:root {
    color-scheme: light;
    --ink: #172033;
    --muted: #5b667a;
    --surface: #ffffff;
    --surface-soft: #f3f7f6;
    --brand: #126c63;
    --brand-deep: #0a4d47;
    --line: #dce5e3;
    --focus: #f4b942;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
    min-height: 100%;
    background: var(--surface-soft);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 90% 0%, rgba(18, 108, 99, 0.14), transparent 32rem),
        var(--surface);
    display: flex;
    flex-direction: column;
}

a { color: var(--brand-deep); }

a:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 4px;
}

.shell {
    width: min(1120px, calc(100% - 2rem));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    inset: 0 auto auto 0;
    z-index: 10;
    padding: 0.75rem 1rem;
    color: #fff;
    background: var(--brand-deep);
    transform: translateY(-120%);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
}

.site-header__inner,
.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-header__inner { min-height: 4.5rem; flex-wrap: wrap; padding-block: .75rem; }

.brand {
    display: flex;
    align-items: center;
    min-width: 0;
    max-width: 100%;
    color: var(--ink);
    font-weight: 800;
    letter-spacing: -0.025em;
    text-decoration: none;
}

.brand__logo { display: block; width: 15rem; max-width: 100%; height: auto; }
.brand__logo + .brand__name { display: none; }

.site-header nav { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem; }
.site-header nav form { margin: 0; }
.site-header nav a {
    font-weight: 650;
    text-decoration: none;
}
.nav-form button {
    appearance: none;
    border: 1px solid var(--brand-deep);
    border-radius: 999px;
    padding: .58rem 1rem;
    color: #fff;
    background: var(--brand-deep);
    font: inherit;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: color .16s ease, background .16s ease, transform .16s ease;
}
.nav-form button:hover { color: var(--brand-deep); background: #fff; transform: translateY(-1px); }
.nav-form button:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

main { flex: 1; }

.hero {
    min-height: min(68vh, 46rem);
    display: grid;
    align-items: center;
    padding-block: 5rem;
}

.hero__content,
.message { max-width: 48rem; }

.eyebrow {
    margin: 0 0 1rem;
    color: var(--brand);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

h1 {
    max-width: 15ch;
    margin: 0;
    font-size: clamp(2.8rem, 8vw, 6.4rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.hero__summary {
    max-width: 36rem;
    margin: 1.5rem 0 0;
    color: var(--muted);
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.65;
}

.message { padding-block: 6rem; }
.message h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }
.request-id { color: var(--muted); }

.site-footer {
    margin-top: auto;
    color: rgba(255,255,255,.72);
    background: #082f36;
}

.site-footer__grid {
    display: grid;
    grid-template-columns: minmax(15rem,1.5fr) repeat(3,minmax(9rem,1fr));
    gap: clamp(2rem,5vw,5rem);
    padding-block: 4rem 3rem;
}
.site-footer__grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: .75rem; }
.site-footer__brand strong { color: #fff; font-size: 1.35rem; }
.site-footer__brand p { max-width: 25rem; margin: 0; line-height: 1.65; }
.site-footer h2 { margin: 0 0 .35rem; color: #fff; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; }
.site-footer a { color: rgba(255,255,255,.82); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid rgba(255,255,255,.16); padding-block: 1.35rem; font-size: .85rem; }

@media (max-width: 42rem) {
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
    .site-footer__brand { grid-column: 1 / -1; }
    .site-footer__bottom { flex-direction: column; }
}