@layer base {
  body {
    background-color: var(--carbon);
    color: var(--niebla);
    font-family: var(--font-text);
    font-size: 1rem
  }

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

  .skip-to-content {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 1200;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-sm);
    background-color: var(--niebla);
    color: var(--carbon);
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s var(--ease-charge)
  }

  .skip-to-content:focus {
    top: 1rem
  }

  :focus-visible {
    outline: 2px solid var(--lava);
    outline-offset: 3px
  }
}

@layer layout {
  .topbar {
    position: sticky;
    inset-block-start: 0;
    z-index: var(--z-header);
    display: flex;
    align-items: center;
    height: var(--header-h);
    border-bottom: 1px solid hsl(218 9% 25% / 0.6);
    background-color: hsl(216 10% 10% / 0.86);
    backdrop-filter: blur(10px)
  }

  .topbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap-sm)
  }

  .site-name {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-decoration: none
  }

  .site-name img {
    width: 2.1rem;
    height: 2.1rem
  }

  .site-name em {
    color: var(--lava);
    font-style: normal
  }

  .primary-nav {
    display: none
  }

  .primary-nav ul {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 0.6rem + 1vw, 2rem);
    list-style: none
  }

  .primary-nav a {
    padding-block: 0.4rem;
    font-size: 0.94rem;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s var(--ease-charge), color 0.2s var(--ease-charge)
  }

  .primary-nav a:hover,
  .primary-nav a[aria-current="page"] {
    border-color: var(--lava);
    color: var(--niebla)
  }

  .topbar__actions {
    display: flex;
    align-items: center;
    gap: 1rem
  }

  .hamburger {
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--ceniza);
    border-radius: var(--radius-sm);
    background-color: var(--grafito)
  }

  .hamburger__bars,
  .hamburger__bars::before,
  .hamburger__bars::after {
    width: 1.15rem;
    height: 2px;
    background-color: var(--niebla);
    transition: transform 0.2s var(--ease-charge), opacity 0.2s var(--ease-charge)
  }

  .hamburger__bars {
    position: relative
  }

  .hamburger__bars::before,
  .hamburger__bars::after {
    content: "";
    position: absolute;
    left: 0
  }

  .hamburger__bars::before {
    top: -6px
  }

  .hamburger__bars::after {
    top: 6px
  }

  .hamburger[aria-expanded="true"] .hamburger__bars {
    background-color: transparent
  }

  .hamburger[aria-expanded="true"] .hamburger__bars::before {
    top: 0;
    transform: rotate(45deg)
  }

  .hamburger[aria-expanded="true"] .hamburger__bars::after {
    top: 0;
    transform: rotate(-45deg)
  }

  @media (min-width: 61.25rem) {
    .primary-nav {
      display: block
    }

    .hamburger {
      display: none
    }
  }

  .menu-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--z-menu);
    display: none;
    flex-direction: column;
    gap: var(--gap-md);
    padding: 6.5rem 1.75rem 2.5rem;
    background-color: var(--carbon);
    overflow-y: auto
  }

  .menu-overlay.is-open {
    display: flex
  }

  .menu-overlay ul {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    list-style: none
  }

  .menu-overlay a {
    display: block;
    padding: 1rem 0.25rem;
    border-bottom: 1px solid var(--ceniza);
    font-family: var(--font-display);
    font-size: 1.35rem;
    text-decoration: none
  }

  .menu-overlay__contact {
    margin-block-start: auto;
    color: var(--humo);
    font-size: 0.95rem
  }

  .menu-overlay__contact a {
    display: inline;
    padding: 0;
    border: 0;
    color: var(--lava);
    font-family: inherit;
    font-size: inherit
  }

  @media (min-width: 61.25rem) {
    .menu-overlay {
      display: none !important
    }
  }

  .site-footer {
    border-top: 1px solid var(--ceniza);
    background-color: var(--carbon-raise);
    padding-block: var(--gap-lg) var(--gap-md)
  }

  .site-footer .container {
    display: grid;
    gap: var(--gap-md)
  }

  @media (min-width: 48rem) {
    .site-footer .container {
      grid-template-columns: 1.3fr 1fr 1fr;
      gap: var(--gap-lg)
    }
  }

  .footer-brand p {
    margin-block-start: 0.75rem;
    max-width: 26rem;
    color: var(--humo);
    font-size: 0.92rem
  }

  .footer-col h2 {
    margin-block-end: 0.9rem;
    color: var(--humo);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase
  }

  .footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    list-style: none
  }

  .footer-col a {
    font-size: 0.92rem;
    text-decoration: none
  }

  .footer-col a:hover {
    color: var(--lava)
  }

  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    margin-block-start: var(--gap-lg);
    padding-block-start: var(--gap-md);
    border-top: 1px solid var(--ceniza);
    color: var(--humo);
    font-size: 0.82rem
  }

  .notice-cookies {
    position: fixed;
    inset-inline: 0.9rem;
    bottom: 0.9rem;
    z-index: var(--z-cookie);
    display: none;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    max-width: 42rem;
    margin-inline: auto;
    padding: 1.1rem 1.25rem;
    border: 1px solid var(--ceniza);
    border-radius: var(--radius-md);
    background-color: var(--grafito);
    box-shadow: 0 1.2rem 2.5rem hsl(0 0% 0% / 0.35)
  }

  .notice-cookies.is-visible {
    display: flex
  }

  .notice-cookies p {
    flex: 1 1 16rem;
    font-size: 0.86rem;
    color: var(--humo)
  }

  .notice-cookies__actions {
    display: flex;
    gap: 0.6rem
  }
}