:root {
  --primary-color: #1e3a5f;
  --primary-dark: #152a45;
  --secondary-color: #2c5f8d;
  --accent-color: #4a90d9;
  --success-color: #2d7a5f;
  --text-dark: #2c3e50;
  --text-muted: #6c757d;
  --bg-light: #f8f9fa;
  --white: #ffffff;
}

* {
  font-family: "Vazirmatn", sans-serif;
}

body {
  background-color: var(--white);
  color: var(--text-dark);
  line-height: 1.6;
}

html {
  scroll-behavior: smooth;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  color: var(--text-light);
}

.section-title {
  color: var(--text-dark);
}

.navbar {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  z-index:9999;
}
    .navbar button.btn.btn-outline-light.btn-sm {
        height: 38px;
    }
    .navbar #logoutForm{
        margin:0px!important;
    }

    .navbar-brand {
        font-size: 1.5rem;
        font-weight: 700;
    }

.brand-text {
    color: var(--white) !important;
    white-space: normal;
    font-size: 0.8em;
}

.nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: all 0.3s ease;
  text-align:center;
}

    .nav-link:hover,
    .nav-link.active {
        color: var(--white) !important;
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 5px;
        margin: 0 5px;
    }

.hero-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-color) 100%);
  background-size: cover;
  background-position: center;
  position: relative;
  min-height: 60vh;
}

.hero-overlay {
  background: rgba(30, 58, 95, 0.85);
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.min-vh-50 {
  min-height: 50vh;
}

.hero-title {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  opacity: 0.95;
}

.btn-primary {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  font-weight: 600;
  padding: 0.75rem 2rem;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(74, 144, 217, 0.3);
}

.btn-outline-primary {
  color: var(--accent-color);
  border-color: var(--accent-color);
  font-weight: 600;
}

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

.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: var(--white);
}

.card {
  border: none;
  border-radius: 10px;
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15) !important;
}

.card-img-top {
  height: 200px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.course-card {
  border: 1px solid #e9ecef;
}

.course-category .badge {
  padding: 0.5rem 1rem;
  font-weight: 500;
  font-size: 0.75rem;
}

.course-price {
  font-size: 1.25rem;
  color: var(--success-color);
}

.news-card .card-img-top {
  height: 200px;
}

.instructor-card {
  border: 1px solid #e9ecef;
  transition: all 0.3s ease;
}

.instructor-card:hover {
  border-color: var(--accent-color);
}

.instructor-stats h6 {
  color: var(--accent-color);
  margin-bottom: 0.25rem;
}

.publication-card .card-img-top {
  height: 350px;
  object-fit: cover;
}

.page-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: 4rem 0;
}

.stats-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  color: var(--white);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
}

.footer {
  background-color: var(--text-dark);
  color: var(--white);
}

.footer h5,
.footer h6 {
  color: var(--white);
}

.footer a {
  transition: color 0.3s ease;
}

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

.badge {
  font-weight: 500;
  padding: 0.5rem 0.75rem;
}

.bg-primary {
  background-color: var(--accent-color) !important;
}

.bg-success {
  background-color: var(--success-color) !important;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem rgba(74, 144, 217, 0.25);
}

.accordion-button:not(.collapsed) {
  background-color: var(--bg-light);
  color: var(--text-dark);
}

.accordion-button:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 0.2rem rgba(74, 144, 217, 0.25);
}

.article-content p {
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.article-content h3 {
  color: var(--text-dark);
  margin-top: 2rem;
}

.pagination .page-link {
  color: var(--accent-color);
}

.pagination .page-item.active .page-link {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color:white;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-section {
    min-height: 50vh;
  }

  .hero-overlay {
    min-height: 50vh;
  }

  .stat-number {
    font-size: 2rem;
  }

  .display-4 {
    font-size: 2.5rem;
  }
}

a,
button,
.card,
.btn {
  transition: all 0.3s ease;
}

.text-success {
  color: var(--success-color) !important;
}

.text-primary {
  color: var(--accent-color) !important;
}

.shadow-sm {
  box-shadow: 0 0.125rem 0.5rem rgba(0, 0, 0, 0.075) !important;
}

.shadow {
  box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.bg-light {
  background-color: var(--bg-light) !important;
}

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

.card {
  animation: fadeIn 0.5s ease-in-out;
}
.navbar-expand-lg .navbar-nav{
    align-items:center;
}
a, button, .card, .btn{
    align-content:center;
}
.nav-tabs .nav-item.show .nav-link,
.nav-tabs .nav-link.active {
    color: #0d6efd!important;    
    background-color: #ffffff!important;   
    border-color: #dee2e6 #dee2e6 #ffffff!important;
    border-radius: 0.5rem 0.5rem 0 0;
    font-weight: 600;
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.08);
}
.nav-tabs .nav-link {
    color: #6c757d!important;
    background-color: transparent!important;
    border: 1px solid transparent!important;
    border-radius: 0.5rem 0.5rem 0 0;
    padding: 0.6rem 1.2rem;
    font-weight: 500;
    transition: all 0.25s ease;
}