/* ===========================================================================
   De Schatkamer Juweliers, Groningen
   Vitrine en passe-partout: donkere fluwelen banden, papieren tussenvlak en
   witte panelen waarop de stukken zelf liggen. Terugkerend motief: de geslepen
   ruit van het uithangbord.
   =========================================================================== */

:root {
  --inkt:        #15181d;
  --inkt-diep:   #0d0f13;
  --inkt-zacht:  #1e232a;
  --papier:      #f2ece0;
  --sneeuw:      #faf8f3;
  --wit:         #ffffff;

  --goud:        #dd9933;
  --goud-diep:   #c08a2e;
  --goud-donker: #8a5d18;
  --goud-zacht:  #edd0a0;

  --licht:       #ebe7e0;
  --gedempt:     #a9afb8;
  --grijs:       #5c6168;

  --lijn-licht:  rgba(21, 24, 29, .13);
  --lijn-donker: rgba(221, 153, 51, .26);

  --ritme:       clamp(4rem, 8vw, 7rem);
  --kolomgat:    clamp(1.25rem, 3vw, 2.75rem);

  /* knoppen van de opening */
  --opening-achtergrond: #0d0f13;
  --opening-passe: #f2ece0;
  --opening-demping: .62;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--sneeuw);
  color: var(--inkt);
  font-family: 'Century Gothic', 'Futura', -apple-system, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  font-size: clamp(1rem, .96rem + .2vw, 1.075rem);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; }

h1, h2, h3, h4 { margin: 0; font-weight: 400; }

ul { margin: 0; padding: 0; list-style: none; }

.tekens { position: absolute; width: 0; height: 0; overflow: hidden; }

.overslaan {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: .85rem 1.4rem;
  background: var(--inkt);
  color: #fff;
  text-decoration: none;
}
.overslaan:focus { left: .75rem; top: .75rem; }

:focus-visible {
  outline: 2px solid var(--goud);
  outline-offset: 3px;
}

.omhullend {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3.5rem);
}

/* ---- typografie -------------------------------------------------------- */

.bovenregel {
  margin: 0 0 1.1rem;
  font-size: .7rem;
  font-weight: 400;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--goud);
}
.bovenregel--donker { color: var(--goud-donker); }

.titel-groot {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 300;
  font-size: clamp(2.1rem, 1.1rem + 3.4vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: -.005em;
  color: #fff;
  max-width: 18ch;
}
.titel-groot--donker { color: var(--inkt); }

.titel-klein {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 400;
  font-size: clamp(1.25rem, 1rem + .8vw, 1.7rem);
  line-height: 1.22;
  color: var(--inkt);
  margin-bottom: 1.5rem;
}
.titel-klein--licht { color: #fff; }

.inleiding {
  margin: 1.5rem 0 0;
  font-weight: 300;
  font-size: clamp(1.08rem, 1rem + .45vw, 1.35rem);
  line-height: 1.55;
  color: var(--licht);
  max-width: 44ch;
}
.inleiding--donker { color: var(--grijs); }

.lopend {
  margin: 1.1rem 0 0;
  color: var(--gedempt);
  max-width: 56ch;
}
.lopend--donker { color: var(--grijs); }

/* ---- knoppen ----------------------------------------------------------- */

.knop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .92rem 1.6rem;
  font-size: .78rem;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 1px;
  transition: background-color .35s ease, color .35s ease, border-color .35s ease, transform .35s ease;
}
.knop:hover { transform: translateY(-2px); }

.knop--goud { background: var(--goud); color: #16130c; border-color: var(--goud); }
.knop--goud:hover { background: var(--goud-zacht); border-color: var(--goud-zacht); }

.knop--rand { border-color: currentColor; color: inherit; }
.knop--rand:hover { background: rgba(221, 153, 51, .14); border-color: var(--goud); color: var(--goud); }

.knop--inkt { background: var(--inkt); color: #fff; border-color: var(--inkt); }
.knop--inkt:hover { background: var(--goud-donker); border-color: var(--goud-donker); }

