/* assets/css/suritamgu-signature.css */
/* 수리탐구 시그니처 과정 전용 스타일 */

/* ========== 메인 레이아웃 ========== */
.signature-main {
  padding: 0;
  background: var(--bg-white);
  min-height: calc(100vh - 140px);
}

/* ========== 히어로 섹션 ========== */
.hero-section {
  padding: 100px 0 80px;
  background: linear-gradient(180deg, #f8f9fc 0%, #ffffff 100%);
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-label {
  display: inline-block;
  padding: 8px 20px;
  background: var(--primary-color);
  color: white;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  margin-bottom: 24px;
}

.title-sub {
  display: block;
  font-size: 24px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.title-main {
  display: block;
  font-size: 48px;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1.3;
}

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 50px;
}

/* ========== 타임라인 비주얼 (반응형 개선) ========== */
.timeline-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.timeline-item {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 20px 30px;
  text-align: center;
  transition: all 0.3s ease;
  min-width: 140px;
  flex: 0 1 auto;
}

.timeline-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.timeline-item.highlight {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.timeline-label {
  display: block;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-duration {
  display: block;
  font-size: 14px;
  font-weight: 500;
  opacity: 0.8;
}

.timeline-arrow {
  font-size: 24px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

/* ========== 국내 유일 고등연계 섹션 ========== */
.unique-textbook-section {
  padding: 100px 0;
  background: white;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 12px;
}

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

.unique-features {
  display: flex;
  flex-direction: column;
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-secondary);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.feature-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 30px;
}

.feature-number {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  flex-shrink: 0;
}

.feature-header h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
}

/* 개념 플로우 */
.concept-flow {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 30px;
}

.concept-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.concept-item.highlight {
  background: #fff3cd;
  border-color: #ffc107;
}

.concept-grade {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-color);
  min-width: 80px;
}

.concept-desc {
  font-size: 16px;
  color: var(--text-primary);
}

.flow-arrow {
  text-align: center;
  font-size: 20px;
  color: var(--primary-color);
}

/* 예시 박스 */
.example-box {
  background: linear-gradient(to bottom, #fff8e1, #ffffff);
  border: 2px solid #f59e0b;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
  position: relative;
}

.example-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 24px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.example-compare {
  display: flex;
  align-items: stretch;
  gap: 20px;
  margin-bottom: 24px;
}

.example-item {
  flex: 1;
  padding: 20px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.example-item.suritamgu {
  border: 2px solid var(--secondary-color);
  background: linear-gradient(to bottom, #f0f4ff, #ffffff);
}

.example-item.high-school {
  border: 2px solid #e74c3c;
  background: linear-gradient(to bottom, #fee, #ffffff);
}

.example-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.example-item .grade {
  display: block;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.example-item.suritamgu .grade {
  color: var(--secondary-color);
}

.example-item.high-school .grade {
  color: #e74c3c;
}

.example-item .problem {
  display: block;
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.6;
}

.example-item .problem strong {
  color: #e74c3c;
  font-weight: 800;
  background: #fee5e5;
  padding: 2px 6px;
  border-radius: 4px;
}

.example-arrow {
  font-size: 28px;
  color: var(--accent-color);
  display: flex;
  align-items: center;
  font-weight: bold;
}

.example-insight {
  font-size: 15px;
  color: var(--text-primary);
  text-align: center;
  margin: 0;
  padding: 16px;
  background: #fff3cd;
  border-radius: 12px;
  border: 1px solid #ffc107;
  line-height: 1.6;
}

.example-insight strong {
  color: var(--primary-color);
  font-weight: 700;
}

.insight-label {
  display: inline-block;
  background: var(--primary-color);
  color: white !important;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-right: 8px;
}

/* 실시간 연결 */
.realtime-connection h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 24px;
  text-align: center;
}

.connection-example {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
  padding: 24px;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.current-learning,
.school-learning {
  flex: 1;
  text-align: center;
}

.current-learning .label,
.school-learning .label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.current-learning .content,
.school-learning .content {
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: 8px;
}

