/* Bersta Hosting — estilos propios, sin dependencias. Colores de marca Bersta. */
:root {
  --azul: #2B5198;
  --azul-osc: #1d3a72;
  --azul-claro: #e9effa;
  --turquesa: #02A6BC;
  --turquesa-osc: #01899b;
  --tinta: #16213a;
  --texto: #3b4660;
  --suave: #6b7590;
  --linea: #e3e8f1;
  --fondo: #f6f8fc;
  --blanco: #fff;
  --ok: #138a52;
  --ok-fondo: #e6f6ee;
  --warn: #9a6200;
  --warn-fondo: #fff4dc;
  --bad: #b42318;
  --bad-fondo: #fdecea;
  --radio: 14px;
  --sombra: 0 1px 2px rgba(22, 33, 58, .06), 0 8px 24px rgba(22, 33, 58, .06);
  --fuente: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--fuente); color: var(--texto); background: var(--blanco); line-height: 1.6; font-size: 16px; }
img, svg { max-width: 100%; display: block; }
a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { color: var(--tinta); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
small, .suave { color: var(--suave); }
.contenedor { width: min(1120px, 100% - 32px); margin-inline: auto; }
.angosto { width: min(720px, 100% - 32px); margin-inline: auto; }
.oculto-movil { }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; padding: .75em 1.3em; border-radius: 999px; border: 1px solid transparent; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none !important; transition: background .15s, transform .05s; white-space: nowrap; }
.btn:active { transform: translateY(1px); }
.btn-primario { background: var(--azul); color: #fff; }
.btn-primario:hover { background: var(--azul-osc); }
.btn-acento { background: var(--turquesa); color: #fff; }
.btn-acento:hover { background: var(--turquesa-osc); }
.btn-borde { background: #fff; color: var(--azul); border-color: var(--linea); }
.btn-borde:hover { border-color: var(--azul); }
.btn-peligro { background: #fff; color: var(--bad); border-color: #f3c3be; }
.btn-chico { padding: .45em .9em; font-size: .88rem; }
.btn-bloque { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* Encabezado */
.cabecera { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .92); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--linea); }
.cabecera .contenedor { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--tinta); font-size: 1.15rem; text-decoration: none !important; }
.logo img { width: 34px; height: 34px; }
.nav { display: flex; gap: 22px; margin-left: 8px; }
.nav a { color: var(--texto); font-weight: 500; font-size: .95rem; }
.nav a:hover, .nav a.activo { color: var(--azul); text-decoration: none; }
.acciones { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.carrito-link { position: relative; display: inline-flex; padding: 8px; color: var(--tinta); }
.carrito-link .n { position: absolute; top: -2px; right: -4px; background: var(--turquesa); color: #fff; font-size: .7rem; font-weight: 700; border-radius: 999px; min-width: 18px; height: 18px; display: grid; place-items: center; padding: 0 4px; }
.menu-btn { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--tinta); }

/* Héroe */
.heroe { background: radial-gradient(1200px 500px at 85% -10%, rgba(2, 166, 188, .18), transparent 60%), linear-gradient(180deg, var(--azul-claro), #fff 85%); padding: 72px 0 56px; }
.heroe .etiqueta { display: inline-block; background: #fff; color: var(--azul); border: 1px solid var(--linea); border-radius: 999px; padding: .3em .9em; font-size: .85rem; font-weight: 600; margin-bottom: 18px; }
.heroe p.lead { font-size: 1.15rem; max-width: 640px; color: var(--texto); }
.buscador { display: flex; gap: 8px; background: #fff; border: 1px solid var(--linea); border-radius: 999px; padding: 6px; box-shadow: var(--sombra); max-width: 680px; margin-top: 28px; }
.buscador input { flex: 1; border: 0; outline: 0; font: inherit; font-size: 1.05rem; padding: .6em 1em; background: transparent; min-width: 0; color: var(--tinta); }
.tlds-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.chip { background: #fff; border: 1px solid var(--linea); border-radius: 999px; padding: .35em .9em; font-size: .9rem; }
.chip b { color: var(--tinta); }

