/* =============================================
   AdSense Academy Thailand — Landing Page
   태국 타겟 랜딩페이지 스타일시트
   Mobile-First / BEM / CSS Variables
   ============================================= */

/* ---------------------------------------------
   1. CSS 변수 (디자인 토큰)
   --------------------------------------------- */
:root {
  /* 색상 — 신뢰성 있는 네이비 + 프리미엄 골드 */
  --color-primary: #1a2b4a;
  --color-primary-dark: #0f1d36;
  --color-primary-light: #2a3f66;
  --color-accent: #d4a017;
  --color-accent-dark: #b88a12;
  --color-accent-light: #e8bc3f;

  --color-bg: #fafafa;
  --color-bg-alt: #f4f6fa;
  --color-white: #ffffff;

  --color-text: #1a1a1a;
  --color-text-muted: #666666;
  --color-text-light: #999999;

  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-border: #e5e7eb;

  /* 타이포그래피 */
  --font-thai: 'Noto Sans Thai', 'Inter', -apple-system, sans-serif;
  --font-kr: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Inter', -apple-system, sans-serif;

  /* 간격 */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* 반경 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* 그림자 */
  --shadow-sm: 0 2px 8px rgba(26, 43, 74, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 43, 74, 0.08);
  --shadow-lg: 0 16px 48px rgba(26, 43, 74, 0.12);
  --shadow-xl: 0 24px 64px rgba(26, 43, 74, 0.16);
  --shadow-gold: 0 8px 24px rgba(212, 160, 23, 0.25);

  /* 트랜지션 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;

  /* 컨테이너 */
  --container-max: 1200px;
  --container-narrow: 800px;
}

/* ---------------------------------------------
   2. 리셋 & 베이스
   --------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-thai);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

/* 접근성 — focus 상태 */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------------------------------------------
   3. 레이아웃 유틸
   --------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-2xl) 0;
}

.section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-xl);
}

.section__eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.section__title--light {
  color: var(--color-white);
}

.section__description {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.text-gold {
  color: var(--color-accent);
}

/* ---------------------------------------------
   4. 버튼 시스템
   --------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

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

.btn--gold {
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: var(--shadow-gold);
}

.btn--gold:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(212, 160, 23, 0.35);
}

.btn--large {
  padding: 1.125rem 2.25rem;
  font-size: 1.125rem;
}

.btn--xlarge {
  padding: 1.375rem 2.75rem;
  font-size: 1.25rem;
  border-radius: var(--radius-lg);
}

.btn--small {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
}

.btn--full {
  width: 100%;
}

/* ---------------------------------------------
   5. HEADER
   --------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-md);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.125rem;
}

.header__logo-icon {
  font-size: 1.5rem;
}

.header__nav {
  display: none;
  gap: var(--space-lg);
}

.header__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
}

.header__link:hover {
  color: var(--color-accent);
}

.header__cta {
  margin-left: auto;
}

@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }
  .header__cta {
    margin-left: 0;
  }
}

/* ---------------------------------------------
   6. HERO SECTION
   --------------------------------------------- */
.hero {
  position: relative;
  padding: var(--space-2xl) 0 var(--space-3xl);
  background: linear-gradient(135deg, #fafafa 0%, #f4f6fa 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 160, 23, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  gap: var(--space-2xl);
  align-items: center;
}

.hero__content {
  max-width: 640px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-white);
  color: var(--color-primary);
  padding: 0.625rem 1.125rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: clamp(1.875rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.hero__highlight {
  color: var(--color-accent);
  position: relative;
  display: inline-block;
}

.hero__highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(212, 160, 23, 0.2);
  z-index: -1;
  border-radius: 4px;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.hero__bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.hero__bullets li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  color: var(--color-text);
}

.hero__check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--color-success);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.hero__cta-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero__guarantee {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.hero__social-proof {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.hero__avatars {
  display: flex;
}

.hero__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  border: 3px solid var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  margin-left: -8px;
}

.hero__avatar:first-child {
  margin-left: 0;
}

.hero__social-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.hero__stars {
  color: var(--color-accent);
  font-size: 0.9375rem;
  letter-spacing: 1px;
}

