/* CSS Custom Properties & Base Setup */
:root {
    --bg-dark: #07070a;
    --bg-panel: rgba(20, 20, 28, 0.6);
    --text-primary: #f0f0f5;
    --text-secondary: #9aa0a6;
    --accent-neon: #00ffa8;
    --accent-cyan: #00d2ff;
    --accent-danger: #ff2a6d;
    --border-glass: rgba(255, 255, 255, 0.08);
    
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

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

/* Dynamic Background Elements */
.bg-mesh {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: 
        radial-gradient(circle at 15% 50%, rgba(0, 210, 255, 0.04), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(0, 255, 168, 0.03), transparent 25%);
    z-index: -2;
    pointer-events: none;
}

.bg-particles {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.3;
}

/* Glassmorphism Utilities */
.glass {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

/* Navigation */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glass);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, #fff, var(--accent-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-icon {
    -webkit-text-fill-color: initial;
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
}

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

.highlight-link {
    color: var(--accent-neon) !important;
}

.github-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    transition: all 0.3s ease !important;
}

.github-btn:hover {
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 15px rgba(255,255,255,0.1);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5%;
    margin-top: -80px;
}

.hero-badge {
    background: rgba(0, 255, 168, 0.1);
    color: var(--accent-neon);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    border: 1px solid rgba(0, 255, 168, 0.2);
    box-shadow: 0 0 20px rgba(0, 255, 168, 0.1);
}

.glitch {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: 1.5rem;
    position: relative;
}

/* Subtle text glow instead of full glitch animation for elegance */
.glitch {
    text-shadow: 0 0 40px rgba(255,255,255,0.3);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 3rem;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background: var(--accent-neon);
    box-shadow: 0 0 20px rgba(0, 255, 168, 0.4);
    transform: translateY(-2px);
}

.terminal-snippet {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: #000;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-glass);
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-size: 0.95rem;
}

.terminal-snippet .prompt {
    color: var(--text-secondary);
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
    display: flex;
    align-items: center;
}

.copy-btn:hover {
    color: var(--text-primary);
}

/* Features Grid */
.features {
    padding: 8rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

.card {
    padding: 2.5rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 255, 168, 0.05);
    border-color: rgba(0, 255, 168, 0.3);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #fff;
}

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

/* Usage Section */
.usage-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 4rem;
    max-width: 1200px;
    margin: 0 auto 8rem auto;
    align-items: center;
}

.code-showcase {
    background: #0d0d12;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.window-header {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border-glass);
    position: relative;
}

.dots {
    display: flex;
    gap: 6px;
}

.dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #444;
}
.dots span:nth-child(1) { background: #ff5f56; }
.dots span:nth-child(2) { background: #ffbd2e; }
.dots span:nth-child(3) { background: #27c93f; }

.filename {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.code-showcase pre {
    padding: 1.5rem;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Syntax Highlighting Base */
.keyword { color: #ff7b72; }
.class { color: #79c0ff; }
.string { color: #a5d6ff; }
.comment { color: #8b949e; font-style: italic; }
.function { color: #d2a8ff; }
.method { color: #d2a8ff; }
.number { color: #79c0ff; }
.built_in { color: #79c0ff; }

.usage-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.usage-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.check-list {
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-neon);
    font-weight: bold;
}

/* Investor Pitch Section */
.investor-pitch {
    max-width: 900px;
    margin: 0 auto 8rem auto;
    padding: 4rem;
    position: relative;
    overflow: hidden;
}

.glow-box::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent 0 340deg, var(--accent-neon) 360deg);
    z-index: -1;
    animation: rotate 10s linear infinite;
    opacity: 0.1;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.pitch-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: #fff;
}

.highlight-text {
    color: var(--accent-cyan);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.pitch-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.pitch-content strong {
    color: var(--text-primary);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-glass);
    padding: 4rem 5%;
    text-align: center;
    background: rgba(0,0,0,0.5);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-content .logo {
    justify-content: center;
    margin-bottom: 1rem;
}

.footer-content p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.copyright {
    font-size: 0.85rem;
    margin-top: 2rem;
    opacity: 0.6;
}

/* Responsive */
@media (max-width: 968px) {
    .usage-section {
        grid-template-columns: 1fr;
        padding: 2rem;
    }
    
    .code-showcase {
        order: 2;
    }
    
    .usage-content {
        order: 1;
    }
}

@media (max-width: 768px) {
    .nav-links a:not(.github-btn) {
        display: none;
    }
    
    .investor-pitch {
        padding: 2rem;
        margin: 0 1rem 4rem 1rem;
    }
    
    .hero {
        margin-top: 0;
        padding-top: 4rem;
    }
}