/* Tashan Game Casino Website - Main CSS */

/* CSS Variables */
:root {
    --primary-color: #046c4e;
    --secondary-color: #035a42;
    --accent-color: #f59e0b;
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* Header and Navigation */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-md) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-item {
    list-style: none;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
    display: inline-block;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(4, 108, 78, 0.4);
    transform: translateY(-2px);
    border: 2px solid var(--accent-color);
    font-weight: 600;
}

/* Button Styles */
.nav-link.login-btn, 
.nav-link.register-btn {
    background: var(--accent-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    transition: var(--transition);
    border: 2px solid transparent;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link.login-btn:hover, 
.nav-link.register-btn:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    border-color: var(--accent-color);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    outline: none;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

/* Main Content */
.main-content {
    min-height: 100vh;
}

/* Page Header */
.page-header {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.last-updated {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: var(--spacing-sm);
}

/* Content Section */
.content-section {
    padding: var(--spacing-2xl) 0;
}

/* Policy Content */
.policy-content,
.terms-content,
.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.policy-content h2,
.terms-content h2,
.disclaimer-content h2 {
    color: var(--primary-color);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    font-size: 1.5rem;
    border-bottom: 2px solid var(--gray-200);
    padding-bottom: var(--spacing-sm);
}

.policy-content p,
.terms-content p,
.disclaimer-content p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

.policy-content ul,
.terms-content ul,
.disclaimer-content ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
}

.policy-content li,
.terms-content li,
.disclaimer-content li {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.policy-content strong,
.terms-content strong,
.disclaimer-content strong {
    color: var(--primary-color);
}

.policy-footer,
.terms-footer,
.disclaimer-footer {
    background: var(--gray-100);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
    border-left: 4px solid var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    text-align: left;
    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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: flex-start;
    min-height: 500px;
}

.hero-text {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    text-align: left;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.hero-img:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hero-section h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    line-height: 1.6;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-start;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

/* CTA Buttons */
.cta-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 0.9rem;
}

.cta-button.primary {
    background: var(--accent-color);
    color: var(--white);
}

.cta-button.primary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-color);
}

.cta-button.secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.cta-button.secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.cta-button.large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

/* Registration Steps Section */
.registration-steps {
    padding: var(--spacing-2xl) 0;
    background: var(--gray-100);
}

.registration-steps h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.step-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-lg);
}

.step-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.step-card p {
    color: var(--gray-700);
    line-height: 1.6;
}

/* Features Section */
.features-section {
    padding: var(--spacing-lg) 0;
    background: var(--white);
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--gray-700);
    line-height: 1.6;
}

/* App Screenshots Section */
.app-screenshots {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.screenshots-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.nav-btn {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.nav-btn:disabled {
    background: var(--gray-300);
    cursor: not-allowed;
    transform: none;
}

.screenshots-container {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.screenshots-grid {
    display: flex;
    gap: var(--spacing-md);
    transition: transform 0.3s ease;
    padding: var(--spacing-sm) 0;
}

.screenshot-img {
    width: 200px;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    flex-shrink: 0;
}

.screenshot-img:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

@media (max-width: 1200px) {
    .screenshots-container {
        max-width: 800px;
    }
}

@media (max-width: 768px) {
    .screenshots-nav {
        gap: var(--spacing-sm);
    }
    
    .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .screenshot-img {
        width: 150px;
    }
}

@media (max-width: 480px) {
    .screenshots-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-btn {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .screenshot-img {
        width: 120px;
    }
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-2xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
}

.contact-info p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-details h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.contact-details p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-details a:hover {
    text-decoration: underline;
}

.support-hours {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--radius-lg);
}

.support-hours h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

/* Contact Form */
.contact-form-section {
    background: var(--gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.contact-form-section h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.8rem;
}

.contact-form-section p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(4, 108, 78, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.submit-btn {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.submit-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-2xl) 0;
}

.faq-categories {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.faq-category {
    background: var(--gray-100);
    border: 2px solid var(--gray-200);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: var(--gray-700);
}

.faq-category:hover,
.faq-category.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.faq-category-content {
    display: none;
}

.faq-category-content.active {
    display: block;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    cursor: pointer;
    background: var(--gray-50);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--gray-100);
}

.faq-question h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    max-height: 500px;
}

.faq-answer p {
    color: var(--gray-700);
    line-height: 1.6;
    margin: 0;
}

/* FAQ Preview & Contact CTA */
.faq-preview,
.contact-cta {
    background: var(--gray-100);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.faq-content h2,
.cta-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
}

.faq-content p,
.cta-content p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 404 Error Page */
.error-section {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.error-content {
    max-width: 600px;
    margin: 0 auto;
}

.error-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-lg);
}

.error-section h1 {
    color: var(--primary-color);
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
}

