/* ── Reset ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Basis ─────────────────────────────────────────── */
html, body {
  background: #faf8f7;
}
html {
  hyphens: auto;
  font-size: 18px;
  color-scheme: light;
  background: #faf8f7;
}
body {
  color: #000000;
  line-height: 1.25;
  font-size: 0.9rem;
  min-height: 100vh;
  overflow-x: hidden;
  will-change: opacity;
  font-family: Arial, Helvetica, sans-serif;
}

/* ── Seitenraster ─────────────────────────────────────── */
.site {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 1fr;
}

/* ── Navigation ──────────────────────────────────────── */
nav {
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  width: 15rem;
  height: 100vh;
  position: fixed;
  overflow-y: auto;
  contain: layout paint;
  flex-direction: column;
  background: #ded9d3;
  justify-content: space-between;
  padding: 3rem 3rem 2rem 3rem;
}
.nav-name {
  hyphens: none;
  font-size: 1.6rem;
  padding-right: 2rem;
  padding-bottom: 2rem;
}
.nav-links {
  flex: 1;
  display: flex;
  list-style: none;
  flex-direction: column;
}
.nav-links a {
  display: block;
  color: #000000;
  position: relative;
  transition: color 1s;
  padding: 0.25rem 0;
  text-decoration: none;
}
.nav-links a::after {
  left: 0;
  bottom: 0;
  content: "";
  width: 100%;
  height: 0.09rem;
  position: absolute;
  transform-origin: left;
  transform: scaleX(0);
  background: #ee0000;
  transition: transform 1s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* ── Hamburger (nur mobile) ──────────────────────────────── */
.hamburger {
  background: none;
  padding: 0.8rem;
  cursor: pointer;
  position: fixed;
  display: none;
  border: none;
  right: 0.7rem;
  top: 0.7rem;
  z-index: 20;
}
.hamburger span {
  width: 30px;
  height: 2px;
  margin: 7px 0;
  display: block;
  background: #000000;
  transition: transform 0.5s, opacity 0.5s;
}
body.nav-open .hamburger span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
body.nav-open .hamburger span:nth-child(2) {
  opacity: 0;
}
body.nav-open .hamburger span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ── Fade-In ──────────────────────────────────────────── */
@keyframes fadein {
  from {opacity: 0;}
  to {opacity: 1;}
}

/* ── Fade-Out ─────────────────────────────────────────── */
@keyframes fadeout {
  from {opacity: 1;}
  to {opacity: 0;}
}

/* ── Hauptbereich ─────────────────────────────────────── */
main {
  top: 0;
  opacity: 0;
  margin-left: 15rem;
  will-change: opacity;
  padding: 3rem 3rem 2rem 3rem;
  animation: fadein 1.25s ease 0.25s forwards;
}

/* ── Ausblendung beim Seitenwechsel ────────────────────────── */
main.fade-out {
  animation: fadeout 0.25s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

/* ── Intro ──────────────────────────────────────────── */
.intro {
  text-align: justify;
}

/* ── Texte: Bücher ────────────────────────────────────── */
.books {
  display: flex;
  margin-bottom: 1rem;
}
.book-year {
  display: inline-block;
  padding-left: 60px;
  text-indent: -60px;
  color: #9e9993;
}
.book a {
  color: #000000;
  position: relative;
  margin-left: 1rem;
  text-decoration: none;
}
.book a::after {
  left: 0;
  content: "";
  width: 100%;
  height: 0.09rem;
  bottom: -0.15rem;
  position: absolute;
  transform-origin: left;
  transform: scaleX(0);
  background: #ee0000;
  transition: transform 1s ease;
}
.book a:hover::after {
  transform: scaleX(1);
}

/* ── Texte: Aufsätze ───────────────────────────────────── */
.decade {
  margin-bottom: 1rem;
}
.decade-label {
  color: #9e9993;
  font-size: 0.7rem;
  margin-bottom: 0.9rem;
  text-transform: uppercase;
}
.entries {
  list-style: none;
}
.entries li {
  gap: 0.8rem;
  display: flex;
  align-items: baseline;
}
.entries li:last-child {
  border-bottom: none;
}
.entry-year {
  flex-shrink: 0;
  color: #9e9993;
  min-width: 2.5rem;
}
.entry-title a {
  color: #000000;
  position: relative;
  text-decoration: none;
}
.entry-title a::after {
  left: 0;
  content: "";
  width: 100%;
  height: 0.09rem;
  bottom: -0.15rem;
  position: absolute;
  transform-origin: left;
  transform: scaleX(0);
  background: #ee0000;
  transition: transform 1s ease;
}
.entry-title a:hover::after {
  transform: scaleX(1);
}

