* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --azul: #0b5d7a;
  --azul-hover: #074962;
  --crema: #f7f4ed;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  overflow-x: hidden;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: #fff;
  background: #fff;
}

.contenido-portada {
  position: relative;
  background-image:
    linear-gradient(rgba(4, 24, 40, .46), rgba(4, 24, 40, .46)),
    url("../Imagenes/portada-logopark.jpg");
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.barra-portada {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 28px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.marca-portada img {
  display: block;
  width: 110px;
  height: 64px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.acciones-portada {
  display: flex;
  gap: 12px;
}

.boton-portada {
  min-height: 46px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--azul);
  border-radius: 4px;
  background: var(--azul);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.boton-portada:hover,
.boton-portada:focus-visible {
  border-color: var(--azul-hover);
  background: var(--azul-hover);
  transform: translateY(-1px);
}

.boton-secundario {
  border-color: rgba(255, 255, 255, .75);
  background: rgba(8, 35, 63, .52);
}

.contenido-portada {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 24px 40px;
  text-align: center;
  text-shadow: 0 3px 18px rgba(0, 0, 0, .62);
}

.contenido-portada h1 {
  font-size: clamp(48px, 7vw, 104px);
  line-height: 1;
  letter-spacing: .14em;
}

.contenido-portada p {
  margin-top: 18px;
  font-size: clamp(19px, 2vw, 30px);
}

.indicador-scroll {
  position: absolute;
  bottom: 22px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff;
  font-size: 14px;
  text-decoration: none;
  transform: translateX(-50%);
}

.indicador-scroll span {
  font-size: 22px;
}

.funciones {
  padding: clamp(70px, 9vw, 150px) 4vw;
  background: #fff;
}

.funciones img {
  display: block;
  width: min(100%, 1500px);
  height: auto;
  margin: 0 auto clamp(80px, 12vw, 180px);
}

.funciones img:last-child {
  margin-bottom: 0;
}

@media (max-width: 700px) {
  body {
    background-position: 42% center;
  }

  .barra-portada {
    padding: 18px;
  }

  .marca-portada img {
    width: 78px;
    height: 48px;
  }

  .acciones-portada {
    justify-content: flex-end;
    gap: 8px;
  }

  .boton-portada {
    min-height: 42px;
    padding: 0 13px;
    font-size: 13px;
  }

  .contenido-portada {
    padding-top: 92px;
  }

  .contenido-portada h1 {
    font-size: clamp(40px, 13vw, 60px);
  }

  .contenido-portada p {
    margin-top: 14px;
    font-size: 18px;
  }
}