/* Bighead Technology holding page. Self-contained: system fonts only, no external requests. */
:root {
  --bg: #f7f8fb;
  --grid: rgba(15, 23, 42, .06);
  --glow: rgba(37, 99, 235, .14);
  --text: #0f172a;
  --muted: #475569;
  --accent: #2563eb;
  --mark: #0f172a;
  --mark-ink: #ffffff;
  --pill-bg: rgba(37, 99, 235, .08);
  --pill-border: rgba(37, 99, 235, .25);
  --rule: rgba(15, 23, 42, .08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0f1c;
    --grid: rgba(148, 163, 184, .08);
    --glow: rgba(56, 189, 248, .16);
    --text: #e2e8f0;
    --muted: #94a3b8;
    --accent: #38bdf8;
    --mark: #e2e8f0;
    --mark-ink: #0a0f1c;
    --pill-bg: rgba(56, 189, 248, .08);
    --pill-border: rgba(56, 189, 248, .3);
    --rule: rgba(148, 163, 184, .12);
  }
}

*,
*::before,
*::after { box-sizing: border-box; }

html { height: 100%; }

body {
  margin: 0;
  min-height: 100%;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 60% 45% at 50% 40%, var(--glow), transparent 70%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
  background-position: center, center, center;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.top {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--mark);
}

.brand-mark { width: 2.25rem; height: 2.25rem; }
.brand-mark .ink { stroke: var(--mark-ink); }

.brand-name {
  font-size: 1.15rem;
  font-weight: 750;
  letter-spacing: -.01em;
  color: var(--text);
}

.brand-sub {
  font-weight: 450;
  color: var(--muted);
}

.hero {
  flex: 1 0 auto;
  width: 100%;
  max-width: 46rem;
  margin: 0 auto;
  padding: clamp(3rem, 14vh, 9rem) 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1.5rem;
  padding: .35rem .85rem;
  border: 1px solid var(--pill-border);
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--accent);
  font-size: .8rem;
  font-weight: 650;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

@media (prefers-reduced-motion: reduce) {
  .dot { animation: none; }
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 6.5vw, 3.75rem);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -.035em;
  text-wrap: balance;
}

.lede {
  margin: 1.25rem 0 0;
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--muted);
}

.footer {
  flex: 0 0 auto;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: .875rem;
  text-align: center;
}