:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --text-primary: #e8e8ed;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --accent-1: #00d4ff;
    --accent-2: #7c5cff;
    --accent-3: #00ff88;
    --border-color: #2a2a3a;
    --glow-1: rgba(0, 212, 255, 0.15);
    --glow-2: rgba(124, 92, 255, 0.15);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--glow-1);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--glow-2);
    bottom: 20%;
    left: -150px;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: rgba(0, 255, 136, 0.08);
    top: 60%;
    right: -100px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.05em;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    color: var(--bg-primary);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.github-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    transition: all 0.2s;
}

.github-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-1);
    color: var(--accent-1) !important;
}

/* Hero */
.hero {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 10rem 2rem 4rem;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-1);
    background: rgba(0, 212, 255, 0.05);
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: var(--bg-primary);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-1);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
}

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 30px;
    background: var(--border-color);
}

/* Demo Banner */
.demo-banner {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 1rem 2rem;
    margin-bottom: 2rem;
}

.demo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.2);
    color: var(--accent-3);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
}

.demo-link:hover {
    background: rgba(0, 255, 136, 0.15);
    transform: translateY(-1px);
}

.demo-pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-3);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Sections */
section {
    position: relative;
    z-index: 1;
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

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

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s;
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-1);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.1);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--accent-1);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Versions Table */
.versions-table-wrapper {
    overflow-x: auto;
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: var(--bg-card);
}

.versions-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.versions-table th,
.versions-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.versions-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.versions-table th:nth-child(2) { color: var(--accent-1); }
.versions-table th:nth-child(3) { color: var(--accent-3); }
.versions-table th:nth-child(4) { color: var(--accent-2); }

.versions-table td {
    font-size: 0.95rem;
}

.versions-table tr:last-child td {
    border-bottom: none;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

.tag-blue { background: rgba(0, 212, 255, 0.1); color: var(--accent-1); }
.tag-green { background: rgba(0, 255, 136, 0.1); color: var(--accent-3); }
.tag-purple { background: rgba(124, 92, 255, 0.1); color: var(--accent-2); }

.check {
    color: var(--accent-3);
    font-weight: 600;
}

.cross {
    color: var(--text-muted);
}

/* Entry Points */
.entry-points h3 {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    text-align: center;
}

.entry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.entry-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.2s;
}

.entry-card:hover {
    border-color: var(--accent-1);
    background: var(--bg-card-hover);
}

.entry-card code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
}

.entry-badge {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.badge-v2 { background: rgba(0, 212, 255, 0.15); color: var(--accent-1); }
.badge-v2s { background: rgba(0, 255, 136, 0.15); color: var(--accent-3); }

.entry-mode {
    color: var(--text-muted);
    font-size: 0.8rem;
    white-space: nowrap;
}

/* Install */
.install-steps {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.install-step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s;
}

.install-step:hover {
    border-color: var(--accent-1);
}

.step-number {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--bg-primary);
    font-size: 1rem;
}

.step-content h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.code-block {
    position: relative;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.code-block pre {
    padding: 1rem 1.25rem;
    overflow-x: auto;
}

.code-block code {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.code-comment { color: var(--text-muted); }
.code-var { color: var(--accent-1); }
.code-string { color: var(--accent-3); }

.copy-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-btn:hover {
    background: var(--bg-card-hover);
    color: var(--accent-1);
    border-color: var(--accent-1);
}

/* Config */
.config-card {
    max-width: 700px;
    margin: 0 auto;
}

/* Pi Section */
.pi-models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}

.pi-model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s;
}

.pi-model-card:hover {
    border-color: var(--accent-1);
    transform: translateY(-2px);
}

.model-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.model-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.model-badge {
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.model-badge.recommended {
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-1);
}

.model-badge.best-quality {
    background: rgba(124, 92, 255, 0.15);
    color: var(--accent-2);
}

.model-specs {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.spec {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.spec-label { color: var(--text-muted); }
.spec-value { color: var(--text-secondary); font-weight: 500; }

.model-cmd {
    display: block;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--accent-3);
    text-align: center;
}

.pi-setup h3 {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    text-align: center;
}

.pi-setup .code-block {
    max-width: 700px;
    margin: 0 auto 2rem;
}

.pi-tips {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 700px;
    margin: 0 auto;
}

.tip {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.tip-icon {
    font-size: 1.1rem;
    min-width: 1.5rem;
    text-align: center;
}

.tip code {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    padding: 0.15rem 0.4rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--accent-1);
}

/* Footer */
.footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem;
    margin-top: 3rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.1rem;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent-1);
}

.footer-copy {
    width: 100%;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 1rem;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 1rem;
    }

    .nav-links a:not(.github-btn) {
        display: none;
    }

    .hero {
        padding: 8rem 1.5rem 3rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    section {
        padding: 3rem 1.5rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

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

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

    .entry-card {
        flex-wrap: wrap;
    }

    .entry-mode {
        width: 100%;
        margin-left: 0;
        margin-top: 0.25rem;
    }

    .pi-models-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-links {
        gap: 1.5rem;
    }
}

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

.hero-badge, .hero h1, .hero-subtitle, .hero-buttons, .hero-stats {
    animation: fadeInUp 0.8s ease-out backwards;
}

.hero h1 { animation-delay: 0.1s; }
.hero-subtitle { animation-delay: 0.2s; }
.hero-buttons { animation-delay: 0.3s; }
.hero-stats { animation-delay: 0.4s; }