.connection-example .connection-arrow {
  font-size: 32px;
  color: var(--secondary-color);
}

.teacher-role {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: #e3f2fd;
  border-radius: 12px;
  border: 1px solid #2196f3;
  position: relative;
}

.teacher-role::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #2196f3 0%, #1976d2 100%);
  border-radius: 12px 12px 0 0;
}

.teacher-role .icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.teacher-role .icon svg {
  width: 32px;
  height: 32px;
  fill: var(--primary-color);
}

.teacher-role .text p {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 12px;
}

.teacher-role ul {
  list-style: none;
  padding: 0;
}

.teacher-role li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.5;
}

.teacher-role li:before {
  content: '•';
  position: absolute;
  left: 8px;
  color: var(--secondary-color);
}

/* 타이밍 비주얼 */
.timing-visual h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 24px;
  text-align: center;
}

.timing-table {
  background: white;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
}

.timing-row {
  display: grid;
  grid-template-columns: 60px 180px 40px 1fr;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}

.timing-row:last-child {
  border-bottom: none;
}

.timing-row.highlight {
  background: #fff3cd;
  margin: 0 -24px;
  padding-left: 24px;
  padding-right: 24px;
}

.timing-row .grade {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-color);
}

.timing-row .suritamgu {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.timing-row .arrow {
  text-align: center;
  color: var(--text-secondary);
}

.timing-row .preview {
  font-size: 14px;
  color: var(--text-secondary);
}

.timing-row.highlight .preview {
  color: #856404;
  font-weight: 600;
}

.timing-insight {
  text-align: center;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  padding: 20px;
  background: #f0f7ff;
  border-radius: 12px;
  margin: 0;
}

/* ========== 차원이 다른 구성 섹션 ========== */
.different-structure-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.structure-features {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.structure-card {
  background: white;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.structure-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 30px;
  text-align: center;
}

/* 3단계 학습 구조 */
.three-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
}

.step-item {
  text-align: center;
  flex: 1;
}

.step-circle {
  width: 120px;
  height: 120px;
  margin: 0 auto 16px;
  background: var(--bg-secondary);
  border: 3px solid var(--primary-color);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.step-item:hover .step-circle {
  background: var(--primary-color);
  color: white;
}

.step-number {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 4px;
}

.step-name {
  font-size: 14px;
  font-weight: 600;
}

.step-korean {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.step-arrow {
  font-size: 24px;
  color: var(--text-secondary);
}

.structure-highlight {
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  color: var(--secondary-color);
  padding: 16px;
  background: #e3f2fd;
  border-radius: 8px;
  margin-top: 20px;
}

/* Mission+ 시스템 */
.mission-visual {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 30px;
}

.mission-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
}

.mission-item {
  text-align: center;
  padding: 20px 30px;
  background: white;
  border-radius: 12px;
  border: 2px solid var(--border-color);
}

.mission-item.current {
  border-color: var(--primary-color);
}

.mission-item.review {
  border-color: var(--secondary-color);
}

.mission-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.mission-book {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-color);
}

.mission-arrow {
  font-size: 36px;
  color: var(--secondary-color);
}

.mission-benefits {
  list-style: none;
  padding: 0;
}

.mission-benefits li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--text-primary);
}

.mission-benefits li:before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: 700;
}

/* 48권 연결 시스템 */
.connection-grid {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 20px;
}

.grid-header {
  display: grid;
  grid-template-columns: 100px 1fr 1fr 1fr 1fr;
  gap: 0;
  margin-bottom: 30px;
  font-weight: 700;
  color: var(--primary-color);
  align-items: center;
  text-align: center;
}

.grid-header span:not(:first-child) {
  position: relative;
}

.grid-body {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.grid-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  align-items: center;
}

.subject {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.subject-flow {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto 1fr auto;
  align-items: center;
  position: relative;
}

.flow-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-color);
  z-index: 2;
  position: relative;
}

.flow-dot.mono {
  background: #27ae60;
}
.flow-dot.di {
  background: #3498db;
}
.flow-dot.tri {
  background: #e67e22;
}
.flow-dot.tetra {
  background: #9b59b6;
}

