@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --secondary: #F59E0B;
    --secondary-dark: #D97706;
    --secondary-light: #FCD34D;
    --accent: #EC4899;
    --accent-dark: #DB2777;
    --success: #10B981;
    --dark: #1E293B;
    --dark-light: #334155;
    --text: #475569;
    --text-light: #64748B;
    --bg-light: #F8FAFC;
    --bg-lighter: #F1F5F9;
    --border: #E2E8F0;
    --white: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.08);
    --shadow-md: 0 4px 16px rgba(99, 102, 241, 0.12);
    --shadow-lg: 0 8px 32px rgba(99, 102, 241, 0.16);
    --shadow-xl: 0 16px 48px rgba(99, 102, 241, 0.2);
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    --gradient-success: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    --gradient-mesh: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
}

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--dark);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

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

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

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

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: transparent;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.03em;
}

.logo i {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

nav a {
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

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

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

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

.mobile-menu-toggle {
    font-size: 1.75rem;
    color: var(--dark);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: var(--bg-light);
    color: var(--primary);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: -4px 0 24px rgba(0,0,0,0.1);
    padding: 2rem;
    z-index: 2000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu:not(.hidden) {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.mobile-menu-close {
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    background: var(--bg-light);
    color: var(--primary);
}

.mobile-menu nav ul {
    flex-direction: column;
    gap: 0;
    align-items: stretch;
}

.mobile-menu nav a {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
}

.mobile-menu nav a:hover {
    padding-left: 1rem;
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
    font-family: 'Poppins', sans-serif;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: width 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--secondary);
    border: 2px solid var(--secondary);
    box-shadow: none;
}

.btn-outline-secondary:hover {
    background: var(--secondary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
}

.btn-white {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.05rem;
    border-radius: 14px;
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    border-radius: 10px;
}

.section {
    padding: 5rem 0;
    position: relative;
}

.section-sm {
    padding: 3rem 0;
}

.section-lg {
    padding: 7rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-subtitle {
    color: var(--primary);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50px;
}

.section-heading {
    font-size: 2.75rem;
    margin-bottom: 1.25rem;
    color: var(--dark);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.card {
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.card-description {
    color: var(--text);
    line-height: 1.8;
    flex-grow: 1;
}

.card-footer {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.course-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.course-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: var(--gradient-mesh);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary);
}

.course-card-content {
    padding: 1.75rem;
}

.course-card-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.course-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.course-card-title {
    font-size: 1.375rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
    line-height: 1.4;
}

.course-card-description {
    color: var(--text);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.course-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.course-card-price {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.badge-secondary {
    background: rgba(245, 158, 11, 0.1);
    color: var(--secondary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-accent {
    background: rgba(236, 72, 153, 0.1);
    color: var(--accent);
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.625rem;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    background: var(--white);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-control::placeholder {
    color: var(--text-light);
}

textarea.form-control {
    min-height: 140px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%23475569' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 24px;
    padding-right: 3rem;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-top: 0.125rem;
    cursor: pointer;
    accent-color: var(--primary);
}

.form-check label {
    flex: 1;
    font-size: 0.95rem;
    color: var(--text);
    cursor: pointer;
    line-height: 1.6;
}

.form-error {
    color: #EF4444;
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: none;
}

.form-error.active {
    display: block;
}

.accordion {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.accordion-item {
    border-bottom: 1px solid var(--border);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--white);
}

.accordion-header:hover {
    background: var(--bg-light);
}

.accordion-header.active {
    background: rgba(99, 102, 241, 0.05);
}

.accordion-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    margin: 0;
}

.accordion-icon {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.accordion-header.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 0 1.75rem 1.75rem;
    color: var(--text);
    line-height: 1.8;
    display: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
}

.stat-label {
    font-size: 1.125rem;
    color: var(--text);
    font-weight: 500;
}

.testimonial-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: 1.5rem;
    left: 1.75rem;
    font-size: 5rem;
    color: var(--primary);
    opacity: 0.15;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
    font-size: 1.125rem;
    color: var(--secondary);
}

.testimonial-text {
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 1.75rem;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
}

.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.testimonial-info h5 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--dark);
}

.testimonial-info p {
    font-size: 0.875rem;
    color: var(--text-light);
}

.instructor-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    text-align: center;
}

.instructor-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.instructor-avatar {
    width: 100%;
    height: 280px;
    background: var(--gradient-mesh);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--primary);
    position: relative;
    overflow: hidden;
}

.instructor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.instructor-social {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.instructor-card:hover .instructor-social {
    transform: translateY(0);
}

.instructor-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    transition: all 0.3s ease;
}

.instructor-social a:hover {
    transform: scale(1.15);
}

.instructor-content {
    padding: 1.75rem;
}

.instructor-name {
    font-size: 1.375rem;
    margin-bottom: 0.375rem;
    color: var(--dark);
}

.instructor-title {
    color: var(--primary);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.instructor-bio {
    color: var(--text);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.blog-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.blog-image {
    width: 100%;
    height: 240px;
    background: var(--gradient-mesh);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary);
    position: relative;
    overflow: hidden;
}

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

.blog-content {
    padding: 1.75rem;
}

.blog-meta {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.blog-title {
    font-size: 1.375rem;
    margin-bottom: 0.875rem;
    color: var(--dark);
    line-height: 1.4;
}

.blog-title a {
    color: var(--dark);
    transition: color 0.3s ease;
}

.blog-title a:hover {
    color: var(--primary);
}

.blog-excerpt {
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.blog-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    transition: gap 0.3s ease;
}

.blog-link:hover {
    gap: 0.75rem;
}

.cta-section {
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 32px;
    padding: 4rem 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 1.25rem;
    font-size: 2.5rem;
}

.cta-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    padding-top: 4rem;
    margin-top: 5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-section p {
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

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

.footer-section ul li {
    margin-bottom: 0.875rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section ul li a:hover {
    color: var(--white);
    padding-left: 0.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-4px);
}

.footer-bottom {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9375rem;
}

.footer-bottom p {
    margin-bottom: 0.75rem;
}

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

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

.cookie-banner {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    max-width: 420px;
    background: var(--white);
    border-radius: 20px;
    padding: 1.75rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    z-index: 9999;
    animation: slideInUp 0.4s ease;
}

.cookie-banner.hidden {
    display: none;
}

.cookie-banner-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cookie-banner-title i {
    color: var(--secondary);
    font-size: 1.5rem;
}

.cookie-banner-text {
    color: var(--text);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    font-size: 0.9375rem;
}

.cookie-banner-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--gradient-primary);
    z-index: 9999;
    transition: width 0.2s ease;
    box-shadow: 0 0 8px rgba(99, 102, 241, 0.6);
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 52px;
    height: 52px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.03;
    background-image: radial-gradient(circle, var(--primary) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}

.floating-element {
    animation: float 3s ease-in-out infinite;
}

.wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--bg-light);
    color: var(--text);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

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

.alert {
    padding: 1.25rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border-left: 4px solid;
}

.alert i {
    font-size: 1.5rem;
    margin-top: 0.125rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: #065F46;
}

.alert-success i {
    color: var(--success);
}

.alert-info {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
    color: #312E81;
}

.alert-info i {
    color: var(--primary);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--secondary);
    color: #78350F;
}

.alert-warning i {
    color: var(--secondary);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: #EF4444;
    color: #7F1D1D;
}

.alert-error i {
    color: #EF4444;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 0;
    font-size: 0.9375rem;
    color: var(--text);
}

.breadcrumb a {
    color: var(--text-light);
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb i {
    font-size: 0.875rem;
    color: var(--text-light);
}

.breadcrumb-current {
    color: var(--dark);
    font-weight: 600;
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 6px;
    border: 2px solid var(--bg-light);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

@media (max-width: 1024px) {
    h1 { font-size: 2.75rem; }
    h2 { font-size: 2.25rem; }
    .section-heading { font-size: 2.25rem; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.5rem; }
    
    .section { padding: 3rem 0; }
    .section-lg { padding: 4rem 0; }
    .section-heading { font-size: 1.875rem; }
    
    nav { display: none; }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cookie-banner {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
    
    .back-to-top {
        bottom: 5rem;
        right: 1rem;
    }
    
    .cta-section {
        padding: 3rem 2rem;
        border-radius: 24px;
    }
    
    .cta-section h2 {
        font-size: 1.875rem;
    }
    
    .btn-lg {
        padding: 1rem 1.75rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.625rem; }
    
    .section-heading { font-size: 1.625rem; }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .card,
    .course-card,
    .blog-card,
    .instructor-card {
        border-radius: 16px;
    }
    
    .card-icon {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9375rem;
    }
}