/* ==========================================================================
   빌드업웍스 웹에이전시 표준 키트 — kit.css
   정본 규약: docs/reference/WEB-AGENCY-STANDARD.md
   --------------------------------------------------------------------------
   구조: ① 토큰(기본값 = 표준 사이트 해솔담이앤씨) ② 기초 ③ 레이아웃 ④ 타이포
         ⑤ 부품(헤더·전체메뉴·히어로·서브비주얼·LNB·섹션 부품·폼·푸터·데모 표식) ⑥ 움직임
   사이트는 theme.css 에서 **토큰만 덮어** 자기 얼굴을 만든다. 부품의 구조를 바꿔야 하면
   그 사이트의 theme.css 에서 선택자를 좁혀 덮는다 — 여기서 사이트별 분기를 만들지 않는다.
   ========================================================================== */

/* ① 토큰 ------------------------------------------------------------------ */
:root {
  /* 글꼴 — 한 벌로 한글·영문을 다 쓴다(표준). 사이트는 --f-* 만 바꾼다. */
  --f-sans: 'Paperlogy', 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  --f-display: var(--f-sans);
  --f-latin: var(--f-sans);
  --w-display: 800;   /* 한글 대형 제목 */
  --w-latin: 300;     /* 영문 대형 단어·숫자 — 굵기 대비가 표준의 얼굴이다 */
  --w-head: 800;
  --w-strong: 700;
  --w-body: 500;
  --w-meta: 500;

  /* 색 — 대비는 흰 바탕 기준 AA(본문 4.5:1) 이상으로 잡았다. 값을 바꾸면 다시 잴 것. */
  --c-bg: #ffffff;
  --c-ink: #171717;          /* 제목 */
  --c-body: #474747;         /* 본문 9.29:1 */
  --c-mute: #6b6b6b;         /* 보조 5.3:1 */
  --c-line: #e7e4e0;
  --c-line-strong: #cfcac4;
  --c-panel: #f6f4f1;        /* 따뜻한 회백 면 */
  --c-accent: #9c5429;       /* eyebrow·번호 — 갈색 5.65:1 */
  --c-deep: #2b0b20;         /* 활성·연도·통계 — 깊은 자두색 */
  --c-dark: #1d1e1f;         /* 푸터·어두운 면 */
  --c-on-dark: #ffffff;
  --c-on-dark-2: rgba(255, 255, 255, 0.74);
  --c-on-dark-3: rgba(255, 255, 255, 0.56);
  --c-focus: #2f6bff;

  /* 사진 위 글자를 살리는 막 — 사이트마다 톤을 바꾼다 */
  /* ⚠️ 오른쪽 끝을 너무 옅게 두지 말 것 — .18 일 때 밝은 사진 위 주 메뉴·SCROLL 이 2.5:1 이었다(2026-09-22 재검증).
   *    헤더 뒤 위쪽 막(--overlay-hero-top)과 좁은 화면 세로 막(--overlay-hero-m)이 함께 깔린다. */
  --overlay-hero: linear-gradient(90deg, rgba(14, 22, 38, 0.84) 0%, rgba(14, 22, 38, 0.6) 45%, rgba(14, 22, 38, 0.46) 100%);
  --overlay-hero-top: linear-gradient(180deg, rgba(10, 14, 22, 0.55) 0%, rgba(10, 14, 22, 0) 10rem);
  --overlay-hero-m: linear-gradient(180deg, rgba(14, 22, 38, 0.62) 0%, rgba(14, 22, 38, 0.6) 40%, rgba(14, 22, 38, 0.84) 100%);
  --overlay-sv: linear-gradient(180deg, rgba(10, 10, 12, 0.55) 0%, rgba(10, 10, 12, 0.45) 60%, rgba(10, 10, 12, 0.62) 100%);
  --hero-filter: grayscale(0.35) saturate(0.7);

  /* 크기 — clamp 의 최소값이 곧 모바일(390px) 크기다 */
  --fs-display: clamp(2.75rem, 1.35rem + 5.2vw, 5.3rem);
  --fs-h1: clamp(2.25rem, 1.25rem + 3.9vw, 4.75rem);
  --fs-h2: clamp(1.875rem, 1.2rem + 2.4vw, 3.25rem);
  --fs-h3: clamp(1.25rem, 1.05rem + 0.8vw, 1.75rem);
  --fs-h4: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);
  --fs-latin-xl: clamp(2.5rem, 1.2rem + 4.8vw, 5.125rem);
  --fs-lead: clamp(1.0313rem, 0.97rem + 0.3vw, 1.1875rem);
  --fs-body: 1rem;
  --fs-sm: 0.9375rem;
  --fs-xs: 0.875rem;          /* 바닥 — 이보다 작게 쓰지 않는다 */
  --lh-tight: 1.1;
  --lh-head: 1.24;
  --lh-body: 1.75;
  --ls-head: -0.015em;
  --ls-eyebrow: 0.02em;

