/* ===== Features Section ===== */
.features {
  background: rgba(10, 15, 22, 0.86);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  position: relative;
  background: var(--bg-card);
  background-image: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(59, 130, 196, 0.12), transparent 60%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all 0.3s ease;
  cursor: default;
  will-change: transform;
}

.feature-card::before,
.feature-card::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--primary);
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.feature-card::before {
  top: 8px;
  left: 8px;
  border-right: none;
  border-bottom: none;
  transform: translate(4px, 4px);
}

.feature-card::after {
  bottom: 8px;
  right: 8px;
  border-left: none;
  border-top: none;
  transform: translate(-4px, -4px);
}

.feature-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 196, 0.25);
  background: linear-gradient(135deg, rgba(59, 130, 196, 0.05) 0%, rgba(30, 79, 120, 0.05) 100%);
  backdrop-filter: blur(6px);
}

.feature-card:hover::before,
.feature-card:hover::after {
  opacity: 1;
  transform: translate(0, 0);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  filter: drop-shadow(0 4px 8px rgba(59, 130, 196, 0.35));
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}