/* Triple cumpleaños · scroll-world neón nocturno */
:root{
  --bg:#07041a; --bg2:#120a33; --ink:#f4efff; --mut:#b8afd9;
  --pink:#ff3ec8; --cyan:#2ef2ff; --vio:#9b5cff; --yel:#ffe14d;
  --f-d:"Tilt Neon",system-ui,sans-serif; --f-n:"Monoton",system-ui,sans-serif; --f-b:"Outfit",system-ui,sans-serif;
  --glow-p:0 0 6px #fff,0 0 14px var(--pink),0 0 32px var(--pink),0 0 60px rgba(255,62,200,.6);
  --glow-c:0 0 6px #fff,0 0 14px var(--cyan),0 0 32px var(--cyan),0 0 60px rgba(46,242,255,.6);
}
*{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:400 16px/1.5 var(--f-b);overflow-x:hidden;-webkit-tap-highlight-color:transparent}
body.locked{overflow:hidden;height:100dvh}
.sr{position:absolute;left:-999px}
.sr:focus{left:12px;top:12px;z-index:99;background:#000;color:#fff;padding:8px}
b{font-weight:700}

/* ---------- Entrada ---------- */
.gate{position:fixed;inset:0;z-index:50;display:grid;place-items:center;text-align:center;padding:24px;
  background:radial-gradient(80% 60% at 50% 40%,#1c0f4a,var(--bg) 70%);transition:opacity .9s ease,visibility .9s}
.gate::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 4px);pointer-events:none}
.gate.off{opacity:0;visibility:hidden}
.gate-k{font:700 .72rem var(--f-b);letter-spacing:.34em;text-transform:uppercase;color:var(--mut)}
.neon-btn{display:flex;flex-direction:column;align-items:center;gap:4px;margin:28px auto 22px;padding:26px 34px;border:2px solid rgba(155,92,255,.35);border-radius:26px;
  background:rgba(10,5,30,.6);cursor:pointer;color:inherit;touch-action:manipulation;box-shadow:inset 0 0 40px rgba(155,92,255,.12)}
.sign{font:400 clamp(3.6rem,15vw,6.4rem)/1 var(--f-n);color:rgba(255,62,200,.22);letter-spacing:.04em;transition:color .2s}
.sign.s2{font-family:var(--f-d);font-size:clamp(2.6rem,11vw,4.2rem);color:rgba(46,242,255,.22)}
.neon-btn .sign{animation:idle 3.2s ease-in-out infinite}
.neon-btn .s2{animation-delay:-1.4s}
@keyframes idle{0%,86%,100%{text-shadow:none}88%,92%{color:rgba(255,62,200,.6);text-shadow:0 0 18px var(--pink)}90%{color:rgba(255,62,200,.22);text-shadow:none}}
.neon-btn .s2{animation-name:idle2}
@keyframes idle2{0%,86%,100%{text-shadow:none}88%,92%{color:rgba(46,242,255,.6);text-shadow:0 0 18px var(--cyan)}90%{color:rgba(46,242,255,.22)}}
.gate.on .sign{animation:flick .9s steps(1) forwards;color:#ffe9fb}
.gate.on .s2{animation:flick2 .9s steps(1) .15s forwards;color:#e9fdff}
@keyframes flick{0%{text-shadow:none;opacity:.4}10%{text-shadow:var(--glow-p);opacity:1}20%{text-shadow:none;opacity:.5}35%,100%{text-shadow:var(--glow-p);opacity:1}}
@keyframes flick2{0%{text-shadow:none;opacity:.4}15%{text-shadow:var(--glow-c);opacity:1}28%{text-shadow:none;opacity:.5}40%,100%{text-shadow:var(--glow-c);opacity:1}}
.gate-t{font:400 1.7rem var(--f-d);color:var(--ink);text-shadow:0 0 12px rgba(155,92,255,.8)}
.gate-hint{margin-top:8px;font-size:.85rem;color:var(--mut);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.4}}