  /* 레이아웃 */
  --container: 70rem;         /* 1120px */
  --container-wide: 82.5rem;  /* 1320px */
  --gutter: clamp(1.25rem, 4.5vw, 2.5rem);
  --sec-y: clamp(5rem, 2.5rem + 7.5vw, 10rem);
  --hd-h: 5.5rem;
  --radius: 0px;
  --radius-lg: 0px;
  --radius-pill: 999px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 32px -12px rgba(0, 0, 0, 0.12);

  /* 움직임 */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
  --dur: 0.9s;
}

/* ② 기초 ------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--hd-h) + 1rem); }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-body);
  font-family: var(--f-sans);
  font-size: var(--fs-body);
  font-weight: var(--w-body);
  line-height: var(--lh-body);
  /* 🔴 한국어 줄바꿈: 낱말 중간에서 끊지 않는다. 긴 영문·URL 은 anywhere 로 넘침만 막는다. */
  word-break: keep-all;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd { margin: 0; }
h1, h2, h3, h4 { color: var(--c-ink); font-weight: var(--w-head); line-height: var(--lh-head); letter-spacing: var(--ls-head); text-wrap: balance; }
p { text-wrap: pretty; }
strong, b { font-weight: var(--w-strong); }
:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 3px; }
::selection { background: var(--c-deep); color: #fff; }
[hidden] { display: none !important; }  /* 저자 display 가 [hidden] 을 이기는 것을 막는다 */
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: fixed; left: 1rem; top: -4rem; z-index: 1000; padding: 0.75rem 1rem; background: var(--c-ink); color: #fff; font-weight: 700; transition: top 0.2s; }
.skip:focus { top: 1rem; }
.ico { flex-shrink: 0; }

/* ③ 레이아웃 -------------------------------------------------------------- */
.wrap { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--wide { max-width: calc(var(--container-wide) + var(--gutter) * 2); }
.sec { padding-block: var(--sec-y); }
.sec--tight { padding-block: calc(var(--sec-y) * 0.62); }
.sec--panel { background: var(--c-panel); }
.sec--dark { background: var(--c-dark); color: var(--c-on-dark-2); }
.sec--dark h2, .sec--dark h3 { color: var(--c-on-dark); }
.sec:not(.sec--panel):not(.sec--dark) + .sec:not(.sec--panel):not(.sec--dark),
.sec--panel + .sec--panel, .sec--dark + .sec--dark { padding-top: 0; }
/* ⚠️ 같은 바탕이 이어질 때만 위 여백을 접는다. 예전 `.sec + .sec:not(.sec--panel)…` 은 색 면 **다음** 흰 절의
 *    위 여백까지 0으로 만들어, 병원 사이트 셋이 각자 theme.css 에서 되살리고 있었다(2026-09-22). */
.pt-hd { padding-top: calc(var(--hd-h) + clamp(3rem, 6vw, 5.5rem)); }   /* 첫 화면에 사진이 없는 지면 */
.grid { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 960px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); } }

/* ④ 타이포 ---------------------------------------------------------------- */
.eyebrow {
  font-family: var(--f-latin);
  font-size: var(--fs-xs);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: var(--ls-eyebrow);
  color: var(--c-accent);
  text-transform: uppercase;   /* 영문 라벨 전용 — 한글 eyebrow 에는 쓰지 않는다(효과 없음) */
}
.eyebrow--on-dark { color: var(--c-on-dark-2); font-weight: 500; font-size: clamp(0.875rem, 0.8rem + 0.25vw, 0.9375rem); }
.h-display { font-family: var(--f-display); font-size: var(--fs-display); font-weight: var(--w-display); line-height: 1.06; letter-spacing: -0.02em; }
.h-latin { font-family: var(--f-latin); font-weight: var(--w-latin); letter-spacing: -0.01em; line-height: 1; }
.lead { font-size: var(--fs-lead); line-height: 1.8; color: var(--c-body); }
.muted { color: var(--c-mute); }
.num { font-family: var(--f-latin); font-variant-numeric: tabular-nums; }

/* 섹션 머리 */
.sec-head { margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4rem); max-width: 48rem; }
.sec-head .eyebrow { margin-bottom: 1rem; }
.sec-head__title { font-family: var(--f-display); font-size: var(--fs-h2); font-weight: var(--w-display); line-height: var(--lh-head); }
.sec-head__desc { margin-top: 1.25rem; font-size: var(--fs-lead); color: var(--c-body); max-width: 38em; }
.sec-head--center { margin-inline: auto; text-align: center; }
.sec-head--center .sec-head__desc { margin-inline: auto; }
.sec-head--light .sec-head__title { color: var(--c-on-dark); }
.sec-head--light .eyebrow { color: var(--c-on-dark-2); }
.sec-head--light .sec-head__desc { color: var(--c-on-dark-2); }

