/* ==========================================================================
   Entwurf 5 - Struktur vor Effekt, Sprungnavigation, hohe Lesbarkeit.
   Layout unabhaengig vom Brandkit. Schrift, Farbe und Radius kommen
   aus kits.css und palettes.css und sind ueber das Menue wechselbar.
   ========================================================================== */
:root {
  --maxw: 1200px;
  --takt: clamp(3.5rem, 6vw, 5rem);
}
.js-reveal [data-reveal] { opacity: 0; }
.js-reveal [data-reveal].ist-sichtbar { opacity: 1; transition: opacity .4s ease; }

/* --- Kopf mit Servicezeile ------------------------------------------------ */
.servicezeile { background: var(--inverse); color: var(--on-inverse); font-size: .875rem; }
.servicezeile .wrap { display: flex; flex-wrap: wrap; gap: .5rem 1.75rem; justify-content: space-between; padding-block: .55rem; }
.servicezeile a { color: var(--on-inverse); text-decoration: underline; text-underline-offset: 3px; }
.kopf { border-bottom: 2px solid var(--border); background: var(--bg); position: sticky; top: 0; z-index: 50; }
.kopf__reihe { display: flex; align-items: center; gap: 2rem; height: 76px; }
.hauptnav { margin-inline-start: auto; }
.hauptnav ul { display: flex; gap: 1.6rem; }
.hauptnav a { text-decoration: none; font-size: 1rem; font-weight: 600; color: var(--text); white-space: nowrap; padding-block: .3rem; border-bottom: 2px solid transparent; }
.hauptnav a:hover { border-bottom-color: var(--accent); color: var(--accent-text); }
@media (max-width: 1040px) { .hauptnav ul { gap: 1.1rem; } .hauptnav a { font-size: .9375rem; } }
@media (max-width: 900px) { .hauptnav { display: none; } }

.knopf {
  display: inline-flex; align-items: center; gap: .5rem; justify-content: center;
  padding: .85rem 1.5rem; border-radius: var(--r); border: 2px solid transparent;
  font-weight: 700; font-size: 1rem; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color .15s ease, border-color .15s ease;
}
.knopf--voll { background: var(--accent); color: var(--on-accent); }
.knopf--voll:hover { background: var(--accent-hover); }
.knopf--linie { background: transparent; color: var(--accent-text); border-color: var(--accent); }
.knopf--linie:hover { background: var(--accent-soft); }
.knopf--klein { padding: .5rem 1rem; font-size: .9375rem; }

/* --- Einleitung ---------------------------------------------------------- */
.einleitung { padding-block: clamp(2.5rem, 5vw, 4rem) clamp(2rem, 4vw, 3rem); border-bottom: 2px solid var(--border); }
.einleitung__raster { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.augenbraue { display: inline-block; font-family: var(--font-mono); font-size: .8125rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent-text); padding-bottom: 1rem; }
.einleitung h1 { font-size: clamp(2.1rem, 4.2vw, 3.1rem); font-weight: 700; margin-bottom: 1.25rem; max-width: 22ch; }
.einleitung__text { font-size: 1.1875rem; color: var(--text-muted); max-width: 56ch; margin-bottom: 1.9rem; }
.einleitung__aktionen { display: flex; flex-wrap: wrap; gap: .8rem; }
.merkkasten { background: var(--accent-soft); border: 2px solid var(--accent); border-radius: var(--r); padding: 1.5rem; }
.merkkasten h2 { font-size: 1.125rem; font-weight: 700; margin-bottom: .8rem; }
.merkkasten dl { display: grid; gap: .8rem; font-size: .9375rem; }
.merkkasten dt { font-weight: 700; }
.merkkasten dd { margin: 0; color: var(--text-muted); }
.merkkasten .mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
@media (max-width: 900px) { .einleitung__raster { grid-template-columns: 1fr; } }

/* --- Zweispalter mit Inhaltsverzeichnis ---------------------------------- */
.doppel { display: grid; grid-template-columns: 250px 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; padding-block: var(--takt); }
.inhaltsverzeichnis { position: sticky; top: 100px; }
.inhaltsverzeichnis h2 { font-family: var(--font-mono); font-size: .8125rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); margin-bottom: 1rem; font-weight: 500; }
.inhaltsverzeichnis ol { counter-reset: iv; border-inline-start: 2px solid var(--border); }
.inhaltsverzeichnis li { counter-increment: iv; }
.inhaltsverzeichnis a { display: block; padding: .55rem 0 .55rem 1rem; margin-inline-start: -2px; border-inline-start: 2px solid transparent; text-decoration: none; font-size: .9375rem; color: var(--text-muted); }
.inhaltsverzeichnis a::before { content: counter(iv, decimal-leading-zero) "  "; font-family: var(--font-mono); font-size: .75rem; color: var(--accent-text); }
.inhaltsverzeichnis a:hover, .inhaltsverzeichnis a[aria-current="true"] { color: var(--accent-text); border-inline-start-color: var(--accent); font-weight: 600; }
@media (max-width: 900px) { .doppel { grid-template-columns: 1fr; } .inhaltsverzeichnis { position: static; } .inhaltsverzeichnis ol { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; border: 0; } .inhaltsverzeichnis a { padding: .3rem 0; border: 0; } }

