/* =====================================================================
   Bitel Ilimitado — Corporación Terracom S.A.C.
   ===================================================================== */

:root {
  --azul: #0d3b8c;
  --azul-oscuro: #082a63;
  --azul-suave: #eaf1fc;
  --amarillo: #ffd400;
  --amarillo-oscuro: #e0b800;
  --peligro: #d6293e;
  --peligro-suave: #fdeaec;
  --negro: #1a1a1a;
  --gris-900: #212529;
  --gris-700: #495057;
  --gris-500: #868e96;
  --gris-300: #dee2e6;
  --gris-100: #f6f7f9;
  --blanco: #ffffff;
  --verde-whatsapp: #25d366;
  --azul-messenger: #0084ff;
  --radio: 16px;
  --sombra: 0 10px 30px rgba(26, 26, 26, 0.08);
  --fuente-titulo: 'Poppins', 'Segoe UI', sans-serif;
  --fuente-texto: 'Inter', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--fuente-texto);
  color: var(--gris-900);
  background: var(--blanco);
  line-height: 1.5;
}
h1, h2, h3 { font-family: var(--fuente-titulo); margin: 0 0 .5em; line-height: 1.2; }
p { margin: 0 0 1em; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.contenedor { max-width: 1160px; margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--azul); color: #fff;
  padding: 10px 16px; z-index: 1000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
  text-decoration: none; border: none; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primario { background: var(--azul); color: #fff; box-shadow: 0 8px 20px rgba(13, 59, 140, .35); }
.btn-primario:hover { background: var(--azul-oscuro); }
.btn-secundario { background: var(--gris-100); color: var(--gris-900); }
.btn-whatsapp { background: var(--verde-whatsapp); color: #fff; }
.btn-chico { padding: 10px 18px; font-size: 14px; }
.btn-ancho { width: 100%; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--gris-300); border-top: 4px solid var(--amarillo); }
.site-header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; }
.marca { display: flex; align-items: center; gap: 10px; }
.logo-bitel { height: 30px; width: auto; }
.logo-terracom { height: 34px; width: auto; }
.marca-separador { color: var(--gris-300); }
.marca-distribuidor { font-size: 13px; color: var(--gris-700); font-weight: 600; }
.nav-principal { display: flex; align-items: center; gap: 24px; font-weight: 600; font-size: 15px; }
.nav-principal a:not(.btn) { text-decoration: none; color: var(--gris-700); }
.nav-principal a:not(.btn):hover { color: var(--azul); }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(135deg, #fff 40%, var(--azul-suave) 100%); padding: 60px 0 70px; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.badge-hero { display: inline-block; background: var(--amarillo); color: var(--azul-oscuro); padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700; margin-bottom: 16px; }
.hero h1 { font-size: 42px; font-weight: 800; }
.hero-texto p { font-size: 17px; color: var(--gris-700); max-width: 520px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 24px 0; }
.hero-confianza { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: var(--gris-700); font-weight: 500; }

.hero-tarjeta-promo {
  position: relative; overflow: hidden; background: linear-gradient(160deg, var(--azul) 0%, var(--azul-oscuro) 100%);
  color: #fff; border-radius: 24px; padding: 40px 32px; text-align: center; box-shadow: var(--sombra);
}
.promo-glow { position: absolute; width: 260px; height: 260px; background: rgba(255,255,255,.12); border-radius: 50%; top: -100px; right: -80px; }
.promo-kicker { text-transform: uppercase; letter-spacing: 2px; font-size: 13px; font-weight: 700; opacity: .85; margin-bottom: 6px; }
.promo-numero { font-family: var(--fuente-titulo); font-size: 96px; font-weight: 800; line-height: 1; margin: 0; color: var(--amarillo); }
.promo-numero span { font-size: 40px; vertical-align: super; }
.promo-detalle { font-size: 16px; font-weight: 600; max-width: 320px; margin: 10px auto 16px; }
.promo-vigencia { font-size: 12px; opacity: .85; margin: 0; }

