/* ------------------------------------------------------------
   gouthm.com - plain personal site
   Warm paper ground, one oxblood accent, IBM Plex.
   ------------------------------------------------------------ */

:root {
  --bg:      #f4eee2;
  --ink:     #23201b;   /* headings */
  --ink-2:   #47413a;   /* body */
  --ink-3:   #8a8073;   /* meta, muted */
  --rule:    #e0d7c6;
  --accent:  #8f2d2d;

  --sans:  'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  --serif: 'IBM Plex Serif', Georgia, 'Times New Roman', serif;
  --mono:  'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--bg);
  background-image: radial-gradient(60rem 32rem at 50% -8rem, #fbf6ec, transparent 70%);
  background-attachment: fixed;
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: clamp(3rem, 12vh, 7rem) 1.4rem 6rem;
}

.wrap { max-width: 40rem; margin: 0 auto; }

/* --- type --- */
h1 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.7rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.2;
}

.lede {
  margin-top: 0.6rem;
  color: var(--ink-3);
}

p { margin-top: 1rem; }

em, i {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink);
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
a:hover { text-decoration: none; }

/* --- link row --- */
.links {
  margin-top: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.3rem;
  font-family: var(--mono);
  font-size: 0.86rem;
}
.links a { text-decoration: none; }
.links a:hover { text-decoration: underline; }

.contact { margin-top: 1.6rem; font-size: 0.95rem; }

footer {
  margin-top: 3rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-3);
}

/* --- back link (blog + post) --- */
.back {
  display: inline-block;
  margin-bottom: 2.4rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-3);
  text-decoration: none;
}
.back:hover { color: var(--accent); }
.back::before { content: "\2190\00a0"; }

/* --- blog index --- */
.post-list { list-style: none; margin-top: 1.25rem; }
.post-list li {
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
}
.post-list a {
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}
.post-list a:hover { color: var(--accent); }
.post-list .date {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--ink-3);
}
.post-list .note {
  margin-top: 0.3rem;
  font-size: 0.9rem;
  color: var(--ink-3);
}

/* --- article --- */
.article { margin-top: 0.5rem; }
.article h1 { font-size: 1.55rem; }
.article .meta {
  display: block;
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--ink-3);
}
.article h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  margin-top: 2.4rem;
}
.article h3 {
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  margin-top: 1.8rem;
}
.article p, .article ul, .article ol { margin-top: 1rem; }
.article ul, .article ol { padding-left: 1.3rem; }
.article li { margin-top: 0.35rem; }
.article li::marker { color: var(--ink-3); }

.article strong { font-weight: 600; color: var(--ink); }

.article blockquote {
  margin: 1.2rem 0;
  padding-left: 1.1rem;
  border-left: 2px solid var(--rule);
  color: var(--ink-3);
}

.article code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: #ece3d2;
  padding: 0.1em 0.35em;
  border-radius: 3px;
}
.article pre {
  margin-top: 1.2rem;
  padding: 1rem 1.1rem;
  background: #fbf7ee;
  border: 1px solid var(--rule);
  border-radius: 4px;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.6;
}
.article pre code { background: none; padding: 0; font-size: inherit; }

.article figure { margin: 1.6rem 0; }
.article figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: 4px;
}
.article figcaption {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  color: var(--ink-3);
}

/* --- colophon --- */
.colophon {
  margin-top: 3rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9rem;
  color: var(--ink-3);
}
.colophon p { margin-top: 0.4rem; }
.colophon p:first-child { margin-top: 0; }

@media (max-width: 480px) {
  body { font-size: 16px; }
}