.error-message {
    font-size: 1.3rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.error-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.quick-links {
    margin-bottom: var(--spacing-xl);
}

.quick-links h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.quick-link {
    display: block;
    padding: var(--spacing-md);
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid var(--primary-color);
    transition: var(--transition);
    font-weight: 500;
}

.quick-link:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.search-suggestion {
    background: var(--gray-100);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.search-suggestion h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.search-suggestion a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.search-suggestion a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--gray-300);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        width: 100%;
        height: calc(100vh - 70px);
        text-align: center;
        transition: 0.3s ease-in-out;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        width: 100%;
    }
    
    .login-btn, .register-btn {
        margin: var(--spacing-xs) auto;
        display: inline-block;
        min-width: 120px;
    }
    
    body.menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .logo-text {
        font-size: 1.3rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: left;
        min-height: auto;
    }

    .hero-text {
        order: 1;
        align-items: flex-start;
        text-align: left;
    }

    .hero-image {
        order: 2;
    }

    .hero-section h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: row;
        align-items: flex-start;
        justify-content: flex-start;
        gap: var(--spacing-sm);
    }

    .cta-button {
        width: 100%;
        max-width: 300px;
    }

    .steps-grid,
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .faq-categories {
        flex-direction: column;
        align-items: center;
    }

    .faq-category {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .error-actions {
        flex-direction: column;
        align-items: center;
    }

    .links-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .hero-section {
        padding: var(--spacing-xl) 0;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .registration-steps h2,
    .features-section h2,
    .cta-section h2 {
        font-size: 2rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .step-card,
    .feature-card {
        padding: var(--spacing-lg);
    }

    .steps-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .contact-form-section {
        padding: var(--spacing-lg);
    }

    .error-section h1 {
        font-size: 2rem;
    }

    .error-icon {
        font-size: 3rem;
    }
}

/* Print Styles */
@media print {
    .header,
    .hamburger,
    .cta-section,
    .footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .main-content {
        padding: 0;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.nav-link:focus,
.cta-button:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.submit-btn:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --secondary-color: #333333;
        --accent-color: #ff0000;
    }
}

/* AOS (Animate On Scroll) Animations */
/* Initial state for all animated elements */
[data-aos] {
    opacity: 0;
    transition: all 0.8s ease;
}

/* Fade Right Animation */
[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* Fade Left Animation */
[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* Fade Up Animation */
[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Fade In Animation */
[data-aos="fade-in"] {
    opacity: 0;
}

[data-aos="fade-in"].aos-animate {
    opacity: 1;
}

/* Animation delays for staggered effects */
[data-aos-delay="100"] {
    transition-delay: 0.1s;
}

[data-aos-delay="200"] {
    transition-delay: 0.2s;
}

[data-aos-delay="300"] {
    transition-delay: 0.3s;
}

[data-aos-delay="400"] {
    transition-delay: 0.4s;
}

[data-aos-delay="500"] {
    transition-delay: 0.5s;
}

/* Responsive animations - disable on mobile for better performance */
@media (max-width: 768px) {
    [data-aos] {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    [data-aos].aos-animate {
        opacity: 1;
        transform: none;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    [data-aos] {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    [data-aos].aos-animate {
        opacity: 1;
        transform: none;
    }
}

/* FAQ Preview Section */
.faq-preview-section {
    background: linear-gradient(135deg, var(--gray-100), var(--white));
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.faq-preview-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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e5e7eb" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 0;
}

.faq-preview-section .container {
    position: relative;
    z-index: 1;
}

.faq-preview-section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.faq-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.faq-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.faq-preview-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.faq-preview-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.faq-preview-question {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    transition: var(--transition);
}

.faq-preview-question h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.faq-question-link {
    color: var(--white);
    /* text-decoration: none; */
    transition: var(--transition);
    display: block;
    width: 100%;
}

.faq-question-link:hover {
    color: var(--accent-color);
    text-decoration: underline;
}



.faq-preview-answer {
    padding: var(--spacing-lg);
    background: var(--white);
    display: block;
}

.faq-preview-answer p {
    color: var(--gray-700);
    line-height: 1.6;
    margin: 0;
}

.faq-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.faq-cta p {
    font-size: 1.125rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
}

.faq-cta .cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.faq-cta .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

/* Responsive FAQ Preview */
@media (max-width: 768px) {
    .faq-preview-section h2 {
        font-size: 2rem;
    }
    
    .faq-preview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .faq-preview-question {
        padding: var(--spacing-md);
    }
    
    .faq-preview-question h3 {
        font-size: 1rem;
    }
    
    .faq-preview-answer {
        padding: var(--spacing-md);
    }
    
    .faq-cta {
        padding: var(--spacing-lg);
    }
}