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

:root {
    --deep-space-blue: #0a0e27;
    --obsidian: #1a1d2e;
    --peak-gold: #FFD700;
    --neon-cyan: #00f0ff;
    --text-primary: #ffffff;
    --text-secondary: #a0a8c0;
    --glass-bg: rgba(26, 29, 46, 0.7);
    --gradient-primary: linear-gradient(135deg, #FFD700 0%, #00f0ff 100%);
    --gradient-secondary: linear-gradient(135deg, #0a0e27 0%, #1a3a52 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--deep-space-blue);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand .logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--peak-gold), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.cta-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

#spireCanvas {
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(135deg, var(--peak-gold), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.primary-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}

.primary-button.large {
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
}

.secondary-button {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.secondary-button:hover {
    border-color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.1);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--peak-gold);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Features Section */
.features {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--deep-space-blue) 0%, var(--obsidian) 100%);
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    transition: transform 0.3s, border-color 0.3s;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--neon-cyan);
    display: flex;
    justify-content: center;
    align-items: center;
}

.feature-icon svg {
    stroke: var(--neon-cyan);
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

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

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

/* Architecture Section */
.architecture {
    padding: 8rem 0;
    background: var(--obsidian);
}

.architecture-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 4rem auto 0;
}

.spire-layer {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s;
}

.spire-layer[data-layer="4"] {
    margin-left: 0;
    border-left: 4px solid var(--peak-gold);
}

.spire-layer[data-layer="3"] {
    margin-left: 2rem;
    border-left: 4px solid var(--neon-cyan);
}

.spire-layer[data-layer="2"] {
    margin-left: 4rem;
    border-left: 4px solid #667eea;
}

.spire-layer[data-layer="1"] {
    margin-left: 6rem;
    border-left: 4px solid #764ba2;
}

.spire-layer:hover {
    transform: translateX(10px);
    border-color: var(--peak-gold);
}

.layer-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.layer-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Performance Section */
.performance {
    padding: 8rem 0;
    background: var(--deep-space-blue);
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.performance-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    transition: transform 0.3s;
}

.performance-card:hover {
    transform: scale(1.05);
}

.metric-large {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--peak-gold);
    margin-bottom: 1rem;
}

.metric-label {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.metric-detail {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 8rem 0;
    background: linear-gradient(135deg, #0a0e27 0%, #1a3a52 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.cta-section p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.cta-section .primary-button {
    position: relative;
    z-index: 1;
}

/* Footer */
.footer {
    background: var(--obsidian);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    align-items: start;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--peak-gold), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
}

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

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

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--neon-cyan);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .primary-button, .secondary-button {
        width: 100%;
    }
    
    .spire-layer[data-layer="1"],
    .spire-layer[data-layer="2"],
    .spire-layer[data-layer="3"],
    .spire-layer[data-layer="4"] {
        margin-left: 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}