/* Club de socios Electro Tuber: negro, oro y rojo de marca */
:root{--bg:#07070a;--bg-2:#0e0e12;--surface:#14141a;--surface-2:#1c1c24;--line:rgba(255,255,255,.1);--text:#f4f0ea;--soft:rgba(244,240,234,.68);
  --rojo:#d10f1b;--rojo-2:#ff3b45;--oro:#f5d27a;--oro-2:#c9a227;--ok:#1f9d55;--danger:#d93636;--wa:#1fa855;
  --g-oro:linear-gradient(110deg,#c9a227 0%,#f5d27a 45%,#fff1c4 55%,#c9a227 100%)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:1220px;margin:0 auto;padding:0 24px}
.ico{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.oro{background:var(--g-oro);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:brilla 5s linear infinite}
@keyframes brilla{to{background-position:-200% 0}}

/* Cabecera */
.cab{position:sticky;top:0;z-index:60;background:rgba(7,7,10,.72);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;letter-spacing:-.02em}
.logo-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--rojo),var(--rojo-2));display:grid;place-items:center;color:#fff}
.logo b{color:var(--rojo-2)}
.menu{display:flex;gap:6px}
.menu a{padding:8px 12px;border-radius:10px;font-weight:600;font-size:.94rem;color:var(--soft)}
.menu a:hover{color:#fff;background:rgba(255,255,255,.06)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:14px;font:700 .98rem Inter,system-ui,sans-serif;border:1px solid transparent;cursor:pointer;color:inherit;white-space:nowrap;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn .ico{width:20px;height:20px}
.btn-oro{background:var(--g-oro);background-size:200% 100%;color:#1a1405;box-shadow:0 12px 30px rgba(201,162,39,.35);animation:brilla 5s linear infinite}
.btn-cristal{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.22);color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-rojo{background:var(--rojo);color:#fff;box-shadow:0 10px 26px rgba(209,15,27,.35)}
.btn-save{background:var(--ok);color:#fff;width:100%}
.btn-cancel{background:var(--danger);color:#fff}
.btn-sm{min-height:44px;padding:0 16px;font-size:.9rem}
.btn-xl{min-height:56px;padding:0 26px;font-size:1.02rem}
.btn[disabled]{opacity:.6;pointer-events:none}

/* Portada 3D */
.hero{position:relative;min-height:calc(100svh - 68px);display:flex;align-items:center;overflow:hidden;isolation:isolate}
.escena{position:absolute;inset:0;z-index:-2}
#tarjetas{width:100%;height:100%;display:block;touch-action:pan-y}
.velo{position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,rgba(7,7,10,.92) 0%,rgba(7,7,10,.55) 34%,rgba(7,7,10,0) 58%),linear-gradient(0deg,rgba(7,7,10,.8),rgba(7,7,10,0) 26%)}
.hero-copy{position:relative;max-width:1220px;width:100%;pointer-events:none}
.hero-copy>*{max-width:540px;pointer-events:auto}
.kicker-oro{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(245,210,122,.4);background:rgba(245,210,122,.08);color:var(--oro);font-weight:700;font-size:.85rem}
.kicker-oro .ico{width:16px;height:16px}
.hero h1{margin-top:20px;font-size:clamp(2.6rem,6vw,5.2rem);line-height:.98;letter-spacing:-.05em;font-weight:800}
.lead{margin-top:20px;font-size:1.1rem;color:var(--soft)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.pista{display:inline-flex;align-items:center;gap:8px;margin-top:26px;color:var(--soft);font-size:.88rem}
.pista .ico{width:18px;height:18px;color:var(--oro)}

/* Secciones */
.sec{padding:100px 0}
.sec-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cabeza{max-width:720px;margin-bottom:46px}
.etiqueta{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--oro)}
.etiqueta::before{content:"";width:26px;height:2px;background:var(--g-oro)}
h2{margin-top:12px;font-size:clamp(1.9rem,4vw,3.2rem);line-height:1.04;letter-spacing:-.04em;font-weight:800}
.cabeza p{margin-top:14px;color:var(--soft);font-size:1.06rem}
.revela{opacity:0;transform:translateY(32px);transition:opacity .8s cubic-bezier(.2,.8,.2,1) var(--d,0s),transform .8s cubic-bezier(.2,.8,.2,1) var(--d,0s)}
.revela.visto{opacity:1;transform:none}

