@font-face {
  font-family: "Switzer";
  src: url("/fonts/Switzer-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --ink: #161616;
  --muted: #525252;
  --blue: #0f62fe;
  --blue-hover: #0050e6;
  --blue-active: #002d9c;
  --blue-on-dark: #78a9ff;
  --rule: #e0e0e0;
  --layer: #f4f4f4;
  --layer-hover: #e8e8e8;
  --surface: #ffffff;
  --dark: #161616;
  --on-dark: #f4f4f4;
  --wrap: 1312px;
  --gutter: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f4f4f4;
    --muted: #c6c6c6;
    --blue: #78a9ff;
    --blue-hover: #a6c8ff;
    --blue-active: #d0e2ff;
    --rule: #393939;
    --layer: #262626;
    --layer-hover: #353535;
    --surface: #161616;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: "Switzer", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}
img { max-width: 100%; height: auto; }
a { color: var(--blue); }
a:hover { color: var(--blue-hover); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

h1, h2, h3 { margin: 0 0 16px; line-height: 1.2; color: var(--ink); }
h1 { font-size: clamp(2.25rem, 4.5vw, 3.75rem); font-weight: 300; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.625rem); font-weight: 300; }
h3 { font-size: 1.25rem; font-weight: 400; }
p { margin: 0 0 16px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
@media (min-width: 672px) { :root { --gutter: 32px; } }

.label { font-size: 14px; color: var(--muted); margin: 0 0 12px; }
.lead { font-size: 1.25rem; color: var(--muted); max-width: 46rem; }
.highlight { color: var(--blue); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; z-index: 10; background: var(--surface); padding: 8px 12px; }

/* Buttons: Carbon geometry, square corners */
.btn {
  display: inline-flex; align-items: center; justify-content: space-between; gap: 32px;
  min-height: 48px; padding: 0 16px; border: 1px solid transparent;
  font: inherit; font-size: 14px; letter-spacing: 0.16px; text-decoration: none;
  transition: background-color 70ms, color 70ms, border-color 70ms;
}
.btn--compact { min-height: 40px; gap: 16px; }
.btn--primary { background: #0f62fe; color: #fff; }
.btn--primary:hover { background: #0050e6; color: #fff; }
.btn--primary:active { background: #002d9c; }
.btn--secondary { border-color: var(--blue); color: var(--blue); background: transparent; }
.btn--secondary:hover { background: var(--blue); color: var(--surface); }
.btn__icon { font-size: 16px; }
.actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: var(--surface); border-bottom: 1px solid var(--rule); }
.site-header__inner { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); display: flex; align-items: center; gap: 32px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.logo__mark { width: 28px; height: 28px; }
.logo__word { font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.nav { flex: 1; }
.nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav a { display: block; padding: 10px 12px; color: var(--ink); text-decoration: none; font-size: 14px; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--layer-hover); color: var(--ink); }
.site-header__actions { display: flex; align-items: center; gap: 16px; }
.lang { display: flex; border: 1px solid var(--rule); }
.lang__item { padding: 6px 10px; font-size: 13px; color: var(--ink); text-decoration: none; }
.lang__item[aria-current="true"] { background: var(--ink); color: var(--surface); }
.lang a.lang__item:hover { background: var(--layer-hover); }
.mobile-nav { display: none; }
@media (max-width: 1055px) {
  .nav, .site-header__actions .btn { display: none; }
  .site-header__actions { margin-left: auto; }
  .mobile-nav { display: block; position: relative; }
  .mobile-nav summary { list-style: none; cursor: pointer; padding: 10px 12px; border: 1px solid var(--rule); font-size: 14px; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav ul { position: absolute; right: 0; top: calc(100% + 8px); width: min(280px, calc(100vw - 32px)); margin: 0; padding: 8px 0; list-style: none; background: var(--surface); border: 1px solid var(--rule); }
  .mobile-nav a { display: block; padding: 12px 16px; color: var(--ink); text-decoration: none; }
  .mobile-nav a:hover { background: var(--layer-hover); }
}

