:root { color-scheme: light; --ink: #14263f; --muted: #4d6078; --blue: #214fc2; --line: #d7e0ee; --paper: #fff; --canvas: #f4f7fc; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--canvas); font: 1rem/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--blue); text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #eb9e17; outline-offset: 5px; border-radius: 2px; }
.skip { position: absolute; top: -100px; left: 1rem; padding: .5rem 1rem; background: white; z-index: 2; }
.skip:focus { top: .5rem; }
header { background: #14263f; color: #fff; border-bottom: 4px solid #5c91ff; }
.header-inner { max-width: 66rem; margin: auto; padding: 1.2rem 2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem 2rem; flex-wrap: wrap; }
.brand { color: #fff; font-size: 1.12rem; font-weight: 700; text-decoration: none; }
nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
nav a { color: #dce8ff; text-decoration: none; padding: .25rem 0; }
nav a[aria-current="page"] { color: white; border-bottom: 2px solid #8cb4ff; }
main { max-width: 52rem; margin: 3rem auto; padding: 2.6rem 3rem; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; }
.eyebrow { margin: 0 0 .6rem; font-size: .88rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); }
h1 { margin: 0 0 1.1rem; font-size: clamp(2rem, 6vw, 2.9rem); line-height: 1.15; letter-spacing: -.025em; }
h2 { margin: 2rem 0 .6rem; font-size: 1.25rem; line-height: 1.4; }
p { margin: .75rem 0; }
.lead { font-size: 1.2rem; color: var(--muted); }
.note { border-left: 3px solid #3165d1; background: #eef4ff; padding: 1rem 1.2rem; margin: 1.8rem 0; }
.note p { margin: 0; }
ul { padding-left: 1.4rem; }
li { margin: .5rem 0; }
.meta { color: var(--muted); font-size: .9rem; }
.links { display: flex; gap: 1rem 2rem; flex-wrap: wrap; padding-top: 1rem; border-top: 1px solid var(--line); margin-top: 2rem; }
footer { max-width: 52rem; margin: 0 auto 3rem; padding: 0 1rem; color: var(--muted); font-size: .9rem; }
@media (max-width: 600px) { .header-inner { padding: 1rem 1.25rem; } nav { gap: 1.2rem; } main { margin: 1.25rem .75rem; padding: 1.7rem 1.3rem; border-radius: 8px; } }