/* =========================================================
   CONTACT — zelfde achtergrond, tegels en thema als de andere pagina's.
   Elke letter staat precies op een rastervakje (js/contact.js).
   ========================================================= */

:root {
  --cell-target: 30px;
  --tile-scale: .8;
  --dot-size: 3px;
  --fill-time: .7s;                 /* hoe snel de titel zich vult */
}

@media (min-width: 768px)  { :root { --cell-target: 36px; --dot-size: 4px; } }
@media (min-width: 1200px) { :root { --cell-target: 44px; } }
@media (min-width: 1920px) { :root { --cell-target: 54px; --dot-size: 5px; } }

html, body {
  height: auto;
  min-height: 100%;
}

body {
  overflow-x: hidden;
  display: flow-root;                 /* zodat de marge onder de kaart meetelt */
  padding-bottom: 0;
}

/* ---------- Achtergrond (blijft staan bij scrollen) ---------- */
.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--bg);
  transition: background-color .3s ease;
  touch-action: none;
}

.grid {
  position: absolute;
  display: grid;
  grid-template-columns: repeat(var(--cols, 1), var(--cell, 30px));
  grid-auto-rows: var(--cell, 30px);
}

.cell { position: relative; }

.cell::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: var(--dot-size);
  height: var(--dot-size);
  background: var(--dot);
  transform: translate(-50%, -50%);
}

.cell.has-item::before,
.cell.no-dot::before { display: none; }

.cell.is-near::before { background: var(--accent); }

.tile {
  position: absolute;
  inset: calc(var(--cell) * (1 - var(--tile-scale)) / 2);
  background: center / contain no-repeat;
  opacity: 0;
  transform: scale(.6);
  filter: var(--icon-filter);
  transition: opacity .45s ease, transform .45s ease;
  pointer-events: none;
}

.tile.is-on {
  opacity: 1;
  transform: scale(1);
  transition: opacity .12s ease-out, transform .18s cubic-bezier(.2, 1.4, .4, 1);
}

.grid.is-focus .tile.is-on { transform: scale(.7); }

/* "Dark" / "Light" boven en onder het thema-vierkant */
.cell-label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-name);
  font-weight: 500;
  font-size: calc(var(--cell) * .32);
  line-height: 1;
  color: var(--label);
  transition: color .25s ease, opacity .15s ease;
  pointer-events: none;
}
.cell-label.is-active { color: var(--label-active); }
.cell:has(.tile.is-on) .cell-label { opacity: 0; }
.cell.is-near .cell-label.is-active { color: var(--accent); }
.cell.is-near .cell-label:not(.is-active) {
  color: color-mix(in srgb, var(--accent) 35%, transparent);
}

/* ---------- Terugpijl + Light/Dark ---------- */
.nav-tiles {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  visibility: hidden;
}
.nav-tiles.is-ready { visibility: visible; }

.nav-tile {
  position: absolute;
  width: var(--cell);
  height: var(--cell);
  padding: 0;
  border: 0;
  background: none;
  display: grid;
  place-items: center;
  pointer-events: auto;
  cursor: pointer;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  transition: transform .25s cubic-bezier(.2, 1.4, .4, 1);
}

.nav-tile img {
  grid-area: 1 / 1;
  width:  calc(var(--cell) * var(--tile-scale));
  height: calc(var(--cell) * var(--tile-scale));
  pointer-events: none;
}

.nav-tile .icon   { filter: var(--icon-filter); }
.nav-tile .accent {
  filter: var(--accent-filter);
  opacity: 0;
  transition: opacity .2s ease;
}

.nav-tile.is-near .accent,
.nav-tile:hover .accent,
.nav-tile:focus-visible .accent { opacity: 1; }

