:root {
  --ink: #030b11;
  --ink-2: #06131d;
  --ink-3: #0a1b28;
  --ink-soft: #102736;
  --paper: #eef0ed;
  --paper-2: #f5f6f3;
  --white: #f4f8fa;
  --text: #e8f0f4;
  --muted: #8fa3ae;
  --dark-text: #111417;
  --dark-muted: #626c73;
  --dark-line: rgba(7, 18, 26, .14);
  --line: rgba(147, 202, 226, .16);
  --line-strong: rgba(108, 216, 255, .34);
  --cyan: #58dbff;
  --blue: #2587ff;
  --electric: #5b6cff;
  --amber: #ffb557;
  --green: #64e4b2;
  --font-sans: Inter, "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Consolas, "Liberation Mono", monospace;
  --shell: 1260px;
  --header-height: 72px;
  --hero-type: clamp(52px, 4.75vw, 82px);
  --section-type: clamp(46px, 5vw, 78px);
}
* {
  box-sizing: border-box;
}

html {
  background: var(--ink);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

body.menu-open .site-header {
  background: #030b11;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

::selection {
  background: var(--cyan);
  color: var(--ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform .2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  position: relative;
  z-index: 3;
  width: min(var(--shell), calc(100% - 64px));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: rgba(7, 9, 11, .78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background .2s ease, border-color .2s ease;
}

.site-header.is-scrolled {
  background: rgba(7, 9, 11, .94);
  border-color: rgba(255, 255, 255, .14);
}

.header-inner {
  width: min(1400px, calc(100% - 48px));
  height: 100%;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

/* Approved Xiangxin mark. Keep its optical size and crop unchanged. */
.brand-mark {
  width: 52px;
  height: 40px;
  flex: 0 0 auto;
  background: url("/assets/favicon.png?v=brand-ai-6") center / 113% auto no-repeat;
}

.brand-name {
  color: var(--white);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .12em;
}

.brand-name span {
  color: var(--cyan);
}

/* Approved TEULAB lockup. */
.brand-symbol {
  display: block;
  width: 52px;
  height: 40px;
  flex: 0 0 auto;
  background: url("/assets/favicon.png?v=x-logo-1") center / 113% auto no-repeat;
}

.brand-wordmark {
  display: block;
  width: 250px;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 2.5vw, 36px);
  margin-left: auto;
}

.desktop-nav a,
.language-button {
  color: #aab2ba;
  font-size: 13px;
  font-weight: 620;
  letter-spacing: .02em;
  transition: color .2s ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.language-button:hover,
.language-button:focus-visible {
  color: var(--white);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.language-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 38px;
  border: 0;
  background: transparent;
  cursor: pointer;
  line-height: 1;
}

.header-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 17px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 999px;
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  transition: border-color .2s ease, background .2s ease;
}

.header-main-site {
  position: relative;
  isolation: isolate;
  gap: 9px;
  min-width: 132px;
  overflow: hidden;
  border-color: rgba(74, 205, 255, .38);
  background:
    linear-gradient(105deg, rgba(29, 105, 255, .16), rgba(24, 220, 255, .07)),
    rgba(5, 16, 27, .72);
  box-shadow:
    inset 0 0 0 1px rgba(105, 222, 255, .04),
    0 0 26px rgba(25, 151, 255, .08);
  backdrop-filter: blur(12px);
}

.header-main-site::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -1px auto -1px -42%;
  width: 34%;
  background: linear-gradient(90deg, transparent, rgba(118, 230, 255, .22), transparent);
  transform: skewX(-18deg);
  animation: main-site-scan 4.8s ease-in-out infinite;
}

.main-site-orbit {
  position: relative;
  width: 9px;
  height: 9px;
  border: 1px solid rgba(103, 223, 255, .76);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(49, 200, 255, .45);
}

.main-site-orbit::after {
  content: "";
  position: absolute;
  width: 3px;
  height: 3px;
  top: 2px;
  left: 2px;
  border-radius: 50%;
  background: var(--cyan);
}

.main-site-arrow {
  color: var(--cyan);
  font-size: 15px;
  transition: transform .2s ease;
}

.header-contact:hover,
.header-contact:focus-visible {
  border-color: rgba(255, 255, 255, .48);
  background: rgba(255, 255, 255, .06);
}

.header-main-site:hover,
.header-main-site:focus-visible {
  border-color: rgba(112, 226, 255, .74);
  background:
    linear-gradient(105deg, rgba(29, 105, 255, .27), rgba(24, 220, 255, .12)),
    rgba(5, 16, 27, .82);
  box-shadow: 0 0 30px rgba(33, 168, 255, .16);
}

.header-main-site:hover .main-site-arrow,
.header-main-site:focus-visible .main-site-arrow {
  transform: translate(2px, -2px);
}

@keyframes main-site-scan {
  0%, 48% { transform: translateX(0) skewX(-18deg); }
  72%, 100% { transform: translateX(540%) skewX(-18deg); }
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 12px 10px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button > span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 1px;
  margin-block: 6px;
  background: var(--white);
  transition: transform .2s ease;
}

.menu-button[aria-expanded="true"] > span:nth-last-child(2) {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-button[aria-expanded="true"] > span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.mobile-nav {
  position: absolute;
  z-index: 99;
  top: 100%;
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  height: calc(100dvh - var(--header-height));
  padding: 24px 32px max(32px, env(safe-area-inset-bottom));
  overflow-y: auto;
  overscroll-behavior: contain;
  border-top: 1px solid rgba(86, 223, 255, .12);
  background: linear-gradient(180deg, #06131d 0%, #030b11 100%);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding-inline: 4px;
  border-bottom: 1px solid var(--line);
  color: var(--white);
  font-size: 20px;
}

.mobile-nav a::after {
  content: "↘";
  color: var(--cyan);
}

.mobile-nav .mobile-main-site::after {
  content: "↗";
}

.hero {
  --hero-shift-x: 0px;
  --hero-shift-y: 0px;
  position: relative;
  min-height: 720px;
  padding: calc(var(--header-height) + 36px) 0 43px;
  overflow: hidden;
  isolation: isolate;
  background: #03101a;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 9, 15, .97) 0%, rgba(3, 13, 22, .88) 35%, rgba(3, 16, 25, .46) 66%, rgba(3, 12, 19, .72) 100%),
    linear-gradient(180deg, rgba(2, 8, 13, .22), rgba(2, 8, 13, .16) 48%, #030b11 100%);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: 0;
  height: 132px;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(84, 199, 240, .08) 0 1px, transparent 1px 48px),
    linear-gradient(180deg, transparent, rgba(2, 8, 13, .86));
  clip-path: polygon(0 38%, 100% 0, 100% 100%, 0 100%);
}

.hero-port-photo,
.hero-video,
.hero-video-shade,
.hero-grid,
.hero-glow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-port-photo {
  z-index: 0;
  object-fit: cover;
  object-position: 56% center;
  filter: saturate(.72) contrast(1.08) brightness(.72);
  transform: scale(1.03);
  animation: hero-photo-drift 22s ease-in-out infinite alternate;
  transition: opacity .8s ease;
}

.hero.has-video .hero-port-photo {
  opacity: 0;
}

.hero-video {
  z-index: 1;
  left: 0;
  width: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .72;
  filter: hue-rotate(2deg) saturate(.92) contrast(1.12) brightness(.76);
  mix-blend-mode: normal;
}

.hero-video-shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(2, 9, 15, .92) 0%, rgba(2, 10, 17, .72) 32%, rgba(3, 14, 22, .3) 58%, rgba(3, 15, 23, .08) 78%, transparent 100%),
    radial-gradient(circle at 77% 47%, rgba(46, 159, 255, .16), transparent 30%);
}

.hero-grid {
  z-index: 2;
  opacity: .34;
  background-image:
    linear-gradient(rgba(115, 203, 236, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(115, 203, 236, .09) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent 3%, #000 52%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 3%, #000 52%, #000 100%);
}

.hero-glow-a {
  z-index: 2;
  background: radial-gradient(circle at 71% 46%, rgba(39, 145, 255, .19), transparent 22%);
}

.hero-glow-b {
  z-index: 2;
  background: radial-gradient(circle at 92% 66%, rgba(59, 229, 255, .12), transparent 26%);
}

.hero-route-field {
  position: absolute;
  z-index: 3;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: .62;
}

.hero-route {
  position: absolute;
  display: block;
  height: 1px;
  transform-origin: left center;
  background: linear-gradient(90deg, transparent, rgba(88, 219, 255, .4) 24%, rgba(88, 219, 255, .08) 78%, transparent);
  filter: drop-shadow(0 0 5px rgba(88, 219, 255, .22));
}

.hero-route::after {
  content: "";
  position: absolute;
  top: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d7f7ff;
  box-shadow: 0 0 16px rgba(88, 219, 255, .9);
  animation: hero-route-packet 7s linear infinite;
}

.route-a {
  left: 3%;
  top: 77%;
  width: 47%;
  transform: rotate(-6deg);
}

.route-b {
  right: -4%;
  top: 24%;
  width: 42%;
  transform: rotate(12deg);
}

.route-b::after {
  animation-delay: -3.5s;
}

.hero-route-point {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid rgba(115, 226, 255, .74);
  background: rgba(2, 13, 21, .9);
  box-shadow: 0 0 0 8px rgba(88, 219, 255, .035), 0 0 20px rgba(88, 219, 255, .28);
  animation: route-point-breathe 3.8s ease-in-out infinite;
}

.point-a { left: 7%; top: 74%; }
.point-b { right: 44%; top: 32%; animation-delay: -1.2s; }
.point-c { right: 7%; top: 66%; animation-delay: -2.4s; }

.hero-video-control {
  position: absolute;
  z-index: 8;
  right: 28px;
  bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(95, 213, 255, .28);
  border-radius: 999px;
  color: rgba(230, 247, 255, .9);
  background: rgba(3, 17, 27, .76);
  backdrop-filter: blur(12px);
  font: 600 12px/1 var(--font-sans);
  cursor: pointer;
}

.hero-video-control[hidden] {
  display: none;
}

.hero-layout {
  min-height: 590px;
  display: grid;
  grid-template-columns: minmax(430px, .94fr) minmax(560px, 1.06fr);
  align-items: center;
  gap: clamp(30px, 3.5vw, 54px);
}

.hero-copy {
  position: relative;
  z-index: 5;
  padding-top: 0;
  transform: translateY(-28px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 28px;
  margin-bottom: 34px;
  color: #edf8fc;
  font: 700 13px/1 var(--font-sans);
  letter-spacing: .08em;
}

.pulse-dot {
  position: relative;
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 14px rgba(100, 228, 178, .58);
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid rgba(100, 228, 178, .36);
  border-radius: inherit;
  animation: eyebrow-pulse 2.8s ease-out infinite;
}

.hero-brand-label,
.hero-brand-context {
  white-space: nowrap;
}

.eyebrow-divider {
  width: 1px;
  height: 16px;
  background: rgba(176, 218, 234, .28);
}

.eyebrow-state {
  color: var(--cyan);
  font: 700 11px/1 var(--font-mono);
  letter-spacing: .16em;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  color: var(--white);
  font-size: var(--hero-type);
  font-weight: 780;
  line-height: .99;
  letter-spacing: -.055em;
}

.hero h1 > span {
  display: block;
}

.hero h1 .title-accent {
  margin-top: .1em;
  font-size: 1em;
  color: transparent;
  background: linear-gradient(108deg, #f4fbff 3%, #71dfff 53%, #4b8eff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  text-shadow: 0 0 48px rgba(49, 150, 255, .14);
}

.hero-subtitle {
  max-width: 650px;
  margin: 26px 0 0;
  color: #edf7fb;
  font-size: clamp(19px, 1.45vw, 24px);
  font-weight: 620;
  line-height: 1.48;
  letter-spacing: -.025em;
}

.hero-lead {
  max-width: 650px;
  margin: 16px 0 0;
  color: #aebfc8;
  font-size: clamp(14px, 1vw, 16px);
  line-height: 1.72;
}

html[data-lang="en"] .hero h1 {
  font-size: clamp(44px, 3.8vw, 64px);
  line-height: 1.02;
  letter-spacing: -.045em;
}

.agent-window {
  position: relative;
  z-index: 5;
  width: 100%;
  height: min(560px, 54vw);
  max-height: 560px;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid rgba(114, 211, 245, .3);
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 50%, rgba(28, 114, 169, .23), transparent 40%),
    linear-gradient(145deg, rgba(9, 32, 47, .76), rgba(3, 13, 21, .66));
  box-shadow:
    inset 0 0 0 1px rgba(159, 226, 255, .04),
    inset 0 0 0 12px rgba(4, 20, 30, .08),
    inset 0 0 90px rgba(8, 55, 83, .22),
    0 44px 100px rgba(0, 0, 0, .38);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
}

.agent-window[data-reveal] {
  transform: translate3d(var(--hero-shift-x), var(--hero-shift-y), 0);
}

.agent-window[data-reveal].is-revealed {
  transform: translate3d(var(--hero-shift-x), var(--hero-shift-y), 0);
  transition: opacity .75s ease, transform .34s cubic-bezier(.2, .7, .2, 1);
}

.agent-window::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 49.85%, rgba(97, 220, 255, .1) 50%, transparent 50.15%),
    linear-gradient(transparent 49.85%, rgba(97, 220, 255, .1) 50%, transparent 50.15%);
}

.agent-window::after {
  content: "";
  position: absolute;
  z-index: 4;
  left: 0;
  right: 0;
  top: -12%;
  height: 18%;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(74, 203, 255, .11), transparent);
  animation: graph-scan 5.4s linear infinite;
}

.context-graph {
  position: absolute;
  inset: 0;
}

.context-graph {
  background-image:
    linear-gradient(rgba(103, 195, 229, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(103, 195, 229, .055) 1px, transparent 1px);
  background-size: 42px 42px;
}

.context-graph::before {
  content: "";
  position: absolute;
  z-index: 5;
  inset: 15px;
  pointer-events: none;
  opacity: .58;
  background:
    linear-gradient(90deg, rgba(88, 219, 255, .72), rgba(88, 219, 255, .72)) left top / 38px 1px no-repeat,
    linear-gradient(180deg, rgba(88, 219, 255, .72), rgba(88, 219, 255, .72)) left top / 1px 38px no-repeat,
    linear-gradient(90deg, rgba(88, 219, 255, .42), rgba(88, 219, 255, .42)) right top / 38px 1px no-repeat,
    linear-gradient(180deg, rgba(88, 219, 255, .42), rgba(88, 219, 255, .42)) right top / 1px 38px no-repeat,
    linear-gradient(90deg, rgba(88, 219, 255, .34), rgba(88, 219, 255, .34)) left bottom / 38px 1px no-repeat,
    linear-gradient(180deg, rgba(88, 219, 255, .34), rgba(88, 219, 255, .34)) left bottom / 1px 38px no-repeat,
    linear-gradient(90deg, rgba(255, 181, 87, .48), rgba(255, 181, 87, .48)) right bottom / 38px 1px no-repeat,
    linear-gradient(180deg, rgba(255, 181, 87, .48), rgba(255, 181, 87, .48)) right bottom / 1px 38px no-repeat;
}

