:root{
  --bg:#0b1220; --bg-alt:#101a2e; --card:#16233d; --text:#ffffff; --muted:#a9b8d0;
  --primary:#38bdf8; --primary-dark:#0ea5e9; --accent:#7dd3fc; --violet:#8b5cf6;
  --border:rgba(255,255,255,.10); --radius:16px;
  --shadow:0 10px 40px rgba(0,0,0,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
img{max-width:100%}
a{color:inherit}
.container{width:min(1100px,100% - 2rem);margin-inline:auto}
section{padding:4.5rem 0}
.alt{background:var(--bg-alt)}
h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3.5vw,2.3rem);line-height:1.2;margin-bottom:1rem;letter-spacing:-.01em}
h3{font-size:1.15rem;margin-bottom:.4rem}
.lead{font-size:1.15rem;color:var(--muted);max-width:640px}
.center{text-align:center}.center .lead{margin-inline:auto}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--primary)}
.nav ul{display:flex;gap:1.5rem;list-style:none;align-items:center}
.nav a{text-decoration:none;font-size:.95rem;color:var(--muted)}
.nav a:hover{color:var(--text)}
.lang{border:1px solid var(--border);border-radius:8px;padding:.25rem .6rem;font-weight:600;font-size:.85rem}
.menu-btn{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer}

/* Buttons */
.btn{display:inline-block;background:var(--primary);color:#fff!important;padding:.9rem 1.6rem;border-radius:10px;font-weight:700;text-decoration:none;border:0;cursor:pointer;font-size:1rem;transition:.15s}
.btn:hover{background:var(--primary-dark);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--primary)!important;border:2px solid var(--primary)}
.btn.small{padding:.55rem 1rem;font-size:.9rem}

/* Hero */
.hero{padding:5rem 0 4rem;background:linear-gradient(180deg,#eef3ff 0%,#fff 100%)}
.hero .lead{margin:1.2rem 0 2rem}
.hero small{display:block;color:var(--muted);margin:.8rem 0 1.5rem}
.checks{display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;list-style:none;color:var(--muted);font-size:.95rem}
.checks li::before{content:"✔ ";color:var(--accent);font-weight:700}

/* Grids & cards */
.grid{display:grid;gap:1.25rem;margin-top:2.5rem}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow)}
.card p{color:var(--muted)}
.pain{display:flex;gap:.8rem;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:12px;padding:1rem 1.2rem}
.pain span{font-size:1.4rem}
.closing{margin-top:2rem;font-weight:700;font-size:1.2rem}

/* Steps */
.step .num{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:1rem}

/* Demos */
.demo .tag{font-size:.8rem;color:var(--muted);margin-bottom:.8rem;display:block}
.demo .btn{margin-top:1rem}

/* Pricing */
.price-card{display:flex;flex-direction:column}
.price-card.featured{border:2px solid var(--primary);position:relative}
.badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;font-size:.8rem;font-weight:700;padding:.2rem .9rem;border-radius:99px}
.price-card ul{list-style:none;margin:1rem 0;flex:1}
.price-card li{padding:.3rem 0;color:var(--muted);font-size:.95rem}
.price-card li::before{content:"✔ ";color:var(--accent)}
.price{font-size:1.9rem;font-weight:800}
.price small{font-size:.9rem;font-weight:500;color:var(--muted)}
.price-row{margin:.3rem 0}
.maint{margin-top:3rem;background:#fff;border:1px dashed var(--primary);border-radius:var(--radius);padding:1.6rem}
.maint ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.4rem 1.5rem;margin:1rem 0}
.maint li::before{content:"✔ ";color:var(--accent)}
.note{font-size:.9rem;color:var(--muted);margin-top:1rem}

/* FAQ */
details{background:#fff;border:1px solid var(--border);border-radius:12px;padding:1.1rem 1.3rem;margin-bottom:.8rem}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:1rem}
summary::after{content:"+";font-size:1.4rem;color:var(--primary);line-height:1}
details[open] summary::after{content:"−"}
details p{margin-top:.8rem;color:var(--muted)}
.faq{max-width:780px;margin:2.5rem auto 0}

/* Contact */
.contact{background:var(--text);color:#fff}
.contact .lead{color:#c3cbd8}
form{background:#fff;color:var(--text);border-radius:var(--radius);padding:1.8rem;margin-top:2rem;display:grid;gap:1rem;max-width:640px;margin-inline:auto;text-align:left}
label{font-weight:600;font-size:.9rem;display:grid;gap:.3rem}
input,select,textarea{font:inherit;padding:.7rem .8rem;border:1px solid var(--border);border-radius:8px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);border-color:transparent}
.hp{position:absolute;left:-9999px}
#form-msg{font-weight:600;text-align:center}
.form-note{font-size:.85rem;color:var(--muted);text-align:center}

