/**
 * landing.css — Landing Page Styles
 *
 * Ariadne — STFC Fleet Intelligence System
 * Extracted from landing.html for CSP compliance (script-src/style-src 'self').
 */

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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2236;
  --bg-card: #151c2e;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-gold: #f0a030;
  --accent-gold-dim: #b07820;
  --accent-blue: #60a0ff;
  --accent-blue-dim: #3070cc;
  --accent-green: #34d399;
  --accent-purple: #a78bfa;
  --border: #1e293b;
  --radius: 8px;
}

html, body {
  height: 100%;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ───────────────────────────── */
.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ──────────────────────────── */
.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.landing-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
}
.landing-nav {
  display: flex;
  gap: 0.75rem;
}
.nav-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}
.nav-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-gold-dim);
}
.nav-btn-primary {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border-color: var(--accent-gold);
  font-weight: 600;
}
.nav-btn-primary:hover {
  background: var(--accent-gold-dim);
  border-color: var(--accent-gold-dim);
}

/* ── Hero ─────────────────────────────── */
.hero {
  flex: 0 0 auto;
  text-align: center;
  padding: 5rem 2rem 3rem;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}
.hero-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}
.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
  letter-spacing: 0.03em;
}
.hero .subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.hero-desc {
  max-width: 600px;
  margin: 0 auto 2.5rem;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-btn {
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  font-weight: 500;
}
.hero-btn-gold {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border-color: var(--accent-gold);
  font-weight: 700;
}
.hero-btn-gold:hover { background: var(--accent-gold-dim); }
.hero-btn-outline {
  background: transparent;
  color: var(--text-primary);
}
.hero-btn-outline:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-gold-dim);
}

/* ── Features ─────────────────────────── */
.features {
  padding: 3rem 2rem 4rem;
  max-width: 960px;
  margin: 0 auto;
}
.features h2 {
  text-align: center;
  font-size: 1.5rem;
  color: var(--accent-gold);
  margin-bottom: 2rem;
  letter-spacing: 0.03em;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.15s;
}
.feature-card:hover {
  border-color: var(--accent-gold-dim);
}
.feature-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}
.feature-card h3 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Footer ───────────────────────────── */
.landing-footer {
  margin-top: auto;
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  background: var(--bg-secondary);
}
.landing-footer a {
  color: var(--text-secondary);
  text-decoration: none;
}
.landing-footer a:hover {
  color: var(--accent-gold);
}
.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 0.5rem;
}

/* ── Auth Forms ───────────────────────── */
.auth-section {
  display: none;
  max-width: 420px;
  margin: 3rem auto;
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.auth-section.active { display: block; }
.auth-section h2 {
  font-size: 1.25rem;
  color: var(--accent-gold);
  margin-bottom: 1.5rem;
  text-align: center;
}
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-group input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color 0.15s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--accent-gold);
}
.form-submit {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  background: var(--accent-gold);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}
.form-submit:hover { background: var(--accent-gold-dim); }
.form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.form-footer {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.form-footer a {
  color: var(--accent-blue);
  cursor: pointer;
  text-decoration: none;
}
.form-footer a:hover { text-decoration: underline; }
.form-message {
  padding: 0.75rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  display: none;
}
.form-message.error {
  display: block;
  background: rgba(248, 113, 113, 0.15);
  border: 1px solid rgba(248, 113, 113, 0.3);
  color: #f87171;
}
.form-message.success {
  display: block;
  background: rgba(52, 211, 153, 0.15);
  border: 1px solid rgba(52, 211, 153, 0.3);
  color: #34d399;
}
.password-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ── Landing-specific inline style replacements ──── */
.feature-card-highlight {
  border-color: var(--accent-gold-dim);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(240,160,48,0.05) 100%);
}
.alpha-badge {
  font-size: 0.7rem;
  color: var(--accent-gold);
  vertical-align: middle;
}
.verify-text {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.verify-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.verify-hint a {
  color: var(--accent-blue);
}
.form-footer-spaced {
  margin-top: 1.5rem;
}

/* ── Responsive ───────────────────────── */
@media (max-width: 640px) {
  .hero { padding: 3rem 1.5rem 2rem; }
  .hero h1 { font-size: 1.75rem; }
  .hero-desc { font-size: 0.9rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .features { padding: 2rem 1.5rem 3rem; }
  .landing-header { padding: 0.75rem 1rem; }
}