/* Layout concept: a tiled floor. Content sits on "tiles" separated by grout lines;
   measurements are set like a tape measure in mono. One loud place: the hero headline. */
:root {
  --paper: #F2EFE8;      /* brand cream */
  --tile: #FFFFFF;       /* card surface */
  --ink: #1E1C1A;        /* brand black */
  --mute: #5F5A53;       /* secondary text, warm grey */
  --grout: #DCD6CA;      /* lines and borders */
  --brick: #E8621E;      /* brand orange */
  --brick-ink: #FFFFFF;  /* text on orange */
  --frame: #1E1C1A;      /* logo frame */
  --face: #E8E4DA;       /* logo bricks */
  --font-display: 'Archivo', 'Arial Black', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Public Sans', 'Segoe UI', Roboto, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --gutter: clamp(16px, 4vw, 40px);
  --max: 1120px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #171513; --tile: #221F1C; --ink: #F2EFE8; --mute: #B3ACA2; --grout: #36312C;
    --brick: #F07433; --brick-ink: #171513; --frame: #0C0B0A; --face: #E8E4DA; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #171513; --tile: #221F1C; --ink: #F2EFE8; --mute: #B3ACA2; --grout: #36312C;
  --brick: #F07433; --brick-ink: #171513; --frame: #0C0B0A; --face: #E8E4DA; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-body); font-size: 17px; line-height: 1.6;
}
img { max-width: 100%; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--brick); outline-offset: 3px; border-radius: 6px; }
.wrap {
  max-width: var(--max); margin: 0 auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}
h1, h2, h3 { font-family: var(--font-display); line-height: 1.02; margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
h2 { font-size: clamp(32px, 5vw, 52px); font-weight: 900; font-stretch: 112%; }
h3 { font-size: 24px; font-weight: 800; }
p { margin: 0; }
.tag {
  font-family: var(--font-mono); font-size: 13px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--mute);
}
.tag b { color: var(--brick); font-weight: 700; }

/* logo */
.mark { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.mark svg { width: 44px; height: 44px; flex: none; }
.mark span { font-family: var(--font-display); font-weight: 900; font-stretch: 112%; font-size: 20px; letter-spacing: 0.01em; line-height: 0.95; }
.mark span i { font-style: normal; color: var(--brick); display: block; }
.logo-frame { fill: var(--frame); stroke: var(--grout); stroke-width: 0; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .logo-frame { stroke-width: 10; } }
:root[data-theme="dark"] .logo-frame { stroke-width: 10; }
.logo-face { fill: var(--face); }
.logo-brick { fill: #E8621E; }

/* header */
.site-head { border-bottom: 2px solid var(--grout); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-block: 18px; }
.nav { display: flex; align-items: center; gap: 6px 22px; flex-wrap: wrap; font-weight: 600; font-size: 15px; }
.nav a { text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--brick); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 700; font-size: 16px;
  padding: 14px 22px; border-radius: 10px; border: 2px solid var(--ink); background: var(--tile); color: var(--ink);
  box-shadow: 0 4px 0 var(--ink); transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translateY(2px); box-shadow: 0 2px 0 var(--ink); }
.btn.primary { background: var(--brick); color: var(--brick-ink); border-color: var(--ink); }
.btn svg { width: 20px; height: 20px; flex: none; }

/* sections */
.section { padding-block: clamp(56px, 9vw, 104px); border-bottom: 2px solid var(--grout); }
.section-head { display: grid; gap: 14px; margin-bottom: 36px; max-width: 760px; }
.section-head p { color: var(--mute); font-size: 18px; }
.prose p + p { margin-top: 1em; }
.prose { max-width: 66ch; }

/* tiles grid */
.tiles { display: grid; gap: 4px; background: var(--grout); border: 4px solid var(--grout); border-radius: 14px; overflow: hidden; }
.tiles > * { background: var(--tile); padding: 26px; min-width: 0; }
.tiles.c3 { grid-template-columns: repeat(3, 1fr); }
.tiles.c2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px) { .tiles.c3, .tiles.c2 { grid-template-columns: 1fr; } }
.tile-hit { text-decoration: none; display: flex; flex-direction: column; gap: 10px; transition: background .15s ease; }
.tile-hit:hover { background: var(--paper); }
.tile-hit .go { margin-top: auto; padding-top: 8px; font-weight: 700; color: var(--brick); }
.tile-hit p { color: var(--mute); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-family: var(--font-mono); font-size: 13px; font-weight: 600; padding: 6px 12px; border: 2px solid var(--grout); border-radius: 999px; background: var(--tile); }

/* footer */
.site-foot { padding-block: 40px 56px; }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 20px 40px; justify-content: space-between; align-items: flex-start; }
.site-foot p { color: var(--mute); font-size: 14px; }
.social { display: flex; gap: 10px; flex-wrap: wrap; }
.social a { width: 44px; height: 44px; display: grid; place-items: center; border: 2px solid var(--grout); border-radius: 10px; background: var(--tile); }
.social a:hover { border-color: var(--brick); }
.social svg { width: 20px; height: 20px; fill: var(--ink); }

/* blog */
.post-card { display: grid; gap: 10px; text-decoration: none; padding: 28px; background: var(--tile); border: 2px solid var(--grout); border-radius: 14px; transition: border-color .15s ease; }
.post-card:hover { border-color: var(--brick); }
.post-card h3 { font-size: clamp(24px, 3.4vw, 32px); }
.post-card p { color: var(--mute); }
.article { padding-block: clamp(48px, 8vw, 88px); }
.article header { display: grid; gap: 16px; margin-bottom: 40px; max-width: 760px; }
.article h1 { font-size: clamp(38px, 6.5vw, 68px); font-weight: 900; font-stretch: 112%; }
.article .dek { font-size: 21px; color: var(--mute); }
.article .prose h2 { font-size: 30px; font-stretch: 100%; margin: 1.6em 0 0.5em; }
.article .prose ul, .article .prose ol { padding-left: 1.2em; margin: 1em 0; }
.article .prose li + li { margin-top: 0.5em; }
.callout { margin: 1.6em 0; padding: 22px 24px; border-left: 6px solid var(--brick); background: var(--tile); border-radius: 0 12px 12px 0; }
.callout .tag { display: block; margin-bottom: 6px; }
.measure { font-family: var(--font-mono); font-weight: 600; white-space: nowrap; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }