:root {
  --navy-950: #03101f;
  --navy-900: #05162b;
  --navy-850: #08203b;
  --blue-600: #176bff;
  --blue-500: #2d7cff;
  --blue-400: #67a4ff;
  --cyan-500: #11c8d8;
  --cyan-300: #73ebf2;
  --amber-500: #f3b54a;
  --ink-950: #071426;
  --ink-800: #17243a;
  --ink-600: #52627a;
  --ink-500: #728097;
  --line: #dfe7f2;
  --line-blue: rgba(45, 124, 255, 0.22);
  --surface: #ffffff;
  --surface-soft: #f5f8fd;
  --surface-blue: #edf5ff;
  --shadow-sm: 0 10px 30px rgba(19, 53, 98, 0.08);
  --shadow-lg: 0 32px 80px rgba(17, 62, 128, 0.16);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --container: 1240px;
  --header-height: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink-950);
  background: #fff;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open {
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

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

img {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

p {
  line-height: 1.8;
}

.skip-link {
  position: fixed;
  z-index: 9999;
  top: 8px;
  left: 8px;
  padding: 10px 16px;
  color: #fff;
  background: var(--blue-600);
  border-radius: 8px;
  transform: translateY(-140%);
  transition: transform 180ms ease;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 112px 0;
  overflow: hidden;
}

.section--white {
  background: var(--surface);
}

.section--tint {
  background:
    radial-gradient(circle at 10% 0%, rgba(45, 124, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #f8fbff, #f1f6fc);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 26px;
  height: 2px;
  content: "";
  background: currentColor;
  box-shadow: 8px 0 18px currentColor;
}

.eyebrow--blue {
  color: var(--blue-600);
}

.eyebrow--cyan {
  color: var(--cyan-300);
}

.section-heading {
  margin-bottom: 54px;
}

.section-heading--center {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.split-heading h2,
.identity-home h2,
.fde-home h2,
.cta-section h2,
.page-hero h1,
.detail-section h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.section-heading p,
.split-heading p {
  color: var(--ink-600);
  font-size: 17px;
}

.split-heading {
  display: grid;
  grid-template-columns: 1fr minmax(360px, 0.85fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 54px;
}

.split-heading > div:last-child {
  padding-bottom: 5px;
}

.text-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--blue-600);
  font-weight: 700;
}

.text-link i {
  transition: transform 180ms ease;
}

.text-link:hover i {
  transform: translate(3px, -3px);
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 22px;
  gap: 10px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-500), #0e5be9);
  box-shadow: 0 12px 30px rgba(23, 107, 255, 0.26), inset 0 1px rgba(255, 255, 255, 0.25);
}

.button--primary:hover {
  box-shadow: 0 16px 40px rgba(23, 107, 255, 0.38), inset 0 1px rgba(255, 255, 255, 0.25);
}

.button--ghost {
  color: #eaf3ff;
  border-color: rgba(152, 195, 255, 0.36);
  background: rgba(8, 34, 68, 0.4);
  backdrop-filter: blur(12px);
}

.button--ghost:hover {
  border-color: rgba(152, 195, 255, 0.68);
  background: rgba(16, 56, 105, 0.58);
}

.button--light {
  color: var(--navy-950);
  background: #fff;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.button--large {
  min-height: 56px;
  padding-inline: 28px;
}

.site-header {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto;
  height: var(--header-height);
  color: #fff;
  border-bottom: 1px solid rgba(142, 180, 232, 0.12);
  transition: height 220ms ease, background 220ms ease, box-shadow 220ms ease, color 220ms ease;
}

.site-header::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(3, 16, 31, 0.88), rgba(3, 16, 31, 0.48));
  backdrop-filter: blur(16px);
}

.site-header.is-scrolled {
  height: 66px;
  box-shadow: 0 8px 30px rgba(1, 13, 30, 0.2);
}

.site-header.is-scrolled::before {
  background: rgba(3, 16, 31, 0.94);
}

.site-header__inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
}

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

.brand__mark {
  position: relative;
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  filter: drop-shadow(0 0 13px rgba(63, 150, 255, 0.36));
}

.brand__mark::before {
  position: absolute;
  width: 28px;
  height: 28px;
  content: "";
  background: radial-gradient(circle, rgba(60, 151, 255, 0.3), transparent 68%);
  border-radius: 50%;
}

.brand__mark svg {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.brand__orbit {
  fill: none;
  stroke: rgba(122, 196, 255, 0.32);
  stroke-width: 0.9;
  stroke-dasharray: 3 5;
  transform-box: fill-box;
  transform-origin: center;
}

.brand__star {
  transform-origin: 24px 20px;
}

.brand__star--secondary {
  opacity: 0.84;
}

.brand__token {
  fill: #fff;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.9));
}

.brand:hover .brand__orbit {
  animation: logoOrbit 7s linear infinite;
}

.brand:hover .brand__star {
  animation: logoPulse 1.8s ease-in-out infinite;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.08;
}

.brand__text strong {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand__text small {
  margin-top: 6px;
  color: rgba(217, 234, 255, 0.62);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

.site-nav a:not(.button) {
  position: relative;
  padding: 26px 0 24px;
  color: rgba(236, 245, 255, 0.78);
  font-size: 14px;
  transition: color 180ms ease;
}

.site-nav a:not(.button)::after {
  position: absolute;
  right: 50%;
  bottom: 16px;
  left: 50%;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-500));
  transition: left 180ms ease, right 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: #fff;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  right: 0;
  left: 0;
}

.site-nav .button {
  min-height: 40px;
  padding-inline: 17px;
  font-size: 13px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
}

.hero {
  position: relative;
  min-height: 820px;
  color: #fff;
  background: var(--navy-950);
  overflow: hidden;
}

.hero::after {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  left: 0;
  height: 180px;
  content: "";
  background: linear-gradient(180deg, transparent, rgba(2, 12, 25, 0.8));
  pointer-events: none;
}

.hero__background {
  position: absolute;
  z-index: 0;
  inset: 0;
  background:
    radial-gradient(circle at 70% 36%, rgba(31, 112, 255, 0.13), transparent 28%),
    linear-gradient(135deg, #020d1d, #04162d 62%, #03101f);
  transform: scale(1.02);
  animation: heroBreath 14s ease-in-out infinite alternate;
}

.hero__stars {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.7;
  pointer-events: none;
}

.hero__slides {
  position: relative;
  z-index: 3;
  min-height: 760px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  visibility: hidden;
  opacity: 0;
  transform: translateX(30px);
  pointer-events: none;
  transition: opacity 620ms ease, transform 680ms cubic-bezier(0.22, 1, 0.36, 1), visibility 620ms;
}

.hero-slide__backdrop {
  position: absolute;
  z-index: 0;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 13, 28, 0.98) 0%, rgba(2, 13, 28, 0.88) 29%, rgba(2, 13, 28, 0.28) 63%, rgba(2, 13, 28, 0.08) 100%),
    linear-gradient(180deg, rgba(2, 13, 28, 0.08) 55%, rgba(2, 13, 28, 0.82) 100%),
    var(--hero-image) center / cover no-repeat;
  opacity: 0;
  transform: scale(1.075);
  transition: opacity 720ms ease, transform 8s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.hero-slide__backdrop::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(rgba(91, 156, 235, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 156, 235, 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000, transparent 38%, transparent 78%, #000);
  opacity: 0.4;
}

.hero-slide.is-active {
  visibility: visible;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.hero-slide.is-active .hero-slide__backdrop {
  opacity: 1;
  transform: scale(1.015);
}

.hero-slide__inner {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 760px;
  padding-top: 118px;
  padding-bottom: 104px;
  align-items: center;
}

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

.hero-slide__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 24px;
  color: var(--cyan-300);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.hero-slide__eyebrow::before {
  width: 30px;
  height: 2px;
  content: "";
  background: var(--cyan-500);
  box-shadow: 0 0 15px var(--cyan-500);
}

.hero-slide h1 {
  margin-bottom: 24px;
  font-size: clamp(46px, 5vw, 70px);
  line-height: 1.14;
  letter-spacing: -0.05em;
  white-space: pre-line;
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.24);
}

.hero-slide__description {
  max-width: 600px;
  margin-bottom: 34px;
  color: rgba(225, 239, 255, 0.74);
  font-size: 17px;
}

.hero-slide__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-slide__visual {
  position: relative;
  display: grid;
  min-height: 540px;
  place-items: center;
}

