/* ================================
   AvanPay · Estilos principales
   Paleta restaurada (azul original)
=================================== */

:root {
  --blue: #0D47A1;        /* Azul profundo del logo */
  --blue-600: #09367C;    /* Variante más oscura para hover */
  --ink: #1A1A1A;
  --muted: #5B5B5B;
  --bg: #FFFFFF;
  --card: #FFFFFF;
  --border: #E5E8EE;
  --success: #00B386;
  --danger: #E03A3E;
}


/* ======================
   Reset y base
====================== */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.py-40 { padding: 40px 0; }

/* ======================
   Header / Navegación
====================== */
.site-header {
  background: var(--blue);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 6px rgba(0,0,0,.1);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.brand img { height: 36px; width: auto; }
.nav a {
  text-decoration: none;
  color: #fff;
  margin-left: 18px;
  font-weight: 600;
  transition: color 0.2s ease;
}
.nav a.active, .nav a:hover { color: #cce0ff; }

/* ======================
   Hero / Portada
====================== */
.hero { padding: 70px 0; background: #f8faff; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 30px;
  align-items: center;
}
.hero-copy h1 { font-size: 42px; margin: 0 0 10px; color: var(--blue); }
.lead { color: var(--muted); font-size: 18px; line-height: 1.5; }
.cta-row { display: flex; gap: 12px; margin-top: 22px; }

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}
.btn.primary {
  background: var(--blue);
  color: #fff;
}
.btn.primary:hover {
  background: var(--blue-600);
}
.btn.ghost {
  background: #fff;
  border-color: var(--border);
  color: var(--blue);
}
.btn.ghost:hover {
  border-color: var(--blue);
  color: var(--blue-600);
}

/* ======================
   Cuadro de beneficios
====================== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 6px 18px rgba(0,0,0,.05);
}
.card.small {
  padding: 14px;
  max-width: 320px; /* compactado */
}
.checks {
  list-style: none;
  padding: 0;
  margin: 0;
}
.checks li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}
.checks li:last-child {
  border-bottom: 0;
}

/* ======================
   Sección "Por qué AvanPay"
====================== */
.why {
  padding: 60px 0;
  background: #fff;
  text-align: center;
}
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 25px;
}
.cards-3 .card h3 {
  margin-top: 6px;
  color: var(--blue);
}

/* ======================
   Banda CTA inferior
====================== */
.cta-band {
  padding: 28px 0;
  background: var(--blue);
  color: #fff;
  text-align: center;
}
.cta-band .btn {
  background: #fff;
  color: var(--blue);
  border: none;
}
.cta-band .btn:hover {
  background: #e5ecff;
}

/* ======================
   Footer
====================== */
.site-footer {
  margin-top: 60px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  background: #fff;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-links a {
  margin-left: 16px;
  color: var(--muted);
  text-decoration: none;
}
.footer-links a:hover { color: var(--blue); }

/* ======================
   Formularios
====================== */
.field { margin-bottom: 14px; }
.field.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}
input, textarea, select {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 15px;
}
textarea { resize: vertical; }
.small.note {
  color: var(--muted);
  font-size: 12px;
  margin-top: 8px;
}

/* ======================
   Estado del formulario
====================== */
.status {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 600;
  display: none;
}
.status.ok {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.status.error {
  display: block;
  background: #fef2f2;
  color: #7f1d1d;
  border: 1px solid #fecaca;
}

/* ======================
   Tabla de amortización
====================== */
.table-wrap { margin-top: 30px; }
.table-responsive {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}
th, td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: right;
}
th:first-child, td:first-child { text-align: left; }
tbody tr:hover { background: #f8faff; }
.summary {
  margin-top: 14px;
  background: #fff;
  border: 1px solid var(--border);
  padding: 14px;
  border-radius: 12px;
}
.hidden { display: none; }

/* ======================
   Legal (Términos / Aviso / Contrato)
====================== */
.legal-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
}
.side {
  position: sticky;
  top: 90px;
  align-self: start;
}
.side ul {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}
.side a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
}
.side a.active, .side a:hover {
  background: #e5ecff;
  color: var(--blue);
}
.doc-pane { display: none; }
.doc-pane.visible { display: block; }
.prose pre {
  white-space: pre-wrap;
  font: 14px/1.45 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Courier New", monospace;
}
.pdf-frame {
  width: 100%;
  height: 80vh;
  border: 1px solid var(--border);
  border-radius: 12px;
}

/* ======================
   Helpers
====================== */
.grid-2 {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 20px;
}

/* ======================
   Responsividad
====================== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cards-3 { grid-template-columns: 1fr; }
  .legal-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .field.two { grid-template-columns: 1fr; }
}