/* Header */
.top-bar {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: var(--spacing-2) 0;
  font-size: 0.875rem;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-links {
  display: flex;
  gap: var(--spacing-3);
  align-items: center;
}

.main-header {
  background-color: var(--surface-color);
  padding: var(--spacing-3) 0;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.logo-img {
  width: 60px;
  height: 60px;
  background-color: #ddd;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.college-name {
  font-family: var(--font-heading);
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.college-affiliation {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.main-nav {
  display: flex;
  gap: var(--spacing-3);
  align-items: center;
}

.nav-link {
  color: var(--text-main);
  font-weight: 600;
  padding: var(--spacing-2) 0;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
  font-size: 0.95rem;
}

.nav-link:hover, .nav-link:focus {
  color: var(--primary-color);
}

.nav-item {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--surface-color);
  min-width: 200px;
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 10;
  padding: var(--spacing-2) 0;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: block;
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--text-main);
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--bg-color);
  color: var(--primary-color);
}

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

/* Marquee */
.marquee-container {
  background-color: var(--secondary-color);
  color: var(--text-light);
  overflow: hidden;
  white-space: nowrap;
  padding: var(--spacing-2) 0;
  position: relative;
  display: flex;
  align-items: center;
}

.marquee-title {
  background-color: var(--accent-color);
  color: var(--primary-color);
  padding: var(--spacing-1) var(--spacing-3);
  font-weight: 600;
  position: absolute;
  left: 0;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
}

.marquee-content {
  display: inline-block;
  padding-left: 150px; /* Space for the title */
  animation: marquee 20s linear infinite;
}

.marquee-content:hover,
.marquee-content:focus-within {
  animation-play-state: paused;
}

.marquee-item {
  display: inline-block;
  margin-right: var(--spacing-6);
}

.marquee-item a {
  color: var(--text-light);
  text-decoration: underline;
}

@keyframes marquee {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* Footer */
.site-footer {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: var(--spacing-6) 0 var(--spacing-3);
  margin-top: var(--spacing-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-5);
}

.footer-col h3 {
  color: var(--accent-color);
  margin-bottom: var(--spacing-3);
  font-size: 1.25rem;
  font-family: var(--font-heading);
}

.footer-links li {
  margin-bottom: var(--spacing-2);
}

.footer-links a {
  color: var(--border-color);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-3);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.875rem;
  color: var(--border-color);
}

/* Responsive Layout */
@media (max-width: 1024px) {
  .top-bar { display: none; } /* Hide top bar on smaller screens */
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--surface-color);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--spacing-8) var(--spacing-4) var(--spacing-4);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-normal);
    z-index: 99;
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    display: none;
    padding-left: var(--spacing-3);
    background-color: var(--bg-color);
  }
  
  .nav-item.active .dropdown-menu {
    display: block;
  }
}