/* Blog shell — Lumyn ink room, editorial list. */
:root {
  color-scheme: dark;
  --ink-0: oklch(0.155 0.021 275);
  --ink-1: oklch(0.205 0.022 275);
  --ink-2: oklch(0.262 0.024 275);
  --chalk: oklch(0.965 0.004 275);
  --smoke: oklch(0.685 0.014 275);
  --brand: oklch(0.60 0.20 285);
  --brand-cyan: oklch(0.70 0.13 220);
  --border: oklch(0.30 0.020 275 / 0.7);
  --radius: 0.5rem;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --t-quick: 180ms;
  --measure: 40rem;
  --shell: 44rem;
  --pad: clamp(1.25rem, 4vw, 1.75rem);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--ink-0);
  color: var(--chalk);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.top {
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklab, var(--ink-0) 92%, transparent);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.top-inner, .foot-inner, main, .cta {
  width: min(100%, var(--shell));
  margin-inline: auto;
  padding-inline: var(--pad);
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 3.25rem;
  padding-block: 0.35rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--chalk);
  text-decoration: none;
  min-height: 2.75rem;
}
.brand-mark { display: block; width: 1.5rem; height: 1.5rem; flex-shrink: 0; }
.brand-foot .brand-mark { width: 1.25rem; height: 1.25rem; }
.brand-name {
  font-weight: 650;
  letter-spacing: -0.035em;
  font-size: 1rem;
}
nav {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
nav a, .foot-links a {
  color: var(--smoke);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0 0.55rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}
nav a:hover, .foot-links a:hover { color: var(--chalk); }
.nav-cta {
  color: var(--ink-0) !important;
  background: var(--chalk);
  font-weight: 600;
  padding-inline: 0.85rem !important;
  margin-left: 0.2rem;
}
.nav-cta:hover { opacity: 0.92; color: var(--ink-0) !important; }
main {
  flex: 1;
  padding-block: clamp(2.5rem, 6vw, 3.75rem) 2rem;
}
.blog-head { margin: 0 0 clamp(2.5rem, 5vw, 3.25rem); }
.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--smoke);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.blog-head h1 {
  font-size: clamp(1.85rem, 4.5vw, 2.55rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
  font-weight: 650;
  margin: 0 0 0.9rem;
  max-width: 22ch;
}
.lede {
  margin: 0;
  color: var(--smoke);
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 36rem;
}
article { width: min(100%, var(--measure)); }
.post-head { margin: 0 0 1.75rem; }
.post-head .meta {
  color: var(--smoke);
  font-size: 0.8rem;
  letter-spacing: 0.01em;
  margin: 0 0 0.85rem;
}
.post-head h1 {
  font-size: clamp(1.75rem, 4.5vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
  font-weight: 650;
  margin: 0;
}
.prose h2 {
  font-size: 1.2rem;
  margin: 2.25rem 0 0.7rem;
  letter-spacing: -0.02em;
  font-weight: 650;
}
.prose h3 { font-size: 1.05rem; margin: 1.6rem 0 0.45rem; letter-spacing: -0.015em; }
.prose p { margin: 0 0 1.15rem; }
.prose ul { padding-left: 1.2rem; margin: 0 0 1.15rem; }
.prose li { margin: 0 0 0.4rem; }
.prose a { color: var(--brand-cyan); text-decoration: none; }
.prose a:hover { text-decoration: underline; text-underline-offset: 0.15em; }
.prose code {
  font-size: 0.92em;
  padding: 0.1em 0.35em;
  border-radius: 0.3rem;
  background: var(--ink-2);
}
.hero {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 2rem;
  border-radius: 0.35rem;
  background: var(--ink-1);
}
.adult-note {
  margin: 0 0 1.5rem;
  color: var(--smoke);
  font-size: 0.8rem;
  letter-spacing: 0.01em;
}
.faq {
  margin: 2.75rem 0 0;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
  width: min(100%, var(--measure));
}
.faq h2 { margin: 0 0 0.5rem; font-size: 1.2rem; letter-spacing: -0.02em; }
.faq dt { font-weight: 600; margin: 1.15rem 0 0.35rem; }
.faq dd { margin: 0; color: var(--smoke); }
.cta {
  margin: 1rem auto 2.5rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--border);
  background: transparent;
}
.cta-title { margin: 0 0 0.3rem; font-weight: 650; letter-spacing: -0.02em; }
.cta-copy { margin: 0 0 1rem; color: var(--smoke); font-size: 0.95rem; }
.cta-actions { margin: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
article > .cta-actions { margin: 1.75rem 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.6rem;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius);
  background: var(--chalk);
  color: var(--ink-0);
  text-decoration: none;
  font-weight: 600;
  transition: opacity var(--t-quick) var(--ease);
}
.btn:hover { opacity: 0.92; }
.btn.ghost {
  background: transparent;
  color: var(--chalk);
  border: 1px solid var(--border);
}
footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-block: 1.5rem 2.5rem;
  color: var(--smoke);
  font-size: 0.875rem;
}
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 0.1rem; margin: 0; }
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li {
  margin: 0;
  border-bottom: 1px solid var(--border);
}
.post-list li:first-child { border-top: 1px solid var(--border); }
.post-row {
  display: flex;
  align-items: center;
  gap: 1.25rem 1.5rem;
  padding: 1.65rem 0;
  color: inherit;
  text-decoration: none;
  transition: background var(--t-quick) var(--ease);
}
.post-row:hover .title { color: var(--brand-cyan); }
.post-copy { flex: 1; min-width: 0; }
.post-date {
  color: var(--smoke);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  margin: 0 0 0.55rem;
}
.post-date time { color: inherit; }
.post-list .title {
  color: var(--chalk);
  font-size: clamp(1.2rem, 2.8vw, 1.4rem);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin: 0 0 0.45rem;
  transition: color var(--t-quick) var(--ease);
}
.post-list .desc {
  color: var(--smoke);
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.5;
  max-width: 38rem;
}
.post-thumb {
  flex: 0 0 7.5rem;
  width: 7.5rem;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 0.3rem;
  background: var(--ink-1);
}
@media (max-width: 520px) {
  .top-inner { align-items: flex-start; flex-direction: column; min-height: 0; padding-block: 0.65rem; }
  nav { width: 100%; justify-content: flex-start; }
  .nav-cta { margin-left: 0; }
  .post-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.9rem;
    padding: 1.35rem 0;
  }
  .post-thumb { width: 100%; order: -1; }
}