/* ANDORRA · TRIBU — GBA Atelier */
:root{
  --tinta:#141414;
  --papel:#F4F2EE;
  --papel-2:#E9E6E0;
  --berry:#8A1C3F;
  --rosa:#E59AB2;
  --gris:#6E6A66;
  --ambar:#E8B07A;
  --m:clamp(24px,7vw,120px);          /* margen lateral */
  --serif:'Bodoni Moda','Didot','Bodoni 72',Georgia,serif;
  --sans:'Hanken Grotesk','Helvetica Neue',Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.1,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--tinta);color:var(--papel);font-family:var(--sans);font-weight:300;font-size:clamp(16px,1.15vw,18px);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit}
em{font-style:italic}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}

.mono{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:400}
.kicker{margin:0 0 28px;color:var(--gris)}
.tinta .kicker{color:rgba(244,242,238,.6)}

.titulo{font-family:var(--serif);font-weight:400;font-size:clamp(42px,6.2vw,96px);line-height:1.02;letter-spacing:-.015em;margin:0}
.papel .titulo em{color:var(--berry)}
.tinta .titulo em,.musica .titulo em{color:var(--rosa)}

/* ---------- Barra superior ---------- */
.barra{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px var(--m);color:var(--papel);transition:background .5s var(--ease),padding .5s var(--ease),color .5s}
.barra.solida{background:rgba(20,20,20,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding-top:14px;padding-bottom:14px}
.barra__marca{font-family:var(--serif);font-size:20px;letter-spacing:.32em;text-transform:uppercase;text-decoration:none}
.barra__nav{display:flex;gap:34px}
.barra__nav a{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;opacity:.7;transition:opacity .3s}
.barra__nav a:hover,.barra__nav a.actual{opacity:1}
.barra__estudio{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;opacity:.7}
.barra__progreso{position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--rosa);transform-origin:0 50%;transform:scaleX(0)}

/* ---------- Portada ---------- */
.portada{position:relative;height:100vh;height:100svh;min-height:560px;overflow:hidden;background:#0d0d10}
.portada__img{position:absolute;inset:0;will-change:transform}
.portada__img img{width:100%;height:100%;object-fit:cover;object-position:50% 60%;animation:respira 24s var(--ease) both}
@keyframes respira{from{transform:scale(1.14)}to{transform:scale(1.02)}}
.brasas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;mix-blend-mode:screen}
.portada__velo{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(20,20,20,.55) 0%,rgba(20,20,20,0) 22%,rgba(20,20,20,0) 38%,rgba(20,20,20,.4) 58%,rgba(20,20,20,.85) 82%,rgba(20,20,20,.97) 100%)}
.portada__texto{position:absolute;left:var(--m);right:var(--m);bottom:clamp(64px,11vh,120px)}
.portada__kicker{display:flex;flex-wrap:wrap;gap:10px 16px;margin:0 0 18px;color:rgba(244,242,238,.82)}
.portada__kicker span+span::before{content:"";display:inline-block;width:18px;height:1px;background:var(--rosa);vertical-align:middle;margin-right:16px}
.portada__kicker span{position:relative}
.portada__titulo{font-family:var(--serif);font-weight:400;font-size:clamp(68px,15vw,250px);line-height:.86;letter-spacing:.02em;text-transform:uppercase;margin:0 0 0 -.04em}
.letras{display:inline-block;clip-path:inset(0 0 0 0);animation:sube 1.6s .2s var(--ease) both}
@keyframes sube{from{transform:translateY(40%);opacity:0;filter:blur(8px)}to{transform:none;opacity:1;filter:none}}
.portada__lema{font-family:var(--serif);font-size:clamp(20px,2.1vw,32px);line-height:1.3;max-width:28ch;margin:26px 0 0;animation:aparece 1.4s .9s var(--ease) both}
.portada__lema em{color:var(--rosa)}
@keyframes aparece{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.portada__bajar{position:absolute;right:var(--m);bottom:clamp(64px,11vh,120px);display:flex;flex-direction:column;align-items:center;gap:14px;text-decoration:none;color:rgba(244,242,238,.8);animation:aparece 1.4s 1.4s var(--ease) both}
.portada__bajar i{display:block;width:1px;height:64px;background:linear-gradient(var(--papel),transparent);animation:gota 2.4s ease-in-out infinite;transform-origin:top}
@keyframes gota{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* ---------- Bloques ---------- */
.bloque{padding:clamp(96px,14vw,200px) var(--m)}
.papel{background:var(--papel);color:var(--tinta)}
.tinta{background:var(--tinta);color:var(--papel)}
.reticula{display:grid;grid-template-columns:repeat(12,1fr);column-gap:24px}
.reticula>.kicker{grid-column:1/-1}
.reticula>.titulo{grid-column:1/9}
.reticula>.texto{grid-column:7/12;margin-top:56px}
.reticula--partida>div:first-child{grid-column:1/7}
.reticula--partida>.texto{grid-column:8/12;margin-top:0;align-self:end}
.texto p{margin:0 0 1em;max-width:42ch}
.texto .entrada{font-family:var(--serif);font-size:clamp(22px,1.8vw,28px);line-height:1.3;max-width:24ch}
.papel .texto p:not(.entrada){color:#3b3835}
.tinta .texto p:not(.entrada){color:rgba(244,242,238,.72)}

