:root {
    color-scheme: dark;
    --bg: #090d12;
    --bg-soft: #0d131b;
    --surface: #111923;
    --surface-high: #162230;
    --surface-higher: #1b2938;
    --text: #e7edf4;
    --muted: #9aaabd;
    --faint: #657689;
    --line: #263445;
    --line-soft: rgba(136, 192, 208, 0.14);
    --primary: #88c0d0;
    --primary-container: rgba(136, 192, 208, 0.14);
    --secondary: #a3be8c;
    --secondary-container: rgba(163, 190, 140, 0.12);
    --danger: #bf616a;
    --code: #d8dee9;
    --max: 1120px;
    --content: 760px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --shadow-1: 0 10px 30px rgba(0, 0, 0, 0.18);
    --shadow-2: 0 24px 70px rgba(0, 0, 0, 0.32);
    --gh-font-heading: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --gh-font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    --sans: var(--gh-font-body);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background:
        radial-gradient(circle at 12% 0%, rgba(136, 192, 208, 0.12), transparent 32rem),
        radial-gradient(circle at 88% 12%, rgba(163, 190, 140, 0.08), transparent 28rem),
        var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration-color: rgba(136, 192, 208, 0.45); text-underline-offset: 0.18em; transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease, transform 160ms ease; }
a:hover { color: var(--primary); text-decoration-color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }

.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-shell { min-height: 100vh; display: flex; flex-direction: column; }
.site-main { flex: 1; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(9, 13, 18, 0.82);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.02em; text-decoration: none; }
.brand img { max-height: 38px; width: auto; }
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-family: var(--mono);
    color: var(--secondary);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
}
.brand-text { font-size: 1.02rem; }
.site-nav ul { list-style: none; display: flex; align-items: center; gap: 8px; margin: 0; padding: 0; flex-wrap: wrap; }
.site-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 0.9rem;
    color: var(--muted);
    text-decoration: none;
}
.site-nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.site-nav .nav-current a { color: var(--primary); background: var(--primary-container); }

.hero { padding: 86px 0 48px; }
.home-hero { padding-top: 92px; }
.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
    align-items: center;
    gap: 48px;
}
.hero-copy { min-width: 0; }
.eyebrow {
    margin: 0 0 14px;
    color: var(--secondary);
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
h1, h2, h3, h4 { margin: 0 0 18px; line-height: 1.1; letter-spacing: -0.035em; font-family: var(--gh-font-heading); }
h1 { font-size: clamp(3rem, 7vw, 5.8rem); max-width: 920px; }
h2 { font-size: clamp(1.75rem, 3vw, 2.65rem); }
h3 { font-size: 1.45rem; }
.hero-deck { color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.34rem); max-width: 740px; margin: 0 0 30px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface-high);
    color: var(--text);
    font-weight: 750;
    text-decoration: none;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
}
.button:hover { border-color: rgba(136, 192, 208, 0.5); background: var(--surface-higher); color: var(--text); transform: translateY(-1px); }
.button-primary { background: var(--primary); border-color: var(--primary); color: #061017; }
.button-primary:hover { background: #9bd0dd; color: #061017; }
.button-ghost { background: transparent; }

.hero-cover-card {
    position: relative;
    min-height: 420px;
    border: 1px solid var(--line-soft);
    border-radius: 28px;
    padding: 12px;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)),
        var(--surface);
    box-shadow: var(--shadow-2);
    overflow: hidden;
}
.hero-cover-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    pointer-events: none;
    background:
        linear-gradient(120deg, rgba(136, 192, 208, 0.22), transparent 28%, transparent 72%, rgba(163, 190, 140, 0.16)),
        repeating-linear-gradient(90deg, transparent 0, transparent 23px, rgba(255,255,255,0.025) 24px),
        repeating-linear-gradient(0deg, transparent 0, transparent 23px, rgba(255,255,255,0.022) 24px);
    opacity: 0.7;
}
.cover-frame {
    position: relative;
    height: 100%;
    min-height: 396px;
    border-radius: 22px;
    overflow: hidden;
    background: #05080c;
}
.cover-frame img { width: 100%; height: 100%; min-height: 396px; object-fit: cover; filter: saturate(0.86) contrast(1.04) brightness(0.82); }
.cover-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(6, 10, 15, 0.05), rgba(6, 10, 15, 0.58)),
        radial-gradient(circle at 50% 18%, transparent, rgba(6,10,15,0.46));
    pointer-events: none;
}
.cover-status {
    position: absolute;
    left: 26px;
    right: 26px;
    bottom: 26px;
    display: flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    max-width: calc(100% - 52px);
    padding: 8px 12px;
    border: 1px solid rgba(136, 192, 208, 0.28);
    border-radius: 999px;
    background: rgba(6, 10, 15, 0.72);
    backdrop-filter: blur(12px);
    color: var(--muted);
    font-family: var(--mono);
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.status-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--secondary); box-shadow: 0 0 18px rgba(163,190,140,0.85); }

.topic-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 4px;
    margin-bottom: 52px;
}
.topic-strip a {
    min-height: 58px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(17, 25, 35, 0.76);
    color: var(--muted);
    text-decoration: none;
    font-weight: 700;
}
.topic-strip a:hover { color: var(--text); border-color: rgba(136, 192, 208, 0.46); background: var(--surface-high); transform: translateY(-1px); }

