:root {
  --paper: #f3f7f5;
  --sheet: #ffffff;
  --ink: #172520;
  --graphite: #66736d;
  --line: #cdd9d4;
  --cyan: #247b78;
  --navy: #12364a;
  --marker: #f0c75e;
  --display: "Noto Serif SC", "Songti SC", "STSong", serif;
  --body: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --utility: "IBM Plex Mono", "Cascadia Code", "SFMono-Regular", monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    repeating-linear-gradient(to bottom, transparent 0, transparent 31px, rgba(36, 123, 120, 0.055) 32px),
    var(--paper);
  font-family: var(--body);
  line-height: 1.65;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 8px 12px;
  color: #fff;
  background: var(--navy);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--marker);
  outline-offset: 4px;
}

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--ink);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 13px;
}

.wordmark-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--navy);
  font: 700 13px/1 var(--utility);
  letter-spacing: 0.08em;
}

.wordmark strong,
.wordmark small {
  display: block;
}

.wordmark strong {
  font-family: var(--display);
  font-size: 17px;
  letter-spacing: 0.08em;
}

.wordmark small,
.eyebrow,
.index-heading,
.focus-code,
.destination-path,
.footer-meta {
  font-family: var(--utility);
  letter-spacing: 0.12em;
}

.wordmark small {
  margin-top: 2px;
  color: var(--graphite);
  font-size: 9px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 38px);
  font-size: 14px;
}

.site-nav a {
  position: relative;
  padding-block: 8px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: 58px minmax(0, 1.25fr) minmax(300px, 0.75fr);
  align-items: stretch;
  gap: clamp(30px, 5vw, 76px);
  padding: clamp(58px, 8vw, 104px) 0 72px;
  border-bottom: 1px solid var(--ink);
}

.bookmark {
  align-self: stretch;
  min-height: 430px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 16px;
  color: #fff;
  background: var(--cyan);
  box-shadow: 8px 8px 0 rgba(18, 54, 74, 0.12);
}

.bookmark span {
  writing-mode: vertical-rl;
  font: 600 11px/1 var(--utility);
  letter-spacing: 0.22em;
}

.bookmark b {
  font: 600 10px/1 var(--utility);
}

.hero-copy {
  align-self: center;
  animation: settle-in 620ms ease both;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 700;
}

.hero h1 {
  max-width: 750px;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.055em;
}

.hero h1 em {
  position: relative;
  color: var(--navy);
  font-style: normal;
  z-index: 0;
}

.hero h1 em::after {
  content: "";
  position: absolute;
  right: -0.04em;
  bottom: 0.05em;
  left: -0.04em;
  height: 0.22em;
  background: var(--marker);
  z-index: -1;
  transform: rotate(-1deg);
}

.hero-intro {
  max-width: 620px;
  margin: 30px 0 0;
  color: var(--graphite);
  font-size: clamp(16px, 1.6vw, 19px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.action {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 10px 20px;
  border: 1px solid var(--navy);
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.action:hover {
  transform: translateY(-2px);
}

.action-primary {
  color: #fff;
  background: var(--navy);
}

.action-primary:hover {
  background: var(--cyan);
}

.action-secondary:hover {
  color: #fff;
  background: var(--navy);
}

.desk-index {
  align-self: center;
  padding: 26px 28px 24px;
  background: var(--sheet);
  border-top: 5px solid var(--marker);
  box-shadow: 0 18px 46px rgba(23, 37, 32, 0.13);
  transform: rotate(1.2deg);
  animation: settle-note 720ms 80ms ease both;
}

.index-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 15px;
  color: var(--graphite);
  border-bottom: 1px solid var(--line);
  font-size: 9px;
}

.desk-index ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.desk-index li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 13px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.index-number {
  color: var(--cyan);
  font: 700 12px/1.4 var(--utility);
}

.desk-index strong,
.desk-index small {
  display: block;
}

.desk-index strong {
  font-family: var(--display);
  font-size: 16px;
}

.desk-index small {
  margin-top: 3px;
  color: var(--graphite);
  font-size: 12px;
}

