/* ==========================================================
   GGS An der Strunde – Stylesheet
   Farbkonzept: abgeleitet vom Schullogo (grüne Schultafel,
   weiße Kreideschrift) + bunte "Kreidefarben" als Akzente.
   ========================================================== */

/* ---------- Schriften (lokal, keine externen Anfragen) ---------- */
@font-face {
  font-family: "Nunito";
  src: url("../fonts/nunito-latin.woff2") format("woff2");
  font-weight: 200 1000;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Patrick Hand";
  src: url("../fonts/patrickhand-latin.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- Farb-Tokens ---------- */
:root {
  /* Tafelgrün aus dem Logo */
  --tafel: #61795e;          /* Logo: #788f75, etwas kräftiger für Lesbarkeit */
  --tafel-dunkel: #465a44;
  --tafel-tief: #2f3f2e;
  --tafel-hell: #e6ede4;
  --tafel-zart: #f1f5ef;

  /* Kreide & Papier */
  --kreide: #fbfaf4;
  --papier: #fffdf7;
  --text: #24301f;
  --text-leise: #56614f;
  --linie: #dfe6d8;

  /* Kreidefarben (Akzente) */
  --gelb: #f6c343;
  --gelb-hell: #fff4d1;
  --koralle: #e9714f;
  --koralle-hell: #fde6de;
  --blau: #3f95c8;
  --blau-hell: #e0f0fa;
  --lila: #8c6cc7;
  --lila-hell: #eee8f8;

  --radius: 18px;
  --radius-gross: 28px;
  --schatten: 0 2px 0 rgba(44, 63, 41, .08), 0 10px 24px -12px rgba(44, 63, 41, .25);
  --max: 1120px;
  --header-h: 76px;
}

/* ---------- Grundlagen ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  margin: 0;
  background: var(--papier);
  color: var(--text);
  font-family: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--tafel-dunkel); text-underline-offset: 3px; text-decoration-thickness: 2px; }
a:hover { color: var(--koralle); }

:focus-visible {
  outline: 3px solid var(--blau);
  outline-offset: 3px;
  border-radius: 6px;
}

h1, h2, h3 {
  font-family: "Patrick Hand", "Comic Sans MS", cursive;
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 .5em;
  color: var(--tafel-tief);
}
h3 { font-size: 1.6rem; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.2em; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px;
}
@media (min-width: 720px) { .container { padding: 0 28px; } }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--gelb); color: var(--text);
  padding: 10px 16px; border-radius: 10px; font-weight: 700;
}
.skip-link:focus { top: 12px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Kopfbereich ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--tafel);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(255,255,255,.08), transparent 60%),
    radial-gradient(ellipse at 90% 100%, rgba(0,0,0,.12), transparent 60%);
  border-bottom: 6px solid #8a6a46; /* Holzleiste der Tafel */
  box-shadow: 0 4px 14px -6px rgba(0,0,0,.35);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h); gap: 12px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--kreide); text-decoration: none;
}
.brand img {
  width: 56px; height: 56px; border-radius: 12px;
  box-shadow: 0 0 0 2px rgba(255,255,255,.35);
}
.brand-text {
  font-family: "Patrick Hand", cursive;
  font-size: 1.35rem; line-height: 1.05;
}
.brand-text small { display: block; font-size: .95rem; opacity: .85; }
.brand:hover { color: #fff; }

.nav-toggle {
  display: none;
  background: transparent; color: var(--kreide);
  border: 2px solid rgba(255,255,255,.55); border-radius: 12px;
  font: 700 1rem "Nunito", sans-serif;
  padding: 8px 12px; cursor: pointer;
  align-items: center; gap: 8px;
}
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after {
  display: block; width: 20px; height: 2.5px; border-radius: 2px;
  background: currentColor; position: relative; transition: transform .2s;
}
.nav-toggle .bars::before, .nav-toggle .bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle .bars::before { top: -6px; }
.nav-toggle .bars::after { top: 6px; }
.nav-open .nav-toggle .bars { background: transparent; }
.nav-open .nav-toggle .bars::before { transform: translateY(6px) rotate(45deg); }
.nav-open .nav-toggle .bars::after { transform: translateY(-6px) rotate(-45deg); }