.hero__visual {
  position: relative;
}

.hero__stat-card {
  position: absolute;
  background: var(--color-white);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero__stat-card--1 {
  top: 6%;
  right: -10px;
}

.hero__stat-card--2 {
  bottom: 10%;
  left: -10px;
}

.hero__stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-thai);
}

.hero__stat-value {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-accent);
  font-family: var(--font-en);
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
  }
  .hero__cta-group {
    flex-direction: row;
    align-items: center;
  }
  .hero__stat-value {
    font-size: 1.5rem;
  }
}

/* ---------------------------------------------
   7. IMAGE PLACEHOLDER
   --------------------------------------------- */
.image-placeholder {
  background: var(--color-bg-alt);
  border: 2px dashed #c8cbd4;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  min-height: 200px;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-align: center;
}

.image-placeholder--hero {
  min-height: 400px;
  aspect-ratio: 4/5;
}

.image-placeholder--circle {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  min-height: auto;
  margin: 0 auto;
  font-size: 1rem;
}

.image-placeholder--avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  min-height: auto;
  padding: 0;
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* ---------------------------------------------
   8. PROBLEM SECTION
   --------------------------------------------- */
.problem {
  background: var(--color-white);
}

.problem__grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

.problem__card {
  background: var(--color-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.problem__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.problem__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.problem__card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.problem__card-text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

@media (min-width: 768px) {
  .problem__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .problem__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------------------------------------------
   9. AGITATE SECTION
   --------------------------------------------- */
.agitate {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
}

.agitate__inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.agitate__lead {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-lg);
}

.agitate__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  text-align: left;
}

.agitate__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.05);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
}

.agitate__item p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

.agitate__x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning);
  border-radius: 50%;
  font-weight: 700;
  flex-shrink: 0;
}

.agitate__conclusion {
  font-size: 1.125rem;
  color: var(--color-white);
  line-height: 1.7;
  padding: var(--space-md);
  background: rgba(212, 160, 23, 0.12);
  border-radius: var(--radius-md);
  border: 1px solid rgba(212, 160, 23, 0.3);
}

.agitate__conclusion strong {
  color: var(--color-accent);
}

/* ---------------------------------------------
   10. SOLUTION SECTION
   --------------------------------------------- */
.solution {
  background: var(--color-bg);
}

.solution__grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

.solution__card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.solution__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.solution__number {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.solution__card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.solution__card p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

@media (min-width: 768px) {
  .solution__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------------------------------------------
   11. INSTRUCTOR SECTION
   --------------------------------------------- */
.instructor {
  background: var(--color-white);
}

.instructor__grid {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.instructor__visual {
  position: relative;
  text-align: center;
}

.instructor__badge {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  display: inline-block;
  margin-top: var(--space-md);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-accent);
}

.instructor__badge-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.instructor__badge-value {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  margin: 0.25rem 0;
}

.instructor__badge-note {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
}

.instructor__text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-md);
}

.instructor__text strong {
  color: var(--color-accent);
  font-weight: 700;
}

.instructor__credentials {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.instructor__cred {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.instructor__cred-icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.instructor__cred strong {
  display: block;
  font-family: var(--font-en);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
}

.instructor__cred span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

@media (min-width: 1024px) {
  .instructor__grid {
    grid-template-columns: 0.8fr 1.2fr;
  }
  .instructor__credentials {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------------------------------------------
   12. WHAT YOU GET SECTION
   --------------------------------------------- */
.what-you-get {
  background: var(--color-bg-alt);
}

.wyg__grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-xl);
}

.wyg__card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.wyg__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.wyg__card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.wyg__badge {
  position: absolute;
  top: -12px;
  right: var(--space-md);
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.wyg__icon {
  width: 64px;
  height: 64px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.wyg__card--featured .wyg__icon {
  background: rgba(212, 160, 23, 0.12);
}

.wyg__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.wyg__list {
  margin-bottom: var(--space-md);
}

.wyg__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.375rem 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.wyg__list li span {
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

.wyg__value {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  font-family: var(--font-en);
  padding: 0.375rem 0.75rem;
  background: rgba(212, 160, 23, 0.1);
  border-radius: var(--radius-sm);
}

