@font-face { font-family: 'Zilla Slab'; font-style: italic; font-weight: 300; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-300-italic.woff2") format("woff2"); }
@font-face { font-family: 'Zilla Slab'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Zilla Slab'; font-style: italic; font-weight: 400; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: 'Zilla Slab'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Zilla Slab'; font-style: italic; font-weight: 500; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-500-italic.woff2") format("woff2"); }
@font-face { font-family: 'Zilla Slab'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Zilla Slab'; font-style: italic; font-weight: 600; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-600-italic.woff2") format("woff2"); }
@font-face { font-family: 'Zilla Slab'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Zilla Slab'; font-style: italic; font-weight: 700; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-700-italic.woff2") format("woff2"); }
@font-face { font-family: 'Zilla Slab'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/zilla-slab-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: italic; font-weight: 100; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-100-italic.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 100; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-100-normal.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: italic; font-weight: 200; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-200-italic.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 200; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-200-normal.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: italic; font-weight: 300; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-300-italic.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 300; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-300-normal.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: italic; font-weight: 400; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-400-italic.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 400; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: italic; font-weight: 500; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-500-italic.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 500; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: italic; font-weight: 600; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-600-italic.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 600; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: italic; font-weight: 700; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-700-italic.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 700; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: italic; font-weight: 800; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-800-italic.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 800; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: italic; font-weight: 900; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-900-italic.woff2") format("woff2"); }
@font-face { font-family: 'Hanken Grotesk'; font-style: normal; font-weight: 900; font-display: swap; src: url("/assets/fonts/hanken-grotesk-latin-900-normal.woff2") format("woff2"); }
:root {
  --bg-light-base: #f5f2eb;
  --fg-light-base-body: #23292e;
  --fg-light-base-heading: #23292e;
  --fg-light-base-muted: #4f5b64;
  --fg-light-base-link: #983a21;
  --fg-light-base-inverse: #23292e;
  --bg-light-card: #ebe5d8;
  --fg-light-card-body: #23292e;
  --fg-light-card-heading: #23292e;
  --fg-light-card-muted: #4f5b64;
  --fg-light-card-link: #983a21;
  --fg-light-card-inverse: #23292e;
  --bg-light-elevated: #fffdf8;
  --fg-light-elevated-body: #23292e;
  --fg-light-elevated-heading: #23292e;
  --fg-light-elevated-muted: #4f5b64;
  --fg-light-elevated-link: #983a21;
  --fg-light-elevated-inverse: #23292e;
  --brand-light-accent: #a3432a;
  --brand-light-accent-hover: #82331f;
  --brand-light-on-accent: #ffffff;
  --focus-light-ring: #a3432a;
  --border-light-default: #4f5b64;
  --border-light-subtle: #d9d1c0;
}
.bg-surface-base { background: var(--bg-light-base); --fg-body: var(--fg-light-base-body); --fg-heading: var(--fg-light-base-heading); --fg-muted: var(--fg-light-base-muted); --fg-link: var(--fg-light-base-link); --fg-inverse: var(--fg-light-base-inverse); }
.bg-surface-card { background: var(--bg-light-card); --fg-body: var(--fg-light-card-body); --fg-heading: var(--fg-light-card-heading); --fg-muted: var(--fg-light-card-muted); --fg-link: var(--fg-light-card-link); --fg-inverse: var(--fg-light-card-inverse); }
.bg-surface-elevated { background: var(--bg-light-elevated); --fg-body: var(--fg-light-elevated-body); --fg-heading: var(--fg-light-elevated-heading); --fg-muted: var(--fg-light-elevated-muted); --fg-link: var(--fg-light-elevated-link); --fg-inverse: var(--fg-light-elevated-inverse); }
.text-role-body { color: var(--fg-body); overflow-wrap: anywhere; }
.text-role-heading { color: var(--fg-heading); overflow-wrap: anywhere; }
.text-role-muted { color: var(--fg-muted); }
.text-role-link { color: var(--fg-link); }
.text-role-inverse { color: var(--fg-inverse); }
.text-role-link { text-decoration: underline; }
.text-role-link:hover { color: var(--brand-light-accent-hover); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--focus-light-ring); outline-offset: 2px; }
img { max-width: 100%; height: auto; }
.site-logo { max-width: 100%; height: auto; }
.site-menu > summary { list-style: none; cursor: pointer; }
.site-menu > summary::-webkit-details-marker { display: none; }
:where(section[data-section][style]) { background-size: cover; background-position: center; padding: clamp(1.5rem, 4vw, 3rem); }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { position: static; padding: 0.25rem 0.5rem; outline: 2px solid var(--focus-light-ring); }

/* Hip and Leg Answers: movement anatomy atlas */

:root {
  --font-heading: 'Zilla Slab', Rockwell, 'Roboto Slab', Georgia, serif;
  --font-body: 'Hanken Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --terracotta: var(--brand-light-accent);
  --terracotta-deep: var(--brand-light-accent-hover);
  --on-terracotta: var(--brand-light-on-accent);
  --slate: #4f5b64;
  --slate-deep: #36414a;
  --rule: var(--border-light-default);
  --rule-faint: var(--border-light-subtle);
  --measure: 38rem;
  --wide: 74rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  color: var(--fg-heading);
}
h1 { font-size: clamp(2.2rem, 1.5rem + 3vw, 3.6rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.45rem, 1.25rem + 0.8vw, 1.85rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }
img { display: block; max-width: 100%; height: auto; }
svg { max-width: 100%; }

a { text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--slate-deep); outline-offset: 2px; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 50;
  padding: 0.6rem 1rem;
  background: var(--bg-light-elevated);
  border: 2px solid var(--terracotta);
}
.skip-link:focus { top: 1rem; }

/* ---------- Header: brand plate beside a joint index ---------- */

.atlas-head { position: relative; z-index: 20; }
.atlas-head-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0.6rem var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}
.atlas-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 48px;
  text-decoration: none;
}
.atlas-brand .site-logo { width: 40px; height: 40px; flex: none; }
.atlas-brand-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.1;
}

nav.site-nav { display: none; }

.site-menu > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  padding: 0 1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--on-terracotta);
  background: var(--slate);
  border-radius: 4px;
}
.site-menu > summary::-webkit-details-marker { display: none; }
.site-menu > summary:hover { background: var(--slate-deep); }
.menu-icon {
  display: inline-block;
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}
.site-menu[open] { flex-basis: 100%; }
.site-menu[open] > summary { display: flex; width: max-content; margin-left: auto; }
.site-menu ul { list-style: none; margin: 0; padding: 0; }
.site-menu > ul { margin-top: 0.75rem; padding: 0.5rem 0; border-top: 1.5px solid var(--rule-faint); }
.site-menu li a {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-heading);
  font-weight: 600;
  text-decoration: none;
}
.site-menu li ul { margin-left: 0.5rem; padding-left: 1rem; border-left: 2px solid var(--rule-faint); }
.site-menu li ul a { font-family: var(--font-body); font-weight: 400; }

/* Phone header: brand and menu button share one row; the brand name wraps between words */
@media (max-width: 47.99rem) {
  .atlas-brand { flex: 1 1 0; min-width: 0; }
  .site-menu { flex: none; }
}

@media (min-width: 80rem) {
  .atlas-head-inner {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: stretch;
    gap: 0;
    padding-top: 1.25rem;
    padding-bottom: 1.75rem;
  }
  /* Brand reads as the plate title: large slab lockup, closed by a slate spine */
  .atlas-brand {
    gap: 1rem;
    padding: 0.5rem 1.75rem 0.5rem 0;
    border-right: 1.5px solid var(--slate);
  }
  .atlas-brand .site-logo { width: 60px; height: 60px; }
  .atlas-brand-name {
    max-width: 9ch;
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.01em;
  }
  .site-menu { display: none; }
  nav.site-nav { display: block; align-self: center; padding-left: 1.5rem; }
  nav.site-nav ul { list-style: none; margin: 0; padding: 0; }
  /* Index row: joint-marked entries on one line */
  nav.site-nav > ul {
    display: flex;
    flex-wrap: nowrap;
    column-gap: 0.75rem;
  }
  nav.site-nav > ul > li { white-space: nowrap; }
  nav.site-nav > ul > li > a,
  nav.site-nav summary {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.2rem 0 0.2rem 1.3rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.25;
    text-decoration: none;
  }
  nav.site-nav > ul > li > a::before,
  nav.site-nav summary::before {
    content: "";
    position: absolute;
    left: 0.15rem;
    top: 50%;
    width: 0.6rem;
    height: 0.6rem;
    margin-top: -0.3rem;
    border: 2px solid var(--slate);
    border-radius: 50%;
  }
  nav.site-nav > ul > li > a:hover { text-decoration: underline; }
  nav.site-nav > ul > li > a:hover::before,
  nav.site-nav a[aria-current="page"]::before { background: var(--terracotta); border-color: var(--terracotta); }
  nav.site-nav a[aria-current="page"] { font-weight: 700; }
  nav.site-nav summary { cursor: pointer; list-style: none; gap: 0.45rem; color: var(--fg-heading); }
  nav.site-nav summary::-webkit-details-marker { display: none; }
  nav.site-nav summary::after {
    content: "";
    width: 0.4rem;
    height: 0.4rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
  }
  nav.site-nav details[open] > summary::before { background: var(--terracotta); border-color: var(--terracotta); }
  /* Grouped topics open as one wide mega-panel under the header */
  nav.site-nav details.site-nav-group > ul {
    position: absolute;
    left: var(--gutter);
    right: var(--gutter);
    top: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
    gap: 0.25rem 2rem;
    padding: 1.5rem 2rem;
    background: var(--bg-light-elevated);
    border: 1px solid var(--rule-faint);
    border-left: 6px solid var(--terracotta);
  }
  nav.site-nav details.site-nav-group a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding-left: 0.75rem;
    border-left: 2px solid var(--rule-faint);
  }
  nav.site-nav details.site-nav-group a:hover { border-left-color: var(--terracotta); }
}

/* ---------- Page frame ---------- */

.atlas-page { max-width: var(--wide); margin: 0 auto; padding: 0 var(--gutter); }
main { padding: 2rem 0 4.5rem; }

.breadcrumbs { margin: 1.25rem 0 0; font-size: 0.92rem; }
.breadcrumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.breadcrumbs li + li::before { content: "/"; padding: 0 0.55rem; color: var(--rule); }

/* ---------- Prose ---------- */

.prose { max-width: var(--measure); }
.prose > :first-child { margin-top: 0; }
.prose h2 { margin: 2.4rem 0 0.8rem; }
.prose h3 { margin: 1.75rem 0 0.6rem; }
.prose ul, .prose ol { margin: 0 0 1.1rem; padding-left: 1.25rem; }
.prose li { margin-bottom: 0.45rem; }
.prose li::marker { color: var(--terracotta); }
.prose blockquote { margin: 1.5rem 0; padding: 0.5rem 1.25rem; border-left: 4px solid var(--terracotta); }

.photo-hero, .photo-inline { margin: 2rem 0; }
.photo-hero img, .photo-inline img { width: 100%; border: 1px solid var(--rule-faint); }
section[data-section][style] {
  margin: 2.5rem 0;
  padding: clamp(1.25rem, 5vw, 3rem);
  background-size: cover;
  background-position: center;
}
section[data-section][style] > .bg-surface-card {
  padding: 1.25rem 1.5rem;
  border-left: 5px solid var(--terracotta);
}
section[data-section][style] > .bg-surface-card > :last-child { margin-bottom: 0; }

/* ---------- Home: atlas plate ---------- */

.plate {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--rule-faint);
  border-top: 6px solid var(--terracotta);
}
.plate-title h1 { font-size: clamp(2.5rem, 1.4rem + 4.6vw, 4.6rem); line-height: 1; letter-spacing: -0.02em; }
.plate-lead {
  max-width: 24ch;
  margin: 1rem 0 1.5rem;
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 1.1rem + 0.9vw, 1.75rem);
  font-weight: 500;
  line-height: 1.25;
}
.plate-lines { max-width: 34rem; margin: 0 0 1.75rem; padding: 0; list-style: none; }
.plate-lines li { padding: 0.55rem 0 0.55rem 1.1rem; border-left: 3px solid var(--rule-faint); }
.plate-lines li + li { border-top: 1px dashed var(--rule-faint); }
.plate-action { margin: 0; }
.plate-button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 1.4rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--on-terracotta);
  background: var(--terracotta);
  border-radius: 3px;
  text-decoration: none;
}
.plate-button:hover { background: var(--terracotta-deep); }
.plate-figure { margin: 0; }
.stride { display: block; width: 100%; height: auto; max-width: 30rem; margin: 0 auto; }
.plate-caption { max-width: 30rem; margin: 0.75rem auto 0; font-size: 0.92rem; }

