/* ═══════════════════════════════════════════════════════════════════════
   ProProfile Pilates — styles.css
   웰니스 라이트 에디션 (Mobile-First) · 컨셉: "샌드 아이보리 × 딥 블루" (강유리 인스턴스 테마)
   · 대상 마크업 : index.html (data.js → app.js 동적 바인딩 버전)
   · 방향        : 다크 에디션에서 전환 — 밝고 에어리한 프리미엄 웰니스 무드
                   (경쟁사 분석 기반: 밝은 에디토리얼 비주얼 + 여백의 힘)
═════════════════════════════════════════════════════════════════════════

   ◆ 파일 구조 (모듈 인덱스)
     [00] 디자인 토큰          — 샌드 아이보리 팔레트 · 서체 · 모션의 SSOT
     [01] 리셋 & 베이스        — 모바일 기준, 데스크톱은 [13]에서 확장
     [02] 유틸리티             — 컨테이너 · 섹션 헤드 · 버튼 · 리빌 · 그레인
     [03] 헤더 & GNB           — 라이트 글래스모피즘 · 모바일 메뉴 · 플로팅 CTA
     [04] 히어로               — 라이트 비디오 위 잉크 카피 · 스크롤 힌트
     [05] 스탯                 — 숫자 카운트업 (샴페인 골드 접미사)
     [06] 강사 소개 (ABOUT)    — 프로필 사진 · 팩트 칩 · 경력 타임라인 · 자격증
     [07] 무브먼트 & 필로소피  — 이미지 + 철학 타일 벤토 그리드
     [08] 프로그램 카드        — 레슨 라인업 (호버 리프트 + 광택 스윕)
     [09] 후기 (REVIEWS)       — 평점 요약 + 후기 카드 (세리프 인용구)
     [10] 아코디언             — 과정(PROCESS)·FAQ 공용 (+ → − 회전 아이콘)
     [11] 컨택트               — 예약 폼 · 스튜디오 인포
     [12] 푸터
     [13] 브레이크포인트       — min-width 640 / 900 / 1024
     [13.5] 채용·협업 (HIRING) — 원장님·기업용 조건표
     [14] 모션 최소화          — prefers-reduced-motion
     [15] 프리로더             — 브랜드 모노그램 오프닝 (v2)
     [16] 마퀴 리본            — 에디토리얼 키워드 흐름 (v2)
     [17] 스튜디오 갤러리      — masonry + 라이트박스 (v2)
     [18] 도트 내비            — 데스크톱 우측 섹션 인디케이터 (v2)
     [19] 히어로 v2 디테일     — 단어 스태거 · 마그네틱 버튼

   ◆ 테마 교체 가이드
     ┌──────────────────────────────────────────────────────────────┐
     │ 역할             변수                값                        │
     │ 배경(웜 아이보리) --color-bg          #F8F7F2                  │
     │ 카드 서피스      --color-surface     #FFFFFF                   │
     │ 헤어라인         --color-border      rgba(42,46,39,.10)        │
     │ 액센트(세이지)   --color-accent      #6C8A64                   │
     │ 포인트(샴페인)   --color-accent-2    #C0996B                   │
     │ 본문 텍스트      --color-text        #282C24                   │
     │ 보조 텍스트      --color-text-sub    #5D6357                   │
     └──────────────────────────────────────────────────────────────┘
═════════════════════════════════════════════════════════════════════════ */


/* ─────────────────────────────────────────────────────────────────────
   [00] 디자인 토큰
   ───────────────────────────────────────────────────────────────────── */
:root {
  color-scheme: light;

  /* ── 컬러: 샌드 아이보리 베이스 ── */
  --color-bg:            #F8F7F2;
  --color-bg-soft:       #F1EFE7;
  --color-surface:       #FFFFFF;
  --color-border:        rgba(42, 46, 39, .10);
  --color-border-strong: rgba(42, 46, 39, .24);

  /* ── 컬러: 액센트 (딥 세이지 + 샴페인) ── */
  --color-accent:        #3D6B94;
  --color-accent-deep:   #2C4E70;
  --color-accent-2:      #C0996B;
  --color-accent-tint:   color-mix(in srgb, var(--color-accent) 12%, transparent);
  --gradient-accent: linear-gradient(120deg, #B7C7AB 0%, #7C9070 55%, #C0996B 130%);

  /* ── 컬러: 텍스트 ── */
  --color-text:      #282C24;
  --color-text-sub:  #5D6357;
  --color-text-mute: #8B9083;
  --hero-text:       #282C24;               /* 라이트 영상 위 잉크 카피 */

  /* ── 서체 ── */
  --font-serif: 'Noto Serif KR', 'Nanum Myeongjo', Georgia, serif;
  --font-sans:  'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont,
                'Segoe UI', 'Malgun Gothic', sans-serif;
  --fs-hero: clamp(2.3rem, 5.2vw, 4.3rem);
  --fs-h2:   clamp(1.8rem, 3.1vw, 2.7rem);
  --fs-h3:   clamp(1.15rem, 1.9vw, 1.4rem);

  /* ── 간격 · 형태 · 모션 ── */
  --space-section: clamp(4.5rem, 10vw, 9rem);
  --gutter: clamp(1.25rem, 5vw, 2.5rem);
  --header-h: 68px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-full: 999px;
  --ease-out:   cubic-bezier(.22, 1, .36, 1);
  --ease-inout: cubic-bezier(.65, .05, .36, 1);
  --dur-fast: .25s;
  --dur-base: .45s;
  --dur-slow: .9s;
  /* 웰니스 무드용 그림자 — 따뜻하고 낮은 대비 */
  --shadow-lift: 0 18px 40px -20px rgba(40, 44, 36, .28);
  --shadow-card: 0 30px 60px -38px rgba(40, 44, 36, .35);

  /* ── z-index 스케일 (헤더 > 메뉴 > 모바일CTA 순서 유지 필수) ── */
  --z-media: 0; --z-scrim: 1; --z-content: 2; --z-grain: 60;
  --z-mcta: 90; --z-menu: 95; --z-header: 100; --z-progress: 110;

  /* ── 레거시 별칭: index.html 인라인 스타일(#faq 배경 등) 호환용 ── */
  --paper:       var(--color-bg);
  --paper-soft:  var(--color-bg-soft);
  --card:        var(--color-surface);
  --ink:         var(--color-text);
  --ink-soft:    var(--color-text-sub);
  --ink-mute:    var(--color-text-mute);
  --line:        var(--color-border);
  --line-strong: var(--color-border-strong);
  --sage:        var(--color-accent);
  --sage-deep:   var(--color-accent-deep);
  --sage-tint:   var(--color-accent-tint);
  --gradient-sage: var(--gradient-accent);
}

/* ─────────────────────────────────────────────────────────────────────
   [01] 리셋 & 베이스 — 모바일이 기준
   ───────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}
html.menu-open, html.menu-open body { overflow: hidden; }

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: -.01em;
  word-break: keep-all;                     /* 한국어 단어 중간 줄바꿈 방지 */
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-bottom: 74px;                     /* 모바일 플로팅 CTA 여백 (900px↑ 제거) */
}