/* Sections */
.hero { padding: 80px 0 72px; border-bottom: 1px solid var(--rule); }
.page-head { padding: 48px 0 40px; border-bottom: 1px solid var(--rule); }
.section { padding: 72px 0; }
.section--layer { background: var(--layer); }
.split { display: grid; gap: 32px; }
@media (min-width: 1056px) { .split { grid-template-columns: 5fr 7fr; gap: 64px; } }

.tiles { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin-top: 32px; }
@media (min-width: 672px) { .tiles--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1056px) { .tiles--4 { grid-template-columns: repeat(4, 1fr); } }
.tile { position: relative; display: block; padding: 24px 24px 56px; background: var(--surface); color: var(--ink); text-decoration: none; min-height: 240px; }
.tile p { color: var(--muted); font-size: 15px; }
.tile__arrow { position: absolute; left: 24px; bottom: 20px; color: var(--blue); font-size: 20px; }
a.tile:hover { background: #0f62fe; color: #fff; }
a.tile:hover h3, a.tile:hover p, a.tile:hover .tile__arrow { color: #fff; }

.steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.steps li { padding: 20px 0; border-bottom: 1px solid var(--rule); display: grid; gap: 8px; }
@media (min-width: 672px) { .steps li { grid-template-columns: 200px 1fr; gap: 32px; } }
.steps h3 { margin: 0; font-size: 1.125rem; }
.steps p { margin: 0; color: var(--muted); }

.block { display: grid; gap: 8px; padding: 32px 0; border-top: 1px solid var(--rule); }
.block:last-of-type { border-bottom: 1px solid var(--rule); margin-bottom: 32px; }
@media (min-width: 1056px) { .block { grid-template-columns: 5fr 7fr; gap: 64px; } }
.block h2 { font-size: 1.75rem; margin: 0; }
.block__body p:last-child { margin-bottom: 0; }

.rows { margin: 0; border-top: 1px solid var(--rule); }
.row { display: grid; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--rule); }
@media (min-width: 672px) { .row { grid-template-columns: 5fr 7fr; gap: 64px; } }
.row dt { color: var(--muted); }
.row dd { margin: 0; }

.band { background: var(--dark); color: var(--on-dark); padding: 64px 0; }
.band h2 { color: #fff; }
.band p { color: #c6c6c6; margin: 0; }
.band__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 32px; }

.crumbs ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0 0 24px; padding: 0; font-size: 14px; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--rule); }
.crumbs a { color: var(--blue); text-decoration: none; }

.prose { max-width: 48rem; }
.prose h2 { font-size: 1.5rem; font-weight: 400; margin-top: 40px; }
.prose h3 { font-size: 1.125rem; margin-top: 24px; }
.prose address { font-style: normal; margin-bottom: 16px; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); padding: 56px 0 24px; font-size: 14px; }
.site-footer__inner { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); display: grid; gap: 32px; }
@media (min-width: 672px) { .site-footer__inner { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1056px) { .site-footer__inner { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; } }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer__brand p { color: var(--muted); max-width: 22rem; }
.logo--footer { margin-bottom: 16px; }
.site-footer__partners { font-size: 13px; }
.site-footer__bottom { max-width: var(--wrap); margin: 40px auto 0; padding: 16px var(--gutter) 0; border-top: 1px solid var(--rule); color: var(--muted); font-size: 13px; }

.region { border-top: 1px solid var(--rule); }
.region summary, .region a { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--rule); cursor: pointer; list-style: none; color: var(--ink); text-decoration: none; }
.region summary::-webkit-details-marker { display: none; }
.region summary:hover, .region a:hover { background: var(--layer-hover); text-decoration: none; }
.region img { width: 20px; height: 15px; border: 1px solid var(--rule); flex: none; }
.region__caret { margin-left: auto; width: 8px; height: 8px; border-right: 1px solid currentColor; border-bottom: 1px solid currentColor; transform: rotate(45deg); transition: transform 120ms; }
.region[open] .region__caret { transform: rotate(-135deg); }
@media (prefers-reduced-motion: reduce) { .region__caret { transition: none; } }

