/* ============================================================
   엔딩스케치 장례지도사교육원 — style.css
   ============================================================ */

/* ─── 1. CSS 변수 ────────────────────────────────────────── */
:root {
  --color-primary:    #2C4A6E;
  --color-primary-d:  #1a3252;
  --color-accent:     #C8A96E;
  --color-accent-d:   #b08d50;
  --color-text:       #333333;
  --color-muted:      #666666;
  --color-white:      #ffffff;
  --color-bg:         #f8f7f5;
  --color-bg-white:   #ffffff;
  --color-border:     #e0ddd8;
  --color-error:      #d32f2f;

  --font-base: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-md:   1rem;
  --fs-lg:   1.125rem;
  --fs-xl:   1.375rem;
  --fs-2xl:  1.75rem;
  --fs-3xl:  2.25rem;
  --fs-hero: 3rem;

  --sp-1:  0.25rem;  --sp-2:  0.5rem;  --sp-3:  0.75rem;
  --sp-4:  1rem;     --sp-5:  1.25rem; --sp-6:  1.5rem;
  --sp-8:  2rem;     --sp-10: 2.5rem;  --sp-12: 3rem;
  --sp-16: 4rem;     --sp-20: 5rem;    --sp-24: 6rem;

  --max-w:       1200px;
  --header-h:    70px;
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --shadow-sm:   0 2px 8px rgba(0,0,0,.07);
  --shadow-md:   0 6px 24px rgba(0,0,0,.11);
  --shadow-lg:   0 12px 40px rgba(0,0,0,.14);
  --transition:  0.22s ease;
}

/* ─── 2. Reset ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-base);
  font-size: var(--fs-md);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }

/* ─── 3. Layout ──────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}
.section { padding-block: var(--sp-24); }
.section--gray { background: var(--color-bg); }
.section--white { background: var(--color-bg-white); }

/* ─── 4. 버튼 ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: .7em 1.6em;
  border-radius: var(--radius-md);
  font-size: var(--fs-md);
  font-weight: 500;
  border: 2px solid transparent;
  line-height: 1;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition);
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-d);
  border-color: var(--color-primary-d);
  box-shadow: 0 4px 14px rgba(44,74,110,.35);
}
.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.7);
}
.btn--outline:hover {
  background: rgba(255,255,255,.12);
  border-color: var(--color-white);
}
.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--ghost:hover {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn--lg    { padding: .85em 2em;  font-size: var(--fs-lg); }
.btn--sm    { padding: .45em 1em;  font-size: var(--fs-sm); }
.btn--block { width: 100%; display: flex; }

/* ─── 5. 섹션 공통 헤더 ─────────────────────────────────── */
.section__header { text-align: center; margin-bottom: var(--sp-12); }
.section__tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-3);
}
.section__title {
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-4);
}
.section__desc {
  font-size: var(--fs-lg);
  color: var(--color-muted);
  line-height: 1.85;
}

/* ─── 6. Header ──────────────────────────────────────────── */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}
.header.is-scrolled { box-shadow: var(--shadow-md); }

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--sp-6);
}

/* 로고 */
.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo__img { height: 64px; width: auto; max-width: 260px; object-fit: contain; display: block; }
.logo__img--footer { height: 40px; filter: brightness(0) invert(1); }

/* ─── 7. GNB (데스크탑) ──────────────────────────────────── */
.gnb { margin-left: auto; }
.gnb__list { display: flex; align-items: center; gap: 0; }

.gnb__item { position: relative; }

.gnb__link {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.gnb__link::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
}
.gnb__link:hover,
.gnb__link.is-active {
  color: var(--color-primary);
}
.gnb__link:hover::after,
.gnb__link.is-active::after { width: calc(100% - var(--sp-8)); }

/* 드롭다운 화살표 */
.gnb__item--has-sub > .gnb__link .arrow {
  display: inline-block;
  border: solid var(--color-muted);
  border-width: 0 1.5px 1.5px 0;
  padding: 3px;
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.gnb__item--has-sub:hover > .gnb__link .arrow { transform: rotate(-135deg); }

