/* trebor.digital — Robert Orús Salvador (TREBOR)
   Art, poesia i geometria sagrada · v2 */

:root{
  --tinta:#1B1720;
  --tinta-suau:#3A3340;
  --crema:#FBF8F2;
  --crema-fosc:#F1EBE0;
  --gris:#6B6472;
  --magenta:#9B2C6F;
  --oliva:#8C9B2E;
  --taronja:#E28A31;
  --or:#D9A93C;
  --turquesa:#3E9E9A;
  --linia:rgba(27,23,32,.12);
  --ombra:0 18px 50px -20px rgba(27,23,32,.35);
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Karla",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --max:1180px;
  --pad:clamp(1.25rem,5vw,2.5rem);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:4.5rem}
body{
  margin:0;background:var(--crema);color:var(--tinta);
  font-family:var(--sans);font-size:17px;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--or);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--or);color:var(--tinta);padding:.6rem 1rem;z-index:100;font-weight:700}
.skip:focus{left:1rem;top:1rem}

/* ---------- Bilingüe ---------- */
body.lang-ca .es{display:none!important}
body.lang-es .ca{display:none!important}

/* ---------- Tipografia ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.1;margin:0;letter-spacing:-.005em}
h1{font-size:clamp(2.8rem,6.5vw,5.2rem)}
h2{font-size:clamp(2.1rem,4.4vw,3.3rem)}
h3{font-size:clamp(1.35rem,2.4vw,1.75rem)}
p{margin:0 0 1.1em}
h2+.lead,h3+.lead{margin-top:1.3rem}
h3+p{margin-top:1rem}
.eyebrow{
  font-family:var(--sans);font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--magenta);font-weight:700;margin:0 0 1.1rem;display:flex;align-items:center;gap:.7rem;
}
.eyebrow::before{content:"";width:1.6rem;height:1px;background:currentColor;opacity:.7}
.lead{font-size:clamp(1.1rem,2vw,1.3rem);color:var(--tinta-suau);line-height:1.6}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
section{padding:clamp(4.5rem,9vw,7.5rem) 0}
.accions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2.2rem}
.enllac-petit{font-size:.82rem;text-decoration:none;border-bottom:1px solid var(--linia);color:var(--magenta)}
.enllac-petit:hover{border-bottom-color:var(--magenta)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s cubic-bezier(.2,.65,.2,1),transform .8s cubic-bezier(.2,.65,.2,1)}
.reveal.vist{opacity:1;transform:none}
.galeria .reveal:nth-child(2){transition-delay:.08s}.galeria .reveal:nth-child(3){transition-delay:.16s}
.galeria .reveal:nth-child(5){transition-delay:.08s}.galeria .reveal:nth-child(6){transition-delay:.16s}
.elements .reveal:nth-child(2){transition-delay:.08s}.elements .reveal:nth-child(3){transition-delay:.16s}.elements .reveal:nth-child(4){transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
.no-js .reveal{opacity:1;transform:none}

