:root{--cian:#00E0FF;--morado:#8B00FF;--fondo:#061A2B;--fondo2:#04101D;--blanco:#FFFFFF;--gris:#B8C4D1;--gradiente:linear-gradient(90deg,#00E0FF,#8B00FF)}
*{box-sizing:border-box} html,body{margin:0;padding:0}
body{font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial;background:var(--fondo);color:var(--blanco);line-height:1.6}
.container{width:min(1120px,92%);margin-inline:auto}

.site-header{position:sticky;top:0;z-index:999;backdrop-filter:blur(6px);background:rgba(6,26,43,.75);border-bottom:1px solid rgba(255,255,255,.06)}
.site-header::before{content:"";position:absolute;inset:0;background-image:url('../assets/bg_header_custom.jpg');background-size:cover;background-position:center;opacity:.25;z-index:-1}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--blanco)}
.brand-logo{height:40px;width:auto}
.nav-toggle{display:none;background:none;border:0;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--blanco);margin:5px 0;border-radius:2px}
.nav-list{list-style:none;display:flex;gap:28px;margin:0;padding:0}
.nav-list a{color:var(--gris);text-decoration:none}
.nav-list a:hover{color:var(--blanco)}

.hero{position:relative;padding:72px 0 48px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:radial-gradient(800px 400px at 40% 35%,rgba(139,0,255,.35),transparent 60%),radial-gradient(800px 400px at 70% 65%,rgba(0,224,255,.25),transparent 60%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:32px}
.hero h1{font-size:clamp(32px,4vw,54px);margin:0 0 8px}
.hero .accent{color:var(--cian)}
.subtitle{color:var(--gris);margin:0 0 24px}
.hero-graphic img{width:min(340px,80%);height:auto;filter:drop-shadow(0 10px 40px rgba(0,224,255,.25))}

.btn{display:inline-block;padding:12px 20px;border-radius:999px;text-decoration:none;color:#fff;font-weight:600}
.btn-gradient{background:var(--gradiente);box-shadow:0 10px 24px rgba(0,128,255,.25)}
.btn-gradient:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(0,128,255,.35)}

section{padding:64px 0}
h2{font-size:clamp(22px,3vw,34px);margin-top:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.checklist{padding-left:18px}
.checklist li{margin:8px 0}
.about-visual .about-img{width:100%;height:auto;border-radius:16px;border:1px solid rgba(255,255,255,.08)}

.chart{background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,0));border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.chart-wrap{background:rgba(4,16,29,.6);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:16px}
.chart-img{width:100%;height:auto;display:block;border-radius:12px}

.services-list{columns:2;column-gap:24px;margin:16px 0 0;padding-left:18px}
.services-list li{break-inside:avoid;margin:8px 0}
.cta-center{text-align:center;margin-top:24px}

/* Contact section link colors (accessible green) */
.contact .contact-list a{color:#2EE59D;font-weight:600;text-decoration:underline;text-underline-offset:2px}
.contact .contact-list a:hover{opacity:.9;text-decoration-thickness:2px}

.contact .contact-list{padding-left:18px}
.contact-form{background:rgba(4,16,29,.6);border:1px solid rgba(255,255,255,.08);padding:20px;border-radius:16px}
.contact-form label{display:block;font-size:14px;color:var(--gris);margin:10px 0 6px}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.15);background:#071726;color:var(--blanco)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:rgba(255,255,255,.5)}
.contact-form input:focus,.contact-form textarea:focus{outline:2px solid rgba(0,224,255,.45);border-color:transparent}
.contact-form button{margin-top:12px}

.site-footer{background:var(--fondo2);border-top:1px solid rgba(255,255,255,.06)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.site-footer a{color:var(--gris);text-decoration:none;margin-left:14px}
.site-footer a:hover{color:var(--blanco)}

/* Floating WhatsApp button */
.wa-float{position:fixed;right:18px;bottom:18px;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--gradiente);color:#fff;text-decoration:none;box-shadow:0 10px 24px rgba(0,128,255,.35);z-index:1000}
.wa-float svg{width:28px;height:28px}
.wa-float:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(0,128,255,.45)}

/* Responsive */
@media (max-width: 900px){
  .hero-inner{grid-template-columns:1fr}
  .hero-graphic{order:-1;text-align:center}
  .grid-2{grid-template-columns:1fr}
  .services-list{columns:1}
  .nav-toggle{display:block}
  .nav-list{display:none;position:absolute;right:16px;top:60px;background:#081B2C;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:12px 16px;gap:12px;flex-direction:column}
  .nav-list.show{display:flex}
}