/* Skills Grid & Cards */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(200px, 100%, 300px), 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.skill-card {
  background: var(--bg-card);
  backdrop-filter: var(--bg-blur);
  -webkit-backdrop-filter: var(--bg-blur);
  padding: 3rem 2rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  transition: var(--transition-slow);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.skill-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    800px circle at var(--mouse-x, 0) var(--mouse-y, 0),
    rgba(255, 255, 255, 0.06),
    transparent 40%
  );
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s;
}

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

.skill-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: var(--transition-base);
}

.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--card-shadow-hover), 0 0 20px var(--primary-glow);
  background: var(--bg-card-hover);
}

.skill-card:hover::after {
  opacity: 1;
}

.skill-icon {
  font-size: 3rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  transition: var(--transition-base);
  filter: drop-shadow(0 0 10px var(--primary-glow));
  position: relative;
  z-index: 2;
}

.skill-card:hover .skill-icon {
  transform: scale(1.05);
}

.skill-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 700;
  letter-spacing: -0.5px;
  position: relative;
  z-index: 2;
}

.skill-desc {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  font-size: 0.95rem;
  transition: var(--transition-base);
  position: relative;
  z-index: 2;
}

.skill-card:hover .skill-desc {
  color: var(--text-primary);
}


@media (max-width: 1024px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .skills-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    gap: 1.25rem;
  }
}