/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    color: #2c3e50;
}

h2 {
    font-size: 2rem;
    color: #34495e;
}

h3 {
    font-size: 1.5rem;
    color: #34495e;
}

p {
    margin-bottom: 1rem;
    color: #666;
}

a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2980b9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: #3498db;
    border: 2px solid #3498db;
}

.btn-outline:hover {
    background-color: #3498db;
    color: white;
}

.btn-full {
    width: 100%;
}

/* Header and Navigation */
.header {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 3px solid #e8b923;
}

.header::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 0 100 20"><defs><pattern id="books" x="0" y="0" width="20" height="20" patternUnits="userSpaceOnUse"><rect width="2" height="15" x="2" y="2" fill="rgba(232,185,35,0.1)"/><rect width="2" height="12" x="6" y="5" fill="rgba(232,185,35,0.08)"/><rect width="2" height="18" x="10" y="1" fill="rgba(232,185,35,0.1)"/></pattern></defs><rect width="100" height="20" fill="url(%23books)"/></svg>') repeat;
    opacity: 0.3;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 0;
    position: relative;
    z-index: 2;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 700;
    color: #e8b923;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    transition: all 0.3s ease;
    text-decoration: none;
}

.logo:hover {
    transform: scale(1.05);
    text-shadow: 2px 2px 8px rgba(232,185,35,0.5);
    color: #e8b923;
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid #e8b923;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(232,185,35,0.3);
}

.logo:hover .logo-img {
    transform: rotate(5deg);
    box-shadow: 0 0 25px rgba(232,185,35,0.6);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #ffffff;
    font-weight: 500;
    padding: 0.8rem 1.2rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(232,185,35,0.3);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(232,185,35,0.4), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: #e8b923;
    background: rgba(232,185,35,0.2);
    border-color: #e8b923;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(232,185,35,0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: 0.3s;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    z-index: 1001;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
}

.cookie-banner a {
    color: #3498db;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-content {
    flex: 1;
    padding-right: 2rem;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #666;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Page Header */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.breadcrumb {
    margin-bottom: 1rem;
    opacity: 0.8;
}

.breadcrumb a {
    color: white;
}

.page-header h1 {
    color: white;
    margin-bottom: 1rem;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

/* Sections */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #3498db;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Courses Section */
.courses-preview,
.courses-main {
    padding: 80px 0;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.course-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    position: relative;
}

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

.course-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.course-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #e74c3c;
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.course-content {
    padding: 1.5rem;
}

.course-category {
    color: #3498db;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.course-details {
    margin: 1rem 0;
}

.detail-item {
    margin-bottom: 0.5rem;
    color: #666;
    font-size: 0.9rem;
}

.course-program {
    margin: 1.5rem 0;
}

.course-program h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.course-program ul {
    list-style-position: inside;
    color: #666;
}

.course-program li {
    margin-bottom: 0.3rem;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.course-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #27ae60;
}

.course-meta {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
    color: #666;
}

.courses-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Courses Filter */
.courses-filter {
    padding: 2rem 0;
    background-color: #f8f9fa;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: white;
    color: #666;
    border: 2px solid #ddd;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: #3498db;
    color: white;
    border-color: #3498db;
}

/* About Section */
.about-main {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Values Section */
.values {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Team Section */
.team {
    padding: 80px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.team-member {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-member img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.member-info {
    padding: 1.5rem;
}

.position {
    color: #3498db;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Statistics Section */
.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #ddd;
    border-radius: 3px;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
}

input[type="checkbox"] {
    display: none;
}

input[type="checkbox"]:checked + .checkmark {
    background-color: #3498db;
    border-color: #3498db;
}

input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.contact-info {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    font-size: 1.5rem;
    margin-top: 0.2rem;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.social-links {
    margin-top: 2rem;
}

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

.social-btn {
    padding: 0.5rem 1rem;
    border-radius: 5px;
    color: white;
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.social-btn:hover {
    transform: translateY(-2px);
}

.social-btn.facebook {
    background-color: #4267B2;
}

.social-btn.instagram {
    background: linear-gradient(45deg, #f09433 0%,#e6683c 25%,#dc2743 50%,#cc2366 75%,#bc1888 100%);
}