.knop--klein { padding: .62rem 1.05rem; font-size: .72rem; letter-spacing: .1em; }

/* ---- merk -------------------------------------------------------------- */

.merk {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  color: inherit;
}
.merk__ruit {
  width: 26px;
  height: 26px;
  flex: none;
  color: var(--goud);
  transition: transform .5s cubic-bezier(.22, .61, .36, 1);
}
.merk:hover .merk__ruit { transform: rotate(-12deg) scale(1.06); }
.merk__woorden { display: flex; flex-direction: column; line-height: 1; }
.merk__naam {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.32rem;
  letter-spacing: .07em;
}
.merk__sub {
  font-size: .56rem;
  letter-spacing: .42em;
  text-transform: uppercase;
  margin-top: .3rem;
  opacity: .72;
}
.merk--groot .merk__ruit { width: 40px; height: 40px; }
.merk--groot .merk__naam { font-size: 2rem; }
.merk--groot .merk__sub { font-size: .62rem; letter-spacing: .5em; }

/* ---- kopbalk ----------------------------------------------------------- */

.kopbalk {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  color: var(--inkt);
  background: linear-gradient(to bottom, rgba(242, 236, 224, .97) 35%, rgba(242, 236, 224, 0));
  transition: background-color .4s ease, color .4s ease;
}
.kopbalk__binnen {
  max-width: 1280px;
  margin-inline: auto;
  padding: .85rem clamp(1.25rem, 4vw, 3.5rem);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.kopbalk.is-vast {
  background: rgba(13, 15, 19, .9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: #fff;
  border-bottom: 1px solid var(--lijn-donker);
}

.navigatie {
  margin-left: auto;
  display: flex;
  gap: clamp(1.1rem, 2.2vw, 2.1rem);
}
.navigatie a {
  position: relative;
  text-decoration: none;
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: .4rem 0;
  opacity: .82;
  transition: opacity .3s ease, color .3s ease;
}
.navigatie a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--goud);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s cubic-bezier(.22, .61, .36, 1);
}
.navigatie a:hover,
.navigatie a.is-actief { opacity: 1; color: var(--goud); }
.navigatie a:hover::after,
.navigatie a.is-actief::after { transform: scaleX(1); }

.kopbalk__actie { display: flex; align-items: center; gap: .75rem; }

.hamburger {
  display: none;
  width: 42px;
  height: 36px;
  padding: 0;
  border: 1px solid currentColor;
  border-radius: 1px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  position: relative;
}
.hamburger span {
  position: absolute;
  left: 11px;
  right: 11px;
  height: 1px;
  background: currentColor;
  transition: transform .35s ease, opacity .35s ease;
}
.hamburger span:first-child { top: 14px; }
.hamburger span:last-child { top: 21px; }
.hamburger[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* ---- opening: museumlabel onder de lijst ------------------------------- */

.opening__kop {
  text-align: center;
  padding: 0 1.25rem clamp(2.6rem, 6.5svh, 3.8rem);
  color: var(--inkt);
}
.opening__kop::before {
  content: '';
  position: absolute;
  inset: -3.5rem 0 0 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(242, 236, 224, 0), var(--opening-passe) 45%);
}
.opening__ruit {
  width: 20px;
  height: 20px;
  margin: 0 auto .85rem;
  color: var(--goud-donker);
}
.opening__titel {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 300;
  font-size: clamp(2.2rem, 1.1rem + 3.6vw, 3.9rem);
  line-height: 1;
  letter-spacing: .012em;
  color: var(--inkt);
}
.opening__regel {
  margin: .8rem auto 0;
  max-width: 36ch;
  font-size: clamp(.84rem, .8rem + .22vw, .98rem);
  line-height: 1.5;
  color: #4b5057;
}
.opening__knoppen {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  justify-content: center;
}
.opening__kop .knop--rand { color: var(--inkt); border-color: rgba(21, 24, 29, .35); }
.opening__kop .knop--rand:hover { color: var(--goud-donker); border-color: var(--goud-donker); }

