:root{
  --aqua:#2ee6c5;--aqua-2:#14b8a6;--aqua-d:#0b7f74;--orange:#ff8a3d;--orange-2:#ff6a13;
  --white:#ffffff;--ink:#f4fffd;--muted:#c4dcd8;--glass:rgba(6,16,20,.72);--glass-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.14);--radius:20px;--shadow:0 20px 50px rgba(0,0,0,.45);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#06090c;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.65;font-size:17px;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--aqua)}
h1,h2,h3,h4{line-height:1.18;letter-spacing:-.015em;margin-top:0}

/* Fondo fijo de toda la página */
.bg{position:fixed;inset:0;z-index:-2;background:#06090c url("fondo.jpg") center/cover no-repeat}
@supports (background-image:url("x.webp")){.bg{background-image:url("fondo.webp"),url("fondo.jpg")}}
.bg::after{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 600px at 15% 10%,rgba(46,230,197,.22),transparent 60%),
  radial-gradient(800px 600px at 90% 90%,rgba(255,138,61,.20),transparent 60%),
  linear-gradient(180deg,rgba(3,8,10,.30),rgba(3,8,10,.55))}
.glow{position:fixed;width:420px;height:420px;border-radius:50%;filter:blur(90px);opacity:.25;z-index:-1;pointer-events:none;transition:transform .2s ease-out;background:var(--aqua);left:-210px;top:-210px}

.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.notice{background:linear-gradient(90deg,var(--aqua-d),var(--aqua-2));color:#fff;font-size:14px;font-weight:700;text-align:center;padding:8px 16px}

header.nav{position:sticky;top:0;z-index:50;background:rgba(5,12,14,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;text-decoration:none;font-size:18px}
.logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:conic-gradient(from 200deg,var(--aqua),var(--orange),var(--aqua));box-shadow:0 0 22px rgba(46,230,197,.5)}
.logo-mark span{width:30px;height:30px;border-radius:9px;background:#071114;display:grid;place-items:center;font-size:16px}
.logo b{color:var(--orange)}
.menu{display:flex;gap:2px}
.menu a{color:#e8fbf8;text-decoration:none;font-size:15px;padding:8px 13px;border-radius:999px;transition:.2s}
.menu a:hover{background:rgba(46,230,197,.15);color:#fff}
.burger{display:none;background:var(--glass-2);border:1px solid var(--line);color:#fff;border-radius:12px;width:42px;height:42px;font-size:18px;cursor:pointer}
@media (max-width:920px){
  .burger{display:block}
  .menu{position:absolute;top:68px;left:0;right:0;flex-direction:column;background:rgba(5,12,14,.96);border-bottom:1px solid var(--line);padding:10px 16px;display:none}
  .menu.open{display:flex}
}

/* Hero */
.hero{padding:80px 0 70px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center}
@media (max-width:880px){.hero .wrap{grid-template-columns:1fr}.hero{padding-top:50px}}
.chip{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(46,230,197,.45);background:rgba(46,230,197,.12);color:var(--aqua);font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:20px}
.chip i{width:8px;height:8px;border-radius:50%;background:var(--aqua);box-shadow:0 0 10px var(--aqua);animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.3}}
.hero h1{font-size:clamp(38px,6vw,70px);margin:0 0 20px;color:#fff;text-shadow:0 4px 30px rgba(0,0,0,.5)}
.grad{background:linear-gradient(90deg,var(--aqua),#fff 45%,var(--orange));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:600px;margin:0 0 30px}
.typing{color:var(--orange);font-weight:700;border-right:2px solid var(--orange);padding-right:4px;white-space:nowrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:800;text-decoration:none;padding:14px 24px;border-radius:999px;border:0;cursor:pointer;font-size:16px;transition:transform .2s,box-shadow .2s;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn.aqua{background:linear-gradient(135deg,var(--aqua),var(--aqua-2));color:#04201c;box-shadow:0 10px 30px rgba(46,230,197,.35)}
.btn.orange{background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#2a1000;box-shadow:0 10px 30px rgba(255,138,61,.35)}
.btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{position:relative;max-width:400px;margin:0 auto;perspective:900px}
.hero-visual .frame{border-radius:28px;overflow:hidden;border:1px solid rgba(46,230,197,.5);box-shadow:0 0 0 6px rgba(46,230,197,.08),0 30px 80px rgba(0,0,0,.6),0 0 60px rgba(46,230,197,.25);transition:transform .25s ease-out}
.hero-visual img{aspect-ratio:3/4;object-fit:cover;width:100%}
.badge{position:absolute;background:rgba(6,16,18,.85);backdrop-filter:blur(8px);border:1px solid var(--line);color:#fff;border-radius:14px;padding:10px 14px;font-weight:700;font-size:14px;box-shadow:var(--shadow);animation:bob 4.5s ease-in-out infinite}
.badge.b1{left:-30px;top:14%;border-color:rgba(46,230,197,.6)}
.badge.b2{right:-26px;bottom:16%;border-color:rgba(255,138,61,.6);animation-delay:-2.2s}
@keyframes bob{50%{transform:translateY(-10px)}}
@media (max-width:520px){.badge.b1{left:0}.badge.b2{right:0}}

