:root{
  --bg: #0b0b0f;
  --rose-gold: #b76e79;
  --rose-gold-light: #d9a3ad;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --text: #f5f5f7;
}

.portfolio-section {
  background: radial-gradient(1200px 400px at 80% -10%, rgba(183,110,121,0.2), transparent),
              radial-gradient(800px 300px at 10% 0%, rgba(217,163,173,0.15), transparent),
              var(--bg);
  padding: 80px 6%;
  color: var(--text);
  font-family: "IRANSans", sans-serif;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.2rem;
  color: var(--rose-gold-light);
  letter-spacing: 0.5px;
}

.section-header p {
  opacity: 0.8;
  margin-top: 8px;
}

.portfolio-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.45);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.portfolio-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
  transition: transform 0.5s ease, filter 0.5s ease;
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1), rgba(0,0,0,0.75));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card-overlay h3 {
  color: var(--rose-gold-light);
  margin: 0 0 6px;
}

.card-overlay span {
  font-size: 0.85rem;
  color: #e6d1d4;
}

.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(183,110,121,0.3);
}

.portfolio-card:hover img {
  transform: scale(1.06);
  filter: saturate(1.15);
}

.portfolio-card:hover .card-overlay {
  opacity: 1;
}