/* ── Texte: Meta-Link ──────────────────────────────────── */
.meta-link {
  margin-top: 1rem;
}
.meta-link a {
  color: #000000;
  position: relative;
  text-decoration: none;
}
.meta-link a::after {
  left: 0;
  content: "";
  width: 100%;
  height: 0.09rem;
  bottom: -0.15rem;
  position: absolute;
  transform-origin: left;
  transform: scaleX(0);
  background: #ee0000;
  transition: transform 1s ease;
}
.meta-link a:hover::after {
  transform: scaleX(1);
}

/* ── Abstracts ────────────────────────────────────────── */
.abstracts-text {
  text-align: justify;
  font-size: 0.8rem;
}
.abstracts-text p strong {
    display: block;
    margin-bottom: 0.3rem; 
}
p.abstracts {
    margin-top: 1.5rem;
}
p.kein-abstand {
    margin-top: 0;
}

/* ── Bildergalerie ─────────────────────────────────────── */
.gallery {
  columns: 3;
  column-gap: 0.6rem;
}
.gallery-item {
  display: block;
  position: relative;
  break-inside: avoid;
  margin-bottom: 0.6rem;
}
.gallery-item img {
  height: auto;
  width: 100%;
  display: block;
  transition: opacity 0.25s;
}
.gallery-item figcaption {
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  color: #000000;
  font-size: 0.7rem;
  position: absolute;
  transition: opacity 1s;
  padding: 0.3rem 0.3rem;
  background: rgba(250, 249, 247, 0.92);
}
.gallery-item:hover figcaption {
  opacity: 1;
}

/* ── Objekte: Dreiergruppen ──────────────────────────────── */
.objekt-gruppe {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}
.objekt-gruppe a {
  flex: 1;
  display: block;
}
.objekt-gruppe a img {
  height: auto;
  width: 100%;
  display: block;
  transition: opacity 0.25s;
}
.objekt-gruppe a:hover img {
  opacity: 1;
}

/* ── Info ──────────────────────────────────────────── */
.info {
  columns: 2;
  display: block;
  position: relative;
  break-inside: avoid;
  column-gap: 0.6rem;
}
.info-portrait {
  height: auto;
  width: 100%;
  display: block;
  transition: opacity 0.25s;
  padding-bottom: 2rem;
}
.info-graphik {
  height: auto;
  width: 100%;
  display: block;
  transition: opacity 0.25s;
  padding-bottom: 2rem;
}
.info-text {
  text-align: justify;
}

/* ── Impressum ──────────────────────────────────────── */
.impressum-text {
  font-size: 0.7rem;
  text-align: justify;
}

/* ── Responsive: Tablet + Mobile (Nav per Hamburger) ──────────────── */
@media (max-width: 1100px) {
  .site {
    grid-template-columns: 2fr;
  }

  /* ── Navigation immer ausgeblendet ─────────────────────────── */
  nav {
    width: 100%;
    height: 100vh;
    position: fixed;
    line-height: 1.45;
    font-size: 1.8rem;
    border-right: none;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    padding: 3rem 3rem 2rem 2.8rem;
  }

  body.nav-open nav {
    transform: translateX(0);
  }

  /* ── Hamburger auf Tablet und Mobile sichtbar ───────────────────── */
  .hamburger {
    display: block;
  }
  main {
    margin-left: 0;
    grid-column: 1;
    padding: 4rem 3rem 4rem 3rem;
  }
  .info-text {
    columns: 1;
  }
}

/* ── Responsive: Mobile ─────────────────────────────────── */
@media (max-width: 640px) {
  html {
    font-size: 16px;
  }
  main {
    padding: 4rem 2rem 4rem 2rem;
  }
  .gallery {
    columns: 1;
  }
  .objekt-gruppe {
    flex-direction: column;
  }
  .entries li {
    flex-direction: column;
    gap: 0.2rem;
  }
  .entry-year {
    min-width: auto;
  }
}