/* ============================================================
   노트북LM 200% 활용법 — CSS v2
   포스터형 / 3D 클레이 스타일 / 모바일 우선
   ============================================================ */

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans KR', -apple-system, sans-serif;
  background: #fff;
  color: #1e293b;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ── TOKENS ── */
:root {
  --orange:     #FF6B35;
  --orange-d:   #E55A25;
  --orange-l:   #FFF0EB;
  --mint:       #00BFA5;
  --mint-d:     #009E87;
  --mint-l:     #E6FAF8;
  --blue:       #3B82F6;
  --blue-l:     #EFF6FF;
  --yellow:     #FBBF24;
  --yellow-l:   #FFFBEB;
  --red:        #EF4444;
  --navy:       #1E293B;
  --dark:       #0F172A;
  --g100:       #F8FAFC;
  --g200:       #F1F5F9;
  --g300:       #E2E8F0;
  --g400:       #CBD5E1;
  --g500:       #94A3B8;
  --g600:       #64748B;
  --g700:       #475569;
  --white:      #FFFFFF;
  --sh-sm:      0 2px 12px rgba(0,0,0,.07);
  --sh-md:      0 6px 28px rgba(0,0,0,.10);
  --sh-lg:      0 12px 48px rgba(0,0,0,.14);
  --sh-xl:      0 20px 60px rgba(0,0,0,.18);
  --r-sm:  12px;
  --r-md:  20px;
  --r-lg:  28px;
  --r-xl:  36px;
}

/* ── UTILS ── */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}
.section { padding: 72px 0; }
.txt-orange { color: var(--orange); }
.txt-mint   { color: var(--mint); }
.txt-white  { color: var(--white); }

/* ── SECTION LABELS ── */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--g100);
  border: 1.5px solid var(--g300);
  color: var(--g700);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .5px;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(24px, 5vw, 38px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-sub {
  font-size: 15px;
  color: var(--g600);
  line-height: 1.75;
  margin-bottom: 44px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 800;
  border: none;
  cursor: pointer;
  transition: all .22s;
  white-space: nowrap;
  border-radius: 50px;
}

.btn-hero-primary {
  background: linear-gradient(135deg, var(--orange), #FF8C5A);
  color: #fff;
  font-size: 16px;
  padding: 16px 30px;
  box-shadow: 0 6px 20px rgba(255,107,53,.4);
}
.btn-hero-primary:hover {
  background: linear-gradient(135deg, var(--orange-d), var(--orange));
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(255,107,53,.5);
}

.btn-hero-secondary {
  background: var(--white);
  color: var(--orange);
  font-size: 15px;
  padding: 14px 30px;
  border: 2.5px solid var(--orange);
}
.btn-hero-secondary:hover {
  background: var(--orange);
  color: #fff;
  transform: translateY(-3px);
}

.btn-primary-big {
  background: linear-gradient(135deg, var(--orange), #FF8C5A);
  color: #fff;
  font-size: 16px;
  padding: 18px 36px;
  box-shadow: 0 6px 24px rgba(255,107,53,.4);
}
.btn-primary-big:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(255,107,53,.5);
}

.btn-cta-main {
  background: #fff;
  color: var(--orange);
  font-size: 16px;
  padding: 16px 34px;
  box-shadow: var(--sh-md);
}
.btn-cta-main:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-lg);
}

.btn-cta-sub {
  background: transparent;
  color: #fff;
  font-size: 16px;
  padding: 14px 30px;
  border: 2.5px solid rgba(255,255,255,.55);
}
.btn-cta-sub:hover {
  background: rgba(255,255,255,.15);
  transform: translateY(-3px);
}

.center-cta {
  text-align: center;
  margin-top: 48px;
}

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1.5px solid var(--g200);
  transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: var(--sh-md); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1120px;
  margin: 0 auto;
  padding: 13px 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
}
.nav-logo-img {
  height: 32px;
  width: auto;
  border-radius: 8px;
  object-fit: contain;
}
.nav-logo-fallback { font-size: 24px; }
.logo-text { font-size: 15px; font-weight: 700; color: var(--navy); }
.logo-text strong { color: var(--orange); }