.graph-network {
  position: absolute;
  inset: 0;
}

.graph-network::before,
.graph-network::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.graph-yard {
  position: absolute;
  z-index: 1;
  left: 19%;
  right: 19%;
  bottom: 2%;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 5px;
  opacity: .34;
  transform: perspective(360px) rotateX(63deg);
  transform-origin: bottom;
  mask-image: linear-gradient(180deg, transparent, #000 34%);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 34%);
}

.graph-yard i {
  display: block;
  height: 25px;
  border: 1px solid rgba(87, 211, 251, .32);
  background:
    repeating-linear-gradient(90deg, transparent 0 6px, rgba(92, 212, 251, .16) 6px 7px),
    rgba(7, 42, 61, .28);
  animation: yard-pulse 5.2s ease-in-out infinite;
}

.graph-yard i:nth-child(3n + 2) { animation-delay: -1.7s; }
.graph-yard i:nth-child(3n) { animation-delay: -3.4s; }

.graph-network::before {
  inset: 10%;
  border: 1px solid rgba(89, 198, 238, .08);
  border-radius: 50%;
  transform: scaleX(.92);
}

.graph-network::after {
  left: 8%;
  right: 8%;
  bottom: 8%;
  height: 22%;
  opacity: .28;
  background: repeating-linear-gradient(90deg, rgba(81, 203, 244, .26) 0 1px, transparent 1px 24px);
  transform: perspective(320px) rotateX(56deg);
  transform-origin: bottom;
  mask-image: linear-gradient(180deg, transparent, #000);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000);
}

.graph-radar {
  position: absolute;
  z-index: 0;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(87, 213, 255, .16);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: radar-breathe 4.8s ease-in-out infinite;
}

.radar-a {
  width: 270px;
  height: 270px;
}

.radar-b {
  width: 390px;
  height: 390px;
  border-color: rgba(75, 134, 255, .11);
  animation-delay: -2.4s;
}

.graph-orbit-marker {
  position: absolute;
  z-index: 3;
  width: 8px;
  height: 8px;
  border: 1px solid rgba(111, 225, 255, .88);
  background: #06131d;
  box-shadow: 0 0 16px rgba(63, 206, 255, .62);
}

.marker-a {
  left: 17%;
  top: 20%;
  animation: marker-float 6s ease-in-out infinite;
}

.marker-b {
  right: 12%;
  bottom: 18%;
  animation: marker-float 6s ease-in-out -3s infinite;
}

.context-node {
  position: absolute;
  z-index: 4;
  width: 90px;
  height: 90px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 13px;
  border: 1px solid rgba(88, 205, 244, .3);
  background: rgba(4, 20, 31, .86);
  box-shadow: inset 0 0 34px rgba(21, 99, 139, .12), 0 18px 44px rgba(0, 0, 0, .28);
  opacity: 0;
  transform: translate(-50%, -50%) scale(.86);
  transition: opacity .42s ease, transform .42s cubic-bezier(.2, .7, .2, 1), border-color .35s ease, box-shadow .35s ease;
}

.context-node::before,
.context-node::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  pointer-events: none;
}

.context-node::before {
  left: 8px;
  top: 8px;
  border-left: 1px solid var(--cyan);
  border-top: 1px solid var(--cyan);
}

.context-node::after {
  right: 8px;
  bottom: 8px;
  border-right: 1px solid rgba(88, 219, 255, .72);
  border-bottom: 1px solid rgba(88, 219, 255, .72);
}

.context-node.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.context-node strong {
  color: #dceaf0;
  font: 700 11px/1 var(--font-mono);
  letter-spacing: .13em;
}

.node-agent {
  left: 50%;
  top: 50%;
  width: 132px;
  height: 132px;
  border-color: rgba(88, 219, 255, .72);
  background:
    radial-gradient(circle at 50% 40%, rgba(47, 134, 255, .32), transparent 58%),
    rgba(5, 28, 43, .94);
  box-shadow:
    inset 0 0 48px rgba(24, 131, 189, .26),
    0 0 0 1px rgba(71, 201, 255, .12),
    0 0 54px rgba(39, 138, 255, .28),
    0 26px 60px rgba(0, 0, 0, .32);
}

.node-agent strong {
  color: #f2fbff;
  font-size: 12px;
}

.node-wordmark {
  display: block;
  width: 126px;
  max-width: calc(100% - 22px);
  height: auto;
  object-fit: contain;
}

.node-container {
  left: 14%;
  top: 50%;
}

.node-port {
  left: 86%;
  top: 50%;
}

.node-approval {
  left: 50%;
  top: 18%;
  border-color: rgba(255, 181, 87, .44);
}

.node-order {
  left: 50%;
  top: 80%;
}

.node-symbol {
  position: relative;
  display: block;
  width: 46px;
  height: 34px;
  color: var(--cyan);
}

.symbol-agent {
  width: 72px;
  height: 56px;
  background: url("/assets/favicon.png?v=brand-ai-6") center / 113% auto no-repeat;
  filter: drop-shadow(0 0 14px rgba(28, 136, 255, .56));
}

.symbol-agent::before {
  content: "";
  position: absolute;
  inset: -13px;
  border: 1px solid rgba(88, 219, 255, .24);
  border-radius: 50%;
  animation: agent-orbit 12s linear infinite;
}

.symbol-agent::after {
  content: "";
  position: absolute;
  top: -16px;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(88, 219, 255, .88);
  transform: translateX(-50%);
}

.symbol-layer,
.symbol-layer::before,
.symbol-layer::after {
  position: absolute;
  display: block;
  box-sizing: border-box;
  pointer-events: none;
}

/* ISO container: structural frame, corrugated side and corner castings. */
.symbol-container {
  width: 52px;
  height: 34px;
  border: 1.5px solid currentColor;
  border-radius: 1px;
  background: rgba(8, 39, 56, .34);
  box-shadow: inset 0 0 14px rgba(88, 219, 255, .06), 0 0 16px rgba(88, 219, 255, .12);
}

.symbol-container::before {
  content: "";
  position: absolute;
  z-index: 3;
  left: -2px;
  top: -2px;
  width: 5px;
  height: 5px;
  border: 1px solid currentColor;
  background: #061824;
  box-shadow:
    49px 0 0 -1px #061824, 49px 0 0 0 currentColor,
    0 31px 0 -1px #061824, 0 31px 0 0 currentColor,
    49px 31px 0 -1px #061824, 49px 31px 0 0 currentColor;
}

.symbol-container::after {
  content: "";
  position: absolute;
  z-index: 2;
  right: 10px;
  top: 3px;
  width: 1px;
  height: 27px;
  background: currentColor;
  opacity: .72;
  box-shadow: 5px 0 0 rgba(88, 219, 255, .36);
}

.symbol-container .symbol-layer-a {
  inset: 3px 17px 3px 3px;
  background: repeating-linear-gradient(90deg, rgba(88, 219, 255, .66) 0 1px, transparent 1px 5px);
  opacity: .78;
}

.symbol-container .symbol-layer-b {
  right: 2px;
  top: 12px;
  width: 6px;
  height: 9px;
  border: 1px solid currentColor;
  background: rgba(88, 219, 255, .1);
}

/* Container terminal: quay crane, trolley cable and stacked containers. */
.symbol-port {
  width: 56px;
  height: 42px;
}

.symbol-port::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 3px 6px 7px 5px;
  background:
    linear-gradient(currentColor, currentColor) 2px 1px / 39px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) 4px 1px / 1.5px 29px no-repeat,
    linear-gradient(currentColor, currentColor) 34px 1px / 1.5px 29px no-repeat,
    linear-gradient(36deg, transparent 47%, currentColor 48% 52%, transparent 53%) 5px 4px / 29px 24px no-repeat;
  opacity: .9;
}

.symbol-port::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 1px;
  bottom: 2px;
  height: 5px;
  border-top: 1.5px solid currentColor;
  border-bottom: 1px solid rgba(88, 219, 255, .34);
  background: linear-gradient(90deg, transparent, rgba(88, 219, 255, .28) 20%, rgba(88, 219, 255, .28) 80%, transparent);
}

.symbol-port .symbol-layer-a {
  z-index: 3;
  left: 39px;
  top: 5px;
  width: 17px;
  height: 1.5px;
  background: currentColor;
  transform: rotate(-20deg);
  transform-origin: left center;
}

.symbol-port .symbol-layer-a::before {
  content: "";
  left: 4px;
  top: 0;
  width: 1px;
  height: 16px;
  background: currentColor;
  transform: rotate(20deg);
  transform-origin: top;
}

.symbol-port .symbol-layer-a::after {
  content: "";
  left: 1px;
  top: 14px;
  width: 7px;
  height: 3px;
  border: 1px solid currentColor;
  background: #061824;
  transform: rotate(20deg);
}

.symbol-port .symbol-layer-b {
  z-index: 3;
  left: 14px;
  bottom: 7px;
  width: 29px;
  height: 13px;
  border: 1px solid currentColor;
  background:
    linear-gradient(currentColor, currentColor) center / 1px 100% no-repeat,
    linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, transparent 0 7px, rgba(88, 219, 255, .34) 7px 8px);
}

/* Digital order: structured fields, state rail and machine-readable identity. */
.symbol-order {
  width: 44px;
  height: 44px;
  border: 0;
  background: none;
}

.symbol-order::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: 7px;
  top: 2px;
  width: 31px;
  height: 39px;
  border: 1.5px solid currentColor;
  background: rgba(8, 39, 56, .28);
  box-shadow: -4px 4px 0 -3px #061824, -4px 4px 0 -2px rgba(88, 219, 255, .38);
}

.symbol-order::after {
  content: "";
  position: absolute;
  z-index: 3;
  left: 13px;
  top: 11px;
  width: 17px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 8px 0 rgba(88, 219, 255, .72), 0 16px 0 currentColor;
}

.symbol-order .symbol-layer-a {
  z-index: 4;
  right: 2px;
  top: 8px;
  width: 9px;
  height: 9px;
  border: 1px solid currentColor;
  background: #061824;
  box-shadow: 0 0 10px rgba(88, 219, 255, .22);
}

.symbol-order .symbol-layer-a::after {
  content: "";
  left: 3px;
  top: 3px;
  width: 2px;
  height: 2px;
  background: currentColor;
}

.symbol-order .symbol-layer-b {
  z-index: 4;
  left: 11px;
  bottom: 7px;
  width: 19px;
  height: 3px;
  background: repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 3px);
  opacity: .62;
}

/* Approval: governed decision node with an explicit, optically centred check. */
.symbol-approval {
  width: 46px;
  height: 42px;
  color: var(--amber);
  font-size: 0;
  transform: none;
  background: none;
  box-shadow: none;
}

.symbol-approval::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: 11px;
  top: 6px;
  width: 25px;
  height: 25px;
  border: 1.5px solid currentColor;
  background: rgba(255, 181, 87, .045);
  box-shadow: 0 0 18px rgba(255, 181, 87, .13);
  transform: rotate(45deg);
}

.symbol-approval::after {
  content: "✓";
  position: absolute;
  z-index: 4;
  inset: 0;
  display: grid;
  place-items: center;
  color: currentColor;
  font: 800 19px/1 var(--font-mono);
  filter: drop-shadow(0 0 5px rgba(255, 181, 87, .45));
  transform: translateY(-1px);
}

.symbol-approval .symbol-layer-a {
  z-index: 1;
  left: 5px;
  top: 0;
  width: 37px;
  height: 37px;
  border: 1px solid rgba(255, 181, 87, .18);
  border-radius: 50%;
}

.symbol-approval .symbol-layer-b {
  z-index: 1;
  left: 0;
  top: 18px;
  width: 46px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 181, 87, .56) 20%, rgba(255, 181, 87, .56) 80%, transparent);
}

.symbol-approval .symbol-layer-b::before,
.symbol-approval .symbol-layer-b::after {
  content: "";
  top: -2px;
  width: 5px;
  height: 5px;
  border: 1px solid currentColor;
  background: #061824;
}

.symbol-approval .symbol-layer-b::before { left: 0; }
.symbol-approval .symbol-layer-b::after { right: 0; }

.context-link {
  position: absolute;
  z-index: 2;
  display: block;
  opacity: 0;
  overflow: visible;
  background: linear-gradient(90deg, rgba(88, 219, 255, .12), rgba(88, 219, 255, .82), rgba(88, 219, 255, .12));
  box-shadow: 0 0 12px rgba(88, 219, 255, .12);
  transition: opacity .45s ease;
}

.context-link.is-visible {
  opacity: 1;
}

.link-container,
.link-port {
  top: 50%;
  height: 1px;
}

.link-container {
  left: 21%;
  right: 50%;
}

.link-port {
  left: 50%;
  right: 21%;
}

.link-approval,
.link-order {
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, rgba(88, 219, 255, .1), rgba(88, 219, 255, .8), rgba(88, 219, 255, .1));
}

.link-approval {
  top: 28%;
  bottom: 50%;
}

.link-order {
  top: 50%;
  bottom: 30%;
}

.link-packet {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d9f7ff;
  box-shadow: 0 0 16px rgba(88, 219, 255, .92);
}

.link-container .link-packet,
.link-port .link-packet {
  top: -3.5px;
  left: 0;
  animation: packet-horizontal 2.6s linear infinite;
}

.link-port .link-packet {
  animation-delay: -1.3s;
}

.link-approval .link-packet,
.link-order .link-packet {
  left: -3.5px;
  top: 0;
  animation: packet-vertical 2.8s linear infinite;
}

.link-order .link-packet {
  animation-delay: -1.4s;
}

.agent-window.is-online .node-agent {
  animation: core-breathe 4s ease-in-out infinite;
}

.step-symbol-semantics {
  border: 1px solid rgba(88, 219, 255, .5);
  background:
    radial-gradient(circle at 24px 20px, currentColor 0 3px, transparent 4px),
    radial-gradient(circle at 24px 33px, currentColor 0 3px, transparent 4px),
    radial-gradient(circle at 24px 46px, currentColor 0 3px, transparent 4px),
    linear-gradient(currentColor, currentColor) 32px 20px / 20px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 32px 33px / 16px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 32px 46px / 23px 1px no-repeat;
}

.step-symbol-context::before,
.step-symbol-context::after {
  content: "";
  position: absolute;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.step-symbol-context::before {
  inset: 14px;
  box-shadow: -24px 14px 0 -6px #061a28, -24px 14px 0 -5px currentColor, 24px -14px 0 -6px #061a28, 24px -14px 0 -5px currentColor;
}

.step-symbol-context::after {
  left: 11px;
  right: 11px;
  top: 32px;
  height: 1px;
  border: 0;
  border-top: 1px solid currentColor;
  transform: rotate(-28deg);
}

