:root {
  color-scheme: light;
  --ink: #172334;
  --muted: #667589;
  --line: #dce5ed;
  --paper: #f5f8fb;
  --white: #fff;
  --blue: #155eef;
  --blue-dark: #0b3c9e;
  --teal: #15b8a6;
}
* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; color: var(--ink); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--blue-dark); text-underline-offset: .2em; }
a:hover { color: var(--blue); }
.site-header, footer { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.1rem max(1.25rem, calc((100vw - 1120px)/2)); background: var(--white); }
.site-header { border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .7rem; color: var(--ink); font-weight: 750; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: .7rem; color: white; background: linear-gradient(135deg, var(--blue), var(--teal)); }
nav, footer span:last-child { display: flex; gap: 1.25rem; }
nav a, footer a { color: var(--muted); font-size: .92rem; text-decoration: none; }
nav a[aria-current="page"] { color: var(--blue-dark); font-weight: 700; }
main { width: min(1120px, calc(100% - 2.5rem)); margin: 0 auto; }
.hero { padding: clamp(4rem, 10vw, 7.5rem) 0 4rem; max-width: 850px; }
.eyebrow { margin: 0 0 .8rem; color: var(--blue-dark); font-size: .75rem; font-weight: 800; letter-spacing: .15em; }
h1 { margin: 0; max-width: 850px; font-size: clamp(2.6rem, 6vw, 4.7rem); line-height: 1.06; letter-spacing: -.055em; }
.lead { max-width: 700px; margin: 1.5rem 0 0; color: var(--muted); font-size: 1.18rem; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.25rem; margin-top: 2rem; }
.button { display: inline-block; padding: .78rem 1.05rem; border-radius: .65rem; color: white; background: var(--blue); font-weight: 700; text-decoration: none; }
.button:hover { color: white; background: var(--blue-dark); }
.text-link { font-weight: 700; text-decoration: none; }
.panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 2rem; padding: 2rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--white); }
h2 { margin: 0 0 .8rem; font-size: 1.3rem; line-height: 1.3; letter-spacing: -.025em; }
.feature-list { display: grid; gap: .65rem; margin: 0; padding-left: 1.2rem; color: var(--muted); }
.details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; padding: 4rem 0 5rem; }
.details article { border-top: 2px solid var(--line); padding-top: 1rem; }
.number { display: block; margin-bottom: 1rem; color: var(--teal); font-size: .8rem; font-weight: 800; letter-spacing: .1em; }
.details p, .document p, .document li { color: var(--muted); }
.document { max-width: 790px; padding: 4rem 0 5rem; }
.document h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
.document h2 { margin-top: 2.2rem; }
.document p, .document li { line-height: 1.75; }
.document ul { padding-left: 1.4rem; }
.updated { margin: .65rem 0 2rem; font-size: .9rem; }
.notice { margin-top: 2rem; padding: 1rem 1.2rem; border-left: 3px solid var(--teal); background: var(--white); }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .86rem; }
footer span:first-child { max-width: 50%; }
code { overflow-wrap: anywhere; font-size: .9em; }
@media (max-width: 720px) { .panel { grid-template-columns: 1fr; } .details { grid-template-columns: 1fr; gap: 1rem; padding: 3rem 0; } .site-header, footer { padding-left: 1.25rem; padding-right: 1.25rem; } footer { align-items: flex-start; flex-direction: column; } footer span:first-child { max-width: 100%; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; } }