/* PraetorX — Professional Dark Theme
   Design register: ADR-008 (enterprise product site)
   NO particle dust, glass tiles, or glow effects */

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-card-hover: #222222;
  --accent: #00DD99;
  --accent-dark: #00BB77;
  --accent-glow: rgba(0, 221, 153, 0.15);
  --text-heading: #FFFFFF;
  --text-body: #CCCCCC;
  --text-muted: #888888;
  --border: #2a2a2a;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --radius: 8px;
  --transition: 200ms ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--text-body);
  background: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; height: auto; display: block; }

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

section { padding: 96px 0; }
section.alt { background: var(--bg-secondary); }

/* Typography */
h1, h2, h3, h4 { color: var(--text-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: 3rem; margin-bottom: 24px; }
h2 { font-size: 2rem; margin-bottom: 16px; }
h3 { font-size: 1.25rem; margin-bottom: 12px; }
h4 { font-size: 1rem; margin-bottom: 8px; }

.subtitle {
  font-size: 1.25rem;
  color: var(--text-body);
  max-width: 640px;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: 2px;
}
.logo:hover { color: var(--accent); }

nav { display: flex; align-items: center; gap: 32px; }

nav a {
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition);
}
nav a:hover, nav a.active { color: var(--text-heading); }

.lang-toggle {
  display: flex;
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}
.lang-btn:hover { color: var(--text-heading); }
.lang-btn.active {
  background: var(--accent);
  color: var(--bg-primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-heading);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 120px 0 96px;
  text-align: center;
}

.hero h1 { font-size: 3.5rem; max-width: 800px; margin: 0 auto 24px; }

.hero .subtitle { margin: 0 auto 40px; }

.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--bg-primary);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent-glow);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-sm { padding: 8px 16px; font-size: 0.8125rem; }

/* Stats Bar */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  text-align: center;
  padding: 48px 0;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 221, 153, 0.3);
  transform: translateY(-2px);
}

.card-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  border-radius: 12px;
}

.card h3 { font-size: 1.125rem; margin-bottom: 8px; }

.card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-price {
  position: absolute;
  top: 16px;
  right: 16px;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-price {
  background: var(--accent-glow);
  color: var(--accent);
}

.badge-free {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.badge-tier {
  background: rgba(0, 221, 153, 0.08);
  color: var(--accent);
  border: 1px solid rgba(0, 221, 153, 0.2);
}

/* Trust Signals */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  text-align: center;
}

.trust-item {
  padding: 32px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.trust-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.trust-item h4 { color: var(--text-heading); margin-bottom: 4px; }
.trust-item p { font-size: 0.8125rem; color: var(--text-muted); }

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 96px 0;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

footer h4 {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

footer ul { list-style: none; }
footer li { margin-bottom: 8px; }
footer li a { color: var(--text-body); font-size: 0.875rem; }
footer li a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-built a { color: var(--text-muted); }
.footer-built a:hover { color: var(--accent); }

/* Legal Pages */
.legal-content { max-width: 800px; }
.legal-content h2 { margin-top: 48px; font-size: 1.5rem; }
.legal-content h3 { margin-top: 32px; font-size: 1.125rem; }
.legal-content p { margin-bottom: 16px; }
.legal-content ul { padding-left: 24px; margin-bottom: 16px; }
.legal-content li { margin-bottom: 8px; color: var(--text-body); }
.legal-content a { color: var(--accent); }
.legal-update { margin-top: 48px; }
.legal-update small { color: var(--text-muted); }

/* Tier Separator */
.tier-heading {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin: 48px 0 24px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.tier-heading:first-of-type { margin-top: 0; }

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  .hero h1 { font-size: 2.5rem; }
  section { padding: 64px 0; }

  .menu-toggle { display: block; }

  nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 300ms ease;
  }

  nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .card-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
}

/* Detail Pages */
.detail-hero {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 64px 0 48px;
}

.detail-hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 20px;
  flex-shrink: 0;
}

.detail-hero-text { flex: 1; }
.detail-hero-text h1 { font-size: 2.5rem; margin-bottom: 8px; }

.detail-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.detail-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.detail-section { margin-bottom: 48px; }
.detail-section h2 {
  font-size: 1.5rem;
  margin-bottom: 24px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.feature-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.feature-item h4 { margin-bottom: 8px; }
.feature-item p { font-size: 0.875rem; color: var(--text-muted); margin: 0; }

.detail-specs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.spec-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.spec-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.spec-value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-heading);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 16px;
}

.screenshot-grid img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
}

.companion-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.companion-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  transition: all var(--transition);
  display: block;
}

.companion-card:hover {
  border-color: rgba(0, 221, 153, 0.3);
  transform: translateY(-2px);
}

.companion-card h4 { color: var(--text-heading); margin-bottom: 4px; }
.companion-card p { font-size: 0.8125rem; color: var(--text-muted); margin: 0; }

@media (max-width: 768px) {
  .detail-hero { flex-direction: column; gap: 16px; }
  .detail-hero-text h1 { font-size: 2rem; }
  .screenshot-grid { grid-template-columns: 1fr; }
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 400ms ease, transform 400ms ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}