/* Logic Pros — dark Mac-app theme, system-blue accent #007AFF */

:root{
  --bg:#0b0d10;
  --bg-2:#11151a;
  --panel:#13171c;
  --panel-2:#181d24;
  --border:#1f242b;
  --border-2:#2a323b;
  --ink:#f5f7fa;
  --text:#d5dbe2;
  --muted:#8b95a1;
  --accent:#007AFF;
  --accent-2:#3392ff;
  --accent-dim:rgba(0,122,255,.14);
  --accent-ring:rgba(0,122,255,.35);
  --code-bg:#0d1115;
  --max:1200px;
  --max-narrow:760px;
  --radius:14px;
  --radius-s:10px;
  --radius-xs:6px;
  --shadow:0 18px 60px rgba(0,0,0,.5);
  --shadow-card:0 1px 0 rgba(255,255,255,.03) inset, 0 8px 22px rgba(0,0,0,.35);
  --font-sans:'Inter','SF Pro Display','SF Pro Text',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-mono:'JetBrains Mono','SF Mono',Menlo,Consolas,monospace;
  --gh-font-heading:var(--font-sans);
  --gh-font-body:var(--font-sans);
}
body{font-family:var(--gh-font-body)}
h1,h2,h3,h4,h5,h6{font-family:var(--gh-font-heading)}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--accent-2);text-decoration:none;transition:color .15s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4,h5,h6{font-family:var(--font-sans);font-weight:700;line-height:1.22;color:var(--ink);margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,3.6vw,3.1rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,2.2vw,2rem)}
h3{font-size:1.25rem}
p{margin:0 0 1.05em}
strong{color:var(--ink);font-weight:600}
hr{border:0;border-top:1px solid var(--border);margin:2.4em 0}
::selection{background:var(--accent);color:#fff}

.container{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}
.container-narrow{max-width:var(--max-narrow);margin:0 auto;padding:0 24px;width:100%}

.skip-link{position:absolute;left:14px;top:-52px;z-index:100;padding:10px 14px;border-radius:8px;color:#fff;background:var(--accent)}
.skip-link:focus{top:14px}

.kicker{font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 .5em}
.section-head{margin-bottom:28px}
.section-title{font-size:1.65rem;margin:0}

/* HEADER */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,13,16,.86);backdrop-filter:saturate(150%) blur(14px);-webkit-backdrop-filter:saturate(150%) blur(14px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:18px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand:hover{color:var(--ink)}
.brand-mark{display:inline-flex;flex:0 0 auto}
.site-nav>ul{list-style:none;margin:0;padding:0;display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.site-nav a{color:var(--text);font-weight:500;font-size:14.5px;padding:8px 12px;border-radius:8px;transition:background .15s ease,color .15s ease}
.site-nav a:hover{background:var(--panel);color:var(--ink)}
.menu-toggle{display:none;background:none;border:0;width:38px;height:38px;padding:8px;cursor:pointer}
.menu-toggle span{display:block;width:100%;height:2px;background:var(--ink);margin:4px 0;border-radius:2px}
.mobile-nav{display:none;border-top:1px solid var(--border);background:var(--panel)}
.mobile-nav ul{list-style:none;margin:0;padding:8px 24px 18px;display:flex;flex-direction:column;gap:4px}
.mobile-nav a{color:var(--text);padding:10px 12px;border-radius:8px;font-weight:500;display:block}
.mobile-nav a:hover{background:var(--panel-2);color:var(--ink)}

@media (max-width:780px){
  .site-nav{display:none}
  .menu-toggle{display:block}
  .mobile-nav:not([hidden]){display:block}
}

/* HERO */
.hero{padding:clamp(48px,8vw,96px) 0 clamp(36px,5vw,56px);background:radial-gradient(80% 60% at 50% -10%,rgba(0,122,255,.16),transparent 65%)}
.hero-inner{max-width:880px;margin:0 auto;text-align:center}
.hero-title{font-size:clamp(2.2rem,5vw,3.5rem);font-weight:800;letter-spacing:-.025em;line-height:1.08;margin:.4em 0 .5em}
.hero-lede{font-size:clamp(1.05rem,1.5vw,1.2rem);color:var(--text);max-width:680px;margin:0 auto 28px}
.hero-cta{display:inline-flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:36px}
.hero-bullets{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center;color:var(--muted);font-size:14px;font-weight:500}
.hero-bullets li{display:inline-flex;align-items:center;gap:8px}
.hero-bullets .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-dim)}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:var(--radius-s);font-weight:600;font-size:15px;border:1px solid transparent;transition:transform .12s ease,background .15s ease,border-color .15s ease,color .15s ease;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(0,122,255,.32)}
.btn-primary:hover{background:var(--accent-2);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--border-2)}
.btn-ghost:hover{background:var(--panel);border-color:var(--accent);color:var(--ink)}

