/* Zeus Core AI — Site Styles */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #050812;
  --bg-soft: #0a0f1e;
  --bg-card: rgba(15, 23, 42, 0.6);
  --border: rgba(59, 130, 246, 0.15);
  --border-strong: rgba(59, 130, 246, 0.4);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent: #3b82f6;
  --accent-soft: #60a5fa;
  --gold: #fbbf24;
  --danger: #f87171;
  --ok: #34d399;
}

html, body {
  background: radial-gradient(ellipse at top, #0a1028 0%, #050812 60%);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent-soft); text-decoration: none; }
a:hover { color: var(--accent); }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 2px;
}
.logo-mark {
  width: 34px; height: 34px;
  border: 2px solid var(--accent);
  border-radius: 10px;
  display: grid; place-items: center;
  color: var(--accent);
  font-size: 18px;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.35);
}
.nav a { margin-left: 24px; font-size: 14px; color: var(--text-muted); }

/* Hero */
.hero {
  position: relative;
  padding: 140px 0 120px;
  text-align: center;
  background-image:
    radial-gradient(ellipse at center top, rgba(59, 130, 246, 0.18) 0%, transparent 55%),
    url("/assets/zeus-hero.jpeg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(5, 8, 18, 0.55) 0%,
    rgba(5, 8, 18, 0.35) 40%,
    rgba(5, 8, 18, 0.75) 80%,
    var(--bg) 100%);
  z-index: 0;
}
.hero > .container { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #93c5fd 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .tagline {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 40px;
}
.pills {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 40px;
}
.pill {
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--bg-card);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-soft);
}
.cta-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(59, 130, 246, 0.5); }
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); }
.btn-disabled {
  opacity: 0.6; cursor: not-allowed;
}

/* Features */
.section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.section h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  text-align: center;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.section .subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 50px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.2s ease;
}
.card:hover { border-color: var(--border-strong); }
.card-icon {
  font-size: 28px;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: rgba(59, 130, 246, 0.1);
  border-radius: 10px;
  margin-bottom: 16px;
}
.card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.card p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* Promise section */
.promise {
  padding: 80px 0;
  text-align: center;
}
.promise blockquote {
  max-width: 780px;
  margin: 0 auto;
  font-size: clamp(18px, 2.5vw, 26px);
  font-style: italic;
  color: var(--text);
  line-height: 1.5;
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  text-align: left;
}
.promise cite {
  display: block;
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-dim);
  font-style: normal;
  letter-spacing: 1px;
}

/* Footer */
footer {
  padding: 40px 0 60px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 13px;
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-links a { margin-right: 20px; color: var(--text-muted); }

/* Privacy / Terms pages */
article.doc {
  max-width: 780px;
  margin: 0 auto;
  padding: 60px 0;
}
article.doc h1 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
article.doc .updated {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 40px;
}
article.doc h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 36px 0 14px;
  color: var(--accent-soft);
}
article.doc h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 22px 0 10px;
}
article.doc p, article.doc li {
  color: var(--text);
  margin-bottom: 10px;
}
article.doc ul, article.doc ol {
  padding-left: 22px;
  margin-bottom: 14px;
}
article.doc code {
  background: rgba(59, 130, 246, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--accent-soft);
}

@media (max-width: 640px) {
  .nav a { margin-left: 16px; font-size: 13px; }
  .hero { padding: 60px 0 50px; }
  .section { padding: 60px 0; }
}