/* ===========================================
   Certifications & Awards (about-certifications.html)
   Year-grouped compact list
   =========================================== */

.cert-list {
  display: flex;
  flex-direction: column;
  gap: 56px;
  margin: 0;
  padding: 0;
}

.cert-year-section {
  margin: 0;
}

.cert-year-header {
  margin: 0 0 8px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--color-primary);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.cert-row {
  display: grid;
  grid-template-columns: 100px 100px 1fr 56px; /* 카테고리 칸: 일본어 'パートナー'(94px) 등 긴 라벨 수용 */
  gap: 24px;
  align-items: center;
  padding: 18px 12px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background 0.2s ease;
}

.cert-row:hover {
  background: #f8fafc;
}

.cert-row:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
  background: #f8fafc;
}

.cert-row-date {
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-muted);
  white-space: nowrap; /* 날짜(2026.06.02)가 줄바꿈되지 않도록 — 모바일 좁은 폭에서도 한 줄 */
}

.cert-row-cat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  background: var(--color-accent);
  color: #fff;
  font-size: var(--fs-small);
  font-weight: 600;

  border-radius: 4px;
  white-space: nowrap;
  width: fit-content;
}

.cert-row-cat[data-cat="수상"] {
  background: #d97706;
}

.cert-row-cat[data-cat="파트너"] {
  background: var(--color-muted);
}

.cert-row-title {
  margin: 0;
  font-size: var(--fs-small);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.015em;
  color: var(--color-primary);
  transition: color 0.2s ease;
}

.cert-row:hover .cert-row-title {
  color: var(--color-accent-text);
}

.cert-row-thumb {
  width: 56px;
  height: 72px;
  background: #f3f4f6;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cert-row-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 4px;
  box-sizing: border-box;
}

.cert-row-cat[data-cat="특허"] {
  background: #0d9488;
}

/* ---------- Patent rows (no image, registration number) ---------- */
.cert-row--patent {
  grid-template-columns: 100px 64px 1fr auto;
  cursor: default;
}

.cert-row--patent:hover .cert-row-title {
  color: var(--color-primary);
}

.cert-row-tag {
  margin-left: 4px;
  font-style: normal;
  font-weight: 500;
  color: var(--color-accent-text);
}

.cert-row-num {
  font-family: 'Nunito', 'Pretendard Variable', sans-serif;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--color-muted);

  white-space: nowrap;
  text-align: right;
}

.cert-empty {
  text-align: center;
  padding: 80px 20px;
  font-size: var(--fs-small);
  color: var(--color-muted);
}

/* ---------- Lightbox modal ---------- */
.cert-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  z-index: 1000;
  cursor: zoom-out;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.cert-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.cert-modal-inner {
  position: relative;
  max-width: 900px;
  width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: default;
}

.cert-modal-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.5);
}

.cert-modal-caption {
  margin-top: 20px;
  text-align: center;
  color: #fff;
}

.cert-modal-caption .cap-title {
  display: block;
  font-size: var(--fs-body);
  font-weight: 600;
  letter-spacing: -0.015em;
}

.cert-modal-caption .cap-meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.7);
}

.cert-modal-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: #fff;
  font-size: 20px;
  font-weight: 300;
  cursor: pointer;
  transition: background 0.2s ease;
}

.cert-modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  /* 모바일: 왼쪽에 날짜+이름(세로로 쌓고), 오른쪽에 사진 */
  .cert-row {
    grid-template-columns: 1fr 48px;
    grid-template-rows: auto auto;
    gap: 4px 14px;
    padding: 16px 8px;
    align-items: start;
  }

  .cert-row-cat {
    display: none;
  }

  .cert-row-date {
    grid-column: 1;
    grid-row: 1;
  }

  .cert-row-title {
    grid-column: 1;
    grid-row: 2;
    font-size: var(--fs-small);
  }

  .cert-row-thumb {
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: center;
    width: 48px;
    height: 60px;
  }

  .cert-row--patent {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 6px 14px;
    align-items: start;
  }

  .cert-row--patent .cert-row-date {
    grid-column: 1;
    grid-row: 1;
  }

  .cert-row--patent .cert-row-title {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .cert-row--patent .cert-row-num {
    grid-column: 1 / -1;
    grid-row: 3;
    text-align: left;
    margin-top: 2px;
  }

  .cert-year-header {
    font-size: 26px;
  }

  .cert-list {
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .cert-row-date {
    font-size: var(--fs-small);
  }

  .cert-row-title {
    font-size: var(--fs-small);
  }
}