/* TOPIC GRID */
.topic-section{padding:clamp(36px,5vw,64px) 0;border-top:1px solid var(--border)}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.topic-tile{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:22px 24px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);min-height:84px;color:var(--ink);box-shadow:var(--shadow-card);transition:transform .15s ease,border-color .15s ease,background .15s ease;text-decoration:none}
.topic-tile:hover{transform:translateY(-2px);border-color:var(--accent-ring);background:var(--panel-2);color:var(--ink)}
.topic-name{font-size:1.1rem;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.topic-arrow{font-family:var(--font-mono);font-size:18px;font-weight:600;color:var(--accent);opacity:0;transform:translateX(-6px);transition:opacity .15s ease,transform .15s ease}
.topic-tile:hover .topic-arrow{opacity:1;transform:translateX(0)}

/* FEED */
.post-feed-section{padding:clamp(36px,5vw,72px) 0;border-top:1px solid var(--border)}
.post-feed{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px}
.post-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .15s ease,border-color .15s ease}
.post-card:hover{transform:translateY(-3px);border-color:var(--accent-ring)}
.post-card-link{display:block;color:var(--text)}
.post-card-link:hover{color:var(--text)}
.post-card-image{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.post-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-card-image img{transform:scale(1.03)}
.post-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px}
.post-card-tag{display:inline-block;font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);align-self:flex-start}
.post-card-title{font-size:1.2rem;font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:0;line-height:1.32}
.post-card-excerpt{color:var(--muted);font-size:.95rem;margin:0;line-height:1.55}
.post-card-meta{color:var(--muted);font-size:12.5px;display:flex;gap:8px;align-items:center;margin-top:4px}

/* EMPTY STATE */
.empty-state{background:var(--panel);border:1px dashed var(--border-2);border-radius:var(--radius);padding:48px 32px;text-align:center}
.empty-title{font-size:1.2rem;font-weight:700;color:var(--ink);margin:0 0 .4em}
.empty-body{color:var(--muted);margin:0}

/* ARCHIVE / AUTHOR / ERROR HERO */
.archive-hero{padding:clamp(48px,7vw,80px) 0 clamp(20px,3vw,32px);text-align:center}
.archive-title{font-size:clamp(2rem,4vw,2.8rem);font-weight:800;letter-spacing:-.025em;margin:.3em 0 .4em}
.archive-description{color:var(--text);max-width:640px;margin:0 auto;font-size:1.05rem}
.author-hero{display:flex;flex-direction:column;align-items:center;gap:18px}
.author-avatar-lg{width:96px;height:96px;border-radius:50%;border:2px solid var(--accent-ring);object-fit:cover}

.error-section{padding:clamp(60px,10vw,140px) 0;text-align:center}

/* POST FULL */
.post-full{padding:clamp(40px,6vw,72px) 0 clamp(48px,8vw,96px)}
.post-full-header{text-align:center;margin-bottom:36px}
.post-full-tag{display:inline-block;font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.post-full-title{font-size:clamp(2rem,4.2vw,3rem);font-weight:800;letter-spacing:-.025em;line-height:1.08;margin:0 0 .35em}
.post-full-excerpt{color:var(--text);font-size:1.15rem;line-height:1.5;margin:0 auto 18px;max-width:640px}
.post-full-meta{color:var(--muted);font-size:13.5px;display:inline-flex;flex-wrap:wrap;gap:8px;justify-content:center}
.post-full-meta a{color:var(--text);font-weight:600}
.post-full-image{margin:0 0 clamp(28px,4vw,48px);padding:0;max-width:var(--max);margin-left:auto;margin-right:auto}
.post-full-image img{width:100%;border-radius:var(--radius);border:1px solid var(--border)}
.post-full-image figcaption{text-align:center;color:var(--muted);font-size:13px;margin-top:10px}

