:root {
    --bg: #ffffff;
    --fg: #1d2733;
    --muted: #5b6672;
    --brand: #003b6f;
    --brand-dark: #00294e;
    --accent: #c8102e;
    --line: #d8dee4;
    --soft: #f3f6f9;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #11161c; --fg: #e6ebf0; --muted: #9aa6b2;
        --brand: #7fb2e5; --brand-dark: #0b2540; --line: #2a3541; --soft: #18202a;
    }
}
* { box-sizing: border-box; }
html { font-size: 100%; }
body {
    margin: 0; background: var(--bg); color: var(--fg);
    font: 1rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); }
.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1rem; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--bg); padding: .5rem 1rem; z-index: 10; }

/* header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.header-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 2rem; padding-top: .6rem; padding-bottom: .6rem; }
.logo img { height: 3rem; width: auto; }
.nav { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem; }
.nav a { display: block; padding: .5rem .8rem; text-decoration: none; color: var(--fg); border-bottom: 3px solid transparent; }
.nav a:hover, .nav a:focus-visible { color: var(--brand); border-bottom-color: var(--line); }
.nav a[aria-current="page"] { color: var(--brand); border-bottom-color: var(--accent); font-weight: 600; }

.eyebrow { margin: 0 0 .4rem; color: var(--muted); font-size: .95rem; }

/* content */
main { padding-top: 2rem; padding-bottom: 3rem; }
h1 { font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.25; margin: 0 0 1rem; color: var(--brand); }
h2 { font-size: 1.45rem; line-height: 1.3; margin: 2.2rem 0 .8rem; color: var(--brand); }
h3 { font-size: 1.15rem; margin: 1.6rem 0 .5rem; }
.lead { font-size: 1.1rem; }
img.side { float: right; max-width: 22rem; width: 40%; margin: 0 0 1rem 1.5rem; border-radius: 4px; }
img.wide { margin: 1.5rem 0; border-radius: 4px; }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.gallery img { width: 100%; border-radius: 4px; }
.logos { display: grid; grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); gap: 1rem; align-items: center; margin: 1rem 0; }
.logos img { margin: 0 auto; }
img.cert { max-width: 20rem; }

.acc { border: 1px solid var(--line); border-radius: 4px; margin: .6rem 0; background: var(--soft); }
.acc summary { cursor: pointer; padding: .75rem 1rem; font-weight: 600; color: var(--brand); }
.acc[open] summary { border-bottom: 1px solid var(--line); }
.acc > :not(summary) { margin-left: 1rem; margin-right: 1rem; }
.acc > ul { padding-left: 2.2rem; }
.acc > p:last-child, .acc > ul:last-child { margin-bottom: 1rem; }

.hotline { margin-top: 2rem; padding: 1.2rem 1.5rem; background: var(--soft); border-left: 5px solid var(--accent); clear: both; }
.hotline h2 { margin-top: 0; }
.phone { font-size: 1.8rem; font-weight: 700; margin: .5rem 0 0; }

table.credits { border-collapse: collapse; min-width: 20rem; }
table.credits th, table.credits td { border: 1px solid var(--line); padding: .5rem .9rem; text-align: left; }
table.credits th { background: var(--soft); }

/* footer */
.site-footer { background: var(--soft); border-top: 1px solid var(--line); padding: 2rem 0 1rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 2rem; }
.site-footer h2 { margin: 0 0 .6rem; font-size: 1.1rem; }
.site-footer address { font-style: normal; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.copy { margin-top: 1.5rem; color: var(--muted); font-size: .875rem; }

@media (max-width: 40rem) {
    img.side { float: none; width: 100%; max-width: none; margin: 0 0 1rem; }
    .site-header { position: static; }
}
@media print {
    .site-header, .skip { display: none; }
}