/* EQUESTRIAL — Kalken */

:root {
  --inkt: #1c1a17;
  --papier: #f6f3ee;
  --zand: #cbb79a;
  --goud: #b3874a;
  --diep: rgba(20, 18, 15, 0.82);
  --rand: rgba(246, 243, 238, 0.16);
  --kop-h: 160px;
  --logo-h: 132px;
  --max: 1180px;
  /* Zachte, vervagende rand rond alle beelden. */
  --rond: 20px;
  --veer: 10px;
}

/* Ronde hoeken met randen die zacht in de achtergrond overgaan. */
.zacht {
  border-radius: var(--rond);
  -webkit-mask-image:
    linear-gradient(to right, transparent 0, #000 var(--veer), #000 calc(100% - var(--veer)), transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 var(--veer), #000 calc(100% - var(--veer)), transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0, #000 var(--veer), #000 calc(100% - var(--veer)), transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 var(--veer), #000 calc(100% - var(--veer)), transparent 100%);
  mask-composite: intersect;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  color: var(--papier);
  background: var(--inkt);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.visueel-verborgen {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Achtergrond ---------- */

.achtergrond {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: url("../img/bg/achtergrond.jpg") center 42% / cover no-repeat;
}

.achtergrond::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(16, 14, 12, 0.58) 0%, rgba(16, 14, 12, 0.24) 36%, rgba(16, 14, 12, 0.58) 100%),
    radial-gradient(120% 80% at 50% 38%, rgba(16, 14, 12, 0) 0%, rgba(16, 14, 12, 0.46) 100%);
}

/* ---------- Kop ---------- */

.kop {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: var(--kop-h);
  padding: 12px clamp(16px, 4vw, 40px) 30px;
  /* Geen harde balk: de kop loopt van donker naar niets uit, zodat het logo
     in de achtergrondfoto lijkt over te gaan. */
  background: linear-gradient(180deg,
    rgba(16, 14, 12, 0.88) 0%,
    rgba(16, 14, 12, 0.66) 42%,
    rgba(16, 14, 12, 0.28) 74%,
    rgba(16, 14, 12, 0) 100%);
}

.logo { flex: 0 0 auto; line-height: 0; }

.logo img {
  height: var(--logo-h);
  width: auto;
  display: block;
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.75));
}

.menu {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(6px, 1.4vw, 22px);
}

.menu a {
  position: relative;
  padding: 8px 2px;
  color: rgba(246, 243, 238, 0.72);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  transition: color 0.2s;
  white-space: nowrap;
}

.menu a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--goud);
  transform: scaleX(0);
  transition: transform 0.25s;
}

.menu a:hover { color: var(--papier); }
.menu a.actief { color: var(--papier); }
.menu a.actief::after { transform: scaleX(1); }

.menuknop {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--rand);
  border-radius: 4px;
  cursor: pointer;
}
.menuknop span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--papier);
  transition: transform 0.25s, opacity 0.2s;
}
.menuknop[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menuknop[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menuknop[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Secties ---------- */

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(36px, 6vw, 72px) clamp(16px, 4vw, 40px) 90px;
}

.tab { animation: opkomen 0.45s ease both; outline: none; }
.tab[hidden] { display: none; }

@keyframes opkomen {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.inleiding {
  max-width: 62ch;
  margin-bottom: clamp(30px, 5vw, 52px);
  /* De achtergrond is lichter, dus de tekst krijgt een zachte schaduw. */
  text-shadow:
    0 2px 30px rgba(10, 8, 6, 0.92),
    0 1px 12px rgba(10, 8, 6, 0.9),
    0 1px 3px rgba(10, 8, 6, 0.85);
}

h1 {
  margin: 0 0 0.3em;
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

h1::after {
  content: "";
  display: block;
  width: 68px;
  height: 2px;
  margin-top: 0.5em;
  background: var(--goud);
}

.lead {
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: var(--zand);
  margin: 0.9em 0;
}

.inleiding p { color: rgba(246, 243, 238, 0.86); }

.beschikbaar {
  display: inline-block;
  margin-top: 0.6em;
  padding: 10px 18px;
  border: 1px solid var(--goud);
  border-radius: 3px;
  background: rgba(179, 135, 74, 0.12);
}

