/* ─── Container ─────────────────────────────────────────────── */
.u-container {
  width: min(100% - (var(--container-padding) * 2), var(--container-max));
  margin-inline: auto;
}

/* ─── Section base ──────────────────────────────────────────── */
.section {
  padding-block: var(--section-space);
}

.section--muted {
  background: linear-gradient(180deg, rgba(221, 232, 242, 0.7), rgba(244, 248, 252, 0.95));
}

.section--bordered {
  border-top: 1px solid rgba(145, 168, 191, 0.32);
  border-bottom: 1px solid rgba(145, 168, 191, 0.32);
}

.section--dark {
  background: var(--gradient-dark);
  color: var(--color-text-inverse);
}

/* ─── Section header ────────────────────────────────────────── */
.section-header {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

/* ─── Site header ───────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(9, 19, 29, 0.92);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 4rem;
  padding-block: var(--space-2);
}

/* Brand ocupa el espacio restante */
.brand {
  flex: 1 1 auto;
  min-width: 0;
}

/* Nav: oculto en móvil, desplegable como panel absoluto */
.site-header__nav {
  padding-block: var(--space-2);
}

.site-header__cta {
  display: none !important;
}

/* Lista nav en columna (móvil) */
.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-nav__link {
  display: block;
  padding-block: var(--space-3);
  padding-inline: var(--space-2);
  border-radius: var(--radius-sm);
}

/* ─── Layouts de dos columnas ───────────────────────────────── */
.hero__layout,
.about,
.contact,
.online__layout {
  display: grid;
  gap: var(--space-6);
}

.hero__visual,
.about__media-column,
.online__media-column {
  display: grid;
  gap: var(--space-4);
}

.hero__layout {
  gap: var(--space-5);
}

.hero__visual {
  align-content: start;
  gap: var(--space-3);
}

/* ─── Card grids ────────────────────────────────────────────── */
.card-grid {
  display: grid;
  gap: var(--space-4);
}

/* ─── Process list ──────────────────────────────────────────── */
.process-list {
  display: grid;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ─── Online feature grid ───────────────────────────────────── */
.online__feature-grid {
  display: grid;
  gap: var(--space-4);
}

/* ─── Footer ────────────────────────────────────────────────── */
.site-footer__inner,
.site-footer__bottom-inner {
  display: grid;
  gap: var(--space-6);
}

/* ─── JS: menú hamburguesa oculta el nav ────────────────────── */
.js .site-header__nav {
  display: none;
}

/* Cuando está abierto: nav como panel desplegable absoluto */
.js .site-header.is-open .site-header__nav {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: calc(var(--z-header) - 1);
  max-height: calc(100dvh - var(--header-height));
  overflow-y: auto;
  background: rgba(9, 19, 29, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-2) var(--container-padding) var(--space-5);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

/* ─── Tablet ≥ 768px ────────────────────────────────────────── */
@media (min-width: 48rem) {
  .section-header {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .card-grid--services,
  .card-grid--trust {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .online__feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__inner {
    grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 0.8fr));
    align-items: start;
  }

  .site-footer__bottom-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
  }
}

/* ─── Desktop ≥ 1024px ──────────────────────────────────────── */
@media (min-width: 64rem) {
  .site-header__inner {
    min-height: var(--header-height);
    padding-block: var(--space-3);
  }

  .site-header__nav {
    display: block !important;
    flex: 1 1 auto;
    padding-block: 0;
    order: 0;
  }

  .site-header__cta {
    display: inline-flex !important;
    flex-shrink: 0;
  }

  .site-nav__list {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
  }

  .hero__layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(19rem, 0.92fr);
    align-items: center;
  }

  .hero__visual {
    align-content: center;
  }

  .about {
    grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.95fr);
    align-items: start;
  }

  .contact {
    grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
    align-items: center;
  }

  .online__layout {
    grid-template-columns: minmax(0, 1.02fr) minmax(22rem, 0.98fr);
    align-items: start;
  }

  .card-grid--services {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .card-grid--trust {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .process-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  /* En desktop el nav es parte del flujo, no absoluto */
  .js .site-header.is-open .site-header__nav,
  .site-header__nav {
    position: static;
    background: transparent;
    backdrop-filter: none;
    border-bottom: none;
    padding: 0;
    box-shadow: none;
  }
}