.hero__controls {
  position: absolute;
  z-index: 8;
  right: 0;
  bottom: 48px;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero__tabs {
  display: flex;
  gap: 8px;
  align-items: center;
}

.hero-tab {
  position: relative;
  min-width: 142px;
  padding: 12px 16px 14px;
  color: rgba(221, 237, 255, 0.54);
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(154, 193, 244, 0.2);
  cursor: pointer;
  transition: color 180ms ease;
}

.hero-tab::after {
  position: absolute;
  right: 100%;
  bottom: -1px;
  left: 0;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-500));
}

.hero-tab.is-active {
  color: #fff;
}

.hero-tab.is-active::after {
  right: 0;
  animation: heroProgress 8s linear;
}

.hero-tab strong,
.hero-tab small {
  display: block;
}

.hero-tab strong {
  font-size: 13px;
}

.hero-tab small {
  margin-top: 4px;
  font-size: 9px;
  letter-spacing: 0.08em;
}

.hero__arrows {
  display: flex;
  gap: 8px;
}

.icon-button {
  display: grid;
  width: 44px;
  height: 44px;
  color: #fff;
  background: rgba(9, 37, 72, 0.72);
  border: 1px solid rgba(158, 199, 255, 0.26);
  border-radius: 50%;
  place-items: center;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.icon-button:hover {
  background: var(--blue-600);
  border-color: var(--blue-400);
  transform: translateY(-2px);
}

.hero__scroll-hint {
  position: absolute;
  z-index: 8;
  right: 24px;
  bottom: 156px;
  display: flex;
  gap: 10px;
  align-items: center;
  color: rgba(214, 232, 255, 0.42);
  font-size: 9px;
  letter-spacing: 0.16em;
  transform: rotate(90deg);
  transform-origin: right center;
}

.hero__scroll-hint i {
  animation: scrollHint 1.8s ease-in-out infinite;
}

/* Hero visual: identity */
.identity-visual,
.platform-visual {
  position: relative;
  width: min(540px, 100%);
  aspect-ratio: 1;
}

.identity-visual__ring,
.platform-visual__ring {
  position: absolute;
  inset: 50%;
  border: 1px solid rgba(79, 157, 255, 0.35);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: inset 0 0 35px rgba(13, 107, 255, 0.05), 0 0 24px rgba(39, 119, 255, 0.08);
}

.identity-visual__ring--1,
.platform-visual__ring--1 { width: 92%; height: 92%; animation: spin 28s linear infinite; }
.identity-visual__ring--2,
.platform-visual__ring--2 { width: 70%; height: 70%; animation: spinReverse 22s linear infinite; }
.identity-visual__ring--3,
.platform-visual__ring--3 { width: 48%; height: 48%; animation: spin 18s linear infinite; }

.identity-visual__ring::before,
.identity-visual__ring::after,
.platform-visual__ring::before,
.platform-visual__ring::after {
  position: absolute;
  width: 7px;
  height: 7px;
  content: "";
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 12px 3px var(--cyan-500);
}

.identity-visual__ring::before,
.platform-visual__ring::before { top: -4px; left: 48%; }
.identity-visual__ring::after,
.platform-visual__ring::after { right: -4px; bottom: 36%; }

.identity-visual__core,
.platform-visual__core {
  position: absolute;
  z-index: 4;
  inset: 50%;
  display: grid;
  width: 158px;
  height: 158px;
  color: #fff;
  background:
    radial-gradient(circle at 35% 28%, rgba(133, 231, 255, 0.62), transparent 22%),
    linear-gradient(145deg, rgba(29, 122, 255, 0.92), rgba(9, 46, 125, 0.92));
  border: 1px solid rgba(139, 221, 255, 0.68);
  border-radius: 50%;
  place-content: center;
  text-align: center;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 24px rgba(42, 126, 255, 0.8), 0 0 90px rgba(26, 100, 239, 0.5), inset 0 0 25px rgba(255, 255, 255, 0.2);
  animation: corePulse 3.5s ease-in-out infinite;
}

.identity-visual__core i,
.platform-visual__core i {
  margin-bottom: 8px;
  font-size: 32px;
}

.identity-visual__core strong,
.platform-visual__core strong {
  display: block;
  font-size: 18px;
}

.identity-visual__core small,
.platform-visual__core small {
  display: block;
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.visual-node {
  position: absolute;
  z-index: 5;
  display: grid;
  min-width: 86px;
  padding: 11px 12px;
  gap: 4px;
  color: #eaf5ff;
  text-align: center;
  background: rgba(5, 29, 59, 0.78);
  border: 1px solid rgba(82, 168, 255, 0.45);
  border-radius: 14px;
  box-shadow: 0 0 30px rgba(27, 120, 244, 0.14), inset 0 0 16px rgba(45, 124, 255, 0.08);
  backdrop-filter: blur(14px);
}

.visual-node i {
  color: var(--cyan-300);
  font-size: 20px;
}

.visual-node span {
  font-size: 11px;
  font-weight: 700;
}

.visual-node::before {
  position: absolute;
  z-index: -1;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(93, 182, 255, 0.72));
  transform-origin: left center;
}

.node--top { top: 2%; left: 50%; transform: translateX(-50%); }
.node--top-right { top: 18%; right: 2%; }
.node--right { top: 50%; right: -3%; transform: translateY(-50%); }
.node--bottom-right { right: 9%; bottom: 10%; }
.node--bottom { bottom: 0; left: 50%; transform: translateX(-50%); }
.node--bottom-left { bottom: 10%; left: 9%; }
.node--left { top: 50%; left: -3%; transform: translateY(-50%); }
.node--top-left { top: 18%; left: 2%; }

.verified-badge {
  position: absolute;
  z-index: 8;
  right: 2%;
  bottom: 2%;
  display: flex;
  padding: 10px 14px;
  gap: 9px;
  align-items: center;
  color: #dffdf9;
  background: rgba(5, 46, 58, 0.82);
  border: 1px solid rgba(76, 231, 210, 0.34);
  border-radius: 999px;
  backdrop-filter: blur(12px);
}

.verified-badge i {
  color: #57e5ce;
}

.verified-badge span {
  font-size: 11px;
}

/* Hero visual: platform */
.platform-visual__core {
  width: 166px;
  height: 166px;
}

.platform-visual .visual-node {
  min-width: 92px;
}

/* Hero visual: FDE */
.fde-visual {
  position: relative;
  width: min(620px, 100%);
  min-height: 440px;
  padding: 32px;
}

.fde-visual__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(76, 145, 230, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 145, 230, 0.13) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
}

.fde-visual__path {
  position: absolute;
  top: 50%;
  left: 5%;
  width: 88%;
  height: 5px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-500));
  border-radius: 10px;
  box-shadow: 0 0 24px rgba(33, 174, 255, 0.7);
  transform: translateY(-50%) rotate(-9deg);
}

.fde-visual__path::after {
  position: absolute;
  top: 50%;
  right: -3px;
  width: 14px;
  height: 14px;
  content: "";
  border-top: 3px solid var(--cyan-300);
  border-right: 3px solid var(--cyan-300);
  transform: translateY(-50%) rotate(45deg);
}

.fde-step {
  position: absolute;
  z-index: 3;
  display: grid;
  width: 104px;
  min-height: 88px;
  padding: 11px;
  color: #fff;
  background: rgba(4, 27, 55, 0.84);
  border: 1px solid rgba(82, 168, 255, 0.42);
  border-radius: 15px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22), inset 0 0 20px rgba(45, 124, 255, 0.08);
  backdrop-filter: blur(12px);
}

.fde-step small {
  color: var(--cyan-300);
  font-size: 10px;
  font-weight: 800;
}

.fde-step strong {
  font-size: 13px;
}

.fde-step span {
  color: rgba(224, 239, 255, 0.6);
  font-size: 9px;
}

.fde-step--1 { top: 54%; left: 3%; }
.fde-step--2 { top: 38%; left: 22%; }
.fde-step--3 { top: 22%; left: 42%; }
.fde-step--4 { top: 9%; left: 62%; }
.fde-step--5 { top: 0; right: 0; }

.fde-visual__signal {
  position: absolute;
  right: 5%;
  bottom: 4%;
  color: rgba(112, 217, 255, 0.58);
  font-size: 90px;
  animation: float 4.5s ease-in-out infinite;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.challenge-card {
  position: relative;
  min-height: 232px;
  padding: 28px 22px 24px;
  background: linear-gradient(180deg, #fff, #f9fbfe);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 26px rgba(37, 72, 120, 0.04);
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
  overflow: hidden;
}

