/* ============================================
   ROOT VARIABLES
   ============================================ */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --dark-color: #212529;
    --light-color: #f8f9fa;
    --white: #ffffff;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* ============================================
   NAVBAR STYLES
   ============================================ */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-link {
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link.active {
    color: var(--primary-color) !important;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    border-radius: 0.5rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,149.3C960,160,1056,160,1152,138.7C1248,117,1344,75,1392,53.3L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
}

.min-vh-90 {
    min-height: 90vh;
}

/* ============================================
   SEARCH BAR SECTION
   ============================================ */
.search-bar-section {
    margin-top: -30px;
    position: relative;
    z-index: 10;
}

.search-bar-section .input-group {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* ============================================
   COURSE CARD STYLES
   ============================================ */
.course-card {
    transition: all 0.3s ease;
    border: none;
    border-radius: 0.75rem;
    overflow: hidden;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.2) !important;
}

.course-thumbnail {
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.course-meta {
    font-size: 0.875rem;
    color: #6c757d;
}

.course-rating {
    color: #ffc107;
}

.badge-delivery {
    background-color: #0dcaf0;
    color: white;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

.badge-level {
    font-size: 0.75rem;
}

.course-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ============================================
   CATEGORY CARD STYLES
   ============================================ */
.category-card {
    transition: all 0.3s ease;
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.15) !important;
}

.category-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    border-radius: 50%;
    margin: 0 auto 1rem;
}

/* ============================================
   FEATURE & TESTIMONIAL CARDS
   ============================================ */
.feature-card, .testimonial-card {
    border: none;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
    background: white;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.15) !important;
}

.testimonial-card {
    background: var(--light-color);
}

.icon-box {
    transition: transform 0.3s ease;
}

.feature-card:hover .icon-box {
    transform: scale(1.1);
}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
}

.breadcrumb-item a {
    text-decoration: none;
}

/* ============================================
   FLOATING ACTION BUTTONS
   ============================================ */
.floating-actions {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.floating-btn {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.floating-btn:hover {
    transform: scale(1.1);
    color: white;
}

.floating-enquiry {
    background: var(--primary-color);
}

.floating-whatsapp {
    background: #25D366;
}

.floating-top {
    background: var(--dark-color);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); }
    50% { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5); }
}

/* ============================================
   FORM STYLES
   ============================================ */
.form-control, .form-select {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

.btn {
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination .page-link {
    border-radius: 0.5rem;
    margin: 0 0.25rem;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

/* ============================================
   FOOTER
   ============================================ */
footer {
    background-color: var(--dark-color);
}

footer a {
    transition: color 0.3s ease;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
}

/* ============================================
   LOADER/SPINNER
   ============================================ */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */
@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: 3rem 0;
    }

    .display-3 {
        font-size: 2rem;
    }

    .display-4 {
        font-size: 1.75rem;
    }

    .floating-actions {
        right: 15px;
        bottom: 15px;
    }

    .floating-btn {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.bg-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
     background-clip: text;
    -webkit-text-fill-color: transparent;
      color: transparent;
}

.shadow-hover {
    transition: box-shadow 0.3s ease;
}

.shadow-hover:hover {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

.cursor-pointer {
    cursor: pointer;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    min-width: 300px;
}

/* Professional Popup Modal Styles */
#quickEnquiryModal .modal-content {
  border: none;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

#quickEnquiryModal .form-control,
#quickEnquiryModal .form-select {
  border: 2px solid #e0e0e0;
  padding: 12px 16px;
  font-size: 15px;
  transition: all 0.3s ease;
}

#quickEnquiryModal .form-control:focus,
#quickEnquiryModal .form-select:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

#quickEnquiryModal .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

#quickEnquiryModal .btn-close:focus {
  box-shadow: none;
}

/* Modal backdrop animation */
.modal.fade .modal-dialog {
  transition: transform 0.3s ease-out;
  transform: scale(0.8);
}

.modal.show .modal-dialog {
  transform: scale(1);
}