section{padding:80px 0}
.eyebrow{display:inline-block;color:var(--orange);font-weight:800;text-transform:uppercase;font-size:13px;letter-spacing:.14em}
.section-title{font-size:clamp(30px,4.4vw,46px);margin:8px 0 14px;color:#fff}
.lead{color:var(--muted);max-width:740px;font-size:18px}
.panel{background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:28px;padding:clamp(24px,4vw,48px);box-shadow:var(--shadow)}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:960px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g4,.g3,.g2{grid-template-columns:1fr}}
.card{background:rgba(6,16,20,.6);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .25s,border-color .25s,background .25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);border-color:rgba(46,230,197,.55);background:rgba(46,230,197,.08)}
.card h3{font-size:19px;margin:14px 0 8px;color:#fff}
.card p{margin:0;color:var(--muted);font-size:15.5px}
.ico{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;font-size:24px;background:linear-gradient(135deg,rgba(46,230,197,.25),rgba(255,138,61,.2));border:1px solid var(--line)}

.independent{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;border-color:rgba(255,138,61,.45)}
.independent .big{font-size:40px}
@media (max-width:600px){.independent{grid-template-columns:1fr}}

/* Detector de mensajes */
.detector{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}
@media (max-width:880px){.detector{grid-template-columns:1fr}}
.mock{max-width:330px;margin:0 auto;width:100%;border:10px solid #0b1517;border-radius:40px;background:linear-gradient(170deg,#0e2226,#081214);padding:46px 16px 24px;position:relative;box-shadow:0 0 40px rgba(46,230,197,.18),var(--shadow);min-height:400px}
.mock::before{content:"";position:absolute;top:14px;left:50%;transform:translateX(-50%);width:90px;height:20px;border-radius:12px;background:#000}
.mock .from{font-size:13px;color:var(--muted);margin-bottom:8px}
.bubble{background:#1d3135;border-radius:18px 18px 18px 4px;padding:14px 16px;color:#fff;font-size:15.5px;animation:pop .35s ease}
.bubble .link{color:#7fd8ff;text-decoration:underline;word-break:break-all}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:none}}
.verdict{margin-top:16px;border-radius:14px;padding:12px 14px;font-size:14.5px;display:none;animation:pop .35s ease}
.verdict.ok{display:block;background:rgba(46,230,197,.14);border:1px solid rgba(46,230,197,.5)}
.verdict.bad{display:block;background:rgba(255,106,19,.14);border:1px solid rgba(255,138,61,.6)}
.det-btns{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 10px}
.score{display:flex;gap:18px;flex-wrap:wrap;margin-top:12px;color:var(--muted);font-size:15px}
.score b{color:#fff;font-size:22px;display:block}
.flags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.flags span{font-size:13px;padding:5px 11px;border-radius:999px;background:rgba(255,138,61,.15);border:1px solid rgba(255,138,61,.4);color:#ffd2b5}

/* Permisos */
.perm{display:grid;grid-template-columns:1fr 1fr;gap:28px}
@media (max-width:880px){.perm{grid-template-columns:1fr}}
.app-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.app-icon{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--orange),var(--aqua));display:grid;place-items:center;font-size:26px}
.sw{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--line);gap:12px}
.sw span small{display:block;color:var(--muted);font-size:13px}
.toggle{position:relative;width:52px;height:30px;flex:none}
.toggle input{opacity:0;width:0;height:0}
.toggle i{position:absolute;inset:0;border-radius:30px;background:#33474b;cursor:pointer;transition:.25s}
.toggle i::before{content:"";position:absolute;width:24px;height:24px;left:3px;top:3px;border-radius:50%;background:#fff;transition:.25s}
.toggle input:checked+i{background:var(--orange)}
.toggle input:checked+i::before{transform:translateX(22px)}
.toggle input:focus-visible+i{outline:2px solid var(--aqua);outline-offset:2px}
.gauge{text-align:center}
.gauge svg{width:220px;max-width:100%}
.gauge .lvl{font-size:24px;font-weight:800;margin-top:-30px}
.gauge p{color:var(--muted)}

/* Robo: pasos */
.steps-nav{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}
.steps-nav button{width:46px;height:46px;border-radius:14px;border:1.5px solid var(--line);background:var(--glass-2);color:#fff;font-weight:800;cursor:pointer;font-size:16px;transition:.2s}
.steps-nav button.on{background:var(--aqua);color:#04201c;border-color:var(--aqua);box-shadow:0 0 20px rgba(46,230,197,.5)}
.steps-nav button.done{border-color:var(--aqua);color:var(--aqua)}
.step-body{min-height:150px}
.step-body h3{font-size:24px;color:#fff;margin-bottom:8px}
.step-body p{color:var(--muted);margin:0}
.step-ctrl{display:flex;justify-content:space-between;gap:12px;margin-top:20px;flex-wrap:wrap}

/* Imagen con texto */
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
@media (max-width:880px){.split{grid-template-columns:1fr}}
.photo{margin:0;border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.photo img{width:100%;object-fit:cover;aspect-ratio:4/5;transition:transform 1s}
.photo:hover img{transform:scale(1.05)}
.photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:40px 18px 14px;background:linear-gradient(transparent,rgba(0,0,0,.85));font-size:14px;color:#e5f7f4}
.tips li{margin-bottom:10px;color:var(--muted)}
.tips li b{color:#fff}

/* Checklist */
.check{display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px solid var(--line);cursor:pointer}
.check input{width:20px;height:20px;margin-top:3px;accent-color:var(--aqua);flex:none}
.check.done span{color:var(--aqua)}
.level{display:flex;align-items:center;gap:18px;margin-top:20px}
.level svg{width:84px;height:84px;transform:rotate(-90deg);flex:none}
.level b{font-size:20px;color:#fff;display:block}
.level span{color:var(--muted);font-size:15px}

/* Línea de tiempo */
.timeline-ctrl{margin:26px 0 8px}
input[type=range]{width:100%;accent-color:var(--orange)}
.years{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:4px;flex-wrap:wrap;gap:4px}
.years button{background:none;border:0;color:var(--muted);cursor:pointer;font-size:12.5px;padding:4px 2px;font-family:inherit}
.years button.on{color:var(--orange);font-weight:800}
.era{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;margin-top:20px}
@media (max-width:640px){.era{grid-template-columns:1fr}}
.era-year{font-size:clamp(54px,9vw,96px);font-weight:900;line-height:1;background:linear-gradient(180deg,var(--orange),var(--aqua));-webkit-background-clip:text;background-clip:text;color:transparent}
.era-body h3{font-size:26px;color:#fff;margin-bottom:8px}
.era-body p{color:var(--muted);margin:0}
.era-body .tag{display:inline-block;margin-top:12px;font-size:13px;font-weight:700;padding:4px 12px;border-radius:999px;background:rgba(46,230,197,.15);color:var(--aqua);border:1px solid rgba(46,230,197,.4)}
.anim{animation:pop .4s ease}
.tl-btns{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}

