/* LifeOS Public Pages CSS */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0A0B0E; --bg-2: #13151A; --bg-3: #1C1F26; --bg-4: #252932;
  --fg: #E8E6E1; --fg-dim: #B8B6B1; --muted: #7A7E89;
  --accent: #D4FF4F; --accent-2: #FF6B47; --accent-3: #6BC9FF; --accent-4: #C77DFF;
  --border: rgba(255,255,255,0.08); --border-strong: rgba(255,255,255,0.16);
}
html[data-theme="light"] {
  --bg: #F7F6F2; --bg-2: #FFFFFF; --bg-3: #EFEDE6; --bg-4: #E2DFD6;
  --fg: #1A1A1A; --fg-dim: #4A4A4A; --muted: #8A8A8A;
  --border: rgba(0,0,0,0.08); --border-strong: rgba(0,0,0,0.16);
}
body { font-family: 'Space Grotesk', sans-serif; background: var(--bg); color: var(--fg); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
.font-serif { font-family: 'Instrument Serif', serif; font-weight: 400; }
.italic { font-style: italic; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 4px; }

.btn-primary { background: var(--accent); color: #0A0B0E; font-weight: 600; padding: 10px 18px; border-radius: 8px; transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px; cursor: pointer; border: none; font-family: inherit; font-size: 13px; text-decoration: none; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(212,255,79,0.25); }
.btn-ghost { background: transparent; color: var(--fg); border: 1px solid var(--border-strong); padding: 10px 18px; border-radius: 8px; transition: all 0.2s; cursor: pointer; font-family: inherit; font-size: 13px; display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: rgba(212,255,79,0.04); }

/* Public Navbar */
.nav-glass { position: fixed; top: 0; left: 0; right: 0; z-index: 50; background: rgba(10,11,14,0.8); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 14px 28px; height: 64px; }
.logo { display: flex; align-items: center; gap: 12px; cursor: pointer; text-decoration: none; color: var(--fg); }
.logo-icon { width: 32px; height: 32px; border-radius: 8px; background: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.logo-text { font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--fg-dim); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.nav-links a:hover { color: var(--fg); }
.nav-actions { display: flex; gap: 12px; align-items: center; }

/* Public Footer */
.public-footer { border-top: 1px solid var(--border); background: var(--bg-2); padding: 48px 28px; margin-top: 64px; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-col h4 { font-family: 'JetBrains Mono', monospace; font-size: 12px; text-transform: uppercase; letter-spacing: 0.15em; color: var(--muted); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--fg-dim); text-decoration: none; font-size: 14px; margin-bottom: 8px; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { max-width: 1200px; margin: 32px auto 0; padding-top: 24px; border-top: 1px solid var(--border); text-align: center; color: var(--muted); font-size: 12px; }

/* Shared Components */
.container { max-width: 1200px; margin: 0 auto; padding: 96px 32px; }
.breadcrumb { max-width: 1200px; margin: 0 auto; padding: 96px 32px 0; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 8px; }

.section-header { text-align: center; margin-bottom: 64px; }
.section-tag { font-family: 'JetBrains Mono', monospace; font-size: 12px; text-transform: uppercase; letter-spacing: 0.2em; color: var(--accent); margin-bottom: 12px; }
.section-header h2 { font-size: 48px; font-weight: 700; letter-spacing: -0.02em; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 16px; padding: 24px; transition: all 0.3s; position: relative; overflow: hidden; }
.feature-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.feat-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--fg-dim); line-height: 1.5; }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}