/* ---------- Secciones genéricas ---------- */
.seccion { padding: 70px 0; }
.seccion.confianza, .seccion.tiendas { background: var(--gris-100); }
.titulo-seccion { font-size: 32px; text-align: center; font-weight: 800; }
.subtitulo-seccion { text-align: center; color: var(--gris-700); max-width: 560px; margin: 0 auto 40px; }

/* ---------- Planes ---------- */
.grid-planes { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
.tarjeta-plan {
  position: relative; background: #fff; border: 1px solid var(--gris-300); border-radius: var(--radio);
  padding: 32px 28px; display: flex; flex-direction: column; box-shadow: var(--sombra);
}
.tarjeta-plan.destacado { border: 2px solid var(--azul); transform: scale(1.02); }
.tarjeta-plan.tema-azul-oscuro { background: linear-gradient(180deg, var(--azul-suave) 0%, #fff 140px); }
.tarjeta-plan.tema-azul-oscuro .precio-grande { color: var(--azul-oscuro); }
.tarjeta-plan.tema-gris .precio-grande { color: var(--gris-900); }
.tarjeta-plan.tema-gris .badge-promo { background: var(--gris-100); color: var(--gris-700); }
.cinta-destacado {
  position: absolute; top: -14px; left: 28px; background: var(--amarillo); color: var(--azul-oscuro); font-size: 12px;
  font-weight: 700; padding: 6px 14px; border-radius: 999px;
}
.badge-promo {
  display: inline-block; align-self: flex-start; background: var(--amarillo); color: var(--azul-oscuro);
  font-weight: 700; font-size: 13px; padding: 6px 12px; border-radius: 999px; margin-bottom: 14px;
}
.tarjeta-plan h3 { font-size: 22px; margin-bottom: 2px; }
.plan-velocidad { color: var(--gris-500); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }
.plan-precio { margin: 18px 0; }
.precio-tachado { text-decoration: line-through; color: var(--gris-500); font-size: 15px; }
.precio-grande { font-family: var(--fuente-titulo); font-size: 46px; font-weight: 800; color: var(--azul); }
.precio-grande span { font-size: 16px; font-weight: 600; color: var(--gris-700); }
.precio-nota { font-size: 13px; color: var(--gris-700); margin: 4px 0 0; }
.plan-datos-destacado { font-weight: 700; font-size: 16px; }
.plan-datos-mes13 { font-size: 13px; color: var(--gris-700); margin-top: -8px; }
.plan-beneficios { list-style: none; margin: 20px 0; padding: 0; flex-grow: 1; }
.plan-beneficios li { display: flex; align-items: flex-start; gap: 10px; padding: 7px 0; font-size: 14.5px; border-top: 1px dashed var(--gris-300); }
.plan-beneficios li:first-child { border-top: none; }
.plan-beneficios .icono { flex-shrink: 0; }
.legal-nota { text-align: center; color: var(--gris-500); font-size: 13px; margin-top: 30px; }

/* ---------- Confianza ---------- */
.grid-confianza { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.tarjeta-confianza { background: #fff; border-radius: var(--radio); padding: 28px; text-align: center; box-shadow: var(--sombra); }
.icono-grande { font-size: 34px; display: block; margin-bottom: 10px; }
.tarjeta-confianza h3 { font-size: 17px; }
.tarjeta-confianza p { color: var(--gris-700); font-size: 14px; margin: 0; }

/* ---------- Tiendas ---------- */
.grid-tiendas { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.tarjeta-ciudad { background: #fff; border-radius: var(--radio); padding: 24px; box-shadow: var(--sombra); }
.tarjeta-ciudad h3 { font-size: 17px; margin-bottom: 14px; }
.tarjeta-ciudad ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.tarjeta-ciudad li { border-top: 1px solid var(--gris-300); padding-top: 10px; font-size: 14px; }
.tarjeta-ciudad li:first-child { border-top: none; padding-top: 0; }
.tarjeta-ciudad li span { display: block; color: var(--gris-500); font-size: 13px; }