.flow-line {
  height: 2px;
  background: var(--border-color);
  margin: 0 -8px;
  z-index: 1;
}

/* ========== 교재 비교 섹션 ========== */
.textbook-preview-section {
  padding: 100px 0;
  background: white;
}

.comparison-container {
  max-width: 1200px;
  margin: 0 auto;
}

.comparison-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 40px;
  margin-bottom: 50px;
}

.comparison-title {
  text-align: center;
  padding: 20px;
  border-radius: 12px;
}

.comparison-title.general {
  background: #f8f9fa;
  border: 2px solid #dee2e6;
}

.comparison-title.suritamgu {
  background: linear-gradient(135deg, #f0f4ff 0%, #e0e7ff 100%);
  border: 2px solid var(--secondary-color);
}

.comparison-title .label {
  display: block;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.comparison-title.general .label {
  color: #6c757d;
}

.comparison-title.suritamgu .label {
  color: var(--secondary-color);
}

.comparison-title .desc {
  font-size: 14px;
  color: var(--text-secondary);
}

.vs-divider {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-color);
}

/* 비교 내용 */
.comparison-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: stretch;
}

.example-box {
  padding: 30px;
  border-radius: 16px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.example-box.general {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
}

.example-box.suritamgu {
  background: linear-gradient(to bottom, #f0f4ff, #ffffff);
  border: 2px solid var(--secondary-color);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.example-box h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.example-box.general h4 {
  color: #495057;
}

.example-box.suritamgu h4 {
  color: var(--secondary-color);
}

.example-box .problem {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 24px;
  padding: 16px;
  background: white;
  border-radius: 8px;
  border: 1px solid #e9ecef;
  min-height: 80px;
}

.example-box .problem strong {
  color: #e74c3c;
  font-weight: 700;
}

.approach {
  margin-bottom: auto;
}

.approach h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.approach p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.result {
  margin-top: 20px;
  padding: 12px 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.example-box.general .result {
  background: #e9ecef;
}

.example-box.suritamgu .result {
  background: var(--accent-color);
  color: white;
}

.result-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  opacity: 0.8;
}

.result-text {
  font-size: 14px;
  font-weight: 600;
}

.comparison-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--accent-color);
  font-weight: bold;
}

/* 요약 섹션 */
.comparison-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
  padding: 40px;
  background: var(--bg-secondary);
  border-radius: 20px;
  border: 2px solid var(--border-color);
}

.summary-item {
  text-align: center;
}

.summary-item .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  border-radius: 14px;
}

.summary-item .icon svg {
  width: 32px;
  height: 32px;
  fill: white;
}

.summary-item h4 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary-color);
}

.summary-item p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
}

.summary-item strong {
  color: var(--secondary-color);
  font-weight: 700;
}

/* 반응형 */
@media (max-width: 768px) {
  .comparison-header {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .vs-divider {
    display: none;
  }

  .comparison-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .comparison-arrow {
    transform: rotate(90deg);
    margin: 20px 0;
  }

  .example-box {
    padding: 20px;
  }

  .comparison-summary {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 30px 20px;
  }

  .summary-item .icon {
    font-size: 36px;
  }
}

/* ========== CTA 섹션 ========== */
.cta-section {
  padding: 100px 0;
  background: var(--primary-color);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-subtitle {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 40px;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-button {
  padding: 16px 32px;
  border: 2px solid white;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  background: transparent;
  color: white;
  min-width: 200px;
}

.cta-button:hover {
  background: white;
  color: var(--primary-color);
  transform: translateY(-2px);
}

.cta-button.primary {
  background: white;
  color: var(--primary-color);
}

.cta-button.primary:hover {
  background: #f3f4f6;
}

/* ========== 반응형 스타일 ========== */
@media (max-width: 768px) {
  .hero-section {
    padding: 60px 0 50px;
  }