/* 드롭다운 */
.gnb__sub {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 180px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  z-index: 200;
}
.gnb__item--has-sub:hover .gnb__sub,
.gnb__item--has-sub.is-open .gnb__sub { display: block; }

.gnb__sub li a {
  display: block;
  padding: var(--sp-3) var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--color-text);
  transition: background var(--transition), color var(--transition);
}
.gnb__sub li a:hover {
  background: rgba(44,74,110,.07);
  color: var(--color-primary);
}
.gnb__sub li + li { border-top: 1px solid var(--color-border); }
.gnb__sub li a.is-active {
  color: var(--color-primary);
  font-weight: 700;
  background: rgba(44,74,110,.05);
}

.header__cta { flex-shrink: 0; }

/* 모바일 수강문의 전화 버튼 (데스크탑에서는 숨김) */
.header__call-btn { display: none; }

/* 햄버거 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  margin-left: auto;
}
.hamburger__bar {
  display: block; width: 24px; height: 2px;
  background: var(--color-primary); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── 8. Page Hero (서브 페이지 배너) ───────────────────── */
.page-hero {
  margin-top: var(--header-h);
  background: linear-gradient(130deg, var(--color-primary) 0%, #0d1f35 100%);
  padding: var(--sp-16) 0 var(--sp-12);
  text-align: center;
  color: var(--color-white);
}
.page-hero__tag {
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-3);
}
.page-hero__title { font-size: var(--fs-3xl); font-weight: 700; }

.breadcrumb {
  display: flex; justify-content: center; align-items: center;
  gap: var(--sp-2); margin-top: var(--sp-4);
  font-size: var(--fs-sm); opacity: .7;
}
.breadcrumb a:hover { opacity: 1; text-decoration: underline; }
.breadcrumb span::before { content: '›'; margin-right: var(--sp-2); }

/* ─── 9. Hero (홈) ───────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--header-h);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a3252 55%, #0d1f35 100%);
  overflow: hidden;
}
.hero__overlay { position: absolute; inset: 0; background: rgba(0,0,0,.35); }
.hero__content { position: relative; z-index: 1; color: var(--color-white); padding-block: var(--sp-24); }
.hero__badge {
  display: inline-block;
  background: var(--color-accent); color: var(--color-primary);
  font-size: var(--fs-sm); font-weight: 700;
  padding: var(--sp-1) var(--sp-4); border-radius: 999px;
  margin-bottom: var(--sp-6);
}
.hero__title { font-size: var(--fs-hero); font-weight: 300; line-height: 1.35; margin-bottom: var(--sp-6); }
.hero__title strong { font-weight: 700; color: var(--color-accent); }
.hero__desc   { font-size: var(--fs-xl); line-height: 1.85; opacity: .9; margin-bottom: var(--sp-8); }
.hero__actions { display: flex; gap: var(--sp-4); flex-wrap: wrap; }

/* ─── 10. Stats ──────────────────────────────────────────── */
.stats {
  background: var(--color-primary);
  padding-block: var(--sp-12);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  text-align: center;
}
.stats__item { color: var(--color-white); }
.stats__number, .stats__unit { font-size: var(--fs-3xl); font-weight: 700; color: var(--color-accent); }
.stats__unit  { font-size: var(--fs-xl); }
.stats__label { font-size: var(--fs-sm); opacity: .8; margin-top: var(--sp-2); }

/* ─── 11. 홈 — 메뉴 바로가기 카드 ──────────────────────── */
.home-nav__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
}
.home-nav-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: var(--sp-8) var(--sp-6);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.home-nav-card:hover {
  box-shadow: var(--shadow-md); transform: translateY(-5px);
  border-color: var(--color-primary);
}
.home-nav-card__icon { font-size: 2.5rem; margin-bottom: var(--sp-4); }
.home-nav-card h3 { font-size: var(--fs-lg); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-2); }
.home-nav-card p  { font-size: var(--fs-sm); color: var(--color-muted); line-height: 1.65; margin-bottom: var(--sp-6); }
.home-nav-card__sub {
  font-size: var(--fs-xs); color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  width: 100%; padding-top: var(--sp-4); margin-top: auto;
  line-height: 1.8;
}
.home-nav-card__sub a { color: var(--color-primary); }
.home-nav-card__sub a:hover { text-decoration: underline; }

/* ─── 12. 홈 — 인트로 2단 ───────────────────────────────── */
.intro__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-12); align-items: center;
}
.intro__image-placeholder {
  width: 100%; aspect-ratio: 4/3;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-muted); font-size: var(--fs-sm);
  border: 2px dashed var(--color-border);
}
.intro__text h2 { font-size: var(--fs-2xl); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-6); line-height: 1.45; }
.intro__points  { display: flex; flex-direction: column; gap: var(--sp-5); }
.intro__point   { display: flex; gap: var(--sp-4); align-items: flex-start; }
.intro__point-num {
  flex-shrink: 0; width: 40px; height: 40px;
  background: var(--color-primary); color: var(--color-white);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-xs); font-weight: 700;
}
.intro__point h3 { font-size: var(--fs-md); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-1); }
.intro__point p  { font-size: var(--fs-sm); color: var(--color-muted); }

/* ─── 13. 인사말 (greeting) ──────────────────────────────── */
.greeting__grid {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: var(--sp-12); align-items: start;
}
.greeting__photo {
  width: 100%; aspect-ratio: 3/4; max-width: 320px;
  background: var(--color-bg);
  border-radius: var(--radius-lg); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-muted); font-size: var(--fs-sm);
  border: 2px dashed var(--color-border);
}
.greeting__text h3 { font-size: var(--fs-xl); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-6); }
.greeting__text p  { color: var(--color-text); line-height: 2; margin-bottom: var(--sp-4); }
.greeting__sign    { margin-top: var(--sp-8); font-size: var(--fs-lg); font-weight: 700; color: var(--color-primary); text-align: right; }
.greeting__sign span { font-size: var(--fs-sm); font-weight: 400; color: var(--color-muted); margin-right: var(--sp-2); }

.philosophy__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.philosophy-card {
  padding: var(--sp-8); background: var(--color-bg-white);
  border-radius: var(--radius-lg); border-top: 3px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.philosophy-card__num { font-size: var(--fs-3xl); font-weight: 700; color: rgba(44,74,110,.1); margin-bottom: var(--sp-4); line-height: 1; }
.philosophy-card h3   { font-size: var(--fs-lg); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-3); }
.philosophy-card p    { font-size: var(--fs-sm); color: var(--color-muted); line-height: 1.8; }

/* ─── 14. 강사소개 ───────────────────────────────────────── */
.instructor__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-8); }
.instructor-card {
  background: var(--color-bg-white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.instructor-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.instructor-card__photo {
  width: 100%; aspect-ratio: 1/1; background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-muted); font-size: var(--fs-sm);
  border: 2px dashed var(--color-border);
}
.instructor-card__photo img { width: 100%; height: 100%; object-fit: cover; }
.instructor-card__body { padding: var(--sp-6); }
.instructor-card__tag {
  display: inline-block; font-size: var(--fs-xs); font-weight: 700;
  color: var(--color-accent); letter-spacing: .06em; margin-bottom: var(--sp-2);
}
.instructor-card__name { font-size: var(--fs-xl); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-4); }
.instructor-card__name span { font-size: var(--fs-sm); font-weight: 400; color: var(--color-muted); }
.instructor-card__career { display: flex; flex-direction: column; gap: var(--sp-2); }
.instructor-card__career li {
  font-size: var(--fs-sm); color: var(--color-muted);
  padding-left: var(--sp-4); position: relative; line-height: 1.5;
}
.instructor-card__career li::before {
  content: '·'; position: absolute; left: var(--sp-1);
  color: var(--color-accent); font-weight: 700;
}

/* ─── 15. 오시는 길 ──────────────────────────────────────── */
.location__map {
  width: 100%; aspect-ratio: 16/9; min-height: 400px;
  background: var(--color-bg); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-muted); border: 2px dashed var(--color-border);
  margin-bottom: var(--sp-12); font-size: var(--fs-sm);
}
.location__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.location-card {
  padding: var(--sp-6); background: var(--color-bg-white);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
}
.location-card__icon { font-size: 2rem; margin-bottom: var(--sp-4); }
.location-card h3    { font-size: var(--fs-lg); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-4); }
.location-card ul    { display: flex; flex-direction: column; gap: var(--sp-2); }
.location-card li    { font-size: var(--fs-sm); color: var(--color-muted); padding-left: var(--sp-3); position: relative; }
.location-card li::before { content: '-'; position: absolute; left: 0; color: var(--color-accent); }

