/* Archivo(OFL) 셀프호스팅 — 이 앱의 CSP(style-src 'self')가 외부 폰트 CDN을
   막고, 방문자 브라우저가 구글에 요청을 보내지 않게 하는 프라이버시 이점도 있다.
   가변 폰트 1파일(35KB, latin)로 400~700을 모두 커버한다. */
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
  src: url("/fonts/archivo-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ============================================================
   디자인 언어: 기관/미술관 사이트(Getty, Exploratorium)의 문법을 따른다.
   - 모서리 반경 0, 그림자 없음. 면을 나누는 건 헤어라인 규칙선.
   - 제목은 굵기 500 전후 + 자간 거의 0. 800/타이트 자간은 쓰지 않는다.
   - 색은 잉크(거의 검정) + 종이(흰색) + 액센트 파랑 하나로 제한.
   - 그라디언트 메시, 글래스, 알약 칩은 쓰지 않는다.
   ============================================================ */
:root {
  --ink: #15181d;
  --ink-soft: #545c68;
  --ink-faint: #6c7480; /* WCAG AA(4.5:1) on white; small helper text */
  --bg: #ffffff;
  --paper: #f4f4f2;      /* 밴드 배경. 회색보다 살짝 따뜻하게 */
  --line: #dcdee2;       /* 헤어라인 */
  --line-strong: #b9bdc4;
  --ink-dark: #12151a;   /* 어두운 면(히어로 스크림, 푸터) */
  /* 액센트는 CTA와 링크에만. #1f5fd2는 흰 글씨와 5.8:1로 AA. */
  --blue: #1f5fd2;
  --blue-dark: #16409e;
  --blue-soft: #eaf0fd;
  --navy: #10265c;
  --green-soft: #e6f6ec;
  --green-ink: #16713f;
  --teal-soft: #e0f5f2;
  --teal-ink: #0b7a70;
  --red-soft: #fdeeee;
  --red-ink: #c31b2b;
  --amber-soft: #fbf3e2;
  --amber-ink: #8a5806;
  --radius: 0px;
  --maxw: 1120px;
  --font-display: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --shadow: none;
  --shadow-sm: none;
}

/* ---------- 다크모드 (전 페이지, OS 설정 자동) ---------- */
@media (prefers-color-scheme: dark) {
  body {
    --ink: #eaecf0; --ink-soft: #a7aeb9; --ink-faint: #8d95a1;
    --bg: #0f1216; --paper: #171b21;
    --line: rgba(255,255,255,.14); --line-strong: rgba(255,255,255,.28);
    --ink-dark: #0a0c10;
    --blue: #5b93f7; --blue-dark: #8fb5fa; --blue-soft: rgba(91,147,247,.16);
    --navy: #9db9f0;
    --green-soft: rgba(63,184,131,.16); --green-ink: #63cea1;
    --teal-soft: rgba(59,182,166,.16); --teal-ink: #55cfc0;
    --red-soft: rgba(240,104,94,.16); --red-ink: #f39189;
    --amber-soft: rgba(214,160,73,.16); --amber-ink: #e2b96c;
    color: var(--ink);
    background: var(--bg);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
/* 메뉴가 열려 있는 동안 뒤 배경은 스크롤되지 않는다. html에도 걸어야 데스크톱
   휠 스크롤까지 막힌다. scrollbar-gutter는 스크롤바가 사라지며 폭이 튀는 것 방지. */
html { scrollbar-gutter: stable; }
html.nav-open, body.nav-open { overflow: hidden; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font-family: var(--font-display);
  line-height: 1.62; font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; letter-spacing: -.005em; }
a { color: inherit; text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; text-decoration-color: var(--line-strong); }
a:hover { text-decoration-color: currentColor; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
@media (max-width: 560px) { .wrap { padding: 0 20px; } }

/* Accessibility: skip-to-content link, visible only on keyboard focus */
.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px;
  font-weight: 600; font-size: 14px; transition: top .15s; text-decoration: none;
}
.skip-link:focus { top: 12px; }
#main:focus { outline: none; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