.opening__slot {
  text-align: center;
  padding: 0 1.25rem clamp(3.5rem, 9svh, 5.5rem);
  color: #fff;
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 300;
  font-size: clamp(1.3rem, 1rem + 1.6vw, 2.3rem);
  letter-spacing: .03em;
}

.opening__wenk {
  bottom: .85rem;
  font-size: .6rem;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: rgba(21, 24, 29, .62);
}

/* ---- proloog ----------------------------------------------------------- */

.proloog {
  position: relative;
  background: var(--inkt);
  color: #fff;
  padding: var(--ritme) 0 0;
}

/* het ruitmotief als groot, bijna onzichtbaar watermerk; de houder knipt het
   af zodat de pagina niet breder wordt dan het scherm */
.watermerk-houder {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
.watermerk {
  position: absolute;
  top: -5%;
  left: -7%;
  width: min(46vw, 30rem);
  height: auto;
  aspect-ratio: 1;
  color: rgba(221, 153, 51, .1);
}
.watermerk--rechts { left: auto; right: -9%; top: auto; bottom: -12%; }

.proloog__raster {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--kolomgat);
  align-items: start;
}
.proloog__tekst { grid-column: 1 / 8; }

.pijlers {
  grid-column: 9 / -1;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--lijn-donker);
  margin-top: .6rem;
}
.pijler {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--lijn-donker);
}
.pijler svg { width: 13px; height: 13px; flex: none; color: var(--goud); }
.pijler__woord {
  font-size: .74rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--licht);
}

.pand {
  grid-column: 1 / 7;
  grid-row: 2;
  margin: clamp(2.5rem, 5vw, 4rem) 0 calc(-1 * clamp(2.5rem, 6vw, 5.5rem));
  position: relative;
  z-index: 3;
}
.pand img {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .7);
}
.pand figcaption {
  display: inline-block;
  margin-top: .8rem;
  padding: .4rem .75rem;
  background: var(--inkt);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--goud);
}

/* ---- atelier ----------------------------------------------------------- */

.atelier {
  background: var(--papier);
  padding: clamp(7rem, 13vw, 11rem) 0 var(--ritme);
}
.atelier__raster {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--kolomgat) var(--kolomgat);
  align-items: start;
}
.atelier__kop { grid-column: 7 / -1; grid-row: 1; }
.atelier__beeld { grid-column: 1 / 7; grid-row: 2; margin: 0; }
.atelier__lijst { grid-column: 7 / -1; grid-row: 2; padding-top: clamp(1.5rem, 3vw, 2.5rem); }

.atelier__beeld img {
  width: 100%;
  max-width: 620px;
  aspect-ratio: 1125 / 520;
  object-fit: cover;
  border: 1px solid rgba(21, 24, 29, .12);
}
.atelier__beeld figcaption {
  margin-top: .8rem;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--goud-donker);
}

.diensten { border-top: 1px solid var(--lijn-licht); }
.dienst {
  display: flex;
  align-items: flex-start;
  gap: .9rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--lijn-licht);
}
.dienst svg {
  width: 12px;
  height: 12px;
  flex: none;
  margin-top: .52rem;
  color: var(--goud-diep);
}
.dienst__tekst { color: var(--inkt); font-size: .98rem; line-height: 1.55; }
.atelier__lijst .knop { margin-top: 2rem; }

/* ---- collectie --------------------------------------------------------- */

.collectie {
  background: var(--sneeuw);
  padding: var(--ritme) 0 0;
}
.collectie__intro {
  padding-bottom: clamp(2rem, 4vw, 3.25rem);
  border-bottom: 1px solid var(--lijn-licht);
}

.hoofdstuk { padding: clamp(2.75rem, 5.5vw, 4.5rem) 0; }
.hoofdstuk + .hoofdstuk { border-top: 1px solid var(--lijn-licht); }

