/* Vogue-inspired editorial theme for Circuitova + standardized header/footer. */

/* ---------- header / footer (standard layout) ---------- */
.site-header {
  background: #ffffff;
  border-bottom: 2px solid #111111;
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
  flex-wrap: wrap;
}
.site-header .logo {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #111111;
  text-decoration: none;
}
.site-header .logo span { font-weight: 400; letter-spacing: 0.16em; }
.site-header .nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.site-header .nav > a { color: #111111; text-decoration: none; }
.site-header .nav > a:hover { color: #a3132c; }
.site-header .dropdown { position: relative; }
.site-header .dropdown summary {
  cursor: pointer;
  list-style: none;
  color: #111111;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.site-header .dropdown summary::-webkit-details-marker { display: none; }
.site-header .dropdown summary::after {
  content: "";
  width: 0.38rem;
  height: 0.38rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
}
.site-header .dropdown[open] summary::after { transform: rotate(225deg) translateY(-1px); }
.site-header .dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.8rem);
  min-width: 220px;
  background: #ffffff;
  border: 1px solid #111111;
  padding: 0.5rem;
  display: grid;
  gap: 0.1rem;
}
.site-header .dropdown-menu a {
  padding: 0.55rem 0.7rem;
  color: #333333;
  text-decoration: none;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 0.85rem;
  letter-spacing: 0;
  text-transform: none;
}
.site-header .dropdown-menu a:hover { background: #f2f2f2; color: #111111; }

.site-footer {
  background: #ffffff;
  border-top: 2px solid #111111;
  color: #333333;
  padding-top: 3rem;
  margin-top: 3rem;
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 2.5rem;
  padding-block: 0 2.5rem;
}
.site-footer .footer-logo {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #111111;
  margin: 0 0 0.9rem;
}
.site-footer p { color: #555555; font-family: Georgia, "Times New Roman", serif; font-size: 0.95rem; }
.site-footer h3 {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #a3132c;
  margin: 0 0 0.9rem;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.45rem; }
.site-footer li a { color: #333333; text-decoration: none; font-size: 0.9rem; }
.site-footer li a:hover { color: #a3132c; }
.site-footer .footer-bottom {
  border-top: 1px solid #dcdcdc;
  padding-block: 1.1rem 1.4rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-footer .footer-bottom p { margin: 0; font-size: 0.78rem; color: #777777; font-family: Consolas, "Courier New", monospace; letter-spacing: 0.06em; }

/* ---------- main ---------- */
main {
  --t-bg: #ffffff;
  --t-soft: #f4f2ee;
  --t-ink: #111111;
  --t-text: #2b2b2b;
  --t-muted: #6b6b6b;
  --t-accent: #a3132c;
  --t-line: #dedad3;
  --t-serif: Georgia, "Times New Roman", "Noto Serif", serif;
  --t-sans: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --t-mono: Consolas, "Courier New", monospace;
  background: var(--t-bg);
  color: var(--t-text);
}

main .wrap { width: min(100% - 6vw, 1120px); margin-inline: auto; padding-block: 2.2rem 4.2rem; }

main h1, main h2, main h3, main h4 {
  font-family: var(--t-serif);
  font-weight: 400;
  color: var(--t-ink);
  letter-spacing: -0.01em;
  line-height: 1.12;
}
main h2 { font-weight: 400; }
main .mono {
  font-family: var(--t-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--t-muted);
}

/* hero */
main .hero { padding-block: 3rem 2.6rem; align-items: center; }
main .kicker { color: var(--t-muted); }
main .kicker span { color: var(--t-accent); }
main .hero h1 { font-size: clamp(2.5rem, 4.8vw, 4rem); font-weight: 400; }
main .hero h1 em { font-style: italic; color: var(--t-ink); }
main .hero .lede { font-family: var(--t-serif); font-size: 1.12rem; color: var(--t-muted); max-width: 46ch; }
main .btn,
main .hero .btn {
  background: #111111;
  border: 1px solid #111111;
  color: #ffffff;
  border-radius: 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  padding: 0.9rem 1.5rem;
}
main .btn:hover { background: var(--t-accent); border-color: var(--t-accent); color: #fff; }
main .btn-line { background: transparent; color: #111111; border: 1px solid #111111; }
main .btn-line:hover { background: #111111; color: #fff; }
main .hero-spec { font-family: var(--t-mono); font-size: 0.66rem; letter-spacing: 0.1em; }
main .hero-spec span { color: var(--t-accent); }
main .hero-media { border: 0; }
main .hero-media img { filter: grayscale(0.15); }
main .hero-media::after { border-color: #ffffff; }
main .hero-media figcaption { background: #ffffff; color: #111111; }
main .hero-media figcaption span:last-child { color: var(--t-accent); }
main .frame { border-color: #ffffff; }

