/* ===================================
   SceneLink - Master Design System
   Production Ready - All Pages
   =================================== */

/* CSS Variables */
:root {
  /* Colors */
  --gold-primary: #D4AF37;
  --gold-light: #E8C968;
  --gold-dark: #B8941F;
  --dark-bg: #0a0a0a;
  --dark-card: #1a1a1a;
  --dark-lighter: #252525;
  --dark-elevated: #2d2d2d;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #808080;
  --border-color: rgba(212, 175, 55, 0.2);
  --success: #4CAF50;
  --error: #F44336;
  --warning: #FFC107;
  
  /* Spacing - Consistent across all pages */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 5rem;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.6);
  
  /* Transitions */
  --transition: 0.3s ease;
  
  /* Header Height */
  --header-height: 70px;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--dark-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: var(--header-height);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition);
}

/* Container System */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.container-fluid {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* ===================================
   CONSISTENT HEADER - ALL PAGES
   =================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
}

.header-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  height: 100%;
  display: grid;
  grid-template-columns: 220px 1fr 320px;
  align-items: center;
  gap: var(--spacing-xl);
}

/* Logo Section */
.header-logo {
  display: flex;
  align-items: center;
}

.header-logo img {
  height: 45px;
  width: auto;
  object-fit: contain;
  /* Add white background for logo visibility */
  background: white;
  padding: 4px;
  border-radius: var(--radius-sm);
}

/* Navigation */
.header-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.header-nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap;
}

.header-nav-link:hover {
  color: var(--gold-primary);
  background: rgba(212, 175, 55, 0.1);
}

.header-nav-link.active {
  color: var(--gold-primary);
  background: rgba(212, 175, 55, 0.15);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

.header-icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: var(--dark-card);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}

.header-icon-btn:hover {
  color: var(--gold-primary);
  border-color: var(--gold-primary);
  transform: translateY(-2px);
}

.header-btn-primary {
  padding: 0.625rem 1.5rem;
  background: linear-gradient(135deg, var(--gold-primary), var(--gold-light));
  color: var(--dark-bg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.header-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  background: var(--dark-card);
  border-radius: var(--radius-sm);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ===================================
   CONSISTENT FOOTER - ALL PAGES
   =================================== */

.site-footer {
  background: var(--dark-card);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-4xl);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 2.5fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--border-color);
}

/* Footer Brand */
.footer-brand {
  max-width: 380px;
}

.footer-logo {
  width: 180px;
  height: auto;
  margin-bottom: var(--spacing-lg);
  /* Add white background for logo visibility */
  background: white;
  padding: 8px;
  border-radius: var(--radius-md);
}

.footer-tagline {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gold-primary);
  margin-bottom: var(--spacing-sm);
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social-link {
  width: 44px;
  height: 44px;
  background: var(--dark-lighter);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.footer-social-link:hover {
  border-color: var(--gold-primary);
  color: var(--gold-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

/* Footer Links */
.footer-links {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-xl);
}

.footer-column h4 {
  margin-bottom: var(--spacing-lg);
  color: var(--gold-primary);
  font-size: 1rem;
  font-weight: 600;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: var(--spacing-sm);
}

.footer-column a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color var(--transition);
}

.footer-column a:hover {
  color: var(--gold-primary);
}

/* Footer Bottom */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.footer-bottom-links a {
  color: var(--text-muted);
  transition: color var(--transition);
}

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

/* ===================================
   BUTTON SYSTEM
   =================================== */

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-primary), var(--gold-light));
  color: var(--dark-bg);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--dark-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--gold-primary);
  color: var(--gold-primary);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-full {
  width: 100%;
}

/* ===================================
   CARD SYSTEM
   =================================== */

.card {
  background: var(--dark-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-primary);
  box-shadow: var(--shadow-lg);
}

.card-header {
  margin-bottom: var(--spacing-lg);
}

.card-title {
  font-size: 1.4rem;
  margin-bottom: var(--spacing-sm);
}

.card-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.card-body {
  margin-bottom: var(--spacing-lg);
}

.card-footer {
  display: flex;
  gap: var(--spacing-sm);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

/* ===================================
   SECTION SYSTEM
   =================================== */

.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.2rem;
}

/* ===================================
   GRID SYSTEM
   =================================== */

.grid {
  display: grid;
  gap: var(--spacing-xl);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ===================================
   FORM SYSTEM
   =================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--dark-lighter);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: border-color var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--gold-primary);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===================================
   MODAL SYSTEM
   =================================== */

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--dark-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 500px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-xl);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  background: var(--dark-lighter);
  border-radius: 50%;
  transition: all var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
  background: var(--dark-elevated);
}

/* ===================================
   UTILITY CLASSES
   =================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-gold { color: var(--gold-primary); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

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

@media (max-width: 1200px) {
  .header-container {
    grid-template-columns: 180px 1fr 280px;
  }
  
  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .header-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .header-container {
    grid-template-columns: 1fr auto;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }
  
  .header-logo img {
    height: 38px;
  }
  
  .container,
  .container-fluid {
    padding: 0 var(--spacing-md);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .header-actions {
    gap: var(--spacing-sm);
  }
  
  .header-icon-btn {
    width: 36px;
    height: 36px;
  }
  
  .header-btn-primary {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.fade-in {
  animation: fadeIn 0.5s ease;
}

.slide-in {
  animation: slideIn 0.3s ease;
}

/* ===================================
   LOADING STATES
   =================================== */

.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--dark-lighter);
  border-top-color: var(--gold-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===================================
   NOTIFICATION SYSTEM
   =================================== */

.notification {
  position: fixed;
  top: calc(var(--header-height) + 20px);
  right: 20px;
  background: var(--dark-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  max-width: 350px;
  box-shadow: var(--shadow-xl);
  z-index: 3000;
  animation: slideIn 0.3s ease;
}

.notification-success {
  border-color: var(--success);
}

.notification-error {
  border-color: var(--error);
}

.notification-warning {
  border-color: var(--warning);
}