/* ---------- Capçalera ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,248,242,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s;
}
header.scrolled{border-bottom-color:var(--linia);box-shadow:0 6px 24px -18px rgba(27,23,32,.4)}
.nav{display:flex;align-items:center;gap:1.5rem;padding:.85rem var(--pad);max-width:var(--max);margin:0 auto}
.brand{font-family:var(--serif);font-size:1.55rem;font-weight:700;letter-spacing:.18em;text-decoration:none;margin-right:auto}
.brand span{color:var(--magenta)}
.nav-links{display:flex;gap:1.5rem;list-style:none;margin:0;padding:0}
.nav-links a{text-decoration:none;font-size:.88rem;color:var(--tinta-suau);padding:.2rem 0;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--magenta);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-links a:hover::after,.nav-links a.activa::after{transform:scaleX(1)}
.nav-links a.activa{color:var(--tinta)}
.nav-links a.nav-cta{color:var(--magenta);font-weight:700}
.lang{display:flex;gap:.1rem;align-items:center;font-size:.76rem;letter-spacing:.08em}
.lang button{background:none;border:none;cursor:pointer;font:inherit;color:var(--gris);padding:.25rem .5rem;border-radius:3px}
.lang button[aria-pressed="true"]{color:var(--tinta);font-weight:700;background:var(--crema-fosc)}
.burger{display:none;background:none;border:none;cursor:pointer;padding:.4rem;color:var(--tinta)}
.burger svg{display:block}
.burger svg path{transition:transform .25s,opacity .2s;transform-origin:center}
.burger[aria-expanded="true"] .l1{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] .l2{opacity:0}
.burger[aria-expanded="true"] .l3{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--tinta);color:var(--crema);
  padding:clamp(4rem,9vw,7rem) 0 clamp(4.5rem,9vw,7rem);min-height:calc(100vh - 4rem);
  display:flex;align-items:center;
  background-image:radial-gradient(ellipse at 20% 0%,rgba(155,44,111,.22),transparent 55%),radial-gradient(ellipse at 90% 100%,rgba(217,169,60,.14),transparent 50%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;width:100%}
.hero .eyebrow{color:var(--or)}
.hero h1{color:#fff}
.hero h1 em{font-style:italic;font-weight:500;color:var(--or)}
.hero .lead{color:rgba(251,248,242,.78);max-width:40ch;margin-top:1.6rem}
.hero-name{margin-top:1.4rem;font-size:.78rem;letter-spacing:.26em;text-transform:uppercase;color:rgba(251,248,242,.55)}
.hero-cta{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2.4rem}
.hero-obra{margin:0;position:relative;justify-self:end;width:min(100%,520px)}
.hero-obra .lb{display:block;background:#fff;padding:clamp(.6rem,1.4vw,1rem);box-shadow:0 40px 80px -30px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.06);transform:rotate(-1.2deg);transition:transform .5s cubic-bezier(.2,.65,.2,1)}
.hero-obra .lb:hover{transform:rotate(0) scale(1.015)}
.hero-obra figcaption{margin-top:1rem;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(251,248,242,.5);text-align:right}
.mandala-bg{
  position:absolute;right:-6%;top:50%;transform:translateY(-50%);
  width:min(80vw,880px);opacity:.28;pointer-events:none;z-index:1;
  animation:gir 240s linear infinite;
}
@keyframes gir{to{transform:translateY(-50%) rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.mandala-bg{animation:none}}
.scroll-hint{position:absolute;left:50%;bottom:1.4rem;z-index:2;width:1.4rem;height:2.4rem;border:1px solid rgba(251,248,242,.3);border-radius:1rem;transform:translateX(-50%)}
.scroll-hint span{position:absolute;left:50%;top:.5rem;width:3px;height:6px;margin-left:-1.5px;border-radius:2px;background:var(--or);animation:baixa 1.8s ease-in-out infinite}
@keyframes baixa{0%{transform:translateY(0);opacity:1}70%{transform:translateY(.9rem);opacity:0}100%{opacity:0}}
@media (prefers-reduced-motion:reduce){.scroll-hint span{animation:none}}

/* ---------- Botons ---------- */
.btn{
  display:inline-block;text-decoration:none;font-size:.84rem;letter-spacing:.12em;
  text-transform:uppercase;font-weight:700;padding:.95rem 1.7rem;border:1px solid currentColor;
  transition:background .2s,color .2s,border-color .2s,transform .2s;cursor:pointer;font-family:var(--sans);
}
.btn:active{transform:translateY(1px)}
.btn-or{background:var(--or);border-color:var(--or);color:var(--tinta)}
.btn-or:hover{background:transparent;color:var(--or)}
.btn-ghost{color:rgba(251,248,242,.85);border-color:rgba(251,248,242,.4)}
.btn-ghost:hover{background:rgba(251,248,242,.1);color:#fff;border-color:#fff}
.btn-tinta{background:var(--tinta);border-color:var(--tinta);color:var(--crema)}
.btn-tinta:hover{background:transparent;color:var(--tinta)}
.btn-linia{color:var(--tinta);border-color:var(--tinta)}
.btn-linia:hover{background:var(--tinta);color:var(--crema)}

/* ---------- Franja exposició ---------- */
.franja{background:var(--magenta);color:#fff;padding:1rem 0;font-size:.93rem}
.franja .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem 1.1rem}
.franja strong{letter-spacing:.04em}
.franja .punt{opacity:.55}
.franja a{margin-left:auto;color:#fff;text-decoration:underline;text-underline-offset:4px;font-size:.86rem}

