/* ===========================================
   Footer Layout
   ===========================================
   BEM: .footer, .footer__nav, .footer__copyright, etc.
   =========================================== */

@layer layout {
  .footer {
    background-color: var(--color-background);
    color: var(--color-text);
    border-top: 1px solid var(--color-border);

    .footer__container {
      max-width: var(--page-width);
      margin: 0 auto;
      padding: var(--space-16) var(--space-6) var(--space-8);
    }

    .footer__grid {
      display: grid;
      grid-template-columns: 2fr repeat(5, 1fr);
      gap: var(--space-8);
    }

    .footer__tagline {
      margin-top: var(--space-2);
      max-width: 22rem;
      color: var(--color-text-muted);
    }

    .footer__nav-title {
      margin-bottom: var(--space-3);
      font-size: var(--text-base);
      font-weight: var(--font-semibold);
      letter-spacing: 0;
    }

    .footer__nav-list {
      display: flex;
      flex-direction: column;
      gap: var(--space-1);
      margin: 0;
      padding: 0;
      list-style: none;

      li {
        margin: 0;
      }
    }

    .footer__nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 2rem;
      color: var(--color-text-muted);
      text-decoration: none;

      &:hover,
      &[aria-current="page"] {
        color: var(--color-text);
        text-decoration: underline;
        text-underline-offset: 0.2em;
      }
    }

    .footer__bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: var(--space-4);
      margin-top: var(--space-12);
      padding-top: var(--space-6);
      border-top: 1px solid var(--color-border);
    }

    .footer__copyright {
      margin: 0;
      font-size: var(--text-sm);
      color: var(--color-text-muted);
    }

    .footer__social {
      display: flex;
      gap: var(--space-2);
    }

    .footer__social-link {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 2.75rem;
      height: 2.75rem;
      color: var(--color-text-muted);
      border-radius: var(--radius-md);

      &:hover {
        color: var(--color-text);
        background: var(--color-gray-100);
      }
    }

    @media (max-width: 1100px) {
      .footer__grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .footer__brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      .footer__grid {
        grid-template-columns: 1fr 1fr;
      }
    }
  }
}