/* ---------- Feiten ---------- */

.feiten {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 1.8em 0;
  background: var(--rand);
  border: 1px solid var(--rand);
  border-radius: var(--rond);
  overflow: hidden;
}

.feit {
  padding: 18px 16px;
  background: rgba(16, 14, 12, 0.66);
  text-align: center;
}

.feit strong {
  display: block;
  font-size: 1.5rem;
  color: var(--goud);
  font-weight: 400;
}

.feit span {
  font-size: 0.85rem;
  color: rgba(246, 243, 238, 0.7);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* ---------- Gallerij ---------- */

.gallerij {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: clamp(10px, 1.6vw, 18px);
}

.gallerij figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--rond);
  -webkit-mask-image:
    linear-gradient(to right, transparent 0, #000 var(--veer), #000 calc(100% - var(--veer)), transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 var(--veer), #000 calc(100% - var(--veer)), transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0, #000 var(--veer), #000 calc(100% - var(--veer)), transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 var(--veer), #000 calc(100% - var(--veer)), transparent 100%);
  mask-composite: intersect;
  cursor: zoom-in;
}

.gallerij img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.2, 0.7, 0.3, 1), filter 0.35s;
}

.gallerij figure:hover img,
.gallerij figure:focus-visible img { transform: scale(1.05); }

.gallerij figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 14px 12px;
  font-size: 0.9rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: linear-gradient(transparent, rgba(12, 10, 8, 0.88));
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s, transform 0.3s;
}

.gallerij figure:hover figcaption,
.gallerij figure:focus-within figcaption { opacity: 1; transform: none; }

/* ---------- Video's ---------- */

.videos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: clamp(18px, 2.4vw, 30px);
}

.video {
  margin: 0;
  background: rgba(16, 14, 12, 0.5);
  border-radius: var(--rond);
  overflow: hidden;
}

.video video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  object-fit: cover;
  border-radius: var(--rond) var(--rond) 0 0;
}

.video figcaption {
  padding: 14px 16px 16px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.video figcaption strong {
  display: block;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.video figcaption span {
  font-size: 0.88rem;
  color: rgba(246, 243, 238, 0.66);
}

/* ---------- Plaatshouders (schuilstal) ---------- */

.plaatshouders {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: clamp(12px, 1.8vw, 20px);
}

.plaatshouder { margin: 0; }

.plaatshouder .vak {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  border: 1px dashed rgba(203, 183, 154, 0.4);
  border-radius: var(--rond);
  background: rgba(16, 14, 12, 0.45);
}

.plaatshouder .vak span {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(203, 183, 154, 0.6);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.plaatshouder figcaption {
  padding-top: 10px;
  font-size: 0.92rem;
  color: rgba(246, 243, 238, 0.78);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.notitie {
  margin-top: 30px;
  padding: 14px 18px;
  font-size: 0.9rem;
  color: rgba(246, 243, 238, 0.6);
  border-left: 2px solid var(--goud);
  background: rgba(16, 14, 12, 0.45);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.notitie code {
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(246, 243, 238, 0.1);
  font-size: 0.92em;
}

/* ---------- Contact ---------- */

.contactraster {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(14px, 2vw, 24px);
}

.kaartje {
  padding: 26px 24px;
  background: rgba(16, 14, 12, 0.68);
  border: 1px solid var(--rand);
  border-radius: var(--rond);
}

.kaartje h2 {
  margin: 0 0 0.8em;
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--goud);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.kaartje dl { margin: 0; }
.kaartje dt {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(246, 243, 238, 0.5);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.kaartje dd { margin: 2px 0 14px; }

.vinkjes { margin: 0; padding: 0; list-style: none; }
.vinkjes li { position: relative; padding-left: 24px; margin-bottom: 8px; }
.vinkjes li::before {
  content: "";
  position: absolute;
  left: 2px; top: 0.62em;
  width: 9px; height: 5px;
  border-left: 2px solid var(--goud);
  border-bottom: 2px solid var(--goud);
  transform: rotate(-45deg);
}

.kaartje--contact .email { font-size: 1.02rem; word-break: break-word; }
.kaartje--contact a { color: var(--zand); }
.kaartje--contact a:hover { color: var(--papier); }
.klein { font-size: 0.82rem; color: rgba(246, 243, 238, 0.45); }

