/* Fouralba.com — light theme design tokens from design handoff */
:root {
  --page-bg: #f4f6f9;
  --card-bg: #ffffff;
  --text: #1c2432;
  --text-body: #3f4a5e;
  --text-muted: #5a6880;
  --text-faint: #8291a6;
  --border: rgba(28, 36, 50, 0.08);
  --border-strong: rgba(28, 36, 50, 0.12);
  --card-hover-border: rgba(176, 108, 37, 0.55);
  --navy: #16283f;
  --blue: #2f5185;
  --rust-brand: #c0762f;
  --gold: #ddab4a;
  --accent: #b06c25;
  --badge-border: rgba(176, 108, 37, 0.5);
}

* { box-sizing: border-box; }

html { color-scheme: light; }

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family: 'Source Sans 3', system-ui, sans-serif;
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============ Header ============ */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand img { height: 36px; }

.brand span {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 14px;
  font-weight: 600;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 10px 0;
  margin: -10px 0;
  transition: color 0.15s;
}

.site-nav a:hover { color: var(--text); }

main { flex: 1; }

/* ============ Home ============ */
.hero {
  padding: 80px 48px 56px;
  text-align: center;
}

.hero-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 26px;
}

.hero-bars div {
  width: 64px;
  height: 9px;
  border-radius: 4px;
}

.bar-navy { background: var(--navy); border: 1px solid rgba(28, 36, 50, 0.18); }
.bar-blue { background: var(--blue); }
.bar-rust { background: var(--rust-brand); }
.bar-gold { background: var(--gold); }

.hero h1 {
  margin: 0 0 14px;
  font-size: 44px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero p {
  margin: 0 auto;
  max-width: 520px;
  font-size: 17.5px;
  line-height: 1.55;
  color: var(--text-muted);
}

.app-grid {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 48px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.15s;
}

.card:hover { border-color: var(--card-hover-border); }

.card-featured {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 22px;
  background: linear-gradient(120deg, #eef2f7, #ffffff);
  border-color: var(--border-strong);
  padding: 28px 30px;
}

.card-app {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 26px;
}

.tile {
  flex: none;
  display: grid;
  place-items: center;
  overflow: hidden;
  font-weight: 700;
}

.tile img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tile-52 { width: 52px; height: 52px; border-radius: 13px; font-size: 18px; }
.tile-64 { width: 64px; height: 64px; border-radius: 16px; font-size: 22px; }
.tile-84 { width: 84px; height: 84px; border-radius: 21px; font-size: 30px; }

.card-featured .card-name { font-weight: 700; font-size: 20px; margin-bottom: 4px; }
.card-featured .card-tag { font-size: 15px; color: var(--text-muted); line-height: 1.5; }
.card-featured .card-body { flex: 1; }

.card-app .card-name { font-weight: 700; font-size: 17px; margin-bottom: 4px; }
.card-app .card-tag { font-size: 14.5px; color: var(--text-muted); line-height: 1.5; }

.badge {
  display: inline-block;
  flex: none;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--badge-border);
  border-radius: 99px;
  padding: 6px 14px;
}

/* ============ App detail ============ */
.app-detail {
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 48px 96px;
  display: flex;
  gap: 56px;
  align-items: flex-start;
}

.app-detail-main { flex: 1; min-width: 0; }

.back-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 40px;
  padding: 10px 0;
  margin-top: -10px;
  transition: color 0.15s;
}

.back-link:hover { color: var(--text); }

.app-title-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 28px;
}

.app-title-row h1 {
  margin: 0 0 6px;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.app-title-row .app-tag { font-size: 17px; color: var(--text-muted); }

.app-detail .badge { margin-bottom: 32px; }

.app-blurb {
  margin: 0 0 40px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-body);
}

.app-links {
  border-top: 1px solid var(--border-strong);
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 14.5px;
  font-weight: 600;
}

.app-links a {
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.app-links a:hover { color: var(--text); }

.app-screenshot {
  flex: none;
  width: 280px;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(28, 36, 50, 0.14);
  box-shadow: 0 24px 60px rgba(16, 27, 44, 0.16);
}

.app-screenshot img {
  display: block;
  width: 100%;
}

.app-screenshot-placeholder {
  flex: none;
  width: 280px;
  height: 560px;
  border-radius: 22px;
  border: 1px dashed rgba(28, 36, 50, 0.3);
  display: grid;
  place-items: center;
  color: var(--text-faint);
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12.5px;
  text-align: center;
  padding: 20px;
}

/* ============ Long-form (privacy / terms / deletion) ============ */
.longform {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 48px 96px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
}

.longform h1 {
  margin: 0 0 8px;
  font-size: 34px;
  font-weight: 700;
  color: var(--text);
}

.longform .page-meta {
  margin: 0 0 36px;
  font-size: 14px;
  color: var(--text-faint);
}

.longform h2 {
  margin: 32px 0 10px;
  font-size: 20px;
  color: var(--text);
}

.longform p { margin: 0; }
.longform p + p { margin-top: 10px; }
.longform .lede { margin: 0 0 24px; }
.longform ul { margin: 0; padding-left: 22px; }
.longform li { margin-bottom: 8px; }
.longform strong { color: var(--text); }
.longform a { color: var(--accent); }
.longform .list-intro { margin: 0 0 10px; }

/* ============ Support ============ */
.support-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 48px 96px;
}

.support-page h1 {
  margin: 0 0 8px;
  font-size: 34px;
  font-weight: 700;
}

.support-page .support-intro {
  margin: 0 0 40px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-muted);
}

.support-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 520px;
}

.support-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 26px;
}

.support-card .card-title { font-weight: 700; font-size: 16px; margin-bottom: 6px; }

.support-card p {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.55;
}

.support-card a.support-email {
  color: var(--accent);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
}

.support-card a.support-link {
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ Footer ============ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-faint);
}

.footer-brand img { height: 22px; opacity: 0.8; }

.footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-size: 13.5px;
  font-weight: 600;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 10px 0;
  margin: -10px 0;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--text); }

/* ============ Responsive ============ */
@media (max-width: 860px) {
  .site-header { padding: 16px 24px; }
  .site-nav { gap: 20px; }
  .hero { padding: 56px 24px 40px; }
  .hero h1 { font-size: 36px; }
  .app-grid { grid-template-columns: 1fr; padding: 0 24px 64px; }
  .card-featured { flex-direction: row; flex-wrap: wrap; }
  .app-detail {
    flex-direction: column;
    align-items: center;
    padding: 48px 24px 72px;
    gap: 48px;
  }
  .app-detail-main { width: 100%; }
  .longform, .support-page { padding: 48px 24px 72px; }
  .site-footer { padding: 28px 24px; flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 32px; }
  .app-title-row { flex-direction: row; gap: 18px; }
  .app-title-row h1 { font-size: 28px; }
  .card-featured { padding: 24px 22px; }
}