/* ---------------------------------------------
   DiPStrategy -- Case Study Section
   style/casestudy.css
   --------------------------------------------- */

.casestudy-section {
  background: linear-gradient(to bottom, #f0f0e6 0%, #ffffff 100%);
  padding: 0 56px 96px;
  position: relative;
}

/* Navy bar di atas -- overlap ke baris pertama card */
.casestudy-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 420px;
  background: #093564;
  z-index: 0;
}

/* --- HEADER --- */
.casestudy-header {
  margin-bottom: 32px;
  padding-top: 164px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.casestudy-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Barlow', sans-serif;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #DEFF2D;
  margin-bottom: 12px;
}

.casestudy-label-star {
  width: 16px;
  height: 16px;
  animation: spin 12s linear infinite;
  flex-shrink: 0;
}

/* Header text putih karena di atas navy bar */
.casestudy-headline {
  font-family: 'Montserrat', sans-serif;
  font-weight: 200;
  font-size: clamp(28px, 3.5vw, 48px);
  color: #fff;
  letter-spacing: -0.02em;
}

.casestudy-headline strong {
  font-weight: 900;
}

.casestudy-header-right {
  flex-shrink: 0;
  margin-left: 40px;
  margin-bottom: 4px;
}

.casestudy-all-link {
  font-family: 'Barlow', sans-serif;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

.casestudy-all-link:hover { color: #DEFF2D; }
.casestudy-all-link svg { width: 16px; height: 16px; }

/* --- MASONRY GRID --- */
.casestudy-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  z-index: 1;
}

.casestudy-row {
  display: flex;
  flex-direction: row;
  gap: 0;
  height: 180px;
}

/* --- CARD --- */
.casestudy-card {
  flex-shrink: 0;
  margin-bottom: 0;
  border-radius: 0;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

/* Image */
.casestudy-card img {
  position: absolute;
  top: 50%; left: 50%;
  width: 140%;
  height: 140%;
  object-fit: cover;
  display: block;
  transform: translate(-50%, -50%) rotate(-15deg);
  transition: filter 0.4s ease, transform 0.4s ease;
  border-radius: 0;
  min-height: 0;
}

/* Hover: blur image */
.casestudy-card:hover img {
  filter: blur(4px) brightness(0.5);
  transform: translate(-50%, -50%) rotate(0deg) scale(1.25);
}

/* Hover overlay content */
.casestudy-card-info {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.35s ease;
  text-align: center;
}

.casestudy-card:hover .casestudy-card-info {
  opacity: 1;
}

.casestudy-card-category {
  font-family: 'Barlow', sans-serif;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #DEFF2D;
  margin-bottom: 8px;
  transform: translateY(8px);
  transition: transform 0.35s ease;
}

.casestudy-card:hover .casestudy-card-category {
  transform: translateY(0);
}

.casestudy-card-client {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  letter-spacing: -0.01em;
  transform: translateY(8px);
  transition: transform 0.35s 0.05s ease;
}

.casestudy-card:hover .casestudy-card-client {
  transform: translateY(0);
}

/* --- LIGHTBOX --- */
.cs-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.cs-lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.cs-lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(4, 15, 30, 0.92);
  backdrop-filter: blur(8px);
}

.cs-lightbox-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  width: 90vw;
  border-radius: 0;
  overflow: hidden;
  transform: scale(0.95) translateY(16px);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 32px 80px rgba(0,0,0,0.6);
}

.cs-lightbox.open .cs-lightbox-content {
  transform: scale(1) translateY(0);
}

.cs-lightbox-img {
  width: 100%;
  max-height: 70vh;
  object-fit: cover;
  display: block;
}

.cs-lightbox-caption {
  background: #05213F;
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cs-lightbox-caption-left {}

.cs-lightbox-caption-category {
  font-family: 'Barlow', sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #DEFF2D;
  margin-bottom: 4px;
  display: block;
}

.cs-lightbox-caption-client {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
}

.cs-lightbox-close {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border: none; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: rgba(255,255,255,0.6);
  transition: background 0.2s, color 0.2s;
  flex-shrink: 0;
}

.cs-lightbox-close:hover { background: rgba(255,255,255,0.15); color: #fff; }
.cs-lightbox-close svg { width: 16px; height: 16px; }

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .casestudy-section { padding: 60px 24px 72px; }
  .casestudy-row     { height: 120px; }
  .casestudy-header  { flex-direction: column; align-items: flex-start; gap: 16px; }
  .casestudy-header-right { margin-left: 0; }
}
@media (max-width: 600px) {
  .casestudy-row { height: 90px; }
}