.social-btn.telegram {
    background-color: #0088cc;
}

/* Form Messages */
.form-message {
    padding: 1.5rem;
    border-radius: 5px;
    margin-top: 1rem;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Map Section */
.map-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.map-container {
    margin-top: 2rem;
}

.map-placeholder {
    background-color: #e9ecef;
    border: 2px dashed #adb5bd;
    border-radius: 10px;
    padding: 3rem;
    text-align: center;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-info h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.map-info ul {
    text-align: left;
    list-style-position: inside;
    margin-top: 1rem;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
}

.faq-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Course Benefits */
.course-benefits {
    padding: 80px 0;
    background-color: #f8f9fa;
}

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

.benefit-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Legal Content */
.legal-content {
    padding: 80px 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
}

.toc {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.toc h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.toc ul {
    list-style: none;
}

.toc li {
    margin-bottom: 0.5rem;
}

.toc a {
    color: #666;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.toc a:hover {
    color: #3498db;
}

.legal-text {
    max-width: none;
}

.legal-text section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

.legal-text section:last-child {
    border-bottom: none;
}

.legal-text h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

.legal-text h3 {
    color: #34495e;
    margin: 1.5rem 0 1rem;
}

.legal-text ul, .legal-text ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-text li {
    margin-bottom: 0.5rem;
    color: #666;
}

.contact-details {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 5px;
    margin: 1rem 0;
}

/* Cookie Types */
.cookie-type {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.cookie-type h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

/* Cookie Table */
.cookie-table {
    margin: 2rem 0;
}

.cookie-table table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

.cookie-table th,
.cookie-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.cookie-table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

/* Browser Instructions */
.browser-instructions {
    margin: 2rem 0;
}

.browser-instructions h4 {
    color: #2c3e50;
    margin: 1.5rem 0 0.5rem;
}

.browser-instructions ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

/* Cookie Settings */
.cookie-settings {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 5px;
    margin: 2rem 0;
}

.cookie-toggle {
    margin-bottom: 1rem;
}

.cookie-toggle label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0f3460 0%, #16213e 50%, #1a1a2e 100%);
    color: white;
    padding: 60px 0 20px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #e8b923 0%, #f1c40f 50%, #e8b923 100%);
    box-shadow: 0 0 20px rgba(232,185,35,0.5);
}

.footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footerBooks" x="0" y="0" width="40" height="40" patternUnits="userSpaceOnUse"><rect width="3" height="25" x="5" y="10" fill="rgba(232,185,35,0.08)" rx="1"/><rect width="3" height="20" x="12" y="15" fill="rgba(232,185,35,0.06)" rx="1"/><rect width="3" height="30" x="19" y="5" fill="rgba(232,185,35,0.08)" rx="1"/><rect width="3" height="22" x="26" y="13" fill="rgba(232,185,35,0.06)" rx="1"/></pattern></defs><rect width="100" height="100" fill="url(%23footerBooks)"/></svg>') repeat;
    opacity: 0.3;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.footer-section {
    padding: 1.5rem;
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(232,185,35,0.2);
    transition: all 0.3s ease;
}

.footer-section:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.08);
    border-color: rgba(232,185,35,0.4);
    box-shadow: 0 10px 30px rgba(232,185,35,0.1);
}

.footer-section h3,
.footer-section h4 {
    color: #e8b923;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    position: relative;
}

.footer-section h3::after,
.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, #e8b923, transparent);
}

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

.footer-section li {
    margin-bottom: 0.8rem;
    transition: all 0.3s ease;
}

.footer-section li:hover {
    transform: translateX(5px);
}

.footer-section a {
    color: #bdc3c7;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}

.footer-section a::before {
    content: '📚';
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: #e8b923;
    text-shadow: 1px 1px 3px rgba(232,185,35,0.3);
}

.footer-section a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-bottom {
    border-top: 1px solid rgba(232,185,35,0.3);
    padding-top: 2rem;
    text-align: center;
    color: #bdc3c7;
    position: relative;
    z-index: 2;
    background: rgba(0,0,0,0.2);
    margin: 0 -2rem -20px;
    padding-left: 2rem;
    padding-right: 2rem;
    padding-bottom: 20px;
}

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

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

/* Loading States */
.loading {
    position: relative;
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden { display: none; }
.visible { display: block; }

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .cookie-banner,
    .hero-buttons,
    .btn {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}