.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--gray-900);
  color: #ffffff;
}

.section-alt {
  background: var(--gray-100);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary-700);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--gray-500);
}

.section-note {
  margin-top: 10px;
  font-size: 14px;
  color: var(--gray-500);
}

.section-dark .section-subtitle {
  color: var(--gray-400);
}

.section-dark .section-note {
  color: var(--gray-400);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

@media (min-width: 1024px) {
  .problem-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.problem-card {
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 55%), var(--gray-800);
  padding: 28px 24px;
  border-radius: var(--border-radius);
  border: 1px solid rgba(148, 163, 184, 0.18);
  text-align: left;
}

.problem-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.problem-card p {
  color: var(--gray-400);
  font-size: 15px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.step {
  position: relative;
  padding: 26px 22px 22px;
  border-radius: 18px;
  background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.14), transparent 55%), #ffffff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.28);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 300px;
}

.step:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

.step-number {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: #ffffff;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.45);
}

.step-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.03);
  border: 1px solid rgba(148, 163, 184, 0.22);
  color: var(--gray-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  margin-bottom: 18px;
}

.step-icon svg {
  width: 22px;
  height: 22px;
}

.how-card-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.how-card-body {
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 14px;
}

.step-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid rgba(37, 99, 235, 0.16);
  color: var(--primary-700);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
  margin-top: auto;
}

.step-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step-list-item {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid rgba(148, 163, 184, 0.18);
  color: var(--gray-700);
  font-size: 14px;
  font-weight: 600;
}

.cta-section {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  color: #ffffff;
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
}

.cta-section .btn-primary {
  background: #ffffff;
  color: var(--primary-700);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 28px;
  }

  .steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1100px) {
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}