:root {
  --paper: #fbfaf7;
  --paper-2: #f4f1ea;
  --ink: #171717;
  --muted: #6d6962;
  --line: #d8d1c5;
  --gold: #b79d5c;
  --red: #c64d3f;
  --green: #477a65;
  --blue: #315f7c;
  --charcoal: #232323;
  --max: 1180px;
  --header: 68px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 20;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 14px;
  text-decoration: none;
}

.skip-link:not(:focus):not(:focus-visible) {
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  padding: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(20px, 4vw, 56px);
  background: rgba(251, 250, 247, 0.9);
  border-bottom: 1px solid rgba(216, 209, 197, 0.78);
  backdrop-filter: blur(18px);
}

.brand-lockup {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-lockup span {
  font-size: 1rem;
}

.brand-lockup small,
.nav-links a,
.eyebrow,
.hero-meta span,
.site-footer,
.metric-label,
.source-preview figcaption,
.image-strip figcaption {
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.brand-lockup small {
  color: var(--muted);
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: clamp(12px, 3vw, 34px);
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  font-weight: 760;
  text-decoration: none;
}

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

.hero {
  min-height: clamp(620px, 82svh, 860px);
  display: grid;
  align-items: center;
  padding: clamp(52px, 8vw, 110px) clamp(20px, 4vw, 56px);
}

.hero-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 390px);
  align-items: center;
  gap: clamp(36px, 8vw, 120px);
}

.hero-copy {
  max-width: 770px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--red);
  font-weight: 850;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  line-height: 0.98;
}

h1 {
  max-width: 10ch;
  font-size: clamp(4.6rem, 10vw, 9rem);
  overflow-wrap: normal;
  word-break: normal;
}

h2 {
  font-size: clamp(2.25rem, 5.7vw, 5.65rem);
  max-width: 11.6ch;
}

.hero-lede {
  max-width: 660px;
  margin: clamp(24px, 4vw, 42px) 0 0;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.5rem, 3vw, 2.6rem);
  font-style: italic;
  line-height: 1.18;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: clamp(34px, 5vw, 64px);
  color: var(--muted);
  font-weight: 850;
}

.anniversary-mark {
  position: relative;
  align-self: stretch;
  min-height: 490px;
  display: grid;
  justify-items: center;
  align-content: start;
  padding: clamp(30px, 4vw, 56px) 28px;
  background: var(--gold);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% 86%, 64% 86%, 50% 96%, 36% 86%, 0 86%);
}

.mark-number {
  font-size: clamp(6rem, 15vw, 11rem);
  line-height: 0.9;
  font-weight: 900;
}

.mark-label {
  margin-top: 20px;
  color: var(--paper);
  font-size: clamp(1rem, 2vw, 1.55rem);
  font-weight: 900;
  text-transform: uppercase;
}

.mark-range {
  margin-top: 54px;
  font-size: 1rem;
  font-weight: 900;
}

.intro-band,
.proof-band,
.source-band {
  padding: clamp(72px, 12vw, 150px) clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.section-grid,
.source-layout {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1fr);
  gap: clamp(40px, 9vw, 120px);
  align-items: start;
}

.intro-copy p,
.source-layout p,
.closing-copy p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
}

.decade-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.decade-jump a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 7px 13px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.42);
  color: var(--muted);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.decade-jump a:hover,
.decade-jump a:focus-visible {
  border-color: var(--ink);
  color: var(--ink);
}

.visual-band {
  padding: clamp(68px, 10vw, 132px) clamp(20px, 4vw, 56px);
  background: #ffffff;
  border-top: 1px solid var(--line);
}

.visual-copy,
.timeline-heading,
.closing-copy {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.visual-copy h2 {
  max-width: 13ch;
}

.image-strip {
  width: min(100%, var(--max));
  margin: clamp(42px, 7vw, 76px) auto 0;
  display: grid;
  grid-template-columns: 1.1fr 0.86fr 1fr;
  gap: 18px;
  align-items: end;
}

.image-strip figure,
.source-preview {
  margin: 0;
}

.image-strip img {
  width: 100%;
  height: clamp(220px, 28vw, 370px);
  object-fit: cover;
  border-radius: 8px;
}

.image-strip figure:nth-child(2) img {
  height: clamp(260px, 34vw, 455px);
}

.image-strip figcaption,
.source-preview figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-weight: 850;
}

.timeline-shell {
  padding: clamp(72px, 12vw, 150px) clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.timeline-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(38px, 7vw, 84px);
}

.timeline-content {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.era-section {
  display: grid;
  grid-template-columns: minmax(190px, 0.32fr) minmax(0, 1fr);
  gap: clamp(32px, 6vw, 80px);
  padding: clamp(46px, 8vw, 92px) 0;
  border-top: 1px solid var(--line);
}

.era-heading {
  position: sticky;
  top: calc(var(--header) + 28px);
  align-self: start;
}

.era-heading h3 {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.9rem, 3vw, 3.3rem);
  line-height: 1;
}

