/* h3llh0und — shares the design tokens with euriconicacio.github.io */

:root {
  --bg: #0a0a0b;
  --bg-soft: #101013;
  --bg-code: #131318;
  --fg: #ededf0;
  --muted: #91919d;
  --faint: #6a6a76;
  --line: #26262c;
  --accent: #e5484d;
  --focus: #6e9fff;

  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
          Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", "JetBrains Mono",
          Menlo, Consolas, monospace;

  --measure: 42rem;
  --gutter: clamp(1.25rem, 5vw, 2rem);
}

:root[data-theme="light"] {
  --bg: #fbfbfc;
  --bg-soft: #f4f4f6;
  --bg-code: #f2f2f5;
  --fg: #17171b;
  --muted: #5c5c67;
  --faint: #80808d;
  --line: #e3e3e9;
  --accent: #c62a30;
  --focus: #1f5fd0;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .25s ease, color .25s ease;
}

.wrap {
  width: 100%;
  max-width: var(--measure);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

a { color: inherit; text-decoration-color: var(--line); text-underline-offset: .18em; }
a:hover { text-decoration-color: var(--accent); }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 2px; }

img { max-width: 100%; height: auto; }

/* ---------- masthead ---------- */

.masthead {
  padding-block: clamp(2.5rem, 8vw, 4.5rem) clamp(1.75rem, 5vw, 2.5rem);
}

.identity {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 4vw, 1.5rem);
}

.sigil {
  flex: none;
  width: clamp(4.5rem, 16vw, 6rem);
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
  /* the hellhound's head sits left of centre in the source image */
  object-position: 34% 45%;
  border: 1px solid var(--line);
  background: #000;
}

.identity h1 {
  margin: 0;
  font-size: clamp(1.5rem, 5.5vw, 2rem);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.1;
}
.identity h1 a { text-decoration: none; }

.identity .tagline {
  margin: .45rem 0 0;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.5;
  text-wrap: pretty;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: .1rem .85rem;
  margin-top: .7rem;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: lowercase;
}
.links a { color: var(--faint); text-decoration: none; transition: color .18s ease; }
.links a:hover { color: var(--accent); }

/* ---------- post list ---------- */

.feed { padding-bottom: clamp(3rem, 10vw, 6rem); }

.feed-label {
  margin: 0 0 .25rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--faint);
}

.entry {
  display: block;
  padding-block: clamp(1.5rem, 4vw, 2rem);
  border-top: 1px solid var(--line);
  text-decoration: none;
  transition: opacity .18s ease;
}
.entry:hover { opacity: 1; }
.entry:hover .entry-title { color: var(--accent); }

.entry-meta {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--faint);
}

.entry-title {
  margin: .5rem 0 0;
  font-size: clamp(1.2rem, 4vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -.018em;
  line-height: 1.28;
  text-wrap: balance;
  transition: color .18s ease;
}

.entry-desc {
  margin: .55rem 0 0;
  color: var(--muted);
  font-size: .98rem;
  line-height: 1.6;
  text-wrap: pretty;
}

/* ---------- article ---------- */

.article { padding-bottom: clamp(3rem, 10vw, 6rem); }

.article-header {
  padding-block: clamp(1rem, 3vw, 1.5rem) clamp(2rem, 6vw, 3rem);
  border-top: 1px solid var(--line);
}

.article-header .entry-meta { display: block; padding-top: clamp(1.5rem, 4vw, 2rem); }

.article-title {
  margin: .6rem 0 0;
  font-size: clamp(1.9rem, 6.5vw, 2.75rem);
  font-weight: 650;
  letter-spacing: -.028em;
  line-height: 1.12;
  text-wrap: balance;
}

.lede {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 3.2vw, 1.2rem);
  line-height: 1.55;
  text-wrap: pretty;
}

.prose > * + * { margin-top: 1.35em; }

.prose h2 {
  margin-top: 2.6em;
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 650;
  letter-spacing: -.02em;
  line-height: 1.3;
  text-wrap: balance;
}

.prose h3 {
  margin-top: 2.2em;
  font-size: clamp(1.08rem, 3.4vw, 1.2rem);
  font-weight: 650;
  letter-spacing: -.012em;
}

.prose h2 + *, .prose h3 + * { margin-top: .7em; }

.prose strong { font-weight: 650; color: var(--fg); }

.prose a { color: var(--fg); text-decoration: underline; text-decoration-color: var(--accent); }
.prose a:hover { color: var(--accent); }

.prose ul, .prose ol { padding-left: 1.35em; }
.prose li + li { margin-top: .5em; }
.prose li::marker { color: var(--faint); }

.prose blockquote {
  margin-inline: 0;
  padding: .1em 0 .1em 1.15em;
  border-left: 2px solid var(--accent);
  color: var(--muted);
}
.prose blockquote > * + * { margin-top: .8em; }

.prose img {
  display: block;
  width: 100%;
  border-radius: .5rem;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

/* A lone italic paragraph right after an image is its caption. */
.prose img + em,
.prose p > img + em { display: block; }
.prose p:has(> img) + p > em:only-child {
  display: block;
  margin-top: -.7em;
  color: var(--faint);
  font-size: .87rem;
  line-height: 1.5;
  font-style: normal;
  text-align: center;
}

.prose hr {
  margin-block: 2.6em;
  border: 0;
  border-top: 1px solid var(--line);
}

.prose code {
  font-family: var(--mono);
  font-size: .875em;
  padding: .15em .35em;
  border-radius: .25rem;
  background: var(--bg-code);
  border: 1px solid var(--line);
  word-break: break-word;
}

.prose pre {
  margin-block: 1.6em;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border-radius: .5rem;
  background: var(--bg-code);
  border: 1px solid var(--line);
  font-size: .84rem;
  line-height: 1.6;
  -webkit-overflow-scrolling: touch;
}
.prose pre code {
  padding: 0;
  border: 0;
  background: none;
  font-size: inherit;
  word-break: normal;
}

.prose table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.prose table th, .prose table td {
  padding: .5rem .6rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

/* Wide content must scroll in its own box, never the page. */
.scroll-x { overflow-x: auto; }

.article-footer {
  margin-top: clamp(3rem, 8vw, 4.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--faint);
}
.article-footer a { text-decoration: none; }
.article-footer a:hover { color: var(--accent); }

/* ---------- site footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2rem 3rem;
  color: var(--faint);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .05em;
}
.footer-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  justify-content: space-between;
}
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

/* ---------- theme toggle ---------- */

#theme {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top));
  right: max(1rem, env(safe-area-inset-right));
  z-index: 5;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(8px);
  color: var(--muted);
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease;
}
#theme:hover { color: var(--fg); border-color: var(--muted); }
#theme svg { width: 1rem; height: 1rem; }
:root[data-theme="dark"] #theme .sun,
:root[data-theme="light"] #theme .moon { display: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}