:root {
  --void: #030706;
  --deep: #07110f;
  --glass: rgba(234, 250, 244, 0.08);
  --glass-strong: rgba(234, 250, 244, 0.16);
  --card-bg: rgba(8, 25, 30, 0.48);
  --line: rgba(211, 255, 241, 0.18);
  --line-hot: rgba(94, 255, 213, 0.58);
  --text: #f0fbf6;
  --muted: #9db4ad;
  --aqua: #5eb7ff;
  --lime: #8ad8ff;
  --blue: #2f6bff;
  --amber: #ffd36b;
  --max: 1220px;
  --header-h: 72px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -10%, rgba(255, 255, 255, 0.13), transparent 22rem),
    radial-gradient(circle at var(--mx, 72%) var(--my, 22%), rgba(94, 183, 255, 0.2), transparent 28rem),
    radial-gradient(circle at 18% 78%, rgba(47, 107, 255, 0.12), transparent 24rem),
    linear-gradient(180deg, #030712 0%, #07111c 48%, #020409 100%);
  font-family: "Aptos", "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(211, 255, 241, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(211, 255, 241, 0.028) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 50% 42%, black, transparent 76%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 120% 80% at 50% 50%, rgba(94, 183, 255, 0.06), transparent 70%);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14, 31, 28, 0.7), rgba(3, 7, 6, 0.56));
  backdrop-filter: blur(24px) saturate(1.3);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
}

.nav-shell {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 22px;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 220px;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  width: 240px;
  min-width: 240px;
  min-height: 38px;
  position: relative;
}

.brand-logo {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  max-width: 220px;
  max-height: 38px;
}

.nav-links {
  justify-self: center;
  display: grid;
  grid-template-columns: repeat(6, 104px);
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: #c8dad4;
  font-size: 15px;
  font-weight: 620;
}

.nav-links > a,
.nav-item > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  width: 100%;
  padding: 0 14px;
  border-radius: 12px;
  transition: color 180ms ease, background 180ms ease;
}

.nav-links > a::after,
.nav-item > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--aqua);
  transition: transform 180ms ease;
}

.nav-links > a:hover::after,
.nav-links > a.active::after,
.nav-item > a:hover::after,
.nav-item > a.active::after {
  transform: scaleX(1);
}

.nav-links > a:hover,
.nav-item:hover > a {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.nav-item {
  position: relative;
  width: 104px;
  padding: 0;
}

.nav-menu {
  position: absolute;
  left: 50%;
  top: 100%;
  width: 360px;
  z-index: 80;
  margin-top: 8px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), rgba(8,18,17,0.66));
  backdrop-filter: blur(28px) saturate(1.45);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 28px 90px rgba(0,0,0,0.38);
  transform: translate(-50%, 10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-item::before {
  content: "";
  position: absolute;
  left: -40px;
  right: -40px;
  top: 100%;
  height: 22px;
}

.has-menu:hover .nav-menu,
.has-menu:focus-within .nav-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-menu a {
  display: grid;
  gap: 5px;
  padding: 14px 15px;
  border-radius: 12px;
}

.nav-menu a:hover {
  background: rgba(255,255,255,0.1);
}

.nav-menu strong {
  color: var(--text);
  font-size: 15px;
}

.nav-menu span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  justify-content: flex-end;
  gap: 10px;
  width: 220px;
}

/* ── Buttons ─────────────────────────────────────────── */

.lang-toggle,
.menu-toggle,
.cta,
.button-secondary {
  min-height: 44px;
  border: 0;
  cursor: pointer;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  transition: transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 320ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
              background 280ms ease;
}

/* shimmer sweep on hover */
.cta::before,
.lang-toggle::before,
.button-secondary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(255, 255, 255, 0.25) 50%,
    transparent 80%
  );
  border-radius: inherit;
  pointer-events: none;
  transition: left 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.cta:hover::before,
.lang-toggle:hover::before,
.button-secondary:hover::before {
  left: 120%;
}

/* inner glass highlight */
.cta::after,
.lang-toggle::after,
.button-secondary::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0.18),
    transparent 30%,
    transparent 70%,
    rgba(255, 255, 255, 0.06)
  );
  pointer-events: none;
}

.menu-toggle {
  display: none;
  width: 42px;
  position: relative;
  background: none;
}

.menu-toggle::before,
.menu-toggle::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1.5px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 220ms ease, top 220ms ease, bottom 220ms ease;
}

.menu-toggle::before {
  top: 15px;
}

.menu-toggle::after {
  bottom: 15px;
}

/* middle hamburger line (via background gradient) */
.menu-toggle {
  background:
    linear-gradient(var(--text), var(--text)) center / calc(100% - 22px) 1.5px no-repeat;
}

/* open state → X */
.nav-links.open ~ .nav-actions .menu-toggle,
.menu-toggle.open {
  background: none;
}

.menu-toggle.open::before,
.nav-links.open ~ .nav-actions .menu-toggle::before {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.menu-toggle.open::after,
.nav-links.open ~ .nav-actions .menu-toggle::after {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

.cta,
.lang-toggle,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 28px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
}

/* ── CTA Primary Button ──────────────────────────────── */
.cta {
  background: linear-gradient(135deg, #5eb7ff 0%, #3a8fff 50%, #2f6bff 100%);
  color: var(--text);
  box-shadow:
    0 0 0 1px rgba(94, 183, 255, 0.4),
    0 2px 8px rgba(47, 107, 255, 0.2),
    0 8px 24px rgba(47, 107, 255, 0.15);
}

.cta:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow:
    0 0 0 1px rgba(94, 183, 255, 0.6),
    0 4px 16px rgba(47, 107, 255, 0.3),
    0 12px 40px rgba(47, 107, 255, 0.25),
    0 0 60px rgba(94, 183, 255, 0.15);
  background: linear-gradient(135deg, #72c4ff 0%, #4d9dff 50%, #3d7bff 100%);
}

.cta:active {
  transform: translateY(0) scale(0.98);
  box-shadow:
    0 0 0 1px rgba(94, 183, 255, 0.3),
    0 1px 4px rgba(47, 107, 255, 0.15);
  transition-duration: 80ms;
}

.lang-toggle {
  padding: 0 13px;
}

/* ── Secondary Button ─────────────────────────────────── */
.button-secondary,
.lang-toggle {
  background: linear-gradient(135deg,
    rgba(240, 251, 246, 0.07) 0%,
    rgba(94, 183, 255, 0.04) 100%);
  color: var(--text);
  box-shadow:
    inset 0 0 0 1px rgba(211, 255, 241, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(20px);
}

.button-secondary:hover,
.lang-toggle:hover {
  transform: translateY(-3px) scale(1.03);
  background: linear-gradient(135deg,
    rgba(240, 251, 246, 0.14) 0%,
    rgba(94, 183, 255, 0.1) 100%);
  box-shadow:
    inset 0 0 0 1px rgba(94, 183, 255, 0.5),
    0 4px 20px rgba(94, 183, 255, 0.12),
    0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 40px rgba(94, 183, 255, 0.08);
  color: #fff;
}

.button-secondary:active,
.lang-toggle:active {
  transform: translateY(0) scale(0.98);
  box-shadow:
    inset 0 0 0 1px rgba(211, 255, 241, 0.1),
    0 1px 4px rgba(0, 0, 0, 0.15);
  transition-duration: 80ms;
}

.container {
  width: min(var(--max), calc(100vw - 44px));
  margin: 0 auto;
}

.section {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  padding: 72px 0;
  border-top: 1px solid var(--line);
  display: grid;
  align-items: center;
}

.section.alt {
  background: linear-gradient(180deg, rgba(240, 251, 246, 0.035), rgba(240, 251, 246, 0.01));
}

.hero {
  min-height: calc(100vh - var(--header-h));
  display: grid;
  align-items: center;
  padding: 0;
  position: relative;
  overflow: hidden;
}

.home-hero {
  min-height: calc(100vh - var(--header-h));
  isolation: isolate;
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background: #02070c;
}