/* ---------- Escenario ---------- */
.world{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block;background:radial-gradient(120% 80% at 50% 20%,#1d0f52,var(--bg) 70%)}
.veil{position:fixed;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(7,4,26,.6),rgba(7,4,26,.92));opacity:0}
main{position:relative;z-index:4}
.journey{position:relative;height:1000vh}
html.snap-on{scroll-snap-type:y mandatory}
.snap{position:absolute;left:0;top:0;width:1px;height:1px;pointer-events:none;scroll-snap-align:start;scroll-snap-stop:always}
.reg{scroll-snap-align:start}
.foot{scroll-snap-align:end}

/* ---------- Tarjetas ---------- */
.card{position:fixed;z-index:5;left:max(5vw,24px);top:50%;width:min(430px,40vw);max-height:calc(100dvh - 120px);overflow:auto;transform:translateY(-50%);
  padding:28px 28px 24px;border-radius:22px;background:linear-gradient(160deg,rgba(28,15,74,.78),rgba(7,4,26,.85));
  border:1px solid rgba(155,92,255,.55);box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(255,62,200,.08),inset 0 1px 0 rgba(255,255,255,.08),0 0 40px rgba(155,92,255,.18);
  backdrop-filter:blur(10px) saturate(1.3);-webkit-backdrop-filter:blur(10px) saturate(1.3);
  opacity:0;visibility:hidden;pointer-events:none;will-change:opacity,transform;scrollbar-width:none}
.card::-webkit-scrollbar{display:none}
.card.on{visibility:visible}.card.live{pointer-events:auto}
.card-p{border-color:rgba(255,62,200,.6);box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 40px rgba(255,62,200,.22)}
.card-c{border-color:rgba(46,242,255,.6);box-shadow:0 30px 80px rgba(0,0,0,.5),0 0 40px rgba(46,242,255,.2)}
.eyebrow{font:700 .66rem var(--f-b);letter-spacing:.3em;text-transform:uppercase;color:var(--yel);text-shadow:0 0 10px rgba(255,225,77,.5)}
.card h2{font:400 clamp(2.2rem,4.2vw,3rem)/1.05 var(--f-d);color:#fff;margin:8px 0 12px;text-shadow:0 0 6px #fff,0 0 18px var(--vio),0 0 40px rgba(155,92,255,.7)}
.card-p h2{text-shadow:var(--glow-p)}
.card-c h2{text-shadow:var(--glow-c)}
.card .body{color:var(--mut);font-size:.98rem}
.card .body b{color:var(--ink)}
.card-hero{text-align:center}
.card-hero h1{display:flex;flex-direction:column;margin:10px 0 8px;font:400 clamp(2.4rem,4.4vw,3.3rem)/1.04 var(--f-d);color:#fff}
.card-hero h1 span:nth-child(1){text-shadow:var(--glow-p)}
.card-hero h1 span:nth-child(2){text-shadow:var(--glow-c)}
.card-hero h1 span:nth-child(3){text-shadow:0 0 6px #fff,0 0 14px var(--yel),0 0 32px var(--yel)}
.hero-k{color:var(--mut)}
.hero-d{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:14px;font:700 .72rem var(--f-b);letter-spacing:.2em;text-transform:uppercase;color:var(--mut)}
.hero-d b{font:400 1.25rem var(--f-d);letter-spacing:.06em;color:var(--yel);text-shadow:0 0 12px rgba(255,225,77,.7);padding:0 12px;border-left:1px solid rgba(155,92,255,.5);border-right:1px solid rgba(155,92,255,.5)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;margin-top:18px;padding:12px 26px;border-radius:99px;border:0;cursor:pointer;
  font:700 .82rem var(--f-b);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:#14002a;
  background:linear-gradient(90deg,var(--pink),var(--vio));box-shadow:0 0 18px rgba(255,62,200,.55),0 0 46px rgba(155,92,255,.35);transition:transform .15s,box-shadow .2s;touch-action:manipulation}
.btn:active{transform:scale(.96)}
@media (hover:hover){.btn:hover{box-shadow:0 0 26px rgba(255,62,200,.85),0 0 60px rgba(155,92,255,.5)}}
.btn.wide{width:100%}

