/* Automotive Diagnostic Podcast — design tokens
   Paper-and-graphite industrial; signal amber accent; mono data labels. */
:root{
  --paper:#F6F6F4; --ink:#121316; --panel:#0D0E11; --steel:#4A5260;
  --line:#DDDED9; --chrome:#C9CDD3;
  --yellow:#F9CD11; --orange:#FB9410; --red:#FA2112;
  --amber:#F9CD11; --amber-deep:#9A6A00; --red-deep:#C41507;
  --grad:linear-gradient(90deg,#F9CD11 0%,#FB9410 50%,#FA2112 100%);
  --maxw:1060px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:'Archivo',system-ui,sans-serif;font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased}
a{color:inherit}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
header.site{background:var(--panel);color:var(--paper);position:sticky;top:0;z-index:50;
  border-bottom:2.5px solid transparent;border-image:var(--grad) 1}
.nav{display:flex;align-items:center;gap:26px;height:60px}
.brand{font-weight:800;font-stretch:115%;letter-spacing:.01em;text-decoration:none;font-size:17px}
.brand b{color:var(--yellow)}
.nav a.lnk{font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.08em;
  text-transform:uppercase;text-decoration:none;color:#C8CCD2;padding:4px 0}
.nav a.lnk:hover,.nav a.lnk[aria-current]{color:var(--yellow)}
.nav .spacer{flex:1}

/* ---------- hero ---------- */
.hero{background:var(--panel);color:var(--paper);padding:64px 0 0;overflow:hidden}
.hero h1{font-size:clamp(34px,6vw,62px);line-height:1.02;margin:0 0 18px;
  font-weight:900;font-stretch:120%;letter-spacing:-.01em;text-transform:uppercase}
.hero h1 .amp{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lede{max-width:560px;color:#B9BEC6;font-size:18px;margin:0 0 30px}
.hero .stat{font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--yellow);margin-bottom:14px}
.scopeband{display:block;width:100%;height:84px;margin-top:34px}
.scopeband path{fill:none;stroke:url(#tracegrad);stroke-width:2.5;
  stroke-dasharray:3000;stroke-dashoffset:3000;animation:trace 2.6s ease-out forwards}
.scopeband .gridl{stroke:#23262C;stroke-width:1;stroke-dasharray:none;animation:none;stroke-dashoffset:0}
@keyframes trace{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.scopeband path{animation:none;stroke-dashoffset:0}}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:13px;
  letter-spacing:.08em;text-transform:uppercase;text-decoration:none;
  padding:12px 22px;border:1.5px solid var(--yellow);color:var(--yellow);border-radius:3px}
.btn.solid{background:var(--grad);color:#0D0E11;font-weight:600;border:none;padding:13.5px 23.5px}
.btn:hover{background:var(--yellow);color:#0D0E11}
.btn.solid:hover{filter:brightness(1.1)}

/* ---------- sections ---------- */
section.block{padding:56px 0}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--amber-deep);margin:0 0 8px}
h2.sect{font-size:clamp(24px,3.6vw,34px);font-weight:800;font-stretch:115%;
  text-transform:uppercase;margin:0 0 26px;letter-spacing:0}

/* ---------- episode cards / rows ---------- */
.epcard{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px 28px}
.epnum{font-family:'IBM Plex Mono',monospace;font-weight:600;color:var(--amber-deep);
  font-size:13px;letter-spacing:.1em}
.epmeta{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--steel);letter-spacing:.04em}
.eprow{display:grid;grid-template-columns:86px 1fr;gap:18px;padding:20px 4px;
  border-bottom:1px solid var(--line);align-items:baseline}
.eprow .n{font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:20px;color:var(--amber-deep)}
.eprow h3{margin:0 0 4px;font-size:18px;font-weight:700;line-height:1.3}
.eprow h3 a{text-decoration:none}
.eprow h3 a:hover{color:var(--red-deep);text-decoration:underline}
.eprow p{margin:6px 0 8px;color:var(--steel);font-size:15px}
@media(max-width:560px){.eprow{grid-template-columns:1fr}.eprow .n{font-size:15px}}