/* ---------- top nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg); border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 18px; height: 68px; }
.brand { display: flex; align-items: center; flex: none; text-decoration: none; }
/* 원본 378x148 비율 유지 */
.brand-logo { height: 38px; width: auto; display: block; }
.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav-links a {
  color: var(--ink-soft); padding: 8px 10px; font-size: 14.5px; font-weight: 400;
  white-space: nowrap; text-decoration: none;
}
.nav-links a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 5px; }
.nav-cta {
  background: var(--ink); color: var(--bg) !important; font-weight: 500;
  padding: 10px 18px !important; margin-left: 8px;
}
.nav-cta:hover { background: var(--blue-dark); color: #fff !important; text-decoration: none !important; }

/* 햄버거 버튼: 좁은 화면 전용 */
.nav-toggle {
  display: none; margin-left: auto; width: 44px; height: 44px; padding: 0;
  border: 1px solid var(--line-strong); background: transparent; cursor: pointer;
  align-items: center; justify-content: center; color: var(--ink);
}
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after {
  display: block; width: 22px; height: 2px; background: currentColor;
  transition: transform .18s ease, background .18s ease;
}
.nav-toggle .bars { position: relative; }
.nav-toggle .bars::before, .nav-toggle .bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle .bars::before { top: -7px; }
.nav-toggle .bars::after { top: 7px; }
/* 열리면 X 로 */
.nav-open .nav-toggle .bars { background: transparent; }
.nav-open .nav-toggle .bars::before { top: 0; transform: rotate(45deg); }
.nav-open .nav-toggle .bars::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 900px) {
  .nav-inner { gap: 10px; height: 60px; }
  .brand-logo { height: 32px; }
  .nav-toggle { display: flex; }
  /* 링크는 헤더 아래로 펼쳐지는 판이 된다. 헤더가 sticky라 콘텐츠 위에 얹힌다. */
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0; margin: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 4px 0 24px;
  }
  .nav-open .nav-links { display: flex; }
  .nav-links a {
    padding: 15px 28px; font-size: 16px; color: var(--ink);
    border-top: 1px solid var(--line);
  }
  .nav-links a:hover { background: var(--paper); text-decoration: none; }
  .nav-cta {
    margin: 14px 28px 0; padding: 14px 18px !important; text-align: center;
    border-top: 0; font-size: 16px;
  }
}
@media (max-width: 560px) {
  .nav-links a { padding-left: 20px; padding-right: 20px; }
  .nav-cta { margin-left: 20px; margin-right: 20px; }
}

/* ---------- hero: 평평한 잉크 밴드 + 큰 타이포 ----------
   그라디언트 메시/격자 오버레이를 쓰지 않는다. 사진은 전시 슬라이더가 맡는다. */
.hero { background: var(--ink-dark); color: #fff; }
/* .wrap의 좌우 패딩을 지우지 않도록 세로 패딩만 지정한다 */
.hero-inner { padding-top: 104px; padding-bottom: 96px; }
@media (max-width: 760px) { .hero-inner { padding-top: 64px; padding-bottom: 60px; } }
.hero h1 {
  font-size: clamp(36px, 6vw, 66px); line-height: 1.04; margin: 0 0 22px; max-width: 11em;
  font-weight: 500; letter-spacing: -.02em; color: #fff;
}
.hero p.lead { font-size: clamp(17px, 1.7vw, 20px); color: #ced3db; margin: 0 0 34px; max-width: 32em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .btn-primary { background: #fff; color: var(--ink-dark); }
.hero .btn-primary:hover { background: #dfe3ea; color: var(--ink-dark); }
.hero .btn-ghost { background: transparent; color: #fff; box-shadow: inset 0 0 0 1px rgba(255,255,255,.45); }
.hero .btn-ghost:hover { background: rgba(255,255,255,.1); }
/* Decorative exterior: separate grid tracks keep artwork clear of all copy. */
.hero-copy { min-width: 0; }
.hero .building-line { display: none; color: rgba(255,255,255,.55); }
.hero .building-line .bl-outline { color: rgba(255,255,255,.8); }
@media (min-width: 901px) {
  .hero-inner {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .84fr);
    align-items: center; column-gap: 28px;
  }
  .hero .building-line {
    display: block; width: 100%; height: auto;
  }
}
/* 히어로 바로 아래 사실 한 줄. 알약 칩 대신 헤어라인으로 구분된 정보 바 */
.factbar { border-bottom: 1px solid var(--line); }
.factbar .wrap {
  display: flex; flex-wrap: wrap; gap: 4px 32px; padding-top: 16px; padding-bottom: 16px;
  font-size: 14.5px; color: var(--ink-soft);
}
.factbar b { font-weight: 500; color: var(--ink); }
.factbar .en { color: var(--teal-ink); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; border: 0; cursor: pointer; font-weight: 500; font-size: 16px;
  padding: 14px 26px; font-family: inherit; text-decoration: none; transition: background .15s, color .15s;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--blue-dark); color: #fff; text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line-strong); }
.btn-ghost:hover { background: var(--paper); text-decoration: none; }
.btn-outline { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line-strong); }
.btn-outline:hover { background: var(--paper); text-decoration: none; }
.btn-danger { background: var(--red-ink); color: #fff; }