@media (prefers-reduced-motion: no-preference) {
  .stride-path { stroke-dashoffset: 300; animation: stride-trace 2.4s ease-out 0.2s forwards; }
  @keyframes stride-trace { to { stroke-dashoffset: 0; } }
}

@media (min-width: 56rem) {
  .plate { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
}

/* ---------- Home: questions by region (asymmetric two-column) ---------- */

.regions { margin: 3.5rem 0 1rem; }
.regions-heading { margin-bottom: 1.5rem; }
.region {
  display: grid;
  gap: 0.75rem 2.5rem;
  padding: 1.5rem 0;
  border-top: 2px solid var(--rule);
}
.region:last-child { border-bottom: 2px solid var(--rule); }
.region-key { display: flex; align-items: center; gap: 0.9rem; }
.region-mark { width: 48px; height: 48px; flex: none; }
.region-name { font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.55rem); }
.region-name a { text-decoration-color: var(--rule-faint); }
.region-questions { margin: 0; padding: 0; list-style: none; }
.region-questions li { border-bottom: 1px solid var(--rule-faint); }
.region-questions li:last-child { border-bottom: 0; }
.region-questions a { display: flex; align-items: center; min-height: 44px; padding: 0.35rem 0; }

@media (min-width: 48rem) {
  .region { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); align-items: start; }
  .region-key { flex-direction: column; align-items: flex-start; }
}

.home-body { margin-top: 3rem; }
.home-body .photo-hero { margin-top: 0; }
.home-body .photo-hero img { aspect-ratio: 16 / 9; object-fit: cover; }

/* ---------- Question detail ---------- */

.answer-head {
  max-width: 52rem;
  padding: clamp(1.25rem, 4vw, 2.25rem);
  border-left: 10px solid var(--terracotta);
}
.answer-head h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.1rem); }
.answer-grid { display: grid; gap: 2rem; margin-top: 2rem; align-items: start; }
.answer-text > p:first-child {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  line-height: 1.45;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--rule);
}
.answer-text > h2 { padding-left: 1rem; border-left: 3px solid var(--slate); }
.answer-side { padding: 1.25rem 1.5rem; border-top: 4px solid var(--slate); }
.answer-gait { display: block; width: 120px; height: 60px; margin-bottom: 0.75rem; }
.answer-side-heading { font-size: 1.15rem; margin-bottom: 0.5rem; }
.answer-side p:last-child { margin-bottom: 0; }
@media (min-width: 60rem) {
  .answer-grid { grid-template-columns: minmax(0, var(--measure)) minmax(0, 18rem); column-gap: 3.5rem; }
  .answer-side { position: sticky; top: 1.5rem; }
}

.related { margin-top: 3rem; padding: 1.25rem 1.5rem; }
.related-heading { font-size: 1.2rem; margin-bottom: 0.75rem; }
.related-strip { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem 0.75rem; }
.related-strip a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 1rem;
  font-weight: 600;
  background: var(--bg-light-elevated);
  border: 1.5px solid var(--rule-faint);
  border-radius: 3px;
  text-decoration: none;
}
.related-strip a:hover { border-color: var(--terracotta); }

/* ---------- Topic cluster: region plate ---------- */

.region-plate {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 2rem;
  padding: clamp(1.25rem, 4vw, 2.5rem);
  border-top: 6px solid var(--terracotta);
}
.region-plate-mark { width: 96px; height: 96px; flex: none; }
.region-plate-title { flex: 1 1 18rem; }
.region-index { margin: 2.5rem 0; }
.region-index-heading { margin-bottom: 1rem; }
.region-index-grid > ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0 2.5rem;
  counter-reset: q;
}
.region-index-grid li {
  position: relative;
  padding: 0.6rem 0 0.6rem 2rem;
  border-bottom: 1px solid var(--rule-faint);
}
.region-index-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.85rem;
  height: 0.85rem;
  border: 2px solid var(--terracotta);
  border-radius: 50%;
}
.region-index-grid a { display: inline-flex; min-height: 32px; align-items: center; font-weight: 600; }
@media (min-width: 52rem) {
  .region-index-grid > ul { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); }
  .region-index-grid li:nth-child(odd) { grid-column: 1; }
  .region-index-grid li:nth-child(even) { grid-column: 2; }
}
.region-text { margin-top: 1rem; }

