@import url('https://fonts.googleapis.com/css2?family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #000;
  --bg-soft: #0b0b0d;
  --surface: #0d0d0f;
  --surface-2: #131316;
  --border: #232327;
  --border-soft: #1a1a1d;
  --text: #f3f1ec;
  --muted: #8a8a90;
  --muted-dim: #5c5c62;
  --accent: #d4a853;
  --accent-bright: #efc878;
  --accent-deep: #9a7a38;
  --font-sans: 'Geist', system-ui, -apple-system, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SF Mono', monospace;
  --maxw: 1240px;
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; height: 100%; scroll-behavior: smooth; overflow-x: hidden; }

body {
  margin: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(120% 80% at 50% -10%, #15130f 0%, rgba(10,10,11,0) 55%),
    radial-gradient(100% 60% at 80% 110%, #0e0d11 0%, rgba(0,0,0,0) 50%),
    var(--bg);
  background-attachment: fixed;
}

::selection { background: rgba(212,168,83,0.28); color: #fff; }

::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: #060606; }
::-webkit-scrollbar-thumb { background: #26262b; border-radius: 10px; border: 3px solid #060606; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-deep); }

a { color: inherit; text-decoration: none; }
main { position: relative; z-index: 1; }

/* Film grain overlay */
.grain {
  position: fixed; inset: 0; z-index: 999; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { max-width: var(--maxw); margin: 0 auto; }

/* ---------- Nav ---------- */
nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem 3rem;
  position: sticky; top: 0; z-index: 100;
  background: rgba(6,6,7,0.55);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
}
.brand {
  font-family: var(--font-mono); font-size: 0.92rem; font-weight: 500;
  letter-spacing: 0.32em; color: var(--text);
  display: inline-flex; align-items: center; gap: 0.7rem;
}
.brand .glyph { color: var(--accent); display: inline-flex; }
.nav-right { display: flex; align-items: center; gap: 1.75rem; }
.nav-link {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--muted);
  padding: 0.55rem 1.1rem; border: 1px solid var(--border);
  border-radius: 100px; transition: all 0.25s ease;
}
.nav-link:hover { color: #000; background: var(--accent); border-color: var(--accent); }
.nav-back:hover { color: var(--accent); background: transparent; border-color: var(--accent); }

/* ---------- Shared section ---------- */
.section { padding: 8rem 3rem; position: relative; scroll-margin-top: 88px; }
.section-inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border) 20%, var(--border) 80%, transparent); }

.label {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--accent);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.85rem;
  margin-bottom: 1.75rem;
}
.eyebrow::before, .eyebrow::after {
  content: ''; width: 26px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}
.eyebrow::after { transform: scaleX(-1); }

.section-title {
  font-size: clamp(2.4rem, 5.2vw, 4.6rem);
  font-weight: 500; line-height: 1.05; letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
  background: linear-gradient(180deg, #fff 0%, #cfcabf 78%, #8d8a82 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.section-sub {
  font-size: 1.08rem; color: var(--muted); max-width: 560px;
  margin: 0 auto 4rem; line-height: 1.8;
}
.section .section-title { margin-bottom: 3.5rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 7rem 2rem 5rem; overflow: hidden;
}
#terrain { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(70% 55% at 50% 42%, rgba(0,0,0,0) 0%, rgba(0,0,0,0.35) 70%, var(--bg) 100%),
    linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0) 25%, rgba(0,0,0,0) 60%, var(--bg) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 1000px; }

.pill {
  display: inline-flex; align-items: center; gap: 0.65rem;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--muted);
  padding: 0.5rem 1rem 0.5rem 0.85rem; margin-bottom: 2.5rem;
  border: 1px solid var(--border); border-radius: 100px;
  background: rgba(255,255,255,0.025); backdrop-filter: blur(8px);
}
.pill .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 rgba(212,168,83,0.6); animation: ping 2.4s ease-out infinite;
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(212,168,83,0.55); }
  70%, 100% { box-shadow: 0 0 0 8px rgba(212,168,83,0); }
}

