:root{
  --bg:#dce0e3; --bg2:#ffffff; --line:#e6eaf3; --line2:#dbe2f0;
  --blue:#3b6eff; --purple:#7c3aed; --txt:#0f1730; --muted:#5a6485; --soft:#4a5578;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,Arial,sans-serif;background:var(--bg);color:var(--txt);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.grad{background:linear-gradient(90deg,#3b6eff,#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- NAV ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:28px;padding:12px 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:1px;font-size:15px;color:var(--txt)}
.brand img{width:30px;height:30px;border-radius:50%}
.menu ul{display:flex;align-items:center;gap:4px;list-style:none}
.menu a{display:block;padding:9px 12px;border-radius:8px;font-size:14px;color:var(--soft);font-weight:500;transition:transform .2s ease,color .2s ease}
.menu a:hover,.menu a.active{color:var(--blue)}
.menu>ul>li>a:hover{transform:translateY(-3px)}
.burger{display:none;background:none;border:0;color:var(--txt);font-size:22px;cursor:pointer}

.drop{position:relative}
.drop-m{display:none;position:absolute;top:calc(100% + 8px);left:0;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;box-shadow:0 16px 40px rgba(20,40,90,.14)}
.drop:hover .drop-m,.drop.open .drop-m{display:block}
.drop-m a{display:flex;align-items:center;gap:12px;padding:11px 12px;font-size:14px;color:var(--txt);border-radius:8px;font-weight:500}
.drop-m a i{color:var(--blue);width:20px;text-align:center;font-size:16px}
.drop-m a:nth-child(even) i{color:var(--purple)}
.drop-m a:hover{background:#f1f4fd;color:var(--blue)}
.drop-t i{font-size:10px;opacity:.6;margin-left:4px}

.btn-demo{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:#fff;background:linear-gradient(90deg,var(--blue),var(--purple));border-radius:22px;padding:9px 16px;font-weight:600}
.btn-demo:hover{opacity:.92}
.only-mobile{display:none}

/* ---------- HERO (tecnologico, claro) ---------- */
.hero{position:relative;overflow:hidden;display:flex;flex-wrap:wrap;align-items:flex-start;gap:24px;padding:34px 20px 48px;min-height:60vh;
  background:#dce0e3}
.hero::before{content:none}
.hero-in-guard{position:relative;z-index:1}
.hero > *{position:relative;z-index:1}
.hero-txt{flex:1;min-width:280px}
.eyebrow{color:#3b6eff;font-size:12px;letter-spacing:2px;font-weight:700;margin-bottom:16px}
.eyebrow i{margin-right:6px}
.hero h1{font-size:clamp(34px,5vw,54px);line-height:1.05;font-weight:700;letter-spacing:-1px;margin-bottom:18px;color:#12213d}
.hero .sub{color:#4b5563;font-size:16px;max-width:440px;margin-bottom:26px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn-grad{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(90deg,var(--blue),var(--purple));color:#fff;font-weight:600;font-size:14px;padding:13px 24px;border-radius:9px;box-shadow:0 10px 24px rgba(59,110,255,.30)}
.btn-grad:hover{opacity:.92}
.btn-ghost{display:inline-flex;align-items:center;font-weight:600;font-size:14px;padding:13px 24px;border-radius:9px;color:#12213d;border:1px solid rgba(0,0,0,.2);background:transparent}
.btn-ghost:hover{border-color:#12213d;color:#12213d}

.hero-art{flex:0 0 380px;display:flex;align-items:center;justify-content:center;min-height:280px;position:relative}
.hero-art::after{content:none}
.logo-vid{position:relative;z-index:1;width:min(380px,80vw);aspect-ratio:1;object-fit:cover;display:block;-webkit-mask-image:radial-gradient(circle at 50% 50%,#000 60%,rgba(0,0,0,.5) 82%,transparent 100%);mask-image:radial-gradient(circle at 50% 50%,#000 60%,rgba(0,0,0,.5) 82%,transparent 100%)}

/* ---------- FEATURES ---------- */
.feats{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:34px 20px 70px}
.feat{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 6px 18px rgba(20,40,90,.05)}
.feat i{font-size:22px;color:var(--blue)}
.feat:nth-child(even) i{color:var(--purple)}
.feat b{display:block;font-size:14px;margin-bottom:2px}
.feat span{font-size:13px;color:var(--muted)}

/* ---------- FOOTER (navy para contraste) ---------- */
.foot{background:#0f1e3d;color:#fff}
.foot-in{max-width:1180px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:16px;padding:26px 20px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:1px}
.foot-brand img{width:26px;height:26px;border-radius:50%}
.foot-c{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;font-size:13px;color:#aeb8d4}
.foot-c a{display:inline-flex;align-items:center;gap:7px}
.foot-c a:hover{color:#fff}
.foot-c i{color:#6f9bff}
.foot-cc{text-align:center;color:#7a86a8;font-size:12px;padding:14px 20px;border-top:1px solid #1c2c4e}
.foot-cc a{color:#9fb0d8}
.foot-cc a:hover{color:#fff}

/* ---------- RESPONSIVE ---------- */
@media (max-width:860px){ .feats{grid-template-columns:repeat(2,1fr)} }
@media (max-width:760px){
  .nav-in{justify-content:space-between;gap:16px}
  .burger{display:block}
  .only-desk{display:none}
  .only-mobile{display:block}
  .menu{position:fixed;inset:54px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);display:none;padding:8px 12px 16px;box-shadow:0 14px 30px rgba(20,40,90,.12)}
  .menu.open{display:block}
  .menu ul{flex-direction:column;align-items:stretch;gap:2px}
  .menu a{padding:12px 10px}
  .drop-m{position:static;display:none;box-shadow:none;border:0;background:#f5f7fc;margin:2px 0 6px}
  .drop:hover .drop-m{display:none}
  .drop.open .drop-m{display:block}
  .hero{padding:40px 20px;min-height:auto}
  .hero-art{flex-basis:100%;order:-1;min-height:220px}
  .hero-art::after{width:240px;height:240px}
  .logo-vid{width:min(280px,72vw)}
}
@media (max-width:460px){ .feats{grid-template-columns:1fr} }
55%{opacity:1}100%{opacity:0;visibility:hidden}}