/* Shared identity: main site and its independent surfaces. */
:root {
  --page-gutter: clamp(20px, 4vw, 72px);
  --je-title-size: clamp(44px, 5.8vw, 88px);
  --je-section-size: clamp(28px, 3vw, 40px);
  --je-body-size: 16px;
  --je-body-leading: 1.65;
  --je-title-leading: 1.08;
}
html { background: #000; color-scheme: dark; }
html[data-theme=light] { background: #fff; color-scheme: light; }
body { --ink: #ededed; --muted: #aaa; --border: #363636; }
body.theme-invert { --ink: #202020; --muted: #626262; --border: #ccc; }
.display, .surface-title { font: 400 var(--je-title-size)/var(--je-title-leading) var(--font-display); letter-spacing: -.015em; }
.site-header { display: flex; align-items: center; flex-wrap: wrap; gap: 30px; padding: 28px var(--page-gutter); border: 0; position: relative; background: var(--surface); z-index: 20; }
.site-header .wordmark { max-width: none; margin: 0 auto 0 0; font: 600 15px/1.5 Arial, Helvetica, sans-serif; letter-spacing: .05em; text-transform: uppercase; text-decoration: none; }
.site-header .wordmark span { display: block; font-size: 10px; font-weight: 400; letter-spacing: .1em; color: var(--muted); }
.site-header .header-actions { display: flex; align-items: center; flex: 0 0 auto; gap: 12px; margin: 0; order: 3; }
.theme-toggle, .site-header .theme-toggle { display: grid; place-items: center; flex: 0 0 44px; width: 44px; height: 44px; min-width: 44px; min-height: 44px; padding: 10px; border: 0; background: transparent; color: var(--ink); cursor: pointer; }
.theme-toggle:hover, .theme-toggle:active { background: transparent; color: var(--ink); text-decoration: none; }
.theme-toggle svg { display: block; width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.3; }
.site-header .language-toggle { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; color: var(--ink); font: 400 11px/1.5 Arial, Helvetica, sans-serif; letter-spacing: .08em; text-decoration: none; }
.site-header .language-toggle:hover { text-decoration: underline; text-underline-offset: 6px; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
button:focus-visible { outline-offset: 3px; }
@media (max-width: 900px) { .site-header { gap: 14px; } }
@media (max-width: 680px) {
  :root { --je-title-size: 48px; }
  .site-header { padding: 18px var(--page-gutter); gap: 8px; }
  .site-header .wordmark { font-size: 13px; }
  .site-header .wordmark span { font-size: 8px; letter-spacing: .06em; }
  .site-header .header-actions { gap: 0; order: 2; }
}