style.css

/* ============================================================
   Patchhound — design system v4 "night file"
   Matches checkup.html v2: dark case-file, blood-red accents,
   Instrument Serif display + JetBrains Mono evidence.
   Light "paper" theme retired; blog pages inherit this.
   ============================================================ */

:root{
  --paper:#0C0E12;
  --paper-deep:#090B0F;
  --card:#14171E;
  --card-2:#181C25;
  --ink:#E8EBF0;
  --ink-soft:#C6CCD8;
  --pencil:#939CAE;
  --stamp:#FF4D3D;
  --stamp-dark:#D13A2C;
  --green:#37D67A;
  --tag:#1B202A;
  --line:#262B36;
  --line-hard:#323947;
  --term-bg:#090B0F;
  --term-edge:#262B36;
  --term-fg:#DCE2EC;
  --term-dim:#7A8496;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4), 0 8px 20px -10px rgba(0,0,0,.6);
  --shadow-lg:0 2px 4px rgba(0,0,0,.35), 0 28px 56px -22px rgba(0,0,0,.7);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Public Sans',system-ui,sans-serif;
  font-size:16.5px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
  position:relative;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(rgba(232,235,240,.03) 1px, transparent 1px);
  background-size:26px 26px;
}
header.site,main,.wrap,footer.site{position:relative;z-index:1}

a{color:var(--stamp)}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.mono{font-family:'JetBrains Mono',monospace}
::selection{background:rgba(255,77,61,.28)}

h1,h2,h3{font-weight:400}

/* ---------- masthead ---------- */
header.site{
  border-bottom:1px solid var(--line);
  background:rgba(12,14,18,.85);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  position:sticky;top:0;z-index:50;
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand:hover{text-decoration:none}
.brandmark{
  width:34px;height:34px;flex:none;border:1.5px solid var(--stamp);border-radius:8px;
  display:grid;place-items:center;background:transparent;
  font-family:'JetBrains Mono',monospace;font-weight:700;font-size:17px;color:var(--stamp);
}
.brandname{font-family:'Instrument Serif',Georgia,serif;font-size:21px;color:var(--ink);line-height:1.05}
.brandtag{display:block;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:1.6px;text-transform:uppercase;color:var(--pencil)}
nav.main{display:flex;gap:6px;flex-wrap:wrap;font-size:14px}
nav.main a{
  color:var(--pencil);text-decoration:none;padding:8px 14px;border-radius:8px;
  font-weight:600;border:1px solid transparent;
  transition:color .12s,background .12s,border-color .12s;
}
nav.main a:hover{color:var(--ink);background:var(--tag)}
nav.main a.here{color:var(--ink);border-color:var(--line-hard);background:var(--card)}
nav.main a.cta{color:#fff;background:var(--stamp);border-color:var(--stamp-dark)}
nav.main a.cta:hover{filter:brightness(1.08);color:#fff;background:var(--stamp)}

/* ---------- stamps ---------- */
.stamp{
  display:inline-block;font-family:'JetBrains Mono',monospace;font-weight:600;font-size:11px;
  letter-spacing:1.8px;color:var(--blood,#FF4D3D);color:var(--stamp);
  border:1px solid rgba(255,77,61,.5);
  border-radius:4px;padding:4px 11px;text-transform:uppercase;white-space:nowrap;
  background:rgba(255,77,61,.06);
}
.stamp.green{color:var(--green);border-color:rgba(55,214,122,.45);background:rgba(55,214,122,.06)}
@keyframes stamp-in{
  0%{opacity:0;transform:rotate(-2deg) scale(1.7)}
  60%{opacity:1;transform:rotate(-2deg) scale(.94)}
  100%{opacity:.97;transform:rotate(-2deg) scale(1)}
}
.stamp.animate{animation:stamp-in .38s cubic-bezier(.2,.9,.3,1.2) both}

/* ---------- hero ---------- */
.hero{padding:76px 0 24px;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:52px;align-items:center}
.hero-copy{min-width:0}
.hero-copy .eyebrow{
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:2.4px;
  text-transform:uppercase;color:var(--pencil);
  display:flex;align-items:center;gap:10px;margin-bottom:18px;font-weight:500;
}
.hero-copy .eyebrow::after{content:"";height:1px;background:linear-gradient(90deg,var(--stamp),transparent);flex:1;max-width:110px}
.hero h1{
  font-family:'Instrument Serif',Georgia,serif;font-size:clamp(36px,5vw,58px);
  line-height:1.04;letter-spacing:-.01em;text-wrap:balance;
}
.hero h1 em{font-style:italic;color:var(--stamp)}
.hero .lede{font-size:17px;color:var(--pencil);max-width:560px;margin:22px 0 32px}
.hero .lede strong{color:var(--ink-soft)}