.hoofdstuk__kop {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}
.hoofdstuk__nr {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(2.4rem, 1.4rem + 3vw, 4.4rem);
  line-height: .82;
  color: var(--goud-donker);
  grid-row: 1 / 3;
}
.hoofdstuk__titel {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 300;
  font-size: clamp(2rem, 1.2rem + 2.6vw, 3.4rem);
  line-height: 1;
  letter-spacing: -.005em;
}
.hoofdstuk__intro {
  margin: .9rem 0 0;
  max-width: 58ch;
  color: var(--grijs);
}

/* mozaïek: panelen in een hairline-raster, de stukken zelf blijven vrij */
.mozaiek {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: clamp(3.6rem, 4.4vw, 5.4rem);
  gap: 1px;
  background: var(--lijn-licht);
  border: 1px solid var(--lijn-licht);
  margin-bottom: clamp(2.25rem, 4.5vw, 3.5rem);
}
.tegel {
  margin: 0;
  background: var(--wit);
  overflow: hidden;
  grid-row: span 4;
  display: block;
  padding: clamp(.85rem, 2vw, 1.9rem);
}
.mozaiek--hoog .tegel { grid-row: span 5; }
.tegel--a { grid-column: span 3; }
.tegel--b { grid-column: span 5; }
.tegel--c { grid-column: span 4; }
.tegel img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .7s cubic-bezier(.22, .61, .36, 1);
}
.tegel:hover img { transform: scale(1.055); }

/* merkenlijst */
.merken { border-top: 1px solid var(--lijn-licht); }
.merkrij {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.4rem);
  align-items: start;
  padding: clamp(1.4rem, 2.6vw, 2.1rem) 0;
  border-bottom: 1px solid var(--lijn-licht);
  transition: background-color .4s ease;
}
.merkrij:hover { background: rgba(221, 153, 51, .05); }
.merkrij:nth-child(even) { grid-template-columns: minmax(0, 1fr) 118px; }
.merkrij:nth-child(even) .merkrij__beeld { order: 2; }

.merkrij__beeld {
  position: relative;
  background: var(--wit);
  border: 1px solid var(--lijn-licht);
  aspect-ratio: 1;
  padding: .55rem;
  overflow: hidden;
}
.merkrij__beeld img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .6s cubic-bezier(.22, .61, .36, 1);
}
.merkrij:hover .merkrij__beeld img { transform: scale(1.07); }
.merkrij__ruit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  color: #d3ab6b;
}
.merkrij--zonder .merkrij__beeld { background: #f5f2ec; }

.merkrij__naam {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 400;
  font-size: clamp(1.35rem, 1.1rem + 1vw, 2rem);
  line-height: 1.1;
  transition: color .35s ease;
}
.merkrij:hover .merkrij__naam { color: var(--goud-donker); }
.merkrij__kreet {
  margin: .5rem 0 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--goud-donker);
}
.merkrij__uitleg {
  margin: .65rem 0 0;
  max-width: 68ch;
  color: var(--grijs);
  font-size: .97rem;
  line-height: 1.68;
}

.collectie__slot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-inline: 0;
  max-width: none;
}
.slotregel {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.4rem);
  font-weight: 300;
  line-height: 1.14;
  max-width: 20ch;
}

/* ---- over ons ---------------------------------------------------------- */

.over {
  background: var(--inkt);
  color: #fff;
  padding-bottom: var(--ritme);
}
.over__band {
  margin: 0;
  aspect-ratio: 1920 / 668;
  max-height: 52vh;
  overflow: hidden;
}
.over__band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 42%;
}

.over__raster {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--kolomgat);
  padding-top: var(--ritme);
  align-items: start;
}
.over__links { grid-column: 1 / 6; }
.over__rechts { grid-column: 7 / -1; }
.over__rechts .lopend:first-child { margin-top: 0; }