.challenge-card::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -70%;
  width: 52%;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(67, 143, 255, 0.12), transparent);
  transform: skewX(-18deg);
  pointer-events: none;
}

.challenge-card.is-visible::before {
  animation: cardScan 6.5s ease-in-out calc(var(--delay, 0ms) + 800ms) infinite;
}

.challenge-card:hover {
  border-color: rgba(45, 124, 255, 0.34);
  box-shadow: var(--shadow-sm);
  transform: translateY(-6px);
}

.challenge-card__index {
  position: absolute;
  top: 18px;
  right: 18px;
  color: #dbe6f5;
  font-size: 12px;
  font-weight: 800;
}

.challenge-card > i {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 26px;
  color: var(--blue-600);
  background: var(--surface-blue);
  border-radius: 15px;
  place-items: center;
  font-size: 25px;
}

.challenge-card.is-visible > i {
  animation: iconBreathe 4s ease-in-out calc(var(--delay, 0ms) + 400ms) infinite;
}

.challenge-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.challenge-card p {
  margin-bottom: 0;
  color: var(--ink-600);
  font-size: 13px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 52px;
}

.product-card {
  position: relative;
  min-height: 430px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(205, 220, 240, 0.86);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 240ms ease, box-shadow 240ms ease;
}

.product-card::before {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  content: "";
  background: radial-gradient(circle, rgba(56, 126, 255, 0.14), transparent 66%);
  pointer-events: none;
}

.product-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(120deg, transparent 28%, rgba(77, 150, 255, 0.1) 46%, transparent 64%);
  opacity: 0;
  transform: translateX(-65%);
  pointer-events: none;
}

.product-card.is-visible::after {
  animation: surfaceSweep 8s ease-in-out 1.2s infinite;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-7px);
}

.product-card__top {
  display: flex;
  margin-bottom: 28px;
  align-items: center;
  justify-content: space-between;
}

.product-card__icon {
  display: grid;
  width: 54px;
  height: 54px;
  color: var(--blue-600);
  background: var(--surface-blue);
  border: 1px solid rgba(45, 124, 255, 0.18);
  border-radius: 16px;
  place-items: center;
  font-size: 25px;
}

.product-card.is-visible .product-card__icon {
  animation: iconBreathe 4.6s ease-in-out infinite;
}

.product-card:nth-child(2).is-visible .product-card__icon { animation-delay: 350ms; }
.product-card:nth-child(3).is-visible .product-card__icon { animation-delay: 700ms; }
.product-card:nth-child(4).is-visible .product-card__icon { animation-delay: 1050ms; }

.product-card--knowledge .product-card__icon { color: #008f88; background: #eafbf8; }
.product-card--meeting .product-card__icon { color: #6847d9; background: #f1edff; }
.product-card--finance .product-card__icon { color: #e68b16; background: #fff6e8; }

.product-card__tag {
  color: #9aabc0;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.product-card h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.product-card p {
  min-height: 78px;
  color: var(--ink-600);
  font-size: 13px;
}

.product-card ul {
  margin: 18px 0 0;
  padding: 17px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.product-card li {
  position: relative;
  margin: 8px 0;
  padding-left: 15px;
  color: #47566d;
  font-size: 12px;
}

.product-card li::before {
  position: absolute;
  top: 8px;
  left: 0;
  width: 5px;
  height: 5px;
  content: "";
  background: var(--blue-500);
  border-radius: 50%;
}

.mini-knowledge,
.mini-agent,
.mini-wave,
.mini-chart {
  position: absolute;
  right: 22px;
  bottom: 18px;
  left: 22px;
  height: 52px;
  opacity: 0.72;
}

.mini-knowledge {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  align-items: end;
}

.mini-knowledge span {
  height: var(--h, 50%);
  background: linear-gradient(180deg, rgba(0, 165, 157, 0.4), rgba(0, 165, 157, 0.08));
  border: 1px solid rgba(0, 165, 157, 0.22);
  border-radius: 5px 5px 2px 2px;
}

.mini-knowledge span:nth-child(1) { --h: 58%; }
.mini-knowledge span:nth-child(2) { --h: 84%; }
.mini-knowledge span:nth-child(3) { --h: 68%; }
.mini-knowledge span:nth-child(4) { --h: 96%; }

.product-card.is-visible .mini-knowledge span {
  animation: knowledgeRise 2.4s ease-in-out infinite alternate;
}

.product-card.is-visible .mini-knowledge span:nth-child(2) { animation-delay: 280ms; }
.product-card.is-visible .mini-knowledge span:nth-child(3) { animation-delay: 520ms; }
.product-card.is-visible .mini-knowledge span:nth-child(4) { animation-delay: 760ms; }

.mini-agent {
  display: grid;
  place-items: center;
}

.mini-agent__core {
  z-index: 2;
  display: grid;
  width: 35px;
  height: 35px;
  color: #fff;
  background: var(--blue-600);
  border-radius: 50%;
  place-items: center;
}

.mini-agent__orbit {
  position: absolute;
  border: 1px solid rgba(45, 124, 255, 0.32);
  border-radius: 50%;
}

.mini-agent__orbit--1 { width: 90px; height: 40px; transform: rotate(12deg); }
.mini-agent__orbit--2 { width: 118px; height: 50px; transform: rotate(-12deg); }

.product-card.is-visible .mini-agent__orbit--1 { animation: miniOrbit 5s linear infinite; }
.product-card.is-visible .mini-agent__orbit--2 { animation: miniOrbitReverse 6.4s linear infinite; }
.product-card.is-visible .mini-agent__core { animation: miniCorePulse 2.6s ease-in-out infinite; }

.mini-wave {
  display: flex;
  gap: 5px;
  align-items: center;
  justify-content: center;
}

.mini-wave i {
  width: 4px;
  height: var(--h, 20px);
  background: linear-gradient(180deg, #795bda, #c7baff);
  border-radius: 8px;
  animation: wave 1.8s ease-in-out infinite alternate;
}

.mini-wave i:nth-child(2n) { --h: 34px; animation-delay: 180ms; }
.mini-wave i:nth-child(3n) { --h: 46px; animation-delay: 320ms; }

.mini-chart {
  display: flex;
  gap: 7px;
  align-items: end;
  border-bottom: 1px solid rgba(226, 144, 31, 0.28);
}

.mini-chart i {
  width: 17%;
  height: var(--h, 40%);
  background: linear-gradient(180deg, #f0a037, #ffe1b7);
  border-radius: 4px 4px 0 0;
}

.mini-chart i:nth-child(1) { --h: 30%; }
.mini-chart i:nth-child(2) { --h: 48%; }
.mini-chart i:nth-child(3) { --h: 66%; }
.mini-chart i:nth-child(4) { --h: 92%; }

.integration {
  position: relative;
  padding: 32px;
  background: #fff;
  border: 1px solid rgba(188, 210, 238, 0.8);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.integration::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(49, 127, 255, 0.055), transparent);
  transform: translateX(-100%);
  pointer-events: none;
}

.integration.is-visible::before {
  animation: integrationSweep 5.8s ease-in-out 700ms infinite;
}

.integration__head {
  display: grid;
  margin-bottom: 20px;
  grid-template-columns: 0.7fr 1.6fr 0.7fr;
  gap: 40px;
  color: var(--blue-600);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.integration__body {
  display: grid;
  grid-template-columns: 0.72fr 90px 1.7fr 90px 0.72fr;
  gap: 16px;
  align-items: center;
}

.integration__column {
  display: grid;
  gap: 8px;
}

.integration__column span {
  padding: 9px 10px;
  color: #52627a;
  text-align: center;
  background: #f7faff;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 11px;
}

.integration__core {
  padding: 24px;
  background: linear-gradient(180deg, #f9fcff, #edf5ff);
  border: 1px solid rgba(45, 124, 255, 0.38);
  border-radius: 14px;
  box-shadow: inset 0 0 30px rgba(45, 124, 255, 0.05);
}

.integration__core strong {
  display: block;
  margin-bottom: 18px;
  color: var(--blue-600);
  text-align: center;
  font-size: 13px;
}

.integration__core > div {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.integration__core > div span {
  padding: 11px 6px;
  color: var(--ink-800);
  text-align: center;
  background: #fff;
  border: 1px solid rgba(196, 215, 240, 0.9);
  border-radius: 8px;
  font-size: 11px;
}

.integration__core small {
  display: block;
  margin-top: 12px;
  padding: 9px;
  color: #63738a;
  text-align: center;
  background: rgba(45, 124, 255, 0.07);
  border-radius: 7px;
  font-size: 10px;
}