.nav-cta {
  background: linear-gradient(135deg, var(--orange), #FF8C5A);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  padding: 9px 18px;
  border-radius: 50px;
  box-shadow: 0 3px 12px rgba(255,107,53,.35);
  transition: all .22s;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,53,.45); }

/* ── HERO ── */
.hero {
  padding-top: 86px;
  padding-bottom: 64px;
  background: linear-gradient(160deg, #FFFFFF 0%, #FFF7F3 45%, #EDFAF8 100%);
  position: relative;
  overflow: hidden;
}

.hero-bg-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.deco-circle {
  position: absolute;
  border-radius: 50%;
}
.c1 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(255,107,53,.10), transparent 70%);
  top: -120px; right: -120px;
}
.c2 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,191,165,.09), transparent 70%);
  bottom: -80px; left: -60px;
}
.c3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(59,130,246,.07), transparent 70%);
  top: 50%; left: 40%;
}

.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 44px;
  position: relative;
  z-index: 1;
}

/* 왼쪽 텍스트 */
.hero-content { order: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--orange), #FF8C5A);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .6px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,.8);
  animation: blink 1.4s ease-in-out infinite;
}
@keyframes blink {
  0%,100% { opacity: 1; }
  50% { opacity: .3; }
}

.hero-title {
  font-size: clamp(44px, 10vw, 80px);
  font-weight: 900;
  line-height: 1.05;
  color: var(--navy);
  letter-spacing: -2px;
  margin-bottom: 20px;
}
.hero-title em {
  font-style: normal;
  color: var(--orange);
  display: inline-block;
  /* 강한 기울기 없이 굵게만 */
}

.hero-sub {
  font-size: clamp(16px, 3.5vw, 20px);
  color: var(--g700);
  line-height: 1.65;
  margin-bottom: 12px;
}
.hero-sub strong { color: var(--navy); }

.hero-desc {
  font-size: 14px;
  color: var(--g600);
  line-height: 1.75;
  margin-bottom: 26px;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.chip {
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1.5px solid transparent;
  transition: all .2s;
  cursor: default;
}
.chip-orange { background: var(--orange-l); color: var(--orange-d); border-color: #ffddd1; }
.chip-mint   { background: var(--mint-l);   color: var(--mint-d);   border-color: #b2f0ea; }
.chip-blue   { background: var(--blue-l);   color: var(--blue);     border-color: #bfdbfe; }
.chip-yellow { background: var(--yellow-l); color: #92400e;         border-color: #fde68a; }
.chip-purple { background: #f3e8ff;         color: #7c3aed;         border-color: #ddd6fe; }
.chip-pink   { background: #fdf2f8;         color: #be185d;         border-color: #fbcfe8; }
.chip-red    { background: #fff1f2;         color: #be123c;         border-color: #fecdd3; }
.chip:hover  { transform: translateY(-2px); box-shadow: var(--sh-sm); }

.hero-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  width: 100%;
}

.hero-cta-group .btn {
  width: 100%;
  max-width: 320px;
  justify-content: center;
  text-align: center;
}

.hero-trust {
  font-size: 12px;
  color: var(--g500);
  font-weight: 600;
  letter-spacing: .2px;
  text-align: center;
  width: 100%;
}

/* 오른쪽 비주얼 */
.hero-visual {
  order: 2;
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-poster-wrap {
  width: 100%;
  max-width: 380px;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-xl);
  position: relative;
  background: linear-gradient(145deg, #fff8f4, #edfaf8);
  transition: transform .4s;
}
.hero-poster-wrap:hover { transform: translateY(-6px) scale(1.01); }

.hero-poster-img {
  width: 100%;
  height: auto;
  display: block;
}

/* 포스터 로드 실패 */
.hero-poster-wrap.poster-error .hero-poster-img { display: none; }
.poster-error-ui {
  display: none;
  padding: 48px 28px;
  min-height: 460px;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-direction: column;
  gap: 14px;
}
.hero-poster-wrap.poster-error .poster-error-ui {
  display: flex;
}
.poster-icon-big { font-size: 64px; }
.poster-badge-tag {
  background: linear-gradient(135deg, var(--orange), #FF8C5A);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 50px;
}
.poster-big-text {
  font-size: 22px;
  font-weight: 900;
  color: var(--navy);
  line-height: 1.3;
}
.poster-big-text span { color: var(--orange); }
.poster-instructor {
  font-size: 13px;
  color: var(--g600);
  line-height: 1.7;
}
.poster-instructor small { font-size: 11px; }

