:root {
  color-scheme: light dark;
  --bg: #fdfeff;
  --bg-soft: #eaf5fb;
  --surface: #ffffff;
  --surface-tint: #eef7fb;
  --text: #16262d;
  --text-soft: #4c6470;
  --border: #dbe9ef;
  --accent: #2e86c1;
  --accent-2: #3aa8d8;
  --accent-3: #48c9e0;
  --shadow: rgba(46, 134, 193, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1c22;
    --bg-soft: #13232b;
    --surface: #17282f;
    --surface-tint: #1b2e36;
    --text: #eaf4f8;
    --text-soft: #a9c1c9;
    --border: #26393f;
    --accent: #6fd3ef;
    --accent-2: #3aa8d8;
    --accent-3: #48c9e0;
    --shadow: rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

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

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

.wrap { max-width: 760px; margin: 0 auto; padding: 0 22px; }

/* Header */
.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
}
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; gap: 20px; font-weight: 600; font-size: 0.95rem; }

/* Hero */
.hero {
  padding: 64px 0 40px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
}
.hero img.icon {
  width: 84px;
  height: 84px;
  border-radius: 22px;
  box-shadow: 0 16px 32px var(--shadow);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: 2.1rem;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}
.hero p.tagline {
  font-size: 1.1rem;
  color: var(--text-soft);
  max-width: 480px;
  margin: 0 auto;
}

/* Feature grid */
.features {
  padding: 44px 0 8px;
}
.features h2, .legal h2 {
  text-align: center;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-soft);
  margin-bottom: 26px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 520px) {
  .grid { grid-template-columns: 1fr; }
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}
.feature-card .emoji { font-size: 1.6rem; margin-bottom: 8px; display: block; }
.feature-card h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--text);
}
.feature-card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-soft);
}

/* Legal link cards (index page) */
.legal { padding: 48px 0 60px; }
.legal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 520px) {
  .legal-grid { grid-template-columns: 1fr; }
}
.legal-card {
  display: block;
  background: var(--surface-tint);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  color: var(--text);
}
.legal-card:hover { border-color: var(--accent); text-decoration: none; }
.legal-card .emoji { font-size: 1.5rem; }
.legal-card h3 { margin: 10px 0 4px; font-size: 1.05rem; }
.legal-card p { margin: 0; font-size: 0.88rem; color: var(--text-soft); }
.legal-card .arrow { color: var(--accent); font-weight: 700; }

/* Content pages (privacy / delete-account) */
.content { padding: 40px 0 80px; }
.content h1 { font-size: 1.7rem; margin: 0 0 4px; }
.updated { color: var(--text-soft); font-size: 0.9rem; margin-bottom: 32px; }
.content h2 { font-size: 1.15rem; margin-top: 34px; }

.callout {
  background: var(--surface-tint);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 20px 0;
  color: var(--text);
}
.callout strong { color: var(--text); }

.steps {
  background: var(--surface-tint);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  margin: 16px 0;
  color: var(--text);
}
.steps ol { margin: 0; padding-left: 22px; }
.steps li { margin-bottom: 8px; }

table { width: 100%; border-collapse: collapse; margin: 16px 0; }
th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--text);
}
th { font-weight: 700; color: var(--text-soft); text-transform: uppercase; font-size: 0.78rem; letter-spacing: 0.6px; }

.btn {
  display: inline-block;
  margin-top: 6px;
  padding: 11px 20px;
  background: var(--accent);
  color: #ffffff !important;
  border-radius: 999px;
  text-decoration: none !important;
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.85rem;
}