/* ==========================================================================
   소리글 (Soriguel) 공식 랜딩 페이지 디자인 시스템 & 스타일시트
   ========================================================================== */

/* 1. 디자인 시스템 토큰 & 리셋 */
:root {
  /* 색상 팔레트 */
  --color-bg-primary: #FAF7F2;      /* 아늑하고 따뜻한 크림 베이지 */
  --color-bg-secondary: #F0ECE3;    /* 조금 더 진한 웜 샌드 */
  --color-bg-white: #FFFFFF;
  --color-bg-dark: #23201D;         /* 부드러운 차콜 브라운 */
  
  --color-text-main: #332D28;       /* 가독성 높은 다크 브라운 */
  --color-text-muted: #70655B;      /* 서브 텍스트용 브라운 그레이 */
  --color-text-white: #FFFFFF;
  
  --color-coral: #D96A4E;           /* 대표 코랄 포인트 (글쓰기/작가) */
  --color-coral-dark: #B54D33;
  --color-coral-light: #FBECE8;
  
  --color-green: #607D63;           /* 대표 세이지 그린 포인트 (음악/프로듀서) */
  --color-green-dark: #435A45;
  --color-green-light: #EEF3EF;
  
  --color-gold: #BCA374;            /* 에스테틱 골드 액센트 */
  --color-gold-light: #FAF6EE;
  --color-border: rgba(51, 45, 40, 0.1);
  
  /* 타이포그래피 */
  --font-serif: 'Nanum Myeongjo', 'Playfair Display', Georgia, serif;
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  
  /* 그림자 & 둥글기 */
  --shadow-sm: 0 2px 8px rgba(35, 32, 29, 0.05);
  --shadow-md: 0 10px 25px rgba(35, 32, 29, 0.08);
  --shadow-lg: 0 20px 40px rgba(35, 32, 29, 0.12);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  /* 전환 속도 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 글로벌 리셋 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 레이아웃 컨테이너 */
.max-width {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.max-width-md {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

/* 타이포그래피 유틸리티 */
.serif {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.font-alt {
  font-family: var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.coral-text { color: var(--color-coral); }
.green-text { color: var(--color-green); }
.bold { font-weight: 700; }
.mt-6 { margin-top: 48px; }
.mb-4 { margin-bottom: 24px; }
.mb-6 { margin-bottom: 36px; }

/* 배경 강도 조절 */
.bg-coral-light { background-color: var(--color-coral-light); color: var(--color-coral-dark); }
.bg-green-light { background-color: var(--color-green-light); color: var(--color-green-dark); }
.bg-gold-light { background-color: var(--color-gold-light); color: var(--color-gold); }

/* 버튼 디자인 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-coral);
  color: var(--color-text-white);
}

.btn-primary:hover {
  background-color: var(--color-coral-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  margin-left: 12px;
}

.btn-secondary:hover {
  background-color: var(--color-border);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-muted);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  color: var(--color-text-main);
  background-color: rgba(51, 45, 40, 0.03);
  border-color: var(--color-text-main);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-lg {
  font-size: 1.125rem;
  padding: 18px 36px;
  border-radius: var(--radius-sm);
}

.btn-sm {
  font-size: 0.875rem;
  padding: 10px 20px;
}

.shadow-btn {
  box-shadow: 0 8px 20px rgba(217, 106, 78, 0.25);
}

/* 링크 밑줄 강조 */
.highlight-underline {
  background: linear-gradient(180deg, transparent 60%, rgba(217, 106, 78, 0.15) 40%);
  font-weight: 700;
}


/* ==========================================================================
   2. 헤더 & 내비게이션 (Header & Nav)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(12px);
  border-b: 1px solid var(--color-border);
  transition: var(--transition-fast);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: rgba(250, 247, 242, 0.95);
}

.nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-text-main);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.logo-sub {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-coral);
}

.highlight-btn {
  background-color: var(--color-coral);
  color: var(--color-text-white) !important;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  box-shadow: 0 4px 12px rgba(217, 106, 78, 0.15);
}

.highlight-btn:hover {
  background-color: var(--color-coral-dark);
  box-shadow: 0 6px 16px rgba(217, 106, 78, 0.25);
  transform: translateY(-1px);
}

/* 모바일 햄버거 메뉴 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle .bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-main);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* 모바일 내비 드롭다운 */
.mobile-menu {
  display: none;
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  padding: 24px;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-link {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 1.1rem;
  display: block;
  padding: 8px 0;
}

.mobile-nav-link.apply-btn {
  background-color: var(--color-coral);
  color: var(--color-text-white);
  text-align: center;
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-top: 8px;
}


/* ==========================================================================
   3. 히어로 섹션 (Hero Section)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 180px 0 100px 0;
  overflow: hidden;
  background: linear-gradient(180deg, #FBF8F3 0%, #FAF5EC 100%);
}

.hero-bg-accent {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(217, 106, 78, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
}

.badge {
  display: inline-block;
  background-color: var(--color-coral-light);
  color: var(--color-coral-dark);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
  box-shadow: 0 2px 6px rgba(217, 106, 78, 0.05);
}

.hero-title {
  font-size: 3rem;
  line-height: 1.25;
  margin-bottom: 24px;
  color: var(--color-text-main);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.card-visual {
  background-color: var(--color-bg-white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(51, 45, 40, 0.03);
  position: relative;
}

.visual-badge {
  position: absolute;
  top: -12px;
  left: 32px;
  background-color: var(--color-gold);
  color: var(--color-text-white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 4px;
}

.visual-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 16px 0;
}

.visual-item .icon {
  font-size: 2rem;
  background-color: var(--color-bg-primary);
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.visual-item h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 4px;
  color: var(--color-text-main);
}

.visual-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.visual-divider {
  height: 1px;
  background-color: var(--color-border);
  margin: 12px 0;
}

/* 수치 통계 바 (Stats Bar) */
.stats-bar {
  margin-top: 100px;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background-color: rgba(255, 255, 255, 0.4);
}

.stats-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 24px;
}

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

.stat-number {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-coral);
  line-height: 1;
}

.stat-unit {
  font-size: 1.15rem;
  font-weight: 700;
  margin-left: 2px;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 8px;
  font-weight: 600;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background-color: var(--color-border);
}


/* ==========================================================================
   4. 소개 & 강사 섹션 (About & Coach)
   ========================================================================== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  padding-bottom: 4px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.25rem;
  line-height: 1.35;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.value-card {
  background-color: var(--color-bg-white);
  padding: 48px 36px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(51, 45, 40, 0.02);
  transition: var(--transition-normal);
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.value-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 28px;
}

.value-card h3 {
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.value-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  text-align: justify;
}


/* ==========================================================================
   5. 히스토리 타임라인 (History Timeline)
   ========================================================================== */
.history-section {
  background-color: var(--color-bg-secondary);
}

.timeline-container {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 24px 40px;
  box-sizing: border-box;
}

.timeline-item.left {
  left: 0;
  text-align: right;
}

.timeline-item.right {
  left: 50%;
  text-align: left;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  right: -7px;
  top: 36px;
  background-color: var(--color-bg-primary);
  border: 3px solid var(--color-gold);
  border-radius: 50%;
  z-index: 1;
}

.timeline-item.right::after {
  left: -7px;
}

.timeline-content {
  background-color: var(--color-bg-white);
  padding: 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(51, 45, 40, 0.02);
}

.timeline-date {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.timeline-content h4 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--color-text-main);
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* 더 보기 토글 패널 */
.hidden-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out;
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  margin-top: 32px;
}

.hidden-panel.open {
  max-height: 1000px;
}

.hidden-panel-content {
  padding: 40px 24px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-white);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.panel-card {
  padding: 16px;
}

.panel-card h5 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 8px;
}

.panel-card ul {
  list-style: none;
}

.panel-card li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 8px 0;
  border-bottom: 1px solid rgba(51, 45, 40, 0.04);
}


/* ==========================================================================
   6. 커리큘럼 섹션 (Curriculum Tabs)
   ========================================================================== */
.curriculum-section {
  background-color: var(--color-bg-primary);
}

.tabs-container {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.tab-btn {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 100px;
  border: 2px solid var(--color-border);
  background-color: var(--color-bg-white);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-text-main);
  border-color: var(--color-text-main);
}

.tab-btn.active {
  background-color: var(--color-text-main);
  color: var(--color-bg-primary);
  border-color: var(--color-text-main);
  box-shadow: var(--shadow-md);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn var(--transition-normal) forwards;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.curriculum-card {
  background-color: var(--color-bg-white);
  padding: 40px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(51, 45, 40, 0.02);
  transition: var(--transition-normal);
}

.curriculum-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.week-tag {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-coral);
  background-color: var(--color-coral-light);
  padding: 4px 12px;
  border-radius: 4px;
}

#producer-course .week-tag {
  color: var(--color-green);
  background-color: var(--color-green-light);
}

.coach-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-gold);
  background-color: var(--color-gold-light);
  padding: 4px 10px;
  border-radius: 4px;
}

