:root {
  --azul-oscuro: #061b31;
  --azul: #0b355d;
  --azul-medio: #175783;
  --azul-claro: #6b9ec2;
  --plata: #d7e0e7;
  --fondo: #f4f7fa;
  --blanco: #ffffff;
  --texto: #1d3043;
  --texto-suave: #607286;
  --borde: #d8e2ea;
  --sombra: 0 24px 60px rgba(6, 27, 49, 0.14);
  --radio: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--texto);
  background: var(--fondo);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.contenedor {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.encabezado {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid rgba(6, 27, 49, 0.1);
}

.barra-navegacion {
  min-height: 108px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.marca {
  width: 128px;
  flex: 0 0 auto;
}

.marca img {
  width: 128px;
  height: 92px;
  object-fit: contain;
}

.menu-principal {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--azul-oscuro);
  font-weight: 700;
}

.menu-principal a {
  padding: 10px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.menu-principal a:hover,
.menu-principal a:focus-visible {
  color: var(--azul-medio);
  border-color: var(--azul-medio);
}

.boton-menu {
  display: none;
  width: 46px;
  height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--borde);
  border-radius: 12px;
  background: var(--blanco);
  cursor: pointer;
}

.boton-menu span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--azul-oscuro);
}

.portada {
  position: relative;
  overflow: hidden;
  color: var(--blanco);
  background: linear-gradient(135deg, #05172a 0%, #092c4e 55%, #175783 100%);
}

.portada::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 46px 46px;
}

.portada-decoracion {
  position: absolute;
  width: 500px;
  height: 500px;
  top: -240px;
  right: -180px;
  border-radius: 50%;
  background: rgba(107, 158, 194, 0.18);
}

.portada-contenido {
  position: relative;
  z-index: 1;
  min-height: 670px;
  padding: 76px 0;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 72px;
}

.etiqueta {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.etiqueta-azul {
  color: var(--azul-medio);
}

.portada h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(3rem, 5.6vw, 5.3rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.descripcion-principal {
  max-width: 650px;
  margin: 26px 0 32px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.18rem;
}

.acciones {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.boton {
  min-height: 52px;
  padding: 13px 23px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.boton:hover,
.boton:focus-visible {
  transform: translateY(-2px);
}

.boton-claro {
  color: var(--azul-oscuro);
  background: var(--blanco);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
}

.boton-transparente {
  color: var(--blanco);
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.datos-portada {
  max-width: 580px;
  margin-top: 36px;
  padding-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.datos-portada div {
  display: flex;
  flex-direction: column;
}

.datos-portada span {
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.datos-portada a,
.datos-portada strong {
  margin-top: 4px;
  color: var(--blanco);
  font-size: 1.05rem;
}

.logotipo-portada {
  justify-self: end;
  width: min(100%, 505px);
}

.marco-logotipo {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.26);
}

.marco-logotipo img {
  width: 100%;
  aspect-ratio: 1170 / 1145;
  object-fit: contain;
  border-radius: 24px;
}

.seccion {
  padding: 98px 0 108px;
}

.encabezado-seccion {
  max-width: 720px;
  margin-bottom: 44px;
}

.encabezado-seccion h2,
.contacto h2 {
  margin: 0;
  color: var(--azul-oscuro);
  font-size: clamp(2.35rem, 4.2vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.cuadricula-servicios {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.tarjeta-servicio {
  position: relative;
  min-height: 250px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid rgba(6, 27, 49, 0.08);
  border-radius: var(--radio);
  background: var(--blanco);
  box-shadow: 0 14px 38px rgba(6, 27, 49, 0.055);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.tarjeta-servicio:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra);
}

.numero {
  position: absolute;
  top: 20px;
  right: 26px;
  color: rgba(6, 27, 49, 0.12);
  font-size: 2.2rem;
  font-weight: 900;
}

.icono {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  color: var(--blanco);
  border-radius: 17px;
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-medio));
  box-shadow: 0 11px 24px rgba(6, 27, 49, 0.18);
  font-size: 1.28rem;
  font-weight: 900;
}

.tarjeta-servicio h3 {
  max-width: 470px;
  margin: 28px 0 0;
  color: var(--azul-oscuro);
  font-size: 1.45rem;
  line-height: 1.22;
}

.tarjeta-amplia {
  grid-column: 1 / -1;
  min-height: 190px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 26px;
  background: linear-gradient(135deg, #ffffff, #edf4f8);
}

.tarjeta-amplia h3 {
  margin: 0;
}

.seccion-contacto {
  padding: 0 0 108px;
}

.contacto {
  padding: 58px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 50px;
  color: var(--blanco);
  border-radius: 34px;
  background: linear-gradient(135deg, #15527e, #082b4c);
  box-shadow: var(--sombra);
}

.contacto h2 {
  color: var(--blanco);
}

.contacto p:last-child {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.75);
}

.contacto-acciones {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 22px;
}

.telefono span,
.telefono strong {
  display: block;
}

.telefono span {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.82rem;
}

.telefono strong {
  color: var(--blanco);
  font-size: 1.8rem;
}

.pie-pagina {
  padding: 34px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #03111f;
}

.pie-contenido {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.pie-contenido p {
  margin: 0;
}

.pie-contenido strong,
.pie-contenido a {
  color: var(--blanco);
}

.boton-flotante {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 110;
  min-height: 54px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--blanco);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-medio));
  box-shadow: 0 16px 34px rgba(3, 17, 31, 0.34);
}

@media (max-width: 900px) {
  .boton-menu {
    display: block;
  }

  .menu-principal {
    position: absolute;
    top: 96px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 18px;
    border: 1px solid var(--borde);
    border-radius: 18px;
    background: var(--blanco);
    box-shadow: var(--sombra);
  }

  .menu-principal.abierto {
    display: flex;
  }

  .menu-principal a {
    padding: 13px 5px;
  }

  .portada-contenido,
  .contacto {
    grid-template-columns: 1fr;
  }

  .portada-contenido {
    gap: 50px;
  }

  .logotipo-portada {
    justify-self: start;
  }

  .contacto-acciones {
    justify-content: flex-start;
  }
}

@media (max-width: 650px) {
  .contenedor {
    width: min(100% - 28px, 1160px);
  }

  .barra-navegacion {
    min-height: 88px;
  }

  .marca,
  .marca img {
    width: 98px;
  }

  .marca img {
    height: 72px;
  }

  .menu-principal {
    top: 82px;
    left: 14px;
    right: 14px;
  }

  .portada-contenido {
    min-height: auto;
    padding: 60px 0 68px;
  }

  .portada h1 {
    font-size: clamp(2.55rem, 12.5vw, 4.2rem);
  }

  .descripcion-principal {
    font-size: 1.05rem;
  }

  .acciones .boton {
    width: 100%;
  }

  .datos-portada {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .marco-logotipo {
    padding: 10px;
    border-radius: 26px;
  }

  .marco-logotipo img {
    border-radius: 19px;
  }

  .seccion {
    padding: 78px 0 86px;
  }

  .cuadricula-servicios {
    grid-template-columns: 1fr;
  }

  .tarjeta-servicio {
    min-height: 220px;
    padding: 28px;
  }

  .tarjeta-amplia {
    grid-column: auto;
    display: block;
  }

  .tarjeta-amplia h3 {
    margin-top: 26px;
  }

  .contacto {
    padding: 38px 27px;
  }

  .telefono strong {
    font-size: 1.5rem;
  }

  .pie-contenido {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .boton-flotante {
    width: 54px;
    padding: 0;
    justify-content: center;
  }

  .boton-flotante strong {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}