.home-hero::after {
  content: none;
}

.hero-stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.home-hero .container {
  position: relative;
  z-index: 2;
}

.home-hero h1 {
  max-width: 1040px;
  font-size: clamp(42px, 4.8vw, 68px);
  text-wrap: balance;
}

.home-hero .hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(2, 7, 12, 0.7) 0%, rgba(2, 7, 12, 0.46) 36%, rgba(2, 7, 12, 0.12) 70%, rgba(2, 7, 12, 0.28) 100%),
    linear-gradient(180deg, rgba(2, 7, 12, 0.04) 0%, rgba(2, 7, 12, 0.06) 58%, rgba(2, 7, 12, 0.38) 100%);
}

.home-hero .hero-stage::after {
  content: none;
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  filter: saturate(0.9) contrast(1.02) brightness(0.98);
}

.home-hero .orbit,
.home-hero .beam,
.home-hero .scanline {
  display: none;
}

.hero-stage .orbit {
  position: absolute;
  z-index: 3;
  left: 9vw;
  top: 18vh;
  width: min(48vw, 660px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.14);
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.16), transparent 16%),
    radial-gradient(circle at 42% 42%, rgba(94,183,255,0.3), transparent 27%),
    linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02));
  box-shadow: inset 0 0 90px rgba(255,255,255,0.08), 0 0 90px rgba(94,183,255,0.2);
  animation: float-stage 8s ease-in-out infinite;
  opacity: 0.18;
  mix-blend-mode: screen;
}

.hero-stage .orbit::before,
.hero-stage .orbit::after {
  content: "";
  position: absolute;
  inset: 14%;
  border: 1px solid rgba(94,183,255,0.24);
  border-radius: 32%;
  transform: rotate(28deg);
}

.hero-stage .orbit::after {
  inset: 30%;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255,255,255,0.34), rgba(255,255,255,0.06));
  backdrop-filter: blur(24px);
}

.hero-stage .beam {
  position: absolute;
  z-index: 3;
  left: 38vw;
  top: 10vh;
  width: 38vw;
  height: 80vh;
  background: linear-gradient(95deg, transparent, rgba(94,183,255,0.2), transparent);
  filter: blur(18px);
  transform: skewX(-16deg);
  animation: beam-sweep 7s ease-in-out infinite;
  opacity: 0.32;
  mix-blend-mode: screen;
}

.hero-stage .scanline {
  position: absolute;
  inset: 0;
  z-index: 4;
  background: linear-gradient(180deg, transparent 0 47%, rgba(94,183,255,0.24) 50%, transparent 53%);
  opacity: 0.12;
  animation: scan 5.4s linear infinite;
}

.hero-grid,
.split,
.contact-panel,
.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(380px, 0.8fr);
  gap: 46px;
  align-items: center;
}

.eyebrow {
  color: var(--aqua);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

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

h1,
h2,
.quote {
  font-family: "Bahnschrift", "Aptos Display", "Segoe UI", "Noto Sans SC", sans-serif;
}

h1 {
  max-width: 940px;
  margin: 14px 0 24px;
  font-size: clamp(42px, 5.4vw, 76px);
  line-height: 0.96;
  font-weight: 760;
  overflow-wrap: anywhere;
}

h2 {
  margin: 12px 0 18px;
  font-size: clamp(32px, 4.1vw, 56px);
  line-height: 1.02;
  font-weight: 720;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.24;
}

.lead {
  max-width: 760px;
  color: #d7e7e1;
  font-size: clamp(16px, 1.55vw, 20px);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.hero-actions,
.tag-list,
.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 34px;
}

.hero-evidence {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.evidence {
  min-height: 126px;
  padding: 22px;
  background: rgba(6, 19, 17, 0.88);
}

.evidence strong {
  display: block;
  margin-bottom: 10px;
  font-size: 17px;
}

.evidence span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.media-placeholder {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  border: 1px solid var(--line-hot);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent 36%),
    radial-gradient(circle at 25% 22%, rgba(94, 183, 255, 0.22), transparent 20rem),
    radial-gradient(circle at 80% 72%, rgba(47, 107, 255, 0.14), transparent 18rem),
    linear-gradient(135deg, rgba(240, 251, 246, 0.09), rgba(240, 251, 246, 0.02));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    inset 0 -1px 0 rgba(94, 183, 255, 0.12),
    inset 0 0 80px rgba(94, 183, 255, 0.06),
    0 34px 130px rgba(0, 0, 0, 0.42);
  isolation: isolate;
  backdrop-filter: blur(22px) saturate(1.4);
}

.home-hero .media-placeholder {
  background: linear-gradient(145deg, rgba(255,255,255,0.14), rgba(240,251,246,0.04));
}

.media-placeholder::before {
  content: "";
  position: absolute;
  inset: -35%;
  z-index: -1;
  background:
    repeating-linear-gradient(90deg, transparent 0 30px, rgba(94, 183, 255, 0.11) 31px 32px),
    conic-gradient(from 180deg, transparent 0 20%, rgba(94, 183, 255, 0.2), transparent 34% 60%, rgba(47, 107, 255, 0.14), transparent 75%);
  animation: drift 14s linear infinite;
}

.media-placeholder::after {
  content: attr(data-kind) " PLACEHOLDER";
  position: absolute;
  left: 22px;
  top: 18px;
  color: var(--aqua);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.media-placeholder.formal-visual::after {
  content: attr(data-kind);
}

.media-copy {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  display: grid;
  gap: 10px;
  padding: 20px;
  border: 1px solid rgba(211, 255, 241, 0.22);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(244, 255, 251, 0.13), rgba(3, 7, 6, 0.68));
  backdrop-filter: blur(22px) saturate(1.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.media-copy strong {
  font-size: 24px;
}

.media-copy span {
  color: var(--muted);
  line-height: 1.55;
  font-size: 13px;
}

.video-placeholder {
  min-height: 560px;
}

.video-placeholder .play {
  position: absolute;
  left: 50%;
  top: 42%;
  width: 92px;
  height: 92px;
  transform: translate(-50%, -50%);
  border: 1px solid var(--line-hot);
  display: grid;
  place-items: center;
  color: var(--aqua);
  background: rgba(3, 7, 6, 0.55);
  box-shadow: 0 0 60px rgba(94, 183, 255, 0.25);
}

.video-placeholder .play::before {
  content: "";
  width: 0;
  height: 0;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  border-left: 22px solid currentColor;
  margin-left: 6px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 0.55fr);
  gap: 46px;
  align-items: end;
  margin-bottom: 42px;
}

.section-copy,
.muted {
  color: var(--muted);
  line-height: 1.75;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 16px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.card,
.product-card,
.feature,
.metric,
.timeline-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(240, 251, 246, 0.04) 38%, rgba(94, 183, 255, 0.045)),
    var(--glass);
  backdrop-filter: blur(24px) saturate(1.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(94, 183, 255, 0.08),
    0 24px 80px rgba(0, 0, 0, 0.22);
}

.card,
.product-card,
.feature {
  padding: 24px;
}

.card p,
.product-card p,
.feature p {
  color: var(--muted);
  line-height: 1.7;
}

.product-card {
  position: relative;
  min-height: 360px;
  display: grid;
  align-content: space-between;
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.card::after,
.product-card::after,
.feature::after,
.metric::after,
.timeline-item::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(255,255,255,0.16), transparent 28%, transparent 72%, rgba(94,183,255,0.08));
  opacity: 0.62;
}

.card,
.feature,
.metric,
.timeline-item {
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: attr(data-index);
  position: absolute;
  right: 18px;
  top: 14px;
  color: rgba(240, 251, 246, 0.12);
  font-size: 82px;
  font-weight: 900;
  line-height: 1;
}

.product-card:hover {
  transform: translateY(-10px) scale(1.01);
  border-color: var(--line-hot);
  background: var(--glass-strong);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 34px 110px rgba(0, 0, 0, 0.34),
    0 0 60px rgba(94, 183, 255, 0.12);
}