.step-symbol-boundary {
  border-left: 1px solid currentColor;
  border-right: 1px solid currentColor;
  background:
    linear-gradient(currentColor, currentColor) 50% 10px / 1px 46px no-repeat,
    radial-gradient(circle at 50% 50%, currentColor 0 4px, transparent 5px);
}

.runtime-steps h3,
.principle-grid h3 {
  position: relative;
  z-index: 2;
  margin: 0;
  color: var(--white);
  font-size: 22px;
  font-weight: 710;
  letter-spacing: -.025em;
}

.runtime-steps p,
.principle-grid p {
  position: relative;
  z-index: 2;
  margin: 9px 0 0;
  color: #92a6b0;
  font-size: 15px;
  line-height: 1.7;
}

.principle-grid {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.principle-grid::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 5%;
  right: 5%;
  top: 82px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(88, 219, 255, .24) 8%, rgba(88, 219, 255, .24) 92%, transparent);
}

.principle-grid::after {
  content: "";
  position: absolute;
  z-index: 1;
  top: 78px;
  left: 4%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #dff9ff;
  box-shadow: 0 0 18px rgba(88, 219, 255, .86);
  animation: principle-route 9s linear infinite;
}

.principle-grid article {
  --principle-color: var(--cyan);
  position: relative;
  z-index: 2;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  padding: 26px 26px 28px;
  overflow: hidden;
  border: 1px solid rgba(146, 199, 220, .16);
  background:
    radial-gradient(circle at 21% 20%, color-mix(in srgb, var(--principle-color) 10%, transparent), transparent 30%),
    linear-gradient(rgba(101, 196, 229, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(101, 196, 229, .035) 1px, transparent 1px),
    linear-gradient(150deg, rgba(11, 28, 40, .92), rgba(5, 14, 21, .8));
  background-size: auto, 28px 28px, 28px 28px, auto;
  box-shadow: 0 28px 62px rgba(0, 0, 0, .22);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform .35s ease, border-color .35s ease, background-color .35s ease;
}

.principle-grid article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--principle-color), transparent 78%);
}

.principle-grid article::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 22px;
  height: 22px;
  border-right: 1px solid color-mix(in srgb, var(--principle-color) 56%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--principle-color) 56%, transparent);
}

.principle-grid article:nth-child(2) { --principle-color: #6fa7ff; }
.principle-grid article:nth-child(3) { --principle-color: var(--amber); }
.principle-grid article:nth-child(4) { --principle-color: var(--green); }

.principle-grid article.is-revealed:nth-child(even) {
  transform: translateY(22px);
}

.principle-grid article.is-revealed:nth-child(odd):hover {
  transform: translateY(-7px);
  border-color: rgba(123, 213, 247, .38);
}

.principle-grid article.is-revealed:nth-child(even):hover {
  transform: translateY(15px);
  border-color: rgba(123, 213, 247, .38);
}

.principle-index {
  position: absolute;
  z-index: 3;
  top: 19px;
  right: 20px;
  color: color-mix(in srgb, var(--principle-color) 84%, white 16%);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: .16em;
}

.principle-visual {
  position: relative;
  z-index: 2;
  width: 108px;
  height: 96px;
  display: grid;
  place-items: center;
  margin-bottom: 44px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--principle-color) 35%, transparent);
  color: var(--principle-color);
  background:
    linear-gradient(rgba(109, 218, 255, .065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109, 218, 255, .065) 1px, transparent 1px),
    linear-gradient(145deg, rgba(7, 34, 49, .68), rgba(4, 18, 27, .48));
  background-size: 16px 16px, 16px 16px, auto;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.principle-visual::before,
.principle-visual::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.principle-visual::before {
  inset: 9px;
  border-left: 1px solid color-mix(in srgb, var(--principle-color) 30%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--principle-color) 20%, transparent);
}

.principle-visual::after {
  width: 52px;
  height: 52px;
  border: 1px solid color-mix(in srgb, var(--principle-color) 18%, transparent);
  border-radius: 50%;
  box-shadow: 0 0 28px color-mix(in srgb, var(--principle-color) 10%, transparent);
}

.principle-visual b {
  position: absolute;
  z-index: 3;
  left: 17px;
  top: 45px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 12px currentColor;
  animation: instrument-pulse 3.6s ease-in-out infinite;
}

.principle-symbol {
  position: relative;
  z-index: 2;
  display: block;
  color: inherit;
}

.principle-copy {
  position: relative;
  z-index: 2;
  margin-top: auto;
}

.principle-symbol-source {
  width: 42px;
  height: 51px;
  border: 1px solid currentColor;
  border-radius: 2px;
  background:
    linear-gradient(currentColor, currentColor) 10px 14px / 21px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 10px 22px / 16px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 10px 30px / 20px 1px no-repeat;
  box-shadow: 0 0 18px color-mix(in srgb, currentColor 12%, transparent);
}

.principle-symbol-source::before,
.principle-symbol-source::after {
  content: "";
  position: absolute;
}

.principle-symbol-source::before {
  inset: 6px -7px -7px 6px;
  z-index: -1;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  opacity: .34;
}

.principle-symbol-source::after {
  left: -8px;
  top: 19px;
  width: 13px;
  height: 13px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: radial-gradient(circle, currentColor 0 2px, transparent 3px);
  box-shadow: 0 0 14px color-mix(in srgb, currentColor 44%, transparent);
}

.principle-symbol-access {
  width: 58px;
  height: 54px;
  background: linear-gradient(currentColor, currentColor) center / 1px 100% no-repeat;
}

.principle-symbol-access::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid currentColor;
  clip-path: polygon(18% 0, 82% 0, 100% 28%, 100% 72%, 82% 100%, 18% 100%, 0 72%, 0 28%);
}

.principle-symbol-access::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 17px;
  width: 18px;
  height: 18px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: radial-gradient(circle, currentColor 0 2px, transparent 3px);
  box-shadow: 0 0 0 7px color-mix(in srgb, currentColor 7%, transparent), 0 0 16px color-mix(in srgb, currentColor 28%, transparent);
}

.principle-symbol-human {
  width: 62px;
  height: 49px;
  border: 1px solid currentColor;
  border-radius: 2px;
  background:
    radial-gradient(circle at 17px 15px, transparent 0 6px, currentColor 6px 7px, transparent 8px),
    radial-gradient(ellipse at 17px 38px, transparent 0 11px, currentColor 11px 12px, transparent 13px),
    linear-gradient(currentColor, currentColor) 39px 14px / 13px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 39px 21px / 10px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 39px 28px / 14px 1px no-repeat;
}

.principle-symbol-human::before {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -6px;
  width: 15px;
  height: 15px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: #071924;
  box-shadow: 0 0 12px color-mix(in srgb, currentColor 36%, transparent);
}

.principle-symbol-human::after {
  content: "✓";
  position: absolute;
  right: -3px;
  bottom: -4px;
  color: currentColor;
  font: 800 9px/1 var(--font-mono);
}

.principle-symbol-trace {
  width: 64px;
  height: 52px;
  background:
    linear-gradient(156deg, transparent 49%, currentColor 50%, transparent 51%) 4px 20px / 24px 22px no-repeat,
    linear-gradient(23deg, transparent 49%, currentColor 50%, transparent 51%) 24px 10px / 23px 25px no-repeat,
    linear-gradient(151deg, transparent 49%, currentColor 50%, transparent 51%) 43px 4px / 17px 18px no-repeat;
}

.principle-symbol-trace::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 5px 40px, #071924 0 3px, currentColor 4px 5px, transparent 6px),
    radial-gradient(circle at 27px 24px, #071924 0 3px, currentColor 4px 5px, transparent 6px),
    radial-gradient(circle at 47px 34px, #071924 0 3px, currentColor 4px 5px, transparent 6px),
    radial-gradient(circle at 60px 9px, currentColor 0 3px, transparent 4px);
  filter: drop-shadow(0 0 8px color-mix(in srgb, currentColor 35%, transparent));
}

.principle-symbol-trace::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 4px;
  width: 8px;
  height: 8px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(20deg);
}

.final-cta {
  position: relative;
  min-height: 520px;
  padding: 132px 0;
  overflow: hidden;
  isolation: isolate;
  background: #06131d;
}

.final-cta::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 18, 28, .96) 0%, rgba(4, 18, 28, .88) 46%, rgba(4, 18, 28, .62) 100%),
    url("/assets/port-dusk.jpg") center 58% / cover no-repeat;
  filter: saturate(.6) brightness(.64);
}

.final-cta::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background:
    radial-gradient(circle at 82% 46%, rgba(36, 144, 255, .2), transparent 28%),
    linear-gradient(180deg, #050b10 0%, transparent 28%, transparent 72%, #030b11 100%);
}

.cta-grid {
  position: absolute;
  z-index: 2;
  inset: 0;
  opacity: .25;
  background-image:
    linear-gradient(rgba(115, 203, 236, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(115, 203, 236, .08) 1px, transparent 1px);
  background-size: 64px 64px;
}

.beta-access-glow {
  position: absolute;
  z-index: 2;
  inset: 0;
  background: radial-gradient(circle at 52% 46%, rgba(31, 144, 255, .14), transparent 28%);
}

.beta-access-watermark {
  position: absolute;
  z-index: 2;
  right: -1vw;
  bottom: -13vw;
  color: rgba(100, 205, 247, .045);
  font-size: min(38vw, 600px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.1em;
}

.beta-access-inner {
  position: relative;
  z-index: 4;
}

.beta-access-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(56px, 9vw, 150px);
  align-items: center;
}

.beta-access-title h2 {
  margin: 0;
  color: var(--white);
  font-size: var(--section-type);
  font-weight: 760;
  line-height: 1;
  letter-spacing: -.055em;
}

.beta-access-copy > p {
  max-width: 600px;
  margin: 0 0 42px;
  color: #b8c9d1;
  font-size: clamp(17px, 1.3vw, 20px);
  line-height: 1.8;
}

.beta-access-email {
  position: relative;
  min-height: 96px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  padding: 0 26px;
  overflow: hidden;
  border-top: 1px solid rgba(111, 214, 250, .4);
  border-bottom: 1px solid rgba(111, 214, 250, .22);
  background: rgba(5, 26, 39, .44);
  transition: background .25s ease, border-color .25s ease;
}

.beta-access-email::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 -30%;
  width: 22%;
  background: linear-gradient(90deg, transparent, rgba(76, 214, 255, .12), transparent);
  transform: skewX(-14deg);
  transition: transform .55s ease;
}

.beta-access-email:hover,
.beta-access-email:focus-visible {
  border-color: rgba(111, 214, 250, .66);
  background: rgba(9, 47, 67, .66);
}

.beta-access-email:hover::before,
.beta-access-email:focus-visible::before {
  transform: translateX(650%) skewX(-14deg);
}

.beta-access-email span {
  color: var(--cyan);
  font: 700 11px/1 var(--font-mono);
  letter-spacing: .13em;
}

.beta-access-email strong {
  color: var(--white);
  font-size: clamp(20px, 2vw, 30px);
  font-weight: 650;
  letter-spacing: -.03em;
}

.beta-access-email i {
  color: var(--cyan);
  font-style: normal;
  font-size: 22px;
}

.site-footer {
  position: relative;
  z-index: 5;
  padding: 64px 0 52px;
  border-top: 1px solid rgba(122, 201, 232, .12);
  background: #02080d;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
}

.footer-brand {
  opacity: .9;
}

.footer-links {
  display: flex;
  gap: 28px;
  color: #9cb0ba;
  font-size: 13px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--white);
}

.copyright {
  grid-column: 1 / -1;
  margin: 30px 0 0;
  color: #627782;
  font-size: 12px;
  line-height: 1.8;
}

[data-reveal] {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@keyframes eyebrow-pulse {
  0% { opacity: .7; transform: scale(.62); }
  70%, 100% { opacity: 0; transform: scale(1.34); }
}

@keyframes ready-pulse {
  0%, 100% { opacity: .56; transform: scale(.78); }
  50% { opacity: 1; transform: scale(1.08); }
}

@keyframes hero-photo-drift {
  from { transform: scale(1.03) translate3d(0, 0, 0); }
  to { transform: scale(1.075) translate3d(-1.2%, -.8%, 0); }
}

@keyframes hero-route-packet {
  from { left: 0; opacity: 0; }
  8%, 88% { opacity: 1; }
  to { left: calc(100% - 7px); opacity: 0; }
}

@keyframes route-point-breathe {
  0%, 100% { opacity: .42; transform: scale(.82); }
  50% { opacity: 1; transform: scale(1.08); }
}

@keyframes graph-scan {
  from { transform: translateY(0); }
  to { transform: translateY(620%); }
}

@keyframes radar-breathe {
  0%, 100% { opacity: .35; transform: translate(-50%, -50%) scale(.94); }
  50% { opacity: .9; transform: translate(-50%, -50%) scale(1.04); }
}

@keyframes marker-float {
  0%, 100% { transform: translateY(0); opacity: .45; }
  50% { transform: translateY(-14px); opacity: 1; }
}

@keyframes yard-pulse {
  0%, 100% { border-color: rgba(87, 211, 251, .18); background-color: rgba(7, 42, 61, .18); }
  50% { border-color: rgba(87, 211, 251, .48); background-color: rgba(12, 76, 105, .38); }
}

@keyframes agent-orbit {
  to { transform: rotate(360deg); }
}

@keyframes packet-horizontal {
  from { left: 0; }
  to { left: calc(100% - 8px); }
}

@keyframes packet-vertical {
  from { top: 0; }
  to { top: calc(100% - 8px); }
}

@keyframes core-breathe {
  0%, 100% { box-shadow: inset 0 0 48px rgba(24, 131, 189, .24), 0 0 0 1px rgba(71, 201, 255, .12), 0 0 42px rgba(39, 138, 255, .2), 0 26px 60px rgba(0, 0, 0, .32); }
  50% { box-shadow: inset 0 0 58px rgba(24, 131, 189, .34), 0 0 0 1px rgba(71, 201, 255, .24), 0 0 72px rgba(39, 138, 255, .34), 0 26px 60px rgba(0, 0, 0, .32); }
}

@keyframes section-scan {
  0%, 12% { transform: translateX(0) skewX(-10deg); opacity: 0; }
  22% { opacity: 1; }
  64%, 100% { transform: translateX(720%) skewX(-10deg); opacity: 0; }
}

@keyframes principle-route {
  from { left: 4%; }
  to { left: calc(96% - 8px); }
}

@keyframes instrument-pulse {
  0%, 100% { opacity: .35; transform: scale(.75); }
  50% { opacity: 1; transform: scale(1.08); }
}

/*
 * Editorial content system
 *
 * The hero keeps the new port-intelligence treatment. The sections below it
 * return to the original light reading surface and restrained page rhythm.
 */
.section {
  position: relative;
  min-height: 0;
  padding: clamp(96px, 8.5vw, 128px) 0 clamp(104px, 9vw, 136px);
  overflow: hidden;
  isolation: isolate;
  color: var(--dark-text);
  background: var(--paper);
}

.section::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  opacity: .72;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(14, 40, 55, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 40, 55, .025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
}

