:root {
  --bg: #e8eaee;
  --paper: #f7f8fa;
  --ink: #0d1117;
  --muted: #5a6270;
  --line: #c5c9d1;
  --accent: #1d4ed8;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  letter-spacing: -0.01em;
}

a {
  color: var(--accent);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.5rem 0.8rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: min(var(--max), calc(100% - 2.4rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(232, 234, 238, 0.94);
  border-bottom: 1px solid var(--ink);
}

.site-header .bar {
  position: relative;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.4rem;
}

.logo {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  padding: 0.35rem 0.7rem;
  font: inherit;
}

.site-nav {
  display: flex;
  gap: 1.4rem;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav a:hover {
  color: var(--accent);
}

.idx {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.hero {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem;
  padding: 5rem 0 3.5rem;
  border-bottom: 1px solid var(--ink);
}

.eyebrow {
  margin: 0 0 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0 0 0.7rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

h1 {
  font-size: clamp(3.4rem, 9vw, 7rem);
  text-transform: uppercase;
}

h2 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.lede,
.section-intro,
.muted,
.cols p,
.row p {
  color: var(--muted);
  max-width: 42rem;
}

.section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--line);
}

.rule {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem;
  align-items: baseline;
  margin-bottom: 1.6rem;
}

.cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--ink);
}

.cols article {
  padding: 1.3rem 1.2rem 1.3rem 0;
  border-right: 1px solid var(--line);
}

.cols article:last-child {
  border-right: 0;
  padding-right: 0;
}

.module {
  min-height: 14rem;
  background: var(--paper);
  padding: 1.3rem 1.2rem !important;
  border-right: 1px solid var(--ink) !important;
}

.rows {
  display: grid;
}

.row {
  display: grid;
  grid-template-columns: 8rem 14rem 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
}

.when {
  margin: 0;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 700;
}

.contact {
  background: var(--accent);
  color: #fff;
}

.contact-inner {
  display: grid;
  grid-template-columns: 4rem 1.2fr 0.8fr;
  gap: 1.5rem;
  padding: 3rem 0;
}

.contact .idx,
.contact h2,
.contact p,
.contact a {
  color: #fff;
}

.links {
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.site-footer {
  padding: 1.2rem 0 2rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
}

.missing {
  min-height: 70vh;
  display: grid;
  align-content: center;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 3.4rem;
    right: 1.2rem;
    left: 1.2rem;
    padding: 1rem;
    flex-direction: column;
    background: var(--paper);
    border: 1px solid var(--ink);
  }

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

  .hero,
  .rule,
  .cols,
  .row,
  .contact-inner,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .cols article,
  .module {
    border-right: 0 !important;
    border-bottom: 1px solid var(--line);
    padding-right: 0 !important;
  }
}