:root {
  --navy: #152C5E;
  --text: #1C1917;
  --text-secondary: #57534E;
  --border: #E7E5E4;
  --bg: #FAFAFA;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

nav {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

nav a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 700;
}

.sep {
  margin: 0 6px;
  color: var(--border);
}

h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 8px;
}

h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 40px 0 12px;
  color: var(--text);
}

p {
  margin: 0 0 16px;
  color: var(--text);
}

.lead {
  color: var(--text-secondary);
  font-size: 17px;
  margin-bottom: 32px;
}

strong { color: var(--text); }

a {
  color: var(--navy);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 15px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: #F0F2F7;
  font-weight: 700;
}

ul, ol {
  padding-left: 22px;
  margin: 0 0 16px;
}

li {
  margin-bottom: 6px;
}

em {
  color: var(--text-secondary);
}

.doc-list {
  list-style: none;
  padding: 0;
}

.doc-list li {
  margin-bottom: 12px;
}

.doc-list a {
  display: inline-block;
  padding: 14px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: white;
  text-decoration: none;
  font-weight: 700;
  color: var(--text);
  width: 100%;
}

.doc-list a:hover {
  border-color: var(--navy);
}

footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

/* --- Landing page (index.html) --- */
.hero {
  text-align: center;
  padding: 16px 0 8px;
}

.app-icon {
  width: 76px;
  height: 76px;
  border-radius: 17px;
  display: block;
  margin: 0 auto 20px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 18px;
  margin: 0 0 28px;
}

.features {
  display: grid;
  gap: 16px;
  margin: 40px 0;
}

@media (min-width: 560px) {
  .features { grid-template-columns: repeat(3, 1fr); }
}

.feature {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.feature h3 {
  color: var(--navy);
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
}

.feature p {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0;
}

.store-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

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

.footer-meta {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 0;
}

.footer-meta a { color: var(--text-secondary); }