#dbl-book-intro{position:fixed;inset:0;z-index:2147483647;display:none;align-items:center;justify-content:center;flex-direction:column;overflow:hidden;isolation:isolate;background:radial-gradient(ellipse at 50% 55%,#51344a 0%,#301b2c 55%,#1d111c 100%);color:#f8f1eb;font-family:'DM Sans',Arial,sans-serif;visibility:visible!important;opacity:1}
#dbl-book-intro *{box-sizing:border-box}
#dbl-book-intro.dbl-intro-out{opacity:0;pointer-events:none;transition:opacity .85s ease}
#dbl-book-intro .dbl-intro-ornament{position:absolute;top:50%;height:min(65vh,460px);width:clamp(75px,13vw,180px);transform:translateY(-50%);color:#d8ad7b;opacity:0;animation:dbl-ornament-appear 2s ease .7s forwards;pointer-events:none}
#dbl-book-intro .dbl-intro-ornament svg{width:100%;height:100%}
#dbl-book-intro .dbl-intro-ornament-left{left:2vw}
#dbl-book-intro .dbl-intro-ornament-right{right:2vw;scale:-1 1}
#dbl-book-intro .dbl-hidden{display:none!important}
#dbl-book-intro .dbl-intro-book-scene{position:relative;width:min(520px,88vw);height:clamp(200px,34vh,300px);display:grid;place-items:center;perspective:1000px}
#dbl-book-intro .dbl-intro-glow{position:absolute;width:210px;height:140px;border-radius:50%;background:#d8ad7b;filter:blur(75px);opacity:0;animation:dbl-glow 4.2s ease 1s both}
#dbl-book-intro .dbl-intro-book{width:260px;height:170px;position:relative;transform-style:preserve-3d;opacity:0;transform:translateY(35px) scale(.65);animation:dbl-book-enter 1.5s cubic-bezier(.2,.75,.2,1) .1s forwards;filter:drop-shadow(0 22px 18px rgba(0,0,0,.4))}
#dbl-book-intro .dbl-intro-cover{position:absolute;left:-9px;top:7px;width:278px;height:166px;background:#2a1727;border:2px solid #d8ad7b;border-radius:7px 7px 17px 17px;clip-path:polygon(0 0,48% 6%,50% 11%,52% 6%,100% 0,100% 100%,52% 93%,50% 98%,48% 93%,0 100%)}
#dbl-book-intro .dbl-intro-page{position:absolute;top:10px;width:129px;height:151px;background:linear-gradient(100deg,#f3e5d5,#fff9ef 65%,#e8d1ba);border:2px solid #d8ad7b;overflow:hidden;box-shadow:inset 0 0 0 7px rgba(216,173,123,.10)}
#dbl-book-intro .dbl-intro-page-left{left:1px;clip-path:polygon(0 0,100% 8%,100% 100%,0 93%);border-radius:4px 0 0 11px}
#dbl-book-intro .dbl-intro-page-right{right:1px;clip-path:polygon(0 8%,100% 0,100% 93%,0 100%);border-radius:0 4px 11px 0}
#dbl-book-intro .dbl-intro-page-lines{position:absolute;inset:36px 18px;background:repeating-linear-gradient(to bottom,transparent 0 13px,rgba(168,120,89,.36) 13px 14px)}
#dbl-book-intro .dbl-intro-spine{position:absolute;left:129px;top:17px;width:2px;height:145px;background:#b78662;box-shadow:0 0 6px rgba(85,41,38,.35)}
#dbl-book-intro .dbl-intro-turn{position:absolute;top:12px;left:130px;width:126px;height:147px;background:linear-gradient(90deg,#f2e2ce 0%,#fffaf1 75%,#d9b99b 100%);border:1px solid #d8ad7b;border-radius:0 5px 9px 0;transform-origin:left center;backface-visibility:visible;box-shadow:inset -8px 0 18px rgba(138,87,64,.09);opacity:0}
#dbl-book-intro .dbl-intro-turn:after{content:'';position:absolute;inset:29px 15px;background:repeating-linear-gradient(to bottom,transparent 0 13px,rgba(168,120,89,.35) 13px 14px)}
#dbl-book-intro .dbl-intro-turn-one{animation:dbl-turn 1.05s ease-in-out 1.4s forwards}
#dbl-book-intro .dbl-intro-turn-two{animation:dbl-turn 1.05s ease-in-out 2.4s forwards}
#dbl-book-intro .dbl-intro-turn-three{animation:dbl-turn 1.05s ease-in-out 3.4s forwards}
#dbl-book-intro .dbl-intro-copy{text-align:center;position:relative;z-index:2;margin-top:10px;padding:0 18px;opacity:0;transform:translateY(14px);animation:dbl-copy-enter 1.1s ease 3.75s forwards}
