:root{
  --ink:#26302a; --soft:#5d6b60; --paper:#eef7ee; --gold:#b98f4f; --green:#7fb08a; --line:#dbe7dd;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Georgia","Times New Roman",serif;color:var(--ink);
  position:relative;line-height:1.65;-webkit-font-smoothing:antialiased;
  background:linear-gradient(165deg,#e9f5ec 0%,#ffffff 52%,#e3f1e9 100%);
  background-attachment:fixed;overflow-x:hidden}
/* frisse, rustig bewegende pastelgroene gloed die naar wit wegloopt */
body::before{content:"";position:fixed;inset:-20vmax;z-index:-1;pointer-events:none;
  background:
    radial-gradient(38vmax 38vmax at 20% 16%, rgba(140,200,162,.36), transparent 60%),
    radial-gradient(34vmax 34vmax at 84% 24%, rgba(186,224,201,.40), transparent 62%),
    radial-gradient(42vmax 42vmax at 62% 98%, rgba(214,238,222,.55), transparent 60%),
    radial-gradient(26vmax 26vmax at 90% 86%, rgba(206,186,146,.16), transparent 60%);
  filter:blur(4px);animation:drift 20s ease-in-out infinite alternate}
@keyframes drift{
  0%{transform:translate3d(-3%,-2%,0) scale(1)}
  50%{transform:translate3d(3%,2%,0) scale(1.07)}
  100%{transform:translate3d(-2%,3%,0) scale(1.03)}}

.wrap{max-width:1040px;margin:0 auto;padding:0 22px}
header.hero{text-align:center;padding:8vh 22px 3vh}
.kicker{letter-spacing:.32em;text-transform:uppercase;font-size:12px;color:var(--gold);margin:0 0 18px}
h1{font-weight:400;font-size:clamp(30px,5.4vw,52px);line-height:1.1;margin:0 0 14px}
.lead{max-width:34em;margin:0 auto;color:var(--soft);font-size:clamp(16px,2vw,19px)}

/* ── interactieve 3D-boekenrij ── */
.scene{display:flex;gap:clamp(16px,4vw,50px);justify-content:center;flex-wrap:wrap;
  padding:6vh 0 3vh;perspective:1500px;perspective-origin:50% 40%}
.book{width:min(210px,42vw);cursor:pointer;animation:floaty 6.5s ease-in-out infinite}
.book:nth-child(2){animation-delay:.9s}
.book:nth-child(3){animation-delay:1.8s}
.book:nth-child(4){animation-delay:2.7s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
.cover{position:relative;transform-style:preserve-3d;
  transform:rotateX(var(--rx,7deg)) rotateY(var(--ry,-22deg)) scale(var(--sc,1));
  transition:transform .45s cubic-bezier(.2,.7,.2,1)}
.pane{position:relative;transform-style:preserve-3d;border-radius:4px 9px 9px 4px;
  animation:turn 7s ease-in-out infinite}
.book:nth-child(2) .pane{animation-delay:.6s}
.book:nth-child(3) .pane{animation-delay:1.2s}
.book:nth-child(4) .pane{animation-delay:1.8s}
@keyframes turn{0%,100%{transform:rotateY(-7deg)}50%{transform:rotateY(7deg)}}
.book:hover{animation-play-state:paused}
.book:hover .pane{animation-play-state:paused}
.book:hover .cover{--sc:1.06}
.pane img{display:block;width:100%;border-radius:4px 9px 9px 4px;
  box-shadow:-20px 28px 44px rgba(40,60,45,.30);backface-visibility:hidden;transition:box-shadow .5s ease}
.book:hover .pane img{box-shadow:-22px 30px 54px rgba(40,60,45,.38), 0 0 0 1px rgba(185,143,79,.5)}
.pane::before{content:"";position:absolute;top:0;left:0;width:30px;height:100%;
  transform-origin:right center;transform:translateX(-30px) rotateY(90deg);
  background:linear-gradient(90deg,#6f5a34,#b9905a 55%,#846a40);border-radius:4px 0 0 4px}
.pane::after{content:"";position:absolute;top:3px;bottom:3px;right:0;width:28px;
  transform-origin:left center;transform:rotateY(-90deg);
  background:repeating-linear-gradient(to bottom,#fffdf8 0 2px,#e4d6bd 2px 3px);border-radius:0 3px 3px 0}
.sheen{position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(105deg,transparent 34%,rgba(255,255,255,.55) 49%,transparent 64%);
  background-size:250% 250%;background-position:var(--sx,15%) 0%;
  mix-blend-mode:screen;transition:background-position .25s ease}
.book .naam{text-align:center;margin-top:20px;font-size:15px;color:var(--soft)}
.kijkhint{display:block;text-align:center;margin-top:6px;font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold);opacity:0;transition:opacity .3s ease}
.book:hover .kijkhint{opacity:1}
@media (prefers-reduced-motion:reduce){ .book,.pane,body::before{animation:none} }

section{padding:5vh 0}
h2{font-weight:400;font-size:clamp(22px,3.2vw,32px);text-align:center;margin:0 0 10px}
.sub{text-align:center;color:var(--soft);max-width:38em;margin:0 auto 40px}

