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:root{--bg:#0b0c10;--card:#11131a;--text:#e8eaf0;--muted:#a8adbd;--acc:#f5c542;--line:#1d2230;}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:16px}
.site-header{position:sticky;top:0;background:rgba(11,12,16,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-weight:800;letter-spacing:.2px}
.nav a{color:var(--muted);margin-left:12px}
.nav a:hover{color:var(--text)}
.hero{padding:18px 0}
h1{font-size:1.9rem;line-height:1.2;margin:0 0 8px}
h2{font-size:1.35rem;margin:20px 0 10px}
h3{font-size:1.1rem;margin:14px 0 8px}
h4{font-size:1rem;margin:12px 0 6px}
.lead{color:var(--muted);margin:0 0 10px}
.grid{display:grid;grid-template-columns:1.6fr .9fr;gap:18px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:720px){.cards{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.card-link{display:block}
.card-body{padding:14px}
.card h2,.card h3{margin:0 0 6px}
.card p{margin:0;color:var(--muted)}
.meta{display:inline-block;margin-top:8px;color:var(--muted);font-size:.9rem}
.box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:12px}
.list{margin:0;padding-left:18px;color:var(--muted)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;color:var(--muted);font-size:.92rem;margin:6px 0 12px}
.article{max-width:780px}
.article-header{margin-bottom:10px}
.meta-row{display:flex;gap:10px;flex-wrap:wrap}
.article-body p{margin:0 0 12px}
.article-body strong{font-weight:800}
.article-body em{font-style:italic}
.article-body ul,.article-body ol{margin:0 0 12px;padding-left:20px}
.article-body blockquote{margin:14px 0;padding:10px 12px;border-left:3px solid var(--acc);background:#0f1118;border-radius:12px;color:var(--muted)}
.toc{background:#0f1118;border:1px dashed var(--line);border-radius:16px;padding:12px;margin:14px 0}
.toc ul{margin:8px 0 0;padding-left:18px}
.toc li{margin:4px 0;color:var(--muted)}
.toc li.h3{margin-left:10px}
.toc li.h4{margin-left:18px}
.ad-slot{background:#0f1118;border:1px solid var(--line);border-radius:16px;padding:10px;margin:14px 0;min-height:90px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 12px;border-radius:14px;background:var(--acc);color:#171717;font-weight:800}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.cta{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;margin:16px 0}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.site-footer{border-top:1px solid var(--line);margin-top:24px}
.muted{color:var(--muted)}
.sticky-ad{position:fixed;left:0;right:0;bottom:0;padding:8px 12px;background:rgba(11,12,16,.92);border-top:1px solid var(--line);backdrop-filter:blur(8px);z-index:15}

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.small{font-size:.9rem}
.calc{background:#0f1118;border:1px solid var(--line);border-radius:16px;padding:12px;margin:14px 0}
.calc h2{margin:0 0 10px;font-size:1.1rem}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:720px){.calc-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field label{color:var(--muted);font-size:.92rem}
.field input{padding:10px 10px;border-radius:14px;border:1px solid var(--line);background:#0b0c10;color:var(--text)}
.calc-out{margin-top:10px;padding:10px;border-radius:14px;background:var(--card);border:1px solid var(--line)}
.calc-out strong{color:var(--acc)}
.aff-box{background:#0f1118;border:1px solid var(--line);border-radius:16px;padding:12px;margin:16px 0}
.aff-row{display:flex;gap:10px;flex-wrap:wrap}
.pin-embed{margin:14px 0;display:flex;justify-content:center}
.pin-embed iframe{max-width:100%;border-radius:14px;overflow:hidden}

/* Pinterest modal UI (keeps user on-site) */
.pin-open{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--card);color:var(--text);padding:10px 12px;border-radius:14px;cursor:pointer}
.pin-open:hover{filter:brightness(1.05)}
.pin-modal[hidden]{display:none}
.pin-modal{position:fixed;inset:0;z-index:999}
.pin-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.pin-modal-card{position:relative;z-index:1000;max-width:740px;width:calc(100% - 24px);margin:5vh auto;background:#0b0c10;border:1px solid var(--line);border-radius:18px;padding:14px}
.pin-close{position:absolute;top:10px;right:10px;border:1px solid var(--line);background:transparent;color:var(--text);width:36px;height:36px;border-radius:12px;cursor:pointer;font-size:20px;line-height:1}
.pin-frame{width:100%;height:520px;border:0;border-radius:14px;background:#000}
@media (max-width:720px){.pin-frame{height:460px}}
.pin-note{margin:10px 0 0}
.pin-modal-open body{overflow:hidden}

/* End-of-article internal links */
.rel-list{margin:10px 0 0;padding-left:18px}
.rel-list li{margin:6px 0}
.rel-list a{text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.35)}
.rel-list a:hover{border-bottom-style:solid}
.eyebrow{font-size:.9rem;text-transform:uppercase;letter-spacing:.08em;color:#64748b;font-weight:700}.intro-block,.category-hero{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:22px;margin:18px 0;box-shadow:0 8px 24px rgba(15,23,42,.05)}.pill{display:inline-block;font-size:.78rem;border:1px solid #dbeafe;background:#eff6ff;color:#1d4ed8;border-radius:999px;padding:4px 9px;margin-bottom:8px}.brand span{color:#2563eb}.article-body a,.related a{font-weight:700}.article-body h2{margin-top:2rem}.article-body h3{margin-top:1.4rem}.article-body h4{margin-top:1.2rem}.toc{border-left:4px solid #2563eb}.category-hero h1{margin-bottom:.4rem}