/* ---------- Graella genèrica ---------- */
.dues{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.intro{max-width:62ch;margin-bottom:3rem}
.nota-galeria{font-size:.8rem;color:var(--gris);letter-spacing:.04em}

/* ---------- Exposició destacada ---------- */
.destacada{background:var(--crema-fosc)}
.dues.expo{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}
.cartell{margin:0;background:#fff;border:1px solid var(--linia);padding:.9rem;box-shadow:var(--ombra)}
.cartell .lb{display:block;overflow:hidden}
.cartell img{width:100%;transition:transform .6s cubic-bezier(.2,.65,.2,1)}
.cartell .lb:hover img{transform:scale(1.02)}
.cartell figcaption{padding:.85rem .3rem .25rem;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gris);font-weight:700;text-align:center}
.dades{list-style:none;margin:1.8rem 0 0;padding:0;border-top:1px solid var(--linia)}
.dades li{display:grid;grid-template-columns:9.5rem 1fr;gap:1rem;padding:.85rem 0;border-bottom:1px solid var(--linia);font-size:.95rem}
.dades .k{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gris);font-weight:700;padding-top:.28rem}

/* ---------- Elements ---------- */
.elements{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-top:3.5rem}
.element{padding:1.8rem 1.5rem;background:#fff;border-top:4px solid;position:relative;transition:transform .3s,box-shadow .3s}
.element:hover{transform:translateY(-4px);box-shadow:var(--ombra)}
.element:nth-child(1){border-color:var(--taronja)}
.element:nth-child(2){border-color:var(--oliva)}
.element:nth-child(3){border-color:var(--turquesa)}
.element:nth-child(4){border-color:var(--magenta)}
.element h3{font-size:1.3rem;margin-bottom:.5rem}
.element p{font-size:.93rem;color:var(--gris);margin:0}

/* ---------- Galeria ---------- */
.galeria{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.peca{position:relative;background:#fff;border:1px solid var(--linia);overflow:hidden;margin:0;transition:box-shadow .3s,transform .3s}
.peca:hover{box-shadow:var(--ombra);transform:translateY(-3px)}
.peca .marc{aspect-ratio:1/1;display:block;background:#fff;overflow:hidden;position:relative}
.peca .marc img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.65,.2,1)}
.peca:hover .marc img{transform:scale(1.04)}
.peca .marc::after{content:"⤢";position:absolute;right:.7rem;bottom:.7rem;width:2rem;height:2rem;display:grid;place-items:center;background:rgba(27,23,32,.8);color:#fff;font-size:.95rem;opacity:0;transition:opacity .25s}
.peca:hover .marc::after{opacity:1}
.peca figcaption{padding:.95rem 1.1rem;border-top:1px solid var(--linia)}
.peca figcaption b{display:block;font-family:var(--serif);font-size:1.15rem;font-weight:600}
.peca figcaption>span{font-size:.8rem;color:var(--gris)}
.dues.mostra{margin-top:clamp(3rem,6vw,5rem);align-items:center}
.mostra-img{margin:0;background:#fff;border:1px solid var(--linia);padding:.9rem;box-shadow:var(--ombra)}
.mostra-img img{width:100%}
.mostra-img figcaption{padding:.8rem .3rem .2rem;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gris);font-weight:700;text-align:center}

/* ---------- Vídeo ---------- */
.video-mostra{background:var(--crema-fosc)}
.reproductor{margin:0;background:#fff;border:1px solid var(--linia);padding:.9rem;max-width:900px;box-shadow:var(--ombra)}
.reproductor video{width:100%;height:auto;display:block;background:#000;aspect-ratio:4/3}
.reproductor figcaption{padding:.85rem .3rem .2rem;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gris);font-weight:700;text-align:center}