.product-card .mini-visual {
  height: 132px;
  margin-bottom: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at 30% 35%, rgba(94, 183, 255, 0.24), transparent 90px),
    linear-gradient(120deg, rgba(240, 251, 246, 0.08), transparent);
  position: relative;
  overflow: hidden;
}

.card .media-placeholder {
  min-height: 250px;
  margin-bottom: 20px;
}

.product-card .mini-visual::after {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(94, 183, 255, 0.42);
  transform: skewX(-12deg);
  animation: pulse-line 2.4s ease-in-out infinite;
}

.lingo-system {
  overflow: hidden;
  min-height: calc(100vh - var(--header-h));
  isolation: isolate;
  background:
    radial-gradient(circle at 70% 30%, rgba(94, 183, 255, 0.12), transparent 28rem),
    linear-gradient(180deg, rgba(2, 8, 14, 0.4), rgba(2, 8, 14, 0.08));
}

.lingo-system .container {
  position: relative;
  z-index: 2;
}

.lingo-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  background-image: var(--lingo-bg-image);
  background-size: cover;
  background-position: center;
  transform: scale(1.035);
  will-change: opacity, transform;
  transition: opacity 420ms ease, transform 800ms ease;
}

.lingo-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 7, 12, 0.45) 0%, rgba(2, 7, 12, 0.22) 44%, rgba(2, 7, 12, 0.08) 100%),
    linear-gradient(180deg, rgba(2, 7, 12, 0.18), rgba(2, 7, 12, 0.48));
}

.lingo-system.is-active .lingo-bg {
  opacity: 1;
  transform: scale(1);
}

.lingo-system .section-head {
  margin-bottom: 56px;
}

.lingo-products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.lingo-system .product-card {
  min-height: 282px;
  padding: 24px;
  align-content: start;
  gap: 18px;
  cursor: pointer;
  border-color: rgba(216, 238, 231, 0.2);
  background: rgba(5, 15, 22, 0.42);
  box-shadow: none;
  backdrop-filter: blur(18px) saturate(1.2);
  transition: opacity 220ms ease, transform 220ms ease, border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.lingo-system .product-card::after {
  opacity: 0;
}

.lingo-system .product-card::before {
  right: 18px;
  top: 18px;
  font-size: 38px;
  color: rgba(240, 251, 246, 0.18);
}

.lingo-system .product-card h3 {
  margin: 10px 0 0;
  font-size: 25px;
}

.lingo-system .product-card p {
  margin: 0;
  color: rgba(216, 238, 231, 0.74);
  font-size: 15px;
}

.product-role {
  width: max-content;
  max-width: calc(100% - 54px);
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(94, 183, 255, 0.58);
  color: var(--aqua);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lingo-system .tag {
  margin-top: auto;
  width: max-content;
  min-height: 34px;
  padding: 0 14px;
  border-color: rgba(216, 238, 231, 0.26);
  background: rgba(255, 255, 255, 0.045);
  color: #f0fbf6;
}

.lingo-system.has-selection .product-card:not(.is-active) {
  opacity: 0.68;
}

.lingo-system .product-card:hover,
.lingo-system .product-card:focus-visible,
.lingo-system .product-card.is-active {
  opacity: 1;
  transform: translateY(-14px) scale(1.04);
  border-color: rgba(94, 183, 255, 0.82);
  background: rgba(7, 23, 33, 0.52);
  box-shadow:
    0 30px 88px rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(94, 183, 255, 0.18);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--line);
  color: #d8eee7;
  font-size: 12px;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.flow-node {
  min-height: 230px;
  padding: 26px;
  background: rgba(6, 19, 17, 0.9);
  backdrop-filter: blur(20px);
}

.flow-node b {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 34px;
  border: 1px solid var(--line-hot);
  color: var(--aqua);
  font-size: 12px;
}

.flow-6 {
  grid-template-columns: repeat(6, 1fr);
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.metric {
  padding: 26px;
  background: rgba(6, 19, 17, 0.95);
}

.metric strong {
  display: block;
  margin-bottom: 8px;
  color: var(--aqua);
  font-size: 34px;
  font-family: "Bahnschrift", "Aptos Display", sans-serif;
}

.page-hero {
  min-height: calc(100vh - var(--header-h));
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  align-items: center;
}

.page-kicker {
  margin-top: 28px;
}

.subnav a {
  border: 1px solid var(--line);
  padding: 10px 13px;
  color: #d6eee7;
  background: rgba(240, 251, 246, 0.055);
}

.product-hero-card {
  min-height: 620px;
}

.product-spec {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.product-spec strong {
  color: var(--aqua);
}

.brain-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(2, 6, 10, 0.35) 0%, rgba(2, 6, 10, 0.26) 34%, rgba(2, 6, 10, 0.08) 60%, rgba(2, 6, 10, 0.14) 100%),
    linear-gradient(180deg, rgba(2, 6, 10, 0.16) 0%, rgba(2, 6, 10, 0.01) 44%, rgba(2, 6, 10, 0.24) 100%),
    url("assets/home/lingo-brain-bg.png") center center / cover no-repeat;
}

.brain-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(211, 255, 241, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(211, 255, 241, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, black 0 66%, transparent 92%);
}

.brain-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 62% 35%, rgba(94, 183, 255, 0.2), transparent 30rem),
    radial-gradient(circle at 28% 78%, rgba(47, 107, 255, 0.22), transparent 26rem);
  mix-blend-mode: screen;
  opacity: 0.58;
}

.brain-hero .page-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(0, 0.72fr);
  min-height: calc(100vh - var(--header-h) - 144px);
  align-content: center;
}

.brain-hero h1,
.trace-hero h1,
.data-hero h1,
.world-hero h1,
.ailab-hero h1 {
  max-width: 780px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.95), 0 4px 20px rgba(0,0,0,0.7), 0 8px 50px rgba(0,0,0,0.35);
}

.brain-hero .lead {
  max-width: 660px;
  color: #f0fbf6;
  text-shadow: 0 2px 4px rgba(0,0,0,0.95), 0 4px 16px rgba(0,0,0,0.6);
}

/* ---- Trace Hero ---- */
.trace-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(2, 6, 10, 0.32) 0%, rgba(2, 6, 10, 0.24) 34%, rgba(2, 6, 10, 0.06) 60%, rgba(2, 6, 10, 0.12) 100%),
    linear-gradient(180deg, rgba(2, 6, 10, 0.14) 0%, rgba(2, 6, 10, 0.01) 44%, rgba(2, 6, 10, 0.22) 100%),
    url("assets/home/lingo-trace-bg.png") center center / cover no-repeat;
}

.trace-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(0deg, rgba(211, 255, 241, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(211, 255, 241, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, black 0 66%, transparent 92%);
}

.trace-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 36%, rgba(94, 183, 255, 0.22), transparent 26rem),
    radial-gradient(circle at 18% 72%, rgba(47, 107, 255, 0.2), transparent 28rem);
  mix-blend-mode: screen;
  opacity: 0.56;
}

.trace-hero .page-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(0, 0.72fr);
  min-height: calc(100vh - var(--header-h) - 144px);
  align-content: center;
}

.trace-hero .lead {
  max-width: 660px;
  color: #f0fbf6;
  text-shadow: 0 2px 4px rgba(0,0,0,0.95), 0 4px 16px rgba(0,0,0,0.6);
}

/* ---- Data Hero ---- */
.data-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(2, 6, 10, 0.35) 0%, rgba(2, 6, 10, 0.26) 34%, rgba(2, 6, 10, 0.08) 60%, rgba(2, 6, 10, 0.14) 100%),
    linear-gradient(180deg, rgba(2, 6, 10, 0.16) 0%, rgba(2, 6, 10, 0.01) 44%, rgba(2, 6, 10, 0.24) 100%),
    url("assets/home/lingo-data-bg.png") center center / cover no-repeat;
}

.data-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(211, 255, 241, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(211, 255, 241, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, black 0 66%, transparent 92%);
}