/* 플로팅 배지 */
.float-badge {
  position: absolute;
  background: #fff;
  border-radius: 50px;
  box-shadow: var(--sh-md);
  font-size: 12px;
  font-weight: 800;
  color: var(--navy);
  padding: 8px 16px;
  white-space: nowrap;
  animation: floatY 3s ease-in-out infinite;
  border: 1.5px solid var(--g200);
}
.fb1 { bottom: 20px; left: -10px; animation-delay: 0s; }
.fb2 { top: 20px; right: -10px; animation-delay: 1.5s; }

@keyframes floatY {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 스크롤 힌트 */
.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 48px;
  color: var(--g400);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: floatY 2s ease-in-out infinite;
}
.scroll-hint i { font-size: 14px; }

/* ── WHY ── */
.why-section { background: var(--g100); }

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.why-card {
  background: #fff;
  border-radius: var(--r-md);
  padding: 26px 20px;
  box-shadow: var(--sh-sm);
  border: 1.5px solid var(--g200);
  position: relative;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.why-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--mint));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.why-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: var(--orange); }
.why-card:hover::after { transform: scaleX(1); }

.why-card-num {
  font-size: 10px;
  font-weight: 900;
  color: var(--orange);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.why-card-icon { font-size: 30px; margin-bottom: 12px; }
.why-card h3 {
  font-size: 14px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.45;
}
.why-card p { font-size: 12px; color: var(--g600); line-height: 1.65; }

.why-bottom-banner {
  background: linear-gradient(135deg, var(--orange) 0%, #FF8C5A 50%, var(--mint) 100%);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: #fff;
  box-shadow: 0 8px 32px rgba(255,107,53,.3);
}
.banner-emoji { font-size: 28px; flex-shrink: 0; }
.why-bottom-banner strong { font-size: 15px; display: block; margin-bottom: 4px; }
.why-bottom-banner div { font-size: 14px; line-height: 1.7; }

/* ── LECTURE SCENE : 강의 현장 (3장) ── */
.lecture-section { background: #fff; }

/* 3열 그리드 */
.lecture-gallery-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

/* 카드 */
.scene-card {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--sh-md);
  border: 1.5px solid var(--g200);
  transition: transform .25s, box-shadow .25s;
}
.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-lg);
}

/* 이미지 래퍼 */
.scene-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
}
.scene-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
  display: block;
}
.scene-card:hover .scene-img-wrap img { transform: scale(1.05); }

/* 오류 UI */
.photo-err-ui {
  display: none;
  position: absolute; inset: 0;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, #e2e8f0, #f1f5f9);
  font-size: 44px;
  color: var(--g400);
}
.scene-img-wrap.photo-err img { display: none; }
.scene-img-wrap.photo-err .photo-err-ui { display: flex; }

/* 캡션 */
.scene-caption {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
}
.scene-num {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), #FF8C5A);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scene-text strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 4px;
}
.scene-text p {
  font-size: 13px;
  color: var(--g500);
  line-height: 1.6;
  margin: 0;
}

/* ── LECTURE CASE : 실제 강의 사례 ── */
.case-section { background: var(--g50); }

.case-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 36px;
}

/* 케이스 카드 */
.case-card {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--sh-md);
  border: 1.5px solid var(--g200);
  transition: transform .25s, box-shadow .25s;
}
.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-lg);
}

/* 이미지 */
.case-card-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
}
.case-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
  display: block;
}
.case-card:hover .case-card-img-wrap img { transform: scale(1.04); }
.case-card-img-wrap.photo-err img { display: none; }
.case-card-img-wrap.photo-err .photo-err-ui { display: flex; }

/* 카드 본문 */
.case-card-body {
  padding: 20px 22px;
  border-top: 1.5px solid var(--g200);
}
.case-card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--orange);
  background: var(--orange-l);
  border: 1px solid #ffddd1;
  border-radius: 50px;
  padding: 3px 10px;
  margin-bottom: 10px;
}
.case-card-body h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--navy);
  margin: 0 0 6px;
}
.case-card-body p {
  font-size: 13px;
  color: var(--g500);
  line-height: 1.65;
  margin: 0;
}