/* 은은한 종이 질감 — 웰니스 페이퍼 무드 */
body::after {
  content: ""; position: fixed; inset: 0; z-index: var(--z-grain);
  pointer-events: none; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

h1, h2, h3, h4 { line-height: 1.24; letter-spacing: -.02em; font-weight: 600; text-wrap: balance; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
strong { font-weight: 600; }

::selection { background: var(--color-accent-deep); color: #F8F7F2; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: 4px; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: rgba(42,46,39,.2); border-radius: 99px; border: 2px solid var(--color-bg); }

/* ─────────────────────────────────────────────────────────────────────
   [02] 유틸리티
   ───────────────────────────────────────────────────────────────────── */
.container { width: 100%; max-width: 1240px; margin-inline: auto; padding-inline: var(--gutter); }
.section { position: relative; padding-block: var(--space-section); }
.section__head { margin-bottom: clamp(2.5rem, 6vw, 5rem); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .8rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .3em;
  text-transform: uppercase; color: var(--color-accent);
}
.eyebrow::before { content: ""; width: 30px; height: 1px; background: var(--color-accent); }

.section-title { font-family: var(--font-serif); font-size: var(--fs-h2); margin-top: 1rem; }
.section-lede { margin-top: 1rem; color: var(--color-text-sub); max-width: 54ch; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: calc(var(--z-menu) + 1);
  padding: .7rem 1.2rem; border-radius: var(--radius-md);
  background: var(--color-text); color: var(--color-bg); transition: top var(--dur-fast) ease;
}
.skip-link:focus { top: 1rem; }

/* 버튼 공통 — 48px 터치 타깃 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 48px; padding: .8rem 1.6rem; border-radius: var(--radius-full);
  font-size: .9375rem; font-weight: 600; letter-spacing: -.01em;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) ease,
              border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease;
}
.btn svg { transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover svg { transform: translate(2px, -2px); }
.btn--ink { background: var(--color-text); color: #F8F7F2; box-shadow: 0 12px 28px -14px rgba(40,44,36,.5); }
.btn--ink:hover { transform: translateY(-2px); background: var(--color-accent-deep); }
.btn--ghost { border: 1px solid var(--color-border-strong); color: var(--color-text); background: rgba(255,255,255,.4); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--color-text); }
.btn--sage { background: var(--color-accent-deep); color: #F8F7F2; }
.btn--sage:hover { transform: translateY(-2px); background: var(--color-accent); }

/* ── 스크롤 리빌 ── */
[data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal-delay="1"] { --reveal-delay: .08s; }
[data-reveal-delay="2"] { --reveal-delay: .16s; }
[data-reveal-delay="3"] { --reveal-delay: .24s; }
[data-reveal-delay="4"] { --reveal-delay: .32s; }

/* ─────────────────────────────────────────────────────────────────────
   [03] 헤더 & GNB & 모바일 메뉴 & 프로그레스 & 플로팅 CTA
   ───────────────────────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-header);
  height: var(--header-h);
  background: rgba(248, 247, 242, .6);      /* 라이트 글래스모피즘 */
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid transparent;
  transition: background var(--dur-base) ease, border-color var(--dur-base) ease, box-shadow var(--dur-base) ease;
}
.site-header.is-scrolled {
  background: rgba(248, 247, 242, .88);
  border-bottom-color: var(--color-border);
  box-shadow: 0 14px 40px -24px rgba(40,44,36,.3);
}
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.logo { display: inline-flex; align-items: center; gap: .75rem; }
/* 퍼스널 헤더 — 강사 얼굴 원형 사진 + 영문 이름/전문분야 (3종 공통 표준) */
.logo__face {
  width: 42px; height: 42px; border-radius: 50%; object-fit: cover; object-position: center top;
  box-shadow: 0 0 0 1px var(--color-border), 0 8px 18px -10px rgba(40, 44, 36, .45);
  transition: box-shadow var(--dur-fast) ease;
}
.logo:hover .logo__face { box-shadow: 0 0 0 1px var(--color-border-strong), 0 10px 22px -10px rgba(40,44,36,.5); }
.logo__word { display: flex; flex-direction: column; line-height: 1.3; }
.logo__brand { font-family: var(--font-serif); font-size: .98rem; font-weight: 700; letter-spacing: .05em; }
.logo__sub { font-size: .6rem; letter-spacing: .2em; text-transform: uppercase; color: var(--color-text-mute); }

.gnb { display: none; }
.gnb__link {
  position: relative; padding: .7rem .2rem;
  font-size: .875rem; font-weight: 500; color: var(--color-text-sub);
  transition: color var(--dur-fast) ease;
}
.gnb__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .2rem; height: 1px;
  background: var(--color-accent); transform: scaleX(0); transform-origin: right;
  transition: transform var(--dur-base) var(--ease-out);
}
.gnb__link:hover, .gnb__link.is-active { color: var(--color-text); }
.gnb__link:hover::after, .gnb__link.is-active::after { transform: scaleX(1); transform-origin: left; }

.header-cta {
  display: none;
  align-items: center; gap: .5rem; min-height: 48px;
  padding: .6rem 1.35rem; border-radius: var(--radius-full);
  background: var(--color-text); color: #F8F7F2;
  font-size: .875rem; font-weight: 600;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) ease;
}
.header-cta:hover { transform: translateY(-2px); background: var(--color-accent-deep); }

.nav-toggle {
  display: grid; place-items: center;
  position: relative; width: 48px; height: 48px;
  border-radius: 50%; border: 1px solid var(--color-border-strong);
}
.nav-toggle span {
  grid-area: 1 / 1; width: 18px; height: 1.6px;
  background: var(--color-text);
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-toggle span:nth-child(1) { transform: translateY(-4px); }
.nav-toggle span:nth-child(2) { transform: translateY(4px); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: rotate(-45deg); }

/* 모바일 풀스크린 메뉴 — z-index 95 (헤더 100 아래, X 버튼 항상 클릭 가능) */
.mobile-menu {
  position: fixed; inset: 0; z-index: var(--z-menu);
  padding: calc(var(--header-h) + 5vh) var(--gutter) 5vh;
  display: flex; flex-direction: column; justify-content: space-between;
  background: rgba(248, 247, 242, .88);
  -webkit-backdrop-filter: blur(26px) saturate(140%);
  backdrop-filter: blur(26px) saturate(140%);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-base) ease, visibility 0s var(--dur-base);
}
.mobile-menu.is-open { opacity: 1; visibility: visible; transition: opacity var(--dur-base) ease; }
.mobile-menu__list { display: flex; flex-direction: column; }
.mobile-menu__link {
  display: flex; align-items: baseline; gap: 1rem;
  min-height: 64px; padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-serif); font-size: clamp(1.6rem, 7vw, 2.2rem); font-weight: 600;
  transform: translateY(24px); opacity: 0;
  transition: transform var(--dur-slow) var(--ease-out), opacity var(--dur-slow) ease;
}
.mobile-menu__link small { font-family: var(--font-sans); font-size: .7rem; letter-spacing: .2em; color: var(--color-accent-2); }
.mobile-menu.is-open .mobile-menu__link { transform: none; opacity: 1; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(1) .mobile-menu__link { transition-delay: .05s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(2) .mobile-menu__link { transition-delay: .11s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(3) .mobile-menu__link { transition-delay: .17s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(4) .mobile-menu__link { transition-delay: .23s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(5) .mobile-menu__link { transition-delay: .29s; }
.mobile-menu__foot { font-size: .85rem; color: var(--color-text-mute); }