.data-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 68% 36%, rgba(94, 183, 255, 0.2), transparent 28rem),
    radial-gradient(circle at 24% 76%, rgba(47, 107, 255, 0.18), transparent 28rem);
  mix-blend-mode: screen;
  opacity: 0.58;
}

.data-hero .page-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(0, 0.72fr);
  min-height: calc(100vh - var(--header-h) - 144px);
  align-content: center;
}

.data-hero .lead {
  max-width: 700px;
  color: #f0fbf6;
  text-shadow: 0 2px 4px rgba(0,0,0,0.95), 0 4px 16px rgba(0,0,0,0.6);
}

/* ---- World Hero ---- */
.world-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(2, 6, 10, 0.35) 0%, rgba(2, 6, 10, 0.26) 34%, rgba(2, 6, 10, 0.08) 60%, rgba(2, 6, 10, 0.14) 100%),
    linear-gradient(180deg, rgba(2, 6, 10, 0.16) 0%, rgba(2, 6, 10, 0.01) 44%, rgba(2, 6, 10, 0.24) 100%),
    url("assets/home/lingo-world-bg.png") center center / cover no-repeat;
}

.world-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(211, 255, 241, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(211, 255, 241, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, black 0 66%, transparent 92%);
}

.world-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 62% 38%, rgba(94, 183, 255, 0.22), transparent 28rem),
    radial-gradient(circle at 22% 74%, rgba(47, 107, 255, 0.2), transparent 28rem);
  mix-blend-mode: screen;
  opacity: 0.58;
}

.world-hero .page-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(0, 0.72fr);
  min-height: calc(100vh - var(--header-h) - 144px);
  align-content: center;
}

.world-hero .lead {
  max-width: 700px;
  color: #f0fbf6;
  text-shadow: 0 2px 4px rgba(0,0,0,0.95), 0 4px 16px rgba(0,0,0,0.6);
}

/* ---- AI Lab Hero ---- */
.ailab-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(2, 6, 10, 0.38) 0%, rgba(2, 6, 10, 0.28) 34%, rgba(2, 6, 10, 0.09) 60%, rgba(2, 6, 10, 0.16) 100%),
    linear-gradient(180deg, rgba(2, 6, 10, 0.18) 0%, rgba(2, 6, 10, 0.01) 44%, rgba(2, 6, 10, 0.26) 100%),
    url("assets/home/ailab-bg.png") center center / cover no-repeat;
}

.ailab-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(211, 255, 241, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(211, 255, 241, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, black 0 66%, transparent 92%);
}

.ailab-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 58% 32%, rgba(94, 183, 255, 0.24), transparent 28rem),
    radial-gradient(circle at 22% 76%, rgba(47, 107, 255, 0.2), transparent 26rem);
  mix-blend-mode: screen;
  opacity: 0.6;
}

.ailab-hero .page-grid {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(0, 0.72fr);
  min-height: calc(100vh - var(--header-h) - 144px);
  align-content: center;
}

.ailab-hero .lead {
  max-width: 700px;
  color: #f0fbf6;
  text-shadow: 0 2px 4px rgba(0,0,0,0.95), 0 4px 16px rgba(0,0,0,0.6);
}

/* ---- AI Lab CTA ---- */
.ailab-cta {
  min-height: auto;
  padding: 88px 0;
}

.ailab-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 28px;
  min-height: 52px;
  font-size: 15px;
  font-weight: 760;
  border: 1px solid rgba(94, 183, 255, 0.7);
  color: #03110e;
  background: linear-gradient(135deg, var(--aqua), #d8fff5);
  box-shadow: 0 0 30px rgba(94, 183, 255, 0.22);
  border-radius: 8px;
  text-decoration: none;
  transition: box-shadow 240ms ease, transform 240ms ease;
}

.ailab-cta-btn:hover {
  box-shadow: 0 0 48px rgba(94, 183, 255, 0.38);
  transform: translateY(-2px);
}

/* ---- AI Lab Task Cards ---- */
.ailab-task-grid {
  margin-top: 12px;
}

.ailab-task-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 24px 36px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: border-color 280ms ease, box-shadow 280ms ease, transform 280ms ease;
  position: relative;
  overflow: hidden;
}

.ailab-task-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(94, 183, 255, 0.06), transparent 70%);
  opacity: 0;
  transition: opacity 360ms ease;
  pointer-events: none;
}

.ailab-task-card:hover,
.ailab-task-card:focus-within {
  border-color: rgba(94, 183, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(94, 183, 255, 0.12) inset;
  transform: translateY(-4px);
}

.ailab-task-card:hover::before,
.ailab-task-card:focus-within::before {
  opacity: 1;
}

.task-icon {
  width: 140px;
  height: 140px;
  color: var(--aqua);
  margin: -8px 0 18px;
  opacity: 0.85;
  transition: opacity 280ms ease, color 280ms ease, filter 280ms ease, transform 280ms ease;
}

.task-icon-img {
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(94, 183, 255, 0.22));
}

.ailab-task-card:hover .task-icon {
  opacity: 1;
  filter: drop-shadow(0 0 26px rgba(94, 183, 255, 0.34));
  transform: scale(1.06);
}

.ailab-task-card b {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  border: 1px solid var(--line-hot);
  border-radius: 50%;
  color: var(--aqua);
  font-size: 11px;
  font-weight: 680;
  letter-spacing: 0.4px;
  background: rgba(94, 183, 255, 0.06);
  transition: background 280ms ease, border-color 280ms ease;
}

.ailab-task-card:hover b {
  background: rgba(94, 183, 255, 0.14);
  border-color: var(--aqua);
}

.ailab-task-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}

.ailab-task-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
  max-width: 280px;
}

/* ---- World Showcase Carousel (Cover Flow) ---- */
.world-showcase {
  padding: 24px 0 24px;
}

.ailab-showcase {
  padding: 56px 0 32px;
}

.world-showcase-header {
  text-align: center;
  padding: 0 24px 24px;
  max-width: 800px;
  margin: 0 auto;
}

.world-showcase-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.world-showcase-header p {
  font-size: 0.96rem;
  color: var(--muted);
  line-height: 1.65;
  margin: 0 auto;
  max-width: 600px;
}

.showcase-carousel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0 48px;
}

/* ── Stage ── */
.carousel-stage {
  width: 100%;
  max-width: 1200px;
}

.carousel-track {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

/* ── Cards ── */
.carousel-card {
  flex: 0 0 auto;
  width: clamp(360px, 48vw, 660px);
  border-radius: 14px;
  overflow: hidden;
  background: var(--deep);
  border: 1px solid var(--line);
  transform-origin: center center;
  transition: all 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
  will-change: transform, opacity, filter;
  margin: 0 -6%;
}

/* Side card: scaled down, pushed back */
.carousel-card[data-pos="left"],
.carousel-card[data-pos="right"] {
  transform: scale(0.7);
  opacity: 0.42;
  z-index: 1;
  filter: brightness(0.45);
  pointer-events: none;
}

.carousel-card[data-pos="left"] {
  transform: scale(0.7) translateX(18%);
}

.carousel-card[data-pos="right"] {
  transform: scale(0.7) translateX(-18%);
}

/* Center card: full size, bright, glowing, on top */
.carousel-card[data-pos="center"] {
  transform: scale(1.08) translateX(0);
  z-index: 3;
  border-color: var(--line-hot);
  box-shadow: 0 0 72px rgba(94, 183, 255, 0.22), 0 8px 36px rgba(0, 0, 0, 0.5);
  opacity: 1;
  filter: brightness(1);
  pointer-events: auto;
}

/* ── Video ── */
.carousel-media {
  position: relative;
  overflow: hidden;
  background: #000;
}

.carousel-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.carousel-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 74%, rgba(2, 6, 10, 0.42));
}

/* ── Arrows ── */
.carousel-arrow {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(6, 19, 17, 0.8);
  backdrop-filter: blur(8px);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s, opacity 0.3s;
  z-index: 10;
  flex-shrink: 0;
}

.carousel-arrow:hover {
  background: rgba(234, 250, 244, 0.14);
  border-color: var(--line-hot);
  box-shadow: 0 0 20px rgba(94, 183, 255, 0.2);
}

