/* 아틀리에 구떼 v2 — 서브페이지 공용 r2 (DESIGN.md: stayfolio 기반, 26-07-26 검수 반영)
   본문 마크업(v1 클래스)은 그대로 두고 이 시트가 스테이폴리오 문법으로 다시 입힌다.
   상태 계약: 모달=[hidden] · 내비=nav-toggle[aria-expanded] · 토스트=.show (app.js 무수정) */
:root{
  --ink:#181818; --ink-h:#171719; --ink-brand:#1a1a1a; --black:#000000; --graphite:#333333;
  --muted:#6b6b6e; --faint:#767678;
  --canvas:#ffffff; --paper:#f2f2f2; --paper-alt:#f5f5f5; --hairline:#dfe0e2;
  --pine:#143830;
  --sans:"Pretendard Variable",Pretendard,-apple-system,system-ui,sans-serif;
  --m-fast:120ms; --m-std:240ms;
  --ease-enter:cubic-bezier(.2,.6,.25,1); --ease-std:cubic-bezier(.25,.1,.25,1);
}
*{box-sizing:border-box}
html,body{margin:0}
figure{margin:0}
body{font-family:var(--sans);font-weight:400;font-size:14px;line-height:1.5;color:var(--ink);background:var(--canvas)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
h1{font-size:28px;font-weight:600;line-height:1.29;letter-spacing:-.56px;color:var(--ink-h);margin:0 0 16px}
h2{font-size:28px;font-weight:600;line-height:1.29;letter-spacing:-.56px;color:var(--ink-h);margin:0 0 16px}
h3{font-size:20px;font-weight:600;line-height:1.4;letter-spacing:-.2px;color:var(--graphite);margin:0 0 8px}
p{margin:0 0 8px}
strong{font-weight:600}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== 헤더 ===== */
.site-header{position:relative;display:flex;align-items:center;gap:24px;max-width:1120px;margin:0 auto;
  padding:0 24px;height:64px;background:var(--canvas);border-bottom:1px solid var(--hairline)}
.brand{display:flex;align-items:center;gap:8px;white-space:nowrap;min-height:44px}
.brand-mark{display:none}
.brand strong{font-size:16px;font-weight:600;color:var(--ink-brand)}
.brand small{display:block;font-size:12px;font-weight:400;color:var(--faint);letter-spacing:.12em;text-transform:uppercase}
.site-nav{display:flex;gap:24px;margin-left:auto}
.site-nav a{font-size:16px;font-weight:600;color:var(--ink-brand);text-transform:uppercase;
  padding:20px 0;border-bottom:2px solid transparent;transition:opacity var(--m-fast) var(--ease-std)}
.site-nav a:hover{opacity:.6}
.site-nav a:active{opacity:.5}
.site-nav a[aria-current]{border-bottom-color:var(--ink-brand)}
.header-cta{display:inline-flex;align-items:center;justify-content:center;background:var(--black);color:var(--canvas);
  border-radius:20px;height:40px;padding:8px 16px;font-size:16px;font-weight:500;white-space:nowrap;
  transition:opacity var(--m-fast) var(--ease-std)}
.header-cta:hover{opacity:.85}
.nav-toggle{display:none;background:none;border:1px solid var(--hairline);border-radius:9999px;
  width:44px;height:44px;cursor:pointer;padding:0;margin-left:auto;flex-direction:column;
  align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink-brand)}

/* ===== 본문 골격 ===== */
.subpage-main{display:block}
.section{max-width:1120px;margin:0 auto;padding:64px 24px;border-top:1px solid var(--hairline)}
.subpage-main>.section:first-child,.subpage-main>.section:first-of-type,.reserve-section{border-top:0}
.section-heading{margin-bottom:40px;max-width:640px}
.section-heading p{color:var(--muted)}
.eyebrow{font-size:16px;font-weight:600;text-transform:uppercase;color:var(--ink-brand);margin:0 0 16px;display:block;letter-spacing:0}
.section-heading .eyebrow{margin-bottom:8px}

