/* HairTrack landing — vanilla CSS, brand-aligned with the app. */

:root {
  --brand-purple: #7C2DB2;
  --brand-purple-soft: #F3E8FF;
  --brand-orange: #F97316;
  --brand-text-dark: #2D1B4E;
  --brand-text-muted: #6B6284;
  --bg: #FAF9FC;
  --surface: #F3F0F7;
  --surface-elevated: #FFFFFF;
  --border: #E5E1EC;
  --gradient: linear-gradient(135deg, #F97316 0%, #9D3FCB 60%, #7C2DB2 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand-text-dark: #F5F3F7;
    --brand-text-muted: #B5AEC7;
    --bg: #1A0F2E;
    --surface: #251838;
    --surface-elevated: #2E1F46;
    --border: #352548;
    --brand-purple: #9D5BD1;
    --brand-purple-soft: #3B1361;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--brand-text-dark);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 96px;
}

/* ---- Header ---- */
header.site {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 24px 0 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
header.site img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}
header.site .brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
}
header.site nav {
  margin-left: auto;
  display: flex;
  gap: 16px;
  font-size: 14px;
  font-weight: 500;
}

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding: 48px 0 32px;
}
.hero .mark {
  width: 96px;
  height: 96px;
  margin: 0 auto 24px;
  border-radius: 24px;
}
.hero h1 {
  font-size: 38px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  font-size: 18px;
  color: var(--brand-text-muted);
  max-width: 480px;
  margin: 0 auto 24px;
}
.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--brand-purple-soft);
  color: var(--brand-purple);
  font-size: 13px;
  font-weight: 600;
}

/* ---- Sections ---- */
section {
  margin-top: 48px;
}
h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}
h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 24px 0 8px;
}
p { margin-bottom: 12px; }
ul { margin: 8px 0 16px 22px; }
li { margin-bottom: 6px; }
strong { font-weight: 700; }

.card {
  background: var(--surface);
  padding: 20px 22px;
  border-radius: 16px;
  margin-bottom: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.feature-grid .card h3 { margin-top: 0; }
.feature-grid .card p { color: var(--brand-text-muted); font-size: 14px; margin-bottom: 0; }

.support-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--surface);
  border-radius: 12px;
  margin-bottom: 8px;
}
.support-row strong { font-size: 15px; }
.support-row a { font-weight: 600; }

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--brand-text-muted);
  text-align: center;
}
footer a { color: var(--brand-text-muted); }

.meta {
  font-size: 13px;
  color: var(--brand-text-muted);
  margin-bottom: 28px;
}