/* Niveles */
.niveles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.nivel-c{position:relative;display:flex;flex-direction:column;padding:30px;border-radius:26px;background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s,border-color .35s;cursor:pointer}
.nivel-c::before{content:"";position:absolute;inset:0 0 auto 0;height:5px}
.nivel-c[data-n="amigo"]::before{background:linear-gradient(90deg,#b9bcc4,#f4f4f6)}
.nivel-c[data-n="plus"]::before{background:linear-gradient(90deg,var(--rojo),var(--rojo-2))}
.nivel-c[data-n="vip"]{background:linear-gradient(160deg,#1c1810,#0d0c09);border-color:rgba(245,210,122,.35)}
.nivel-c[data-n="vip"]::before{background:var(--g-oro)}
.nivel-c:hover,.nivel-c.sel{transform:translateY(-8px);box-shadow:0 30px 70px rgba(0,0,0,.5)}
.nivel-c.sel{border-color:var(--oro)}
.nivel-c .n-tit{display:flex;align-items:center;justify-content:space-between;gap:10px}
.nivel-c h3{font-size:1.8rem;letter-spacing:-.03em}
.nivel-c[data-n="vip"] h3{color:var(--oro)}
.nivel-c .cuota{margin-top:6px;font-weight:700;font-size:1.05rem}
.nivel-c .lema{color:var(--soft);margin-top:4px}
.nivel-c ul{list-style:none;display:grid;gap:10px;margin:22px 0 26px;flex:1}
.nivel-c li{display:flex;gap:10px;align-items:flex-start}
.nivel-c li .ico{width:20px;height:20px;padding:3px;border-radius:50%;background:rgba(255,255,255,.08);color:var(--oro);stroke-width:3;margin-top:2px}
.nivel-c .tu{position:absolute;top:18px;right:18px;padding:4px 12px;border-radius:999px;background:var(--g-oro);color:#1a1405;font-size:.75rem;font-weight:800}

/* Zonas */
.zonas{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.zona-c{position:relative;padding:28px;border-radius:24px;background:var(--surface);border:1px solid var(--line);overflow:hidden}
.zona-c .z-ic{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:rgba(209,15,27,.15);color:var(--rojo-2);margin-bottom:16px;position:relative}
.zona-c[data-z="vip"] .z-ic{background:rgba(245,210,122,.12);color:var(--oro)}
.zona-c .z-ic .ico{width:28px;height:28px}
.zona-c .z-ic::after{content:"";position:absolute;right:-6px;bottom:-6px;width:24px;height:24px;border-radius:50%;background:#000 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f5d27a' stroke-width='2.2' stroke-linecap='round'%3E%3Crect x='5' y='11' width='14' height='9' rx='2'/%3E%3Cpath d='M8 11V8a4 4 0 0 1 8 0v3'/%3E%3C/svg%3E") center/14px no-repeat;border:2px solid var(--surface)}
.zona-c.abierta .z-ic::after{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231f9d55' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='m5 12 5 5 9-10'/%3E%3C/svg%3E")}
.zona-c h3{font-size:1.25rem}
.zona-c p{color:var(--soft);margin-top:6px}
.zona-c .z-n{display:inline-block;margin-top:14px;font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--oro)}

