/* ================================================================
   How It Works — Standalone Page — Mobile-First
   ================================================================ */

/* --- Steps Detail Section --- */
.steps-detail-section {
  padding: 48px 16px;
  max-width: 800px;
  margin: 0 auto;
}

.step-detail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border-color-light, #e5e7eb);
}

.step-detail:last-child {
  border-bottom: none;
}

.step-number-badge {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-primary-on-dark, #fff);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
}

.step-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.step-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.step-tip {
  font-size: 0.88rem !important;
  color: var(--color-primary-dark, #b45309) !important;
  font-style: italic;
  background: var(--color-primary-lighter, #fef3c7);
  padding: 10px 14px;
  border-radius: var(--border-radius, 8px);
  border-left: 3px solid var(--color-primary, #e67e22);
}

/* --- Guest Experience Section --- */
.guest-experience-section {
  padding: 48px 16px;
  background: var(--color-gray-50, #f8f9fa);
}

.guest-experience-section h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  font-size: 0.95rem;
  line-height: 1.5;
}

.guest-features-list {
  list-style: none;
  padding: 0;
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.guest-features-list li {
  padding: 14px 16px 14px 48px;
  background: var(--color-surface, #fff);
  border: 1px solid var(--border-color-light, #e5e7eb);
  border-radius: var(--border-radius, 8px);
  font-size: 0.95rem;
  color: var(--text-primary);
  position: relative;
}

.guest-features-list li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  top: 14px;
  color: var(--color-success, #10b981);
  font-weight: 700;
  font-size: 1.1rem;
}

/* --- Placement Tips Section --- */
.placement-tips-section {
  padding: 48px 16px;
}

.placement-tips-section h2 {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.placement-tips-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.placement-tip-card {
  background: var(--color-surface, #fff);
  border: 1px solid var(--border-color-light, #e5e7eb);
  border-radius: var(--border-radius-lg, 12px);
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.placement-tip-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg, 0 8px 24px rgba(0, 0, 0, 0.08));
}

.placement-tip-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.placement-tip-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================================
   TABLET >= 640px
   ============================================================ */
@media (min-width: 640px) {
  .steps-detail-section {
    padding: 64px 24px;
  }

  .step-detail {
    flex-direction: row;
    gap: 24px;
    align-items: flex-start;
  }

  .guest-experience-section {
    padding: 64px 24px;
  }

  .placement-tips-section {
    padding: 64px 24px;
  }

  .placement-tips-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   DESKTOP >= 1024px
   ============================================================ */
@media (min-width: 1024px) {
  .steps-detail-section {
    padding: 80px 24px;
  }

  .step-content h2 {
    font-size: 1.4rem;
  }

  .guest-experience-section {
    padding: 80px 24px;
  }

  .guest-experience-section h2,
  .placement-tips-section h2 {
    font-size: 1.8rem;
  }

  .placement-tips-section {
    padding: 80px 24px;
  }

  .placement-tips-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}