/* ===== Body - Portfolio Hero + Thumbnail Grid ===== */

/* Scrollable wrapper */
.portfolio-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 40px 0;
}

/* ===== Hero Card ===== */
.hero-card {
  display: flex;
  align-items: center;
  gap: 36px;
  background: #27374D;
  border-radius: 16px;
  padding: 36px 48px;
  margin-bottom: 40px;
  box-shadow: 0 8px 32px rgba(39, 55, 77, 0.2);
  border: 1px solid rgba(82, 109, 130, 0.3);
}

.hero-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #526D82;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
}

.hero-info {
  flex: 1;
}

.hero-name {
  color: #DDE6ED;
  font-size: 1.6rem;
  font-weight: 600;
  margin: 0 0 4px;
}

.hero-title {
  color: #9DB2BF;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin: 0 0 20px;
}

.hero-contacts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 32px;
}

.hero-contact-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}

.hero-contact-row img {
  width: 16px;
  height: 16px;
  object-fit: contain;
  filter: brightness(0) invert(0.75);
  flex-shrink: 0;
}

.hero-contact-row span,
.hero-contact-row a {
  color: #9DB2BF;
  font-size: 0.8rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.hero-contact-row a:hover {
  color: #DDE6ED;
}

/* ===== Thumbnail Grid ===== */
.thumbnail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

/* ===== Project Card (Thumbnail) ===== */
.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: rgba(157, 178, 191, 0.15);
  border-radius: 12px;
  border: 1px solid rgba(157, 178, 191, 0.25);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(39, 55, 77, 0.15);
}

/* Category icon badge in top-left */
.card-category-icon {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 28px;
  height: 28px;
  object-fit: contain;
  background: rgba(39, 55, 77, 0.85);
  border-radius: 6px;
  padding: 4px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Thumbnail image */
.card-thumbnail {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-bottom: 1px solid rgba(157, 178, 191, 0.25);
}

/* For projects with no real thumbnail (e.g. Teaching) - icon as placeholder */
.card-thumbnail-icon {
  object-fit: contain;
  padding: 32px;
  background: linear-gradient(135deg, #27374D 0%, #1e2d3f 100%);
}

/* Card title */
.card-title {
  display: block;
  padding: 14px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #27374D;
  text-align: center;
}

/* ===== Project Detail Page ===== */
.project-page-content {
  flex: 1;
  overflow-y: auto;
}

.project-detail-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 60px 48px;
}

/* Back button in inline project detail sections */
.back-to-grid {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  text-decoration: none;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .portfolio-wrapper {
    padding: 24px 20px 0;
  }

  .hero-card {
    flex-direction: column;
    text-align: center;
    padding: 28px 24px;
    gap: 20px;
  }

  .hero-contacts {
    grid-template-columns: 1fr;
    gap: 8px;
    justify-items: center;
  }

  .thumbnail-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .project-detail-wrapper {
    padding: 24px 20px 32px;
  }
}

@media (max-width: 520px) {
  .thumbnail-grid {
    grid-template-columns: 1fr;
  }

  .hero-name {
    font-size: 1.3rem;
  }
}