.calc-main {
  padding: 2rem 2rem 4rem;
  max-width: 900px;
  margin: 0 auto;
}

.calc-container {
  max-width: 500px;
  margin: 0 auto;
}

.calc-header {
  margin-bottom: 2rem;
  text-align: center;
}

.calc-header h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.calc-header p {
  font-size: 1rem;
  color: var(--text2);
}

.calculator-grid {
  display: flex;
  flex-direction: row;
  gap: 1.5rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.calculator-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  min-width: 320px;
  flex: 1;
}

.calculator-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.calculator-card h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.card-description {
  font-size: 0.9rem;
  color: var(--text2);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.card-features {
  list-style: none;
  text-align: left;
  margin-bottom: 1.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg2);
  border-radius: 8px;
}

.card-features li {
  font-size: 0.85rem;
  color: var(--text2);
  padding: 0.4rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.card-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--solved);
  font-weight: 600;
}

.card-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
  transition: background 0.2s, transform 0.2s;
}

.card-btn:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
}

.calc-footer {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--text3);
  text-align: center;
  line-height: 1.6;
}

@media (max-width: 600px) {
  .calc-main {
    padding: 1.5rem 1rem 3rem;
  }

  .calculator-grid {
    flex-direction: column;
  }

  .calculator-card {
    padding: 1.5rem;
  }
}