:root{
  --ink:#0B0E14; --ink-2:#141926; --ink-3:#1B2231; --line:#232A3A;
  --line-soft:rgba(35,42,58,.6); --txt:#EDEFF4; --mute:#7C8598; --mute-2:#A8B0C0;
  --seal:#27E1A4; --seal-deep:#0FA075; --alert:#FF6B5B; --amber:#FFC24B;
  --code-bg:#0A0D13; --code-txt:#CDD4E0; --code-accent:#7CA9FF;
  --paper:#F5F2EA; --paper-line:#E4DECF;
  --sans:"Inter",system-ui,-apple-system,sans-serif;
  --display:"Space Grotesk","Inter",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--txt);font-family:var(--sans);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--seal);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 1.5rem}
.narrow{max-width:760px}

/* nav */
header.nav{position:sticky;top:0;z-index:50;background:rgba(11,14,20,.86);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:1.4rem;height:58px}
.brand{font-family:var(--display);font-weight:700;letter-spacing:-.01em;
  font-size:1.02rem;color:var(--txt);display:flex;align-items:center;gap:.55rem}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--seal);
  box-shadow:0 0 12px rgba(39,225,164,.65)}
.brand span.sub{color:var(--mute);font-weight:500}
nav.links{display:flex;gap:1.1rem;margin-left:auto;flex-wrap:wrap}
nav.links a{color:var(--mute-2);font-size:.87rem;font-weight:450}
nav.links a:hover,nav.links a.on{color:var(--txt);text-decoration:none}
nav.links a.on{color:var(--seal)}

/* hero + sections */
.hero{padding:4.2rem 0 2.6rem;border-bottom:1px solid var(--line)}
h1{font-family:var(--display);font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.1;
  letter-spacing:-.025em;margin:.6rem 0 .9rem;font-weight:700}
h2{font-family:var(--display);font-size:1.32rem;letter-spacing:-.015em;
  margin:2.8rem 0 .8rem;font-weight:600}
h3{font-family:var(--display);font-size:1.02rem;margin:1.8rem 0 .5rem;font-weight:600}
p{margin:0 0 1rem;color:var(--mute-2)}
p.lead{font-size:1.09rem;color:var(--txt);max-width:62ch}
section{padding:2.2rem 0}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--seal);font-weight:500}

/* badges */
.badges{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.3rem 0 0}
.badge{font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;
  padding:.32rem .62rem;border-radius:4px;border:1px solid var(--line);
  background:var(--ink-2);color:var(--mute-2)}
.badge.warn{border-color:rgba(255,194,75,.4);color:var(--amber);
  background:rgba(255,194,75,.07)}
.badge.ok{border-color:rgba(39,225,164,.35);color:var(--seal);
  background:rgba(39,225,164,.07)}
.badge.no{border-color:rgba(255,107,91,.4);color:var(--alert);
  background:rgba(255,107,91,.07)}

/* cards + stats */
.grid{display:grid;gap:1rem}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.card{background:var(--ink-2);border:1px solid var(--line);border-radius:9px;
  padding:1.2rem 1.3rem}
.card h3{margin-top:0}
.card p:last-child{margin-bottom:0}
.stat{background:var(--ink-2);border:1px solid var(--line);border-radius:9px;
  padding:1rem 1.1rem}
.stat .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--mute)}
.stat .v{font-family:var(--display);font-size:1.75rem;font-weight:700;
  letter-spacing:-.02em;margin:.3rem 0 .1rem}
.stat .v small{font-size:.95rem;font-weight:500;color:var(--mute-2)}
.stat .n{font-size:.78rem;color:var(--mute)}
.stat.good .v{color:var(--seal)}
.stat.bad .v{color:var(--alert)}

/* tables */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:9px;
  background:var(--ink-2);margin:1rem 0 1.6rem}
table{border-collapse:collapse;width:100%;font-size:.84rem;
  font-family:var(--sans)}
th,td{padding:.6rem .8rem;text-align:left;border-bottom:1px solid var(--line-soft);
  vertical-align:top}
th{font-family:var(--mono);font-size:.7rem;letter-spacing:.07em;
  text-transform:uppercase;color:var(--mute);font-weight:500;
  background:var(--ink-3);white-space:nowrap}
tbody tr:last-child td{border-bottom:none}
td.num,th.num{font-family:var(--mono);font-variant-numeric:tabular-nums;
  white-space:nowrap}
td.good{color:var(--seal)} td.bad{color:var(--alert)}
caption{caption-side:top;text-align:left;padding:.85rem .8rem .2rem;
  font-family:var(--display);font-weight:600;font-size:.95rem}

/* callout */
.note{border-left:2px solid var(--line);padding:.1rem 0 .1rem 1rem;
  color:var(--mute);font-size:.88rem;margin:1.2rem 0}
.note.seal{border-color:var(--seal-deep)}
.note.amber{border-color:var(--amber)}
.note strong{color:var(--txt);font-weight:600}