.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: var(--z-progress); pointer-events: none; }
.progress__bar { height: 100%; background: var(--gradient-accent); transform: scaleX(0); transform-origin: 0 50%; }

/* 모바일 플로팅 상담 CTA — 히어로 이탈 시 표시 */
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: var(--z-mcta);
  padding: .7rem var(--gutter) calc(.7rem + env(safe-area-inset-bottom));
  background: rgba(248, 247, 242, .9);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
  border-top: 1px solid var(--color-border);
  transform: translateY(110%);
  transition: transform var(--dur-base) var(--ease-out);
}
.mobile-cta.is-visible { transform: none; }
.mobile-cta__link { width: 100%; font-size: 1rem; }

/* ─────────────────────────────────────────────────────────────────────
   [04] 히어로 — 라이트 비디오 위 잉크 카피
   저전력 모드 대비: 폴백 그라디언트가 항상 하단에 깔려 있음
   ───────────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: grid; align-items: center;
  overflow: hidden;
  background: var(--color-bg-soft);
}
.hero__media {
  position: absolute; inset: 0; z-index: var(--z-media); overflow: hidden;
  /* 영상 로드 실패 시 폴백: 같은 무드의 스틸 그라디언트 */
  background:
    radial-gradient(60% 75% at 26% 30%, #FDFCF7 0%, rgba(253,252,247,0) 60%),
    radial-gradient(55% 70% at 78% 74%, color-mix(in srgb, var(--color-accent) 68%, #fff) 0%, transparent 62%),
    linear-gradient(160deg, #F2F0E7 0%, color-mix(in srgb, var(--color-accent) 70%, #fff) 100%);
}
.hero__media::before {
  content: ""; position: absolute; inset: -25%;
  background:
    radial-gradient(42% 52% at 30% 40%, rgba(255,255,255,.5) 0%, transparent 70%),
    radial-gradient(36% 46% at 74% 62%, color-mix(in srgb, var(--color-accent) 16%, transparent) 0%, transparent 70%);
  animation: hero-drift 26s ease-in-out infinite alternate;
}
@keyframes hero-drift { from { transform: translate(0,0) scale(1); } to { transform: translate(4%,-3%) scale(1.1); } }
.hero__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  transform: translateZ(0);
}
.hero.video-failed .hero__video { display: none; }

/* 라이트 스크림 — 카피가 놓이는 좌측에 아이보리 베일을 두껍게 깔아
   가독성을 확보하고, 우측 인물·영상은 살려 둡니다 */
.hero__scrim {
  position: absolute; inset: 0; z-index: var(--z-scrim);
  background:
    linear-gradient(90deg,
      rgba(248, 247, 242, .88) 0%,
      rgba(248, 247, 242, .68) 45%,
      rgba(248, 247, 242, .28) 74%,
      rgba(248, 247, 242, 0) 100%),
    linear-gradient(180deg,
      rgba(248, 247, 242, .5) 0%,
      rgba(248, 247, 242, .12) 36%,
      rgba(248, 247, 242, .4) 72%,
      var(--color-bg) 100%);
}
.hero__content { position: relative; z-index: var(--z-content); padding-top: var(--header-h); width: 100%; }
.hero__inner { max-width: 1040px; color: var(--hero-text); }
.hero__eyebrow {
  color: var(--color-accent-deep);
  text-shadow: 0 1px 12px rgba(248, 247, 242, .9);   /* 라이트 영상 위 가독성 보조 */
}
.hero__eyebrow::before { background: var(--color-accent-deep); }
.hero-title {
  font-family: var(--font-serif); font-size: var(--fs-hero); font-weight: 600; text-wrap: balance;
  text-shadow: 0 2px 30px rgba(248, 247, 242, .8), 0 1px 4px rgba(248, 247, 242, .55);
}
.hero__line { display: block; overflow: hidden; padding-block: .07em; margin-block: -.07em; }
.hero__line > span {
  display: block; transform: translateY(115%);
  animation: hero-rise 1.15s var(--ease-out) both; animation-delay: var(--d, 0s);
}
@keyframes hero-rise { to { transform: translateY(0); } }
.hero__subline {
  margin-top: 1.4rem; max-width: 44ch;
  font-size: clamp(1.02rem, 1.6vw, 1.25rem); line-height: 1.8;
  color: var(--color-text-sub);
  text-shadow: 0 1px 16px rgba(248, 247, 242, .85);
}
.hero__fade {
  opacity: 0; transform: translateY(18px);
  animation: hero-fade 1s var(--ease-out) both; animation-delay: var(--d, 0s);
}
@keyframes hero-fade { to { opacity: 1; transform: none; } }

.hero__actions { margin-top: 2.2rem; display: flex; flex-direction: column; gap: .8rem; }
.hero__meta {
  position: absolute; left: var(--gutter); bottom: 2.2rem; z-index: var(--z-content);
  display: none; gap: 2.2rem;
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--color-text-sub);
}
.hero__meta span { display: inline-flex; align-items: center; gap: .55rem; }
.hero__meta i { width: 5px; height: 5px; border-radius: 50%; background: var(--color-accent-2); display: inline-block; }

.scroll-hint {
  position: absolute; left: 50%; bottom: 1.8rem; transform: translateX(-50%);
  z-index: var(--z-content); display: flex; flex-direction: column; align-items: center; gap: .8rem;
}
.scroll-hint__label { font-size: .62rem; letter-spacing: .42em; text-transform: uppercase; color: var(--color-text-mute); writing-mode: vertical-rl; }
.scroll-hint__line { position: relative; width: 1px; height: 54px; background: rgba(40,44,36,.2); overflow: hidden; }
.scroll-hint__line::after {
  content: ""; position: absolute; left: 0; top: -45%; width: 100%; height: 45%;
  background: var(--color-accent); animation: scroll-drop 2.3s var(--ease-inout) infinite;
}
@keyframes scroll-drop { 0% { top: -45%; } 65%, 100% { top: 110%; } }

/* ─────────────────────────────────────────────────────────────────────
   [05] 스탯 — 카운트업 (모바일 2×2 → 데스크톱 1×4)
   ───────────────────────────────────────────────────────────────────── */
.stats { padding-block: clamp(4rem, 8vw, 7rem); }
.stats__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(1.8rem, 4vw, 2.6rem) 1.4rem; }
.stat { border-top: 1px solid var(--color-border-strong); padding-top: 1.3rem; }
.stat__value {
  display: flex; align-items: baseline;
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(2.4rem, 4.6vw, 4rem); line-height: 1; letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.stat__suffix { font-size: .5em; color: var(--color-accent-2); margin-left: .18em; }
.stat__label { display: block; margin-top: .8rem; font-weight: 600; font-size: .875rem; }
.stat__desc { display: block; margin-top: .2rem; font-size: .72rem; color: var(--color-text-mute); letter-spacing: .04em; }

/* ─────────────────────────────────────────────────────────────────────
   [06] 강사 소개 (ABOUT) — 프로필 사진 · 팩트 · 경력 · 자격증
        (경쟁 강점 ②: 강사 신뢰의 시각화)
   ───────────────────────────────────────────────────────────────────── */
.about { background: var(--color-bg); }
.about__layout { display: grid; grid-template-columns: 1fr; gap: clamp(1.8rem, 5vw, 4.5rem); align-items: start; }

