/* Reset, typography, shared elements. */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { background: var(--bg); -webkit-text-size-adjust: 100%; scrollbar-gutter: stable; scroll-padding-top: calc(var(--header-h) + var(--s-2)); } /* no sideways jump between short and long pages */

/* Page changes: the header stays, the nav mark glides to the new page, the content rises in. */
@view-transition { navigation: auto; }
.site-header { view-transition-name: site-header; }
.nav-mark { view-transition-name: nav-mark; }
main { view-transition-name: page; }
::view-transition-group(*) { animation-duration: .32s; animation-timing-function: var(--ease); }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .18s; }
::view-transition-old(site-header), ::view-transition-new(site-header) { animation: none; }
::view-transition-old(page) { animation: .1s ease-out both vt-out; }
::view-transition-new(page) { animation: .28s var(--ease) .1s both vt-rise; }
/* the footer moves with the content, so it can't show up early over the old page */
.site-footer { view-transition-name: site-footer; }
::view-transition-group(site-footer) { animation: none; }
::view-transition-old(site-footer) { display: none; }
::view-transition-new(site-footer) { animation: .28s var(--ease) .1s both vt-rise; }
@keyframes vt-out { to { opacity: 0; } }
@keyframes vt-rise { from { opacity: 0; transform: translateY(10px); } }
@media (prefers-reduced-motion: reduce) { @view-transition { navigation: none; } }
/* theme switch: the whole page is one layer, revealed as a circle from the toggle (site.js) */
html.theme-vt .site-header, html.theme-vt main, html.theme-vt .site-footer, html.theme-vt .nav-mark { view-transition-name: none !important; }
html.theme-vt::view-transition-group(root) { animation: none; }
html.theme-vt::view-transition-old(root), html.theme-vt::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text);
  font: 400 var(--t-base)/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
main { flex: 1; }

img, svg { display: block; max-width: 100%; }
h1, h2, h3 { text-wrap: balance; overflow-wrap: break-word; }
p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
a, button, input, textarea, label { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1rem; }
@media (min-width: 768px) { .wrap { padding: 0 2rem; } }

.skip-link {
  position: absolute; left: -999px; top: var(--s-1); z-index: 20;
  background: var(--text); color: var(--bg); padding: var(--s-1) var(--s-2); border-radius: 4px;
}
.skip-link:focus { left: var(--s-1); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* buttons & links */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-1);
  padding: var(--s-2) var(--s-3);
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  font-size: var(--t-ui); font-weight: 500; line-height: 1.2; color: var(--text);
  background: none; cursor: pointer;
  transition: border-color .15s var(--ease), background .15s var(--ease), transform .1s var(--ease);
}
.btn:hover { border-color: var(--text-2); background: var(--bg-2); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--text); border-color: var(--text); color: var(--bg); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }

.link {
  color: var(--text-2); padding-bottom: 2px;
  background: linear-gradient(var(--accent), var(--accent)) 0 100% / 0 1px no-repeat,
              linear-gradient(var(--border-strong), var(--border-strong)) 0 100% / 100% 1px no-repeat;
  transition: color .15s var(--ease), background-size .2s var(--ease);
}
.link:hover { color: var(--text); background-size: 100% 1px, 100% 1px; }

/* sections */
.section { padding: clamp(var(--s-5), 9vw, var(--s-6)) 0; border-bottom: 1px solid var(--border); }
.section-head {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: var(--s-1) var(--s-3); margin-bottom: var(--s-4);
}
.labelled { display: grid; gap: var(--s-4); }
@media (min-width: 900px) { .labelled { grid-template-columns: 1fr 1.618fr; gap: var(--s-5); } }
.labelled > h2 { font-size: clamp(var(--t-lg), 3vw, var(--t-h3)); font-weight: 600; letter-spacing: -0.025em; line-height: 1.2; }
.note { margin-top: var(--s-3); font-size: var(--t-sm); color: var(--muted); }
.section-head h2 { font-size: clamp(var(--t-lg), 3vw, var(--t-h3)); font-weight: 600; letter-spacing: -0.025em; line-height: 1.2; }

/* simple page header (placeholder and inner pages) */
.page-head { padding: clamp(var(--s-5), 9vw, var(--s-6)) 0 var(--s-5); border-bottom: 1px solid var(--border); }
.page-head h1 { font-size: clamp(var(--t-h3), 5vw, var(--t-h2)); font-weight: 600; letter-spacing: -0.03em; line-height: 1.12; }
.page-head p { margin-top: var(--s-3); max-width: var(--read); color: var(--text-2); }
.page-head .lead { font-size: var(--t-lg); line-height: 1.5; }
.page-head .status { margin-top: var(--s-4); }

/* status line: accent dot + short text */
.status { display: flex; align-items: center; gap: var(--s-1); font-size: var(--t-sm); color: var(--text-2); }
.status::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* contact band, closes the homepage and inner pages */
.cta .wrap { display: grid; gap: var(--s-3); }
.cta-action { display: grid; justify-items: start; gap: var(--s-2); }
@media (min-width: 900px) { .cta .wrap { grid-template-columns: 1.618fr 1fr; align-items: end; } .cta-action { justify-items: end; } }
.cta h2 { font-size: clamp(var(--t-h3), 4vw, var(--t-h2)); font-weight: 600; letter-spacing: -0.03em; line-height: 1.15; max-width: 36rem; }
.cta p { margin-top: var(--s-2); max-width: 34rem; color: var(--text-2); }


@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}