.era-heading p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.milestone-list {
  display: grid;
  gap: clamp(34px, 6vw, 76px);
}

.milestone {
  display: grid;
  grid-template-columns: minmax(170px, 0.28fr) minmax(0, 1fr) minmax(280px, 0.44fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: start;
  padding-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid rgba(216, 209, 197, 0.72);
}

.milestone-year {
  color: var(--gold);
  font-size: clamp(2.25rem, 4.2vw, 4rem);
  font-weight: 900;
  line-height: 0.95;
}

.milestone-copy h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.65rem, 3vw, 3rem);
  line-height: 1.05;
}

.milestone-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.14rem);
}

.milestone-kicker {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 0.76rem;
  font-weight: 870;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-set {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.metric {
  min-height: 82px;
  padding: 14px 0 12px;
  border-top: 2px solid var(--ink);
}

.metric-value {
  display: block;
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  line-height: 1;
  font-weight: 900;
}

.metric-label {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 850;
}

.milestone-visual {
  min-height: 260px;
}

.milestone-visual figure {
  margin: 0;
}

.milestone-visual img,
.year-plate {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 8px;
}

.milestone-visual img {
  object-fit: cover;
}

.year-plate {
  display: grid;
  align-content: space-between;
  padding: 24px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  overflow: hidden;
}

.year-plate[data-tone="gold"] {
  background: #f5ebd0;
}

.year-plate[data-tone="green"] {
  background: #e6eee9;
}

.year-plate[data-tone="blue"] {
  background: #e6edf1;
}

.plate-year {
  color: rgba(23, 23, 23, 0.12);
  font-size: clamp(3.6rem, 8vw, 6.6rem);
  line-height: 0.84;
  font-weight: 950;
}

.plate-title {
  max-width: 100%;
  color: var(--charcoal);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.05rem, 1.55vw, 1.45rem);
  line-height: 1.04;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.plate-line {
  width: 46px;
  height: 4px;
  background: var(--red);
}

.visual-caption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

.proof-band {
  background: #ffffff;
}

.proof-panel {
  display: grid;
  gap: 44px;
}

.proof-panel h3 {
  margin: 0 0 18px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-track {
  display: grid;
  gap: 12px;
}

.metric-bar {
  display: grid;
  grid-template-columns: 74px 1fr minmax(64px, auto);
  gap: 12px;
  align-items: center;
  min-height: 36px;
}

.metric-year {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 820;
}

.metric-fill {
  position: relative;
  height: 7px;
  background: var(--paper-2);
  border-radius: 999px;
  overflow: hidden;
}

.metric-fill::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--fill, 8%);
  min-width: 7px;
  background: var(--ink);
  border-radius: inherit;
}

.metric-readout {
  justify-self: end;
  font-size: 0.9rem;
  font-weight: 850;
}

.closing-band {
  padding: clamp(86px, 14vw, 180px) clamp(20px, 4vw, 56px);
  background: var(--charcoal);
  color: var(--paper);
}

.closing-copy {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(280px, 0.7fr);
  gap: clamp(32px, 8vw, 108px);
  align-items: end;
}

.closing-copy h2 {
  max-width: 12ch;
}

.closing-copy p {
  color: #d7d0c7;
}

.source-layout {
  align-items: center;
}

.source-preview {
  justify-self: end;
  width: min(100%, 380px);
}

.source-preview img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-weight: 850;
}

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    gap: clamp(28px, 5vw, 56px);
  }

  .anniversary-mark {
    min-height: 420px;
  }

  .section-grid,
  .source-layout,
  .closing-copy {
    grid-template-columns: 1fr;
  }

  .intro-copy,
  .proof-panel,
  .source-preview {
    justify-self: stretch;
  }

  .era-section {
    grid-template-columns: 1fr;
  }

  .era-heading {
    position: static;
  }

  .milestone {
    grid-template-columns: 1fr;
  }

  .milestone-visual {
    grid-column: auto;
    max-width: 360px;
  }
}

@media (max-width: 760px) {
  :root {
    --header: 62px;
  }

  .site-header {
    align-items: start;
    min-height: auto;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .nav-links {
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero {
    min-height: auto;
    padding-top: 58px;
  }

  .hero-inner,
  .milestone {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: clamp(4.1rem, 20vw, 6rem);
  }

  .anniversary-mark {
    min-height: 340px;
    width: min(100%, 320px);
    justify-self: start;
  }

  .image-strip {
    grid-template-columns: 1fr;
  }

  .image-strip img,
  .image-strip figure:nth-child(2) img {
    height: min(68vw, 360px);
  }

  .timeline-heading {
    display: block;
  }

  .milestone-visual {
    grid-column: auto;
    max-width: none;
  }

  .milestone-visual img,
  .year-plate {
    aspect-ratio: 16 / 10;
  }

  .metric-bar {
    grid-template-columns: 62px 1fr 56px;
  }

  .site-footer {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}