:root {
  --primary: #2f3b3a;
  --accent: #b8873f;
  --surface: #f4f2ee;
  --text: #1c2220;
  --muted: #6b7573;
  --border: #d8d4cc;
  --radius: 2px;
  --shadow: 0 1px 2px rgba(28,34,32,.06);
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --measure: 38rem;
  --space: clamp(2rem, 5vw, 4rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1rem, .55vw + .9rem, 1.125rem);
  line-height: 1.7;
  color: var(--text);
  background: var(--surface);
  -webkit-text-size-adjust: 100%;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); }

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: var(--surface);
  padding: .6rem 1rem;
  z-index: 20;
}
.skip-link.is-shown { left: 1rem; }

.brand-line {
  font-family: var(--sans);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
}

.page-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .9rem clamp(1rem, 4vw, 2.5rem);
  flex-wrap: wrap;
}
.header-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.header-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .45rem .6rem;
  font-family: var(--sans);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--primary);
  cursor: pointer;
}
.nav-list, .foot-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-family: var(--sans);
  font-size: .82rem;
}
.nav-link, .foot-link {
  text-decoration: none;
  color: var(--primary);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.nav-link:hover, .foot-link:hover { border-bottom-color: var(--accent); }
.nav-link[aria-current="page"] { border-bottom-color: var(--accent); }

.main-flow { display: block; }
.flow-section {
  max-width: var(--measure);
  margin: 0 auto;
  padding: var(--space) clamp(1rem, 5vw, 1.5rem);
  border-top: 1px solid var(--border);
}
.flow-section:first-of-type { border-top: 0; }

.title-large {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -.01em;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  margin: 0 0 1rem;
  color: var(--primary);
}
.title-mid {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  line-height: 1.25;
  margin: 0 0 1rem;
  color: var(--primary);
}
.eyebrow-line {
  font-family: var(--sans);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 .9rem;
}
.body-text { margin: 0 0 1.1rem; }
.body-muted { color: var(--muted); font-size: .92rem; }

.link-outline {
  display: inline-block;
  font-family: var(--sans);
  font-size: .82rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  padding: .6rem 1.1rem;
}
.link-outline:hover { background: var(--primary); color: var(--surface); }

.hero-split {
  display: grid;
  gap: 2rem;
  max-width: 68rem;
  margin: 0 auto;
  padding: var(--space) clamp(1rem, 5vw, 2.5rem);
}
@media (min-width: 52rem) {
  .hero-split {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 3.5rem;
  }
}
.hero-figure { margin: 0; }
.hero-image {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--border);
  box-shadow: var(--shadow);
}
.hero-caption {
  font-family: var(--sans);
  font-size: .75rem;
  color: var(--muted);
  margin-top: .7rem;
}

.section-figure { margin: 2rem 0; }
.section-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--border);
  box-shadow: var(--shadow);
}
.section-caption {
  font-family: var(--sans);
  font-size: .75rem;
  color: var(--muted);
  margin-top: .7rem;
}

.pull-quote {
  margin: 2.5rem 0;
  padding: 0 0 0 1.5rem;
  border-left: 2px solid var(--accent);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--primary);
}
.quote-source {
  display: block;
  margin-top: .8rem;
  font-family: var(--sans);
  font-size: .78rem;
  font-style: normal;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--muted);
}

.term-list { margin: 2rem 0; }
.term-name {
  font-family: var(--sans);
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 1.1rem;
}
.term-value { margin: .25rem 0 0; }

.step-list {
  margin: 2rem 0;
  padding-left: 1.4rem;
}
.step-item { margin: 0 0 .8rem; padding-left: .4rem; }
.step-item::marker { color: var(--accent); font-family: var(--sans); font-size: .85rem; }

.qa-item {
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.qa-question {
  font-family: var(--sans);
  font-size: .92rem;
  color: var(--primary);
  cursor: pointer;
  padding: 1rem 0;
  list-style: none;
  position: relative;
}
.qa-question::-webkit-details-marker { display: none; }
.qa-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: .95rem;
  color: var(--accent);
  font-family: var(--sans);
}
.qa-item[open] .qa-question::after { content: "\2212"; }
.qa-answer { padding: 0 0 1.2rem; }

.page-foot {
  border-top: 1px solid var(--border);
  margin-top: var(--space);
  padding: var(--space) 1rem calc(var(--space) + 1rem);
  text-align: center;
}
.foot-inner { max-width: var(--measure); margin: 0 auto; }
.foot-list { justify-content: center; margin: 1rem 0; }
.foot-note {
  font-family: var(--sans);
  font-size: .78rem;
  color: var(--muted);
  margin: .4rem 0;
}

.breadcrumb-nav { max-width: var(--measure); margin: 0 auto; padding: 1rem clamp(1rem,5vw,1.5rem) 0; }
.breadcrumb__list {
  list-style: none; display: flex; flex-wrap: wrap; gap: .5rem;
  margin: 0; padding: 0;
  font-family: var(--sans); font-size: .75rem; color: var(--muted);
}
.breadcrumb__item + .breadcrumb__item::before { content: "/"; margin-right: .5rem; color: var(--border); }
.breadcrumb__link { color: var(--muted); text-decoration: none; }
.breadcrumb__link:hover { color: var(--primary); }
.breadcrumb__item[aria-current="page"] .breadcrumb__link { color: var(--primary); }

.scroll-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: var(--surface);
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s, visibility .25s;
  z-index: 15;
}
.scroll-top.is-shown { opacity: 1; visibility: visible; }

.image-pending { opacity: 0; transition: opacity .4s; }
.is-shown { opacity: 1; }

@media (max-width: 51.99rem) {
  .header-toggle { display: inline-block; }
  .header-menu {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin-top: .8rem;
  }
  .header-menu.is-shown { display: flex; }
  .nav-list { flex-direction: column; gap: 0; width: 100%; }
  .nav-list li { width: 100%; }
  .nav-link { display: block; padding: .7rem 0; border-bottom: 1px solid var(--border); }
}

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