@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&family=JetBrains+Mono&display=swap');

:root {
    --bg: #0a0a0f;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --primary: #00d2ff;
    --secondary: #925cff;
    --text: #ffffff;
    --text-dim: #a0a0b0;
    --accent: #3a86ff;
    --glass: rgba(255, 255, 255, 0.05);
    --glow: rgba(0, 210, 255, 0.3);
}

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

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

/* Background Animation */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-glow::before, .bg-glow::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.15;
}

.bg-glow::before {
    background: var(--primary);
    top: -100px;
    right: -100px;
}

.bg-glow::after {
    background: var(--secondary);
    bottom: -100px;
    left: -100px;
}

/* Header */
header {
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -1px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 600;
    transition: color 0.3s;
}

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

/* Hero */
.hero {
    padding: 8rem 2rem 4rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 30px var(--glow);
}

.btn-secondary {
    background: var(--glass);
    color: var(--text);
    border: 1px solid var(--border);
    margin-left: 1rem;
}

.btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-3px);
}

.btn-primary:hover {
    box-shadow: 0 15px 40px var(--glow);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
}

/* Tabs */
.install-section {
    padding: 4rem 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.tabs-container {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    padding: 2rem;
    margin-top: 3rem;
}

.tabs-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
    overflow-x: auto;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s;
    white-space: nowrap;
}

.tab-btn.active {
    background: var(--glass);
    color: var(--primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.code-block {
    background: #000;
    padding: 1.5rem;
    border-radius: 12px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    color: #e0e0e0;
    position: relative;
    overflow-x: auto;
    border: 1px solid var(--border);
}

.code-block span {
    color: var(--primary);
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
}

/* Footer */
footer {
    padding: 6rem 2rem 3rem;
    text-align: center;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    color: var(--text-dim);
}

.author {
    margin-top: 1rem;
    font-weight: 600;
    color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    .hero { padding-top: 4rem; }
}