/* Alke — getalke.com. One small design system, shared by the landing + legal
   pages. Dark, calm, voice-AI palette (cyan on deep space blue) matching the app
   orb. No build step, no external fonts — drops straight onto static hosting. */

:root {
  --bg: #05070d;
  --bg-soft: #0a0f1a;
  --panel: rgba(18, 28, 44, 0.6);
  --border: rgba(120, 200, 255, 0.14);
  --text: #e6f0fb;
  --muted: #93b0c8;
  --dim: #6d8299;
  --accent: #52d0ff;
  --accent-2: #7c8cff;
  --maxw: 1080px;
  --radius: 18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---- top nav ---- */
header.nav {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(5, 7, 13, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: 3px; font-size: 18px; }
.brand .dot {
  width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--accent), var(--accent-2) 70%, #21306b);
  box-shadow: 0 0 18px rgba(82, 208, 255, 0.6);
}
.nav a { color: var(--muted); margin-left: 22px; font-size: 14px; letter-spacing: .3px; }
.nav a:hover { color: var(--text); text-decoration: none; }

/* ---- hero ---- */
.hero {
  position: relative; overflow: hidden;
  padding: 96px 0 80px;
  background:
    radial-gradient(60% 90% at 50% -10%, rgba(82, 208, 255, 0.12), transparent 60%),
    radial-gradient(50% 80% at 85% 20%, rgba(124, 140, 255, 0.10), transparent 60%);
  text-align: center;
}
.hero .orb {
  width: 120px; height: 120px; margin: 0 auto 34px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #bff0ff, var(--accent) 40%, var(--accent-2) 72%, #1a2660 100%);
  box-shadow: 0 0 60px rgba(82, 208, 255, 0.45), inset 0 0 40px rgba(255,255,255,0.15);
  animation: pulse 4.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { transform: scale(1); opacity: .96; } 50% { transform: scale(1.05); opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .hero .orb { animation: none; } }

.hero h1 { font-size: clamp(34px, 6vw, 58px); line-height: 1.08; margin: 0 0 18px; letter-spacing: -1px; }
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: clamp(17px, 2.4vw, 21px); color: var(--muted); max-width: 640px; margin: 0 auto 34px; }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 1px solid transparent;
}
.btn.primary { background: linear-gradient(120deg, var(--accent), var(--accent-2)); color: #04121e; }
.btn.primary:hover { text-decoration: none; filter: brightness(1.07); }
.btn.ghost { border-color: var(--border); color: var(--text); margin-left: 12px; }
.btn.ghost:hover { text-decoration: none; background: var(--panel); }

/* ---- sections ---- */
section.block { padding: 72px 0; border-top: 1px solid rgba(120,200,255,0.06); }
section.block h2 { font-size: clamp(26px, 4vw, 34px); margin: 0 0 12px; letter-spacing: -.5px; }
section.block .sub { color: var(--muted); max-width: 620px; margin: 0 0 44px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 800px) { .grid { grid-template-columns: 1fr; } }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 24px;
}
.card .ic { font-size: 26px; margin-bottom: 12px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

.metrics { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.metrics span {
  font-size: 13px; color: var(--accent); border: 1px solid var(--border);
  border-radius: 999px; padding: 6px 14px; background: rgba(82,208,255,0.06);
}

/* ---- footer ---- */
footer {
  border-top: 1px solid var(--border); padding: 40px 0; margin-top: 20px;
  color: var(--dim); font-size: 14px;
}
footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
footer a { color: var(--muted); margin-right: 20px; }
footer .legal { color: var(--dim); }

/* ---- legal pages ---- */
.legal-page { max-width: 780px; margin: 0 auto; padding: 60px 24px 90px; }
.legal-page h1 { font-size: 34px; margin: 0 0 6px; letter-spacing: -.5px; }
.legal-page .updated { color: var(--dim); font-size: 14px; margin-bottom: 40px; }
.legal-page h2 { font-size: 21px; margin: 40px 0 10px; letter-spacing: -.3px; }
.legal-page h3 { font-size: 17px; margin: 26px 0 8px; color: var(--text); }
.legal-page p, .legal-page li { color: var(--muted); font-size: 15.5px; }
.legal-page ul { padding-left: 22px; }
.legal-page li { margin: 6px 0; }
.legal-page .back { display: inline-block; margin-bottom: 30px; color: var(--muted); font-size: 14px; }
.legal-page table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14.5px; }
.legal-page th, .legal-page td { text-align: left; padding: 10px 12px; border: 1px solid var(--border); vertical-align: top; }
.legal-page th { color: var(--text); background: rgba(82,208,255,0.05); }
.legal-page td { color: var(--muted); }