:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-gray: #f3f4f6;
    --dark-gray: #4b5563;
    --top-bar-bg: #1e2432;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

/* Top Bar Styles */
.top-bar {
    background-color: var(--top-bar-bg);
    padding: 8px 0;
    color: white;
    font-size: 14px;
}

.top-bar .contact-info {
    display: flex;
    align-items: center;
}

.top-bar .contact-info a {
    color: white;
    text-decoration: none;
    margin-right: 20px;
    transition: opacity 0.3s;
    font-size: 13px;
}

.top-bar .contact-info a i {
    margin-right: 5px;
}

.top-bar .contact-info a:hover {
    opacity: 0.8;
}

.top-bar .promo-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.top-bar .promo-text .btn-primary {
    background-color: #4169e1;
    border: none;
    padding: 2px 15px;
    font-size: 13px;
    border-radius: 4px;
}

.top-bar .campaign-text {
    color: #ffd700;
    font-size: 13px;
}

.top-bar .campaign-text i {
    margin-right: 5px;
}

.top-bar .social-links {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 15px;
}

.top-bar .social-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
    font-size: 13px;
}

.top-bar .social-links a:hover {
    opacity: 0.8;
}

/* Header Styles */
.header {
    padding: 20px 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: relative;
    z-index: 100;
}

.navbar {
    padding: 0;
}

.navbar-brand img {
    height: 50px;
    width: auto;
}

.navbar-nav {
    gap: 10px;
    margin: 0 auto;
}

.navbar-nav .nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.8rem 1.2rem;
    transition: all 0.3s ease;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-nav .nav-icon {
    font-size: 16px;
    color: #6b77f8;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    background: rgba(107, 119, 248, 0.05);
    color: #6b77f8;
}

.navbar-nav .nav-link:hover .nav-icon {
    transform: scale(1.1);
}

/* Dropdown Menu Styles */
.dropdown-menu {
    padding: 0.8rem 0;
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-radius: 12px;
    min-width: 200px;
}

.dropdown-item {
    padding: 0.75rem 1.5rem;
    color: #2c3347;
    font-weight: 500;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: rgba(107,119,248,0.1);
    color: #6b77f8;
    padding-left: 2rem;
}

.dropdown-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

.auth-buttons .btn {
    padding: 10px 20px;
    font-weight: 500;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.auth-buttons .btn i {
    font-size: 14px;
}

.auth-buttons .btn-outline-primary {
    border: 2px solid #6b77f8;
    color: #6b77f8;
    background: transparent;
}

.auth-buttons .btn-outline-primary:hover {
    background: #6b77f8;
    color: #fff;
}

.auth-buttons .btn-primary {
    background: #6b77f8;
    border: none;
    color: #fff;
}

.auth-buttons .btn-primary:hover {
    background: #5562e9;
}

@media (max-width: 991px) {
    .navbar-nav {
        padding: 1rem 0;
    }
    
    .auth-buttons {
        margin-top: 1rem;
        justify-content: center;
    }
    
    .navbar-collapse {
        background: #fff;
        padding: 1rem;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        margin-top: 1rem;
    }
}

/* Hero Section Styles */
.hero-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f2ff 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content .badge {
    background: rgba(65, 105, 225, 0.1);
    color: #4169e1;
    font-size: 16px;
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
    display: inline-block;
    font-weight: 500;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #1e2432;
}

.hero-content h2 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #1e2432;
}

.text-primary {
    color: #4169e1 !important;
}

.text-coral {
    color: #ff6b6b !important;
}

.hero-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 30px;
}

.hero-actions .btn-primary {
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    background: #4169e1;
    border: none;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.hero-actions .btn-primary:hover {
    background: #3154b8;
    transform: translateY(-2px);
}

.success-stats {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatars {
    display: flex;
    align-items: center;
}

.user-avatars img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: 2px solid #fff;
    margin-left: -10px;
}

.user-avatars img:first-child {
    margin-left: 0;
}

.stats-text {
    display: flex;
    flex-direction: column;
}

.stats-text .number {
    font-size: 20px;
    font-weight: 700;
    color: #1e2432;
}