/* Panel del socio */
.panel{display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:center;padding:30px;border-radius:28px;background:linear-gradient(140deg,var(--surface),var(--bg-2));border:1px solid var(--line);margin-bottom:60px}
.carnet{width:300px;aspect-ratio:1.586;border-radius:18px;padding:20px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 24px 50px rgba(0,0,0,.5);position:relative;overflow:hidden}
.carnet::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 35%,rgba(255,255,255,.35) 50%,transparent 65%);transform:translateX(-100%);animation:reflejo 4s infinite}
@keyframes reflejo{60%,100%{transform:translateX(100%)}}
.carnet.amigo{background:linear-gradient(135deg,#f4f4f6,#b9bcc4);color:#151517}
.carnet.plus{background:linear-gradient(135deg,#ff3b45,#8e0912);color:#fff}
.carnet.vip{background:linear-gradient(135deg,#1a1a1e,#050506);color:var(--oro);border:1px solid rgba(245,210,122,.4)}
.carnet .c-top{display:flex;justify-content:space-between;align-items:center;font-weight:800}
.carnet .c-niv{font-size:1.6rem;font-weight:800;letter-spacing:.04em}
.carnet .c-nom{font-weight:700}
.carnet small{opacity:.75;font-size:.75rem}
.panel h2{margin-top:0;font-size:clamp(1.6rem,3vw,2.4rem)}
.panel .datos{display:flex;flex-wrap:wrap;gap:8px 18px;margin:8px 0 18px;color:var(--soft)}
.panel .acc{display:flex;flex-wrap:wrap;gap:10px}
.pendiente{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:12px;background:rgba(245,210,122,.12);color:var(--oro);font-weight:700}
.invita{text-align:center;padding:40px 24px;border-radius:28px;border:1px dashed rgba(245,210,122,.35);background:rgba(245,210,122,.04);margin-bottom:60px}
.invita h2{margin-top:6px}
.invita p{color:var(--soft);margin:10px auto 20px;max-width:560px}
.invita .acc{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* Ofertas */
.cab-ofertas{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;flex-wrap:wrap;margin-bottom:24px}
.filtro-z{display:flex;gap:6px;padding:4px;border-radius:14px;background:var(--surface);border:1px solid var(--line);overflow-x:auto}
.filtro-z button{min-height:42px;padding:0 14px;border:0;border-radius:10px;background:none;color:var(--soft);font:700 .9rem Inter,system-ui,sans-serif;cursor:pointer;white-space:nowrap}
.filtro-z button[aria-pressed="true"]{background:var(--g-oro);color:#1a1405}
.ofertas{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.oferta{position:relative;display:flex;flex-direction:column;border-radius:22px;background:var(--surface);border:1px solid var(--line);overflow:hidden;transition:transform .3s,box-shadow .3s,border-color .3s}
.oferta:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(0,0,0,.45);border-color:rgba(245,210,122,.35)}
.oferta .of-foto{position:relative;aspect-ratio:4/3;background:#fff;display:grid;place-items:center;padding:16px}
.oferta .of-foto img{max-width:100%;max-height:100%;object-fit:contain}
.oferta .zona-tag{position:absolute;left:10px;top:10px;padding:4px 10px;border-radius:999px;font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.zona-tag.amigo{background:#151517;color:#fff}.zona-tag.plus{background:var(--rojo);color:#fff}.zona-tag.vip{background:var(--g-oro);color:#1a1405}
.oferta .unid{position:absolute;right:10px;top:10px;padding:4px 10px;border-radius:999px;background:#fff3cd;color:#7a5500;font-size:.72rem;font-weight:800}
.oferta .of-c{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.oferta .marca{font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}
.oferta h3{font-size:1.02rem;line-height:1.3}
.oferta .precio{display:flex;align-items:baseline;gap:10px;margin-top:auto;padding-top:8px}
.oferta .precio strong{font-size:1.7rem;font-weight:800;letter-spacing:-.03em;color:var(--oro)}
.oferta .precio s{color:var(--soft);font-size:.95rem}
.oferta .ahorro{font-size:.82rem;font-weight:700;color:#7ee2a8}
.oferta .escala{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;margin-top:8px}
.oferta .escala div{padding:6px 4px;border-radius:9px;background:var(--surface-2);text-align:center;font-size:.72rem;color:var(--soft)}
.oferta .escala b{display:block;color:var(--text);font-size:.85rem}
.oferta .escala .yo{outline:2px solid var(--oro)}
.oferta .escala .lock b{color:var(--soft)}
.oferta .escala .lock .ico{width:14px;height:14px;vertical-align:-2px}
.oferta.bloqueada .of-foto img{filter:blur(6px) grayscale(.6);opacity:.6}
.oferta.bloqueada .candado{position:absolute;inset:0;display:grid;place-items:center;align-content:center;gap:8px;text-align:center;color:#151517;font-weight:800;font-size:.9rem;padding:16px}
.oferta.bloqueada .candado .ico{width:40px;height:40px;padding:9px;border-radius:50%;background:#151517;color:var(--oro)}
.oferta.bloqueada .precio strong{color:var(--soft);font-size:1rem}
.vacio{grid-column:1/-1;text-align:center;padding:50px 20px;color:var(--soft);border:1px dashed var(--line);border-radius:22px}
.vacio .ico{width:44px;height:44px;margin:0 auto 10px;display:block;color:var(--oro)}

/* Cómo funciona y FAQ */
.pasos{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.paso{padding:28px;border-radius:24px;background:var(--surface);border:1px solid var(--line)}
.paso span{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--g-oro);color:#1a1405;font-weight:800;font-size:1.3rem;margin-bottom:16px}
.paso h3{font-size:1.2rem}.paso p{color:var(--soft);margin-top:6px}
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px}
.faq-l{display:grid;gap:10px}
.faq-l details{border-radius:16px;background:var(--surface);border:1px solid var(--line)}
.faq-l details[open]{border-color:rgba(245,210,122,.4)}
.faq-l summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:58px;padding:0 18px;font-weight:700;cursor:pointer;list-style:none}
.faq-l summary::-webkit-details-marker{display:none}
.faq-l summary::after{content:"";width:10px;height:10px;border-right:2px solid var(--oro);border-bottom:2px solid var(--oro);transform:rotate(45deg);transition:transform .25s;flex:none}
.faq-l details[open] summary::after{transform:rotate(-135deg)}
.faq-l p{padding:0 18px 18px;color:var(--soft)}