/* Secciones */
.seccion { padding: 72px 0; }
.seccion-gris { background: var(--fondo); }
.titulo-seccion { text-align: center; max-width: 720px; margin: 0 auto 40px; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.tarjeta { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 24px; box-shadow: var(--sombra); }
.icono { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--azul-claro); color: var(--azul); margin-bottom: 14px; }

/* Planes */
.plan { display: flex; flex-direction: column; position: relative; }
.plan.destacado { border: 2px solid var(--turquesa); }
.plan .cinta { position: absolute; top: -12px; left: 24px; background: var(--turquesa); color: #fff; font-size: .75rem; font-weight: 700; padding: .25em .8em; border-radius: 999px; text-transform: uppercase; letter-spacing: .04em; }
.plan .precio { font-size: 2rem; font-weight: 700; color: var(--tinta); line-height: 1.1; margin: 10px 0 2px; }
.plan .precio small { font-size: .9rem; font-weight: 500; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 22px; display: grid; gap: 8px; font-size: .95rem; }
.plan li { display: flex; gap: 8px; align-items: flex-start; }
.plan li::before { content: "✓"; color: var(--turquesa); font-weight: 700; }
.plan li.no { color: var(--suave); }
.plan li.no::before { content: "–"; color: var(--suave); }
.plan form { margin-top: auto; display: grid; gap: 8px; }

/* Formularios */
label { display: block; font-weight: 600; font-size: .9rem; color: var(--tinta); margin-bottom: 6px; }
.campo { margin-bottom: 16px; }
input[type=text], input[type=email], input[type=password], input[type=tel], input[type=date], input[type=number], input[type=search], select, textarea {
  width: 100%; font: inherit; color: var(--tinta); padding: .7em .9em; border: 1px solid var(--linea); border-radius: 10px; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(43, 81, 152, .25); border-color: var(--azul); }
.ayuda { font-size: .85rem; color: var(--suave); margin-top: 4px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.check input { margin-top: 5px; }
.fila { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
.fila-3 { display: grid; gap: 16px; grid-template-columns: 2fr 1fr 1fr; }

/* Avisos */
.alerta { border-radius: 12px; padding: 14px 16px; margin-bottom: 18px; border: 1px solid; font-size: .95rem; }
.alerta-ok { background: var(--ok-fondo); border-color: #b8e3cb; color: #0d5c37; }
.alerta-error { background: var(--bad-fondo); border-color: #f3c3be; color: #8a1c13; }
.alerta-aviso { background: var(--warn-fondo); border-color: #f1d9a3; color: #6b4600; }
.alerta ul { margin: 0; padding-left: 18px; }

/* Resultados de dominios */
.resultado { display: flex; align-items: center; gap: 16px; padding: 16px 20px; border-bottom: 1px solid var(--linea); flex-wrap: wrap; }
.resultado:last-child { border-bottom: 0; }
.resultado .nombre { font-weight: 600; color: var(--tinta); font-size: 1.1rem; flex: 1; min-width: 200px; word-break: break-all; }
.resultado .precio { font-weight: 700; color: var(--tinta); }
.resultado .estado { font-size: .9rem; }
.resultado.primero { background: var(--azul-claro); }
.lista { padding: 0; overflow: hidden; }

/* Etiquetas */
.badge { display: inline-block; padding: .2em .7em; border-radius: 999px; font-size: .78rem; font-weight: 600; white-space: nowrap; }
.badge-ok { background: var(--ok-fondo); color: var(--ok); }
.badge-warn { background: var(--warn-fondo); color: var(--warn); }
.badge-bad { background: var(--bad-fondo); color: var(--bad); }
.badge-muted { background: #eef1f6; color: var(--suave); }

/* Tablas */
.tabla-envoltura { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--suave); font-weight: 600; padding: 10px 14px; border-bottom: 1px solid var(--linea); background: var(--fondo); }
td { padding: 12px 14px; border-bottom: 1px solid var(--linea); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; white-space: nowrap; }
.totales { margin-left: auto; width: min(320px, 100%); }
.totales div { display: flex; justify-content: space-between; padding: 6px 0; }
.totales .total { border-top: 1px solid var(--linea); margin-top: 6px; padding-top: 10px; font-weight: 700; color: var(--tinta); font-size: 1.15rem; }