/* ---------- sections ---------- */
section { padding: 84px 0; }
@media (max-width: 760px) { section { padding: 56px 0; } }
h2.sec { font-size: clamp(27px, 3.2vw, 38px); margin: 0 0 14px; font-weight: 500; letter-spacing: -.012em; line-height: 1.16; }
p.sec-sub { color: var(--ink-soft); margin: 0 0 40px; max-width: 62ch; font-size: 17px; }
section.band { background: var(--paper); }

.grid { display: grid; gap: 0; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); column-gap: 40px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); column-gap: 48px; }
@media (max-width: 860px) { .grid.cols-3, .grid.cols-2 { grid-template-columns: 1fr; } }

/* 카드는 면(회색 박스)이 아니라 위쪽 헤어라인으로 구분되는 칼럼이다 */
.card { border-top: 1px solid var(--ink); padding: 20px 0 8px; background: none; }
.card h3 { margin: 0 0 10px; font-size: 19px; font-weight: 600; }
.card p, .card ul { margin: 0; color: var(--ink-soft); font-size: 15.5px; }
.card p + p { margin-top: 10px; }
.card ul { padding-left: 0; list-style: none; }
.card ul li { margin-bottom: 8px; padding-left: 16px; position: relative; }
.card ul li::before { content: ""; position: absolute; left: 0; top: 11px; width: 6px; height: 1px; background: var(--ink-faint); }
.card .big { font-size: 20px; font-weight: 500; color: var(--ink); margin: 0 0 10px; }
.card .k { display: none; } /* 반복되는 대문자 키커는 쓰지 않는다 */

/* 라벨: 알약 대신 각진 태그 한 종류 */
.badge {
  display: inline-block; font-size: 11.5px; font-weight: 600; padding: 3px 8px;
  letter-spacing: .06em; text-transform: uppercase; vertical-align: 2px;
}
.badge.res-needed { background: var(--blue-soft); color: var(--blue-dark); }
.badge.walkin { background: var(--green-soft); color: var(--green-ink); }
.badge.korean { background: var(--paper); color: var(--ink-soft); }
.badge.english { background: var(--teal-soft); color: var(--teal-ink); }
.badge.closed { background: var(--red-soft); color: var(--red-ink); }