/* 후기 */
.review-block {
  background: linear-gradient(135deg, #FFF7F3 0%, #EDFAF8 100%);
  border-left: 5px solid var(--orange);
  border-radius: var(--r-md);
  padding: 30px 26px;
  margin-bottom: 24px;
  box-shadow: var(--sh-sm);
  position: relative;
}
.review-icon {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
}
.review-block p {
  font-size: 15px;
  color: var(--navy);
  line-height: 1.85;
  margin-bottom: 16px;
}
.review-block p strong { color: var(--orange); }
.review-block footer {
  font-size: 13px;
  font-weight: 700;
  color: var(--g500);
}

.lecture-note {
  text-align: center;
  background: var(--g100);
  border-radius: var(--r-md);
  padding: 18px 20px;
  font-size: 14px;
  color: var(--g700);
  line-height: 1.7;
}
.lecture-note strong { color: var(--navy); }

/* ── CURRICULUM ── */
.curriculum-section {
  background: linear-gradient(180deg, var(--g100) 0%, #fff 100%);
}

.curr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 40px;
}

.curr-card {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 28px 24px;
  box-shadow: var(--sh-sm);
  border: 1.5px solid var(--g200);
  position: relative;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.curr-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--orange), var(--mint));
}
.curr-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); }

.curr-step {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1.5px;
  color: var(--orange);
  margin-bottom: 12px;
}
.curr-icon-wrap { margin-bottom: 10px; }
.curr-icon { font-size: 32px; }

.curr-card h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.4;
}
.curr-card p {
  font-size: 13px;
  color: var(--g600);
  line-height: 1.7;
  margin-bottom: 16px;
}

.curr-result {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--orange-l);
  border-radius: var(--r-sm);
  padding: 8px 14px;
}
.result-label {
  font-size: 10px;
  font-weight: 900;
  color: var(--orange-d);
  background: var(--orange);
  color: #fff;
  padding: 2px 8px;
  border-radius: 50px;
  flex-shrink: 0;
}
.result-text {
  font-size: 12px;
  font-weight: 700;
  color: var(--orange-d);
}

/* 운영 형태 */
.op-wrap {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 28px 24px;
  box-shadow: var(--sh-sm);
  border: 1.5px solid var(--g200);
  margin-bottom: 8px;
}
.op-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.op-title::before { content: '⚙️'; }

.op-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.op-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--g100);
  border-radius: var(--r-md);
  padding: 18px 12px;
  border: 1.5px solid var(--g200);
  transition: border-color .2s, transform .2s;
}
.op-item:hover { border-color: var(--orange); transform: translateY(-3px); }
.op-icon { font-size: 24px; }
.op-label { font-size: 18px; font-weight: 900; color: var(--orange); }
.op-type { font-size: 12px; font-weight: 600; color: var(--g600); text-align: center; }

/* ── RESULTS ── */
.results-section { background: var(--g100); }

.result-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.result-card {
  background: #fff;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--sh-md);
  border: 1.5px solid var(--g200);
  transition: transform .28s, box-shadow .28s;
}
.result-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); }

.result-img-box {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, #e2e8f0, #f1f5f9);
}
.result-img-box img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s;
  display: block;
}
.result-card:hover .result-img-box img { transform: scale(1.05); }

.img-err-ui {
  display: none;
  position: absolute; inset: 0;
  align-items: center; justify-content: center;
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
  font-size: 44px;
  color: var(--g400);
}
.result-img-box.img-err img { display: none; }
.result-img-box.img-err .img-err-ui { display: flex; }

.result-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: linear-gradient(135deg, var(--orange), #FF8C5A);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 50px;
  box-shadow: 0 2px 10px rgba(255,107,53,.4);
  z-index: 2;
}

.result-desc {
  padding: 18px 20px 20px;
}
.result-desc h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 6px;
}
.result-desc p { font-size: 13px; color: var(--g600); line-height: 1.6; }

