:root {
  --bg: #05070d;
  --bg2: #0a0f1c;
  --card: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(56,220,255,0.4);
  --text: #eef3fb;
  --muted: #8a97ad;
  --accent: #38dcff;
  --accent2: #7c5cff;
  --accent3: #1de9b6;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}
.bg-fx {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 90%);
}
.glow {
  position: fixed; border-radius: 50%; filter: blur(110px);
  opacity: 0.32; z-index: 0; pointer-events: none;
}
.glow-1 { width: 480px; height: 480px; background: var(--accent); top: -160px; left: -100px; }
.glow-2 { width: 420px; height: 420px; background: var(--accent2); bottom: -160px; right: -120px; }

header {
  position: relative; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
header img { height: 34px; display: block; }
nav a {
  color: var(--muted); text-decoration: none; font-size: 14px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid transparent;
  margin-left: 6px;
}
nav a:hover { color: var(--text); border-color: var(--border); background: var(--card); }
.nav-dropdown { position: relative; display: inline-block; margin-left: 6px; }
.nav-dropdown > button {
  background: none; cursor: pointer; font-family: inherit;
  color: var(--muted); text-decoration: none; font-size: 14px;
  padding: 9px 16px; border-radius: 8px; border: 1px solid transparent;
}
.nav-dropdown:hover > button, .nav-dropdown:focus-within > button { color: var(--text); border-color: var(--border); background: var(--card); }
.nav-dropdown-menu {
  display: none; position: absolute; top: 100%; left: 0; margin-top: 0;
  background: var(--bg2); border: 1px solid var(--border); border-radius: 10px;
  padding: 6px; min-width: 190px; box-shadow: 0 16px 40px -12px rgba(0,0,0,0.5); z-index: 30;
}
.nav-dropdown.hover-open .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a { display: block; padding: 9px 12px; border-radius: 6px; white-space: nowrap; font-size: 14px; margin: 0; }

main {
  position: relative; z-index: 1;
  max-width: 560px;
  margin: 0 auto;
  padding: 70px 24px 100px;
}
/* fluido: aprovecha el ancho real de la ventana en pantallas grandes (en vez
   de un tope fijo de 900px que dejaba franjas vacias a los costados), con
   un techo para no estirar demasiado el texto/las tarjetas; min() ya se
   achica solo en celular, sin necesitar una media query aparte para esto. */
main.wide { max-width: min(95vw, 1600px); }
main h1 {
  font-size: clamp(26px, 4vw, 34px);
  margin: 0 0 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
main .sub { color: var(--muted); margin: 0 0 32px; font-size: 15px; line-height: 1.6; }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px;
  margin-bottom: 20px;
}
label { display: block; font-size: 13px; color: var(--muted); margin: 16px 0 6px; }
label:first-of-type { margin-top: 0; }
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-size: 14.5px;
  font-family: inherit;
}
input:focus, select:focus { outline: none; border-color: var(--border-hover); }
/* el <select> en si usa el fondo semitransparente de arriba, que se ve bien
   sobre la pagina oscura - pero la lista desplegada de <option> es una
   superficie nativa aparte que en la mayoria de los navegadores NO hereda
   ese fondo (queda blanca por default), mientras que el color de texto
   claro si se hereda: texto blanco sobre fondo blanco, ilegible. */
select option { background-color: var(--bg2); color: var(--text); }

button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(100deg, var(--accent), var(--accent2));
  color: #04101a;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
button:hover, .btn:hover { box-shadow: 0 8px 30px -6px rgba(56,220,255,0.55); transform: translateY(-2px); }
.btn-secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn-active { background: var(--bg2); color: var(--accent); border: 1px solid var(--accent); box-shadow: none; }
.btn-full { width: 100%; margin-top: 22px; }

.msg { border-radius: 10px; padding: 14px 16px; font-size: 14px; margin-bottom: 24px; }
.msg-ok { background: rgba(29,233,182,0.1); border: 1px solid rgba(29,233,182,0.35); color: #7dfad0; }
.msg-error { background: rgba(255,107,107,0.1); border: 1px solid rgba(255,107,107,0.35); color: #ff9c9c; }
.msg-info { background: rgba(56,220,255,0.08); border: 1px solid rgba(56,220,255,0.3); color: var(--accent); }

.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.plan-card h3 { margin: 0 0 6px; font-size: 18px; }
.plan-price { font-size: 26px; font-weight: 700; color: var(--accent3); margin: 10px 0; }
.plan-price small { font-size: 13px; color: var(--muted); font-weight: 400; }
.plan-card p { color: var(--muted); font-size: 14px; line-height: 1.6; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 11.5px; text-transform: uppercase; }
.tag { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.tag-pendiente { background: rgba(255,193,7,0.15); color: #ffcf5c; }
.tag-activa { background: rgba(29,233,182,0.15); color: #7dfad0; }
.tag-vencida { background: rgba(255,107,107,0.15); color: #ff9c9c; }

.bank-box {
  background: rgba(56,220,255,0.06);
  border: 1px solid rgba(56,220,255,0.25);
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
}
.bank-box dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 14px; }
.bank-box dt { color: var(--muted); }
.bank-box dd { margin: 0; font-weight: 600; }
.ref-code {
  font-family: 'Courier New', monospace;
  font-size: 18px;
  letter-spacing: 2px;
  color: var(--accent);
}

.nav-toggle { display: none; }
@media (max-width: 700px) {
  header { padding: 16px 20px; flex-wrap: wrap; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--border);
    background: var(--card); color: var(--text); font-size: 18px; cursor: pointer;
  }
  nav {
    display: none; width: 100%; order: 3; margin-top: 14px; margin-left: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
  }
  nav.nav-open { display: flex; }
  nav a { margin-left: 0; padding: 12px 14px; }
  .nav-dropdown { width: 100%; margin-left: 0; }
  .nav-dropdown > button { width: 100%; text-align: left; padding: 12px 14px; }
  .nav-dropdown-menu {
    display: none; position: static; box-shadow: none; border: none;
    background: none; padding: 0 0 0 16px; margin: 0; min-width: 0;
  }
  .nav-dropdown-menu a { padding: 10px 14px; }
  .nav-dropdown.hover-open .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu { display: none; }
  .nav-dropdown.dropdown-open .nav-dropdown-menu { display: block; }
}
@media (max-width: 600px) {
  main { padding: 40px 18px 60px; }
  .card { padding: 22px; }
}