:root {
  --ink: #18212b;
  --muted: #5d6875;
  --line: #dbe2e8;
  --paper: #ffffff;
  --canvas: #f4f6f7;
  --navy: #102a43;
  --navy-2: #173f5f;
  --orange: #d85a1a;
  --orange-soft: #fff0e7;
  --mint: #dff3ec;
  --max: 1160px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.65;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    linear-gradient(180deg, #edf2f4 0, var(--canvas) 28rem),
    var(--canvas);
  color: var(--ink);
}

a { color: #0f5f94; text-underline-offset: .16em; }
a:hover { color: #b54813; }

.skip {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 100;
  padding: .7rem 1rem;
  background: #fff;
  border-radius: .4rem;
  transform: translateY(-150%);
}
.skip:focus { transform: translateY(0); }

.site-header {
  color: #fff;
  background:
    radial-gradient(circle at 84% 0, rgba(255, 255, 255, .13), transparent 25rem),
    linear-gradient(120deg, #0b2439, var(--navy-2));
  border-bottom: 4px solid var(--orange);
}

.header-inner {
  width: min(var(--max), calc(100% - 2rem));
  min-height: 112px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .85rem;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
}

.brand:hover { color: #fff; }

.brand-chip {
  display: grid;
  place-items: center;
  width: 3.2rem;
  height: 3.2rem;
  border-radius: .8rem .8rem .2rem .8rem;
  background: var(--orange);
  color: #fff;
  font-weight: 850;
  letter-spacing: -.04em;
  box-shadow: 0 .45rem 1.2rem rgba(0, 0, 0, .22);
}

.brand strong {
  display: block;
  font: 800 1.45rem/1.1 Georgia, "Times New Roman", serif;
  letter-spacing: .01em;
}

.brand small {
  display: block;
  margin-top: .18rem;
  color: #c7d8e7;
  font-size: .76rem;
  letter-spacing: .035em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .15rem;
}

nav a {
  padding: .55rem .68rem;
  border-radius: .35rem;
  color: #dbe9f4;
  font-size: .87rem;
  font-weight: 650;
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  color: #fff;
  background: rgba(255, 255, 255, .12);
}

main {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 18rem;
  gap: 2.25rem;
  align-items: start;
  margin: 3.4rem 0 4.5rem;
}

.article-header {
  grid-column: 1 / -1;
  max-width: 920px;
}

.kicker {
  margin: 0 0 .55rem;
  color: var(--orange);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--navy);
  line-height: 1.16;
  text-wrap: balance;
}

h1 {
  max-width: 960px;
  margin: 0;
  font-size: clamp(2.15rem, 5.2vw, 4.3rem);
  letter-spacing: -.035em;
}

.lead {
  max-width: 850px;
  margin: 1.15rem 0 0;
  color: #344454;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  line-height: 1.55;
}

.meta {
  margin: 1.15rem 0 0;
  color: var(--muted);
  font-size: .85rem;
}

.takeaway {
  grid-column: 2;
  position: sticky;
  top: 1.25rem;
  padding: 1.35rem;
  border: 1px solid #f0c4a9;
  border-top: 5px solid var(--orange);
  border-radius: .5rem;
  background: #fffaf7;
  box-shadow: 0 .85rem 2.2rem rgba(20, 43, 61, .08);
}

.takeaway h2 {
  margin: 0 0 .8rem;
  font-size: 1.2rem;
}

.takeaway .check-list {
  margin-bottom: 0;
  font-size: .91rem;
}

.article-body {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
  padding: 2.25rem clamp(1.2rem, 3.2vw, 3.2rem);
  border: 1px solid var(--line);
  border-radius: .65rem;
  background: var(--paper);
  box-shadow: 0 1.2rem 3rem rgba(20, 43, 61, .07);
}

.article-body section + section {
  margin-top: 3.1rem;
  padding-top: 2.8rem;
  border-top: 1px solid var(--line);
}

.article-body h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  letter-spacing: -.02em;
}

.article-body p { margin: .8rem 0 1.05rem; }

.check-list {
  display: grid;
  gap: .72rem;
  margin: 1rem 0 1.4rem;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.7rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: .02rem;
  color: var(--orange);
  font-weight: 900;
}

.table-scroll {
  overflow-x: auto;
  margin: 1.35rem 0 1.6rem;
  border: 1px solid var(--line);
  border-radius: .45rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
  font-size: .92rem;
}

th, td {
  padding: .85rem .9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: #fff;
  background: var(--navy);
  font-size: .8rem;
  letter-spacing: .035em;
}

tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background: #f7f9fa; }

.note {
  margin: 1.5rem 0;
  padding: 1.05rem 1.2rem;
  border-left: 4px solid var(--orange);
  background: var(--orange-soft);
}

.note strong { color: var(--navy); }
.note p { margin: .3rem 0 0; }

.formula {
  margin: 1.3rem 0;
  padding: 1.25rem;
  border-radius: .45rem;
  background: var(--navy);
  color: #fff;
}

