/* Wallet Witness — Shared Styles */
:root {
  --brand-primary: #3B82F6;
  --brand-primary-dim: #3B82F620;
  --brand-primary-mid: #3B82F640;
  --brand-secondary: #60A5FA;
  --bg-deep: #0F172A;
  --bg-card: #0c1525;
  --bg-card-hover: #111827;
  --bg-surface: #1E293B;
  --border-subtle: #1e2d4a;
  --border-glow: #3B82F633;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --gradient-cta: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-w: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); background: var(--bg-deep); color: var(--text-primary); line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-label { font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--brand-primary); margin-bottom: 12px; display: block; }
.section-title { font-size: clamp(28px, 4vw, 44px); font-weight: 700; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.5px; }
.section-subtitle { font-size: 17px; color: var(--text-secondary); max-width: 640px; line-height: 1.7; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; font-family: var(--font-body); font-size: 15px; font-weight: 600; border: none; border-radius: var(--radius-sm); cursor: pointer; transition: all 0.3s ease; }
.btn-primary { background: var(--gradient-cta); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px #3B82F633; }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-subtle); }
.btn-secondary:hover { border-color: var(--brand-primary); color: var(--brand-primary); }
.btn-arrow::after { content: '→'; transition: transform 0.2s; }
.btn-arrow:hover::after { transform: translateX(4px); }

/* NAV */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 0 24px; background: rgba(15,23,42,0.9); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-subtle); }
.nav-inner { max-width: var(--max-w); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { font-size: 20px; font-weight: 700; letter-spacing: -0.5px; display: flex; align-items: center; gap: 10px; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text-secondary); transition: color 0.2s; }
.nav-links a:hover { color: var(--text-primary); }
.nav-cta { display: flex; gap: 12px; align-items: center; }
.nav-cta .btn { padding: 10px 22px; font-size: 13px; }
.mobile-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 24px; cursor: pointer; }

/* FOOTER */
.footer { padding: 64px 0 32px; border-top: 1px solid var(--border-subtle); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-top: 16px; max-width: 320px; }
.footer h3 { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: var(--text-secondary); transition: color 0.2s; }
.footer-links a:hover { color: var(--brand-primary); }
.footer-bottom { padding-top: 24px; border-top: 1px solid var(--border-subtle); display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); }

@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) { .nav-links { display: none; } .nav-cta .btn-secondary { display: none; } .mobile-toggle { display: block; } .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; gap: 8px; } }