/* ─────────────────────────────────────
   cdrum.com · custom Hugo theme
   ───────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

/* ── Variables: light (default) ── */
:root {
  --bg:    #f0f0f0;
  --bg-1:  #e6e6e6;
  --bg-2:  #dadada;
  --bd:    #cccccc;
  --tx:    #1a1a1a;
  --tx-2:  #666;
  --tx-3:  #aaa;
  --or:    #d95000;
  --or-bg: rgba(217, 80, 0, .06);
  --or-bd: rgba(217, 80, 0, .3);

  --font-d:    system-ui, -apple-system, sans-serif;
  --font-ui:   'Space Mono', monospace;
  --font-body: ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-code: 'Space Mono', ui-monospace, monospace;

  --w:   720px;
  --pad: 1.5rem;
  --r:   6px;
  --tr:  150ms ease;
}

/* ── Dark mode ── */
html.dark {
  --bg:    #111;
  --bg-1:  #1a1a1a;
  --bg-2:  #222;
  --bd:    #2a2a2a;
  --tx:    #e2e2e2;
  --tx-2:  #777;
  --tx-3:  #3d3d3d;
  --or:    #f26419;
  --or-bg: rgba(242, 100, 25, .08);
  --or-bd: rgba(242, 100, 25, .35);
}

/* System pref fallback when no manual override */
@media (prefers-color-scheme: dark) {
  html:not(.light) {
    --bg:    #111;
    --bg-1:  #1a1a1a;
    --bg-2:  #222;
    --bd:    #2a2a2a;
    --tx:    #e2e2e2;
    --tx-2:  #777;
    --tx-3:  #3d3d3d;
    --or:    #f26419;
    --or-bg: rgba(242, 100, 25, .08);
    --or-bd: rgba(242, 100, 25, .35);
  }
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--tx);
  font: 1rem/1.7 var(--font-body);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── Layout ── */
.wrap { max-width: var(--w); margin: 0 auto; padding: 0 var(--pad); }
main { flex: 1; padding-bottom: 5rem; }

/* ── Header ── */
.site-hd {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bd);
}
.site-hd .wrap {
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font: 700 .85rem/1 var(--font-ui);
  color: var(--tx);
  letter-spacing: -.01em;
  transition: color var(--tr);
}
.site-logo:hover { color: var(--or); }

.site-nav { display: flex; align-items: center; gap: 2rem; }
.site-nav a {
  font: 400 .75rem/1 var(--font-ui);
  color: var(--tx-2);
  transition: color var(--tr);
  position: relative;
  padding-bottom: 2px;
}
.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 100%;
  height: 1px;
  background: var(--or);
  transition: right var(--tr);
}
.site-nav a:hover,
.site-nav a[aria-current] { color: var(--tx); }
.site-nav a:hover::after,
.site-nav a[aria-current]::after { right: 0; }

/* ── Footer ── */
.site-ft {
  border-top: 1px solid var(--bd);
  padding: 1.5rem 0;
}
.site-ft .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
/* ── Theme toggle ── */
.theme-toggle {
  background: none;
  border: 1px solid var(--bd);
  border-radius: 4px;
  color: var(--tx-2);
  cursor: pointer;
  padding: .3rem .45rem;
  display: flex;
  align-items: center;
  transition: all var(--tr);
  line-height: 1;
}
.theme-toggle:hover { color: var(--tx); border-color: var(--tx-3); }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
html.dark .theme-toggle .icon-sun  { display: block; }
html.dark .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  html:not(.light) .theme-toggle .icon-sun  { display: block; }
  html:not(.light) .theme-toggle .icon-moon { display: none; }
}

.ft-copy { font: .7rem/1 var(--font-ui); color: var(--tx-3); }
.ft-links { display: flex; gap: 1.25rem; }
.ft-link { font: .7rem/1 var(--font-ui); color: var(--tx-3); transition: color var(--tr); }
.ft-link:hover { color: var(--tx-2); }

/* ── Hero ── */
.hero {
  padding: clamp(3.5rem, 10vw, 6rem) 0 clamp(2rem, 5vw, 3rem);
}
.hero-name {
  font: 800 clamp(2.5rem, 7vw, 4rem)/1.05 var(--font-d);
  letter-spacing: -.04em;
  color: var(--tx);
  margin-bottom: .6rem;
}
.hero-tagline {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  color: var(--tx-2);
  margin-bottom: .5rem;
}
.hero-loc {
  font: .72rem/1 var(--font-ui);
  color: var(--tx-3);
  letter-spacing: .03em;
}

/* ── Home sections ── */
.h-sec {
  padding: 2.25rem 0;
  border-top: 1px solid var(--bd);
}
.h-sec-hd {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.sec-lbl {
  font: 700 .63rem/1 var(--font-ui);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tx-3);
}
.sec-all {
  font: .72rem/1 var(--font-ui);
  color: var(--tx-2);
  transition: color var(--tr);
}
.sec-all:hover { color: var(--or); }