/* ── TARGET ── */
.target-section { background: #fff; }

.target-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.target-card {
  background: var(--g100);
  border-radius: var(--r-lg);
  padding: 26px 20px;
  border: 1.5px solid var(--g200);
  text-align: center;
  transition: transform .25s, border-color .25s, background .25s;
}
.target-card:hover {
  transform: translateY(-5px);
  border-color: var(--mint);
  background: var(--mint-l);
}
.target-icon { font-size: 36px; margin-bottom: 12px; display: block; }
.target-card h3 {
  font-size: 15px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
}
.target-card p { font-size: 12px; color: var(--g600); line-height: 1.65; }

/* ── INSTRUCTOR ── */
.instructor-section { background: var(--g100); }

.instructor-layout {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.instructor-profile {
  background: #fff;
  border-radius: var(--r-xl);
  padding: 28px 24px;
  box-shadow: var(--sh-md);
  display: flex;
  flex-direction: column;
  gap: 22px;
  border: 1.5px solid var(--g200);
}

.profile-img-wrap {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--orange);
  box-shadow: 0 6px 20px rgba(255,107,53,.3);
  flex-shrink: 0;
  position: relative;
  background: var(--g200);
}
.profile-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.profile-img-wrap.img-err img { display: none; }
.profile-img-wrap.img-err .img-err-ui { display: flex; }
.profile-fallback {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: var(--orange);
  background: var(--orange-l);
  text-align: center;
}

.profile-name { font-size: 22px; font-weight: 900; color: var(--navy); }
.profile-title { font-size: 13px; font-weight: 700; color: var(--orange); margin-bottom: 12px; }
.profile-bio {
  font-size: 14px;
  color: var(--g700);
  line-height: 1.8;
  margin-bottom: 16px;
}
.profile-bio strong { color: var(--navy); }

.career-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.career-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--g700);
  padding: 9px 14px;
  background: var(--g100);
  border-radius: var(--r-sm);
  border: 1.5px solid var(--g200);
}
.career-item i { color: var(--orange); font-size: 13px; min-width: 16px; }

.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.diff-card {
  background: #fff;
  border-radius: var(--r-md);
  padding: 22px 16px;
  text-align: center;
  box-shadow: var(--sh-sm);
  border: 1.5px solid var(--g200);
  transition: transform .25s, border-color .25s;
}
.diff-card:hover { transform: translateY(-4px); border-color: var(--orange); }
.diff-num {
  font-size: 11px;
  font-weight: 900;
  color: var(--orange);
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.diff-icon { font-size: 28px; margin-bottom: 10px; }
.diff-text { font-size: 13px; font-weight: 800; color: var(--navy); line-height: 1.5; }

/* ── CONTACT ── */
.contact-section {
  background: linear-gradient(135deg, var(--orange) 0%, #FF8C5A 40%, var(--mint) 100%);
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact-bg-deco { position: absolute; inset: 0; pointer-events: none; }
.deco-c {
  position: absolute;
  border-radius: 50%;
}
.d1 {
  width: 350px; height: 350px;
  background: rgba(255,255,255,.08);
  top: -100px; left: -80px;
}
.d2 {
  width: 250px; height: 250px;
  background: rgba(255,255,255,.06);
  bottom: -60px; right: -60px;
}

.contact-inner { position: relative; z-index: 1; }

.contact-icon-wrap {
  font-size: 52px;
  margin-bottom: 20px;
}
.contact-title {
  font-size: clamp(22px, 5vw, 36px);
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 14px;
}
.contact-title span {
  background: rgba(255,255,255,.25);
  padding: 2px 8px;
  border-radius: 8px;
}
.contact-desc {
  font-size: 15px;
  color: rgba(255,255,255,.85);
  line-height: 1.75;
  margin-bottom: 36px;
}
.contact-btns {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.contact-note {
  font-size: 13px;
  color: rgba(255,255,255,.75);
  line-height: 1.7;
  margin-bottom: 20px;
}
.contact-note strong { color: #fff; }

.contact-website {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.8);
  font-size: 14px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color .2s;
}
.contact-website:hover { color: #fff; }

/* ── FOOTER ── */
.site-footer {
  background: #0d1117;
  color: rgba(255,255,255,.55);
  padding: 72px 0 0;
  position: relative;
  overflow: hidden;
}