#dbl-book-intro .dbl-intro-logo{display:block;margin:0 auto 8px;width:auto;height:auto;max-width:min(175px,45vw);max-height:75px;object-fit:contain;filter:brightness(0) saturate(100%) invert(76%) sepia(24%) saturate(536%) hue-rotate(344deg) brightness(96%) contrast(88%)}
#dbl-book-intro .dbl-intro-headline{font-family:'Cormorant Garamond',Georgia,serif;font-size:clamp(34px,5vw,58px);font-weight:500;line-height:1.05;color:#f8f1eb}
#dbl-book-intro .dbl-intro-subline{margin-top:13px;color:#e3c095;font-size:clamp(13px,2vw,17px);letter-spacing:.08em;line-height:1.5}
#dbl-book-intro .dbl-intro-particles{position:absolute;inset:0;overflow:hidden;pointer-events:none}
#dbl-book-intro .dbl-particle{position:absolute;left:50%;top:46%;color:#e5bf89;opacity:0;font-size:var(--size);animation:dbl-particle-float var(--travel) ease-out var(--delay) both;text-shadow:0 0 9px rgba(216,173,123,.65)}
#dbl-book-intro .dbl-particle.dbl-snow{color:#f8f1eb;text-shadow:0 0 8px rgba(255,255,255,.55)}
@keyframes dbl-book-enter{to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes dbl-turn{0%{opacity:0;transform:rotateY(0)}2%{opacity:1}90%{opacity:1}100%{opacity:0;transform:rotateY(-178deg)}}
@keyframes dbl-copy-enter{to{opacity:1;transform:translateY(0)}}
@keyframes dbl-glow{0%{opacity:0;scale:.4}60%{opacity:.28}100%{opacity:.12;scale:1.65}}
@keyframes dbl-ornament-appear{to{opacity:.63}}
@keyframes dbl-particle-float{0%{opacity:0;transform:translate(0,30px) scale(.4) rotate(0)}25%{opacity:.95}85%{opacity:.8}100%{opacity:0;transform:translate(var(--dx),var(--dy)) scale(1.2) rotate(var(--rot))}}
@media(max-width:600px){#dbl-book-intro .dbl-intro-book-scene{height:245px}#dbl-book-intro .dbl-intro-book{scale:.77}#dbl-book-intro .dbl-intro-ornament{width:64px;height:250px;opacity:.4}#dbl-book-intro .dbl-intro-ornament-left{left:-12px}#dbl-book-intro .dbl-intro-ornament-right{right:-12px}#dbl-book-intro .dbl-intro-logo{max-height:60px}#dbl-book-intro .dbl-intro-copy{margin-top:0}}
@media(prefers-reduced-motion:reduce){#dbl-book-intro{display:none!important}}

/* v2.1: vloeiender omslaan met glanzende gouden paginarand */
#dbl-book-intro .dbl-intro-turn{background:linear-gradient(105deg,#cba986 0%,#fffaf0 14%,#f6e6d4 45%,#fff8e9 76%,#bd8e6a 100%);border:1px solid #e4bc83;box-shadow:inset -11px 0 16px rgba(126,69,48,.14),0 3px 9px rgba(30,15,26,.23)}
#dbl-book-intro .dbl-intro-turn-one{animation:dbl-turn-magic 1.3s cubic-bezier(.48,.04,.24,1) 1.25s forwards}
#dbl-book-intro .dbl-intro-turn-two{animation:dbl-turn-magic 1.3s cubic-bezier(.48,.04,.24,1) 2.55s forwards}
#dbl-book-intro .dbl-intro-turn-three{animation:dbl-turn-magic 1.3s cubic-bezier(.48,.04,.24,1) 3.85s forwards}
@keyframes dbl-turn-magic{0%{opacity:0;transform:rotateY(0deg) skewY(0deg)}2%{opacity:1}25%{transform:rotateY(-32deg) skewY(-3deg)}55%{transform:rotateY(-95deg) skewY(2deg)}85%{opacity:1;transform:rotateY(-157deg) skewY(-1deg)}100%{opacity:0;transform:rotateY(-179deg) skewY(0deg)}}
#dbl-book-intro .dbl-intro-sound-enable{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:10;background:rgba(48,27,44,.7);border:1px solid rgba(216,173,123,.65);border-radius:30px;padding:9px 17px;color:#f8f1eb;font:12px 'DM Sans',sans-serif;cursor:pointer}
#dbl-book-intro .dbl-intro-sound-enable:hover{background:#503349}
#dbl-book-intro .dbl-intro-sound-enable[hidden]{display:none!important}


/* v3.0: beeldvullende, zichzelf tekenende gouden krullen */
#dbl-book-intro .dbl-intro-flourishes{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
#dbl-book-intro .dbl-flourish-canvas{width:100%;height:100%;display:block;overflow:visible}