.main-nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 4px;
}
.main-nav a {
  display: block; padding: 8px 12px; border-radius: 999px;
  color: var(--kreide); text-decoration: none; font-weight: 700; font-size: .98rem;
  transition: background .15s, color .15s;
}
.main-nav a:hover, .main-nav a[aria-current="page"], .main-nav a.active {
  background: var(--kreide); color: var(--tafel-dunkel);
}
.main-nav a.nav-fv {
  background: var(--gelb); color: var(--tafel-tief);
}
.main-nav a.nav-fv:hover, .main-nav a.nav-fv[aria-current="page"] { background: #fff; }

/* Mobile Navigation */
@media (max-width: 1023px) {
  .js .nav-toggle { display: inline-flex; }
  .js .main-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--tafel-dunkel);
    max-height: 0; overflow: hidden;
    transition: max-height .25s ease;
  }
  .js .nav-open .main-nav { max-height: 80vh; overflow-y: auto; border-bottom: 6px solid #8a6a46; }
  .main-nav ul { flex-direction: column; padding: 8px 16px 16px; gap: 2px; }
  .js .main-nav a { padding: 12px 16px; font-size: 1.1rem; border-radius: 12px; }
  /* ohne JavaScript: Navigation unter dem Logo anzeigen */
  html:not(.js) .header-inner { flex-wrap: wrap; padding: 8px 0; }
  html:not(.js) .main-nav ul { flex-direction: row; padding: 0; }
}

/* ---------- Hero (Schultafel) ---------- */
.hero { padding: 28px 0 8px; }
.tafel {
  position: relative;
  background: var(--tafel);
  background-image:
    radial-gradient(ellipse at 15% 20%, rgba(255,255,255,.10), transparent 55%),
    radial-gradient(ellipse at 85% 80%, rgba(0,0,0,.18), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 34px);
  color: var(--kreide);
  border: 10px solid #8a6a46;
  border-radius: var(--radius-gross);
  box-shadow: inset 0 0 40px rgba(0,0,0,.25), var(--schatten);
  padding: 28px 20px 30px;
  overflow: hidden;
}
.tafel h1 {
  color: var(--kreide);
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  margin-bottom: .3em;
  text-shadow: 0 0 1px rgba(255,255,255,.4);
}
.tafel h1 .bunt-1 { color: var(--gelb); }
.tafel h1 .bunt-2 { color: #ffb4a0; }
.tafel h1 .bunt-3 { color: #a9dcfa; }
.tafel p { font-size: 1.12rem; max-width: 36em; opacity: .95; }
.hero-grid { display: grid; gap: 24px; align-items: center; }
.hero-logo {
  display: none;
  width: 150px; justify-self: center;
  border-radius: 20px; transform: rotate(-3deg);
  box-shadow: 0 0 0 3px rgba(255,255,255,.4), 0 10px 20px rgba(0,0,0,.3);
}
@media (min-width: 760px) {
  .tafel { padding: 44px 48px; }
  .hero-grid { grid-template-columns: 1fr auto; }
  .hero-logo { display: block; width: 200px; }
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.kreide-strich {
  position: absolute; bottom: 10px; right: 26px;
  display: flex; gap: 8px; opacity: .9;
}
.kreide-strich span {
  display: block; width: 34px; height: 9px; border-radius: 4px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 999px;
  font-weight: 800; text-decoration: none; line-height: 1.2;
  background: var(--gelb); color: var(--tafel-tief);
  box-shadow: 0 3px 0 rgba(0,0,0,.2);
  transition: transform .12s, box-shadow .12s;
}
.btn:hover { color: var(--tafel-tief); transform: translateY(-2px); box-shadow: 0 5px 0 rgba(0,0,0,.2); }
.btn-hell { background: var(--kreide); }
.btn-gruen { background: var(--tafel); color: var(--kreide); }
.btn-gruen:hover { color: #fff; }

/* ---------- Sektionen ---------- */
.section { padding: 56px 0; }
.section-alt { background: var(--tafel-zart); border-block: 1px solid var(--linie); }