/* ===== 그리드·카드 ===== */
.info-grid,.process-grid,.price-grid,.feature-grid,.guide-grid{display:grid;gap:24px}
.info-grid{grid-template-columns:repeat(3,1fr)}
.info-grid.three{grid-template-columns:repeat(3,1fr)}
.info-grid.four{grid-template-columns:repeat(4,1fr)}
.process-grid{grid-template-columns:repeat(4,1fr)}
.price-grid{grid-template-columns:repeat(4,1fr)}
.feature-grid{grid-template-columns:repeat(4,1fr)}
.guide-grid{grid-template-columns:repeat(2,1fr)}
.info-card,.price-card,.process-card,.rule-card,.feature-grid article,.estimate-card{
  background:var(--canvas);border:1px solid var(--hairline);border-radius:0;padding:24px}
.info-card>span:first-child,.price-card>span:first-child,.process-card>span:first-child,
.feature-grid article>span:first-child,.card-label{
  display:block;font-size:14px;color:var(--muted);margin-bottom:8px;letter-spacing:0}
.info-card p,.price-card p,.process-card p,.rule-card p,.feature-grid article p{color:var(--muted);margin:0}
.price-card strong{display:block;font-size:20px;font-weight:600;letter-spacing:-.2px;color:var(--graphite);
  font-variant-numeric:tabular-nums;margin:4px 0}
.price-card.featured{border-color:var(--ink-brand)}
.rule-card h3{margin-bottom:8px}
.split-panel{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.split-panel>*,.space-layout>*,.location-layout>*,.reserve-grid>*,.field-row>*{min-width:0}
.notice-panel{background:var(--paper);border:0;padding:24px;color:var(--muted);margin-top:24px}
.map-panel{border:1px solid var(--hairline);padding:24px}
.map-pin{color:var(--muted)}
.location-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.contact-panel{display:grid;gap:16px}
.contact-panel article span{display:block;font-size:14px;color:var(--muted);margin-bottom:4px}
.contact-panel article a,.contact-panel article strong{display:inline-flex;align-items:center;min-height:44px;
  font-size:20px;font-weight:600;letter-spacing:-.2px;color:var(--graphite);font-variant-numeric:tabular-nums}
.contact-panel article a{text-decoration:underline;text-decoration-color:var(--hairline);text-underline-offset:4px}
.contact-panel article a:hover{text-decoration-color:var(--graphite)}

/* 리스트 */
ul.check-list,.check-list,.estimate-card ul{list-style:none;margin:0;padding:0}
.check-list li,.estimate-card li{padding:16px 0;border-top:1px solid var(--hairline);color:var(--muted)}
.check-list li:first-child,.estimate-card li:first-child{border-top:0}

/* 수수료표 */
.fee-table [role=row]{display:flex;justify-content:space-between;align-items:center;
  padding:16px 0;border-top:1px solid var(--hairline)}
.fee-table [role=row]:first-child{border-top:0}
.fee-table strong{font-variant-numeric:tabular-nums;color:var(--graphite)}

/* FAQ */
details{border-top:1px solid var(--hairline);padding:8px 0}
details summary{cursor:pointer;font-size:16px;font-weight:600;color:var(--ink);
  min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--muted);font-weight:400}
details[open] summary::after{content:"−"}
details p{color:var(--muted)}

/* ===== 갤러리 (시설) ===== */
.space-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.gallery>img,#galleryMain{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--paper)}
.gallery-thumbs{display:flex;gap:8px;margin-top:8px}
.gallery-thumbs button{padding:0;border:1px solid var(--hairline);background:none;cursor:pointer;
  width:72px;height:54px;overflow:hidden;border-radius:0}
.gallery-thumbs button.active{border-color:var(--ink-brand)}
.gallery-thumbs img{width:100%;height:100%;object-fit:cover}

/* ===== 버튼 ===== */
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:20px;height:40px;
  padding:8px 16px;font-size:16px;font-weight:500;border:0;cursor:pointer;white-space:nowrap;
  transition:opacity var(--m-fast) var(--ease-std),transform var(--m-fast) var(--ease-std);background:none;font-family:inherit}
.button.primary,.button.dark{background:var(--black);color:var(--canvas)}
.button.primary:hover,.button.dark:hover{opacity:.85}
.button.primary:active,.button.dark:active{transform:scale(.98)}
.button.outline,.button.light{border:1px solid var(--hairline);color:var(--ink-brand);border-radius:100px}
.button.outline:hover,.button.light:hover{background:var(--paper)}
.button:active{opacity:.7}

