:root{
  --bg:#f5f6fb;
  --surface:#ffffff;
  --surface2:#eef0f9;
  --ink:#14162b;
  --muted:#5f6479;
  --line:#e3e5f0;
  --primary:#4b3df6;
  --primary2:#7c6bff;
  --accent:#ff7a45;
  --accent2:#ffb37a;
  --ok:#1f9d6c;
  --shadow:0 20px 45px rgba(20,22,43,.08);
  --shadow-lift:0 26px 60px rgba(20,22,43,.14);
  --ease:cubic-bezier(.16,.84,.44,1);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px clamp(18px,4vw,64px);background:rgba(245,246,251,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease}
.site-header.is-scrolled{background:rgba(245,246,251,.97);box-shadow:0 10px 30px rgba(20,22,43,.06)}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-weight:800;font-size:16px;box-shadow:0 10px 22px rgba(75,61,246,.28)}
.brand strong{display:block;font-size:15px}
.brand small{display:block;color:var(--muted);font-size:12px}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:18px;color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav a{color:var(--muted);font-weight:600;font-size:14px}
.main-nav a.active,.main-nav a:hover{color:var(--ink)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border:0;border-radius:14px;padding:13px 20px;font-weight:800;font-size:14px;cursor:pointer;box-shadow:0 14px 28px rgba(75,61,246,.24);transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease)}
.btn:hover{transform:translateY(-2px);box-shadow:0 20px 36px rgba(75,61,246,.30)}
.btn-accent{background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 14px 28px rgba(255,122,69,.28)}
.btn-accent:hover{box-shadow:0 20px 36px rgba(255,122,69,.34)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:none}
.btn-small{padding:9px 15px;border-radius:11px;font-size:13px}

.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:76px clamp(18px,5vw,80px) 48px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:12px}
.eyebrow:before{content:'';width:7px;height:7px;border-radius:999px;background:var(--accent)}
.hero h1,.page-title h1{font-size:clamp(32px,4.6vw,58px);line-height:1.08;margin:16px 0;letter-spacing:-.01em}
.lead{font-size:clamp(16px,1.6vw,19px);color:var(--muted);max-width:640px}
.hero-divider{height:1px;margin:22px 0;background:linear-gradient(90deg,rgba(75,61,246,.35),rgba(255,122,69,.25) 45%,transparent 85%);border:0}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}

.hero-visual{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow-lift)}
.hero-visual h2{font-size:20px;margin:10px 0 16px}
.mini-stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.mini-stat{padding:16px;border:1px solid var(--line);border-radius:16px;background:var(--surface2)}
.mini-stat strong{display:block;font-size:24px;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.mini-stat span{display:block;color:var(--muted);font-size:13px;margin-top:2px}

.section{padding:56px clamp(18px,5vw,80px)}
.section h2{font-size:clamp(26px,3.6vw,40px);line-height:1.14;margin:0 0 12px;letter-spacing:-.01em}
.section-head{max-width:720px}
.page-title{padding:60px clamp(18px,5vw,80px) 20px}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.services-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;grid-auto-rows:1fr}
.services-grid .card:first-child{grid-column:span 2;background:linear-gradient(155deg,rgba(75,61,246,.06),var(--surface) 55%)}
@media(max-width:1180px){.services-grid .card:first-child{grid-column:span 1}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lift);border-color:rgba(75,61,246,.25)}
.card h3{margin:10px 0 8px;font-size:19px}
.card p{color:var(--muted);margin:0}
.card-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--surface2);color:var(--primary);font-size:22px;margin-bottom:6px}

.tag{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:5px 11px;color:var(--muted);font-size:12px;font-weight:700;margin:3px 0}

.trust-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.trust-strip span{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:13px;color:var(--muted);font-weight:600}
.trust-strip span:before{content:'';width:6px;height:6px;border-radius:999px;background:var(--ok)}

