/* ElbTrawler 1095 – Stylesheet
 *
 * Farben (aus dem bisherigen Layout übernommen)
 *   #01416F  blau
 *   #6E98B0  blau (hell)
 *   #006474  grün
 *   #D9E5E1  türkis
 *   #EFF5F3  türkis (hell)
 *   #DF262D  rot
 */

:root {
  --blau: #01416F;
  --blau-hell: #6E98B0;
  --gruen: #006474;
  --tuerkis: #D9E5E1;
  --tuerkis-hell: #EFF5F3;
  --rot: #DF262D;
  --text: #333;
  --weiss: #fff;
  --schrift: "Trebuchet MS", "Segoe UI", Ubuntu, "Helvetica Neue", Arial, sans-serif;
  --seitenbreite: 62rem;
  --navbreite: 15rem;
}

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

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--schrift);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--weiss);
}

img { max-width: 100%; height: auto; border: 0; }

a { color: var(--blau); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
a:hover { color: var(--gruen); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--rot); outline-offset: 2px; }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--blau); color: var(--weiss); padding: 0.5rem 1rem; z-index: 10;
}
.skip:focus { left: 0; }

/* ---------- Seitenrahmen ---------- */

.seite { background: var(--weiss); }

.kopf { display: block; line-height: 0; }
.kopf img {
  display: block;
  width: 100%;
  height: max(72px, min(13.333vw, 128px));
  object-fit: cover;
  object-position: 45% 50%;
}

/* ---------- Navigation „Inhalt“ ---------- */

.nav { background: var(--tuerkis); }

.nav-knopf {
  display: flex; align-items: center; gap: 0.75rem;
  width: 100%; min-height: 3rem; padding: 0.6rem 1rem;
  border: 0; background: transparent; cursor: pointer;
  font: inherit; font-weight: bold; color: var(--blau); text-align: left;
}
.nav-knopf .aktuell { color: var(--rot); font-weight: normal; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-knopf .pfeil { margin-left: auto; flex: none; width: 0.7rem; height: 0.7rem; border-right: 2px solid var(--blau); border-bottom: 2px solid var(--blau); transform: rotate(45deg) translate(-2px, -2px); transition: transform 0.2s; }
.nav-knopf[aria-expanded="true"] .pfeil { transform: rotate(-135deg) translate(-2px, -2px); }

.nav h2 { display: none; }

.nav ul { list-style: none; margin: 0; padding: 0 0 0.5rem; }
html:not(.js) .nav-knopf { display: none; }
.js .nav ul:not(.offen) { display: none; }
.nav li { margin: 0; }
.nav a {
  display: block; padding: 0.65rem 1rem;
  font-weight: bold; color: var(--blau); text-decoration: none;
  border-top: 1px solid rgba(1, 65, 111, 0.12);
}
.nav a:hover { text-decoration: underline; color: var(--blau); }
.nav a[aria-current="page"] { color: var(--rot); }

/* ---------- Inhalt ---------- */

main { padding: 1.25rem 1rem 2.5rem; overflow-wrap: break-word; hyphens: auto; }
main > :first-child { margin-top: 0; }

h1, h2, h3 { color: var(--blau); line-height: 1.25; font-weight: bold; }
h1 { font-size: 1.75rem; margin: 0 0 1rem; }
h2 { font-size: 1.35rem; margin: 2rem 0 0.6rem; }
h3 { font-size: 1.1rem; margin: 1.5rem 0 0.4rem; }

p, ul, dl, figure { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
main p, main li { max-width: 42em; }

hr { border: 0; border-top: 2px solid var(--tuerkis); margin: 2rem 0; }

.einleitung { font-size: 1.15rem; color: var(--blau); }

figure { padding: 0; }
figcaption { font-size: 0.95rem; color: #555; margin-top: 0.35rem; }

/* Bildreihen (Vorschaubilder) */
.bilder {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(30%, 150px), 1fr));
  gap: 0.5rem;
  max-width: 40rem;
}
.bilder > figcaption { grid-column: 1 / -1; }
.bilder a, .bilder > img { display: block; }
.bilder img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.bilder.hoch img { aspect-ratio: 3 / 4; }

.galerie { max-width: none; grid-template-columns: repeat(auto-fill, minmax(min(30%, 160px), 1fr)); }

a.zoom { cursor: zoom-in; }

/* Steckbriefe (Alle ElbTrawler, Maße) */
.boot { padding: 1.25rem 0; border-top: 2px solid var(--tuerkis); }
.boot h3 { margin-top: 0; }
.boot figure { margin-bottom: 0.75rem; }
.boot p { margin: 0.5rem 0 0; }

