@layer layout {
  .container {
    width: min(100% - 2.5rem, var(--ca-ancho));
    margin-inline: auto;
  }

  .page-top {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.86);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 0.06rem solid var(--ca-line);
  }

  .page-top .top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-sm);
    min-height: 4.2rem;
    padding-block: 0.9rem;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--ca-display);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    color: var(--ca-fg);
  }

  .logo .logo-mark {
    width: 2.2rem;
    height: 2.2rem;
    flex-shrink: 0;
    color: var(--ca-teal-deep);
  }

  .burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.32rem;
    width: 3rem;
    height: 3rem;
    padding: 0.5rem;
    border-radius: var(--ca-r-sm);
  }

  .burger .burger-bar {
    display: block;
    width: 1.5rem;
    height: 0.12rem;
    background: var(--ca-fg);
    border-radius: var(--ca-r-pill);
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  html.menu-open .burger .burger-bar:nth-child(1) {
    transform: translateY(0.44rem) rotate(45deg);
  }

  html.menu-open .burger .burger-bar:nth-child(2) {
    opacity: 0;
  }

  html.menu-open .burger .burger-bar:nth-child(3) {
    transform: translateY(-0.44rem) rotate(-45deg);
  }

  .menu-principal {
    position: fixed;
    inset: 0;
    top: 4.4rem;
    z-index: 1000;
    background: var(--ca-night);
    color: var(--ca-white);
    padding: var(--gap-lg) 1.75rem;
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.3s ease;
  }

  html.menu-open .menu-principal {
    transform: translateX(0);
    visibility: visible;
  }

  .menu-principal .nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--gap-md);
    font-family: var(--ca-display);
    font-size: 1.5rem;
    letter-spacing: -0.02em;
  }

  .menu-principal .nav-list a {
    display: inline-block;
  }

  .menu-principal .nav-contact {
    margin-top: var(--gap-lg);
    padding-top: var(--gap-md);
    border-top: 0.06rem solid rgba(255, 255, 255, 0.16);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.72);
  }

  .menu-principal .nav-contact a {
    display: block;
    margin-top: 0.4rem;
    color: var(--ca-white);
  }

  @media (min-width: 60rem) {
    .burger {
      display: none;
    }

    /* el menú se superpone a la fila de la cabecera (misma altura, margen negativo):
       logo · enlaces · contacto en una sola línea; los clics fuera del menú
       atraviesan hasta la cabecera */
    .menu-principal {
      position: sticky;
      inset: 0 auto auto;
      transform: none;
      visibility: visible;
      z-index: 1000;
      background: transparent;
      color: var(--ca-fg);
      padding: 0;
      overflow: visible;
      height: 4.2rem;
      margin-top: calc(-4.2rem - 0.06rem);
      margin-bottom: 0.06rem;
      pointer-events: none;
    }

    .menu-principal .nav-list,
    .menu-principal .nav-contact {
      pointer-events: auto;
    }

    .menu-principal .nav-row {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: var(--gap-lg);
      width: min(100% - 2.5rem, var(--ca-ancho));
      height: 100%;
      margin-inline: auto;
      padding-block: 0;
    }
  }

  @media (min-width: 60rem) and (max-width: 79.99rem) {
    .menu-principal .nav-contact span {
      display: none;
    }
  }

  @media (min-width: 60rem) {

    .menu-principal .nav-list {
      flex-direction: row;
      align-items: center;
      gap: var(--gap-md);
      font-family: var(--ca-text);
      font-size: 0.95rem;
      font-weight: 600;
      letter-spacing: -0.005em;
    }

    .menu-principal .nav-contact {
      margin-top: 0;
      padding-top: 0;
      border-top: 0;
      display: flex;
      align-items: center;
      gap: var(--gap-md);
      font-size: 0.9rem;
      color: var(--ca-muted);
    }

    .menu-principal .nav-contact a {
      display: inline-block;
      margin-top: 0;
      color: var(--ca-fg);
      font-weight: 600;
    }
  }

  footer.pie-legal {
    background: var(--ca-night);
    color: var(--ca-white);
    border-top: 0.06rem solid rgba(255, 255, 255, 0.12);
  }

  .pie-legal .legal-inner {
    display: grid;
    gap: var(--gap-md);
    padding-block: var(--gap-lg);
  }

  .pie-legal .legal-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-md);
  }

  .pie-legal .legal-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--ca-display);
    font-size: 1.1rem;
    letter-spacing: -0.02em;
  }

  .pie-legal .legal-mark {
    width: 1.9rem;
    height: 1.9rem;
    color: var(--ca-teal);
  }

  .pie-legal address {
    font-style: normal;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.72);
  }

  .pie-legal address a {
    color: var(--ca-white);
  }

  .pie-legal address a:hover {
    color: var(--ca-teal);
  }

  .pie-legal small {
    display: block;
    font-family: var(--ca-mono);
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.56);
    line-height: 1.6;
  }

  @media (min-width: 60rem) {
    .pie-legal .legal-top {
      align-items: flex-start;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .burger .burger-bar,
    .menu-principal {
      transition: none;
    }
  }
}