.steps{counter-reset:s;display:grid;gap:14px;margin-top:18px}
.step{position:relative;padding:16px 16px 16px 56px;border:1px solid var(--line);border-radius:16px;background:var(--surface2)}
.step:before{counter-increment:s;content:counter(s);position:absolute;left:14px;top:16px;width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px}
.step strong{display:block}
.step span{color:var(--muted);font-size:14px}

.usecase-card{position:relative;overflow:hidden}
.usecase-card .usecase-index{position:absolute;right:16px;top:8px;font-size:46px;font-weight:800;color:var(--surface2);line-height:1;pointer-events:none}

.cta-band{margin:0 clamp(18px,5vw,80px) 64px;padding:44px clamp(24px,5vw,60px);border-radius:30px;background:linear-gradient(135deg,rgba(75,61,246,.10),rgba(255,122,69,.10));border:1px solid var(--line);display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between}
.cta-band h2{margin:0;font-size:clamp(22px,3vw,30px)}
.cta-band p{margin:6px 0 0;color:var(--muted);max-width:520px}
@media(max-width:720px){.cta-band{padding:32px 22px}}

.form-panel{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.full{grid-column:1/-1}
label{display:block;color:var(--muted);font-weight:700;font-size:13px;margin-bottom:8px}
.input,select,textarea,input[type=text],input[type=email],input[type=tel]{width:100%;background:var(--surface2);color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:11px 13px;font:inherit;transition:border-color .2s ease,background .2s ease}
.input:focus,textarea:focus,input:focus{outline:none;border-color:var(--primary);background:var(--surface)}
.alert{border-radius:14px;padding:13px 15px;margin:14px 0;font-size:14px}
.alert-ok{background:rgba(31,157,108,.10);border:1px solid rgba(31,157,108,.30);color:#146b4a}

.site-footer{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px;padding:40px clamp(18px,5vw,80px) 32px;border-top:1px solid var(--line);background:var(--surface);color:var(--muted)}
.site-footer h4{color:var(--ink);font-size:14px;margin:0 0 12px}
.site-footer a{display:block;color:var(--muted);font-size:14px;margin-bottom:8px}
.site-footer a:hover{color:var(--primary)}
.footer-bottom{padding:16px clamp(18px,5vw,80px) 28px;color:var(--muted);font-size:13px;background:var(--surface)}

[data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].is-visible{opacity:1;transform:translateY(0)}

.preloader{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:18px;background:var(--bg);transition:opacity .5s var(--ease),visibility .5s var(--ease)}
.preloader-mark{display:flex;flex-direction:column;align-items:center;gap:14px}
.preloader-mark .brand-mark{animation:preloaderPulse 1.6s ease-in-out infinite}
.preloader-word{font-weight:800;letter-spacing:.1em;font-size:13px;color:var(--ink);text-transform:uppercase;text-align:center}
.preloader-bar{width:160px;height:3px;border-radius:999px;background:var(--line);overflow:hidden}
.preloader-bar span{display:block;height:100%;width:40%;background:linear-gradient(90deg,var(--primary),var(--accent));animation:preloaderTrack 1.1s ease-in-out infinite}
@keyframes preloaderPulse{0%,100%{opacity:1}50%{opacity:.55}}
@keyframes preloaderTrack{0%{transform:translateX(-120%)}100%{transform:translateX(260%)}}
.preloader.is-done{opacity:0;visibility:hidden;pointer-events:none}
@keyframes preloaderForceHide{to{opacity:0;visibility:hidden;pointer-events:none}}
.preloader{animation:preloaderForceHide 0s 6s forwards}
@media (prefers-reduced-motion: reduce){.preloader-mark .brand-mark,.preloader-bar span{animation:none}}