/* ---------- Formulario ---------- */
.tarjeta-formulario { background: #fff; border: 1px solid var(--gris-300); border-radius: var(--radio); padding: 32px; max-width: 760px; margin: 0 auto; box-shadow: var(--sombra); }
.campo-honeypot { position: absolute; left: -9999px; }
.form-grid-publico { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid-publico label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: var(--gris-700); }
.form-grid-publico .campo-ancho { grid-column: 1 / -1; }
.form-grid-publico input, .form-grid-publico select {
  font-family: var(--fuente-texto); font-size: 15px; padding: 12px 14px; border-radius: 10px;
  border: 1.5px solid var(--gris-300); background: #fff; color: var(--gris-900);
}
.form-grid-publico input:focus, .form-grid-publico select:focus { outline: none; border-color: var(--azul); }
.campo-invalido { border-color: var(--peligro) !important; background: var(--peligro-suave); }
.error-campo { color: var(--peligro); font-size: 12.5px; font-weight: 600; min-height: 15px; }
.form-privacidad { font-size: 12.5px; color: var(--gris-500); margin-top: 6px; }
.form-mensaje { text-align: center; font-weight: 600; margin-top: 14px; min-height: 20px; }
.form-mensaje-ok { color: #1b8a3d; }
.form-mensaje-error { color: var(--peligro); }

/* ---------- Botones flotantes ---------- */
.flotantes { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 12px; z-index: 200; }
.flotante { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: 0 8px 20px rgba(0,0,0,.25); transition: transform .15s ease; }
.flotante:hover { transform: scale(1.08); }
.flotante-whatsapp { background: var(--verde-whatsapp); }
.flotante-messenger { background: var(--azul-messenger); }

/* ---------- Footer ---------- */
.site-footer { background: var(--negro); color: #d8d8d8; padding: 44px 0 0; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; padding-bottom: 30px; }
.footer-marca-wrap { display: flex; align-items: center; gap: 14px; }
.footer-logo-chip { background: #fff; border-radius: 12px; padding: 10px 16px; display: inline-flex; align-items: center; }
.footer-logo-chip img { height: 52px; width: auto; }
.footer-marca { font-weight: 700; color: #fff; font-size: 16px; }
.footer-nota { font-size: 12.5px; color: #9a9a9a; max-width: 420px; }
.footer-redes { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.footer-redes a { text-decoration: none; }
.footer-redes a:hover { color: var(--amarillo); }
.footer-legal { display: flex; justify-content: space-between; border-top: 1px solid #333; padding: 16px 20px; font-size: 12.5px; color: #888; }
.footer-legal a { text-decoration: none; color: #888; }
.footer-legal a:hover { color: #fff; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; }
  .nav-principal { gap: 14px; font-size: 13px; }
  .nav-principal a:not(.btn) { display: none; }
  .hero h1 { font-size: 32px; }
  .form-grid-publico { grid-template-columns: 1fr; }
  .tarjeta-plan.destacado { transform: none; }
}

/* =====================================================================
   Panel de administración
   ===================================================================== */
.admin-body { background: var(--gris-100); font-family: var(--fuente-texto); margin: 0; }
.admin-login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.admin-login-card { background: #fff; border-radius: var(--radio); padding: 36px; width: 100%; max-width: 380px; box-shadow: var(--sombra); }
.admin-login-card h1 { font-size: 22px; }
.admin-login-card form { display: flex; flex-direction: column; gap: 14px; margin-top: 10px; }
.admin-login-card label { font-size: 14px; font-weight: 600; display: flex; flex-direction: column; gap: 6px; }
.admin-login-card input { padding: 12px; border-radius: 8px; border: 1.5px solid var(--gris-300); font-size: 15px; }
.admin-error { background: var(--peligro-suave); color: var(--peligro); padding: 10px 14px; border-radius: 8px; font-size: 13.5px; }
.admin-ok { background: #e6f6ea; color: #1b8a3d; padding: 10px 14px; border-radius: 8px; font-size: 13.5px; display: inline-block; }