/* FAQ */
details { background: #fff; border: 1px solid var(--linea); border-radius: 12px; padding: 0 20px; margin-bottom: 10px; }
summary { cursor: pointer; padding: 16px 0; font-weight: 600; color: var(--tinta); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--azul); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { padding-bottom: 14px; }

/* CTA */
.cta { background: linear-gradient(120deg, var(--azul), var(--azul-osc)); color: #dfe8fb; border-radius: 22px; padding: 44px; display: flex; align-items: center; gap: 24px; justify-content: space-between; flex-wrap: wrap; }
.cta h2 { color: #fff; margin: 0 0 6px; }

/* Pie */
.pie { background: var(--tinta); color: #b6c0d6; padding: 48px 0 28px; margin-top: 0; font-size: .92rem; }
.pie a { color: #dfe6f5; }
.pie .contenedor > .grid { grid-template-columns: 2fr 1fr 1fr; }
.pie h4 { color: #fff; font-size: .95rem; }
.pie ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.pie .legal { border-top: 1px solid rgba(255, 255, 255, .1); margin-top: 32px; padding-top: 18px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Área de cliente / admin */
.app { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 69px); background: var(--fondo); }
.lateral { background: #fff; border-right: 1px solid var(--linea); padding: 24px 14px; }
.lateral a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; color: var(--texto); font-weight: 500; margin-bottom: 2px; }
.lateral a:hover { background: var(--fondo); text-decoration: none; }
.lateral a.activo { background: var(--azul-claro); color: var(--azul); }
.lateral .grupo { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--suave); padding: 18px 12px 6px; font-weight: 600; }
.principal { padding: 32px; min-width: 0; }
.encabezado-pagina { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.encabezado-pagina h1 { font-size: 1.6rem; margin: 0; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin-bottom: 24px; }
.kpi { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 18px; }
.kpi .v { font-size: 1.6rem; font-weight: 700; color: var(--tinta); line-height: 1.2; }
.kpi .t { font-size: .85rem; color: var(--suave); }
.panel { background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); margin-bottom: 24px; overflow: hidden; }
.panel > h2, .panel > .cab { font-size: 1.05rem; margin: 0; padding: 16px 20px; border-bottom: 1px solid var(--linea); display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.panel .cuerpo { padding: 20px; }
.vacio { padding: 28px 20px; text-align: center; color: var(--suave); }
.codigo { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; background: var(--fondo); border: 1px dashed var(--linea); border-radius: 8px; padding: .5em .8em; display: inline-block; user-select: all; }
.en-linea { display: inline; }
.prueba { background: var(--warn-fondo); color: var(--warn); text-align: center; font-size: .85rem; padding: 6px; font-weight: 600; }

/* Auth */
.auth { min-height: calc(100vh - 69px); display: grid; place-items: center; padding: 40px 16px; background: var(--fondo); }
.auth .tarjeta { width: min(460px, 100%); padding: 32px; }

/* Responsive */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .app { grid-template-columns: 1fr; }
  .lateral { display: flex; overflow-x: auto; gap: 4px; padding: 10px; border-right: 0; border-bottom: 1px solid var(--linea); }
  .lateral .grupo { display: none; }
  .lateral a { white-space: nowrap; margin: 0; }
  .principal { padding: 20px 16px; }
}
@media (max-width: 760px) {
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; border-bottom: 1px solid var(--linea); margin: 0; }
  .nav.abierto { display: flex; }
  .nav a { padding: 14px 16px; border-top: 1px solid var(--linea); }
  .menu-btn { display: inline-flex; }
  .oculto-movil { display: none; }
  .grid-2, .grid-3, .grid-4, .fila, .fila-3 { grid-template-columns: 1fr; }
  .pie .contenedor > .grid { grid-template-columns: 1fr; }
  .heroe { padding: 48px 0 40px; }
  .seccion { padding: 52px 0; }
  .buscador { border-radius: 16px; flex-direction: column; }
  .buscador .btn { width: 100%; }
  .cta { padding: 28px; }
}