:root {
  --paper: #f4f8f5;
  --surface: #fbfdfb;
  --surface-glass: rgba(251, 253, 251, 0.76);
  --surface-soft: #eaf3ed;
  --ink: #13221b;
  --ink-soft: #334b40;
  --muted: #66776e;
  --line: #d3e2da;
  --line-strong: #a8c0b4;
  --accent: #197553;
  --accent-deep: #0d5b40;
  --accent-ink: #103e2d;
  --accent-soft: #d9efe4;
  --accent-haze: #edf7f1;
  --white: #fbfdfb;
  --radius: 8px;
  --container: 1680px;
  --header-height: 72px;
  color-scheme: light;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

main section[id] {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
select {
  color: inherit;
  font: inherit;
  letter-spacing: 0;
}

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

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 76%, white);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 6px;
  background: var(--accent);
  color: var(--white);
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 240px 1fr auto;
  align-items: center;
  min-height: var(--header-height);
  padding: 0 max(24px, calc((100vw - var(--container)) / 2));
  border-bottom: 1px solid rgba(168, 192, 180, 0.58);
  background: rgba(244, 248, 245, 0.76);
  color: var(--ink);
  backdrop-filter: blur(18px) saturate(145%);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
  transition: background 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  background: rgba(251, 253, 251, 0.93);
  box-shadow: 0 10px 34px rgba(45, 79, 64, 0.08);
}

.brand-placeholder {
  display: inline-flex;
  align-items: center;
  width: max-content;
}

.brand-placeholder > span:last-child {
  display: grid;
  line-height: 1.1;
}

.brand-placeholder strong {
  font-size: 14px;
  font-weight: 750;
}

.brand-placeholder small {
  margin-top: 5px;
  color: var(--accent);
  font-size: 9px;
  font-weight: 650;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  min-width: 0;
  font-size: 13px;
}

.primary-nav a,
.header-actions .text-link {
  color: var(--ink-soft);
  transition: color 160ms ease;
}

.primary-nav a:hover,
.header-actions .text-link:hover {
  color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 12px;
}

.menu-button {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 23px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1), background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

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

.button:active {
  transform: translateY(1px) scale(0.99);
}

.button-small {
  min-height: 38px;
  padding: 0 16px;
  font-size: 12px;
}

.button-dark,
.button-primary,
.button-accent {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(25, 117, 83, 0.2);
}

.button-dark:hover,
.button-primary:hover,
.button-accent:hover {
  background: var(--accent-deep);
  box-shadow: 0 14px 30px rgba(25, 117, 83, 0.26);
}

.button-secondary,
.button-light,
.button-ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.7);
  color: var(--accent-ink);
  backdrop-filter: blur(12px);
}

.button-secondary:hover,
.button-light:hover,
.button-ghost:hover {
  border-color: var(--accent);
  background: var(--white);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: max(660px, calc(100dvh - 88px));
  overflow: hidden;
  isolation: isolate;
  padding: calc(var(--header-height) + 68px) max(24px, calc((100vw - var(--container)) / 2)) 122px;
  background: var(--surface);
}

.hero::before {
  position: absolute;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  z-index: 1;
  width: min(67%, 1240px);
  background: linear-gradient(90deg, var(--surface) 0%, rgba(251, 253, 251, 0.98) 58%, rgba(251, 253, 251, 0) 100%);
  content: "";
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(870px, 62vw);
  max-width: 870px;
  margin-left: clamp(48px, 6vw, 112px);
}

.hero h1 {
  max-width: 870px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(58px, 5.35vw, 88px);
  font-weight: 720;
  line-height: 1.05;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero h1 span {
  color: var(--accent);
}

.hero-content > p {
  max-width: 620px;
  margin: 26px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-visual {
  position: absolute;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  left: 43%;
  z-index: 0;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.16) 10%, black 32%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.16) 10%, black 32%);
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 68% center;
  filter: saturate(0.88) contrast(1.08);
  transform: scale(1.035);
  transition: object-position 900ms cubic-bezier(0.16, 1, 0.3, 1), filter 900ms ease, transform 900ms cubic-bezier(0.16, 1, 0.3, 1);
}

.hero[data-hero-active="supply"] .hero-visual img {
  object-position: 76% center;
  filter: saturate(0.76) contrast(1.12);
  transform: scale(1.075) translateX(-1.5%);
}

.hero[data-hero-active="enterprise"] .hero-visual img {
  object-position: 84% center;
  filter: saturate(0.66) contrast(1.15);
  transform: scale(1.1) translateX(-2.5%);
}

.hero-switcher {
  position: absolute;
  right: max(24px, calc((100vw - var(--container)) / 2));
  bottom: 38px;
  left: max(24px, calc((100vw - var(--container)) / 2 + 112px));
  z-index: 4;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  width: min(480px, calc(100% - 48px));
}

.hero-switcher button {
  display: grid;
  flex: 1;
  gap: 9px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  text-align: left;
  transition: color 180ms ease;
}

.hero-switcher button > span {
  display: block;
  width: 100%;
  height: 2px;
  overflow: hidden;
  background: var(--line);
}

.hero-switcher button > span::after {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
}

.hero-switcher button strong {
  overflow: hidden;
  font-size: 11px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-switcher button:hover,
.hero-switcher button[aria-selected="true"] {
  color: var(--ink);
}

.hero-switcher button[aria-selected="true"] > span::after {
  transform: scaleX(1);
}

@media (prefers-reduced-motion: no-preference) {
  .hero-switcher button[aria-selected="true"] > span::after {
    animation: hero-progress 7s linear both;
  }
}

@keyframes hero-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.relay-stage {
  --relay-x: 0px;
  --relay-y: 0px;
  position: relative;
  width: min(760px, 100%);
  min-height: 610px;
  justify-self: end;
  isolation: isolate;
  perspective: 1000px;
}

.relay-stage::before,
.relay-stage::after {
  position: absolute;
  z-index: 0;
  content: "";
  pointer-events: none;
  transform: translate3d(calc(var(--relay-x) * 0.42), calc(var(--relay-y) * 0.42), 0);
  transition: transform 360ms cubic-bezier(0.16, 1, 0.3, 1);
}

.relay-stage::before {
  inset: 28px 0 12px 16px;
  background:
    linear-gradient(112deg, transparent 0 13%, rgba(25, 117, 83, 0.12) 13.2% 13.45%, transparent 13.7% 100%),
    linear-gradient(28deg, transparent 0 34%, rgba(25, 117, 83, 0.11) 34.15% 34.45%, transparent 34.7% 100%),
    linear-gradient(152deg, transparent 0 58%, rgba(25, 117, 83, 0.1) 58.2% 58.55%, transparent 58.75% 100%),
    radial-gradient(circle at 24% 22%, rgba(25, 117, 83, 0.24) 0 2px, transparent 2.5px),
    radial-gradient(circle at 74% 34%, rgba(25, 117, 83, 0.22) 0 2px, transparent 2.5px),
    radial-gradient(circle at 40% 72%, rgba(25, 117, 83, 0.2) 0 2px, transparent 2.5px),
    radial-gradient(circle at 82% 76%, rgba(25, 117, 83, 0.18) 0 2px, transparent 2.5px);
  opacity: 0.86;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 92%, transparent);
}

