:root { --ink:#16202e; --mute:#3e4a5c; --bg:#ffffff; --soft:#f3f5f9; --brand:#1a4fa0; --brand-dark:#123a78; --line:#cfd6e2; --focus:#b35c00; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin:0; font:1.0625rem/1.6 -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; color:var(--ink); background:var(--bg); }
.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.25rem; }
a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--brand-dark); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.skip { position:absolute; left:-999px; top:0; background:var(--ink); color:#fff; padding:.6rem 1rem; z-index:10; }
.skip:focus { left: .5rem; top: .5rem; }
.site-header { border-bottom:1px solid var(--line); }
.bar { display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:.5rem; padding-top:.8rem; padding-bottom:.8rem; }
.brand { font-weight:700; font-size:1.15rem; color:var(--ink); text-decoration:none; }
nav ul { list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:1.1rem; }
nav a { color:var(--ink); }
section { padding: 3rem 0; }
section:nth-of-type(even) { background: var(--soft); }
h1 { font-size: clamp(2rem, 4vw, 2.8rem); line-height:1.15; margin:0 0 1rem; }
h2 { font-size: 1.75rem; margin: 0 0 1.25rem; }
h3 { font-size: 1.2rem; margin: 0 0 .25rem; }
.lead { font-size:1.2rem; color:var(--mute); max-width: 46rem; }
.button { display:inline-block; background:var(--brand); color:#fff; text-decoration:none; font-weight:600; padding:.75rem 1.2rem; border-radius:.4rem; margin:.25rem .5rem .25rem 0; border:2px solid var(--brand); }
.button:hover { background:var(--brand-dark); border-color:var(--brand-dark); color:#fff; }
.button.secondary { background:#fff; color:var(--brand); }
.button.secondary:hover { background:var(--soft); color:var(--brand-dark); }
.points, .plain { padding-left:1.2rem; max-width: 50rem; }
.points li, .plain li { margin:.4rem 0; }
.cards { display:grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap:1.25rem; }
.card { background:#fff; border:1px solid var(--line); border-radius:.6rem; padding:1.25rem 1.4rem; }
.card ul { padding-left:1.1rem; margin:.5rem 0 0; }
.card li { margin:.35rem 0; }
.price { font-size:1.6rem; font-weight:700; margin:.25rem 0 .5rem; }
.price span { font-size:.95rem; font-weight:400; color:var(--mute); }
.steps { padding-left:1.4rem; max-width: 50rem; }
.steps li { margin:.6rem 0; }
.sources, .small { font-size:.95rem; color:var(--mute); }
details { background:#fff; border:1px solid var(--line); border-radius:.5rem; padding:.75rem 1rem; margin:.6rem 0; max-width: 50rem; }
summary { cursor:pointer; font-weight:600; }
details p { margin:.6rem 0 .2rem; }
.cta { text-align:left; }
.site-footer { border-top:1px solid var(--line); padding: 1.5rem 0; }
.site-footer p { margin:.3rem 0; }
abbr { text-decoration: none; }
/* articles & secondary pages */
.article { max-width: 46rem; padding-top: 2rem; padding-bottom: 3rem; }
.article h2 { margin-top: 2.2rem; font-size: 1.45rem; }
.article li { margin: .35rem 0; }
.article pre.code { background:#16202e; color:#eef1f6; padding: .9rem 1rem; border-radius: .4rem; white-space: pre-wrap; overflow-wrap: anywhere; font-size: .9rem; }
.article code { font: .92em ui-monospace, Menlo, Consolas, monospace; }
.article :not(pre) > code { background: var(--soft); padding: .05rem .3rem; border-radius: .2rem; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .97rem; }
caption { text-align: left; font-weight: 600; margin-bottom: .4rem; }
th, td { border-bottom: 1px solid var(--line); padding: .45rem .5rem; text-align: left; vertical-align: top; }
.note { background: var(--soft); border-left: 4px solid var(--brand); padding: .6rem 1rem; margin: 2rem 0 1rem; }
.cta-inline { border-top: 1px solid var(--line); margin-top: 2rem; padding: 1rem 0 0; background: none; }
.guide-list { padding-left: 1.2rem; max-width: 50rem; }
.guide-list li { margin: .5rem 0; }
.sources-list { font-size: .97rem; }