/* ==========================================================
   Reisearchiv – Stylesheet
   Hell, reduziert, viel Weißraum. Farben und Schriften
   zentral als Variablen, an einer Stelle änderbar.
   ========================================================== */

:root {
  --papier:     #ffffff;   /* Seitenhintergrund */
  --tinte:      #101010;   /* Überschriften, Fließtext */
  --leise:      #6e6e6e;   /* Nebeninfos, Metazeilen */
  --linie:      #e8e8e8;   /* feine Trennlinien */
  --flaeche:    #f4f4f4;   /* Platzhalter hinter Bildern */
  --dunkel:     #0b0b0b;   /* Bildansicht */

  --schrift: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter,
             Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:    ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --rand: clamp(1.25rem, 6vw, 6rem);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--papier);
  color: var(--tinte);
  font-family: var(--schrift);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--tinte);
  outline-offset: 4px;
}

.huelle {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--rand);
}

/* ---------- Mikro-Typografie ---------- */

.meta {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--leise);
  margin: 0;
}

/* ---------- Kopfbereich ---------- */

.kopf {
  padding: clamp(4rem, 14vw, 10rem) 0 clamp(3rem, 8vw, 6rem);
}

.kopf h1 {
  font-weight: 600;
  font-size: clamp(2.75rem, 8vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 1.25rem 0 0;
}

.kopf .unterzeile {
  color: var(--leise);
  font-size: clamp(1rem, 2vw, 1.2rem);
  margin: 1.25rem 0 0;
  max-width: 44ch;
}

/* ---------- Reiseraster (Startseite) ---------- */

.raster-reisen {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 400px), 1fr));
  gap: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: clamp(5rem, 12vw, 9rem);
}

.reise {
  display: block;
  text-decoration: none;
}

.reise-bild {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--flaeche);
}

.reise-bild img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0, 0.1, 1);
}

.reise:hover .reise-bild img { transform: scale(1.03); }

.reise-kopf {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin: 1.1rem 0 0;
}

.reise-jahr {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--leise);
  flex: none;
}

.reise-titel {
  font-weight: 600;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
}

.reise-unter {
  color: var(--leise);
  font-size: 0.95rem;
  margin: 0.3rem 0 0;
}

.reise-zahlen {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--leise);
  margin: 0.55rem 0 0;
}

/* ---------- Detailseite ---------- */

.zurueck {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--leise);
  text-decoration: none;
  padding: clamp(2rem, 5vw, 3.5rem) 0 0;
}

.zurueck:hover { color: var(--tinte); }

.detail-kopf {
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.detail-kopf h1 {
  font-weight: 600;
  font-size: clamp(2.5rem, 7.5vw, 5.25rem);
  line-height: 1;
  letter-spacing: -0.035em;
  margin: 1rem 0 0;
}

.detail-kopf .unterzeile {
  color: var(--leise);
  margin: 1rem 0 0;
}

.abschnitt { padding-bottom: clamp(3.5rem, 9vw, 7rem); }

.abschnitt-titel {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--leise);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--linie);
  margin: 0 0 clamp(1.75rem, 4vw, 2.75rem);
}

.text-block {
  max-width: 60ch;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.video { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.video:last-child { margin-bottom: 0; }

.video-rahmen {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--dunkel);
}

.video-rahmen iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}

.video-titel {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--leise);
  margin: 0.9rem 0 0;
}

/* ---------- Bilderraster ---------- */

.raster {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 6px;
}

.kachel {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--flaeche);
  border: 0; padding: 0; margin: 0;
  cursor: pointer;
}

.kachel img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.kachel:hover img { opacity: 0.75; }

/* ---------- Bildansicht ---------- */

.lightbox {
  position: fixed; inset: 0;
  background: var(--dunkel);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.lightbox.auf { display: flex; }

.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
}

.lb-knopf {
  position: absolute;
  background: none;
  border: 0;
  color: #fff;
  opacity: 0.6;
  width: 3.5rem; height: 3.5rem;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: opacity 0.2s;
}
.lb-knopf:hover { opacity: 1; }

.lb-zu    { top: 1rem; right: 1rem; font-size: 1.3rem; }
.lb-vor   { right: 0.75rem; top: 50%; transform: translateY(-50%); }
.lb-rueck { left: 0.75rem;  top: 50%; transform: translateY(-50%); }

.lb-zaehler {
  position: absolute;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

/* ---------- Hinweis / leerer Zustand ---------- */

.hinweis {
  border-top: 1px solid var(--linie);
  padding-top: 2rem;
  color: var(--leise);
  max-width: 58ch;
  margin-bottom: 6rem;
}
.hinweis code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--tinte);
}

/* ---------- Fußzeile ---------- */

.fuss {
  border-top: 1px solid var(--linie);
  padding: 2rem 0 3.5rem;
}

.fuss p {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--leise);
  margin: 0;
}

/* ---------- Schmale Bildschirme ---------- */

@media (max-width: 640px) {
  .raster { grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .lb-vor, .lb-rueck { top: auto; bottom: 1rem; transform: none; }
  .lb-vor { right: 1.5rem; }
  .lb-rueck { left: 1.5rem; }
  .lb-zaehler { bottom: 2.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}