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

:root {
    --primary: #000;
    --secondary: #666;
    --accent: #0066ff;
    --bg: #fff;
    --surface: #f8f9fa;
    --border: #e1e5e9;
    --text: #1a1a1a;
    --text-light: #666;
}

body {
    font-family: 'Cal Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.02) 0%, rgba(0, 102, 255, 0.02) 100%);
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.highlight {
    background: linear-gradient(135deg, var(--accent), #0052cc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: var(--secondary);
    margin-bottom: 1rem;
    font-weight: 400;
}

.tagline {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--secondary);
    font-family: 'Space Mono', monospace;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-family: 'Space Mono', monospace;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.3);
    background: #0052cc;
}

.cta-button.secondary {
    background: var(--primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.cta-button.secondary:hover {
    background: #333;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.discord-icon {
    width: 24px;
    height: 24px;
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.section-content h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.section-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

/* Topics Grid */
.topics {
    background: var(--surface);
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    text-align: left;
}

.topic-card {
    background: var(--bg);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    cursor: pointer;
}

.topic-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--accent);
}

.topic-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.topic-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.topic-card p {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0;
    line-height: 1.5;
}

/* CTA Section */
.cta-section {
    background: var(--primary);
    color: white;
}

.cta-section h2 {
    color: white;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

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

.topic-card {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.topic-card:nth-child(1) { animation-delay: 0.1s; }
.topic-card:nth-child(2) { animation-delay: 0.2s; }
.topic-card:nth-child(3) { animation-delay: 0.3s; }
.topic-card:nth-child(4) { animation-delay: 0.4s; }
.topic-card:nth-child(5) { animation-delay: 0.5s; }
.topic-card:nth-child(6) { animation-delay: 0.6s; }
.topic-card:nth-child(7) { animation-delay: 0.7s; }
.topic-card:nth-child(8) { animation-delay: 0.8s; }
.topic-card:nth-child(9) { animation-delay: 0.9s; }
.topic-card:nth-child(10) { animation-delay: 1.0s; }
.topic-card:nth-child(11) { animation-delay: 1.1s; }
.topic-card:nth-child(12) { animation-delay: 1.2s; }

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        min-height: 80vh;
        padding: 2rem 0;
    }
    
    .topics-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .topic-card {
        padding: 1.5rem;
    }
    
    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .cta-button {
        padding: 14px 24px;
        font-size: 1rem;
    }
    
    .hero-title {
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        margin-bottom: 0.5rem;
    }
    
    .hero-description {
        margin-bottom: 2rem;
    }
}