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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    overflow-x: hidden;
}

/* Animated Background */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-shapes:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 8s;
}

.floating-shapes:nth-child(2) {
    top: 60%;
    right: 20%;
    animation-delay: 2s;
    animation-duration: 10s;
}

.floating-shapes:nth-child(3) {
    bottom: 20%;
    left: 50%;
    animation-delay: 4s;
    animation-duration: 12s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.7;
    }
}

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

/* Header */
.header {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-placeholder {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #000;
    font-weight: bold;
}

.nav-logo h1 {
    color: #fff;
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #ffd700;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #ffd700;
    transition: width 0.3s ease;
}

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

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

/* Buttons */
.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-login {
    background: transparent;
    color: #fff;
    border: 2px solid #ffd700;
}

.btn-login:hover {
    background: #ffd700;
    color: #000;
    transform: translateY(-2px);
}

.btn-register {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #000;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.btn-primary {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #000;
    font-size: 1.1rem;
    padding: 1rem 2rem;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.5);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    font-size: 1.1rem;
    padding: 1rem 2rem;
}

.btn-secondary:hover {
    background: #fff;
    color: #000;
    transform: translateY(-3px);
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(30, 60, 114, 0.9), rgba(42, 82, 152, 0.9));
    padding: 6rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    color: #fff;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
    line-height: 1.6;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

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

/* Sections */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    color: #fff;
    margin-bottom: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.features-section,
.about-section,
.registration-section,
.categories-section {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

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

.feature-card h4 {
    color: #ffd700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #fff;
    line-height: 1.6;
    font-size: 1rem;
}

/* About Section */
.about-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: left;
}

.about-content p {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    text-align: left;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

/* Registration Steps */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.step {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #000;
    font-size: 1.2rem;
}

.step h4 {
    color: #ffd700;
    font-size: 1.3rem;
    margin: 1.5rem 0 1rem 0;
}

.step p {
    color: #fff;
    line-height: 1.6;
}

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

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.category-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

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

.category-card h4 {
    color: #ffd700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.category-card p {
    color: #fff;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.9);
    color: #fff;
    padding: 3rem 0 1rem 0;
    margin-top: 2rem;
}

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

.footer-section h4 {
    color: #ffd700;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ffd700;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .steps-container,
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-logo {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .logo-placeholder {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .floating-shapes {
        animation: none;
    }
    
    .btn:hover {
        transform: none;
    }
    
    .feature-card:hover,
    .category-card:hover {
        transform: none;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus {
    outline: 2px solid #ffd700;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid #000;
    }
    
    .feature-card,
    .step,
    .category-card {
        border: 2px solid #000;
    }
}

/* Page Header Styles */
.page-header {
    text-align: center;
    padding: 3rem 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    margin-bottom: 3rem;
}

.page-header h1 {
    color: #ffd700;
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-header p {
    color: #ccc;
    font-size: 1.1rem;
}

/* Content Section Styles */
.content-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 3rem;
}

.content-section h2 {
    color: #ffd700;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    margin-top: 2rem;
}

.content-section h2:first-child {
    margin-top: 0;
}

.content-section p {
    color: #fff;
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.content-section ul {
    color: #fff;
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.content-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.policy-footer {
    background: rgba(255, 215, 0, 0.1);
    padding: 2rem;
    border-radius: 10px;
    margin-top: 3rem;
    text-align: center;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.policy-footer p {
    color: #ffd700;
    margin-bottom: 0.5rem;
}

/* Contact Page Styles */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-info h2 {
    color: #ffd700;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

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

.contact-methods {
    display: grid;
    gap: 1.5rem;
}

.contact-method {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-method h3 {
    color: #ffd700;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.contact-method p {
    color: #fff;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.contact-form-container h2 {
    color: #ffd700;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.form-group label {
    display: block;
    color: #fff;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    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: #ffd700;
    background: rgba(255, 255, 255, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: #fff;
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

/* FAQ Section Styles */
.faq-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.faq-section h2 {
    color: #ffd700;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

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

.faq-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.faq-item h3 {
    color: #ffd700;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.faq-item p {
    color: #fff;
    line-height: 1.6;
}

/* 404 Error Page Styles */
.error-page {
    text-align: center;
    padding: 3rem 0;
}

.error-content {
    margin-bottom: 3rem;
}

.error-number {
    font-size: 8rem;
    font-weight: bold;
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 1rem;
}

.error-content h1 {
    color: #fff;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.error-content p {
    color: #ccc;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.helpful-links {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 2rem;
}

.helpful-links h2 {
    color: #ffd700;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

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

.helpful-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
}

.helpful-link:hover {
    background: rgba(255, 215, 0, 0.2);
    transform: translateY(-3px);
}

.link-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.search-suggestion {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.search-suggestion h3 {
    color: #ffd700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.search-suggestion p {
    color: #ccc;
    margin-bottom: 1.5rem;
}

.search-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
    padding: 0.8rem 1.5rem;
}

.btn-outline:hover {
    background: #fff;
    color: #000;
}

/* Responsive Design for New Pages */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .content-section {
        padding: 2rem;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .error-number {
        font-size: 6rem;
    }
    
    .error-content h1 {
        font-size: 2rem;
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .search-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #ffd700;
    color: #000;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: #fff;
    font-weight: 500;
    z-index: 10000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    background: #28a745;
}

.notification-error {
    background: #dc3545;
}

.notification-info {
    background: #17a2b8;
}

/* Focus Styles */
.focused {
    outline: 2px solid #ffd700;
    outline-offset: 2px;
}

/* Keyboard Navigation */
.keyboard-navigation .btn:focus,
.keyboard-navigation .nav-link:focus {
    outline: 2px solid #ffd700;
    outline-offset: 2px;
}