.stats-text .text {
    font-size: 14px;
    color: #666;
}

.hero-images {
    position: relative;
    height: 600px;
}

.main-image {
    position: relative;
    z-index: 1;
}

.main-image img {
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Hero Test Card */
.hero-test-card {
    position: absolute;
    top: 50px;
    right: -30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 300px;
    overflow: hidden;
    z-index: 2;
}

.hero-test-card .card-header {
    position: relative;
}

.hero-test-card .discount {
    position: absolute;
    top: 10px;
    left: 10px;
    background: #ffd700;
    color: #1e2432;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.hero-test-card .course-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.hero-test-card .card-body {
    padding: 20px;
}

.hero-test-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1e2432;
    line-height: 1.4;
}

.hero-test-card .card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero-test-card .price {
    font-size: 20px;
    font-weight: 700;
    color: #1e2432;
}

.hero-test-card .rating {
    display: flex;
    align-items: center;
    gap: 5px;
}

.hero-test-card .rating .score {
    font-weight: 600;
}

.hero-test-card .rating .stars {
    color: #ffd700;
}

.experience-badge {
    position: absolute;
    bottom: 50px;
    left: -30px;
    background: white;
    border-radius: 15px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 2;
}

.experience-badge .badge-icon {
    width: 40px;
    height: 40px;
    background: rgba(65, 105, 225, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4169e1;
    font-size: 20px;
}

.experience-badge .badge-text {
    display: flex;
    flex-direction: column;
}

.experience-badge .number {
    font-size: 18px;
    font-weight: 700;
    color: #1e2432;
}

.experience-badge .text {
    font-size: 14px;
    color: #666;
}

.hero-shapes .shape {
    position: absolute;
    border-radius: 50%;
}

.hero-shapes .shape-1 {
    width: 100px;
    height: 100px;
    background: rgba(65, 105, 225, 0.1);
    top: 10%;
    right: 10%;
}

.hero-shapes .shape-2 {
    width: 150px;
    height: 150px;
    border: 2px dashed rgba(65, 105, 225, 0.2);
    bottom: 10%;
    left: 5%;
}

.hero-shapes .shape-3 {
    width: 70px;
    height: 70px;
    background: rgba(255, 107, 107, 0.1);
    top: 30%;
    left: 50%;
}

.hero-shapes .dotted-line {
    position: absolute;
    width: 150px;
    height: 50px;
    border-top: 2px dashed rgba(65, 105, 225, 0.2);
    border-right: 2px dashed rgba(65, 105, 225, 0.2);
    top: 40%;
    right: 20%;
    transform: rotate(-45deg);
}

/* Pricing Cards Styles */
.pricing-section {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.pricing-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card .card-header {
    background: var(--primary-color);
    color: white;
    padding: 30px;
    text-align: center;
}

.price {
    font-size: 1rem;
    font-weight: 700;
}

.pricing-card .card-body {
    padding: 30px;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.pricing-card ul li {
    margin-bottom: 15px;
    color: var(--dark-gray);
}

/* Features Section Styles */
.features-section {
    padding: 80px 0;
}

.feature-card {
    text-align: center;
    padding: 40px 20px;
    border-radius: 15px;
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Blog Section Styles */
.blog-section {
    padding: 100px 0;
    background-color: #fff;
}

.blog-section .blog-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.blog-section .blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.blog-section .card-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

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

.blog-section .blog-card:hover .card-image img {
    transform: scale(1.1);
}

.blog-section .date {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #fff;
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    color: #1a1a1a;
}

.blog-section .card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-section .meta-info {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.blog-section .meta-info span {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #666;
    font-size: 14px;
}

.blog-section .meta-info i {
    color: #6b77f8;
    font-size: 14px;
}

.blog-section h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.blog-section p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 991px) {
    .blog-section .blog-card {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .blog-section {
        padding: 60px 0;
    }
    