/* ---------- Llibres ---------- */
.llibre{background:var(--tinta);color:var(--crema);background-image:radial-gradient(ellipse at 100% 0%,rgba(155,44,111,.18),transparent 50%)}
.llibre .eyebrow{color:var(--or)}
.llibre h2,.llibre h3{color:#fff}
.llibre .lead{color:rgba(251,248,242,.78)}
.llibre .dades,.llibre .dades li{border-color:rgba(251,248,242,.16)}
.llibre .dades .k{color:rgba(251,248,242,.5)}
.portada{background:rgba(251,248,242,.06);border:1px solid rgba(251,248,242,.18);padding:1rem}
.portada .lb{display:block}
.portada img{width:100%;box-shadow:0 30px 60px -25px rgba(0,0,0,.8)}
.vers{font-family:var(--serif);font-size:clamp(1.4rem,3vw,2rem);line-height:1.45;color:var(--or);font-style:italic;margin:2.5rem 0 0;padding-left:1.4rem;border-left:2px solid var(--or)}
.vers-petit{font-size:clamp(1.15rem,2.2vw,1.45rem)}
.segon-llibre{margin-top:clamp(3.5rem,7vw,6rem);padding-top:clamp(3rem,6vw,4.5rem);border-top:1px solid rgba(251,248,242,.16);align-items:center}
.portada-llibre{background:rgba(251,248,242,.06);border:1px solid rgba(251,248,242,.18);padding:1rem;max-width:400px}
.portada-llibre img{width:100%;box-shadow:0 30px 60px -25px rgba(0,0,0,.8)}
.cita-font{display:block;margin-top:.9rem;font-family:var(--sans);font-style:normal;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(251,248,242,.5);font-weight:700}
.tres-llibres{margin:clamp(2.5rem,5vw,3.5rem) 0 0;padding-top:1.6rem;border-top:1px solid rgba(251,248,242,.16);font-size:.95rem;color:rgba(251,248,242,.7)}

/* ---------- Trajectòria ---------- */
.linia-temps{list-style:none;margin:3rem 0 0;padding:0}
.linia-temps li{display:grid;grid-template-columns:6.5rem 1fr;gap:clamp(1rem,3vw,2.5rem);padding:1.6rem 0;border-top:1px solid var(--linia)}
.linia-temps li:last-child{border-bottom:1px solid var(--linia)}
.any{font-family:var(--serif);font-size:1.9rem;color:var(--magenta);line-height:1}
.linia-temps h3{font-size:1.2rem;margin-bottom:.3rem}
.linia-temps p{font-size:.94rem;color:var(--gris);margin:0}

/* ---------- Biografia ---------- */
.dues.bio{align-items:center}
.retrat{border:1px solid var(--linia);background:#fff;padding:.9rem;max-width:440px;box-shadow:var(--ombra)}
.retrat img{width:100%;aspect-ratio:4/5;object-fit:cover}
.xifres{list-style:none;margin:2.2rem 0 0;padding:1.6rem 0 0;border-top:1px solid var(--linia);display:flex;flex-wrap:wrap;gap:2rem}
.xifres li{display:flex;flex-direction:column;font-size:.8rem;color:var(--gris);letter-spacing:.04em}
.xifres b{font-family:var(--serif);font-size:2.4rem;line-height:1;color:var(--magenta);font-weight:600}

/* ---------- Contacte ---------- */
.contacte{background:var(--crema-fosc)}
.canals{list-style:none;margin:2.4rem 0 0;padding:0;display:grid;gap:1rem}
.canals a{display:flex;justify-content:space-between;align-items:center;gap:1rem;background:#fff;border:1px solid var(--linia);padding:1.1rem 1.4rem;text-decoration:none;transition:border-color .2s,transform .2s}
.canals a:hover{border-color:var(--magenta);transform:translateX(3px)}
.canals .et{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gris);font-weight:700}
.canals .val{font-family:var(--serif);font-size:1.15rem}
.form{background:#fff;border:1px solid var(--linia);padding:clamp(1.4rem,3vw,2.2rem);box-shadow:var(--ombra)}
.camp{margin-bottom:1.1rem}
.camp label{display:block;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gris);font-weight:700;margin-bottom:.4rem}
.camp input,.camp select,.camp textarea{width:100%;font:inherit;font-size:1rem;padding:.75rem .9rem;border:1px solid var(--linia);background:var(--crema);color:var(--tinta);border-radius:0;transition:border-color .2s,box-shadow .2s}
.camp input:focus,.camp select:focus,.camp textarea:focus{outline:none;border-color:var(--magenta);box-shadow:0 0 0 3px rgba(155,44,111,.12)}
.camp textarea{resize:vertical;min-height:7rem}
.camp-web{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.84rem;color:var(--tinta-suau);margin:0 0 1.4rem;line-height:1.5}
.check input{margin-top:.25rem;accent-color:var(--magenta)}
.check a{color:var(--magenta)}
.form .btn{width:100%}
.form-estat{margin:1rem 0 0;font-size:.9rem;min-height:1.4em}
.form-estat.ok{color:#2c7a4b}
.form-estat.error{color:#b3261e}

