:root{
  --bg:#09090B;
  --card:#111113;
  --border:#27272A;
  --text:#FFFFFF;
  --muted:#A1A1AA;
  --accent:#10B981;
  --radius:16px;
  --glass:rgba(255,255,255,0.03);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial;color:var(--text);background:var(--bg)}
.container{width:min(1200px,94%);margin:0 auto;padding:0 12px}

/* Header */
.site-header{position:sticky;top:0;z-index:90;background:linear-gradient(180deg, rgba(9,9,11,0.55), rgba(9,9,11,0.35));backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,0.03)}
.site-header.scrolled{box-shadow:0 6px 20px rgba(2,6,7,0.6);background:linear-gradient(180deg, rgba(9,9,11,0.9), rgba(9,9,11,0.75))}
.header-row{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{font-weight:800;color:var(--accent);font-size:1.4rem;text-decoration:none}
.nav{display:flex;align-items:center;gap:18px}
.nav-list{list-style:none;display:flex;gap:18px}
.nav-list a{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:8px}
.nav-list a:hover{color:var(--text);background:var(--glass)}
.nav-actions{display:flex;gap:12px;align-items:center}
.hamburger{display:none;background:transparent;border:0;color:var(--text);font-size:22px}
.btn-whatsapp{background:linear-gradient(180deg,var(--accent),#0fa96f);color:#042018;padding:10px 14px;border-radius:10px;font-weight:800;border:0}

/* Hero */
.hero-split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:36px;padding:72px 0}
.hero-left{max-width:680px}
.badge{display:inline-block;padding:8px 14px;border-radius:999px;border:1px solid rgba(16,185,129,0.16);color:var(--accent);background:linear-gradient(180deg, rgba(16,185,129,0.04), transparent);margin-bottom:18px;font-weight:600}
.hero-left h1{font-size:clamp(1.8rem,3.6vw,2.8rem);line-height:1.03;margin:12px 0}
.lead{color:var(--muted);margin-bottom:18px}
.hero-buttons{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:12px;text-decoration:none;font-weight:700}
.btn-primary{background:var(--accent);color:#042018}
.btn-outline{border:1px solid rgba(255,255,255,0.06);background:transparent;color:var(--text);padding:10px 16px;border-radius:12px;font-weight:700}
.btn.large, .btn.large{padding:14px 22px;font-size:1.05rem}
.hero-features{list-style:none;margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}
.hero-features li{background:var(--card);padding:8px 12px;border-radius:10px;border:1px solid var(--border);color:var(--muted);font-weight:600}
.hero-right .device{background:linear-gradient(180deg, rgba(16,185,129,0.06), rgba(16,185,129,0.02));padding:18px;border-radius:20px;box-shadow:0 30px 80px rgba(2,6,7,0.6);display:flex;justify-content:center;align-items:center}
.hero-right img{width:100%;height:auto;border-radius:12px;transform:translateY(0);transition:transform .8s cubic-bezier(.2,.9,.2,1)}
.hero-right img:hover{transform:translateY(-6px)}

/* Sections */
.section{padding:64px 0}
.section-title{text-align:center;margin-bottom:36px}

/* Benefits */
.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.benefit{background:linear-gradient(180deg, rgba(255,255,255,0.01), transparent);padding:22px;border-radius:12px;border:1px solid rgba(255,255,255,0.03);display:flex;gap:12px;align-items:center}
.benefit .icon{width:36px;height:36px;flex:0 0 36px}
.benefit h4{font-size:1rem}

/* Split sections */
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.split.reverse .split-media{order:2}
.split .split-media img{width:100%;height:auto;border-radius:12px;box-shadow:0 30px 80px rgba(2,6,7,0.6)}
.split-content h3{font-size:1.6rem;margin-bottom:12px}
.checklist{list-style:none;padding-left:0;color:var(--muted)}
.checklist li{padding:6px 0}

/* Resources */
.resources-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px;margin-top:18px}
.res{background:var(--card);padding:18px;border-radius:12px;border:1px solid rgba(255,255,255,0.03);display:flex;gap:12px;align-items:center}
.icon-res{width:44px;height:44px;flex:0 0 44px}

/* Security */
.security-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:18px}
.sec-card{background:var(--card);padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,0.03)}

/* Audience */
.audience-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.aud-card{background:linear-gradient(180deg, rgba(255,255,255,0.01), transparent);padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,0.03);text-align:center}

/* FAQ / Accordion */
.accordion{max-width:920px;margin:0 auto}
.acc-item{background:var(--card);border:1px solid rgba(255,255,255,0.03);margin-bottom:8px;border-radius:8px;overflow:hidden}
.acc-trigger{width:100%;text-align:left;padding:14px 18px;background:transparent;border:0;color:var(--text);font-weight:700;cursor:pointer}
.acc-panel{padding:12px 18px;color:var(--muted);display:none}

/* CTA */
.cta-hero .cta-card{background:linear-gradient(180deg, rgba(16,185,129,0.06), rgba(16,185,129,0.02));padding:28px;border-radius:14px;border:1px solid rgba(16,185,129,0.12);text-align:center}
.cta-actions{display:flex;gap:12px;justify-content:center;margin-top:16px}

/* Contact */
.contact-section .contact-grid{display:grid;grid-template-columns:1fr 360px;gap:20px}
.contact-form{display:flex;flex-direction:column;gap:10px;background:var(--card);padding:18px;border-radius:12px;border:1px solid rgba(255,255,255,0.03)}
.contact-form input,.contact-form textarea{background:transparent;border:1px solid rgba(255,255,255,0.04);padding:10px;border-radius:8px;color:var(--text)}

/* Footer */
.site-footer{padding:28px 0;border-top:1px solid rgba(255,255,255,0.03)}
.footer-row{display:flex;justify-content:space-between;align-items:center}
.footer-links a{color:var(--muted);margin-left:12px;text-decoration:none}

/* Floating whatsapp */
.whatsapp-float{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;z-index:60}
.whatsapp-float img{width:28px;height:28px}

/* Animations */
@keyframes floatUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.benefit, .res, .sec-card, .aud-card, .cta-card, .contact-form{animation:floatUp .6s ease both}

/* Responsivo */
@media(max-width:1000px){
  .hero-split{grid-template-columns:1fr;gap:18px;padding:40px 0}
  .split{grid-template-columns:1fr}
  .contact-section .contact-grid{grid-template-columns:1fr}
}

@media(max-width:520px){
  .header-row{height:64px}
  .nav-list{display:none;position:absolute;top:64px;left:0;right:0;background:linear-gradient(180deg, rgba(9,9,11,0.95), rgba(9,9,11,0.98));padding:12px;flex-direction:column;gap:8px}
  .hamburger{display:block}
  .nav-actions{display:none}
  .container{padding:0 16px}
}