/* 
  Layout & Global Components
  Header, Footer, Grid System
*/

/* Container & Grid */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

@media (min-width: 640px) {
  .grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Flex Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--spacing-sm); }
.gap-4 { gap: var(--spacing-md); }
.gap-6 { gap: var(--spacing-lg); }

/* Main Content Wrapper */
main {
  flex: 1 0 auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
  padding: var(--spacing-md) 0;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  padding: var(--spacing-sm) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-links a {
  color: var(--color-text-muted);
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-primary);
  transition: width var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 10px 15px rgba(0,0,0,0.05);
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}

/* Global Search */
.global-search {
  position: relative;
  width: 100%;
  max-width: 300px;
}

.global-search input {
  padding-left: 2.5rem;
  border-radius: var(--radius-full);
}

.global-search .search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
}

.search-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-sm);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  display: none;
  max-height: 300px;
  overflow-y: auto;
  z-index: 10;
}

.search-results.active {
  display: block;
}

.search-result-item {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
}

/* Breadcrumbs */
.breadcrumbs {
  padding: var(--spacing-md) 0;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.breadcrumbs a {
  color: var(--color-text-muted);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs .separator {
  margin: 0 var(--spacing-sm);
}

/* Footer */
.site-footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-3xl) 0 var(--spacing-md);
  margin-top: auto;
  transition: background-color var(--transition-slow);
}

/* In dark mode, the footer should be fully dark as requested */
body.dark-theme .site-footer {
  background-color: #000000;
  border-top-color: #1f2937;
}

.footer-top {
  margin-bottom: var(--spacing-2xl);
}

.footer-col h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.footer-col p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

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

.footer-col a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.social-icons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-bg);
  color: var(--color-text);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: all var(--transition-fast);
}

.social-icon:hover {
  transform: scale(1.1);
  color: white;
}

.social-icon.fb:hover { background-color: #1877F2; box-shadow: 0 0 15px rgba(24, 119, 242, 0.5); }
.social-icon.ig:hover { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); box-shadow: 0 0 15px rgba(220, 39, 67, 0.5); }
.social-icon.tw:hover { background-color: #000000; box-shadow: 0 0 15px rgba(0, 0, 0, 0.5); }
.social-icon.in:hover { background-color: #0A66C2; box-shadow: 0 0 15px rgba(10, 102, 194, 0.5); }

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: 0.875rem;
}


@media (min-width: 1024px) {
  .grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}