*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#f7f8fa; --card:#fff; --ink:#1a2230; --ink2:#4a5568; --ink3:#7b8794;
  --line:#e4e8ee; --accent:#1f5fbf; --accent-dk:#16457f; --gold:#b7791f;
  --good:#1f7a4d; --warn:#b7791f; --bad:#b91c3b; --radius:12px;
  --wrap:1080px;
}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.62 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
main{min-height:60vh}

/* header / footer */
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.bar{max-width:var(--wrap);margin:0 auto;padding:14px 22px;display:flex;
  align-items:center;justify-content:space-between;gap:20px}
.brand{font-size:21px;font-weight:750;letter-spacing:-.02em;color:var(--ink)}
.brand span{color:var(--accent)}
header nav{display:flex;gap:22px;flex-wrap:wrap}
header nav a{color:var(--ink2);font-size:15px;font-weight:550}
header nav a:hover{color:var(--accent);text-decoration:none}
footer.site{background:#fff;border-top:1px solid var(--line);margin-top:56px}
.foot{max-width:var(--wrap);margin:0 auto;padding:34px 22px 10px;display:flex;
  gap:40px;flex-wrap:wrap;justify-content:space-between}
.foot p{color:var(--ink3);font-size:13.5px;max-width:46ch;margin:8px 0 0}
.foot nav{display:flex;flex-direction:column;gap:8px}
.foot nav a{color:var(--ink2);font-size:14px}
.fineprint{max-width:var(--wrap);margin:0 auto;padding:16px 22px 34px;
  color:var(--ink3);font-size:12.5px;border-top:1px solid var(--line)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:34px 22px 10px}
.narrow{max-width:760px}

/* hero */
.hero{background:linear-gradient(160deg,#16457f,#1f5fbf);color:#fff;
  border-bottom:1px solid var(--line)}
.hero-in{max-width:var(--wrap);margin:0 auto;padding:52px 22px 46px}
.hero h1{margin:0 0 12px;font-size:34px;line-height:1.15;letter-spacing:-.025em;
  font-weight:760;max-width:20ch}
.hero p{margin:0;font-size:17px;line-height:1.6;color:#dbe6f7;max-width:60ch}
.hero .pills{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}
.hero .pills a{background:rgba(255,255,255,.12);color:#fff;padding:8px 15px;
  border-radius:999px;font-size:14px;font-weight:550;border:1px solid rgba(255,255,255,.2)}
.hero .pills a:hover{background:rgba(255,255,255,.22);text-decoration:none}

/* section heading */
.sec-h{display:flex;align-items:baseline;justify-content:space-between;
  margin:34px 0 16px;gap:16px}
.sec-h h2{margin:0;font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink3);font-weight:700}
.sec-h a{font-size:14px}

/* cards grid */
.grid{display:grid;gap:16px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 21px;display:block;color:inherit}
a.card:hover{border-color:var(--accent);text-decoration:none;
  box-shadow:0 2px 16px rgba(31,95,191,.08)}
.card h3{margin:0 0 7px;font-size:17.5px;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
.card p{margin:0;color:var(--ink2);font-size:14.5px}
.card .kicker{font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent);font-weight:700;margin-bottom:8px}
.card .meta{margin-top:11px;color:var(--ink3);font-size:12.5px}

/* framework tiles */
.fw-tile .code{font-size:12px;font-weight:700;color:var(--gold);letter-spacing:.04em}
.count{color:var(--ink3);font-size:12.5px}

/* article */
.article{max-width:740px;margin:0 auto;padding:36px 22px 10px}
.article .kicker{color:var(--accent);font-weight:700;font-size:12.5px;
  letter-spacing:.06em;text-transform:uppercase}
.article h1{font-size:32px;line-height:1.18;letter-spacing:-.025em;margin:8px 0 10px}
.byline{color:var(--ink3);font-size:14px;margin-bottom:26px;
  border-bottom:1px solid var(--line);padding-bottom:18px}
.prose{font-size:17px;line-height:1.72;color:#26303f}
.prose p{margin:0 0 18px}
.prose h2{font-size:21px;margin:30px 0 12px;letter-spacing:-.01em}
.prose h3{font-size:18px;margin:24px 0 10px}
.prose ul{margin:0 0 18px;padding-left:22px}
.prose li{margin:4px 0}
.prose strong{color:var(--ink)}

/* guide (framework control) */
.guide h2{font-size:19px;margin:28px 0 10px;color:var(--ink)}
.guide .lead{font-size:18px;line-height:1.6;color:#26303f;margin:0 0 8px}
.guide ul{margin:0 0 8px;padding-left:20px}
.guide li{margin:6px 0;color:#26303f}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;margin:18px 0}
.panel.evidence{border-left:3px solid var(--good)}
.panel.pitfalls{border-left:3px solid var(--bad)}
.panel h2{margin-top:0;font-size:15px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--ink3)}

/* breadcrumb */
.crumb{font-size:13px;color:var(--ink3);margin-bottom:14px}
.crumb a{color:var(--ink2)}

/* lists */
.rows{border-top:1px solid var(--line)}
.row{display:flex;gap:14px;padding:15px 2px;border-bottom:1px solid var(--line);
  align-items:baseline}
.row a.t{font-size:16.5px;color:var(--ink);font-weight:600;flex:1}
.row a.t:hover{color:var(--accent)}
.row .m{color:var(--ink3);font-size:13px;white-space:nowrap}

