/* DR_RG Hub — drawing-sheet layout: structural grid axes frame the page, a title block anchors the cover, sections carry sheet numbers. */
:root{
  --paper:#EDF0EF; --sheet:#F7F9F8; --ink:#18212C; --ink-2:#4B5866; --line:#C5CED2; --grid:rgba(47,93,168,.07);
  --blue:#2F5DA8; --mark:#E2A92B; --ok:#2E7D5B; --warn:#B7791F; --muted:#8793A0;
  --f-display:"Archivo","Noto Sans SC",system-ui,sans-serif;
  --f-body:"Noto Sans SC","Archivo",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0C1726; --sheet:#112036; --ink:#DCE6F2; --ink-2:#9FB0C4; --line:#24395A; --grid:rgba(150,190,255,.06);
  --blue:#7FA8EC; --mark:#F0BF4C; --ok:#5CC497; --warn:#E5A54B; --muted:#6F84A0; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0C1726; --sheet:#112036; --ink:#DCE6F2; --ink-2:#9FB0C4; --line:#24395A; --grid:rgba(150,190,255,.06);
  --blue:#7FA8EC; --mark:#F0BF4C; --ok:#5CC497; --warn:#E5A54B; --muted:#6F84A0; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:15px;line-height:1.6;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:24px 24px}
img{max-width:100%}
[hidden]{display:none!important}
a{color:var(--blue)}
:focus-visible{outline:2px solid var(--mark);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:20px 48px}

/* top bar */
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:6px 18px;border-bottom:1.5px solid var(--ink)}
.brand{display:flex;align-items:baseline;gap:12px;text-decoration:none;color:inherit}
.brand b{font-family:var(--f-display);font-stretch:125%;font-weight:800;font-size:22px;letter-spacing:.02em}
.brand span{font-family:var(--f-mono);font-size:12px;color:var(--ink-2)}
.nav{display:flex;gap:4px;flex-wrap:wrap;align-items:center}
.nav a,.nav button{font:500 13px/1 var(--f-body);color:var(--ink-2);background:none;border:1px solid transparent;padding:8px 12px;cursor:pointer;display:flex;gap:8px;align-items:center;text-decoration:none}
.nav small{font-family:var(--f-mono);font-size:10.5px;color:var(--muted)}
.nav a:hover,.nav button:hover{color:var(--ink);border-color:var(--line)}
.nav a[aria-current="page"]{color:var(--ink);border-color:var(--ink);background:var(--sheet)}
.nav a[aria-current="page"] small{color:var(--blue)}

/* axis ruler */
.axes{display:grid;grid-template-columns:repeat(5,1fr);margin-top:14px;font-family:var(--f-mono);font-size:11px;color:var(--muted)}
.axes span{border-left:1px dashed var(--line);padding-left:6px;position:relative}
.axes span::before{content:"";display:inline-block;width:16px;height:16px;border:1px solid var(--muted);border-radius:50%;vertical-align:middle;margin-right:6px;margin-left:-14px;background:var(--paper)}

section{scroll-margin-top:16px}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:24px;align-items:end;padding-block:28px 12px}
.eyebrow{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
h1{font-family:var(--f-display);font-stretch:118%;font-weight:750;font-size:clamp(34px,6vw,64px);line-height:1.02;margin:10px 0 14px;letter-spacing:-.01em;text-wrap:balance}
h1 em{font-style:normal;background:linear-gradient(transparent 62%,color-mix(in srgb,var(--mark) 55%,transparent) 62%)}
.lede{max-width:56ch;color:var(--ink-2);margin:0}
h2{font-family:var(--f-display);font-stretch:112%;font-weight:700;font-size:24px;margin:0;text-wrap:balance}
h3{font-size:15px;margin:0;font-weight:700}

/* title block */
.tblock{border:1.5px solid var(--ink);background:var(--sheet);font-family:var(--f-mono);font-size:11.5px;margin:0}
.tblock div{display:grid;grid-template-columns:96px 1fr;border-bottom:1px solid var(--line)}
.tblock div:last-child{border-bottom:none}
.tblock dt,.tblock dd{margin:0;padding:7px 10px}
.tblock dt{color:var(--muted);border-right:1px solid var(--line);text-transform:uppercase;letter-spacing:.06em}

