/* Gears & Grooves — garage/studio theme */
:root {
  --bg: #16181c;
  --bg-2: #1e2127;
  --bg-3: #262a31;
  --line: #31353e;
  --text: #ece8e1;
  --muted: #a5a39d;
  --amber: #f2a33a;
  --amber-2: #ffbe63;
  --teal: #4fc3b8;
  --violet: #a58bf0;
  --red: #ef6a5b;
  --radius: 14px;
  --display: "Archivo Black", "Arial Black", Impact, sans-serif;
  --body: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 var(--body);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-2); }
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.1; letter-spacing: -0.01em; margin: 0 0 .5em; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 740px; }
.section { padding-top: 48px; padding-bottom: 48px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--amber); color: #111; padding: 8px 12px; z-index: 99; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(22, 24, 28, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 16px; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); margin-right: auto; }
.brand:hover { color: var(--text); }
.brand-text { font-family: var(--display); font-size: 19px; letter-spacing: -.01em; }
.amp { color: var(--amber); }
.site-nav { display: flex; gap: 4px; }
.site-nav a {
  color: var(--muted); font-weight: 600; font-size: 15px;
  padding: 8px 12px; border-radius: 8px;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); background: var(--bg-3); }
.nav-toggle, .nav-burger { display: none; }

@media (max-width: 860px) {
  .nav-burger { display: flex; flex-direction: column; gap: 5px; cursor: pointer; padding: 10px; }
  .nav-burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 68px;
    flex-direction: column; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 8px 20px 16px;
  }
  .nav-toggle:checked ~ .site-nav { display: flex; }
}

/* Hero */
.hero {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 80% 40%, rgba(242,163,58,.16), transparent 45%),
    repeating-linear-gradient(135deg, transparent 0 22px, rgba(255,255,255,.018) 22px 23px),
    var(--bg);
  overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: center; padding-top: 72px; padding-bottom: 72px; }
.eyebrow { font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: .14em; color: var(--amber); margin: 0 0 14px; }
.hero h1 { font-size: clamp(36px, 5vw, 56px); margin-bottom: 20px; }
.hero h1 span { color: var(--amber); }
.lede { color: var(--muted); font-size: 19px; max-width: 34em; margin: 0; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn { display: inline-block; font-weight: 700; padding: 13px 22px; border-radius: 10px; border: 2px solid var(--amber); }
.btn-primary { background: var(--amber); color: #16181c; }
.btn-primary:hover { background: var(--amber-2); border-color: var(--amber-2); color: #16181c; }
.btn-ghost { color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }
.hero-art { display: flex; justify-content: center; }
.hero-art img { width: min(380px, 80vw); filter: drop-shadow(0 20px 50px rgba(0,0,0,.5)); }
.spin { animation: spin 40s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spin { animation: none; } }
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 48px; padding-bottom: 48px; }
  .hero-art { order: -1; }
  .hero-art img { width: 180px; }
}

/* Categories */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cat-card {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; color: var(--muted); font-size: 15px; line-height: 1.5;
  transition: transform .15s, border-color .15s;
}
.cat-card strong { font-family: var(--display); font-weight: 400; color: var(--text); font-size: 20px; }
.cat-card:hover { transform: translateY(-3px); border-color: var(--c, var(--amber)); color: var(--muted); }
.cat-icon { width: 40px; height: 40px; color: var(--c, var(--amber)); margin-bottom: 6px; }
.cat-icon svg { width: 100%; height: 100%; }
.cat-icon.big { width: 56px; height: 56px; display: block; margin-bottom: 14px; }
.cat-gears, .head-gears, .pill-gears { --c: var(--amber); }
.cat-grooves, .head-grooves, .pill-grooves { --c: var(--teal); }
.cat-engineering-life, .head-engineering-life, .pill-engineering-life { --c: var(--violet); }
.cat-kuya-talk, .head-kuya-talk, .pill-kuya-talk { --c: var(--red); }
@media (max-width: 900px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .cat-grid { grid-template-columns: 1fr; } }

/* Cards */
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 22px; }
.section-head h2 { font-size: 30px; margin: 0; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.card-img img { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
.card-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card h3 { font-size: 22px; margin: 0; }
.card h3 a { color: var(--text); }
.card h3 a:hover { color: var(--amber); }
.card p { color: var(--muted); margin: 0; font-size: 15.5px; }
.card time { margin-top: auto; font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
@media (max-width: 400px) { .card-grid { grid-template-columns: 1fr; } }

.pill {
  align-self: flex-start; display: inline-block;
  font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--c, var(--amber)); border: 1px solid currentColor; border-radius: 999px; padding: 3px 10px;
}
.pill:hover { color: var(--text); }

/* Page heads */
.page-head { border-bottom: 1px solid var(--line); padding: 56px 0 40px; background: var(--bg-2); }
.page-head .cat-icon { color: var(--c, var(--amber)); }
.page-head h1 { font-size: clamp(36px, 5vw, 56px); }

/* Post */
.post-header { padding-top: 56px; padding-bottom: 12px; }
.post-header h1 { font-size: clamp(34px, 5vw, 54px); margin-top: 16px; }
.meta { color: var(--muted); font-family: var(--mono); font-size: 13px; display: flex; flex-wrap: wrap; gap: 8px; }
.post-cover img { border-radius: var(--radius); margin: 24px auto; max-height: 520px; object-fit: cover; width: 100%; }
.prose { padding-top: 16px; padding-bottom: 24px; }
.prose h2 { font-size: 28px; margin-top: 1.6em; }
.prose h3 { font-size: 22px; margin-top: 1.4em; }
.prose img { border-radius: 10px; margin: 1.5em 0; }
.prose blockquote { margin: 1.5em 0; padding: 4px 20px; border-left: 4px solid var(--amber); color: var(--text); font-size: 20px; font-style: italic; }
.prose code { font-family: var(--mono); background: var(--bg-3); padding: 2px 6px; border-radius: 5px; font-size: .9em; }
.prose pre { background: var(--bg-2); border: 1px solid var(--line); padding: 16px; border-radius: 10px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose li { margin: .3em 0; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose iframe { width: 100%; border: 0; border-radius: 12px; }
.post-tags { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 24px; }
.tag { font-family: var(--mono); font-size: 13px; background: var(--bg-3); color: var(--muted); padding: 4px 10px; border-radius: 6px; }
.tag:hover { color: var(--amber); }
.post-nav { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); padding-top: 24px; padding-bottom: 64px; }
.post-nav a { color: var(--text); font-weight: 600; max-width: 48%; }
.post-nav a:hover { color: var(--amber); }
.post-nav small { display: block; font-family: var(--mono); color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .1em; font-size: 11.5px; }
.post-nav .right { text-align: right; margin-left: auto; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: #121418; margin-top: 40px; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; padding-top: 36px; padding-bottom: 36px; }
.footer-brand { display: flex; align-items: center; gap: 14px; margin-right: auto; }
.footer-brand strong { font-family: var(--display); font-weight: 400; font-size: 18px; }
.footer-brand p { margin: 0; color: var(--muted); font-size: 15px; }
.footer-links { display: flex; gap: 18px; font-weight: 600; }
.copy { width: 100%; margin: 0; color: var(--muted); font-size: 13px; font-family: var(--mono); }