/* Article template (pilot: how to read 12 months of bills). Builds on home.css + pg.css. */
.art-head{padding:30px 0 0}
.art-head-in{max-width:860px}
.art-kicker{display:inline-block;margin:16px 0 0;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--teal);background:var(--soft);border-radius:999px;padding:6px 12px}
.art-head h1{font-size:clamp(32px,4.2vw,52px);line-height:1.06;letter-spacing:-.035em;margin:16px 0 14px;font-weight:700}
.art-dek{font-size:clamp(18px,1.8vw,21px);line-height:1.5;color:var(--muted);margin:0 0 18px;max-width:760px}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:14px;color:var(--muted)}
.art-meta img{width:28px;height:28px;border-radius:8px}
.art-meta span:first-of-type{color:var(--ink);font-weight:600}
.art-meta i{font-style:normal;opacity:.5}
.art-md{margin-left:auto;font-size:13px;color:var(--teal);text-decoration:none;font-weight:600;border:1px solid var(--line);border-radius:999px;padding:4px 10px}
.art-hero{margin:26px 0 0;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:16/8;background:#efece4}
.art-hero img{width:100%;height:100%;object-fit:cover;display:block}
/* body + sidebar */
.art-grid{display:grid;grid-template-columns:250px minmax(0,700px);gap:64px;justify-content:center;padding-top:40px;padding-bottom:20px}
.art-side{position:relative}
.art-side>*{position:sticky}
.art-toc{position:sticky;top:96px;border-left:2px solid var(--line);padding-left:16px}
.art-toc summary{list-style:none;font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:10px;cursor:default}
.art-toc summary::-webkit-details-marker{display:none}
.art-toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.art-toc a{display:block;padding:7px 0;color:var(--muted);text-decoration:none;font-size:14.5px;line-height:1.35;font-weight:500;transition:color .2s}
.art-toc a.on{color:var(--ink);font-weight:700}
.art-toc a.on:before{content:"";position:absolute;left:-2px;width:2px;height:22px;background:var(--teal);margin-top:-2px}
.art-side-app{position:sticky;top:420px;margin-top:28px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:16px;display:grid;gap:6px;justify-items:start}
.art-side-app img{width:40px;height:40px;border-radius:11px}
.art-side-app b{font-size:15.5px;line-height:1.3}
.art-side-app small{color:var(--muted);font-size:13px}
.art-side-app .btn{margin-top:6px;min-height:42px;font-size:14px;padding:0 14px}
.art-body{min-width:0}
.art-sec{scroll-margin-top:90px}
.art-body h2{font-size:clamp(24px,2.4vw,30px);line-height:1.15;letter-spacing:-.02em;margin:38px 0 14px;font-weight:700}
.art-body .art-sec:first-child h2{margin-top:0}
.art-body p{font-size:18px;line-height:1.7;color:#2b3a55;margin:0 0 18px}
.art-body a{color:var(--teal);font-weight:600}
.art-fig{margin:26px 0 30px}
.art-fig img{width:100%;height:auto;display:block;border-radius:20px;border:1px solid var(--line);background:#fff}
.art-fig figcaption{font-size:14px;line-height:1.5;color:var(--muted);margin-top:10px}
/* app card inside the article */
.art-app{display:grid;grid-template-columns:auto minmax(0,1fr);gap:26px;align-items:center;background:linear-gradient(135deg,#eef6f2,#f6f3ea);border:1px solid #d6e6df;border-radius:26px;padding:22px 26px 22px 22px;margin:30px 0 34px;overflow:hidden}
.art-app-phone .hf-dev{--bz:6px;--sh:230px;--sw:calc(var(--sh) * .46025);box-shadow:0 18px 40px rgba(16,36,72,.22)}
.art-app-phone .hf-scr{width:var(--sw);height:var(--sh)}
.art-app .k{font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--teal)}
.art-app h3{margin:6px 0 8px;font-size:22px;line-height:1.2;letter-spacing:-.3px}
.art-app p{font-size:16px;line-height:1.55;color:var(--muted);margin:0 0 14px}
.art-app .btn{min-height:46px;font-size:15px}
/* sources */
.art-src{margin-top:40px;padding-top:26px;border-top:1px solid var(--rule)}
.art-src h2{font-size:20px;margin:0 0 6px}
.art-src p{font-size:14.5px;color:var(--muted);margin:0 0 14px}
.art-src ol{margin:0;padding-left:22px;display:grid;gap:10px}
