:root{
  --bg:#0b1020;
  --panel:rgba(255,255,255,.06);
  --panel2:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.12);
  --text:#eef2ff;
  --muted:#b8c0e6;
  --accent:#0bbf72;
  --accent2:#60a5fa;
  --shadow: 0 16px 40px rgba(0,0,0,.25);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(96,165,250,.20), transparent 55%),
    radial-gradient(900px 500px at 90% 10%, rgba(11,191,114,.18), transparent 55%),
    var(--bg);
}

a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}

.container{max-width:1100px; margin:0 auto; padding:0 18px}

.site-header{
  position:sticky; top:0;
  z-index:50;
  background: rgba(11,16,32,.65);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:14px;
}

.brand{display:flex; align-items:center; gap:10px}
.logo{height:40px; width:auto; filter: drop-shadow(0 10px 18px rgba(0,0,0,.25))}

.nav{display:flex; align-items:center; gap:14px}
.nav a{color:var(--muted); font-weight:500}
.nav a:hover{color:var(--text)}

.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background:var(--panel);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  cursor:pointer;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 14px;
  border-radius:14px;
  border:1px solid var(--border);
  background:var(--panel);
  transition:.2s transform, .2s background, .2s border;
  font-weight:600;
}
.btn:hover{transform:translateY(-1px); background:var(--panel2); border-color:rgba(255,255,255,.18)}

.btn-primary{
  border-color: rgba(11,191,114,.45);
  background: linear-gradient(90deg, rgba(11,191,114,.22), rgba(96,165,250,.20));
}

.btn-ghost{background:transparent}

.btn-login{
  padding:10px 14px;
  border-radius:14px;
  border:1px solid rgba(11,191,114,.45);
  background: rgba(11,191,114,.14);
  color: var(--text) !important;
  font-weight:700;
}
.btn-login:hover{background: rgba(11,191,114,.22)}

.section{padding:64px 0}
.section.alt{background: rgba(255,255,255,.03); border-top:1px solid var(--border); border-bottom:1px solid var(--border)}

.sec-title{font-size:34px; margin:0 0 10px}
.sec-title span{color:var(--accent)}
.sec-subtitle{margin:0 0 26px; color:var(--muted)}

.grid{display:grid; gap:14px}
.cards-3{grid-template-columns: repeat(3, minmax(0, 1fr))}

/* SLIDER */
.slider-premium{
  position:relative;
  height:min(78vh, 760px);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.slide{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:0;
  transform: scale(1.02);
  transition: opacity .5s ease, transform .8s ease;
}
.slide.active{
  opacity:1;
  transform: scale(1);
}
.slide::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(0,0,0,.62), rgba(0,0,0,.15));
}
.slide-content{
  position:relative;
  max-width:1100px;
  margin:0 auto;
  padding: 0 18px;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:12px;
}
.slide-content h1{
  margin:0;
  font-size: clamp(34px, 4vw, 54px);
  letter-spacing:-0.02em;
}
.slide-content p{margin:0; color:rgba(255,255,255,.85); font-size:16px; max-width:620px}

.btn-premium{
  display:inline-flex;
  width:fit-content;
  margin-top:8px;
  padding:12px 16px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.28);
  color:#fff;
  font-weight:800;
  box-shadow: var(--shadow);
}
.btn-premium:hover{background: rgba(0,0,0,.38)}

.arrow{
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  width:44px; height:44px;
  display:flex; align-items:center; justify-content:center;
  border-radius:999px;
  background: rgba(0,0,0,.35);
  border:1px solid rgba(255,255,255,.16);
  cursor:pointer;
  user-select:none;
}
.arrow.left{left:14px}
.arrow.right{right:14px}
.arrow:hover{background: rgba(0,0,0,.50)}

.dots{
  position:absolute;
  bottom:14px;
  left:50%;
  transform: translateX(-50%);
  display:flex;
  gap:8px;
}
.dot{
  width:10px; height:10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.40);
  background: rgba(255,255,255,.18);
  cursor:pointer;
}
.dot.active{
  background: rgba(11,191,114,.70);
  border-color: rgba(11,191,114,.90);
}

/* BENEFICIOS + WHY */
.beneficios-grid, .why-grid, .test-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:14px;
}
.benef-card, .why-card, .test-card, .service-card{
  background: var(--panel);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
  box-shadow: 0 14px 34px rgba(0,0,0,.16);
}
.benef-card h3, .why-card h3, .service-card h3{margin:0 0 8px}
.benef-card p, .why-card p, .test-card p{margin:0; color:var(--muted); line-height:1.55}

.why-card .icon{
  width:56px; height:56px;
  border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(11,191,114,.12);
  border:1px solid rgba(11,191,114,.25);
  margin-bottom:12px;
}
.why-card svg{color:var(--accent)}

.test-card p{font-style:italic}
.test-card h4{margin:10px 0 0; color:var(--text)}

.trust-banner{
  padding:44px 18px;
  text-align:center;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  background: linear-gradient(90deg, rgba(11,191,114,.12), rgba(96,165,250,.12));
}
.trust-banner h2{margin:0 0 8px}
.trust-banner p{margin:0 0 16px; color:var(--muted)}

/* PLANES (service cards) */
.service-card ul{
  margin:12px 0;
  padding-left:18px;
  color:var(--muted);
}
.plan-btn{margin-top:10px}

/* ABOUT + CONTACT */
.section-head{margin-bottom:18px}
.section-head h2{margin:0 0 8px; font-size:30px}
.section-head p{margin:0; color:var(--muted)}

.about{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:18px;
  align-items:center;
}
.about-img{
  border-radius:18px;
  border:1px solid var(--border);
  box-shadow: var(--shadow);
}

.ticks{margin:14px 0 0; padding-left:18px; color:var(--muted)}
.ticks li{margin:6px 0}

.contact .form-grid{
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.form-grid label{display:flex; flex-direction:column; gap:6px; color:var(--muted); font-weight:600}
input, textarea{
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--border);
  background: rgba(0,0,0,.20);
  color:var(--text);
  outline:none;
}
input:focus, textarea:focus{border-color: rgba(11,191,114,.45)}
.span-2{grid-column: span 2}

.form-actions{margin-top:12px; display:flex; gap:14px; align-items:center}
#form-status{color:var(--muted)}

/* FOOTER */
.site-footer{
  border-top:1px solid var(--border);
  background: rgba(11,16,32,.70);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 0;
  gap:14px;
}
.footer-nav{display:flex; gap:12px}
.footer-nav a{color:var(--muted)}
.footer-nav a:hover{color:var(--text)}

/* Responsive */
@media (max-width: 980px){
  .cards-3, .beneficios-grid, .why-grid, .test-grid{grid-template-columns: 1fr}
  .about{grid-template-columns: 1fr}
  .contact .form-grid{grid-template-columns: 1fr}
  .span-2{grid-column: auto}
}

@media (max-width: 820px){
  .nav{display:none}
  .nav.open{display:flex; flex-direction:column; align-items:flex-start; gap:10px; padding:12px; border:1px solid var(--border); border-radius:16px; background: rgba(11,16,32,.92); position:absolute; right:18px; top:64px}
  .nav-toggle{display:inline-flex}
  .footer-inner{flex-direction:column; align-items:flex-start}
}