.daten { display: grid; grid-template-columns: auto 1fr; gap: 0.15rem 1rem; max-width: 36rem; }
.daten dt { font-weight: bold; color: var(--blau); }
.daten dd { margin: 0; }

.logo-bootsbau { width: 68px; }

/* ---------- Fußbereich ---------- */

.fuss {
  background: var(--tuerkis-hell);
  border-top: 5px solid var(--tuerkis);
  color: var(--blau);
  padding: 1.25rem 1rem 1.5rem;
  font-size: 0.95rem;
}
.fuss-links { list-style: none; margin: 1rem 0 0; border-top: 1px solid var(--tuerkis); padding: 0.5rem 0 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; align-items: center; }
.fuss-links a { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.75rem; font-weight: bold; }
.fuss-links img { width: 28px; height: 28px; }
.fuss p { margin: 0 0 0.35rem; max-width: none; }
.fuss strong { display: block; margin-bottom: 0.35rem; }

/* ---------- Pfeil „Zum Seitenanfang“ ---------- */

.nach-oben {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 5;
  display: grid; place-items: center;
  width: 3rem; height: 3rem;
  border-radius: 50%;
  background: var(--blau);
  border: 2px solid var(--weiss);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: opacity 0.2s, visibility 0.2s;
}
.nach-oben:hover { background: var(--gruen); }
.nach-oben span {
  width: 0.8rem; height: 0.8rem;
  border-left: 3px solid var(--weiss); border-top: 3px solid var(--weiss);
  transform: translateY(0.2rem) rotate(45deg);
}
.js .nach-oben:not(.sichtbar) { opacity: 0; visibility: hidden; }
.fuss { padding-bottom: 5rem; }

/* ---------- Bildbetrachter ---------- */

.lightbox {
  border: 0; padding: 0; margin: 0;
  width: 100%; height: 100%; max-width: 100%; max-height: 100%;
  background: rgba(0, 20, 35, 0.94);
  color: var(--weiss);
}
.lightbox::backdrop { background: rgba(0, 20, 35, 0.94); }
.lightbox[open] { display: grid; grid-template-rows: 1fr auto; }
.lightbox figure { margin: 0; display: grid; place-items: center; min-height: 0; padding: 3.5rem 0.5rem 0.5rem; }
.lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lightbox .lb-leiste { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; padding: 0.5rem 0.75rem 1rem; }
.lightbox .lb-text { flex: 1; text-align: center; font-size: 0.95rem; }
.lightbox button {
  min-width: 3rem; min-height: 3rem; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, 0.14); color: var(--weiss);
  font: inherit; font-size: 1.5rem; line-height: 1; cursor: pointer;
}
.lightbox button:hover { background: rgba(255, 255, 255, 0.28); }
.lightbox .lb-zu { position: absolute; top: 0.5rem; right: 0.5rem; }
.lightbox [hidden] { visibility: hidden; }

/* ---------- Breitere Bildschirme ---------- */

@media (min-width: 48em) {
  body {
    background: var(--blau-hell) linear-gradient(to bottom, var(--blau) 0, var(--blau-hell) 600px) no-repeat fixed;
    padding: 1.25rem 1rem;
  }
  .seite {
    max-width: var(--seitenbreite);
    margin: 0 auto;
    border: 10px solid var(--weiss);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  }
  .rumpf {
    display: grid;
    grid-template-columns: var(--navbreite) 1fr;
    background: linear-gradient(to right, var(--weiss), var(--tuerkis) var(--navbreite), var(--weiss) var(--navbreite));
  }
  .nav { background: transparent; padding: 1.5rem 0 2rem; }
  .nav-knopf { display: none; }
  .js .nav ul:not(.offen) { display: block; }
  .nav h2 { display: block; font-size: 1.35rem; margin: 0 1rem 0.75rem 1.25rem; }
  .nav a { border: 0; padding: 0.4rem 1rem 0.4rem 1.25rem; line-height: 1.35; }
  main { padding: 1.5rem 2rem 3rem; min-width: 0; }
  h1 { font-size: 2rem; }
  .fuss { padding: 1.25rem 1.25rem 1.5rem; }
  .nach-oben { right: 1.5rem; bottom: 1.5rem; }
  .boot { display: grid; grid-template-columns: minmax(0, 300px) 1fr; gap: 0 1.5rem; align-items: start; }
  .boot h3 { grid-column: 1 / -1; }
  .boot figure { grid-row: span 2; margin: 0; }
  .boot p { grid-column: 2; }
}

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

@media print {
  body { background: none; font-size: 11pt; }
  .nav, .skip, .fuss-links, .lightbox, .nach-oben { display: none !important; }
  .seite { border: 0; box-shadow: none; }
  .rumpf { display: block; background: none; }
  a { color: inherit; text-decoration: none; }
}