/* Shared page styles: chrome, legal documents, home. Tokens from colors_and_type.css. */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; overflow-x: hidden; }

.grid-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(to right, rgba(232,232,232,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(232,232,232,0.06) 1px, transparent 1px);
  background-size: 128px 128px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 60%, transparent 100%);
}

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: 72px; background: var(--surface-bg);
  border-bottom: var(--border-hairline);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-7);
}
.nav__brand { display: flex; align-items: center; text-decoration: none; color: var(--text-primary); }
/* logo.svg is cropped to the glyphs, so the height is the real glyph height. */
.nav__brand img.wordmark { height: 28px; width: auto; display: block; }
.nav__links { display: flex; gap: var(--space-7); align-items: center; }
.nav__link {
  font-family: var(--font-mono); font-size: var(--text-xs);
  text-transform: uppercase; letter-spacing: var(--tracking-wider);
  color: var(--text-tertiary); text-decoration: none;
  padding: var(--space-2) 0; border-bottom: 1px solid transparent;
  transition: color 80ms linear, border-color 80ms linear;
}
.nav__link:hover { color: var(--text-primary); }
.nav__right { display: flex; align-items: center; gap: var(--space-5); }
.lang-switch {
  display: inline-flex; border: var(--border-hairline);
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
}
/* Buttons on the legal pages (lang.js), plain links on the two static home pages. */
.lang-switch button, .lang-switch a {
  appearance: none; background: transparent; color: var(--text-tertiary);
  border: 0; padding: 6px 10px; cursor: pointer; font: inherit;
  text-transform: uppercase; text-decoration: none;
  transition: background 80ms linear, color 80ms linear;
}
.lang-switch > * + * { border-left: var(--border-hairline); }
.lang-switch [aria-pressed="true"], .lang-switch [aria-current="true"] {
  background: var(--text-primary); color: var(--surface-bg);
}
.lang-switch > :hover:not([aria-pressed="true"]):not([aria-current="true"]) { color: var(--text-primary); }

.btn {
  appearance: none; background: transparent; border: var(--border-thin);
  color: var(--text-primary); padding: 10px var(--space-5);
  font-family: var(--font-mono); font-size: var(--text-xs);
  text-transform: uppercase; letter-spacing: var(--tracking-wider);
  text-decoration: none; cursor: pointer; display: inline-flex;
  align-items: center; gap: var(--space-3);
  transition: background 80ms linear, color 80ms linear;
}
.btn:hover { background: var(--text-primary); color: var(--surface-bg); }
.btn--solid { background: var(--text-primary); color: var(--surface-bg); }
.btn--solid:hover { background: transparent; color: var(--text-primary); }
.btn--mail { text-transform: none; letter-spacing: var(--tracking-wide); font-size: var(--text-sm); }

.skip { position: absolute; left: -9999px; }
.skip:focus {
  left: var(--space-5); top: var(--space-3); z-index: 60;
  background: var(--surface-inverse); color: var(--on-inverse-primary);
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-mono); font-size: var(--text-xs);
}

main { position: relative; z-index: 1; padding-top: 72px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-7); }
.eyebrow {
  font-family: var(--font-mono); font-size: var(--text-xs);
  text-transform: uppercase; letter-spacing: var(--tracking-wider);
  color: var(--text-tertiary);
}
.eyebrow-row { display: flex; align-items: center; gap: var(--space-3); }
.dot { width: 8px; height: 8px; background: var(--text-primary); display: inline-block; }

/* ── Hero ──────────────────────────────────────────── */
.page-hero {
  padding-block: var(--space-10) var(--space-9);
  border-bottom: var(--border-hairline);
}
.page-hero__crumb {
  display: flex; gap: var(--space-3); align-items: center;
  margin-bottom: var(--space-7);
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  color: var(--text-tertiary);
}
.page-hero__crumb a { color: var(--text-tertiary); text-decoration: none; }
.page-hero__crumb a:hover { color: var(--text-primary); }
.page-hero__crumb .sep { color: var(--text-disabled); }
.page-hero__crumb .here { color: var(--text-primary); }