.nav-tile:hover,
.nav-tile:focus-visible { transform: scale(1.5); z-index: 1; }

/* ---------- Letters en foto, op hetzelfde raster als de achtergrond ---------- */
.contact {
  position: fixed;               /* js geeft dezelfde box als het raster */
  z-index: 1;
  margin: 0;
  pointer-events: none;
  visibility: hidden;
}
.contact.is-ready { visibility: visible; }

/* Een woord = een rij vakjes; js zet left/top */
.word {
  position: absolute;
  display: flex;
  height: var(--cell);
  margin: 0;
  font-size: inherit;
  text-decoration: none;
  color: inherit;
  outline: none;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
}
.word--title { cursor: default; }     /* "Contact me" is niet klikbaar */
a.word       { cursor: pointer; }

.letter {
  position: relative;
  flex: 0 0 var(--cell);
  width: var(--cell);
  height: var(--cell);
  display: grid;
  place-items: center;
  transition: transform .25s cubic-bezier(.2, 1.4, .4, 1);
}

.letter img {
  grid-area: 1 / 1;
  width:  calc(var(--cell) * var(--tile-scale));
  height: calc(var(--cell) * var(--tile-scale));
  pointer-events: none;
}

/* "me" is breder (62 x 50): het wit vlak valt op het vakje, de letters steken iets uit */
.letter--me img { width: calc(var(--cell) * var(--tile-scale) * 62 / 50.667); }

.letter .icon   { filter: var(--icon-filter); }
.letter .accent {
  filter: var(--accent-filter);   /* licht: zwartachtig, donker: lichtblauw */
  opacity: 0;
  transition: opacity .2s ease;
}

/* dark mode: het witte vlak achter "me" verdwijnt, "me" is altijd blauw (--c-blue-300) */
:root[data-theme="dark"] .letter--me .icon   { filter: url(#me-dark-accent); }
:root[data-theme="dark"] .letter--me .accent { filter: url(#me-dark-accent); }

/* Hover per letter: die letter kleurt en springt een beetje op */
.letter:hover .accent { opacity: 1; }
.letter:hover { transform: scale(1.15); z-index: 1; }

/* Toetsenbord: het hele woord kleurt */
.word:focus-visible .accent { opacity: 1; }

/* ---------- Profielfoto ---------- */
.contact__photo {
  position: absolute;             /* js zet left/top/width/height op het raster */
  display: block;
  padding: calc(var(--cell) * (1 - var(--tile-scale)) / 2);   /* zelfde rand als de tegels */
  pointer-events: auto;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  transform: scale(.95);          /* zonder hover iets kleiner */
  transition: transform .45s cubic-bezier(.2, 1.2, .4, 1);
}

.contact__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 30%;
  transition: filter .3s ease;
}

.contact__photo:hover,
.contact__photo:focus-visible,
.contact__photo.is-on { transform: scale(1); }

:root[data-theme="dark"] .contact__photo img { filter: brightness(.9); }
:root[data-theme="dark"] .contact__photo:hover img,
:root[data-theme="dark"] .contact__photo.is-on img { filter: none; }

/* De tegels rond de foto komen een voor een op */
.tile.is-ring {
  transition-delay: var(--ring-delay, 0s);
}

@media (prefers-reduced-motion: reduce) {
  .letter, .contact__photo, .tile { transition: none; }
  .letter:hover { transform: none; }
  .contact__photo:hover, .contact__photo.is-on { transform: scale(.95); }
}

/* ---------- Deze pagina scrollt: raster, knoppen en letters scrollen mee ---------- */
.bg {
  position: absolute;          /* js zet de hoogte (zoveel rijen als nodig) */
  top: 0; right: 0; bottom: auto; left: 0;
  touch-action: auto;          /* zodat je op gsm kan scrollen */
}
.nav-tiles,
.contact { position: absolute; }

/* ---------- Gsm (max 499px): geen scroll, alles past op het scherm ---------- */
@media (max-width: 499px) {
  .bg {
    position: fixed;
    inset: 0;
    touch-action: none;
  }
  .nav-tiles,
  .contact { position: fixed; }
}