:root {
  --bg: #FFFFFF;
  --bg-secondary: #F5F1E8;
  --text: #2C2C2A;
  --text-secondary: #5F5E5A;
  --text-tertiary: #888780;
  --accent: #185FA5;
  --accent-dark: #0F1E3D;
  --gold: #D4B775;
  --ember: #E8743B;
  --border: #D3D1C7;
  --max-width: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1A1A1A;
    --bg-secondary: #2A2A2A;
    --text: #F5F1E8;
    --text-secondary: #B5B0A5;
    --text-tertiary: #888780;
    --border: #3A3A3A;
  }
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", sans-serif;
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  background: var(--bg);
}

header .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

header .logo {
  width: 32px;
  height: 32px;
}

header .brand {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text);
  text-decoration: none;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 96px;
}

h1 {
  font-size: 32px;
  font-weight: 600;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 48px 0 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 32px 0 12px;
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

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

strong {
  font-weight: 600;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  opacity: 0.7;
}

ul, ol {
  padding-left: 24px;
  margin: 0 0 16px;
}

li {
  margin-bottom: 6px;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
  font-size: 14px;
}

th, td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--bg-secondary);
  font-weight: 600;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

.meta {
  color: var(--text-tertiary);
  font-size: 14px;
  margin-bottom: 32px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 64px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 13px;
}

footer .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

footer nav {
  margin-bottom: 16px;
}

footer nav a {
  margin: 0 12px;
  color: var(--text-secondary);
  text-decoration: none;
}

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

/* Landing-specific styles */
.hero {
  text-align: center;
  padding: 80px 24px 64px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero .tagline {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 32px;
}

.hero .icon-large {
  width: 96px;
  height: 96px;
  margin: 0 auto 32px;
  display: block;
  border-radius: 22px;
}

.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 48px 0;
}

@media (min-width: 640px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature {
  padding: 24px;
  background: var(--bg-secondary);
  border-radius: 12px;
}

.feature h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 16px;
}

.feature p {
  margin: 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.cta {
  text-align: center;
  padding: 32px 24px;
  margin: 48px 0;
  background: var(--accent-dark);
  border-radius: 16px;
  color: #FFFFFF;
}

.cta h2 {
  color: #FFFFFF;
  border: none;
  margin: 0 0 12px;
  padding: 0;
}

.cta p {
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 24px;
}

.cta .badge {
  display: inline-block;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  color: #FFFFFF;
  font-size: 13px;
  letter-spacing: 0.05em;
}