/* ---------- floors: a sticky, bidirectional building story ---------- */
.floors-layout, .floors-panels, .floor-panel, .floor-copy { min-width: 0; }
.floors-stage { display: none; color: var(--ink); }
#floors .building-art { display: block; width: 100%; height: auto; max-height: 100%; }
#floors .building-art * { vector-effect: non-scaling-stroke; }
.floors-art-fallback, .floor-fallback { width: 100%; max-width: 620px; margin: 24px auto; }
.floor-fallback { height: auto; }
.floor-panel { padding: 32px 0; border-top: 1px solid var(--line); }
.floor-panel-exterior { border-top: 0; padding-top: 0; }
.floor-number { display: block; font: 500 14px/1.4 var(--font-mono); color: var(--ink-soft); margin-bottom: 12px; }
.floor-copy h3 { margin: 0 0 16px; font-size: 25px; line-height: 1.3; }
.floor-copy .badge { margin: 12px 0 0; display: table; }
.floor-copy p { color: var(--ink-soft); }
.floor-copy p:last-child { margin-bottom: 0; }
.floors-credit { margin: 24px 0 0; padding-top: 12px; border-top: 1px solid var(--line); color: var(--ink-faint); font-size: 12px; }
#floors.is-scrolly .floors-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 48px; align-items: start; }
#floors.is-scrolly .floors-stage { display: block; position: sticky; top: 96px; height: min(70vh, 620px); height: min(70svh, 620px); max-height: calc(100vh - 112px); max-height: calc(100svh - 112px); }
#floors.is-scrolly .floor-panel { min-height: 70vh; display: flex; flex-direction: column; justify-content: center; }
#floors.is-scrolly .floor-fallback, #floors.is-scrolly .floors-art-fallback { display: none; }
.floors-visual { position: absolute; inset: 12px 12px 54px; }
.floors-scene { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; pointer-events: none; }
#floors img.floors-scene { padding: 0 14.5% 0 17.1%; }
#floors.is-scrolly .floors-scene { transition: opacity .12s linear; }
div.floors-scene { display: flex; align-items: center; justify-content: center; }
.floors-scene.is-active { opacity: 1; z-index: 1; }
.floors-stage[data-active="4f"] .ba-floor[data-floor="4"] { fill: var(--red-soft); stroke: var(--red-ink); stroke-width: 1.5px; vector-effect: non-scaling-stroke; }
.floors-stage[data-active="4f"] .ba-cap-seam { stroke: var(--red-ink); stroke-width: 1.5px; }
.floors-closed-label { display: none; position: absolute; top: 12px; left: 12px; color: var(--red-ink); font: 500 13px/1.5 var(--font-mono); }
.floors-stage[data-active="4f"] .floors-closed-label { display: block; }
.floors-indicator { position: absolute; bottom: 0; inset-inline: 0; display: flex; justify-content: center; gap: 24px; border-top: 1px solid var(--line); padding-top: 12px; color: var(--ink-faint); font: 500 13px/1.5 var(--font-mono); }
.floors-indicator span { border-bottom: 2px solid transparent; padding-bottom: 5px; }
.floors-indicator .is-current { color: var(--ink); border-color: var(--ink); }
@media (max-width: 900px) {
  #floors.is-scrolly .floors-layout { display: block; }
  #floors.is-scrolly .floors-stage { top: 60px; height: 42vh; height: 42svh; max-height: calc(100svh - 76px); background: var(--bg); z-index: 2; }
  #floors.is-scrolly .floor-panel { min-height: calc(58vh - 60px); min-height: calc(58svh - 60px); padding: 32px 0; justify-content: center; }
  #floors.is-scrolly .floor-panel-exterior { padding-top: 24px; }
  .floor-copy h3 { font-size: 23px; }
  .floors-visual { inset: 8px 8px 44px; }
  .floors-indicator { padding-top: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  #floors.is-scrolly .floors-scene { transition: none; animation: none; transform: none; }
}

.note { padding: 14px 16px; font-size: 14.5px; margin-top: 16px; }
.note.warn { background: var(--amber-soft); color: var(--amber-ink); }
.note.info { background: var(--blue-soft); color: var(--blue-dark); }