/* ===== 예약 페이지 ===== */
.hero{max-width:1120px;margin:0 auto;padding:64px 24px 40px}
.hero-media{display:none}   /* 예약 페이지는 텍스트 우선 — 사진은 홈이 담당 (의도 주석) */
.hero-copy>p:not(.eyebrow){color:var(--muted);max-width:520px}
.hero-actions{display:flex;gap:16px;margin-top:24px;flex-wrap:wrap}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;padding:0}
.hero-facts>*{border-left:1px solid var(--hairline);padding-left:24px;list-style:none;min-width:0}
.hero-facts>*:first-child{border-left:0;padding-left:0}
.booking-strip{max-width:1072px;margin:0 auto;border:1px solid var(--hairline);border-radius:100px;
  display:flex;align-items:center;gap:16px;padding:8px 8px 8px 24px;
  box-shadow:rgba(0,0,0,.08) 0px 4px 8px;background:var(--canvas)}
.booking-strip p{margin:0;flex:1;min-width:0}
.strip-actions{display:flex;gap:8px}
.reserve-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.reserve-form label{display:block;font-size:14px;color:var(--ink);margin:16px 0 8px}
.reserve-form>label:first-child{margin-top:0}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.reserve-form input,.reserve-form select,.reserve-form textarea{
  width:100%;min-height:44px;padding:8px 16px;font:inherit;font-size:16px;color:var(--ink);background:var(--canvas);
  border:1px solid var(--hairline);border-radius:100px;min-width:0;max-width:100%}
.reserve-form textarea{border-radius:20px;min-height:88px;resize:vertical}
.reserve-form input:focus,.reserve-form select:focus,.reserve-form textarea:focus{border-color:var(--graphite);outline:none}
.reserve-form input::placeholder,.reserve-form textarea::placeholder{color:var(--faint)}
.form-actions{display:flex;gap:16px;margin-top:24px;align-items:center;flex-wrap:wrap}
.message-preview{margin-top:24px;background:var(--paper);padding:16px;font-size:14px;color:var(--muted);
  white-space:pre-wrap;word-break:break-word}
.estimate-card .card-label{margin-bottom:8px}
#estimatePrice{display:block;font-size:28px;font-weight:600;letter-spacing:-.56px;color:var(--ink-h);
  font-variant-numeric:tabular-nums;margin:0 0 4px}
#estimateDetail{color:var(--muted)}
.deposit-box{background:var(--paper);padding:16px;font-variant-numeric:tabular-nums}
.flag{display:inline-block;background:var(--pine);color:var(--canvas);font-size:14px;padding:4px 8px;margin-top:16px}

/* ===== 토스트·모달 (app.js 계약 유지) ===== */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(8px);z-index:20;
  background:var(--black);color:var(--canvas);border-radius:100px;padding:8px 20px;font-size:14px;
  opacity:0;pointer-events:none;transition:opacity var(--m-std) var(--ease-enter),transform var(--m-std) var(--ease-enter)}
.toast.show{opacity:1;transform:translateX(-50%)}
.modal-backdrop{position:fixed;inset:0;z-index:30;background:rgba(24,24,24,.55);
  display:flex;align-items:center;justify-content:center;padding:24px}
.modal-backdrop[hidden]{display:none}
.modal-card{position:relative;background:var(--canvas);max-width:480px;width:100%;padding:24px;max-height:85vh;overflow-y:auto}
.modal-actions{display:flex;gap:16px;margin-top:24px;flex-wrap:wrap}
.modal-copy{color:var(--muted)}
.modal-close{position:absolute;top:8px;right:8px;background:none;border:0;cursor:pointer;font-size:16px;
  color:var(--faint);min-width:44px;min-height:44px}

/* ===== 푸터 ===== */
.site-footer{border-top:1px solid var(--hairline);margin-top:64px}
.site-footer>div:first-child{max-width:1120px;margin:0 auto;padding:40px 24px 0}
.site-footer strong{font-size:16px;font-weight:600;color:var(--ink-brand)}
.site-footer p{color:var(--muted);margin:4px 0 0}
.footer-links{max-width:1120px;margin:0 auto;padding:16px 24px 64px;display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{color:var(--muted);display:inline-flex;align-items:center;min-height:44px;padding:0 16px;margin:0 -16px}
.footer-links a:hover{color:var(--ink)}
.operator-link a{color:var(--faint)}
.mobile-cta{display:none}

