/* ═══════════════════════════════════════════════════════
   KIF — Portfolio / Startups Section (Hover-Expand Cards)
   ═══════════════════════════════════════════════════════ */

.portfolio-section {
  padding: 10rem 2rem;
  position: relative;
}

.portfolio-header {
  max-width: 1280px;
  margin: 0 auto 5rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.portfolio-h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--frost);
}

.portfolio-count {
  font-family: 'DM Mono', monospace;
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--frost-faint);
}

.portfolio-list {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ─── Card ──────────────────────────────────────── */
.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--edge);
  border-top: 2px solid transparent;
  padding: 2rem 1.75rem 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color .35s, background .35s, transform .35s cubic-bezier(.16, 1, .3, 1), box-shadow .35s;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: .75rem;
}

.portfolio-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232, 97, 26, .06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity .35s;
}

.portfolio-card:hover {
  border-color: var(--gold);
  border-top-color: var(--gold);
  background: var(--surface-raised);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(232, 97, 26, .12);
}

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

.portfolio-card:hover .p-sector {
  background: var(--gold-dim);
  border-color: rgba(232, 97, 26, .3);
  color: var(--gold);
}

/* ─── Logo ──────────────────────────────────────── */
.p-card-logo-wrap {
  width: 100px;
  height: 100px;
  border-radius: 12px;
  background: #fff;
  border: 2px solid var(--edge);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: border-color .3s, box-shadow .3s;
}

.portfolio-card:hover .p-card-logo-wrap {
  border-color: rgba(232, 97, 26, .4);
  box-shadow: 0 0 20px rgba(232, 97, 26, .15);
}

.p-card-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
}

.p-card-logo-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-dim);
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: .05em;
}

/* ─── Card text ─────────────────────────────────── */
.p-idx {
  font-family: 'DM Mono', monospace;
  font-size: .62rem;
  letter-spacing: .18em;
  color: rgba(232, 97, 26, .6);
  position: relative;
  z-index: 1;
}

.p-name {
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--frost);
  line-height: 1.3;
  position: relative;
  z-index: 1;
}

.p-sector {
  display: inline-block;
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--frost-faint);
  background: var(--ink);
  border: 1px solid var(--edge);
  padding: .3rem .75rem;
  transition: background .3s, border-color .3s, color .3s;
  position: relative;
  z-index: 1;
}

/* ─── Hover Drawer (expand on hover) ────────────── */
.p-card-drawer {
  max-height: 0;
  overflow: hidden;
  width: 100%;
  transition: max-height .45s cubic-bezier(.16, 1, .3, 1);
  position: relative;
  z-index: 1;
}

.portfolio-card:hover .p-card-drawer {
  max-height: 280px;
}

.p-card-drawer-inner {
  padding-top: .75rem;
  border-top: 1px solid rgba(232, 97, 26, .2);
  margin-top: .5rem;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  text-align: left;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .3s .1s, transform .3s .1s;
}

.portfolio-card:hover .p-card-drawer-inner {
  opacity: 1;
  transform: translateY(0);
}

.p-card-meta {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-family: 'DM Mono', monospace;
  font-size: .65rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.p-card-meta svg {
  flex-shrink: 0;
  color: var(--gold);
}

.p-card-meta span {
  color: var(--frost-dim);
}

.p-card-desc {
  font-size: .82rem;
  line-height: 1.7;
  color: var(--frost-faint);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ─── Responsive ────────────────────────────────── */
@media (max-width: 768px) {
  .portfolio-list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .portfolio-list {
    grid-template-columns: repeat(2, 1fr);
  }
}