/* Futuro: tarjetas que giran */
.flip{perspective:1000px;min-height:230px;cursor:pointer}
.flip-in{position:relative;width:100%;height:100%;min-height:230px;transition:transform .7s;transform-style:preserve-3d}
.flip.on .flip-in{transform:rotateY(180deg)}
.face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius);border:1px solid var(--line);padding:22px;display:flex;flex-direction:column;justify-content:center}
.front{background:var(--glass-2)}
.front h3{color:#fff;font-size:20px;margin:14px 0 6px}
.front small{color:var(--orange);font-weight:700}
.back{transform:rotateY(180deg);background:linear-gradient(145deg,rgba(46,230,197,.22),rgba(255,138,61,.18));color:#fff;font-size:15.5px}
.flip:hover .front{border-color:rgba(255,138,61,.6)}

/* Quiz */
.q-progress{height:7px;background:rgba(255,255,255,.12);border-radius:7px;overflow:hidden;margin-bottom:20px}
.q-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--aqua),var(--orange));transition:width .35s}
.q-opts{display:grid;gap:10px;margin-top:16px}
.q-opts button{text-align:left;border:1.5px solid var(--line);background:var(--glass-2);color:#fff;padding:14px 16px;border-radius:14px;cursor:pointer;font-size:16px;font-family:inherit;transition:.2s}
.q-opts button:hover:not(:disabled){border-color:var(--aqua)}
.q-opts button.right{border-color:var(--aqua);background:rgba(46,230,197,.18)}
.q-opts button.wrong{border-color:var(--orange-2);background:rgba(255,106,19,.18)}
.q-exp{margin-top:14px;color:var(--muted);display:none}
.q-foot{display:flex;justify-content:space-between;align-items:center;margin-top:18px;gap:12px;flex-wrap:wrap;color:var(--muted)}

details{background:var(--glass-2);border:1px solid var(--line);border-radius:16px;padding:4px 22px;margin-bottom:10px;transition:border-color .2s}
details[open]{border-color:rgba(46,230,197,.5)}
summary{cursor:pointer;font-weight:700;padding:15px 0;list-style:none;display:flex;justify-content:space-between;gap:12px;color:#fff}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;line-height:1;color:var(--orange);transition:.25s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);margin:0 0 16px}

footer{background:rgba(3,8,10,.88);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:56px 0 28px;font-size:15px;color:var(--muted);margin-top:40px}
footer h4{color:#fff;margin-bottom:12px}
footer a{color:var(--aqua)}
.foot-grid{display:grid;grid-template-columns:2fr 1.4fr 1fr;gap:30px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:6px}
.foot-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;font-size:13px}

/* Legales */
.legal{max-width:860px;margin:50px auto 30px;padding:0 20px}
.legal .panel h1{font-size:clamp(30px,5vw,46px);margin-bottom:6px;color:#fff}
.legal h2{font-size:21px;margin:34px 0 10px;color:var(--aqua)}
.legal p,.legal li{color:#dbecea}
.legal .updated{color:var(--muted);font-size:14px}
.legal .box{background:var(--glass-2);border:1px solid var(--line);border-radius:16px;padding:18px 22px;margin:22px 0}
.legal .box.hl{border-color:rgba(255,138,61,.55)}
.toc{background:var(--glass-2);border:1px solid var(--line);border-radius:16px;padding:16px 22px}
.toc ol{margin:6px 0 0;padding-left:20px}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.badge,.chip i{animation:none}.flip-in{transition:none}}
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--aqua),var(--orange));z-index:100}
.to-top{position:fixed;right:18px;bottom:18px;width:48px;height:48px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#2a1000;font-size:20px;font-weight:900;cursor:pointer;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.25s;z-index:60}
.to-top.show{opacity:1;pointer-events:auto}
.disclaimer{font-size:13px;color:var(--muted)}