/* ── Base ───────────────────────────────────────────────────── */
:root {
    --accent: #4493f8;
    --accent-green: #3fb950;
    --accent-yellow: #e3b341;
    --accent-red: #f85149;
    --accent-purple: #bc8cff;
    --accent-orange: #f0883e;
    --accent-blue: #4493f8;
    --surface: #161b22;
    --surface-2: #21262d;
    --border: #30363d;
    --text-muted: #8b949e;
    --borderColor-default: #3d444d;
    --borderColor-accent-emphasis: #1f6feb;
    --fgColor-accent: #4493f8;
    --borderColor-accent-warning: #9e6a03;
    --fgColor-attention: #d29922;
    --borderColor-accent-important: #8957e5;
    --fgColor-important: #ab7df8;
}

* { line-height: 1.75rem; }

body { background-color: #0d1117; }

body ol,
body ul { padding-left: 1rem; }

article { margin-bottom: 4em; }

/* ── Typography ─────────────────────────────────────────────── */
.text-accent { color: var(--accent); }

/* ── Alerts / Blockquotes ───────────────────────────────────── */
blockquote,
.markdown-alert {
    padding: .5em 1em;
    margin-bottom: 1em;
    color: inherit;
    border-left: .25em solid var(--borderColor-default);
}

.markdown-alert .markdown-alert-title {
    display: flex;
    font-weight: 500;
    align-items: center;
    line-height: 1;
}

.markdown-alert.markdown-alert-note { border-left-color: var(--borderColor-accent-emphasis); }
.markdown-alert.markdown-alert-note .markdown-alert-title { color: var(--fgColor-accent); }
.markdown-alert.markdown-alert-note .markdown-alert-title svg { fill: var(--fgColor-accent); }
.markdown-alert.markdown-alert-warning { border-left-color: var(--borderColor-accent-warning); }
.markdown-alert.markdown-alert-warning .markdown-alert-title { color: var(--fgColor-attention); }
.markdown-alert.markdown-alert-warning .markdown-alert-title svg { fill: var(--fgColor-attention); }
.markdown-alert.markdown-alert-important { border-left-color: var(--borderColor-accent-important); }
.markdown-alert.markdown-alert-important .markdown-alert-title { color: var(--fgColor-important); }
.markdown-alert.markdown-alert-important .markdown-alert-title svg { fill: var(--fgColor-important); }

/* ── Hero ────────────────────────────────────────────────────── */
.hero-section {
    padding: 6rem 0 5rem;
    background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(68, 147, 248, 0.15) 0%, transparent 70%);
    border-bottom: 1px solid var(--border);
}

.hero-headline {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 520px;
    line-height: 1.7;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
.hero-inner { animation: fadeInUp 0.7s ease-out both; }

/* Terminal mockup */
.hero-terminal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.875rem;
    box-shadow: 0 24px 64px rgba(0,0,0,.4);
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--surface-2);
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
}

.dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    display: inline-block;
}
.dot-red    { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green  { background: #27c93f; }

.terminal-title {
    flex: 1;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.terminal-body {
    padding: 1.25rem 1.5rem;
    line-height: 1.9;
}

.terminal-body p { margin: 0; }

.term-prompt { color: var(--accent-green); font-weight: 700; margin-right: 0.5ch; }
.term-out    { color: var(--text-muted); padding-left: 1.25rem; }
.term-link   { color: var(--accent); }
.term-cursor { color: var(--accent); animation: blink 1s step-start infinite; }

@keyframes blink {
    50% { opacity: 0; }
}

/* ── Feature cards ───────────────────────────────────────────── */
.features-section {
    padding: 5rem 0;
}

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

.feature-card:hover {
    transform: translateY(-3px);
}

.feature-card.accent-yellow { border-top: 3px solid var(--accent-yellow); }
.feature-card.accent-yellow .feature-icon { color: var(--accent-yellow); }

.feature-card.accent-green { border-top: 3px solid var(--accent-green); }
.feature-card.accent-green .feature-icon { color: var(--accent-green); }

.feature-card.accent-red { border-top: 3px solid var(--accent-red); }
.feature-card.accent-red .feature-icon { color: var(--accent-red); }

.feature-card.accent-purple { border-top: 3px solid var(--accent-purple); }
.feature-card.accent-purple .feature-icon { color: var(--accent-purple); }

.feature-card.accent-orange { border-top: 3px solid var(--accent-orange); }
.feature-card.accent-orange .feature-icon { color: var(--accent-orange); }

.feature-card.accent-blue { border-top: 3px solid var(--accent-blue); }
.feature-card.accent-blue .feature-icon { color: var(--accent-blue); }

.feature-icon { font-size: 1.75rem; }
.feature-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.feature-body { color: var(--text-muted); font-size: 0.95rem; line-height: 1.65; }
.feature-body p { margin-bottom: 0; }

/* ── Quick start ─────────────────────────────────────────────── */
.quickstart-section {
    padding: 5rem 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-heading {
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-sub {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.code-block {
    background: #0d1117;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.875rem;
}

.code-block-header {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    background: var(--surface-2);
    border-bottom: 1px solid var(--border);
}

.code-lang {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.code-block pre {
    margin: 0;
    padding: 1.5rem;
    overflow-x: auto;
    background: transparent;
    border: none;
}

.code-block code {
    background: transparent;
    color: #e6edf3;
    padding: 0;
}

.cm-comment { color: #6e7681; }

/* ── CTA section ─────────────────────────────────────────────── */
.cta-section {
    padding: 6rem 0;
    background: radial-gradient(ellipse 60% 60% at 50% 110%, rgba(68, 147, 248, 0.12) 0%, transparent 70%);
}

.cta-heading {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
}

.cta-sub {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 520px;
    margin: 0 auto;
}

.social-links { display: flex; justify-content: center; gap: 1.5rem; }
.social-link { color: var(--text-muted); font-size: 1.4rem; transition: color 0.2s; }
.social-link:hover { color: var(--accent); }