:root {
  --paper: #f4eadb;
  --paper-light: #fff8ec;
  --ink: #1b2220;
  --muted: #68716c;
  --line: #d5c2a5;
  --teal: #174f50;
  --red: #9c4436;
  --brass: #b7862d;
  --blue: #315f79;
  --walnut: #4c2f1f;
  --white: #ffffff;
  --shadow: 0 26px 64px rgba(42, 31, 20, 0.16);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(27, 34, 32, 0.035) 1px, transparent 1px) 0 0 / 92px 92px,
    linear-gradient(0deg, rgba(27, 34, 32, 0.035) 1px, transparent 1px) 0 0 / 92px 92px,
    var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
}

h1,
h2,
h3,
p,
li,
blockquote {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: 0;
}

h1 {
  max-width: 940px;
  font-size: clamp(44px, 7.5vw, 102px);
  line-height: 0.98;
}

h2 {
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.04;
}

h3 {
  font-size: 24px;
  line-height: 1.16;
}

.visually-hidden,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.skip-link:focus {
  z-index: 1000;
  top: 14px;
  left: 14px;
  width: auto;
  height: auto;
  clip: auto;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--brass);
  padding: 10px 14px;
  color: var(--ink);
  font-weight: 900;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 234, 219, 0.94);
  backdrop-filter: blur(14px);
}

.nav-shell {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
  width: min(1200px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-weight: 900;
}

.brand-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background:
    linear-gradient(135deg, var(--brass) 0 50%, var(--teal) 50% 100%);
  color: var(--paper-light);
  font-size: 13px;
  box-shadow: 4px 4px 0 var(--ink);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.nav-links a {
  padding: 10px 0;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--red);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-light);
  cursor: pointer;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  content: "";
}

.menu-icon {
  position: relative;
}

.menu-icon::before,
.menu-icon::after {
  position: absolute;
  left: 0;
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  top: 6px;
}

.hero {
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(116deg, rgba(49, 95, 121, 0.18), transparent 48%),
    linear-gradient(0deg, #f8efe2, var(--paper));
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(390px, 0.86fr);
  gap: 44px;
  align-items: center;
  width: min(1200px, calc(100% - 32px));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 58px 0 72px;
}

.label,
.section-tag,
.table-of-contents span {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-lead {
  max-width: 720px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-image {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-light);
  box-shadow: var(--shadow);
}

.hero-image::after {
  position: absolute;
  right: 18px;
  bottom: 18px;
  border: 1px solid rgba(27, 34, 32, 0.2);
  border-radius: var(--radius);
  background: rgba(255, 248, 236, 0.9);
  padding: 8px 10px;
  color: var(--muted);
  content: "DESIGN ARCHIVE";
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.hero-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.policy-note {
  background: var(--ink);
  color: var(--white);
}

.policy-note > div {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0;
}

.policy-note strong {
  color: #e4b55d;
  font-size: 14px;
  text-transform: uppercase;
}

.policy-note p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
}

.article-shell {
  display: grid;
  grid-template-columns: 245px minmax(0, 1fr);
  gap: 58px;
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 76px 0 88px;
}

.table-of-contents {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 12px;
  align-self: start;
  border-left: 5px solid var(--teal);
  padding-left: 18px;
}

.table-of-contents a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.table-of-contents a:hover,
.table-of-contents a:focus-visible {
  color: var(--teal);
}

.article-body {
  display: grid;
  gap: 48px;
}

.content-section,
.timeline-section {
  display: grid;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 50px;
}

.content-section p,
.timeline-section p {
  max-width: 870px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.quote-panel {
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(183, 134, 45, 0.2), transparent 44%),
    var(--paper-light);
  padding: 30px;
  box-shadow: 8px 8px 0 var(--ink);
}

.quote-panel blockquote {
  max-width: 880px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.16;
}

.split-section {
  grid-template-columns: minmax(280px, 0.64fr) minmax(320px, 1fr);
  gap: 34px;
  align-items: center;
}

.archive-image {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-light);
  box-shadow: var(--shadow);
}

.archive-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.timeline-grid article {
  display: grid;
  gap: 12px;
  min-height: 250px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 248, 236, 0.78);
  padding: 20px;
}

.timeline-grid article > span {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-weight: 900;
}

.timeline-grid p {
  font-size: 16px;
}

.boundary-box {
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-light);
  padding: 30px;
}

.boundary-box h2 {
  font-size: clamp(30px, 4vw, 48px);
}

.boundary-box ul {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.boundary-box li {
  position: relative;
  padding-left: 30px;
  color: var(--muted);
  font-size: 17px;
}

.boundary-box li::before {
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--teal);
  content: "";
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #17201e;
  color: var(--white);
}

.footer-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(320px, 1fr);
  gap: 34px;
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 46px 0 34px;
}

.footer-brand {
  color: var(--white);
}

.footer-intro p {
  max-width: 560px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.business-info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  font-style: normal;
}

.business-info > span {
  display: grid;
  gap: 5px;
  border-left: 4px solid #e4b55d;
  background: rgba(255, 255, 255, 0.07);
  padding: 14px 16px;
}

.business-info strong,
.footer-notes h2 {
  color: #e4b55d;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.business-info em {
  color: rgba(255, 255, 255, 0.78);
  font-style: normal;
}

.footer-notes {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.footer-notes section {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  padding: 18px;
}

.footer-notes h2,
.footer-notes p {
  margin: 0;
}

.footer-notes p {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.legal-line {
  grid-column: 1 / -1;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 18px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

@media (max-width: 1080px) {
  .nav-shell {
    grid-template-columns: auto auto;
  }

  .menu-toggle {
    display: grid;
    justify-self: end;
  }

  .nav-links {
    grid-column: 1 / -1;
    display: none;
    flex-direction: column;
    align-items: stretch;
    border-top: 1px solid var(--line);
    padding: 10px 0 16px;
  }

  .nav-links.is-open {
    display: flex;
  }

  .hero-layout,
  .article-shell,
  .split-section,
  .footer-layout {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    min-height: auto;
  }

  .table-of-contents {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .table-of-contents span {
    grid-column: 1 / -1;
  }

  .timeline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .nav-shell,
  .hero-layout,
  .policy-note > div,
  .article-shell,
  .footer-layout {
    width: min(100% - 24px, 1200px);
  }

  .brand span:last-child {
    max-width: 172px;
  }

  .hero-layout {
    gap: 28px;
    padding: 42px 0 52px;
  }

  h1 {
    font-size: clamp(40px, 13vw, 62px);
  }

  h2 {
    font-size: clamp(30px, 9vw, 42px);
  }

  .policy-note > div,
  .table-of-contents,
  .timeline-grid,
  .business-info,
  .footer-notes {
    grid-template-columns: 1fr;
  }

  .article-shell {
    gap: 34px;
    padding: 52px 0 64px;
  }

  .article-body {
    gap: 36px;
  }

  .content-section,
  .timeline-section {
    padding-bottom: 38px;
  }

  .quote-panel {
    box-shadow: 5px 5px 0 var(--ink);
  }

  .quote-panel,
  .boundary-box {
    padding: 22px;
  }

  .timeline-grid article {
    min-height: 0;
  }
}

@media (max-width: 420px) {
  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .hero-lead,
  .content-section p,
  .timeline-section p {
    font-size: 16px;
  }

  .hero-image img {
    aspect-ratio: 1 / 1;
  }
}