/* ---------- exhibit file ---------- */
.exhibit-file{
  position:relative;background:var(--card);
  border:1px solid var(--line-hard);border-radius:14px;
  box-shadow:var(--shadow-lg);
  overflow:hidden;min-width:0;
}
.exhibit-head{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:14px 18px;border-bottom:1px solid var(--line);
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:1.6px;color:var(--pencil);
}
.exhibit-body{
  padding:16px 18px 18px;font-family:'JetBrains Mono',monospace;font-size:12.3px;line-height:1.9;
  background:var(--term-bg);color:var(--term-fg);
  border-bottom:1px solid var(--line);
  overflow-x:auto;overscroll-behavior-x:contain;
}
.exhibit-body::-webkit-scrollbar{height:8px}
.exhibit-body::-webkit-scrollbar-thumb{background:var(--line-hard);border-radius:4px}
.exhibit-body .add{color:#7EE0A5;font-weight:600}
.exhibit-body .del{color:#FF8A7C;opacity:.85}
.exhibit-body .cm{color:var(--term-dim)}
.exhibit-body .ln{display:block;white-space:nowrap;width:max-content;min-width:100%}
.exhibit-body .cursor{
  display:inline-block;width:8px;height:14px;background:var(--term-fg);
  vertical-align:-2px;margin-left:2px;animation:blink 1.1s steps(1) infinite;
}
@keyframes blink{50%{opacity:0}}
figcaption{
  padding:11px 18px;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:1.6px;
  text-transform:uppercase;color:var(--term-dim);background:var(--card-2);
  border-top:0 !important;
}
figcaption a{color:var(--stamp) !important;text-decoration:none}
figcaption a:hover{text-decoration:underline}
.exhibit-note{margin-top:16px;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--pencil);letter-spacing:.5px;max-width:420px}

/* ---------- ledger strip ---------- */
.ledger{
  margin:48px 0 0;border-block:1px solid var(--line-hard);
  background:var(--card);
  color:var(--ink);position:relative;overflow:hidden;
}
.ledger::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(232,235,240,.04) 1px, transparent 1px);
  background-size:22px 22px;
}
.ledger .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:relative}
.ledger-item{padding:26px 20px;border-left:1px solid var(--line);transition:background .15s}
.ledger-item:hover{background:rgba(232,235,240,.02)}
.ledger-item:first-child{border-left:none}
.ledger-num{font-family:'Instrument Serif',Georgia,serif;font-size:34px;line-height:1.05;font-variant-numeric:tabular-nums}
.ledger-num span{color:var(--stamp)}
.ledger-label{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--pencil);margin-top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font-family:'Public Sans',sans-serif;font-weight:700;font-size:15px;
  padding:12px 24px;border-radius:10px;text-decoration:none;border:1px solid transparent;
  transition:transform .12s ease,box-shadow .12s ease,filter .12s,border-color .12s;letter-spacing:.1px;
}
.btn.solid{
  background:var(--stamp);border-color:var(--stamp-dark);color:#fff;
  box-shadow:0 6px 24px -8px rgba(255,77,61,.5);
}
.btn.solid:hover{filter:brightness(1.08);text-decoration:none;transform:translateY(-1px)}
.btn.quiet{color:var(--ink);background:var(--card);border-color:var(--line-hard)}
.btn.quiet:hover{border-color:var(--pencil);text-decoration:none}
.btn:active{transform:translateY(1px)}

/* ---------- section tabs ---------- */
.tab{
  display:inline-block;font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:2.2px;
  text-transform:uppercase;color:var(--ink);border:1px solid var(--line-hard);border-bottom:none;
  border-radius:9px 9px 0 0;padding:7px 16px;background:var(--card);margin-left:26px;font-weight:600;
}
.secline{border-top:1px solid var(--line-hard);margin-top:64px;position:relative}
section.block{padding:38px 0 10px}
section.block h2{font-family:'Instrument Serif',Georgia,serif;font-size:30px;margin-bottom:14px}
section.block p{max-width:720px;color:var(--ink-soft)}