.art-src li{font-size:15px;line-height:1.4}
.art-src li small{display:block;color:var(--muted);font-size:13px;margin-top:2px}
/* related */
.art-rel .h{margin-bottom:22px}
.art-rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.art-card{display:grid;grid-template-columns:200px minmax(0,1fr);gap:0;background:var(--card);border:1px solid var(--line);border-radius:24px;overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .2s}
.art-card:hover{transform:translateY(-2px)}
.art-card img{width:100%;height:100%;object-fit:cover;display:block;min-height:200px}
.art-card>div{padding:18px 20px;display:grid;gap:6px;align-content:start}
.art-card .k{font-size:12px;font-weight:700;color:var(--teal);letter-spacing:.04em}
.art-card h3{margin:0;font-size:18.5px;line-height:1.25;letter-spacing:-.2px}
.art-card p{margin:0;font-size:14.5px;line-height:1.5;color:var(--muted)}
.art-card b{font-size:14px;color:var(--teal)}
.pg-final .badges{justify-content:center}
/* tablet / phone */
@media (max-width:1000px){
  .art-grid{grid-template-columns:minmax(0,1fr);gap:18px;padding-top:24px}
  .art-side{order:-1}
  .art-side>*{position:static}
  .art-toc{border:1px solid var(--line);border-radius:18px;padding:12px 16px;background:var(--card)}
  .art-toc summary{margin:0;cursor:pointer;display:flex;justify-content:space-between}
  .art-toc summary:after{content:"＋";color:var(--teal)}
  .art-toc[open] summary:after{content:"－"}
  .art-toc[open] summary{margin-bottom:6px}
  .art-toc a.on:before{display:none}
  .art-side-app{display:none}
  .art-rel-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:700px){
  .art-head{padding-top:16px}
  .art-hero{border-radius:20px;aspect-ratio:16/10;margin-top:18px}
  .art-md{margin-left:0}
  .art-body p{font-size:17px;line-height:1.65}
  .art-app{grid-template-columns:minmax(0,1fr);padding:18px;gap:16px;text-align:left}
  .art-app-phone{display:flex;justify-content:center}
  .art-app .btn{width:100%}
  .art-card{grid-template-columns:minmax(0,1fr)}
  .art-card img{min-height:0;aspect-ratio:16/9}
}
/* the whole sidebar moves as one block (TOC + app card never overlap) */
@media (min-width:1001px){
  .art-side{position:sticky;top:96px;align-self:start}
  .art-side>*,.art-toc,.art-side-app{position:static}
  .art-side-app{margin-top:22px}
}
/* related cards: Safari resolves height:100% of a grid image against the whole card, so the photo covered the text.
   Flex layout with an image that never uses a percentage height. */
.art-card{display:flex;flex-direction:row;align-items:stretch}
.art-card img{flex:0 0 200px;width:200px;height:auto;min-height:200px;object-fit:cover;align-self:stretch}
.art-card>div{flex:1 1 auto;min-width:0}
@media (max-width:700px){
  .art-card{flex-direction:column}
  .art-card img{flex:none;width:100%;height:auto;min-height:0;aspect-ratio:16/9;align-self:auto}
}
/* desktop: header, hero and body share the hero's width (Carlos, 13/11) */
@media (min-width:1001px){
  .art-head-in{max-width:none}
  .art-head h1{max-width:1000px}
  .art-dek{max-width:860px}
  .art-meta{max-width:none}
  .art-grid{grid-template-columns:280px minmax(0,1fr);gap:56px;justify-content:stretch}
  .art-body p{font-size:18.5px;line-height:1.72}
}
@media (min-width:1001px){.art-head-in{max-width:1180px}}
/* product card (e.g. the panel monitor we recommend) */
.art-app-product{width:200px;height:200px;border-radius:20px;background:#fff;border:1px solid #d6e6df;display:grid;place-items:center;overflow:hidden;flex:none}
.art-app-product img{width:92%;height:92%;object-fit:contain}
@media (max-width:700px){.art-app-product{width:100%;height:220px}}
.art-body .art-app .art-app-product img{width:auto;height:92%;max-width:92%;object-fit:contain;border:0;border-radius:0;background:none;margin:0}
.art-body .art-app .art-app-product img{height:auto;max-height:184px}
@media (max-width:700px){.art-body .art-app .art-app-product img{max-height:200px}}