#dbl-book-intro .dbl-draw-path{fill:none;stroke:url(#dbl-flourish-gold);stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke;stroke-dasharray:2200;stroke-dashoffset:2200;opacity:.88;filter:drop-shadow(0 0 4px rgba(216,173,123,.5));animation:dbl-flourish-draw var(--draw-time,4s) cubic-bezier(.24,.6,.25,1) var(--draw-delay,0s) forwards}
#dbl-book-intro .dbl-draw-path.dbl-leaf{stroke-width:1.55;opacity:.75}
@keyframes dbl-flourish-draw{0%{stroke-dashoffset:2200;opacity:.1}65%{opacity:1}100%{stroke-dashoffset:0;opacity:.83}}
#dbl-book-intro .dbl-intro-book-scene{z-index:3}
#dbl-book-intro .dbl-intro-copy{z-index:4}
#dbl-book-intro .dbl-intro-particles{z-index:2}
#dbl-book-intro .dbl-intro-book{perspective:1000px;transform-style:preserve-3d}
#dbl-book-intro .dbl-intro-turn{opacity:0;transform:rotateY(0deg);transform-style:preserve-3d;backface-visibility:visible;will-change:transform;box-shadow:inset -16px 0 22px rgba(122,70,45,.16),2px 2px 9px rgba(18,8,16,.28)}
#dbl-book-intro .dbl-intro-turn::before{content:"";position:absolute;inset:0;backface-visibility:hidden;border-radius:inherit;background:linear-gradient(92deg,rgba(178,121,77,.23),transparent 22%,rgba(255,255,255,.36) 66%,rgba(133,83,54,.18));pointer-events:none}
#dbl-book-intro .dbl-intro-turn::after{inset:28px 18px;background:repeating-linear-gradient(to bottom,transparent 0 13px,rgba(168,120,89,.30) 13px 14px);backface-visibility:hidden}
#dbl-book-intro .dbl-intro-turn i{position:absolute;inset:0;display:block;transform:rotateY(180deg) translateZ(1px);backface-visibility:hidden;background:linear-gradient(90deg,#d5b797,#fff9ec 18%,#f5e4cf 78%,#cda786);border-radius:inherit;pointer-events:none}
#dbl-book-intro .dbl-intro-turn-one{z-index:8;animation:dbl-real-turn 1.7s cubic-bezier(.48,.05,.18,.98) 1.45s forwards}
#dbl-book-intro .dbl-intro-turn-two{z-index:7;animation:dbl-real-turn 1.7s cubic-bezier(.48,.05,.18,.98) 3.05s forwards}
#dbl-book-intro .dbl-intro-turn-three{z-index:6;animation:dbl-real-turn 1.7s cubic-bezier(.48,.05,.18,.98) 4.65s forwards}
#dbl-book-intro .dbl-intro-spine{z-index:9}
@keyframes dbl-real-turn{0%{opacity:0;transform:rotateY(0deg) skewY(0deg)}2%{opacity:1}18%{transform:rotateY(-22deg) skewY(-2deg)}45%{transform:rotateY(-82deg) skewY(2deg)}70%{transform:rotateY(-145deg) skewY(-1deg)}95%{opacity:1;transform:rotateY(-177deg) skewY(0deg)}100%{opacity:0;transform:rotateY(-179deg)}}
#dbl-book-intro .dbl-intro-copy{animation:dbl-copy-enter 1.15s ease 5.3s forwards}
@media(max-width:600px){#dbl-book-intro .dbl-draw-path{stroke-width:1.5}#dbl-book-intro .dbl-intro-flourishes{opacity:.85}}

/* v3.1: tekst en logo direct bij het boek, geen vertraagde entree */
#dbl-book-intro .dbl-intro-copy{opacity:1;transform:none;animation:dbl-copy-now .8s ease .25s both}
@keyframes dbl-copy-now{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
/* mobiel: eigen zij-ornamenten met behoud van verhoudingen, zonder blaadjes */
#dbl-book-intro .dbl-mobile-flourishes{display:none;position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
@media(max-width:767px){
 #dbl-book-intro .dbl-intro-flourishes{display:none!important}
 #dbl-book-intro .dbl-mobile-flourishes{display:block}
 #dbl-book-intro .dbl-mobile-flourish{position:absolute;top:0;height:100%;width:46%;overflow:hidden}
 #dbl-book-intro .dbl-mobile-flourish.left{left:0}
 #dbl-book-intro .dbl-mobile-flourish.right{right:0;transform:scaleX(-1)}
 #dbl-book-intro .dbl-mobile-flourish .dbl-draw-path{stroke-width:1.55;opacity:.78}
 #dbl-book-intro .dbl-intro-book-scene{height:clamp(205px,32vh,260px)}
 #dbl-book-intro .dbl-intro-copy{margin-top:2px}
}