/* ---------- case cards ---------- */
.case{
  display:block;padding:24px 24px 20px;border:1px solid var(--line);border-radius:12px;
  margin-top:16px;text-decoration:none;background:var(--card);position:relative;overflow:hidden;
  transition:transform .14s ease,box-shadow .14s ease,border-color .14s ease;
}
.case:hover{border-color:rgba(255,77,61,.45);text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.case::before{
  content:"";position:absolute;top:10px;bottom:10px;left:0;width:3px;
  background:var(--line-hard);border-radius:0 3px 3px 0;transition:background .14s,width .14s;
}
.case:hover::before{background:var(--stamp);width:4px}
.case::after{
  content:"READ →";position:absolute;right:22px;bottom:16px;
  font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:1.6px;color:var(--stamp);
  opacity:0;transform:translateX(-6px);transition:opacity .14s,transform .14s;
}
.case:hover::after{opacity:1;transform:none}
.case .no{
  font-family:'Instrument Serif',Georgia,serif;font-size:52px;line-height:1;
  position:absolute;right:18px;top:8px;color:rgba(232,235,240,.05);pointer-events:none;user-select:none;
}
.case .row{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;position:relative}
.case .row .fileno{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--pencil);white-space:nowrap;letter-spacing:1px}
.case h3{font-family:'Instrument Serif',Georgia,serif;font-size:24px;line-height:1.25;max-width:620px;color:var(--ink)}
.case p.sum{color:var(--pencil);font-size:15px;margin-top:8px;max-width:620px}
.case .meta{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--pencil);margin-top:12px;letter-spacing:.4px}
.case .stamp{position:absolute;top:20px;right:20px;z-index:1}
.case .stamp:position{top:64px}

/* ---------- exhibits inside articles ---------- */
figure.exhibit{
  margin:26px 0;border:1px solid var(--line);border-radius:12px;background:var(--term-bg);overflow:hidden;
  box-shadow:var(--shadow-sm);
}
figure.exhibit pre{
  background:var(--term-bg);color:var(--term-fg);margin:0;border-radius:0;padding:18px 20px;overflow-x:auto;
  font-family:'JetBrains Mono',monospace;font-size:13px;line-height:1.8;
}
figure.exhibit pre code{background:none;padding:0;font-size:inherit}
figure.exhibit pre .add{color:#7EE0A5;font-weight:600}
figure.exhibit pre .del{color:#FF8A7C;opacity:.85}
figure.exhibit pre .cm{color:var(--term-dim)}
article.post figure.exhibit figcaption{padding:10px 18px}

/* ---------- article ---------- */
article.post{max-width:740px}
article.post h1{font-family:'Instrument Serif',Georgia,serif;font-size:clamp(31px,4.4vw,44px);line-height:1.08;margin:14px 0 12px}
article.post .meta{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--pencil);padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:30px;letter-spacing:.4px}
article.post p{margin:20px 0;color:var(--ink-soft);max-width:700px}
article.post h2{font-family:'Instrument Serif',Georgia,serif;font-size:27px;margin:40px 0 10px;color:var(--ink)}
article.post blockquote{
  background:var(--card);border-left:3px solid var(--stamp);padding:16px 20px;margin:26px 0;
  font-family:'JetBrains Mono',monospace;font-size:14px;color:var(--ink-soft);border-radius:0 9px 9px 0;
}
article.post code{font-family:'JetBrains Mono',monospace;font-size:.92em;background:var(--tag);padding:1px 5px;border-radius:4px;overflow-wrap:anywhere;color:var(--ink)}
.stamp{overflow-wrap:anywhere}
.stamp-wrap{white-space:normal;line-height:1.6;display:inline-block}
.crumb{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--pencil);padding:18px 0 0}
.crumb a{color:var(--pencil)}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:44px;padding-top:20px;border-top:1px solid var(--line);font-size:14.5px}
.pager a{color:var(--ink-soft)}

/* ---------- verdict box ---------- */
.verdict-box{
  margin:34px 0 8px;border:1px solid rgba(55,214,122,.4);border-radius:12px;background:rgba(55,214,122,.05);
  padding:20px 22px;
}
.verdict-box h2{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--green);margin:0 0 8px}
.verdict-box p{margin:8px 0;font-size:15px}

/* ---------- offers ---------- */
.offer{
  border:1px solid var(--line-hard);border-radius:14px;padding:28px;margin-top:20px;background:var(--card);
  position:relative;transition:transform .14s,box-shadow .14s,border-color .14s;
}
.offer:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:rgba(255,77,61,.4)}
.offer.hot{background:var(--card-2);border-color:rgba(255,77,61,.5);box-shadow:var(--shadow-sm),var(--shadow-lg)}
.offer h3{font-family:'Instrument Serif',Georgia,serif;font-size:26px;font-weight:400}
.offer .price{font-family:'JetBrains Mono',monospace;font-size:14px;color:var(--stamp);margin:7px 0 14px;letter-spacing:.3px}
.offer ul{list-style:none;margin-top:8px;max-width:640px}
.offer li{padding:6px 0 6px 26px;position:relative;color:var(--ink-soft);font-size:15px}
.offer li::before{content:"—";position:absolute;left:2px;color:var(--stamp);font-weight:700}
.offer .stamp{position:absolute;top:24px;right:24px}
.offer .btn{margin-top:14px}

