/* ===================================================
   Lumina 高崎本店 - Cases Page Stylesheet
=================================================== */

/* ---------- Page Hero ---------- */
.page-hero {
  position: relative;
  height: 36vh;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--ivory-dark) 0%, var(--gold-light) 100%);
  padding-top: 80px;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 22, 20, 0.12);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-hero-content h1 {
  font-family: var(--font-main);
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 400;
  color: var(--dark);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.breadcrumb {
  position: absolute;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--warm-gray);
  white-space: nowrap;
}

.breadcrumb a {
  color: var(--warm-gray);
  text-decoration: none;
}

.breadcrumb a:hover { color: var(--gold); }

/* ---------- Cases Layout ---------- */
#cases-main {
  padding: 5rem 2rem 6rem;
  background: var(--ivory);
}

.cases-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* ---------- Category Nav ---------- */
.cases-category-nav {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3.5rem;
}

.cat-btn {
  padding: 0.5rem 1.4rem;
  border: 1px solid var(--gold-light);
  background: transparent;
  color: var(--warm-gray);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.cat-btn:hover,
.cat-btn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}

/* ---------- Category Section ---------- */
.cases-category {
  margin-bottom: 5rem;
}

.cases-category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gold-light);
}

.cases-category-icon {
  width: 44px;
  height: 44px;
  background: var(--gold);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.cases-category-title {
  font-family: var(--font-main);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--dark);
  letter-spacing: 0.05em;
}

.cases-category-title span {
  display: block;
  font-family: var(--font-sub);
  font-size: 0.72rem;
  color: var(--gold);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

/* ---------- Cases Grid ---------- */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

/* ---------- Case Card ---------- */
.case-card {
  background: var(--white);
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
  overflow: hidden;
}

.case-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.case-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
}

.case-card-zoom {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 22, 20, 0);
  color: var(--white);
  font-size: 1.4rem;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 2;
}

.case-card:hover .case-card-zoom {
  opacity: 1;
  background: rgba(26, 22, 20, 0.35);
}

.case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.5s ease;
}

.case-card:hover .case-card-img img {
  transform: scale(1.04);
}

.case-card-body {
  padding: 1.2rem 1.4rem 1.4rem;
}

.case-card-label {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-light);
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.7rem;
}

.case-card-title {
  font-family: var(--font-main);
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 0.6rem;
}

.case-card-results {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}

.result-badge {
  background: var(--ivory-dark);
  color: var(--gold-dark);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.03em;
}

.case-card-profile {
  font-size: 0.75rem;
  color: var(--warm-gray);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.case-card-profile::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--gold-light);
  flex-shrink: 0;
}

/* ---------- Lightbox ---------- */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26, 22, 20, 0.92);
  z-index: 9000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

#lightbox.open {
  display: flex;
}

#lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

#lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.8rem;
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

#lightbox-close:hover { color: var(--white); }

/* ---------- CTA Banner ---------- */
.cases-cta {
  background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 100%);
  padding: 4rem 2rem;
  text-align: center;
  margin-top: 2rem;
}

.cases-cta h2 {
  font-family: var(--font-main);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  color: var(--white);
  font-weight: 400;
  margin-bottom: 0.8rem;
}

.cases-cta p {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  line-height: 1.9;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.3rem;
  }
}

@media (max-width: 600px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }

  .cases-category-nav {
    gap: 0.5rem;
  }

  .cat-btn {
    padding: 0.4rem 1rem;
    font-size: 0.78rem;
  }
}