.jubileum {
  grid-column: 1 / 6;
  grid-row: 2;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-top: clamp(1.75rem, 3.5vw, 2.75rem);
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--lijn-donker);
  background: rgba(221, 153, 51, .07);
}
.jubileum__ruit { width: 16px; height: 16px; flex: none; margin-top: .45rem; color: var(--goud); }
.jubileum__tekst { margin: 0; color: var(--goud-zacht); font-size: .95rem; line-height: 1.6; }

/* ---- bezoek ------------------------------------------------------------ */

.bezoek {
  position: relative;
  background: var(--inkt);
  color: #fff;
  padding: 0 0 var(--ritme);
  overflow: hidden;
}
.bezoek__raster {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--kolomgat) var(--kolomgat);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--lijn-donker);
  align-items: start;
}
.bezoek__kop { grid-column: 1 / 7; grid-row: 1; }
.bezoek__gegevens { grid-column: 1 / 7; grid-row: 2; padding-top: clamp(1.75rem, 3.5vw, 3rem); }
.bezoek__tijden { grid-column: 8 / -1; grid-row: 1 / 3; }

.adres { font-style: normal; display: flex; flex-direction: column; gap: .15rem; }
.adres__regel { color: var(--licht); }

.bezoek__knoppen { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.5rem; }
.bezoek__knoppen .knop--rand { border-color: rgba(255, 255, 255, .32); color: #fff; text-transform: none; letter-spacing: .04em; }
.bezoek__knoppen .knop--rand:hover { color: var(--goud); border-color: var(--goud); }

.bezoek__verwijzingen { display: flex; flex-direction: column; gap: .55rem; margin-top: 1.75rem; }
.verwijzing {
  position: relative;
  align-self: flex-start;
  text-decoration: none;
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--goud);
  padding-bottom: .22rem;
  border-bottom: 1px solid var(--lijn-donker);
  transition: border-color .35s ease, color .35s ease;
}
.verwijzing:hover { color: var(--goud-zacht); border-color: var(--goud-zacht); }

.melding {
  margin: 0 0 1.4rem;
  padding: .85rem 1.1rem;
  background: var(--goud);
  color: #16130c;
  font-size: .82rem;
  font-weight: 400;
  letter-spacing: .07em;
  text-transform: uppercase;
  line-height: 1.45;
}

.tijden { border-top: 1px solid rgba(255, 255, 255, .13); }
.tijd {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .72rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, .13);
}
.tijd__dag { color: var(--licht); font-size: .95rem; }
.tijd__uur { color: #fff; font-variant-numeric: tabular-nums; font-size: .95rem; white-space: nowrap; }

.notitie { margin: 1.1rem 0 0; font-size: .85rem; color: var(--gedempt); }

/* ---- voet -------------------------------------------------------------- */

.voet {
  background: var(--inkt-diep);
  color: #fff;
  padding: clamp(3rem, 6vw, 4.5rem) 0 1.75rem;
  border-top: 1px solid var(--lijn-donker);
}
.voet__raster {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}
.voet__regel {
  margin: 1.2rem 0 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.2rem;
  color: var(--goud-zacht);
}
.voet__titel {
  font-size: .7rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--goud);
  margin-bottom: 1.1rem;
}
.voet__kolom { display: flex; flex-direction: column; gap: .55rem; }
.voet__kolom a {
  text-decoration: none;
  color: var(--gedempt);
  font-size: .93rem;
  transition: color .3s ease;
  align-self: flex-start;
}
.voet__kolom a:hover { color: var(--goud); }

.voet__onder {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .75rem;
  margin-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, .11);
}
.voet__klein { margin: 0; font-size: .78rem; letter-spacing: .08em; color: var(--gedempt); }
.voet__klein--link { text-decoration: none; transition: color .3s ease; }
.voet__klein--link:hover { color: var(--goud); }

/* ---- onthullen --------------------------------------------------------- */

.js [data-reveal],
.js [data-reveal-group] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .75s cubic-bezier(.22, .61, .36, 1), transform .75s cubic-bezier(.22, .61, .36, 1);
}
.js [data-reveal].is-zichtbaar,
.js [data-reveal-group] > .is-zichtbaar {
  opacity: 1;
  transform: none;
}