.relay-stage::after {
  top: 118px;
  right: 16px;
  width: 360px;
  height: 360px;
  border: 1px solid rgba(25, 117, 83, 0.1);
  border-radius: 50%;
  background:
    conic-gradient(from 18deg, transparent 0 17deg, rgba(25, 117, 83, 0.2) 18deg 19deg, transparent 20deg 92deg, rgba(25, 117, 83, 0.13) 93deg 94deg, transparent 95deg 100%),
    radial-gradient(circle, transparent 0 44%, rgba(25, 117, 83, 0.08) 44.3% 44.7%, transparent 45% 100%);
  opacity: 0.76;
}

.relay-field {
  position: absolute;
  z-index: 1;
  inset: 60px 40px 44px 84px;
  border: 1px solid rgba(25, 117, 83, 0.14);
  background:
    linear-gradient(90deg, transparent 0 31px, rgba(25, 117, 83, 0.055) 32px 33px, transparent 34px 100%),
    linear-gradient(0deg, transparent 0 35px, rgba(25, 117, 83, 0.045) 36px 37px, transparent 38px 100%),
    linear-gradient(145deg, rgba(251, 253, 251, 0.76), rgba(217, 239, 228, 0.33) 58%, rgba(251, 253, 251, 0.42));
  background-size: 64px 64px, 72px 72px, auto;
  clip-path: polygon(10% 0, 100% 0, 100% 82%, 84% 100%, 0 100%, 0 16%);
  transform: translate3d(var(--relay-x), var(--relay-y), 0);
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.relay-field::before,
.relay-field::after {
  position: absolute;
  border: 1px solid rgba(25, 117, 83, 0.12);
  content: "";
  pointer-events: none;
}

.relay-field::before {
  top: 76px;
  right: 62px;
  width: 154px;
  height: 86px;
  border-bottom: 0;
  border-left: 0;
}

.relay-field::after {
  bottom: 64px;
  left: 56px;
  width: 136px;
  height: 74px;
  border-top: 0;
  border-right: 0;
}

.relay-orbit {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(25, 117, 83, 0.24);
  border-bottom-color: transparent;
  border-left-color: transparent;
  border-radius: 50%;
  pointer-events: none;
}

.relay-orbit::after {
  position: absolute;
  top: -1px;
  left: 18%;
  width: 42px;
  height: 1px;
  background: var(--accent);
  content: "";
  opacity: 0.72;
}

.relay-orbit-a {
  top: 92px;
  left: 58px;
  width: 570px;
  height: 365px;
  transform: rotate(-15deg);
}

.relay-orbit-b {
  right: 34px;
  bottom: 74px;
  width: 360px;
  height: 248px;
  transform: rotate(34deg);
}

.relay-core {
  position: absolute;
  top: 50%;
  left: 49%;
  z-index: 8;
  display: grid;
  place-items: center;
  width: 152px;
  height: 152px;
  isolation: isolate;
  overflow: hidden;
  transform: translate3d(calc(-50% + var(--relay-x)), calc(-50% + var(--relay-y)), 0);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--white);
  box-shadow:
    0 24px 54px rgba(25, 117, 83, 0.28),
    inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  transition: transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.relay-core::before {
  position: absolute;
  inset: 11px;
  z-index: 0;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background:
    linear-gradient(90deg, transparent 0 23px, rgba(255, 255, 255, 0.12) 24px 25px, transparent 26px 100%),
    linear-gradient(0deg, transparent 0 23px, rgba(255, 255, 255, 0.12) 24px 25px, transparent 26px 100%);
  background-size: 32px 32px;
  content: "";
}

.relay-core::after {
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: -18px;
  z-index: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.76);
  content: "";
}

.relay-core span,
.relay-core small {
  position: relative;
  z-index: 1;
  font-size: 10px;
  font-weight: 650;
}

.relay-core span {
  align-self: end;
  opacity: 0.72;
}

.relay-core strong {
  position: relative;
  z-index: 1;
  align-self: center;
  font-size: 48px;
  line-height: 1;
}

.relay-core small {
  align-self: start;
  opacity: 0.72;
}

.glass-card {
  --mx: 50%;
  --my: 50%;
  --rx: 0deg;
  --ry: 0deg;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius);
  background: var(--surface-glass);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    0 18px 44px rgba(42, 91, 68, 0.12);
  backdrop-filter: blur(22px) saturate(145%);
  -webkit-backdrop-filter: blur(22px) saturate(145%);
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform 260ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 260ms ease, border-color 260ms ease;
}

.glass-card::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at var(--mx) var(--my), rgba(255, 255, 255, 0.92), color-mix(in srgb, var(--accent-soft) 28%, transparent) 32%, transparent 62%);
  opacity: 0.58;
  content: "";
  pointer-events: none;
  transition: opacity 180ms ease;
}

.glass-card:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.94),
    0 24px 58px rgba(42, 91, 68, 0.18);
}

.glass-card:hover::before {
  opacity: 0.9;
}

.relay-card {
  position: absolute;
  z-index: 6;
  display: grid;
  align-content: center;
  width: 238px;
  min-height: 154px;
  padding: 22px 24px;
  color: var(--ink-soft);
}

.relay-card::after {
  position: absolute;
  inset: 12px;
  z-index: -1;
  border: 1px solid rgba(25, 117, 83, 0.08);
  background:
    linear-gradient(90deg, rgba(25, 117, 83, 0.16), rgba(25, 117, 83, 0.16)) 0 0 / 36px 1px no-repeat,
    linear-gradient(90deg, rgba(25, 117, 83, 0.12), rgba(25, 117, 83, 0.12)) 100% 100% / 44px 1px no-repeat,
    linear-gradient(0deg, rgba(25, 117, 83, 0.12), rgba(25, 117, 83, 0.12)) 0 0 / 1px 30px no-repeat,
    linear-gradient(0deg, rgba(25, 117, 83, 0.1), rgba(25, 117, 83, 0.1)) 100% 100% / 1px 32px no-repeat;
  content: "";
  pointer-events: none;
}

.relay-card > span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.relay-card > strong {
  margin-top: 7px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.2;
}

.relay-card > small {
  margin-top: 12px;
  color: var(--muted);
  font-size: 10px;
}

.relay-card__art {
  position: absolute;
  right: 18px;
  bottom: 16px;
  display: grid;
  width: 96px;
  height: 48px;
  opacity: 0.92;
  pointer-events: none;
}

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

.relay-card__art i {
  display: block;
  background: rgba(25, 117, 83, 0.68);
  transform-origin: left center;
}

.relay-card__art--model {
  align-content: space-between;
  padding: 5px 0 5px 16px;
}

.relay-card__art--model::before {
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: 1px;
  background: rgba(25, 117, 83, 0.44);
  box-shadow:
    22px 11px 0 rgba(25, 117, 83, 0.24),
    47px 24px 0 rgba(25, 117, 83, 0.2);
}

.relay-card__art--model::after {
  top: 4px;
  left: 1px;
  width: 7px;
  height: 7px;
  border: 1px solid rgba(25, 117, 83, 0.55);
  background: rgba(251, 253, 251, 0.84);
  box-shadow:
    0 15px 0 -1px rgba(251, 253, 251, 0.84),
    0 15px 0 0 rgba(25, 117, 83, 0.52),
    0 31px 0 -1px rgba(251, 253, 251, 0.84),
    0 31px 0 0 rgba(25, 117, 83, 0.52);
}