    .blog-section .card-image {
        height: 200px;
    }
    
    .blog-section h3 {
        font-size: 18px;
    }
    
    .blog-section .meta-info {
        flex-wrap: wrap;
        gap: 10px;
    }
}

/* Contact Section Styles */
.contact-section {
    padding: 80px 0;
}

.contact-form .form-control {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    margin-bottom: 20px;
}

/* Footer Styles */
.main-footer {
    background: #0B0B2C;
    color: #fff;
    position: relative;
}

.top-footer {
    padding: 80px 0 50px;
}

.footer-content .footer-logo {
    text-decoration: none;
    margin-bottom: 20px;
    display: block;
}

.footer-content .footer-logo h2 {
    color: #fff;
    font-size: 32px;
    font-weight: 700;
    margin: 0;
}

.footer-content .footer-logo span {
    color: #6b77f8;
}

.footer-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 25px;
}

.footer-content .social-links {
    display: flex;
    gap: 15px;
}

.footer-content .social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s ease;
}

.footer-content .social-links a:hover {
    background: #6b77f8;
    transform: translateY(-3px);
}

.footer-links h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 25px;
    position: relative;
}

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

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 15px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.footer-links ul li a i {
    margin-right: 10px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

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

.footer-links ul li a:hover i {
    transform: translateX(5px);
    color: #6b77f8;
}

.bottom-footer {
    padding: 25px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.bottom-footer p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    font-size: 15px;
}

.bottom-footer p span {
    color: #6b77f8;
    font-weight: 600;
}

.payment-methods {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 15px;
}

.payment-methods img {
    height: 25px;
    object-fit: contain;
}

@media (max-width: 991px) {
    .footer-content, .footer-links {
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .top-footer {
        padding: 60px 0 30px;
    }
    
    .bottom-footer {
        text-align: center;
    }
    
    .payment-methods {
        justify-content: center;
        margin-top: 20px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

/* About Platform Section */
.about-platform {
    padding: 100px 0;
    background-color: #fff;
    overflow: hidden;
}

.platform-images {
    position: relative;
    height: 600px;
    width: 100%;
}

.trainer-img {
    position: absolute;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.trainer-1 {
    width: 300px;
    height: 400px;
    left: 0;
    top: 0;
    object-fit: cover;
    background-color: #e2a9ff;
    z-index: 2;
}

.trainer-2 {
    width: 250px;
    height: 300px;
    right: 30px;
    top: 0;
    object-fit: cover;
    background-color: #ffd5a4;
    z-index: 1;
}

.trainer-3 {
    width: 280px;
    height: 350px;
    left: 100px;
    bottom: 0;
    object-fit: cover;
    background-color: #90EE90;
    z-index: 3;
}

.platform-content {
    padding-left: 50px;
}

.platform-content .badge {
    background-color: #ffe4e4;
    color: #ff4a4a;
    font-size: 14px;
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 20px;
    display: inline-block;
    font-weight: 500;
}

.platform-content h2 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
    color: #1e2432;
}

.platform-content .main-desc {
    color: #666;
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background-color: #f8f9fa;
}

.feature-item .icon-box {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 20px;
}

.feature-item:first-child .icon-box {
    background-color: #ffe4e4;
    color: #ff4a4a;
}

.feature-item:last-child .icon-box {
    background-color: #e4f1ff;
    color: #2563eb;
}

.feature-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1e2432;
}

.feature-content p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

.platform-content .btn-primary {
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    background: #4169e1;
    border: none;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.platform-content .btn-primary:hover {
    background: #3154b8;
    transform: translateY(-2px);
}

.platform-content .btn-primary i {
    font-size: 14px;
}

/* Course Section Styles */
.courses-section {
    padding: 100px 0;
    background-color: #f8f9ff;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header .title-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    background: rgba(107, 119, 248, 0.1);
    padding: 8px 16px;
    border-radius: 50px;
}

.section-header .title-wrapper i {
    color: #6b77f8;
    font-size: 20px;
}

.section-header .subtitle {
    color: #6b77f8;
    font-size: 16px;
    font-weight: 500;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.3;
    margin: 0;
}

.section-header h2 .highlight {
    color: #6b77f8;
    position: relative;
}

.course-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    border: none;
    background: #fff;
    color: #666;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    cursor: pointer;
}

.filter-btn i {
    font-size: 16px;
}

.filter-btn.active,
.filter-btn:hover {
    background: #6b77f8;
    color: #fff;
    transform: translateY(-2px);
}

.courses-section .course-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 30px;
}

.courses-section .course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.courses-section .course-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.courses-section .course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.courses-section .course-card:hover .course-image img {
    transform: scale(1.1);
}

.courses-section .favorite-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1;
}

.courses-section .favorite-btn:hover {
    background: #6b77f8;
    color: #fff;
    transform: scale(1.1);
}

.courses-section .course-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.courses-section .price-rating {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.courses-section .price {
    font-size: 24px;
    font-weight: 700;
    color: #6b77f8;
}

.courses-section .rating {
    display: flex;
    align-items: center;
    gap: 5px;
}

.courses-section .rating i {
    color: #ffc107;
}

.courses-section .rating span {
    font-weight: 600;
    color: #1a1a1a;
}

.courses-section .rating .reviews {
    color: #666;
    font-size: 14px;
}

.courses-section .course-content h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 20px;
    color: #1a1a1a;
    min-height: 75px;
}

.courses-section .instructor {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.courses-section .instructor img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
}

.courses-section .instructor-info h4 {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
}

.courses-section .instructor-info p {
    font-size: 13px;
    color: #666;
    margin: 5px 0 0;
}

.courses-section .enroll-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 25px;
    background: #6b77f8;
    color: #fff;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-bottom: 20px;
    border: none;
}

.courses-section .enroll-btn:hover {
    background: #5562e9;
    color: #fff;
    transform: translateY(-2px);
}

.courses-section .enroll-btn i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.courses-section .enroll-btn:hover i {
    transform: translateX(5px);
}

.courses-section .course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.courses-section .meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #666;
    font-size: 14px;
}

.courses-section .meta-item i {
    color: #6b77f8;
    font-size: 16px;
}

@media (max-width: 991px) {
    .courses-section .course-card {
        margin-bottom: 30px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .course-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .courses-section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .courses-section .course-image {
        height: 200px;
    }
}

/* Best Selling Section */
.best-selling-section {
    padding: 100px 0;
    background-color: #fff;
}

.best-selling-section .pdf-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.best-selling-section .pdf-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.best-selling-section .card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.best-selling-section .pdf-card:hover .card-image img {
    transform: scale(1.1);
}

.best-selling-section .favorite-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1;
}

.best-selling-section .favorite-btn:hover {
    background: #6b77f8;
    color: #fff;
    transform: scale(1.1);
}

.best-selling-section .card-content {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.best-selling-section .price-rating {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.best-selling-section .price {
    font-size: 20px;
    font-weight: 700;
    color: #6b77f8;
}

.best-selling-section .rating {
    display: flex;
    align-items: center;
    gap: 5px;
}

.best-selling-section .rating i {
    color: #ffc107;
    font-size: 14px;
}

.best-selling-section .rating span {
    font-weight: 600;
    color: #1a1a1a;
    font-size: 14px;
}

.best-selling-section .rating small {
    color: #666;
    font-size: 12px;
}

.best-selling-section h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 15px;
    color: #1a1a1a;
    flex-grow: 1;
}

.best-selling-section .btn-enroll {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 20px;
    background: #6b77f8;
    color: #fff;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-bottom: 15px;
    font-size: 14px;
}

.best-selling-section .btn-enroll:hover {
    background: #5562e9;
    color: #fff;
    transform: translateY(-2px);
}

.best-selling-section .btn-enroll i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.best-selling-section .btn-enroll:hover i {
    transform: translateX(5px);
}

.best-selling-section .meta-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.best-selling-section .meta-info span {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #666;
    font-size: 13px;
}

