/* ===== Base Styles ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Stars Animation ===== */
.stars, .stars2, .stars3 {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    background: transparent;
}

.stars {
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #fff, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.9), transparent);
    background-size: 200px 200px;
    animation: twinkle 4s ease-in-out infinite;
}

.stars2 {
    background-image: 
        radial-gradient(1px 1px at 150px 80px, #fff, transparent),
        radial-gradient(2px 2px at 80px 160px, rgba(255,255,255,0.7), transparent);
    background-size: 300px 300px;
    animation: twinkle 6s ease-in-out infinite 1s;
}

.stars3 {
    background-image: 
        radial-gradient(1px 1px at 50px 150px, rgba(139,92,246,0.8), transparent),
        radial-gradient(1px 1px at 180px 50px, rgba(6,182,212,0.8), transparent);
    background-size: 400px 400px;
    animation: twinkle 8s ease-in-out infinite 2s;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.85rem;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 12px;
}

.hero-tagline {
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.btn {
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-2);
    color: white;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(139, 92, 246, 0.6);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.install-code {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    padding: 16px 24px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
}

.install-code code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 1rem;
    color: var(--accent-cyan);
}

.copy-btn {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.2s;
}

.copy-btn:hover {
    transform: scale(1.1);
}

/* ===== Section Styles ===== */
section {
    padding: 80px 0;
    position: relative;
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    text-align: center;
    margin-bottom: 48px;
}

/* ===== Features ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-purple);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

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

/* ===== Platforms ===== */
.platforms {
    background: var(--bg-secondary);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.platform-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.platform-card:hover {
    transform: scale(1.02);
    border-color: var(--accent-blue);
}

.platform-emoji {
    font-size: 2rem;
}

.platform-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.platform-card code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.1);
    padding: 6px 12px;
    border-radius: 6px;
}

/* ===== Skills & Workflows ===== */
.skills-workflows {
    background: var(--bg-secondary);
}

.category-label {
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-purple);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    margin-top: 32px;
}

.category-label:first-of-type {
    margin-top: 0;
}

.skills-grid-wide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 16px;
}

.skill-card.featured {
    border-color: var(--accent-purple);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
}

.badge {
    font-size: 0.7rem;
    padding: 4px 8px;
    background: var(--accent-purple);
    color: white;
    border-radius: 12px;
    font-weight: 600;
    margin-left: auto;
}

/* ===== Skills ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

.skill-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 28px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.skill-card:hover {
    border-color: var(--accent-cyan);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.skill-icon {
    font-size: 1.5rem;
}

.skill-card h3 {
    font-size: 1.1rem;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

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

/* ===== CLI ===== */
.cli {
    background: var(--bg-secondary);
}

.cli-box {
    background: var(--bg-primary);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 32px;
    max-width: 600px;
    margin: 0 auto;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.cli-line {
    padding: 8px 0;
    font-size: 0.95rem;
}

.cli-prompt {
    color: var(--accent-purple);
    margin-right: 8px;
}

.cli-comment {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 60px 20px;
    border-top: 1px solid var(--glass-border);
}

.footer a {
    color: var(--accent-purple);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer-tagline {
    color: var(--text-secondary);
    margin-top: 8px;
    font-size: 0.9rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero {
        padding: 40px 20px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .install-code {
        flex-direction: column;
        gap: 8px;
    }
}