/* Academy */
.note { font-size: 14px; color: var(--muted); max-width: 46rem; }
.course-list { list-style: none; margin: 24px 0 0; padding: 0; border-top: 1px solid var(--rule); }
.course-list a { display: grid; grid-template-columns: 1fr auto; gap: 4px 24px; padding: 16px 12px; border-bottom: 1px solid var(--rule); color: var(--ink); text-decoration: none; }
@media (min-width: 672px) { .course-list a { grid-template-columns: 1fr 220px 160px; align-items: baseline; } }
.course-list a:hover { background: #0f62fe; color: #fff; }
.course-list a:hover span { color: #fff; }
.course-list__title { font-size: 1.0625rem; }
.course-list__level { color: var(--muted); font-size: 14px; }
.course-list__price { font-size: 15px; text-align: right; }
@media (max-width: 671px) { .course-list__level { grid-column: 1; } .course-list__price { grid-column: 2; grid-row: 1; } }
.course-head__grid { display: grid; gap: 32px; }
@media (min-width: 1056px) { .course-head__grid { grid-template-columns: 7fr 5fr; gap: 64px; align-items: start; } }
.course-edition, .course-delivery { margin: 0; color: var(--muted); font-size: 15px; }
.course-partner { margin: 8px 0 16px; color: var(--muted); font-size: 15px; }
.course-partner strong { display: block; color: var(--ink); font-weight: 600; }
.buy { background: var(--layer); padding: 24px; border-top: 3px solid #0f62fe; }
.buy__option { padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--rule); }
.buy__format { margin: 0 0 4px; font-size: 14px; color: var(--muted); }
.buy__price { margin: 0; font-size: 2rem; font-weight: 300; }
.buy__price span { font-size: 14px; color: var(--muted); }
.buy__net { margin: 0 0 16px; font-size: 14px; color: var(--muted); }
.buy .btn { width: 100%; }
.acc { border-top: 1px solid var(--rule); }
.acc:last-child { border-bottom: 1px solid var(--rule); }
.acc summary { cursor: pointer; padding: 14px 0; list-style: none; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; float: right; color: var(--blue); }
.acc[open] summary::after { content: "−"; }
.acc ul { margin: 0 0 16px; }
.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 15px; }
.table th, .table td { text-align: left; vertical-align: top; padding: 12px 16px 12px 0; border-bottom: 1px solid var(--rule); }
.table thead th { font-weight: 600; font-size: 14px; }
.table tbody th { font-weight: 400; white-space: nowrap; }

/* Service pages: ruled lists, in-page jump links, anchor offset under the sticky header */
.list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.list li { padding: 16px 0; border-bottom: 1px solid var(--rule); }
.list li h3 { margin: 0 0 8px; }
.list li h3 a { text-decoration: none; }
.list li h3 a:hover { text-decoration: underline; }
.list li p { margin: 0; color: var(--muted); }
.block__body .list { margin-top: 16px; }
.rows--spaced { margin-top: 32px; }
.jump { margin-top: 32px; }
.jump ul { display: flex; flex-wrap: wrap; gap: 0 24px; list-style: none; margin: 0; padding: 16px 0 0; border-top: 1px solid var(--rule); }
.jump a { display: inline-block; padding: 4px 0; font-size: 14px; text-decoration: none; }
.jump a:hover { text-decoration: underline; }
.block[id] { scroll-margin-top: 80px; }
.block h3 { margin: 0; }
/* Long German and Dutch compounds ("Informationsmanagement") must not push a phone layout sideways */
@media (max-width: 671px) {
  h1, h2, h3 { overflow-wrap: break-word; hyphens: auto; }
}