/* 배경 장식 */
.site-footer::before {
  content: '';
  position: absolute;
  top: -120px; left: -120px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,107,53,.08), transparent 70%);
  pointer-events: none;
}
.site-footer::after {
  content: '';
  position: absolute;
  bottom: 60px; right: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,191,165,.07), transparent 70%);
  pointer-events: none;
}

/* 3열 메인 영역 */
.footer-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 64px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  position: relative;
  z-index: 1;
}

/* 각 열 */
.footer-col { display: flex; flex-direction: column; gap: 0; }

/* 소제목 eyebrow */
.footer-eyebrow {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--orange);
  margin: 0 0 12px;
  text-transform: uppercase;
}

/* 프로그램 타이틀 */
.footer-prog-title {
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -.5px;
}
.footer-prog-title span {
  color: var(--orange);
}

/* 프로그램 설명 */
.footer-prog-desc {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(255,255,255,.5);
  margin: 0 0 10px;
}

/* 뱃지들 */
.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.footer-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .3px;
  color: var(--mint);
  border: 1px solid rgba(0,191,165,.35);
  border-radius: 50px;
  padding: 4px 12px;
  background: rgba(0,191,165,.07);
}

/* 컬럼 제목 */
.footer-col-title {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 20px;
}

/* 문의 정보 리스트 */
.footer-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.footer-info-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  color: rgba(255,255,255,.6);
}
.footer-info-list strong {
  color: #fff;
  font-size: 15px;
}
.fi-icon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--orange);
}
.footer-info-list a {
  color: var(--mint);
  text-decoration: none;
  transition: color .2s;
}
.footer-info-list a:hover { color: #fff; }

/* 강의 분야 리스트 */
.footer-lecture-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-lecture-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(255,255,255,.6);
  transition: color .2s;
}
.footer-lecture-list li:hover { color: #fff; }
.footer-lecture-list li i {
  color: var(--mint);
  font-size: 13px;
  flex-shrink: 0;
}

/* 하단 카피라이트 바 */
.footer-bottom {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: rgba(255,255,255,.2);
  position: relative;
  z-index: 1;
}
.footer-bottom-right {
  color: rgba(255,255,255,.15);
}

/* ── REVEAL ANIMATION ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 640px+ ── */
@media (min-width: 640px) {
  .lecture-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
  /* 강의 현장 3장: 640px+ 에서 3열 */
  .lecture-gallery-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  /* 강의 사례 카드: 640px+ 에서 3열 */
  .case-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .result-showcase {
    grid-template-columns: 1fr 1fr;
  }
  .contact-btns {
    flex-direction: row;
    justify-content: center;
  }
  .curr-grid {
    grid-template-columns: 1fr 1fr;
  }
  /* 푸터: 640px에서 2열 (프로그램 + 나머지) */
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
  }
}

/* ── 900px+ ── */
@media (min-width: 900px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
    gap: 64px;
  }
  .hero-content { order: 1; flex: 1; }
  .hero-visual  { order: 2; flex: 0 0 380px; }

  /* PC: CTA 버튼 가로 배치 복원 */
  .hero-cta-group {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-start;
    width: auto;
  }
  .hero-cta-group .btn {
    width: auto;
    max-width: none;
  }
  .hero-trust {
    text-align: left;
  }

  .why-grid { grid-template-columns: repeat(4, 1fr); }
  .curr-grid { grid-template-columns: repeat(3, 1fr); }
  .result-showcase { grid-template-columns: repeat(4, 1fr); }
  .target-grid { grid-template-columns: repeat(4, 1fr); }
  .diff-grid   { grid-template-columns: repeat(4, 1fr); }
  .op-items    { grid-template-columns: repeat(4, 1fr); }

  /* 6장 갤러리 제거됨 - 하위 호환용 */
  .lecture-gallery-6 {
    grid-template-columns: repeat(3, 1fr);
  }

  .instructor-profile {
    flex-direction: row;
    align-items: flex-start;
  }

  /* 푸터 3열 전환 */
  .footer-main {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 56px;
  }
}

/* ── 1100px+ ── */
@media (min-width: 1100px) {
  .hero-visual { flex: 0 0 380px; }
  .hero-poster-wrap { max-width: 380px; }
}