/* 버튼 */
.btn { white-space: nowrap; /* 버튼 글자는 꺾지 않는다(「전체/소식」) */
  display: inline-flex; align-items: center; justify-content: center; gap: 0.625rem;
  min-height: 3.25rem; padding: 0 1.5rem;
  font-size: var(--fs-sm); font-weight: 700; letter-spacing: 0;
  border: 1px solid currentColor; border-radius: var(--radius);
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn .ico { transition: transform 0.3s var(--ease); }
.btn:hover .ico { transform: translateX(4px); }
.btn--line { color: var(--c-ink); border-color: var(--c-ink); }
.btn--line:hover { background: var(--c-ink); color: #fff; }
.btn--solid { background: var(--c-deep); border-color: var(--c-deep); color: #fff; }
.btn--solid:hover { background: var(--c-ink); border-color: var(--c-ink); }
.btn--light { color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.btn--light:hover { background: #fff; color: var(--c-ink); border-color: #fff; }
.link-arrow { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.75rem; font-weight: 700; color: var(--c-ink); } /* 터치 44px — 28px 였다(2026-09-22 재검증) */
.link-arrow .ico { transition: transform 0.3s var(--ease); }
.link-arrow:hover .ico { transform: translateX(4px); }

/* ⑤-1 헤더 ---------------------------------------------------------------- */
.hd { position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--hd-h); color: var(--c-ink); background: rgba(255, 255, 255, 0.9); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid var(--c-line); transition: background-color 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease); }
.hd__inner { display: flex; align-items: center; gap: 2rem; height: 100%; max-width: calc(var(--container-wide) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
/* 첫 화면이 사진인 지면: 투명 → 스크롤하면 유리 */
.has-visual .hd:not(.is-scrolled):not(.is-open) { background: transparent; color: #fff; border-color: transparent; backdrop-filter: none; -webkit-backdrop-filter: none; }
.has-visual .hd.is-scrolled { background: rgba(28, 29, 31, 0.62); color: #fff; border-color: rgba(255, 255, 255, 0.08); }
.hd.is-hidden { transform: translateY(-100%); }
.logo { display: inline-flex; align-items: center; gap: 0.625rem; font-family: var(--f-latin); font-weight: 800; font-size: 1.0625rem; letter-spacing: -0.01em; color: inherit; white-space: nowrap; min-height: 2.75rem; }
.logo__mark { display: grid; place-items: center; width: 2rem; height: 2rem; border: 1.5px solid currentColor; border-radius: 50%; }
.gnb { margin-left: auto; }
.gnb__list { display: flex; gap: clamp(1.25rem, 2.4vw, 2.5rem); }
.gnb__item { position: relative; }
.gnb__link { display: flex; align-items: center; height: var(--hd-h); font-size: 0.9375rem; font-weight: 800; letter-spacing: -0.01em; }
.gnb__link::after { content: ''; position: absolute; left: 0; right: 0; bottom: 1.6rem; height: 2px; background: currentColor; transform: scaleX(0); transition: transform 0.35s var(--ease); }
.gnb__item:hover > .gnb__link::after, .gnb__item.is-current > .gnb__link::after { transform: scaleX(1); }
.gnb__sub { position: absolute; left: 50%; top: calc(var(--hd-h) - 0.5rem); min-width: 11rem; padding: 0.875rem 0; background: rgba(22, 23, 24, 0.96); color: #fff; transform: translate(-50%, 0.5rem); opacity: 0; visibility: hidden; transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s; box-shadow: var(--shadow); }
.gnb__item:hover > .gnb__sub, .gnb__item:focus-within > .gnb__sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.gnb__item.is-shut > .gnb__sub { opacity: 0; visibility: hidden; } /* Esc 로 닫음(kit.js) */
.gnb__sub a { display: block; padding: 0.5rem 1.5rem; font-size: 0.875rem; font-weight: 700; color: rgba(255, 255, 255, 0.78); white-space: nowrap; transition: color 0.2s; }
.gnb__sub a:hover, .gnb__sub a[aria-current] { color: #fff; }
.hd__util { display: flex; gap: 1.25rem; padding-left: 1.5rem; border-left: 1px solid currentColor; border-color: color-mix(in srgb, currentColor 30%, transparent); font-size: 0.875rem; font-weight: 700; }
.hd__util a { display: inline-flex; align-items: center; min-height: 2.75rem; opacity: 0.88; }
.hd__util a:hover { opacity: 1; }
.hd__menu { display: grid; place-items: center; flex-shrink: 0; width: 2.75rem; height: 2.75rem; margin-right: -0.5rem; }
.hd__bars { display: grid; gap: 5px; width: 22px; }
.hd__bars i { display: block; height: 2px; background: currentColor; transition: transform 0.3s var(--ease); }
.hd__bars i:nth-child(2) { width: 70%; justify-self: end; }
.hd__menu:hover .hd__bars i:nth-child(2) { transform: scaleX(1.43); transform-origin: right; }
@media (max-width: 1080px) { .gnb, .hd__util { display: none; } .hd__menu { margin-left: auto; } }
@media (max-width: 640px) { :root { --hd-h: 4.25rem; } }

