:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-primary: #58a6ff;
    --accent-secondary: #1f6feb;
    --accent-gradient: linear-gradient(135deg, #58a6ff 0%, #1f6feb 100%);
    --border-color: #30363d;
    --success: #3fb950;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
}

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

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

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

/* Header & Navigation */
header {
    padding: 2rem 0;
    position: sticky;
    top: 0;
    background: rgba(13, 17, 23, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.github-link {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.github-link:hover {
    border-color: var(--accent-primary);
    background: var(--bg-secondary);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
    padding: 4rem 0;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.glitch {
    position: relative;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.cta-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(88, 166, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(88, 166, 255, 0.4);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

/* Code Window */
.code-window {
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.window-header {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.window-body {
    padding: 1.5rem;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
}

.window-body code {
    color: var(--text-primary);
}

.comment { color: #8b949e; }
.keyword { color: #ff7b72; }
.variable { color: #ffa657; }
.operator { color: #ff7b72; }
.property { color: #79c0ff; }
.string { color: #a5d6ff; }
.function { color: #d2a8ff; }

/* Sections */
.section {
    padding: 6rem 0;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: 0 8px 24px rgba(88, 166, 255, 0.2);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Vision Section */
.vision-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 4rem 2rem;
    border: 1px solid var(--border-color);
}

.vision-content > p {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.vision-points {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.point {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 2rem;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.point:hover {
    border-color: var(--accent-primary);
    transform: translateX(8px);
}

.point-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-primary);
    min-width: 60px;
}

.point-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.point-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 6rem 0;
}

.cta-section h2 {
    margin-bottom: 1rem;
}

.cta-section > p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-section .cta-group {
    justify-content: center;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-links {
    display: flex;
    gap: 2rem;
}

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

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 3rem;
    }

    .cta-group {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .nav-links {
        gap: 1rem;
    }

    .point {
        flex-direction: column;
        gap: 1rem;
    }

    .point:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.25rem;
    }

    .section h2 {
        font-size: 2rem;
    }

    .window-body {
        font-size: 0.75rem;
        padding: 1rem;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

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

.hero-content,
.hero-visual,
.card,
.point {
    animation: fadeInUp 0.8s ease forwards;
}

.card:nth-child(2) {
    animation-delay: 0.1s;
}

.card:nth-child(3) {
    animation-delay: 0.2s;
}

.point:nth-child(2) {
    animation-delay: 0.1s;
}

.point:nth-child(3) {
    animation-delay: 0.2s;
}