.relay-card__art--model i {
  height: 1px;
}

.relay-card__art--model i:nth-child(1) { width: 100%; }
.relay-card__art--model i:nth-child(2) { width: 66%; margin-left: 13px; }
.relay-card__art--model i:nth-child(3) { width: 88%; }
.relay-card__art--model i:nth-child(4) { width: 54%; margin-left: 24px; }

.relay-card__art--route {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
  gap: 11px;
  padding: 3px 12px 5px;
  background:
    radial-gradient(circle at 13px 8px, rgba(25, 117, 83, 0.7) 0 2px, transparent 2.5px),
    radial-gradient(circle at 48px 24px, rgba(25, 117, 83, 0.62) 0 2px, transparent 2.5px),
    radial-gradient(circle at 82px 39px, rgba(25, 117, 83, 0.56) 0 2px, transparent 2.5px);
}

.relay-card__art--route::before,
.relay-card__art--route::after {
  position: absolute;
  right: 7px;
  left: 7px;
  height: 1px;
  background: rgba(25, 117, 83, 0.42);
  content: "";
}

.relay-card__art--route::before {
  top: 10px;
  transform: rotate(14deg);
}

.relay-card__art--route::after {
  bottom: 9px;
  transform: rotate(-11deg);
}

.relay-card__art--route i {
  position: relative;
  z-index: 1;
  width: 1px;
  height: 100%;
  justify-self: center;
  opacity: 0.74;
}

.relay-card__art--app {
  display: block;
}

.relay-card__art--app::before {
  top: 7px;
  right: 4px;
  left: 7px;
  height: 1px;
  background: rgba(25, 117, 83, 0.34);
  transform: rotate(-18deg);
}

.relay-card__art--app::after {
  right: 9px;
  bottom: 5px;
  width: 8px;
  height: 8px;
  border: 1px solid rgba(25, 117, 83, 0.52);
  background: rgba(251, 253, 251, 0.86);
}

.relay-card__art--app i {
  position: absolute;
  width: 46px;
  height: 27px;
  border: 1px solid rgba(25, 117, 83, 0.46);
  background:
    linear-gradient(90deg, rgba(25, 117, 83, 0.22) 0 10px, transparent 10px 100%),
    rgba(251, 253, 251, 0.44);
}

.relay-card__art--app i:nth-child(1) { top: 0; left: 0; }
.relay-card__art--app i:nth-child(2) { top: 8px; left: 18px; }
.relay-card__art--app i:nth-child(3) { top: 16px; left: 36px; }

.relay-card__art--observe {
  align-content: space-between;
  padding: 4px 0 4px 14px;
}

.relay-card__art--observe::after {
  top: 10px;
  right: 4px;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(25, 117, 83, 0.5);
  border-radius: 50%;
  box-shadow:
    -25px 12px 0 -8px rgba(25, 117, 83, 0.32),
    -42px -4px 0 -7px rgba(25, 117, 83, 0.28);
}

.relay-card__art--observe::before {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: 1px;
  background: rgba(25, 117, 83, 0.58);
  content: "";
}

.relay-card__art--observe i {
  height: 1px;
}

.relay-card__art--observe i:nth-child(1) { width: calc(100% - 22px); }
.relay-card__art--observe i:nth-child(2) { width: calc(64% - 12px); }
.relay-card__art--observe i:nth-child(3) { width: calc(84% - 12px); }

.relay-card-model {
  top: 58px;
  left: 2px;
}

.relay-card-route {
  top: 118px;
  right: 0;
}

.relay-card-app {
  right: 62px;
  bottom: 28px;
}

.relay-card-observe {
  bottom: 18px;
  left: 40px;
  width: 226px;
}

.relay-line {
  --signal-distance: 180px;
  position: absolute;
  z-index: 3;
  display: block;
  height: 1px;
  overflow: hidden;
  transform-origin: left center;
  background:
    linear-gradient(90deg, transparent, rgba(25, 117, 83, 0.46) 16%, rgba(25, 117, 83, 0.28) 84%, transparent);
}

.relay-line::after {
  position: absolute;
  top: -1px;
  left: -22px;
  width: 22px;
  height: 3px;
  background: var(--accent);
  box-shadow:
    0 0 0 1px rgba(217, 239, 228, 0.74),
    0 6px 18px rgba(25, 117, 83, 0.2);
  content: "";
}

.relay-line-a {
  top: 218px;
  left: 205px;
  width: 200px;
  --signal-distance: 216px;
  transform: rotate(24deg);
}

.relay-line-b {
  top: 264px;
  left: 415px;
  width: 210px;
  --signal-distance: 226px;
  transform: rotate(-22deg);
}

.relay-line-c {
  top: 376px;
  left: 286px;
  width: 186px;
  --signal-distance: 202px;
  transform: rotate(140deg);
}

.relay-line-d {
  top: 384px;
  left: 426px;
  width: 148px;
  --signal-distance: 164px;
  transform: rotate(43deg);
}

@media (prefers-reduced-motion: no-preference) {
  .relay-stage::before {
    animation: relay-topology-breathe 8s ease-in-out infinite;
  }

  .relay-stage::after {
    animation: relay-ring-breathe 12s ease-in-out infinite;
  }

  .relay-field {
    animation: relay-field-shift 16s linear infinite;
  }

  .relay-orbit::after {
    animation: relay-orbit-marker 5.6s ease-in-out infinite;
  }

  .hero-content {
    animation: hero-enter 720ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .hero-visual img {
    animation: hero-material-enter 1100ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .relay-core {
    animation: core-arrive 900ms 180ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .relay-card {
    animation: glass-arrive 840ms cubic-bezier(0.16, 1, 0.3, 1) backwards;
  }

  .relay-card-route {
    animation-delay: 110ms;
  }

  .relay-card-app {
    animation-delay: 220ms;
  }

  .relay-card-observe {
    animation-delay: 320ms;
  }

  .relay-core::after {
    animation: core-scan 3.8s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  }

  .relay-line::after {
    animation: relay-signal 3.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  }

  .relay-line-b::after { animation-delay: 640ms; }
  .relay-line-c::after { animation-delay: 1.1s; }
  .relay-line-d::after { animation-delay: 1.6s; }

  .relay-card__art--route::before {
    animation: relay-switchline 4.2s ease-in-out infinite;
  }

  .relay-card__art--observe::after {
    animation: relay-observe-mark 4.8s ease-in-out infinite;
  }

  .relay-card__art i {
    animation: relay-art 3.2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  }

  .relay-card__art i:nth-child(2) { animation-delay: 220ms; }
  .relay-card__art i:nth-child(3) { animation-delay: 440ms; }
  .relay-card__art i:nth-child(4) { animation-delay: 660ms; }
}

@keyframes relay-topology-breathe {
  0%, 100% { opacity: 0.54; }
  48% { opacity: 0.92; }
}

@keyframes relay-ring-breathe {
  0%, 100% { opacity: 0.52; }
  46% { opacity: 0.84; }
  72% { opacity: 0.62; }
}

@keyframes relay-field-shift {
  from { background-position: 0 0, 0 0, 0 0; }
  to { background-position: 64px 0, 0 72px, 0 0; }
}

@keyframes relay-orbit-marker {
  0%, 100% { left: 12%; opacity: 0.28; }
  45% { left: 64%; opacity: 0.92; }
}

