:root {
    --bg-color: #0a0a0c;
    --card-bg: #16161a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-primary: #7928ca;
    --accent-secondary: #ff0080;
    --border-color: #333;
    --code-bg: #1e1e24;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

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

.background-glow {
    position: fixed;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle, rgba(121, 40, 202, 0.15) 0%, rgba(255, 0, 128, 0.05) 50%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.2rem;
}

.logo-icon {
    color: var(--accent-secondary);
}

.navbar nav {
    display: flex;
    gap: 2rem;
}

.navbar nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.navbar nav a:hover, .navbar nav a.active {
    color: var(--text-primary);
}

.cta-button {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: opacity 0.2s;
}

.cta-button:hover {
    opacity: 0.9;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 6rem 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(90deg, #7928ca, #ff0080);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
}

.primary-btn {
    background: white;
    color: black;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s;
}

.secondary-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.2s;
}

.primary-btn:hover {
    transform: translateY(-2px);
}

.secondary-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Code Window */
.hero-visual {
    width: 100%;
    max-width: 800px;
}

.code-window {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.window-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

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

.title {
    margin-left: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.window-body {
    padding: 1.5rem;
    text-align: left;
    background: var(--code-bg);
}

pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #e0e0e0;
}

.keyword { color: #ff79c6; }
.string { color: #f1fa8c; }
.comment { color: #6272a4; }

/* Features */
.features {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, border-color 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
}

.feature-card .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

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

/* API Reference */
.api-reference {
    padding: 6rem 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-secondary);
}

.api-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.api-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.api-header {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}

.api-header:hover {
    background: rgba(255, 255, 255, 0.03);
}

.method-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    min-width: 60px;
    text-align: center;
}

.method-badge.get {
    background: rgba(39, 201, 63, 0.2);
    color: #27c93f;
}

.method-badge.post {
    background: rgba(255, 189, 46, 0.2);
    color: #ffbd2e;
}

.api-path {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-primary);
}

.api-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex-grow: 1;
}

.chevron {
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: transform 0.3s;
}

.api-item.expanded .chevron {
    transform: rotate(180deg);
}

.api-details {
    display: none;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.api-item.expanded .api-details {
    display: block;
}

.detail-desc {
    margin-bottom: 1.5rem;
    color: #d0d0d0;
}

.api-details h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.8rem;
    margin-top: 1.5rem;
}

.api-details h4:first-of-type {
    margin-top: 0;
}

.empty-params {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.params-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.params-table th, .params-table td {
    text-align: left;
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.params-table th {
    color: var(--text-secondary);
    font-weight: 500;
}

.params-table td:first-child {
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

.params-table td:nth-child(2) {
    color: #ffbd2e;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .api-header {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .api-desc {
        width: 100%;
        margin-top: 0.2rem;
    }
}