/* ---------- Peu ---------- */
footer{background:var(--tinta);color:rgba(251,248,242,.62);padding:3.5rem 0 2.5rem;font-size:.88rem}
footer a{color:rgba(251,248,242,.8)}
.peu-top{display:flex;flex-wrap:wrap;gap:1.5rem;align-items:baseline;justify-content:space-between;padding-bottom:2rem;border-bottom:1px solid rgba(251,248,242,.14)}
.peu-marca{font-family:var(--serif);font-size:1.5rem;letter-spacing:.16em;color:#fff}
.peu-lema{margin:.4rem 0 0}
.peu-links{display:flex;flex-wrap:wrap;gap:1.4rem;list-style:none;margin:0;padding:0}
.peu-links a{text-decoration:none}
.peu-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.peu-baix{padding-top:1.6rem;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;justify-content:space-between;font-size:.8rem}
.amunt{position:fixed;right:1.2rem;bottom:1.2rem;z-index:40;width:2.8rem;height:2.8rem;display:grid;place-items:center;background:var(--tinta);color:var(--crema);text-decoration:none;border:1px solid rgba(251,248,242,.2);opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .3s,transform .3s}
.amunt.visible{opacity:1;pointer-events:auto;transform:none}
.amunt:hover{background:var(--magenta)}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(20,16,24,.94);display:flex;align-items:center;justify-content:center;padding:3.5rem 4rem;opacity:0;transition:opacity .25s}
.lightbox[hidden]{display:none}
.lightbox.oberta{opacity:1}
.lightbox figure{margin:0;max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center;gap:.9rem}
.lightbox img{max-width:min(92vw,1100px);max-height:calc(100vh - 8rem);width:auto;height:auto;object-fit:contain;box-shadow:0 40px 80px -20px rgba(0,0,0,.9);background:#fff;padding:.5rem}
.lightbox figcaption{color:rgba(251,248,242,.8);font-size:.85rem;letter-spacing:.06em;text-align:center}
.lightbox button{position:absolute;background:none;border:none;color:#fff;cursor:pointer;font-family:var(--serif);line-height:1;opacity:.7;transition:opacity .2s}
.lightbox button:hover{opacity:1}
.lb-tanca{top:.8rem;right:1.2rem;font-size:2.6rem}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);font-size:3.4rem;padding:1rem}
.lb-prev{left:.6rem}.lb-next{right:.6rem}
.lb-comptador{position:absolute;left:1.4rem;bottom:1rem;color:rgba(251,248,242,.5);font-size:.75rem;letter-spacing:.14em}
body.bloquejat{overflow:hidden}