.hero-title {
  font-size: clamp(3.2rem, 8.5vw, 7.5rem);
  font-weight: 500; line-height: 0.98; letter-spacing: -0.04em;
  margin: 0 0 2.25rem;
  background: linear-gradient(176deg, #ffffff 0%, #f4ead4 46%, var(--accent) 86%, var(--accent-deep) 120%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 6px 40px rgba(212,168,83,0.12));
}
.hero-sub {
  font-size: 1.18rem; color: var(--muted); max-width: 640px;
  line-height: 1.85; margin: 0 auto 2.75rem;
}
.hero-cta { display: inline-flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.scroll-cue {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--muted-dim);
}
.scroll-cue .bar {
  width: 1px; height: 38px;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: cue 2s ease-in-out infinite;
}
@keyframes cue { 0%,100% { opacity: 0.3; transform: scaleY(0.6); } 50% { opacity: 1; transform: scaleY(1); } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.16em;
  text-transform: uppercase; cursor: pointer; border-radius: 100px;
  padding: 0.95rem 1.8rem; transition: all 0.25s ease; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #1a1306; font-weight: 600; position: relative; }
.btn-primary:hover {
  background: var(--accent-bright);
  box-shadow: 0 12px 40px -8px rgba(212,168,83,0.5); transform: translateY(-2px);
}
.btn-ghost { background: rgba(255,255,255,0.02); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn .arrow { transition: transform 0.25s ease; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-block { width: 100%; justify-content: center; padding: 1.15rem 2rem; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; text-align: left; }
.stat {
  position: relative; padding: 2.5rem 1.9rem; border-radius: 16px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.022), rgba(255,255,255,0));
  overflow: hidden; transition: transform 0.4s cubic-bezier(.2,.8,.2,1), border-color 0.3s, box-shadow 0.4s;
}
.stat::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0.25); transform-origin: left; opacity: 0.4; transition: all 0.4s ease;
}
.stat:hover {
  transform: translateY(-8px); border-color: rgba(212,168,83,0.45);
  box-shadow: 0 30px 70px -30px rgba(212,168,83,0.25);
}
.stat:hover::before { transform: scaleX(1); opacity: 1; }
.stat .num {
  font-size: clamp(1.9rem, 2.6vw, 2.7rem); font-weight: 500; letter-spacing: -0.03em;
  margin-bottom: 1.1rem; line-height: 1; font-feature-settings: "tnum";
  background: linear-gradient(135deg, #fff 0%, var(--accent-bright) 60%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat p { font-size: 0.92rem; color: var(--muted); line-height: 1.75; margin: 0; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; text-align: left; }
.step {
  position: relative; padding: 3rem 2.5rem 3.25rem; border-radius: 18px;
  border: 1px solid var(--border); background: var(--surface);
  overflow: hidden; transition: transform 0.4s cubic-bezier(.2,.8,.2,1), border-color 0.3s, box-shadow 0.4s;
}
.step::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.4s ease;
  background: radial-gradient(120% 80% at 0% 0%, rgba(212,168,83,0.10), transparent 60%);
}
.step:hover { transform: translateY(-8px); border-color: rgba(212,168,83,0.4); box-shadow: 0 30px 70px -30px rgba(0,0,0,0.8); }
.step:hover::after { opacity: 1; }
.step-num {
  font-family: var(--font-mono); font-size: 3rem; font-weight: 600; line-height: 1;
  letter-spacing: -0.04em; margin-bottom: 2rem;
  -webkit-text-stroke: 1px var(--accent-deep); color: transparent;
}
.step h3 { font-size: 1.45rem; font-weight: 500; margin: 0 0 1.1rem; line-height: 1.25; letter-spacing: -0.02em; }
.step p { font-size: 1rem; color: var(--muted); line-height: 1.8; margin: 0; }

/* ---------- Use cases ---------- */
.use-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; text-align: left; }
.use-cell {
  position: relative; padding: 3.25rem 3rem; border-radius: 18px;
  border: 1px solid var(--border); background: var(--surface);
  overflow: hidden; transition: transform 0.4s cubic-bezier(.2,.8,.2,1), border-color 0.3s;
}
.use-cell::before {
  content: ''; position: absolute; inset: 0; opacity: 0; transition: opacity 0.45s ease; pointer-events: none;
  background: radial-gradient(100% 120% at 100% 0%, rgba(212,168,83,0.10), transparent 55%);
}
.use-cell:hover { transform: translateY(-6px); border-color: rgba(212,168,83,0.4); }
.use-cell:hover::before { opacity: 1; }
.use-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.4rem; }
.use-cell h3 { font-size: 1.5rem; font-weight: 500; margin: 0; color: var(--text); letter-spacing: -0.02em; }
.use-arrow { color: var(--accent); opacity: 0; transform: translate(-6px,6px); transition: all 0.35s ease; }
.use-cell:hover .use-arrow { opacity: 1; transform: translate(0,0); }
.use-cell p { font-size: 1rem; color: var(--muted); line-height: 1.8; margin: 0; }

