:root {
  --bg: #090a14;
  --panel: rgba(255,255,255,.075);
  --panel-strong: rgba(255,255,255,.11);
  --text: #f7f7fb;
  --muted: #b9bbca;
  --line: rgba(255,255,255,.14);
  --accent: #8b5cf6;
  --accent-2: #38bdf8;
  --shadow: 0 28px 90px rgba(0,0,0,.38);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 18%, rgba(139,92,246,.28), transparent 30%),
    radial-gradient(circle at 85% 12%, rgba(56,189,248,.22), transparent 28%),
    linear-gradient(180deg, #090a14 0%, #101122 54%, #080914 100%);
  min-height: 100vh;
}

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

.site-header {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.03em; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 13px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 40px rgba(139,92,246,.34);
}
.nav { display: flex; gap: 22px; color: var(--muted); font-size: 14px; }
.nav a:hover { color: var(--text); }

.section-shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.hero {
  min-height: 72vh;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 56px;
  align-items: center;
  padding: 70px 0 90px;
}
.eyebrow { color: #c4b5fd; text-transform: uppercase; font-size: 12px; letter-spacing: .16em; font-weight: 800; margin: 0 0 16px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(48px, 7vw, 88px); line-height: .92; letter-spacing: -.07em; margin-bottom: 24px; }
h2 { font-size: clamp(32px, 4vw, 54px); line-height: 1; letter-spacing: -.055em; margin-bottom: 18px; }
h3 { letter-spacing: -.035em; }
.hero-text { color: var(--muted); font-size: 19px; line-height: 1.75; max-width: 620px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }
.button { padding: 14px 19px; border-radius: 999px; font-weight: 800; border: 1px solid var(--line); }
.button.primary { background: var(--text); color: #090a14; }
.button.secondary { background: rgba(255,255,255,.06); color: var(--text); }

.hero-visual { position: relative; min-height: 460px; display: grid; align-content: center; }
.timeline-card {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  border-radius: 26px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.main-card { max-width: 420px; margin-left: auto; transform: rotate(-2deg); }
.card-label, .story-tag { color: #93c5fd; font-size: 12px; text-transform: uppercase; letter-spacing: .14em; font-weight: 800; display: block; margin-bottom: 18px; }
.timeline-card strong { display: block; font-size: 30px; letter-spacing: -.04em; margin-bottom: 12px; }
.timeline-card small { color: var(--muted); }
.branch-line { height: 82px; width: 2px; background: linear-gradient(var(--accent), var(--accent-2)); margin: 18px auto; opacity: .7; }
.mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.mini-grid .timeline-card { padding: 18px; border-radius: 20px; box-shadow: none; }
.mini-grid span { display: block; font-weight: 800; margin-bottom: 8px; }

.concept {
  text-align: center;
  padding: 72px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.concept p:last-child { max-width: 760px; margin: 0 auto; color: var(--muted); line-height: 1.8; font-size: 18px; }

.section-heading { margin: 96px 0 30px; max-width: 780px; }
.steps, .story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step-card, .story-card, .future-section {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 28px;
  padding: 28px;
}
.step-card span { color: #a78bfa; font-weight: 900; }
.step-card p, .story-card p, .future-section p { color: var(--muted); line-height: 1.7; }
.story-card { background: linear-gradient(180deg, var(--panel-strong), rgba(255,255,255,.045)); }
.story-card h3 { font-size: 25px; line-height: 1.12; }
.story-card a { display: inline-flex; margin-top: 12px; color: #c4b5fd; font-weight: 800; }
.future-section { margin-top: 96px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; align-items: center; }

.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 54px 0 34px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 14px;
}
.site-footer a { color: var(--text); }

@media (max-width: 820px) {
  .nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 42px; gap: 26px; }
  .hero-visual { min-height: auto; }
  .main-card { margin-left: 0; }
  .mini-grid, .steps, .story-grid, .future-section { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; gap: 10px; }
}