:root{--bg:#fafaf9;--surface:#fff;--ink:#0f172a;--muted:#64748b;--line:#e7e5e4;--brand:#dc2626;--brand-2:#f59e0b;--accent:#0f172a;--radius:14px;--shadow-sm:0 1px 2px rgba(15,23,42,.04),0 1px 3px rgba(15,23,42,.06);--shadow-md:0 4px 6px -1px rgba(15,23,42,.06),0 10px 25px -5px rgba(15,23,42,.08);--shadow-lg:0 20px 50px -12px rgba(15,23,42,.18)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;line-height:1.75;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"palt" 1}
a{color:var(--brand);text-decoration:none;transition:color .15s}
a:hover{color:#991b1b}
img,video,iframe,object,embed{max-width:100%;height:auto;display:block}
.post-content figure,.post-content .wp-block-image,.post-content .wp-block-video,.post-content .wp-block-embed,.post-content table{max-width:100%;overflow:auto}
.post-content figure img,.post-content figure video{width:100%;height:auto}
.featured-image{overflow:hidden;max-width:100%}
.swell-block-button{max-width:100%}
.c-balloon__icon img{width:auto !important;max-width:80px}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);padding:18px 0;position:sticky;top:0;z-index:50}
.site-title{font-size:24px;font-weight:800;letter-spacing:-.02em}
.site-title a{color:var(--ink);display:inline-flex;align-items:center;gap:8px}
.site-title a::before{content:"";display:inline-block;width:10px;height:10px;background:var(--brand);border-radius:2px;transform:rotate(45deg)}
.site-tagline{color:var(--muted);font-size:12px;margin-top:2px;letter-spacing:.02em}
.site-nav{margin-top:14px;display:flex;flex-wrap:wrap;gap:22px;font-size:13.5px;font-weight:500}
.site-nav a{color:var(--ink);position:relative;padding:4px 0}
.site-nav a:hover{color:var(--brand)}
.site-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.site-nav a:hover::after{transform:scaleX(1)}

/* Mobile header: collapsible nav with checkbox hack (no JS) */
.nav-toggle{display:none}
.nav-toggle-btn{display:none}
@media(max-width:768px){
  .site-header{padding:12px 0;position:relative}
  .site-header .container{display:grid;grid-template-columns:1fr auto;align-items:center;gap:12px}
  .site-title{font-size:19px}
  .site-tagline{display:none}
  .nav-toggle-btn{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:8px;background:#fafaf9;border:1px solid var(--line);cursor:pointer;grid-row:1;grid-column:2}
  .nav-toggle-btn span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:transform .2s}
  .nav-toggle-btn span::before,.nav-toggle-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:transform .2s}
  .nav-toggle-btn span::before{top:-6px}
  .nav-toggle-btn span::after{top:6px}
  .nav-toggle:checked ~ .nav-toggle-btn span{background:transparent}
  .nav-toggle:checked ~ .nav-toggle-btn span::before{transform:translateY(6px) rotate(45deg)}
  .nav-toggle:checked ~ .nav-toggle-btn span::after{transform:translateY(-6px) rotate(-45deg)}
  .site-nav{grid-row:2;grid-column:1/-1;margin-top:0;max-height:0;overflow:hidden;transition:max-height .25s ease,margin-top .25s ease;flex-direction:column;gap:0}
  .nav-toggle:checked ~ .site-nav{max-height:600px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
  .site-nav a{padding:12px 4px;font-size:15px;border-bottom:1px solid #f5f5f4;width:100%}
  .site-nav a:last-child{border-bottom:none}
}

/* Layout */
.main-grid{display:grid;grid-template-columns:1fr 300px;gap:48px;padding:40px 20px 64px}
@media(max-width:900px){.main-grid{grid-template-columns:1fr;gap:32px;padding:28px 20px 48px}}

/* Page title */
.page-title{font-size:28px;font-weight:800;letter-spacing:-.02em;margin-bottom:24px;display:flex;align-items:center;gap:12px}
.page-title::before{content:"";width:4px;height:28px;background:linear-gradient(180deg,var(--brand),var(--brand-2));border-radius:2px}