.formula span {
  display: block;
  margin-bottom: .25rem;
  color: #9fc2d9;
  font-size: .8rem;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.formula strong { font-size: 1.12rem; }

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.topic {
  display: block;
  min-height: 10rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: .45rem;
  background: #f8fafb;
  color: var(--ink);
  text-decoration: none;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.topic:hover {
  transform: translateY(-2px);
  border-color: #e89566;
  box-shadow: 0 .65rem 1.5rem rgba(20, 43, 61, .1);
  color: var(--ink);
}

.topic span {
  display: block;
  color: var(--orange);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.topic strong {
  display: block;
  margin-top: .25rem;
  color: var(--navy);
  font: 700 1.25rem/1.2 Georgia, "Times New Roman", serif;
}

.topic p { margin: .55rem 0 0; color: var(--muted); font-size: .9rem; }

.link-list {
  display: grid;
  gap: .7rem;
}

.link-list a {
  display: grid;
  grid-template-columns: minmax(12rem, .8fr) 1.2fr;
  gap: 1rem;
  padding: .9rem 1rem;
  border: 1px solid var(--line);
  border-radius: .4rem;
  color: var(--ink);
  text-decoration: none;
}

.link-list a:hover { border-color: var(--orange); background: #fffaf7; }
.link-list strong { color: var(--navy); }
.link-list span { color: var(--muted); font-size: .9rem; }

.status-list {
  max-height: 42rem;
  overflow: auto;
  padding-right: .35rem;
}

details {
  margin: 1rem 0;
  border: 1px solid var(--line);
  border-radius: .45rem;
  background: #fbfcfd;
}

summary {
  padding: .9rem 1rem;
  color: var(--navy);
  font-weight: 750;
  cursor: pointer;
}

details[open] summary {
  border-bottom: 1px solid var(--line);
  background: #f2f6f8;
}

details .table-scroll { margin: 0; border: 0; border-radius: 0; }
code { overflow-wrap: anywhere; }

.more-link a {
  display: inline-block;
  font-weight: 750;
  text-decoration-thickness: 2px;
}

.sources {
  color: #44515e;
  font-size: .9rem;
}

.source-list { padding-left: 1.2rem; }
.source-list li + li { margin-top: .45rem; }

address {
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--navy);
  background: #f4f7f9;
  font-style: normal;
}

.archive-box {
  padding: 1.2rem;
  border: 1px solid #f0c4a9 !important;
  border-radius: .45rem;
  background: #fffaf7;
}

.site-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.2rem max(1rem, calc((100% - var(--max)) / 2));
  color: #d1dfeb;
  background: #0b2439;
  border-top: 4px solid var(--orange);
}

.site-footer strong {
  color: #fff;
  font: 700 1.2rem Georgia, "Times New Roman", serif;
}

.site-footer p { max-width: 38rem; margin: .45rem 0 0; font-size: .88rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: .8rem 1.2rem; }
.footer-nav a { color: #dbe9f4; font-size: .88rem; }

.error {
  max-width: 760px;
  margin: 12vh auto;
  padding: 2.5rem;
  border: 1px solid var(--line);
  border-radius: .6rem;
  background: #fff;
}

.error h1 { font-size: clamp(2rem, 6vw, 4rem); }
.button {
  display: inline-block;
  padding: .7rem 1rem;
  border-radius: .35rem;
  background: var(--navy);
  color: #fff;
  text-decoration: none;
}
.button:hover { color: #fff; background: var(--orange); }

@media (max-width: 900px) {
  .header-inner {
    padding: 1rem 0;
    flex-direction: column;
    align-items: flex-start;
  }
  nav { justify-content: flex-start; }
  article { grid-template-columns: 1fr; }
  .article-header, .takeaway, .article-body { grid-column: 1; }
  .takeaway { position: static; grid-row: 2; }
  .article-body { grid-row: 3; }
}

@media (max-width: 620px) {
  :root { line-height: 1.58; }
  main { width: min(100% - 1rem, var(--max)); }
  article { margin-top: 2rem; gap: 1.2rem; }
  .article-body { padding: 1.25rem 1rem; }
  .article-body section + section { margin-top: 2.2rem; padding-top: 2rem; }
  .table-scroll::before {
    content: "Tabelle seitlich wischen →";
    display: block;
    padding: .55rem .7rem;
    color: var(--muted);
    background: #eef3f6;
    font-size: .75rem;
    font-weight: 700;
  }
  .topic-grid { grid-template-columns: 1fr; }
  .link-list a { grid-template-columns: 1fr; gap: .2rem; }
  .site-footer { flex-direction: column; }
}

@media print {
  .site-header, .site-footer, .skip { display: none; }
  body { background: #fff; }
  main { width: 100%; }
  article { display: block; margin: 0; }
  .article-header, .takeaway, .article-body { box-shadow: none; }
  .takeaway { margin: 1rem 0; }
  .article-body { border: 0; padding: 0; }
  a { color: inherit; }
}