@keyframes relay-switchline {
  0%, 100% { opacity: 0.22; transform: rotate(14deg) scaleX(0.72); }
  48% { opacity: 0.72; transform: rotate(14deg) scaleX(1); }
}

@keyframes relay-observe-mark {
  0%, 100% { opacity: 0.32; transform: translateX(0); }
  48% { opacity: 0.86; transform: translateX(-5px); }
  72% { opacity: 0.56; transform: translateX(2px); }
}

@keyframes core-scan {
  0%, 58%, 100% {
    opacity: 0;
    transform: translate3d(0, 0, 0);
  }
  18% {
    opacity: 0.82;
  }
  42% {
    opacity: 0.24;
    transform: translate3d(188px, 0, 0);
  }
}

@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-material-enter {
  from {
    opacity: 0.56;
    filter: blur(9px);
    transform: scale(1.035);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

@keyframes core-arrive {
  from {
    opacity: 0;
    transform: translate3d(calc(-50% + var(--relay-x)), calc(-44% + var(--relay-y)), 0) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translate3d(calc(-50% + var(--relay-x)), calc(-50% + var(--relay-y)), 0) scale(1);
  }
}

@keyframes glass-arrive {
  from {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@keyframes relay-signal {
  0%, 100% {
    opacity: 0;
    transform: translate3d(-22px, 0, 0);
  }
  14% {
    opacity: 1;
  }
  72% {
    opacity: 0.2;
    transform: translate3d(var(--signal-distance), 0, 0);
  }
}

@keyframes relay-art {
  0%, 100% {
    opacity: 0.34;
    transform: scaleX(0.56);
  }
  46% {
    opacity: 0.92;
    transform: scaleX(1);
  }
}

.access-strip {
  position: relative;
  z-index: 8;
  display: grid;
  grid-template-columns: 1.4fr repeat(4, minmax(0, 1fr));
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.access-strip > * {
  min-width: 0;
  padding: 24px 26px;
}

.access-strip > * + * {
  border-left: 1px solid var(--line);
}

.access-strip__intro,
.access-strip a {
  display: grid;
  align-content: center;
  min-height: 108px;
}

.access-strip__intro strong,
.access-strip a strong {
  font-size: 14px;
}

.access-strip__intro span,
.access-strip a span {
  color: var(--muted);
  font-size: 11px;
}

.access-strip a {
  transition: background 180ms ease, color 180ms ease;
}

.access-strip a:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.section {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
  padding: 132px 0;
}

.section-title,
.platform-map__intro {
  max-width: 820px;
  margin-bottom: 56px;
}

.section-title h2,
.platform-map__intro h2,
.infrastructure-copy h2,
.supply-chain-copy h2,
.enterprise-band h2,
.contact-copy h2,
.catalog-top h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(38px, 4vw, 62px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
  text-wrap: balance;
}

.section-title p,
.platform-map__intro p,
.infrastructure-copy > p,
.supply-chain-copy > p,
.enterprise-band > div:first-child > p,
.contact-copy > p,
.catalog-top > div:first-child > p {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.platform-map {
  padding-top: 152px;
  padding-bottom: 118px;
}

.platform-map__shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 520px;
  overflow: hidden;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 22px 64px color-mix(in srgb, var(--accent-ink) 12%, transparent);
  backdrop-filter: blur(18px);
}

.platform-map__tabs {
  display: grid;
  align-content: start;
  padding: 20px;
  border-right: 1px solid var(--line);
  background: rgba(231, 241, 235, 0.62);
}

.platform-map__tabs button {
  min-height: 64px;
  padding: 0 17px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  text-align: left;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.platform-map__tabs button:hover {
  color: var(--accent);
  transform: translateX(3px);
}

.platform-map__tabs button[aria-selected="true"] {
  background: var(--accent);
  color: var(--white);
  font-weight: 700;
}

.platform-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  grid-template-rows: 1fr auto;
  gap: 54px 74px;
  padding: 60px;
}

.platform-panel__copy > span,
.solution-panel__copy > span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.platform-panel h3,
.solution-panel h3 {
  max-width: 720px;
  margin: 18px 0 0;
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: 0;
  text-wrap: balance;
}

.platform-panel__copy p,
.solution-panel__copy p {
  max-width: 630px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.platform-routes,
.solution-panel__outcomes {
  display: grid;
  align-content: end;
  gap: 10px;
}

.platform-routes span,
.solution-panel__outcomes span {
  padding: 15px 16px;
  border-left: 1px solid var(--accent);
  background: var(--accent-haze);
  color: var(--ink-soft);
  font-size: 12px;
}

.platform-path {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.platform-path span {
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink-soft);
  font-size: 10px;
  white-space: nowrap;
}

.platform-path i {
  height: 1px;
  background: var(--accent);
  opacity: 0.46;
}

.products {
  position: relative;
  background: var(--accent-haze);
  box-shadow: 0 0 0 100vmax var(--accent-haze);
  clip-path: inset(0 -100vmax);
}

.product-layout {
  display: grid;
  grid-template-columns: 1.24fr 0.76fr;
  grid-template-rows: auto auto auto;
  gap: 18px;
}

.product-feature {
  min-height: 310px;
  padding: 36px;
}

.product-feature h3 {
  max-width: 580px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(26px, 2.6vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

.product-feature p {
  max-width: 610px;
  margin: 17px 0 0;
  color: var(--muted);
}

.product-feature > * {
  position: relative;
  z-index: 1;
}

.product-feature > .product-track {
  --track-horizontal: color-mix(in srgb, var(--accent) 46%, var(--accent-soft));
  --track-vertical: color-mix(in srgb, var(--accent) 22%, var(--accent-soft));
  position: absolute;
  z-index: 0;
  box-sizing: border-box;
  background: linear-gradient(135deg, var(--track-vertical) 0 36%, var(--track-horizontal) 72%);
  mask:
    linear-gradient(black 0 0) 46px 0 / calc(100% - 46px) 5px no-repeat,
    linear-gradient(black 0 0) 0 46px / 5px calc(100% - 46px) no-repeat,
    radial-gradient(circle at 46px 46px, transparent 0 40px, black 41px 45px, transparent 46px) 0 0 / 46px 46px no-repeat;
  -webkit-mask:
    linear-gradient(black 0 0) 46px 0 / calc(100% - 46px) 5px no-repeat,
    linear-gradient(black 0 0) 0 46px / 5px calc(100% - 46px) no-repeat,
    radial-gradient(circle at 46px 46px, transparent 0 40px, black 41px 45px, transparent 46px) 0 0 / 46px 46px no-repeat;
  opacity: 0.52;
  filter: drop-shadow(0 1px 9px color-mix(in srgb, var(--accent) 20%, transparent));
  pointer-events: none;
}

.product-track::before,
.product-track::after {
  position: absolute;
  box-sizing: border-box;
  background: linear-gradient(135deg, var(--track-vertical) 0 36%, var(--track-horizontal) 72%);
  mask:
    linear-gradient(black 0 0) 46px 0 / calc(100% - 46px) 5px no-repeat,
    linear-gradient(black 0 0) 0 46px / 5px calc(100% - 46px) no-repeat,
    radial-gradient(circle at 46px 46px, transparent 0 40px, black 41px 45px, transparent 46px) 0 0 / 46px 46px no-repeat;
  -webkit-mask:
    linear-gradient(black 0 0) 46px 0 / calc(100% - 46px) 5px no-repeat,
    linear-gradient(black 0 0) 0 46px / 5px calc(100% - 46px) no-repeat,
    radial-gradient(circle at 46px 46px, transparent 0 40px, black 41px 45px, transparent 46px) 0 0 / 46px 46px no-repeat;
  content: "";
}

