:root {
    --bg-color: #0a0d14;
    --card-bg: #121824;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --logo-blue: #38bdf8;
    --logo-orange: #f59e0b;
    --border-color: #1e293b;
    --font-stack: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-stack);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    letter-spacing: -0.011em;
    padding: 0;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 24px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 0;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-color);
}

nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.15s ease;
}

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

nav a.nav-git {
    color: var(--logo-blue);
}

.hero {
    padding: 80px 0 60px 0;
    max-width: 800px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero h1 span.blue-text { color: var(--logo-blue); }
.hero h1 span.orange-text { color: var(--logo-orange); }

.hero-subtitle {
    font-size: 17px;
    color: var(--text-muted);
    margin-bottom: 36px;
    line-height: 1.65;
    font-weight: 400;
}

.cta-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
    font-size: 14px;
}

.btn-primary {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.btn-primary:hover {
    background-color: #e2e8f0;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.03);
    border-color: #475569;
    transform: translateY(-1px);
}

.icon-svg {
    display: inline-block;
    vertical-align: middle;
}

.code-box-container {
    max-width: 500px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: #06080e;
    overflow: hidden;
}

.code-box-header {
    background-color: rgba(255,255,255,0.02);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.code-box-header .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #22314d;
    margin-right: 5px;
}

.code-title {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-left: auto;
}

.code-box {
    padding: 14px 16px;
    font-family: var(--font-mono);
    font-size: 13.5px;
    color: var(--logo-blue);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copy-btn {
    font-size: 11px;
    color: var(--text-muted);
    cursor: pointer;
    background-color: var(--card-bg);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    font-family: var(--font-stack);
}

.copy-btn:hover {
    color: var(--text-color);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 60px 0;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 28px;
    border-radius: 8px;
}

.card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
}

.card p {
    color: var(--text-muted);
    font-size: 14.5px;
    line-height: 1.6;
}

.disclaimer-box {
    margin-top: 60px;
    border-left: 2px solid var(--border-color);
    padding: 0 0 0 20px;
}

.disclaimer-box h4 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    color: var(--text-muted);
}

.disclaimer-box p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

footer {
    margin-top: 60px;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 13px;
}

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

footer a:hover {
    text-decoration: underline;
}

.alert-box {
    padding: 24px;
    border-radius: 8px;
    margin: 24px 0 40px 0;
    font-size: 14.5px;
    line-height: 1.6;
}

.warning-alert {
    background-color: rgba(245, 158, 11, 0.03);
    border: 1px solid rgba(245, 158, 11, 0.15);
}

.warning-alert .alert-title {
    color: var(--logo-orange);
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 8px;
}

.warning-alert a {
    color: var(--logo-blue);
    text-decoration: none;
    font-weight: 500;
}

.warning-alert a:hover {
    text-decoration: underline;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.req-list {
    list-style: none;
    margin-top: 12px;
}

.req-list li {
    font-size: 14px;
    color: var(--text-muted);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.req-list li strong {
    color: var(--text-color);
}

.req-list li:last-child {
    border-bottom: none;
}

.muted-tag {
    color: #64748b;
    font-size: 13px;
    margin-left: 4px;
}

.step-block {
    display: flex;
    gap: 24px;
    margin-bottom: 48px;
}

.step-number {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 700;
    color: var(--logo-blue);
    background-color: rgba(56, 189, 248, 0.05);
    height: 46px;
    min-width: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(56, 189, 248, 0.15);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
}

.step-desc {
    color: var(--text-muted);
    font-size: 14.5px;
    margin-bottom: 16px;
    max-width: 720px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }
    .hero {
        padding: 40px 0;
    }
    .step-block {
        flex-direction: column;
        gap: 12px;
    }
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    footer {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}