:root {
    --color-primary: #5ac2f6;
    --color-primary-light: #89d5fa;
    --color-primary-dark: #3bb2ed;
    --bg-dark: #050505;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
    --text-main: #e0e0e0;
    --text-dim: #888;
    
    --font-sans: "Inter", -apple-system, system-ui, sans-serif;
    --font-mono: "Lilex", "JetBrains Mono", "Fira Code", monospace;
}

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

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

.glow-bg {
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(90, 194, 246, 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 24px;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 64px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 16px;
    color: #fff;
}

.hero-title span {
    color: var(--color-primary);
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 500px;
    margin: 0 auto 32px;
}

.hero-subtitle b {
    color: #fff;
    font-weight: 500;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-icon { width: 18px; }

.btn-primary {
    background: var(--color-primary);
    color: #000;
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-2px);
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 16px;
    margin-bottom: 64px;
}

.bento-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tools-item {
    align-items: flex-start;
}

.tool-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.tool-tag {
    background: rgba(90, 194, 246, 0.1);
    color: var(--color-primary);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.bento-text {
    font-size: 0.95rem;
    color: var(--text-dim);
}

.install-item {
    padding: 0;
    overflow: hidden;
}

.install-header {
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.install-tabs {
    display: flex;
    gap: 16px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s;
}

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

.copy-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
}

.code-container {
    padding: 20px 24px;
    background: rgba(0,0,0,0.3);
    min-height: 120px;
    overflow-x: auto;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.tab-content pre {
    margin: 0;
    white-space: pre;
    overflow-x: auto;
}

.tab-content code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.7;
    display: block;
}

code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: rgba(90, 194, 246, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-primary-light);
}

.tab-content code {
    background: none;
    padding: 0;
}

.code-keyword { color: #c792ea; }
.code-string { color: #c3e88d; }
.code-flag { color: #89ddff; }
.code-prop { color: #f07178; }
.code-punct { color: #89ddff; }

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

.faq-card h3 {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: #fff;
}

.faq-card p {
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Notice */
.notice {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 64px;
}

.notice h3 {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: #fff;
}

.notice p {
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Footer */
.footer {
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.footer-lineage {
    display: inline-block;
    margin-top: 8px;
    font-size: 0.8rem;
}

.footer-link {
    color: var(--text-main);
    border-bottom: 1px solid var(--border);
    text-decoration: none;
}

.footer-dot {
    margin: 0 8px;
    opacity: 0.3;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title { font-size: 3rem; }
    .bento-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .container { padding-top: 40px; }
}