.section-light,
.section-trust {
  color: var(--dark-text);
  background: var(--paper);
}

.section-trust {
  border-top: 1px solid rgba(7, 18, 26, .08);
  background: var(--paper-2);
}

.section-media,
.runtime-media,
.trust-media,
.section-scan {
  display: none;
}

.section-light::before,
.section-trust::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 82% 16%, rgba(37, 135, 255, .075), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, .28), transparent 32%, transparent 72%, rgba(5, 20, 28, .025));
}

.section-trust::before {
  background:
    radial-gradient(circle at 12% 82%, rgba(37, 135, 255, .055), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, .42), transparent 30%, transparent 74%, rgba(5, 20, 28, .025));
}

.section-heading {
  position: relative;
  z-index: 4;
  margin-bottom: clamp(70px, 7vw, 88px);
}

.split-heading {
  display: grid;
  grid-template-columns: fit-content(700px) minmax(320px, 520px);
  gap: clamp(36px, 4vw, 60px);
  justify-content: start;
  align-items: start;
}

.section-heading h2 {
  max-width: 700px;
  margin: 0;
  color: var(--dark-text);
  font-size: clamp(38px, 3.7vw, 56px);
  font-weight: 650;
  line-height: .98;
  letter-spacing: -.055em;
}

.section-title-tail {
  display: inline-block;
  margin-top: .1em;
  color: var(--dark-text);
  background: none;
  -webkit-text-fill-color: currentColor;
}

.heading-copy,
.section-trust .heading-copy {
  position: relative;
  max-width: 520px;
  margin: 0;
  padding: 2px 0 2px 26px;
  border-left: 2px solid var(--blue);
  color: #56616b;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.76;
}

.heading-copy p {
  margin: 0;
}

.section-trust .heading-copy {
  border-color: #d68a25;
}

.runtime-steps {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
  list-style: none;
}

.runtime-steps li {
  position: relative;
  min-height: 246px;
  padding: 24px 26px 30px;
  overflow: hidden;
  border: 0;
  border-right: 1px solid var(--dark-line);
  background: rgba(255, 255, 255, .16);
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: background-color .25s ease;
}

.runtime-steps li:last-child {
  border-right: 0;
}

.runtime-steps li::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  opacity: .7;
  background: linear-gradient(90deg, var(--blue), var(--cyan) 32%, transparent 76%);
  mask-image: none;
  -webkit-mask-image: none;
}

.runtime-steps li::after {
  display: none;
}

.runtime-steps li:hover {
  transform: none;
  border-color: var(--dark-line);
  background: rgba(255, 255, 255, .54);
}

.step-index {
  position: absolute;
  z-index: 2;
  top: 24px;
  left: 26px;
  color: #4f7fa8;
  font: 700 10px/1 var(--font-mono);
  letter-spacing: .17em;
}

.step-symbol {
  position: relative;
  z-index: 2;
  width: 60px;
  height: 60px;
  margin: 58px 0 30px;
  color: #247ef1;
}

.step-symbol-semantics {
  border-color: rgba(36, 126, 241, .42);
}

.step-symbol-context::before {
  box-shadow:
    -22px 13px 0 -6px var(--paper),
    -22px 13px 0 -5px currentColor,
    22px -13px 0 -6px var(--paper),
    22px -13px 0 -5px currentColor;
}

.runtime-steps h3,
.principle-grid h3 {
  color: var(--dark-text);
  font-size: 21px;
  font-weight: 680;
}

.runtime-steps p,
.principle-grid p {
  color: var(--dark-muted);
  font-size: 14px;
  line-height: 1.66;
}

.principle-grid {
  position: relative;
  z-index: 4;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.principle-grid::before {
  left: 4%;
  right: 4%;
  top: 76px;
  background: linear-gradient(90deg, transparent, rgba(37, 126, 241, .2) 8%, rgba(37, 126, 241, .2) 92%, transparent);
}

.principle-grid::after {
  top: 72px;
  background: #247ef1;
  box-shadow: 0 0 16px rgba(37, 126, 241, .38);
}

.principle-grid article {
  min-height: 286px;
  padding: 24px 24px 26px;
  border: 1px solid rgba(16, 42, 56, .12);
  background:
    radial-gradient(circle at 18% 18%, color-mix(in srgb, var(--principle-color) 7%, transparent), transparent 30%),
    linear-gradient(rgba(34, 82, 105, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 82, 105, .025) 1px, transparent 1px),
    rgba(255, 255, 255, .72);
  background-size: auto, 28px 28px, 28px 28px, auto;
  box-shadow: 0 18px 42px rgba(14, 27, 37, .055);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.principle-grid article::after {
  border-color: color-mix(in srgb, var(--principle-color) 42%, transparent);
}

.principle-grid article.is-revealed:nth-child(even) {
  transform: none;
}

.principle-grid article.is-revealed:nth-child(odd):hover,
.principle-grid article.is-revealed:nth-child(even):hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--principle-color) 34%, rgba(16, 42, 56, .12));
  box-shadow: 0 24px 54px rgba(14, 27, 37, .09);
}

.principle-index {
  color: color-mix(in srgb, var(--principle-color) 72%, #27404f 28%);
}

.principle-visual {
  width: 96px;
  height: 86px;
  margin-bottom: 38px;
  border-color: color-mix(in srgb, var(--principle-color) 28%, rgba(16, 42, 56, .12));
  background:
    linear-gradient(rgba(34, 82, 105, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 82, 105, .035) 1px, transparent 1px),
    rgba(255, 255, 255, .74);
  background-size: 16px 16px, 16px 16px, auto;
}

@media not all {
/*
 * Logistics instrument icon system
 *
 * The symbols deliberately use the visual language of container drayage:
 * corrugated boxes, truck chassis, terminal gates and traceable route nodes.
 * They remain CSS-built so the line weight and color stay native to each card.
 */
.step-symbol {
  width: 74px;
  height: 58px;
  margin: 58px 0 28px;
  overflow: visible;
  border: 1px solid rgba(36, 126, 241, .2);
  border-radius: 5px;
  color: #247ef1;
  background:
    linear-gradient(rgba(36, 126, 241, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 126, 241, .045) 1px, transparent 1px),
    linear-gradient(145deg, rgba(255, 255, 255, .68), rgba(231, 242, 250, .34));
  background-size: 12px 12px, 12px 12px, auto;
  box-shadow: 0 10px 26px rgba(26, 70, 105, .07);
}

.step-symbol::before,
.step-symbol::after,
.principle-symbol::before,
.principle-symbol::after {
  box-sizing: border-box;
}

/* Digital container identity */
.step-symbol-semantics {
  border-color: rgba(36, 126, 241, .22);
}

.step-symbol-semantics::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 17px;
  width: 52px;
  height: 29px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  background:
    linear-gradient(90deg, transparent 0 8px, currentColor 8px 9px, transparent 9px 17px, currentColor 17px 18px, transparent 18px 26px, currentColor 26px 27px, transparent 27px 35px, currentColor 35px 36px, transparent 36px),
    linear-gradient(180deg, rgba(36, 126, 241, .06), transparent);
  box-shadow: inset 0 -5px 0 rgba(36, 126, 241, .035), 0 0 16px rgba(36, 126, 241, .09);
}

.step-symbol-semantics::after {
  content: "";
  position: absolute;
  left: 14px;
  top: 11px;
  width: 9px;
  height: 3px;
  border-radius: 2px;
  background: currentColor;
  box-shadow:
    13px 0 0 rgba(36, 126, 241, .4),
    39px 35px 0 -1px currentColor,
    44px 35px 0 -1px currentColor,
    22px 17px 12px 0 rgba(36, 126, 241, .13);
}

/* Drayage truck and route */
.step-symbol-context {
  background:
    radial-gradient(circle at 18px 46px, var(--paper) 0 2px, currentColor 2.5px 4px, transparent 4.5px),
    radial-gradient(circle at 56px 46px, var(--paper) 0 2px, currentColor 2.5px 4px, transparent 4.5px),
    linear-gradient(90deg, rgba(36, 126, 241, .12), rgba(36, 126, 241, .02)) 7px 50px / 58px 1px no-repeat,
    linear-gradient(rgba(36, 126, 241, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 126, 241, .045) 1px, transparent 1px),
    linear-gradient(145deg, rgba(255, 255, 255, .68), rgba(231, 242, 250, .34));
  background-size: auto, auto, auto, 12px 12px, 12px 12px, auto;
}

.step-symbol-context::before {
  content: "";
  position: absolute;
  inset: auto;
  left: 8px;
  top: 17px;
  width: 42px;
  height: 25px;
  border: 1.5px solid currentColor;
  border-radius: 2px 1px 1px 2px;
  background: repeating-linear-gradient(90deg, transparent 0 7px, rgba(36, 126, 241, .52) 7px 8px);
  box-shadow: none;
}

.step-symbol-context::after {
  content: "";
  position: absolute;
  left: 50px;
  top: 25px;
  width: 16px;
  height: 17px;
  border: 1.5px solid currentColor;
  border-left: 0;
  border-radius: 0 3px 2px 0;
  background:
    linear-gradient(135deg, transparent 0 34%, rgba(36, 126, 241, .2) 35% 64%, transparent 65%) 4px 2px / 8px 7px no-repeat,
    rgba(255, 255, 255, .46);
  transform: none;
}

/* Port gate and governed checkpoint */
.step-symbol-boundary {
  border-left: 1px solid rgba(36, 126, 241, .2);
  border-right: 1px solid rgba(36, 126, 241, .2);
  background:
    linear-gradient(currentColor, currentColor) 9px 10px / 56px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) 12px 10px / 1.5px 39px no-repeat,
    linear-gradient(currentColor, currentColor) 61px 10px / 1.5px 39px no-repeat,
    linear-gradient(rgba(36, 126, 241, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 126, 241, .045) 1px, transparent 1px),
    linear-gradient(145deg, rgba(255, 255, 255, .68), rgba(231, 242, 250, .34));
  background-size: auto, auto, auto, 12px 12px, 12px 12px, auto;
}

.step-symbol-boundary::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 25px;
  width: 37px;
  height: 23px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, transparent 0 6px, rgba(36, 126, 241, .48) 6px 7px);
}

.step-symbol-boundary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 7px;
  width: 10px;
  height: 10px;
  border: 1.5px solid #d68a25;
  background: rgba(214, 138, 37, .08);
  box-shadow: 0 0 12px rgba(214, 138, 37, .2);
  transform: rotate(45deg);
}

.principle-visual {
  width: 104px;
  height: 88px;
  border-radius: 4px;
  clip-path: none;
  background:
    linear-gradient(rgba(34, 82, 105, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 82, 105, .035) 1px, transparent 1px),
    linear-gradient(145deg, rgba(255, 255, 255, .86), color-mix(in srgb, var(--principle-color) 4%, #f7fafb));
  background-size: 14px 14px, 14px 14px, auto;
  box-shadow: 0 12px 26px rgba(14, 27, 37, .055);
}

.principle-visual::before {
  inset: 8px;
  border: 0;
  border-left: 1px solid color-mix(in srgb, var(--principle-color) 36%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--principle-color) 26%, transparent);
}

.principle-visual::after {
  width: 54px;
  height: 54px;
  border-color: color-mix(in srgb, var(--principle-color) 16%, transparent);
}

.principle-symbol {
  width: 68px;
  height: 54px;
  border: 0;
  border-radius: 0;
  color: inherit;
  background: none;
  box-shadow: none;
  filter: none;
  transform: none;
}

/* Source: container record plus manifest */
.principle-symbol-source {
  background:
    linear-gradient(currentColor, currentColor) 5px 18px / 45px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) 5px 44px / 45px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) 5px 18px / 1.5px 28px no-repeat,
    linear-gradient(currentColor, currentColor) 49px 18px / 1.5px 28px no-repeat,
    repeating-linear-gradient(90deg, transparent 0 7px, color-mix(in srgb, currentColor 62%, transparent) 7px 8px) 6px 19px / 43px 25px no-repeat;
}

.principle-symbol-source::before {
  content: "";
  position: absolute;
  inset: auto;
  right: 1px;
  top: 7px;
  width: 20px;
  height: 27px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  background:
    linear-gradient(currentColor, currentColor) 4px 8px / 11px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 4px 13px / 8px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 4px 18px / 10px 1px no-repeat,
    #fff;
  opacity: 1;
}

.principle-symbol-source::after {
  content: "";
  position: absolute;
  left: 1px;
  top: 13px;
  width: 8px;
  height: 8px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 12px color-mix(in srgb, currentColor 26%, transparent);
}

/* Access: terminal gate, container and controlled barrier */
.principle-symbol-access {
  background:
    linear-gradient(currentColor, currentColor) 4px 8px / 60px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) 7px 8px / 1.5px 40px no-repeat,
    linear-gradient(currentColor, currentColor) 61px 8px / 1.5px 40px no-repeat,
    repeating-linear-gradient(90deg, transparent 0 6px, color-mix(in srgb, currentColor 56%, transparent) 6px 7px) 18px 26px / 35px 20px no-repeat,
    linear-gradient(currentColor, currentColor) 17px 25px / 37px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) 17px 46px / 37px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) 17px 25px / 1.5px 22px no-repeat,
    linear-gradient(currentColor, currentColor) 53px 25px / 1.5px 22px no-repeat;
}

.principle-symbol-access::before {
  content: "";
  position: absolute;
  inset: auto;
  left: 9px;
  top: 22px;
  width: 23px;
  height: 1.5px;
  border: 0;
  border-radius: 0;
  background: currentColor;
  transform: rotate(-24deg);
  transform-origin: left center;
}

.principle-symbol-access::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 18px;
  width: 8px;
  height: 8px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 5px color-mix(in srgb, currentColor 7%, transparent), 0 0 14px color-mix(in srgb, currentColor 24%, transparent);
}

/* Human responsibility: drayage truck with driver checkpoint */
.principle-symbol-human {
  background:
    radial-gradient(circle at 18px 47px, #fff 0 2px, currentColor 2.5px 4.5px, transparent 5px),
    radial-gradient(circle at 55px 47px, #fff 0 2px, currentColor 2.5px 4.5px, transparent 5px),
    linear-gradient(currentColor, currentColor) 3px 43px / 62px 1.5px no-repeat;
}

.principle-symbol-human::before {
  content: "";
  position: absolute;
  inset: auto;
  left: 3px;
  top: 17px;
  width: 43px;
  height: 25px;
  border: 1.5px solid currentColor;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, transparent 0 7px, color-mix(in srgb, currentColor 56%, transparent) 7px 8px);
}

.principle-symbol-human::after {
  content: "";
  position: absolute;
  right: 2px;
  bottom: 12px;
  width: 19px;
  height: 19px;
  border: 1.5px solid currentColor;
  border-left: 0;
  border-radius: 0 3px 2px 0;
  background:
    radial-gradient(circle at 8px 6px, currentColor 0 2px, transparent 2.5px),
    linear-gradient(135deg, transparent 0 38%, color-mix(in srgb, currentColor 18%, transparent) 39% 66%, transparent 67%),
    #fff;
  color: currentColor;
  font: 0/0 a;
}

/* Trace: linked logistics nodes across the route */
.principle-symbol-trace {
  background:
    linear-gradient(153deg, transparent 49%, currentColor 50%, transparent 51%) 3px 23px / 26px 20px no-repeat,
    linear-gradient(21deg, transparent 49%, currentColor 50%, transparent 51%) 25px 11px / 25px 24px no-repeat,
    linear-gradient(145deg, transparent 49%, currentColor 50%, transparent 51%) 45px 6px / 19px 19px no-repeat;
}

.principle-symbol-trace::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 5px 43px, #fff 0 3px, currentColor 3.5px 5px, transparent 5.5px),
    radial-gradient(circle at 28px 26px, #fff 0 3px, currentColor 3.5px 5px, transparent 5.5px),
    radial-gradient(circle at 49px 35px, #fff 0 3px, currentColor 3.5px 5px, transparent 5.5px),
    radial-gradient(circle at 64px 10px, currentColor 0 3px, transparent 3.5px);
  filter: drop-shadow(0 0 7px color-mix(in srgb, currentColor 25%, transparent));
}

.principle-symbol-trace::after {
  content: "";
  position: absolute;
  right: 1px;
  top: 6px;
  width: 8px;
  height: 8px;
  border: 0;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: rotate(20deg);
}

/*
 * Xiangxin logistics notation
 *
 * A shared operational grammar replaces literal pictograms: rails describe
 * continuity, nodes describe business state, frames describe governed scope,
 * and a single moving signal describes change over time.
 */
.step-symbol {
  --notation-line: color-mix(in srgb, currentColor 68%, transparent);
  --notation-faint: color-mix(in srgb, currentColor 18%, transparent);
  position: relative;
  width: 96px;
  height: 64px;
  margin: 54px 0 28px;
  overflow: visible;
  border: 0;
  border-radius: 0;
  color: #1e78ee;
  background: none;
  box-shadow: none;
}

.step-symbol::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 0;
  border-radius: 0;
  background:
    linear-gradient(currentColor, currentColor) left top / 17px 1px no-repeat,
    linear-gradient(currentColor, currentColor) left top / 1px 12px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 17px 1px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 1px 12px no-repeat;
  opacity: .24;
  transform: none;
}

.step-symbol::after {
  content: "";
  position: absolute;
  left: 9px;
  right: auto;
  bottom: 5px;
  top: auto;
  width: 78px;
  height: 1px;
  border: 0;
  border-radius: 0;
  background: linear-gradient(90deg, var(--notation-faint), var(--notation-line) 50%, var(--notation-faint));
  box-shadow: none;
  transform: none;
}

.glyph-field,
.glyph-structure,
.glyph-signal,
.glyph-field::before,
.glyph-field::after,
.glyph-structure::before,
.glyph-structure::after,
.glyph-signal::before,
.glyph-signal::after {
  position: absolute;
  display: block;
  box-sizing: border-box;
}

/* 01 — disparate fields resolve onto one operational datum. */
.step-symbol-semantics .glyph-field {
  left: 13px;
  top: 9px;
  width: 64px;
  height: 43px;
  background:
    linear-gradient(var(--notation-line), var(--notation-line)) 10px 6px / 39px 1px no-repeat,
    linear-gradient(var(--notation-line), var(--notation-line)) 10px 21px / 39px 1px no-repeat,
    linear-gradient(var(--notation-line), var(--notation-line)) 10px 36px / 39px 1px no-repeat;
}

.step-symbol-semantics .glyph-field::before {
  content: "";
  left: 0;
  top: 3px;
  width: 6px;
  height: 6px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: #f8faf9;
  box-shadow: 0 15px 0 -1px #f8faf9, 0 15px 0 0 currentColor, 0 30px 0 -1px #f8faf9, 0 30px 0 0 currentColor;
}

.step-symbol-semantics .glyph-field::after {
  content: "";
  right: 0;
  top: 4px;
  width: 9px;
  height: 3px;
  background: currentColor;
  box-shadow: 0 15px 0 color-mix(in srgb, currentColor 58%, transparent), 0 30px 0 currentColor;
}

.step-symbol-semantics .glyph-structure {
  right: 13px;
  top: 7px;
  width: 1px;
  height: 47px;
  background: var(--notation-line);
}

.step-symbol-semantics .glyph-structure::before {
  content: "";
  left: -3px;
  top: -1px;
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
  background: #f8faf9;
}

.step-symbol-semantics .glyph-signal {
  left: 21px;
  top: 9px;
  width: 1px;
  height: 43px;
  background: linear-gradient(180deg, transparent, #35c8ec 26%, #35c8ec 74%, transparent);
  box-shadow: 0 0 9px rgba(53, 200, 236, .55);
  animation: notation-scan 4.8s cubic-bezier(.42, 0, .2, 1) infinite;
}

/* 02 — state remains connected while it moves through the route. */
.step-symbol-context .glyph-field {
  left: 8px;
  top: 30px;
  width: 80px;
  height: 8px;
  background:
    radial-gradient(circle at 2px 4px, #f8faf9 0 2px, currentColor 2.5px 3.5px, transparent 4px),
    radial-gradient(circle at 39px 4px, #f8faf9 0 2px, currentColor 2.5px 3.5px, transparent 4px),
    radial-gradient(circle at 78px 4px, #f8faf9 0 2px, currentColor 2.5px 3.5px, transparent 4px),
    linear-gradient(var(--notation-line), var(--notation-line)) center / 100% 1px no-repeat;
}

.step-symbol-context .glyph-structure {
  left: 33px;
  top: 12px;
  width: 30px;
  height: 43px;
  border: 1px solid var(--notation-line);
  background:
    repeating-linear-gradient(90deg, transparent 0 6px, var(--notation-faint) 6px 7px),
    rgba(248, 250, 249, .86);
  box-shadow: 0 0 0 5px rgba(30, 120, 238, .025);
}

.step-symbol-context .glyph-structure::before,
.step-symbol-context .glyph-structure::after {
  content: "";
  width: 5px;
  height: 5px;
  border: 1px solid currentColor;
  background: #f8faf9;
}

.step-symbol-context .glyph-structure::before { left: -3px; top: -3px; }
.step-symbol-context .glyph-structure::after { right: -3px; bottom: -3px; }

.step-symbol-context .glyph-signal {
  left: 7px;
  top: 30px;
  width: 8px;
  height: 8px;
  border: 2px solid #f8faf9;
  border-radius: 50%;
  background: #35c8ec;
  box-shadow: 0 0 0 1px #35c8ec, 0 0 12px rgba(53, 200, 236, .65);
  animation: notation-packet 5.4s cubic-bezier(.45, 0, .15, 1) infinite;
}

/* 03 — one controlled aperture defines participation in a wider context. */
.step-symbol-boundary .glyph-field {
  inset: 7px 13px 9px;
  background:
    linear-gradient(var(--notation-line), var(--notation-line)) 14px 0 / 1px 48px no-repeat,
    linear-gradient(var(--notation-line), var(--notation-line)) 54px 0 / 1px 48px no-repeat,
    linear-gradient(var(--notation-line), var(--notation-line)) left 24px / 100% 1px no-repeat;
}

.step-symbol-boundary .glyph-field::before,
.step-symbol-boundary .glyph-field::after {
  content: "";
  top: 21px;
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
  background: #f8faf9;
  transform: rotate(45deg);
}

.step-symbol-boundary .glyph-field::before { left: -2px; }
.step-symbol-boundary .glyph-field::after { right: -2px; }

.step-symbol-boundary .glyph-structure {
  left: 36px;
  top: 17px;
  width: 25px;
  height: 31px;
  border: 1px solid var(--notation-line);
  background: repeating-linear-gradient(90deg, transparent 0 5px, var(--notation-faint) 5px 6px);
}

.step-symbol-boundary .glyph-signal {
  left: 64px;
  top: 23px;
  width: 9px;
  height: 15px;
  border: 1px solid #d28a27;
  background: rgba(210, 138, 39, .08);
  box-shadow: 0 0 13px rgba(210, 138, 39, .24);
}

.step-symbol-boundary .glyph-signal::after {
  content: "";
  left: 3px;
  top: 5px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: #d28a27;
  animation: notation-breathe 3.4s ease-in-out infinite;
}

.principle-visual {
  --notation-line: color-mix(in srgb, currentColor 72%, transparent);
  --notation-faint: color-mix(in srgb, currentColor 18%, transparent);
  width: 118px;
  height: 82px;
  margin-bottom: 34px;
  overflow: visible;
  border: 0;
  border-radius: 0;
  clip-path: none;
  background: none;
  box-shadow: none;
}

.principle-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 0;
  background:
    linear-gradient(currentColor, currentColor) left top / 17px 1px no-repeat,
    linear-gradient(currentColor, currentColor) left top / 1px 12px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 17px 1px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 1px 12px no-repeat,
    linear-gradient(90deg, transparent, var(--notation-faint) 16%, var(--notation-faint) 84%, transparent) center bottom 8px / 90% 1px no-repeat;
  opacity: .34;
}

.principle-visual::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 9px;
  width: 4px;
  height: 4px;
  border: 1px solid currentColor;
  border-radius: 0;
  box-shadow: 94px 60px 0 -1px #f8faf9, 94px 60px 0 0 currentColor;
  opacity: .56;
}

.principle-visual > b {
  display: none;
}

.principle-symbol,
.principle-symbol-source,
.principle-symbol-access,
.principle-symbol-human,
.principle-symbol-trace {
  position: relative;
  width: 98px;
  height: 62px;
  border: 0;
  border-radius: 0;
  color: inherit;
  background: none;
  box-shadow: none;
  filter: none;
  transform: none;
}

.principle-symbol::before,
.principle-symbol::after {
  content: none;
}

/* Fact provenance: source, normalized fact and evidence receipt stay linked. */
.principle-symbol-source .glyph-field {
  left: 4px;
  top: 29px;
  width: 88px;
  height: 8px;
  background:
    radial-gradient(circle at 2px 4px, #f8faf9 0 2px, currentColor 2.5px 3.5px, transparent 4px),
    radial-gradient(circle at 86px 4px, currentColor 0 3px, transparent 3.5px),
    linear-gradient(var(--notation-line), var(--notation-line)) center / 100% 1px no-repeat;
}

.principle-symbol-source .glyph-structure {
  left: 31px;
  top: 10px;
  width: 38px;
  height: 42px;
  border-left: 1px solid var(--notation-line);
  border-right: 1px solid var(--notation-line);
  background:
    linear-gradient(var(--notation-line), var(--notation-line)) 8px 10px / 22px 1px no-repeat,
    linear-gradient(var(--notation-line), var(--notation-line)) 8px 20px / 16px 1px no-repeat,
    linear-gradient(var(--notation-line), var(--notation-line)) 8px 30px / 24px 1px no-repeat;
}

.principle-symbol-source .glyph-structure::before,
.principle-symbol-source .glyph-structure::after {
  content: "";
  left: -3px;
  width: 5px;
  height: 5px;
  border: 1px solid currentColor;
  background: #f8faf9;
}

.principle-symbol-source .glyph-structure::before { top: -2px; }
.principle-symbol-source .glyph-structure::after { bottom: -2px; }

.principle-symbol-source .glyph-signal {
  right: 4px;
  top: 27px;
  width: 8px;
  height: 8px;
  border: 2px solid #f8faf9;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 1px currentColor, 0 0 12px color-mix(in srgb, currentColor 34%, transparent);
  animation: notation-breathe 3.8s ease-in-out infinite;
}

/* Controlled access: a shared state is visible through one governed channel. */
.principle-symbol-access .glyph-field {
  inset: 7px 13px;
  background:
    linear-gradient(var(--notation-line), var(--notation-line)) 16px 0 / 1px 48px no-repeat,
    linear-gradient(var(--notation-line), var(--notation-line)) 54px 0 / 1px 48px no-repeat,
    linear-gradient(var(--notation-line), var(--notation-line)) left 24px / 100% 1px no-repeat;
}

.principle-symbol-access .glyph-structure {
  left: 37px;
  top: 18px;
  width: 25px;
  height: 27px;
  border: 1px solid var(--notation-line);
  background: repeating-linear-gradient(90deg, transparent 0 5px, var(--notation-faint) 5px 6px);
}

.principle-symbol-access .glyph-signal {
  left: 66px;
  top: 23px;
  width: 11px;
  height: 17px;
  border: 1px solid currentColor;
  background: color-mix(in srgb, currentColor 7%, #fff);
  box-shadow: 0 0 12px color-mix(in srgb, currentColor 22%, transparent);
}

.principle-symbol-access .glyph-signal::before {
  content: "";
  left: 3px;
  top: 6px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
}

/* Human accountability: several machine paths resolve at one owner node. */
.principle-symbol-human .glyph-field {
  inset: 7px 5px;
  background:
    linear-gradient(24deg, transparent 49%, var(--notation-line) 50%, transparent 51%) 0 5px / 48px 21px no-repeat,
    linear-gradient(-24deg, transparent 49%, var(--notation-line) 50%, transparent 51%) 0 28px / 48px 21px no-repeat,
    linear-gradient(var(--notation-line), var(--notation-line)) 0 24px / 48px 1px no-repeat;
}

.principle-symbol-human .glyph-field::before {
  content: "";
  left: 0;
  top: 4px;
  width: 6px;
  height: 6px;
  border: 1px solid currentColor;
  background: #f8faf9;
  box-shadow: 0 19px 0 -1px #f8faf9, 0 19px 0 0 currentColor, 0 38px 0 -1px #f8faf9, 0 38px 0 0 currentColor;
}

.principle-symbol-human .glyph-structure {
  right: 18px;
  top: 21px;
  width: 20px;
  height: 20px;
  border: 1px solid #d28a27;
  background: rgba(210, 138, 39, .055);
  transform: rotate(45deg);
}

.principle-symbol-human .glyph-structure::after {
  content: "";
  left: 6px;
  top: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #d28a27;
  box-shadow: 0 0 10px rgba(210, 138, 39, .4);
}

.principle-symbol-human .glyph-signal {
  right: 0;
  top: 30px;
  width: 19px;
  height: 1px;
  background: linear-gradient(90deg, #d28a27, transparent);
}

/* Audit trail: events are retained as an ordered, replayable state path. */
.principle-symbol-trace .glyph-field {
  left: 5px;
  top: 27px;
  width: 88px;
  height: 10px;
  background:
    radial-gradient(circle at 2px 5px, #f8faf9 0 2px, currentColor 2.5px 3.5px, transparent 4px),
    radial-gradient(circle at 30px 5px, #f8faf9 0 2px, currentColor 2.5px 3.5px, transparent 4px),
    radial-gradient(circle at 58px 5px, #f8faf9 0 2px, currentColor 2.5px 3.5px, transparent 4px),
    radial-gradient(circle at 86px 5px, currentColor 0 3px, transparent 3.5px),
    linear-gradient(var(--notation-line), var(--notation-line)) center / 100% 1px no-repeat;
}