/* Footer */
footer{background:#0e1520;color:#9aa6b8;padding:2.5rem 0;font-size:.9rem}
footer .container{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between}
footer a{text-decoration:none}footer a:hover{color:#fff}

/* Floating WhatsApp */
.wa{position:fixed;right:1.1rem;bottom:1.1rem;z-index:60;background:#25d366;color:#fff;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:1.7rem;text-decoration:none;box-shadow:0 6px 20px rgba(0,0,0,.25)}

@media(max-width:760px){
  section{padding:3.2rem 0}
  .menu-btn{display:block}
  .nav ul{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:1rem;border-bottom:1px solid var(--border);gap:1rem}
  .nav ul.open{display:flex}
}

/* ===== Tema oscuro / colorido ===== */
body{background:var(--bg);color:var(--text)}
.alt{background:var(--bg-alt)}
header{background:rgba(11,18,32,.85);border-bottom:1px solid var(--border)}
.logo{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav a{color:var(--muted)}.nav a:hover{color:#fff}
.lang{color:#fff!important;border-color:var(--border)}
.menu-btn{color:#fff}
.btn{background:linear-gradient(90deg,var(--primary),var(--violet));color:#fff!important;box-shadow:0 6px 24px rgba(56,189,248,.35)}
.btn:hover{background:linear-gradient(90deg,var(--primary-dark),#7c3aed)}
.btn.ghost{background:transparent;border:2px solid var(--primary);color:var(--primary)!important;box-shadow:none}
.btn.ghost:hover{background:rgba(56,189,248,.12)}
.hero{background:radial-gradient(900px 400px at 80% -10%,rgba(139,92,246,.35),transparent),radial-gradient(800px 400px at 0% 0%,rgba(56,189,248,.30),transparent),var(--bg)}
.hero h1{background:linear-gradient(90deg,#fff,#bae6fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.card,.pain,details,.maint{background:var(--card);border-color:var(--border)}
.pain p,.card p{color:var(--muted)}
.price-card.featured{border:2px solid var(--primary);box-shadow:0 0 40px rgba(56,189,248,.25)}
.badge{background:linear-gradient(90deg,var(--primary),var(--violet))}
.step .num{background:linear-gradient(135deg,var(--primary),var(--violet))}
.maint{border:1px dashed var(--primary)}
.contact{background:linear-gradient(135deg,#0c4a6e,#312e81)}
form{background:var(--card);color:#fff;border:1px solid var(--border)}
input,select,textarea{background:#0b1220;color:#fff;border-color:var(--border)}
.form-note{color:var(--muted)}
footer{background:#070c16}
@media(max-width:760px){.nav ul{background:var(--bg-alt);border-color:var(--border)}}

/* Selector de idioma con banderas */
.langs{display:flex;gap:.5rem;align-items:center}
.langs a{display:block;opacity:.45;border-radius:4px;line-height:0;transition:.15s}
.langs a:hover,.langs a.on{opacity:1}
.langs a.on{outline:2px solid var(--primary);outline-offset:2px}
.langs img{border-radius:3px;display:block}


/* Carrusel de demos */
.carousel{position:relative;margin-top:2.5rem}
.track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;gap:1.25rem;scrollbar-width:none}
.track::-webkit-scrollbar{display:none}
.track .card.demo{flex:0 0 100%;scroll-snap-align:center;display:grid;grid-template-columns:240px 1fr;gap:2rem;align-items:center;padding:2rem}
.track .info h3{font-size:1.4rem}
.track .info p{margin:.6rem 0}
.phone{width:210px;margin-inline:auto;border:8px solid #2b3b5c;border-radius:30px;background:#0b1220;padding:.9rem .8rem 1rem;box-shadow:var(--shadow)}
.screen{display:grid;gap:.5rem;font-size:.8rem}
.screen b{color:var(--primary);font-size:.95rem}
.screen p{display:flex;justify-content:space-between;background:var(--card);padding:.5rem .6rem;border-radius:8px;margin:0;color:#fff}
.screen em{font-style:normal;color:var(--accent);font-weight:700}
.screen i{font-style:normal;text-align:center;background:linear-gradient(90deg,var(--primary),var(--violet));border-radius:8px;padding:.5rem;font-weight:700;margin-top:.3rem}
.c-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:rgba(11,18,32,.85);color:#fff;font-size:1.3rem;cursor:pointer;z-index:2}
.c-arrow:hover{background:var(--primary);color:#0b1220}
.c-arrow.prev{left:-12px}.c-arrow.next{right:-12px}
.dots{display:flex;justify-content:center;gap:.5rem;margin-top:1.2rem}
.dots button{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.25);cursor:pointer;padding:0}
.dots button.on{background:var(--primary);width:26px;border-radius:99px}
@media(max-width:700px){.track .card.demo{grid-template-columns:1fr;gap:1.2rem}.c-arrow{display:none}}

