/* ============================================
   Filter Bar
   ============================================ */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--ease);
  font-family: var(--font);
}

.filter-btn:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.filter-btn.active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
  font-weight: 700;
}

/* ============================================
   Portfolio Cards
   ============================================ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--ease-slow);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: rgba(233, 144, 78, 0.2);
}

.portfolio-card__img {
  height: 200px;
  background: var(--dark);
  overflow: hidden;
  position: relative;
}

.portfolio-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--ease-slow);
}

.portfolio-card:hover .portfolio-card__img img { transform: scale(1.05); }

.portfolio-card__img-bg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: rgba(255,255,255,0.2);
}

.portfolio-card__img-bg--blue   { background: linear-gradient(135deg, #0e2a3a, #1b3a52); }
.portfolio-card__img-bg--purple { background: linear-gradient(135deg, #1a0e2a, #2a1a40); }
.portfolio-card__img-bg--navy   { background: linear-gradient(135deg, #0e1a2a, #152840); }
.portfolio-card__img-bg--green  { background: linear-gradient(135deg, #1a2a0e, #273d15); }
.portfolio-card__img-bg--amber  { background: linear-gradient(135deg, #2a1a0e, #3d2715); }
.portfolio-card__img-bg--teal   { background: linear-gradient(135deg, #0e2a2a, #153d3a); }
.portfolio-card__img-bg--rose   { background: linear-gradient(135deg, #2a0e1a, #3d1527); }

.portfolio-card__content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.portfolio-card__tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.tag--orange {
  background: var(--orange-glow);
  color: var(--orange);
  border: 1px solid rgba(233, 144, 78, 0.2);
}

.tag--purple {
  background: rgba(105, 78, 183, 0.1);
  color: var(--purple);
  border: 1px solid rgba(105, 78, 183, 0.2);
}

.tag--blue {
  background: rgba(78, 167, 233, 0.1);
  color: var(--blue);
  border: 1px solid rgba(78, 167, 233, 0.2);
}

.portfolio-card__title {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.portfolio-card__excerpt {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex: 1;
  max-width: none;
}

.portfolio-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--orange);
  transition: gap var(--ease);
}

.portfolio-card__link:hover { gap: 0.8rem; }