.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(0, 35, 64, 0.72);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition:
    background-color 0.4s ease,
    backdrop-filter 0.4s ease,
    border-color 0.4s ease,
    box-shadow 0.4s ease;
}

.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gutter);
  padding: 16px var(--gutter);
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
}

.site-header__logo img {
  height: 22px;
  width: auto;
}

.site-header__cta {
  padding: 12px 24px;
  font-size: 11px;
  background-color: #007aff;
  transition: transform 0.3s ease;
}

/* Estado con scroll: se tiñe del azul de marca + glassmorphism activo */
.site-header.is-scrolled {
  /* background-color: rgb(0 0 0 / 0%); */
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  /* border-bottom-color: rgba(169, 184, 207, 0.15); */
  box-shadow: 0 8px 24px rgb(0 18 31 / 0%);
}

@media (min-width: 768px) {
  .site-header__inner {
    padding: 20px var(--gutter);
  }

  .site-header__logo img {
    height: 34px;
  }

  .site-header__cta {
    padding: 16px 32px;
    font-size: 14px;
  }
}