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

:root {
    --primary-color: #ffd700;
    --secondary-color: #8b0000;
    --accent-color: #ff6b35;
    --dark-bg: #0a0a0a;
    --card-bg: #1a1a1a;
    --text-light: #ffffff;
    --text-dark: #333333;
    --gradient-primary: linear-gradient(135deg, #ffd700, #ff6b35);
    --gradient-secondary: linear-gradient(135deg, #8b0000, #ff6b35);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background: var(--dark-bg);
    overflow-x: hidden;
}

/* Particles Background */
.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2a2a2a 100%);
}

/* Header and Navigation */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 2px solid var(--primary-color);
    transition: transform 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-logo h1 {
    font-size: 2rem;
    font-weight: bold;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-dark);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--text-light);
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(139, 0, 0, 0.4);
}

.btn-login {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-login:hover {
    background: var(--primary-color);
    color: var(--text-dark);
}

.btn-register {
    background: var(--gradient-primary);
    color: var(--text-dark);
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 215, 0, 0.4);
}

.btn-login-large, .btn-register-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* Main Content */
.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero-section {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.8), rgba(26, 26, 26, 0.8));
    position: relative;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #cccccc;
}

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

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: var(--card-bg);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid rgba(255, 215, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(255, 215, 0, 0.2);
}

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

.feature-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Login Section */
.login-section {
    padding: 4rem 0;
    background: var(--dark-bg);
}

.login-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.login-box, .register-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 215, 0, 0.2);
    text-align: center;
}

.login-box h4, .register-box h4 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.login-box p, .register-box p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

/* About Section */
.about-section {
    padding: 4rem 0;
    background: var(--card-bg);
}

.about-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Page Header */
.page-header {
    padding: 3rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.8), rgba(26, 26, 26, 0.8));
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.page-header p {
    font-size: 1.2rem;
    color: #cccccc;
}

/* Content Section */
.content-section {
    padding: 4rem 0;
    background: var(--card-bg);
}

.policy-content, .terms-content, .disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
}

.policy-content h2, .terms-content h2, .disclaimer-content h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin: 2rem 0 1rem 0;
}

.policy-content p, .terms-content p, .disclaimer-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* Contact Section */
.contact-section {
    padding: 4rem 0;
    background: var(--card-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.contact-info h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

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

.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

/* Error Page */
.error-section {
    padding: 4rem 0;
    text-align: center;
    background: var(--card-bg);
}

.error-content h1 {
    font-size: 8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.error-content h2 {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.error-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.error-links h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.error-links ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.error-links ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.error-links ul li a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    border-top: 2px solid var(--primary-color);
    padding: 3rem 0 1rem;
}

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

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #cccccc;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .login-container {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .error-content h1 {
        font-size: 5rem;
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .error-links ul {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
}

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

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
a:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #ffff00;
        --secondary-color: #ff0000;
        --text-light: #ffffff;
        --dark-bg: #000000;
    }
}

/* Animation classes */
.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

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