/* ---------- Team ---------- */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; text-align: left; }
.member {
  border-radius: 18px; overflow: hidden; border: 1px solid var(--border);
  background: var(--surface); transition: transform 0.4s cubic-bezier(.2,.8,.2,1), border-color 0.3s, box-shadow 0.4s;
}
.member:hover { transform: translateY(-8px); border-color: rgba(212,168,83,0.4); box-shadow: 0 30px 70px -30px rgba(0,0,0,0.85); }
.member-photo { position: relative; width: 100%; aspect-ratio: 1/1; overflow: hidden; }
.member-photo img {
  width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block;
  filter: grayscale(45%) contrast(1.02) brightness(0.92);
  transition: transform 0.7s cubic-bezier(.2,.8,.2,1), filter 0.6s ease;
}
.member:hover .member-photo img { transform: scale(1.06); filter: grayscale(0%) brightness(1); }
.member-photo::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(8,8,9,0.85) 100%);
}
.member-body { padding: 2rem 2rem 2.25rem; }
.member-role { font-family: var(--font-mono); font-size: 0.62rem; color: var(--accent); letter-spacing: 0.2em; margin-bottom: 0.85rem; text-transform: uppercase; }
.member h3 { font-size: 1.35rem; font-weight: 500; margin: 0 0 0.4rem; letter-spacing: -0.02em; }
.member-school { font-family: var(--font-mono); font-size: 0.62rem; color: var(--muted-dim); letter-spacing: 0.12em; margin-bottom: 1.3rem; text-transform: uppercase; }
.member-body p { font-size: 0.9rem; color: var(--muted); line-height: 1.8; margin: 0; }

/* ---------- Partners ticker ---------- */
.ticker {
  overflow: hidden;
  -webkit-mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
          mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.ticker-track { display: flex; align-items: center; gap: 4rem; width: max-content; animation: ticker 28s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item { display: inline-flex; align-items: center; gap: 4rem; font-family: var(--font-mono); font-size: 1.05rem; letter-spacing: 0.18em; color: var(--muted); white-space: nowrap; }
.ticker-item::after { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); opacity: 0.55; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- CTA / Forms ---------- */
.cta-panel {
  max-width: 620px; margin: 0 auto; text-align: left;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border); border-radius: 24px;
  padding: 3rem; position: relative; overflow: hidden;
  box-shadow: 0 40px 100px -40px rgba(0,0,0,0.9);
}
.cta-panel::before {
  content: ''; position: absolute; top: -1px; left: 10%; right: 10%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.field { margin-bottom: 1.35rem; }
.field label {
  font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 0.6rem;
}
.field input, .field textarea {
  width: 100%; background: rgba(0,0,0,0.4); border: 1px solid var(--border);
  padding: 0.95rem 1.1rem; color: var(--text); font-family: var(--font-mono);
  font-size: 0.82rem; outline: none; letter-spacing: 0.03em; border-radius: 10px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-dim); }
.field input:focus, .field textarea:focus {
  border-color: var(--accent); background: rgba(0,0,0,0.6);
  box-shadow: 0 0 0 3px rgba(212,168,83,0.12);
}
.field textarea { resize: vertical; min-height: 110px; }

/* ---------- Footer ---------- */
footer {
  padding: 3rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  max-width: var(--maxw); margin: 0 auto; width: 100%;
}
footer .label { color: var(--muted-dim); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s cubic-bezier(.2,.8,.2,1), transform 0.8s cubic-bezier(.2,.8,.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-child { opacity: 0; transform: translateY(26px); transition: opacity 0.7s cubic-bezier(.2,.8,.2,1), transform 0.7s cubic-bezier(.2,.8,.2,1); }
.reveal.visible .reveal-child { opacity: 1; transform: translateY(0); }
.reveal.visible .reveal-child:nth-child(1) { transition-delay: 0.05s; }
.reveal.visible .reveal-child:nth-child(2) { transition-delay: 0.16s; }
.reveal.visible .reveal-child:nth-child(3) { transition-delay: 0.27s; }
.reveal.visible .reveal-child:nth-child(4) { transition-delay: 0.38s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal-child { opacity: 1; transform: none; transition: none; }
  .ticker-track, .scroll-cue .bar, .pill .dot { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  nav { padding: 1.25rem 1.75rem; }
  .section { padding: 6rem 1.75rem; }
  .stats { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .use-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  footer { padding: 2.5rem 1.75rem; }
}
@media (max-width: 560px) {
  nav { padding: 1.1rem 1.25rem; }
  .brand { letter-spacing: 0.2em; font-size: 0.82rem; }
  .section { padding: 4.5rem 1.25rem; }
  .hero { padding: 6rem 1.25rem 4rem; }
  .hero-title { font-size: clamp(2.5rem, 12vw, 3.4rem); line-height: 1.02; margin-bottom: 1.6rem; }
  .hero-sub { font-size: 1.02rem; line-height: 1.7; margin-bottom: 2rem; }
  .pill { margin-bottom: 1.75rem; }
  .hero-cta { display: flex; flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  /* stronger central scrim keeps headline + sub legible over the scan */
  .hero::after {
    background:
      radial-gradient(78% 46% at 50% 40%, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.32) 55%, rgba(0,0,0,0) 80%),
      linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 28%, rgba(0,0,0,0) 58%, var(--bg) 100%);
  }
  .stats { grid-template-columns: 1fr; }
  .cta-panel { padding: 2rem 1.4rem; }
  footer { flex-direction: column; text-align: center; }
  .ticker-item, .ticker-track { gap: 2.5rem; }
}