/* 프로필 사진 — 4:5 세로 프레임 + 이름 플레이트 */
.about__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.about__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: center top; }
.about__plate {
  position: absolute; left: 1rem; right: 1rem; bottom: 1rem;
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding: .85rem 1.15rem; border-radius: var(--radius-md);
  background: rgba(255,255,255,.86);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.6);
}
.about__plate strong { font-family: var(--font-serif); font-size: 1.1rem; }
.about__plate span { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--color-text-mute); }

/* 팩트 칩 — 나이 · 활동지역 · 경력 */
.about__facts { display: grid; grid-template-columns: 1fr; gap: .55rem; margin-top: 1.3rem; }
.about__facts li {
  display: inline-flex; align-items: center; gap: .5rem;
  min-height: 40px; padding: .38rem 1rem; border-radius: var(--radius-full);
  border: 1px solid var(--color-border); background: var(--color-surface);
  font-size: .82rem; color: var(--color-text-sub);
}
.about__facts b { color: var(--color-text); font-weight: 700; }
.about__facts small { font-size: .72rem; color: var(--color-text-mute); }

.about__intro { margin-top: 1.5rem; display: grid; gap: 1rem; color: var(--color-text-sub); }
.about__intro p:first-child { color: var(--color-text); font-weight: 500; }

/* 경력 & 자격증 2단 */
.about__cols { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-top: 2.2rem; }
.about__block-title {
  font-size: .72rem; font-weight: 700; letter-spacing: .24em; text-transform: uppercase;
  color: var(--color-accent); margin-bottom: 1rem;
}

/* 경력 타임라인 */
.timeline { border-left: 1px solid var(--color-border-strong); }
.timeline li { position: relative; padding: 0 0 1.15rem 1.3rem; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -4.5px; top: .3rem;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-accent); border: 2px solid var(--color-bg);
}
.timeline .period { font-size: .7rem; font-weight: 700; letter-spacing: .14em; color: var(--color-accent-2); }
.timeline .role { display: block; font-family: var(--font-serif); font-weight: 600; font-size: 1.02rem; margin-top: .15rem; }
.timeline .desc { display: block; font-size: .85rem; color: var(--color-text-sub); }

/* 자격증 배지 */
.cert-list { display: grid; gap: .55rem; }
.cert-list li {
  display: flex; align-items: baseline; gap: .6rem;
  padding: .7rem 1rem; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface);
  font-size: .88rem; color: var(--color-text);
}
.cert-list li::before {
  content: "✓"; flex: none; font-weight: 700; color: var(--color-accent);
  transform: translateY(1px);
}

/* ─────────────────────────────────────────────────────────────────────
   [07] 무브먼트 & 필로소피 — 이미지 + 철학 타일 벤토 그리드
   ───────────────────────────────────────────────────────────────────── */
.movement { background: var(--color-bg); }
.movement__grid { display: grid; grid-template-columns: 1fr; gap: clamp(.9rem, 2vw, 1.5rem); }

.m-img {
  position: relative; overflow: hidden; border-radius: var(--radius-md);
  background: var(--color-bg-soft);
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-card);
}
.m-img img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.01);
  transition: transform 1.1s var(--ease-out), filter .8s ease;
}
.m-img:hover img { transform: scale(1.05); }
.m-img__cap {
  position: absolute; left: 1.2rem; bottom: 1rem;
  font-size: .66rem; letter-spacing: .26em; text-transform: uppercase;
  color: rgba(248,247,242,.95); text-shadow: 0 1px 12px rgba(40,44,36,.55);
}

.phil-tile {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface);
  padding: clamp(1.4rem, 2.6vw, 2.2rem);
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) ease, border-color var(--dur-base) ease;
}
.phil-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); border-color: color-mix(in srgb, var(--color-accent) 40%, transparent); }
.phil-tile__num { font-family: var(--font-serif); font-style: italic; font-size: 1rem; color: var(--color-accent-2); }
.phil-tile__title { margin-top: .6rem; font-family: var(--font-serif); font-size: var(--fs-h3); }
.phil-tile__body { margin-top: .6rem; font-size: .92rem; color: var(--color-text-sub); line-height: 1.85; }
.phil-tile--wide {
  background: var(--color-accent-tint); border-color: color-mix(in srgb, var(--color-accent) 30%, transparent);
  gap: .9rem; align-items: flex-start;
}
.phil-tile--wide .phil-tile__num { font-size: 1.8rem; line-height: 1; }
.phil-tile--wide .phil-tile__body { margin-top: 0; font-size: .98rem; max-width: 62ch; color: var(--color-text); }

/* ─────────────────────────────────────────────────────────────────────
   [08] 프로그램 카드
   ───────────────────────────────────────────────────────────────────── */
.programs { background: var(--color-bg-soft); border-block: 1px solid var(--color-border); }
.programs__grid { display: grid; grid-template-columns: 1fr; gap: clamp(1.1rem, 2.4vw, 2rem); }

.program-card {
  position: relative; overflow: hidden;
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: clamp(1.6rem, 3vw, 2.6rem);
  display: flex; flex-direction: column; gap: 1.1rem;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) ease, border-color var(--dur-base) ease;
}
/* 호버 광택 스윕 — 좌상단에서 우하단으로 지나가는 은은한 라이트 리본 */
.program-card::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.5) 48%, transparent 62%);
  transform: translateX(-110%);
  transition: transform 1.05s var(--ease-out);
  pointer-events: none;
}
.program-card:hover::before { transform: translateX(110%); }
.program-card:hover {
  transform: translateY(-4px);                                  /* 요구사항: -4px 리프트 */
  box-shadow: var(--shadow-card);
  border-color: rgba(192,153,107,.45);
}
.program-card__num {
  position: absolute; top: .3rem; right: 1.3rem;
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(3.2rem, 6vw, 5rem); line-height: 1;
  color: transparent; -webkit-text-stroke: 1px rgba(42,46,39,.14);
  pointer-events: none;
}
.program-card__en { font-size: .66rem; font-weight: 600; letter-spacing: .28em; text-transform: uppercase; color: var(--color-accent); }
.program-card__name { font-family: var(--font-serif); font-size: clamp(1.3rem, 2.2vw, 1.65rem); }
.program-card__spec { display: flex; flex-direction: column; gap: .45rem; border-top: 1px solid var(--color-border); padding-top: .95rem; }
.program-card__spec > div { display: flex; gap: .9rem; font-size: .88rem; }
.program-card__spec dt { flex: none; width: 3.2em; color: var(--color-text-mute); }
.program-card__spec dd { color: var(--color-text-sub); }
.program-card__desc { font-size: .94rem; color: var(--color-text-sub); }
.program-card__features { margin-top: auto; display: flex; flex-direction: column; gap: .5rem; border-top: 1px solid var(--color-border); padding-top: 1.05rem; }
.program-card__features li { display: flex; gap: .6rem; align-items: baseline; font-size: .88rem; color: var(--color-text-sub); }
.program-card__features li::before {
  content: ""; flex: none; width: 5px; height: 5px; border-radius: 50%;
  background: var(--color-accent); transform: translateY(-2px);
}