.carousel-arrow:active {
  transform: scale(0.94);
}

.carousel-arrow-left {
  margin-right: 14px;
}

.carousel-arrow-right {
  margin-left: 14px;
}

@media (max-width: 980px) {
  .showcase-carousel {
    padding: 0 12px;
  }

  .carousel-card {
    width: 58vw;
    margin: 0 -5%;
  }

  .carousel-card[data-pos="left"],
  .carousel-card[data-pos="right"] {
    transform: scale(0.64);
    opacity: 0.36;
  }

  .carousel-card[data-pos="left"] {
    transform: scale(0.64) translateX(16%);
  }

  .carousel-card[data-pos="right"] {
    transform: scale(0.64) translateX(-16%);
  }

  .carousel-card[data-pos="center"] {
    transform: scale(1.04) translateX(0);
  }

  .carousel-arrow {
    width: 36px;
    height: 36px;
  }

  .carousel-arrow-left { margin-right: 6px; }
  .carousel-arrow-right { margin-left: 6px; }
}

@media (max-width: 640px) {
  .showcase-carousel {
    padding: 0 6px;
  }

  .carousel-card {
    width: 64vw;
    margin: 0 -4%;
  }

  .carousel-card[data-pos="left"],
  .carousel-card[data-pos="right"] {
    transform: scale(0.56);
    opacity: 0.28;
  }

  .carousel-card[data-pos="left"] {
    transform: scale(0.56) translateX(12%);
  }

  .carousel-card[data-pos="right"] {
    transform: scale(0.56) translateX(-12%);
  }

  .carousel-card[data-pos="center"] {
    transform: scale(1) translateX(0);
  }

  .carousel-arrow {
    width: 30px;
    height: 30px;
  }

  .carousel-arrow-left { margin-right: 2px; }
  .carousel-arrow-right { margin-left: 2px; }
}

/* ---- Data Product Page ---- */
.data-architecture-section,
.data-flow-section,
.data-console-section {
  padding: 58px 0;
}

.data-section-copy h2 {
  max-width: 620px;
}

.data-section-copy .lead {
  max-width: 590px;
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 1.65;
}

.data-capability {
  min-height: 280px;
  isolation: isolate;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.data-capability::before {
  content: attr(data-index);
  position: absolute;
  right: 20px;
  top: 16px;
  color: rgba(240, 251, 246, 0.11);
  font-size: 74px;
  font-weight: 900;
  line-height: 1;
  z-index: -1;
}

.data-capability:hover {
  transform: translateY(-10px);
  border-color: var(--line-hot);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 30px 100px rgba(0, 0, 0, 0.3),
    0 0 56px rgba(94, 183, 255, 0.13);
}

.data-visual {
  position: relative;
  margin: 8px auto 0;
  overflow: visible;
}

.data-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  filter:
    drop-shadow(0 28px 80px rgba(0, 0, 0, 0.34))
    drop-shadow(0 0 30px rgba(94, 183, 255, 0.12));
}

.data-architecture-visual img {
  width: min(1320px, 100%);
  max-height: 68vh;
  object-fit: contain;
  margin: 0 auto;
}

.data-architecture-layout {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  min-height: calc(100vh - var(--header-h) - 116px);
}

.data-architecture-layout .data-section-copy {
  display: block;
  max-width: 760px;
}

.data-architecture-layout .data-section-copy h2 {
  max-width: 680px;
}

.data-architecture-layout .data-section-copy .lead {
  margin-bottom: 0;
}

.data-flow-layout {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-items: center;
  min-height: calc(100vh - var(--header-h) - 116px);
}

.data-flow-layout .data-section-copy {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(320px, 0.42fr);
  gap: 38px;
  align-items: end;
  max-width: none;
}

.data-flow-layout .data-section-copy h2 {
  max-width: 620px;
}

.data-console-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.38fr) minmax(0, 0.86fr);
  gap: 54px;
  align-items: center;
  min-height: calc(100vh - var(--header-h) - 116px);
}

/* ---- Console Tiles ---- */
.console-tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 26px;
}

.console-tile {
  position: relative;
  padding: 20px 20px 20px 58px;
  border: 1px solid rgba(94, 183, 255, 0.26);
  border-radius: 12px;
  background: rgba(94, 183, 255, 0.04);
  transition: border-color 220ms ease, background 220ms ease, transform 220ms ease;
}

.console-tile:hover {
  border-color: rgba(94, 183, 255, 0.56);
  background: rgba(94, 183, 255, 0.09);
  transform: translateY(-2px);
}

.console-tile .tile-marker {
  position: absolute;
  left: 16px;
  top: 20px;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(94, 183, 255, 0.18), rgba(47, 107, 255, 0.12));
  border: 1px solid rgba(94, 183, 255, 0.24);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--aqua);
}

.console-tile h4 {
  font-size: 17px;
  color: #effff9;
  margin: 0 0 6px;
  line-height: 1.3;
}

.console-tile p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  margin: 0;
}

.console-tile .zh,
.console-tile .en {
  display: none;
}

:root[data-lang="zh"] .console-tile .zh {
  display: inline;
}

:root[data-lang="en"] .console-tile .en {
  display: inline;
}

.data-console-visual img {
  width: min(940px, 100%);
  max-height: 68vh;
  object-fit: contain;
  margin: 0 auto;
}

/* ---- Workflow Cards ---- */
.workflow-connector {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  margin-top: 52px;
  isolation: isolate;
}

.workflow-connector::before {
  content: "";
  position: absolute;
  left: 9%;
  right: 9%;
  top: 68px;
  height: 1px;
  z-index: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(94, 183, 255, 0.16) 14%,
    rgba(94, 183, 255, 0.28) 50%,
    rgba(94, 183, 255, 0.16) 86%,
    transparent 100%
  );
}

.workflow-card {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 16px 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card-bg);
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
  gap: 14px;
}

.workflow-card:hover {
  transform: translateY(-10px);
  border-color: var(--line-hot);
  box-shadow:
    0 12px 44px rgba(94, 183, 255, 0.13),
    0 0 26px rgba(94, 183, 255, 0.07);
}

.workflow-card-icon {
  width: 72px;
  height: 72px;
  padding: 16px;
  border: 1.5px solid rgba(94, 183, 255, 0.28);
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 35%, rgba(94, 183, 255, 0.1), transparent 70%),
    rgba(6, 19, 17, 0.88);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 0 14px rgba(94, 183, 255, 0.05);
  transition:
    border-color 280ms ease,
    box-shadow 280ms ease,
    transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.workflow-card:hover .workflow-card-icon {
  border-color: rgba(94, 183, 255, 0.56);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 26px rgba(94, 183, 255, 0.16);
  transform: scale(1.06);
}

.workflow-card h4 {
  font-size: 17px;
  color: #effff9;
  margin: 0;
  line-height: 1.2;
  font-weight: 700;
}

.workflow-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.workflow-card p.zh,
.workflow-card p.en {
  display: none;
}

:root[data-lang="zh"] .workflow-card p.zh {
  display: block;
}

:root[data-lang="en"] .workflow-card p.en {
  display: block;
}

.workflow-card .card-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(94, 183, 255, 0.44);
  margin-top: auto;
}

.data-enterprise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.data-system-card {
  min-height: 218px;
}

.data-system-card h3 {
  color: #effff9;
}

.data-delivery-specs {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.data-delivery-specs .product-spec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  min-height: 108px;
  padding: 20px;
  border-bottom: 0;
  background: rgba(6, 19, 17, 0.94);
}

/* ---- Kit Cards (3-col with image + text) ---- */
.kit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 28px;
}

.kit-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  transition: transform 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
}

.kit-card:hover {
  transform: translateY(-8px);
  border-color: var(--line-hot);
  box-shadow: 0 8px 48px rgba(94, 183, 255, 0.14);
}

.kit-card-image {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, rgba(94, 183, 255, 0.05), rgba(47, 107, 255, 0.03));
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kit-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.kit-card-image .img-hint {
  color: var(--muted);
  font-size: 13px;
  opacity: 0.42;
  text-align: center;
  line-height: 1.5;
}

