/* ---------------------------------------------------------------
   ƒink website — stylesheet
   Design: minimal, typographic, dark code blocks, light background.
   Token colours for syntax highlighting are at the bottom.
--------------------------------------------------------------- */

/* --- Reset / base ------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #ffffff;
  --text:      #2a2a2a;
  --muted:     #666;
  --accent:    #005f5f;
  --accent-h:  #004444;
  --border:    #e0e0e0;
  --code-bg:   #1F1F1F;
  --code-text: #d4d4d4;
  --font-sans: system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "Hack", Consolas, Menlo, Monaco, monospace;
  --font-wordmark: "Hack", Consolas, Menlo, Monaco, monospace;
  --max-w:     72ch;
}

html { font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-h); text-decoration: underline; }

/* --- Nav ---------------------------------------------------- */
header {
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}
nav {
  max-width: calc(var(--max-w) + 8rem);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 3.5rem;
}
nav .wordmark {
  font-family: var(--font-wordmark);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-right: auto;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.wordmark-logo {
  height: 2.5rem;
  width: auto;
}
nav a { color: var(--muted); font-size: 0.95rem; }
nav a:hover { color: var(--accent); text-decoration: none; }

/* --- Main / footer ------------------------------------------ */
main { flex: 1; }
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

/* --- Hero --------------------------------------------------- */
.hero {
  max-width: calc(var(--max-w) + 8rem);
  margin: 0 auto;
  padding: 5rem 2rem 3rem;
  text-align: center;
}
.hero-wordmark {
  font-family: var(--font-wordmark);
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.hero-logo {
  height: 6rem;
  width: auto;
}
.nav-icon {
  display: flex;
  align-items: center;
}
.nav-icon svg {
  width: 1.2rem;
  height: 1.2rem;
}
.hero-tagline {
  font-size: 1.25rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

/* --- Buttons ------------------------------------------------ */
.btn {
  display: inline-block;
  padding: 0.55rem 1.4rem;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  margin: 0.25rem;
  text-decoration: none;
}
.btn:hover { background: var(--accent-h); color: #fff; text-decoration: none; }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent); color: #fff; }

/* --- Features grid ------------------------------------------ */
.features {
  max-width: calc(var(--max-w) + 8rem);
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.feature h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.feature p { font-size: 0.9rem; color: var(--muted); }

/* --- Taste section ------------------------------------------ */
.taste {
  max-width: calc(var(--max-w) + 8rem);
  margin: 0 auto;
  padding: 2rem;
}
.taste h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* --- Status banner ------------------------------------------ */
.status-banner {
  background: #f5f5f5;
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

/* --- Prose (docs pages) ------------------------------------- */
.prose {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 2rem;
}
.prose h1 { font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; }
.prose h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
}
.prose h3 { font-size: 1.1rem; font-weight: 700; margin-top: 2rem; margin-bottom: 0.5rem; }
.prose h4 { font-size: 1rem; font-weight: 600; margin-top: 1.5rem; margin-bottom: 0.5rem; }
.prose p { margin-bottom: 1rem; }
.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.prose li { margin-bottom: 0.25rem; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  color: var(--muted);
  margin: 1rem 0;
  font-style: italic;
}
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }
.prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: #f3f3f3;
  padding: 0.1em 0.35em;
  border-radius: 3px;
}
.prose a { color: var(--accent); }
.prose table { width: 100%; border-collapse: collapse; margin-bottom: 1rem; font-size: 0.9rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 0.4rem 0.7rem; text-align: left; }
.prose th { background: #f5f5f5; font-weight: 600; }

/* --- Code blocks -------------------------------------------- */
pre.code-block {
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.55;
  padding: 1.25rem 1.5rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
}
pre.code-block code {
  background: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

/* Taste section code blocks get a bit more breathing room */
.taste pre.code-block { margin-bottom: 2rem; }

/* --- Syntax token colours ----------------------------------- */
/* These classes are emitted by src/highlight.rs               */
.kw      { color: #C586C0; }                    /* fn, match, import, …  */
.kw-b    { color: #569CD6; }                    /* true, false           */
.ty      { color: #4EC9B0; }                    /* u8, f32, str, …       */
.fn      { color: #DCDCAA; }                    /* function call name    */
.blk     { color: #DCDCAA; }                    /* block name: filter, map, … */
.tag     { color: #569CD6; }                    /* tagged literal/template */
.prop    { color: #4FC1FF; }                    /* property name after . */
.rec-key { color: #9CDCFE; }                    /* record key            */
.ident   { color: #4FC1FF; }                    /* plain identifier      */
.op      { color: #D4D4D4; }                    /* operators             */
.op-asgn { color: #D4D4D4; }                    /* = assignment          */
.op-pipe { color: #C586C0; }                    /* | pipe, |= binding    */
.op-rng  { color: #D4D4D4; }                    /* .. ...                */
.op-dot  { color: #D4D4D4; }                    /* . accessor dot        */
.br      { color: #CCCCCC; }                    /* { } [ ] ( ) fallback  */
.br-1    { color: #DCDCAA; }                    /* depth 1 — gold        */
.br-2    { color: #DA70D6; }                    /* depth 2 — orchid      */
.br-3    { color: #179FFF; }                    /* depth 3 — blue        */
.str     { color: #CE9178; }                    /* string content        */
.str-e   { color: #D7BA7D; }                    /* ${ } interpolation / escape */
.num     { color: #B5CEA8; }                    /* decimal numeric       */
.num-b   { color: #D7BA7D; }                    /* hex/octal/binary numeric */
.cmt     { color: #6A9955; font-style: italic; }/* comments              */
.ph      { color: #C586C0; }                    /* ? placeholder         */
.wc      { color: #C586C0; }                    /* _ wildcard            */

/* --- 404 ---------------------------------------------------- */
.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 7rem); /* subtract header + footer */
  gap: 1.5rem;
  text-align: center;
}
.not-found img {
  height: 12rem;
  width: auto;
}
.not-found h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
}
.not-found p {
  color: var(--muted);
}

/* --- Responsive -------------------------------------------- */
@media (max-width: 600px) {
  .hero-wordmark { font-size: 3rem; }
  .features { grid-template-columns: 1fr; }
  nav { gap: 1rem; }
  pre.code-block { font-size: 0.8rem; padding: 1rem; }
}