.product-track::before {
  top: -50px;
  left: -50px;
  width: calc(100% + 50px);
  height: calc(100% + 50px);
  opacity: 0.68;
}

.product-track::after {
  top: -100px;
  left: -100px;
  width: calc(100% + 100px);
  height: calc(100% + 100px);
  opacity: 0.38;
}

.inline-link {
  display: inline-block;
  margin-top: 26px;
  border-bottom: 1px solid currentColor;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.inline-link:hover {
  color: var(--accent-deep);
}

.product-feature-main {
  grid-row: span 2;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 638px;
  background: rgba(255, 255, 255, 0.72);
}

.product-feature > .product-track-main {
  top: 48%;
  right: -10%;
  width: 58%;
  height: 58%;
}

.flow-map {
  display: grid;
  grid-template-columns: 82px 1fr minmax(200px, 0.84fr);
  align-items: center;
  align-self: end;
  min-height: 236px;
  padding: 28px;
  border-radius: var(--radius);
  background: rgba(222, 241, 231, 0.62);
}

.flow-map__source {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border-radius: 6px;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 750;
}

.flow-map > i,
.infra-schematic i {
  height: 1px;
  background: var(--accent);
  opacity: 0.52;
}

.flow-map > div {
  display: grid;
  gap: 8px;
}

.flow-map > div span {
  padding: 13px 16px;
  border-left: 1px solid var(--accent);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink-soft);
  font-size: 12px;
}

.product-feature-capacity,
.product-feature-speed {
  display: flex;
  flex-direction: column;
}

.product-feature-capacity {
  background: color-mix(in srgb, var(--accent-soft) 68%, var(--white));
}

.product-feature > .product-track-capacity {
  top: 66%;
  right: -18%;
  width: 62%;
  height: 58%;
  opacity: 0.36;
}

.product-track-capacity::after {
  display: none;
}

.product-feature-speed {
  border-color: color-mix(in srgb, var(--accent) 20%, var(--line));
  background: linear-gradient(145deg, var(--accent-soft), color-mix(in srgb, var(--accent-soft) 58%, var(--white)));
  color: var(--ink);
}

.product-feature-speed::before {
  background: radial-gradient(circle at var(--mx) var(--my), rgba(255, 255, 255, 0.9), color-mix(in srgb, var(--accent-soft) 42%, transparent) 34%, transparent 64%);
}

.product-feature > .product-track-speed {
  top: 66%;
  right: -18%;
  width: 66%;
  height: 60%;
  opacity: 0.44;
}

.product-feature-speed h3,
.product-feature-speed p {
  color: var(--ink);
}

.product-feature-speed p {
  color: var(--muted);
}

.infra-schematic {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  align-items: center;
  gap: 9px;
  margin-top: auto;
  padding-top: 28px;
}

.infra-schematic span {
  padding: 9px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink-soft);
  font-size: 9px;
  white-space: nowrap;
}

.infra-schematic-speed {
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
}

.infra-schematic-speed span {
  border-color: color-mix(in srgb, var(--accent) 24%, var(--line));
  background: rgba(255, 255, 255, 0.62);
  color: var(--accent-ink);
}

.infra-schematic-speed i {
  background: var(--accent);
}

.product-feature-private {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  align-items: end;
  gap: 42px;
  min-height: 220px;
  background: rgba(255, 255, 255, 0.58);
}

.product-feature > .product-track-private {
  top: 58%;
  right: -8%;
  width: 36%;
  height: 70%;
  opacity: 0.3;
}

.product-track-private::after {
  display: none;
}

.product-feature-private p,
.product-feature-private .inline-link {
  margin-top: 0;
}

.model-catalog {
  padding: 132px max(24px, calc((100vw - var(--container)) / 2));
  background: var(--white);
  color: var(--ink);
}

.catalog-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 52px;
  margin-bottom: 58px;
}

.catalog-filters {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--accent-haze);
}

.catalog-filters button {
  min-height: 38px;
  padding: 0 16px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.catalog-filters button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--white);
}

.model-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 52px;
}

.model-row {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 18px;
  min-height: 116px;
  border-bottom: 1px solid var(--line);
}

.model-monogram {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 750;
}

.model-row h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.model-row p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.model-capability {
  color: var(--accent);
  font-size: 9px;
  font-weight: 700;
}

.model-row a {
  color: var(--ink-soft);
  font-size: 11px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.model-row a:hover {
  color: var(--accent);
}

.infrastructure {
  display: block;
}

.infrastructure-copy {
  max-width: 880px;
  margin: 0 auto 64px;
  text-align: center;
}

.infrastructure-copy h2 {
  font-size: clamp(38px, 3.4vw, 54px);
}

.infrastructure-copy > p {
  margin-right: auto;
  margin-left: auto;
}

.infrastructure-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 980px;
  margin: 0 auto;
}

.infrastructure-panel {
  overflow: hidden;
  border-radius: var(--radius);
}

.infrastructure-panel-dark {
  background: var(--ink);
  color: var(--white);
}

.infrastructure-panel-light {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.infrastructure-panel__header {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 240px;
  overflow: hidden;
  padding: 44px 46px;
  border-bottom: 1px solid var(--line);
}

.infrastructure-panel-dark .infrastructure-panel__header {
  border-bottom-color: rgba(217, 239, 228, 0.24);
}

.infrastructure-panel__header h3 {
  position: relative;
  z-index: 2;
  margin: 0;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.16;
}

.infrastructure-trace {
  position: absolute;
  top: 0;
  right: 0;
  width: 250px;
  height: 190px;
  color: var(--accent);
  opacity: 0.86;
  pointer-events: none;
  transition: transform 460ms cubic-bezier(0.16, 1, 0.3, 1);
}

.infrastructure-trace i {
  position: absolute;
  right: -1px;
  width: 176px;
  height: 34px;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
  border-radius: 10px 0 0;
}

.infrastructure-trace i:nth-child(1) {
  top: 0;
  width: 108px;
}

.infrastructure-trace i:nth-child(2) {
  top: 36px;
  width: 150px;
  color: var(--accent-soft);
}

.infrastructure-trace i:nth-child(3) {
  top: 72px;
  width: 194px;
}

.infrastructure-trace i:nth-child(4) {
  top: 108px;
  width: 236px;
  color: var(--accent-soft);
}

.infrastructure-trace-reverse {
  top: -12px;
  right: -18px;
  transform: rotate(180deg);
}

.infrastructure-panel:hover .infrastructure-trace {
  transform: translate3d(-8px, 6px, 0);
}

.infrastructure-panel:hover .infrastructure-trace-reverse {
  transform: rotate(180deg) translate3d(8px, -6px, 0);
}

.infrastructure-panel__row {
  min-height: 205px;
  padding: 36px 46px 38px;
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease;
}

.infrastructure-panel__row:last-child {
  border-bottom: 0;
}

.infrastructure-panel-dark .infrastructure-panel__row {
  border-bottom-color: rgba(217, 239, 228, 0.24);
}

.infrastructure-panel-light .infrastructure-panel__row:hover {
  background: rgba(25, 117, 83, 0.035);
}

