/* ===== Shared base: Studio aesthetic (Fraunces / cream / terracotta) ===== */
:root {
  --bg:        #f7f3ec;
  --bg-2:      #efe9de;
  --paper:     #fffdf7;
  --paper-2:   #f7f1e1;
  --ink:       #1a1815;
  --ink-2:     #2f2a24;
  --muted:     #6b645a;
  --faint:     #a49c8f;
  --rule:      #d9d0c1;
  --rule-2:    #c5b89c;
  --accent:    #b0452a;
  --accent-ink:#7a2f1d;
  --accent-soft:rgba(176,69,42,0.10);
  --sans: "Inter", -apple-system, system-ui, sans-serif;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); }
body {
  font-family: var(--sans);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01","ss02","onum";
}
a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); transition: all .15s; }
a:hover { color: var(--accent-ink); border-bottom-color: var(--accent); }

body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  z-index: 1;
}

.wrap  { max-width: 820px;  margin: 0 auto; padding: 0 28px; position: relative; z-index: 2; }
.wide  { max-width: 1120px; margin: 0 auto; padding: 0 28px; position: relative; z-index: 2; }
.thin  { max-width: 680px;  margin: 0 auto; padding: 0 28px; position: relative; z-index: 2; }

/* Masthead */
header.masthead {
  padding: 24px 0 20px;
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: saturate(1.2) blur(8px);
}
.mast-row { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; }
.brand { font-family: var(--serif); font-weight: 500; font-size: 19px; border: none; color: var(--ink); display: flex; align-items: baseline; gap: 12px; }
.brand em { font-style: italic; color: var(--accent-ink); }
.brand .rule-tag { font-family: var(--mono); font-size: 10.5px; color: var(--muted); letter-spacing: 0.16em; text-transform: uppercase; border-left: 1px solid var(--rule-2); padding-left: 12px; }
nav.primary { display: flex; gap: 22px; font-size: 14.5px; }
nav.primary a { border: none; color: var(--muted); }
nav.primary a:hover { color: var(--accent-ink); }
nav.primary a.current { color: var(--accent-ink); }

/* Hero */
section.hero { padding: 52px 0 28px; }
.kicker {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-ink);
  margin-bottom: 18px;
}
.kicker::before { content: "❧ "; color: var(--accent); margin-right: 4px; }
h1.display {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(34px, 4.6vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  font-variation-settings: "opsz" 144, "SOFT" 30;
}
h1.display em { font-style: italic; color: var(--accent-ink); font-variation-settings: "opsz" 144, "SOFT" 100; }
.lede {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.5;
  color: var(--muted);
  max-width: 640px;
  margin: 0;
  font-weight: 350;
}
.lede strong { color: var(--ink); font-weight: 500; }
.lede em { font-style: italic; color: var(--accent-ink); }

/* Section scaffolding */
section.block { padding: 48px 0; border-top: 1px solid var(--rule); }
.eyebrow {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--accent); }
h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 3.2vw, 36px);
  letter-spacing: -0.018em;
  line-height: 1.12;
  margin: 0 0 28px;
}
h2 em { font-style: italic; color: var(--accent-ink); }

/* Essay/note list row (used by several layouts) */
.row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 22px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.row:last-child { border-bottom: 1px solid var(--rule); }
.row .date { font-family: var(--mono); font-size: 12.5px; color: var(--muted); letter-spacing: 0.04em; }
.row .title { font-family: var(--serif); font-size: 20px; letter-spacing: -0.012em; line-height: 1.25; font-weight: 450; }
.row .title em { font-style: italic; color: var(--accent-ink); }
.row .title .sub { display: block; font-style: italic; font-size: 15px; color: var(--muted); margin-top: 4px; font-weight: 400; }
.row .kind { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-ink); white-space: nowrap; padding: 3px 8px; border: 1px solid rgba(176,69,42,0.3); border-radius: 3px; }
.row .kind.static { color: var(--muted); border-color: var(--rule-2); }
.row .kind.note { color: var(--muted); border-color: var(--rule-2); }
.row .kind.paper { color: var(--accent-ink); }
.row a { border: none; color: inherit; }
.row a:hover .title { color: var(--accent-ink); }
@media (max-width: 720px) {
  .row { grid-template-columns: 1fr; gap: 4px; }
  .row .date { order: -1; }
}

/* Feature card (explorable) */
.feat {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  border-radius: 3px;
  transition: background .2s, border-color .2s;
  text-align: left;
  color: inherit;
  border-bottom: 1px solid var(--rule);
}
.feat:hover { background: var(--paper-2); border-color: var(--accent); }
.feat .no { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-ink); }
.feat h3 { font-family: var(--serif); font-weight: 450; font-size: 22px; line-height: 1.2; margin: 0; letter-spacing: -0.018em; }
.feat h3 em { font-style: italic; color: var(--accent-ink); }
.feat p { margin: 0; font-family: var(--serif); font-size: 15.5px; color: var(--muted); line-height: 1.45; }
.feat .meta { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); display: flex; gap: 12px; margin-top: auto; padding-top: 8px; border-top: 1px dotted var(--rule-2); }

/* Footer */
footer { padding: 60px 0 40px; border-top: 1px solid var(--rule); margin-top: 40px; }
.foot-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; }
.sign { font-family: var(--serif); font-style: italic; font-size: 42px; color: var(--accent-ink); font-weight: 300; letter-spacing: -0.02em; }
.foot-links { display: flex; gap: 16px; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; }
.foot-links a { color: var(--muted); border: none; }
.foot-links a:hover { color: var(--accent-ink); }
.colophon { margin-top: 28px; font-family: var(--mono); font-size: 11px; color: var(--faint); letter-spacing: 0.06em; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* See-all link */
.seeall { margin-top: 22px; color: var(--muted); font-size: 14.5px; font-family: var(--serif); font-style: italic; }
.seeall a { color: var(--accent-ink); border-bottom-color: rgba(176,69,42,0.3); }

/* Ornament */
.orn { text-align: center; font-family: var(--serif); font-style: italic; color: var(--accent); margin: 28px 0 0; font-size: 22px; }

/* Floating switcher */
#proto-switch {
  position: fixed; right: 16px; bottom: 16px; z-index: 9999;
  background: rgba(20,20,24,0.92);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 999px;
  padding: 9px 16px;
  display: flex; gap: 12px; align-items: center;
  font: 12px/1 'JetBrains Mono', ui-monospace, monospace;
  backdrop-filter: blur(10px);
  color: #e8e8e4;
  box-shadow: 0 8px 28px rgba(0,0,0,0.35);
  letter-spacing: 0.04em;
}
#proto-switch a { color: #b8b8b2; text-decoration: none; border: none; }
#proto-switch a:hover { color: #f5b14d; }
#proto-switch .back { color: #f5b14d; }
#proto-switch .sep { color: #55554c; }
#proto-switch .cur { color: #f5b14d; font-weight: 500; }