.section-header { margin-top: 14px; margin-bottom: 24px; }
.post-feed { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; padding-bottom: 70px; }
.post-card {
    grid-column: span 6;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(22, 34, 48, 0.92), rgba(14, 20, 28, 0.96));
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-1);
}
.post-card:hover { border-color: rgba(136, 192, 208, 0.34); transform: translateY(-2px); }
.post-card-content { padding: 24px; }
.post-card h2 { font-size: clamp(1.35rem, 2.2vw, 2rem); margin-top: 10px; }
.post-card h2 a { text-decoration: none; }
.post-card p { color: var(--muted); margin: 0 0 16px; }
.post-card-image img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-bottom: 1px solid var(--line); }
.tag-pill {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    border: 1px solid rgba(136, 192, 208, 0.24);
    border-radius: 999px;
    padding: 4px 9px;
    color: var(--primary);
    background: var(--primary-container);
    font-family: var(--mono);
    font-size: 0.72rem;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.article-meta { color: var(--faint); display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 0.82rem; }

.article { max-width: var(--content); padding: 74px 0 78px; }
.article-header { margin-bottom: 38px; }
.article-header.compact { margin-bottom: 24px; }
.article-header h1 { font-size: clamp(2.2rem, 5vw, 4.2rem); }
.article-excerpt { color: var(--muted); font-size: 1.18rem; max-width: 720px; }
.feature-image { margin: 0 0 38px; }
.feature-image img { border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow-1); }
figcaption { color: var(--faint); font-size: 0.88rem; margin-top: 8px; text-align: center; }
.content { color: var(--text); }
.content > * { max-width: var(--content); }
.content p, .content ul, .content ol { color: #cbd6e2; }
.content h2 { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); }
.content h3 { margin-top: 32px; color: var(--text); }
.content ul, .content ol { padding-left: 1.3rem; }
.content li + li { margin-top: 0.35rem; }
.content blockquote {
    margin: 30px 0;
    padding: 18px 22px;
    border-left: 3px solid var(--primary);
    background: var(--surface);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text);
}
.content pre {
    margin: 30px 0;
    padding: 20px;
    overflow: auto;
    background: #070b10;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    color: var(--code);
    font-size: 0.92rem;
}
.content code {
    font-family: var(--mono);
    background: rgba(136, 192, 208, 0.10);
    color: var(--code);
    border: 1px solid rgba(136, 192, 208, 0.16);
    border-radius: 6px;
    padding: 0.12em 0.35em;
}
.content pre code { background: transparent; border: 0; padding: 0; }
.content table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 0.94rem; }
.content th, .content td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.content th { background: var(--surface); color: var(--text); }
.content hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.content .kg-card { margin: 34px 0; }
.content .kg-image-card img { border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow-1); }
.content .kg-width-wide { max-width: min(980px, calc(100vw - 40px)); margin-left: 50%; transform: translateX(-50%); }
.content .kg-width-full { max-width: min(1200px, calc(100vw - 24px)); margin-left: 50%; transform: translateX(-50%); }
.content .kg-width-wide img, .content .kg-width-full img { width: 100%; height: auto; }

.article-footer { margin-top: 52px; }
.operator-note {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    padding: 24px;
    box-shadow: var(--shadow-1);
}
.operator-note p:not(.eyebrow) { color: var(--muted); margin-top: 0; }
.archive-header { padding: 70px 0 34px; }
.archive-header p { color: var(--muted); max-width: 720px; }
.pagination { width: min(calc(100% - 40px), var(--max)); margin: -34px auto 70px; display: flex; justify-content: space-between; color: var(--muted); }
.pagination a { text-decoration: none; }

.site-footer { border-top: 1px solid var(--line); background: rgba(7, 11, 16, 0.86); color: var(--muted); padding: 42px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
.footer-title { color: var(--text); font-weight: 800; margin: 0 0 8px; }
.footer-grid p { margin: 0; max-width: 560px; }
.footer-nav { display: flex; gap: 12px 18px; flex-wrap: wrap; justify-content: flex-end; }
.footer-nav a { color: var(--muted); text-decoration: none; }
.footer-nav a:hover { color: var(--primary); }
.footer-bottom { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; color: var(--faint); font-family: var(--mono); font-size: 0.8rem; }

/* Ghost/GScan-required image width classes */
.kg-width-wide {}
.kg-width-full {}

@media (max-width: 920px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-cover-card { min-height: 280px; }
    .cover-frame { min-height: 280px; }
    .cover-frame img { min-height: 280px; aspect-ratio: 16 / 9; }
    .topic-strip { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
    body { font-size: 16px; }
    .wrap { width: min(calc(100% - 28px), var(--max)); }
    .header-inner { align-items: flex-start; flex-direction: column; padding: 16px 0; gap: 12px; }
    .site-nav ul { gap: 6px; }
    .hero { padding: 52px 0 40px; }
    .post-card { grid-column: span 12; }
    .article { padding-top: 48px; }
    .topic-strip { grid-template-columns: 1fr; margin-bottom: 42px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-nav { justify-content: flex-start; }
    .footer-bottom { flex-direction: column; }
}