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: .75rem;
}
.card {
  border: 1px solid var(--bd);
  border-radius: var(--r);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  color: var(--tx);
  transition: border-color var(--tr), background var(--tr), transform var(--tr);
  overflow: hidden;
}
.card:hover {
  border-color: var(--or-bd);
  background: var(--or-bg);
  transform: translateY(-1px);
}
.card-img {
  margin: -1rem -1.1rem .75rem;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-2);
  border-radius: var(--r) var(--r) 0 0;
  flex-shrink: 0;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 300ms ease;
}
.card:hover .card-img img { transform: scale(1.04); }
.card-title {
  font: 600 .875rem/1.3 var(--font-body);
  transition: color var(--tr);
}
.card:hover .card-title { color: var(--or); }
.card-desc {
  font-size: .8rem;
  color: var(--tx-2);
  line-height: 1.55;
  flex: 1;
}
.card-period {
  font: .65rem/1 var(--font-ui);
  color: var(--tx-3);
  margin-top: auto;
}
.work-period {
  font: .72rem/1 var(--font-ui);
  color: var(--tx-3);
  margin-bottom: .5rem;
}
.card-tags { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .25rem; }

/* ── Tags ── */
.tag {
  font: .63rem/1 var(--font-ui);
  color: var(--tx-2);
  border: 1px solid var(--bd);
  border-radius: 3px;
  padding: .2rem .45rem;
  transition: all var(--tr);
  white-space: nowrap;
}
.card:hover .tag { border-color: var(--or-bd); color: var(--or); }

/* ── Post list ── */
.post-list { display: flex; flex-direction: column; }
.post-row {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: .55rem 0;
  border-bottom: 1px solid var(--bd);
  color: var(--tx);
}
.post-row:last-child { border-bottom: none; }
.post-row:hover .post-title { color: var(--or); }
.post-dt {
  font: .7rem/1 var(--font-ui);
  color: var(--tx-3);
  padding-top: .1rem;
}
.post-title { font-size: .875rem; line-height: 1.45; transition: color var(--tr); }

/* ── Page header ── */
.pg-hd {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--bd);
  margin-bottom: 2.5rem;
}
.pg-hd h1 {
  font: 700 clamp(1.5rem, 4vw, 2.25rem)/1.15 var(--font-d);
  letter-spacing: -.03em;
  margin-bottom: .5rem;
}
.pg-hd p { font-size: .9rem; color: var(--tx-2); }

/* ── Image grid (work single, multiple images) ── */
.img-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: .75rem;
}

/* ── Work single ── */
.work-hd { margin-bottom: 2.5rem; }
.work-hd h1 {
  font: 700 clamp(1.5rem, 4vw, 2rem)/1.2 var(--font-d);
  letter-spacing: -.025em;
  margin-bottom: .75rem;
}
.work-hd-desc { font-size: .95rem; color: var(--tx-2); margin-bottom: 1rem; line-height: 1.6; }
.work-links { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1.25rem; }

/* ── Post single ── */
.post-hd { margin-bottom: 2.5rem; }
.post-hd h1 {
  font: 700 clamp(1.4rem, 4vw, 1.9rem)/1.2 var(--font-d);
  letter-spacing: -.025em;
  margin-bottom: .75rem;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  font: .7rem/1 var(--font-ui);
  color: var(--tx-3);
}

/* ── Prose ── */
.prose { line-height: 1.8; max-width: 60ch; }
.prose h2 {
  font: 600 1.15rem/1.25 var(--font-d);
  letter-spacing: -.02em;
  margin: 2.5rem 0 .75rem;
}
.prose h3 {
  font: 600 1rem/1.3 var(--font-body);
  margin: 2rem 0 .5rem;
}
.prose p { margin-bottom: 1.15rem; }
.prose p:last-child { margin-bottom: 0; }
.prose a { color: var(--or); text-underline-offset: 3px; text-decoration: underline; }
.prose a:hover { text-decoration: none; }
.prose ul, .prose ol { margin: 1rem 0; padding-left: 1.5rem; }
.prose li { margin-bottom: .4rem; }
.prose code {
  font: .85em/1 var(--font-code);
  background: var(--bg-1);
  border: 1px solid var(--bd);
  border-radius: 3px;
  padding: .12em .4em;
}
.prose pre {
  background: var(--bg-1);
  border: 1px solid var(--bd);
  border-radius: var(--r);
  padding: 1.15rem;
  overflow-x: auto;
  margin: 1.25rem 0;
  font-size: .82rem;
  line-height: 1.6;
}
.prose pre code { background: none; border: none; padding: 0; font-size: inherit; }
.prose blockquote {
  border-left: 2px solid var(--or);
  padding-left: 1.1rem;
  color: var(--tx-2);
  font-style: italic;
  margin: 1.5rem 0;
}
.prose hr { border: none; border-top: 1px solid var(--bd); margin: 2.5rem 0; }
.prose img { border-radius: var(--r); margin: 1.5rem 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .875rem; }
.prose th, .prose td { text-align: left; padding: .5rem .75rem; border-bottom: 1px solid var(--bd); }
.prose th {
  font: 600 .68rem/1 var(--font-ui);
  color: var(--tx-2);
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ── About ── */
.about-wrap { max-width: 600px; }

/* ── Social pills / link buttons ── */
.socials { display: flex; flex-wrap: wrap; gap: .5rem; }
.soc-pill, .btn {
  font: .7rem/1 var(--font-ui);
  color: var(--tx-2);
  background: var(--bg-1);
  border: 1px solid var(--bd);
  border-radius: 4px;
  padding: .45rem .85rem;
  transition: all var(--tr);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}
.soc-pill:hover, .btn:hover {
  color: var(--or);
  border-color: var(--or-bd);
  background: var(--or-bg);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  :root { --pad: 1rem; }
  .site-nav { gap: 1.25rem; }
  .card-grid { grid-template-columns: 1fr; }
  .post-row { grid-template-columns: 1fr; gap: .15rem; }
  main { padding-bottom: 3rem; }
}