:root {
  color-scheme: dark;
  --gold: #d7ae68;
  --text: #f3efe7;
}

* {
  box-sizing: border-box;
}

html {
  background: #000;
}

body {
  margin: 0;
  background: #000;
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

/* INDEXSEITE – UNVERÄNDERT */

.intro-page {
  overflow: hidden;
  background-image:
    linear-gradient(rgba(0,0,0,.75), rgba(0,0,0,.75)),
    url('../images/hintergrund.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

.intro {
  height: 100svh;
  display: grid;
  place-items: center;
  position: relative;
  isolation: isolate;
}

.intro-art {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  transform-origin: 50% 50%;
}

.intro-art img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.intro-grey {
  filter: grayscale(1) brightness(.72);
  opacity: 0;
  animation: grey-appear 3s ease-out forwards;
}

.intro-gold {
  opacity: 0;
  animation: gold-appear 4s ease-in-out 2.8s forwards;
}

.intro-actions {
  z-index: 3;
  position: absolute;
  bottom: 5vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  animation: actions-appear 1s ease 12s forwards;
}

.quiet-button {
  background: rgba(0,0,0,.75);
  border: 1px solid #b9945e;
  color: #f7e6c9;
  padding: 13px 24px;
  letter-spacing: .1em;
  cursor: pointer;
}

.quiet-button:hover,
.quiet-button:focus-visible {
  background: #3b2b18;
}

.skip {
  font-size: .75rem;
  color: #b5a58c;
  text-decoration: none;
}

.intro-art.leaving {
  animation: travel 1.9s cubic-bezier(.35,0,.2,1) forwards;
}

.intro-page.leaving .intro-actions {
  opacity: 0;
  pointer-events: none;
  animation: none;
}

.intro-page.leaving:after {
  content: "";
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 2;
  animation: fade-overlay 1.9s ease forwards;
  pointer-events: none;
}

@keyframes grey-appear {
  from {
    opacity: 0;
    transform: scale(.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes gold-appear {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes actions-appear {
  to {
    opacity: 1;
  }
}

@keyframes travel {
  to {
    transform: scale(2.25) rotate(23deg);
  }
}

@keyframes fade-overlay {
  0%, 50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* ARCHIV UND BEITRAGSSEITEN */

.content-page {
  min-height: 100svh;
  isolation: isolate;
}

.site-background {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0,0,0,.75), rgba(0,0,0,.75)),
    url('../images/hintergrund.png');
  background-size: cover;
  background-position: center;
  pointer-events: none;

  /* Warme Darstellung nur für den Hintergrund */
  filter: sepia(0.9) brightness(0.75);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 22px clamp(20px,5vw,80px);
  font-size: .8rem;
  color: #d4c7b6;
}

.site-header a {
  text-decoration: none;
}

.brand {
  font-size: 1.2rem;
  letter-spacing: -.04em;
  font-weight: bold;
  color: #e8d6b5;
}

.archive {
  max-width: 1100px;
  margin: 7vh auto;
  padding: 0 24px;
}

.archive h1 {
  font-size: clamp(2.4rem,6vw,5rem);
  font-weight: 300;
  margin: 0 0 8px;
}

.intro-copy {
  color: #d0c2ac;
  margin-bottom: 50px;
}

/* FILMSTREIFEN */

.film {
  background: #17120d;
  border: 1px solid #6d5840;
  padding: 10px 0;
  box-shadow: 0 20px 50px #0009;
}

.perforations {
  height: 17px;
  background: repeating-linear-gradient(
    90deg,
    transparent 0 10px,
    #b4a189 10px 24px,
    transparent 24px 39px
  );
  background-size: auto 11px;
  background-repeat: repeat-x;
  background-position: center;
}

.frames {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 10px;
  padding: 5px 10px;
}

.frame,
.frame-empty {
  position: relative;
  aspect-ratio: 4/3;
  background: #080808;
  border: 2px solid #43382a;
  overflow: hidden;
}

.frame {
  display: block;
  outline-offset: 4px;
}

.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(0.9) brightness(0.615);
  transition: filter .3s, transform .6s;
}

.frame:hover img,
.frame:focus-visible img {
  filter: sepia(0.9) brightness(0.825);
  transform: scale(1.045);
}

.frame-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 15px 10px 8px;
  background: linear-gradient(transparent,#000c);
  font-size: clamp(.7rem,1.5vw,1rem);
  color: var(--text);
}

.frame-empty {
  background: linear-gradient(130deg,#15120e,#080808 65%);
}

/* VORSCHAU */

.preview {
  margin-top: 22px;
  max-width: 520px;
  padding: 22px 26px;
  border-left: 1px solid var(--gold);
  background: rgba(7,6,5,.9);
  opacity: .25;
  transition: opacity .35s;
}

.film:has(.frame:hover) + .preview,
.film:has(.frame:focus-visible) + .preview,
.preview:hover {
  opacity: 1;
}

.preview p {
  line-height: 1.8;
}

.preview a {
  font-size: .85rem;
  color: var(--gold);
}

.eyebrow {
  font-size: .65rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}

.hint {
  font-size: .8rem;
  color: #a69b8d;
}

/* EINZELNE BEITRÄGE */

.article {
  max-width: 980px;
  margin: 35px auto 100px;
  padding: 0 20px;
}

.work-image {
  margin: 0;
}

.work-image img {
  display: block;
  width: 100%;
  height: auto;
  filter: none;
}
.work-text {
  margin: 65px auto;
  max-width: 460px;
  background: transparent;
  padding: 30px clamp(20px,4vw,50px);
}

/* SCHRIFTFARBE DER EINZELNEN BEITRÄGE */

.work-text pre {
  font-family: inherit;
  color: var(--text);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: clamp(.95rem,1.8vw,1.12rem);
  line-height: 1.45;
  margin: 0;
}

/* DATUM – 10 % SICHTBARKEIT */

.beitrag-datum {
  color: rgba(243,239,231,.10);
  font-size: .75rem;
  text-align: right;
  margin-top: 30px;
}

.resonance {
  max-width: 640px;
  margin: 80px auto;
  padding: 25px;
  border-top: 1px solid #7b6241;
  background: #0009;
}

.resonance h2 {
  font-size: 1.2rem;
  font-weight: normal;
  color: var(--gold);
}

.resonance p {
  color: #aaa;
}

.back {
  display: block;
  text-align: center;
  color: var(--gold);
  margin: 60px auto;
}

/* MOBILE DARSTELLUNG */

@media (max-width:640px) {
  .site-header span {
    display: none;
  }

  .frames {
    grid-template-columns: 1fr 1fr;
  }

  .frame-empty:last-child {
    display: none;
  }

  .archive {
    margin-top: 10vh;
  }

  .work-text {
    margin: 25px auto;
  }

  .intro-art img {
    object-fit: contain;
  }

  .site-background {
    background-position: 55% center;
  }
}

/* REDUZIERTE BEWEGUNG */

@media (prefers-reduced-motion:reduce) {
  .intro-grey {
    animation: none;
    opacity: 0;
  }

  .intro-gold {
    animation: none;
    opacity: 1;
  }

  .intro-actions {
    animation: none;
    opacity: 1;
  }

  .intro-art.leaving {
    animation: none;
  }

  .intro-page.leaving:after {
    animation: none;
    opacity: 1;
  }

  *,
  *:before,
  *:after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}