/* The Blind Spot Experience — SDD/ (propuesta conceptual independiente, no afiliada a Spotify)
   Mundo único oscuro de la campaña: obsidiana, verde #1ED760, marfil. Grotesca condensada para titulares. */
:root{
  --obsidian:#080A09; --ink:#F3F0E9; --ink-2:rgba(243,240,233,.70); --ink-3:rgba(243,240,233,.62);
  --line:rgba(243,240,233,.14); --green:#1ED760; --green-ink:#04130A;
  --display:"Archivo","Helvetica Neue Condensed","Arial Narrow",sans-serif;
  --sans:"Inter Tight","Helvetica Neue",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.1,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:var(--obsidian);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow:hidden}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.g{color:var(--green)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* barra superior y pie */
.top{position:fixed;z-index:20;inset:0 0 auto;display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:calc(14px + env(safe-area-inset-top,0px)) max(20px,env(safe-area-inset-right,0px)) 14px max(20px,env(safe-area-inset-left,0px));
  background:linear-gradient(180deg,rgba(8,10,9,.75),rgba(8,10,9,0))}
.top .brand{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;text-decoration:none}
.top nav{display:flex;align-items:center;gap:6px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;color:var(--ink-2);transition:border-color .2s,color .2s}
.pill:hover{border-color:var(--ink-3);color:var(--ink)}
.pill[aria-pressed="true"]{border-color:var(--green);color:var(--green)}
.legal{position:fixed;z-index:20;inset:auto 0 0;padding:10px max(20px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(20px,env(safe-area-inset-left,0px));
  font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);text-align:center;pointer-events:none}

/* escenario: un paso visible a la vez */
.step{position:fixed;inset:0;display:grid;opacity:0;visibility:hidden;transition:opacity .7s var(--ease),visibility 0s linear .7s}
.step.on{opacity:1;visibility:visible;transition:opacity .7s var(--ease),visibility 0s}
.photo{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform 8s linear}
.veil{position:absolute;inset:0}
.inner{position:relative;z-index:2;align-self:end;width:min(1180px,100%);margin:0 auto;
  padding:120px max(24px,env(safe-area-inset-right,0px)) calc(70px + env(safe-area-inset-bottom,0px)) max(24px,env(safe-area-inset-left,0px));display:grid;gap:22px}
h1,h2,.hl{font-family:var(--display);font-stretch:66%;font-weight:850;text-transform:uppercase;letter-spacing:-.005em;line-height:.9;margin:0;text-wrap:balance;text-shadow:0 2px 28px rgba(5,7,6,.75)}
h1:focus,h2:focus{outline:none}
.hl-xl{font-size:clamp(56px,10.5vw,148px)}
.hl-l{font-size:clamp(40px,6.6vw,92px)}
.hl-m{font-size:clamp(30px,4.4vw,58px)}
.lead{font-size:clamp(17px,1.7vw,21px);color:var(--ink-2);max-width:44ch;margin:0}
.cta{justify-self:start;display:inline-flex;align-items:center;gap:10px;padding:16px 24px;border-radius:999px;background:var(--green);color:var(--green-ink);
  font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;transition:transform .25s var(--ease),box-shadow .25s}
.cta:hover{transform:translateY(-2px);box-shadow:0 10px 40px rgba(30,215,96,.35)}
.ghost{justify-self:start;display:inline-flex;align-items:center;gap:10px;padding:15px 22px;border-radius:999px;border:1px solid var(--ink-3);
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;transition:border-color .2s}
.ghost:hover{border-color:var(--ink)}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.note{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}

/* 01 entrada */
#entry .photo{background-image:url(../img/exp/entry-wide.jpg);background-position:72% center}
#entry .veil{background:linear-gradient(90deg,rgba(8,10,9,.92) 0%,rgba(8,10,9,.55) 42%,rgba(8,10,9,0) 70%),linear-gradient(0deg,rgba(8,10,9,.85),rgba(8,10,9,0) 45%)}
#entry .glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(420px 900px at var(--gx,79%) 50%,rgba(30,215,96,.16),rgba(30,215,96,0) 70%);mix-blend-mode:screen}
#entry h1 .w{display:inline-block;opacity:0;transform:translateY(.25em);transition:opacity .7s var(--ease),transform .7s var(--ease)}
#entry.on h1 .w{opacity:1;transform:none}