/* ⑤-2 전체 메뉴 ------------------------------------------------------------ */
.fm { position: fixed; inset: 0; z-index: 200; display: flex; flex-direction: column; background: var(--c-dark); color: #fff; overflow-y: auto; overscroll-behavior: contain; opacity: 0; transition: opacity 0.35s var(--ease); }
.fm.is-open { opacity: 1; }
.fm__top { display: flex; align-items: center; justify-content: space-between; height: var(--hd-h); flex-shrink: 0; max-width: calc(var(--container-wide) + var(--gutter) * 2); }
.fm__close { display: grid; place-items: center; width: 3rem; height: 3rem; margin-right: -0.5rem; transition: transform 0.4s var(--ease); }
.fm__close:hover { transform: rotate(90deg); }
.fm__nav { flex: 1; display: flex; align-items: center; max-width: calc(var(--container-wide) + var(--gutter) * 2); padding-block: 2rem 4rem; }
.fm__groups { display: grid; grid-template-columns: repeat(var(--fm-cols, 4), minmax(0, 1fr)); gap: 2.5rem clamp(1.5rem, 3vw, 3rem); width: 100%; }
.fm__num { font-family: var(--f-latin); font-weight: var(--w-latin); font-size: 0.9375rem; color: var(--c-on-dark-3); margin-bottom: 0.75rem; }
.fm__head { display: inline-block; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem); font-weight: 800; letter-spacing: -0.02em; padding-bottom: 1rem; margin-bottom: 1.25rem; border-bottom: 1px solid rgba(255, 255, 255, 0.16); width: 100%; transition: color 0.2s; }
.fm__head:hover { color: var(--c-on-dark-2); }
.fm__list { display: grid; gap: 0.25rem; }
.fm__list a { display: inline-flex; min-height: 2.75rem; align-items: center; font-size: 1.0625rem; color: var(--c-on-dark-2); transition: color 0.2s, transform 0.3s var(--ease); }
.fm__list a:hover { color: #fff; transform: translateX(4px); }
.fm__contact { padding-bottom: 2rem; color: var(--c-on-dark-3); font-size: var(--fs-sm); max-width: calc(var(--container-wide) + var(--gutter) * 2); }
.fm__contact strong { color: #fff; margin-left: 0.5rem; font-family: var(--f-latin); }
.fm .fm__group { opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); transition-delay: calc(0.08s * var(--i, 0) + 0.1s); }
.fm.is-open .fm__group { opacity: 1; transform: none; }
@media (max-width: 860px) {
  .fm__nav { align-items: flex-start; padding-top: 1rem; }
  .fm__groups { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .fm__num { display: none; }
  .fm__head { font-size: 1.375rem; padding-block: 1.125rem; margin: 0; }
  .fm__list { padding: 0.25rem 0 1rem; }
}
html.fm-open { overflow: hidden; }

/* ⑤-3 메인 히어로 -------------------------------------------------------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end; color: #fff; overflow: hidden; isolation: isolate; background: var(--c-dark); }
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; filter: var(--hero-filter); transform: scale(1.08); animation: kenburns 14s var(--ease) forwards; }
.hero::before { content: ''; position: absolute; inset: 0; z-index: -1; background: var(--overlay-hero-top), var(--overlay-hero); }
@media (max-width: 860px) { .hero::before { background: var(--overlay-hero-top), var(--overlay-hero-m); } } /* 좁은 화면은 글이 아래로 쌓인다 — 가로 막이면 오른쪽 통계가 옅은 쪽에 놓였다 */
.hero__inner { padding-top: calc(var(--hd-h) + clamp(3rem, 10vh, 7rem)); padding-bottom: clamp(2.5rem, 6vh, 4.5rem); }
.hero__eyebrow { font-family: var(--f-latin); font-size: clamp(0.875rem, 0.8rem + 0.3vw, 1rem); font-weight: 500; letter-spacing: 0.02em; color: rgba(232, 240, 255, 0.94); margin-bottom: clamp(1.25rem, 2.5vw, 2rem); text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35); }
.hero__title { font-family: var(--f-display); font-size: var(--fs-display); font-weight: var(--w-display); line-height: 1.04; letter-spacing: -0.025em; color: #fff; text-shadow: 0 2px 30px rgba(0, 0, 0, 0.18); }
.hero__rule { width: 2.75rem; height: 1px; margin: clamp(1.75rem, 3vw, 2.5rem) 0; background: rgba(255, 255, 255, 0.7); }
.hero__lead { max-width: 30em; font-size: var(--fs-lead); font-weight: 600; line-height: 1.8; color: #fff; text-shadow: 0 1px 14px rgba(0, 0, 0, 0.3); }
.hero__stats { display: grid; grid-template-columns: repeat(4, minmax(0, auto)); justify-content: start; margin-top: clamp(3rem, 9vh, 6.5rem); }
.hero__stat { padding: 0.25rem clamp(1.25rem, 2.6vw, 2.75rem) 0.25rem 0; margin-right: clamp(1.25rem, 2.6vw, 2.75rem); border-right: 1px solid rgba(255, 255, 255, 0.2); }
.hero__stat:last-child { border-right: 0; margin-right: 0; }
.hero__stat .ico { color: rgba(255, 255, 255, 0.86); margin-bottom: 1.25rem; }
.hero__stat dt { font-size: var(--fs-xs); font-weight: 700; color: rgba(255, 255, 255, 0.82); margin-bottom: 0.25rem; }
.hero__stat dd { font-family: var(--f-latin); font-weight: var(--w-latin); font-size: clamp(1.75rem, 1.3rem + 1.4vw, 2.125rem); line-height: 1.1; color: #fff; white-space: nowrap; }
.hero__foot { display: flex; align-items: center; gap: 1.5rem; margin-top: clamp(2rem, 5vh, 3rem); font-size: var(--fs-xs); color: rgba(255, 255, 255, 0.8); }
.hero__foot b { color: #fff; font-family: var(--f-latin); }
.hero__scroll { margin-left: auto; display: inline-flex; align-items: center; gap: 0.75rem; padding: 0 1rem; border-radius: var(--radius-pill); background: rgba(10, 14, 22, 0.5); font-family: var(--f-latin); letter-spacing: 0.08em; font-size: 0.875rem; min-height: 2.75rem; color: #fff; text-shadow: 0 1px 10px rgba(0, 0, 0, 0.45); }
/* 밝은 사진 오른쪽 아래 — 글자색 .8 일 때 3.6:1, 흰색·막만으로도 가장 밝은 자리 3.2:1 이었다(2026-09-22 재검증) → 자기 바탕(반투명 알약)을 갖는다 */
.hero__scroll i { display: block; width: 1px; height: 2.25rem; background: linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0)); animation: scrollcue 2.2s var(--ease-io) infinite; transform-origin: top; }
@media (max-width: 860px) {
  .hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.75rem 0; }
  .hero__stat:nth-child(2n) { border-right: 0; margin-right: 0; }
  .hero__stat .ico { margin-bottom: 0.75rem; }
  .hero__scroll { display: none; }
  .hero__foot { display: none; }  /* 모바일은 샘플 표식이 이 자리에 뜬다 */
}

