:root {
  --bg: #0b1024;
  --bg-alt: #111a35;
  --card: #18224a;
  --text: #f4f6ff;
  --muted: #a9b4de;
  --accent: #ff8a3d;
  --accent-2: #f04f45;
  --gold: #ffd166;
  --radius: 16px;
  --max: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

h1, h2, h3 { line-height: 1.15; margin: 0; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px max(20px, calc((100% - var(--max)) / 2));
  background: rgba(11, 16, 36, .8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.nav nav { display: flex; align-items: center; gap: 22px; color: var(--muted); }
.nav nav a:hover { color: var(--text); }

/* buttons */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), var(--accent) 55%, var(--accent-2));
  color: #1a1020; font-weight: 700;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255, 138, 61, .35); }
.btn-small { padding: 8px 16px; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid rgba(255, 255, 255, .25); }
.btn-ghost:hover { box-shadow: none; border-color: var(--accent); }

/* hero */
.hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  max-width: var(--max); margin: 0 auto; padding: 80px 20px 60px;
}
.eyebrow { color: var(--accent); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: 13px; margin: 0 0 12px; }
h1 { font-size: clamp(40px, 6vw, 68px); }
.flame {
  background: linear-gradient(90deg, var(--gold), var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { color: var(--muted); font-size: 19px; margin: 20px 0 28px; max-width: 34em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* demo */
.screen {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .12);
  box-shadow: 0 30px 80px rgba(240, 79, 69, .18);
}
#scene { display: block; width: 100%; height: auto; transition: filter .35s, transform .35s; }
.rec {
  position: absolute; top: 12px; left: 12px; display: flex; align-items: center; gap: 6px;
  padding: 2px 10px; border-radius: 999px; background: rgba(0, 0, 0, .55);
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
}
.rec i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); animation: pulse 1.4s infinite; }
@keyframes pulse { 50% { opacity: .3; } }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chips button {
  font: inherit; font-size: 14px; cursor: pointer; padding: 6px 14px; border-radius: 999px;
  background: var(--card); color: var(--muted); border: 1px solid transparent;
}
.chips button:hover { color: var(--text); }
.chips button[aria-pressed="true"] { color: var(--text); border-color: var(--accent); }

/* sections */
.section { max-width: var(--max); margin: 0 auto; padding: 80px 20px; }
.section h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 36px; }
.alt { max-width: none; background: var(--bg-alt); }
.alt > * { max-width: var(--max); margin-left: auto; margin-right: auto; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.card { background: var(--card); border-radius: var(--radius); padding: 28px; border: 1px solid rgba(255, 255, 255, .06); }
.card h3 { margin-bottom: 8px; font-size: 20px; }
.card p { margin: 0; color: var(--muted); }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; }
.tags li { padding: 8px 16px; border-radius: 999px; background: var(--card); color: var(--muted); }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.steps li { display: flex; gap: 16px; align-items: center; }
.steps b {
  flex: none; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--accent-2)); color: #1a1020;
}

.cta-band { text-align: center; }
.cta-band p { color: var(--muted); margin: 0 0 24px; }
.cta-band .cta { justify-content: center; }
.cta-band h2 { margin: 16px 0 12px; }

footer {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  max-width: var(--max); margin: 0 auto; padding: 28px 20px; color: var(--muted); font-size: 14px;
  border-top: 1px solid rgba(255, 255, 255, .06);
}

/* privacy policy */
.policy { max-width: 760px; }
.policy h1 { margin-bottom: 4px; }
.policy .lead { margin: 12px 0 28px; }
.policy h2 { font-size: 24px; margin: 40px 0 10px; }
.policy p { color: var(--muted); margin: 0 0 12px; }
.policy a { color: var(--accent); }
.policy a:hover { text-decoration: underline; }
footer a:hover { color: var(--text); }

/* reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s, transform .6s; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .nav nav a:not(.btn) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .rec i { animation: none; }
}