/* ─── 16. 교육과정 ───────────────────────────────────────── */
.curriculum__list { display: flex; flex-direction: column; gap: var(--sp-6); }
.curriculum-item {
  display: grid; grid-template-columns: 1fr 3fr auto;
  gap: var(--sp-8); align-items: center;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg); padding: var(--sp-8);
  box-shadow: var(--shadow-sm); border-left: 4px solid var(--color-primary);
  transition: box-shadow var(--transition);
}
.curriculum-item:hover { box-shadow: var(--shadow-md); }
.curriculum-item__badge {
  text-align: center;
}
.curriculum-item__badge span {
  display: inline-block;
  padding: var(--sp-2) var(--sp-4);
  border-radius: 999px;
  font-size: var(--fs-sm); font-weight: 700;
  background: var(--color-primary); color: var(--color-white);
}
.curriculum-item__badge.badge--pro span   { background: var(--color-accent); color: var(--color-primary); }
.curriculum-item__badge.badge--online span { background: #4a7c59; }

.curriculum-item__info h3 { font-size: var(--fs-xl); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-3); }
.curriculum-item__info p  { color: var(--color-muted); margin-bottom: var(--sp-4); }
.curriculum-item__meta { display: flex; flex-wrap: wrap; gap: var(--sp-4); }
.curriculum-item__meta li { font-size: var(--fs-sm); color: var(--color-muted); display: flex; gap: var(--sp-2); }
.curriculum-item__meta li strong { color: var(--color-primary); }

/* ─── 17. 제휴 장례식장 ──────────────────────────────────── */
.affiliate__intro {
  max-width: 720px; margin-inline: auto; text-align: center;
  margin-bottom: var(--sp-12);
}
.affiliate__intro p { color: var(--color-muted); line-height: 1.85; }
.affiliate__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); margin-bottom: var(--sp-10); }
.affiliate-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-5) var(--sp-4);
  text-align: center;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.affiliate-card:hover { box-shadow: var(--shadow-sm); border-color: var(--color-primary); }
.affiliate-card__region {
  font-size: var(--fs-xs); font-weight: 700; color: var(--color-accent);
  letter-spacing: .06em; margin-bottom: var(--sp-2);
}
.affiliate-card h4 { font-size: var(--fs-md); font-weight: 700; color: var(--color-primary); margin-bottom: var(--sp-2); }
.affiliate-card p  { font-size: var(--fs-xs); color: var(--color-muted); }
.affiliate__note {
  background: var(--color-bg); border-radius: var(--radius-md);
  padding: var(--sp-6); text-align: center;
  font-size: var(--fs-sm); color: var(--color-muted);
}

/* ─── 18. 개강일정 ───────────────────────────────────────── */
.schedule__filter {
  display: flex; gap: var(--sp-2); margin-bottom: var(--sp-8); flex-wrap: wrap;
}
.filter-btn {
  padding: .5em 1.4em; border-radius: 999px;
  font-size: var(--fs-sm); font-weight: 500;
  border: 2px solid var(--color-border); color: var(--color-muted);
  transition: all var(--transition);
}
.filter-btn:hover  { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn.is-active { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); }

.schedule__table-wrap { overflow-x: auto; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.schedule__table { width: 100%; border-collapse: collapse; background: var(--color-bg-white); font-size: var(--fs-sm); }
.schedule__table th,
.schedule__table td { padding: var(--sp-4) var(--sp-5); text-align: center; border-bottom: 1px solid var(--color-border); white-space: nowrap; }
.schedule__table thead th { background: var(--color-primary); color: var(--color-white); font-weight: 700; }
.schedule__table tbody tr:last-child td { border-bottom: none; }
.schedule__table tbody tr:hover { background: rgba(44,74,110,.03); }
.badge-status {
  display: inline-block; padding: .2em .8em;
  border-radius: 999px; font-size: var(--fs-xs); font-weight: 700;
}
.badge-status--open   { background: #e8f5e9; color: #2e7d32; }
.badge-status--soon   { background: #fff8e1; color: #f57f17; }
.badge-status--closed { background: #fce4ec; color: #c62828; }