/* Aparicion al hacer scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.track{scroll-behavior:auto}}

/* Logo */
.logo{display:flex;align-items:center;gap:.55rem;background:none;-webkit-background-clip:initial;background-clip:initial;color:#fff;font-weight:800;font-size:1.2rem;letter-spacing:-.02em}
.logo small{font-weight:300;font-size:inherit;color:var(--muted)}
.foot-logo{display:inline-flex;font-size:1.1rem;margin-bottom:.4rem}
.p-icon{font-size:2rem;margin-bottom:.5rem}

/* Problema destacado: organizacion de grupos */
.pain.featured{grid-column:1 / -1;border:2px solid var(--primary);background:linear-gradient(135deg,rgba(56,189,248,.14),rgba(139,92,246,.14));padding:1.3rem 1.4rem;gap:1rem;box-shadow:0 0 40px rgba(56,189,248,.18)}
.pain.featured>span{font-size:2.2rem}
.pain.featured p{font-size:1.1rem;color:#fff;margin:.3rem 0 .6rem}
.flabel{display:inline-block;background:linear-gradient(90deg,var(--primary),var(--violet));color:#06101f;font-size:.75rem;font-weight:800;border-radius:99px;padding:.15rem .7rem;text-transform:uppercase;letter-spacing:.03em}
.flink{color:var(--primary);font-weight:700;text-decoration:none}
.flink:hover{text-decoration:underline}

/* ===== Chat con IA ===== */
.mwc{position:fixed;right:1.1rem;bottom:5.4rem;z-index:70;font-family:inherit}
.mwc-fab{display:flex;align-items:center;gap:.5rem;background:linear-gradient(90deg,var(--primary),var(--violet));color:#06101f;border:0;border-radius:99px;padding:.75rem 1.1rem;font-size:1.25rem;font-weight:800;cursor:pointer;box-shadow:0 8px 28px rgba(56,189,248,.4)}
.mwc-fab span{font-size:.95rem}
.mwc.open .mwc-fab{display:none}
.mwc-panel{position:absolute;right:0;bottom:0;width:min(370px,calc(100vw - 2.2rem));height:min(560px,calc(100vh - 7.5rem));display:flex;flex-direction:column;background:var(--bg-alt);border:1px solid var(--border);border-radius:18px;box-shadow:0 20px 60px rgba(0,0,0,.55);overflow:hidden}
.mwc-panel[hidden]{display:none}
.mwc-panel header{display:flex;justify-content:space-between;align-items:center;padding:.85rem 1rem;background:linear-gradient(135deg,rgba(56,189,248,.18),rgba(139,92,246,.18));border-bottom:1px solid var(--border)}
.mwc-panel header b{display:block;font-size:1rem}
.mwc-panel header small{color:var(--muted);font-size:.72rem}
.mwc-x{background:none;border:0;color:var(--muted);font-size:1.6rem;cursor:pointer;line-height:1}
.mwc-log{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem}
.mwc-msg{max-width:86%;padding:.6rem .85rem;border-radius:14px;font-size:.92rem;line-height:1.45;word-wrap:break-word}
.mwc-msg.assistant{align-self:flex-start;background:var(--card);border:1px solid var(--border);border-bottom-left-radius:4px}
.mwc-msg.user{align-self:flex-end;background:linear-gradient(90deg,var(--primary),var(--violet));color:#06101f;font-weight:600;border-bottom-right-radius:4px}
.mwc-msg.typing{color:var(--muted);font-style:italic}
.mwc-chips{display:flex;flex-wrap:wrap;gap:.4rem;padding:0 1rem .7rem}
.mwc-chips[hidden]{display:none}
.mwc-chips button{background:var(--card);border:1px solid var(--border);color:#fff;border-radius:99px;padding:.4rem .8rem;font:inherit;font-size:.8rem;cursor:pointer}
.mwc-chips button:hover{border-color:var(--primary)}
.mwc-actions{display:flex;gap:.5rem;flex-wrap:wrap;align-self:flex-start}
.mwc-btn{white-space:nowrap;display:inline-block;border:1px solid var(--primary);color:var(--primary);border-radius:10px;padding:.5rem .9rem;font-size:.85rem;font-weight:700;text-decoration:none}
.mwc-btn.mwc-wa{background:#25d366;border-color:#25d366;color:#06101f}
.mwc-form{display:flex;gap:.5rem;padding:.7rem;border-top:1px solid var(--border)}
.mwc-form input{flex:1;min-width:0;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:.65rem .8rem;color:#fff;font:inherit}
.mwc-form input:focus{outline:2px solid var(--primary);border-color:transparent}
.mwc-form button{background:linear-gradient(90deg,var(--primary),var(--violet));border:0;border-radius:10px;width:44px;color:#06101f;font-size:1.1rem;font-weight:800;cursor:pointer}
.mwc-panel footer{font-size:.68rem;color:var(--muted);text-align:center;padding:.1rem .8rem .6rem}
@media(max-width:520px){.mwc{right:.6rem;bottom:4.9rem}.mwc-panel{width:calc(100vw - 1.2rem);height:min(70vh,520px)}.mwc-fab span{display:none}.mwc-fab{padding:.8rem}}

