/* kinetis.online: self-contained stylesheet, system fonts only, no external resources */
:root{
  --c-bg:#0e1116;--c-surface:#171b22;--c-soft:#1d222b;--c-line:#2a303a;
  --c-ink:#e6e9ef;--c-muted:#98a2b3;--c-brand:#3dd68c;--c-brand-ink:#06140d;--c-warn:#ffb020;
  --f-body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --f-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --radius:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font:1.05rem/1.7 var(--f-body);min-height:100vh;display:flex;flex-direction:column}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--c-brand)}
a:hover{text-decoration-thickness:2px}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em;color:#fff}
h1{font-size:clamp(1.7rem,1.3rem + 1.8vw,2.5rem);margin:.2em 0 .5em}
h2{font-size:1.45rem;margin:2em 0 .6em;scroll-margin-top:80px}
h3{font-size:1.1rem;margin:1.2em 0 .4em}
code,kbd{font-family:var(--f-mono);font-size:.9em;background:var(--c-soft);border:1px solid var(--c-line);border-radius:5px;padding:0 .3em}
section{scroll-margin-top:80px}

.topbar{background:var(--c-soft);border-bottom:1px solid var(--c-line);color:var(--c-muted);font-size:.82rem;line-height:1.45;text-align:center;padding:8px 16px}
.nav{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 20px;padding:12px clamp(16px,3vw,40px);background:color-mix(in srgb,var(--c-bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:#fff;text-decoration:none}
.nav nav{display:flex;flex-wrap:wrap;gap:4px 18px;font-size:.95rem}
.nav nav a{color:var(--c-ink);text-decoration:none}
.nav nav a:hover{color:var(--c-brand)}

.wrap{flex:1;width:100%;max-width:1320px;margin:0 auto;padding:28px clamp(16px,3vw,40px) 60px;display:grid;grid-template-columns:240px minmax(0,1fr) 280px;gap:40px}
.wrap.no-l{grid-template-columns:minmax(0,1fr) 280px}
.wrap.no-r{grid-template-columns:240px minmax(0,1fr)}
.wrap.no-l.no-r{grid-template-columns:minmax(0,760px);justify-content:center}
.main{min-width:0;max-width:760px}
.rail{font-size:.92rem}
.sticky{position:sticky;top:84px}
.rail-h{font-size:1rem;margin:0 0 .6em}
.toc{margin:0;padding-left:1.2em}
.toc li{margin:.25em 0}
.toc a{color:var(--c-ink);text-decoration:none}
.toc a:hover{color:var(--c-brand)}
.facts{padding-left:1.1em;color:var(--c-muted)}

.box{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius);padding:18px 20px}
.box h2:first-child,.box h3:first-child{margin-top:0}
.keypoints{border-left:4px solid var(--c-brand);margin:28px 0}
.disclosure{background:color-mix(in srgb,var(--c-warn) 10%,var(--c-surface));border:1px solid color-mix(in srgb,var(--c-warn) 45%,var(--c-line));border-radius:var(--radius);padding:14px 18px;font-size:.93rem;line-height:1.55;margin:0 0 18px}
.byline,.eff{color:var(--c-muted);font-size:.9rem;margin:0 0 18px}
.lede{font-size:1.15rem;color:var(--c-ink)}
.note{border-left:3px solid var(--c-warn);padding:6px 14px;color:var(--c-muted);font-size:.93rem;background:var(--c-soft);border-radius:0 8px 8px 0}
.small{font-size:.88rem;color:var(--c-muted)}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:18px 0}

.fig{margin:28px 0}
.fig img{width:100%;border-radius:var(--radius);border:1px solid var(--c-line);background:var(--c-surface)}
.fig figcaption{font-size:.87rem;color:var(--c-muted);margin-top:8px}
.orig{font-style:italic}

.cta{margin:26px 0}
.btn{display:inline-flex;flex-direction:column;align-items:center;gap:2px;padding:12px 26px;border-radius:10px;font-weight:700;text-decoration:none;text-align:center;line-height:1.3}
.btn-solid{background:var(--c-brand);color:var(--c-brand-ink)}
.btn-solid:hover{background:#5fe3a3}
.btn-outline{border:2px solid var(--c-brand);color:var(--c-brand)}
.btn-l{font-size:1.1rem;padding:15px 34px}
.btn-full{width:100%}
.pl{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;opacity:.8}
.cta-note{font-size:.8rem;color:var(--c-muted);margin:6px 0 0;line-height:1.45}

details{border:1px solid var(--c-line);border-radius:10px;padding:10px 16px;margin:10px 0;background:var(--c-surface)}
summary{cursor:pointer;font-weight:600}
.sources{font-size:.9rem;color:var(--c-muted)}
.sources li{margin:.4em 0;overflow-wrap:anywhere}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px;margin-top:20px}
.card{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;color:var(--c-ink);text-decoration:none}
.card:hover{border-color:var(--c-brand)}
.card h2{font-size:1.1rem;margin:14px 16px 6px}
.card p{margin:0 16px 16px;font-size:.92rem;color:var(--c-muted)}

.kv{border-collapse:collapse;width:100%;margin:10px 0 20px}
.kv th,.kv td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--c-line);vertical-align:top}
.kv th{width:40%;color:var(--c-muted);font-weight:500}
address{font-style:normal}

.foot{border-top:1px solid var(--c-line);background:var(--c-surface);padding:28px clamp(16px,3vw,40px);font-size:.87rem;color:var(--c-muted)}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 20px;margin-bottom:14px}
.foot-links a{color:var(--c-ink)}
.foot p{margin:6px 0;max-width:1000px}

.bridge .main{margin:18vh auto;padding:0 16px;text-align:center}

@media (max-width:1100px){
  .wrap,.wrap.no-l,.wrap.no-r{grid-template-columns:minmax(0,1fr)}
  .rail-l{display:none}
  .main{max-width:none}
  .sticky{position:static}
}
@media (max-width:640px){.twocol{grid-template-columns:1fr}.nav{position:static}}