/* ⑤-4 서브 비주얼 · LNB ---------------------------------------------------- */
.sv { position: relative; display: flex; align-items: flex-end; min-height: clamp(26rem, 58vh, 36rem); color: #fff; overflow: hidden; isolation: isolate; background: var(--c-dark); }
.sv__media { position: absolute; inset: 0; z-index: -2; }
.sv__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); animation: kenburns 12s var(--ease) forwards; }
.sv::before { content: ''; position: absolute; inset: 0; z-index: -1; background: var(--overlay-sv); }
.sv__inner { padding-top: calc(var(--hd-h) + 3rem); padding-bottom: clamp(3.5rem, 7vw, 6rem); }
.sv .eyebrow { margin-bottom: 1.125rem; color: var(--c-accent-on-dark, #e39a6b); font-weight: 700; font-size: var(--fs-xs); }
.sv__title { font-family: var(--f-display); font-size: var(--fs-h1); font-weight: var(--w-display); line-height: 1.12; letter-spacing: -0.025em; color: #fff; max-width: 15em; }
.sv__lead { margin-top: clamp(1.25rem, 2.5vw, 2rem); max-width: 34em; font-size: var(--fs-lead); font-weight: 600; color: rgba(255, 255, 255, 0.88); }
.lnb { border-bottom: 1px solid var(--c-line); background: var(--c-bg); position: sticky; top: var(--hd-h); z-index: 50; transition: top 0.4s var(--ease); }
.hd-hidden .lnb { top: 0; }  /* 헤더가 숨으면 탭이 맨 위로 — 빈틈이 생기지 않게 */
.lnb__list { display: flex; justify-content: center; gap: clamp(0.5rem, 3vw, 2.5rem); overflow-x: auto; scrollbar-width: none; }
.lnb__list::-webkit-scrollbar { display: none; }
.lnb__link { position: relative; display: flex; align-items: center; min-height: 3.875rem; padding-inline: clamp(0.75rem, 1.5vw, 1.75rem); font-size: var(--fs-sm); font-weight: 700; color: var(--c-mute); white-space: nowrap; transition: color 0.2s; }
.lnb__link:hover { color: var(--c-ink); }
.lnb__link[aria-current] { color: var(--c-ink); font-weight: 800; }
.lnb__link[aria-current]::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--c-deep); }
@media (max-width: 640px) { .lnb__list { justify-content: flex-start; } }

/* ⑤-5 섹션 부품 ----------------------------------------------------------- */
/* 세로 사진 카드 3열 */
.pcards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 1.8vw, 1.5rem); }
.pcard__media { position: relative; aspect-ratio: 3 / 4; overflow: hidden; background: var(--c-panel); border-radius: var(--radius); }
.pcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.1s var(--ease); }
.pcard:hover .pcard__media img { transform: scale(1.05); }
.pcard__title { margin-top: 1.125rem; font-size: var(--fs-h4); font-weight: 800; }
.pcard__meta { margin-top: 0.25rem; font-size: var(--fs-xs); color: var(--c-mute); }
@media (max-width: 760px) { .pcards { grid-template-columns: minmax(0, 1fr); } .pcard__media { aspect-ratio: 4 / 3; } }

