:root {
  --color-red: #E53935;
}

/* ── SECTION 2: Probleme ── */

.bereich-probleme {
  padding: 100px 0;
  background: var(--color-bg-light);
}

.bereich-probleme-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 50px auto 0;
}

.problem-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-grey-border);
  padding: 30px;
  transition: border-color 0.3s ease;
  text-align: center;
}

.problem-card:hover {
  border-color: var(--color-red);
}

.problem-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(229, 57, 53, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
}

.problem-icon svg {
  width: 25px;
  height: 25px;
}

.problem-card-title {
  font-size: var(--size-h6);
  margin-bottom: 10px;
}

.problem-card p {
  color: var(--color-grey-text);
  font-size: var(--size-p);
}

/* ── SECTION 3: 3 Säulen ── */

.bereich-saeulen {
  padding: 100px 0;
  background: var(--color-white);
}

.saeule-cards {
  max-width: 1000px;
  margin: 50px auto 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.saeule-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-grey-border);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.saeule-card-header {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.saeule-nummer {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-light-gold);
  color: var(--color-dark-gold-text);
  font-weight: 600;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.saeule-card-header-text h3 {
  font-size: var(--size-h4);
}

.saeule-subtitle {
  color: var(--color-grey-text);
  font-size: var(--size-p);
  margin-top: 4px;
}

.saeule-card-body {
  background: var(--color-white);
  border-radius: 10px;
  padding: 25px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.saeule-card-body .btn-gold-small {
  width: fit-content;
}

.saeule-card-body .section-header {
  align-items: self-start;
  text-align: start;
}

.saeule-card-body h4 {
  font-size: var(--size-h5);
}

.saeule-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.saeule-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-grey-text);
  font-size: var(--size-p);
}

.saeule-list svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

/* ── Responsive ── */

@media (max-width: 768px) {
  .bereich-probleme-grid {
    grid-template-columns: 1fr;
  }
  .saeule-card-header {
    flex-direction: column;
  }
  .problem-card-title {
  font-size: 25px;
  }
}