:root {
  --machine-ink: #172039;
  --machine-paper: #fffefa;
  --machine-chrome: #c9d4e5;
  --machine-sapphire: #17347f;
  --machine-cobalt: #3a68cb;
  --machine-coral: #d96872;
  --machine-gold: #ffd27a;
  --machine-keyline: #36455f;
  --machine-shadow: rgba(23, 32, 57, .26);
}

html { scroll-behavior: smooth; }

body {
  color: var(--machine-ink);
  background-color: #dce2ed;
  background-image:
    linear-gradient(rgba(54, 69, 95, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54, 69, 95, .07) 1px, transparent 1px),
    linear-gradient(145deg, #eef1f7, var(--machine-chrome));
  background-size: 24px 24px, 24px 24px, 100% 100%;
}

.machine-institution {
  width: min(1120px, calc(100% - 32px));
  margin: 24px auto;
  overflow: hidden;
  border: 1px solid var(--machine-keyline);
  background: var(--machine-paper);
  box-shadow: 0 18px 42px var(--machine-shadow), 0 3px 0 rgba(255, 255, 255, .72) inset;
}

.machine-hero {
  position: relative;
  min-height: clamp(380px, 52vw, 560px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: white;
  background: var(--machine-sapphire);
  border-bottom: 1px solid #122657;
  isolation: isolate;
}

.machine-hero > img {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.machine-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(14, 27, 58, .88) 0%, rgba(23, 52, 127, .63) 38%, rgba(23, 52, 127, .08) 72%),
    linear-gradient(0deg, rgba(16, 27, 54, .68), transparent 60%);
}

.machine-hero::after {
  content: "";
  position: absolute;
  inset: 13px;
  z-index: -1;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, .35);
  box-shadow: 0 0 0 1px rgba(23, 52, 127, .28);
}

.machine-hero-copy {
  width: min(760px, calc(100% - 64px));
  padding: clamp(34px, 7vw, 72px) clamp(28px, 6vw, 68px);
  text-shadow: 0 2px 12px rgba(11, 20, 43, .62);
}

.machine-hero .hierarchy-nav {
  margin-bottom: 30px;
  color: #fff8df;
}

.machine-hero .hierarchy-nav a { color: var(--machine-gold); }

.machine-hero h1 {
  max-width: 680px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.2rem, 7vw, 6.5rem);
  font-weight: 400;
  line-height: .92;
  letter-spacing: -.05em;
}

.machine-deck {
  max-width: 620px;
  margin: 24px 0 0;
  color: #fff8ea;
  font-size: clamp(1.02rem, 2vw, 1.28rem);
  line-height: 1.52;
}

.machine-letter {
  background:
    linear-gradient(90deg, rgba(58, 104, 203, .055), transparent 96px),
    var(--machine-paper);
}

.letter-page {
  max-width: 44rem;
  margin: 0 auto;
  padding: clamp(52px, 9vw, 116px) clamp(28px, 7vw, 76px) clamp(64px, 10vw, 132px);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.06rem, 1.65vw, 1.2rem);
  line-height: 1.8;
  font-kerning: normal;
}

.letter-page p {
  margin: 0 0 1.55em;
}

.letter-address {
  color: var(--machine-sapphire);
  font-size: 1.22em;
  font-style: italic;
}

.letter-signature {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 7px;
  margin-top: 3.25em !important;
  padding-top: 1.35em;
  border-top: 3px solid var(--machine-coral);
}

.letter-signature span {
  color: var(--machine-sapphire);
  font-size: 1.62rem;
  line-height: 1;
}

.letter-signature small {
  color: #536079;
  font-family: Tahoma, Arial, sans-serif;
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.sydney-library {
  display: grid;
  grid-template-columns: minmax(180px, .34fr) minmax(0, 1fr);
  border-top: 1px solid var(--machine-keyline);
  background: #eef1f7;
}

.sydney-library-heading {
  padding: clamp(34px, 5vw, 56px) clamp(26px, 5vw, 50px);
  color: white;
  background: linear-gradient(145deg, #202838, #31425e);
}

.sydney-library-heading h2 {
  margin: 0 0 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.75rem, 3.5vw, 2.7rem);
  font-weight: 400;
  line-height: 1;
}

.sydney-library-heading p {
  margin: 0;
  color: #dce6f8;
  font-size: .82rem;
  line-height: 1.55;
}

.sydney-paper-links {
  border-left: 1px solid rgba(54, 69, 95, .28);
}

.sydney-paper-links a {
  display: grid;
  grid-template-columns: minmax(180px, .45fr) minmax(0, 1fr);
  gap: 24px;
  align-items: baseline;
  padding: 24px 28px;
  color: var(--machine-ink);
  border-bottom: 1px solid rgba(54, 69, 95, .24);
  text-decoration: none;
}

.sydney-paper-links a:last-child { border-bottom: 0; }
.sydney-paper-links a:hover { background: white; }

.sydney-paper-links strong {
  color: var(--machine-sapphire);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.25;
}

.sydney-paper-links span {
  color: #526078;
  font-size: .78rem;
  line-height: 1.5;
}

.sydney-paper-links a:focus-visible {
  position: relative;
  z-index: 2;
  outline: 3px solid var(--machine-coral);
  outline-offset: -3px;
}

.machine-status {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 18px;
  color: #eef1f7;
  background: #202838;
  border-top: 1px solid #111827;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.machine-status a { color: var(--machine-gold); }

.machine-hero a:focus-visible,
.machine-status a:focus-visible {
  outline: 2px solid var(--machine-gold);
  outline-offset: 3px;
}

@media (max-width: 560px) {
  html { scroll-behavior: auto; }
  body { background: var(--machine-paper); }
  .machine-institution { width: 100%; margin: 0; border-right: 0; border-left: 0; box-shadow: none; }
  .machine-hero { min-height: 480px; }
  .machine-hero > img { object-position: 61% center; }
  .machine-hero::before { background: linear-gradient(0deg, rgba(14, 27, 58, .92), rgba(23, 52, 127, .22) 74%); }
  .machine-hero-copy { width: auto; padding: 34px 24px 48px; }
  .machine-hero h1 { font-size: clamp(3rem, 16vw, 4.7rem); }
  .letter-page { padding: 48px 24px 68px; font-size: 1.03rem; line-height: 1.74; }
  .sydney-library { grid-template-columns: 1fr; }
  .sydney-paper-links { border-left: 0; }
  .sydney-paper-links a { grid-template-columns: 1fr; gap: 8px; padding: 23px 24px; }
  .machine-status { align-items: flex-start; flex-direction: column; }
}

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

@media (prefers-contrast: more) {
  .machine-hero::before { background: rgba(11, 20, 43, .78); }
  .machine-institution { border-color: #172039; }
}