.integration__flow {
  position: relative;
  display: grid;
  gap: 23px;
}

.integration__flow i {
  position: relative;
  height: 1px;
  background: linear-gradient(90deg, var(--blue-500), rgba(45, 124, 255, 0.12));
  background-size: 180% 100%;
  animation: lineCurrent 1.7s linear infinite;
}

.integration__flow i::before {
  position: absolute;
  top: -3px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--cyan-500);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan-500);
  animation: dataFlow 2.2s linear infinite;
}

.integration__flow i::after {
  position: absolute;
  top: -2px;
  left: 0;
  width: 5px;
  height: 5px;
  content: "";
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 8px #fff;
  animation: dataFlow 2.2s linear 1.1s infinite;
}

.integration__flow i:nth-child(2)::before,
.integration__flow i:nth-child(2)::after { animation-delay: 360ms; }
.integration__flow i:nth-child(3)::before,
.integration__flow i:nth-child(3)::after { animation-delay: 720ms; }

.integration__flow--out i {
  background: linear-gradient(90deg, rgba(45, 124, 255, 0.12), var(--blue-500));
}

.fde-home {
  color: #fff;
  background:
    radial-gradient(circle at 72% 20%, rgba(23, 107, 255, 0.18), transparent 34%),
    linear-gradient(135deg, #03101f, #07203e 58%, #041426);
}

.fde-home::before {
  position: absolute;
  top: -180px;
  right: -80px;
  width: 520px;
  height: 520px;
  content: "";
  border: 1px solid rgba(86, 161, 255, 0.16);
  border-radius: 50%;
  box-shadow: 0 0 80px rgba(23, 107, 255, 0.12);
}

.fde-home__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(84, 153, 237, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(84, 153, 237, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
}

.fde-home__intro {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: center;
}

.fde-home__intro p {
  max-width: 660px;
  margin-bottom: 28px;
  color: rgba(220, 237, 255, 0.68);
  font-size: 17px;
}

.fde-orbit {
  position: relative;
  min-height: 240px;
}

.fde-orbit__globe {
  position: absolute;
  top: 50%;
  left: 18%;
  display: grid;
  width: 118px;
  height: 118px;
  color: var(--cyan-300);
  background: radial-gradient(circle, rgba(32, 130, 219, 0.34), rgba(5, 32, 63, 0.72));
  border: 1px solid rgba(102, 191, 255, 0.34);
  border-radius: 50%;
  place-items: center;
  font-size: 54px;
  transform: translateY(-50%);
  box-shadow: 0 0 44px rgba(23, 107, 255, 0.28);
}

.fde-orbit__line {
  position: absolute;
  top: 50%;
  left: 35%;
  width: 50%;
  height: 1px;
  background: linear-gradient(90deg, rgba(41, 148, 255, 0.72), rgba(79, 225, 232, 0.1));
  transform: rotate(-14deg);
}

.fde-orbit__satellite {
  position: absolute;
  top: 25%;
  right: 7%;
  color: #fff;
  font-size: 66px;
  text-shadow: 0 0 25px rgba(64, 195, 255, 0.68);
  animation: float 4s ease-in-out infinite;
}

.fde-values {
  display: grid;
  margin-top: 72px;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(124, 174, 233, 0.2);
}

.fde-value {
  position: relative;
  min-height: 190px;
  padding: 30px 26px;
  border-right: 1px solid rgba(124, 174, 233, 0.15);
}

.fde-value > span {
  position: absolute;
  top: 22px;
  right: 22px;
  color: rgba(125, 183, 255, 0.24);
  font-size: 24px;
  font-weight: 800;
}

.fde-value > i {
  color: var(--cyan-300);
  font-size: 30px;
}

.fde-value.is-visible > i {
  animation: signalPulse 3.2s ease-in-out infinite;
}

.fde-value:nth-child(2).is-visible > i { animation-delay: 260ms; }
.fde-value:nth-child(3).is-visible > i { animation-delay: 520ms; }
.fde-value:nth-child(4).is-visible > i { animation-delay: 780ms; }

.fde-value h3 {
  margin: 18px 0 8px;
  font-size: 18px;
}

.fde-value p {
  margin-bottom: 0;
  color: rgba(220, 237, 255, 0.58);
  font-size: 13px;
}

.identity-home__layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(480px, 1.14fr);
  gap: 100px;
  align-items: center;
}

.identity-home__copy > p {
  margin-bottom: 28px;
  color: var(--ink-600);
  font-size: 17px;
}

.identity-home__features {
  display: grid;
  margin-bottom: 30px;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.identity-home__features span {
  display: flex;
  gap: 9px;
  align-items: center;
  color: #33445d;
  font-size: 13px;
  font-weight: 700;
}

.identity-home__features i {
  color: var(--blue-600);
  font-size: 19px;
}

.identity-passport {
  position: relative;
  min-height: 470px;
  padding: 34px;
  color: #eaf5ff;
  background:
    radial-gradient(circle at 100% 0%, rgba(25, 128, 255, 0.22), transparent 32%),
    linear-gradient(145deg, #061a34, #03101f);
  border: 1px solid rgba(89, 160, 248, 0.34);
  border-radius: 28px;
  box-shadow: 0 35px 80px rgba(10, 46, 100, 0.26);
  overflow: hidden;
}

.identity-passport::before,
.identity-passport::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(61, 153, 255, 0.17);
  border-radius: 50%;
}

.identity-passport::before { width: 340px; height: 340px; right: -150px; bottom: -180px; }
.identity-passport::after { width: 240px; height: 240px; right: -100px; bottom: -130px; }

.identity-passport__glow {
  position: absolute;
  top: 42%;
  left: 45%;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(45, 124, 255, 0.2), transparent 65%);
  transform: translate(-50%, -50%);
}

.identity-passport__header,
.identity-passport__person,
.identity-passport__scope,
.identity-passport__meta,
.identity-passport__timeline {
  position: relative;
  z-index: 2;
}

.identity-passport__header {
  display: flex;
  padding-bottom: 22px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(131, 180, 235, 0.18);
}

.identity-passport__header > span {
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.07em;
}

.identity-passport__header > span i {
  margin-right: 8px;
  color: var(--cyan-300);
}

.identity-passport__header b {
  display: flex;
  padding: 7px 10px;
  gap: 7px;
  align-items: center;
  color: #7cf1dd;
  background: rgba(30, 187, 155, 0.1);
  border: 1px solid rgba(64, 219, 191, 0.18);
  border-radius: 999px;
  font-size: 10px;
}

.identity-passport__header b i {
  width: 6px;
  height: 6px;
  background: #52e5ca;
  border-radius: 50%;
  box-shadow: 0 0 10px #52e5ca;
}

.identity-passport__person {
  display: grid;
  margin: 28px 0 26px;
  grid-template-columns: 68px 1fr auto;
  gap: 16px;
  align-items: center;
}

.identity-passport__avatar {
  display: grid;
  width: 68px;
  height: 68px;
  color: #fff;
  background: linear-gradient(145deg, var(--blue-500), #13b9c5);
  border-radius: 20px;
  place-items: center;
  font-size: 32px;
  box-shadow: 0 0 28px rgba(45, 124, 255, 0.35);
}

.identity-passport__person small,
.identity-passport__person strong,
.identity-passport__person em {
  display: block;
}

.identity-passport__person small {
  color: rgba(216, 233, 255, 0.48);
  font-size: 10px;
}

.identity-passport__person strong {
  margin: 4px 0;
  font-size: 17px;
}

.identity-passport__person em {
  color: rgba(216, 233, 255, 0.48);
  font-size: 10px;
  font-style: normal;
}

.identity-passport__person > i {
  color: var(--amber-500);
  font-size: 30px;
  filter: drop-shadow(0 0 12px rgba(243, 181, 74, 0.42));
}

.identity-passport__scope {
  display: grid;
  margin-bottom: 26px;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.identity-passport__scope span {
  padding: 10px 7px;
  color: #b9d5fa;
  text-align: center;
  background: rgba(37, 93, 157, 0.18);
  border: 1px solid rgba(100, 161, 230, 0.18);
  border-radius: 8px;
  font-size: 10px;
}

.identity-passport__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.identity-passport__meta p {
  margin: 0;
}

.identity-passport__meta small,
.identity-passport__meta strong {
  display: block;
}

.identity-passport__meta small {
  margin-bottom: 5px;
  color: rgba(216, 233, 255, 0.42);
  font-size: 9px;
}

