:root{
  /* Paleta de Identidad Visual */
  --blue: #0500fe;        /* Blue */
  --aqua: #24fab0;        /* Aquamarine */
  --rich-black: #000034;  /* Rich Black */
  --penn-blue: #040f16;   /* Penn Blue */

  /* Derivados */
  --bg: var(--penn-blue);
  --text: #e6e8ef;
  --muted: #aeb4c2;
  --card: #08121b;
  --stroke: rgba(255,255,255,.08);
  --accent: var(--aqua);
  --cta: var(--blue);
  --cta-contrast: #ffffff;

  --radius: 18px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);

  --container: 1200px;
  --gap: 24px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:"Noto Sans",system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 80% -20%, rgba(5,0,254,.18), transparent 40%),
    radial-gradient(900px 500px at -10% 10%, rgba(36,250,176,.12), transparent 40%),
    var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:100%;max-width:var(--container);margin:auto;padding:0 20px}
h1,h2,h3{line-height:1.2;margin:0 0 .6rem}
h1{font-size:clamp(2rem,3.6vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.6rem,2.6vw,2.2rem);font-weight:800}
h3{font-size:1.125rem;font-weight:700}

/* Topbar */
.topbar{
  background:linear-gradient(90deg, rgba(5,0,254,.25), rgba(36,250,176,.25));
  color:var(--text);
  font-size:.9rem;
  text-align:center;
  padding:.5rem 1rem;
  border-bottom:1px solid var(--stroke);
}
.topbar .link{color:#fff;text-decoration:underline}

/* Header */
.header{
  position:sticky;top:0;z-index:10;
  backdrop-filter:saturate(140%) blur(8px);
  background:rgba(4,15,22,.55);
  border-bottom:1px solid var(--stroke);
}
.header .container{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.logo{height:28px}
.nav{display:flex;gap:18px;align-items:center}
.nav a{color:#eaf0ff}
.nav a.btn{color:#fff;text-decoration:none}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:transparent;border:0}
.nav-toggle span{display:block;width:24px;height:2px;background:#eaf0ff;border-radius:2px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.8rem 1rem;border-radius:14px;border:1px solid transparent;
  font-weight:700;letter-spacing:.2px;cursor:pointer;transition:.2s transform ease, .2s background-color ease, .2s box-shadow ease;
  text-decoration:none;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:linear-gradient(135deg, var(--blue), #3a38ff); color:var(--cta-contrast); box-shadow:0 10px 24px rgba(5,0,254,.28)}
.btn--outline{background:transparent;border-color:rgba(255,255,255,.25);color:#fff}
.btn--ghost{background:transparent;color:#fff}

/* Hero */
.hero{position:relative;padding:72px 0 24px;border-bottom:1px solid var(--stroke)}
.hero__grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.lead{font-size:1.1rem;color:#dbe0ee;max-width:42ch;margin:.8rem 0 1.2rem}
.cta-store{display:flex;gap:12px;flex-wrap:wrap;margin:1rem 0}
.store-badge img{height:46px;filter:drop-shadow(0 6px 22px rgba(0,0,0,.35))}
.hero__trust{display:flex;gap:10px;margin-top:12px}
.chip{border:1px solid var(--stroke);padding:.4rem .7rem;border-radius:999px;font-size:.85rem;color:#d6dbeb;background:rgba(255,255,255,.04)}


.hero__visual{position:relative;min-height:360px}
.device{position:absolute;border-radius:26px;border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow);background:#0b1622}
.device--main{
  right:10%;
  top:0;
  max-width:420px;
  background:transparent;
  border:none;
}
.device--float{left:8%;bottom:-10%;max-width:260px;transform:rotate(-6deg);background:transparent;
  border:none;}

.pattern{
  position:absolute;inset:-10%;z-index:-1;
  background:
    radial-gradient(600px 300px at 70% 20%, rgba(36,250,176,.16), transparent 60%),
    radial-gradient(400px 220px at 10% 80%, rgba(5,0,254,.18), transparent 60%);
  mask-image: radial-gradient(60% 60% at 50% 50%, black, transparent 70%);
}

/* Stats */
.stats{padding:28px 0;border-bottom:1px solid var(--stroke)}
.stats__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center}
.stat .num{display:block;font-weight:800;font-size:clamp(1.8rem,4vw,2.4rem)}
.stat .label{color:var(--muted);font-size:.95rem}

/* Benefits */
.benefits{padding:64px 0}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  padding:20px;border-radius:var(--radius);background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--stroke);
}

/* How */
.how{padding:40px 0;border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:16px 0 0;padding:0;list-style-position:inside}
.steps li{background:rgba(255,255,255,.04);border:1px solid var(--stroke);border-radius:var(--radius);padding:16px}

/* Modules */
.modules{padding:64px 0}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.module{
  border-radius:var(--radius);background:rgba(255,255,255,.03);border:1px solid var(--stroke);padding:14px
}
.module img{
  border-radius:14px;
  margin-bottom:10px;
  max-width:80px;
  height:auto;
  display:block;
  margin-left:auto;
  margin-right:auto;
}
.module ul{margin:.2rem 0 0;padding-left:16px;color:#cdd3e3}