.index-note {
  margin: 18px 0 0;
  color: var(--navy);
  font-family: var(--display);
  font-size: 13px;
  text-align: right;
}

.focus-section,
.destinations {
  padding: clamp(64px, 8vw, 100px) 0;
  border-bottom: 1px solid var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(170px, 0.35fr) 1fr;
  gap: 32px;
  align-items: end;
  margin-bottom: 42px;
}

.section-heading .eyebrow {
  margin: 0;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.2;
}

.focus-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.focus-list article {
  min-height: 230px;
  padding: 30px clamp(22px, 3vw, 40px) 28px 0;
  border-bottom: 1px solid var(--line);
}

.focus-list article + article {
  padding-left: clamp(22px, 3vw, 40px);
  border-left: 1px solid var(--line);
}

.focus-code {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 700;
}

.focus-list h3 {
  margin: 50px 0 12px;
  font-family: var(--display);
  font-size: 22px;
}

.focus-list p {
  margin: 0;
  color: var(--graphite);
  font-size: 14px;
}

.destination-list {
  border-top: 1px solid var(--ink);
}

.destination-list a {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) minmax(150px, auto) 28px;
  align-items: center;
  gap: 24px;
  min-height: 104px;
  padding: 20px 8px;
  border-bottom: 1px solid var(--line);
  transition: padding 180ms ease, background-color 180ms ease;
}

.destination-list a:hover {
  padding-right: 18px;
  padding-left: 18px;
  background: rgba(36, 123, 120, 0.075);
}

.destination-id {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--cyan);
  font: 700 12px/1 var(--utility);
}

.destination-copy strong,
.destination-copy small {
  display: block;
}

.destination-copy strong {
  font-family: var(--display);
  font-size: 20px;
}

.destination-copy small {
  margin-top: 4px;
  color: var(--graphite);
  font-size: 13px;
}

.destination-path {
  color: var(--graphite);
  font-size: 10px;
  text-align: right;
}

.destination-arrow {
  color: var(--navy);
  font-size: 22px;
}

.site-footer {
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--graphite);
  font-size: 12px;
}

.site-footer p {
  margin: 0;
}

.site-footer strong {
  color: var(--ink);
}

.footer-meta {
  font-size: 9px;
}

@keyframes settle-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes settle-note {
  from { opacity: 0; transform: translateY(20px) rotate(0deg); }
  to { opacity: 1; transform: translateY(0) rotate(1.2deg); }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 42px 1fr;
  }

  .desk-index {
    grid-column: 2;
    width: min(100%, 500px);
    transform: none;
  }

  .focus-list {
    grid-template-columns: 1fr;
  }

  .focus-list article {
    min-height: auto;
    padding: 28px 0;
  }

  .focus-list article + article {
    padding-left: 0;
    border-left: 0;
  }

  .focus-list h3 {
    margin-top: 24px;
  }
}

@media (max-width: 640px) {
  .site-header,
  main,
  .site-footer {
    width: min(100% - 30px, 1180px);
  }

  .site-header {
    min-height: 82px;
  }

  .wordmark small,
  .site-nav a:first-child {
    display: none;
  }

  .site-nav {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 48px 0 58px;
  }

  .bookmark {
    width: 100%;
    min-height: 9px;
    height: 9px;
    display: block;
    padding: 0;
    box-shadow: 5px 5px 0 rgba(18, 54, 74, 0.1);
  }

  .bookmark span,
  .bookmark b {
    display: none;
  }

  .hero h1 {
    font-size: clamp(38px, 12vw, 54px);
  }

  .hero-actions,
  .action {
    width: 100%;
  }

  .desk-index {
    grid-column: auto;
    padding: 22px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .destination-list a {
    grid-template-columns: 36px 1fr 22px;
    gap: 14px;
    min-height: 94px;
  }

  .destination-path {
    display: none;
  }

  .site-footer {
    min-height: 100px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
  }
}

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

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}