/* ─── 19. 수강문의 ───────────────────────────────────────── */
.contact__wrap { display: grid; grid-template-columns: 3fr 2fr; gap: var(--sp-12); align-items: start; }
.contact__form { display: flex; flex-direction: column; gap: var(--sp-6); }
.form-group    { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-label    { font-size: var(--fs-sm); font-weight: 700; }
.form-label span { color: var(--color-error); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: .75em 1em;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  font-size: var(--fs-md); font-family: inherit; color: var(--color-text);
  background: var(--color-bg-white); outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44,74,110,.12);
}
.form-input.is-error { border-color: var(--color-error); }
.form-textarea { resize: vertical; min-height: 130px; }
.form-error    { font-size: var(--fs-xs); color: var(--color-error); min-height: 1.2em; }
.checkbox-label { display: flex; align-items: flex-start; gap: var(--sp-2); font-size: var(--fs-sm); cursor: pointer; }
.checkbox-label input { margin-top: 3px; flex-shrink: 0; }
.link--underline { text-decoration: underline; color: var(--color-primary); }

.contact__info-box {
  background: var(--color-primary); color: var(--color-white);
  border-radius: var(--radius-lg); padding: var(--sp-8);
}
.contact__info-box h3 { font-size: var(--fs-xl); font-weight: 700; margin-bottom: var(--sp-6); }
.contact__info-list   { display: flex; flex-direction: column; gap: var(--sp-5); margin-bottom: var(--sp-6); }
.contact__info-list li { display: flex; gap: var(--sp-4); align-items: flex-start; font-size: var(--fs-sm); }
.contact__info-list li strong { flex-shrink: 0; width: 5em; color: var(--color-accent); }
.contact__info-list li span,
.contact__info-list li a { opacity: .85; line-height: 1.6; }
.contact__info-list li a:hover { text-decoration: underline; opacity: 1; }
.contact__kakao {
  display: flex; align-items: center; gap: var(--sp-3);
  background: #fee500; color: #391b1b;
  border-radius: var(--radius-md); padding: var(--sp-4);
  font-size: var(--fs-sm); font-weight: 700;
}
.contact__map {
  width: 100%; aspect-ratio: 4/3; min-height: 200px;
  background: rgba(255,255,255,.1); border-radius: var(--radius-md);
  border: 2px dashed rgba(255,255,255,.3);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.5); font-size: var(--fs-sm);
  margin-top: var(--sp-5);
}

/* ─── 20. Footer ─────────────────────────────────────────── */
.footer { background: #0f1923; color: rgba(255,255,255,.65); padding-block: var(--sp-12); font-size: var(--fs-sm); }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 2fr; gap: var(--sp-10); align-items: start; }
.footer__tagline { margin-top: var(--sp-3); line-height: 1.65; }
.footer__nav ul  { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer__nav a:hover { color: var(--color-white); }
.footer__legal   { display: flex; flex-direction: column; gap: var(--sp-2); }
.footer__copy    { margin-top: var(--sp-4); color: rgba(255,255,255,.35); }

/* ─── 21. Back-to-top ────────────────────────────────────── */
.back-to-top {
  position: fixed; bottom: var(--sp-8); right: var(--sp-8);
  width: 48px; height: 48px;
  background: var(--color-primary); color: var(--color-white);
  border-radius: 50%; font-size: 1.5rem;
  box-shadow: var(--shadow-md); z-index: 900;
  transition: background var(--transition), transform var(--transition);
}
.back-to-top:hover { background: var(--color-primary-d); transform: translateY(-3px); }
.back-to-top[hidden] { display: none; }

