:root {
  /* Colors - Institutional Blue and Gold */
  --primary-color: #0A2540; /* Institutional Blue */
  --primary-light: #1E4675;
  --primary-dark: #051425;
  
  --accent-color: #D4AF37; /* Gold */
  --accent-light: #F0D47C;
  --accent-dark: #A88720;
  
  --bg-color: #f8f9fa;
  --white: #ffffff;
  --text-main: #333333;
  --text-muted: #6c757d;
  --border-color: #dee2e6;

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;

  /* Shadows & Radii */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-color);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-dark);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-dark);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

section {
  padding: var(--spacing-lg) 0;
}

/* Header & Nav */
.site-header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

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

.logo-container img {
  height: 60px;
}

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

.logo-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

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

.main-nav a {
  color: var(--text-main);
  font-weight: 500;
  padding: var(--spacing-xs) 0;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

.main-nav a:hover::after, .main-nav a.active::after {
  width: 100%;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--primary-dark) !important;
  transition: all 0.3s ease;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 5px;
  left: 50%;
  background-color: var(--accent-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 80%;
}
.nav-link:hover {
  color: var(--accent-dark) !important;
  transform: translateY(-2px);
}

.btn-gallery:hover {
  background-color: var(--primary-light) !important;
  color: var(--white) !important;
  transform: translateY(-2px);
}
.btn-login:hover {
  background-color: var(--primary-dark) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;
}

.main-nav .login-btn {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all 0.3s ease;
}

.main-nav .login-btn::after {
  display: none;
}

.main-nav .login-btn:hover {
  background-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

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

/* Footer */
.site-footer {
  background-color: var(--primary-dark);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: auto;
}

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

.footer-col h4 {
  color: var(--accent-color);
  margin-bottom: var(--spacing-sm);
}

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

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

.footer-col a {
  color: var(--white);
  opacity: 0.8;
}

.footer-col a:hover {
  color: var(--accent-color);
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Utilities */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }

/* Responsive */
@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
  }
  
  .main-nav.show {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .logo-text {
    font-size: 1.2rem;
  }

  /* Global Mobile Font Size Reductions */
  html, body {
    font-size: 14px;
  }
  h1 { font-size: 1.8rem !important; }
  h2 { font-size: 1.5rem !important; }
  h3 { font-size: 1.3rem !important; }
  h4 { font-size: 1.1rem !important; }
  h5 { font-size: 1rem !important; }
  h6 { font-size: 0.9rem !important; }
  .display-3 { font-size: 2.2rem !important; }
  .lead { font-size: 1rem !important; }
  .fs-4 { font-size: 1.2rem !important; }
  .fs-5 { font-size: 1rem !important; }
  .card-body { padding: 1.5rem !important; }
  .btn { padding: 0.5rem 1rem; font-size: 0.9rem; }
  p { font-size: 0.9rem !important; }
}