.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tags span{font:700 .68rem var(--f-b);letter-spacing:.08em;text-transform:uppercase;border-radius:99px;padding:6px 12px;border:1px solid}
.t-p{color:#ffc4f0;border-color:var(--pink)!important;box-shadow:0 0 12px rgba(255,62,200,.35)}
.t-c{color:#c4fbff;border-color:var(--cyan)!important;box-shadow:0 0 12px rgba(46,242,255,.3)}

.steps{list-style:none;padding:0;display:grid;gap:12px}
.steps li{display:flex;gap:12px;align-items:center;color:var(--ink);font-size:.95rem}
.steps i{flex:none;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font:400 1.2rem var(--f-d);font-style:normal;color:var(--yel);border:1.5px solid var(--yel);box-shadow:0 0 12px rgba(255,225,77,.45),inset 0 0 10px rgba(255,225,77,.25)}

/* Marcador */
.meter{margin:4px 0 16px}
.meter-n{display:flex;align-items:baseline;gap:10px}
.meter-n b{font:400 3.4rem/1 var(--f-n);color:#fff;text-shadow:var(--glow-p)}
.meter-n span{color:var(--mut);font-size:.95rem}
.meter-bar{position:relative;height:12px;margin-top:10px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;box-shadow:inset 0 0 0 1px rgba(155,92,255,.4)}
.meter-bar i{position:absolute;inset:0 auto 0 0;width:0;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--vio),var(--pink));box-shadow:0 0 16px var(--pink);transition:width 1.2s cubic-bezier(.2,.8,.2,1)}
.meter-plan{margin-top:10px;font-size:.9rem;color:var(--mut)}
.meter-plan b.p{color:#ffc4f0;text-shadow:0 0 10px var(--pink)}
.meter-plan b.c{color:#c4fbff;text-shadow:0 0 10px var(--cyan)}
.cd-k{margin-bottom:8px}
.cd{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.cd div{text-align:center;padding:10px 2px 8px;border-radius:12px;background:rgba(0,0,0,.25);border:1px solid rgba(46,242,255,.35)}
.cd b{display:block;font:400 1.8rem/1 var(--f-d);color:#fff;text-shadow:var(--glow-c)}
.cd span{font:700 .58rem var(--f-b);letter-spacing:.2em;text-transform:uppercase;color:var(--mut)}
.cd.done{display:block;text-align:center;color:var(--yel);font-family:var(--f-d);font-size:1.2rem}

/* Pie de tarjeta */
.pie{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:10px;border-top:1px solid rgba(155,92,255,.3)}
.pie .n{font:700 .62rem var(--f-b);letter-spacing:.24em;text-transform:uppercase;color:var(--mut)}
.pie .sig{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:4px 4px 4px 12px;border:0;background:none;color:var(--ink);cursor:pointer;
  font:700 .66rem var(--f-b);letter-spacing:.16em;text-transform:uppercase;touch-action:manipulation}
.pie .sig i{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;border:1px solid var(--cyan);font-style:normal;box-shadow:0 0 10px rgba(46,242,255,.4);transition:transform .12s}
.pie .sig:active i{transform:scale(.9)}
.card-hero .pie .sig i{animation:nudge 1.8s ease-in-out infinite}
@keyframes nudge{50%{transform:translateY(4px)}}