.curriculum-card h3 {
  font-size: 1.35rem;
  margin-bottom: 24px;
}

.curriculum-card .light-text {
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.card-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-size: 1.25rem;
  line-height: 1;
}


/* ==========================================================================
   7. 혜택 & 강사 소개 (Benefits & Coach Details)
   ========================================================================== */
.benefits-section {
  background-color: var(--color-bg-secondary);
}

.benefits-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.benefits-text .section-tag {
  margin-bottom: 20px;
}

.benefits-text h2 {
  font-size: 2.25rem;
  line-height: 1.35;
  margin-bottom: 48px;
}

.benefit-item {
  display: flex;
  gap: 24px;
  margin-bottom: 36px;
}

.benefit-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-gold);
  line-height: 1;
}

.benefit-item h4 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.benefit-item p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* 강사 카드 디자인 */
.coach-profile-card {
  background-color: var(--color-bg-white);
  padding: 48px 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(51, 45, 40, 0.01);
  text-align: center;
}

.coach-avatar {
  width: 100px;
  height: 100px;
  background-color: var(--color-gold-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px auto;
  border: 3px solid var(--color-border);
}

.avatar-icon {
  font-size: 3rem;
}

.coach-profile-card h3 {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.coach-title {
  font-size: 0.85rem;
  color: var(--color-gold);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.coach-bio {
  text-align: left;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.coach-bio p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.coach-quote {
  font-style: italic;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-primary);
  padding: 16px;
  border-radius: var(--radius-sm);
}


/* ==========================================================================
   8. 후기 그리드 (Reviews Section)
   ========================================================================== */
.reviews-section {
  background-color: var(--color-bg-primary);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.review-card {
  background-color: var(--color-bg-white);
  padding: 40px 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(51, 45, 40, 0.02);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-rating {
  font-size: 1rem;
  margin-bottom: 16px;
}

.review-body {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  text-align: justify;
}

.review-user {
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(51, 45, 40, 0.06);
  padding-top: 16px;
}

.user-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text-main);
}

.user-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 4px;
}


/* ==========================================================================
   9. 요금 & 신청 폼 (Pricing & Apply)
   ========================================================================== */
.apply-section {
  background-color: var(--color-bg-secondary);
}

.apply-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto 48px auto;
}

.apply-meta-card {
  background-color: var(--color-bg-white);
  padding: 48px 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(51, 45, 40, 0.02);
  position: relative;
  display: flex;
  flex-direction: column;
}

.apply-meta-card.highlight-card {
  border: 2px solid var(--color-green);
  box-shadow: var(--shadow-lg);
}

.card-status {
  position: absolute;
  top: -12px;
  left: 36px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  color: var(--color-text-white);
}

.status-open {
  background-color: var(--color-coral);
}

.highlight-card .status-open {
  background-color: var(--color-green);
}

.apply-meta-card h3 {
  font-size: 1.35rem;
  margin-bottom: 20px;
  margin-top: 8px;
}

.card-price {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
}

.price-original {
  font-size: 1rem;
  text-decoration: line-through;
  color: var(--color-text-muted);
}

.price-discount {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--color-text-main);
  line-height: 1.2;
}

.price-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  background-color: var(--color-coral-light);
  color: var(--color-coral-dark);
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 4px;
}

.highlight-card .price-tag {
  background-color: var(--color-green-light);
  color: var(--color-green-dark);
}

.meta-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
}

.meta-details li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.meta-details li strong {
  color: var(--color-text-main);
  display: inline-block;
  width: 90px;
}

/* 더블 할인 박스 */
.benefit-box {
  background-color: var(--color-gold-light);
  border: 1px dashed var(--color-gold);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  margin-bottom: 64px;
}

.benefit-box h4 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.double-price {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 16px 0;
}

.price-final {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-coral);
}

.sub-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* 수강 신청 폼 */
.apply-form-container {
  background-color: var(--color-bg-white);
  padding: 56px 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(51, 45, 40, 0.02);
  margin-bottom: 48px;
}

.form-group {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group textarea {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-primary);
  color: var(--color-text-main);
  transition: var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-coral);
  background-color: var(--color-bg-white);
  box-shadow: 0 0 0 3px rgba(217, 106, 78, 0.1);
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.radio-label input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-coral);
  cursor: pointer;
}

.radio-label span {
  font-size: 0.95rem;
  font-weight: 600;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-coral);
  cursor: pointer;
}

.checkbox-label span {
  font-size: 0.9rem;
  font-weight: 600;
}

.error-msg {
  display: none;
  font-size: 0.8rem;
  color: #D9381E;
  margin-top: 4px;
  font-weight: 600;
}

