/* ============ base ============ */
:root {
  --bg: #020b18;
  --bg2: #04162b;
  --panel: rgba(10, 32, 58, 0.55);
  --cyan: #38e8ff;
  --blue: #2b6cff;
  --ice: #9fd8ff;
  --text: #e8f4ff;
  --dim: #8fb3cc;
  --line: rgba(56, 232, 255, 0.18);
  --grad: linear-gradient(92deg, #38e8ff, #2b6cff);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
}
h1, h2, h3, .logo, .num { font-family: 'Space Grotesk', sans-serif; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* 3D canvas fixed behind everything */
#scene { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
main, header, footer { position: relative; z-index: 1; }

/* ============ nav ============ */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(20px, 5vw, 64px);
  background: rgba(2, 11, 24, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
#nav.scrolled { padding-top: 12px; padding-bottom: 12px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 2px; font-size: 15px; white-space: nowrap; flex-shrink: 0; }
.logo em { font-style: normal; color: var(--cyan); }
.links { display: flex; gap: 28px; align-items: center; font-size: 14px; }
.links a { color: var(--dim); transition: color .2s; }
.links a:hover { color: var(--cyan); }
.btn-nav { border: 1px solid var(--cyan); color: var(--cyan) !important; padding: 8px 18px; border-radius: 999px; transition: all .25s; }
.btn-nav:hover { background: var(--cyan); color: #02131f !important; }

#burger { display: none; background: none; border: 0; cursor: pointer; z-index: 60; }
#burger span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: .3s; }
#burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#burger.open span:nth-child(2) { opacity: 0; }
#burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

#mobile-menu {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(2, 11, 24, 0.96); backdrop-filter: blur(20px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px;
  font-size: 22px; opacity: 0; pointer-events: none; transition: opacity .3s;
}
#mobile-menu.open { opacity: 1; pointer-events: auto; }

/* ============ hero ============ */
.hero { min-height: 100svh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 96px; box-sizing: border-box; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.42; }
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 90% 70% at 50% 45%, transparent 30%, var(--bg) 100%),
              linear-gradient(180deg, rgba(2,11,24,.55) 0%, rgba(2,11,24,.25) 45%, var(--bg) 100%);
}
.hero-content { position: relative; padding: 0 clamp(20px, 8vw, 120px); max-width: 1000px; }
.eyebrow { color: var(--cyan); letter-spacing: 4px; text-transform: uppercase; font-size: 13px; font-weight: 600; margin-bottom: 18px; }
.hero h1 { font-size: clamp(42px, 7.5vw, 96px); line-height: 1.04; font-weight: 700; letter-spacing: -1px; text-shadow: 0 4px 40px rgba(0,0,0,.5); }
.badge {
  display: inline-block; margin-top: 28px; padding: 12px 22px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(10px);
  font-size: 14px; color: var(--dim); max-width: 560px;
}
.badge strong { color: var(--cyan); letter-spacing: 1px; }
.hero-cta { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 14px 32px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform .25s, box-shadow .25s, background .25s; cursor: pointer;
}
.btn.primary { background: var(--grad); color: #02131f; box-shadow: 0 0 32px rgba(56, 232, 255, 0.35); }
.btn.primary:hover { transform: translateY(-3px); box-shadow: 0 8px 44px rgba(56, 232, 255, 0.55); }
.btn.ghost { border: 1px solid var(--line); color: var(--text); backdrop-filter: blur(6px); }
.btn.ghost:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-3px); }
.btn.big { font-size: 17px; padding: 18px 42px; }

.scroll-cue { position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); width: 24px; height: 40px; }
.scroll-cue span {
  position: absolute; inset: 0; border: 2px solid var(--dim); border-radius: 14px; opacity: .6;
}
.scroll-cue span::after {
  content: ''; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px;
  border-radius: 2px; background: var(--cyan); animation: cue 1.8s infinite;
}
@keyframes cue { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ============ marquee ============ */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: rgba(4, 22, 43, 0.6); backdrop-filter: blur(8px); }
.marquee div { display: flex; gap: 34px; padding: 16px 0; width: max-content; animation: scroll 30s linear infinite; }
.marquee span { font-family: 'Space Grotesk'; font-weight: 600; letter-spacing: 3px; font-size: 13px; color: var(--ice); white-space: nowrap; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ============ sections ============ */
.section { padding: clamp(80px, 12vw, 150px) clamp(20px, 5vw, 64px); position: relative; }
.wrap { max-width: 1180px; margin: 0 auto; }
.section h2 { font-size: clamp(30px, 4.5vw, 52px); line-height: 1.12; margin-bottom: 24px; font-weight: 700; }
.lead { color: var(--dim); font-size: 18px; max-width: 720px; }
.split .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(36px, 6vw, 80px); align-items: center; }
.split.reverse .wrap { grid-template-columns: .95fr 1.05fr; }
.split .media { position: relative; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 24px 80px rgba(0, 40, 90, 0.45); }
.split .media img { aspect-ratio: 4/3; object-fit: cover; transition: transform .6s; }
.split .media:hover img { transform: scale(1.05); }
.chip {
  position: absolute; bottom: 14px; left: 14px; padding: 8px 16px; border-radius: 999px;
  background: rgba(2, 11, 24, 0.8); border: 1px solid var(--line); backdrop-filter: blur(8px);
  font-size: 13px; color: var(--cyan); font-weight: 600; letter-spacing: 1px;
}
.text p { color: var(--dim); margin-bottom: 20px; }

.ticks { list-style: none; margin: 0 0 30px; display: grid; gap: 12px; }
.ticks li { padding-left: 32px; position: relative; color: var(--text); }
.ticks li::before {
  content: '✓'; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(56, 232, 255, 0.12); color: var(--cyan); font-size: 13px; display: grid; place-items: center;
}

/* stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 56px; }
.stat {
  padding: 34px 26px; border-radius: 18px; background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(12px); text-align: center; transition: transform .3s, border-color .3s;
}
.stat:hover { transform: translateY(-6px); border-color: var(--cyan); }
.num { font-size: clamp(40px, 5vw, 64px); font-weight: 700; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lbl { color: var(--dim); font-size: 14px; display: block; margin-top: 8px; }

/* process steps */
.steps { list-style: none; display: grid; gap: 16px; margin-bottom: 8px; counter-reset: step; }
.steps li {
  padding: 22px 24px; border-radius: 16px; background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(12px); display: flex; flex-direction: column; gap: 6px;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}
.steps li:hover { border-color: var(--cyan); box-shadow: 0 12px 40px rgba(43, 108, 255, 0.25); }
.steps b { color: var(--cyan); letter-spacing: 2px; font-size: 13px; }
.steps span { color: var(--dim); font-size: 15px; }

/* gallery */
.gallery { display: grid; grid-template-columns: 1.2fr 1fr 1fr; grid-auto-rows: 260px; gap: 18px; margin-top: 48px; }
.gallery figure { position: relative; border-radius: 18px; overflow: hidden; border: 1px solid var(--line); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.gallery figure:hover img { transform: scale(1.06); }
.gallery figcaption {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 14px 18px; font-size: 13px; letter-spacing: 1px;
  background: linear-gradient(transparent, rgba(2, 11, 24, 0.9)); color: var(--ice);
}
.g1 { grid-row: span 2; }

/* CTA */
.cta { text-align: center; padding-block: clamp(100px, 14vw, 180px); }
.cta p { color: var(--dim); font-size: 18px; margin-bottom: 36px; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 30px clamp(20px, 5vw, 64px); background: rgba(2, 11, 24, 0.7); }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; color: var(--dim); }
footer .dim { opacity: .6; }

/* reveal animations */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal:nth-child(2) { transition-delay: .1s; }

/* ============ responsive ============ */
@media (max-width: 920px) {
  .links { display: none; }
  #burger { display: block; }
  .split .wrap, .split.reverse .wrap { grid-template-columns: 1fr; }
  .split .media { order: -1; }
  .stats { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; grid-auto-rows: 220px; }
  .g1 { grid-row: span 1; }
}
@media (max-width: 560px) {
  .gallery { grid-template-columns: 1fr; }
  .badge { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .marquee div { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
  .hero-video { display: none; }
}