/* Malperdy Labs — one stylesheet, no framework.
   Dark, typographic, restrained. One warm accent (fox amber).
   The aesthetic is the thesis: small universe, strict rules, internal beauty. */

:root {
  --bg:        #0e0f12;   /* near-black, faintly warm */
  --bg-soft:   #16181d;   /* cards / raised blocks */
  --ink:       #e7e3da;   /* warm off-white */
  --ink-dim:   #9b968c;   /* muted prose, captions */
  --ink-faint: #6a665e;   /* footnotes, borders-as-text */
  --amber:     #d98a4e;   /* the fox — single accent */
  --rule:      #25272e;   /* hairlines */
  --measure:   66ch;      /* reading width */
  --serif: Iowan Old Style, "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem; top: 1rem;
  background: var(--amber); color: #111;
  padding: .5rem .75rem; border-radius: 4px; z-index: 10;
}

/* ---- header ---- */
.site-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  max-width: 60rem;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 1.25rem;
  border-bottom: 1px solid var(--rule);
}
.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: .55rem;
  text-decoration: none;
  color: var(--ink);
}
.wordmark .mark { font-size: 1.15rem; transform: translateY(1px); }
.wordmark .name {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: .02em;
  font-size: 1.02rem;
}
.site-head nav { display: flex; gap: 1.35rem; }
.site-head nav a {
  font-family: var(--mono);
  font-size: .82rem;
  letter-spacing: .03em;
  text-transform: lowercase;
  color: var(--ink-dim);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.site-head nav a:hover { color: var(--amber); border-bottom-color: var(--amber); }

/* ---- main ---- */
main {
  flex: 1;
  width: 100%;
  max-width: 60rem;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* ---- hero (home) ---- */
.hero { max-width: var(--measure); }
.hero .lede {
  font-size: 1.6rem;
  line-height: 1.4;
  margin: 0 0 1.5rem;
}
.hero .lede .amber { color: var(--amber); }
.hero p { color: var(--ink-dim); }
.hero .sub { font-family: var(--mono); font-size: .8rem; color: var(--ink-faint); letter-spacing: .04em; text-transform: uppercase; margin-bottom: .75rem; }

/* ---- prose ---- */
.prose { max-width: var(--measure); }
.prose > * + * { margin-top: 1.15rem; }
.prose h2 {
  font-family: var(--mono);
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--amber);
  margin-top: 2.75rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--rule);
}
.prose h3 { font-size: 1.2rem; margin-top: 2rem; }
.prose a { color: var(--ink); text-decoration-color: var(--amber); text-underline-offset: 3px; }
.prose a:hover { color: var(--amber); }
.prose code {
  font-family: var(--mono);
  font-size: .85em;
  background: var(--bg-soft);
  padding: .1em .35em;
  border-radius: 3px;
}
.prose blockquote {
  margin: 1.5rem 0;
  padding-left: 1.1rem;
  border-left: 2px solid var(--amber);
  color: var(--ink-dim);
  font-style: italic;
}
.prose hr { border: none; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

/* ---- projects ---- */
.projects { display: grid; gap: 1.25rem; max-width: var(--measure); margin-top: 2rem; }
.project {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1.4rem 1.5rem;
}
.project h3 {
  margin: 0 0 .15rem;
  font-size: 1.15rem;
  display: flex; align-items: baseline; gap: .6rem;
}
.project h3 .tag {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--rule);
  padding: .1rem .4rem;
  border-radius: 999px;
}
.project p { margin: .5rem 0 0; color: var(--ink-dim); }

/* ---- notes index ---- */
.note-list { list-style: none; padding: 0; max-width: var(--measure); }
.note-list li { padding: 1rem 0; border-bottom: 1px solid var(--rule); }
.note-list a { color: var(--ink); text-decoration: none; font-size: 1.15rem; }
.note-list a:hover { color: var(--amber); }
.note-list time { display: block; font-family: var(--mono); font-size: .75rem; color: var(--ink-faint); letter-spacing: .04em; }

/* ---- single note ---- */
.note-head { max-width: var(--measure); margin-bottom: 2rem; }
.note-head .kicker { font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--amber); margin: 0; }
.note-head h1 { font-size: 2rem; line-height: 1.2; margin: .3rem 0 .5rem; }
.note-head time { font-family: var(--mono); font-size: .78rem; color: var(--ink-faint); }
.note .back { margin-top: 3rem; font-family: var(--mono); font-size: .85rem; }
.note .back a { color: var(--ink-dim); text-decoration: none; }
.note .back a:hover { color: var(--amber); }

h1 { font-size: 2.2rem; line-height: 1.15; letter-spacing: -0.01em; }

/* ---- footer ---- */
.site-foot {
  max-width: 60rem;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid var(--rule);
  font-size: .85rem;
  color: var(--ink-dim);
}
.site-foot p { margin: .25rem 0; }
.site-foot .dim { color: var(--ink-faint); font-style: italic; }

@media (max-width: 34rem) {
  body { font-size: 17px; }
  .hero .lede { font-size: 1.35rem; }
}