:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #14213d;
  background: #f6f7fb;
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.6; }
a { color: #0758b8; }
a:focus-visible { outline: 3px solid #a85516; outline-offset: 3px; }
.skip-link { position: absolute; left: -10000px; top: auto; }
.skip-link:focus-visible { left: 1rem; top: 1rem; z-index: 2; background: #fff; padding: 0.5rem; }

header, main, footer { max-width: 1040px; margin: 0 auto; padding: 1.25rem; }
header { border-bottom: 1px solid #dce3ee; }
nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
nav ul { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; margin: 0; padding: 0; list-style: none; }
.brand { color: #14213d; font-size: 1.1rem; font-weight: 800; letter-spacing: -0.02em; text-decoration: none; }

main { background: #fff; margin-top: 1.5rem; margin-bottom: 1.5rem; border: 1px solid #e2e8f0; border-radius: 1rem; box-shadow: 0 12px 34px rgb(20 33 61 / 7%); }
h1, h2, h3 { color: #14213d; line-height: 1.2; }
h1 { margin-top: 0; font-size: clamp(2.25rem, 6vw, 4.5rem); letter-spacing: -0.045em; }
h2 { margin-top: 2.75rem; font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { margin-bottom: 0.4rem; font-size: 1.05rem; }
p { max-width: 74ch; }
footer { color: #4d5c70; font-size: 0.9rem; }
.notice { border-left: 4px solid #0758b8; padding-left: 1rem; }
.hero { padding: clamp(1.5rem, 5vw, 4rem) 0 2.5rem; }
.eyebrow { color: #0758b8; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.12em; }
.lead { color: #40506a; font-size: clamp(1.1rem, 2vw, 1.35rem); }
.button { display: inline-block; padding: 0.7rem 1rem; border-radius: 0.55rem; background: #0758b8; color: #fff; font-weight: 700; text-decoration: none; }
.button:hover { background: #064b9d; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.feature-grid article, .trust { padding: 1.25rem; border: 1px solid #dce3ee; border-radius: 0.75rem; background: #f9fbff; }
.feature-grid p { margin-bottom: 0; }
.trust { margin-top: 2.75rem; background: #eef5ff; }
.trust h2 { margin-top: 0; }

@media (max-width: 640px) {
  nav { align-items: flex-start; flex-direction: column; }
  .feature-grid { grid-template-columns: 1fr; }
}