:root {
  --navy: #0B2C4A;
  --navy-2: #123d63;
  --accent: #3FA7D6;
  --bg: #ffffff;
  --bg-alt: #F3F6F9;
  --text: #1c2733;
  --muted: #5b6b7b;
  --line: #d9e1e8;
  --radius: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

/* Sprachumschaltung */
body[data-lang="de"] [lang="en"],
body[data-lang="en"] [lang="de"] { display: none; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
a { color: var(--navy-2); }
a:hover { color: var(--accent); }

.skip {
  position: absolute; left: -999px; top: 8px;
  background: #fff; color: var(--navy); padding: 8px 12px; border-radius: 6px; z-index: 100;
}
.skip:focus { left: 8px; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy); color: #fff;
}
.bar { display: flex; align-items: center; gap: 16px; min-height: 72px; flex-wrap: wrap; }
.brand {
  display: flex; align-items: center; gap: 14px;
  color: #fff; text-decoration: none; font-weight: 700;
  font-size: 1.15rem; letter-spacing: .03em;
}
.brand img { height: 32px; width: auto; }
.top nav { display: flex; gap: 4px 16px; flex-wrap: wrap; margin-left: auto; }
.top nav a { color: #cfe0ee; text-decoration: none; font-size: .95rem; padding: 4px 0; }
.top nav a:hover, .top nav a:focus-visible { color: #fff; }
.switch { display: flex; border: 1px solid #4b6b88; border-radius: 6px; overflow: hidden; }
.switch button {
  background: transparent; color: #cfe0ee; border: 0; padding: 4px 12px;
  font: inherit; font-size: .85rem; cursor: pointer;
}
.switch button[aria-pressed="true"] { background: #fff; color: var(--navy); font-weight: 600; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Hero */
.hero { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; padding: 64px 0 56px; }
.hero h1 { margin: 0 0 8px; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; }
.role { margin: 0 0 16px; font-size: clamp(1.05rem, 2.5vw, 1.3rem); color: #cfe0ee; }
.lead { max-width: 720px; margin: 0 0 28px; }
.facts {
  list-style: none; padding: 0; margin: 0 0 28px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px;
}
.facts li {
  margin: 0; background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18); border-top: 3px solid var(--accent);
  border-radius: var(--radius); transition: background .15s, transform .15s;
}
.facts li:hover, .facts li:focus-within { background: rgba(255,255,255,.16); transform: translateY(-2px); }
.facts a {
  display: flex; flex-direction: column; gap: 4px; height: 100%;
  padding: 16px 18px; color: #fff; text-decoration: none;
}
.facts strong { font-size: 1.5rem; line-height: 1.2; color: #fff; }
.facts .label { color: var(--accent); font-weight: 600; }
.facts .sub { color: #cfe0ee; font-size: .9rem; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 0; }
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 8px;
  background: var(--accent); color: var(--navy); font-weight: 600; text-decoration: none;
}
.btn:hover { background: #fff; color: var(--navy); }
.btn.ghost { background: transparent; color: #fff; border: 1px solid #7e9bb5; }
.btn.ghost:hover { background: #fff; color: var(--navy); }

/* Sektionen */
section { padding: 56px 0; }
section.alt { background: var(--bg-alt); }
h2 { margin: 0 0 24px; font-size: 1.7rem; color: var(--navy); }
h2::after { content: ""; display: block; width: 48px; height: 3px; background: var(--accent); margin-top: 8px; }
h3 { margin: 0 0 8px; font-size: 1.1rem; color: var(--navy); }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
ul { padding-left: 20px; margin: 0; }
li { margin-bottom: 6px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.tags { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  margin: 0; padding: 4px 10px; font-size: .9rem;
  background: var(--bg-alt); border: 1px solid var(--line); border-radius: 999px;
}
.note { color: var(--muted); font-size: .9rem; margin-top: 16px; }

/* Fallbeispiele */
.case { border-left: 4px solid var(--accent); padding: 4px 0 4px 18px; margin-bottom: 28px; }
.case dl { margin: 0; }
.case dt { font-weight: 600; color: var(--navy); margin-top: 10px; }
.case dd { margin: 2px 0 0; }

/* Tabelle */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { background: var(--navy); color: #fff; font-weight: 600; }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0 0 16px; }
.timeline li { display: grid; gap: 2px; padding: 0 0 18px 18px; border-left: 2px solid var(--line); position: relative; }
.timeline li::before {
  content: ""; position: absolute; left: -6px; top: 6px; width: 10px; height: 10px;
  border-radius: 50%; background: var(--accent);
}
.date { color: var(--muted); font-size: .9rem; }

.links { list-style: none; padding: 0; display: flex; gap: 16px; flex-wrap: wrap; }

/* Footer */
footer { background: var(--navy); color: #cfe0ee; padding: 28px 0; font-size: .85rem; }
footer p { margin: 0 0 8px; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media (max-width: 640px) {
  .top nav { margin-left: 0; order: 3; width: 100%; padding-bottom: 8px; }
  .switch { margin-left: auto; }
  section { padding: 40px 0; }
}