/* CarbDose public pages (Google Play / store listing) */
:root {
  --primary: #0D9488;
  --primary-dark: #0F766E;
  --accent: #14B8A6;
  --bg: #f0faf8;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #5c6b7a;
  --border: #d5ebe7;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(15, 118, 110, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 16px;
}

.container { max-width: 900px; margin: 0 auto; padding: 0 1.25rem; }

header {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: 1rem 0 1.25rem;
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.site-logo {
  display: block;
  border-radius: 10px;
  flex-shrink: 0;
  background: rgba(255,255,255,0.15);
}

.badge {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  align-items: center;
}

nav a {
  color: rgba(255,255,255,0.92);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
}

nav a:hover { background: rgba(255,255,255,0.12); }
nav a.active {
  background: rgba(255,255,255,0.22);
  font-weight: 600;
}

main { padding: 2rem 0 3rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.hero h1 { margin-top: 0; color: var(--primary-dark); }
.meta { color: var(--muted); font-size: 0.95rem; margin: 0.35rem 0; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.55rem 1rem;
  background: var(--primary);
  color: #fff !important;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
}

.btn:hover { background: var(--primary-dark); }

a { color: var(--primary); }
a:hover { color: var(--primary-dark); }

h2 { color: var(--primary-dark); margin-top: 1.5rem; font-size: 1.15rem; }
h2:first-of-type { margin-top: 0.5rem; }

ul { padding-left: 1.25rem; }
li { margin: 0.35rem 0; }

footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  padding: 1.25rem 0;
  font-size: 0.9rem;
  margin-top: auto;
}

footer p { margin: 0; }

@media (max-width: 640px) {
  nav { width: 100%; justify-content: flex-start; }
  .actions { flex-direction: column; }
  .btn { text-align: center; }
}