/* Gadgion — house style: ground #DEE3E9, accent #0E9F6E, Zilla Slab + Figtree */
:root{
  --ground:#DEE3E9;
  --paper:#FFFFFF;
  --ink:#1B2733;
  --muted:#525F6C;
  --accent:#0E9F6E;
  --accent-ink:#0A7A55;
  --line:#C7D0D9;
  --soft:#EDF1F5;
  --radius:14px;
  --sans:'Figtree',system-ui,-apple-system,'Segoe UI',sans-serif;
  --slab:'Zilla Slab',Georgia,serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);font:400 17px/1.7 var(--sans)}
img{max-width:100%;height:auto}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--slab);font-weight:600;line-height:1.18;margin:0 0 .5em;color:var(--ink)}
p{margin:0 0 1em}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}

/* ---------- Masthead ---------- */
.masthead{background:var(--ground);border-bottom:1px solid var(--line)}
.mast{display:flex;align-items:center;gap:22px;min-height:64px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-name{font-family:var(--slab);font-weight:700;font-size:1.5rem;letter-spacing:.01em}
.mark{display:block;border-radius:8px;box-shadow:0 1px 2px rgba(27,39,51,.18)}
.nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:8px;color:var(--ink);font-weight:600;font-size:.95rem}
.nav a:hover{background:var(--soft);text-decoration:none}
.mnav{display:none}
@media (max-width:899px){
  .nav{display:none}
  .mnav{display:block;margin-left:auto;position:relative}
  .mnav summary{list-style:none;cursor:pointer;padding:8px 16px;border:1px solid var(--line);border-radius:10px;background:var(--paper);font-weight:600;color:var(--ink)}
  .mnav summary::-webkit-details-marker{display:none}
  .mnav[open] summary{border-color:var(--accent)}
  .mnav-panel{position:absolute;right:0;top:calc(100% + 8px);background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px rgba(27,39,51,.14);padding:10px;min-width:230px;max-height:70vh;overflow:auto;z-index:30;display:flex;flex-direction:column}
  .mnav-panel a{padding:8px 10px;border-radius:8px;color:var(--ink);font-weight:600}
  .mnav-panel a:hover{background:var(--soft);text-decoration:none}
}

/* ---------- Shared bits ---------- */
.kicker{font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 8px}
.sec-title{font-size:1.5rem;margin:1.6em 0 .8em}
.count{color:var(--muted)}
.page-head{padding:36px 0 8px}
.page-head h1{font-size:clamp(1.9rem,3.5vw,2.6rem)}

.chip{display:inline-block;background:var(--soft);border:1px solid var(--line);color:#41505E;border-radius:999px;padding:2px 11px;font-size:.76rem;font-weight:600;line-height:1.5}
.chip:hover{border-color:var(--accent);color:var(--accent-ink);text-decoration:none}

.topic-cloud{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0 0 20px}
.topic-cloud a{display:inline-block;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:600;color:var(--ink)}
.topic-cloud a span{color:var(--muted);font-weight:600;font-size:.85rem;margin-left:4px}
.topic-cloud a:hover{border-color:var(--accent);text-decoration:none}

/* ---------- Cards ---------- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden;transition:box-shadow .15s ease}
.card:hover{box-shadow:0 8px 22px rgba(27,39,51,.1)}
.card-link{display:flex;flex-direction:column;color:inherit;flex:1}
.card-link:hover{text-decoration:none}
.card-img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;border-bottom:1px solid var(--line)}
.card-body{padding:18px 20px 10px;display:flex;flex-direction:column;gap:8px}
.card-title{font-size:1.18rem;margin:0}
.card-dek{color:var(--muted);font-size:.95rem;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-tags{display:flex;flex-wrap:wrap;gap:6px;padding:0 20px 18px;margin-top:auto}

.cards{display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:700px){.cards{grid-template-columns:1fr 1fr}}
.grid-ad{grid-column:1/-1}

/* ---------- Home ---------- */
.home-hero{padding-top:30px}
.feat .feat-link{display:grid}
@media (min-width:840px){
  .feat .feat-link{grid-template-columns:1.05fr .95fr}
  .feat-media{border-right:1px solid var(--line)}
}
.feat-media{border-bottom:1px solid var(--line)}
@media (min-width:840px){.feat-media{border-bottom:0}}
.feat-media img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.feat-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:10px}
.feat-title{font-size:clamp(1.7rem,3.2vw,2.3rem);margin:0}
.readmore{color:var(--accent-ink);font-weight:700;font-size:.95rem;margin-top:auto}

