:root {
  --brand: #2563EB;
  --brand-dark: #1E40AF;
  --text: #111827;
  --text-light: #4B5563;
  --text-faint: #6B7280;
  --bg: #FFFFFF;
  --bg-soft: #F9FAFB;
  --bg-elevated: #FFFFFF;
  --border: #E5E7EB;
  --max-w: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #F3F4F6;
    --text-light: #D1D5DB;
    --text-faint: #9CA3AF;
    --bg: #0B1220;
    --bg-soft: #111827;
    --bg-elevated: #1F2937;
    --border: #374151;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
}
.brand-name { font-size: 17px; letter-spacing: 0.2px; }

.site-nav {
  display: flex;
  gap: 18px;
  font-size: 15px;
}
.site-nav a { color: var(--text-light); }
.site-nav a:hover { color: var(--brand); text-decoration: none; }

.page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 24px 64px;
}
.page h1 {
  font-size: 34px;
  line-height: 1.15;
  margin: 0 0 24px;
  font-weight: 800;
  letter-spacing: -0.4px;
}

.prose h2 {
  font-size: 22px;
  margin: 36px 0 12px;
  font-weight: 700;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
.prose h3 {
  font-size: 17px;
  margin: 24px 0 8px;
  font-weight: 700;
  color: var(--text);
}
.prose h2:first-of-type { border-top: 0; padding-top: 0; }

.prose p { margin: 12px 0; color: var(--text-light); }
.prose strong { color: var(--text); }
.prose ul, .prose ol { padding-left: 22px; color: var(--text-light); }
.prose li { margin: 6px 0; }
.prose hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}
.prose blockquote {
  border-left: 3px solid var(--brand);
  margin: 16px 0;
  padding: 4px 16px;
  color: var(--text-light);
  background: var(--bg-soft);
  border-radius: 0 6px 6px 0;
}
.prose code {
  background: var(--bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.92em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14.5px;
}
.prose th, .prose td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.prose th {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--text);
}

/* Landing-page hero / CTA blocks (use class names from index.md) */
.hero {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  padding: 48px 28px;
  border-radius: 16px;
  margin: 8px 0 32px;
}
.hero h2 {
  color: #fff;
  margin: 0 0 12px;
  font-size: 26px;
  border: 0;
  padding: 0;
}
.hero p { color: rgba(255,255,255,0.92); margin: 8px 0; }
.hero .hero-sub {
  font-size: 15.5px;
  color: rgba(255,255,255,0.88);
  margin: 8px 0 20px;
}
.hero-cta {
  display: inline-block;
  padding: 13px 26px;
  background: #FFFFFF;
  color: var(--brand-dark);
  border-radius: 10px;
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: 0.2px;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.hero-cta:hover {
  background: #F3F4F6;
  box-shadow: 0 4px 12px rgba(0,0,0,0.18);
  transform: translateY(-1px);
  text-decoration: none;
}
.hero-cta:focus-visible {
  outline: 3px solid #FFFFFF;
  outline-offset: 2px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 16px 0 24px;
}
@media (min-width: 640px) {
  .cards { grid-template-columns: 1fr 1fr; }
}
.card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  background: var(--bg-elevated);
}
.card h3 { margin-top: 0; }

.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding: 40px 24px 24px;
  margin-top: 64px;
  color: var(--text-light);
  font-size: 14.5px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) {
  .footer-inner { grid-template-columns: repeat(3, 1fr); }
}
.footer-col strong {
  display: block;
  color: var(--text);
  margin-bottom: 8px;
}
.footer-col a {
  display: block;
  color: var(--text-light);
  padding: 2px 0;
}
.footer-col p { margin: 4px 0 0; }
.footer-meta {
  max-width: var(--max-w);
  margin: 24px auto 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-faint);
  text-align: center;
}

/* ─── Account-deletion form (/delete-account) ──────────────────────────── */

.prose .lede {
  font-size: 17px;
  color: var(--text);
  margin: 0 0 16px;
}

.form {
  margin: 24px 0 8px;
}

.form fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-soft);
  padding: 20px 22px 22px;
  margin: 0 0 20px;
}

.form legend {
  padding: 0 8px;
  font-weight: 700;
  color: var(--text);
}

.form label {
  display: block;
  font-weight: 600;
  color: var(--text);
  margin: 14px 0 6px;
  font-size: 14px;
}

.form .req {
  color: #DC2626;
}

.form input[type="tel"],
.form input[type="email"],
.form input[type="text"],
.form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}

.form input:focus,
.form textarea:focus {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}

.form textarea {
  resize: vertical;
  min-height: 80px;
}

.form .form-help {
  font-size: 14px;
  color: var(--text-light);
  margin: 0 0 6px;
}

.form .form-help-inline {
  font-size: 12px;
  color: var(--text-faint);
  margin: 4px 0 0;
}

.form-disclosure {
  font-size: 14px;
  color: var(--text-light);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: 6px;
  padding: 12px 14px;
  margin: 0 0 18px;
}

#submit-btn {
  display: inline-block;
  padding: 12px 22px;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

#submit-btn:hover {
  background: var(--brand-dark);
}

#submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-result {
  margin: 14px 0 0;
  font-size: 14px;
  min-height: 20px;
}

.form-result[data-kind="success"] { color: #059669; }
.form-result[data-kind="error"]   { color: #DC2626; }
.form-result[data-kind="pending"] { color: var(--text-light); }

.post-form {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 16px;
}