/* ================================================
   PORTFOLIO.CSS — Portfolio & Master rad section
   ================================================ */

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* ── Card — fixed height, clip overflow ── */
.portfolio-card {
  background: var(--cream2);
  border: 1px solid var(--light);
  border-radius: 8px;
  overflow: hidden;
  position: relative;

  /* Fixed height = thumb only by default */
  height: 280px;
  cursor: pointer;

  transition: box-shadow 0.4s ease, border-color 0.4s ease;
}

.portfolio-card:hover {
  box-shadow: 0 20px 50px rgba(30, 26, 20, 0.12);
  border-color: var(--gold);
}

/* ── Thumbnail — fills the card by default ── */
.portfolio-thumb {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--light), var(--cream));
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
  transition: height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-thumb-letter {
  font-family: var(--serif);
  font-size: 6rem;
  font-weight: 300;
  color: rgba(139, 111, 94, 0.15);
  /* Letter stays centered inside thumb */
  transition: opacity 0.3s ease;
}

/* Fade the letter out slightly on hover */
.portfolio-card:hover .portfolio-thumb-letter {
  opacity: 0.5;
}

.portfolio-type {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.2rem 0.7rem;
  border-radius: 50px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--cream);
  color: var(--warm);
  z-index: 2;
}

/* ── Body — hidden below the thumb by default ── */
.portfolio-body {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  background: var(--cream);
  border-top: 1px solid var(--light);

  /* Start off-screen below the card */
  transform: translateY(100%);
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);

  /* Clip to card bounds */
  z-index: 1;
}

/* ── On hover: shrink thumb & slide body up ── */
.portfolio-card:hover .portfolio-thumb {
  height: 45%;
}

.portfolio-card:hover .portfolio-body {
  transform: translateY(0);
}

/* ── Body text ── */
.portfolio-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 0.45rem;
}

.portfolio-excerpt {
  font-size: 0.82rem;
  color: var(--ink2);
  line-height: 1.6;
  margin-bottom: 0.9rem;
}

.portfolio-link {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rose);
  text-decoration: none;
  transition: color 0.2s;
}

.portfolio-link:hover {
  color: var(--warm);
}

/* ── Master thesis highlight ── */
.master-highlight {
  margin-top: 3rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(201, 168, 130, 0.08), rgba(196, 133, 106, 0.06));
  border: 1px solid var(--gold);
  border-radius: 8px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: center;
}

.master-icon {
  font-size: 3rem;
}

.master-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 0.5rem;
}

.master-title {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.master-desc {
  font-size: 0.85rem;
  color: var(--ink2);
  margin-bottom: 1rem;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .master-highlight {
    grid-template-columns: 1fr;
    text-align: center;
  }

  /* On mobile — always show text, no hover needed */
  .portfolio-card {
    height: auto;
  }

  .portfolio-thumb {
    position: relative;
    height: 180px;
  }

  .portfolio-body {
    position: relative;
    transform: none;
    border-top: 1px solid var(--light);
  }

  .portfolio-card:hover .portfolio-thumb {
    height: 180px;
  }
}