/* ==========================================================================
   PT Noto Water Envirotech - Portfolio Page Stylesheet (css/portfolio.css)
   ========================================================================== */

/* Project Filter Pills */
.portfolio-filter-btn {
  transition: all 0.25s ease;
  user-select: none;
}

.portfolio-filter-btn.active {
  background-color: var(--color-cyan) !important;
  color: #ffffff !important;
  border-color: var(--color-cyan) !important;
  box-shadow: 0 4px 14px rgba(18, 170, 191, 0.35);
}

/* Project Card */
.project-card {
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid #e2e8f0;
  overflow: hidden;
  background: white;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: #12AABF;
  box-shadow: 0 20px 35px -10px rgba(9, 37, 52, 0.15);
}

.project-img-container {
  overflow: hidden;
  position: relative;
}

.project-img-container img {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-img-container img {
  transform: scale(1.08);
}

/* Case Study Spec Grid */
.case-spec-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

/* Client Logo Cloud */
.client-logo-card {
  background: white;
  border: 1px solid #f1f5f9;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.client-logo-card:hover {
  border-color: #12AABF;
  box-shadow: 0 10px 20px -5px rgba(18, 170, 191, 0.1);
  transform: translateY(-3px);
}