/* ===== 반응형 ===== */
@media (max-width:1023px){
  .info-grid,.info-grid.three,.info-grid.four,.process-grid,.price-grid,.feature-grid{grid-template-columns:1fr 1fr}
  .guide-grid{grid-template-columns:1fr 1fr}
  .reserve-grid,.location-layout,.space-layout{grid-template-columns:1fr}
}
@media (max-width:639px){
  .site-header{flex-wrap:wrap;height:auto;padding:16px 24px;row-gap:8px}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .site-nav{display:none;width:100%;order:4;flex-direction:column;gap:0;margin-left:0}
  .nav-toggle[aria-expanded="true"]~.site-nav{display:flex}
  .site-nav a{padding:16px 0;border-bottom:1px solid var(--hairline);min-height:44px;display:flex;align-items:center}
  h1,h2{font-size:24px;letter-spacing:-.48px}
  .section{padding:40px 24px}
  .info-grid,.info-grid.three,.info-grid.four,.process-grid,.price-grid,.split-panel,.space-layout,
  .reserve-grid,.location-layout,.feature-grid,.guide-grid{grid-template-columns:1fr}
  .hero{padding:40px 24px 24px}
  .hero-facts{grid-template-columns:1fr;gap:16px}
  .hero-facts>*{border-left:0;padding-left:0;border-top:1px solid var(--hairline);padding-top:16px}
  .hero-facts>*:first-child{border-top:0;padding-top:0}
  .booking-strip{border-radius:20px;flex-direction:column;align-items:stretch;gap:8px;padding:16px;margin:0 24px}
  .strip-actions{flex-direction:column}
  .button,.header-cta{min-height:44px}
  .field-row{grid-template-columns:1fr}
  .mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:15;background:var(--canvas);
    border-top:1px solid var(--hairline);padding:16px 16px calc(16px + env(safe-area-inset-bottom));gap:16px}
  .mobile-cta a{flex:1;min-height:44px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--hairline);border-radius:100px}
  .mobile-cta a:last-child{background:var(--black);color:var(--canvas);border:0;border-radius:20px}
  body{padding-bottom:80px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important}
}

/* 구비 장비 (26-08-25) — 기존 카드/리스트 토큰 재사용, 새 색·폰트 도입 없음 */
.equipment-extra{margin-top:24px}
.equipment-section .info-card h3{margin-bottom:8px}
.equipment-section .info-card .check-list li{padding:12px 0}

/* 🚨 26-08-26 수리: .space-layout은 오른쪽 칸이 .8fr(약 410px)인데 그 안의 .feature-grid가 4열이라
   칸당 ~85px → 패딩 빼면 글자 폭 37px → 카드 글자가 세로로 한 글자씩 쪼개졌다(원장 발견).
   좁은 칸 안에서는 2열로 내린다. 넓은 화면에서 .feature-grid 단독으로 쓰일 때는 4열 그대로. */
.space-layout .feature-grid{grid-template-columns:repeat(2,1fr);gap:16px}

/* 장비 사진 + 전자드럼 고지 (26-08-26)
   DESIGN.md 준수: 사진 라운드 0(에디토리얼 프레이밍) · 그림자 없음 · 파인(#143830)은 플래그에만. */
.equip-shot{margin:-24px -24px 16px;background:var(--paper)}
/* height:auto 필수 — <img height="747"> 속성이 presentational hint로 높이를 잡아버려
   aspect-ratio가 무시된다(갤러리 이미지는 속성이 없어 멀쩡했다). 속성은 CLS 방지용으로 남긴다. */
.equip-shot img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;display:block}
.equipment-grid .info-card{display:flex;flex-direction:column}
.equipment-grid .info-card .check-list{margin-top:auto}

/* 전자드럼 고지 — 이 페이지의 유일한 채도 표면 */
.drum-notice{background:var(--pine);color:#fff;padding:20px 24px;margin:0 0 24px;
  font-size:16px;line-height:1.6}
.drum-notice strong{font-weight:600}
.tag-electronic{display:inline-block;vertical-align:middle;margin-left:6px;padding:2px 8px;
  background:var(--pine);color:#fff;font-size:12px;font-weight:600;font-style:normal;letter-spacing:.04em}
.drum-notice a{text-decoration:underline;text-underline-offset:3px;white-space:nowrap}

/* 제조사 공식 제품컷 — 실물 사진과 달리 잘리면 안 되므로 contain + 흰 배경 (26-08-27) */
.equip-shot.product{background:#fff}
.equip-shot.product img{object-fit:contain;padding:14px}

/* 26-08-30 위치 페이지 건물 외관 — 처음 오는 손님이 «저 건물이구나» 하는 데 쓰는 컷.
   세로 사진이라 폭을 묶어두지 않으면 화면을 다 잡아먹는다.
   height:auto 는 여기서도 필수(위 .equip-shot 주석의 그 함정). */
.exterior-shot{margin:0 0 32px}
.exterior-shot img{display:block;width:100%;max-width:380px;height:auto;border:1px solid var(--hairline);background:var(--paper)}
.exterior-shot figcaption{margin-top:10px;font-size:14px;color:var(--muted);max-width:380px;line-height:1.6}
@media (max-width:720px){.exterior-shot img,.exterior-shot figcaption{max-width:100%}}

/* 26-10-30 원장: 가격표 카드를 누르면 그 상품으로 예약 신청서가 열린다 (a.price-card) */
a.price-card{display:block;transition:border-color var(--m-fast) var(--ease-std)}
a.price-card:hover{border-color:var(--ink-brand)}
.price-card .card-go{display:block;margin-top:12px;font-style:normal;font-size:14px;font-weight:600;color:var(--ink-brand)}