:root {
    --bg-color: #000000;
    --text-color: #FFFFFF;
    --accent-color: #E7D461;
    --accent-dark: #B5A23C;
    --card-bg: #111111;
    --border-color: #333333;
    --font-family: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center {
    text-align: center;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.highlight-title {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 3rem;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: #000000;
    padding: 0.8rem 1.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 4px;
    letter-spacing: 1px;
    border: 2px solid var(--accent-color);
    cursor: pointer;
    text-transform: uppercase;
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-color);
}

.btn-primary.outline {
    background-color: transparent;
    color: var(--accent-color);
}

.btn-primary.outline:hover {
    background-color: var(--accent-color);
    color: #000000;
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--text-color);
    padding: 0.8rem 1.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 4px;
    letter-spacing: 1px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    text-transform: uppercase;
}

.btn-secondary:hover {
    border-color: var(--text-color);
}

.dark-btn {
    background-color: #000000;
    color: #FFFFFF;
    border-color: #000000;
}

.dark-btn:hover {
    background-color: #222222;
    color: #FFFFFF;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

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

.nav-link {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #AAAAAA;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    text-align: center;
    justify-content: center;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1497366216548-37526070297c?auto=format&fit=crop&q=80&w=2000');
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.9) 80%, #000000 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.2rem;
    color: #CCCCCC;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.floating-video {
    position: absolute;
    bottom: -50px;
    right: 10%;
    width: 300px;
    height: 180px;
    background-image: url('https://images.unsplash.com/photo-1559136555-e4616d9d1509?auto=format&fit=crop&q=80&w=800');
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease;
    z-index: 10;
}

.floating-video:hover {
    transform: translateY(-10px);
}

.play-icon {
    width: 48px;
    height: 48px;
    background: rgba(0,0,0,0.6);
    border-radius: 50%;
    padding: 12px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.2);
}

/* About Section */
.about {
    padding: 8rem 0;
    background-color: #000000;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.about-left .section-title {
    font-size: 4rem;
    line-height: 1;
    margin-bottom: 2rem;
}

.about-right {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #AAAAAA;
    font-size: 0.95rem;
}

/* Events Section */
.events {
    padding: 8rem 0;
    background-color: #0A0A0A;
}

.events-list {
    max-width: 800px;
    margin: 0 auto;
}

.event-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
}

.event-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.event-info p {
    color: #AAAAAA;
}

/* Global Reach Section */
.global-reach {
    padding: 8rem 0;
    background-color: #000000;
}

.map-container {
    height: 400px;
    background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&q=80&w=1200');
    background-size: cover;
    background-position: center;
    border-radius: 12px;
    margin-top: 3rem;
    position: relative;
    opacity: 0.5;
}

/* Speakers Section */
.speakers {
    padding: 8rem 0;
    background-color: #0A0A0A;
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.speaker-card {
    text-align: center;
}

.speaker-img-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background-color: #222;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    background-image: url('speaker.jfif');
    background-size: cover;
    background-position: center;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.speaker-card:hover .speaker-img-placeholder {
    filter: grayscale(0%);
}

.speaker-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.speaker-card p {
    color: #AAAAAA;
    font-size: 0.9rem;
}

/* Testimonials */
.testimonials {
    padding: 8rem 0;
    background-color: #000000;
}

.testimonial-slider {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.testimonial-card {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 4rem;
    color: rgba(231, 212, 97, 0.2);
    font-family: serif;
}

.quote {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.author {
    color: var(--accent-color);
}

.author strong {
    color: var(--text-color);
}

/* CTA Section */
.cta-section {
    padding: 4rem 0 8rem;
    background-color: #000000;
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.cta-box {
    padding: 4rem;
    border-radius: 12px;
    text-align: center;
}

.cta-box h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-box p {
    margin-bottom: 2rem;
}

.cta-box.dark {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

.cta-box.highlight {
    background: var(--accent-color);
    color: #000000;
}

/* Footer */
.footer {
    padding: 4rem 0;
    background-color: #050505;
    border-top: 1px solid var(--border-color);
}

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

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    font-size: 0.85rem;
    color: #888888;
    text-transform: uppercase;
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .speakers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonial-slider {
        grid-template-columns: 1fr;
    }
    
    .cta-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .floating-video {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .about-right {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .event-row {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}