/**
 * CAMPUS.CAMP — Canonical Design System
 * RIGOROUS BRAND PALETTE: ONLY ORO, NERO, BIANCO (NO OTHER COLORS)
 * - NERO: #000000, #050505, #0a0a0a, #121212, #181818
 * - BIANCO: #ffffff, #fafafa, #eeeeee, #cccccc
 * - ORO: #d4af37, #c5a059, #e5c158, #bf953f, #aa771c, #fcf6ba, gold gradients & glows
 */

:root {
  /* Pure Black Foundation */
  --bg-pure-black: #000000;
  --bg-dark: #050505;
  --bg-card: #0c0c0c;
  --bg-card-hover: #141414;
  --bg-glass: rgba(10, 10, 10, 0.82);
  
  /* Gold Borders & Accents */
  --border-gold: rgba(212, 175, 55, 0.28);
  --border-gold-bright: rgba(212, 175, 55, 0.65);
  --border-subtle: rgba(255, 255, 255, 0.08);

  /* Pure White & Neutral Monochrome Typography */
  --text-white: #ffffff;
  --text-light: #f5f5f5;
  --text-muted: #b5b5b5;
  --text-dim: #757575;

  /* Gold Luxury Tones */
  --gold-primary: #d4af37;
  --gold-light: #fcf6ba;
  --gold-dark: #aa771c;
  --gold-metallic: #c5a059;
  --gold-gradient: linear-gradient(135deg, #bf953f 0%, #fcf6ba 25%, #b38728 50%, #fbf5b7 75%, #aa771c 100%);
  --gold-glow: 0 0 25px rgba(212, 175, 55, 0.4);
  --gold-glow-intense: 0 0 40px rgba(212, 175, 55, 0.7);

  /* Classical & Modern Typography */
  --font-serif: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-pure-black);
}

body {
  background-color: var(--bg-pure-black);
  color: var(--text-white);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Background Atmosphere: Subtle Gold Dust Radial */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 140vw;
  height: 70vh;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

/* Luxury Damask Filigree Watermark Pattern (Site-Wide on Every Page) */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url('/assets/visual/luxury-pattern-bg.jpg');
  background-repeat: repeat;
  background-size: 560px auto;
  background-position: center center;
  opacity: 0.16;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
  transition: opacity 0.5s ease;
}

@media (max-width: 768px) {
  body::after {
    background-size: 360px auto;
    opacity: 0.13;
  }
}

/* Typography & Headings */
h1, h2, h3, h4, .brand-font {
  font-family: var(--font-serif);
  letter-spacing: 1.5px;
  color: var(--text-white);
}

.gold-text {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  font-weight: 800;
}

.gold-glow {
  text-shadow: 0 0 25px rgba(212, 175, 55, 0.5);
}

/* Navigation Header */
.navbar {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-gold);
  z-index: 1000;
  padding: 14px 24px;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo {
  height: 48px;
  width: auto;
  filter: drop-shadow(0 2px 10px rgba(212, 175, 55, 0.45));
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
}

.nav-brand-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 3.5px;
  color: #ffffff;
  line-height: 1.1;
}

.nav-brand-motto {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--gold-primary);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--gold-light);
}

/* Navigation Dropdown */
.nav-item-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: rgba(8, 8, 8, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 10px 0;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.85), 0 0 20px rgba(212, 175, 55, 0.15);
  display: none;
  flex-direction: column;
  z-index: 1050;
}

.nav-item-dropdown:hover .nav-dropdown-menu,
.nav-item-dropdown:focus-within .nav-dropdown-menu {
  display: flex;
}

.nav-dropdown-header {
  padding: 6px 18px 6px 18px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gold-primary);
  font-weight: 800;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 4px;
}

.nav-dropdown-item {
  padding: 8px 18px;
  color: #e2e8f0;
  text-decoration: none;
  font-size: 13px;
  transition: var(--transition-smooth);
  display: block;
}

.nav-dropdown-item:hover {
  background: rgba(212, 175, 55, 0.12);
  color: var(--gold-light);
  padding-left: 22px;
}

/* Luxury Gold & Black Buttons */
.btn-gold {
  background: var(--gold-gradient);
  color: #000000 !important;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 13.5px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  box-shadow: var(--gold-glow);
  transition: var(--transition-smooth);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: var(--gold-glow-intense);
}

.btn-outline-gold {
  background: transparent;
  color: var(--gold-primary) !important;
  border: 1px solid var(--gold-primary);
  font-weight: 700;
  font-size: 13.5px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.btn-outline-gold:hover {
  background: rgba(212, 175, 55, 0.12);
  color: var(--gold-light) !important;
  border-color: var(--gold-light);
}

/* Layout Containers & Sections */
.main-content {
  flex: 1;
  position: relative;
  z-index: 1;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 85px 0;
}

/* Glassmorphism Black & Gold Cards */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 34px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.7);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: var(--border-gold-bright);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.9), 0 0 20px rgba(212, 175, 55, 0.15);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 70px 20px;
  overflow: hidden;
  background-color: var(--bg-pure-black);
}

.hero-video-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  opacity: 0.22;
  filter: grayscale(80%) contrast(1.15);
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0.98) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-crest {
  width: 120px;
  height: auto;
  margin-bottom: 26px;
  filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.55));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.hero-title {
  font-size: clamp(38px, 6.5vw, 72px);
  font-weight: 900;
  letter-spacing: 7px;
  text-transform: uppercase;
  margin-bottom: 12px;
  line-height: 1.1;
}

.hero-motto {
  font-size: clamp(13px, 2vw, 18px);
  letter-spacing: 5px;
  color: var(--gold-primary);
  text-transform: uppercase;
  margin-bottom: 26px;
  font-weight: 700;
}

.hero-subtitle {
  font-size: clamp(16px, 2.2vw, 22px);
  color: var(--text-muted);
  max-width: 740px;
  margin: 0 auto 38px auto;
  font-weight: 300;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Feature Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 26px;
}

.feature-card {
  border-top: 3px solid var(--gold-primary);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.feature-title {
  font-size: 20px;
  margin-bottom: 12px;
  color: #ffffff;
}

.feature-desc {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Master Footer - Strict Nero, Oro, Bianco */
.footer {
  background: #020202;
  border-top: 1px solid var(--border-gold);
  padding: 65px 0 35px 0;
  font-size: 13.5px;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 45px;
  margin-bottom: 50px;
}

.footer-brand h3 {
  font-size: 22px;
  color: #ffffff;
  margin-bottom: 8px;
  letter-spacing: 2.5px;
}

.footer-brand p {
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 13.5px;
  color: var(--gold-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  font-size: 12px;
  color: var(--text-dim);
}

/* Cookie Banner CMP */
.cookie-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 600px;
  background: rgba(5, 5, 5, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid var(--gold-primary);
  border-radius: var(--radius-md);
  padding: 22px 26px;
  z-index: 9999;
  box-shadow: 0 10px 40px rgba(0,0,0,0.9);
  display: none;
}

.cookie-content {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.cookie-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* Form Styles */
.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: inherit;
  font-size: 15px;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--gold-light);
  background: rgba(212, 175, 55, 0.06);
  box-shadow: 0 0 18px rgba(212, 175, 55, 0.25);
}

select.form-control option {
  background: #0c0c0c;
  color: #ffffff;
}

/* Responsive: 9:16 (Phone), 9:18 (PWA), 16:9 (Desktop) */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn-gold, 
  .hero-actions .btn-outline-gold,
  .form-actions .btn-gold,
  .form-actions .btn-outline-gold {
    width: 100%;
  }
}