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

:root {
    --primary: #ffd700;
    --primary-dark: #e6c200;
    --dark: #0a0a0a;
    --dark-alt: #1a1a1a;
    --dark-card: #151515;
    --text: #e0e0e0;
    --text-muted: #888;
    --border: #333;
    --shadow: rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    scroll-behavior: smooth;
}

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

/* Header */
header {
    background: rgba(26, 26, 26, 0.95);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 0.8;
}

nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

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

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

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    font-size: 16px;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn-primary.large, .btn-secondary.large {
    padding: 18px 40px;
    font-size: 18px;
}

.cta-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.center-action {
    text-align: center;
    margin-top: 40px;
}

/* Hero */
.hero {
    padding: 120px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-alt) 100%);
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0.3;
}

.hero h1 {
    font-size: 56px;
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 22px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
}

/* Features Preview */
.features-preview {
    padding: 80px 0;
    background: var(--dark);
}

.features-preview h2 {
    font-size: 42px;
    text-align: center;
    margin-bottom: 60px;
    color: #fff;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--dark-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow);
}

.feature-card .icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: #fff;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* Wavyverse Showcase */
.wavyverse-showcase {
    padding: 80px 0;
    background: var(--dark-alt);
    text-align: center;
}

.wavyverse-showcase h2 {
    font-size: 42px;
    margin-bottom: 20px;
    color: #fff;
}

.wavyverse-showcase p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-alt) 100%);
    text-align: center;
}

.cta-section h2 {
    font-size: 42px;
    margin-bottom: 15px;
    color: #fff;
}

.cta-section p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* Footer */
footer {
    background: var(--dark-alt);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 18px;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-col p {
    color: var(--text-muted);
    line-height: 1.7;
}

.copyright {
    margin-top: 20px;
    font-size: 14px;
}

/* Page-specific layouts */
.page-header {
    padding: 80px 0 60px;
    background: var(--dark-alt);
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
}

.page-content {
    padding: 60px 0;
    max-width: 900px;
    margin: 0 auto;
}

.page-content h2 {
    font-size: 32px;
    color: #fff;
    margin: 40px 0 20px;
}

.page-content h3 {
    font-size: 24px;
    color: #fff;
    margin: 30px 0 15px;
}

.page-content p {
    margin-bottom: 20px;
    line-height: 1.8;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    
    .hero .subtitle {
        font-size: 18px;
    }
    
    nav {
        flex-direction: column;
        gap: 15px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-group {
        flex-direction: column;
    }
}