/* ---------- Modal legal ---------- */
.modal{position:fixed;inset:0;z-index:95;background:rgba(20,16,24,.7);display:flex;align-items:center;justify-content:center;padding:1.5rem}
.modal[hidden]{display:none}
.modal-caixa{position:relative;background:var(--crema);max-width:720px;max-height:85vh;overflow:auto;padding:clamp(1.6rem,4vw,2.8rem);box-shadow:0 40px 80px -20px rgba(0,0,0,.6)}
.modal-caixa h2{font-size:1.7rem;margin:0 0 .8rem}
.modal-caixa #privacitat{margin-top:2rem;padding-top:1.6rem;border-top:1px solid var(--linia)}
.modal-caixa p{font-size:.92rem}
.modal-tanca{position:absolute;top:.6rem;right:.9rem;background:none;border:none;font-size:2rem;cursor:pointer;color:var(--gris);font-family:var(--serif);line-height:1}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr;gap:3rem}
  .hero{min-height:0}
  .hero-obra{justify-self:start;width:min(100%,440px)}
  .hero-obra figcaption{text-align:left}
  .scroll-hint{display:none}
}
@media (max-width:900px){
  .dues,.dues.expo{grid-template-columns:1fr}
  .cartell{max-width:520px}
  .elements{grid-template-columns:repeat(2,1fr)}
  .galeria{grid-template-columns:repeat(2,1fr)}
  .retrat{max-width:none}
  .dues.invers{display:flex;flex-direction:column}
  .portada-llibre{max-width:340px}
}
@media (max-width:760px){
  .burger{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--crema);border-bottom:1px solid var(--linia);padding:.5rem 0;box-shadow:0 20px 40px -20px rgba(27,23,32,.4)}
  .nav-links.obert{display:flex}
  .nav-links li{padding:0 var(--pad)}
  .nav-links a{display:block;padding:.8rem 0;font-size:1rem}
  .nav-links a::after{display:none}
  .franja a{margin-left:0}
  .dades li{grid-template-columns:1fr;gap:.15rem}
  .linia-temps li{grid-template-columns:1fr;gap:.4rem}
  .lightbox{padding:3rem .5rem}
  .lb-prev,.lb-next{font-size:2.6rem;padding:.6rem;bottom:.4rem;top:auto;transform:none;background:rgba(0,0,0,.4)}
  .lb-prev{left:.6rem}.lb-next{right:.6rem}
  .lightbox img{max-height:calc(100vh - 9rem)}
}
@media (max-width:520px){
  .elements,.galeria{grid-template-columns:1fr}
  .xifres{gap:1.4rem}
}
@media print{
  header,.franja,.amunt,.scroll-hint,.mandala-bg,.form,.video-mostra{display:none!important}
  .hero,.llibre,footer{background:#fff!important;color:#000!important}
  .reveal{opacity:1!important;transform:none!important}
}

/* ===================== v3 · Higgsfield ===================== */
/* ---------- Hero amb vídeo ---------- */
.hero-video{position:absolute;inset:0;z-index:0;overflow:hidden;background:var(--tinta)}
.hero-video video{width:100%;height:100%;object-fit:cover;object-position:70% 50%;display:block;opacity:.55;filter:saturate(1.05)}
.hero-vel{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(27,23,32,.96) 0%,rgba(27,23,32,.82) 38%,rgba(27,23,32,.35) 70%,rgba(27,23,32,.55) 100%),
  linear-gradient(180deg,rgba(27,23,32,.35) 0%,transparent 30%,transparent 70%,rgba(27,23,32,.9) 100%)}
.hero .mandala-bg{display:none}
.hero-grid{position:relative;z-index:2}
.hero-obra .lb{box-shadow:0 40px 90px -30px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.08)}
@media (prefers-reduced-motion:reduce){.hero-video video{display:none}.hero-video{background:var(--tinta) url(video/hero-a-poster.jpg) center/cover no-repeat}}
@media (max-width:1000px){.hero-video video{object-position:50% 40%;opacity:.45}.hero-vel{background:linear-gradient(180deg,rgba(27,23,32,.75) 0%,rgba(27,23,32,.55) 50%,rgba(27,23,32,.95) 100%)}}

