@layer components {
  .mast {
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: var(--sl-line-w) solid var(--sl-line);
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .mast__row {
    min-height: var(--mast-h);
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
  }

  .mast__brand {
    font-family: var(--type-head);
    font-weight: 600;
    font-size: 1.32rem;
    letter-spacing: -0.01em;
    color: var(--sl-text);
  }

  .mast__mark {
    display: inline-flex;
    width: 26px;
    height: 26px;
    color: var(--sl-blue);
  }

  .mast__mark svg {
    display: block;
    width: 100%;
    height: 100%;
  }

  .mast__tel {
    display: none;
    font-weight: 500;
    color: var(--sl-text);
    white-space: nowrap;
    transition: color 0.18s ease;
  }

  .mast__tel:hover {
    color: var(--sl-blue);
  }

  @media (min-width: 640px) {
    .mast__tel {
      display: inline-flex;
    }
  }

  .hamburger {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    gap: 5px;
  }

  .hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--sl-text);
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .hamburger[aria-expanded='true'] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger[aria-expanded='true'] span:nth-child(2) {
    opacity: 0;
  }

  .hamburger[aria-expanded='true'] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  @media (min-width: 880px) {
    .hamburger {
      display: none;
    }
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 1000;
    visibility: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 1.5rem;
    opacity: 0;
    color: var(--sl-white);
    background: var(--sl-black);
    transition: opacity 0.22s ease;
  }

  .site-nav.drawer-out {
    visibility: visible;
    opacity: 1;
  }

  .site-nav__list {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
  }

  .site-nav__list a {
    display: inline-block;
    padding: 0.3rem 0;
    font-family: var(--type-head);
    font-weight: 600;
    font-size: clamp(1.6rem, 6vw, 2.2rem);
    letter-spacing: -0.02em;
    color: var(--sl-white);
  }

  .site-nav__list a[aria-current='page'] {
    color: var(--sl-blue-bright);
  }

  .site-nav__cta {
    display: inline-flex;
    align-self: flex-start;
    margin-top: 2rem;
    padding: 0.85rem 1.5rem;
    border: var(--sl-line-w) solid var(--sl-blue-bright);
    border-radius: var(--sl-radius-sm);
    font-weight: 600;
    color: var(--sl-blue-bright);
  }

  @media (min-width: 880px) {
    /* escritorio: el nav cabalga sobre la fila sticky del mast (misma altura, margen
       negativo) para que marca · menú · teléfono lean en una línea; los eventos de
       puntero atraviesan hacia el mast fuera del propio menú */
    .site-nav {
      position: sticky;
      inset: 0 auto auto;
      z-index: 1000;
      visibility: visible;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      gap: 2rem;
      height: var(--mast-h);
      margin-top: calc(-1 * var(--mast-h) - var(--sl-line-w));
      margin-bottom: var(--sl-line-w);
      padding: 0 1rem;
      opacity: 1;
      color: var(--sl-text);
      background: transparent;
      pointer-events: none;
      transition: none;
    }

    .site-nav__list,
    .site-nav__cta {
      pointer-events: auto;
    }

    .site-nav__list {
      flex-direction: row;
      gap: 1.75rem;
    }
  }

  @media (min-width: 880px) and (max-width: 1099px) {
    .mast__tel {
      display: none;
    }
  }

  @media (min-width: 880px) {

    .site-nav__list a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--sl-text);
      transition: color 0.16s ease;
    }

    .site-nav__list a:hover {
      color: var(--sl-blue);
    }

    .site-nav__list a[aria-current='page'] {
      padding-bottom: 0.35rem;
      color: var(--sl-blue);
      border-bottom: 2px solid var(--sl-blue);
    }

    .site-nav__cta {
      align-self: center;
      height: 40px;
      margin-top: 0;
      padding: 0 1.2rem;
      border-color: var(--sl-blue);
      color: var(--sl-white);
      background: var(--sl-blue);
      transition: background-color 0.18s ease;
    }

    .site-nav__cta:hover {
      background: var(--sl-blue-hover);
    }
  }
}