.infrastructure-panel-dark .infrastructure-panel__row:hover {
  background: rgba(251, 253, 251, 0.045);
}

.infrastructure-panel__row > span {
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.infrastructure-panel-dark .infrastructure-panel__row > span {
  color: var(--accent-soft);
}

.infrastructure-panel__row h4 {
  max-width: 15ch;
  margin: 14px 0 0;
  font-size: 25px;
  font-weight: 700;
  line-height: 1.28;
}

.infrastructure-panel__row p {
  max-width: 38ch;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.72;
}

.infrastructure-panel-dark .infrastructure-panel__row p {
  color: rgba(251, 253, 251, 0.7);
}

.supply-chain {
  display: grid;
  grid-template-columns: minmax(350px, 0.82fr) minmax(560px, 1.18fr);
  gap: 88px;
  padding: 130px max(24px, calc((100vw - var(--container)) / 2));
  background: var(--accent-haze);
}

.supply-chain-copy {
  align-self: center;
}

.supply-chain-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 34px;
}

.supply-chain-notes span {
  padding: 8px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.56);
  color: var(--ink-soft);
  font-size: 11px;
}

.supply-flow {
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--accent-ink);
  color: color-mix(in srgb, var(--accent-soft) 76%, var(--white));
  box-shadow: 0 24px 68px rgba(16, 62, 45, 0.22);
}

.supply-flow__header,
.supply-flow__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 26px;
  border-bottom: 1px solid color-mix(in srgb, var(--accent-soft) 16%, transparent);
}

.supply-flow__header > div {
  display: grid;
  gap: 3px;
}

.supply-flow__header span,
.supply-flow__header small,
.supply-flow__footer {
  color: color-mix(in srgb, var(--accent) 34%, var(--accent-soft));
  font-size: 9px;
  letter-spacing: 0;
}

.supply-flow__header strong {
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
}

.supply-flow__body {
  min-height: 344px;
  padding: 58px 34px 42px;
}

.supply-flow__route {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.supply-flow__route::before,
.supply-flow__route::after {
  position: absolute;
  top: 24px;
  left: 7%;
  height: 5px;
  border-radius: 999px;
  content: "";
  pointer-events: none;
}

.supply-flow__route::before {
  right: 7%;
  background: color-mix(in srgb, var(--accent-soft) 24%, transparent);
}

.supply-flow__route::after {
  width: 17%;
  background: linear-gradient(90deg, transparent, var(--accent-soft) 48%, transparent);
  animation: supply-route-signal 4.8s ease-in-out infinite;
}

.supply-flow__route li {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  min-width: 0;
  text-align: center;
}

.supply-flow__route li > span {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid color-mix(in srgb, var(--accent-soft) 34%, transparent);
  border-radius: 6px;
  background: var(--accent-ink);
  color: var(--accent-soft);
  font-size: 10px;
  font-weight: 700;
}

.supply-flow__route li > div {
  display: grid;
  gap: 6px;
  margin-top: 17px;
}

.supply-flow__route li strong {
  color: var(--white);
  font-size: 13px;
}

.supply-flow__route li small {
  color: color-mix(in srgb, var(--accent-soft) 58%, transparent);
  font-size: 9px;
  white-space: nowrap;
}

.supply-flow__records {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 46px;
  border-top: 1px solid color-mix(in srgb, var(--accent-soft) 16%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent-soft) 16%, transparent);
}

.supply-flow__records > div {
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: 17px 15px;
  border-right: 1px solid color-mix(in srgb, var(--accent-soft) 16%, transparent);
}

.supply-flow__records > div:last-child {
  border-right: 0;
}

.supply-flow__records span {
  color: color-mix(in srgb, var(--accent) 34%, var(--accent-soft));
  font-size: 9px;
}

.supply-flow__records strong {
  color: color-mix(in srgb, var(--accent-soft) 88%, var(--white));
  font-size: 10px;
  font-weight: 600;
}

.supply-flow__footer {
  min-height: 48px;
  border-top: 0;
  border-bottom: 0;
}

.supply-flow__footer strong {
  color: color-mix(in srgb, var(--accent) 9%, var(--accent-soft));
  font-weight: 700;
}

@keyframes supply-route-signal {
  0%, 100% {
    opacity: 0;
    transform: translateX(-35%);
  }
  16% {
    opacity: 0.9;
  }
  82% {
    opacity: 0.9;
    transform: translateX(455%);
  }
}

.solution-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: 480px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 18px 52px color-mix(in srgb, var(--accent-ink) 10%, transparent);
}

.solution-tabs {
  display: grid;
  align-content: start;
  padding: 20px;
  border-right: 1px solid var(--line);
}

.solution-tabs button {
  min-height: 60px;
  padding: 0 16px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  text-align: left;
}

.solution-tabs button:hover {
  color: var(--accent);
}

.solution-tabs button[aria-selected="true"] {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.solution-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  align-items: end;
  gap: 64px;
  padding: 62px;
}

.enterprise-band {
  display: grid;
  grid-template-columns: 0.74fr 1.26fr;
  gap: 90px;
  padding: 126px max(24px, calc((100vw - var(--container)) / 2));
  background: var(--accent-soft);
}

.enterprise-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px 60px;
}

.enterprise-grid article {
  padding-top: 20px;
  border-top: 1px solid rgba(25, 117, 83, 0.28);
}

.enterprise-grid h3 {
  margin: 0;
  font-size: 19px;
}

.enterprise-grid p {
  margin: 10px 0 0;
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 100px;
  padding: 132px max(24px, calc((100vw - var(--container)) / 2));
  background: var(--white);
  color: var(--ink);
}

.contact .inline-link {
  color: var(--accent);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-self: center;
}

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

.contact-form label > span {
  color: var(--ink-soft);
  font-size: 12px;
}

.contact-form input,
.contact-form select {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
}

.contact-form input::placeholder {
  color: color-mix(in srgb, var(--muted) 88%, var(--surface));
}

.contact-form input:focus,
.contact-form select:focus {
  border-color: var(--accent);
}

.contact-form .button,
.form-message {
  grid-column: 1 / -1;
}

.form-message {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.form-message.is-success {
  color: var(--accent);
}

.partners {
  position: relative;
  overflow: hidden;
  padding: 92px max(24px, calc((100vw - var(--container)) / 2)) 104px;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(90deg, transparent 0 38%, rgba(25, 117, 83, 0.025) 38% 38.06%, transparent 38.06% 100%),
    var(--surface);
}

.partners-heading {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(360px, 0.8fr);
  justify-content: space-between;
  align-items: end;
  gap: 64px;
}

.partners-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(34px, 3.2vw, 54px);
  line-height: 1.08;
}

.partners-heading p {
  max-width: 520px;
  margin: 0 0 4px auto;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.partner-marquee {
  width: calc(100vw - max(24px, calc((100vw - var(--container)) / 2)));
  margin-top: 58px;
  overflow: hidden;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  mask-image: linear-gradient(90deg, transparent, var(--ink) 5%, var(--ink) 95%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, var(--ink) 5%, var(--ink) 95%, transparent);
}

.partner-marquee:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}

.partner-track {
  display: flex;
  width: max-content;
  animation: partner-flow 25s linear infinite;
  animation-play-state: paused;
  will-change: transform;
}