/* ─────────────────────────────────────────────────────────────────────
   [09] 후기 (REVIEWS) — 평점 요약 + 리뷰 카드
        (경쟁 강점 ①: 실제 후기 섹션으로 신뢰 전환)
   ───────────────────────────────────────────────────────────────────── */
.reviews { background: var(--color-bg); }
.reviews__summary {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem 1.8rem;
  border-top: 1px solid var(--color-border-strong); border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0; margin-bottom: clamp(1.8rem, 4vw, 3rem);
}
.reviews__score {
  display: flex; align-items: baseline; gap: .3rem;
  font-family: var(--font-serif); font-size: clamp(3rem, 6vw, 4.2rem);
  font-weight: 600; line-height: 1; letter-spacing: -.03em;
}
.reviews__score small { font-size: .38em; color: var(--color-text-mute); }
.reviews__stars { color: var(--color-accent-2); font-size: 1.05rem; letter-spacing: .18em; }
.reviews__count { font-size: .85rem; color: var(--color-text-sub); }
.reviews__count b { color: var(--color-text); }
.reviews__source { flex-basis: 100%; font-size: .72rem; color: var(--color-text-mute); }

.reviews__grid { display: grid; grid-template-columns: 1fr; gap: clamp(1rem, 2vw, 1.5rem); }
.review-card {
  position: relative;
  display: flex; flex-direction: column; gap: .8rem;
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: clamp(1.4rem, 2.4vw, 1.9rem);
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) ease, border-color var(--dur-base) ease;
}
/* 세리프 여는 따옴표 — 후기 카드의 에디토리얼 시그니처 */
.review-card::before {
  content: "\201C";
  position: absolute; top: .4rem; right: 1.3rem;
  font-family: var(--font-serif); font-size: 3.4rem; line-height: 1;
  color: var(--color-accent-tint);
  pointer-events: none;
  transition: color var(--dur-base) ease;
}
.review-card:hover::before { color: color-mix(in srgb, var(--color-accent) 28%, transparent); }
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); border-color: rgba(192,153,107,.45); }
.review-card__stars { color: var(--color-accent-2); letter-spacing: .22em; font-size: .95rem; }
.review-card__text { font-size: .93rem; color: var(--color-text-sub); line-height: 1.85; }
.review-card__foot { margin-top: auto; padding-top: .8rem; border-top: 1px solid var(--color-border); }
.review-card__name { font-weight: 700; font-size: .92rem; }
.review-card__tag { display: block; font-size: .75rem; color: var(--color-text-mute); margin-top: .1rem; }

/* ─────────────────────────────────────────────────────────────────────
   [10] 아코디언 — 과정(PROCESS)·FAQ 공용
   ───────────────────────────────────────────────────────────────────── */
.accordion { border-top: 1px solid var(--color-border); }
.accordion__item { border-bottom: 1px solid var(--color-border); }
.accordion__trigger {
  display: grid; align-items: center; gap: .6rem 1rem;
  width: 100%; min-height: 48px; padding: 1.25rem 0; text-align: left;
}
#curriculum-accordion .accordion__trigger {
  grid-template-columns: 1fr auto;
  grid-template-areas: "step icon" "title icon";
}
#curriculum-accordion .accordion__step  { grid-area: step; }
#curriculum-accordion .accordion__title { grid-area: title; }
#curriculum-accordion .accordion__icon  { grid-area: icon; }
#faq-list .accordion__trigger { grid-template-columns: 1fr auto; padding: 1.1rem 0; }

.accordion__step {
  font-size: .66rem; font-weight: 700; letter-spacing: .24em;
  text-transform: uppercase; color: var(--color-text-mute);
  transition: color var(--dur-fast) ease;
}
.accordion__title {
  font-family: var(--font-serif); font-size: var(--fs-h3); font-weight: 600;
  transition: transform var(--dur-base) var(--ease-out), color var(--dur-base) ease;
}
.accordion__trigger:hover .accordion__title,
.accordion__item.is-open .accordion__title { transform: translateX(6px); color: var(--color-accent-deep); }
.accordion__item.is-open .accordion__step { color: var(--color-accent-2); }

.accordion__icon {
  position: relative; width: 2.5rem; height: 2.5rem; flex: none; align-self: center;
  border: 1px solid var(--color-border-strong); border-radius: 50%;
  color: var(--color-text);
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-base) ease,
              border-color var(--dur-base) ease, color var(--dur-base) ease;
}
#faq-list .accordion__icon { width: 2.5rem; height: 2.5rem; }
.accordion__icon i { position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: currentColor; transform: translate(-50%,-50%); }
.accordion__icon i:last-child { transform: translate(-50%,-50%) rotate(90deg); transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) ease; }
/* 오픈: 원이 반전·회전하며 + 가 − 로 바뀜 */
.accordion__item.is-open .accordion__icon {
  background: var(--color-text); border-color: var(--color-text); color: var(--color-bg);
  transform: rotate(180deg);
}
.accordion__item.is-open .accordion__icon i:last-child { transform: translate(-50%,-50%) rotate(0deg); opacity: 0; }

.accordion__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .55s var(--ease-inout); }
.accordion__item.is-open .accordion__panel { grid-template-rows: 1fr; }
.accordion__panel-inner { overflow: hidden; min-height: 0; }
.accordion__body {
  padding: 0 0 1.7rem; max-width: 60ch;
  opacity: 0; transform: translateY(8px);
  transition: opacity .5s ease .05s, transform .5s var(--ease-out) .05s;
}
.accordion__item.is-open .accordion__body { opacity: 1; transform: none; }
.accordion__body p { color: var(--color-text-sub); }

.tag-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.05rem; }
.tag-list li {
  padding: .34rem .85rem;
  border: 1px solid var(--color-border); border-radius: var(--radius-full);
  font-size: .78rem; color: var(--color-text-sub); background: rgba(42,46,39,.03);
}

/* ─────────────────────────────────────────────────────────────────────
   [11] 컨택트 — 예약 폼 + 스튜디오 인포
   ───────────────────────────────────────────────────────────────────── */
.contact { background: var(--color-bg-soft); border-top: 1px solid var(--color-border); }
.contact__layout { display: grid; grid-template-columns: 1fr; gap: clamp(1.8rem, 5vw, 5rem); align-items: stretch; }

.contact-form {
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: clamp(1.6rem, 3.4vw, 2.8rem);
  box-shadow: var(--shadow-card);
}
.form-row { display: grid; grid-template-columns: 1fr; gap: 0 1.1rem; }
.field { display: flex; flex-direction: column; gap: .45rem; margin-bottom: 1.05rem; }
.field label { font-size: .82rem; font-weight: 600; color: var(--color-text-sub); }
.field label em { font-style: normal; color: var(--color-accent-2); }
.field input, .field select, .field textarea {
  font: inherit; color: var(--color-text);
  min-height: 48px;
  padding: .75rem 1rem; border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, background var(--dur-fast) ease;
}
.field textarea { min-height: 120px; resize: vertical; }
.field ::placeholder { color: var(--color-text-mute); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-tint);
  background: var(--color-surface);
}
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: .9rem; margin-top: 1.3rem; }
.form-note { font-size: .78rem; color: var(--color-text-mute); }
.form-status {
  display: none; margin-top: 1rem; padding: .8rem 1rem; border-radius: 12px;
  background: var(--color-accent-tint); border: 1px solid rgba(108,138,100,.3);
  color: var(--color-accent-deep); font-size: .85rem;
}
.form-status.is-visible { display: block; }

