:root {
  --carbon: #12161f;      /* casi negro, autoridad y seguridad */
  --carbon-medio: #1c2230;
  --ambar: #f2a71b;       /* ámbar de urgencia, visible de noche como una luz de emergencia */
  --ambar-oscuro: #cf8b0f;
  --ambar-texto: #8a5c0c; /* mismo tono, oscurecido para cumplir contraste 4.5:1 sobre blanco */
  --gris-claro: #f4f5f7;
  --blanco: #ffffff;
  --gris-texto: #4b5563;
  --verde-ok: #2f7d4f;
  --rojo-no: #b3432c;
  --radio: 10px;
  --sombra: 0 10px 30px rgba(18, 22, 31, 0.16);
  --max: 1180px;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--carbon); line-height: 1.55; }
h1, h2, h3, h4 { font-family: Georgia, serif; line-height: 1.2; margin: 0 0 12px; color: var(--carbon); }
p { margin: 0 0 14px; color: var(--gris-texto); }
a { text-decoration: none; color: inherit; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; display: block; }
.centro { text-align: center; }
section { padding: 64px 0; }
.section-alt { background: var(--gris-claro); }
.eyebrow { color: var(--ambar-texto); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; font-size: 13px; }
.intro { max-width: 640px; margin: 0 auto 34px; color: var(--gris-texto); }

/* Header */
header.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--carbon);
  border-bottom: 1px solid #262d3d;
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; max-width: var(--max); margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; font-family: Georgia, serif; font-size: 22px; font-weight: 700; color: var(--blanco); }
.logo b { color: var(--ambar); }
nav.principal ul { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; }
nav.principal a { color: #dfe3ea; font-weight: 600; font-size: 15px; }
nav.principal a:hover { color: var(--ambar); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.tel-header { font-weight: 700; color: var(--blanco); font-size: 15px; }
.tel-header a { color: var(--ambar); }
.nav-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--blanco); cursor: pointer; }

@media (max-width: 860px) {
  nav.principal { position: fixed; top: 64px; left: 0; right: 0; background: var(--carbon); flex-direction: column; padding: 10px 0; display: none; }
  nav.principal.abierto { display: block; }
  nav.principal ul { flex-direction: column; gap: 0; }
  nav.principal ul li { border-top: 1px solid #262d3d; }
  nav.principal a { display: block; padding: 14px 24px; }
  .nav-toggle { display: block; }
  .nav-cta .btn-primario { display: none; }
}

/* Botones */
.btn { display: inline-block; padding: 13px 24px; border-radius: var(--radio); font-weight: 700; font-size: 15px; transition: all .15s ease; }
.btn-primario { background: var(--ambar); color: var(--carbon); }
.btn-primario:hover { background: var(--ambar-oscuro); }
.btn-secundario { border: 2px solid var(--blanco); color: var(--blanco); background: transparent; }
.btn-secundario:hover { background: var(--blanco); color: var(--carbon); }
.btn-oscuro { background: var(--carbon); color: var(--blanco); }
.btn-oscuro:hover { background: var(--carbon-medio); }
.btn-bloque { display: block; width: 100%; text-align: center; border: none; cursor: pointer; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--carbon) 0%, var(--carbon-medio) 100%); color: var(--blanco); padding: 70px 0; }
.hero .container { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
.hero h1 { color: var(--blanco); font-size: 40px; }
.hero .lead { color: #c6cbd6; font-size: 18px; }
.hero-cta { display: flex; gap: 14px; margin: 26px 0 30px; flex-wrap: wrap; }
.hero-badges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hero-badge { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radio); padding: 14px; text-align: center; }
.hero-badge b { display: block; font-size: 22px; color: var(--ambar); }
.hero-badge span { font-size: 12.5px; color: #c6cbd6; }
.hero-visual img { border-radius: var(--radio); box-shadow: var(--sombra); }
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
}

/* Tarjetas */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card { background: var(--blanco); border: 1px solid #e6e8ec; border-radius: var(--radio); padding: 26px; }
.card .icono { font-size: 28px; margin-bottom: 10px; }
.card h3 { font-size: 18px; }

