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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --background: #ffffff;
    --surface: #f8fafc;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --code-bg: #1e293b;
    --shadow: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--background);
}

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

/* Header */
.header {
    background-color: var(--background);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
}

.btn-primary {
    background-color: white;
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--shadow);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: var(--surface);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text);
}

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

.feature-card {
    background: var(--background);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px var(--shadow);
    transition: transform 0.2s;
}

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

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

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.feature-card p {
    color: var(--text-light);
}

/* Services Section */
.services {
    padding: 5rem 0;
    background-color: var(--background);
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text);
}

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

.service-item {
    text-align: center;
    padding: 2rem;
    background-color: var(--surface);
    border-radius: 0.5rem;
}

.service-item h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.service-item p {
    color: var(--text-light);
}

/* Quick Start Section */
.quick-start {
    padding: 5rem 0;
    background-color: var(--surface);
}

.quick-start h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text);
}

.quick-start-content {
    max-width: 900px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-bottom: 1rem;
    color: var(--text);
}

.step-content pre {
    background: var(--code-bg);
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
}

.step-content code {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
}

/* API Section */
.api-section {
    padding: 5rem 0;
    background-color: var(--background);
}

.api-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text);
}

.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.api-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-color);
}

.api-method {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.api-method.get {
    background: var(--success);
    color: white;
}

.api-method.post {
    background: var(--primary-color);
    color: white;
}

.api-card code {
    display: block;
    font-family: 'Monaco', 'Courier New', monospace;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.api-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Documentation Section */
.documentation {
    padding: 5rem 0;
    background-color: var(--surface);
}

.documentation h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text);
}

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

.doc-card {
    background: var(--background);
    padding: 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s;
    box-shadow: 0 2px 4px var(--shadow);
}

.doc-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px var(--shadow);
}

.doc-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.doc-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Phases Section */
.phases {
    padding: 5rem 0;
    background-color: var(--background);
}

.phases h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text);
}

.phase-list {
    max-width: 900px;
    margin: 0 auto;
}

.phase {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--surface);
    border-radius: 0.5rem;
    align-items: flex-start;
}

.phase-status {
    font-size: 2rem;
    flex-shrink: 0;
}

.phase-content h4 {
    margin-bottom: 0.5rem;
    color: var(--text);
}

.phase-content p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.phase.completed {
    border-left: 4px solid var(--success);
}

.phase.in-progress {
    border-left: 4px solid var(--warning);
}

.phase.pending {
    border-left: 4px solid var(--secondary-color);
}

/* Footer */
.footer {
    background-color: var(--code-bg);
    color: white;
    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 {
    margin-bottom: 1rem;
    color: white;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: white;
}

.footer-note {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
}

.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, 0.6);
    font-size: 0.9rem;
}

/* Section Intro */
.section-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 800px;
    margin: -1rem auto 3rem;
    line-height: 1.7;
}

/* Event Gallery Section */
.event-gallery {
    padding: 5rem 0;
    background-color: var(--surface);
    overflow: hidden;
}

.event-gallery h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.gallery-carousel {
    margin-top: 3rem;
    position: relative;
    width: 100%;
    overflow: hidden;
}

.gallery-track {
    display: flex;
    gap: 2rem;
    animation: scroll 40s linear infinite;
    will-change: transform;
}

.gallery-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.gallery-item {
    flex: 0 0 auto;
    width: 400px;
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 8px 16px var(--shadow);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.05);
}

.gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 2rem 1.5rem 1rem;
    font-size: 1.125rem;
    font-weight: 600;
}

/* Why Us / Testimonials Section */
.why-us {
    padding: 5rem 0;
    background-color: var(--background);
}

.why-us h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text);
}

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

.testimonial-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px var(--shadow);
}

.quote-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text);
    margin-bottom: 1rem;
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-color);
    text-align: right;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background-color: var(--surface);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: var(--background);
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px var(--shadow);
    text-align: center;
    transition: transform 0.2s;
}

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

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

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.contact-card p {
    color: var(--text-light);
    line-height: 1.6;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.contact-card a:hover {
    color: var(--primary-dark);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h2 {
        font-size: 2rem;
    }

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

    .nav {
        gap: 1rem;
    }

    .features h2,
    .services h2,
    .quick-start h2,
    .why-us h2,
    .contact h2,
    .event-gallery h2 {
        font-size: 2rem;
    }

    .section-intro {
        font-size: 1rem;
    }

    .features-grid,
    .testimonial-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
        gap: 1rem;
    }

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

    .gallery-item {
        width: 300px;
    }

    .gallery-item img {
        height: 225px;
    }
}

@media (max-width: 480px) {
    .gallery-item {
        width: 250px;
    }

    .gallery-item img {
        height: 200px;
    }

    .gallery-track {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .nav {
        flex-wrap: wrap;
        gap: 0.5rem;
        font-size: 0.9rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}