/* Riel */
.rail{position:fixed;z-index:6;right:22px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:14px;opacity:0;transition:opacity .6s}
.rail.show{opacity:1}
.rail a{display:flex;align-items:center;justify-content:flex-end;gap:10px;text-decoration:none;color:var(--mut);font:700 .62rem var(--f-b);letter-spacing:.2em;text-transform:uppercase}
.rail a span{opacity:0;transform:translateX(6px);transition:.3s}
.rail a i{width:9px;height:9px;border-radius:50%;border:1px solid var(--vio);transition:.3s}
.rail a.act{color:#fff}.rail a.act span{opacity:1;transform:none}
.rail a.act i{background:var(--pink);border-color:var(--pink);box-shadow:0 0 12px var(--pink);transform:scale(1.25)}
@media (hover:hover){.rail a:hover span{opacity:1;transform:none}}
.scrollcue{position:fixed;z-index:6;left:50%;bottom:calc(22px + env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;
  font:700 .62rem var(--f-b);letter-spacing:.32em;text-transform:uppercase;color:var(--cyan);transition:opacity .5s;pointer-events:none}
.scrollcue span{width:22px;height:34px;border:1.5px solid var(--cyan);border-radius:12px;position:relative;box-shadow:0 0 10px rgba(46,242,255,.4)}
.scrollcue span::after{content:"";position:absolute;left:50%;top:6px;width:4px;height:7px;margin-left:-2px;border-radius:2px;background:var(--cyan);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{opacity:0}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}
.scrollcue.hide{opacity:0}

/* ---------- Confirmación ---------- */
.reg{position:relative;min-height:100dvh;padding:110px 18px 60px;text-align:center}
.title{font:400 clamp(2.6rem,8vw,4rem)/1 var(--f-d);color:#fff;text-shadow:var(--glow-p)}
.lead{margin:12px 0 26px;color:var(--mut)}
.lead b{color:var(--yel)}
.panel{max-width:480px;margin:0 auto;padding:26px 22px;border-radius:22px;text-align:left;background:linear-gradient(160deg,rgba(28,15,74,.85),rgba(7,4,26,.92));
  border:1px solid rgba(155,92,255,.55);box-shadow:0 0 40px rgba(155,92,255,.2)}
.hp{position:absolute;left:-9999px}
.choice,.pref{display:flex;flex-wrap:wrap;gap:8px;border:0;padding:0;margin:0 0 16px}
.pref legend{width:100%;margin-bottom:8px;font-size:.88rem;color:var(--mut)}
.choice input,.pref input{position:absolute;opacity:0;pointer-events:none}
.choice label,.pref label{flex:1 1 0;min-width:96px;min-height:46px;display:grid;place-items:center;padding:8px 10px;border-radius:14px;cursor:pointer;text-align:center;
  font:700 .82rem var(--f-b);color:var(--mut);border:1px solid rgba(155,92,255,.45);background:rgba(0,0,0,.2);transition:.2s}
.choice input:checked+label{color:#fff;border-color:var(--pink);box-shadow:0 0 16px rgba(255,62,200,.45),inset 0 0 14px rgba(255,62,200,.2)}
.pref input:checked+label{color:#fff;border-color:var(--vio);box-shadow:0 0 14px rgba(155,92,255,.5)}
.pref input:checked+label.pb{border-color:var(--pink);box-shadow:0 0 14px rgba(255,62,200,.5)}
.pref input:checked+label.pc{border-color:var(--cyan);box-shadow:0 0 14px rgba(46,242,255,.5)}
.choice input:focus-visible+label,.pref input:focus-visible+label{outline:2px solid var(--yel);outline-offset:2px}
.fld{display:block;margin-bottom:14px;font-size:.88rem;color:var(--mut)}
.fld small{opacity:.7}
.fld input,.fld select,.fld textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border-radius:12px;border:1px solid rgba(155,92,255,.45);background:rgba(0,0,0,.3);
  color:var(--ink);font:400 1rem var(--f-b);outline:none;transition:.2s}
.fld select option{background:#120a33}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--cyan);box-shadow:0 0 12px rgba(46,242,255,.35)}
.fld.bad input{border-color:#ff6b8a}
.err{display:block;min-height:1em;margin-top:4px;font-size:.78rem;color:#ff8aa6}
.si-only[hidden]{display:none}
.fine{margin-top:12px;font-size:.78rem;color:var(--mut);text-align:center}
.result{text-align:center;padding:10px 4px}
.result h3{font:400 2rem var(--f-d);color:#fff;text-shadow:var(--glow-c);margin-bottom:8px}
.result p{color:var(--mut)}
.result .btn{margin-top:16px}
.foot{position:relative;padding:40px 18px calc(40px + env(safe-area-inset-bottom));text-align:center;color:var(--mut);font-size:.85rem}
.foot-sign{font:400 2.2rem var(--f-n);color:#fff;text-shadow:var(--glow-p);margin-bottom:6px}