.section-head { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.section-head h2 {
  font-size: clamp(2.2rem, 6vw, 3rem); margin: 0;
  background: no-repeat left bottom / 100% 10px
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 10' preserveAspectRatio='none'%3E%3Cpath d='M2 6 Q 15 1 30 5 T 60 5 T 90 5 T 118 4' fill='none' stroke='%23f6c343' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E");
  padding-bottom: 6px;
}
.section-intro { font-size: 1.15rem; color: var(--text-leise); max-width: 44em; margin-top: -10px; margin-bottom: 28px; }

.icon-bubble {
  flex: none; display: grid; place-items: center;
  width: 54px; height: 54px; border-radius: 50%;
  font-size: 1.7rem; line-height: 1;
  background: var(--gelb-hell);
  box-shadow: inset 0 0 0 3px var(--gelb);
}
.icon-bubble.koralle { background: var(--koralle-hell); box-shadow: inset 0 0 0 3px var(--koralle); }
.icon-bubble.blau { background: var(--blau-hell); box-shadow: inset 0 0 0 3px var(--blau); }
.icon-bubble.lila { background: var(--lila-hell); box-shadow: inset 0 0 0 3px var(--lila); }
.icon-bubble.gruen { background: var(--tafel-hell); box-shadow: inset 0 0 0 3px var(--tafel); }

/* ---------- Karten ---------- */
.grid { display: grid; gap: 18px; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: #fff;
  border: 2px solid var(--linie);
  border-top: 8px solid var(--tafel);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
  box-shadow: var(--schatten);
}
.card > :last-child { margin-bottom: 0; }
.card h3 { margin-bottom: .35em; }
.card.gelb { border-top-color: var(--gelb); }
.card.koralle { border-top-color: var(--koralle); }
.card.blau { border-top-color: var(--blau); }
.card.lila { border-top-color: var(--lila); }
.card .meta { font-size: .9rem; font-weight: 700; color: var(--text-leise); margin-bottom: .4em; text-transform: uppercase; letter-spacing: .04em; }

/* ---------- Hervorgehobene Info (Aktuelles) ---------- */
.highlight {
  position: relative;
  background: var(--gelb-hell);
  border: 3px dashed var(--gelb);
  border-radius: var(--radius-gross);
  padding: 30px 22px 24px;
  margin-bottom: 26px;
  box-shadow: var(--schatten);
}
.highlight::before {
  content: "📌"; position: absolute; top: -20px; left: 22px; font-size: 2rem;
  transform: rotate(-12deg);
}
.highlight .badge {
  display: inline-block; background: var(--koralle); color: #fff;
  font-weight: 800; font-size: .85rem; letter-spacing: .06em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px; margin-bottom: 10px;
}
.highlight h3 { font-size: clamp(1.8rem, 5vw, 2.5rem); margin-bottom: .25em; }
.highlight .datum {
  display: inline-block;
  font-weight: 800; font-size: 1.2rem; color: var(--tafel-tief);
  background: #fff; border-radius: 14px; padding: 8px 14px; margin: 6px 0 14px;
}
.highlight p:last-child { margin-bottom: 0; }
@media (min-width: 760px) { .highlight { padding: 36px 40px 30px; } }

/* ---------- Listen & Chips ---------- */
.check-list { list-style: none; padding: 0; }
.check-list li { position: relative; padding-left: 32px; margin-bottom: .5em; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: .05em;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--tafel); color: #fff; font-weight: 800; font-size: .8rem;
  display: grid; place-items: center;
}

.termine { list-style: none; padding: 0; margin: 0 0 1em; }
.termine li {
  display: flex; gap: 12px; align-items: baseline;
  padding: 8px 0; border-bottom: 2px dotted var(--linie);
}
.termine li:last-child { border-bottom: 0; }
.termine .tag {
  flex: none; min-width: 6.4em;
  font-weight: 800; color: var(--tafel-dunkel);
}

.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; margin: 0 0 1em; }
.chips li {
  background: #fff; border: 2px solid var(--linie);
  border-radius: 999px; padding: 7px 15px; font-weight: 700; font-size: .98rem;
}
.chips.gelb li { background: var(--gelb-hell); border-color: #f1d98a; }
.chips.koralle li { background: var(--koralle-hell); border-color: #f5bba8; }
.chips.blau li { background: var(--blau-hell); border-color: #a9d3ec; }

