:root {
  --luk-ink: #f3f1ec;
  --luk-dim: rgba(243, 241, 236, 0.62);
  --luk-faint: rgba(243, 241, 236, 0.14);
  --luk-ground: #0c0c0d;
  --luk-raise: #17171a;
  --luk-hot: #ff5a36;
  --luk-max: 72rem;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.luk-body {
  margin: 0;
  background: var(--luk-ground);
  color: var(--luk-ink);
  font: 1rem/1.7 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.luk-top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  background: rgba(12, 12, 13, 0.9);
  border-bottom: 1px solid var(--luk-faint);
}
.luk-id { display: flex; align-items: center; gap: 0.6rem; color: var(--luk-ink); text-decoration: none; font-weight: 700; }
.luk-id svg { width: 1.7rem; height: 1.7rem; }
.luk-menu { display: flex; gap: 1.1rem; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; font-weight: 600; font-size: 0.95rem; }
.luk-menu a { color: var(--luk-dim); text-decoration: none; }
.luk-menu a:hover, .luk-menu a[aria-current] { color: var(--luk-ink); }
.luk-page { max-width: var(--luk-max); margin: 0 auto; padding: 0 1.25rem 4rem; }
.luk-hero { display: grid; grid-template-columns: 1fr; gap: 2rem; padding: 3rem 0 2rem; align-items: center; }
@media (min-width: 52rem) { .luk-hero { grid-template-columns: 1.4fr 1fr; } }
.luk-flag { margin: 0 0 1rem; font: 700 0.8rem/1.6 ui-monospace, Menlo, Consolas, monospace; letter-spacing: 0.08em; }
.luk-flag-hot { color: var(--luk-hot); }
.luk-hero h1 { font-size: clamp(2rem, 6vw, 3.9rem); line-height: 1.05; margin: 0 0 1.25rem; letter-spacing: -0.02em; }
.luk-hero h1 em { font-style: normal; color: var(--luk-hot); display: block; }
.luk-lede { color: var(--luk-dim); max-width: 40rem; }
.luk-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.luk-btn { display: inline-block; padding: 0.7rem 1.3rem; border-radius: 999px; background: var(--luk-ink); color: var(--luk-ground); font-weight: 700; text-decoration: none; }
.luk-btn-quiet { background: transparent; color: var(--luk-ink); border: 1px solid var(--luk-faint); }
.luk-portrait { margin: 0; }
.luk-portrait img { width: 100%; max-width: 22rem; height: auto; border-radius: 1.5rem; display: block; margin: 0 auto; }
.luk-works h2, .luk-block h2 { font-size: 1.5rem; margin: 3rem 0 0.5rem; letter-spacing: -0.01em; }
.luk-hint { color: var(--luk-dim); margin: 0 0 1.5rem; }
.luk-wall { column-count: 1; column-gap: 1rem; }
@media (min-width: 38rem) { .luk-wall { column-count: 2; } }
@media (min-width: 62rem) { .luk-wall { column-count: 3; } }
.luk-work { break-inside: avoid; margin: 0 0 1rem; background: var(--luk-raise); border-radius: 1rem; overflow: hidden; }
.luk-work img { display: block; width: 100%; height: auto; }
.luk-work figcaption { padding: 0.6rem 0.9rem; font-size: 0.85rem; color: var(--luk-dim); }
.luk-work figcaption a { color: var(--luk-hot); }
.luk-twin { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 52rem) { .luk-twin { grid-template-columns: 1fr 1fr; } }
.luk-line { display: block; padding: 0.7rem 0; border-bottom: 1px solid var(--luk-faint); color: var(--luk-ink); text-decoration: none; margin: 0; }
a.luk-line:hover { color: var(--luk-hot); }
.luk-plain { margin: 0 0 0.8rem; color: var(--luk-dim); }
.luk-contact { margin-top: 3rem; padding: 1.75rem; background: var(--luk-raise); border-radius: 1.25rem; }
.luk-contact h2 { margin-top: 0; }
.luk-contact a { color: var(--luk-hot); }
.luk-read { max-width: 44rem; margin: 0 auto; padding: 3rem 1.25rem 4rem; }
.luk-read h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); line-height: 1.1; margin: 0 0 1rem; letter-spacing: -0.02em; }
.luk-read h2 { font-size: 1.3rem; margin: 2.2rem 0 0.4rem; color: var(--luk-hot); }
.luk-read p { color: var(--luk-dim); }
.luk-read figure { margin: 1.5rem 0; }
.luk-read figure img { width: 100%; height: auto; border-radius: 1rem; display: block; }
.luk-quote { margin: 1.5rem 0; padding-left: 1.1rem; border-left: 3px solid var(--luk-hot); font-size: 1.15rem; color: var(--luk-ink); }
.luk-foot { max-width: var(--luk-max); margin: 0 auto; padding: 1.5rem 1.25rem 3rem; border-top: 1px solid var(--luk-faint); color: var(--luk-dim); font-size: 0.9rem; }
.luk-foot p { margin: 0 0 0.5rem; }
.luk-foot a { color: var(--luk-ink); }