/* sections */
main .section { padding-block: 2.6rem; border-top: 1px solid var(--t-line); }
main .section-code { color: var(--t-accent); }
main .section-head h2 { font-size: clamp(1.7rem, 2.9vw, 2.3rem); }
main .section-sub { color: var(--t-muted); font-family: var(--t-serif); }

/* cards */
main .card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; }
main .unit-card,
main .card-grid .unit-card {
  display: flex;
  flex-direction: column;
  border: 0;
  border-top: 2px solid #111111;
  border-radius: 0;
  background: transparent;
  padding-top: 1rem;
}
main .unit-card.lead,
main .card-grid .unit-card.lead { border-left: 0; border-top: 2px solid #111111; }
main .unit-card:hover { border-color: #111111; }
main .unit-media,
main .card-grid .unit-media { aspect-ratio: 4 / 5; overflow: hidden; }
main .unit-media img { width: 100%; height: 100%; object-fit: cover; }
main .unit-card:hover .unit-media img { transform: scale(1.02); }
main .unit-body,
main .card-grid .unit-body { padding: 0.9rem 0 0; }
main .unit-code { color: var(--t-accent); font-family: var(--t-mono); font-size: 0.62rem; letter-spacing: 0.16em; }
main .unit-title,
main .card-grid .unit-title { font-family: var(--t-serif); font-size: 1.3rem; font-weight: 400; }
main .unit-title a { color: var(--t-ink); text-decoration: none; }
main .unit-title a:hover { color: var(--t-accent); }
main .unit-excerpt { color: var(--t-muted); font-size: 0.92rem; font-family: var(--t-serif); }
main .unit-meta { border-top: 1px solid var(--t-line); padding-top: 0.6rem; font-family: var(--t-mono); font-size: 0.62rem; letter-spacing: 0.08em; color: var(--t-muted); }
main .unit-go { color: var(--t-accent); }

/* category list */
main .cat-list { border-top: 2px solid #111111; }
main .other-cats ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; }
main .other-cats li { margin: 0; }
main .other-cats a {
  border: 1px solid var(--t-line);
  padding: 0.5rem 0.9rem;
  text-decoration: none;
  font-family: var(--t-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t-ink);
}
main .other-cats a:hover { border-color: var(--t-accent); color: var(--t-accent); }

/* pages + article */
main .page-head h1 { font-size: clamp(2.2rem, 4.2vw, 3.2rem); }
main .kicker { font-family: var(--t-mono); }
main .lede { color: var(--t-muted); font-family: var(--t-serif); }
main .article-head h1 { font-size: clamp(2.2rem, 4.4vw, 3.4rem); font-weight: 400; }
main .prose { font-family: var(--t-serif); font-size: 1.12rem; line-height: 1.8; color: var(--t-text); max-width: 66ch; }
main .prose h2 { font-size: 1.65rem; margin-top: 2.1em; font-weight: 400; }
main .prose h3 { font-size: 1.2rem; font-weight: 700; }
main .prose a { color: var(--t-accent); }
main .prose blockquote { border-left: 2px solid #111111; margin-left: 0; padding-left: 1.3rem; font-style: italic; color: var(--t-muted); }
main .article-figure figcaption { font-family: var(--t-mono); font-size: 0.62rem; letter-spacing: 0.1em; color: var(--t-muted); }
main .faq details { border-top: 1px solid var(--t-line); }
main .faq summary { font-family: var(--t-serif); font-size: 1.1rem; color: var(--t-ink); }
main .related { border-top: 1px solid var(--t-line); }
main .breadcrumb a { color: var(--t-muted); }
main .breadcrumb a:hover { color: var(--t-accent); }
main .checks { border: 1px solid var(--t-line); background: var(--t-soft); }

@media (max-width: 960px) {
  main .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  main .card-grid { grid-template-columns: 1fr; }
  main .hero h1 { font-size: 2.2rem; }
  .site-footer .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
}