.principle-symbol-trace .glyph-structure {
  left: 18px;
  top: 13px;
  width: 57px;
  height: 36px;
  border-top: 1px solid var(--notation-faint);
  border-bottom: 1px solid var(--notation-faint);
  background:
    linear-gradient(var(--notation-faint), var(--notation-faint)) 0 0 / 1px 36px no-repeat,
    linear-gradient(var(--notation-faint), var(--notation-faint)) 28px 0 / 1px 36px no-repeat,
    linear-gradient(var(--notation-faint), var(--notation-faint)) right top / 1px 36px no-repeat;
}

.principle-symbol-trace .glyph-signal {
  left: 5px;
  top: 28px;
  width: 8px;
  height: 8px;
  border: 2px solid #f8faf9;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 1px currentColor, 0 0 12px color-mix(in srgb, currentColor 36%, transparent);
  animation: notation-trace 5.8s cubic-bezier(.42, 0, .18, 1) infinite;
}

@keyframes notation-scan {
  0%, 14% { opacity: 0; transform: translateX(0); }
  22% { opacity: 1; }
  76% { opacity: 1; }
  86%, 100% { opacity: 0; transform: translateX(42px); }
}

@keyframes notation-packet {
  0%, 12% { opacity: 0; transform: translateX(0); }
  20% { opacity: 1; }
  78% { opacity: 1; }
  90%, 100% { opacity: 0; transform: translateX(73px); }
}

@keyframes notation-trace {
  0%, 14% { opacity: 0; transform: translateX(0); }
  22% { opacity: 1; }
  78% { opacity: 1; }
  90%, 100% { opacity: 0; transform: translateX(82px); }
}

@keyframes notation-breathe {
  0%, 100% { opacity: .58; transform: scale(.88); }
  50% { opacity: 1; transform: scale(1); }
}
}

/*
 * Xiangxin operational iconography V3
 *
 * A mature logistics drawing system built from real operational objects:
 * ISO containers, drayage tractors, terminal cranes, governed checkpoints,
 * source records and auditable route events. Every symbol uses the same
 * blueprint frame, line weight and data-signal hierarchy.
 */
.step-symbol,
.principle-visual {
  --op-line: color-mix(in srgb, currentColor 84%, #0d2636 16%);
  --op-soft: color-mix(in srgb, currentColor 22%, transparent);
  --op-faint: color-mix(in srgb, currentColor 9%, transparent);
}

.glyph-field,
.glyph-structure,
.glyph-signal,
.glyph-field::before,
.glyph-field::after,
.glyph-structure::before,
.glyph-structure::after,
.glyph-signal::before,
.glyph-signal::after {
  position: absolute;
  display: block;
  box-sizing: border-box;
}

.step-symbol {
  position: relative;
  width: 118px;
  height: 74px;
  margin: 50px 0 28px;
  overflow: hidden;
  border: 1px solid rgba(25, 91, 139, .18);
  border-radius: 3px;
  color: #1f79e8;
  background:
    linear-gradient(rgba(31, 121, 232, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 121, 232, .045) 1px, transparent 1px),
    linear-gradient(145deg, rgba(255, 255, 255, .92), rgba(235, 243, 248, .54));
  background-size: 14px 14px, 14px 14px, auto;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .5), 0 12px 28px rgba(16, 52, 78, .07);
}

.step-symbol::before {
  content: "";
  position: absolute;
  z-index: 5;
  inset: 6px;
  pointer-events: none;
  background:
    linear-gradient(currentColor, currentColor) left top / 13px 1px no-repeat,
    linear-gradient(currentColor, currentColor) left top / 1px 10px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 13px 1px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 1px 10px no-repeat;
  opacity: .38;
}

.step-symbol::after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 8px;
  right: 8px;
  bottom: 7px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--op-soft) 16%, var(--op-line) 50%, var(--op-soft) 84%, transparent);
  opacity: .7;
}

/* 01 — a physical ISO container resolves to one structured digital record. */
.step-symbol-semantics .glyph-field {
  z-index: 2;
  left: 10px;
  top: 23px;
  width: 65px;
  height: 31px;
  border: 1.5px solid var(--op-line);
  border-radius: 1px;
  background:
    repeating-linear-gradient(90deg, transparent 0 7px, color-mix(in srgb, currentColor 42%, transparent) 7px 8px),
    linear-gradient(180deg, rgba(31, 121, 232, .035), rgba(31, 121, 232, .1));
}

.step-symbol-semantics .glyph-field::before {
  content: "";
  left: -3px;
  top: -3px;
  width: 5px;
  height: 5px;
  border: 1px solid var(--op-line);
  background: #f7fafb;
  box-shadow:
    63px 0 0 -1px #f7fafb, 63px 0 0 0 var(--op-line),
    0 29px 0 -1px #f7fafb, 0 29px 0 0 var(--op-line),
    63px 29px 0 -1px #f7fafb, 63px 29px 0 0 var(--op-line);
}

.step-symbol-semantics .glyph-field::after {
  content: "ISO";
  right: 5px;
  top: 5px;
  padding: 2px 3px;
  border: 1px solid color-mix(in srgb, currentColor 52%, transparent);
  color: var(--op-line);
  background: rgba(248, 250, 251, .9);
  font: 700 6px/1 var(--font-mono);
  letter-spacing: .08em;
}

.step-symbol-semantics .glyph-structure {
  z-index: 3;
  right: 9px;
  top: 14px;
  width: 26px;
  height: 42px;
  border: 1px solid color-mix(in srgb, currentColor 62%, transparent);
  background:
    linear-gradient(var(--op-line), var(--op-line)) 6px 10px / 13px 1px no-repeat,
    linear-gradient(var(--op-line), var(--op-line)) 6px 18px / 9px 1px no-repeat,
    linear-gradient(var(--op-line), var(--op-line)) 6px 26px / 13px 1px no-repeat,
    rgba(248, 250, 251, .94);
  box-shadow: 0 0 0 4px var(--op-faint);
}

.step-symbol-semantics .glyph-structure::before {
  content: "";
  right: 4px;
  top: 4px;
  width: 4px;
  height: 4px;
  background: #37c5e7;
  box-shadow: 0 0 8px rgba(55, 197, 231, .55);
}

.step-symbol-semantics .glyph-signal {
  z-index: 4;
  left: 74px;
  top: 37px;
  width: 12px;
  height: 1px;
  background: var(--op-line);
}

.step-symbol-semantics .glyph-signal::after {
  content: "";
  left: -1px;
  top: -3px;
  width: 7px;
  height: 7px;
  border: 2px solid #f7fafb;
  border-radius: 50%;
  background: #37c5e7;
  box-shadow: 0 0 0 1px #37c5e7, 0 0 10px rgba(55, 197, 231, .54);
  animation: op-link-pulse 4.6s ease-in-out infinite;
}

/* 02 — container drayage stays connected while moving through the route. */
.step-symbol-context .glyph-field {
  z-index: 2;
  left: 9px;
  top: 20px;
  width: 62px;
  height: 29px;
  border: 1.5px solid var(--op-line);
  border-radius: 1px;
  background:
    repeating-linear-gradient(90deg, transparent 0 8px, color-mix(in srgb, currentColor 42%, transparent) 8px 9px),
    linear-gradient(180deg, rgba(31, 121, 232, .04), rgba(31, 121, 232, .1));
}

.step-symbol-context .glyph-field::before {
  content: "";
  left: 8px;
  top: 27px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--op-line);
  border-radius: 50%;
  background: #f7fafb;
  box-shadow: 38px 0 0 -2px #f7fafb, 38px 0 0 0 var(--op-line);
}

.step-symbol-context .glyph-field::after {
  content: "";
  left: -2px;
  top: 29px;
  width: 91px;
  height: 1.5px;
  background: var(--op-line);
}

.step-symbol-context .glyph-structure {
  z-index: 3;
  left: 70px;
  top: 28px;
  width: 30px;
  height: 21px;
  border: 1.5px solid var(--op-line);
  border-left: 0;
  border-radius: 0 4px 2px 0;
  background: linear-gradient(135deg, transparent 0 30%, rgba(31, 121, 232, .15) 31% 60%, transparent 61%) 5px 3px / 13px 8px no-repeat, #f7fafb;
  clip-path: polygon(0 0, 63% 0, 100% 42%, 100% 100%, 0 100%);
}

.step-symbol-context .glyph-structure::after {
  content: "";
  right: 4px;
  top: 18px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--op-line);
  border-radius: 50%;
  background: #f7fafb;
}

.step-symbol-context .glyph-signal {
  z-index: 4;
  left: 7px;
  bottom: 7px;
  width: 102px;
  height: 1px;
  background:
    radial-gradient(circle at 2px 50%, var(--op-line) 0 2px, transparent 2.5px),
    radial-gradient(circle at 50% 50%, var(--op-line) 0 2px, transparent 2.5px),
    radial-gradient(circle at calc(100% - 2px) 50%, var(--op-line) 0 2px, transparent 2.5px),
    linear-gradient(90deg, var(--op-soft), var(--op-line), var(--op-soft));
}

.step-symbol-context .glyph-signal::after {
  content: "";
  left: 1px;
  top: -3px;
  width: 7px;
  height: 7px;
  border: 2px solid #f7fafb;
  border-radius: 50%;
  background: #37c5e7;
  box-shadow: 0 0 0 1px #37c5e7, 0 0 10px rgba(55, 197, 231, .5);
  animation: op-route-packet 5.4s cubic-bezier(.45, 0, .15, 1) infinite;
}

/* 03 — a terminal crane and container pass through one governed aperture. */
.step-symbol-boundary .glyph-field {
  z-index: 1;
  left: 10px;
  top: 9px;
  width: 88px;
  height: 50px;
  background:
    linear-gradient(var(--op-line), var(--op-line)) 2px 5px / 69px 1.5px no-repeat,
    linear-gradient(var(--op-line), var(--op-line)) 5px 5px / 1.5px 43px no-repeat,
    linear-gradient(var(--op-line), var(--op-line)) 67px 5px / 1.5px 43px no-repeat,
    linear-gradient(37deg, transparent 48%, var(--op-line) 49% 51%, transparent 52%) 7px 9px / 29px 37px no-repeat,
    linear-gradient(-37deg, transparent 48%, var(--op-line) 49% 51%, transparent 52%) 38px 9px / 28px 37px no-repeat;
}

.step-symbol-boundary .glyph-field::before {
  content: "";
  left: 68px;
  top: 4px;
  width: 27px;
  height: 1.5px;
  background: var(--op-line);
  transform: rotate(-12deg);
  transform-origin: left center;
}

.step-symbol-boundary .glyph-field::after {
  content: "";
  left: 76px;
  top: 8px;
  width: 1px;
  height: 20px;
  background: var(--op-line);
  box-shadow: -4px 20px 0 2px #f7fafb, -4px 20px 0 3px var(--op-line);
}

.step-symbol-boundary .glyph-structure {
  z-index: 3;
  left: 28px;
  top: 35px;
  width: 49px;
  height: 19px;
  border: 1.5px solid var(--op-line);
  background:
    linear-gradient(var(--op-line), var(--op-line)) center / 1px 100% no-repeat,
    repeating-linear-gradient(90deg, transparent 0 7px, color-mix(in srgb, currentColor 42%, transparent) 7px 8px),
    rgba(248, 250, 251, .92);
}

.step-symbol-boundary .glyph-signal {
  z-index: 5;
  right: 8px;
  top: 16px;
  width: 17px;
  height: 17px;
  border: 1.5px solid #d28a27;
  background: rgba(210, 138, 39, .07);
  box-shadow: 0 0 13px rgba(210, 138, 39, .22);
  transform: rotate(45deg);
}

.step-symbol-boundary .glyph-signal::after {
  content: "✓";
  inset: 0;
  display: grid;
  place-items: center;
  color: #d28a27;
  font: 800 10px/1 var(--font-mono);
  transform: rotate(-45deg);
}

.principle-visual {
  position: relative;
  width: 118px;
  height: 86px;
  margin-bottom: 36px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--principle-color) 22%, rgba(16, 42, 56, .12));
  border-radius: 3px;
  color: var(--principle-color);
  background:
    linear-gradient(color-mix(in srgb, var(--principle-color) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--principle-color) 5%, transparent) 1px, transparent 1px),
    linear-gradient(145deg, rgba(255, 255, 255, .94), color-mix(in srgb, var(--principle-color) 4%, #f2f6f8));
  background-size: 14px 14px, 14px 14px, auto;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .58), 0 12px 28px rgba(14, 27, 37, .055);
  clip-path: none;
}

.principle-visual::before {
  content: "";
  position: absolute;
  z-index: 5;
  inset: 7px;
  border: 0;
  pointer-events: none;
  background:
    linear-gradient(currentColor, currentColor) left top / 13px 1px no-repeat,
    linear-gradient(currentColor, currentColor) left top / 1px 10px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 13px 1px no-repeat,
    linear-gradient(currentColor, currentColor) right bottom / 1px 10px no-repeat;
  opacity: .36;
}

.principle-visual::after {
  content: "";
  position: absolute;
  z-index: 1;
  left: 9px;
  right: 9px;
  bottom: 8px;
  width: auto;
  height: 1px;
  border: 0;
  border-radius: 0;
  background: linear-gradient(90deg, transparent, var(--op-soft) 16%, var(--op-line) 50%, var(--op-soft) 84%, transparent);
  opacity: .68;
  box-shadow: none;
}

.principle-visual > b {
  display: block;
  z-index: 6;
  left: 10px;
  top: 10px;
  width: 4px;
  height: 4px;
  background: currentColor;
  box-shadow: 0 0 9px currentColor;
  opacity: .64;
  animation: op-status-pulse 4s ease-in-out infinite;
}

.principle-symbol,
.principle-symbol-source,
.principle-symbol-access,
.principle-symbol-human,
.principle-symbol-trace {
  position: relative;
  z-index: 2;
  width: 100px;
  height: 66px;
  border: 0;
  border-radius: 0;
  color: inherit;
  background: none;
  box-shadow: none;
  filter: none;
  transform: none;
}

.principle-symbol::before,
.principle-symbol::after {
  content: none;
}

/* Fact provenance — container, source manifest and one retained evidence link. */
.principle-symbol-source .glyph-field {
  z-index: 2;
  left: 2px;
  top: 28px;
  width: 53px;
  height: 27px;
  border: 1.5px solid var(--op-line);
  background:
    repeating-linear-gradient(90deg, transparent 0 7px, color-mix(in srgb, currentColor 42%, transparent) 7px 8px),
    rgba(255, 255, 255, .72);
}

.principle-symbol-source .glyph-field::before {
  content: "";
  left: 4px;
  top: 4px;
  width: 5px;
  height: 5px;
  border: 1px solid var(--op-line);
  background: #fff;
  box-shadow: 37px 0 0 -1px #fff, 37px 0 0 0 var(--op-line);
}