.identity-passport__meta strong {
  font-size: 11px;
}

.identity-passport__timeline {
  display: flex;
  margin-top: 30px;
  align-items: center;
}

.identity-passport__timeline::before {
  width: 100%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, #31dfc3, var(--blue-500), rgba(45, 124, 255, 0.2));
}

.identity-passport__timeline i {
  position: absolute;
  width: 9px;
  height: 9px;
  background: #62e4d1;
  border: 2px solid #0c2949;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(98, 228, 209, 0.7);
}

.identity-passport__timeline i:nth-child(1) { left: 0; }
.identity-passport__timeline i:nth-child(2) { left: 32%; }
.identity-passport__timeline i:nth-child(3) { left: 64%; }
.identity-passport__timeline i:nth-child(4) { right: 0; background: var(--amber-500); }

.identity-passport__timeline span {
  position: absolute;
  left: 0;
  width: 14px;
  height: 14px;
  background: radial-gradient(circle, #fff 0 18%, #55e9db 24% 42%, transparent 48%);
  filter: drop-shadow(0 0 8px #55e9db);
  transform: translateX(-50%);
}

.identity-passport.is-visible .identity-passport__timeline span {
  animation: passportFlow 4.4s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.authorization-flow {
  position: relative;
  display: grid;
  margin-top: 72px;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
}

.authorization-flow article {
  text-align: center;
}

.authorization-flow article > span {
  display: grid;
  width: 58px;
  height: 58px;
  margin: 0 auto 14px;
  color: var(--blue-600);
  background: var(--surface-blue);
  border: 1px solid rgba(45, 124, 255, 0.2);
  border-radius: 50%;
  place-items: center;
  font-size: 23px;
}

.authorization-flow.is-visible article > span {
  animation: flowNodePulse 4.5s ease-in-out infinite;
}

.authorization-flow.is-visible article:nth-of-type(2) > span { animation-delay: 650ms; }
.authorization-flow.is-visible article:nth-of-type(3) > span { animation-delay: 1300ms; }
.authorization-flow.is-visible article:nth-of-type(4) > span { animation-delay: 1950ms; }
.authorization-flow.is-visible article:nth-of-type(5) > span { animation-delay: 2600ms; }

.authorization-flow strong,
.authorization-flow small {
  display: block;
}

.authorization-flow strong {
  margin-bottom: 6px;
  font-size: 14px;
}

.authorization-flow small {
  color: var(--ink-500);
  font-size: 10px;
}

.authorization-flow > i {
  color: #abc4e4;
}

.authorization-flow.is-visible > i {
  animation: flowArrow 1.5s ease-in-out infinite;
}

.authorization-flow.is-visible > i:nth-of-type(2) { animation-delay: 280ms; }
.authorization-flow.is-visible > i:nth-of-type(3) { animation-delay: 560ms; }
.authorization-flow.is-visible > i:nth-of-type(4) { animation-delay: 840ms; }

.delivery-steps {
  position: relative;
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(6, 1fr);
  list-style: none;
}

.delivery-steps::before {
  position: absolute;
  top: 51px;
  right: 8%;
  left: 8%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, rgba(45, 124, 255, 0.18), var(--blue-500), rgba(45, 124, 255, 0.18));
}

.delivery-steps::after {
  position: absolute;
  z-index: 3;
  top: 46px;
  left: 8%;
  width: 11px;
  height: 11px;
  content: "";
  background: #6ce8ed;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(46, 198, 235, 0.85);
  opacity: 0;
}

.delivery-steps.is-visible::after {
  animation: deliveryFlow 6.2s ease-in-out 500ms infinite;
}

.delivery-steps li {
  position: relative;
  padding: 0 14px;
  text-align: center;
}

.delivery-steps li > span {
  position: absolute;
  top: 16px;
  right: 18px;
  color: #d8e4f3;
  font-size: 11px;
  font-weight: 800;
}

.delivery-steps li > i {
  position: relative;
  z-index: 2;
  display: grid;
  width: 72px;
  height: 72px;
  margin: 15px auto 22px;
  color: var(--blue-600);
  background: #fff;
  border: 1px solid rgba(45, 124, 255, 0.22);
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(31, 79, 146, 0.1);
  place-items: center;
  font-size: 27px;
}

.delivery-steps.is-visible li > i {
  animation: deliveryNode 6.2s ease-in-out infinite;
}

.delivery-steps.is-visible li:nth-child(2) > i { animation-delay: 1.02s; }
.delivery-steps.is-visible li:nth-child(3) > i { animation-delay: 2.04s; }
.delivery-steps.is-visible li:nth-child(4) > i { animation-delay: 3.06s; }
.delivery-steps.is-visible li:nth-child(5) > i { animation-delay: 4.08s; }
.delivery-steps.is-visible li:nth-child(6) > i { animation-delay: 5.1s; }

.delivery-steps h3 {
  margin-bottom: 7px;
  font-size: 15px;
}

.delivery-steps p {
  margin-bottom: 0;
  color: var(--ink-500);
  font-size: 11px;
}

.principles__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.principles__grid article {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.principles__grid article:hover {
  border-color: rgba(45, 124, 255, 0.32);
  box-shadow: var(--shadow-sm);
  transform: translateY(-5px);
}

.principles__grid i {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  color: var(--cyan-500);
  background: #eefcfc;
  border-radius: 15px;
  place-items: center;
  font-size: 25px;
}

.principles__grid article.is-visible i {
  animation: iconBreathe 4s ease-in-out infinite;
}

.principles__grid h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.principles__grid p {
  margin-bottom: 0;
  color: var(--ink-600);
  font-size: 13px;
}

.cta-section {
  position: relative;
  padding: 100px 0;
  color: #fff;
  background: var(--navy-950);
  overflow: hidden;
}

.cta-section__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3, 16, 31, 0.94), rgba(3, 16, 31, 0.55)),
    url("assets/images/hero-network-horizon.webp") center 70% / cover no-repeat;
  opacity: 0.78;
}

.cta-section__content {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-section h2 {
  margin-bottom: 16px;
}

.cta-section p {
  max-width: 680px;
  margin: 0 auto 28px;
  color: rgba(220, 237, 255, 0.7);
}

.site-footer {
  color: rgba(223, 237, 255, 0.68);
  background: #020c18;
  border-top: 1px solid rgba(109, 163, 228, 0.12);
}

.site-footer__main {
  display: grid;
  padding: 68px 0 48px;
  grid-template-columns: 1.3fr repeat(3, 0.75fr) 1fr;
  gap: 46px;
}

.site-footer .brand {
  color: #fff;
}

.site-footer__about p {
  max-width: 290px;
  margin: 20px 0 0;
  color: rgba(213, 229, 248, 0.5);
  font-size: 12px;
}

.site-footer h3 {
  margin-bottom: 18px;
  color: #fff;
  font-size: 13px;
}

.site-footer__links {
  display: grid;
  gap: 11px;
}

.site-footer__links a,
.site-footer__links span {
  color: rgba(218, 234, 254, 0.56);
  font-size: 12px;
  transition: color 180ms ease;
}

.site-footer__links a:hover {
  color: #fff;
}

.site-footer__contact p {
  display: flex;
  margin: 8px 0;
  gap: 9px;
  align-items: flex-start;
  color: rgba(218, 234, 254, 0.58);
  font-size: 12px;
}

.site-footer__contact i {
  color: var(--cyan-300);
}

.site-footer__bottom {
  display: flex;
  padding: 20px 0 26px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(109, 163, 228, 0.1);
  color: rgba(218, 234, 254, 0.36);
  font-size: 10px;
}

.site-footer__bottom-links {
  display: flex;
  gap: 20px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease var(--delay, 0ms), transform 700ms cubic-bezier(0.22, 1, 0.36, 1) var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 404 page */
.not-found-page {
  min-height: 100vh;
  background: var(--navy-950);
}

.not-found-hero {
  position: relative;
  min-height: 820px;
  padding: 158px 0 86px;
  color: #fff;
  background: #020d1d;
  overflow: hidden;
  isolation: isolate;
}

.not-found-hero__background {
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 13, 29, 0.97) 0%, rgba(2, 13, 29, 0.76) 46%, rgba(2, 13, 29, 0.45) 100%),
    radial-gradient(circle at 72% 42%, rgba(20, 118, 255, 0.32), transparent 32%),
    url("assets/images/hero-network-horizon.webp") center bottom / cover no-repeat;
  transform: scale(1.02);
  animation: heroBreath 10s ease-in-out infinite alternate;
}