.claves{list-style:none;margin:clamp(80px,10vw,140px) 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(20,20,20,.18)}
.claves li{padding:32px 24px 0 0;display:flex;flex-direction:column;gap:8px}
.claves li+li{padding-left:24px;border-left:1px solid rgba(20,20,20,.12)}
.claves .mono{color:var(--berry)}
.claves strong{font-family:var(--serif);font-weight:400;font-size:clamp(22px,2vw,30px);line-height:1.15}
.claves small{font-size:15px;color:var(--gris)}

/* imagen a sangre */
.sangre{margin:0;position:relative;background:var(--tinta)}
.sangre__marco{height:clamp(420px,88vh,940px);overflow:hidden}
.sangre img,.musica__img img,.marco img{width:100%;height:118%;object-fit:cover;will-change:transform}
.sangre figcaption{position:absolute;left:var(--m);bottom:28px;color:rgba(244,242,238,.85)}

/* ---------- Secuencia de luz ---------- */
.secuencia{position:relative;height:420vh;background:#0d0d10}
.secuencia__fija{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.secuencia__imgs img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.08);transition:opacity 1.2s var(--ease),transform 6s var(--ease)}
.secuencia__imgs img.activa{opacity:1;transform:scale(1)}
.secuencia__velo{position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,20,20,.85) 0%,rgba(20,20,20,.45) 40%,rgba(20,20,20,0) 70%),linear-gradient(0deg,rgba(20,20,20,.5),transparent 35%)}
.secuencia__texto{position:absolute;left:var(--m);top:50%;transform:translateY(-50%)}
.secuencia__texto .kicker{color:rgba(244,242,238,.75)}
.secuencia__nombres{list-style:none;margin:0;padding:0}
.secuencia__nombres li{font-family:var(--serif);font-size:clamp(34px,4.6vw,72px);line-height:1.12;color:rgba(244,242,238,.42);text-shadow:0 2px 24px rgba(0,0,0,.35);transition:color .8s var(--ease),transform .8s var(--ease);transform-origin:0 50%}
.secuencia__nombres li.activa{color:var(--papel);font-style:italic;transform:translateX(12px)}
.secuencia__nombres li.activa::before{content:"";display:inline-block;width:.55em;height:1px;background:var(--rosa);vertical-align:middle;margin-right:.3em}
.secuencia__cont{position:absolute;right:var(--m);bottom:48px;color:rgba(244,242,238,.85)}
.secuencia__barra{position:absolute;left:var(--m);right:var(--m);bottom:36px;height:1px;background:rgba(244,242,238,.2);max-width:calc(100% - 2*var(--m) - 110px)}
.secuencia__barra span{display:block;height:100%;background:var(--rosa);transform-origin:0 50%;transform:scaleX(0)}

/* ---------- Mosaico fuego ---------- */
.mosaico{display:grid;grid-template-columns:repeat(12,1fr);column-gap:24px;row-gap:clamp(48px,6vw,96px);margin-top:clamp(80px,10vw,140px)}
.mosaico figure{margin:0}
.marco{overflow:hidden;aspect-ratio:16/9;background:#ddd}
.mosaico__a{grid-column:1/-1}
.mosaico__a .marco{aspect-ratio:21/9}
.mosaico__b{grid-column:1/7}
.mosaico__c{grid-column:8/-1;margin-top:clamp(60px,10vw,160px)!important}
.mosaico img,.plano img{height:118%}
.mosaico__b img,.mosaico__c img{height:100%;transition:transform 1.2s var(--ease)}
.mosaico__b:hover img,.mosaico__c:hover img{transform:scale(1.04)}
figcaption.mono{margin-top:16px;color:var(--gris)}

/* ---------- Materiales ---------- */
.materiales{padding:clamp(110px,14vw,200px) var(--m);text-align:center}
.materiales__linea{font-family:var(--serif);font-size:clamp(40px,5vw,96px);line-height:1.05;margin:0;letter-spacing:-.01em}
.materiales__linea b{font-weight:400;white-space:nowrap}
.materiales__linea .sep{color:var(--gris);margin:0 .08em;font-style:normal}
.materiales__linea em{color:var(--rosa)}
.materiales__nota{margin:40px auto 0;max-width:36ch;color:rgba(244,242,238,.7)}

/* ---------- Música ---------- */
.musica{position:relative;min-height:110vh;overflow:hidden;display:flex;align-items:flex-end}
.musica__img{position:absolute;inset:0}
.musica__img img{height:120%}
.musica__velo{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,20,20,.85) 0%,rgba(20,20,20,0) 28%,rgba(20,20,20,0) 50%,rgba(20,20,20,.9) 100%)}
.musica__texto{position:relative;padding:0 var(--m) clamp(80px,12vh,140px);max-width:820px}
.musica__texto .kicker{color:rgba(244,242,238,.75)}
.musica__texto p:last-child{font-size:clamp(17px,1.3vw,20px);max-width:38ch;margin:28px 0 0;color:rgba(244,242,238,.85)}