/* ---------- Leitsätze ---------- */
.regeln { display: grid; gap: 14px; counter-reset: regel; list-style: none; padding: 0; margin: 0; }
@media (min-width: 760px) { .regeln { grid-template-columns: repeat(3, 1fr); } }
.regeln li {
  counter-increment: regel;
  background: var(--tafel); color: var(--kreide);
  border-radius: var(--radius); padding: 20px 20px 18px 20px;
  font-family: "Patrick Hand", cursive; font-size: 1.4rem; line-height: 1.25;
  box-shadow: var(--schatten);
}
.regeln li::before {
  content: counter(regel); display: grid; place-items: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--gelb); color: var(--tafel-tief);
  font-family: "Nunito", sans-serif; font-weight: 800; font-size: 1.1rem;
  margin-bottom: 10px;
}
.regeln li:nth-child(2)::before { background: #ffb4a0; }
.regeln li:nth-child(3)::before { background: #a9dcfa; }

.zitat {
  margin: 26px 0 0; padding: 16px 20px; border-left: 6px solid var(--lila);
  background: var(--lila-hell); border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
}
.zitat footer { font-style: normal; font-weight: 700; margin-top: 6px; color: var(--text-leise); }

/* ---------- Zahlen ---------- */
.zahlen { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 30px 0 22px; }
.zahl {
  text-align: center; background: #fff; border-radius: var(--radius);
  border: 2px solid var(--linie); padding: 16px 8px; box-shadow: var(--schatten);
}
.zahl strong {
  display: block; font-family: "Patrick Hand", cursive; font-weight: 400;
  font-size: clamp(2.2rem, 8vw, 3.2rem); line-height: 1; color: var(--koralle);
}
.zahl:nth-child(2) strong { color: var(--blau); }
.zahl:nth-child(3) strong { color: var(--lila); }
.zahl span { font-weight: 700; font-size: .95rem; color: var(--text-leise); }

/* ---------- Tagesablauf ---------- */
.ablauf { list-style: none; padding: 0; margin: 0; position: relative; }
.ablauf::before {
  content: ""; position: absolute; left: 31px; top: 10px; bottom: 10px;
  border-left: 3px dashed var(--linie);
}
.ablauf li { position: relative; display: flex; gap: 14px; align-items: flex-start; padding: 6px 0 12px; }
.ablauf time {
  flex: none; position: relative; z-index: 1;
  width: 64px; text-align: center;
  background: var(--tafel); color: var(--kreide);
  font-weight: 800; font-size: .92rem; border-radius: 10px; padding: 4px 0;
}
.ablauf li:nth-child(2) time { background: var(--blau); }
.ablauf li:nth-child(3) time { background: var(--koralle); }
.ablauf li:nth-child(4) time { background: var(--lila); }

/* ---------- Downloads ---------- */
.downloads { display: grid; gap: 18px; }
@media (min-width: 860px) { .downloads { grid-template-columns: repeat(2, 1fr); } }
.doc-list { list-style: none; padding: 0; margin: 0; }
.doc-list li + li { border-top: 2px dotted var(--linie); }
.doc-list a {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 6px; margin: 0 -6px; border-radius: 12px;
  text-decoration: none; color: var(--text);
  transition: background .15s;
}
.doc-list a:hover { background: var(--tafel-zart); color: var(--text); }
.doc-list a:hover strong { color: var(--koralle); }
.doc-list strong { display: block; color: var(--tafel-dunkel); line-height: 1.3; }
.doc-list small { display: block; color: var(--text-leise); font-size: .9rem; line-height: 1.4; }
.pdf {
  flex: none; display: grid; place-items: center;
  width: 40px; height: 48px; border-radius: 6px 14px 6px 6px;
  background: var(--koralle); color: #fff; font-weight: 800; font-size: .72rem;
}
.card.blau .pdf { background: var(--blau); }
.card.gelb .pdf { background: #d9a21b; }
.card:not(.blau):not(.gelb):not(.koralle) .pdf { background: var(--tafel); }

/* ---------- Kleine Fotos ---------- */
.foto-klein {
  float: right; width: 96px; margin: 0 0 10px 14px;
  border: 5px solid #fff; border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,.18);
  transform: rotate(3deg);
}
.card::after { content: ""; display: table; clear: both; }

