/* ═══════════════════════════════════════════
   포트폴리오 페이지 전용
   - 캐러셀 대신 3열 그리드로 전체 나열
   - 카드 이름: 업체명 | 설명
═══════════════════════════════════════════ */

/* 글래스모피즘 카드가 비칠 색이 필요해서 섹션 배경에 블러 블롭을 깔아둠 */
.portfolio-page .portfolio-section {
  overflow: hidden;
  background: var(--background);
}

.portfolio-page .portfolio-section::before {
  content: "";
  position: absolute;
  inset: -10%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 15%, rgba(255, 200, 140, 0.32), transparent 46%),
    radial-gradient(circle at 88% 8%, rgba(255, 214, 165, 0.22), transparent 44%),
    radial-gradient(circle at 75% 88%, rgba(255, 196, 130, 0.26), transparent 48%),
    radial-gradient(circle at 8% 85%, rgba(255, 224, 180, 0.18), transparent 44%);
  filter: blur(100px);
}

.portfolio-page .portfolio-section::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: clamp(180px, 24vw, 340px);
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(
      to bottom,
      #fff5eb 0%,
      rgba(255, 250, 246, 0.82) 34%,
      rgba(255, 255, 255, 0) 100%
    );
}

.portfolio-page .portfolio-section .section-container {
  position: relative;
  z-index: 1;
}

.portfolio-page .portfolio-filter {
  display: flex;
  width: fit-content;
  max-width: 100%;
  gap: 6px;
  padding: 6px;
  margin: 0 auto 40px;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  box-shadow:
    0 14px 38px -24px rgba(17, 17, 17, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px) saturate(145%);
  -webkit-backdrop-filter: blur(20px) saturate(145%);
}

.portfolio-page .portfolio-filter-btn {
  min-height: 46px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #6b7280;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
  cursor: pointer;
  transition:
    color 0.22s ease,
    background-color 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

.portfolio-page .portfolio-filter-btn:hover:not(.is-active) {
  color: #111111;
  background: rgba(255, 255, 255, 0.7);
}

.portfolio-page .portfolio-filter-btn.is-active {
  color: #ffffff;
  background: #111111;
  box-shadow: 0 8px 18px -10px rgba(17, 17, 17, 0.7);
}

.portfolio-page .portfolio-filter-btn:active {
  transform: scale(0.97);
}

.portfolio-page .portfolio-filter-btn:focus-visible {
  outline: 3px solid rgba(239, 108, 0, 0.28);
  outline-offset: 2px;
}

.portfolio-page .portfolio-card[hidden] {
  display: none;
}

.portfolio-page .portfolio-grid {
  display: grid;
  grid-auto-flow: row;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-columns: auto;
  gap: 32px;
  overflow: visible;
  scroll-snap-type: none;
  padding: 0;
  margin: 0;
}

.portfolio-page .portfolio-nav {
  display: none;
}

/* PC: 3열 유지하면서 전체 폭 사용해 카드 크게 */
@media (min-width: 1025px) {
  .portfolio-page .portfolio-section .section-container {
    max-width: 100%;
  }
}

.portfolio-page .portfolio-name-tag {
  display: block;
  margin-top: 4px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 프레임 없는 이미지형 포트폴리오 타일 */
.portfolio-page .portfolio-card {
  isolation: isolate;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 18px 42px -24px rgba(17, 17, 17, 0.36);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.portfolio-page .portfolio-card::before {
  content: none;
}

.portfolio-page .portfolio-card:hover {
  box-shadow: 0 26px 54px -26px rgba(17, 17, 17, 0.48);
}

.portfolio-page .portfolio-card--static:hover {
  box-shadow: 0 18px 42px -24px rgba(17, 17, 17, 0.36);
}

.portfolio-page .portfolio-thumb {
  position: relative;
  z-index: 1;
  border-radius: 0;
  overflow: hidden;
  border: 0;
  background: var(--background);
  box-shadow: none;
}

.portfolio-page .portfolio-card:hover .portfolio-thumb {
  border-color: transparent;
  box-shadow: none;
}

.portfolio-page .portfolio-info {
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 62px 22px 20px;
  background: linear-gradient(
    180deg,
    rgba(8, 8, 8, 0) 0%,
    rgba(8, 8, 8, 0.14) 18%,
    rgba(8, 8, 8, 0.82) 100%
  );
}

.portfolio-page .portfolio-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 17px;
  color: #ffffff;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.34);
}

.portfolio-page .portfolio-company {
  display: block;
  overflow: hidden;
  font-weight: 700;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portfolio-page .portfolio-link {
  align-self: flex-end;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
  color: #111111;
  text-align: right;
  white-space: nowrap;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.portfolio-page .portfolio-card:hover .portfolio-link {
  background: #ffffff;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.25);
  transform: translateX(2px);
}

@media (max-width: 1024px) {
  .portfolio-page .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .portfolio-page .portfolio-filter {
    width: 100%;
    margin-bottom: 28px;
  }
  .portfolio-page .portfolio-filter-btn {
    flex: 1 1 0;
    min-width: 0;
    min-height: 42px;
    padding: 0 10px;
    font-size: 13px;
  }
  .portfolio-page .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .portfolio-page .portfolio-info {
    padding: 54px 18px 16px;
  }
}

/* 페이지 히어로 버튼: 홈 히어로와 동일하게 (작은 화면 한 줄) */
@media (max-width: 480px) {
  .portfolio-page .page-hero-cta {
    flex-wrap: nowrap;
    gap: 8px;
  }
  .portfolio-page .page-hero-cta .btn-l {
    min-height: 44px;
    padding: 0 13px;
    font-size: 13px;
  }
}