/* ---------- Plano ---------- */
.plano{margin:clamp(70px,9vw,120px) 0 0}
.plano .marco{aspect-ratio:16/9}

/* ---------- Galería ---------- */
.galeria{padding:clamp(96px,14vw,200px) var(--m)}
.galeria__cabecera{margin-bottom:clamp(56px,7vw,100px)}
.galeria__rejilla{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-flow:dense;gap:clamp(10px,1.4vw,20px)}
.g{position:relative;overflow:hidden;aspect-ratio:16/10;display:block}
.g--ancha{grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
.g--der{grid-column:3/5}
.g img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease),filter .6s}
.g::after{content:"+";position:absolute;right:14px;bottom:10px;font-family:var(--serif);font-size:26px;color:var(--papel);opacity:0;transition:opacity .4s}
.g:hover img{transform:scale(1.05)}
.g:hover::after{opacity:1}
.g:focus-visible{outline:1px solid var(--rosa);outline-offset:4px}
.galeria__nota{margin:36px 0 0;color:rgba(244,242,238,.5)}

/* ---------- Cierre ---------- */
.cierre{position:relative;height:100vh;height:100svh;min-height:560px;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center}
.cierre__img{position:absolute;inset:0}
.cierre__img img{width:100%;height:100%;object-fit:cover}
.cierre__velo{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 55%,rgba(20,20,20,.35),rgba(20,20,20,.85) 75%)}
.cierre__texto{position:relative;padding:0 var(--m)}
.cierre__texto .kicker{color:rgba(244,242,238,.75)}
.cierre__titulo{font-family:var(--serif);font-weight:400;font-size:clamp(46px,7.5vw,128px);line-height:1;margin:0}
.cierre__titulo em{color:var(--rosa)}

/* ---------- Pie ---------- */
.pie{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:36px var(--m);background:var(--tinta);color:rgba(244,242,238,.6);border-top:1px solid rgba(244,242,238,.1)}
.pie__firma{font-family:var(--serif);font-size:20px;color:var(--papel);letter-spacing:.04em}
.pie__firma em{color:var(--rosa)}

/* ---------- Visor ---------- */
.visor{position:fixed;inset:0;z-index:100;background:rgba(14,14,14,.96);display:flex;align-items:center;justify-content:center;padding:72px var(--m)}
.visor[hidden]{display:none}
.visor img{max-width:100%;max-height:100%;object-fit:contain;animation:aparece .6s var(--ease) both}
.visor__cerrar{position:absolute;top:24px;right:var(--m);color:var(--papel)}
.visor__flecha{position:absolute;top:50%;transform:translateY(-50%);font-family:var(--serif);font-size:30px;padding:16px;color:var(--papel);opacity:.7}
.visor__flecha:hover{opacity:1}
.visor__flecha--izq{left:12px}.visor__flecha--der{right:12px}
.visor__cont{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);margin:0;color:rgba(244,242,238,.6)}

/* ---------- Revelado ---------- */
.js .rv{opacity:0;transform:translateY(28px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease)}
.js .rv.ver{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .barra__nav{display:none}
  .reticula>.titulo,.reticula--partida>div:first-child{grid-column:1/-1}
  .reticula>.texto,.reticula--partida>.texto{grid-column:1/-1;margin-top:40px}
  .claves{grid-template-columns:1fr}
  .claves li,.claves li+li{padding:26px 0;border-left:0;border-bottom:1px solid rgba(20,20,20,.12)}
  .mosaico__a .marco{aspect-ratio:4/3}
  .mosaico__b,.mosaico__c{grid-column:1/-1;margin-top:0!important}
  .galeria__rejilla{grid-template-columns:repeat(2,1fr)}
  .g--ancha,.g--der{grid-column:1/-1;grid-row:auto;aspect-ratio:16/10}
  .secuencia__velo{background:linear-gradient(0deg,rgba(20,20,20,.88) 0%,rgba(20,20,20,.35) 50%,rgba(20,20,20,.2) 100%)}
  .secuencia__texto{top:auto;bottom:96px;transform:none;right:var(--m)}
  .secuencia__imgs img{object-position:50% 50%}
  .pie{flex-direction:column;text-align:center;gap:12px}
  .materiales__linea{font-size:clamp(44px,13vw,80px);line-height:1.1}
  .materiales__linea b{display:block}
  .materiales__linea .sep{display:none}
  .visor{padding:72px 16px 96px}
  .visor__flecha{top:auto;bottom:14px;transform:none}
  .visor__flecha--izq{left:16px}.visor__flecha--der{right:16px}
  .visor__cont{bottom:34px}
  .musica{min-height:100svh}
  .musica__img img{object-position:50% 50%}
}
@media (max-width:520px){
  .portada__bajar{display:none}
  .portada__img img{object-position:52% 60%}
  .portada__kicker span+span::before{width:10px;margin-right:12px}
  .portada__kicker{gap:6px 12px}
  .sangre__marco{height:72svh}
  .barra__estudio{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .js .rv{opacity:1;transform:none}
}