.principle-symbol-source .glyph-structure {
  z-index: 3;
  right: 3px;
  top: 9px;
  width: 31px;
  height: 43px;
  border: 1.5px solid var(--op-line);
  background:
    linear-gradient(var(--op-line), var(--op-line)) 6px 10px / 17px 1px no-repeat,
    linear-gradient(var(--op-line), var(--op-line)) 6px 18px / 12px 1px no-repeat,
    linear-gradient(var(--op-line), var(--op-line)) 6px 26px / 17px 1px no-repeat,
    #fff;
  box-shadow: -4px 4px 0 -3px #fff, -4px 4px 0 -2px var(--op-soft);
}

.principle-symbol-source .glyph-signal {
  z-index: 4;
  left: 54px;
  top: 40px;
  width: 13px;
  height: 1px;
  background: var(--op-line);
}

.principle-symbol-source .glyph-signal::after {
  content: "";
  left: 3px;
  top: -3px;
  width: 7px;
  height: 7px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 1px currentColor, 0 0 9px var(--op-soft);
}

/* Controlled access — a terminal gate, container and explicit checkpoint. */
.principle-symbol-access .glyph-field {
  z-index: 1;
  inset: 8px 6px 6px;
  background:
    linear-gradient(var(--op-line), var(--op-line)) 3px 3px / 80px 1.5px no-repeat,
    linear-gradient(var(--op-line), var(--op-line)) 6px 3px / 1.5px 47px no-repeat,
    linear-gradient(var(--op-line), var(--op-line)) 81px 3px / 1.5px 47px no-repeat;
}

.principle-symbol-access .glyph-structure {
  z-index: 2;
  left: 28px;
  top: 30px;
  width: 45px;
  height: 22px;
  border: 1.5px solid var(--op-line);
  background: repeating-linear-gradient(90deg, transparent 0 7px, color-mix(in srgb, currentColor 44%, transparent) 7px 8px), #fff;
}

.principle-symbol-access .glyph-structure::before {
  content: "";
  left: -18px;
  top: -5px;
  width: 38px;
  height: 2px;
  background: var(--op-line);
  transform: rotate(-22deg);
  transform-origin: left center;
}

.principle-symbol-access .glyph-structure::after {
  content: "";
  left: -19px;
  top: -9px;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--op-line);
  border-radius: 50%;
  background: #fff;
}

.principle-symbol-access .glyph-signal {
  z-index: 4;
  right: 5px;
  top: 17px;
  width: 16px;
  height: 16px;
  border: 1.5px solid currentColor;
  background: color-mix(in srgb, currentColor 6%, #fff);
  box-shadow: 0 0 11px var(--op-soft);
  transform: rotate(45deg);
}

.principle-symbol-access .glyph-signal::after {
  content: "✓";
  inset: 0;
  display: grid;
  place-items: center;
  color: currentColor;
  font: 800 9px/1 var(--font-mono);
  transform: rotate(-45deg);
}

/* Human accountability — drayage execution resolves to one operator identity. */
.principle-symbol-human .glyph-field {
  z-index: 2;
  left: 1px;
  top: 27px;
  width: 53px;
  height: 24px;
  border: 1.5px solid var(--op-line);
  background: repeating-linear-gradient(90deg, transparent 0 7px, color-mix(in srgb, currentColor 42%, transparent) 7px 8px), rgba(255, 255, 255, .7);
}

.principle-symbol-human .glyph-field::before {
  content: "";
  left: 7px;
  top: 22px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--op-line);
  border-radius: 50%;
  background: #fff;
  box-shadow: 34px 0 0 -2px #fff, 34px 0 0 0 var(--op-line);
}

.principle-symbol-human .glyph-field::after {
  content: "";
  left: 52px;
  top: 7px;
  width: 21px;
  height: 17px;
  border: 1.5px solid var(--op-line);
  border-left: 0;
  background: #fff;
  clip-path: polygon(0 0, 62% 0, 100% 42%, 100% 100%, 0 100%);
}

.principle-symbol-human .glyph-structure {
  z-index: 4;
  right: 0;
  top: 6px;
  width: 26px;
  height: 39px;
  border: 1.5px solid var(--op-line);
  background:
    radial-gradient(circle at 50% 10px, var(--op-line) 0 3px, transparent 3.5px),
    linear-gradient(var(--op-line), var(--op-line)) center 21px / 12px 1px no-repeat,
    linear-gradient(var(--op-line), var(--op-line)) center 27px / 16px 1px no-repeat,
    #fff;
  box-shadow: 0 0 0 4px var(--op-faint);
}

.principle-symbol-human .glyph-signal {
  z-index: 5;
  right: -2px;
  top: 38px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #d28a27;
  box-shadow: 0 0 0 3px #fff, 0 0 0 4px rgba(210, 138, 39, .5), 0 0 11px rgba(210, 138, 39, .32);
}

.principle-symbol-human .glyph-signal::after {
  content: "✓";
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font: 800 8px/1 var(--font-mono);
}

/* Audit trail — truck movement and terminal events persist on one route. */
.principle-symbol-trace .glyph-field {
  z-index: 1;
  left: 5px;
  top: 31px;
  width: 87px;
  height: 20px;
  background:
    radial-gradient(circle at 3px 14px, #fff 0 3px, var(--op-line) 3.5px 5px, transparent 5.5px),
    radial-gradient(circle at 34px 5px, #fff 0 3px, var(--op-line) 3.5px 5px, transparent 5.5px),
    radial-gradient(circle at 63px 14px, #fff 0 3px, var(--op-line) 3.5px 5px, transparent 5.5px),
    radial-gradient(circle at 84px 3px, var(--op-line) 0 4px, transparent 4.5px),
    linear-gradient(163deg, transparent 48%, var(--op-line) 49% 51%, transparent 52%) 6px 4px / 31px 14px no-repeat,
    linear-gradient(17deg, transparent 48%, var(--op-line) 49% 51%, transparent 52%) 37px 3px / 29px 14px no-repeat,
    linear-gradient(155deg, transparent 48%, var(--op-line) 49% 51%, transparent 52%) 66px 2px / 18px 12px no-repeat;
}

.principle-symbol-trace .glyph-structure {
  z-index: 3;
  left: 27px;
  top: 13px;
  width: 31px;
  height: 19px;
  border: 1.5px solid var(--op-line);
  background: repeating-linear-gradient(90deg, transparent 0 6px, color-mix(in srgb, currentColor 44%, transparent) 6px 7px), #fff;
}

.principle-symbol-trace .glyph-structure::after {
  content: "";
  right: -14px;
  bottom: -1px;
  width: 14px;
  height: 13px;
  border: 1.5px solid var(--op-line);
  border-left: 0;
  background: #fff;
  clip-path: polygon(0 0, 62% 0, 100% 42%, 100% 100%, 0 100%);
}

.principle-symbol-trace .glyph-signal {
  z-index: 5;
  left: 5px;
  top: 41px;
  width: 8px;
  height: 8px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 1px currentColor, 0 0 10px var(--op-soft);
  animation: op-trace-packet 6.2s cubic-bezier(.42, 0, .18, 1) infinite;
}

@keyframes op-link-pulse {
  0%, 100% { opacity: .62; transform: translateX(0) scale(.88); }
  50% { opacity: 1; transform: translateX(5px) scale(1); }
}

@keyframes op-route-packet {
  0%, 12% { opacity: 0; transform: translateX(0); }
  20% { opacity: 1; }
  80% { opacity: 1; }
  92%, 100% { opacity: 0; transform: translateX(95px); }
}

@keyframes op-trace-packet {
  0%, 12% { opacity: 0; transform: translate(0, 0); }
  22% { opacity: 1; }
  48% { transform: translate(31px, -9px); }
  72% { transform: translate(60px, 0); }
  86% { opacity: 1; }
  96%, 100% { opacity: 0; transform: translate(82px, -11px); }
}

@keyframes op-status-pulse {
  0%, 100% { opacity: .42; transform: scale(.82); }
  50% { opacity: .9; transform: scale(1); }
}

.final-cta {
  min-height: 0;
  padding: clamp(88px, 8vw, 124px) 0 clamp(92px, 9vw, 132px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(2, 8, 16, .97) 0%, rgba(3, 11, 23, .89) 46%, rgba(3, 13, 29, .72) 100%),
    linear-gradient(180deg, rgba(2, 8, 15, .22), rgba(2, 8, 15, .74)),
    url("/assets/ai-flow-collaboration.jpg?v=1") center 52% / cover no-repeat,
    #050b14;
}

.final-cta::before {
  z-index: 0;
  inset: 0;
  width: auto;
  height: auto;
  aspect-ratio: auto;
  border-radius: 0;
  background:
    radial-gradient(circle at 74% 42%, rgba(38, 162, 255, .16), transparent 28%),
    radial-gradient(circle at 91% 78%, rgba(105, 58, 255, .12), transparent 30%),
    linear-gradient(90deg, rgba(2, 8, 15, .32), transparent 52%);
  filter: none;
}

.final-cta::after {
  z-index: 1;
  background:
    linear-gradient(90deg, transparent 0%, rgba(86, 223, 255, .28) 50%, transparent 100%) 50% 0 / min(1240px, calc(100% - 64px)) 1px no-repeat,
    linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, .1) 50%, transparent 100%) 50% 100% / min(1240px, calc(100% - 64px)) 1px no-repeat;
  filter: none;
}

.cta-grid {
  position: absolute;
  z-index: 1;
  inset: 0;
  opacity: .045;
  background-image:
    linear-gradient(rgba(255, 255, 255, .043) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .043) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 24%, #000 82%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 24%, #000 82%, transparent 100%);
}

.beta-access-glow {
  z-index: 1;
  inset: auto 12% 10% auto;
  width: 1px;
  height: 54%;
  background: linear-gradient(180deg, transparent, rgba(86, 223, 255, .34), transparent);
  box-shadow: 0 0 72px 24px rgba(39, 125, 255, .055);
}

.beta-access-watermark {
  display: none;
}

.beta-access-inner {
  z-index: 3;
}

.beta-access-main {
  grid-template-columns: minmax(0, .9fr) minmax(440px, 1.1fr);
  gap: clamp(64px, 8vw, 126px);
  align-items: center;
}

.beta-access-title h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(52px, 5.5vw, 78px);
  font-weight: 620;
  line-height: .94;
  letter-spacing: -.06em;
}

.beta-access-copy > p {
  max-width: 600px;
  margin: 0;
  color: #c2ced9;
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.82;
}

.beta-access-email {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 54px;
  gap: 10px 24px;
  align-items: center;
  min-height: 0;
  margin-top: 38px;
  padding: 26px 0 0;
  overflow: visible;
  border: 0;
  border-top: 1px solid rgba(193, 218, 241, .13);
  background: transparent;
}

.beta-access-email::before {
  display: none;
}

.beta-access-email span {
  grid-column: 1;
  color: #6edcff;
  font: 700 9px/1 var(--font-mono);
  letter-spacing: .12em;
}

.beta-access-email strong {
  grid-column: 1;
  color: var(--white);
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 590;
  line-height: 1;
  letter-spacing: -.045em;
  transition: color .2s ease;
}

.beta-access-email i {
  display: grid;
  grid-column: 2;
  grid-row: 1 / 3;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid rgba(109, 215, 255, .34);
  border-radius: 50%;
  color: #79ddff;
  background: rgba(62, 151, 255, .055);
  font-size: 19px;
  transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease;
}

.beta-access-email:hover,
.beta-access-email:focus-visible {
  border-color: rgba(193, 218, 241, .13);
  background: transparent;
}

.beta-access-email:hover strong,
.beta-access-email:focus-visible strong {
  color: var(--cyan);
}

.beta-access-email:hover i,
.beta-access-email:focus-visible i {
  border-color: rgba(109, 215, 255, .72);
  color: #041019;
  background: var(--cyan);
  transform: translate(3px, -3px);
}

.site-footer {
  padding: 56px 0;
  border-top: 1px solid var(--line);
  background: var(--ink);
}

.footer-layout {
  grid-template-columns: minmax(280px, 1fr) auto minmax(320px, 1fr);
  gap: 50px;
  align-items: start;
}

.footer-brand {
  margin-bottom: 16px;
}

.footer-links {
  display: grid;
  gap: 8px;
  color: inherit;
  font-family: var(--font-mono);
  font-size: 10px;
}

.footer-links a {
  color: #9099a1;
}

.copyright {
  grid-column: auto;
  margin: 0;
  color: #606a73;
  font-size: 10px;
  line-height: 1.8;
  text-align: right;
}

@media (max-width: 1180px) {
  :root {
    --hero-type: clamp(48px, 5.8vw, 70px);
    --section-type: clamp(44px, 5.1vw, 66px);
  }

  .shell {
    width: min(var(--shell), calc(100% - 52px));
  }

  .hero-layout {
    grid-template-columns: minmax(360px, .9fr) minmax(500px, 1.1fr);
    gap: 28px;
  }

  .agent-window {
    min-height: 480px;
  }

  .node-container { left: 13%; }
  .node-port { left: 87%; }

  .principle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .principle-grid::before,
  .principle-grid::after {
    display: none;
  }

  .principle-grid article {
    min-height: 300px;
  }

  .principle-grid article.is-revealed:nth-child(even) {
    transform: translateY(0);
  }

  .principle-grid article.is-revealed:hover {
    transform: translateY(-7px);
  }
}

@media (max-width: 980px) {
  .desktop-nav,
  .header-contact {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .hero {
    min-height: 0;
    padding-bottom: 68px;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(2, 9, 15, .9) 0%, rgba(3, 13, 22, .7) 42%, rgba(3, 12, 19, .82) 72%, #030b11 100%);
  }

  .hero-video {
    width: 100%;
    opacity: .5;
    clip-path: none;
  }

  .hero-grid {
    mask-image: linear-gradient(180deg, transparent, #000 34%, #000 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 34%, #000 100%);
  }

  .hero-layout {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-copy {
    max-width: 760px;
    padding-top: 24px;
    transform: none;
  }

  .hero-lead {
    max-width: 650px;
  }

  .hero-subtitle {
    max-width: 650px;
  }

  .hero-route-field {
    opacity: .38;
  }

  .agent-window {
    width: min(760px, 100%);
    height: 520px;
    min-height: 0;
    margin-inline: auto;
  }

  .split-heading {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .heading-copy {
    max-width: 700px;
  }

  .runtime-steps {
    grid-template-columns: 1fr;
  }

  .runtime-steps li {
    min-height: 244px;
    border-right: 0;
    border-bottom: 1px solid var(--dark-line);
  }

  .runtime-steps li:last-child {
    border-bottom: 0;
  }

  .step-symbol {
    margin-bottom: 28px;
  }

  .beta-access-main {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .beta-access-copy {
    max-width: 720px;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 66px;
    --hero-type: clamp(40px, 11.8vw, 52px);
    --section-type: clamp(38px, 11vw, 54px);
  }

