:root {
    --bg-base: #0a0d14;
    --bg-surface: #101522;
    --bg-card: #151b2e;
    --bg-card-hover: #1c243d;
    --border: #232c45;
    --border-bright: #3a476e;
    --text-main: #f0f4fc;
    --text-muted: #8b9bb4;
    --accent: #ff6b35;
    --accent-glow: rgba(255, 107, 53, 0.25);
    --cf-orange: #f6821f;
    --neon-blue: #00d2ff;
    --neon-green: #00f59b;
    --neon-purple: #9d4edd;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", monospace;
}

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

body {
    background: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Gradients */
.bg-glow-top {
    position: fixed;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 500px;
    background: radial-gradient(circle, rgba(246, 130, 31, 0.15) 0%, rgba(157, 78, 221, 0.08) 50%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 13, 20, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 2rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}

.brand-icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--cf-orange), var(--neon-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: bold;
    color: #fff;
    box-shadow: 0 0 15px var(--accent-glow);
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-badge {
    font-size: 0.7rem;
    padding: 2px 7px;
    border-radius: 12px;
    background: rgba(0, 245, 155, 0.15);
    color: var(--neon-green);
    border: 1px solid rgba(0, 245, 155, 0.3);
    font-weight: 600;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: #fff;
}

.btn-primary {
    background: linear-gradient(135deg, var(--cf-orange), #ff4b4b);
    color: #fff;
    border: none;
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 14px rgba(246, 130, 31, 0.35);
    transition: transform 0.15s, box-shadow 0.15s;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(246, 130, 31, 0.45);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-bright);
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.2s, border-color 0.2s;
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--neon-blue);
}

/* Hero Section */
.hero {
    position: relative;
    max-width: 1200px;
    margin: 3.5rem auto 2rem;
    padding: 0 1.5rem;
    text-align: center;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    background: rgba(246, 130, 31, 0.1);
    border: 1px solid rgba(246, 130, 31, 0.3);
    color: var(--cf-orange);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.4rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.2rem;
}

.gradient-text {
    background: linear-gradient(135deg, #fff 30%, var(--cf-orange) 75%, var(--neon-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 760px;
    margin: 0 auto 2.2rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

/* Stats Ribbon */
.stats-ribbon {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    max-width: 1100px;
    margin: 0 auto 4rem;
    padding: 0 1.5rem;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    text-align: left;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cf-orange), transparent);
}

.stat-val {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.2rem;
}

/* Main Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem 5rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-header h2 {
    font-size: 2.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Quick Start Cards */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.client-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    position: relative;
    transition: transform 0.2s, border-color 0.2s;
}

.client-card:hover {
    border-color: var(--border-bright);
    transform: translateY(-2px);
}

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

.client-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.code-box {
    background: #07090e;
    border: 1px solid #1a2236;
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: #7dd3fc;
    overflow-x: auto;
    position: relative;
    margin-top: 0.85rem;
    white-space: pre-wrap;
    word-break: break-all;
}

.copy-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    background: #1e293b;
    color: #cbd5e1;
    border: none;
    border-radius: 4px;
    padding: 3px 8px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: background 0.15s;
}

.copy-btn:hover {
    background: #334155;
    color: #fff;
}

/* Live Playground Console */
.playground-section {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 4rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.playground-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

@media (max-width: 900px) {
    .playground-grid {
        grid-template-columns: 1fr;
    }
}

.control-group {
    margin-bottom: 1.25rem;
}

.control-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

select, input, textarea {
    width: 100%;
    background: #090c14;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.9rem;
    color: #fff;
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

select:focus, input:focus, textarea:focus {
    outline: none;
    border-color: var(--neon-blue);
}

textarea {
    resize: vertical;
    min-height: 130px;
    font-family: var(--font-mono);
    font-size: 0.88rem;
}

.terminal-out {
    background: #05070a;
    border: 1px solid #1a2236;
    border-radius: var(--radius-md);
    padding: 1.2rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    min-height: 300px;
    max-height: 480px;
    overflow-y: auto;
    color: #e2e8f0;
    white-space: pre-wrap;
    word-break: break-word;
    position: relative;
}

.thinking-block {
    background: rgba(157, 78, 221, 0.1);
    border-left: 3px solid var(--neon-purple);
    padding: 0.6rem 0.8rem;
    margin-bottom: 0.8rem;
    font-size: 0.82rem;
    color: #d8b4fe;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Provider Catalog Grid */
.provider-search-bar {
    max-width: 500px;
    margin: 0 auto 2rem;
    position: relative;
}

.provider-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.2rem;
}

.provider-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s, border-color 0.15s;
}

.provider-card:hover {
    border-color: var(--border-bright);
    transform: translateY(-2px);
}

.provider-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.provider-logo {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.provider-name {
    font-size: 1rem;
    font-weight: 700;
}

.provider-status {
    font-size: 0.72rem;
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 600;
}

.status-active {
    background: rgba(0, 245, 155, 0.15);
    color: var(--neon-green);
    border: 1px solid rgba(0, 245, 155, 0.3);
}

.status-ready {
    background: rgba(139, 155, 180, 0.15);
    color: var(--text-muted);
    border: 1px solid rgba(139, 155, 180, 0.25);
}

.provider-models-badge {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-bottom: 0.85rem;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 2.5rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
}

footer a {
    color: var(--cf-orange);
    text-decoration: none;
}