/* =============================================
   CONTENEDOR
============================================= */

.container {
  max-width: 72rem;
  margin-inline: auto;
  padding: 0 var(--container-x);
}

/* =============================================
   HEADER
============================================= */

header {
  position: sticky;
  top: 0;
  z-index: 1001;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-light);
  transition: box-shadow var(--t);
}

header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.25rem;
}

/* =============================================
   SECCIONES
============================================= */

section {
  padding: var(--section-y) 0;
}

.hero {
  padding: 1.5rem 0;
}

/* =============================================
   GRIDS
============================================= */

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3.5rem;
}

.what-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 5rem;
  align-items: start;
}

.human-editorial-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.principles-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  max-width: 60rem;
}

.divider-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* =============================================
   RESPONSIVE — TABLET (≤ 960px)
============================================= */

@media (max-width: 960px) {
  section {
    padding: 4rem 0;
  }

  .hero {
    padding: 2.5rem 0;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .what-inner,
  .human-editorial-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .principles-list {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   RESPONSIVE — MÓVIL (≤ 640px)
============================================= */

@media (max-width: 640px) {
  .container {
    padding: 0 1.25rem;
  }

  section {
    padding: 3rem 0;
  }

  .hero {
    padding: 2rem 0;
  }

  .header-inner {
    height: 3.75rem;
  }

  .hero-inner {
    gap: 2rem;
  }

  .topbar-inner {
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
  }
}