.best-selling-section .meta-info i {
    color: #6b77f8;
    font-size: 14px;
}

@media (max-width: 991px) {
    .best-selling-section .pdf-card {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .best-selling-section {
        padding: 60px 0;
    }
    
    .best-selling-section .card-image {
        height: 180px;
    }
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #1a1f2d 0%, #2c3347 100%);
    padding: 100px 0 50px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern.png') repeat;
    opacity: 0.1;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.breadcrumb-item a {
    color: #6b77f8;
    text-decoration: none;
}

.breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.5);
}

/* Online Tests Section */
.online-tests-section {
    padding: 100px 0;
    background: #fff;
}

.filter-buttons {
    margin-bottom: 40px;
}

.btn-filter {
    padding: 10px 25px;
    margin: 0 5px;
    border-radius: 25px;
    background: transparent;
    color: #1a1a1a;
    border: 2px solid #eee;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-filter:hover,
.btn-filter.active {
    background: #6b77f8;
    color: #fff;
    border-color: #6b77f8;
    transform: translateY(-2px);
}

.test-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0,0,0,0.05);
}

.test-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(107,119,248,0.1);
}

.test-card .card-image {
    position: relative;
    height: 300px;
    overflow: hidden;
    background: #f8f9fa;
}

.test-card .card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}

.test-card .card-image img {
    width: 500px;
    height: 300px;
    object-fit: contain;
    transition: transform 0.5s ease;
    padding: 20px;
}

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

.test-card .difficulty {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 2;
}

.test-card .difficulty .badge {
    background: rgba(255,255,255,0.95);
    color: #6b77f8;
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 1px solid rgba(107,119,248,0.1);
}

.test-card .card-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background: #fff;
    position: relative;
}

.test-card .test-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.test-card .category {
    color: #6b77f8;
    font-weight: 600;
    font-size: 14px;
    background: rgba(107,119,248,0.1);
    padding: 6px 15px;
    border-radius: 20px;
}

.test-card .rating {
    display: flex;
    align-items: center;
    gap: 5px;
    background: rgba(255,193,7,0.1);
    padding: 6px 12px;
    border-radius: 20px;
}

.test-card .rating i {
    color: #ffc107;
    font-size: 14px;
}

.test-card .rating span {
    font-weight: 600;
    color: #1a1a1a;
}

.test-card .rating small {
    color: #666;
}

.test-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
    color: #2c3347;
    flex-grow: 1;
    min-height: 50px;
}

.test-card .features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
    display: grid;
    gap: 12px;
}

.test-card .features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
    font-size: 14px;
    padding: 8px 15px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.test-card .features li:hover {
    background: rgba(107,119,248,0.1);
    color: #6b77f8;
}

.test-card .features li i {
    color: #6b77f8;
    font-size: 16px;
}

.test-card .card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.test-card .price {
    display: flex;
    flex-direction: column;
}

.test-card .new-price {
    font-size: 24px;
    font-weight: 700;
    color: #6b77f8;
    display: flex;
    align-items: center;
}

.test-card .new-price::before {
    content: '₺';
    font-size: 16px;
    margin-right: 2px;
    font-weight: 600;
}

.test-card .btn-primary {
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 12px;
    background: #6b77f8;
    border: none;
    transition: all 0.3s ease;
}

.test-card .btn-primary:hover {
    background: #5561e5;
    transform: translateX(3px);
}

.test-card .btn-primary i {
    font-size: 14px;
    transition: transform 0.3s ease;
}

.test-card .btn-primary:hover i {
    transform: translateX(3px);
}

/* Responsive Adjustments */
@media (max-width: 991px) {
    .test-card .card-image {
        height: 250px;
    }
    
    .test-card .card-image img {
        height: 250px;
    }
    
    .test-card .card-content {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .test-card .features {
        grid-template-columns: 1fr;
    }
}

/* Features Section */
.test-features {
    border-top: 1px solid #eee;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.feature-item i {
    font-size: 40px;
    color: #6b77f8;
    margin-bottom: 20px;
}

