:root {
  --primary: #4A8DB5;
  --accent: #CD6E48;
  --text: #1A2530;
  --text-muted: #4A5A68;
  --text-light: #8FA4B4;
  --surface: #FFFFFF;
  --bg: #F5F9FC;
  --border: #E8EFF4;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav a {
  color: var(--text-muted);
  text-decoration: none;
  margin-left: 24px;
  font-size: 14px;
  font-weight: 500;
}
.nav a:hover { color: var(--primary); }

/* Hero */
.hero {
  background: linear-gradient(180deg, #4A8DB5 0%, #6AAFD4 100%);
  color: white;
  padding: 80px 0 100px;
  text-align: center;
}
.hero h1 {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.hero p.tagline {
  font-size: 20px;
  opacity: 0.95;
  margin-bottom: 32px;
}
.hero .cta {
  display: inline-block;
  background: white;
  color: var(--primary);
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  font-size: 16px;
}

/* Features */
.features {
  padding: 80px 0;
  background: var(--surface);
}
.features h2 {
  text-align: center;
  font-size: 32px;
  margin-bottom: 48px;
  letter-spacing: -0.5px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}
.feature {
  text-align: center;
}
.feature-icon {
  width: 56px;
  height: 56px;
  background: #C4E3F0;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 16px;
}
.feature h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--text);
}
.feature p {
  font-size: 14px;
  color: var(--text-muted);
}

/* Content pages (privacy, terms) */
.content {
  padding: 48px 0 80px;
  background: var(--surface);
  min-height: 60vh;
}
.content h1 {
  font-size: 32px;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.content .updated {
  color: var(--text-light);
  font-size: 13px;
  margin-bottom: 32px;
}
.content h2 {
  font-size: 20px;
  margin: 32px 0 12px;
  color: var(--primary);
}
.content h3 {
  font-size: 16px;
  margin: 20px 0 8px;
}
.content p, .content li {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 12px;
}
.content ul, .content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
.content a {
  color: var(--primary);
}

/* Footer */
.site-footer {
  background: var(--text);
  color: white;
  padding: 32px 0;
  text-align: center;
  font-size: 13px;
}
.site-footer a {
  color: white;
  opacity: 0.8;
  margin: 0 12px;
  text-decoration: none;
}
.site-footer a:hover { opacity: 1; }
.site-footer .copy {
  margin-top: 12px;
  opacity: 0.6;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 36px; }
  .hero p.tagline { font-size: 17px; }
  .nav a { margin-left: 16px; font-size: 13px; }
}