/* ======================================
   Rampaga footer.css — v1.0
   Назначение: футтер сайта в новой дизайн-системе
   ====================================== */

.site-footer {
  --footer-background-color: var(--surface-color, #f7f9fb);
  --footer-border-color: var(--border-subtle-color, rgba(0, 0, 0, 0.06));
  --footer-text-color: var(--text-color, #20262d);
  --footer-strong-color: var(--text-strong-color, #181c22);
  --footer-muted-color: var(--text-muted-color, #6b7280);
  --footer-soft-color: var(--text-soft-color, #475569);
  --footer-chip-background-color: color-mix(in srgb, var(--surface-subtle-color, #e8eef3) 82%, white);
  --footer-chip-hover-color: color-mix(in srgb, var(--surface-subtle-color, #e8eef3) 96%, #dbe5ec);
  --footer-panel-background-color: color-mix(in srgb, var(--surface-color, #f7f9fb) 92%, white);
  --footer-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);

  margin-top: clamp(2rem, 4vw, 4rem);
  padding-block: clamp(1rem, 2vw, 2rem);
  border-top: 1px solid var(--footer-border-color);
  background: var(--footer-background-color);
  color: var(--footer-text-color);

  & .site-footer__container {
    width: min(100% - 2rem, var(--layout-max-width, 1140px));
    margin-inline: auto;
    display: grid;
    gap: clamp(1.25rem, 2vw, 2rem);
  }

  & .site-footer__brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 0.25rem;

    & .logo {
      display: inline-flex;
      align-items: center;
      min-width: 0;
      color: var(--footer-strong-color);
      font-family: var(--font-family-brand, sans-serif);
      font-size: clamp(1.9rem, 1.7rem + 0.8vw, 2.35rem);
      font-weight: 600;
      line-height: 1;
      letter-spacing: -0.03em;
      text-transform: lowercase;
      order: 0;
    }

    & p {
      max-width: 42rem;
      color: var(--footer-soft-color);
      font-size: var(--font-size-small, 0.875rem);
      line-height: 1.55;
    }
  }

  & .site-footer__columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 1.8vw, 1.5rem);
  }

  & .footer-column {
    min-width: 0;

    & .footer-title {
      margin-bottom: 0.875rem;
      color: var(--footer-strong-color);
      font-size: 0.75rem;
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    & ul {
      display: grid;
    }

    & li {
      min-width: 0;
    }

    & a {
      display: inline-flex;
      align-items: center;
      min-height: 1.9rem;
      color: var(--footer-soft-color);
      font-size: var(--font-size-small, 0.875rem);
      line-height: 1.4;
      text-decoration: none;
      transition:
        color var(--transition-fast, 150ms ease),
        transform var(--transition-fast, 150ms ease);

      &:hover,
      &:focus-visible {
        color: var(--accent-hover-color, #0f6f8f);
        transform: translateX(0.125rem);
      }
    }
  }

  & .site-footer__tags {
  }

  & .footer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;

    & a {
      display: inline-flex;
      align-items: center;
      min-height: 2rem;
      padding: 0.375rem 0.75rem;
      border-radius: var(--radius-pill, 999px);
      background: var(--footer-chip-background-color);
      color: var(--footer-soft-color);
      font-size: 0.8125rem;
      line-height: 1;
      text-decoration: none;
      transition:
        background-color var(--transition-fast, 150ms ease),
        color var(--transition-fast, 150ms ease),
        transform var(--transition-fast, 150ms ease);

      &:hover,
      &:focus-visible {
        background: var(--footer-chip-hover-color);
        color: var(--footer-strong-color);
      }
    }
  }

  & .site-footer__bottom {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    color: var(--footer-muted-color);
    font-size: var(--font-size-caption, 0.875rem);
    line-height: 1.45;
  }

  & .footer-socials {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;

    & a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 2.25rem;
      height: 2.25rem;
      border-radius: var(--radius-round, 50%);
      background: var(--footer-chip-background-color);
      color: var(--footer-soft-color);
      transition:
        background-color var(--transition-fast, 150ms ease),
        color var(--transition-fast, 150ms ease),
        transform var(--transition-fast, 150ms ease);

      &:hover,
      &:focus-visible {
        background: color-mix(in srgb, var(--accent-soft-color, rgba(22, 119, 200, 0.12)) 78%, white);
        color: var(--accent-hover-color, #0f6f8f);
        transform: translateY(-1px);
      }

      & svg {
        width: 1rem;
        height: 1rem;
        fill: currentColor;
      }
    }
  }

  & .footer-copy {
    min-width: 0;
    color: var(--footer-muted-color);
  }

  & .footer-age {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    min-height: 2.5rem;
    padding-inline: 0.75rem;
    border: 1px solid var(--border-color, rgba(17, 24, 39, 0.08));
    border-radius: var(--radius-pill, 999px);
    background: color-mix(in srgb, var(--surface-muted-color, #eef3f7) 72%, white);
    color: var(--footer-strong-color);
    font-size: 0.8125rem;
    font-weight: 700;
    line-height: 1;
    user-select: none;
  }
}

@media (max-width: 900px) {
  .site-footer {
    & .site-footer__columns {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    & .site-footer__bottom {
      grid-template-columns: 1fr;
      justify-items: start;
    }
  }
}

@media (max-width: 640px) {
  .site-footer {
    padding-block: 1.25rem 1.5rem;

    & .site-footer__container {
      gap: 1rem;
    }

    & .site-footer__columns {
      grid-template-columns: 1fr;
    }

    & .footer-tags {
      gap: 0.4rem;

      & a {
        min-height: 1.9rem;
        padding-inline: 0.65rem;
      }
    }

    & .site-footer__bottom {
      gap: 0.75rem;
    }

    & .footer-socials {
      order: 1;
    }

    & .footer-copy {
      order: 2;
    }

    & .footer-age {
      order: 3;
    }
  }
}