/* Quien esta detras */
.about{display:grid;grid-template-columns:auto 1fr;gap:1.5rem;align-items:center;text-align:left;max-width:860px;margin:2rem auto 0;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.8rem}
.about img{width:96px;height:96px}
.about p{color:#dbe6f7;font-size:1.05rem;line-height:1.65}
.points{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;max-width:860px;margin:1rem auto 0;text-align:left}
.points .card{display:flex;gap:.7rem;align-items:flex-start;padding:1rem 1.2rem;box-shadow:none}
.points .card span{color:var(--accent);font-weight:800}
.points .card p{color:#fff;font-size:.95rem}
@media(max-width:640px){.about{grid-template-columns:1fr;text-align:center}.about img{margin:0 auto}}

/* Botones de rubro (hero) */
.rubros{margin:1.6rem 0 1.2rem;max-width:760px}
.rubros p{font-size:.95rem;color:var(--muted);margin-bottom:.7rem;font-weight:600}
.rubros>div{display:flex;flex-wrap:wrap;gap:.55rem}
.rubro{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.06);border:1px solid var(--border);color:#fff;border-radius:99px;padding:.6rem 1.05rem;font:inherit;font-size:.95rem;font-weight:600;cursor:pointer;transition:.15s}
.rubro svg{flex:none;color:var(--accent)}
.rubro:hover,.rubro.on{border-color:var(--primary);background:rgba(56,189,248,.16);transform:translateY(-1px)}
.rubro.on{box-shadow:0 0 0 2px rgba(56,189,248,.35)}
.opt{font-weight:400;color:var(--muted);font-size:.8rem}
.wa-alt{margin:.2rem 0 0}
.wa-alt a{color:#25d366;font-weight:700;text-decoration:none}
.wa-alt a:hover{text-decoration:underline}
@media(max-width:520px){.rubro{font-size:.9rem;padding:.55rem .9rem}}


/* Aviso de idioma */
.langbar{background:linear-gradient(90deg,#0c4a6e,#312e81);color:#fff;font-size:.9rem;padding:.55rem 1rem;display:flex;gap:.8rem;justify-content:center;align-items:center;flex-wrap:wrap;text-align:center}
.langbar .lb-go{background:#fff;color:#0b1220;border-radius:99px;padding:.25rem .85rem;font-weight:700;text-decoration:none}
.langbar .lb-no{background:none;border:1px solid rgba(255,255,255,.45);color:#fff;border-radius:99px;padding:.2rem .75rem;cursor:pointer;font:inherit;font-size:.85rem}
.privnote{flex-basis:100%;font-size:.78rem;color:#7d8aa0;margin-top:.4rem}

/* Etiqueta del hero */
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);border:1px solid rgba(125,211,252,.4);background:rgba(125,211,252,.09);border-radius:99px;padding:.35rem .9rem;margin-bottom:1.2rem}
@media(max-width:520px){.eyebrow{font-size:.7rem;letter-spacing:.1em}}

/* Video de la portada */
.hero-grid{display:grid;gap:1.6rem 3rem;grid-template-columns:1fr;grid-template-areas:"a" "v" "b"}
.hero-a{grid-area:a}.hero-b{grid-area:b}
.hero-video{grid-area:v;position:relative;width:min(100%,260px);margin:.5rem auto 1rem;border-radius:26px;border:6px solid #2b3b5c;overflow:hidden;background:#06101f;box-shadow:0 20px 50px rgba(0,0,0,.45);aspect-ratio:576/1228}
.hero-video video{display:block;width:100%;height:100%;object-fit:cover}
.vsound{position:absolute;right:.6rem;bottom:.6rem;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(6,16,31,.7);color:#fff;display:grid;place-items:center;cursor:pointer;backdrop-filter:blur(6px)}
.vsound:hover{background:rgba(6,16,31,.9)}
.vsound .i-on{display:none}.vsound[aria-pressed="true"] .i-on{display:block}.vsound[aria-pressed="true"] .i-off{display:none}
@media(min-width:900px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 300px;grid-template-areas:"a v" "b v";align-items:start}
  .hero-video{width:300px;margin:0;align-self:center;grid-row:1 / span 2}
}