.compare-tour, .compare-walk { background: none; }

/* ---------- exhibitions: 한 번에 한 장씩 ---------- */
.slider { position: relative; }
.slides {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
  scrollbar-width: none; -ms-overflow-style: none;
}
.slides::-webkit-scrollbar { display: none; }
.slides:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
/* 슬라이드는 링크가 아니라 카드다. 상세 페이지를 두지 않는다 — 이 사이트는 예약이
   먼저이고, 전시 자체 설명은 과학관 공식 홈페이지가 맡는다. */
.slide {
  flex: 0 0 100%; scroll-snap-align: start;
  display: grid; grid-template-columns: 1.25fr 1fr; gap: 36px; align-items: start;
}
@media (max-width: 860px) { .slide { grid-template-columns: 1fr; gap: 20px; } }
/* width/height 속성이 프레젠테이션 힌트로 높이를 고정하므로 height:auto가 필요하다 */
.slide img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.slide-body { padding: 0; }
.slide-body h3 { margin: 0 0 12px; font-size: clamp(21px, 2.2vw, 26px); font-weight: 500; }
.slide-body h3 .badge { margin-left: 8px; }
.slide-body p { margin: 0; color: var(--ink-soft); font-size: 16px; line-height: 1.62; }
/* 사실 목록: 알약 칩 대신 헤어라인 표 */
.ex-facts { margin-top: 22px; border-top: 1px solid var(--line); }
.ex-facts span {
  display: flex; gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--line);
  font-size: 14.5px; color: var(--ink);
}
.ex-facts b { flex: 0 0 84px; font-weight: 400; color: var(--ink-faint); }
.slider-controls {
  display: flex; align-items: center; gap: 10px; margin-top: 28px;
  border-top: 1px solid var(--line); padding-top: 18px;
}
.slide-nav {
  width: 44px; height: 44px; border: 1px solid var(--line-strong); background: transparent;
  cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--ink);
}
.slide-nav:hover { background: var(--paper); }
.slide-nav::before {
  content: ""; width: 9px; height: 9px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
}
.slide-nav.prev::before { transform: rotate(135deg); margin-left: 4px; }
.slide-nav.next::before { transform: rotate(-45deg); margin-right: 4px; }
.slide-count { margin-left: auto; font-family: var(--font-mono); font-size: 13px; color: var(--ink-faint); }
.slide-dots { display: flex; gap: 8px; margin-left: 6px; }
.slide-dots button {
  width: 26px; height: 2px; border: 0; background: var(--line-strong); cursor: pointer; padding: 0;
}
.slide-dots button.on { background: var(--ink); }

/* ---------- getting here ---------- */
.map-figure { position: relative; overflow: hidden; background: var(--paper); border: 1px solid var(--line); }
.map-grid { display: grid; grid-template-columns: repeat(3, 1fr); line-height: 0; }
.map-grid img { width: 100%; }
.pin { position: absolute; transform: translate(-50%, -100%); text-align: center; line-height: 1; }
.pin .dot {
  width: 14px; height: 14px; border-radius: 50%; display: inline-block;
  border: 3px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.4);
}
.pin.museum .dot { background: var(--blue); width: 18px; height: 18px; }
.pin .tag {
  display: block; margin-top: 5px; background: var(--ink-dark); color: #fff; font-size: 11.5px;
  font-weight: 500; padding: 3px 8px; white-space: nowrap;
}
.pin.museum .tag { background: var(--blue); font-size: 12.5px; }
.pin.station .dot { background: #333d4b; }
.map-attrib {
  position: absolute; right: 0; bottom: 0; font-size: 10px; color: #4a4a4a;
  background: rgba(255,255,255,.82); padding: 2px 6px;
}
.route { display: flex; gap: 20px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--line); }
.route:first-child { border-top: 1px solid var(--ink); }
.route:last-child { border-bottom: 0; }
.route .mode {
  flex: 0 0 120px; font-weight: 500; font-size: 12px; letter-spacing: .08em;
  color: var(--ink-faint); text-transform: uppercase;
}
.route p { margin: 0; font-size: 15.5px; color: var(--ink-soft); }
.route p strong { color: var(--ink); font-weight: 500; }
.maplinks { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 20px; }
.maplinks a { font-size: 14.5px; color: var(--ink); }

/* notices */
.notice-item { padding: 20px 0; border-bottom: 1px solid var(--line); }
.notice-item:first-child { border-top: 1px solid var(--ink); }
.notice-item:last-child { border-bottom: 0; }
.notice-item h4 { margin: 0 0 4px; font-size: 17px; font-weight: 600; }
.notice-item p { margin: 0; color: var(--ink-soft); font-size: 15.5px; }
.notice-item .meta { font-size: 13px; color: var(--ink-faint); margin-top: 6px; font-family: var(--font-mono); }
.notice-pin { font-size: 11px; font-weight: 600; letter-spacing: .06em; color: var(--blue-dark); background: var(--blue-soft); padding: 2px 7px; margin-right: 8px; vertical-align: 1px; }