.pie{padding:40px 0 30px;border-top:1px solid var(--line);color:var(--soft);font-size:.88rem}
.pie-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.pie nav{display:flex;gap:18px;flex-wrap:wrap}
.pie a:hover{color:#fff}
.pie .logo{color:#fff}

/* Ventana de acceso (X roja, Esc o pulsar fuera) */
.modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px;background:rgba(0,0,0,.7);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.modal[hidden]{display:none}
.modal-caja{position:relative;width:min(480px,100%);max-height:calc(100svh - 40px);overflow:auto;padding:30px;border-radius:24px;background:var(--surface);border:1px solid rgba(245,210,122,.25);box-shadow:0 40px 90px rgba(0,0,0,.6);animation:sube .35s cubic-bezier(.2,.8,.2,1)}
@keyframes sube{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:none}}
.modal-x{position:absolute;top:14px;right:14px;width:42px;height:42px;border-radius:10px;border:0;background:var(--danger);color:#fff;display:grid;place-items:center;cursor:pointer}
.modal-x .ico{stroke-width:2.6}
.modal h2{margin:0 0 16px;font-size:1.5rem;letter-spacing:-.02em}
.tabs-a{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:20px}
.tabs-a button{display:flex;flex-direction:column;align-items:center;gap:4px;min-height:64px;padding:8px 4px;border-radius:12px;border:1px solid var(--line);background:var(--bg-2);color:var(--soft);font:700 .76rem Inter,system-ui,sans-serif;cursor:pointer;text-align:center}
.tabs-a button[aria-selected="true"]{border-color:var(--oro);color:var(--oro);background:rgba(245,210,122,.08)}
.pan{display:grid;gap:8px}
.pan[hidden]{display:none}
.pan label{font-weight:600;font-size:.9rem;margin-top:6px}
.pan input{width:100%;min-height:50px;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);font:inherit;font-size:16px}
.pan input:focus{outline:none;border-color:var(--oro);box-shadow:0 0 0 4px rgba(245,210,122,.15)}
.pan input.codigo{font-size:1.8rem;letter-spacing:.5em;text-align:center;font-weight:800}
.pan .btn{margin-top:12px}
.pan .check{display:flex;gap:10px;align-items:flex-start;font-weight:400;color:var(--soft);font-size:.86rem}
.pan .check input{width:20px;min-height:20px;height:20px;flex:none;margin-top:2px;accent-color:var(--oro)}
.nota{color:var(--soft);font-size:.85rem}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,40px);opacity:0;pointer-events:none;background:var(--surface-2);color:var(--text);border:1px solid var(--line);border-left:4px solid var(--ok);padding:14px 20px;border-radius:12px;box-shadow:0 18px 40px rgba(0,0,0,.5);transition:all .3s;z-index:300;font-weight:500;max-width:calc(100% - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{border-left-color:var(--danger)}
.barra-movil{display:none}

@media (max-width:1024px){
  .niveles,.zonas,.pasos{grid-template-columns:1fr}
  .faq{grid-template-columns:1fr}
  .panel{grid-template-columns:1fr}
  .menu{display:none}
}
@media (max-width:760px){
  .wrap{padding:0 16px}
  .hero{min-height:calc(100svh - 68px - 70px);align-items:flex-end;padding-bottom:30px}
  .velo{background:linear-gradient(0deg,rgba(7,7,10,.96) 0%,rgba(7,7,10,.75) 42%,rgba(7,7,10,0) 70%)}
  .hero h1{font-size:2.6rem}
  .lead{font-size:1rem;margin-top:12px}
  .hero-cta{margin-top:18px}
  .hero-cta .btn{flex:1 1 100%}
  .pista{margin-top:14px}
  .sec{padding:64px 0}
  .niveles,.zonas,.pasos{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -16px;padding:6px 16px 16px;scrollbar-width:none}
  .niveles::-webkit-scrollbar,.zonas::-webkit-scrollbar,.pasos::-webkit-scrollbar{display:none}
  .nivel-c,.zona-c,.paso{flex:0 0 84%;scroll-snap-align:start}
  .carnet{width:100%;max-width:320px}
  .panel{padding:20px}
  .nav-actions .btn span{display:none}
  body{padding-bottom:74px}
  .barra-movil{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:60;background:#0e0e12;border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .barra-movil a{display:flex;flex-direction:column;align-items:center;gap:2px;min-height:52px;justify-content:center;font-size:.72rem;font-weight:600;color:var(--soft)}
  .barra-movil a .ico{width:22px;height:22px}
  .barra-movil a.cta{color:var(--oro)}
  .toast{bottom:92px}
}
@media (prefers-reduced-motion: reduce){.revela{opacity:1;transform:none;transition:none}.oro,.btn-oro{animation:none}.carnet::after{display:none}}