/* ============================================================
   GZ 光追 — /cases student case gallery
   ============================================================ */

body.cases-page {
  background: #141514;
  color: var(--white);
}

.cases-page .site-header {
  border-bottom-color: rgba(246, 242, 232, 0.14);
  background: rgba(23, 24, 23, 0.94);
}

.cases-page .site-header.is-scrolled {
  background: rgba(18, 19, 18, 0.98);
}

.cases-page .header-contact {
  color: var(--white);
}

.cases-main {
  width: 100%;
  max-width: 1600px;
  min-height: 70vh;
  margin: 0 auto;
  padding: clamp(34px, 5vw, 72px) var(--pad) clamp(54px, 6vw, 90px);
}

.cases-head {
  border-bottom: 1px solid rgba(246, 242, 232, 0.16);
}

.cases-title-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  gap: clamp(30px, 6vw, 100px);
  align-items: end;
  padding-bottom: clamp(32px, 4.5vw, 58px);
}

.cases-title-row .eyebrow {
  color: rgba(246, 242, 232, 0.46);
}

.cases-title-row h1 {
  margin-top: 16px;
  font-family: var(--serif);
  font-size: clamp(3.8rem, 7.4vw, 7.4rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.cases-promise {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-bottom: 8px;
  color: rgba(246, 242, 232, 0.46);
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.65;
}

.cases-promise p:last-child {
  margin-top: 8px;
  color: rgba(246, 242, 232, 0.78);
}

.cases-promise b {
  font-weight: 500;
}

.cases-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 15px 0;
  border-top: 1px solid rgba(246, 242, 232, 0.38);
}

.cases-page .filter-button {
  color: rgba(246, 242, 232, 0.5);
}

.cases-page .filter-button:hover {
  border-color: rgba(246, 242, 232, 0.3);
  color: var(--white);
}

.cases-page .filter-button.is-active {
  border-color: var(--white);
  background: var(--white);
  color: #141514;
}

.cases-page .resource-count {
  color: rgba(246, 242, 232, 0.4);
}

.cases-page .resource-count span {
  color: var(--white);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(38px, 4.5vw, 64px) clamp(18px, 2.4vw, 30px);
  padding-top: clamp(30px, 4vw, 48px);
}

.case-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding-top: 12px;
  border-top: 1px solid rgba(246, 242, 232, 0.25);
}

.case-media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #202120;
}

.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.88) saturate(0.82);
  transition:
    transform 0.7s var(--ease),
    filter 0.4s ease;
}

.case-card:hover .case-media img {
  filter: brightness(1) saturate(0.95);
  transform: scale(1.035);
}

.case-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 13px;
}

.case-avatar {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--white);
  color: #141514;
  font-family: var(--mono);
  font-size: 8px;
}

.case-author {
  color: var(--white);
  font-family: var(--serif);
  font-size: 13px;
}

.case-role {
  color: rgba(246, 242, 232, 0.34);
  font-family: var(--serif);
  font-size: 9px;
}

.case-tag {
  margin-left: auto;
  padding: 3px 7px;
  border: 1px solid rgba(246, 242, 232, 0.18);
  color: rgba(246, 242, 232, 0.42);
  font-family: var(--serif);
  font-size: 8px;
}

.case-text {
  margin-top: 12px;
  color: rgba(246, 242, 232, 0.72);
  font-family: var(--serif);
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
}

.case-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
}

.case-likes {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: rgba(246, 242, 232, 0.4);
  font-family: var(--serif);
  font-size: 8px;
}

.case-likes svg {
  width: 13px;
  height: 13px;
}

.case-time {
  margin-left: auto;
  color: rgba(246, 242, 232, 0.28);
  font-family: var(--serif);
  font-size: 8px;
}

.cases-page-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: clamp(46px, 6vw, 80px);
  padding-top: 18px;
  border-top: 1px solid rgba(246, 242, 232, 0.15);
}

.cases-page-foot p {
  color: rgba(246, 242, 232, 0.34);
  font-size: 10px;
}

.cases-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px var(--pad);
  border-top: 1px solid rgba(246, 242, 232, 0.15);
  background: #0f100f;
  color: rgba(246, 242, 232, 0.3);
  font-family: var(--serif);
  font-size: 9px;
  letter-spacing: 0.05em;
}

.cases-page .empty-state {
  grid-column: 1 / -1;
  color: rgba(246, 242, 232, 0.5);
  text-align: center;
}

@media (max-width: 1050px) {
  .cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .cases-title-row {
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: start;
  }

  .cases-promise {
    padding-bottom: 0;
  }
}

@media (max-width: 640px) {
  .cases-main {
    padding-top: 24px;
  }

  .cases-title-row h1 {
    font-size: clamp(3rem, 13vw, 4.2rem);
  }

  .cases-toolbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .cases-page .resource-count {
    align-self: flex-end;
  }

  .cases-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cases-page-foot,
  .cases-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }
}

.cases-toolbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cases-publish {
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(246, 242, 232, 0.4);
  color: var(--white);
  font-family: var(--serif);
  font-size: 12px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.cases-publish:hover {
  color: #d2a17f;
  border-color: #d2a17f;
}

@media (max-width: 640px) {
  .cases-toolbar-right {
    width: 100%;
    justify-content: space-between;
  }
}

a.case-author {
  color: var(--white);
  text-decoration: none;
}
a.case-author:hover { color: #d2a17f; }
.case-card { cursor: pointer; }