/* ================= POPULAR CALCULATORS — Green Theme ================= */

.tools-section {
  margin: 32px auto;
}

.tools-card {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px;
  background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
  border-radius: 28px;
  box-shadow: 0 20px 50px rgba(7,181,168,0.08);
  border: 1px solid rgba(153,246,228,0.3);
}

.tools-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #047857;
  background: linear-gradient(135deg, #ccfbf1, #dcfce7);
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.tools-title {
  font-size: 30px;
  margin: 10px 0 6px;
  color: #0f172a;
}

.tools-sub {
  font-size: 15px;
  color: #64748b;
  margin-bottom: 22px;
  line-height: 1.5;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.tool-item {
  background: #ffffff;
  border-radius: 18px;
  padding: 22px;
  border: 1.5px solid #e5e7eb;
  box-shadow: 0 8px 20px rgba(15,23,42,0.05);
  transition: all 0.3s ease;
}

.tool-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(7,181,168,0.1);
  border-color: #99f6e4;
}

.tool-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 12px;
}

.tool-icon.heart { background: linear-gradient(135deg, #fee2e2, #fecaca); }
.tool-icon.money { background: linear-gradient(135deg, #ccfbf1, #dcfce7); }
.tool-icon.cash  { background: linear-gradient(135deg, #ccfbf1, #cffafe); }
.tool-icon.vault { background: linear-gradient(135deg, #f0fdfa, #ecfdf5); }

.tool-item h3 {
  font-size: 18px;
  margin: 0 0 6px;
  font-weight: 700;
}

.tool-item p {
  font-size: 14px;
  color: #475569;
  margin-bottom: 14px;
  line-height: 1.5;
}

.tool-item a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 18px;
  background: linear-gradient(135deg, #07b5a8, #22c55e);
  color: #ffffff;
  font-weight: 700;
  border-radius: 10px;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
}
.tool-item a:hover {
  box-shadow: 0 6px 16px rgba(7,181,168,0.25);
  transform: translateY(-1px);
}

/* Responsive */
@media (max-width: 900px) {
  .tools-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
}