/* ---------- method gate ---------- */
.gate{list-style:none;counter-reset:lvl;max-width:720px}
.gate li{
  counter-increment:lvl;position:relative;padding:18px 0 18px 74px;
  border-bottom:1px solid var(--line);
}
.gate li:last-child{border-bottom:none}
.gate li::before{
  content:"L" counter(lvl);position:absolute;left:0;top:20px;
  width:52px;height:34px;display:grid;place-items:center;
  font-family:'JetBrains Mono',monospace;font-weight:700;font-size:14px;
  color:var(--stamp);background:rgba(255,77,61,.07);border:1px solid rgba(255,77,61,.45);border-radius:8px;
}
.gate h3{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:21px;margin-bottom:4px;color:var(--ink)}
.gate p{color:var(--pencil);font-size:15px;margin:0}
.gate strong{color:var(--ink)}

/* ---------- faq ---------- */
.faq dt{font-family:'Instrument Serif',Georgia,serif;font-size:20.5px;margin-top:22px;color:var(--ink)}
.faq dd{color:var(--ink-soft);margin:6px 0 0;max-width:700px;font-size:15.5px}

/* ---------- contact band ---------- */
.contact-band{
  margin-top:72px;border:1px solid rgba(255,77,61,.4);border-radius:14px;
  background:linear-gradient(135deg,var(--card-2) 0%,#171219 100%);
  padding:34px 34px 30px;display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap;
  box-shadow:var(--shadow-sm),var(--shadow-lg);position:relative;overflow:hidden;
}
.contact-band::before{
  content:"CASE OPEN?";position:absolute;right:-14px;bottom:-18px;
  font-family:'Instrument Serif',Georgia,serif;font-size:74px;color:rgba(232,235,240,.04);
  pointer-events:none;user-select:none;white-space:nowrap;
}
.contact-band h2{font-family:'Instrument Serif',Georgia,serif;font-size:29px;font-weight:400;margin-bottom:6px}
.contact-band p{color:var(--pencil);font-size:15.5px;max-width:520px;margin:0}

/* ---------- footer ---------- */
footer.site{margin-top:80px;border-top:1px solid var(--line);padding:36px 0 44px;background:var(--paper-deep)}
footer.site .cols{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}
footer.site .fbrand{font-family:'Instrument Serif',Georgia,serif;font-size:19px;color:var(--ink)}
footer.site .ftag{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:1.8px;text-transform:uppercase;color:var(--pencil);margin-top:4px}
footer.site .fcol{font-size:13.5px;color:var(--pencil);min-width:150px}
footer.site .fcol strong{display:block;color:var(--ink);font-size:11.5px;letter-spacing:1.6px;text-transform:uppercase;font-family:'JetBrains Mono',monospace;margin-bottom:8px}
footer.site .fcol a{display:block;color:var(--pencil);text-decoration:none;padding:2.5px 0}
footer.site .fcol a:hover{color:var(--stamp)}
footer.site .legal{margin-top:30px;padding-top:16px;border-top:1px dashed var(--line);font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--pencil);letter-spacing:.6px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .hero{grid-template-columns:1fr;gap:38px;padding-top:48px}
  .exhibit-note{max-width:none}
  .ledger .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ledger-item:nth-child(odd){border-left:none}
  .ledger-item:nth-child(n+3){border-top:1px solid var(--line)}
}
@media(max-width:560px){
  .wrap{padding:0 18px}
  header.site .wrap{justify-content:center}
  nav.main{justify-content:center}
  .brandtag{display:none}
  .hero{padding-top:36px}
  .hero h1{font-size:clamp(29px,8.4vw,36px)}
  .hero .lede{font-size:16px}
  .exhibit-body{font-size:11.3px;padding:14px}
  .exhibit-head{padding:12px 14px 10px;letter-spacing:.8px}
  .case{padding:20px 16px 18px}
  .case .no{font-size:38px}
  .case .stamp{position:static;display:inline-block;margin-bottom:8px}
  .contact-band{padding:26px 20px}
  .contact-band::before{display:none}
}
:focus-visible{outline:2px solid var(--stamp);outline-offset:2px;border-radius:2px}