/* faq */
details.faq { border-bottom: 1px solid var(--line); }
details.faq:first-of-type { border-top: 1px solid var(--ink); }
details.faq summary {
  cursor: pointer; padding: 18px 0; font-weight: 500; font-size: 17px; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; font-size: 20px; color: var(--ink-faint); flex-shrink: 0; font-weight: 400; }
details.faq[open] summary::after { content: "–"; }
details.faq .faq-body { padding: 0 0 20px; color: var(--ink-soft); font-size: 16px; max-width: 68ch; }

/* footer */
footer { background: var(--ink-dark); color: #a8b0bd; padding: 56px 0 48px; font-size: 14px; }
footer strong { color: #fff; font-weight: 500; }
footer a { color: #d6dae1; text-decoration-color: rgba(255,255,255,.35); }
footer a:hover { text-decoration-color: #fff; }
footer .cols { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }

/* ---------- reserve page ---------- */
.page-head { padding: 56px 0 40px; border-bottom: 1px solid var(--line); }
.page-head h1 { margin: 0 0 12px; font-size: clamp(28px, 4vw, 42px); font-weight: 500; letter-spacing: -.015em; }
.page-head p { margin: 0; color: var(--ink-soft); max-width: 62ch; font-size: 16.5px; }
.reserve-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; padding-top: 40px; padding-bottom: 80px; } /* 좌우는 .wrap 여백을 그대로 쓴다 */
@media (max-width: 900px) { .reserve-layout { grid-template-columns: 1fr; gap: 32px; } }
.panel { background: none; padding: 0; }
.panel h2 { font-size: 20px; margin: 0 0 16px; display: flex; align-items: center; gap: 12px; font-weight: 500; }
.stepnum {
  width: 26px; height: 26px; background: var(--ink); color: var(--bg);
  display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 500; flex-shrink: 0;
  font-family: var(--font-mono);
}
label.field { display: block; font-size: 14px; font-weight: 500; margin: 16px 0 6px; }
label.field .opt { color: var(--ink-faint); font-weight: 400; }
input[type="text"], input[type="email"], input[type="date"], input[type="number"], select, textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 0;
  font-size: 16px; font-family: inherit; background: var(--bg); color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 2px var(--blue-soft); }
input[type="date"] { min-height: 47px; }
input[type="date"]::-webkit-calendar-picker-indicator { cursor: pointer; opacity: .55; transition: opacity .15s; }
input[type="date"]:hover::-webkit-calendar-picker-indicator { opacity: .9; }
.form-hint { font-size: 13.5px; color: var(--ink-faint); margin: 6px 0 0; }
/* 입력칸 바로 아래 오류 안내. 서버 오류 박스(폼 맨 위)만으로는 놓치기 쉽다 */
.field-error { font-size: 13.5px; color: var(--red-ink); margin: 6px 0 0; font-weight: 500; }
.field-error[hidden] { display: none; }
input[aria-invalid="true"] { border-color: var(--red-ink); }
input[aria-invalid="true"]:focus { box-shadow: 0 0 0 2px var(--red-soft); }
.sessions { display: grid; gap: 0; margin-top: 6px; border-top: 1px solid var(--line); }
.session-opt { position: relative; }
.session-opt input { position: absolute; opacity: 0; }
.session-opt .box {
  display: flex; align-items: center; gap: 14px; padding: 14px 12px; cursor: pointer;
  background: transparent; font-size: 15px; border-bottom: 1px solid var(--line);
  transition: background .15s, box-shadow .15s;
}
.session-opt .box:hover { background: var(--paper); }
.session-opt input:checked + .box { background: var(--blue-soft); box-shadow: inset 2px 0 0 var(--blue); }
.session-opt input:focus-visible + .box { outline: 2px solid var(--blue); outline-offset: -2px; }
.session-opt input:disabled + .box { opacity: .45; cursor: not-allowed; }
.session-opt .ord {
  font-size: 12px; font-weight: 500; letter-spacing: .04em; color: var(--ink-faint);
  min-width: 74px; font-family: var(--font-mono);
}
.session-opt .time { font-weight: 500; min-width: 108px; font-family: var(--font-mono); font-size: 14.5px; }
.session-opt .lbl { flex: 1; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.session-opt .lang-note { font-size: 13px; color: var(--ink-faint); }
.session-group-head { margin: 20px 0 6px; }
.session-group-head:first-child { margin-top: 4px; }
.session-group-head .t { display: block; font-weight: 500; font-size: 16px; }
.session-group-head .d { display: block; font-size: 13px; color: var(--ink-faint); margin-top: 1px; }