.kit-card-body {
  padding: 26px 24px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.kit-card-body h3 {
  font-size: 22px;
  color: #effff9;
  margin-bottom: 10px;
  line-height: 1.35;
}

.kit-card-body p {
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
  margin: 0;
}

.kit-card-marker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--aqua);
  opacity: 0.5;
  margin-bottom: 14px;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .kit-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .kit-card-image {
    aspect-ratio: 16 / 8;
  }
}

/* ---- Trace Split (left image + right cards) ---- */
.trace-split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.85fr);
  gap: 56px;
  align-items: center;
  margin-top: 28px;
}

.trace-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(94, 183, 255, 0.03), rgba(47, 107, 255, 0.02));
  border: 1px solid var(--line);
}

.trace-visual img {
  display: block;
  width: 100%;
  height: auto;
  transition: opacity 340ms ease;
}

.trace-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.trace-card {
  display: flex;
  gap: 18px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 22px 22px 20px;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
  align-items: flex-start;
}

.trace-card:hover,
.trace-card.is-active {
  transform: translateX(6px);
  border-color: var(--line-hot);
  box-shadow: 0 4px 32px rgba(94, 183, 255, 0.1);
}

.trace-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(94, 183, 255, 0.12), rgba(47, 107, 255, 0.08));
  border: 1px solid rgba(94, 183, 255, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--aqua);
  font-variant-numeric: tabular-nums;
}

.trace-card-body h3 {
  font-size: 20px;
  color: #effff9;
  margin: 0 0 6px;
  line-height: 1.3;
}

.trace-card-body p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
  font-size: 15px;
}

@media (max-width: 980px) {
  .trace-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .trace-visual {
    max-width: 500px;
    margin: 0 auto;
  }
}

.brain-core-visual {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  border: 1px solid var(--line-hot);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 36%, rgba(154, 212, 255, 0.28), transparent 12rem),
    radial-gradient(circle at 30% 74%, rgba(47, 107, 255, 0.18), transparent 16rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(240, 251, 246, 0.035));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 0 100px rgba(94, 183, 255, 0.08),
    0 34px 130px rgba(0, 0, 0, 0.42);
  isolation: isolate;
}

.brain-core-visual::before {
  content: "";
  position: absolute;
  inset: -25%;
  z-index: -1;
  background:
    linear-gradient(rgba(211, 255, 241, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(211, 255, 241, 0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  transform: perspective(720px) rotateX(58deg) translateY(120px);
  animation: drift 18s linear infinite;
}

.brain-core-visual::after {
  content: "WAM CORE";
  position: absolute;
  left: 22px;
  top: 18px;
  color: var(--aqua);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.brain-chip {
  position: absolute;
  left: 50%;
  top: 43%;
  width: 210px;
  height: 210px;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  border: 1px solid rgba(216, 255, 245, 0.6);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(240, 251, 246, 0.18), rgba(94, 183, 255, 0.08)),
    rgba(3, 7, 6, 0.64);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    0 0 80px rgba(94, 183, 255, 0.28);
}

.brain-chip span {
  color: var(--aqua);
  font-size: 42px;
  font-family: "Bahnschrift", "Aptos Display", sans-serif;
  font-weight: 780;
}

.brain-chip strong {
  color: #eafdff;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brain-orbit {
  position: absolute;
  left: 50%;
  top: 43%;
  border: 1px solid rgba(94, 183, 255, 0.36);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotateX(62deg);
}

.orbit-a {
  width: 440px;
  height: 440px;
  animation: slow-rotate 22s linear infinite;
}

.orbit-b {
  width: 330px;
  height: 330px;
  border-color: rgba(255, 211, 107, 0.24);
  animation: slow-rotate 16s linear infinite reverse;
}

.brain-signal {
  position: absolute;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid var(--line);
  color: #dff8f2;
  background: rgba(3, 7, 6, 0.54);
  backdrop-filter: blur(14px);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-a {
  left: 16%;
  top: 28%;
}

.signal-b {
  right: 13%;
  top: 24%;
}

.signal-c {
  right: 16%;
  top: 58%;
}

.signal-d {
  left: 13%;
  top: 62%;
}

.brain-feature {
  min-height: 330px;
  isolation: isolate;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.brain-feature::before {
  content: attr(data-index);
  position: absolute;
  right: 20px;
  top: 16px;
  color: rgba(240, 251, 246, 0.11);
  font-size: 74px;
  font-weight: 900;
  line-height: 1;
  z-index: -1;
  transition: opacity 220ms ease, transform 220ms ease;
}

.brain-feature h3,
.brain-feature p {
  position: relative;
  z-index: 1;
}

.brain-feature:hover {
  transform: translateY(-10px);
  border-color: var(--line-hot);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.17), rgba(240, 251, 246, 0.055) 38%, rgba(94, 183, 255, 0.08)),
    var(--glass-strong);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 -1px 0 rgba(94, 183, 255, 0.12),
    0 34px 110px rgba(0, 0, 0, 0.34),
    0 0 70px rgba(94, 183, 255, 0.16);
}

.brain-feature:hover::before {
  opacity: 0.18;
  transform: translateY(-4px) scale(1.04);
}

.architecture-list {
  display: grid;
  gap: 14px;
  padding: 8px 0;
  background: none;
  border: 0;
  counter-reset: engine-step;
}

.architecture-item {
  counter-increment: engine-step;
  position: relative;
  min-height: 132px;
  padding: 24px 26px 24px 86px;
  display: grid;
  align-content: center;
  gap: 12px;
  border: 1px solid rgba(211, 255, 241, 0.16);
  border-radius: 8px;
  background:
    radial-gradient(circle at 12% 50%, rgba(94, 183, 255, 0.16), transparent 9rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.105), rgba(240, 251, 246, 0.035) 48%, rgba(47, 107, 255, 0.045)),
    rgba(5, 15, 24, 0.76);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.13),
    inset 0 -1px 0 rgba(94, 183, 255, 0.06),
    0 20px 70px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  backdrop-filter: blur(22px) saturate(1.25);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease, background 200ms ease;
}

.architecture-item::before {
  content: "0" counter(engine-step);
  position: absolute;
  left: 24px;
  top: 24px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(94, 183, 255, 0.45);
  color: var(--aqua);
  background: rgba(3, 7, 6, 0.38);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.architecture-item::after {
  content: "";
  position: absolute;
  left: 42px;
  top: 66px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(94, 183, 255, 0.55), transparent);
  pointer-events: none;
}

.architecture-item:last-child::after {
  display: none;
}

.architecture-item strong {
  color: #effff9;
  font-size: 21px;
  line-height: 1.3;
}

.architecture-item span {
  color: var(--muted);
  line-height: 1.7;
}

.architecture-item:hover {
  transform: translateX(8px);
  border-color: var(--line-hot);
  background:
    radial-gradient(circle at 12% 50%, rgba(94, 183, 255, 0.24), transparent 9rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(240, 251, 246, 0.05) 48%, rgba(47, 107, 255, 0.075)),
    rgba(5, 15, 24, 0.82);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 26px 90px rgba(0, 0, 0, 0.28),
    0 0 48px rgba(94, 183, 255, 0.12);
}

.loop-map {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.loop-step {
  position: relative;
  min-height: 310px;
  padding: 26px;
  display: grid;
  align-content: space-between;
  background: rgba(6, 19, 17, 0.94);
  overflow: hidden;
}

.loop-step::before {
  content: "";
  position: absolute;
  right: -34px;
  top: 50%;
  width: 72px;
  height: 1px;
  background: var(--line-hot);
  box-shadow: 0 0 24px rgba(94, 183, 255, 0.32);
}

.loop-step:last-child::before {
  display: none;
}

.loop-step b {
  color: var(--aqua);
  font-size: 24px;
  font-family: "Bahnschrift", "Aptos Display", sans-serif;
}