/* ---------- Video (Zwei-Klick-Lösung) ---------- */
.video-box { margin: 0 0 22px; }
.video {
  position: relative; aspect-ratio: 16 / 9; width: 100%; max-width: 820px; margin: 0 auto;
  border: 10px solid #8a6a46; border-radius: var(--radius-gross); overflow: hidden;
  background: var(--tafel);
  background-image: radial-gradient(ellipse at 30% 20%, rgba(255,255,255,.12), transparent 60%);
  box-shadow: var(--schatten);
}
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-platzhalter {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; padding: 16px;
  color: var(--kreide);
}
.video-titel { font-family: "Patrick Hand", cursive; font-size: clamp(1.6rem, 5vw, 2.4rem); margin-bottom: .4em; }
.video-hinweis { font-size: .85rem; max-width: 34em; margin: 12px 0 0; opacity: .9; }
.video-hinweis a { color: #fff; }
@media (max-width: 480px) { .video-hinweis { font-size: .75rem; } .video:not(.geladen) { aspect-ratio: 4 / 3; } }

/* ---------- Kontakt ---------- */
.kontakt-grid { display: grid; gap: 18px; }
@media (min-width: 860px) { .kontakt-grid { grid-template-columns: 1.1fr 1fr; } }
.kontakt-liste { list-style: none; padding: 0; margin: 0; }
.kontakt-liste li { display: flex; gap: 12px; padding: 10px 0; border-bottom: 2px dotted var(--linie); }
.kontakt-liste li:last-child { border-bottom: 0; }
.kontakt-liste .ico { flex: none; width: 28px; text-align: center; font-size: 1.2rem; }
.kontakt-liste a { font-weight: 700; word-break: break-word; }

.badge-sor { max-width: 300px; border-radius: 10px; margin-top: 8px; }
.card-sor { display: grid; gap: 18px; align-items: center; }
.card-sor::after { display: none; }
.card-sor .badge-sor { margin: 0 auto; width: 100%; }
@media (min-width: 760px) { .card-sor { grid-template-columns: 1fr 300px; } }

/* ---------- Unterseiten ---------- */
.page-hero { padding: 28px 0 0; }
.page-hero .tafel { padding: 28px 22px; }
.page-hero .tafel h1 { margin: 0 0 .3em; }
.page-hero .tafel h1:last-child { margin: 0; }
@media (min-width: 760px) { .page-hero .tafel { padding: 36px 48px; } }

.prose { max-width: 50em; }
.prose h2 { font-size: 2rem; margin-top: 1.4em; }
.prose h3 { font-size: 1.5rem; margin-top: 1.2em; }
.prose h2:first-child { margin-top: 0; }

.bank {
  background: var(--tafel); color: var(--kreide);
  border-radius: var(--radius); padding: 20px 22px; margin: 0 0 1em;
  font-size: 1.05rem;
}
.bank strong { color: var(--gelb); }
.bank code { font-family: inherit; font-weight: 800; letter-spacing: .03em; word-break: break-word; }

.personen { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); list-style: none; padding: 0; }
.personen li { background: #fff; border: 2px solid var(--linie); border-radius: var(--radius); padding: 14px 18px; }
.personen span { display: block; font-size: .85rem; font-weight: 800; color: var(--text-leise); text-transform: uppercase; letter-spacing: .04em; }

/* ---------- Fußbereich ---------- */
.site-footer {
  background: var(--tafel-tief); color: #dfe8da;
  padding: 40px 0 28px; margin-top: 20px;
  border-top: 6px solid #8a6a46;
}
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--gelb); }
.footer-grid { display: grid; gap: 24px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: auto 1fr auto; align-items: start; } }
.footer-brand { display: flex; gap: 14px; align-items: center; }
.footer-brand img { width: 64px; height: 64px; border-radius: 12px; }
.footer-brand strong { font-family: "Patrick Hand", cursive; font-weight: 400; font-size: 1.4rem; color: #fff; display: block; line-height: 1.1; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-links a { font-weight: 700; }
.footer-bottom { margin-top: 26px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.15); font-size: .9rem; opacity: .8; }

.nach-oben {
  position: fixed; right: 16px; bottom: 16px; z-index: 40;
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--gelb); color: var(--tafel-tief); text-decoration: none;
  font-size: 1.4rem; font-weight: 800; box-shadow: var(--schatten);
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.nach-oben.sichtbar { opacity: 1; pointer-events: auto; }