/* ---------- Llibre en 3D real (CSS) ---------- */
.gir{--w:420px;--t:calc(var(--w) * 0.055);position:relative;aspect-ratio:1/1;background:radial-gradient(ellipse at 50% 62%,rgba(217,169,60,.16),transparent 62%),rgba(251,248,242,.04);border:1px solid rgba(251,248,242,.14);overflow:hidden;display:grid;place-items:center}
.escena{width:var(--w);aspect-ratio:1/1;perspective:1600px;perspective-origin:50% 45%;position:relative;transform:scale(.78)}
.llibre3d{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateX(-6deg) rotateY(0deg);will-change:transform}
.cara{position:absolute;backface-visibility:hidden;overflow:hidden}
.cara img{width:100%;height:100%;object-fit:cover;display:block}
.c-front,.c-back{inset:0;background:#fbf8f2}
.c-front{transform:translateZ(calc(var(--t) / 2))}
.c-back{transform:rotateY(180deg) translateZ(calc(var(--t) / 2))}
.c-spine{top:0;bottom:0;left:calc(50% - var(--t) / 2);width:var(--t);transform:rotateY(-90deg) translateZ(calc(var(--w) / 2));background:#e9e2d4}
.c-edge{top:0;bottom:0;left:calc(50% - var(--t) / 2);width:var(--t);transform:rotateY(90deg) translateZ(calc(var(--w) / 2));background:repeating-linear-gradient(90deg,#f4efe4 0 1px,#e3dccb 1px 2px)}
.c-top,.c-bottom{left:0;right:0;top:calc(50% - var(--t) / 2);height:var(--t);background:repeating-linear-gradient(0deg,#f4efe4 0 1px,#e3dccb 1px 2px)}
.c-top{transform:rotateX(90deg) translateZ(calc(var(--w) / 2))}
.c-bottom{transform:rotateX(-90deg) translateZ(calc(var(--w) / 2))}
.c-front::after,.c-back::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(255,255,255,.18) 0%,rgba(255,255,255,0) 35%,rgba(0,0,0,0) 65%,rgba(0,0,0,.18) 100%);pointer-events:none}
.c-front::before,.c-back::before{content:"";position:absolute;top:0;bottom:0;left:0;width:6%;background:linear-gradient(90deg,rgba(0,0,0,.18),rgba(0,0,0,0));pointer-events:none;z-index:1}
.c-back::before{left:auto;right:0;background:linear-gradient(-90deg,rgba(0,0,0,.18),rgba(0,0,0,0))}
.ombra-llibre{position:absolute;left:8%;right:8%;bottom:-9%;height:9%;border-radius:50%;background:radial-gradient(ellipse at center,rgba(0,0,0,.65),rgba(0,0,0,0) 70%);filter:blur(6px);transform:translateZ(-1px)}
.gir-pista{position:absolute;left:0;right:0;bottom:.9rem;margin:0;text-align:center;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(251,248,242,.55);transition:opacity .4s}
.gir.girat .gir-pista{opacity:0}
.gir-portada{margin:.9rem 0 0;text-align:right;font-size:.82rem}
.gir-portada a{color:rgba(251,248,242,.7);border-bottom-color:rgba(251,248,242,.25)}
.gir-portada a:hover{color:var(--or);border-bottom-color:var(--or)}
@media (prefers-reduced-motion:reduce){.llibre3d{transform:rotateX(-6deg) rotateY(-28deg)!important}.gir-pista{display:none}}
@media (max-width:520px){.gir{--w:300px}}

/* ---- WhatsApp ---- */
.canal-wa .val{letter-spacing:.02em}
.wa-flotant{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;align-items:center;gap:.55rem;padding:.7rem .95rem .7rem .8rem;border-radius:999px;background:#25D366;color:#fff;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.22);font-weight:600;font-size:.95rem;transition:transform .2s ease,box-shadow .2s ease}
.wa-flotant:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.28);color:#fff}
.wa-flotant svg{flex:none}
@media (max-width:640px){.wa-flotant{right:14px;bottom:14px;padding:.75rem}.wa-flotant .wa-txt{display:none}}
@media print{.wa-flotant{display:none}}

/* ---- Pintura ---- */
.pintures-intro{margin-top:clamp(3.5rem,7vw,6rem)}
.pintures-intro h3{font-family:var(--serif);font-size:clamp(1.6rem,3vw,2.3rem);font-weight:600;margin:.2rem 0 .8rem}
.galeria.pintures{grid-template-columns:repeat(4,1fr);gap:1.2rem}
.galeria.pintures .marc{aspect-ratio:4/3;background:#f5f1ea;padding:6%;box-sizing:border-box}
.galeria.pintures .marc img{object-fit:contain;box-shadow:0 6px 18px rgba(27,23,32,.14)}
.galeria.pintures figcaption b{font-size:1.02rem}
@media (max-width:980px){.galeria.pintures{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.galeria.pintures{grid-template-columns:repeat(2,1fr);gap:.8rem}.galeria.pintures figcaption{padding:.6rem .7rem}}
.amunt{bottom:5.2rem}
@media (max-width:640px){.amunt{bottom:5rem;right:1rem}}

/* ---- Tercer llibre ---- */
.tercer-llibre{margin-top:clamp(3.5rem,7vw,6rem);padding-top:clamp(3rem,6vw,4.5rem);border-top:1px solid rgba(251,248,242,.16);align-items:center}
.tercer-llibre .portada-llibre{margin-left:auto}
.tercer-llibre .portada-llibre .gir-portada{text-align:center;margin-top:.9rem}