/* =========================================================
   SOGNAREYACHTS — PREMIUM LAYER (tier 1)
   Cinematische opening, filmkorrel, nav-gedrag, beeld-masks
   ========================================================= */

/* ── Curtain / cinematische opening ─────────────────────── */
#curtain {
  position: fixed;
  inset: 0;
  z-index: 12000;
  background: #16202B;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
#curtain .curtain-mark {
  width: min(46vw, 340px);
  overflow: hidden;
}
#curtain .curtain-mark img {
  width: 100%;
  display: block;
  filter: brightness(0) invert(1);
  opacity: 0;
  transform: translateY(105%);
}
#curtain .curtain-line {
  position: absolute;
  left: 50%;
  bottom: 18vh;
  width: 1px;
  height: 0;
  background: linear-gradient(to bottom, transparent, #D4AA74);
}
/* Zonder JS of met reduced motion: geen doek */
.no-js #curtain, .reduced-motion #curtain { display: none; }

/* ── Filmkorrel (celluloid-gevoel, extreem subtiel) ──────── */
#grain {
  position: fixed;
  inset: -100px;
  z-index: 11000;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grainShift 0.9s steps(3) infinite;
}
@keyframes grainShift {
  0%   { transform: translate(0, 0); }
  33%  { transform: translate(-38px, 22px); }
  66%  { transform: translate(24px, -30px); }
  100% { transform: translate(0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  #grain { animation: none; opacity: 0.03; }
}

/* ── Smart nav: verbergt bij omlaag scrollen ────────────── */
.nav {
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              background 0.3s ease, box-shadow 0.3s ease;
}
.nav.nav-hidden { transform: translateY(-110%); }

/* ── Beeld-binnenparallax: mask + overschaald beeld ─────── */
.img-parallax {
  overflow: hidden;
}
.img-parallax img {
  scale: 1.14;
  will-change: transform;
}

/* ── Tekst-mask reveals ─────────────────────────────────── */
.mask-line {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  padding-bottom: 0.08em;
  margin-bottom: -0.08em;
}
.mask-word {
  display: inline-block;
  transform: translateY(112%);
  will-change: transform;
}

/* ── Magnetische knoppen ────────────────────────────────── */
@media (pointer: fine) {
  .btn { will-change: transform; }
}

/* ── Premium knoppen: amber fill-sweep op hover ─────────── */
.btn {
  position: relative;
  overflow: hidden;
  z-index: 0;
  border-color: rgba(22, 32, 43, 0.42);
  transition: color 0.45s ease, border-color 0.45s ease;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: #D4AA74;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
.btn:hover::before,
.btn:focus-visible::before { transform: scaleX(1); }
.btn:hover,
.btn:focus-visible {
  color: #16202B !important;
  border-color: #D4AA74;
}
/* Op donkere secties: cream rand in rust */
.hero .btn, .proefvaart-content .btn, .showcase .btn {
  border-color: rgba(247, 245, 241, 0.55);
}

/* ── Subtielere knop-omkadering (site-breed) ────────────── */
.btn {
  padding: 13px 30px;
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  border-width: 1px;
  border-color: rgba(22, 32, 43, 0.28);
  border-radius: 3px;
}
.btn::before { border-radius: 2px; }
.hero .btn, .proefvaart-content .btn, .showcase .btn {
  border-color: rgba(247, 245, 241, 0.42);
}


/* ── Uniforme brons-hover: oude hover-effecten uit style.css uitschakelen ── */
.btn::before {
  background: #D4AA74 !important;
  clip-path: none !important;
  inset: 0 !important;
  opacity: 1 !important;
}
.btn::after { display: none !important; }
.btn:hover, .btn:focus-visible,
.btn-light:hover, .hero-content .btn:hover {
  background: transparent !important;
  color: #16202B !important;
  border-color: #D4AA74 !important;
}