:root { color-scheme: light; font-family: system-ui, sans-serif; color: #273542; background: #f7f8fa; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid #44648a; outline-offset: 5px; }
.portal-header, .portal-footer { max-width: 1040px; margin: auto; padding: 26px 30px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.portal-brand { font-weight: 700; font-size: 20px; }
.portal-status { color: #526174; font-size: 12px; border: 1px solid #c9d2dd; padding: 5px 12px; border-radius: 30px; }
.portal-main { max-width: 920px; margin: auto; padding: 65px 30px; }
.portal-kicker { color: #42618a; text-transform: uppercase; font-size: 12px; letter-spacing: 1.4px; font-weight: 600; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.17; letter-spacing: -1.5px; max-width: 720px; margin: 20px 0; }
.portal-intro { font-size: 17px; color: #526174; max-width: 620px; }
.portal-languages { display: flex; gap: 12px; flex-wrap: wrap; margin: 30px 0 40px; }
.portal-languages a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 18px; border: 1px solid #c9d2dd; border-radius: 8px; background: white; }
.portal-languages a:hover, .portal-languages a[aria-current] { border-color: #42618a; color: #294e7f; }
.portal-courses { display: grid; gap: 20px; }
.portal-card { background: white; border: 1px solid #d9dfe7; border-radius: 16px; padding: 30px; max-width: 680px; }
.portal-card h2 { font-size: 24px; line-height: 1.4; margin: 12px 0; }
.portal-card p { color: #526174; }
.portal-button { display: inline-flex; align-items: center; gap: 24px; padding: 12px 20px; min-height: 48px; border-radius: 8px; background: #315780; color: white; margin-top: 15px; }
.portal-button:hover { background: #25476b; }
.portal-note { color: #526174; font-size: 13px; max-width: 650px; margin-top: 30px; }
.portal-footer { border-top: 1px solid #d9dfe7; color: #526174; font-size: 13px; }
@media (max-width: 600px) { .portal-header { padding: 20px; flex-wrap: wrap; gap: 10px; } .portal-status { font-size: 11px; } .portal-main { padding: 35px 20px 50px; } .portal-card { padding: 24px 20px; } .portal-card h2 { font-size: 22px; } .portal-languages { gap: 10px; } .portal-languages a { padding-inline: 14px; } }