/* Teen Patti Casino - Main CSS */

/* CSS Variables with Custom Color Palette */
:root {
    --primary-color: #2a0052;
    --secondary-color: #ffd899;
    --accent-color: #ffd899;
    --white: #ffffff;
    --black: #000000;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* 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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

/* Breadcrumb Navigation */
.breadcrumb {
    background: var(--gray-100);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item:not(:last-child)::after {
    content: ">";
    margin: 0 var(--spacing-sm);
    color: var(--gray-600);
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

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

/* Header and Navigation */
.header {
    background: linear-gradient(135deg, var(--primary-color), #1a0038);
    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: var(--font-size-xl);
    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-sm);
}

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

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-sm);
    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(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 216, 153, 0.3);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(42, 0, 82, 0.4);
    transform: translateY(-2px);
    border: 2px solid var(--secondary-color);
    font-weight: 600;
}

/* Button Styles */
.nav-link.login-btn, 
.nav-link.register-btn {
    background: linear-gradient(135deg, var(--secondary-color), #ffed4e);
    color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    transition: var(--transition);
    border: 2px solid var(--secondary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(255, 216, 153, 0.3);
}

.nav-link.login-btn:hover, 
.nav-link.register-btn:hover {
    background: linear-gradient(135deg, var(--white), #f8f9fa);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 216, 153, 0.5);
    border-color: var(--white);
}

.nav-link.register-btn {
    background: linear-gradient(135deg, var(--primary-color), #1a0038);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(42, 0, 82, 0.3);
}

.nav-link.register-btn:hover {
    background: linear-gradient(135deg, var(--secondary-color), #ffed4e);
    color: var(--primary-color);
    border-color: var(--secondary-color);
    box-shadow: 0 8px 25px rgba(255, 216, 153, 0.5);
}

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

/* Hero Section */
.hero-section {
    display: flex;
    justify-content: center;
    align-items: center;
gap: 30px;
    min-height: 60vh;
    background: linear-gradient(135deg, rgba(42, 0, 82, 0.02), rgba(255, 216, 153, 0.05));
    border-radius: var(--radius-xl);

    flex-wrap: wrap;
}

.hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex: 1;
 
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    min-width: 300px;
    max-width: 500px;
}

.hero-content h1 {
    font-size: var(--font-size-5xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

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

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

/* Button Styles */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: var(--font-size-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #1a0038);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(42, 0, 82, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color), #ffed4e);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 216, 153, 0.4);
    border-color: var(--secondary-color);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 2px 10px rgba(42, 0, 82, 0.1);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(42, 0, 82, 0.3);
    border-color: var(--primary-color);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* Section Styles */
.brand-intro,
.features-section,
.registration-section,
.login-section,
.advantages-section,
.faq-section,
.cta-section {
    padding: var(--spacing-lg) 0;
}

.brand-intro h2,
.features-section h2,
.registration-section h2,
.login-section h2,
.advantages-section h2,
.faq-section h2,
.cta-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.intro-content p {
    font-size: var(--font-size-lg);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background: linear-gradient(145deg, var(--white), #f8f9fa);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 25px rgba(42, 0, 82, 0.1);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(42, 0, 82, 0.15);
    border-color: var(--secondary-color);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.feature-emoji {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
}

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

/* Registration Steps */
.registration-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(145deg, var(--white), #f8f9fa);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 8px 25px rgba(42, 0, 82, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(42, 0, 82, 0.15);
}

.step:hover::before {
    transform: scaleX(1);
}

.step-number {
    background: linear-gradient(135deg, var(--primary-color), #1a0038);
    color: var(--white);
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(42, 0, 82, 0.3);
    transition: var(--transition);
}

.step:hover .step-number {
    background: linear-gradient(135deg, var(--secondary-color), #ffed4e);
    color: var(--primary-color);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 216, 153, 0.4);
}

.step-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

/* New Registration Section Styles */
.section-registration {
    padding: var(--spacing-3xl) 0;
}

.section-registration h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--primary-color);
}

.content-registration {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.content-registration p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.d_registration {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.d_detail {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(145deg, var(--white), #f8f9fa);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 8px 25px rgba(42, 0, 82, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.d_detail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.d_detail:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(42, 0, 82, 0.15);
}

.d_detail:hover::before {
    transform: scaleX(1);
}

.d_step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.d_s_no {
    background: linear-gradient(135deg, var(--primary-color), #1a0038);
    color: var(--white);
    width: 45px;
    height: 45px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(42, 0, 82, 0.3);
    transition: var(--transition);
}

.d_detail:hover .d_s_no {
    background: linear-gradient(135deg, var(--secondary-color), #ffed4e);
    color: var(--primary-color);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 216, 153, 0.4);
}

.d_s_detail h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.d_s_detail p {
    color: var(--gray-700);
    margin: 0;
}

/* Login Section */
.login-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.login-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

/* Advantages Grid */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.advantage-item {
    background: linear-gradient(145deg, var(--white), #f8f9fa);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 25px rgba(42, 0, 82, 0.1);
    text-align: center;
    border-top: 4px solid var(--secondary-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(42, 0, 82, 0.15);
}

.advantage-item:hover::before {
    transform: scaleX(1);
}

.advantage-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

/* App Screenshots Section */
.app-screenshots-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-100);
}

.app-screenshots-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--primary-color);
}

.screenshots-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
}

.screenshots-scroll {
    display: flex;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    width: max-content;
}

.screenshot-item {
    width: 100%;
    height: 296px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    aspect-ratio: 16/9;
}

.screenshot-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.screenshot-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    min-height: 296px;
}

/* Custom scrollbar for screenshots */
.screenshots-container::-webkit-scrollbar {
    height: 8px;
}

.screenshots-container::-webkit-scrollbar-track {
    background: var(--gray-200);
    border-radius: var(--radius-full);
}

.screenshots-container::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.screenshots-container::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.faq-item {
    background: linear-gradient(145deg, var(--white), #f8f9fa);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 25px rgba(42, 0, 82, 0.1);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(42, 0, 82, 0.15);
}

.faq-item h3 {
    background: linear-gradient(135deg, var(--gray-100), #e9ecef);
    padding: var(--spacing-lg);
    margin: 0;
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    border-bottom: 1px solid var(--gray-200);
    font-weight: 700;
    position: relative;
}

.faq-item h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.faq-item p {
    padding: var(--spacing-lg);
    margin: 0;
    color: var(--gray-700);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), #1a0038);
    color: var(--white);
    text-align: center;
    border-radius: var(--radius-xl);
    margin: var(--spacing-3xl) 0;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.cta-section p {
    color: var(--gray-200);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.cta-section .btn-primary {
    background: linear-gradient(135deg, var(--secondary-color), #ffed4e);
    color: var(--primary-color);
    border-color: var(--secondary-color);
    box-shadow: 0 6px 20px rgba(255, 216, 153, 0.4);
    font-weight: 700;
}

.cta-section .btn-primary:hover {
    background: linear-gradient(135deg, var(--white), #f8f9fa);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 216, 153, 0.6);
    border-color: var(--white);
}

.cta-section .btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
    font-weight: 700;
}

.cta-section .btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.4);
    border-color: var(--white);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

.footer * {
    color: var(--white) !important;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

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

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

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

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

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

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    text-align: center;
    color: var(--white);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color), #1a0038);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    width: 55px;
    height: 55px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(42, 0, 82, 0.3);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.back-to-top:hover {
    background: linear-gradient(135deg, var(--secondary-color), #ffed4e);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 216, 153, 0.4);
}

.back-to-top.visible {
    display: flex;
}

/* 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), #1a0038);
        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: var(--font-size-lg);
    }
    
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md) 0;
        gap: var(--spacing-md);
        min-height: 50vh;
    }
    
    .hero-content {
        text-align: center;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        max-width: 100%;
    }
    
