/* ─── Tokens ─── */
:root {
  --bg: #060810;
  --surface: #0d1117;
  --surface-2: #161b22;
  --border: #1c2333;
  --fg: #e6edf3;
  --fg-muted: #7d8590;
  --accent: #00E5A0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --red: #FF4545;
  --yellow: #FFB800;
  --font-display: 'Bebas Neue', 'Arial Black', sans-serif;
  --font-body: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background: var(--bg); color: var(--fg); font-family: var(--font-body); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }

/* ─── Grid overlay ─── */
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,229,160,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,160,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ─── Navbar ─── */
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 48px;
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(6,8,16,0.8); backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.navbar-brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { display: flex; }
.brand-name { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: 0.08em; color: var(--fg); }
.navbar-links { display: flex; align-items: center; gap: 16px; }
.nav-tag {
  font-family: var(--font-mono); font-size: 0.7rem;
  background: var(--accent-dim); color: var(--accent);
  padding: 4px 12px; border-radius: 100px; border: 1px solid rgba(0,229,160,0.2);
  letter-spacing: 0.05em;
}

/* ─── Hero ─── */
.hero {
  min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 80px;
  padding: 140px 48px 80px;
  position: relative;
}
.hero-content { max-width: 600px; }
.hero-kicker {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--accent); letter-spacing: 0.15em; text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-headline {
  font-family: var(--font-display); font-size: clamp(3rem, 6vw, 5rem);
  line-height: 0.95; letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.hero-headline .highlight { color: var(--accent); }
.hero-lede { font-size: 1.1rem; color: var(--fg-muted); max-width: 480px; margin-bottom: 48px; }
.hero-stats { display: flex; align-items: center; gap: 24px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value { font-family: var(--font-display); font-size: 1.8rem; color: var(--accent); }
.stat-label { font-size: 0.7rem; color: var(--fg-muted); font-family: var(--font-mono); letter-spacing: 0.05em; }
.stat-divider { width: 1px; height: 36px; background: var(--border); }

/* Pool stack */
.pool-stack { display: flex; flex-direction: column; gap: 12px; }
.pool-card {
  display: flex; align-items: center; gap: 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px 20px;
  transition: border-color 0.2s;
}
.pool-card:hover { border-color: var(--accent); }
.pool-card.pool-brazil { border-left: 3px solid #009739; }
.pool-card.pool-argentina { border-left: 3px solid #74ACDF; }
.pool-card.pool-france { border-left: 3px solid #002395; }
.pool-card.pool-germany { border-left: 3px solid #DD0000; }
.pool-flag { width: 60px; height: 40px; border-radius: 4px; overflow: hidden; flex-shrink: 0; }
.pool-flag svg { width: 100%; height: 100%; }
.pool-info { flex: 1; }
.pool-country { display: block; font-weight: 600; font-size: 0.95rem; }
.pool-shares { font-size: 0.75rem; color: var(--fg-muted); font-family: var(--font-mono); }
.pool-value { text-align: right; }
.pool-sol { display: block; font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent); font-weight: 500; }
.pool-ownership { font-size: 0.7rem; color: var(--fg-muted); }

/* ─── How ─── */
.how { padding: 100px 48px; }
.how-header { margin-bottom: 64px; }
.section-tag {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--accent); letter-spacing: 0.15em; text-transform: uppercase;
  display: block; margin-bottom: 16px;
}
.section-title { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: 0.02em; line-height: 1; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.step-card { background: var(--surface); padding: 40px 32px; }
.step-number { font-family: var(--font-display); font-size: 3rem; color: var(--accent); opacity: 0.4; margin-bottom: 20px; }
.step-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 12px; }
.step-desc { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.7; }