.loop-step span {
  color: var(--muted);
  line-height: 1.65;
}

.loop-step.primary {
  background:
    radial-gradient(circle at 50% 20%, rgba(94, 183, 255, 0.2), transparent 12rem),
    rgba(6, 19, 17, 0.96);
}

.loop-step.feedback b {
  color: var(--amber);
}

.deployment-visual {
  position: relative;
  margin: 6px 0 0;
  overflow: visible;
}

.deployment-visual img {
  display: block;
  width: min(1320px, 108%);
  max-width: none;
  height: auto;
  margin-left: 50%;
  transform: translateX(-50%);
  object-position: center;
  filter:
    drop-shadow(0 24px 70px rgba(0, 0, 0, 0.36))
    drop-shadow(0 0 28px rgba(94, 183, 255, 0.14));
}

.deployment-section .section-head {
  margin-bottom: 16px;
}

.use-case {
  min-height: 300px;
}

.timeline {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 26px;
  background: rgba(6, 19, 17, 0.94);
}

.timeline-item strong {
  color: var(--lime);
}

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

.contact-form label {
  display: grid;
  gap: 8px;
  color: #d8eee7;
  font-size: 13px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(240, 251, 246, 0.07);
  padding: 14px;
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

/* ---- Company page ---- */
.company-hero {
  position: relative;
  overflow: hidden;
}

.company-hero h1 {
  white-space: nowrap;
}

.company-hero-image {
  background: none !important;
  padding: 0;
  border: none !important;
  box-shadow: none !important;
  border-radius: 8px;
}

.company-hero-image::before,
.company-hero-image::after {
  display: none;
}

/* ---- Belief cards (company page) ---- */
.belief-card {
  min-height: 680px;
  padding: 0;
  overflow: hidden;
  border: none;
  border-radius: 8px;
  background: none;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.22);
  transition: transform 340ms ease, box-shadow 340ms ease;
}

.belief-card::after {
  display: none;
}

.belief-card:hover {
  transform: translateY(-8px);
  border-color: transparent;
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.38), 0 0 70px rgba(94, 183, 255, 0.16);
}

.belief-image {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 680px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.belief-overlay {
  position: relative;
  z-index: 1;
  padding: 32px 28px 160px;
  background: linear-gradient(180deg, rgba(3, 7, 12, 0.88) 0%, rgba(3, 7, 12, 0.55) 55%, transparent 100%);
}

.belief-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  z-index: 0;
  transition: transform 560ms ease;
}

.belief-card:hover .belief-image img {
  transform: scale(1.06);
}

.belief-overlay h3 {
  margin: 0 0 10px;
  color: #f0fbf6;
  font-size: 24px;
  line-height: 1.25;
}

.belief-overlay p {
  margin: 0;
  color: #c8dad4;
  font-size: 15px;
  line-height: 1.65;
}

/* ---- Partner scrolling wall ---- */
.partner-section {
  min-height: auto;
  padding-bottom: 56px;
}

.partner-track {
  width: 100%;
  overflow: hidden;
  margin-top: 8px;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.partner-track-inner {
  display: flex;
  align-items: center;
  gap: 48px;
  width: max-content;
  animation: partner-scroll 72s linear infinite;
}

.partner-track-inner:hover {
  animation-play-state: paused;
}

.partner-logo {
  flex-shrink: 0;
  max-width: 140px;
  max-height: 40px;
  width: auto;
  height: auto;
  display: block;
  opacity: 0.7;
  filter: brightness(0) invert(0.85);
  transition: opacity 240ms ease, filter 240ms ease;
}

.partner-logo:hover {
  opacity: 1;
  filter: brightness(0) invert(1);
}

@keyframes partner-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.partner-cta {
  margin-top: 32px;
  text-align: center;
  font-size: 15px;
}

.partner-cta a {
  color: var(--aqua);
  border-bottom: 1px solid transparent;
  transition: border-color 220ms ease;
}

.partner-cta a:hover {
  border-color: var(--aqua);
}

/* ---- Contact info ---- */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.contact-info-item {
  min-height: 100px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--glass);
  backdrop-filter: blur(18px);
}

.contact-info-full {
  grid-column: 1 / -1;
}

.contact-label {
  color: var(--aqua);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.contact-value {
  color: #d4e8e0;
  font-size: 16px;
  line-height: 1.6;
}

.contact-value a {
  color: #d4e8e0;
  border-bottom: 1px solid rgba(94, 183, 255, 0.3);
  transition: color 180ms ease, border-color 180ms ease;
}

.contact-value a:hover {
  color: var(--text);
  border-color: var(--aqua);
}

.contact-value.address {
  font-size: 14px;
}

@media (max-width: 980px) {
  .contact-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .contact-info-grid {
    grid-template-columns: 1fr;
  }
}

.company-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 38%, rgba(94, 183, 255, 0.12), transparent 26rem),
    radial-gradient(circle at 18% 68%, rgba(47, 107, 255, 0.1), transparent 24rem);
}

.company-hero .page-grid {
  position: relative;
  z-index: 1;
}

.company-statements {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.statement-card {
  position: relative;
  min-height: 260px;
  padding: 42px 38px;
  display: grid;
  align-content: center;
  gap: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(240, 251, 246, 0.04) 38%, rgba(94, 183, 255, 0.04)),
    var(--glass);
  backdrop-filter: blur(24px) saturate(1.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    inset 0 -1px 0 rgba(94, 183, 255, 0.06),
    0 24px 80px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  isolation: isolate;
  transition: border-color 280ms ease, box-shadow 280ms ease, transform 280ms ease;
}

.statement-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(255,255,255,0.14), transparent 28%, transparent 72%, rgba(94,183,255,0.06));
  opacity: 0.6;
  z-index: -1;
}

.statement-card:hover {
  border-color: var(--line-hot);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 28px 100px rgba(0, 0, 0, 0.3),
    0 0 50px rgba(94, 183, 255, 0.1);
  transform: translateY(-4px);
}

.statement-card .eyebrow {
  margin: 0;
}

.statement-text {
  margin: 0;
  color: var(--text);
  font-family: "Bahnschrift", "Aptos Display", "Segoe UI", "Noto Sans SC", sans-serif;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.1;
  font-weight: 720;
  letter-spacing: -0.02em;
}

@media (max-width: 980px) {
  .company-statements {
    grid-template-columns: 1fr;
  }

  .statement-card {
    min-height: 200px;
    padding: 32px 28px;
  }
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  color: var(--muted);
  background: rgba(3, 7, 6, 0.88);
}

.footer-grid {
  width: min(var(--max), calc(100vw - 44px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 18px;
  font-size: 13px;
}

[data-lang="en"] .zh,
[data-lang="zh"] .en {
  display: none !important;
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible,
.no-js .reveal {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slow-rotate {
  to {
    transform: rotate(1turn);
  }
}

@keyframes star-drift {
  to { background-position: 220px 220px, 430px 390px; }
}

@keyframes float-stage {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(-2deg); }
  50% { transform: translate3d(2vw, -2vh, 0) rotate(2deg); }
}

@keyframes beam-sweep {
  0%, 100% { opacity: 0.2; transform: translateX(-6vw) skewX(-16deg); }
  50% { opacity: 0.66; transform: translateX(5vw) skewX(-16deg); }
}

@keyframes scan {
  from { transform: translateY(-70%); }
  to { transform: translateY(70%); }
}

@keyframes drift {
  to {
    transform: translate3d(8%, 5%, 0) rotate(12deg);
  }
}

@keyframes pulse-line {
  0%, 100% {
    opacity: 0.32;
    transform: skewX(-12deg) scale(0.94);
  }
  50% {
    opacity: 0.88;
    transform: skewX(-12deg) scale(1);
  }
}

/* ── Nav breakpoint (desktop nav overflows below ~1132px) ── */
@media (max-width: 1140px) {
  .nav-shell {
    display: flex;
    justify-content: space-between;
  }

  .brand {
    width: auto;
    min-width: 0;
  }

  .nav-actions {
    width: auto;
  }

  .nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    background: rgba(3, 7, 6, 0.96);
    border-radius: 16px;
    max-height: calc(100dvh - var(--header-h) - 24px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 220ms ease, transform 220ms ease;
  }