@media (max-width: 560px) {
  .session-opt .box { flex-wrap: wrap; gap: 6px 10px; }
  .session-opt .time { min-width: 0; }
  .session-opt .lbl { flex-basis: 100%; }
}
.day-msg { padding: 14px 16px; background: var(--paper); color: var(--ink-soft); font-size: 15px; margin-top: 6px; }
/* 동의: 개인정보와 노쇼를 따로 체크한다. 하나로 묶으면 무엇에 동의했는지 흐려진다 */
.consent { border: 1px solid var(--line-strong); padding: 4px 18px 18px; margin: 26px 0 0; }
.consent legend { font-size: 13px; font-weight: 500; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-faint); padding: 0 8px; }
.checkline { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--ink-soft); margin-top: 14px; }
.checkline input { margin-top: 4px; flex: none; }
.checkline strong { color: var(--ink); font-weight: 600; }
.error-box { background: var(--red-soft); color: var(--red-ink); padding: 14px 16px; margin-bottom: 20px; font-size: 15px; font-weight: 500; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.side-card {
  border-top: 1px solid var(--ink); padding: 16px 0 20px; margin-bottom: 8px;
  font-size: 14.5px; color: var(--ink-soft);
}
.side-card h3 { margin: 0 0 8px; font-size: 16px; color: var(--ink); font-weight: 600; }
.side-card ol { margin: 0; padding-left: 18px; }
.side-card li { margin-bottom: 6px; }

/* booking status */
.status-card { max-width: 640px; margin: 32px auto 72px; }
.status-banner { padding: 15px 18px; font-weight: 500; margin-bottom: 20px; font-size: 15px; }
.st-pending { background: var(--amber-soft); color: var(--amber-ink); }
.st-waitlisted { background: #f3e8ff; color: #6d28d9; }
.st-confirmed { background: var(--green-soft); color: var(--green-ink); }
.st-declined, .st-no_show { background: var(--red-soft); color: var(--red-ink); }
.st-cancelled { background: var(--paper); color: var(--ink-soft); }
.st-attended { background: var(--blue-soft); color: var(--blue-dark); }
.kv { width: 100%; border-collapse: collapse; font-size: 15px; }
.kv td { padding: 11px 0; border-bottom: 1px solid var(--line); }
.kv td:first-child { color: var(--ink-faint); width: 150px; }
.code-big { font-family: var(--font-mono); font-size: 22px; font-weight: 500; letter-spacing: .06em; }

/* ---------- 다크모드 컴포넌트 보정 ----------
   원본 규칙과 특이도가 같아 소스 순서로 이기도록 파일 마지막에 둔다. */
@media (prefers-color-scheme: dark) {
  /* 로고 워드마크가 짙은 네이비라 다크 nav에서 안 보임 → 단색 흰색으로 반전 */
  .brand-logo { filter: brightness(0) invert(1); opacity: .92; }
  .nav-cta { background: #fff; color: #0f1216 !important; }
  .nav-cta:hover { background: var(--blue-dark); color: #0f1216 !important; }
  .btn-primary { background: #fff; color: #0f1216; }
  .btn-primary:hover { background: var(--blue-dark); color: #0f1216; }
  .stepnum { background: #fff; color: #0f1216; }
  input[type="date"] { color-scheme: dark; }
  .st-waitlisted { background: rgba(169,140,230,.18); color: #b79ff0; }
  .map-attrib { background: rgba(15,18,22,.8); color: var(--ink-soft); }
  .pin .tag { background: #262b33; }
  .pin.museum .tag { background: var(--blue); color: #0b0f16; }
}