.no-gl .world{background:radial-gradient(120% 60% at 50% 0,#3a1a8a 0,#140a3a 45%,var(--bg) 100%)}

/* ---------- Foto ---------- */
.polaroid{width:min(300px,74vw);margin:0 auto 34px;padding:10px 10px 0;background:#fbf7ff;border-radius:6px;transform:rotate(-3deg);
  box-shadow:0 0 0 2px rgba(255,62,200,.7),0 0 26px rgba(255,62,200,.55),0 0 60px rgba(155,92,255,.35),0 24px 50px rgba(0,0,0,.55)}
.polaroid img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:3px}
.polaroid figcaption{padding:10px 0 12px;font:400 1.3rem var(--f-d);color:#2a1470;text-align:center}

/* ---------- Música ---------- */
.mus{position:fixed;z-index:30;left:22px;bottom:calc(22px + env(safe-area-inset-bottom));width:46px;height:46px;border-radius:50%;cursor:pointer;
  display:grid;place-items:center;background:rgba(10,5,30,.7);border:1px solid var(--cyan);box-shadow:0 0 14px rgba(46,242,255,.45);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);touch-action:manipulation}
.mus .eq{display:flex;align-items:flex-end;gap:3px;height:18px}
.mus .eq i{width:3px;height:100%;border-radius:2px;background:var(--cyan);box-shadow:0 0 6px var(--cyan);transform-origin:bottom;animation:eq 1s ease-in-out infinite}
.mus .eq i:nth-child(2){animation-delay:-.3s;background:var(--pink);box-shadow:0 0 6px var(--pink)}
.mus .eq i:nth-child(3){animation-delay:-.6s}
.mus .eq i:nth-child(4){animation-delay:-.15s;background:var(--yel);box-shadow:0 0 6px var(--yel)}
@keyframes eq{0%,100%{transform:scaleY(.25)}50%{transform:scaleY(1)}}
.mus.off{border-color:rgba(155,92,255,.5);box-shadow:none}
.mus.off .eq i{animation:none;transform:scaleY(.2);background:var(--mut);box-shadow:none}

/* ---------- Teléfono ---------- */
@media (max-width:860px),(orientation:portrait){
  .card{left:12px;right:12px;width:auto;top:auto;bottom:calc(12px + env(safe-area-inset-bottom));transform:none;max-height:56dvh;padding:20px 20px 16px;border-radius:18px}
  .card h2{font-size:2.1rem;margin:4px 0 8px}
  .card-hero h1{font-size:2.3rem;margin:6px 0}
  .card-hero .btn{margin-top:12px}
  .meter-n b{font-size:2.6rem}
  .cd b{font-size:1.4rem}
  .rail{right:0;top:calc(10px + env(safe-area-inset-top));transform:none;flex-direction:row;gap:0}
  .rail a{padding:9px}.rail a span{display:none}
  .scrollcue{display:none}
  .mus{left:10px;top:calc(8px + env(safe-area-inset-top));bottom:auto;width:40px;height:40px}
  .reg{padding-top:84px}
}
@media (max-width:860px) and (max-height:720px){
  .card{max-height:60dvh;padding:14px 16px 8px}
  .card h2{font-size:1.75rem}
  .card-hero h1{font-size:1.95rem}
  .card .body{font-size:.88rem}
  .steps{gap:8px}.steps li{font-size:.86rem}
  .meter{margin-bottom:8px}
  .pie{margin-top:8px;padding-top:4px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}