.kapitel { padding-bottom: clamp(2.75rem, 5vw, 4rem); scroll-margin-top: 110px; }
.kapitel:last-child { padding-bottom: 0; }
.kapitel > h2 { font-size: clamp(1.6rem, 2.8vw, 2.1rem); font-weight: 700; margin-bottom: 1rem; }
.kapitel > p { max-width: 68ch; margin-bottom: 1.5rem; color: var(--text-muted); }
.kapitel > p strong { color: var(--text); }

/* --- Datentabelle -------------------------------------------------------- */
.datentabelle { width: 100%; border-collapse: collapse; font-size: 1rem; margin-bottom: 1rem; }
.datentabelle caption { text-align: left; font-size: .875rem; color: var(--text-muted); padding-bottom: .75rem; }
.datentabelle th { text-align: left; padding: .75rem 1rem .75rem 0; border-bottom: 2px solid var(--text); font-size: .875rem; font-weight: 700; }
.datentabelle td { padding: .85rem 1rem .85rem 0; border-bottom: 1px solid var(--border); }
.datentabelle td.zahl { font-family: var(--font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.datentabelle tbody tr:hover { background: var(--accent-soft); }
@media (max-width: 640px) {
  .datentabelle thead { display: none; }
  .datentabelle tr { display: block; padding: .8rem 0; border-bottom: 1px solid var(--border); }
  .datentabelle td { display: block; border: 0; padding: .1rem 0; }
  .datentabelle td::before { content: attr(data-titel) ": "; font-weight: 700; }
}

/* --- Definitionsliste als Faktenblock ------------------------------------ */
.fakten { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; margin-bottom: 1.5rem; }
.fakten > div { background: var(--surface); padding: 1.25rem 1.4rem; }
.fakten dt { font-size: .875rem; color: var(--text-muted); margin-bottom: .3rem; }
.fakten dd { margin: 0; font-weight: 700; font-size: 1.0625rem; }
@media (max-width: 560px) { .fakten { grid-template-columns: 1fr; } }

/* --- Hinweiskasten ------------------------------------------------------- */
.hinweis { border-inline-start: 4px solid var(--accent); background: var(--bg-alt); padding: 1.25rem 1.5rem; border-radius: 0 var(--r) var(--r) 0; margin-bottom: 1.5rem; }
.hinweis h3 { font-size: 1rem; font-weight: 700; margin-bottom: .4rem; }
.hinweis p { font-size: .9375rem; color: var(--text-muted); max-width: 66ch; }

/* --- Aufzaehlung mit Haken ----------------------------------------------- */
.hakenliste { display: grid; gap: .75rem; margin-bottom: 1.5rem; }
.hakenliste li { display: grid; grid-template-columns: 22px 1fr; gap: .75rem; align-items: start; }
.hakenliste svg { width: 22px; height: 22px; fill: var(--accent); margin-top: 3px; }

/* --- Abschlussband ------------------------------------------------------- */
.abschlussband { background: var(--inverse); color: var(--on-inverse); padding-block: clamp(2.5rem, 5vw, 4rem); }
.abschlussband__raster { display: grid; grid-template-columns: 1fr auto; gap: 2.5rem; align-items: center; }
.abschlussband h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); font-weight: 700; margin-bottom: .7rem; }
.abschlussband p { color: var(--on-inverse-muted); max-width: 54ch; }
.abschlussband .knopf--linie { color: var(--on-inverse); border-color: var(--on-inverse); }
.abschlussband .knopf--linie:hover { background: var(--on-inverse); color: var(--inverse); }
@media (max-width: 760px) { .abschlussband__raster { grid-template-columns: 1fr; } }

/* --- Fuss ---------------------------------------------------------------- */
.fuss { padding-block: 3rem 2.25rem; font-size: 1rem; border-top: 2px solid var(--border); }
.fuss__raster { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2.5rem; }
.fuss h3 { font-size: .875rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 1rem; font-family: var(--font-body); font-weight: 700; }
.fuss li { margin-bottom: .55rem; }
.fuss a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.fuss a:hover { color: var(--accent-text); }
.fuss__zertifikat { font-size: .9375rem; color: var(--text-muted); line-height: 1.6; max-width: 46ch; margin-top: 1rem; }
.fuss__unten { margin-top: 2.75rem; padding-top: 1.25rem; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; font-size: .875rem; color: var(--text-muted); }
@media (max-width: 860px) { .fuss__raster { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .fuss__raster { grid-template-columns: 1fr; } }