/* control links inside framework */
.ctrls{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.ctrls li{border-bottom:1px solid var(--line)}
.ctrls a{display:flex;gap:12px;padding:14px 4px;align-items:baseline;color:var(--ink)}
.ctrls a:hover{color:var(--accent);text-decoration:none}
.ctrls .ref{font-size:12px;font-weight:700;color:var(--gold);min-width:64px}

/* glossary */
.gloss-groups{columns:2;column-gap:34px}
.gloss-groups .g{break-inside:avoid;margin-bottom:20px}
.gloss-groups h2{font-size:14px;color:var(--accent);margin:0 0 6px;
  border-bottom:1px solid var(--line);padding-bottom:4px}
.gloss-groups ul{list-style:none;margin:0;padding:0}
.gloss-groups li{padding:3px 0;font-size:15px}

/* wire */
.wire-item{background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:14px 16px;margin-bottom:10px}
.wire-item .top{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:5px}
.wire-item .t{font-weight:600;color:var(--ink)}
.tag{font-size:11px;padding:2px 8px;border-radius:5px;background:#eef2f8;
  color:var(--accent-dk);font-weight:600;border:1px solid #dce6f4}
.tag.reg{background:#fdf3e3;color:var(--gold);border-color:#f0e0c0}
.tag.m5{background:#fbe7ec;color:var(--bad);border-color:#f3ccd6}
.tag.m4{background:#fdf0e3;color:#b45309;border-color:#f3ddc0}
.wire-item p{margin:4px 0 0;color:var(--ink2);font-size:14px}

/* pager */
.pager{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0 0;
  padding-top:18px;border-top:1px solid var(--line);align-items:center}
.pager a,.pager span{padding:7px 13px;border-radius:8px;font-size:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink2)}
.pager a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.pager .cur{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:650}

.lede{font-size:17.5px;color:var(--ink2);max-width:64ch;margin:0 0 6px}
.empty{color:var(--ink3);padding:30px 0}

/* --- design pass: icons, artwork, chips, decor ------------------------- */
main,footer.site{position:relative;z-index:1}
.bg-decor{position:fixed;inset:0;z-index:0;pointer-events:none;color:var(--accent)}
.bg-decor span{position:absolute;opacity:.05}
.bg-decor .g1{left:-60px;top:38%;width:190px;height:190px}
.bg-decor .g2{right:-70px;top:72%;width:230px;height:230px}
.bg-decor svg{width:100%;height:100%}

.sec-h h2{display:flex;align-items:center;gap:9px}
.sec-ico{display:inline-flex;width:18px;height:18px;color:var(--accent);flex:none}
.sec-ico svg{width:100%;height:100%}

.hero-in{position:relative}
.hero-art{display:none}
@media (min-width:960px){
  .hero-art{display:block;position:absolute;right:10px;top:50%;
    transform:translateY(-50%);width:330px;height:auto}
  /* Pad the CONTAINER, never the text: with global border-box sizing,
     padding-right on an element that also has max-width comes out of the
     max-width and crushes the copy into a sliver. */
  .hero-in{padding-right:390px}
}

.news-grid{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}
.news-grid .lead{grid-column:span 2}
.news-grid .lead h3{font-size:21px}
.k-ico{display:inline-flex;width:13px;height:13px;margin-right:6px;
  vertical-align:-1px;color:var(--gold)}
.k-ico svg{width:100%;height:100%}

.card{position:relative}
.fw-art{position:absolute;top:16px;right:16px;width:46px;height:46px;
  border-radius:13px;display:flex;align-items:center;justify-content:center}
.fw-art svg{width:26px;height:26px}
.fw-art.t1{background:#e8f1fd;color:#1f5fbf}
.fw-art.t2{background:#fdf3e3;color:#b7791f}
.fw-art.t3{background:#e9f7ef;color:#1f7a4d}
.fw-art.t4{background:#f0ebfa;color:#6b46c1}
.fw-art.t5{background:#fbe9ec;color:#b91c3b}
.fw-art.gold{background:#fdf3e3;color:#b7791f}
.card.fw-tile{padding-right:76px}
.card.featured{border-left:3px solid var(--gold);padding-right:76px}
.card.featured .kicker{color:var(--gold)}

.chiplist{display:flex;flex-wrap:wrap;gap:9px}
.chip{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:14px;color:var(--ink2);font-weight:550}
.chip svg{width:13px;height:13px;color:var(--gold);flex:none}
.chip:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}

.bottom-row{margin-top:8px;align-items:start}

.tier-head{margin:36px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--accent)}
.tier-head h2{margin:0;font-size:19px;letter-spacing:-.01em;color:var(--ink);
  display:inline-flex;align-items:center;gap:10px}
.tier-head p{margin:5px 0 0;color:var(--ink3);font-size:14px;max-width:70ch}
.tier-pill{display:inline-block;margin-left:8px;padding:2px 9px;border-radius:999px;
  background:#fdf3e3;color:var(--gold);border:1px solid #f0e0c0;
  font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  vertical-align:1px}

@media (max-width:820px){
  .grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .gloss-groups{columns:1}
  .hero h1{font-size:27px}
  .article h1{font-size:26px}
  .news-grid{grid-template-columns:1fr}
  .news-grid .lead{grid-column:auto}
  .bg-decor{display:none}
}