.feature-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.feature-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 991px) {
    .page-header {
        padding: 80px 0 40px;
    }

    .page-header h1 {
        font-size: 36px;
    }

    .online-tests-section {
        padding: 60px 0;
    }

    .test-card .card-image {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .filter-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }

    .btn-filter {
        padding: 8px 20px;
        font-size: 14px;
    }

    .feature-item {
        margin-bottom: 30px;
    }
}

/* Register Section */
.register-section {
    padding: 100px 0;
    background: #fff;
}

.register-form {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.form-floating {
    position: relative;
}

.form-floating > .form-control,
.form-floating > .form-select {
    height: calc(3.5rem + 2px);
    padding: 1rem 0.75rem;
}

.form-floating > textarea.form-control {
    height: auto;
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem 0.75rem;
    pointer-events: none;
    border: 1px solid transparent;
    transform-origin: 0 0;
    transition: opacity .1s ease-in-out,transform .1s ease-in-out;
    color: #666;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
    opacity: .65;
    transform: scale(.85) translateY(-0.5rem) translateX(0.15rem);
    background: #fff;
    height: auto;
    padding: 0 5px;
    margin-left: 5px;
}

.form-control:focus {
    border-color: #6b77f8;
    box-shadow: 0 0 0 0.25rem rgba(107,119,248,0.25);
}

.btn-primary {
    background: #6b77f8;
    border: none;
    font-weight: 600;
    padding: 15px 30px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: #5561e5;
    transform: translateY(-2px);
}

.alert {
    border-radius: 12px;
    margin-bottom: 30px;
}

.invalid-feedback {
    font-size: 13px;
    margin-top: 5px;
}

@media (max-width: 768px) {
    .register-section {
        padding: 60px 0;
    }

    .register-form {
        padding: 30px 20px;
    }
}

/* Login Section */
.login-section {
    padding: 100px 0;
    background: #fff;
}

.login-form {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

@media (max-width: 768px) {
    .login-section {
        padding: 60px 0;
    }

    .login-form {
        padding: 30px 20px;
    }
}

/* Profil Dropdown Styles */
.profile-dropdown .dropdown-toggle {
    padding: 8px 20px;
    background: rgba(107, 119, 248, 0.05);
    border: 1px solid rgba(107, 119, 248, 0.1);
    border-radius: 30px;
    color: #2c3347;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.profile-dropdown .dropdown-toggle:hover,
.profile-dropdown .dropdown-toggle:focus {
    background: rgba(107, 119, 248, 0.08);
    border-color: rgba(107, 119, 248, 0.2);
    color: #2c3347;
}

.profile-dropdown .dropdown-toggle::after {
    display: none;
}

.profile-dropdown .dropdown-toggle i {
    font-size: 16px;
    color: #666;
    transition: all 0.3s ease;
}

.profile-dropdown .dropdown-menu {
    min-width: 220px;
    padding: 0.5rem;
    border: none;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-radius: 15px;
    margin-top: 10px;
}

.profile-dropdown .dropdown-item {
    padding: 12px 15px;
    color: #2c3347;
    font-weight: 500;
    font-size: 14px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.2s ease;
}

.profile-dropdown .dropdown-item i {
    font-size: 16px;
    color: #666;
    transition: all 0.2s ease;
}

.profile-dropdown .dropdown-item:hover {
    background: rgba(107, 119, 248, 0.05);
    color: #6b77f8;
    transform: translateX(5px);
}

.profile-dropdown .dropdown-item:hover i {
    color: #6b77f8;
}

.profile-dropdown .dropdown-divider {
    margin: 0.5rem 0;
    border-color: rgba(0,0,0,0.05);
}

.profile-dropdown .dropdown-item.text-danger {
    color: #dc3545;
}

.profile-dropdown .dropdown-item.text-danger:hover {
    background: rgba(220, 53, 69, 0.05);
    color: #dc3545;
}

.profile-dropdown .dropdown-item.text-danger:hover i {
    color: #dc3545;
}