  .shell {
    width: calc(100% - 36px);
  }

  .header-inner {
    width: calc(100% - 28px);
  }

  .brand-mark,
  .brand-symbol {
    width: 46px;
    height: 35px;
  }

  .brand-name {
    font-size: 11px;
  }

  .brand-wordmark {
    width: 178px;
  }

  .header-actions {
    gap: 0;
  }

  .language-button {
    min-width: 38px;
    padding-inline: 4px;
    font-size: 12px;
  }

  .mobile-nav {
    padding-inline: 20px;
  }

  .hero {
    padding-top: calc(var(--header-height) + 25px);
    padding-bottom: 54px;
  }

  .hero-port-photo {
    object-position: 62% center;
    filter: saturate(.66) contrast(1.08) brightness(.58);
  }

  .eyebrow {
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 26px;
    font-size: 12px;
  }

  .eyebrow-state {
    font-size: 9px;
  }

  .hero h1 {
    max-width: 100%;
    line-height: 1;
  }

  .hero-lead {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.68;
  }

  .hero-subtitle {
    margin-top: 21px;
    font-size: 18px;
    line-height: 1.5;
  }

  .hero-route-field {
    opacity: .22;
  }

  .agent-window {
    height: 430px;
    border-radius: 14px;
  }

  .context-graph {
    inset: 0;
  }

  .context-graph::before {
    inset: 11px;
  }

  .graph-network {
    inset: 0;
  }

  .context-node {
    width: 78px;
    height: 78px;
    gap: 8px;
  }

  .context-node strong {
    font-size: 8px;
  }

  .node-agent {
    width: 116px;
    height: 116px;
  }

  .node-container { left: 13%; }
  .node-port { left: 87%; }
  .node-approval { top: 18%; }
  .node-order { top: 80%; }

  .node-symbol {
    width: 34px;
    height: 26px;
  }

  .symbol-agent {
    width: 54px;
    height: 42px;
  }

  .symbol-container,
  .symbol-port,
  .symbol-order,
  .symbol-approval {
    transform: scale(.78);
  }

  .symbol-container { width: 52px; height: 34px; }
  .symbol-port { width: 56px; height: 42px; }
  .symbol-order { width: 44px; height: 44px; background: none; }
  .symbol-approval { width: 46px; height: 42px; }

  .radar-a { width: 220px; height: 220px; }
  .radar-b { width: 320px; height: 320px; }

  .section {
    min-height: 0;
    padding: 104px 0 98px;
  }

  .section-heading {
    margin-bottom: 58px;
  }

  .section-heading h2 {
    line-height: 1.08;
  }

  .heading-copy {
    padding-left: 18px;
    font-size: 16px;
    line-height: 1.75;
  }

  .runtime-media {
    opacity: .3;
    mask-image: linear-gradient(180deg, transparent 0%, #000 26%, #000 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 26%, #000 100%);
  }

  .runtime-steps li {
    min-height: 230px;
    padding: 28px 24px 26px;
  }

  .step-index {
    left: 24px;
  }

  .step-symbol {
    width: 118px;
    height: 74px;
    margin-top: 50px;
  }

  .principle-grid {
    grid-template-columns: 1fr;
  }

  .principle-grid article {
    min-height: 286px;
    padding: 24px;
  }

  .principle-grid::before,
  .principle-grid::after {
    display: none;
  }

  .principle-grid article.is-revealed:nth-child(even),
  .principle-grid article.is-revealed:hover {
    transform: translateY(0);
  }

  .principle-visual {
    margin-bottom: 36px;
  }

  .final-cta {
    min-height: 0;
    padding: 72px 0 68px;
  }

  .beta-access-main {
    gap: 32px;
  }

  .beta-access-title h2 {
    font-size: clamp(38px, 11vw, 44px);
    line-height: 1;
  }

  .beta-access-copy > p {
    font-size: 15px;
    line-height: 1.7;
  }

  .beta-access-watermark {
    right: -5vw;
    bottom: -8vw;
  }

  .beta-access-email {
    min-height: 0;
    grid-template-columns: 1fr auto;
    gap: 9px 16px;
    margin-top: 26px;
    padding: 22px 0 0;
  }

  .beta-access-email span {
    grid-column: 1;
    grid-row: 1;
  }

  .beta-access-email strong {
    grid-column: 1;
    grid-row: 2;
    font-size: 23px;
  }

  .beta-access-email i {
    grid-column: 2;
    grid-row: 1 / 3;
    width: 48px;
    height: 48px;
  }

  .site-footer {
    padding: 40px 0 34px;
  }

  .footer-layout {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .footer-brand {
    margin-bottom: 0;
  }

  .copyright {
    grid-column: 1;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    text-align: left;
  }

  .footer-links {
    grid-template-columns: repeat(3, max-content);
    gap: 10px 20px;
  }
}

@media (max-width: 430px) {
  .brand-name {
    display: none;
  }

  .brand-wordmark {
    width: 154px;
  }

  .agent-window {
    height: 390px;
  }

  .context-node {
    width: 68px;
    height: 68px;
  }

  .node-agent {
    width: 104px;
    height: 104px;
  }

  .node-container { left: 12%; }
  .node-port { left: 88%; }

  .context-node strong {
    letter-spacing: .08em;
  }

  .node-agent strong {
    font-size: 9px;
  }

  .radar-b {
    width: 270px;
    height: 270px;
  }
}

@media (hover: none) {
  .runtime-steps li:hover,
  .principle-grid article:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .hero-port-photo {
    transform: scale(1.03);
  }
}


/*
 * Editorial information layout V6
 * Hero symbols match the published site; the two narrative sections rely on
 * hierarchy, rhythm and structure rather than illustrative iconography.
 */

/* Published hero symbol set. */
.symbol-container {
  width: 42px;
  height: 27px;
  border: 1px solid currentColor;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, transparent 0 5px, currentColor 5px 6px);
  box-shadow: none;
  transform: none;
}

.symbol-container::before,
.symbol-container::after {
  content: none;
}

.symbol-order {
  width: 36px;
  height: 29px;
  border: 0;
  border-radius: 0;
  background:
    linear-gradient(currentColor, currentColor) 0 0 / 9px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 0 0 / 1px 8px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 0 / 9px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 0 / 1px 8px no-repeat,
    linear-gradient(currentColor, currentColor) 0 100% / 9px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 0 100% / 1px 8px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 100% / 9px 1px no-repeat,
    linear-gradient(currentColor, currentColor) 100% 100% / 1px 8px no-repeat;
  box-shadow: none;
  transform: none;
}

.symbol-order::before {
  content: "01";
  position: absolute;
  z-index: auto;
  inset: 3px auto auto 6px;
  width: auto;
  height: auto;
  border: 0;
  color: currentColor;
  background: none;
  box-shadow: none;
  font: 800 7px/1 var(--font-mono);
  letter-spacing: .14em;
}

.symbol-order::after {
  content: "";
  position: absolute;
  z-index: auto;
  inset: 14px auto auto 6px;
  width: 24px;
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, currentColor 0 68%, transparent 68% 82%, currentColor 82%);
  box-shadow: 0 5px 0 rgba(86, 223, 255, .78), 0 10px 0 rgba(86, 223, 255, .48);
}

.symbol-port {
  width: 46px;
  height: 32px;
  border: 0;
  background: none;
  box-shadow: none;
  transform: none;
}

.symbol-port::before {
  content: "";
  position: absolute;
  z-index: auto;
  inset: 2px auto auto 6px;
  width: 32px;
  height: 16px;
  border: 1px solid currentColor;
  border-radius: 0;
  background:
    linear-gradient(currentColor, currentColor) 0 7px / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, transparent 0 7px, currentColor 7px 8px);
  box-shadow: none;
  filter: drop-shadow(0 0 5px rgba(86, 223, 255, .2));
  opacity: 1;
  transform: none;
}

.symbol-port::after {
  content: "";
  position: absolute;
  z-index: auto;
  inset: auto auto 0 0;
  width: 46px;
  height: 11px;
  border: 0;
  border-top: 2px solid currentColor;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  background: linear-gradient(180deg, rgba(86, 223, 255, .08), transparent);
  box-shadow: none;
  clip-path: polygon(0 0, 100% 0, 84% 100%, 18% 100%);
  opacity: 1;
  transform: none;
}

.symbol-approval {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 0;
  color: var(--amber);
  background: none;
  box-shadow: none;
  font-size: 0;
  transform: rotate(45deg);
}

.symbol-approval::before {
  content: none;
}

.symbol-approval::after {
  content: "✓";
  position: static;
  z-index: auto;
  display: block;
  inset: auto;
  width: auto;
  height: auto;
  border: 0;
  color: currentColor;
  background: none;
  box-shadow: none;
  filter: none;
  font: 800 17px/1 var(--font-mono);
  transform: rotate(-45deg);
}

.symbol-container .symbol-layer,
.symbol-order .symbol-layer,
.symbol-port .symbol-layer,
.symbol-approval .symbol-layer {
  display: none;
}

/* Runtime: one continuous editorial rail, with no pictograms. */
.runtime-steps {
  overflow: hidden;
  border: 1px solid rgba(16, 42, 56, .14);
  background: rgba(255, 255, 255, .42);
}

.runtime-steps li {
  --step-accent: #1677eb;
  min-height: 252px;
  display: flex;
  flex-direction: column;
  padding: 30px 32px 34px;
  border-right: 1px solid rgba(16, 42, 56, .12);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, .74), rgba(242, 247, 250, .48));
  transition: background-color .28s ease, color .28s ease;
}

.runtime-steps li:nth-child(2) { --step-accent: #24a5d6; }
.runtime-steps li:nth-child(3) { --step-accent: #1e8f78; }

.runtime-steps li::before {
  display: block;
  inset: 0 0 auto;
  height: 2px;
  opacity: .92;
  background: linear-gradient(90deg, var(--step-accent) 0 34%, color-mix(in srgb, var(--step-accent) 18%, transparent) 58%, transparent 82%);
  transform: scaleX(.34);
  transform-origin: left center;
  transition: transform .42s cubic-bezier(.2, .8, .2, 1);
}

.runtime-steps li::after {
  content: "";
  position: absolute;
  right: 24px;
  bottom: 24px;
  display: block;
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--step-accent) 50%, transparent));
  opacity: .7;
}

.runtime-steps li:hover {
  background: rgba(255, 255, 255, .86);
}

.runtime-steps li:hover::before {
  transform: scaleX(1);
}

.step-index {
  position: static;
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 12px;
  color: color-mix(in srgb, var(--step-accent) 82%, #2d4654 18%);
  font: 750 10px/1 var(--font-mono);
  letter-spacing: .16em;
}

.step-index::after {
  content: "";
  width: 32px;
  height: 1px;
  background: color-mix(in srgb, var(--step-accent) 42%, transparent);
}

.runtime-steps h3 {
  margin: auto 0 0;
  color: #0d151a;
  font-size: clamp(23px, 2vw, 29px);
  font-weight: 660;
  letter-spacing: -.035em;
  line-height: 1.12;
}

.runtime-steps p {
  max-width: 30ch;
  margin: 12px 0 0;
  color: #66737c;
  font-size: 14px;
  line-height: 1.65;
}

/* Trust: an ordered decision framework rather than four icon cards. */
.principle-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  overflow: hidden;
  border: 1px solid rgba(16, 42, 56, .14);
  background: rgba(255, 255, 255, .5);
}

.principle-grid::before,
.principle-grid::after {
  display: none;
}

.principle-grid article {
  --principle-color: #1677eb;
  min-height: 214px;
  display: flex;
  flex-direction: column;
  padding: 30px 34px 32px;
  border: 0;
  border-right: 1px solid rgba(16, 42, 56, .12);
  border-bottom: 1px solid rgba(16, 42, 56, .12);
  background:
    radial-gradient(circle at 92% 12%, color-mix(in srgb, var(--principle-color) 7%, transparent), transparent 34%),
    rgba(255, 255, 255, .66);
  box-shadow: none;
  transition: background-color .28s ease;
}

.principle-grid article:nth-child(2) { --principle-color: #24a5d6; }
.principle-grid article:nth-child(3) { --principle-color: #c98324; }
.principle-grid article:nth-child(4) { --principle-color: #1e8f78; }
.principle-grid article:nth-child(2n) { border-right: 0; }
.principle-grid article:nth-last-child(-n + 2) { border-bottom: 0; }

.principle-grid article::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, var(--principle-color), color-mix(in srgb, var(--principle-color) 18%, transparent), transparent);
  transform: scaleX(.42);
  transform-origin: left center;
  transition: transform .42s cubic-bezier(.2, .8, .2, 1);
}

.principle-grid article::after {
  display: none;
}

.principle-grid article.is-revealed,
.principle-grid article.is-revealed:nth-child(even),
.principle-grid article.is-revealed:hover,
.principle-grid article.is-revealed:nth-child(odd):hover,
.principle-grid article.is-revealed:nth-child(even):hover {
  transform: none;
}

.principle-grid article:hover {
  background-color: rgba(255, 255, 255, .92);
}

.principle-grid article:hover::before {
  transform: scaleX(1);
}

.principle-index {
  position: static;
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 12px;
  color: color-mix(in srgb, var(--principle-color) 76%, #304552 24%);
  font: 750 10px/1 var(--font-mono);
  letter-spacing: .16em;
}

.principle-index::after {
  content: "";
  width: 36px;
  height: 1px;
  background: color-mix(in srgb, var(--principle-color) 38%, transparent);
}

.principle-copy {
  margin-top: auto;
}

.principle-grid h3 {
  margin: 0;
  color: #0d151a;
  font-size: clamp(22px, 1.8vw, 27px);
  font-weight: 660;
  letter-spacing: -.03em;
  line-height: 1.12;
}

.principle-grid p {
  max-width: 34ch;
  margin: 11px 0 0;
  color: #66737c;
  font-size: 14px;
  line-height: 1.64;
}

@media (max-width: 980px) {
  .runtime-steps li {
    min-height: 210px;
    border-right: 0;
    border-bottom: 1px solid rgba(16, 42, 56, .12);
  }

  .runtime-steps li:last-child {
    border-bottom: 0;
  }

  .runtime-steps h3 {
    margin-top: 68px;
  }
}

@media (max-width: 720px) {
  .symbol-container,
  .symbol-order,
  .symbol-port {
    transform: scale(.78);
  }

  .symbol-approval {
    transform: rotate(45deg) scale(.78);
  }

  .runtime-steps li {
    min-height: 196px;
    padding: 26px 24px 28px;
  }

  .runtime-steps h3 {
    margin-top: 54px;
    font-size: 24px;
  }

  .principle-grid {
    grid-template-columns: 1fr;
  }

  .principle-grid article {
    min-height: 184px;
    padding: 26px 24px 28px;
    border-right: 0;
    border-bottom: 1px solid rgba(16, 42, 56, .12);
  }

  .principle-grid article:nth-last-child(-n + 2) {
    border-bottom: 1px solid rgba(16, 42, 56, .12);
  }

  .principle-grid article:last-child {
    border-bottom: 0;
  }

  .principle-grid h3 {
    font-size: 23px;
  }
}