/* ---------- Tekstpagina (privacyverklaring) ---------- */

.tekstpagina {
  max-width: 72ch;
  padding: clamp(24px, 4vw, 44px) clamp(20px, 4vw, 44px) clamp(30px, 4vw, 48px);
  background: rgba(16, 14, 12, 0.78);
  border: 1px solid var(--rand);
  border-radius: var(--rond);
}

.tekstpagina h2 {
  margin: 2em 0 0.5em;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  font-weight: 400;
  color: var(--zand);
}

.tekstpagina h3 {
  margin: 1.6em 0 0.4em;
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--goud);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.tekstpagina p { color: rgba(246, 243, 238, 0.88); }
.tekstpagina a { color: var(--zand); }
.tekstpagina a:hover { color: var(--papier); }
.tekstpagina .vinkjes { margin: 0.6em 0 1.2em; }
.tekstpagina .vinkjes li { color: rgba(246, 243, 238, 0.88); }

.kaartje--los {
  margin: 1.2em 0 1.6em;
  padding: 20px 22px;
  background: rgba(0, 0, 0, 0.3);
}
.kaartje--los dd:last-child { margin-bottom: 0; }
.kaartje--los p { margin: 0; }

/* Nog in te vullen door de eigenaar — valt bewust op. */
[data-invullen] {
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(179, 135, 74, 0.22);
  border: 1px dashed rgba(179, 135, 74, 0.65);
  color: #e8cfa6;
}

.datum {
  margin-top: 2.4em;
  font-size: 0.88rem;
  color: rgba(246, 243, 238, 0.5);
}

.terug {
  display: inline-block;
  margin-top: 0.6em;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  letter-spacing: 0.06em;
  text-decoration: none;
}

/* ---------- Voet ---------- */

.voet {
  padding: 26px 20px 34px;
  text-align: center;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(246, 243, 238, 0.4);
  border-top: 1px solid var(--rand);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.voet p { margin: 0; }

.voet-links { margin-top: 8px; }
.voet-links a { color: rgba(203, 183, 154, 0.75); text-decoration: none; }
.voet-links a:hover { color: var(--papier); text-decoration: underline; }

/* ---------- Lichtbak ---------- */

.lichtbak {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 4vmin;
  background: rgba(10, 9, 8, 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: vervagen 0.25s ease both;
}

.lichtbak[hidden] { display: none; }

@keyframes vervagen { from { opacity: 0; } to { opacity: 1; } }

.lichtbak figure {
  margin: 0;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.lichtbak img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--rond);
}

.lichtbak figcaption {
  font-size: 0.95rem;
  color: var(--zand);
  text-align: center;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.lichtbak button {
  position: absolute;
  background: none;
  border: 0;
  color: rgba(246, 243, 238, 0.75);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s, transform 0.2s;
}
.lichtbak button:hover { color: var(--papier); }

.lb-sluit { top: 18px; right: 22px; font-size: 2.6rem; }
.lb-vorige, .lb-volgende { top: 50%; font-size: 3.6rem; padding: 10px 18px; transform: translateY(-50%); }
.lb-vorige { left: 8px; }
.lb-volgende { right: 8px; }
.lb-vorige:hover { transform: translateY(-50%) translateX(-3px); }
.lb-volgende:hover { transform: translateY(-50%) translateX(3px); }

/* ---------- Mobiel ---------- */

@media (max-width: 860px) {
  .menuknop { display: block; }

  /* backdrop-filter op de kop maakt een eigen compositielaag, waardoor de
     uitklapbare navigatie erdoorheen zou schijnen. Op mobiel dus uitzetten. */
  :root { --kop-h: 96px; --logo-h: 74px; }

  .kop {
    background: #141210;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding-bottom: 12px;
  }

  .menu {
    position: absolute;
    z-index: 70;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    padding: 8px 0 14px;
    background: #141210;
    border-bottom: 1px solid var(--rand);
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.55);
    display: none;
  }

  .menu.open { display: flex; }

  .menu a {
    padding: 13px clamp(16px, 4vw, 40px);
    font-size: 1rem;
  }

  .menu a::after { display: none; }
  .menu a.actief { color: var(--goud); }

  .logo img { height: 42px; }
  .lb-vorige, .lb-volgende { font-size: 2.6rem; padding: 8px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}