/* ─── Mechanics ─── */
.mechanics { padding: 100px 48px; background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.mechanics-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.mechanics-body { color: var(--fg-muted); font-size: 1rem; line-height: 1.8; margin-bottom: 40px; }
.mechanics-features { display: flex; flex-direction: column; gap: 28px; }
.mech-item { display: flex; gap: 16px; align-items: flex-start; }
.mech-icon { width: 40px; height: 40px; background: var(--accent-dim); border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.mech-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.mech-desc { font-size: 0.85rem; color: var(--fg-muted); line-height: 1.6; }

/* Drain diagram */
.drain-diagram { display: flex; flex-direction: column; gap: 12px; }
.drain-stage { display: flex; align-items: center; gap: 20px; }
.stage-label { font-family: var(--font-mono); font-size: 0.75rem; color: var(--fg-muted); width: 120px; flex-shrink: 0; }
.stage-arrow { flex: 1; height: 4px; background: var(--border); border-radius: 2px; position: relative; }
.stage-arrow::after { content: ''; position: absolute; right: 0; top: -4px; bottom: -4px; width: 4px; background: var(--border); border-radius: 50%; }
.stage-arrow.final { background: linear-gradient(90deg, var(--accent-dim), var(--accent)); }
.stage-arrow.final::after { background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.stage-pct { font-family: var(--font-mono); font-size: 0.75rem; color: var(--fg-muted); margin-left: 8px; }
.drain-legend { font-size: 0.7rem; color: var(--fg-muted); font-family: var(--font-mono); margin-top: 8px; }

/* ─── Tournament ─── */
.tournament { padding: 100px 48px; }
.tournament-header { margin-bottom: 64px; }
.tournament-map { margin-bottom: 48px; }
.map-note { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); margin-bottom: 32px; letter-spacing: 0.05em; }
.tournament-groups { display: flex; gap: 16px; }
.group-card {
  flex: 1; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px;
}
.group-knockout .group-name { color: var(--yellow); }
.group-final { border-color: var(--accent); }
.group-final .group-name { color: var(--accent); }
.group-name { font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 12px; letter-spacing: 0.05em; }
.group-countries { display: flex; flex-direction: column; gap: 8px; }
.group-countries span { font-size: 0.8rem; color: var(--fg-muted); }
.group-countries div { width: 32px; height: 20px; border-radius: 3px; }
.mini-flag { width: 32px; height: 20px; border-radius: 3px; }
.tournament-cta { text-align: center; }
.cta-note { font-family: var(--font-mono); font-size: 0.8rem; color: var(--fg-muted); }

/* ─── Closing ─── */
.closing { padding: 100px 48px; text-align: center; background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%); }
.closing-headline { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1; margin-bottom: 20px; max-width: 800px; margin-left: auto; margin-right: auto; }
.closing-sub { font-size: 1.1rem; color: var(--fg-muted); margin-bottom: 48px; }
.closing-tagline { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.tag-pill {
  font-family: var(--font-mono); font-size: 0.75rem;
  background: var(--accent-dim); color: var(--accent);
  padding: 6px 16px; border-radius: 100px; border: 1px solid rgba(0,229,160,0.2);
  letter-spacing: 0.05em;
}

/* ─── Footer ─── */
.footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 32px 48px; border-top: 1px solid var(--border);
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand span { font-family: var(--font-display); font-size: 1.1rem; letter-spacing: 0.08em; }
.footer-meta { font-size: 0.8rem; color: var(--fg-muted); display: flex; align-items: center; gap: 8px; }
.footer-sep { color: var(--border); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding-top: 100px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .mechanics-layout { grid-template-columns: 1fr; gap: 48px; }
  .tournament-groups { flex-wrap: wrap; }
}
@media (max-width: 768px) {
  .navbar { padding: 16px 24px; }
  .hero { padding: 100px 24px 60px; }
  .how, .mechanics, .tournament, .closing { padding: 60px 24px; }
  .steps-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .footer { flex-direction: column; gap: 16px; text-align: center; }
  .tournament-groups { flex-direction: column; }
}