.fab-stack{position:fixed;right:18px;bottom:22px;z-index:9000;display:flex;flex-direction:column;gap:14px;align-items:flex-end}
.fab{width:56px;height:56px;border-radius:999px;display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 14px 30px rgba(20,22,43,.28);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.fab:hover{transform:translateY(-3px) scale(1.05)}
.fab svg{width:26px;height:26px}
.fab-whatsapp{background:#25D366}
.fab-mail{background:linear-gradient(135deg,var(--primary),var(--accent))}
@media(max-width:640px){
  .fab-stack{right:14px;bottom:16px;gap:10px}
  .fab{width:50px;height:50px}
  .fab svg{width:22px;height:22px}
}

@media(max-width:960px){
  .hero{grid-template-columns:1fr}
  .grid-3,.grid-2,.services-grid{grid-template-columns:1fr}
  .site-footer{grid-template-columns:1fr}
}
@media(max-width:860px){
  .main-nav{display:none;position:absolute;left:18px;right:18px;top:70px;flex-direction:column;align-items:stretch;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow-lift)}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  [data-reveal]{opacity:1;transform:none}
}

/* Cotizador */
.quote-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:26px;align-items:start}
.quote-config{display:flex;flex-direction:column;gap:22px}
.quote-step{display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}
.quote-step-num{flex:none;width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}
.quote-step h3{margin:0 0 12px;font-size:17px}

.service-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.service-option{cursor:pointer;border:1px solid var(--line);border-radius:16px;padding:14px 12px;text-align:center;background:var(--surface2);transition:border-color .2s ease,transform .2s ease,background .2s ease}
.service-option:hover{transform:translateY(-2px)}
.service-option .so-dot{width:30px;height:30px;border-radius:9px;margin:0 auto 8px;background:var(--dot,var(--primary))}
.service-option strong{display:block;font-size:13px}
.service-option.is-active{border-color:var(--dot,var(--primary));background:#fff;box-shadow:0 10px 24px rgba(20,22,43,.10)}
.service-option input{position:absolute;opacity:0;width:1px;height:1px}

.tier-list,.addon-list{display:flex;flex-direction:column;gap:10px}
.tier-option,.addon-option{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--line);border-radius:14px;padding:12px 14px;cursor:pointer;background:var(--surface2);transition:border-color .2s ease,background .2s ease}
.tier-option:hover,.addon-option:hover{border-color:rgba(75,61,246,.35)}
.tier-option.is-active,.addon-option.is-active{background:#fff;border-color:var(--primary)}
.tier-option input,.addon-option input{margin-top:3px;flex:none}
.tier-option .to-body strong,.addon-option .ao-body strong{display:block;font-size:14px}
.tier-option .to-body span,.addon-option .ao-body span{display:block;color:var(--muted);font-size:12.5px;margin-top:2px}
.tier-option .to-price,.addon-option .ao-price{margin-left:auto;flex:none;font-weight:800;font-size:13.5px;color:var(--primary);white-space:nowrap}
.quote-placeholder{color:var(--muted);font-size:14px;padding:6px 2px}

.quote-summary{position:sticky;top:90px;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow-lift)}
.quote-range{font-family:'Anton',sans-serif;font-weight:400;letter-spacing:-.01em;font-size:clamp(24px,2.6vw,32px);line-height:1.08;margin:8px 0 6px;color:var(--ink)}
.quote-disclaimer{font-size:12.5px;color:var(--muted);margin:0 0 14px}
.quote-lines{list-style:none;margin:0 0 14px;padding:0;border-top:1px solid var(--line);padding-top:12px}
.quote-lines li{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);padding:5px 0}
.quote-lines li span:last-child{font-weight:700;color:var(--ink);white-space:nowrap}
.quote-maintenance{font-size:12.5px;color:var(--muted);background:var(--surface2);border-radius:12px;padding:10px 12px;margin-bottom:4px}
.quote-summary .form-grid{margin-top:14px}
.quote-summary label{margin-bottom:0}
@media(max-width:960px){
  .quote-grid{grid-template-columns:1fr}
  .quote-summary{position:static}
  .service-picker{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:640px){
  .service-picker{grid-template-columns:1fr}
  .quote-step{padding:16px}
}