:root {
  color-scheme: light dark;
  --bg: #fbf9fe;
  --surface: #f1f0f6;
  --surface-strong: #e8e7ee;
  --text: #1a1b20;
  --muted: #5f606a;
  --line: #dedde5;
  --accent: #2f5e8d;
  --accent-strong: #20496f;
  --on-accent: #ffffff;
  --max: 1120px;
  --radius: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121318;
    --surface: #1e2027;
    --surface-strong: #282a32;
    --text: #e5e2e9;
    --muted: #c2c0c9;
    --line: #3a3b44;
    --accent: #a6c9f7;
    --accent-strong: #c2dcff;
    --on-accent: #102e4b;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 10; padding: 8px 12px; background: var(--text); color: var(--bg); }
.skip-link:focus { top: 16px; }
.site-shell { min-height: 100vh; display: flex; flex-direction: column; }
.site-header { border-bottom: 1px solid var(--line); }
.site-header__inner { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__mark { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--text); border-radius: 50%; font-weight: 750; letter-spacing: 0; }
.brand__text { display: grid; line-height: 1.15; }
.brand__text strong { font-size: 1rem; }
.brand__text small { color: var(--muted); font-size: .7rem; margin-top: 3px; }
.site-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 20px; font-size: .9rem; }
.site-nav a { color: var(--muted); text-decoration: none; padding: 8px 0; border-bottom: 2px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); border-bottom-color: var(--accent); }
main { flex: 1; }
.hero { padding-top: clamp(40px, 5vw, 64px); padding-bottom: clamp(40px, 5vw, 56px); }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: .73rem; font-weight: 760; letter-spacing: .08em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.15; letter-spacing: 0; }
h1 { max-width: 760px; font-size: clamp(2.8rem, 5vw, 4.4rem); font-weight: 760; }
h2 { font-size: clamp(1.8rem, 4vw, 2.55rem); }
h3 { font-size: 1.08rem; }
.hero__lead { max-width: 610px; margin: 16px 0 0; color: var(--muted); font-size: clamp(1.05rem, 1.8vw, 1.22rem); line-height: 1.45; }
.hero__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 20px; color: var(--muted); font-size: .78rem; }
.dot { width: 4px; height: 4px; border-radius: 50%; background: currentColor; display: inline-block; }
.home-sections { padding-bottom: 48px; }
.section-block { padding: 34px 0; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 18px; }
.text-link { color: var(--accent-strong); font-size: .9rem; text-decoration: none; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.card-grid { display: grid; gap: 12px; }
.card-grid--notes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid--products { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.content-card, .product-card { position: relative; min-height: 176px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.content-card:hover, .product-card:hover { border-color: var(--accent); }
.content-card__meta, .post__meta { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: .76rem; }
.content-card h3, .product-card h3 { max-width: 88%; margin-top: 14px; }
.content-card h3 a, .product-card h3 a, .timeline-item h3 a { text-decoration: none; }
.content-card h3 a:hover, .product-card h3 a:hover, .timeline-item h3 a:hover { color: var(--accent-strong); }
.content-card p, .product-card p { margin: 8px 0 0; color: var(--muted); font-size: .86rem; line-height: 1.45; }
.card-arrow { position: absolute; right: 20px; bottom: 18px; color: var(--accent); text-decoration: none; font-size: 1.3rem; }
.product-card { min-height: 188px; background: transparent; }
.product-card__topline { display: flex; align-items: center; justify-content: space-between; color: var(--muted); }
.product-card__icon { color: var(--accent); font-size: 1.15rem; }
.product-card__tag { font-size: .72rem; }
.product-card .text-link { position: absolute; left: 18px; bottom: 16px; }
.timeline-list { border-left: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 112px 1fr; gap: 22px; padding: 0 0 20px 20px; position: relative; }
.timeline-item::before { content: ""; position: absolute; width: 7px; height: 7px; left: -4px; top: 7px; border-radius: 50%; background: var(--accent); }
.timeline-item > time { color: var(--muted); font-size: .8rem; }
