/* Interactive Tabs CSS */

.how-section {
  padding: 80px 0;
}

.tabs-container {
  max-width: 900px;
  margin: 0 auto;
}

.tabs-header {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  padding-bottom: 16px;
  flex-wrap: wrap;
}

.tab-btn {
  background: none;
  border: none;
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-secondary, #475569);
  padding: 8px 20px;
  cursor: pointer;
  position: relative;
  transition: var(--transition-smooth);
}

.tab-btn.active {
  color: var(--color-accent, #00d2c4);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -17px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-accent, #00d2c4);
  border-radius: 3px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.tab-flex {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 48px;
}

.tab-text h3 {
  font-size: 1.75rem;
  margin-bottom: 18px;
  color: var(--text-primary, #0f172a);
}

.tab-text p {
  color: var(--text-secondary, #64748b);
  margin-bottom: 24px;
  line-height: 1.6;
}

.check-list,
.tab-text .check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.check-list li,
.tab-text .check-list li {
  position: relative;
  padding-left: 20px;
  font-weight: 500;
  color: var(--text-primary, #0f172a);
  font-size: 0.95rem;
  text-align: left;
}

.check-list li::before,
.tab-text .check-list li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 9px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent, #00d2c4);
  border-radius: 50%;
}

.tab-visual {
  background-color: var(--bg-secondary, #f8fafc);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--border-radius-md, 16px);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab-visual img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

@media (max-width: 992px) {
  .tab-flex {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
  }

  .tab-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .check-list,
  .tab-text .check-list {
    display: inline-flex;
    align-items: flex-start;
    text-align: left;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .how-section {
    padding: 50px 0;
  }

  .tabs-header {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
    gap: 8px;
    padding: 4px 4px 14px 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-border, #e2e8f0);
    scrollbar-width: none;
  }

  .tabs-header::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 0.88rem;
    white-space: nowrap;
    border-radius: 20px;
    background: #f8fafc;
    border: 1px solid var(--color-border, #e2e8f0);
    color: var(--text-secondary, #475569);
  }

  .tab-btn.active {
    background: var(--color-accent-light, #e0f2fe);
    border-color: var(--color-accent, #00d2c4);
    color: var(--color-accent, #00d2c4);
    font-weight: 700;
  }

  .tab-btn.active::after {
    display: none;
  }

  .tab-text h3 {
    font-size: 1.4rem;
    line-height: 1.35;
  }

  .tab-text p {
    font-size: 0.92rem;
  }

  .check-list li,
  .tab-text .check-list li {
    font-size: 0.9rem;
  }

  .tab-visual {
    padding: 20px;
  }
}