.home-grid{display:grid;gap:30px;margin-top:6px}
@media (min-width:1024px){.home-grid{grid-template-columns:minmax(0,1fr) 300px}}
.home-side{display:flex;flex-direction:column;gap:8px}
@media (min-width:1024px){.home-side{margin-top:calc(1.6em + 2.4em)}}
.topics-strip{margin-top:30px}

/* ---------- Ads ---------- */
.ad{margin:30px auto;display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center}
.ad-label{font-size:.66rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.ad-box{border:1px dashed #97A5B2;background:repeating-linear-gradient(45deg,#ECF0F4,#ECF0F4 12px,#E4EAEF 12px,#E4EAEF 24px);border-radius:6px;display:grid;place-items:center;color:#7B8894;font-weight:700;font-size:.78rem;letter-spacing:.08em}
.ad-728x90 .ad-box{width:728px;height:90px}
.ad-468x60 .ad-box{width:468px;height:60px}
.ad-300x250 .ad-box{width:300px;height:250px}
.ad-300x600 .ad-box{width:300px;height:600px}
.ad-160x600 .ad-box{width:160px;height:600px}
.ad-320x50 .ad-box{width:320px;height:50px}
/* Show a unit only when its container fits it whole */
.ad-728x90{display:none}
.ad-468x60{display:none}
.ad-300x250{display:none}
.ad-300x600{display:none}
.ad-160x600{display:none}
@media (min-width:800px){.ad-728x90{display:flex}}
@media (min-width:520px){.ad-468x60{display:flex}}
@media (min-width:360px){.ad-300x250{display:flex}}
@media (min-width:720px){.ad-300x600{display:flex}}
@media (min-width:1280px){.ad-160x600{display:flex}}
.sticky{position:sticky;top:16px}

/* ---------- Figures ---------- */
.fig{margin:28px 0}
.fig img{display:block;border-radius:10px;border:1px solid var(--line);margin:0 auto;background:var(--paper)}
.fig figcaption{font-size:.82rem;color:var(--muted);margin-top:7px;text-align:center}
.credit{font-style:italic}

/* ---------- Article ---------- */
.article-grid{display:grid;gap:34px}
@media (min-width:1280px){.article-grid{grid-template-columns:184px minmax(0,1fr) 300px}}
@media (min-width:1024px) and (max-width:1279px){.article-grid{grid-template-columns:minmax(0,1fr) 300px}}
.rail{display:none}
@media (min-width:1280px){.rail{display:block}}
.article-main{min-width:0}
.side{display:flex;flex-direction:column;gap:10px}
.article-head{padding-top:8px}
.article-head h1{font-size:clamp(1.9rem,3.8vw,2.7rem)}
.dek{font-size:1.18rem;line-height:1.55;color:var(--muted);font-weight:500;max-width:62ch}
.via{font-size:.9rem;color:var(--muted)}
.art-topics{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}

.toc{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:26px 0 8px}
.toc-title{font-family:var(--slab);font-weight:600;font-size:.9rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.toc ol{margin:0;padding-left:1.25em;column-count:2;column-gap:44px}
@media (max-width:720px){.toc ol{column-count:1}}
.toc a{color:var(--ink);font-weight:600;font-size:.95rem}

.unit{scroll-margin-top:20px}
.unit h2{font-size:1.5rem;border-left:4px solid var(--accent);padding-left:.6em;margin:1.9em 0 .7em}
.spec{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0 0 1.2em}
.spec li{background:var(--soft);border:1px solid var(--line);color:#41505E;border-radius:999px;padding:2px 12px;font-size:.8rem;font-weight:600;line-height:1.6}

.source-box{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:16px 20px;margin:44px 0 10px;font-size:.95rem;color:var(--muted)}
.source-box p{margin:0}
.source-box strong{color:var(--ink)}
.rel-list{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.rel-list{grid-template-columns:1fr 1fr}}
.related{margin-top:16px}
.related .sec-title{margin-top:2.4em}

.side-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.side-box h3{font-size:1.05rem;margin:0 0 10px}
.side-box ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.side-box a{color:var(--ink);font-weight:600;font-size:.92rem}
.side-box a:hover{color:var(--accent-ink)}

/* ---------- Footer ---------- */
.footer{margin-top:64px;background:#152029;color:#C9D4DE}
.footer .brand{color:#fff}
.footer .brand-name{color:#fff}
.foot-grid{display:grid;gap:30px;padding:46px 20px 32px;grid-template-columns:1fr}
@media (min-width:820px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
.foot-brand p{color:#93A3B0;font-size:.95rem;max-width:38ch}
.footer h3{color:#fff;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 12px}
.footer nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.footer nav a{color:#BFE7D4;font-size:.95rem}
.foot-legal{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;padding-bottom:32px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:.85rem;color:#93A3B0}
.foot-legal p{margin:0;max-width:64ch}
.foot-legal a{color:#BFE7D4}