/* 스튜디오 인포 — 세이지 딥 카드 (라이트 페이지의 시각적 앵커) */
.contact-info {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, #55654D 0%, #3E4D39 100%);
  border: 1px solid rgba(255,255,255,.14);
  color: #F4F3EC;
  padding: clamp(1.6rem, 3.4vw, 2.8rem);
  box-shadow: var(--shadow-card);
}
.contact-info::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(160deg, rgba(255,255,255,.4) 0%, rgba(255,255,255,.08) 38%, rgba(255,255,255,0) 62%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude;
  pointer-events: none;
}
.contact-info::after {
  content: ""; position: absolute; top: -30%; right: -20%;
  width: 70%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(192,153,107,.32), transparent);
  pointer-events: none;
}
.contact-info > * { position: relative; z-index: 1; }
.contact-info .eyebrow { color: #C9D3C4; }
.contact-info .eyebrow::before { background: #C9D3C4; }
.contact-info__title { margin-top: 1rem; font-family: var(--font-serif); font-size: clamp(1.25rem, 2vw, 1.55rem); text-wrap: balance; }
.contact-info__desc { margin-top: .7rem; font-size: .92rem; color: rgba(244,243,236,.75); }

.contact-links { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: .6rem; }
.contact-links a {
  display: inline-flex; align-items: center; gap: .5rem;
  min-height: 48px; padding: .6rem 1.25rem; border-radius: var(--radius-full);
  border: 1px solid rgba(244,243,236,.3);
  font-size: .875rem; font-weight: 600;
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out);
}
.contact-links a:hover { background: #F4F3EC; color: #3E4D39; transform: translateY(-3px); }
.contact-links .is-primary { background: var(--color-accent-2); border-color: transparent; color: #2E2418; }
.contact-links .is-primary:hover { background: #F4F3EC; color: #3E4D39; }

.contact-meta { margin-top: auto; padding-top: 1.4rem; border-top: 1px solid rgba(244,243,236,.18); }
.contact-meta li {
  display: flex; justify-content: space-between; gap: 1.2rem;
  padding: .75rem 0; border-bottom: 1px solid rgba(244,243,236,.18); font-size: .875rem;
}
.contact-meta dt { color: rgba(244,243,236,.6); }
.contact-meta dd { font-weight: 600; text-align: right; }

.contact-mail {
  display: inline-block; margin-top: 1.5rem;
  font-family: var(--font-serif); font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 600;
  color: #E3E8DD; padding-bottom: .3rem; position: relative;
}
.contact-mail::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: currentColor; opacity: .5; transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) ease;
}
.contact-mail:hover::after { transform: scaleX(.3); opacity: 1; }

/* 오시는 길 — 카카오맵 링크 (연회색 보더 버튼, mapUrl 있을 때만 렌더) */
.contact-map {
  display: inline-flex; align-items: center; gap: .5rem;
  margin-top: 1.4rem; min-height: 44px; padding: .55rem 1.2rem;
  border: 1px solid rgba(244,243,236,.32); border-radius: var(--radius-full);
  font-size: .84rem; font-weight: 600; color: #F4F3EC;
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out);
}
.contact-map:hover { background: #F4F3EC; color: #3E4D39; transform: translateY(-2px); }

/* ─────────────────────────────────────────────────────────────────────
   [12] 푸터
   ───────────────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--color-border); padding: 2rem 0 2.3rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.2rem; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: baseline; gap: .9rem; flex-wrap: wrap; }
.footer-brand strong { font-family: var(--font-serif); letter-spacing: .05em; }
.footer-brand span { font-size: .78rem; color: var(--color-text-mute); }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.1rem; font-size: .82rem; color: var(--color-text-sub); }
.footer-links a { padding: .4rem 0; transition: color var(--dur-fast) ease; }
.footer-links a:hover { color: var(--color-accent-deep); text-decoration: underline; text-underline-offset: 3px; }
.footer-note { flex-basis: 100%; margin: 0; font-size: .72rem; color: var(--color-text-mute); }
.to-top {
  width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid var(--color-border-strong); display: grid; place-items: center;
  transition: background var(--dur-fast) ease, color var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out);
}
.to-top:hover { background: var(--color-text); color: var(--color-bg); transform: translateY(-3px); }

/* ─────────────────────────────────────────────────────────────────────
   [13] 브레이크포인트 — min-width 640 / 900 / 1024
   ───────────────────────────────────────────────────────────────────── */
@media (min-width: 640px) {
  .about__facts { display: flex; flex-wrap: wrap; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .hero__actions { flex-direction: row; }
  .hero__actions .btn { width: auto; }
  .hero__meta { display: flex; }
  .scroll-hint { bottom: 2rem; }
  /* 좌하단 CTA 흐름과 대각을 이루도록 메타는 우하단에 (가독성 그림자 함께) */
  .hero__meta { left: auto; right: var(--gutter); text-align: right; text-shadow: 0 1px 12px rgba(248,247,242,.95), 0 1px 3px rgba(248,247,242,.8); }
  #curriculum-accordion .accordion__trigger {
    grid-template-columns: auto 1fr auto; grid-template-areas: "step title icon";
    gap: clamp(1rem, 2.5vw, 1.6rem);
  }
  .accordion__step { min-width: 5.4rem; }
  #curriculum-accordion .accordion__body { padding-left: calc(5.4rem + clamp(1rem, 2.5vw, 1.6rem)); }
  .phil-tile--wide { flex-direction: row; align-items: baseline; gap: clamp(1.4rem, 3vw, 3rem); }
  .phil-tile--wide .phil-tile__num { font-size: 2.6rem; }
  .cert-list { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 900px) {
  :root { --header-h: 76px; }
  body { padding-bottom: 0; }
  .mobile-cta { display: none; }
  .nav-toggle { display: none; }
  .gnb { display: flex; gap: 2.4rem; }
  .header-cta { display: inline-flex; }
  .programs__grid { grid-template-columns: repeat(2, 1fr); }
  /* 2열에서 마지막 카드가 홀수번째면 전체 폭 — 하단 구멍·들쭉날쭉 방지 */
  .programs__grid > .program-card:last-child:nth-child(odd) { grid-column: span 2; }
  .contact__layout { grid-template-columns: 7fr 5fr; gap: clamp(2.5rem, 6vw, 5.5rem); }
  .reviews__grid { grid-template-columns: repeat(2, 1fr); }
}

/* 리뷰 그리드 — 3의 배수가 아니면 2열로 (마지막 행 구멍 방지, app.js data-cols) */
@media (min-width: 1024px) {
  .reviews__grid { grid-template-columns: repeat(3, 1fr); }
  .reviews__grid[data-cols="2"] { grid-template-columns: repeat(2, 1fr); }
  .reviews__grid[data-cols="2"] > .review-card:last-child:nth-child(odd) { grid-column: span 2; }
}