/* 영문 대형 단어 목록 + 사진 전환 */
.switcher { position: relative; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: center; }
.switcher__media { position: relative; aspect-ratio: 16 / 9.4; overflow: hidden; background: var(--c-panel); grid-column: 1; grid-row: 1; }
.switcher__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.04); transition: opacity 0.9s var(--ease), transform 1.4s var(--ease); }
.switcher__media img.is-on { opacity: 1; transform: none; }
.switcher__words { grid-column: 1 / -1; grid-row: 1; justify-self: end; text-align: right; position: relative; z-index: 1; }
.switcher__word { display: block; width: 100%; text-align: right; font-family: var(--f-latin); font-weight: var(--w-latin); font-size: var(--fs-latin-xl); line-height: 1.04; letter-spacing: -0.015em; color: #909090; transition: color 0.5s var(--ease); cursor: pointer; }
/* ⚠️ 비활성 단어에 mix-blend-mode: multiply 를 쓰지 말 것 — 사진과 겹친 글자가 짙은 사진 속으로 사라진다(「Infrastructure」의 I · 2026-09-22).
 *    #909090 = 흰 바탕 대비 약 3.2:1(큰 글자 AA 3:1). */
.switcher__word.is-on { color: var(--c-deep); font-weight: 400; }
.switcher__caption { margin-top: 1.5rem; display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; }
.switcher__desc { max-width: 30em; color: var(--c-body); min-height: 3.5em; }
@media (max-width: 860px) {
  .switcher { grid-template-columns: minmax(0, 1fr); }
  .switcher__words { grid-row: 2; justify-self: stretch; text-align: left; margin-top: 1.25rem; display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; }
  /* 캡션(제목 · 설명)을 세로로 쌓는다 — 두 칸이 남아 h2 가 86px 폭에 갇혀 「생각합/니다」로 끊겼다(2026-09-22). */
  .switcher__caption { flex-direction: column; align-items: stretch; gap: 1.25rem; }
  .switcher__word { width: auto; text-align: left; font-size: 1.75rem; color: #909090; min-height: 2.75rem; }
}

/* 전폭 사진 띠 */
.band { position: relative; min-height: clamp(30rem, 78vh, 44rem); display: flex; align-items: center; color: #fff; overflow: hidden; isolation: isolate; background: var(--c-dark); }
.band__media { position: absolute; inset: -10% 0; z-index: -2; }
.band__media img { width: 100%; height: 100%; object-fit: cover; }
.band::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(0, 0, 0, 0.56), rgba(0, 0, 0, 0.18)); }
.band .eyebrow { color: #f0a472; margin-bottom: 1.25rem; }
.band__title { font-family: var(--f-display); font-size: var(--fs-h1); font-weight: var(--w-display); line-height: 1.14; letter-spacing: -0.025em; color: #fff; }
.band__title .h-latin { font-weight: 800; letter-spacing: -0.02em; }
.band__rule { width: min(35rem, 100%); height: 1px; margin: clamp(2rem, 4vw, 3.5rem) 0 1.5rem; background: rgba(255, 255, 255, 0.36); }
.band__lead { color: rgba(255, 255, 255, 0.9); font-weight: 600; max-width: 36em; }

/* 두 칸: 제목 | 본문 */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: start; }
.split__title { font-family: var(--f-display); font-size: var(--fs-h2); font-weight: var(--w-display); line-height: 1.2; }
.split .eyebrow { margin-bottom: 1.25rem; }
.split__body { font-size: var(--fs-lead); line-height: 1.95; color: var(--c-body); }
.split__body p + p { margin-top: 1.25rem; }
.split__quote { color: var(--c-accent); margin-bottom: 1.5rem; }
.split__sign { margin-top: 2.25rem; font-weight: 800; color: var(--c-ink); }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); } }

/* 번호 면 카드 */
.ncards { display: grid; grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr)); background: var(--c-panel); }
.ncard { min-height: 13.5rem; padding: clamp(1.75rem, 2.5vw, 2.25rem) clamp(1.5rem, 2vw, 2rem); display: flex; flex-direction: column; gap: clamp(2.5rem, 5vw, 4.25rem); }  /* 위 정렬 — 설명 길이가 달라도 제목 줄이 맞는다 */
.ncard + .ncard { border-left: 1px solid var(--c-line); }
.ncard__no { font-family: var(--f-latin); font-weight: 700; color: var(--c-accent); font-size: var(--fs-sm); }
.ncard__title { font-size: var(--fs-h3); font-weight: 500; color: var(--c-ink); letter-spacing: -0.02em; }
.ncard__desc { margin-top: 0.625rem; font-size: var(--fs-sm); color: var(--c-mute); }
@media (max-width: 860px) { .ncards { grid-template-columns: minmax(0, 1fr); } .ncard + .ncard { border-left: 0; border-top: 1px solid var(--c-line); } .ncard { min-height: 0; } }