.not-found-hero__background::after {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(95, 163, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95, 163, 255, 0.035) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: linear-gradient(to bottom, transparent 4%, #000 40%, transparent 95%);
  mask-image: linear-gradient(to bottom, transparent 4%, #000 40%, transparent 95%);
}

.not-found-hero .hero__stars {
  z-index: -1;
}

.not-found-hero__layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  gap: 68px;
  align-items: center;
}

.not-found-hero__content {
  max-width: 610px;
}

.not-found-hero__content h1 {
  margin-bottom: 24px;
  font-size: clamp(48px, 5.5vw, 74px);
  line-height: 1.12;
  letter-spacing: -0.055em;
  text-shadow: 0 18px 52px rgba(0, 0, 0, 0.34);
}

.not-found-hero__content p {
  max-width: 580px;
  margin-bottom: 34px;
  color: rgba(218, 234, 254, 0.7);
  font-size: 16px;
}

.not-found-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.not-found-hero__actions .button--ghost {
  color: #fff;
  border-color: rgba(142, 193, 255, 0.34);
  background: rgba(7, 31, 60, 0.38);
  backdrop-filter: blur(14px);
}

.not-found-hero__actions .button--ghost:hover {
  border-color: rgba(115, 235, 242, 0.7);
  background: rgba(10, 51, 92, 0.68);
}

.not-found-visual {
  position: relative;
  display: grid;
  min-height: 470px;
  place-items: center;
}

.not-found-visual::before {
  position: absolute;
  width: 390px;
  height: 390px;
  content: "";
  background: radial-gradient(circle, rgba(35, 127, 255, 0.2), rgba(12, 78, 172, 0.06) 48%, transparent 70%);
  border-radius: 50%;
  filter: blur(8px);
}

.not-found-visual__number {
  position: relative;
  z-index: 1;
  color: rgba(72, 150, 255, 0.04);
  font-size: clamp(160px, 17vw, 250px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.09em;
  -webkit-text-stroke: 1px rgba(112, 184, 255, 0.38);
  text-shadow: 0 0 46px rgba(30, 120, 255, 0.2);
  animation: notFoundNumberPulse 4.6s ease-in-out infinite;
}

.not-found-visual__core {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  width: 142px;
  height: 142px;
  padding: 20px;
  place-content: center;
  text-align: center;
  border: 1px solid rgba(103, 190, 255, 0.52);
  border-radius: 50%;
  background: radial-gradient(circle at 38% 30%, rgba(30, 114, 211, 0.82), rgba(3, 24, 50, 0.94) 68%);
  box-shadow: 0 0 0 8px rgba(46, 131, 255, 0.05), 0 0 58px rgba(37, 129, 255, 0.38), inset 0 0 26px rgba(95, 211, 255, 0.16);
  transform: translate(-50%, -50%);
  animation: notFoundCorePulse 3.2s ease-in-out infinite;
}

.not-found-visual__core i {
  margin-bottom: 6px;
  color: var(--cyan-300);
  font-size: 34px;
  filter: drop-shadow(0 0 9px rgba(115, 235, 242, 0.62));
}

.not-found-visual__core strong,
.not-found-visual__core small {
  display: block;
}

.not-found-visual__core strong {
  font-size: 13px;
}

.not-found-visual__core small {
  margin-top: 4px;
  color: rgba(188, 217, 249, 0.5);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.not-found-visual__orbit {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(72, 157, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.not-found-visual__orbit::before,
.not-found-visual__orbit::after {
  position: absolute;
  top: 50%;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--cyan-300);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(115, 235, 242, 0.95), 0 0 28px rgba(45, 124, 255, 0.62);
}

.not-found-visual__orbit::before {
  left: -4px;
}

.not-found-visual__orbit::after {
  right: -4px;
}

.not-found-visual__orbit--outer {
  width: 460px;
  height: 460px;
  border-style: dashed;
  animation: spin 28s linear infinite;
}

.not-found-visual__orbit--inner {
  width: 324px;
  height: 324px;
  border-color: rgba(45, 124, 255, 0.42);
  box-shadow: inset 0 0 38px rgba(31, 107, 232, 0.08);
  animation: spinReverse 18s linear infinite;
}

.not-found-visual__signal {
  position: absolute;
  z-index: 4;
  width: 11px;
  height: 11px;
  border: 2px solid rgba(122, 222, 255, 0.84);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(55, 174, 255, 0.86);
  animation: notFoundSignal 2.8s ease-in-out infinite;
}

.not-found-visual__signal--one {
  top: 22%;
  right: 18%;
}

.not-found-visual__signal--two {
  bottom: 20%;
  left: 16%;
  animation-delay: 1.1s;
}

.not-found-routes {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 38px;
}

.not-found-routes > a {
  display: grid;
  min-width: 0;
  padding: 17px 18px;
  grid-template-columns: 46px 1fr auto;
  gap: 13px;
  align-items: center;
  border: 1px solid rgba(120, 178, 245, 0.16);
  border-radius: 16px;
  background: rgba(6, 29, 57, 0.56);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(18px);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.not-found-routes > a:hover {
  border-color: rgba(87, 202, 241, 0.44);
  background: rgba(8, 43, 82, 0.74);
  box-shadow: 0 16px 40px rgba(0, 4, 17, 0.2), inset 0 1px rgba(255, 255, 255, 0.05);
  transform: translateY(-4px);
}

.not-found-routes > a > i {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: var(--cyan-300);
  border: 1px solid rgba(91, 186, 255, 0.28);
  border-radius: 13px;
  background: rgba(37, 116, 220, 0.14);
  font-size: 22px;
}

.not-found-routes span,
.not-found-routes strong,
.not-found-routes small {
  display: block;
}

.not-found-routes strong {
  margin-bottom: 5px;
  font-size: 13px;
}

.not-found-routes small {
  color: rgba(205, 227, 252, 0.5);
  font-size: 10px;
}

.not-found-routes b {
  color: rgba(111, 181, 255, 0.65);
  font-size: 17px;
  font-weight: 400;
  transition: color 180ms ease, transform 180ms ease;
}

.not-found-routes > a:hover b {
  color: var(--cyan-300);
  transform: translate(2px, -2px);
}

/* Interior pages */
.page-hero {
  position: relative;
  min-height: 520px;
  padding: 160px 0 90px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(3, 16, 31, 0.96), rgba(3, 16, 31, 0.62)),
    url("assets/images/hero-network-horizon.webp") center / cover no-repeat;
  overflow: hidden;
}

.page-hero::after {
  position: absolute;
  right: -160px;
  bottom: -280px;
  width: 620px;
  height: 620px;
  content: "";
  border: 1px solid rgba(81, 164, 255, 0.28);
  border-radius: 50%;
  box-shadow: 0 0 90px rgba(23, 107, 255, 0.18);
}

.page-hero__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.page-hero h1 {
  margin-bottom: 20px;
  font-size: clamp(46px, 6vw, 74px);
}

.page-hero p {
  max-width: 720px;
  color: rgba(224, 239, 255, 0.72);
  font-size: 18px;
}

.page-hero__actions {
  display: flex;
  margin-top: 32px;
  gap: 14px;
  flex-wrap: wrap;
}

.detail-section {
  padding: 96px 0;
}

.detail-section--tint {
  background: var(--surface-soft);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.detail-card {
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 28px rgba(27, 66, 120, 0.05);
}

.detail-card > i {
  display: grid;
  width: 54px;
  height: 54px;
  margin-bottom: 24px;
  color: var(--blue-600);
  background: var(--surface-blue);
  border-radius: 15px;
  place-items: center;
  font-size: 26px;
}

.detail-card h3 {
  margin-bottom: 12px;
}

.detail-card p {
  margin-bottom: 0;
  color: var(--ink-600);
  font-size: 14px;
}

.detail-card ul {
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.detail-card li {
  position: relative;
  margin: 8px 0;
  padding-left: 16px;
  color: var(--ink-600);
  font-size: 13px;
}

.detail-card li::before {
  position: absolute;
  top: 8px;
  left: 0;
  width: 5px;
  height: 5px;
  content: "";
  background: var(--cyan-500);
  border-radius: 50%;
}

.content-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.content-layout__sticky {
  position: sticky;
  top: 110px;
}

.content-layout__sticky p {
  color: var(--ink-600);
}

.content-stack {
  display: grid;
  gap: 16px;
}

.content-stack article {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.content-stack article span {
  color: var(--blue-600);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.content-stack article h3 {
  margin: 10px 0;
}