.page-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 10vw, 88px);
  line-height: 0.96;
  letter-spacing: var(--tracking-tighter);
  text-transform: uppercase;
  margin: var(--space-7) 0 var(--space-7);
}
.page-hero__lead {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.45;
  color: var(--text-secondary);
  max-width: 60ch;
}
.page-hero__meta {
  display: flex; gap: var(--space-7);
  margin-top: var(--space-7);
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider); text-transform: uppercase;
  color: var(--text-tertiary);
}
.page-hero__meta strong { color: var(--text-primary); font-weight: 500; margin-left: var(--space-3); }

/* ── Document body ─────────────────────────────────── */
.doc {
  padding-block: var(--space-10);
  display: grid; grid-template-columns: 220px minmax(0, 1fr);
  gap: var(--space-9);
  border-bottom: var(--border-hairline);
}
.toc {
  position: sticky; top: 96px; align-self: start;
  display: flex; flex-direction: column; gap: var(--space-3);
  padding-right: var(--space-5);
  border-right: var(--border-hairline);
}
.toc__h {
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider); text-transform: uppercase;
  color: var(--text-tertiary);
  margin: 0 0 var(--space-3);
}
.toc a {
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  color: var(--text-tertiary); text-decoration: none;
  padding: 6px 0;
  border-bottom: var(--border-hairline);
  transition: color 80ms linear;
}
.toc a:hover { color: var(--text-primary); }

.body { display: flex; flex-direction: column; gap: var(--space-9); max-width: 76ch; }
.body section { display: flex; flex-direction: column; gap: var(--space-5); scroll-margin-top: 96px; }
.body h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(28px, 2.4vw, 40px); line-height: 1.05;
  letter-spacing: var(--tracking-tight); text-transform: uppercase;
  margin: 0; padding-bottom: var(--space-5);
  border-bottom: var(--border-hairline);
  overflow-wrap: break-word; hyphens: auto;
}
.body h2 .num {
  font-family: var(--font-mono); font-size: 0.5em;
  color: var(--text-tertiary); margin-right: var(--space-5);
  letter-spacing: var(--tracking-wider);
  vertical-align: 0.4em;
}
.body h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-lg); line-height: 1.2;
  text-transform: uppercase; letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin: 0;
}
.body p, .body li {
  font-family: var(--font-display); font-weight: 400;
  font-size: var(--text-base); line-height: 1.6;
  color: var(--text-secondary);
  margin: 0; text-wrap: pretty;
}
.body ul, .body ol { margin: 0; padding-left: 1.4em; display: flex; flex-direction: column; gap: var(--space-3); }
.body a { color: var(--text-primary); text-decoration: underline; text-underline-offset: 3px; }
.body a:hover { text-decoration: none; }

.kv {
  display: grid; grid-template-columns: 180px 1fr;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: var(--border-hairline);
  align-items: baseline;
}
.kv:last-child { border-bottom: 0; }
.kv .k {
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider); text-transform: uppercase;
  color: var(--text-tertiary);
}
.kv .v {
  font-family: var(--font-mono); font-size: var(--text-sm);
  color: var(--text-primary); line-height: 1.5;
}
.kv .v a { color: inherit; }

footer {
  background: var(--surface-bg);
  border-top: var(--border-hairline);
  padding: var(--space-7) 0;
  position: relative; z-index: 1;
}
footer .container {
  display: grid; grid-template-columns: 1fr auto;
  gap: var(--space-7); align-items: center;
}
.foot__brand {
  display: flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider); text-transform: uppercase;
  color: var(--text-tertiary);
}
.foot__mark { height: 20px; width: auto; display: block; }
.foot__links {
  display: flex; gap: var(--space-5);
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider); text-transform: uppercase;
}
.foot__links a {
  color: var(--text-tertiary); text-decoration: none;
  transition: color 80ms linear;
}
.foot__links a:hover { color: var(--text-primary); }

/* Responsive */
@media (max-width: 960px) {
  .doc { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; border-right: 0; padding-right: 0; padding-bottom: var(--space-5); border-bottom: var(--border-hairline); }
  .kv { grid-template-columns: 1fr; gap: var(--space-3); }
  footer .container { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { padding: 0 var(--space-5); height: 64px; }
  .nav__brand img.wordmark { height: 24px; }
  main { padding-top: 64px; }
  .nav__links { display: none; }
  .container { padding: 0 var(--space-5); }
  .page-hero__meta { flex-direction: column; gap: var(--space-3); }
}

/* ── Home ──────────────────────────────────────────────
   Sections carry the vertical rhythm, .container the side padding.
   Never put both on one element: a padding shorthand on the section
   wipes the container's side padding. */
.hero { padding-block: var(--space-10) var(--space-9); border-bottom: var(--border-hairline); }
/* The split zero is the only image on the site. Desktop only: on a phone the hero
   has to reach the mail button without scrolling. */
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-8); align-items: center; }
.hero__mark { height: clamp(220px, 24vw, 340px); width: auto; display: block; }
.hero .eyebrow-row { margin-bottom: var(--space-7); }
.hero__title {
  font-size: clamp(36px, 6vw, 80px); line-height: 1; letter-spacing: -0.03em;
  max-width: 17ch; margin: 0 0 var(--space-6); overflow-wrap: break-word;
}
.hero__title .light { display: block; font-weight: var(--weight-regular); color: var(--text-secondary); }
.hero__lead { font-size: clamp(17px, 1.4vw, 22px); max-width: 56ch; margin: 0 0 var(--space-7); }

.block { padding-block: var(--space-9); border-bottom: var(--border-hairline); scroll-margin-top: 72px; }
.block:last-child { border-bottom: 0; }
.block__label {
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: var(--weight-regular);
  line-height: var(--leading-normal); text-transform: uppercase;
  letter-spacing: var(--tracking-widest); color: var(--text-tertiary);
  margin: 0 0 var(--space-7);
}

.case {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--space-7); padding-block: var(--space-7);
  border-top: var(--border-hairline);
}
.case:first-of-type { border-top: 0; padding-top: 0; }
.case:last-of-type { padding-bottom: 0; }
.case__id {
  display: block; margin-bottom: var(--space-3);
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider); color: var(--text-tertiary);
}
.case h3 { font-size: clamp(22px, 2.2vw, 30px); max-width: 20ch; }
.case__facts { margin: 0; display: grid; gap: var(--space-4); }
.case__facts > div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: var(--space-5); align-items: baseline; }
.case__facts dt {
  font-family: var(--font-mono); font-size: var(--text-xs);
  text-transform: uppercase; letter-spacing: var(--tracking-wider); color: var(--text-tertiary);
}
.case__facts dd { margin: 0; color: var(--text-secondary); line-height: 1.6; }

.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-7); }
.principles h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.principles p { line-height: 1.6; }

.who__p {
  font-size: clamp(20px, 2vw, 30px); line-height: 1.3; letter-spacing: var(--tracking-tight);
  color: var(--text-primary); max-width: 34ch; margin-bottom: var(--space-7);
}

.contact h2 {
  font-size: clamp(32px, 5vw, 64px); line-height: 1.02; letter-spacing: -0.03em;
  max-width: 16ch; margin-bottom: var(--space-6);
}
.contact__p { font-size: var(--text-md); max-width: 52ch; }
.contact a { color: var(--text-primary); text-underline-offset: 3px; }
.contact a:hover { text-decoration: none; }

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__mark { display: none; }
}
@media (max-width: 760px) {
  .hero { padding-block: var(--space-8) var(--space-8); }
  .block { padding-block: var(--space-8); scroll-margin-top: 64px; }
  .case { grid-template-columns: 1fr; gap: var(--space-5); }
  .case__facts > div { grid-template-columns: 1fr; gap: var(--space-1); }
  .principles { grid-template-columns: 1fr; gap: var(--space-6); }
}

/* ── 404 ─────────────────────────────────────────────── */
.err {
  max-width: 1200px; margin: 0 auto;
  padding: var(--space-10) var(--space-7);
  min-height: calc(100vh - 72px - 120px);
  display: flex; flex-direction: column; justify-content: center;
}
.err__eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-3);
  margin-bottom: var(--space-6);
  font-family: var(--font-mono); font-size: var(--text-xs);
  color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: var(--tracking-wider);
}
.err__code {
  font-family: var(--font-mono); font-weight: var(--weight-regular);
  font-size: clamp(96px, 14vw, 200px); line-height: 0.9;
  margin: 0 0 var(--space-5);
}
.err__title { font-size: clamp(28px, 2.4vw, 40px); line-height: 1.1; margin: 0 0 var(--space-5); }
.err__lead { font-size: var(--text-lg); line-height: 1.5; max-width: 60ch; margin: 0 0 var(--space-8); }
@media (max-width: 640px) { .err { padding: var(--space-8) var(--space-5); } }