:root {
  --ink: #06110f;
  --ink-soft: #26322f;
  --muted: #56615e;
  --paper: #fbfbfa;
  --paper-cool: #f1f3f2;
  --line: #d7dcda;
  --line-strong: #aeb9b5;
  --green: #003c38;
  --green-deep: #072d2a;
  --amber: #c87822;
  --serif: Didot, "Bodoni 72", "Iowan Old Style", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --max: 1380px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-header {
  display: grid;
  grid-template-columns: max-content 1fr max-content;
  gap: clamp(1.4rem, 3.2vw, 3rem);
  align-items: center;
  min-height: 98px;
  padding: 1.25rem max(3vw, calc((100vw - var(--max)) / 2));
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line-strong);
  background: rgba(251, 251, 250, 0.96);
}

.brand {
  padding-right: clamp(1.4rem, 3.2vw, 3rem);
  border-right: 1px solid var(--line-strong);
  font-size: 1rem;
  font-weight: 830;
  letter-spacing: 0.16em;
  line-height: 1.05;
  text-decoration: none;
  text-transform: uppercase;
}

.site-label {
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 740;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.main-site-link {
  color: var(--green-deep);
  font-size: 0.95rem;
  font-weight: 560;
  text-decoration: none;
}

.main-site-link span {
  display: inline-block;
  margin-left: 0.25rem;
  color: var(--amber);
  transition: transform 160ms ease;
}

.main-site-link:hover span {
  transform: translate(2px, -2px);
}

main {
  border-bottom: 1px solid var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(330px, 0.75fr);
  min-height: 390px;
  border-bottom: 1px solid var(--ink);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3.5rem, 6vw, 6.5rem) max(3vw, calc((100vw - var(--max)) / 2));
}

.eyebrow,
.directory-count {
  margin: 0 0 1.2rem;
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 760;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
.package-name {
  font-family: var(--serif);
  font-weight: 500;
}

h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(5rem, 10vw, 9.5rem);
  line-height: 0.82;
  letter-spacing: -0.045em;
}

.intro {
  max-width: 690px;
  margin: 1.2rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
}

.hero-visual {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  border-left: 1px solid var(--line-strong);
  background: var(--paper-cool);
}

.grid-lines {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.8%, rgba(0, 60, 56, 0.14) 50%, transparent 50.2%),
    linear-gradient(0deg, transparent 49.8%, rgba(0, 60, 56, 0.14) 50%, transparent 50.2%),
    repeating-linear-gradient(90deg, transparent 0 78px, rgba(0, 60, 56, 0.11) 78px 79px),
    repeating-linear-gradient(0deg, transparent 0 78px, rgba(0, 60, 56, 0.11) 78px 79px);
}

.ribbed-plane {
  position: absolute;
  right: -4%;
  bottom: 0;
  width: 88%;
  height: 76%;
  clip-path: polygon(0 100%, 70% 12%, 100% 0, 100% 100%);
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 17px),
    linear-gradient(145deg, #0b514b, var(--green-deep));
  box-shadow: -28px 0 56px rgba(6, 17, 15, 0.13);
}

.amber-mark {
  position: absolute;
  top: 17%;
  right: 12%;
  width: 14%;
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.68);
  background: var(--amber);
}

.directory {
  width: min(100%, calc(var(--max) + 6vw));
  margin: 0 auto;
  padding: clamp(3rem, 5vw, 5.5rem) 3vw clamp(4rem, 6vw, 6.5rem);
}

.directory-heading {
  display: grid;
  grid-template-columns: 1fr minmax(240px, 0.55fr);
  gap: 3rem;
  align-items: end;
  margin-bottom: clamp(2.3rem, 4vw, 3.6rem);
}

.directory-heading h2 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
}

.directory-heading > p {
  max-width: 360px;
  margin: 0 0 0.35rem auto;
  color: var(--muted);
  font-size: 0.98rem;
}

.column-labels,
.package-list a {
  display: grid;
  grid-template-columns: 68px minmax(240px, 1.15fr) minmax(220px, 1fr) minmax(190px, 0.72fr) 42px;
  gap: 1.25rem;
  align-items: center;
}

.column-labels {
  min-height: 42px;
  padding: 0 1rem;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line-strong);
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.column-labels span:last-child {
  text-align: right;
}

.package-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.package-list li {
  border-bottom: 1px solid var(--line-strong);
}

.package-list a {
  min-height: 94px;
  padding: 1rem;
  text-decoration: none;
  transition: color 150ms ease, background-color 150ms ease;
}

.package-list a:hover,
.package-list a:focus-visible {
  color: #fff;
  background: var(--green);
  outline: 0;
}

.package-list a:focus-visible {
  box-shadow: inset 0 0 0 3px var(--amber);
}

.package-number {
  color: var(--green);
  font-family: var(--serif);
  font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}

.package-name {
  font-size: clamp(1.7rem, 2.4vw, 2.45rem);
  line-height: 1;
}

.package-contents {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.package-list code {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.package-arrow {
  color: var(--amber);
  font-size: 2rem;
  line-height: 1;
  text-align: right;
  transition: transform 150ms ease;
}

.package-list a:hover .package-number,
.package-list a:focus-visible .package-number,
.package-list a:hover .package-contents,
.package-list a:focus-visible .package-contents,
.package-list a:hover code,
.package-list a:focus-visible code {
  color: #fff;
}

.package-list a:hover .package-arrow,
.package-list a:focus-visible .package-arrow {
  transform: translateX(4px);
}

footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto auto;
  gap: 2rem;
  align-items: center;
  min-height: 100px;
  padding: 1.5rem max(3vw, calc((100vw - var(--max)) / 2));
  color: var(--muted);
  font-size: 0.78rem;
}

footer a {
  text-decoration-color: var(--line-strong);
  text-underline-offset: 0.25em;
}

.footer-brand {
  color: var(--green);
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@media (max-width: 980px) {
  .column-labels,
  .package-list a {
    grid-template-columns: 54px minmax(210px, 1fr) minmax(220px, 0.9fr) 38px;
  }

  .column-labels span:nth-child(4),
  .package-list code {
    display: none;
  }

  footer {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 84px;
    padding: 1rem 1.25rem;
  }

  .brand {
    border-right: 0;
  }

  .site-label {
    display: none;
  }

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

  .hero-copy {
    min-height: 330px;
    padding: 4rem 1.25rem 3.5rem;
  }

  h1 {
    font-size: clamp(4.5rem, 24vw, 7.2rem);
  }

  .hero-visual {
    min-height: 150px;
    border-top: 1px solid var(--line-strong);
    border-left: 0;
  }

  .ribbed-plane {
    width: 72%;
    height: 125%;
  }

  .amber-mark {
    top: 20%;
    width: 11%;
  }

  .directory {
    padding: 3.5rem 1.25rem 4.5rem;
  }

  .directory-heading {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }

  .directory-heading > p {
    margin-left: 0;
  }

  .column-labels {
    display: none;
  }

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

  .package-list a {
    grid-template-columns: 42px 1fr 32px;
    grid-template-rows: auto auto;
    gap: 0.35rem 0.8rem;
    min-height: 104px;
    padding: 1.15rem 0.3rem;
  }

  .package-number {
    grid-row: 1 / span 2;
    align-self: start;
    padding-top: 0.1rem;
    font-size: 1rem;
  }

  .package-name {
    font-size: clamp(1.65rem, 8vw, 2.15rem);
  }

  .package-contents {
    grid-column: 2;
  }

  .package-arrow {
    grid-column: 3;
    grid-row: 1 / span 2;
    align-self: center;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 2rem 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}