.form-group.error input,
.form-group.error checkbox {
  border-color: #D9381E;
}

.form-group.error .error-msg {
  display: block;
}

.payment-info {
  margin-top: 40px;
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  text-align: center;
}

.payment-info p {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.account-num {
  font-family: var(--font-sans);
  font-weight: 800;
  color: var(--color-coral);
  font-size: 1.1rem;
}

.payment-info .sub {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* 주의사항 토글 */
.caution-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  margin-top: 20px;
}

.caution-content.open {
  max-height: 1000px;
}

.caution-card {
  background-color: var(--color-bg-white);
  padding: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.caution-card h4 {
  font-size: 1.05rem;
  margin-top: 24px;
  margin-bottom: 8px;
}

.caution-card h4:first-child {
  margin-top: 0;
}

.caution-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}


/* ==========================================================================
   10. 자주 묻는 질문 FAQ (Accordion)
   ========================================================================== */
.faq-section {
  background-color: var(--color-bg-primary);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(51, 45, 40, 0.02);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: var(--transition-fast);
}

.faq-trigger:hover {
  background-color: var(--color-gold-light);
}

.faq-q {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text-main);
  padding-right: 20px;
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-coral);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  background-color: var(--color-bg-white);
}

.faq-answer p {
  padding: 0 32px 32px 32px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  text-align: justify;
}


/* ==========================================================================
   11. 마지막 결의 CTA (Final CTA)
   ========================================================================== */
.final-cta {
  background-color: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: 120px 0;
  position: relative;
}

.final-cta h2 {
  font-size: 2.5rem;
  line-height: 1.35;
  margin-bottom: 24px;
}

.final-cta p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 48px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.contact-details {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.4);
}


/* ==========================================================================
   12. 신청 성공 모달 (Success Modal)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(35, 32, 29, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none; /* JS 제어 */
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-content {
  background-color: var(--color-bg-white);
  padding: 48px;
  border-radius: var(--radius-lg);
  max-width: 540px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  position: relative;
  text-align: center;
  animation: modalIn var(--transition-normal) forwards;
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 2rem;
  font-weight: 300;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text-main);
}

.modal-icon {
  font-size: 4rem;
  margin-bottom: 20px;
}

.modal-content h3 {
  font-size: 1.65rem;
  margin-bottom: 12px;
}

.modal-message {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.modal-info-box {
  background-color: var(--color-bg-primary);
  border: 1px dashed var(--color-border);
  padding: 24px;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  text-align: left;
}

.modal-info-box p {
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.modal-info-box .account {
  font-weight: 800;
  color: var(--color-coral);
  font-size: 1.05rem;
  margin-bottom: 12px;
}

.modal-info-box .sub-alert {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}


/* ==========================================================================
   13. 푸터 (Footer)
   ========================================================================== */
.footer {
  background-color: #1A1816;
  color: rgba(255, 255, 255, 0.6);
  padding: 80px 0 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  padding-bottom: 60px;
}

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-text-white);
  margin-bottom: 8px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 460px;
}

.footer-links h4 {
  font-size: 0.9rem;
  color: var(--color-text-white);
  margin-bottom: 20px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links li {
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 32px 24px;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.3);
}

.disclaimer {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.3);
}


/* ==========================================================================
   14. 반응형 미디어 쿼리 (Responsive Queries)
   ========================================================================== */

/* 태블릿 (1024px 이하) */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  
  .hero-cta-group {
    justify-content: center;
  }
  
  .value-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .curriculum-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .benefits-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* 모바일 (768px 이하) */
@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
  
  .hero-section {
    padding: 140px 0 60px 0;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .stats-container {
    flex-direction: column;
    gap: 24px;
  }
  
  .stat-divider {
    width: 60px;
    height: 1px;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-menu.open {
    display: block;
  }
  
  .timeline-line {
    left: 24px;
  }
  
  .timeline-item {
    width: 100%;
    padding-left: 56px;
    padding-right: 0;
    text-align: left !important;
  }
  
  .timeline-item.right {
    left: 0;
  }
  
  .timeline-item::after {
    left: 17px !important;
    right: auto !important;
  }
  
  .apply-meta-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .apply-form-container {
    padding: 32px 24px;
  }
  
  .caution-card {
    padding: 24px;
  }
  
  .flex-between {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .tab-btn {
    font-size: 0.9rem;
    padding: 12px 24px;
  }
}


/* ==========================================================================
   15. 애니메이션 정의
   ========================================================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* 스크롤 애니메이션 클래스 */
.scroll-anim {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-anim.appear {
  opacity: 1;
  transform: translateY(0);
}