/* 작업 목록 반응형 — 태블릿(900px 이하) & 모바일(640px 이하) */

@media (max-width: 900px) {
  .portfolio-heading {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    min-height: 0;
    padding: 1.25rem 0 1.75rem;
    gap: 1rem 0.75rem;
  }

  .portfolio-heading h1 {
    grid-column: 1;
    grid-row: 1;
  }

  .portfolio-heading-meta {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    align-self: end;
    width: auto;
  }

  .portfolio-heading-meta p {
    max-width: none;
  }

  .catalog-view-toggle {
    display: inline-flex;
    margin-bottom: 0;
    width: 36px;
    height: 36px;
  }

  .catalog-view-toggle__icon {
    width: 1rem;
    height: 1rem;
  }

  .portfolio-catalog {
    grid-template-columns: 1fr;
  }

  .portfolio-catalog.is-dual-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .portfolio-heading {
    padding: 0.85rem 0 1.25rem;
    gap: 0.75rem 0.5rem;
  }

  .catalog-view-toggle {
    width: 32px;
    height: 32px;
  }

  .catalog-view-toggle__icon {
    width: 0.9rem;
    height: 0.9rem;
  }

  .portfolio-heading h1 {
    font-size: clamp(2.9rem, 13vw, 4rem);
    line-height: 0.9;
    overflow-wrap: anywhere;
  }

  .portfolio-heading h1 span {
    white-space: normal;
  }

  .portfolio-heading-meta p {
    max-width: 22rem;
  }

  .portfolio-catalog {
    gap: 2.4rem;
  }

  .portfolio-catalog.is-dual-column {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.4rem 0.85rem;
  }

  .portfolio-catalog.is-dual-column .portfolio-card h2 {
    font-size: clamp(0.68rem, 3.1vw, 0.78rem);
    line-height: 1.35;
    letter-spacing: 0.04em;
  }

  .portfolio-catalog.is-dual-column .portfolio-card p {
    margin-top: 0.25rem;
    font-size: clamp(0.62rem, 2.8vw, 0.72rem);
    white-space: normal;
  }

  .portfolio-catalog.is-dual-column .portfolio-card figure span {
    top: 0.65rem;
    left: 0.65rem;
    width: 32px;
    height: 32px;
    font-size: 0.58rem;
  }

  .portfolio-card > div {
    display: block;
    padding-top: 0.7rem;
    margin-top: 0.55rem;
  }

  .portfolio-card h2 {
    font-size: clamp(0.95rem, 4.2vw, 1.15rem);
    line-height: 1.3;
    letter-spacing: 0.02em;
  }

  .portfolio-card p {
    margin-top: 0.35rem;
    font-size: clamp(0.78rem, 3.4vw, 0.88rem);
    white-space: normal;
  }

  .portfolio-card figure span {
    top: 0.85rem;
    left: 0.85rem;
    width: 36px;
    height: 36px;
    font-size: 0.62rem;
  }

  .catalog-cta {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .catalog-cta a {
    min-height: 64px;
    justify-self: start;
  }
}

@media (max-width: 640px) {
  .site-footer {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 1.5rem;
  }

  .site-footer p {
    display: none;
  }

  .footer-social {
    gap: 0.75rem;
  }
}

@media (hover: none) {
  .portfolio-card:hover img {
    filter: none;
    transform: none;
  }
}