    .hero-image {
        max-width: 100%;
    }
    
    .hero-content h1 {
        font-size: var(--font-size-3xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .main-content {
        padding: 0 var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .registration-steps {
        grid-template-columns: 1fr;
    }
    
    .d_registration {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-scroll {
        grid-template-columns: repeat(3, 1fr);
        min-width: auto;
        gap: var(--spacing-sm);
    }
    
    .screenshot-item img {
        height: 296px;
        width: 100%;
        object-fit: cover;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .logo-text {
        font-size: var(--font-size-base);
    }
    
    .hero-content h1 {
        font-size: var(--font-size-2xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    .back-to-top {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        width: 45px;
        height: 45px;
    }
}

/* Print Styles */
@media print {
    .header,
    .hamburger,
    .back-to-top,
    .footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .main-content {
        padding: 0;
    }
    
    .hero-section {
        grid-template-columns: 1fr;
    }
}

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

/* Focus styles for keyboard navigation */
.nav-link:focus,
.btn:focus,
.back-to-top:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000000;
        --secondary-color: #ffff00;
        --gray-700: #000000;
    }
}

/* AOS (Animate On Scroll) CSS Animations */
.aos-init {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-animate {
    opacity: 1;
}

/* Fade animations */
.aos-fade {
    opacity: 0;
    transition: opacity 0.6s ease;
}

.aos-fade.aos-animate {
    opacity: 1;
}

/* Fade up animation */
.aos-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-fade-up.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Fade down animation */
.aos-fade-down {
    opacity: 0;
    transform: translateY(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-fade-down.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Fade left animation */
.aos-fade-left {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-fade-left.aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* Fade right animation */
.aos-fade-right {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-fade-right.aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* Zoom in animation */
.aos-zoom-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-zoom-in.aos-animate {
    opacity: 1;
    transform: scale(1);
}

/* Zoom out animation */
.aos-zoom-out {
    opacity: 0;
    transform: scale(1.2);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-zoom-out.aos-animate {
    opacity: 1;
    transform: scale(1);
}

/* Slide up animation */
.aos-slide-up {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-slide-up.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Slide down animation */
.aos-slide-down {
    opacity: 0;
    transform: translateY(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-slide-down.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Slide left animation */
.aos-slide-left {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-slide-left.aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* Slide right animation */
.aos-slide-right {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-slide-right.aos-animate {
    opacity: 1;
    transform: translateX(0);
}

/* Flip animations */
.aos-flip-left {
    opacity: 0;
    transform: perspective(1000px) rotateY(-90deg);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-flip-left.aos-animate {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg);
}

.aos-flip-right {
    opacity: 0;
    transform: perspective(1000px) rotateY(90deg);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-flip-right.aos-animate {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg);
}

/* Staggered animations for multiple elements */
.aos-stagger > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-stagger > *:nth-child(1) { transition-delay: 0.1s; }
.aos-stagger > *:nth-child(2) { transition-delay: 0.2s; }
.aos-stagger > *:nth-child(3) { transition-delay: 0.3s; }
.aos-stagger > *:nth-child(4) { transition-delay: 0.4s; }
.aos-stagger > *:nth-child(5) { transition-delay: 0.5s; }
.aos-stagger > *:nth-child(6) { transition-delay: 0.6s; }

.aos-stagger.aos-animate > * {
    opacity: 1;
    transform: translateY(0);
}

/* Additional page-specific styles */
.privacy-content,
.terms-content,
.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl) 0;
}

.privacy-section,
.terms-section,
.disclaimer-section {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
}

.privacy-section h2,
.terms-section h2,
.disclaimer-section h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-2xl);
}

.privacy-section h3,
.terms-section h3,
.disclaimer-section h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.privacy-section ul,
.terms-section ul,
.disclaimer-section ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

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

.last-updated {
    font-style: italic;
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

.support-hours {
    background: var(--gray-100);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin: var(--spacing-xl) 0;
}

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

.support-hours ul {
    list-style: none;
    padding: 0;
}

.support-hours li {
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.support-hours strong {
    color: var(--primary-color);
}