/* Pricing */
.pricing{padding:64px 0;border-top:1px solid var(--stroke)}
.pricing__head{margin-bottom:20px}
.pricing__grid{align-items:stretch}
.price-card{
  display:flex;flex-direction:column;gap:14px;padding:20px;background:rgba(255,255,255,.035);
  border:1px solid var(--stroke);border-radius:22px;position:relative
}
.pc-head h3{margin:.1rem 0 .2rem}
.price .big{font-size:2rem;font-weight:800}
.pc-features{display:grid;gap:8px;margin:0;padding:0 0 8px 18px}
.pc-features li{margin:0}
.pc-features .muted{opacity:.6}
.pc-pro{outline:2px solid rgba(5,0,254,.35)}
.pc-best{background:linear-gradient(180deg, rgba(36,250,176,.08), rgba(255,255,255,.035))}
.pc-badge{
  position:absolute;top:-12px;right:14px;background:linear-gradient(135deg, var(--aqua), #8fffe0);color:#001118;
  font-weight:800;padding:.35rem .6rem;border-radius:999px;border:1px solid rgba(0,0,0,.06)
}
.legal-hint{margin-top:16px;color:#cbd2e2;font-size:.96rem}

/* Security */
.security{padding:64px 0;border-top:1px solid var(--stroke)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.s-card{background:rgba(255,255,255,.035);border:1px solid var(--stroke);border-radius:var(--radius);padding:18px}

/* Testimonials */
.testimonials{padding:64px 0;border-top:1px solid var(--stroke)}
.quote{
  background:rgba(255,255,255,.035);border:1px solid var(--stroke);border-radius:var(--radius);padding:18px;
  font-style:italic
}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* FAQ */
.faq{padding:64px 0;border-top:1px solid var(--stroke)}
.accordion{display:grid;gap:12px}
.acc-item{
  background:rgba(255,255,255,.03);border:1px solid var(--stroke);border-radius:14px;padding:10px 14px
}
.acc-item summary{cursor:pointer;font-weight:700}
.acc-panel{padding:6px 2px 2px}

/* Footer */
.footer{padding:36px 0;border-top:1px solid var(--stroke);background:rgba(0,0,0,.15)}
.footer__grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:20px;align-items:start}
.foot-note{margin:.2rem 0;color:#cbd2e2}
.foot-nav{display:grid;gap:10px}
.foot-nav a{color:#e7ecff}
.foot-badges .store-badge img{height:38px}
.foot-legal{margin-top:12px;color:#aab1c2}

/* Modals */
.modal{
  width:min(820px, 92vw);border:1px solid var(--stroke);border-radius:16px;padding:18px 16px 20px;background:#0b1622;color:#eaf0ff;
  box-shadow:var(--shadow)
}
.modal::backdrop{background:rgba(0,0,0,.6)}
.modal h3{margin:0 0 .6rem}
.modal-close{
  position:absolute;top:8px;right:12px;background:transparent;border:0;color:#fff;font-size:1.6rem;cursor:pointer
}

/* Utilities */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-4 > *,.grid-5 > *,.grid-3 > *{min-width:0}

/* Responsive */
@media (max-width: 1024px){
  .hero__grid{grid-template-columns:1fr;gap:26px}
  .device--main{position:relative;right:auto;top:auto;max-width:560px;margin-left:auto;margin-right:auto}
  .device--float{display:none}
  .grid-5{grid-template-columns:repeat(3,1fr)}
}
@media (max-width: 860px){
  .nav{position:fixed;inset:62px 10px auto 10px;flex-direction:column;background:rgba(4,15,22,.94);backdrop-filter:blur(6px);border:1px solid var(--stroke);border-radius:16px;padding:12px;display:none}
  .nav[aria-expanded="true"]{display:flex}
  .nav-toggle{display:flex}
  .header .btn{width:100%}
  .stats__grid{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:1fr}
  .grid-5{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr}
}
@media (max-width: 560px){
  .stats__grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .grid-5{grid-template-columns:1fr}
}
/* --- Responsive Container --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- Responsive Images --- */
img, .device {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- Responsive Grid Layouts --- */
.grid-4, .grid-5, .grid-3, .hero__grid, .stats__grid, .pricing__grid, .footer__grid {
  display: grid;
  gap: 2rem;
}

.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.hero__grid { grid-template-columns: 1fr 1fr; }
.stats__grid { grid-template-columns: repeat(3, 1fr); }
.pricing__grid { grid-template-columns: repeat(4, 1fr); }
.footer__grid { grid-template-columns: 1fr 1fr 1fr; }

/* --- Navigation --- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}
@media (max-width: 900px) {
  .grid-4, .grid-5, .grid-3, .pricing__grid, .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__visual {
    margin: 2rem auto 0;
  }
}
@media (max-width: 600px) {
  .container {
    padding: 0 1rem;
  }
  .grid-4, .grid-5, .grid-3, .pricing__grid, .footer__grid {
    grid-template-columns: 1fr;
  }
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .nav.open {
    display: flex;
  }
  .nav-toggle {
    display: inline-block;
  }
}

/* --- Responsive Typography --- */
h1 { font-size: 2.2rem; }
h2 { font-size: 1.5rem; }
.lead { font-size: 1.1rem; }
@media (max-width: 600px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.2rem; }
  .lead { font-size: 1rem; }
}

/* --- Buttons and Touch Targets --- */
.btn, .store-badge {
  min-width: 44px;
  min-height: 44px;
  font-size: 1rem;
}

/* --- Modal Fullscreen on Mobile --- */
@media (max-width: 600px) {
  dialog.modal {
    width: 95vw;
    max-width: 95vw;
    min-width: unset;
    padding: 1rem;
  }
}