  .nav-links.open {
    display: flex;
    opacity: 1;
    transform: translateY(0);
  }

  .nav-item {
    display: block;
    width: auto;
  }

  /* kill desktop ::before hover-bridge on mobile */
  .nav-item::before {
    display: none;
  }

  .menu-trigger {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: auto;
    padding: 13px 8px;
    min-height: 46px;
    color: #c8dad4;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    gap: 2px;
    margin: 0;
    padding: 8px;
    background: rgba(255,255,255,0.06);
    border-radius: 12px;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    transition: none;
    position: static;
    width: auto;
    max-width: none;
    z-index: auto;
    opacity: 1;
    pointer-events: auto;
    left: auto;
    top: auto;
    transform: none;
    overflow: visible;
  }

  .has-menu:hover .nav-menu,
  .has-menu:focus-within .nav-menu {
    transform: none;
  }

  .nav-item.has-menu.expanded .nav-menu {
    display: flex;
  }

  /* ── submenu link items ── */
  .nav-menu a {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 10px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.35;
    word-break: break-word;
    overflow-wrap: break-word;
    white-space: normal;
  }

  .nav-menu a strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
  }

  .nav-menu a span {
    display: block;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.4;
  }

  .nav-menu a:hover {
    background: rgba(255,255,255,0.08);
  }

  .nav-item > a::after {
    display: none;
  }

  .nav-item.has-menu > .menu-trigger::after {
    content: "+";
    margin-left: auto;
    font-size: 16px;
    font-weight: 400;
    color: var(--muted);
  }

  .nav-item.has-menu.expanded > .menu-trigger::after {
    content: "\2212";
  }

  .nav-links a {
    padding: 13px 8px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  /* mobile overlay */
  .nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 49;
    background: rgba(0, 0, 0, 0.44);
    backdrop-filter: blur(3px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 220ms ease;
  }

  .nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }

  /* compact CTA on tablet (keep visible, just smaller) */
  .nav-actions .cta {
    padding: 0 14px;
    font-size: 12px;
    min-height: 36px;
  }
}

/* ── Main layout breakpoint ── */
@media (max-width: 980px) {
  .hero-grid,
  .split,
  .contact-panel,
  .page-grid,
  .section-head {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .home-hero {
    min-height: calc(100svh - var(--header-h));
    padding: 92px 0 48px;
  }

  .home-hero .hero-stage::before {
    background:
      linear-gradient(90deg, rgba(2, 7, 12, 0.68), rgba(2, 7, 12, 0.42)),
      linear-gradient(180deg, rgba(2, 7, 12, 0.06), rgba(2, 7, 12, 0.42));
  }

  .hero-video {
    object-position: 54% 50%;
  }

  .home-hero h1 {
    max-width: 760px;
    font-size: clamp(40px, 8vw, 58px);
  }

  .hero-stage .orbit {
    left: -18vw;
    top: 20vh;
    width: 78vw;
    opacity: 0.11;
  }

  .hero-stage .beam {
    opacity: 0.18;
  }

  .hero-evidence,
  .grid-3,
  .grid-4,
  .lingo-products,
  .loop-map,
  .flow,
  .metric-strip,
  .data-enterprise-grid,
  .data-delivery-specs {
    grid-template-columns: 1fr 1fr;
  }

  .data-architecture-layout,
  .data-console-layout,
  .data-flow-layout .data-section-copy {
    grid-template-columns: 1fr;
  }

  .data-flow-layout {
    min-height: auto;
  }

  .workflow-connector {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .workflow-connector::before {
    display: none;
  }

  .data-architecture-visual img,
  .data-console-visual img {
    max-height: none;
  }

  .lingo-system {
    min-height: auto;
  }

  .lingo-bg::after {
    background:
      linear-gradient(180deg, rgba(2, 7, 12, 0.82), rgba(2, 7, 12, 0.72)),
      linear-gradient(90deg, rgba(2, 7, 12, 0.74), rgba(2, 7, 12, 0.48));
  }

  .lingo-system .product-card {
    min-height: 244px;
  }

  .loop-step::before {
    display: none;
  }

  .flow-6 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .container,
  .footer-grid {
    width: calc(100vw - 32px);
    margin-left: auto;
    margin-right: auto;
    padding-left: 0;
    padding-right: 0;
  }

  .nav-shell {
    width: calc(100vw - 32px);
    margin-left: auto;
    margin-right: auto;
    padding-left: 0;
    padding-right: 0;
    gap: 10px;
  }

  .brand {
    min-width: 0;
  }

  .nav-actions {
    flex-shrink: 0;
  }

  /* Keep CTA visible on mobile, just more compact */
  .nav-actions .cta {
    display: inline-flex;
    padding: 0 10px;
    font-size: 11px;
    min-height: 34px;
    border-radius: 6px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.08;
  }

  .home-hero h1 {
    font-size: 34px;
    line-height: 1.08;
  }

  h2 {
    font-size: 36px;
  }

  .hero-evidence,
  .grid-2,
  .grid-3,
  .grid-4,
  .lingo-products,
  .loop-map,
  .flow,
  .metric-strip,
  .data-enterprise-grid,
  .data-delivery-specs {
    grid-template-columns: 1fr;
  }

  .flow-6 {
    grid-template-columns: 1fr 1fr;
  }

  .data-capability,
  .data-system-card {
    min-height: 220px;
  }

  .console-tiles {
    grid-template-columns: 1fr;
  }

  .lingo-system .section-head {
    margin-bottom: 32px;
  }

  .lingo-products {
    gap: 12px;
  }

  .lingo-system .product-card {
    min-height: 214px;
    padding: 20px;
  }

  .lingo-system .product-card:hover,
  .lingo-system .product-card:focus-visible,
  .lingo-system .product-card.is-active {
    transform: translateY(-6px) scale(1.015);
  }

  .page-hero,
  .section {
    min-height: calc(100vh - var(--header-h));
    padding: 56px 0;
  }

  .lingo-system {
    min-height: auto;
  }

  .brain-core-visual,
  .product-hero-card {
    min-height: 440px;
  }

  .brain-chip {
    width: 160px;
    height: 160px;
  }

  .brain-chip span {
    font-size: 34px;
  }

  .orbit-a {
    width: 300px;
    height: 300px;
  }

  .orbit-b {
    width: 230px;
    height: 230px;
  }

  .brain-signal {
    font-size: 10px;
  }

  .signal-a,
  .signal-d {
    left: 8%;
  }

  .signal-b,
  .signal-c {
    right: 8%;
  }

  .brain-feature,
  .architecture-item,
  .loop-step,
  .use-case {
    min-height: 240px;
  }

  .architecture-item {
    padding: 22px 20px 22px 70px;
  }

  .architecture-item::before {
    left: 18px;
    top: 22px;
    width: 34px;
    height: 34px;
  }

  .architecture-item::after {
    left: 35px;
    top: 62px;
  }

  .deployment-visual img {
    width: 100%;
    margin-left: 0;
    transform: none;
  }

  .data-architecture-visual img,
  .data-console-visual img {
    width: 100%;
    max-height: none;
  }

  .workflow-connector {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .media-placeholder {
    min-height: 380px;
  }

  .timeline-item,
  .product-spec,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  /* Fix: allow company hero title to wrap on mobile */
  .company-hero h1 {
    white-space: normal;
  }

  /* Safe area insets for notched phones */
  .site-header {
    padding-top: env(safe-area-inset-top, 0);
    padding-left: env(safe-area-inset-left, 0);
    padding-right: env(safe-area-inset-right, 0);
  }

  .site-footer {
    padding-bottom: env(safe-area-inset-bottom, 0);
    padding-left: env(safe-area-inset-left, 0);
    padding-right: env(safe-area-inset-right, 0);
  }

  /* Prevent iOS input zoom */
  .contact-form input,
  .contact-form textarea,
  .contact-form select {
    font-size: 16px;
  }
}