* { box-sizing: border-box; }
:root { color-scheme: light; font-family: "Segoe UI", Arial, sans-serif; color: #30251f; background: #faf8f5; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
a { color: #914018; text-underline-offset: .25em; }
a:focus-visible { outline: 3px solid #c05b1c; outline-offset: 5px; border-radius: 2px; }
.skip-link { position: absolute; left: 1rem; top: -5rem; z-index: 2; background: white; padding: .75rem; }
.skip-link:focus { top: 1rem; }
.site-header { display: flex; align-items: center; gap: 1.5rem; padding: 1.25rem max(5vw, calc((100vw - 1120px) / 2)); background: #fff; border-top: 3px solid #c45b19; border-bottom: 1px solid #e8e0d8; }
.brand { display: inline-flex; flex-shrink: 0; }
.brand img { display: block; width: 180px; height: auto; }
.service-label { color: #432b1d; border-left: 1px solid #ded2c7; padding-left: 1.5rem; font-size: 1.6rem; font-weight: 650; letter-spacing: -.025em; }
main { flex: 1; display: flex; padding: 3rem 1.25rem; }
.signin-card { margin: auto; width: 100%; max-width: 30rem; padding: clamp(1.5rem, 5vw, 2.5rem); background: #fff; border: 1px solid #e5dcd3; border-radius: .75rem; box-shadow: 0 6px 24px #40200b06; }
.lock-mark { display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: .7rem; background: #fbecdc; color: #9a451a; margin-bottom: 1.5rem; }
.lock-mark svg { width: 1.8rem; height: 1.8rem; }
h1 { font-size: clamp(1.35rem, 3vw, 1.6rem); font-weight: 650; line-height: 1.3; margin: 0 0 1rem; letter-spacing: -.02em; }
p { margin: 0; color: #6c5e52; line-height: 1.65; }
.test-link { display: inline-block; margin-top: 1.5rem; font-weight: 600; }
footer { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; margin: 0 5vw; padding: 1.25rem 0; border-top: 1px solid #e2dad1; color: #766558; font-size: .8rem; }
@media (max-width: 400px) { .site-header { gap: 1rem; } .brand img { width: 150px; } .service-label { padding-left: 1rem; font-size: 1.4rem; } }

footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }