/* Bitácora BCBA · Landing pública. Dark premium, azul y violeta. */
:root{
  --bg:#070A1C; --bg2:#0B1029; --card:rgba(17,25,51,.72); --card-solid:#111933; --line:rgba(154,168,255,.14); --line2:rgba(154,168,255,.26);
  --ink:#EEF1FC; --ink2:#B6BEDD; --ink3:#8E97BC; --acc:#9AA8FF; --a1:#5E6BFF; --a2:#8B5CF6;
  --grad:linear-gradient(135deg,#5E6BFF 0%,#8B5CF6 100%);
  --r:20px; --shadow:0 24px 60px -28px rgba(0,0,0,.75);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:84px}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} *{animation:none!important; transition:none!important} }
body{margin:0; background:var(--bg); color:var(--ink); font:400 16px/1.55 'Plus Jakarta Sans',system-ui,sans-serif; -webkit-font-smoothing:antialiased; overflow-x:hidden}
a{color:inherit}
img{max-width:100%; height:auto; display:block}
h1,h2,h3{margin:0; letter-spacing:-.025em}
.sr{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0)}
.skip{position:absolute; left:12px; top:-60px; z-index:100; background:var(--card-solid); padding:10px 14px; border-radius:10px; text-decoration:none}
.skip:focus{top:12px}
:focus-visible{outline:2px solid var(--acc); outline-offset:3px; border-radius:8px}
.wrap{max-width:1200px; margin:0 auto; padding:0 24px}
.wrap.narrow{max-width:820px}

/* Botones */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:10px; height:44px; padding:0 18px; border-radius:12px; font:600 15px 'Plus Jakarta Sans'; text-decoration:none; border:1px solid transparent; cursor:pointer; transition:transform .18s, box-shadow .18s, background .18s, border-color .18s; white-space:nowrap}
.btn-lg{height:54px; padding:0 26px; font-size:16px; border-radius:14px}
.btn-primary{background:var(--grad); color:#fff; box-shadow:0 14px 32px -14px rgba(94,107,255,.9)}
.btn-primary:hover{transform:translateY(-1px); box-shadow:0 18px 40px -14px rgba(139,92,246,.95)}
.btn-ghost{border-color:var(--line2); color:var(--ink); background:rgba(255,255,255,.02)}
.btn-ghost:hover, .btn-outline:hover{border-color:var(--acc); background:rgba(154,168,255,.08)}
.btn-outline{border-color:var(--line2); color:var(--ink); background:rgba(17,25,51,.5)}
.play{width:26px; height:26px; border-radius:50%; background:#fff; position:relative; flex:none}
.play::after{content:""; position:absolute; left:10px; top:7px; border-left:9px solid #5E6BFF; border-top:6px solid transparent; border-bottom:6px solid transparent}

/* Barra de navegación */
.nav{position:sticky; top:0; z-index:50; transition:background .25s, box-shadow .25s, border-color .25s; border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(7,10,28,.82); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); border-bottom-color:var(--line)}
.nav-in{max-width:1240px; margin:0 auto; padding:14px 24px; display:flex; align-items:center; gap:22px}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none; font:600 19px 'Plus Jakarta Sans'; flex:none}
.brand b{font-weight:600; color:var(--acc)}
.mark{width:36px; height:36px; border-radius:11px; background:var(--grad); color:#fff; display:flex; align-items:center; justify-content:center; font:800 17px 'Plus Jakarta Sans'; box-shadow:0 8px 22px -8px rgba(139,92,246,.9)}
.nav-links{display:flex; gap:4px; margin:0 auto}
.nav-links > a{padding:8px 14px; border-radius:10px; text-decoration:none; color:var(--ink2); font:500 15px 'Plus Jakarta Sans'; transition:color .15s, background .15s}
.nav-links > a:hover{color:var(--ink); background:rgba(154,168,255,.08)}
.nav-mobile-acts{display:none}
.nav-acts{display:flex; align-items:center; gap:10px}
.lang{display:flex; border:1px solid var(--line2); border-radius:10px; overflow:hidden; background:rgba(17,25,51,.6)}
.lang button{border:none; background:transparent; color:var(--ink3); font:600 13px 'Plus Jakarta Sans'; padding:8px 11px; cursor:pointer}
.lang button[aria-pressed="true"]{background:rgba(94,107,255,.28); color:#fff}
.burger{display:none; width:44px; height:44px; border-radius:12px; border:1px solid var(--line2); background:rgba(17,25,51,.6); cursor:pointer; flex-direction:column; align-items:center; justify-content:center; gap:4px}
.burger i{display:block; width:18px; height:2px; background:var(--ink); border-radius:2px; transition:transform .2s, opacity .2s}
.menu-open .burger i:nth-of-type(1){transform:translateY(6px) rotate(45deg)}
.menu-open .burger i:nth-of-type(2){opacity:0}
.menu-open .burger i:nth-of-type(3){transform:translateY(-6px) rotate(-45deg)}

/* Hero */
.hero{position:relative; padding:56px 0 40px; overflow:hidden}
.hero::before{content:""; position:absolute; inset:-20% -10% auto; height:900px; z-index:-1; background:
  radial-gradient(700px 420px at 72% 34%, rgba(110,91,255,.28), transparent 65%),
  radial-gradient(600px 420px at 10% 10%, rgba(61,91,255,.16), transparent 60%)}
.hero::after{content:""; position:absolute; inset:0; z-index:-1; opacity:.5; background-image:radial-gradient(rgba(255,255,255,.55) 1px, transparent 1.2px); background-size:120px 120px; mask-image:linear-gradient(180deg, #000 0%, transparent 85%)}
.hero-grid{display:grid; grid-template-columns:minmax(0,1.02fr) minmax(0,1fr); gap:40px; align-items:center}
.hero-copy{display:flex; flex-direction:column; gap:22px; align-items:flex-start}
.pill{display:inline-flex; align-items:center; gap:10px; padding:7px 14px; border-radius:99px; border:1px solid var(--line2); background:rgba(17,25,51,.6); color:var(--ink2); font:500 14px 'Plus Jakarta Sans'}
.pill i{width:8px; height:8px; border-radius:50%; background:var(--a2); box-shadow:0 0 10px var(--a2)}
.hero h1{font:800 clamp(40px,5.4vw,68px)/1.02 'Plus Jakarta Sans'; letter-spacing:-.04em; text-wrap:balance}
.grad{background:linear-gradient(90deg,#7F8CFF 0%,#A57BFF 60%,#C08BFF 100%); -webkit-background-clip:text; background-clip:text; color:transparent}
.lead{margin:0; font-size:clamp(17px,1.5vw,19px); color:var(--ink2); max-width:56ch}
.lead2{margin:-8px 0 0; font-size:15px; color:var(--ink3); max-width:58ch}
.cta-row{display:flex; gap:12px; flex-wrap:wrap; margin-top:4px}
.checks{list-style:none; padding:0; margin:0; display:flex; flex-wrap:wrap; gap:10px 22px; color:var(--ink2); font:500 14px 'Plus Jakarta Sans'}
.checks li{display:flex; align-items:center; gap:8px}
.checks li::before, .plan li::before{content:""; width:20px; height:20px; flex:none; border-radius:50%; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat, var(--grad)}

/* Composición del cerebro */
.hero-art{position:relative; aspect-ratio:1.18; width:100%; max-width:620px; justify-self:center}
.brain-wrap{position:absolute; inset:2% 0 6%; display:flex; align-items:center; justify-content:center; animation:float 7s ease-in-out infinite}
.brain-wrap img{width:100%; height:auto; filter:drop-shadow(0 30px 70px rgba(94,107,255,.35))}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.tag{position:absolute; padding:9px 16px; border-radius:99px; background:rgba(17,25,51,.82); border:1px solid rgba(154,168,255,.35); color:var(--ink); font:600 14px 'Plus Jakarta Sans'; backdrop-filter:blur(8px); box-shadow:0 10px 30px -12px rgba(94,107,255,.6); animation:bob 6s ease-in-out infinite; white-space:nowrap}
.t1{left:2%; top:14%} .t2{right:4%; top:6%; animation-delay:-1.5s} .t3{right:-2%; top:38%; animation-delay:-3s} .t4{left:20%; bottom:6%; animation-delay:-2s} .t5{left:-3%; top:52%; animation-delay:-4s}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.mini{position:absolute; border-radius:16px; padding:14px 16px; background:linear-gradient(180deg,rgba(23,33,66,.92),rgba(14,21,45,.92)); border:1px solid rgba(154,168,255,.28); box-shadow:var(--shadow); backdrop-filter:blur(10px)}
.mini-h{font:700 14px 'Plus Jakarta Sans'; display:flex; align-items:center; gap:8px; margin-bottom:8px}
.mi{width:24px; height:24px; border-radius:7px; background:var(--grad); display:flex; align-items:center; justify-content:center; font-size:11px; color:#fff}
.m-study{left:-4%; bottom:16%; width:200px}
.m-study ol{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:7px; font:500 13px 'Plus Jakarta Sans'; color:var(--ink2)}
.m-study li{display:flex; align-items:center; gap:8px}
.m-study li::before{content:""; width:16px; height:16px; border-radius:50%; border:2px solid var(--line2); flex:none}
.m-study li.on::before{border:none; background:#22C59A url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%23fff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.m-prog{right:0; bottom:10%; width:210px}
.spark{width:100%; height:auto}
.mini-demo{position:absolute; top:12px; right:12px; font:700 10px 'Plus Jakarta Sans'; letter-spacing:.08em; text-transform:uppercase; color:var(--ink3); border:1px solid var(--line2); border-radius:6px; padding:2px 6px}

/* Secciones */
.sec{padding:84px 0}
.sec-head{text-align:center; display:flex; flex-direction:column; align-items:center; gap:12px; margin-bottom:40px}
.sec-head h2{font:800 clamp(28px,3.4vw,42px)/1.1 'Plus Jakarta Sans'; text-wrap:balance; max-width:30ch}
.sec-head p{margin:0; color:var(--ink2); max-width:60ch; font-size:17px}
.eyebrow{font:700 12px 'Plus Jakarta Sans'; letter-spacing:.14em; text-transform:uppercase; color:var(--acc)}

/* Previews */
.previews{padding-top:40px}
.pv-tabs{display:flex; justify-content:center; flex-wrap:wrap; gap:8px; margin:0 auto 28px; padding:6px; border-radius:16px; background:rgba(17,25,51,.55); border:1px solid var(--line); width:max-content; max-width:100%}
.pv-tabs button{border:none; background:transparent; color:var(--ink2); font:600 15px 'Plus Jakarta Sans'; padding:10px 16px; border-radius:11px; cursor:pointer; transition:background .2s, color .2s}
.pv-tabs button:hover{color:var(--ink); background:rgba(154,168,255,.08)}
.pv-tabs button[aria-selected="true"]{background:var(--grad); color:#fff; box-shadow:0 10px 24px -12px rgba(94,107,255,.9)}
.pv-stage{position:relative; display:flex; align-items:center; gap:14px}
.pv-viewport{position:relative; flex:1; min-width:0}
.pv-frame{position:relative; z-index:2; margin:0 auto; max-width:1000px; border-radius:18px; overflow:hidden; border:1px solid rgba(154,168,255,.35); background:#0B1029; box-shadow:0 40px 100px -40px rgba(94,107,255,.6), 0 0 0 6px rgba(94,107,255,.06); transition:opacity .2s, transform .2s}
.pv-frame.swap{opacity:0; transform:translateY(6px) scale(.995)}
.pv-chrome{display:flex; align-items:center; gap:7px; padding:10px 14px; background:rgba(17,25,51,.95); border-bottom:1px solid var(--line)}
.pv-chrome i{width:10px; height:10px; border-radius:50%; background:#2A355F}
.pv-chrome i:first-child{background:#E5677A} .pv-chrome i:nth-child(2){background:#E0B04E} .pv-chrome i:nth-child(3){background:#3CC69B}
.pv-chrome span{margin-left:10px; flex:1; max-width:340px; padding:4px 12px; border-radius:8px; background:rgba(7,10,28,.7); color:var(--ink3); font:500 12px 'Plus Jakarta Sans'}
.pv-shot{position:relative; aspect-ratio:1440/900; background:#080C1A}
.pv-shot img{width:100%; height:100%; object-fit:cover; object-position:top left}
.pv-demo{position:absolute; right:12px; bottom:12px; padding:4px 10px; border-radius:8px; background:rgba(7,10,28,.82); border:1px solid var(--line2); color:var(--ink2); font:600 12px 'Plus Jakarta Sans'}
.pv-ghost{position:absolute; top:8%; width:46%; z-index:1; opacity:.28; border-radius:14px; overflow:hidden; border:1px solid var(--line); filter:blur(.5px) saturate(.8); pointer-events:none}
.pv-ghost.left{left:-8%; transform:perspective(900px) rotateY(18deg)} .pv-ghost.right{right:-8%; transform:perspective(900px) rotateY(-18deg)}
.pv-ghost img{width:100%; aspect-ratio:1440/900; object-fit:cover; object-position:top left}
.pv-arrow{flex:none; width:52px; height:52px; border-radius:50%; border:1px solid var(--line2); background:rgba(17,25,51,.85); color:var(--ink); cursor:pointer; display:flex; align-items:center; justify-content:center; z-index:3; transition:background .2s, border-color .2s}
.pv-arrow:hover{border-color:var(--acc); background:rgba(94,107,255,.25)}
.pv-arrow svg{width:22px; height:22px; fill:none; stroke:currentColor; stroke-width:2.4; stroke-linecap:round; stroke-linejoin:round}
.pv-caption{text-align:center; margin:26px auto 0; max-width:62ch; min-height:84px}
.pv-caption h3{font:700 20px 'Plus Jakarta Sans'}
.pv-caption p{margin:6px 0 0; color:var(--ink2)}
.pv-dots{display:flex; justify-content:center; gap:8px; margin-top:12px}
.pv-dots i{width:8px; height:8px; border-radius:99px; background:var(--line2); cursor:pointer; transition:width .25s, background .25s}
.pv-dots i.on{width:26px; background:var(--grad)}

/* Funciones */
.features{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px}
.feat{padding:24px; border-radius:var(--r); background:var(--card); border:1px solid var(--line); transition:transform .2s, border-color .2s, box-shadow .2s}
.feat:hover{transform:translateY(-3px); border-color:var(--line2); box-shadow:var(--shadow)}
.feat-ic{width:48px; height:48px; border-radius:14px; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,rgba(94,107,255,.3),rgba(139,92,246,.3)); border:1px solid rgba(154,168,255,.3); margin-bottom:16px}
.feat-ic svg, .step-ic svg{width:24px; height:24px; fill:none; stroke:#C9D0FF; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round}
.feat h3{font:700 18px 'Plus Jakarta Sans'}
.feat p{margin:8px 0 0; color:var(--ink2); font-size:15px}

/* Cómo funciona */
.steps{list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; counter-reset:s}
.step{position:relative; display:flex; gap:16px; align-items:flex-start; padding:26px; border-radius:var(--r); background:var(--card); border:1px solid var(--line)}
.step-n{position:absolute; top:-14px; left:22px; width:32px; height:32px; border-radius:50%; background:var(--grad); color:#fff; font:800 15px 'Plus Jakarta Sans'; display:flex; align-items:center; justify-content:center; box-shadow:0 8px 20px -8px rgba(139,92,246,.9)}
.step-ic{flex:none; width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center; background:rgba(94,107,255,.14); border:1px solid rgba(154,168,255,.28)}
.step h3{font:700 19px 'Plus Jakarta Sans'}
.step p{margin:6px 0 0; color:var(--ink2); font-size:15px}

/* Testimonios */
.testi{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:16px}
.tcard{margin:0; padding:26px; border-radius:var(--r); background:var(--card); border:1px solid var(--line)}
.tcard blockquote{margin:0; font-size:17px; color:var(--ink)}
.tcard figcaption{margin-top:14px; display:flex; flex-direction:column; color:var(--ink3); font-size:14px}
.tcard.empty{grid-column:1/-1; display:flex; gap:24px; align-items:center; max-width:760px; margin:0 auto; border-style:dashed}
.tcard.empty img{width:120px; flex:none; opacity:.85}
.tcard.empty h3{font:700 19px 'Plus Jakarta Sans'}
.tcard.empty p{margin:6px 0 0; color:var(--ink2)}

/* Precios */
.plans{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; max-width:880px; margin:0 auto}
.plan{position:relative; display:flex; flex-direction:column; gap:14px; padding:30px; border-radius:24px; background:var(--card); border:1px solid var(--line)}
.plan.featured{background:linear-gradient(180deg, rgba(94,107,255,.18), rgba(17,25,51,.85) 55%); border-color:rgba(154,168,255,.45); box-shadow:0 30px 80px -40px rgba(139,92,246,.8)}
.plan-badge{position:absolute; top:-13px; right:24px; padding:5px 12px; border-radius:99px; background:var(--grad); color:#fff; font:700 12px 'Plus Jakarta Sans'}
.plan h3{font:700 20px 'Plus Jakarta Sans'}
.plan-price{display:flex; align-items:baseline; gap:8px}
.plan-price b{font:800 36px 'Plus Jakarta Sans'; letter-spacing:-.03em}
.plan-price span{color:var(--ink3)}
.plan-note{margin:-6px 0 0; color:var(--ink3); font-size:14px}
.plan ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; flex:1}
.plan li{display:flex; gap:10px; align-items:flex-start; color:var(--ink2); font-size:15px}
.plan .btn{width:100%}

/* FAQ */
.faq{display:flex; flex-direction:column; gap:10px}
.qa{border-radius:16px; background:var(--card); border:1px solid var(--line); transition:border-color .2s}
.qa[open]{border-color:var(--line2)}
.qa summary{list-style:none; cursor:pointer; padding:18px 20px; display:flex; justify-content:space-between; gap:16px; align-items:center; font:600 17px 'Plus Jakarta Sans'}
.qa summary::-webkit-details-marker{display:none}
.qa-ic{width:26px; height:26px; flex:none; border-radius:50%; border:1px solid var(--line2); position:relative; transition:transform .2s}
.qa-ic::before, .qa-ic::after{content:""; position:absolute; left:7px; right:7px; top:12px; height:2px; background:var(--acc); border-radius:2px}
.qa-ic::after{transform:rotate(90deg); transition:transform .2s}
.qa[open] .qa-ic::after{transform:rotate(0)}
.qa p{margin:0; padding:0 20px 20px; color:var(--ink2)}

/* CTA final y pie */
.final{position:relative; overflow:hidden; display:flex; align-items:center; gap:28px; padding:36px 40px; border-radius:28px; background:linear-gradient(120deg,#1B2366 0%,#2B2275 50%,#4A2C8F 100%); border:1px solid rgba(154,168,255,.3)}
.final > div{flex:1}
.final h2{font:800 clamp(24px,2.6vw,32px)/1.15 'Plus Jakarta Sans'}
.final p{margin:8px 0 0; color:rgba(255,255,255,.82)}
.final-brain{width:150px; flex:none}
.foot{border-top:1px solid var(--line); padding:48px 0 0; background:linear-gradient(180deg, transparent, rgba(11,16,41,.8))}
.foot-grid{display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:28px}
.foot-brand p{margin:12px 0 0; color:var(--ink3); max-width:34ch; font-size:15px}
.foot-col{display:flex; flex-direction:column; gap:10px; align-items:flex-start}
.foot-col h3{font:700 13px 'Plus Jakarta Sans'; letter-spacing:.1em; text-transform:uppercase; color:var(--ink3); margin-bottom:4px}
.foot-col a{color:var(--ink2); text-decoration:none; font-size:15px}
.foot-col a:hover{color:var(--ink)}
.foot-copy{margin:40px 0 0; padding:22px 16px; text-align:center; border-top:1px solid var(--line); color:var(--ink3); font-size:14px}

/* Responsive */
@media (max-width: 1080px){
  .nav-links > a{padding:8px 10px; font-size:14px}
  .features{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pv-ghost{display:none}
}
@media (max-width: 960px){
  .burger{display:flex}
  .hide-sm{display:none!important}
  .nav-links{position:fixed; inset:68px 12px auto; flex-direction:column; gap:2px; padding:12px; border-radius:18px; background:rgba(11,16,41,.97); border:1px solid var(--line2); box-shadow:var(--shadow); opacity:0; visibility:hidden; transform:translateY(-8px); transition:opacity .2s, transform .2s, visibility .2s}
  .menu-open .nav-links{opacity:1; visibility:visible; transform:none}
  .nav-links > a{padding:12px 14px; font-size:16px}
  .nav-mobile-acts{display:flex; flex-direction:column; gap:8px; padding-top:10px; margin-top:6px; border-top:1px solid var(--line)}
  .nav-mobile-acts .btn{width:100%}
  .nav-mobile-acts .btn[hidden]{display:none}
  .nav-acts{margin-left:auto}
  .hero{padding-top:24px}
  .hero-grid{grid-template-columns:minmax(0,1fr); gap:20px}
  .hero-art{order:-1; max-width:460px; width:100%}
  .steps{grid-template-columns:minmax(0,1fr); gap:28px}
  .plans{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
}
@media (max-width: 640px){
  .wrap{padding:0 16px}
  .nav-in{padding:12px 16px; gap:10px}
  .brand{font-size:17px}
  .sec{padding:60px 0}
  .hero h1{font-size:40px}
  .cta-row .btn{width:100%}
  .hero-art{max-width:360px}
  .tag{font-size:12px; padding:6px 11px}
  .t3{right:0} .t5{left:0}
  .mini{display:none}
  .features{grid-template-columns:minmax(0,1fr)}
  .pv-tabs{width:auto; flex-wrap:nowrap; overflow-x:auto; justify-content:flex-start; scrollbar-width:none}
  .pv-tabs::-webkit-scrollbar{display:none}
  .pv-tabs button{flex:none; font-size:14px; padding:9px 13px}
  .pv-arrow{position:absolute; top:50%; transform:translateY(-50%); width:40px; height:40px}
  .pv-arrow.prev{left:-6px} .pv-arrow.next{right:-6px}
  .pv-frame{border-radius:12px}
  .pv-chrome span{display:none}
  .final{flex-direction:column; text-align:center; padding:28px 22px}
  .final .btn{width:100%}
  .tcard.empty{flex-direction:column; text-align:center}
}
[hidden]{display:none!important}