.wyg__total {
  background: var(--color-white);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
}

.wyg__total-label {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.wyg__total-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
  font-family: var(--font-en);
}

.wyg__total-strike {
  font-size: 1.5rem;
  color: var(--color-text-light);
  text-decoration: line-through;
  font-weight: 500;
}

.wyg__total-final {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent);
}

.wyg__total-save {
  display: inline-block;
  background: var(--color-success);
  color: var(--color-white);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
}

@media (min-width: 768px) {
  .wyg__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------------------------------------------
   13. TESTIMONIALS SECTION
   --------------------------------------------- */
.testimonials {
  background: var(--color-white);
}

.testimonials__grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}

.testimonial {
  background: var(--color-bg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.testimonial:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.testimonial__stars {
  color: var(--color-accent);
  font-size: 1.125rem;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.testimonial__quote {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  font-style: italic;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.testimonial__name {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.9375rem;
}

.testimonial__role {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------------------------------------------
   14. PRICING SECTION
   --------------------------------------------- */
.pricing {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.pricing__card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-xl);
  border: 3px solid var(--color-accent);
  position: relative;
  overflow: hidden;
}

.pricing__ribbon {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-accent);
  color: var(--color-primary);
  padding: 0.625rem;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing__title {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: var(--space-lg);
  text-align: center;
}

.pricing__subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.pricing__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.75rem;
  font-family: var(--font-en);
  margin-bottom: 0.25rem;
}

.pricing__old {
  font-size: 1.75rem;
  color: var(--color-text-light);
  text-decoration: line-through;
  font-weight: 500;
}

.pricing__new {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.pricing__currency {
  font-size: 1rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.pricing__note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.pricing__features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-lg);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.pricing__features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.pricing__features li span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--color-success);
  color: var(--color-white);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing__guarantee {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.pricing__guarantee-badge {
  width: 64px;
  height: 64px;
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-gold);
  font-family: var(--font-en);
}

.pricing__guarantee-days {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.pricing__guarantee-text {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.pricing__guarantee-content strong {
  display: block;
  color: var(--color-primary);
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.pricing__guarantee-content p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.pricing__payments {
  margin-top: var(--space-lg);
  text-align: center;
}

.pricing__payments-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing__payments-icons {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin: 0.75rem 0;
  flex-wrap: wrap;
}

.payment-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 32px;
  padding: 0 0.5rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-text-muted);
  filter: grayscale(0.5);
}

.pricing__secure {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

/* ---------------------------------------------
   15. FAQ SECTION (CSS-only accordion)
   --------------------------------------------- */
.faq {
  background: var(--color-white);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq__item {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq__item[open] {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-md);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  transition: background var(--transition-fast);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question:hover {
  background: rgba(212, 160, 23, 0.04);
}

.faq__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-white);
  color: var(--color-accent);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  border: 1px solid var(--color-border);
}

.faq__item[open] .faq__icon {
  transform: rotate(45deg);
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.faq__answer {
  padding: 0 var(--space-md) var(--space-md);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ---------------------------------------------
   16. FINAL CTA SECTION
   --------------------------------------------- */
.final-cta {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(212, 160, 23, 0.12) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.final-cta__inner {
  position: relative;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.final-cta__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(212, 160, 23, 0.15);
  color: var(--color-accent);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid rgba(212, 160, 23, 0.3);
  margin-bottom: var(--space-md);
}

.final-cta__title {
  font-size: clamp(1.875rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-white);
}

.final-cta__text {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.final-cta__guarantee {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ---------------------------------------------
   17. FOOTER
   --------------------------------------------- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-2xl) 0 var(--space-md);
  font-size: 0.875rem;
}

.footer__grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__description {
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.6);
}

.footer__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__list a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer__list a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8125rem;
}

.footer__disclaimer {
  margin-top: var(--space-xs);
  font-size: 0.75rem;
  opacity: 0.7;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
  }
}

/* ---------------------------------------------
   Hero trust badge (YouTube credential)
   --------------------------------------------- */
.hero__trust {
  margin: 1rem 0 1.25rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(212, 160, 23, 0.4);
  border-radius: 8px;
  display: inline-block;
}