.content-stack article p {
  margin: 0;
  color: var(--ink-600);
  font-size: 14px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
}

.contact-options {
  display: grid;
  gap: 14px;
}

.contact-option {
  display: flex;
  padding: 20px;
  gap: 16px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.contact-option i {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  color: var(--blue-600);
  background: var(--surface-blue);
  border-radius: 12px;
  place-items: center;
  font-size: 22px;
}

.contact-option strong,
.contact-option small {
  display: block;
}

.contact-option small {
  margin-top: 4px;
  color: var(--ink-500);
}

.contact-form {
  padding: 36px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.contact-form button[disabled] {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.contact-form button[disabled] i {
  animation: logoOrbit 900ms linear infinite;
}

.form-field label {
  font-size: 13px;
  font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink-950);
  background: #f9fbfe;
  border: 1px solid #dbe5f1;
  border-radius: 9px;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.form-field textarea {
  min-height: 130px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 4px rgba(45, 124, 255, 0.1);
}

.form-note {
  margin: 14px 0 0;
  color: var(--ink-500);
  font-size: 11px;
}

.form-note a {
  margin-inline: 3px;
  color: var(--blue-600);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.toast {
  position: fixed;
  z-index: 2000;
  right: 24px;
  bottom: 24px;
  max-width: 360px;
  padding: 15px 18px;
  color: #fff;
  background: rgba(3, 25, 51, 0.95);
  border: 1px solid rgba(93, 169, 255, 0.36);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes heroBreath {
  from { transform: scale(1.02); filter: brightness(0.9); }
  to { transform: scale(1.055); filter: brightness(1.05); }
}

@keyframes heroProgress {
  from { right: 100%; }
  to { right: 0; }
}

@keyframes corePulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 24px rgba(42, 126, 255, 0.75), 0 0 80px rgba(26, 100, 239, 0.4), inset 0 0 25px rgba(255, 255, 255, 0.2); }
  50% { transform: translate(-50%, -50%) scale(1.035); box-shadow: 0 0 34px rgba(42, 126, 255, 0.92), 0 0 110px rgba(26, 100, 239, 0.56), inset 0 0 30px rgba(255, 255, 255, 0.24); }
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes spinReverse {
  to { transform: translate(-50%, -50%) rotate(-360deg); }
}

@keyframes notFoundNumberPulse {
  0%, 100% { opacity: 0.48; filter: brightness(0.82); }
  50% { opacity: 1; filter: brightness(1.2); }
}

@keyframes notFoundCorePulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 0 8px rgba(46, 131, 255, 0.05), 0 0 58px rgba(37, 129, 255, 0.38), inset 0 0 26px rgba(95, 211, 255, 0.16); }
  50% { transform: translate(-50%, -50%) scale(1.045); box-shadow: 0 0 0 12px rgba(46, 131, 255, 0.06), 0 0 82px rgba(37, 161, 255, 0.52), inset 0 0 32px rgba(95, 226, 255, 0.22); }
}

@keyframes notFoundSignal {
  0%, 100% { opacity: 0.4; transform: scale(0.72); }
  50% { opacity: 1; transform: scale(1.16); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes wave {
  from { transform: scaleY(0.72); opacity: 0.65; }
  to { transform: scaleY(1.08); opacity: 1; }
}

@keyframes dataFlow {
  from { left: 0; }
  to { left: calc(100% - 7px); }
}

@keyframes logoOrbit {
  to { transform: rotate(360deg); }
}

@keyframes logoPulse {
  0%, 100% { opacity: 0.88; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.045); }
}

@keyframes cardScan {
  0%, 58% { left: -70%; opacity: 0; }
  64% { opacity: 1; }
  83%, 100% { left: 125%; opacity: 0; }
}

@keyframes surfaceSweep {
  0%, 58% { opacity: 0; transform: translateX(-65%); }
  64% { opacity: 1; }
  82%, 100% { opacity: 0; transform: translateX(65%); }
}

@keyframes iconBreathe {
  0%, 100% { transform: translateY(0); box-shadow: 0 0 0 rgba(45, 124, 255, 0); }
  50% { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(45, 124, 255, 0.13); }
}

@keyframes knowledgeRise {
  from { transform: scaleY(0.72); opacity: 0.55; }
  to { transform: scaleY(1); opacity: 1; }
}

@keyframes miniOrbit {
  from { transform: rotate(12deg); }
  to { transform: rotate(372deg); }
}

@keyframes miniOrbitReverse {
  from { transform: rotate(-12deg); }
  to { transform: rotate(-372deg); }
}

@keyframes miniCorePulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 rgba(45, 124, 255, 0); }
  50% { transform: scale(1.08); box-shadow: 0 0 20px rgba(45, 124, 255, 0.35); }
}

@keyframes integrationSweep {
  0%, 12% { transform: translateX(-100%); }
  58%, 100% { transform: translateX(100%); }
}

@keyframes lineCurrent {
  to { background-position: -180% 0; }
}

@keyframes signalPulse {
  0%, 100% { opacity: 0.72; transform: scale(1); filter: drop-shadow(0 0 0 rgba(87, 224, 239, 0)); }
  50% { opacity: 1; transform: scale(1.09); filter: drop-shadow(0 0 10px rgba(87, 224, 239, 0.55)); }
}

@keyframes passportFlow {
  0% { left: 0; opacity: 0; }
  8%, 90% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

@keyframes flowNodePulse {
  0%, 18%, 100% { color: var(--blue-600); background: var(--surface-blue); box-shadow: 0 0 0 rgba(45, 124, 255, 0); transform: scale(1); }
  9% { color: #fff; background: var(--blue-600); box-shadow: 0 0 0 8px rgba(45, 124, 255, 0.09), 0 12px 28px rgba(45, 124, 255, 0.2); transform: scale(1.08); }
}

@keyframes flowArrow {
  0%, 100% { color: #abc4e4; opacity: 0.45; transform: translateX(-3px); }
  50% { color: var(--cyan-500); opacity: 1; transform: translateX(4px); filter: drop-shadow(0 0 6px rgba(24, 198, 216, 0.5)); }
}

@keyframes deliveryFlow {
  0% { left: 8%; opacity: 0; }
  6%, 94% { opacity: 1; }
  100% { left: 92%; opacity: 0; }
}

@keyframes deliveryNode {
  0%, 16%, 100% { color: var(--blue-600); border-color: rgba(45, 124, 255, 0.22); transform: scale(1); box-shadow: 0 10px 28px rgba(31, 79, 146, 0.1); }
  8% { color: #fff; background: var(--blue-600); border-color: var(--blue-500); transform: scale(1.08); box-shadow: 0 0 0 9px rgba(45, 124, 255, 0.09), 0 16px 34px rgba(31, 93, 183, 0.24); }
}

@keyframes verticalDataFlow {
  from { top: 0; }
  to { top: calc(100% - 7px); }
}

@keyframes scrollHint {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

@media (max-width: 1180px) {
  :root { --container: 1060px; }
  .site-nav { gap: 20px; }
  .hero-slide__inner { grid-template-columns: minmax(0, 0.92fr) minmax(430px, 1.08fr); gap: 28px; }
  .challenge-grid { grid-template-columns: repeat(3, 1fr); }
  .challenge-card:nth-child(4), .challenge-card:nth-child(5) { grid-column: span 1; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card { min-height: 390px; }
  .identity-home__layout { gap: 55px; }
  .site-footer__main { grid-template-columns: 1.2fr repeat(3, 0.7fr); }
  .site-footer__contact { grid-column: 1 / -1; }
}

