:root {
  --ink: #14213d;
  --text: #2b3445;
  --muted: #5b6575;
  --rule: #d9dee6;
  --paper: #ffffff;
  --band: #f2f4f7;
  --accent: #1d5c8a;
  --accent-deep: #154569;
  --sans: "IBM Plex Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  --wrap: 68rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: underline; text-underline-offset: 0.15em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent-deep); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 0.6rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; top: 1rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1.5rem; }

/* Header */
.top {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 1.5rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.6rem;
  color: var(--ink); text-decoration: none;
  font-weight: 600; font-size: 1.125rem; letter-spacing: -0.01em;
}
.mark { width: 28px; height: 28px; fill: var(--accent); stroke: var(--accent); stroke-width: 1.2; }
.top nav { display: flex; gap: 1.75rem; align-items: center; }
.top nav a { color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.top nav a:hover { color: var(--accent); }
.nav-cta { color: var(--accent) !important; }

/* Hero */
.hero {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 4rem 1.5rem 5.5rem;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  gap: 3rem;
  align-items: center;
}
h1 {
  margin: 0 0 1.25rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.1rem, 4.2vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--ink);
  max-width: 20ch;
}
.lede { margin: 0 0 2rem; font-size: 1.2rem; line-height: 1.55; color: var(--muted); max-width: 52ch; }
.button {
  display: inline-block;
  background: var(--accent); color: #fff;
  padding: 0.8rem 1.4rem; border-radius: 4px;
  font-weight: 500; text-decoration: none;
}
.button:hover { background: var(--accent-deep); color: #fff; }

.hero-art { width: 100%; max-width: 320px; justify-self: end; }
.hero-art .edges path { fill: none; stroke: var(--accent); stroke-width: 1.25; opacity: 0.55; }
.hero-art .nodes circle { fill: var(--paper); stroke: var(--accent); stroke-width: 2; }
.hero-art .nodes circle:first-child { fill: var(--accent); }

/* Sections */
section { padding: 4.5rem 0; }
.band { background: var(--band); }
h2 {
  margin: 0 0 2rem;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.75rem;
  line-height: 1.2;
  color: var(--ink);
}
h3 { margin: 0 0 0.5rem; font-size: 1.125rem; font-weight: 600; color: var(--ink); }
p { margin: 0 0 1rem; max-width: 62ch; }
p:last-child { margin-bottom: 0; }

.services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 3rem;
}
.services article { padding: 1.5rem 0; border-top: 1px solid var(--rule); }
.services article p { color: var(--text); }

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 2rem 4rem;
  align-items: start;
}
.two-col h2 { margin-bottom: 0; }

.steps { margin: 0; padding: 0 0 0 1.5rem; max-width: 62ch; }
.steps li { padding: 0.6rem 0; }
.steps li::marker { color: var(--accent); font-weight: 600; }
.steps strong { color: var(--ink); font-weight: 600; }

/* Footer */
.foot { border-top: 1px solid var(--rule); padding: 1.75rem 0 2.5rem; color: var(--muted); font-size: 0.925rem; }
.foot .skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 0.6rem 1rem; z-index: 10; }
.skip:focus { left: 1rem; top: 1rem; }

.wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

@media (max-width: 48rem) {
  .top { flex-wrap: wrap; }
  .top nav { gap: 1.25rem; flex-wrap: wrap; }
  .hero { grid-template-columns: 1fr; padding: 2.5rem 1.5rem 3.5rem; gap: 2rem; }
  .hero-art { max-width: 200px; justify-self: start; }
  section { padding: 3rem 0; }
  .services { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 1rem; }
  .two-col h2 { margin-bottom: 0.5rem; }
}