.partner-marquee.is-running .partner-track {
  animation-play-state: running;
}

.partner-marquee:hover .partner-track,
.partner-marquee:focus-visible .partner-track {
  animation-play-state: paused;
}

.partner-group {
  display: flex;
  flex: none;
  align-items: center;
  gap: clamp(48px, 5vw, 92px);
  padding: 30px clamp(48px, 5vw, 92px) 30px 0;
}

.partner-logo {
  display: grid;
  place-items: center;
  width: clamp(168px, 13vw, 220px);
  height: 94px;
}

.partner-logo img {
  display: block;
  max-width: 100%;
  max-height: 82px;
  object-fit: contain;
}

@keyframes partner-flow {
  to {
    transform: translateX(-50%);
  }
}

.site-footer {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 0.72fr);
  gap: 52px;
  padding: 78px max(24px, calc((100vw - var(--container)) / 2)) 34px;
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
}

.footer-intro strong {
  color: var(--ink);
  font-size: 14px;
}

.footer-intro p {
  margin: 14px 0 0;
  color: var(--ink-soft);
}

.footer-intro span {
  display: block;
  margin-top: 7px;
  font-size: 11px;
}

.site-footer h3 {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 12px;
}

.site-footer > div:not(.footer-intro) {
  display: grid;
  align-content: start;
  gap: 10px;
}

.site-footer a {
  width: max-content;
  font-size: 12px;
}

.site-footer a:hover {
  color: var(--accent);
}

.site-footer small {
  grid-column: 1 / -1;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 9px;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: 200px 1fr auto;
  }

  .primary-nav {
    gap: 18px;
  }

  .header-actions .text-link {
    display: none;
  }

  .hero {
    padding-right: 28px;
    padding-left: 28px;
  }

  .hero-content {
    width: min(760px, 66vw);
    margin-left: clamp(34px, 5vw, 72px);
  }

  .hero-switcher {
    right: 28px;
    left: clamp(62px, 7vw, 100px);
  }

  .relay-stage {
    transform: scale(0.9);
    transform-origin: right center;
  }

  .relay-card-observe {
    left: 18px;
  }

  .access-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .access-strip__intro {
    grid-column: 1 / -1;
    min-height: auto;
    border-bottom: 1px solid var(--line);
  }

  .access-strip > :nth-child(2) {
    border-left: 0;
  }

  .supply-chain {
    grid-template-columns: 0.72fr 1.28fr;
    gap: 52px;
  }
}

@media (max-width: 920px) {
  :root {
    --header-height: 64px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 20px;
  }

  .header-actions {
    display: none;
  }

  .menu-button {
    display: grid;
    place-content: center;
    gap: 6px;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.72);
  }

  .menu-button span {
    width: 18px;
    height: 1px;
    background: var(--accent);
    transition: transform 180ms ease;
  }

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

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

  .primary-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    align-content: start;
    justify-content: stretch;
    justify-items: stretch;
    width: 100%;
    min-height: calc(100dvh - var(--header-height));
    gap: 0;
    padding: 24px 20px;
    border-top: 1px solid var(--line);
    background: var(--paper);
  }

  .primary-nav.is-open {
    display: grid;
  }

  .primary-nav a {
    display: flex;
    align-items: center;
    min-height: 64px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-size: 18px;
  }

  .hero {
    min-height: max(720px, calc(100dvh - 72px));
    padding: calc(var(--header-height) + 82px) 20px 128px;
  }

  .hero::before {
    top: var(--header-height);
    width: 78%;
  }

  .hero-content {
    width: min(720px, 76vw);
    margin-left: clamp(16px, 4vw, 42px);
  }

  .hero h1 {
    max-width: 720px;
    font-size: clamp(52px, 8vw, 70px);
  }

  .hero-visual {
    left: 38%;
    opacity: 0.76;
  }

  .hero-switcher {
    right: 20px;
    bottom: 30px;
    left: max(36px, 5vw);
    width: min(470px, calc(100% - 56px));
  }

  .relay-stage {
    width: min(680px, 100%);
    min-height: 520px;
    justify-self: center;
    transform: scale(0.9);
    transform-origin: center top;
  }

  .relay-card-observe {
    left: 18px;
  }

  .access-strip,
  .section {
    width: calc(100% - 40px);
  }

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

  .access-strip > :nth-child(4) {
    border-left: 0;
  }

  .access-strip > :nth-child(4),
  .access-strip > :nth-child(5) {
    border-top: 1px solid var(--line);
  }

  .section {
    padding: 104px 0;
  }

  .platform-map__shell {
    grid-template-columns: 1fr;
  }

  .platform-map__tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .platform-map__tabs button {
    min-height: 54px;
    text-align: center;
  }

  .platform-panel {
    grid-template-columns: 1fr;
    gap: 42px;
    padding: 46px;
  }

  .platform-path {
    grid-column: auto;
  }

  .product-layout,
  .supply-chain,
  .enterprise-band,
  .contact {
    grid-template-columns: 1fr;
  }

  .product-feature-main {
    grid-row: auto;
    min-height: 600px;
  }

  .product-feature-private {
    grid-column: auto;
    grid-template-columns: 1fr;
    align-items: start;
  }

  .model-list {
    grid-template-columns: 1fr;
  }

  .catalog-top {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .catalog-filters {
    width: max-content;
  }

  .infrastructure-panels {
    max-width: 760px;
    gap: 12px;
  }

  .infrastructure-panel__header {
    min-height: 210px;
    padding: 36px 32px;
  }

  .infrastructure-panel__row {
    min-height: 200px;
    padding: 32px;
  }

  .infrastructure-panel__row h4 {
    font-size: 22px;
  }

  .supply-chain,
  .enterprise-band,
  .contact {
    gap: 60px;
    padding: 104px 20px;
  }

  .supply-flow__route {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 18px;
  }

  .supply-flow__route::before,
  .supply-flow__route::after {
    display: none;
  }

  .supply-flow__route li {
    grid-template-columns: 52px minmax(0, 1fr);
    align-items: center;
    justify-items: start;
    text-align: left;
  }

  .supply-flow__route li > div {
    margin-top: 0;
    margin-left: 14px;
  }

  .supply-flow__records {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 34px;
  }

  .supply-flow__records > div:nth-child(2) {
    border-right: 0;
  }

  .supply-flow__records > div:nth-child(-n + 2) {
    border-bottom: 1px solid color-mix(in srgb, var(--accent-soft) 16%, transparent);
  }

  .solution-layout {
    grid-template-columns: 200px minmax(0, 1fr);
  }

  .solution-panel {
    grid-template-columns: 1fr;
    gap: 42px;
    padding: 46px;
  }

  .site-footer {
    grid-template-columns: 1.4fr repeat(3, 1fr);
    padding-right: 20px;
    padding-left: 20px;
  }

  .partners {
    padding-right: 20px;
    padding-left: 20px;
  }

  .partner-marquee {
    width: calc(100vw - 20px);
  }
}

@media (max-width: 620px) {
  .hero {
    align-items: flex-start;
    min-height: max(690px, calc(100dvh - 56px));
    padding: calc(var(--header-height) + 72px) 20px 126px;
  }

  .hero::before {
    width: 100%;
    background: linear-gradient(90deg, var(--surface) 0%, rgba(251, 253, 251, 0.92) 68%, rgba(251, 253, 251, 0.38) 100%);
  }