.post-full-content{font-size:17.5px;line-height:1.72}
.post-full-content h2{font-size:1.6rem;margin:1.8em 0 .6em;font-weight:700;letter-spacing:-.015em}
.post-full-content h3{font-size:1.25rem;margin:1.5em 0 .5em}
.post-full-content p{margin:0 0 1.1em}
.post-full-content a{color:var(--accent-2);text-decoration:underline;text-decoration-color:rgba(0,122,255,.45);text-underline-offset:3px;text-decoration-thickness:1.5px}
.post-full-content a:hover{color:var(--accent);text-decoration-color:var(--accent)}
.post-full-content ul,.post-full-content ol{padding-left:1.5em;margin:0 0 1.3em}
.post-full-content li{margin:.35em 0}
.post-full-content blockquote{margin:1.5em 0;padding:14px 22px;border-left:3px solid var(--accent);background:var(--panel);border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--ink);font-style:italic}
.post-full-content code{background:var(--code-bg);border:1px solid var(--border);border-radius:var(--radius-xs);padding:2px 7px;font-family:var(--font-mono);font-size:.92em;color:#a9d5ff}
.post-full-content pre{background:var(--code-bg);border:1px solid var(--border);border-radius:var(--radius-s);padding:18px 22px;overflow-x:auto;font-size:14px;line-height:1.55}
.post-full-content pre code{background:none;border:0;padding:0;color:var(--text)}
.post-full-content img,.post-full-content figure{margin:1.6em 0;border-radius:var(--radius-s);border:1px solid var(--border)}
.post-full-content figcaption{font-size:13px;color:var(--muted);text-align:center;padding:8px 14px}
.post-full-content table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.95em}
.post-full-content th,.post-full-content td{padding:10px 14px;border:1px solid var(--border);text-align:left}
.post-full-content th{background:var(--panel);color:var(--ink);font-weight:600}
.post-full-content hr{border:0;border-top:1px solid var(--border);margin:2.2em 0}

/* AUTHOR CARD */
.author-card{margin-top:clamp(40px,6vw,64px);display:flex;align-items:flex-start;gap:18px;padding:22px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}
.author-avatar{width:64px;height:64px;border-radius:50%;flex:0 0 auto;border:2px solid var(--accent-ring);object-fit:cover}
.author-avatar--placeholder{display:inline-block;background:linear-gradient(135deg,#007AFF,#3392ff)}
.author-meta h3{margin:0 0 6px;font-size:1.2rem}
.author-bio{color:var(--text);margin:0 0 8px;font-size:.97rem;line-height:1.55}
.author-link{font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}

/* RELATED */
.related-section{padding:clamp(36px,5vw,64px) 0;border-top:1px solid var(--border)}

/* FOOTER */
.site-footer{margin-top:clamp(40px,6vw,80px);border-top:1px solid var(--border);background:var(--bg-2);padding:36px 0}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.footer-brand{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px;max-width:640px}
.footer-brand p{margin:0;line-height:1.5}
.footer-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:18px;flex-wrap:wrap}
.footer-nav a{color:var(--muted);font-size:13px;font-weight:500}
.footer-nav a:hover{color:var(--ink)}

/* KOENIG EDITOR CARDS (Ghost requires .kg-width-wide and .kg-width-full styled) */
.gh-content > *{margin-left:auto;margin-right:auto;max-width:var(--max-narrow)}
.gh-content .kg-width-wide,
.kg-width-wide{max-width:1000px;margin-left:auto;margin-right:auto}
.gh-content .kg-width-full,
.kg-width-full{max-width:1200px;margin-left:auto;margin-right:auto}
.kg-image-card img,.kg-gallery-card img{border-radius:var(--radius-s);border:1px solid var(--border)}
.kg-image-card figcaption,.kg-gallery-card figcaption{text-align:center;color:var(--muted);font-size:13px;padding:8px 14px}
.kg-bookmark-card{display:block;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);overflow:hidden;text-decoration:none;color:var(--text);transition:border-color .15s ease}
.kg-bookmark-card:hover{border-color:var(--accent-ring)}
.kg-bookmark-content{padding:18px 22px}
.kg-bookmark-title{color:var(--ink);font-weight:700;margin-bottom:6px}
.kg-bookmark-description{color:var(--muted);font-size:.95em;margin-bottom:10px}
.kg-bookmark-metadata{color:var(--muted);font-size:12.5px}
.kg-callout-card{padding:18px 22px;border-radius:var(--radius-s);background:var(--accent-dim);border:1px solid var(--accent-ring);margin:1.6em 0}
.kg-toggle-card{border:1px solid var(--border);border-radius:var(--radius-s);background:var(--panel);padding:16px 20px;margin:1.4em 0}
.kg-toggle-heading{margin:0;font-weight:700;color:var(--ink)}
.kg-button-card{margin:1.6em 0;text-align:center}
.kg-button-card a{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;background:var(--accent);color:#fff;border-radius:var(--radius-s);font-weight:600;text-decoration:none}
.kg-button-card a:hover{background:var(--accent-2);color:#fff}

/* PAGINATION */
.pagination{margin-top:32px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:14px}
.pagination a{color:var(--accent-2);font-weight:600}
.pagination a:hover{color:var(--accent)}

/* RESPONSIVE FINE-TUNING */
@media (max-width:560px){
  .post-feed{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
  .footer-inner{flex-direction:column;align-items:flex-start;text-align:left}
}