/* 02 pregunta */
#question .photo{background-image:url(../img/exp/question.jpg);opacity:.32;filter:saturate(.6)}
#question .veil{background:linear-gradient(180deg,rgba(8,10,9,.7),rgba(8,10,9,.55) 40%,rgba(8,10,9,.92))}
#question .crack{position:absolute;top:0;bottom:0;left:58%;width:var(--crack,2px);background:var(--green);box-shadow:0 0 40px 6px rgba(30,215,96,.35);transition:width 1s var(--ease);opacity:.75}
.qbox{display:grid;gap:18px;max-width:760px}
.prog{display:flex;gap:6px}
.prog i{flex:1;height:2px;background:var(--ink-3);transition:background .3s}
.prog i.on{background:var(--green)}
.qhead{display:flex;justify-content:space-between;align-items:center;gap:12px}
.opts{display:grid;gap:10px}
.opt{display:flex;justify-content:space-between;align-items:center;gap:14px;width:100%;text-align:left;padding:16px 18px;border:1px solid var(--line);border-radius:14px;
  background:rgba(8,10,9,.55);backdrop-filter:blur(6px);font-size:17px;transition:border-color .2s,background .2s,transform .2s}
.opt:hover{border-color:var(--ink-3);transform:translateX(3px)}
.opt[aria-pressed="true"]{border-color:var(--green);background:rgba(30,215,96,.14)}
.opt kbd{font-family:var(--mono);font-size:10px;color:var(--ink-3);border:1px solid var(--line);border-radius:4px;padding:2px 6px}
.qanim{animation:qin .5s var(--ease)}
@keyframes qin{from{opacity:0;transform:translateY(14px)}}

/* 03 revelación */
#reveal{background:#050706}
#reveal .slit{position:absolute;top:0;bottom:0;left:50%;width:var(--w,4%);transform:translateX(-50%);background:url(../img/exp/world.jpg) center/cover;
  box-shadow:0 0 90px 20px rgba(30,215,96,.35);border-inline:1px solid rgba(30,215,96,.9);transition:width 2.6s var(--ease)}
#reveal.open .slit{width:100%;box-shadow:none;border-color:transparent;transition:width 1.4s var(--ease)}
#reveal .veil{background:linear-gradient(0deg,rgba(5,7,6,.92) 0%,rgba(5,7,6,.2) 50%,rgba(5,7,6,0) 70%)}

/* 04 descubrimiento */
#discover{overflow-y:auto}
#discover .photo{background-image:url(../img/exp/discovery.jpg);opacity:.22;position:fixed}
#discover .veil{position:fixed;background:linear-gradient(180deg,rgba(8,10,9,.8),rgba(8,10,9,.7))}
#discover .inner{align-self:start;padding-top:110px;padding-bottom:calc(120px + env(safe-area-inset-bottom,0px))}
.terr{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.terr article{background:rgba(8,10,9,.82);padding:24px;display:grid;gap:10px;align-content:start;min-width:0}
.terr .hl{font-size:clamp(30px,3.4vw,44px)}
.terr p{margin:0;color:var(--ink-2);font-size:15.5px}
.terr .why{color:var(--ink-3);font-size:13px;border-top:1px solid var(--line);padding-top:10px}
.terr article{animation:qin .6s var(--ease) both}
.terr article:nth-child(2){animation-delay:.12s}.terr article:nth-child(3){animation-delay:.24s}

