/* ---------- Tokens ---------- */
:root {
  --bg: #ffffff;
  --surface: #f7f8fa;
  --text: #0b0f19;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --live: #22c55e;
  --radius: 999px;
  --max: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0d14;
    --surface: #10141d;
    --text: #f3f4f6;
    --muted: #9ca3af;
    --line: #1f2633;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
  }
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.logo svg { color: var(--accent); transform: rotate(45deg); }

.header-nav { display: flex; gap: 28px; }

.header-nav a {
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 0.2s;
}

.header-nav a:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  padding: 120px 0 140px;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 32px;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--live);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.hero-title {
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.hero-title .accent { color: var(--accent); }

.hero-sub {
  margin-top: 36px;
  font-size: 0.9rem;
  color: var(--muted);
}

.takeoff-btn {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.2s;
}

.takeoff-btn:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.takeoff-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.takeoff-icon { transition: transform 0.35s ease; }

.takeoff-btn:hover .takeoff-icon { transform: translate(4px, -4px); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding-top: 56px;
  font-size: 0.85rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 40px;
}

.logo-small { font-size: 0.95rem; }

.footer-text {
  margin-top: 12px;
  color: var(--muted);
  max-width: 260px;
}

.footer-heading {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 14px;
}

.footer-col li + li { margin-top: 8px; }

.footer-col a { color: var(--muted); transition: color 0.2s; }

.footer-col a:hover { color: var(--text); }

.footer-disclaimer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.footer-disclaimer p {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.65;
  max-width: 820px;
}

.footer-disclaimer strong { color: var(--text); font-weight: 600; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 20px;
  padding-bottom: 28px;
  color: var(--muted);
  font-size: 0.75rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-nav { gap: 18px; }
  .header-nav a:not(:first-child) { display: none; }
  .hero { padding: 80px 0 100px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}