/* ─── 22. 반응형 ─────────────────────────────────────────── */
@media (max-width: 1200px) {
  .affiliate__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  :root { --sp-24: 5rem; }
  .home-nav__grid    { grid-template-columns: repeat(2, 1fr); }
  .stats__grid       { grid-template-columns: repeat(2, 1fr); }
  .instructor__grid  { grid-template-columns: repeat(2, 1fr); }
  .philosophy__grid  { grid-template-columns: 1fr 1fr; }
  .footer__inner     { grid-template-columns: 1fr 1fr; }
  .footer__legal     { grid-column: 1 / -1; }
  .curriculum-item   { grid-template-columns: auto 1fr; }
  .curriculum-item .btn { display: none; }
  .affiliate__grid   { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --fs-hero:  2.25rem;
    --fs-3xl:   1.75rem;
    --sp-24:    4rem;
    --header-h: 104px; /* 로고행 ~60px + 탭행 ~44px */
  }

  /* ── 헤더 2줄 레이아웃 ── */
  .header       { height: auto; min-height: var(--header-h); }
  .header__inner {
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
  }
  .header__cta  { display: none; }
  .hamburger    { display: none; } /* 탭바가 항상 노출되므로 불필요 */

  /* 모바일 수강문의 전화 버튼 */
  .header__call-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    padding: 9px var(--sp-4);
    background: #C4A882;
    color: #2C1810;
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
    line-height: 1;
    transition: background var(--transition), box-shadow var(--transition);
  }
  .header__call-btn:hover {
    background: #B8956E;
    box-shadow: 0 3px 10px rgba(196,168,130,.45);
  }

  /* 로고 (1행) */
  .logo         { flex: 1; padding-block: var(--sp-2); }
  .logo__img    { height: 44px; max-width: 180px; }

  /* 탭 메뉴 (2행) */
  .gnb {
    order: 10;
    width: 100%;
    position: static;
    transform: none;
    margin-left: 0;
    background: transparent;
    border-top: 1px solid var(--color-border);
    max-height: none;
    overflow: visible;
    transition: none;
    z-index: auto;
    box-shadow: none;
  }
  .gnb__list {
    flex-direction: row;
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 0;
    align-items: stretch;
  }
  .gnb__list::-webkit-scrollbar { display: none; }
  .gnb__item    { flex-shrink: 0; }
  .gnb__link {
    padding: 10px var(--sp-4);
    font-size: 0.8rem;
    border-radius: 0;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }
  .gnb__link.is-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
  }
  .gnb__link::after { display: none; }

  /* 서브메뉴: 헤더 바로 아래 오버레이 */
  .gnb__sub {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    transform: none;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 16px rgba(0,0,0,.12);
    z-index: 999;
    min-width: unset;
    background: var(--color-bg-white);
  }
  /* 모바일에서 :hover 점착 현상 차단 — is-open으로만 제어 */
  .gnb__item--has-sub:hover .gnb__sub { display: none; }
  .gnb__item--has-sub.is-open .gnb__sub { display: block; }
  .gnb__sub li a { padding-left: var(--sp-6); }
  .gnb__sub li + li { border-top-color: var(--color-border); }
  .arrow { float: right; transition: transform .2s ease; }

  /* 서브메뉴 열린 탭 강조 */
  .gnb__item--has-sub.is-open > .gnb__link {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
  }
  .gnb__item--has-sub.is-open > .gnb__link .arrow {
    transform: rotate(-135deg);
  }

  /* 레이아웃 */
  .intro__grid       { grid-template-columns: 1fr; }
  .greeting__grid    { grid-template-columns: 1fr; }
  .instructor__grid  { grid-template-columns: 1fr; }
  .location__grid    { grid-template-columns: 1fr; }
  .philosophy__grid  { grid-template-columns: 1fr; }
  .home-nav__grid    { grid-template-columns: 1fr 1fr; }
  .contact__wrap     { grid-template-columns: 1fr; }
  .footer__inner     { grid-template-columns: 1fr; gap: var(--sp-8); }
  .footer__legal     { grid-column: auto; }
  .hero__actions     { flex-direction: column; }
  .curriculum-item   { grid-template-columns: 1fr; gap: var(--sp-4); }
  .affiliate__grid   { grid-template-columns: 1fr 1fr; }
  .stats__grid       { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  :root { --fs-hero: 1.875rem; }
  .home-nav__grid  { grid-template-columns: 1fr; }
  .affiliate__grid { grid-template-columns: 1fr; }
}