:root {
  --pad: 3rem;
  --bg: #faf8f7;
  --gap: 0.6rem;
  --text: #000000;
  --muted: #9e9993;
  --nav-bg: #d6d1cb;
  --accent: #ee0000;
  --transition: 0.5s ease;
}

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

/* ── Basis ─────────────────────────────────────────── */
html {
  hyphens: auto;
  font-size: 18px;
  color-scheme: light;
  background: var(--bg);
}
body {
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  font: 300 0.9rem/1.3 'Inter', Arial, sans-serif;
}
main, nav {
  transform: translateZ(0);
  backface-visibility: hidden;
}
@font-face {
  font-family: 'Inter';
  src: url('./fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('./fonts/Inter-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ── Allgemein ──────────────────────────────────────── */
.site {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 1fr;
}
.intro,
.info-text,
.impressum-text,
.abstracts-text {
  text-align: justify;
}
.abstracts-text,
.impressum-text {
  font-size: 0.8rem;
}
.books,
.entries li,
.objekt-gruppe,
.nav-links {
  display: flex;
}
.book-year,
.entry-year {
  flex-shrink: 0;
  min-width: 2.5rem;
  color: var(--muted);
}
.section-title {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1rem;
}
.section-title:not(:first-of-type) {
  margin-top: 2rem;
}

/* ── Einheitliche Links ─────────────────────────────────── */
.nav-links a,
.book a,
.entry-title a,
.meta-link a {
  color: var(--text);
  position: relative;
  text-decoration: none;
}
.book a::after,
.nav-links a::after,
.entry-title a::after,
.meta-link a::after {
  left: 0;
  content: "";
  width: 100%;
  height: 0.09rem;
  position: absolute;
  bottom: -0.15rem;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
  transition: transform var(--transition);
}
.book a:hover::after,
.nav-links a:hover::after,
.nav-links a.active::after,
.entry-title a:hover::after,
.meta-link a:hover::after {
  transform: scaleX(1);
}

/* ── Navigation ─────────────────────────────────────── */
nav {
  top: 0;
  left: 0;
  z-index: 10;
  display: flex;
  width: 15rem;
  height: 100vh;
  position: fixed;
  overflow-y: auto;
  flex-direction: column;
  background: var(--nav-bg);
  justify-content: space-between;
  padding: var(--pad) var(--pad) 2rem;
}
.nav-name {
  hyphens: none;
  font-size: 1.5rem;
  padding-right: 2rem;
  padding-bottom: 2rem;
}
.nav-links {
  flex: 1;
  list-style: none;
  flex-direction: column;
}
.nav-links a {
  display: block;
  transition: color 1s;
  padding: 0.25rem 0;
}

/* ── Hamburger ─────────────────────────────────────── */
.hamburger {
  z-index: 20;
  top: 0.7rem;
  right: 0.7rem;
  border: none;
  display: none;
  position: fixed;
  cursor: pointer;
  padding: 0.8rem;
  background: none;
}
.hamburger span {
  height: 2px;
  width: 30px;
  display: block;
  margin: 7px 0;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}
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);
}

/* ── Animationen ────────────────────────────────────── */
@keyframes fadein {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes fadeout {
  from { opacity: 1; }
  to   { opacity: 0; }
}
main {
  opacity: 0;
  margin-left: 15rem;
  padding: var(--pad) var(--pad) 2rem;
  animation: fadein 0.75s ease 0.25s forwards;
}
main.fade-out {
  animation: fadeout 0.25s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

/* ── Bücher / Essays / Abstracts ───────────────────────────── */
.books,
.decade {
  margin-bottom: 1rem;
}
.books,
.essays,
.abstracts-text p strong {
  font-weight: 500;
}
.decade-label {
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 0.9rem;
  text-transform: uppercase;
}
.entries {
  list-style: none;
  margin-bottom: 2rem;
}
.entries li {
  gap: 2rem;
  align-items: baseline;
}
.book a {
  gap: 2rem;
}
.meta-link {
  margin-top: 2rem;
}
.abstracts-text p strong {
  display: block;
  margin-bottom: 0.3rem;
}
p.abstracts {
  margin-top: 1.5rem;
}
p.abstracts.kein-abstand {
  margin-top: 0;
}

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

/* ── Objektgruppen ──────────────────────────────────── */
.objekt-gruppe {
  gap: var(--gap);
  margin-bottom: var(--gap);
}
.objekt-gruppe a {
  flex: 1;
  display: block;
}

/* ── Info ─────────────────────────────────────────── */
.info-gallery {
  columns: 2;
  column-gap: var(--gap);
  margin-bottom: 1.5rem;
}

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 1100px) {
  .site {
    grid-template-columns: 1fr;
  }
  nav {
    width: 100%;
    line-height: 1.45;
    font-size: 1.8rem;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    padding: var(--pad) var(--pad) 2rem 2.8rem;
  }
  body.nav-open nav {
    transform: translateX(0);
  }
  .hamburger {
    display: block;
  }
  main {
    margin-left: 0;
    grid-column: 1;
    padding: 4rem var(--pad);
  }
  .info-text {
    columns: 1;
  }
}
@media (max-width: 640px) {
  html {
    font-size: 16px;
  }
  main {
    padding: 4rem 2rem;
  }
  .gallery {
    columns: 1;
  }
  .objekt-gruppe,
  .entries li {
    flex-direction: column;
  }
  .entries li {
    gap: 0.2rem;
  }
  .entry-year {
    min-width: auto;
  }
}