  .title-sub {
    font-size: 20px;
  }

  .title-main {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 16px;
  }

  /* 타임라인 반응형 */
  .timeline-visual {
    flex-direction: column;
    gap: 16px;
    align-items: center;
  }

  .timeline-item {
    width: 100%;
    max-width: 280px;
  }

  .timeline-arrow {
    display: none;
  }

  /* 세로 화살표 추가 */
  .timeline-item:not(:last-child)::after {
    content: '↓';
    display: block;
    font-size: 20px;
    color: var(--text-secondary);
    margin-top: 16px;
    text-align: center;
  }

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

  .feature-header {
    flex-direction: column;
    text-align: center;
  }

  .feature-header h3 {
    font-size: 20px;
  }

  .example-compare {
    flex-direction: column;
  }

  .example-arrow {
    transform: rotate(90deg);
  }

  .three-steps {
    flex-direction: column;
    gap: 30px;
  }

  .step-arrow {
    transform: rotate(90deg);
  }

  .mission-flow {
    flex-direction: column;
  }

  .mission-arrow {
    transform: rotate(90deg);
  }

  .preview-tabs {
    flex-direction: column;
  }

  .tab-button {
    width: 100%;
  }

  /* 타이밍 테이블 모바일 */
  .timing-table {
    padding: 16px;
  }

  .timing-row {
    grid-template-columns: 1fr;
    gap: 8px;
    text-align: center;
    padding: 20px 0;
  }

  .timing-row .grade {
    font-size: 16px;
  }

  .timing-row .suritamgu {
    font-size: 15px;
  }

  .timing-row .arrow {
    font-size: 18px;
  }

  .timing-row .preview {
    font-size: 14px;
    background: var(--bg-tertiary);
    padding: 8px 12px;
    border-radius: 8px;
  }

  .timing-row.highlight {
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
  }

  .timing-visual h4 {
    font-size: 18px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .unique-textbook-section,
  .different-structure-section,
  .textbook-preview-section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .timeline-item {
    padding: 16px 20px;
  }

  .timeline-label {
    font-size: 18px;
  }

  .timeline-duration {
    font-size: 13px;
  }

  .feature-card,
  .structure-card {
    padding: 24px;
  }

  .step-circle {
    width: 100px;
    height: 100px;
  }

  .step-number {
    font-size: 28px;
  }

  /* 48권 연결 그리드 모바일 */
  .connection-grid {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .grid-header {
    display: grid;
    grid-template-columns: 80px repeat(4, 50px);
    gap: 8px;
    font-size: 11px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
  }

  .grid-row {
    grid-template-columns: 80px 1fr;
    gap: 12px;
    padding: 12px 0;
  }

  .subject {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    text-align: left;
  }

  .subject-flow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 4px;
  }

  .flow-dot {
    width: 12px;
    height: 12px;
  }

  .flow-line {
    flex: 1;
    height: 2px;
    margin: 0;
  }

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

  .cta-subtitle {
    font-size: 16px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-button {
    width: 100%;
    max-width: 280px;
  }

  /* 교사 역할 섹션 모바일 */
  .teacher-role {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }

  .teacher-role .icon {
    margin: 0 auto 16px;
  }

  .teacher-role .text p {
    font-size: 15px;
  }

  .teacher-role li {
    font-size: 14px;
    text-align: left;
  }

  /* 실시간 연결 섹션 모바일 */
  .realtime-connection {
    padding: 20px;
  }

  .realtime-connection h4 {
    font-size: 16px;
  }

  /* 인사이트 박스 모바일 */
  .example-insight,
  .timing-insight {
    font-size: 14px;
    padding: 14px;
  }

  .insight-label {
    display: block;
    margin-bottom: 8px;
    margin-right: 0;
  }

  /* 비교 섹션 모바일 */
  .comparison-section {
    padding: 60px 0;
  }

  .example-box h4 {
    font-size: 16px;
  }

  .example-box .problem {
    font-size: 14px;
  }

  /* 요약 아이템 모바일 */
  .summary-item h4 {
    font-size: 18px;
  }

  .summary-item p {
    font-size: 14px;
  }
}