@media (max-width: 992px) {
  :root { --header-height: 68px; }
  .container { width: min(calc(100% - 36px), 900px); }
  .section { padding: 88px 0; }
  .nav-toggle { display: grid; place-items: center; }
  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    padding: 24px;
    gap: 0;
    align-content: start;
    color: #fff;
    background: rgba(2, 13, 28, 0.98);
    opacity: 0;
    transform: translateY(-14px);
    visibility: hidden;
    transition: opacity 220ms ease, transform 220ms ease, visibility 220ms;
  }
  .site-nav.is-open { opacity: 1; transform: translateY(0); visibility: visible; }
  .site-nav a:not(.button) { padding: 18px 6px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); font-size: 16px; }
  .site-nav a:not(.button)::after { display: none; }
  .site-nav .button { margin-top: 22px; min-height: 48px; }
  .hero { min-height: 780px; }
  .hero__slides { min-height: 730px; }
  .hero-slide__inner { min-height: 730px; padding-top: 120px; padding-bottom: 140px; }
  .hero-slide__content { max-width: 720px; }
  .hero-slide__backdrop { background-position: 62% center; }
  .hero__scroll-hint { display: none; }
  .split-heading { grid-template-columns: 1fr; gap: 12px; }
  .integration__body { grid-template-columns: 0.72fr 50px 1.7fr 50px 0.72fr; }
  .fde-home__intro { grid-template-columns: 1fr 0.65fr; gap: 30px; }
  .identity-home__layout { grid-template-columns: 1fr; }
  .identity-home__copy { max-width: 700px; }
  .identity-passport { max-width: 680px; width: 100%; margin-inline: auto; }
  .authorization-flow { grid-template-columns: repeat(5, 1fr); gap: 8px; }
  .authorization-flow > i { display: none; }
  .delivery-steps { grid-template-columns: repeat(3, 1fr); row-gap: 36px; }
  .delivery-steps::before, .delivery-steps::after { display: none; }
  .principles__grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
  .content-layout, .contact-layout { grid-template-columns: 1fr; gap: 42px; }
  .content-layout__sticky { position: static; }
  .not-found-hero { min-height: auto; padding-bottom: 76px; }
  .not-found-hero__layout { grid-template-columns: 1fr; gap: 16px; }
  .not-found-hero__content { max-width: 720px; }
  .not-found-visual { min-height: 360px; }
  .not-found-visual__orbit--outer { width: 350px; height: 350px; }
  .not-found-visual__orbit--inner { width: 260px; height: 260px; }
}

@media (max-width: 767px) {
  .container { width: min(calc(100% - 32px), 680px); }
  .section { padding: 72px 0; }
  .brand { gap: 9px; }
  .brand__mark { width: 37px; height: 37px; }
  .brand__text strong { font-size: 15px; }
  .brand__text small { margin-top: 4px; font-size: 8px; }
  .hero { min-height: 760px; }
  .hero::after { height: 120px; }
  .hero__background {
    background:
      radial-gradient(circle at 68% 35%, rgba(31, 112, 255, 0.12), transparent 30%),
      linear-gradient(135deg, #020d1d, #04162d 62%, #03101f);
    animation: none;
  }
  .hero__slides { min-height: 710px; }
  .hero-slide__inner { min-height: 710px; padding-top: 112px; padding-bottom: 150px; align-items: flex-start; }
  .hero-slide__backdrop {
    background:
      linear-gradient(180deg, rgba(2, 13, 28, 0.86) 0%, rgba(2, 13, 28, 0.68) 48%, rgba(2, 13, 28, 0.82) 100%),
      linear-gradient(90deg, rgba(2, 13, 28, 0.62), rgba(2, 13, 28, 0.18)),
      var(--hero-image) 68% center / cover no-repeat;
  }
  .hero-slide__eyebrow { margin-bottom: 16px; font-size: 10px; }
  .hero-slide h1 { margin-bottom: 18px; font-size: clamp(34px, 10vw, 46px); }
  .hero-slide__description { margin-bottom: 24px; font-size: 14px; }
  .hero-slide__actions { gap: 10px; }
  .button { min-height: 46px; padding-inline: 17px; font-size: 13px; }
  .hero__controls { bottom: 30px; display: block; }
  .hero__tabs { display: grid; grid-template-columns: repeat(3, 1fr); }
  .hero-tab { min-width: 0; padding: 10px 5px; text-align: center; }
  .hero-tab small { display: none; }
  .hero__arrows { display: none; }
  .fde-visual { min-height: 300px; padding: 10px; }
  .fde-step { width: 84px; min-height: 70px; padding: 8px; }
  .fde-step span { display: none; }
  .fde-step--1 { top: 58%; left: 0; }
  .fde-step--2 { top: 43%; left: 20%; }
  .fde-step--3 { top: 28%; left: 40%; }
  .fde-step--4 { top: 13%; left: 60%; }
  .fde-step--5 { right: 0; }
  .challenge-grid { grid-template-columns: 1fr; }
  .challenge-card { min-height: auto; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 390px; }
  .integration { padding: 22px 16px; }
  .integration__head { display: none; }
  .integration__body { grid-template-columns: 1fr; gap: 14px; }
  .integration__flow { height: 28px; justify-content: center; }
  .integration__flow i { width: 1px; height: 100%; background: linear-gradient(180deg, var(--blue-500), rgba(45, 124, 255, 0.12)); }
  .integration__flow i:not(:first-child) { display: none; }
  .integration__flow i::before { top: 0; left: -3px; animation: verticalDataFlow 1.8s linear infinite; }
  .integration__flow i::after { top: 0; left: -2px; animation: verticalDataFlow 1.8s linear 900ms infinite; }
  .integration__column { grid-template-columns: repeat(3, 1fr); }
  .integration__core > div { grid-template-columns: repeat(2, 1fr); }
  .fde-home__intro { grid-template-columns: 1fr; }
  .fde-orbit { display: none; }
  .fde-values { grid-template-columns: 1fr 1fr; }
  .fde-value { min-height: 172px; }
  .identity-home__layout { gap: 48px; }
  .identity-passport { min-height: auto; padding: 24px 18px; border-radius: 20px; }
  .identity-passport__person { grid-template-columns: 56px 1fr auto; }
  .identity-passport__avatar { width: 56px; height: 56px; border-radius: 16px; }
  .identity-passport__scope { grid-template-columns: repeat(2, 1fr); }
  .identity-passport__meta { grid-template-columns: 1fr; gap: 8px; }
  .authorization-flow { grid-template-columns: 1fr; gap: 18px; }
  .authorization-flow article { display: grid; grid-template-columns: 58px 1fr; grid-template-rows: auto auto; column-gap: 16px; text-align: left; }
  .authorization-flow article > span { grid-row: 1 / 3; margin: 0; }
  .authorization-flow strong { align-self: end; }
  .delivery-steps { grid-template-columns: 1fr 1fr; }
  .principles__grid { grid-template-columns: 1fr; }
  .site-footer__main { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .site-footer__about { grid-column: 1 / -1; }
  .site-footer__contact { grid-column: 1 / -1; }
  .site-footer__bottom { display: grid; gap: 14px; }
  .page-hero { min-height: 470px; padding: 135px 0 72px; }
  .page-hero h1 { font-size: 44px; }
  .detail-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field--full { grid-column: auto; }
  .contact-form { padding: 24px 18px; border-radius: 20px; }
  .not-found-hero { padding: 126px 0 64px; }
  .not-found-hero__background {
    background:
      linear-gradient(180deg, rgba(2, 13, 29, 0.92), rgba(2, 13, 29, 0.7)),
      radial-gradient(circle at 68% 40%, rgba(20, 118, 255, 0.28), transparent 36%),
      url("assets/images/hero-network-horizon.webp") 64% bottom / cover no-repeat;
    animation: none;
  }
  .not-found-hero__content h1 { font-size: clamp(39px, 11vw, 52px); }
  .not-found-hero__content p { margin-bottom: 28px; font-size: 14px; }
  .not-found-visual { min-height: 300px; }
  .not-found-visual::before { width: 270px; height: 270px; }
  .not-found-visual__number { font-size: clamp(122px, 36vw, 180px); }
  .not-found-visual__core { width: 108px; height: 108px; padding: 12px; }
  .not-found-visual__core i { margin-bottom: 3px; font-size: 25px; }
  .not-found-visual__core strong { font-size: 11px; }
  .not-found-visual__core small { font-size: 6px; }
  .not-found-visual__orbit--outer { width: 282px; height: 282px; }
  .not-found-visual__orbit--inner { width: 210px; height: 210px; }
  .not-found-routes { grid-template-columns: 1fr; margin-top: 24px; }
}

@media (max-width: 479px) {
  .hero { min-height: 730px; }
  .hero__slides { min-height: 680px; }
  .hero-slide__inner { min-height: 680px; }
  .fde-values { grid-template-columns: 1fr; }
  .delivery-steps { grid-template-columns: 1fr; }
  .identity-home__features { grid-template-columns: 1fr; }
  .site-footer__main { grid-template-columns: 1fr; }
  .site-footer__about, .site-footer__contact { grid-column: auto; }
  .not-found-hero__actions { display: grid; }
  .not-found-hero__actions .button { width: 100%; }
  .not-found-visual { min-height: 270px; }
  .not-found-visual__orbit--outer { width: 250px; height: 250px; }
  .not-found-visual__orbit--inner { width: 185px; height: 185px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  .hero__stars { display: none; }
  .reveal { opacity: 1; transform: none; }
}