/* ---------- Geo cluster: street-grid header and ruled list ---------- */

.local-head { border-top: 6px solid var(--terracotta); }
.street-grid { display: block; width: 100%; height: 140px; }
.local-title { padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem) 1.75rem; }
.local-grid { display: grid; gap: 2.5rem; margin-top: 2.5rem; align-items: start; }
.local-list { padding: 1.25rem 1.5rem; border-left: 5px solid var(--slate); }
.local-list-heading { font-size: 1.2rem; margin-bottom: 0.5rem; }
.local-items:has(> ul:empty) { display: none; }
.local-items > ul, .local-ruled { margin: 0; padding: 0; list-style: none; }
.local-items li, .local-ruled li { border-bottom: 1px solid var(--rule-faint); }
.local-items a, .local-ruled a { display: flex; align-items: center; min-height: 44px; }
@media (min-width: 60rem) {
  .local-grid { grid-template-columns: minmax(0, var(--measure)) minmax(0, 20rem); column-gap: 3.5rem; }
}

/* ---------- About: atlas preface ---------- */

.preface-grid { display: grid; gap: 1.5rem 3rem; align-items: center; }
.preface-lead {
  max-width: 26ch;
  margin: 1rem 0 0;
  font-family: var(--font-heading);
  font-size: clamp(1.45rem, 1.2rem + 1.2vw, 2.1rem);
  font-weight: 500;
  line-height: 1.2;
}
.preface-figure { margin: 0; justify-self: center; }
.gait { display: block; width: 220px; height: auto; }
@media (min-width: 52rem) {
  .preface-grid { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
}
.preface-text { margin-top: 2.5rem; padding: clamp(1.25rem, 4vw, 2.5rem); border-top: 4px solid var(--slate); }

/* ---------- Contact: form card ---------- */

.ask-head { max-width: var(--measure); margin-bottom: 2rem; }
.ask-grid { display: grid; gap: 2.5rem; align-items: start; }
@media (min-width: 60rem) {
  .ask-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
.ask-card {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--rule-faint);
  border-left: 8px solid var(--terracotta);
}
.ask-card-heading { font-size: 1.35rem; margin-bottom: 1.25rem; }
.ask-form { display: grid; gap: 1.1rem; }
.ask-field { display: flex; flex-direction: column; gap: 0.35rem; }
.ask-field label { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 600; }
.ask-field input,
.ask-field textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.6rem 0.75rem;
  font: inherit;
  color: var(--fg-body);
  background: var(--bg-light-base);
  border: 1.5px solid var(--slate);
  border-radius: 3px;
}
.ask-field textarea { resize: vertical; }
.ask-field input:focus-visible,
.ask-field textarea:focus-visible { outline: 3px solid var(--terracotta); outline-offset: 1px; }
.ask-submit {
  justify-self: start;
  min-height: 48px;
  padding: 0 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  background: var(--slate);
  border: 0;
  border-radius: 3px;
  cursor: pointer;
}
.ask-submit:hover { background: var(--slate-deep); }

/* ---------- Thank you ---------- */

.received-plate {
  max-width: 44rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--rule-faint);
  border-top: 6px solid var(--terracotta);
}
.received-mark { display: block; width: 120px; height: 48px; margin-bottom: 1rem; }
.received-head { margin-bottom: 1.25rem; }
.received-return { margin: 1.5rem 0 0; font-weight: 600; }

/* ---------- Not found ---------- */

.lost-plate {
  max-width: 44rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--rule-faint);
  border-left: 8px solid var(--slate);
}
.lost-mark { display: block; width: 160px; height: 56px; margin-bottom: 1rem; }
.lost-head { margin-bottom: 1.25rem; }
.lost-head h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3rem); }
.lost-return { margin: 1.5rem 0 0; font-weight: 600; }

/* ---------- Footer ---------- */

.atlas-foot { border-top: 3px solid var(--terracotta); }
.atlas-foot-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 2rem var(--gutter) 2.5rem;
  display: grid;
  gap: 1.25rem 3rem;
}
.atlas-foot-name { margin-bottom: 0.35rem; font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; }
.atlas-foot-line { max-width: var(--measure); margin: 0; }
.atlas-foot-links { margin: 0; padding: 0; list-style: none; }
.atlas-foot-links a { display: flex; align-items: center; min-height: 40px; }
.atlas-foot-client { margin: 0; font-weight: 600; }
@media (min-width: 52rem) {
  .atlas-foot-inner { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
  .atlas-foot-client { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid var(--rule-faint); }
}

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