/* 04b THE BLIND SPOT MIX — tres colecciones editoriales; vista general + vista ampliada con la lista */
#mix{overflow-y:auto;background:var(--obsidian)}
#mix::before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(900px 620px at 82% -8%,var(--mixglow,rgba(30,215,96,.11)),rgba(8,10,9,0) 70%);transition:opacity .6s var(--ease)}
#mix[data-mix="1"]{--mixglow:rgba(30,215,96,.17)}
#mix[data-mix="2"]{--mixglow:rgba(242,169,59,.17)}
#mix[data-mix="3"]{--mixglow:rgba(124,92,255,.24)}
#mix .inner{align-self:start;padding-top:110px;padding-bottom:calc(120px + env(safe-area-inset-bottom,0px));gap:28px}
#mixOverview,#mixDetail,.mdet{display:grid;gap:22px;min-width:0}
.bridge{display:grid;gap:12px;padding-bottom:6px}
.bridge-t{margin:0;max-width:none;font-size:clamp(24px,3vw,40px);line-height:.95}
.dim{color:var(--ink-3)}
.mixes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;list-style:none;margin:6px 0 0;padding:0}
.mixes li{min-width:0}
.mixcard{display:grid;gap:8px;align-content:start;width:100%;height:100%;text-align:left;padding:0 0 18px;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:rgba(8,10,9,.7);transition:border-color .25s,transform .35s var(--ease),box-shadow .35s}
.mixcard>.mono,.mixcard>.mt,.mixcard>.mc,.mixcard>.mgo{padding-inline:18px}
.mixcard:hover{border-color:var(--ink-3);transform:translateY(-4px);box-shadow:0 18px 50px rgba(0,0,0,.45)}
.mimg{display:block;overflow:hidden;aspect-ratio:1;background:#0d100e;margin-bottom:8px}
.mimg img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.mixcard:hover .mimg img{transform:scale(1.04)}
.mt{font-family:var(--display);font-stretch:66%;font-weight:850;text-transform:uppercase;line-height:.92;font-size:clamp(30px,3vw,42px);text-wrap:balance}
.mc{color:var(--ink-2);font-size:15.5px;line-height:1.45}
.mgo{color:var(--ink-3);margin-top:4px;transition:color .2s}
.mgo i{font-style:normal;display:inline-block;transition:transform .25s var(--ease)}
.mixcard:hover .mgo{color:var(--green)}.mixcard:hover .mgo i{transform:translateX(4px)}
.mix-end{display:grid;gap:18px;margin-top:10px;padding-top:22px;border-top:1px solid var(--line)}
.mix-sign{margin:0;color:var(--ink-3);font-size:12px}.mix-sign b{font-weight:500}
.in-mix .top{background:linear-gradient(180deg,rgba(8,10,9,.96) 55%,rgba(8,10,9,0))}
.in-mix .legal{background:linear-gradient(0deg,rgba(8,10,9,.96) 60%,rgba(8,10,9,0))}
/* vista ampliada */
.mback{justify-self:start}
.mgrid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(24px,4.5vw,64px);align-items:start}
.mcover{margin:0;position:sticky;top:96px;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 90px rgba(0,0,0,.55)}
.mcover img{display:block;width:100%;height:auto;aspect-ratio:1}
.mbody{display:grid;gap:18px;min-width:0}
#mTitle:focus{outline:none}
.mconcept{margin:0;font-size:clamp(19px,2vw,25px);line-height:1.3;color:var(--ink);max-width:30ch;text-wrap:balance}
.mdesc{margin:0;color:var(--ink-2);max-width:52ch}
.mmeta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:2px 0;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.mmeta div{background:rgba(8,10,9,.82);padding:14px 16px}
.mmeta dt{color:var(--ink-3);margin-bottom:6px}.mmeta dd{margin:0;font-size:15px;line-height:1.35}
.mmicro{margin:4px 0 0;font-size:clamp(34px,5vw,64px);color:var(--green)}
.mlist-h{margin:6px 0 -6px;font-weight:400;color:var(--ink-3)}
.trk{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.trk li{display:grid;grid-template-columns:36px minmax(0,1fr);gap:8px;align-items:baseline;padding:14px 4px;border-bottom:1px solid var(--line);transition:background .2s,padding .25s var(--ease)}
.trk li:hover{background:rgba(243,240,233,.04);padding-left:10px}
.trk .n{color:var(--ink-3)}
.trk .tx{font-size:17px;line-height:1.35;overflow-wrap:anywhere}
.trk .a{color:var(--ink-2)}.trk .d{color:var(--ink-3)}.trk .t{color:var(--ink);font-weight:500}
@media (max-width:980px){
  .mixes{grid-template-columns:minmax(0,1fr);gap:16px}
  .mixcard{grid-template-columns:minmax(0,1fr)}
  .mgrid{grid-template-columns:minmax(0,1fr)}
  .mcover{position:static;max-width:460px}
}
@media (max-width:760px){
  #mix .inner{padding-top:96px}
  .mmeta{grid-template-columns:minmax(0,1fr)}
  .trk .tx{font-size:16px}
  .mdet .row>*{flex:1 1 100%;justify-content:center}
}

/* 05 cierre */
#closing .photo{background-image:url(../img/exp/closing.jpg);background-position:center 30%}
#closing .veil{background:linear-gradient(0deg,rgba(8,10,9,.95) 0%,rgba(8,10,9,.6) 45%,rgba(8,10,9,.35))}
.sign{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:18px;margin-top:8px}
.sign img{height:30px;width:auto}
.sign .credit{text-align:right;font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.sign .credit b{color:var(--ink);font-weight:500}

@media (max-width:760px){
  #entry .photo{background-image:url(../img/exp/entry-tall.jpg);background-position:58% center}
  #entry .veil{background:linear-gradient(0deg,rgba(8,10,9,.95) 0%,rgba(8,10,9,.55) 48%,rgba(8,10,9,.1) 75%)}
  .terr{grid-template-columns:minmax(0,1fr)}
  .top .brand span{display:none}
  .inner{gap:18px}
  .opt{font-size:16px;padding:14px 16px}
  .opt kbd{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  #entry h1 .w{opacity:1;transform:none}
}
@media (max-width:760px){.sign .credit{text-align:left}.pill{min-height:40px}.sign .credit{font-size:11px}}

/* Pantallas bajas (móvil pequeño, horizontal): el contenido nunca queda cortado; cada paso se desplaza y el fondo queda fijo */
@media (max-height:700px){
  .step{overflow-y:auto}
  .step .photo,.step .veil,.step .crack,.step .glow,.step .slit{position:fixed}
  .step .inner{align-self:start;padding-top:96px}
}