/* media */
figure{margin:1.4rem 0}
figure img{width:100%;height:auto;display:block;border:1px solid var(--line);
  border-radius:9px;background:#fff}
figcaption{font-size:.8rem;color:var(--mute);margin-top:.55rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--sans);
  font-size:.88rem;font-weight:500;padding:.62rem 1.05rem;border-radius:7px;
  border:1px solid var(--line);background:var(--ink-2);color:var(--txt)}
.btn:hover{border-color:var(--mute);text-decoration:none}
.btn.primary{background:var(--seal);border-color:var(--seal);color:#06251C;
  font-weight:600}
.btn.primary:hover{background:#3AEBB2;border-color:#3AEBB2}
.btns{display:flex;gap:.7rem;flex-wrap:wrap;margin:1.6rem 0 0}

/* report paper */
.paper{background:var(--paper);color:#1f2937;border-radius:9px;
  padding:2.6rem 2.4rem 3.2rem;margin:1.4rem 0;
  font-family:Georgia,"Times New Roman",serif;line-height:1.58}
.paper .page{max-width:none}
.paper h1{font-family:Georgia,serif;font-size:1.55rem;color:#111827;margin:0 0 .3rem}
.paper h2{font-family:Georgia,serif;font-size:1.12rem;color:#111827;
  margin:2.3rem 0 .55rem;padding-bottom:.28rem;border-bottom:1px solid var(--paper-line)}
.paper h3,.paper h4{font-family:Georgia,serif;color:#111827;font-size:1rem;
  margin:1.5rem 0 .4rem}
.paper p{color:#1f2937;margin:0 0 .8rem}
.paper ul{margin:0 0 1rem 1.1rem;padding:0}
.paper li{margin:0 0 .42rem;color:#1f2937}
.paper .tw,.paper table{background:transparent;border:none;margin:0}
.paper table{font-family:system-ui,sans-serif;font-size:.78rem;margin:.3rem 0 1.2rem}
.paper th,.paper td{border:1px solid var(--paper-line);color:#1f2937;
  background:transparent}
.paper th{background:#EDE8DC;text-transform:none;font-family:system-ui,sans-serif;
  letter-spacing:0;font-size:.78rem;color:#374151}
.paper caption{font-family:system-ui,sans-serif;color:#111827}
.paper .status{display:inline-block;padding:.18rem .55rem;border-radius:3px;
  background:#FDF0C8;color:#92400e;font-family:system-ui,sans-serif;
  font-size:.68rem;letter-spacing:.05em;text-transform:uppercase}
.paper .meta{font-family:system-ui,sans-serif;font-size:.78rem;color:#6b7280;
  margin:.55rem 0 1.8rem}
.paper .note{border-left:2px solid var(--paper-line);color:#6b7280;
  font-family:system-ui,sans-serif;font-size:.76rem}
.paper .sign{margin-top:2.6rem;border:1px solid #d6d0c2;border-radius:5px;
  padding:1.1rem 1.3rem;background:#FBF9F4}
.paper .sign .line{border-bottom:1px solid #9ca3af;height:1.9rem;margin:1.4rem 0 .25rem}
.paper .sign .cap,.paper footer{font-family:system-ui,sans-serif;font-size:.72rem;
  color:#6b7280}
.paper footer{margin-top:2.4rem;padding-top:.9rem;border-top:1px solid var(--paper-line)}
.paper code{font-family:var(--mono);font-size:.76em;background:#EDE8DC;
  padding:.08rem .25rem;border-radius:2px;color:#374151}
.paper strong{color:#111827}

/* player */
.player{background:var(--ink-2);border:1px solid var(--line);border-radius:11px;
  padding:1rem;margin:1.4rem 0}
.player canvas{width:100%;height:auto;display:block;border-radius:7px;background:#fff}
.bar{display:flex;gap:.6rem;align-items:center;margin:.85rem .1rem .1rem}
.bar input[type=range]{flex:1;accent-color:var(--seal)}
.clock{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:.82rem;
  color:var(--mute-2);min-width:7.2rem;text-align:right}
.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin:.9rem .1rem 0}
.chip{font-family:var(--mono);font-size:.72rem;padding:.34rem .62rem;border-radius:5px;
  border:1px solid var(--line);background:var(--ink-3);color:var(--mute-2);
  cursor:pointer}
.chip:hover{color:var(--txt);border-color:var(--mute)}
.chip.on{border-color:var(--seal);color:var(--seal)}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:3.5rem;padding:2.2rem 0 3rem;
  color:var(--mute);font-size:.82rem}
footer.site p{color:var(--mute);font-size:.82rem}
footer.site strong{color:var(--mute-2)}

@media (max-width:640px){
  .nav-in{height:auto;padding:.7rem 0;flex-wrap:wrap;gap:.7rem}
  nav.links{margin-left:0;width:100%}
  .paper{padding:1.6rem 1.2rem 2.2rem}
  .hero{padding:2.6rem 0 2rem}
}