.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.panel{background:var(--sheet);border:1px solid var(--line);padding:18px;min-width:0}
.panel-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap}
.head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:40px 0 14px;flex-wrap:wrap}
.head p{margin:0;color:var(--ink-2);font-size:13.5px}
.row{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;padding:2px 7px;border:1px solid var(--line);color:var(--ink-2);white-space:nowrap}
.tag.ex{border-style:dashed}
.tag.live{color:var(--ok);border-color:var(--ok)}
.tag.p2{color:var(--warn);border-color:var(--warn)}
.tag.where{color:var(--blue);border-color:var(--blue)}

/* architecture plates */
.plate{display:flex;flex-direction:column;background:var(--sheet);border:1px solid var(--line);min-width:0}
.plate canvas{display:block;width:100%;aspect-ratio:4/3;max-width:100%;border-bottom:1px solid var(--line)}
.plate .meta{padding:14px 16px;display:flex;flex-direction:column;gap:6px}
.plate .meta p{margin:0;color:var(--ink-2);font-size:13px}
.scale{display:flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:10.5px;color:var(--muted)}
.scale i{display:inline-flex;height:6px;width:80px;border:1px solid var(--muted);background:linear-gradient(90deg,var(--muted) 25%,transparent 25% 50%,var(--muted) 50% 75%,transparent 75%)}
.chip{font:500 12.5px/1 var(--f-body);padding:7px 11px;border:1px solid var(--line);background:var(--sheet);color:var(--ink-2);cursor:pointer}
.chip[aria-pressed="true"]{border-color:var(--ink);color:var(--ink);background:color-mix(in srgb,var(--mark) 22%,var(--sheet))}

/* apps */
.app{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;align-items:start}
.glyph{width:44px;height:44px;border:1.5px solid var(--ink);display:grid;place-items:center;font-family:var(--f-display);font-stretch:125%;font-weight:800;font-size:15px}
.app p{margin:4px 0 8px;color:var(--ink-2);font-size:13.5px}

/* links */
.link{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit;background:var(--sheet);border:1px solid var(--line);padding:16px;min-width:0;transition:border-color .15s,transform .15s}
.link:hover{border-color:var(--ink);transform:translateY(-2px)}
.link .t{display:flex;justify-content:space-between;align-items:center;gap:8px}
.link b{font-family:var(--f-display);font-stretch:110%;font-size:16px}
.link .u{font-family:var(--f-mono);font-size:11px;color:var(--muted);overflow-wrap:anywhere}
.link p{margin:0;font-size:13px;color:var(--ink-2)}
.note{font-size:13px;color:var(--ink-2);margin:12px 0 0}

/* tracker */
.kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1.5px solid var(--ink);background:var(--sheet)}
.kpis div{padding:14px 16px;min-width:0}
.kpis div+div{border-left:1px solid var(--line)}
.kpis b{display:block;font-family:var(--f-display);font-stretch:115%;font-size:30px;font-variant-numeric:tabular-nums;line-height:1.1}
.kpis span{font-size:12.5px;color:var(--ink-2)}
.skill{display:grid;grid-template-columns:minmax(0,9em) minmax(0,1fr) 3.2em;gap:10px;align-items:center;font-size:13.5px;padding:6px 0}
.bar{height:8px;background:var(--paper);border:1px solid var(--line);position:relative}
.bar i{position:absolute;inset:0 auto 0 0;background:var(--blue)}
.skill em{font-style:normal;font-family:var(--f-mono);font-size:11px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}
.repo{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13.5px}
.repo code{font-family:var(--f-mono);font-size:12.5px;overflow-wrap:anywhere}
.repo p{grid-column:1/-1;margin:0;color:var(--ink-2);font-size:12.5px}
.swatches{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
.swatches div{aspect-ratio:1;border:1px solid var(--line);display:flex;align-items:flex-end;padding:6px;font-family:var(--f-mono);font-size:10px;min-width:0;overflow-wrap:anywhere}
.board{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.col{background:var(--paper);border:1px solid var(--line);padding:10px;min-height:120px;min-width:0}
.col h3{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);display:flex;justify-content:space-between;margin-bottom:8px}
.card{background:var(--sheet);border:1px solid var(--line);padding:9px 10px;margin-bottom:8px;font-size:13px}

.foot{margin-top:48px;padding-top:14px;border-top:1.5px solid var(--ink);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-family:var(--f-mono);font-size:11px;color:var(--muted)}
.foot a{color:var(--muted)}

@media (max-width:860px){
  .hero,.g3,.g2{grid-template-columns:minmax(0,1fr)}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpis div:nth-child(3){border-left:none}
  .kpis div:nth-child(n+3){border-top:1px solid var(--line)}
  .board{grid-template-columns:minmax(0,1fr)}
  .axes{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}