/* Root Variables */
:root {
  --primary-color: #1A365D;
  --secondary-color: #2A4365;
  --accent-color: #FFD700;
  --success-color: #2D8659;
  --warning-color: #E67E22;
  --error-color: #C0392B;
  --light-color: #F8FAFC;
  --dark-color: #1E293B;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

/* Global Styles */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #2D3748;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Georgia', Times, serif;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.2;
}

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

a:hover {
  color: var(--secondary-color);
}

.btn {
  border-radius: var(--border-radius);
  padding: 0.625rem 1.5rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

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

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: white;
}

.card {
  border-radius: var(--border-radius);
  border: none;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.section-header {
  margin-bottom: 3rem;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
}

.section-header h2:after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 50px;
  height: 3px;
  background-color: var(--accent-color);
  transform: translateX(-50%);
}

/* Header Styles */
.navbar {
  padding: 1rem 0;
  transition: var(--transition);
}

.navbar-brand {
  font-family: 'Georgia', Times, serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.navbar-brand span {
  color: var(--accent-color);
}

.navbar-nav .nav-link {
  font-weight: 600;
  color: var(--dark-color);
  padding: 0.5rem 1rem;
  transition: var(--transition);
}

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

.navbar-nav .dropdown-menu {
  border: none;
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
}

.navbar-scrolled {
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Hero Section */
.hero-section {
  padding: 8rem 0 4rem;
  background-color: var(--light-color);
  position: relative;
  overflow: hidden;
}

.hero-section:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26, 54, 93, 0.05) 0%, rgba(255, 215, 0, 0.05) 100%);
}

.hero-text h1 {
  font-size: 2.75rem;
  margin-bottom: 1.5rem;
}

.hero-text p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: #4A5568;
}

.hero-btns .btn {
  margin-right: 1rem;
  margin-bottom: 1rem;
}

.hero-image img {
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

/* Search Container */
.search-container {
  max-width: 100%;
}

.search-container .form-control {
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  padding: 0.75rem 1rem;
  border: 1px solid #E2E8F0;
}

.search-container .btn {
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* Featured Universities Section */
.university-card {
  transition: var(--transition);
  height: 100%;
}

.university-card:hover {
  transform: translateY(-5px);
}

.university-logo {
  height: 70px;
  width: auto;
  object-fit: contain;
  margin-bottom: 1rem;
}

.university-card .badge {
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: 50rem;
}

.university-card .ranking {
  display: inline-block;
  font-weight: 700;
  color: var(--accent-color);
  background-color: rgba(255, 215, 0, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 50rem;
  margin-bottom: 0.5rem;
}

/* Services Section */
.services-section {
  background-color: var(--light-color);
}

.service-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: rgba(26, 54, 93, 0.1);
  margin-bottom: 1.5rem;
}

.service-icon i {
  font-size: 2rem;
  color: var(--primary-color);
}

/* Countries Section */
.country-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  height: 200px;
  margin-bottom: 1.5rem;
}

.country-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.country-card:hover img {
  transform: scale(1.05);
}

.country-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: white;
}

.country-overlay h3 {
  color: white;
  margin-bottom: 0.5rem;
}

.country-overlay p {
  margin-bottom: 0;
  opacity: 0.9;
}

/* Testimonials Section */
.testimonial-card {
  padding: 1.5rem;
  text-align: center;
}

.testimonial-image {
  width: 100px;
  height: 100px;
  margin: 0 auto 1.5rem;
}

.testimonial-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Newsletter Section */
.newsletter-section {
  background-color: var(--light-color);
}

.newsletter-container {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 3rem;
}

/* Footer */
footer {
  background-color: var(--primary-color);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-logo {
  font-family: 'Georgia', Times, serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: white;
  margin-bottom: 1rem;
}

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

.footer-links h4 {
  color: white;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-links h4:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent-color);
}

.footer-links ul {
  list-style: none;
  padding-left: 0;
}

.footer-links ul li {
  margin-bottom: 0.75rem;
}

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer-links ul li a:hover {
  color: white;
  padding-left: 5px;
}

.social-links {
  margin-top: 1.5rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  margin-right: 0.75rem;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--accent-color);
  color: var(--primary-color);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  margin-top: 3rem;
}

.footer-bottom p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
}

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

/* University Pages */
.page-header {
  background-color: var(--primary-color);
  color: white;
  padding: 4rem 0;
  margin-bottom: 3rem;
}

.page-header h1 {
  color: white;
}

.page-header .breadcrumb {
  background-color: transparent;
  padding: 0;
  margin-bottom: 0;
}

.page-header .breadcrumb-item,
.page-header .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.7);
}

.page-header .breadcrumb-item.active {
  color: white;
}

.university-filters {
  margin-bottom: 2rem;
}

.university-list-card {
  margin-bottom: 1.5rem;
}

.university-list-card .card-body {
  display: flex;
  align-items: center;
}

.university-list-logo {
  width: 80px;
  height: 80px;
  margin-right: 1.5rem;
  object-fit: contain;
}

.university-list-details {
  flex: 1;
}

.university-list-details h3 {
  margin-bottom: 0.5rem;
}

.university-list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.university-list-meta span {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
  color: #718096;
}

.university-list-meta i {
  margin-right: 0.5rem;
}

/* Grading Systems Page */
.grading-table {
  margin-bottom: 2rem;
}

.grading-table th {
  background-color: var(--primary-color);
  color: white;
}

.calculator-card {
  margin-bottom: 2rem;
}

/* Responsive Styles */
@media (max-width: 991.98px) {
  .hero-section {
    padding: 6rem 0 3rem;
  }
  
  .hero-text {
    margin-bottom: 2rem;
    text-align: center;
  }
  
  .hero-text h1 {
    font-size: 2.25rem;
  }
  
  .service-card {
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 767.98px) {
  .hero-text h1 {
    font-size: 2rem;
  }
  
  .section-header {
    margin-bottom: 2rem;
  }
  
  .footer-links {
    margin-bottom: 2rem;
  }
}

@media (max-width: 575.98px) {
  .hero-text h1 {
    font-size: 1.75rem;
  }
  
  .hero-text p {
    font-size: 1rem;
  }
  
  .newsletter-container {
    padding: 2rem 1rem;
  }
}