.timeline-item__body p { margin: 8px 0 0; color: var(--muted); font-size: .9rem; }
.empty-state { margin: 0; padding: 16px 0; color: var(--muted); }
.section-block--about { padding-bottom: 0; border-bottom: 0; }
.about-panel { max-width: 700px; padding: 20px 0 0; }
.about-panel h2 { max-width: 620px; }
.about-panel p:not(.eyebrow) { max-width: 560px; margin: 18px 0 22px; color: var(--muted); }
.site-footer { border-top: 1px solid var(--line); }
.site-footer__inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); font-size: .8rem; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { color: var(--text); }
.listing { padding-top: 56px; padding-bottom: 64px; }
.listing__header { max-width: 720px; padding-bottom: 32px; }
.listing__header h1 { font-size: clamp(2.5rem, 7vw, 5rem); }
.listing__lead { margin: 20px 0 0; color: var(--muted); font-size: 1.1rem; }
.listing__items { display: grid; gap: 12px; }
.listing__items .content-card { min-height: 180px; }
.pagination { display: flex; justify-content: space-between; gap: 16px; margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); }
.pagination a { color: var(--accent-strong); text-decoration: none; }
.post, .page { padding-top: 56px; padding-bottom: 72px; }
.post__header, .page__header { max-width: 800px; margin-bottom: 30px; }
.post__header h1, .page__header h1 { margin-top: 18px; font-size: clamp(2.4rem, 6vw, 5rem); }
.post__excerpt, .page__lead { margin: 20px 0 0; color: var(--muted); font-size: 1.15rem; line-height: 1.5; }
.post__image { margin: 0 auto 48px; max-width: 920px; }
.post__image img { display: block; width: 100%; max-height: 560px; object-fit: cover; border-radius: var(--radius); }
.post__image figcaption { margin-top: 8px; color: var(--muted); font-size: .8rem; }
.post__content, .page__content { max-width: 720px; font-size: 1.06rem; }
.gh-content > * { margin-top: 1.35em; margin-bottom: 0; }
.gh-content > :first-child { margin-top: 0; }
.gh-content h2 { margin-top: 2.4em; font-size: 1.65rem; }
.gh-content h3 { margin-top: 2em; font-size: 1.25rem; }
.gh-content a { color: var(--accent-strong); }
.gh-content img { max-width: 100%; height: auto; border-radius: var(--radius); }
.gh-content .kg-width-wide { width: min(100%, 920px); margin-inline: auto; }
.gh-content .kg-width-full { width: 100vw; max-width: 100vw; margin-left: 50%; transform: translateX(-50%); }
.gh-content .kg-width-full img { width: 100%; border-radius: 0; }
.gh-content blockquote { margin-left: 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--accent); color: var(--muted); }
.gh-content pre { overflow-x: auto; padding: 18px; border-radius: var(--radius); background: var(--surface); font-size: .88rem; }
.gh-content code { font-size: .9em; }
.post__footer { display: flex; flex-wrap: wrap; gap: 8px; max-width: 720px; margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line); }
.tag { color: var(--muted); font-size: .8rem; text-decoration: none; }
.tag:hover { color: var(--accent-strong); }
.button { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border-radius: var(--radius); background: var(--accent); color: var(--on-accent); text-decoration: none; font-weight: 700; }
.button:hover { background: var(--accent-strong); }
.not-found { padding-top: 90px; padding-bottom: 100px; }
.not-found h1 { font-size: clamp(2.5rem, 7vw, 5rem); }
.not-found p { max-width: 500px; margin: 20px 0 28px; color: var(--muted); }

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .site-header__inner { align-items: flex-start; flex-direction: column; padding-top: 14px; padding-bottom: 12px; gap: 10px; }
  .site-nav { justify-content: flex-start; gap: 14px 18px; }
  .hero { padding-top: 40px; padding-bottom: 40px; }
  .hero h1 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .section-block { padding: 30px 0; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
  .card-grid--notes, .card-grid--products { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; padding-left: 18px; }
  .site-footer__inner { align-items: flex-start; flex-direction: column; justify-content: center; padding: 18px 0; gap: 8px; }
  .listing, .post, .page { padding-top: 44px; padding-bottom: 56px; }
}