:root {
  color-scheme: light;
  --ink: #16232d;
  --muted: #52616b;
  --paper: #f7f8f6;
  --white: #ffffff;
  --line: #d9e0df;
  --accent: #17696b;
  --accent-dark: #104e50;
  --focus: #c97820;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--accent-dark); text-underline-offset: 0.16em; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: .7rem 1rem; z-index: 10; }
.skip-link:focus { left: 1rem; top: 1rem; }
.shell { width: min(100% - 40px, 900px); margin: 0 auto; }
header { background: var(--ink); color: #fff; border-bottom: 5px solid var(--accent); }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; min-height: 78px; }
.brand { color: #fff; font-weight: 700; letter-spacing: .01em; text-decoration: none; }
nav { display: flex; gap: 1.15rem; flex-wrap: wrap; }
nav a { color: #dce7e6; font-size: .94rem; }
.hero { padding: clamp(3rem, 9vw, 6rem) 0 clamp(2.5rem, 6vw, 4.5rem); }
.eyebrow { color: var(--accent-dark); font-weight: 700; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }
h1, h2 { color: var(--ink); line-height: 1.12; letter-spacing: -.025em; }
h1 { font-size: clamp(2.3rem, 6vw, 4.6rem); max-width: 12ch; margin: .5rem 0 1.25rem; }
h2 { font-size: clamp(1.45rem, 3vw, 2.05rem); margin: 0 0 .85rem; }
.lead { font-size: clamp(1.1rem, 2vw, 1.32rem); max-width: 47rem; color: #35434b; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: 14px; padding: clamp(1.4rem, 4vw, 2.35rem); margin-bottom: 1.25rem; box-shadow: 0 8px 28px rgba(22, 35, 45, .04); }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
ul { padding-left: 1.25rem; }
li + li { margin-top: .55rem; }
.notice { border-left: 4px solid var(--accent); padding: .2rem 0 .2rem 1.1rem; color: #384950; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; margin-top: 3rem; padding: 2rem 0 3rem; }
@media (max-width: 560px) {
  body { font-size: 16px; }
  .shell { width: min(100% - 32px, 900px); }
  .topbar { align-items: flex-start; flex-direction: column; gap: .6rem; padding: 1rem 0; }
  nav { gap: 1rem; }
}