/* ═══════════════════════════════════════════════════════════════
   Philco Design Agenda — shared website styles
   Matches the app's earthy dark aesthetic.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg: #2b2a27;
  --surface: #353430;
  --surface-alt: #3a3935;
  --card: #3e3d38;
  --outline: #58564f;
  --text: #e8e2d6;
  --text-dim: #9b968c;
  --text-faint: #6e6a61;
  --primary: #b4ba8a;
  --primary-dim: #8b9060;
  --accent: #c27840;
  --max-width: 960px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; transition: color 150ms; }
a:hover { color: var(--text); }

/* ─── Navigation ──────────────────────────────────────── */
.nav {
  border-bottom: 1px solid var(--outline);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}
.nav-brand img { width: 36px; height: 36px; border-radius: 8px; }
.nav-brand-text {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.2px;
}
.nav-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
  font-size: 15px;
}
.nav-links a { color: var(--text-dim); }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--primary); font-weight: 600; }

/* ─── Main content ────────────────────────────────────── */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 96px;
}

h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
  color: var(--text);
}
h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 48px 0 16px;
  color: var(--text);
}
h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 8px;
  color: var(--primary);
}
p { margin-bottom: 14px; color: var(--text-dim); }
p.lead { font-size: 20px; color: var(--text); margin-bottom: 32px; }

ul, ol {
  margin: 0 0 16px 24px;
  color: var(--text-dim);
}
li { margin-bottom: 6px; }

strong { color: var(--text); font-weight: 600; }

.meta {
  font-size: 14px;
  color: var(--text-faint);
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--outline);
}

/* ─── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--primary);
  color: #2b2a27;
  font-weight: 600;
  font-size: 15px;
  border-radius: 24px;
  transition: all 150ms;
  text-decoration: none;
}
.btn:hover {
  background: var(--text);
  color: var(--bg);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent;
  border: 1.5px solid var(--outline);
  color: var(--text);
}
.btn-secondary:hover {
  border-color: var(--primary);
  background: var(--surface);
  color: var(--text);
  transform: translateY(-1px);
}

/* ─── Cards ───────────────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--outline);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 16px;
}
.card h3 { margin-top: 0; }

/* ─── Feature grid (home page) ────────────────────────── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 32px 0;
}
.feature {
  background: var(--card);
  border: 1px solid var(--outline);
  border-radius: 14px;
  padding: 24px;
}
.feature-icon {
  font-size: 28px;
  margin-bottom: 12px;
  display: block;
}
.feature h3 { margin: 0 0 8px; color: var(--text); }
.feature p { font-size: 15px; margin: 0; }

/* ─── Hero ────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: 64px 0 48px;
}
.hero img.app-icon {
  width: 96px;
  height: 96px;
  border-radius: 20px;
  margin-bottom: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.hero .cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* ─── Screenshots ─────────────────────────────────────── */
.screenshots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin: 32px 0 48px;
}
.screenshot {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--outline);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  background: var(--card);
}
.screenshot img { width: 100%; display: block; }
.screenshot-caption {
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-dim);
  border-top: 1px solid var(--outline);
}

/* ─── FAQ accordion ───────────────────────────────────── */
.faq-item {
  border-bottom: 1px solid var(--outline);
  padding: 16px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-q {
  font-weight: 600;
  color: var(--text);
  font-size: 16px;
  margin-bottom: 8px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-q::after { content: '+'; color: var(--primary); font-size: 20px; }
.faq-item[open] .faq-q::after { content: '−'; }
.faq-a { color: var(--text-dim); font-size: 15px; }

/* ─── Contact block ───────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.contact-item {
  background: var(--card);
  border: 1px solid var(--outline);
  border-radius: 14px;
  padding: 20px;
}
.contact-item-label {
  font-size: 12px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.contact-item-value {
  font-size: 17px;
  color: var(--text);
  font-weight: 500;
}
.contact-item-value a { color: var(--primary); }

/* ─── Footer ──────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--outline);
  padding: 32px 24px;
  text-align: center;
  color: var(--text-faint);
  font-size: 14px;
}
footer a { color: var(--text-dim); }
footer .footer-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

/* ─── Mobile ──────────────────────────────────────────── */
@media (max-width: 640px) {
  h1 { font-size: 32px; }
  h2 { font-size: 22px; }
  p.lead { font-size: 17px; }
  .hero { padding: 40px 0 32px; }
  .hero img.app-icon { width: 72px; height: 72px; }
  .nav-inner { padding: 12px 16px; gap: 16px; }
  .nav-links { gap: 14px; font-size: 14px; }
  main { padding: 32px 16px 64px; }
}