@media (min-width: 1024px) {
  .section__head { max-width: 660px; }
  .stats__grid { grid-template-columns: repeat(4, 1fr); gap: clamp(1.6rem, 3vw, 2.8rem); }

  /* 강사 소개: 사진(5) · 본문(7) 2단 */
  .about__layout { grid-template-columns: 5fr 7fr; gap: clamp(2.5rem, 6vw, 5.5rem); }
  .about__cols { grid-template-columns: 1fr 1fr; gap: 2.5rem; }

  /* 무브먼트 벤토 그리드 */
  .movement__grid {
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: clamp(230px, 26vw, 360px) clamp(230px, 26vw, 360px) auto;
  }
  .m-img { aspect-ratio: auto; height: 100%; }
  .m-img--w7 { grid-column: span 7; }
  .m-img--w5 { grid-column: span 5; }
  .phil-tile--w5 { grid-column: span 5; }
  .phil-tile--wide { grid-column: span 12; }

  /* 후기 3열 */
  .reviews__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── ≤640px: 모바일 히어로 가독성 — 베일 강화 ──
   작은 화면에서는 카피가 화면 전폭을 차지해 인물 위에 겹치므로,
   방향성 베일 대신 전면 아이보리 베일을 두껍게 깔아 대비를 확보합니다. */
@media (max-width: 640px) {
  .hero__scrim {
    background: linear-gradient(180deg,
      rgba(248, 247, 242, .8) 0%,
      rgba(248, 247, 242, .55) 40%,
      rgba(248, 247, 242, .7) 74%,
      var(--color-bg) 100%);
  }
}

/* ─────────────────────────────────────────────────────────────────────
   [13.5] 채용·협업 (HIRING) — 센터 원장님 · 기업 담당자용 조건 섹션
   · 회원 모집 톤(위 섹션들)과 별개로 채용자가 30초 안에 훑는 팩트·조건표
   · 데이터가 비면 app.js renderHiring 이 섹션째로 제거하므로
     빈 카드·빈 섹션이 남지 않도록 행 단위로만 스타일을 정의
   ───────────────────────────────────────────────────────────────────── */
.hiring {
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
}
.hiring__grid { display: grid; gap: 1.2rem; margin-top: .5rem; }
.hiring-card {
  padding: clamp(1.4rem, 3.2vw, 2.1rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lift);
}
.hiring-card__tag {
  font-size: .7rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
  color: var(--color-accent-2);
}
.hiring-card__title {
  font-family: var(--font-serif); font-size: 1.25rem; font-weight: 700;
  margin-top: .3rem;
}
.hiring-card__note {
  margin-top: .7rem; font-size: .9rem; line-height: 1.7;
  color: var(--color-text-sub);
}
.hiring-sub {
  margin: 1.5rem 0 .6rem; font-size: .72rem; font-weight: 700;
  letter-spacing: .2em; text-transform: uppercase; color: var(--color-accent);
}
.hiring-card__note + .hiring-sub, .hiring-card__note + .hiring-conditions,
.hiring-exp + .hiring-sub, .hiring-offers + .hiring-sub { margin-top: 1.5rem; }

/* 조건표 — 라벨 / 값 2열 (구인 공고 제목 해상도의 정보) */
.hiring-conditions { margin-top: 1rem; border-top: 1px solid var(--color-border); }
.hiring-row {
  display: grid; grid-template-columns: minmax(92px, 36%) 1fr;
  gap: .3rem 1rem; align-items: baseline;
  padding: .72rem 0; border-bottom: 1px dashed var(--color-border);
}
.hiring-row dt {
  font-size: .78rem; font-weight: 700; letter-spacing: .04em;
  color: var(--color-accent-deep);
}
.hiring-row dd { font-size: .92rem; line-height: 1.55; color: var(--color-text); }

/* 기업 출강 경험 · 프로그램 목록 */
.hiring-exp, .hiring-offers { margin-top: .4rem; display: grid; gap: .55rem; }
.hiring-exp li, .hiring-offers li {
  position: relative; padding: .7rem 1rem .7rem 2.2rem;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: .9rem; color: var(--color-text); line-height: 1.55;
}
.hiring-exp li::before, .hiring-offers li::before {
  content: "✓"; position: absolute; left: 1rem; top: .72rem;
  font-weight: 700; color: var(--color-accent); font-size: .85rem;
}
.hiring-offers li { background: var(--color-accent-tint); border-color: transparent; }

/* 채용 문의 안내 — 카드 아래 한 줄 */
.hiring__contact {
  margin-top: 1.4rem; padding: 1rem 1.3rem;
  border: 1px dashed var(--color-border-strong); border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: .88rem; color: var(--color-text-sub);
}

@media (min-width: 900px) {
  .hiring__grid { grid-template-columns: 1fr 1fr; align-items: start; }
}

/* ─────────────────────────────────────────────────────────────────────
   [14] 모션 최소화
   ───────────────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .hero__line > span, .hero__fade { animation: none; opacity: 1; transform: none; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .hero__media::before { animation: none; }
  .marquee__track { animation: none; }
}

/* ═══════════════════════════════════════════════════════════════════
   [15] 프리미엄 v2 — 오프닝 프리로더
   · 로드 전 아이보리 베일 + 모노그램 + 워드마크 + 진행 헤어라인
   · app.js 가 완료 시 .is-done → 페이드/스케일 아웃 후 제거
   ═══════════════════════════════════════════════════════════════════ */
.preloader {
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center;
  background: var(--color-bg);
  transition: opacity .7s var(--ease-out), visibility 0s .7s;
}
.preloader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader__inner {
  display: grid; justify-items: center; gap: 1.1rem;
  transform: translateY(6px);
  transition: transform .7s var(--ease-out);
}
.preloader.is-done .preloader__inner { transform: translateY(-10px); }
.preloader__mark {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--color-accent-deep); color: #F8F7F2;
  font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700;
  animation: preloader-pulse 1.6s var(--ease-inout) infinite;
}
@keyframes preloader-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-accent) 25%, transparent); }
  50% { transform: scale(1.04); box-shadow: 0 0 0 14px rgba(108,138,100,0); }
}
.preloader__brand {
  font-family: var(--font-serif); font-size: .82rem; font-weight: 700;
  letter-spacing: .34em; text-transform: uppercase;
  color: var(--color-text-sub);
  animation: preloader-track 1.4s var(--ease-out) both;
}
@keyframes preloader-track { from { opacity: 0; letter-spacing: .5em; } to { opacity: 1; letter-spacing: .34em; } }
.preloader__bar {
  width: 120px; height: 1px; overflow: hidden;
  background: var(--color-border);
}
.preloader__bar::after {
  content: ""; display: block; height: 100%; width: 40%;
  background: var(--color-accent);
  animation: preloader-slide 1.1s var(--ease-inout) infinite;
}
@keyframes preloader-slide { from { transform: translateX(-120%); } to { transform: translateX(320%); } }