/* 숫자 면 */
.stats-panel { background: var(--c-panel); }
.stats-panel__row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding: 1.5rem clamp(1.5rem, 2.5vw, 2rem); border-bottom: 1px solid var(--c-line); }
.stats-panel__row:last-child { border-bottom: 0; }
.stats-panel__num { font-size: clamp(1.625rem, 1.2rem + 1.4vw, 2.25rem); font-weight: 800; color: var(--c-deep); letter-spacing: -0.02em; }
.stats-panel__label { font-size: var(--fs-sm); color: var(--c-mute); text-align: right; }

/* 선 아이콘 카드 */
.icards { display: grid; grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr)); gap: clamp(0.75rem, 1.4vw, 1.25rem); }
.icard { padding: clamp(1.75rem, 2.5vw, 2.25rem) clamp(1.5rem, 2vw, 1.875rem) 2.5rem; border: 1px solid var(--c-line); background: var(--c-bg); border-radius: var(--radius); transition: border-color 0.3s, transform 0.5s var(--ease), box-shadow 0.5s var(--ease); }
.icard:hover { border-color: var(--c-line-strong); transform: translateY(-4px); box-shadow: var(--shadow); }
.icard .ico { color: var(--c-deep); width: 1.75rem; height: 1.75rem; margin-bottom: clamp(2.5rem, 5vw, 4.25rem); }
.icard__title { font-size: var(--fs-h4); font-weight: 600; color: var(--c-ink); margin-bottom: 0.75rem; letter-spacing: -0.01em; }
.icard__desc { font-size: var(--fs-sm); color: var(--c-mute); line-height: 1.75; }
@media (max-width: 960px) { .icards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .icards { grid-template-columns: minmax(0, 1fr); } .icard .ico { margin-bottom: 1.5rem; } }

/* 연혁 */
.timeline { border-top: 1px solid var(--c-line); }
.timeline__row { display: grid; grid-template-columns: minmax(8rem, 15rem) minmax(0, 1fr); gap: 1rem 2rem; align-items: center; padding-block: clamp(1.5rem, 3vw, 2.25rem); border-bottom: 1px solid var(--c-line); }
.timeline__year { font-family: var(--f-latin); font-weight: var(--w-latin); font-size: clamp(2.75rem, 1.8rem + 3.4vw, 5.25rem); line-height: 1; color: var(--c-deep); letter-spacing: -0.02em; }
.timeline__items { display: grid; gap: 0.5rem; }
.timeline__main { font-size: var(--fs-h3); font-weight: 800; color: var(--c-ink); letter-spacing: -0.02em; }
.timeline__sub { color: var(--c-mute); font-size: var(--fs-sm); }
@media (max-width: 640px) { .timeline__row { grid-template-columns: minmax(0, 1fr); } }

/* 게시판 목록 */
.board { border-top: 1px solid var(--c-ink); }
.board__row { display: grid; grid-template-columns: 11rem minmax(0, 1fr) auto; gap: 1rem 2rem; align-items: center; padding-block: clamp(1.5rem, 2.6vw, 2.25rem); border-bottom: 1px solid var(--c-line); transition: background-color 0.3s; }
a.board__row:hover { background: var(--c-panel); }
.board__date { font-family: var(--f-latin); font-weight: 700; font-size: var(--fs-sm); color: var(--c-accent); padding-left: 0.25rem; }
.board__title { font-size: clamp(1.25rem, 1rem + 1vw, 1.875rem); font-weight: 400; color: var(--c-ink); letter-spacing: -0.02em; line-height: 1.35; }
.board__sum { margin-top: 0.375rem; font-size: var(--fs-sm); color: var(--c-mute); }
.board__ico { color: var(--c-mute); padding-right: 1rem; }
@media (max-width: 760px) { .board__row { grid-template-columns: minmax(0, 1fr); gap: 0.5rem; } .board__ico { display: none; } }

/* 위치 */
.info-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(0.75rem, 1.4vw, 1.25rem); margin-top: clamp(0.75rem, 1.4vw, 1.25rem); }
.info-card { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.5rem; padding: 2rem clamp(1.5rem, 2vw, 2rem); border: 1px solid var(--c-line); }
.info-card .ico { color: var(--c-deep); }
.info-card__title { font-size: var(--fs-h4); font-weight: 600; color: var(--c-ink); margin-bottom: 0.375rem; }
.info-card__desc { font-size: var(--fs-sm); color: var(--c-mute); }
@media (max-width: 760px) { .info-cards { grid-template-columns: minmax(0, 1fr); } }

