/* ================= TOPICS FMIPA ================= */

.topics-section {
  background: linear-gradient(to bottom, #ffffff, #f5f9f7);
  padding: 4rem 1rem;
}

.topics-subtitle {
  font-size: 0.95rem;
  color: #64748b;
  max-width: 600px;
  margin: 0.5rem auto 0;
}

/* Grid */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

/* Card */
.topic-card {
  background: #ecfdf5;
  border-radius: 18px;
  padding: 2rem 1.8rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.05);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
  position: relative;
  overflow: hidden;
}

/* Accent line */
.topic-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-top: 5px solid #22c55e;
  opacity: 0.8;
}

.topic-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.1);
}

/* Icon */
.topic-icon {
  font-size: 2rem;
  display: inline-block;
  margin-bottom: 1rem;
}

/* Title */
.topic-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #14532d;
  line-height: 1.4;
}