.kaarten{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px}
.kaart{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:16px;
  padding:22px;text-align:center;backdrop-filter:blur(4px);transition:transform .3s ease, box-shadow .3s ease}
.kaart:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(60,90,65,.14)}
.kaart img{width:120px;border-radius:3px 6px 6px 3px;box-shadow:-8px 12px 22px rgba(40,60,45,.24);margin-bottom:14px}
.kaart h3{font-weight:500;font-size:18px;margin:0 0 4px}
.kaart .geloof{color:var(--gold);font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.inkijk-knop{margin:0 auto 14px;display:inline-block;border:1px solid var(--line);background:#fff;
  color:var(--soft);border-radius:9px;padding:7px 15px;font-family:inherit;font-size:13px;letter-spacing:.05em;
  cursor:pointer;transition:border-color .2s,color .2s,background .2s}
.inkijk-knop:hover{border-color:var(--green);color:var(--ink);background:#f5fbf6}
.prijsrij{display:flex;flex-direction:column;gap:9px;margin-top:2px}
.koop{display:flex;align-items:center;justify-content:space-between;gap:10px;
  border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:#fff;
  text-decoration:none;color:var(--ink);font-size:15px;transition:border-color .2s,background .2s,transform .2s}
.koop:hover{border-color:var(--green);background:#f7fcf8;transform:translateY(-1px)}
.koop .form{color:var(--soft);font-size:13px}
.koop .prijs{font-weight:600}
.koop.hc{background:linear-gradient(#fff,#f0f7f1)}

.concept{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:20px;margin-top:22px}
.stap{background:rgba(255,255,255,.6);border:1px solid var(--line);border-radius:14px;padding:20px;transition:transform .3s ease}
.stap:hover{transform:translateY(-3px)}
.stap b{display:block;font-weight:600;margin-bottom:6px}
.stap p{margin:0;color:var(--soft);font-size:15px}

.school{margin-top:40px;text-align:center;background:rgba(127,176,138,.12);
  border:1px solid rgba(127,176,138,.4);border-radius:16px;padding:26px}
.school b{font-size:19px}

footer{text-align:center;color:var(--soft);font-size:14px;padding:6vh 22px 8vh}
footer a{color:var(--soft)}
.talen{margin-top:10px;font-size:13px;display:block}
.talen a{margin:0 6px;color:var(--gold);text-decoration:none}

/* ── inkijk (flipbook) ── */
.lightbox{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;
  background:rgba(22,32,25,.74);backdrop-filter:blur(7px);padding:4vh 2vw}
.lightbox[hidden]{display:none}
.lb-frame{margin:0;max-width:min(560px,92vw);display:flex;flex-direction:column;align-items:center}
.lb-img{max-width:100%;max-height:82vh;border-radius:8px;background:#fff;
  box-shadow:0 24px 60px rgba(0,0,0,.5);animation:pop .35s cubic-bezier(.2,.8,.2,1)}
@keyframes pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
.lb-cap{color:#eef7ee;font-size:14px;margin-top:12px;letter-spacing:.05em}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);border:none;cursor:pointer;
  width:54px;height:54px;border-radius:50%;font-size:30px;color:#3a4a3c;background:rgba(255,255,255,.92);
  box-shadow:0 6px 20px rgba(0,0,0,.3);transition:background .2s,transform .2s}
.lb-nav:hover{background:#fff;transform:translateY(-50%) scale(1.07)}
.lb-prev{left:max(12px,3vw)} .lb-next{right:max(12px,3vw)}
.lb-sluit{position:absolute;top:16px;right:22px;border:none;background:none;color:#eef7ee;font-size:34px;cursor:pointer;line-height:1}
.lb-teller{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);color:#dfeee2;font-size:13px;letter-spacing:.1em}

.legal{margin:14px auto 0;font-size:12px;color:var(--soft);max-width:46em;line-height:1.5}