/* Post cards */
.post-grid{display:grid;grid-template-columns:1fr;gap:20px}
.post-card{background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line);transition:transform .25s ease,box-shadow .25s ease,border-color .25s}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d6d3d1}
.post-card-link{display:grid;grid-template-columns:240px 1fr;color:inherit}
@media(max-width:640px){.post-card-link{grid-template-columns:1fr}}
.post-card-image{aspect-ratio:16/10;background:#f5f5f4;overflow:hidden;position:relative}
.post-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-card-image img{transform:scale(1.05)}
.post-card-image .placeholder{width:100%;height:100%;background:linear-gradient(135deg,#fef3c7,#fde68a 50%,#fca5a5);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:32px}
.post-card-image .placeholder::before{content:"IM";opacity:.7}
.post-card-body{padding:20px 22px;display:flex;flex-direction:column;justify-content:center}
.post-card-body h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--ink);letter-spacing:-.01em;line-height:1.5}
.post-card:hover .post-card-body h3{color:var(--brand)}
.post-card-body .excerpt{font-size:13px;color:var(--muted);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6}
.post-card-body time{font-size:11.5px;color:var(--muted);font-weight:500;letter-spacing:.04em;text-transform:uppercase}

/* Sidebar */
.sidebar .widget{background:var(--surface);border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.widget h3{font-size:12px;font-weight:700;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line);text-transform:uppercase;letter-spacing:.08em;color:var(--ink)}
.widget ul{list-style:none}
.widget li{padding:8px 0;font-size:13.5px;border-bottom:1px solid #f5f5f4}
.widget li:last-child{border-bottom:none}
.widget li a{color:#374151;display:block}
.widget li a:hover{color:var(--brand);transform:translateX(2px);transition:all .15s}

/* Single post */
.single-post{background:var(--surface);border-radius:var(--radius);padding:48px 56px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
@media(max-width:768px){.single-post{padding:28px 22px;border-radius:10px}}
.single-post .featured-image{margin:-48px -56px 32px;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0}
@media(max-width:768px){.single-post .featured-image{margin:-28px -22px 24px;border-radius:10px 10px 0 0}}
.single-post .featured-image img{width:100%;max-height:480px;object-fit:cover}
.post-title{font-size:38px;font-weight:800;line-height:1.35;letter-spacing:-.025em;margin-bottom:16px;color:var(--ink)}
@media(max-width:768px){.post-title{font-size:26px}}
.post-meta{font-size:12.5px;color:var(--muted);margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.post-meta time{font-weight:500;letter-spacing:.03em}
.post-meta .cats{display:inline-flex;flex-wrap:wrap;gap:6px}
.post-meta .cats a{background:#fef2f2;color:var(--brand);padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:600;letter-spacing:.02em}
.post-meta .cats a:hover{background:var(--brand);color:#fff}

/* Post content */
.post-content{font-size:16.5px;line-height:1.95;color:#1f2937}
.post-content > p:first-of-type::first-letter{font-size:3.4em;font-weight:800;float:left;line-height:.9;margin:6px 10px 0 0;color:var(--brand)}
.post-content h2{font-size:24px;font-weight:800;line-height:1.4;letter-spacing:-.015em;margin:48px 0 20px;padding:14px 18px;background:linear-gradient(90deg,#fef2f2,transparent);border-left:4px solid var(--brand);border-radius:0 4px 4px 0;color:var(--ink)}
.post-content h3{font-size:19px;font-weight:700;margin:32px 0 14px;color:var(--ink);padding-left:14px;border-left:3px solid var(--brand-2)}
.post-content h4{font-size:16px;font-weight:700;margin:24px 0 10px;color:#374151}
.post-content p{margin-bottom:18px}
.post-content img{margin:24px auto;border-radius:8px;box-shadow:var(--shadow-sm)}
.post-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.post-content a:hover{text-decoration-thickness:2px}
.post-content strong{font-weight:700;color:var(--ink);background:linear-gradient(transparent 60%,#fef08a 60%)}
.post-content blockquote{margin:24px 0;padding:18px 22px;background:#f8fafc;border-left:4px solid var(--accent);border-radius:0 8px 8px 0;color:#475569;font-style:italic;font-size:15.5px}
.post-content ul,.post-content ol{margin:14px 0 20px 26px}
.post-content li{margin-bottom:8px}
.post-content ul li::marker{color:var(--brand)}
.post-content code{background:#f1f5f9;padding:2px 8px;border-radius:4px;font-size:88%;color:#be123c;font-family:'SFMono-Regular',Menlo,Consolas,monospace}
.post-content pre{background:#0f172a;color:#e2e8f0;padding:20px;border-radius:10px;overflow-x:auto;margin:20px 0;font-size:13px;line-height:1.65}
.post-content pre code{background:transparent;padding:0;color:inherit}
.post-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;border-radius:8px;overflow:hidden;box-shadow:var(--shadow-sm)}
.post-content th,.post-content td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.post-content th{background:var(--ink);color:#fff;font-weight:600;font-size:13px;letter-spacing:.02em}
.post-content tr:hover td{background:#fafaf9}
.post-content hr{border:none;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:32px 0}

/* Article inline figures */
.article-figure{margin:28px 0;padding:0;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-md);background:#fff}
.article-figure img{width:100%;height:auto;display:block}

/* Read time badge */
.post-meta .read-time{background:#f1f5f9;color:#475569;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:600}

/* Table of contents */
.toc{margin:0 0 36px;padding:22px 26px;background:linear-gradient(135deg,#fafaf9,#fef3c7);border:1px solid var(--line);border-radius:12px;position:relative}
.toc::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--brand),var(--brand-2));border-radius:12px 0 0 12px}
.toc-title{font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.toc-title::before{content:"≡";font-size:18px;color:var(--brand)}
.toc ol{list-style:none;counter-reset:toc;padding:0;margin:0}
.toc li{counter-increment:toc;padding:5px 0;font-size:14px;line-height:1.5}
.toc li::before{content:counter(toc, decimal-leading-zero) ".";color:var(--brand);font-weight:700;font-size:11.5px;margin-right:8px;font-variant-numeric:tabular-nums}
.toc li a{color:#374151;transition:color .15s}
.toc li a:hover{color:var(--brand);text-decoration:none}
.toc-l3{padding-left:22px;font-size:13px}
.toc-l3::before{color:var(--muted) !important}

/* Related posts */
.related{margin-top:56px;padding-top:36px;border-top:1px solid var(--line)}
.related-title{font-size:20px;font-weight:800;letter-spacing:-.01em;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.related-title::before{content:"";width:4px;height:22px;background:linear-gradient(180deg,var(--brand),var(--brand-2));border-radius:2px}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:600px){.related-grid{grid-template-columns:1fr}}
.related-card{display:flex;gap:14px;background:#fafaf9;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:all .2s;color:inherit}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#d6d3d1;text-decoration:none}
.related-img{flex:0 0 110px;aspect-ratio:1/1;background:#f5f5f4;overflow:hidden}
.related-img img{width:100%;height:100%;object-fit:cover}
.related-img.placeholder{background:linear-gradient(135deg,#fef3c7,#fca5a5)}
.related-body{flex:1;padding:12px 14px 12px 0;display:flex;flex-direction:column;justify-content:center;min-width:0}
.related-body h3{font-size:14px;font-weight:700;line-height:1.5;color:var(--ink);margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card:hover .related-body h3{color:var(--brand)}
.related-body time{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.04em}

/* Anchor target offset (sticky header) */
.post-content h2[id],.post-content h3[id]{scroll-margin-top:80px}

/* Pagination */
.pagination{display:flex;gap:6px;justify-content:center;margin-top:48px;flex-wrap:wrap}
.pagination a,.pagination span{padding:10px 14px;border-radius:8px;background:var(--surface);border:1px solid var(--line);font-size:14px;font-weight:500;min-width:42px;text-align:center;color:var(--ink);transition:all .15s}
.pagination a:hover{background:var(--ink);color:#fff;border-color:var(--ink);text-decoration:none}
.pagination .current{background:var(--brand);color:#fff;border-color:var(--brand)}

/* 404 */
.notfound{text-align:center;padding:80px 32px;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.notfound h2{font-size:96px;font-weight:900;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.04em}
.notfound p{color:var(--muted);margin:8px 0}

/* Footer */
.site-footer{background:var(--ink);color:#94a3b8;padding:48px 0 36px;margin-top:64px;text-align:center;font-size:13px}
.site-footer a{color:#cbd5e1;margin:0 10px}
.site-footer a:hover{color:#fff}

.aff-banner{margin:24px 0;padding:16px 20px;background:linear-gradient(135deg,#fef3c7,#fde68a);border-radius:8px;border-left:4px solid #f59e0b}
.aff-banner .aff-label{font-size:12px;color:#92400e;font-weight:600;margin-bottom:6px;letter-spacing:.05em}
.aff-banner a{display:block;color:#1f2937;text-decoration:none;font-size:15px;line-height:1.6}
.aff-banner a:hover{text-decoration:underline}
.aff-banner strong{color:#dc2626;display:inline-block;margin-right:8px}