  .hero-content {
    width: 100%;
    margin-left: 0;
  }

  .hero h1 {
    font-size: clamp(42px, 11.6vw, 52px);
    line-height: 1.07;
  }

  .hero-content > p {
    max-width: 32ch;
    margin-top: 22px;
    font-size: 15px;
    line-height: 1.7;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 28px;
  }

  .hero-actions .button {
    width: 100%;
    padding: 0 12px;
  }

  .hero-visual {
    top: var(--header-height);
    bottom: 72px;
    left: 26%;
    opacity: 0.34;
    mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.08) 12%, black 48%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.08) 12%, black 48%);
  }

  .hero-switcher {
    right: 20px;
    bottom: 24px;
    left: 20px;
    gap: 8px;
    width: auto;
  }

  .hero-switcher button strong {
    font-size: 10px;
  }

  .relay-stage {
    position: absolute;
    top: 70px;
    right: 0;
    width: 430px;
    min-height: 360px;
    opacity: 0.62;
    transform: scale(0.66);
    transform-origin: top right;
  }

  .relay-card-route {
    right: -10px;
  }

  .relay-card-observe,
  .relay-line-c,
  .relay-orbit {
    display: none;
  }

  .access-strip {
    grid-template-columns: 1fr;
  }

  .access-strip > * + *,
  .access-strip > :nth-child(4) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .access-strip__intro,
  .access-strip a {
    min-height: 86px;
  }

  .section-title,
  .platform-map__intro {
    margin-bottom: 40px;
  }

  .section-title h2,
  .platform-map__intro h2,
  .infrastructure-copy h2,
  .supply-chain-copy h2,
  .enterprise-band h2,
  .contact-copy h2,
  .catalog-top h2 {
    font-size: clamp(32px, 9.5vw, 44px);
  }

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

  .platform-panel {
    min-height: 540px;
    padding: 32px 24px;
  }

  .platform-path {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .platform-path i {
    width: 1px;
    height: 12px;
    margin-left: 18px;
  }

  .product-feature {
    min-height: 290px;
    padding: 27px;
  }

  .product-feature-main {
    min-height: 560px;
  }

  .product-feature > .product-track {
    top: auto;
    right: -28%;
    bottom: -22%;
    width: 72%;
    height: 54%;
    mask:
      linear-gradient(black 0 0) 36px 0 / calc(100% - 36px) 4px no-repeat,
      linear-gradient(black 0 0) 0 36px / 4px calc(100% - 36px) no-repeat,
      radial-gradient(circle at 36px 36px, transparent 0 31px, black 32px 35px, transparent 36px) 0 0 / 36px 36px no-repeat;
    -webkit-mask:
      linear-gradient(black 0 0) 36px 0 / calc(100% - 36px) 4px no-repeat,
      linear-gradient(black 0 0) 0 36px / 4px calc(100% - 36px) no-repeat,
      radial-gradient(circle at 36px 36px, transparent 0 31px, black 32px 35px, transparent 36px) 0 0 / 36px 36px no-repeat;
    opacity: 0.3;
  }

  .product-track::before,
  .product-track::after {
    mask:
      linear-gradient(black 0 0) 36px 0 / calc(100% - 36px) 4px no-repeat,
      linear-gradient(black 0 0) 0 36px / 4px calc(100% - 36px) no-repeat,
      radial-gradient(circle at 36px 36px, transparent 0 31px, black 32px 35px, transparent 36px) 0 0 / 36px 36px no-repeat;
    -webkit-mask:
      linear-gradient(black 0 0) 36px 0 / calc(100% - 36px) 4px no-repeat,
      linear-gradient(black 0 0) 0 36px / 4px calc(100% - 36px) no-repeat,
      radial-gradient(circle at 36px 36px, transparent 0 31px, black 32px 35px, transparent 36px) 0 0 / 36px 36px no-repeat;
  }

  .product-track::after {
    display: none;
  }

  .product-feature > .product-track-main {
    bottom: 7%;
  }

  .product-feature > .product-track-private {
    right: -38%;
    bottom: -36%;
    opacity: 0.2;
  }

  .flow-map {
    grid-template-columns: 58px 1fr minmax(132px, 0.9fr);
    min-height: 220px;
    padding: 16px;
  }

  .flow-map > div span {
    padding: 11px;
    font-size: 10px;
  }

  .infra-schematic {
    gap: 5px;
  }

  .infra-schematic span {
    padding: 8px 6px;
  }

  .model-catalog {
    padding: 100px 20px;
  }

  .catalog-filters {
    width: 100%;
    overflow-x: auto;
  }

  .catalog-filters button {
    flex: 1;
    white-space: nowrap;
  }

  .model-row {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    gap: 12px;
  }

  .model-capability {
    display: none;
  }

  .model-row a {
    font-size: 10px;
  }

  .infrastructure-copy {
    margin-bottom: 40px;
    text-align: left;
  }

  .infrastructure-copy > p {
    margin-left: 0;
  }

  .infrastructure-panels {
    grid-template-columns: 1fr;
  }

  .infrastructure-panel__header {
    min-height: 180px;
    padding: 32px 24px;
  }

  .infrastructure-panel__header h3 {
    font-size: 28px;
  }

  .infrastructure-panel__row {
    min-height: 0;
    padding: 28px 24px 30px;
  }

  .infrastructure-panel__row h4 {
    max-width: none;
  }

  .supply-chain {
    padding-top: 94px;
    padding-bottom: 94px;
  }

  .supply-flow__header,
  .supply-flow__footer {
    padding-right: 18px;
    padding-left: 18px;
  }

  .supply-flow__body {
    min-height: 0;
    padding: 28px 22px;
  }

  .supply-flow__route {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .supply-flow__route li {
    padding: 16px 0;
    border-bottom: 1px solid color-mix(in srgb, var(--accent-soft) 16%, transparent);
  }

  .supply-flow__route li:first-child {
    padding-top: 0;
  }

  .supply-flow__route li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .supply-flow__records {
    margin-top: 28px;
  }

  .supply-flow__records > div {
    padding: 15px 12px;
  }

  .solution-layout {
    grid-template-columns: 1fr;
  }

  .solution-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .solution-tabs button {
    min-height: 52px;
    text-align: center;
  }

  .solution-panel {
    padding: 32px 24px;
  }

  .enterprise-grid,
  .contact-form,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .partners {
    padding: 76px 20px 84px;
  }

  .partners-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .partners-heading p {
    margin-left: 0;
  }

  .partner-marquee {
    width: calc(100vw - 20px);
    margin-top: 38px;
    mask-image: linear-gradient(90deg, var(--ink) 0%, var(--ink) 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, var(--ink) 0%, var(--ink) 90%, transparent 100%);
  }

  .partner-group {
    gap: 42px;
    padding: 24px 42px 24px 0;
  }

  .partner-logo {
    width: 156px;
    height: 80px;
  }

  .partner-logo img {
    max-height: 70px;
  }

  .site-footer {
    gap: 36px;
  }

  .site-footer small {
    grid-column: auto;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .glass-card {
    transform: none !important;
  }

  .partner-marquee {
    overflow-x: auto;
    mask-image: none;
    -webkit-mask-image: none;
  }

  .partner-track {
    animation: none;
    transform: none;
    will-change: auto;
  }

  .partner-group[aria-hidden="true"] {
    display: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header,
  .glass-card,
  .access-strip,
  .platform-map__shell {
    background: var(--surface);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}