.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-nav { background: var(--negro); color: #fff; padding: 24px 18px; }
.admin-nav-brand { font-family: var(--fuente-titulo); font-weight: 800; font-size: 18px; margin-bottom: 24px; }
.admin-nav-brand span { color: var(--amarillo); }
.admin-nav nav { display: flex; flex-direction: column; gap: 4px; }
.admin-nav a { text-decoration: none; color: #ccc; padding: 10px 12px; border-radius: 8px; font-size: 14px; font-weight: 600; }
.admin-nav a:hover, .admin-nav a.activo { background: rgba(255,255,255,.08); color: #fff; }
.admin-nav a.salir { margin-top: 20px; color: #ff8080; }

.admin-main { padding: 32px 36px; max-width: 1100px; }
.admin-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; flex-wrap: wrap; gap: 12px; }
.admin-header h1 { font-size: 24px; margin: 0; }
.admin-ayuda { color: var(--gris-700); font-size: 14px; margin-bottom: 24px; }
.admin-vacio { color: var(--gris-500); font-style: italic; }

.admin-caja { background: #fff; border-radius: var(--radio); padding: 26px; box-shadow: var(--sombra); margin-bottom: 28px; }
.admin-caja h2 { font-size: 18px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13.5px; font-weight: 600; color: var(--gris-700); grid-column: span 1; }
.form-grid label.checkbox-label { flex-direction: row; align-items: center; gap: 8px; }
.form-grid input, .form-grid select, .form-grid textarea { font-family: var(--fuente-texto); padding: 10px 12px; border-radius: 8px; border: 1.5px solid var(--gris-300); font-size: 14.5px; }
.form-grid button { grid-column: 1 / -1; justify-self: start; }
.form-inline { display: inline; }

.admin-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip { text-decoration: none; background: #fff; border: 1.5px solid var(--gris-300); color: var(--gris-700); padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.chip-activo { background: var(--azul); border-color: var(--azul); color: #fff; }

.admin-tabla-wrap { overflow-x: auto; background: #fff; border-radius: var(--radio); box-shadow: var(--sombra); }
.admin-tabla { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.admin-tabla th, .admin-tabla td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--gris-300); white-space: nowrap; }
.admin-tabla th { background: var(--gris-100); font-weight: 700; }
.fila-tienda { display: contents; }
.input-tabla { width: 140px; padding: 8px; border-radius: 6px; border: 1px solid var(--gris-300); font-size: 13px; }
.input-tabla-ancho { width: 260px; }

.admin-tarjetas-planes { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-bottom: 26px; }
.admin-plan-card { background: #fff; border-radius: 14px; padding: 20px; box-shadow: var(--sombra); }
.admin-plan-card.inactivo { opacity: .55; }
.admin-plan-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.admin-plan-precio { font-weight: 700; margin: 0 0 4px; }
.admin-plan-datos { font-size: 13px; color: var(--gris-700); margin: 0 0 14px; }
.admin-plan-acciones { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.badge { font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.badge-ok { background: #e6f6ea; color: #1b8a3d; }
.badge-off { background: var(--gris-300); color: var(--gris-700); }

.admin-lista-beneficios { list-style: none; margin: 0 0 20px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.admin-lista-beneficios li { display: flex; justify-content: space-between; align-items: center; background: var(--gris-100); padding: 10px 14px; border-radius: 8px; font-size: 14px; }

.btn-link-peligro { background: none; border: none; color: var(--peligro); font-weight: 600; font-size: 13px; cursor: pointer; padding: 8px 4px; }
.btn-link-peligro:hover { text-decoration: underline; }

@media (max-width: 800px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-nav { display: flex; overflow-x: auto; }
  .admin-nav nav { flex-direction: row; }
  .admin-main { padding: 20px; }
  .form-grid { grid-template-columns: 1fr; }
}