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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #2d1b69 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

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

.particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
    animation-duration: 6s;
}

.particle:nth-child(3) {
    top: 80%;
    left: 40%;
    animation-delay: 4s;
    animation-duration: 7s;
}

.particle:nth-child(4) {
    top: 30%;
    left: 70%;
    animation-delay: 1s;
    animation-duration: 9s;
}

.particle:nth-child(5) {
    top: 70%;
    left: 10%;
    animation-delay: 3s;
    animation-duration: 5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.3;
    }
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.1);
}

.nav-logo h1 {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.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,
.nav-link.active {
    color: #4ecdc4;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    transition: width 0.3s ease;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #4ecdc4;
}

.btn-secondary:hover {
    background: #4ecdc4;
    color: #0f0f23;
    transform: translateY(-2px);
}

.btn-login {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #4ecdc4;
}

.btn-register {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: white;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 3px 0;
    transition: 0.3s;
}

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

/* Hero Section */
.hero {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
    position: relative;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

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

/* Features Section */
.features {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.02);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 3rem;
    font-weight: 600;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    min-height: 400px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem auto;
    flex-shrink: 0;
}

.feature-icon img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.feature-card h4 {
    color: #4ecdc4;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    min-height: 3.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

/* Registration Steps */
.registration-steps {
    padding: 4rem 0;
    background: rgba(255, 255, 255, 0.02);
}

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

.step {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.step-number {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content h4 {
    color: #4ecdc4;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.step-content p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(78, 205, 196, 0.1) 100%);
}

.cta h3 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: 600;
}

.cta p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Final CTA Section */
.final-cta {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.final-cta h3 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: 600;
}

.final-cta p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Page Header */
.page-header {
    padding: 2rem 0;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
}

.page-header h1 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.page-header p {
    color: rgba(255, 255, 255, 0.6);
}

/* Content Section */
.content-section {
    padding: 3rem 0;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.content-wrapper h2 {
    color: #4ecdc4;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    margin-top: 2rem;
}

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

.content-wrapper p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.content-wrapper ul {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

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

/* Contact Section */
.contact-section {
    padding: 3rem 0;
}

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

.contact-info h2 {
    color: #4ecdc4;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-methods {
    margin-bottom: 2rem;
}

.contact-method {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-method h3 {
    color: #4ecdc4;
    margin-bottom: 0.5rem;
}

.contact-method p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

.support-topics h3 {
    color: #4ecdc4;
    margin-bottom: 1rem;
}

.support-topics ul {
    color: rgba(255, 255, 255, 0.8);
    padding-left: 1.5rem;
}

.support-topics li {
    margin-bottom: 0.5rem;
}

/* Contact Form */
.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form h3 {
    color: #4ecdc4;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.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 textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4ecdc4;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* FAQ Section */
.faq-section {
    padding: 3rem 0;
    background: rgba(255, 255, 255, 0.02);
}

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

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item h4 {
    color: #4ecdc4;
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

/* Error Section */
.error-section {
    padding: 4rem 0;
    text-align: center;
}

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

.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: #4ecdc4;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.error-content h1 {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 1rem;
}

.error-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

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

.helpful-links {
    text-align: left;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.helpful-links h3 {
    color: #4ecdc4;
    margin-bottom: 1rem;
    text-align: center;
}

.helpful-links ul {
    list-style: none;
    padding: 0;
}

.helpful-links li {
    margin-bottom: 0.5rem;
}

.helpful-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.helpful-links a:hover {
    color: #4ecdc4;
}

/* Footer */
.footer {
    background: rgba(15, 15, 35, 0.95);
    padding: 3rem 0 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-section h4 {
    color: #4ecdc4;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #4ecdc4;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo-image {
        width: 32px;
        height: 32px;
    }
    
    .nav-logo h1 {
        font-size: 1.5rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(15, 15, 35, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .nav-buttons {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .feature-card {
        min-height: 250px;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .error-code {
        font-size: 6rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .content-wrapper {
        padding: 2rem 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .error-code {
        font-size: 4rem;
    }
}

/* 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,
input:focus,
textarea:focus {
    outline: 2px solid #4ecdc4;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .feature-card,
    .step,
    .content-wrapper,
    .contact-form {
        border: 2px solid #fff;
    }
}