/* ═══════════════════════════════════════════════════════════════════
   [16] 에디토리얼 마퀴 리본 — 히어로 ↔ 스탯 사이 키워드 흐름
   · 세리프 이탤릭 + 대문자 트래킹의 잉크 스트립 (장식, aria-hidden)
   ═══════════════════════════════════════════════════════════════════ */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--color-border);
  background: var(--color-bg);
  padding-block: 1.05rem;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex; align-items: baseline; gap: 1.4rem;
  width: max-content;
  animation: marquee-run 36s linear infinite;
}
.marquee__track span {
  font-family: var(--font-serif); font-style: italic;
  font-size: .95rem; letter-spacing: .06em;
  color: var(--color-text-sub); white-space: nowrap;
}
.marquee__track span:nth-child(4n+3) { font-style: normal; font-size: .8rem; letter-spacing: .3em; text-transform: uppercase; color: var(--color-accent); }
.marquee__track i { font-style: normal; color: var(--color-accent-2); font-size: .7rem; transform: translateY(-2px); }
@keyframes marquee-run { to { transform: translateX(-50%); } }

/* ═══════════════════════════════════════════════════════════════════
   [17] 스튜디오 갤러리 (masonry) + 라이트박스
   ═══════════════════════════════════════════════════════════════════ */
.studio { background: var(--color-bg); }
/* masonry — 자연 비율 무크롭: 세로·가로 어느 사진도 피사체가 잘리지 않고
   온전히 드러난다. 열 배치는 브라우저가 균등 분배(widows 방지) */
.studio__grid { columns: 2; column-gap: clamp(.8rem, 1.8vw, 1.4rem); }
.g-card {
  position: relative; display: block; width: 100%;
  margin-bottom: clamp(.8rem, 1.8vw, 1.4rem);
  border-radius: var(--radius-md); overflow: hidden;
  background: var(--color-bg-soft);
  box-shadow: var(--shadow-lift);
  break-inside: avoid;
  cursor: zoom-in;
}
.g-card img {
  width: 100%; height: auto; display: block;
  transform: scale(1.01);
  transition: transform 1.1s var(--ease-out);
}
.g-card:hover img, .g-card:focus-visible img { transform: scale(1.05); }
.g-card__scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(40,44,36,.42) 100%);
  opacity: 0; transition: opacity var(--dur-base) ease;
}
.g-card:hover .g-card__scrim, .g-card:focus-visible .g-card__scrim { opacity: 1; }
.g-card__cap {
  position: absolute; left: 1.1rem; bottom: .95rem;
  font-size: .64rem; letter-spacing: .26em; text-transform: uppercase;
  color: rgba(248,247,242,.95);
  opacity: 0; transform: translateY(6px);
  transition: opacity var(--dur-base) ease, transform var(--dur-base) var(--ease-out);
}
.g-card:hover .g-card__cap, .g-card:focus-visible .g-card__cap { opacity: 1; transform: none; }
.g-card__zoom {
  position: absolute; right: 1rem; top: 1rem;
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(248,247,242,.9); color: var(--color-text);
  opacity: 0; transform: translateY(-4px);
  transition: opacity var(--dur-base) ease, transform var(--dur-base) var(--ease-out);
}
.g-card:hover .g-card__zoom, .g-card:focus-visible .g-card__zoom { opacity: 1; transform: none; }
@media (min-width: 900px) { .studio__grid { columns: 3; } }

/* 라이트박스 */
.lightbox {
  position: fixed; inset: 0; z-index: 150;
  display: grid; place-items: center;
  background: rgba(40, 44, 36, .55);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-base) ease, visibility 0s var(--dur-base);
}
.lightbox.is-open { opacity: 1; visibility: visible; transition: opacity var(--dur-base) ease; }
.lightbox__stage {
  max-width: min(92vw, 1100px); max-height: 86vh;
  display: grid; gap: .9rem; justify-items: center;
  transform: scale(.96); transition: transform var(--dur-base) var(--ease-out);
}
.lightbox.is-open .lightbox__stage { transform: scale(1); }
.lightbox__stage img {
  max-width: 100%; max-height: 78vh; width: auto; height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 40px 90px -30px rgba(20, 24, 18, .6);
}
.lightbox__cap {
  display: flex; align-items: baseline; gap: .9rem;
  color: rgba(248,247,242,.9); font-size: .82rem; letter-spacing: .06em;
}
.lightbox__cap b { font-variant-numeric: tabular-nums; color: rgba(248,247,242,.55); font-weight: 500; }
.lightbox__close, .lightbox__nav {
  position: absolute; z-index: 1;
  width: 46px; height: 46px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(248,247,242,.92); color: var(--color-text);
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) ease;
}
.lightbox__close:hover, .lightbox__nav:hover:not([disabled]) { transform: translateY(-2px); background: #fff; }
.lightbox__nav:disabled { opacity: .35; cursor: default; }
.lightbox__close { top: clamp(1rem, 3vw, 2rem); right: clamp(1rem, 3vw, 2rem); }
.lightbox__nav--prev { left: clamp(.6rem, 2.4vw, 2.4rem); top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: clamp(.6rem, 2.4vw, 2.4rem); top: 50%; transform: translateY(-50%); }
.lightbox__nav--prev:hover:not([disabled]) { transform: translateY(-50%) translateX(-2px); }
.lightbox__nav--next:hover:not([disabled]) { transform: translateY(-50%) translateX(2px); }

/* ═══════════════════════════════════════════════════════════════════
   [18] 도트 내비 — 데스크톱 우측 섹션 인디케이터 (≥1024px)
   ═══════════════════════════════════════════════════════════════════ */
.dot-nav {
  display: none;
  position: fixed; right: 1.6rem; top: 50%; transform: translateY(-50%);
  z-index: 80;
  flex-direction: column; gap: .95rem;
}
.dot-nav a { position: relative; display: grid; place-items: center; width: 22px; height: 22px; }
.dot-nav i {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgba(42,46,39,.28);
  transition: transform var(--dur-base) var(--ease-out), background var(--dur-base) ease,
              box-shadow var(--dur-base) ease;
}
.dot-nav span {
  position: absolute; right: 26px; top: 50%; transform: translateY(-50%) translateX(6px);
  padding: .3rem .7rem; border-radius: var(--radius-full);
  background: var(--color-text); color: var(--color-bg);
  font-size: .72rem; font-weight: 600; letter-spacing: .04em; white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out);
}
.dot-nav a:hover span { opacity: 1; transform: translateY(-50%) translateX(0); }
.dot-nav a.is-active i { background: var(--color-accent-deep); transform: scale(1.5); box-shadow: 0 0 0 5px var(--color-accent-tint); }
@media (min-width: 1024px) { .dot-nav { display: flex; } }

/* ═══════════════════════════════════════════════════════════════════
   [19] 히어로 v2 디테일 — 단어 스태거 · 마그네틱 버튼 유틸
   ═══════════════════════════════════════════════════════════════════ */
.hero__word {
  display: inline-block;
  opacity: 0; transform: translateY(.5em) rotate(.4deg);
  animation: hero-word .8s var(--ease-out) calc(.55s + var(--wd, 0s)) both;
}
/* 단어 스태거 사용 시 라인 단위 라이즈 애니메이션은 끈다 (이중 동작 방지) */
.hero__line--split > span { animation: none; transform: none; }
@keyframes hero-word { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .hero__word { animation: none; opacity: 1; transform: none; } }

/* 마그네틱 버튼 — JS 가 transform 을 덮어쓰므로 이탈 시 원복 트랜지션만 제공 */
.hero__actions .btn, .header-cta { will-change: transform; }