:root {
  --bg: #0a0a0d;
  --bg-2: #121216;
  --panel: rgba(255, 255, 255, 0.05);
  --panel-soft: rgba(255, 255, 255, 0.035);
  --line: rgba(255, 255, 255, 0.10);
  --text: #f5f5f7;
  --muted: #c6c6cc;
  --muted-2: #8e8e93;
  --accent: #2997ff;
  --accent-2: #9ecbff;
  --max: 1240px;
  --radius: 24px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #050507 0%, #0a0a0d 34%, #111115 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
p { margin: 0; }
.site-header, .section, .site-footer {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}
.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.018;
  background-image: radial-gradient(rgba(255,255,255,.28) 0.6px, transparent 0.6px);
  background-size: 16px 16px;
}
.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  margin-top: 18px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(20, 20, 24, 0.72);
  backdrop-filter: blur(20px) saturate(140%);
  box-shadow: 0 10px 40px rgba(0,0,0,0.22);
}
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand-mark { width: 50px; height: 50px; border-radius: 14px; overflow: hidden; flex: 0 0 auto; }
.brand-copy { display: grid; gap: 2px; }
.brand-copy strong, h1, h2, .quote-card blockquote {
  font-family: "Space Grotesk", Inter, system-ui, sans-serif;
}
.brand-copy strong { font-size: 0.98rem; letter-spacing: 0.08em; }
.brand-copy span, .desktop-nav a, .site-footer span, .site-footer p { color: #d2d2d7; }
.desktop-nav { display: inline-flex; gap: 24px; font-size: 0.98rem; font-weight: 500; }
.desktop-nav a { opacity: 0.94; }
.desktop-nav a:hover { opacity: 1; color: var(--text); }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
  font-weight: 600;
}
.button:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.22); box-shadow: 0 10px 24px rgba(0,0,0,0.18); }
.button.primary { background: linear-gradient(180deg, #ffffff, #e8e8ed); color: #111114; }
.button.secondary, .button.ghost { background: rgba(255,255,255,0.04); }
.section { padding: 96px 0; }
.hero, .page-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}
.hero { min-height: min(860px, calc(100vh - 140px)); }
.eyebrow, .kicker {
  color: #bddcff;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}
.eyebrow { margin: 0 0 14px; }
.kicker { display: inline-flex; margin-bottom: 14px; }
h1, h2, h3 { margin: 0; line-height: 1.02; }
h1 { font-size: clamp(3.2rem, 6vw, 6.2rem); letter-spacing: -0.055em; max-width: 11ch; }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); letter-spacing: -0.05em; }
h3 { font-size: 1.16rem; }
.lead {
  margin-top: 22px;
  max-width: 62ch;
  font-size: clamp(1.08rem, 1.9vw, 1.22rem);
  line-height: 1.78;
  color: #e0e0e6;
}
.hero-actions, .cta-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.partner-strip, .hero-stats, .story-grid, .hardware-grid, .quote-grid, .use-case-grid, .signal-grid, .strategy-grid, .mission-band {
  display: grid;
  gap: 22px;
}
.partner-strip { grid-template-columns: repeat(6, minmax(0, 1fr)); margin-top: 28px; }
.partner-strip span {
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  text-align: center;
  font-size: 0.92rem;
}
.hero-stats { grid-template-columns: repeat(3, minmax(0,1fr)); margin-top: 34px; }
.story-grid, .signal-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.hardware-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.use-case-grid, .strategy-grid, .quote-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.mission-band { grid-template-columns: 1.05fr .95fr; align-items: stretch; }
.hero-stats > div,
.story-card,
.hardware-card,
.signal-card,
.strategy-card,
.feature-card,
.use-case-card,
.cta-card,
.quote-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  backdrop-filter: blur(18px) saturate(130%);
  box-shadow: var(--shadow);
}
.hero-stats > div, .story-card, .signal-card, .strategy-card, .feature-card, .quote-card { padding: 30px; }
.hero-stats strong { display: block; margin-bottom: 6px; }
.hero-stats span, .story-card p, .signal-card p, .strategy-card p, .feature-card p, .use-case-card p, .hardware-card p, .cta-card p, .section-heading p:last-child, .site-footer p { color: #d7d7dc; line-height: 1.84; font-size: 1.04rem; }
.hero-shell, .page-photo-frame {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255,255,255,0.10);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  box-shadow: var(--shadow);
}
.hero-shell {
  min-height: 760px;
  padding: 28px;
  background-image: linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.02)), url('./assets/photos/unitree-h1-real2.jpg');
  background-size: cover;
  background-position: center 12%;
}
.hero-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(10,10,14,0.04) 42%, rgba(8,8,10,0.48) 100%);
}
.hero-shell .photo-caption { position: absolute; left: 30px; right: 30px; bottom: 28px; z-index: 1; display: flex; justify-content: space-between; gap: 18px; align-items: end; }
.page-photo-frame { padding: 20px; }
.page-photo-frame img, .hardware-card img, .use-case-card img {
  width: 100%;
  border-radius: 22px;
  object-fit: contain;
  background: radial-gradient(circle at top, rgba(255,255,255,0.07), rgba(255,255,255,0.015));
}
.page-photo-frame img { min-height: 560px; max-height: 760px; }
.page-photo-frame.scene img,
.use-case-card.scene img,
.hardware-card.scene img {
  object-fit: cover;
  background: transparent;
}
.hardware-card, .use-case-card { overflow: hidden; }
.hardware-card img, .use-case-card img { aspect-ratio: 16/11; padding: 22px; }
.use-case-card.scene img,
.page-photo-frame.scene img,
.hardware-card.scene img { padding: 0; }
.clean-shot {
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(241,244,249,0.92)) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.95), 0 32px 80px rgba(0,0,0,0.12);
}
.clean-shot img {
  object-fit: contain !important;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(237,241,247,0.92)) !important;
  padding: 20px !important;
}
.robot-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}
.robot-gallery-card {
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(239,243,248,0.92));
  box-shadow: 0 28px 72px rgba(0,0,0,0.12);
}
.robot-gallery-card img {
  width: 100%;
  aspect-ratio: 1 / 1.08;
  object-fit: contain;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(242,245,250,0.95));
}
.robot-gallery-card .card-copy { padding: 0 20px 22px; }
.robot-gallery-card .card-copy p {
  color: #4f5463;
  line-height: 1.65;
  font-size: 0.98rem;
}
.robot-gallery-card .kicker,
.clean-shot .kicker { color: #5d667a; }
.hardware-card .card-copy, .use-case-card .card-copy { padding: 0 24px 26px; }
.inline-link { color: var(--accent-2); font-weight: 700; }
.section-heading { max-width: 860px; margin-bottom: 30px; }
.alt-surface {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 34px;
  padding: 30px;
  background: rgba(255,255,255,0.025);
  backdrop-filter: blur(18px);
}
.quote-card blockquote { margin: 0; font-size: clamp(1.6rem, 3vw, 2.5rem); letter-spacing: -0.035em; line-height: 1.14; }
.cta-card { text-align: center; padding: 54px; }
.cta-card h2 { max-width: 16ch; margin-inline: auto; }
.cta-card p { max-width: 58ch; margin: 18px auto 0; }
.photo-caption strong { font-size: 1rem; }
.photo-caption span { display: block; margin-top: 4px; color: #d0d0d5; font-size: 0.98rem; }
.site-footer {
  padding: 22px 0 56px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  font-size: 1rem;
}
.reveal { opacity: 1; transform: none; }
@media (max-width: 1120px) {
  .hero, .page-hero, .mission-band { grid-template-columns: 1fr; min-height: auto; }
  .partner-strip, .story-grid, .signal-grid, .hardware-grid, .use-case-grid, .strategy-grid, .quote-grid, .robot-gallery { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .page-photo-frame img { min-height: 420px; }
}
@media (max-width: 760px) {
  .site-header { padding: 14px 16px; border-radius: 26px; }
  .desktop-nav, .site-header .button.ghost { display: none; }
  .section { padding: 68px 0; }
  h1 { font-size: clamp(2.6rem, 14vw, 4.3rem); }
  .partner-strip, .hero-stats, .story-grid, .signal-grid, .hardware-grid, .use-case-grid, .strategy-grid, .quote-grid, .robot-gallery { grid-template-columns: 1fr; }
  .hero-shell { min-height: 420px; }
  .page-photo-frame img { min-height: 320px; }
  .hero-shell .photo-caption { position: static; margin-top: 18px; display: grid; gap: 10px; }
  .site-footer { flex-direction: column; align-items: flex-start; }
  .cta-card, .story-card, .signal-card, .strategy-card, .quote-card, .feature-card, .alt-surface, .hero-stats > div { padding: 24px; }
  .hero-stats span, .story-card p, .signal-card p, .strategy-card p, .feature-card p, .use-case-card p, .hardware-card p, .cta-card p, .section-heading p:last-child, .site-footer p, .photo-caption span { font-size: 1.02rem; }
}