/* ==============================================================================
   AURICPASS COMMERCIAL DESIGN SYSTEM (v2.0 Linear-Grade Obsidian Standard)
   ============================================================================== */

:root {
  --bg-base: #090a0f;
  --bg-surface: #0f121d;
  --bg-card: rgba(19, 22, 34, 0.75);
  --bg-card-hover: rgba(28, 33, 52, 0.85);
  --bg-elevated: #161a29;
  
  --gold-primary: #d4af37;
  --gold-light: #f5c542;
  --gold-glow: rgba(212, 175, 55, 0.35);
  --gold-dim: rgba(212, 175, 55, 0.12);
  --gold-border: rgba(212, 175, 55, 0.25);
  
  --emerald-primary: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.35);
  --emerald-dim: rgba(16, 185, 129, 0.12);
  --emerald-border: rgba(16, 185, 129, 0.3);

  --blue-accent: #38bdf8;
  --purple-accent: #a855f7;

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-subtle: #94a3b8;
  --text-dim: #94a3b8;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.12);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, Monaco, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --container-max: 1240px;
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --shadow-gold: 0 0 25px rgba(212, 175, 55, 0.2);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% -20%, rgba(212, 175, 55, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 90% 40%, rgba(16, 185, 129, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(56, 189, 248, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Atmospheric Ambient Grid */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ==============================================================================
   TYPOGRAPHY
   ============================================================================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
}

h3 {
  font-size: 1.5rem;
}

p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.lead {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  color: #cbd5e1;
  max-width: 780px;
}

.text-gold {
  color: var(--gold-light);
}

.text-gradient-gold {
  background: linear-gradient(135deg, #ffffff 0%, #fde047 30%, #d4af37 70%, #b48c1e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-gradient-emerald {
  background: linear-gradient(135deg, #ffffff 0%, #6ee7b7 40%, #10b981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.font-mono {
  font-family: var(--font-mono);
}

/* ==============================================================================
   NAVIGATION HEADER
   ============================================================================== */

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(9, 10, 15, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.25s ease;
}

.site-header.scrolled {
  background: rgba(9, 10, 15, 0.95);
  border-bottom-color: var(--gold-border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.brand-logo svg, .brand-logo img {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.brand-wordmark {
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--gold-dim);
  color: var(--gold-light);
  border: 1px solid var(--gold-border);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

/* ==============================================================================
   BUTTONS & BADGES
   ============================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
}

.btn-primary {
  background: linear-gradient(135deg, #f5c542 0%, #d4af37 100%);
  color: #090a0f;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.35);
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-1.5px);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
  filter: brightness(1.06);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-glass);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--gold-border);
  color: var(--gold-light);
  transform: translateY(-1.5px);
}

.btn-outline-gold {
  background: var(--gold-dim);
  color: var(--gold-light);
  border-color: var(--gold-border);
}

.btn-outline-gold:hover {
  background: rgba(212, 175, 55, 0.25);
  transform: translateY(-1.5px);
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(12px);
  color: var(--text-muted);
}

.pill-badge.glow-gold {
  border-color: var(--gold-border);
  background: rgba(212, 175, 55, 0.08);
  color: var(--gold-light);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--emerald-primary);
  box-shadow: 0 0 10px var(--emerald-primary);
  display: inline-block;
}

/* ==============================================================================
   SECTIONS & LAYOUT BLOCKS
   ============================================================================== */

section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px auto;
}

.section-header .pill-badge {
  margin-bottom: 20px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.15rem;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  border-color: var(--border-glass);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glass);
}

.glass-card.card-gold-glow:hover {
  border-color: var(--gold-border);
  box-shadow: var(--shadow-gold), var(--shadow-glass);
}

/* ==============================================================================
   FOOTER
   ============================================================================== */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #06070a;
  padding: 80px 0 40px 0;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand p {
  margin-top: 16px;
  max-width: 320px;
  font-size: 0.9rem;
}

.footer-col h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-main);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 32px;
  color: var(--text-subtle);
  font-size: 0.85rem;
}

/* ==============================================================================
   RESPONSIVE
   ============================================================================== */

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }

  .mobile-nav-toggle {
    display: block;
  }

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

@media (max-width: 640px) {
  section {
    padding: 64px 0;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}