.hero__trust-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
  font-size: 0.9375rem;
}

.hero__trust-link:hover {
  text-decoration: underline;
}

.hero__trust-link strong {
  color: var(--color-accent);
}

/* ---------------------------------------------
   18. 반응형 조정 & 유틸
   --------------------------------------------- */
@media (min-width: 768px) {
  .section {
    padding: var(--space-3xl) 0;
  }
  .container {
    padding: 0 var(--space-lg);
  }
}

@media (min-width: 1024px) {
  body {
    font-size: 17px;
  }
  .hero {
    padding: var(--space-3xl) 0;
  }
}

/* 접근성 — 모션 감소 선호 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 프린트 */
@media print {
  .header, .final-cta, .footer {
    display: none;
  }
}

/* =============================================
   JavaScript 연동 클래스 (scripts.js)
   — Scroll Reveal, Sticky Header, FAQ, Exit Intent
   ============================================= */

/* Scroll Reveal: 섹션이 뷰포트에 들어올 때 페이드+슬라이드 */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 모션 감소 설정 사용자 배려 */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Sticky Header: 스크롤 시 배경 변화 + 숨김/노출 */
.site-header,
.header {
  transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.is-scrolled,
.header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 16px rgba(26, 43, 74, 0.08);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
}
.site-header.is-hidden,
.header.is-hidden {
  transform: translateY(-100%);
}

/* FAQ Accordion: 열림 상태 (details/summary 외 커스텀 마크업 대응) */
.faq-item {
  transition: background-color 0.3s ease;
}
.faq-item.is-open {
  background-color: #ffffff;
  box-shadow: 0 4px 20px rgba(26, 43, 74, 0.06);
}
.faq-item.is-open .faq-item__answer,
.faq-item.is-open .faq__answer {
  max-height: 1000px;
  opacity: 1;
  padding-top: 12px;
}
.faq-item__answer,
.faq__answer {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
}

/* Exit Intent Banner: 상단에서 부드럽게 내려옴 (공격적 팝업 아님) */
.exit-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #1a2b4a 0%, #2a3f6a 100%);
  color: #ffffff;
  padding: 16px 20px;
  z-index: 9999;
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  font-family: 'Noto Sans Thai', 'Inter', sans-serif;
}
.exit-banner.is-visible {
  transform: translateY(0);
}
.exit-banner__content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.exit-banner__message {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  flex: 1;
  min-width: 200px;
}
.exit-banner__message strong {
  color: #d4a017;
}
.exit-banner__cta {
  background-color: #d4a017;
  color: #1a2b4a;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  transition: transform 0.2s ease, background-color 0.2s ease;
}
.exit-banner__cta:hover {
  background-color: #e8b82a;
  transform: translateY(-1px);
}
.exit-banner__close {
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}
.exit-banner__close:hover {
  opacity: 1;
}

@media (max-width: 640px) {
  .exit-banner {
    padding: 12px 16px;
  }
  .exit-banner__message {
    font-size: 13px;
  }
  .exit-banner__cta {
    padding: 8px 16px;
    font-size: 13px;
  }
}

/* ---------------------------------------------
   REAL IMAGE STYLES (placeholder 대체)
   --------------------------------------------- */
.hero__image {
  width: 100%;
  max-width: 460px;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: block;
}

.instructor__image {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-white);
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.instructor__proof img {
  max-width: 100%;
}

/* 리드 마그넷 — 무료 배지 스타일 */
.wyg__value--free {
  color: #06c755 !important;
  font-weight: 800;
  font-size: 1.25rem;
}

.wyg__icon--list,
.wyg__icon--chat {
  background: linear-gradient(135deg, #06c755 0%, #00a049 100%);
  color: #fff;
}

/* ---------------------------------------------
   Mobile: hide page-embedded QR (can't self-scan)
   --------------------------------------------- */
@media (max-width: 768px) {
  .pricing__line-qr {
    display: none !important;
  }
  .pricing__line-mobile-note {
    display: block !important;
  }
  .pricing__line-title {
    display: none !important;
  }
}