:root {
  color-scheme: light;
  --ink: #142541;
  --muted: #40516c;
  --navy: #102449;
  --accent: #2158a1;
  --line: #dbe4ef;
  --soft: #edf4fb;
  --white: #fff;
  font-family: "Inter", "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.65;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--white); }
a { color: var(--accent); text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid #1f64b6; outline-offset: 5px; }
.shell { width: min(70rem, calc(100% - 3rem)); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.5rem; }
.wordmark { font-size: 1.45rem; font-weight: 800; letter-spacing: -.07em; color: var(--navy); text-decoration: none; }
.wordmark span { color: var(--accent); }
nav { display: flex; gap: clamp(.7rem, 3vw, 2rem); }
nav a { color: var(--ink); font-size: .95rem; font-weight: 650; text-decoration: none; }
nav a:hover { text-decoration: underline; }
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(1.5rem, 6vw, 5rem); align-items: center; padding-block: clamp(3rem, 7vw, 6rem); }
.label { margin: 0 0 .75rem; color: var(--accent); font-size: .95rem; font-weight: 750; }
h1, h2, h3 { line-height: 1.13; }
h1 { max-width: 13ch; margin: 0 0 1.35rem; font-size: clamp(2.5rem, 5.1vw, 4.65rem); letter-spacing: -.065em; }
p { margin-block: .65rem; color: var(--muted); }
.hero-copy > p:not(.label) { max-width: 41ch; }
.button { display: inline-block; margin-top: 1.15rem; padding: .65rem 1rem; border-radius: .4rem; color: var(--white); background: var(--navy); font-weight: 700; text-decoration: none; }
.button:hover { background: var(--accent); }
.hero-art {
  display: grid;
  place-items: center;
  min-height: clamp(15rem, 32vw, 23rem);
  overflow: hidden;
  border-radius: .9rem;
  color: var(--white);
  background: repeating-linear-gradient(134deg, transparent 0 21px, #ffffff12 21px 22px), linear-gradient(145deg, #183f73, var(--navy) 72%);
}
.hero-art > span { font-size: clamp(5rem, 11vw, 8.75rem); font-weight: 850; letter-spacing: -.11em; padding-right: .12em; }
.hero-art span span { color: #9bc6ff; }
.section { padding-block: clamp(2rem, 5vw, 3.75rem); border-top: 1px solid var(--line); scroll-margin-top: 1.5rem; }
h2 { margin: 0 0 1.4rem; font-size: clamp(1.75rem, 3.5vw, 2.45rem); letter-spacing: -.04em; }
h2 span { display: inline-block; margin-inline-start: .35rem; color: var(--muted); font-size: .9rem; letter-spacing: 0; }
h3 { margin: 0 0 .75rem; font-size: 1.2rem; }
.business-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.business-grid article { padding: clamp(1rem, 3vw, 1.75rem); border: 1px solid var(--line); border-radius: .65rem; background: var(--soft); }
.business-grid p:last-child { margin-bottom: 0; }
.email { display: inline-block; margin-top: .45rem; font-weight: 700; overflow-wrap: anywhere; }
.site-footer { padding-block: 1rem; border-top: 1px solid var(--line); font-size: .9rem; }

@media (max-width: 43rem) {
  .shell { width: calc(100% - 2rem); }
  .hero, .business-grid { grid-template-columns: 1fr; }
  .hero-art { min-height: 10rem; }
  h1 { max-width: 15ch; }
}