/* ---- responsief -------------------------------------------------------- */

@media (max-width: 1080px) {
  .proloog__tekst { grid-column: 1 / 9; }
  .pijlers { grid-column: 1 / -1; margin-top: 2rem; }
  .pand { grid-column: 1 / 9; grid-row: auto; }

  .atelier__kop { grid-column: 1 / -1; }
  .atelier__beeld { grid-column: 1 / 7; grid-row: auto; }
  .atelier__lijst { grid-column: 1 / -1; grid-row: auto; }

  .pand { margin-bottom: 0; }
  .atelier { padding-top: var(--ritme); }

  .over__links, .over__rechts, .jubileum { grid-column: 1 / -1; grid-row: auto; }
  .over__rechts { margin-top: 1.5rem; }

  .bezoek__kop { grid-column: 1 / -1; }
  .bezoek__gegevens, .bezoek__tijden { grid-column: 1 / -1; grid-row: auto; }
}

@media (max-width: 980px) {
  /* het eerste stuk krijgt de volle breedte, de twee andere delen de rij:
     zo blijft er nergens een leeg vak in het raster staan */
  .mozaiek { grid-auto-rows: clamp(3.1rem, 5.4vw, 4.6rem); }
  .tegel, .mozaiek--hoog .tegel { grid-column: span 6; grid-row: span 4; }
  .tegel:first-child, .mozaiek--hoog .tegel:first-child { grid-column: span 12; grid-row: span 5; }

  .voet__raster { grid-template-columns: 1fr 1fr; }
  .voet__merk { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .hamburger { display: block; }
  .navigatie {
    position: fixed;
    inset: 0;
    margin: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.6rem;
    background: rgba(13, 15, 19, .97);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    color: #fff;
    opacity: 0;
    visibility: hidden;
    transition: opacity .4s ease, visibility .4s ease;
    z-index: 55;
  }
  .navigatie.is-open { opacity: 1; visibility: visible; }
  .navigatie a { font-size: 1.1rem; letter-spacing: .22em; opacity: 1; }
  .kopbalk__actie { margin-left: auto; position: relative; z-index: 58; }
  .merk { position: relative; z-index: 58; }
  .kopbalk.menu-open { color: #fff; background: transparent; }
  body.menu-vast { overflow: hidden; }
}

@media (max-width: 720px) {
  :root { --ritme: clamp(3.25rem, 9vw, 4.5rem); }

  .titel-groot { max-width: none; }
  .atelier { padding-top: clamp(5rem, 16vw, 7rem); }
  .atelier__beeld { grid-column: 1 / -1; }
  .atelier__beeld img { max-width: none; }
  .pand { grid-column: 1 / -1; }

  .hoofdstuk__kop { grid-template-columns: 1fr; }
  .hoofdstuk__nr { grid-row: auto; display: block; margin-bottom: .35rem; }

  .merkrij,
  .merkrij:nth-child(even) { grid-template-columns: 84px minmax(0, 1fr); gap: 1.1rem; }
  .merkrij:nth-child(even) .merkrij__beeld { order: 0; }

  .collectie__slot { flex-direction: column; align-items: flex-start; }

  .over__band { max-height: 38vh; aspect-ratio: 16 / 11; }

  .kopbalk__binnen { padding-block: .7rem; }
  .merk__naam { font-size: 1.12rem; }
  .merk__ruit { width: 22px; height: 22px; }
  .knop--klein { padding: .55rem .8rem; font-size: .68rem; }
}

@media (max-width: 480px) {
  .mozaiek { grid-auto-rows: clamp(2.9rem, 7.6vw, 4.2rem); }
  .tegel { padding: .7rem; }
  .voet__raster { grid-template-columns: 1fr; }
  .bezoek__knoppen .knop, .opening__knoppen .knop { flex: 1 1 100%; }
}

/* ---- minder beweging --------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal],
  .js [data-reveal-group] > * {
    opacity: 1 !important;
    transform: none !important;
  }
}