/* ---------- chips ---------- */
.chip{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:11px;
  letter-spacing:.07em;text-transform:uppercase;text-decoration:none;
  border:1px solid var(--line);background:#fff;color:var(--steel);
  padding:3px 9px;border-radius:3px;margin:2px 4px 2px 0}
.chip-make{border-left:3px solid var(--orange)}
.chip:hover{border-color:var(--orange);color:var(--ink)}

/* ---------- archive filters ---------- */
.filters{background:#fff;border:1px solid var(--line);border-radius:6px;padding:20px 22px;margin-bottom:8px}
.filters input[type=search]{width:100%;font:inherit;padding:11px 14px;border:1.5px solid var(--line);
  border-radius:4px;background:var(--paper);margin-bottom:16px}
.filters input[type=search]:focus{outline:2px solid var(--orange);border-color:var(--orange)}
.fgroup{margin-bottom:10px}
.fgroup .lab{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--steel);margin:0 10px 6px 0;display:inline-block}
.fchip{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;
  border:1px solid var(--line);background:var(--paper);color:var(--steel);
  padding:5px 11px;border-radius:99px;margin:0 6px 6px 0;cursor:pointer}
.fchip[aria-pressed=true]{background:var(--ink);color:var(--yellow);border-color:var(--ink)}
.count{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--steel);
  letter-spacing:.06em;margin:14px 0 4px}

/* ---------- episode page ---------- */
.ephead{background:var(--panel);color:var(--paper);padding:48px 0 40px}
.ephead h1{font-size:clamp(26px,4.4vw,42px);font-weight:900;font-stretch:115%;line-height:1.08;margin:10px 0 14px}
.ephead .epmeta{color:#A8AEB7}
.player{margin:28px 0 6px}
audio{width:100%;}
.notes{max-width:740px;font-size:17px}
.notes a{color:var(--red-deep)}
.epnav{display:block;text-decoration:none;font-size:14.5px;color:var(--steel);
  padding:14px 0;border-top:1px solid var(--line)}
.epnav:hover{color:var(--ink)}
.epnav-r{text-align:right}

/* ---------- divider waveform (light sections) ---------- */
.divwave{display:block;width:100%;height:30px;margin:6px 0}
.divwave path{fill:none;stroke:var(--orange);stroke-width:2}

/* ---------- listen grid ---------- */
.plat{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.plat a{display:block;background:#fff;border:1px solid var(--line);border-radius:6px;
  padding:18px 20px;text-decoration:none;font-weight:700}
.plat a span{display:block;font-family:'IBM Plex Mono',monospace;font-weight:400;
  font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);margin-top:4px}
.plat a:hover{border-color:var(--orange)}

/* ---------- footer ---------- */
footer.site{background:var(--panel);color:#A8AEB7;margin-top:70px;padding:42px 0;font-size:14.5px}
footer.site a{color:#D5D9DF}
footer.site .mono{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--yellow)}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

/* ---------- hero artwork ---------- */
.herogrid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center}
.heroart{width:100%;max-width:360px;border-radius:10px;display:block;justify-self:end;
  border:1px solid #23262C;box-shadow:0 18px 50px rgba(0,0,0,.45)}
@media(max-width:760px){.herogrid{grid-template-columns:1fr}
  .heroart{justify-self:start;max-width:240px;order:-1;margin-bottom:6px}}
.brandmark{width:34px;height:34px;border-radius:6px;display:block}
.brandwrap{display:flex;align-items:center;gap:11px;text-decoration:none}
.ephead .epnum,.hero .stat{color:var(--yellow)}
.epnum{color:var(--amber-deep)}
.ephead{background:var(--panel)}

@media(max-width:640px){.brand{font-size:13.5px;letter-spacing:0}.nav{gap:16px}}