/* ============================================================
   GRIEZELWOUD — BASIS
   Reset, typografie, layout-primitieven en de sfeerlagen
   (mist, grain, vignet, deeltjes) die overal terugkomen.
   ============================================================ */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* De vaste navigatie mag ankers niet afsnijden */
  scroll-padding-top: 5.5rem;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--t-base);
  line-height: var(--lh-body);
  color: var(--bone-2);
  background-color: var(--night);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  /* Het woud: drie overlappende lichtbronnen in de verte */
  background-image:
    radial-gradient(120% 80% at 12% -8%,  rgba(46, 17, 82, .55) 0%, transparent 60%),
    radial-gradient(100% 70% at 92% 4%,   rgba(255, 77, 0, .16) 0%, transparent 55%),
    radial-gradient(140% 100% at 50% 110%, rgba(16, 26, 51, .85) 0%, transparent 65%);
  background-attachment: fixed;
}

img, picture, svg, video, canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select { font: inherit; color: inherit; }

p, li { text-wrap: pretty; }

/* ---------- TYPOGRAFIE ---------- */

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: var(--lh-head);
  letter-spacing: var(--ls-head);
  color: var(--bone);
  text-wrap: balance;
}

h1 { font-size: var(--t-3xl); line-height: var(--lh-tight); }
h2 { font-size: var(--t-2xl); }
h3 { font-size: var(--t-xl); }
h4 { font-size: var(--t-lg); }

a {
  color: var(--gold-light);
  text-decoration-color: rgba(232, 185, 59, .35);
  text-underline-offset: 3px;
  transition: color var(--dur-fast) var(--ease-out),
              text-decoration-color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--gold); text-decoration-color: var(--gold); }

strong, b { color: var(--bone); font-weight: 600; }

::selection { background: rgba(255, 122, 24, .32); color: var(--bone); }

/* ---------- FOCUS: altijd zichtbaar, nooit lelijk ---------- */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}
:focus:not(:focus-visible) { outline: none; }

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--gutter);
  z-index: var(--z-toast);
  padding: .75rem 1.25rem;
  background: var(--pumpkin);
  color: var(--accent-ink);
  font-weight: 700;
  border-radius: 0 0 var(--r-md) var(--r-md);
  transition: top var(--dur) var(--ease-out);
}
.skip-link:focus { top: 0; color: var(--accent-ink); }

/* ---------- LAYOUT-PRIMITIEVEN ---------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: 880px; }
.wrap--text   { max-width: 72ch; }

.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem); }

.stack > * + * { margin-top: var(--flow, 1.25rem); }
.stack--lg { --flow: 2rem; }
.stack--sm { --flow: .75rem; }

.grid { display: grid; gap: var(--gap, 1.5rem); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }

.cluster { display: flex; flex-wrap: wrap; gap: var(--gap, .75rem); align-items: center; }
.cluster--center { justify-content: center; }

.center-text { text-align: center; }
.center-text .lead { margin-inline: auto; }

/* ---------- SECTIEKOP ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-body);
  font-size: var(--t-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow::before {
  content: "";
  width: 2rem; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.center-text .eyebrow::after {
  content: "";
  width: 2rem; height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.lead {
  font-size: var(--t-md);
  color: var(--bone-2);
  max-width: var(--maxw-text);
}

.section-head { margin-bottom: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
.section-head > * + * { margin-top: .9rem; }

/* Sierlijke scheiding tussen secties */
.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-2) 20%, var(--line-gold) 50%, var(--line-2) 80%, transparent);
}

/* ---------- SFEERLAGEN ---------- */

/* Filmkorrel over de hele site — maakt vlakke kleurvlakken levend */
.grain {
  position: fixed;
  inset: -50%;
  z-index: var(--z-mist);
  pointer-events: none;
  opacity: .35;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  animation: grain-shift 7s steps(6) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  16%  { transform: translate(-3%, -2%); }
  33%  { transform: translate(2%, -4%); }
  50%  { transform: translate(-2%, 3%); }
  66%  { transform: translate(3%, 1%); }
  83%  { transform: translate(-1%, -3%); }
  100% { transform: translate(0, 0); }
}

/* Vignet: trekt de blik naar het midden, duwt de randen het donker in */
.vignette {
  position: fixed;
  inset: 0;
  z-index: var(--z-mist);
  pointer-events: none;
  background: radial-gradient(130% 95% at 50% 45%, transparent 35%, rgba(4, 5, 10, .55) 78%, rgba(4, 5, 10, .88) 100%);
}

/* Deeltjes-canvas: vuurvliegjes en as. Gevuld door core.js */
#particles {
  position: fixed;
  inset: 0;
  z-index: var(--z-mist);
  pointer-events: none;
  opacity: .9;
}

/* Drijvende mist — drie lagen op verschillende snelheden geeft diepte */
.mist {
  position: absolute;
  inset-inline: -25%;
  height: 46vh;
  pointer-events: none;
  z-index: 2;
  opacity: .5;
  background-repeat: repeat-x;
  background-size: 50% 100%;
  background-image: radial-gradient(60% 52% at 30% 62%, rgba(168, 186, 224, .16) 0%, transparent 70%),
                    radial-gradient(52% 44% at 74% 48%, rgba(139, 77, 255, .13) 0%, transparent 72%);
  filter: blur(22px);
}
.mist--bottom { bottom: -10vh; animation: drift-right 64s linear infinite; }
.mist--mid    { bottom: 14vh;  animation: drift-left  92s linear infinite; opacity: .34; }
.mist--top    { top: 2vh;      animation: drift-right 118s linear infinite; opacity: .22; }

@keyframes drift-right { from { transform: translate3d(-12%, 0, 0); } to { transform: translate3d(12%, 0, 0); } }
@keyframes drift-left  { from { transform: translate3d(12%, 0, 0); } to { transform: translate3d(-12%, 0, 0); } }

/* ---------- SCROLL-ONTHULLING ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

[data-reveal="scale"] { transform: translateY(26px) scale(.965); }
[data-reveal="scale"].is-visible { transform: none; }

[data-reveal="left"]  { transform: translateX(-34px); }
[data-reveal="right"] { transform: translateX(34px); }
[data-reveal="left"].is-visible,
[data-reveal="right"].is-visible { transform: none; }

/* ---------- TOEGANKELIJKHEID ---------- */

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

[hidden] { display: none !important; }

/* Wie minder beweging wil, krijgt de sfeer zonder de onrust.
   De site blijft volledig bruikbaar — alleen stiller. */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .grain, #particles { display: none; }
  .mist { animation: none; opacity: .3; }
}

/* ---------- PRINT: de routekaart moet op papier kunnen ---------- */
@media print {
  body { background: #fff; color: #000; }
  .grain, .vignette, #particles, .mist, .site-nav, .site-footer, .btn { display: none !important; }
  h1, h2, h3 { color: #000; }
  a::after { content: " (" attr(href) ")"; font-size: .8em; color: #555; }
  .section { padding-block: 1rem; }
}