/* Tabla comparativa */
table.comparativa { width: 100%; border-collapse: collapse; background: var(--blanco); border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); }
table.comparativa th, table.comparativa td { padding: 14px 16px; text-align: left; border-bottom: 1px solid #e6e8ec; font-size: 14.5px; }
table.comparativa th { background: var(--carbon); color: var(--blanco); font-family: Georgia, serif; }
table.comparativa th.col-nosotros { background: var(--ambar); color: var(--carbon); }
table.comparativa td.col-nosotros { background: #fff8ec; font-weight: 600; }
table.comparativa .si { color: var(--verde-ok); font-weight: 700; }
table.comparativa .no { color: var(--rojo-no); font-weight: 700; }

/* Pasos */
.pasos { display: flex; flex-direction: column; gap: 20px; }
.paso { display: flex; gap: 18px; align-items: flex-start; }
.paso .num { background: var(--ambar); color: var(--carbon); width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; flex-shrink: 0; }
.paso .num::before { counter-increment: paso; content: counter(paso); }
.pasos { counter-reset: paso; }

/* Zonas */
.zonas { display: flex; flex-wrap: wrap; gap: 10px; }
.zona-chip { background: var(--blanco); border: 1px solid #e6e8ec; border-radius: 30px; padding: 8px 16px; font-size: 14px; font-weight: 600; }

/* Galería */
.galeria-item { margin: 0; background: var(--blanco); border: 1px solid #e6e8ec; border-radius: var(--radio); overflow: hidden; }
.galeria-item img, .placeholder-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.placeholder-img { background: repeating-linear-gradient(45deg, #e9ebee, #e9ebee 12px, #f4f5f7 12px, #f4f5f7 24px); display: flex; align-items: center; justify-content: center; text-align: center; color: #8a8f99; font-size: 13px; padding: 10px; }
.galeria-item figcaption { padding: 12px 14px; font-weight: 700; font-size: 14.5px; color: var(--carbon); }

/* Opiniones */
.opinion { background: var(--blanco); border: 1px solid #e6e8ec; border-radius: var(--radio); padding: 24px; }
.opinion .estrellas { color: var(--ambar-oscuro); letter-spacing: 2px; margin-bottom: 10px; }
.opinion .autor { margin-top: 14px; font-weight: 700; font-size: 14px; }
.opinion .autor span { display: block; font-weight: 400; color: var(--gris-texto); font-size: 13px; }

/* FAQ */
details.faq { background: var(--blanco); border: 1px solid #e6e8ec; border-radius: var(--radio); padding: 16px 20px; margin-bottom: 12px; }
details.faq summary { cursor: pointer; font-weight: 700; font-size: 15.5px; }
details.faq p { margin-top: 10px; }

/* CTA final */
.cta-final { background: var(--ambar); color: var(--carbon); text-align: center; padding: 60px 0; }
.cta-final h2 { color: var(--carbon); }
.cta-final .btn-secundario { border-color: var(--carbon); color: var(--carbon); }
.cta-final .btn-secundario:hover { background: var(--carbon); color: var(--blanco); }

/* Formulario contacto */
form.contacto { background: var(--blanco); border: 1px solid #e6e8ec; border-radius: var(--radio); padding: 28px; display: flex; flex-direction: column; gap: 16px; }
form.contacto label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
form.contacto input, form.contacto select, form.contacto textarea {
  width: 100%; padding: 11px 12px; border: 1px solid #cfd3da; border-radius: 6px; font-size: 15px; font-family: inherit;
}
form.contacto textarea { min-height: 100px; resize: vertical; }
.grid-form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .grid-form-2 { grid-template-columns: 1fr; } }

/* Breadcrumb / página hero secundaria */
.pagina-hero { background: var(--carbon); color: var(--blanco); padding: 40px 0; }
.pagina-hero h1 { color: var(--blanco); font-size: 30px; }
.pagina-hero p { color: #c6cbd6; max-width: 640px; }
.breadcrumb { font-size: 13px; margin-bottom: 12px; }

/* Aviso interno (no publicar) */
.aviso-placeholder { background: #fff3e0; border: 1px solid var(--ambar); color: #7a5a12; padding: 14px 18px; border-radius: var(--radio); margin-bottom: 24px; font-size: 14px; }

/* Footer */
footer.site-footer { background: var(--carbon); color: var(--blanco); padding: 50px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 30px; }
footer.site-footer h4 { color: var(--blanco); font-size: 15px; }
footer.site-footer p, footer.site-footer a { color: #c6cbd6; font-size: 14.5px; }
footer.site-footer a:hover { color: var(--ambar); }
.social-links { display: flex; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.footer-bottom { border-top: 1px solid #262d3d; padding-top: 18px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #8a8f99; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }