/* =========================================
   portfolio.css — project cards grid
   ========================================= */

#portfolio {
  background: transparent;
}

/* CTF highlight banner */
.ctf-banner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.10), rgba(167, 139, 250, 0.10));
  border: 1px solid rgba(52, 211, 153, 0.20);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

.ctf-badge {
  font-size: 28px;
  flex-shrink: 0;
}

.ctf-text {
  font-size: 13px;
  color: var(--color-ink-2);
  line-height: 1.6;
}

.ctf-text strong {
  color: var(--color-accent-3);
  font-weight: 800;
}

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* Individual card */
.card {
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition:
    transform        var(--transition-normal),
    box-shadow       var(--transition-normal),
    border-color     var(--transition-normal);
}

/* Decorative glow circle per card type */
.card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  opacity: 0.12;
  pointer-events: none;
}

.card.web::before      { background: var(--color-accent);   }
.card.photo::before    { background: var(--color-accent-2);  }
.card.security::before { background: var(--color-accent-3);  }

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--color-border-hover);
}

/* Type badge */
.card-type {
  display: inline-block;
  border-radius: var(--radius-full);
  padding: 3px 12px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-md);
}

.card.web      .card-type { background: rgba(167, 139, 250, 0.15); color: var(--color-accent);   }
.card.photo    .card-type { background: rgba(244, 114, 182, 0.15); color: var(--color-accent-2);  }
.card.security .card-type { background: rgba(52,  211, 153, 0.15); color: var(--color-accent-3);  }

/* Title */
.card-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

/* Description */
.card-desc {
  font-size: 13px;
  color: var(--color-ink-2);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

/* Tags */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 1.25rem;
}

.card-tag {
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-muted);
}

/* External link */
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  color: var(--color-accent);
  padding: 5px 14px;
  border: 1px solid rgba(167, 139, 250, 0.25);
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}

.card-link:hover {
  background: rgba(167, 139, 250, 0.15);
}

/* Arrow badge */
.card-arrow {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  transition: transform var(--transition-fast);
}

.card:hover .card-arrow {
  transform: translate(2px, -2px);
}