/* 사진 모음 */
.gallery { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(0.75rem, 1.4vw, 1.25rem); }
.gallery figure { position: relative; overflow: hidden; background: var(--c-panel); }
.gallery img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; transition: transform 1.1s var(--ease); }
.gallery figure:hover img { transform: scale(1.04); }
.gallery figcaption { position: absolute; left: 0; bottom: 0; padding: 1rem 1.25rem; color: #fff; font-weight: 700; font-size: var(--fs-sm); background: linear-gradient(transparent, rgba(0, 0, 0, 0.5)); width: 100%; }
@media (max-width: 640px) { .gallery { grid-template-columns: minmax(0, 1fr); } }

/* 단계 */
.steps { display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); counter-reset: step; border-top: 1px solid var(--c-ink); }
.step { padding: 1.75rem 1.5rem 2rem 0; }
.step + .step { padding-left: 1.5rem; border-left: 1px solid var(--c-line); }
.step__no { font-family: var(--f-latin); font-weight: var(--w-latin); font-size: 2.5rem; line-height: 1; color: var(--c-deep); margin-bottom: 1.5rem; }
.step__title { font-size: var(--fs-h4); font-weight: 800; color: var(--c-ink); margin-bottom: 0.5rem; }
.step__desc { font-size: var(--fs-sm); color: var(--c-mute); }
@media (max-width: 860px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } .step:nth-child(odd) { padding-left: 0; border-left: 0; } .step { border-bottom: 1px solid var(--c-line); } }
@media (max-width: 520px) { .steps { grid-template-columns: minmax(0, 1fr); } .step + .step { padding-left: 0; border-left: 0; } }

/* 본문 기사 */
.article { max-width: 46rem; margin-inline: auto; }
.article__meta { display: flex; gap: 1rem; align-items: center; color: var(--c-mute); font-size: var(--fs-sm); margin-bottom: 1.25rem; }
.article__meta b { color: var(--c-accent); font-family: var(--f-latin); }
.article__title { font-size: var(--fs-h2); font-weight: 800; line-height: 1.25; }
.article__figure { margin: clamp(2rem, 4vw, 3rem) 0; }
.article__figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.article__body { font-size: var(--fs-lead); line-height: 1.95; }
.article__body p + p { margin-top: 1.25rem; }
.article__nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: clamp(3rem, 6vw, 5rem); padding-top: 2rem; border-top: 1px solid var(--c-line); }

/* CTA 띠 */
.cta { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: clamp(2.5rem, 5vw, 4rem) clamp(1.5rem, 4vw, 3.5rem); background: var(--c-deep); color: #fff; }
.cta__title { font-size: var(--fs-h3); color: #fff; font-weight: 800; line-height: 1.35; }
.cta__desc { color: rgba(255, 255, 255, 0.76); margin-top: 0.5rem; }
@media (max-width: 760px) { .cta { flex-direction: column; align-items: flex-start; } }

/* 슬라이더 — [data-slider] > .slides > [data-slide].slide (겹쳐 두고 흐리게 전환) */
.slides { position: relative; display: grid; }
.slides > .slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity 0.9s var(--ease), visibility 0.9s; }
.slides > .slide.is-on { opacity: 1; visibility: visible; }
.slider__dots { display: flex; gap: 0.25rem; }
.slider__dot { width: 2.75rem; height: 2.75rem; display: grid; place-items: center; }
.slider__dot::before { content: ''; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: currentColor; opacity: 0.35; transition: opacity 0.3s, width 0.3s var(--ease); }
.slider__dot[aria-current='true']::before { opacity: 1; width: 1.5rem; border-radius: 999px; }
.slider__btn { display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border: 1px solid currentColor; border-color: color-mix(in srgb, currentColor 35%, transparent); border-radius: 50%; transition: background-color 0.2s, color 0.2s; }
.slider__btn:hover { background: currentColor; }
.slider__btn:hover .ico { color: var(--c-bg); }
.slider__counter { font-family: var(--f-latin); font-variant-numeric: tabular-nums; font-size: var(--fs-sm); }
.slider__progress { height: 2px; background: color-mix(in srgb, currentColor 22%, transparent); overflow: hidden; }
.slider__progress > i { display: block; height: 100%; background: currentColor; transform: scaleX(0); transform-origin: left; }

/* 가로 흐름 목록 — [data-rail] > [data-rail-track].rail__track */
.rail__track { display: grid; grid-auto-flow: column; grid-auto-columns: var(--rail-w, minmax(16rem, 1fr)); gap: var(--rail-gap, clamp(0.75rem, 1.5vw, 1.25rem)); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; overscroll-behavior-x: contain; }
.rail__track::-webkit-scrollbar { display: none; }
.rail__track > * { scroll-snap-align: start; }

/* 탭 — [data-tabs] 안의 [role=tablist] */
.tabs__list { display: flex; gap: 0.25rem; overflow-x: auto; scrollbar-width: none; }
.tabs__list::-webkit-scrollbar { display: none; }
.tabs__tab { min-height: 2.75rem; padding: 0 1rem; font-weight: 700; color: var(--c-mute); white-space: nowrap; border-bottom: 2px solid transparent; transition: color 0.2s, border-color 0.2s; }
.tabs__tab[aria-selected='true'] { color: var(--c-ink); border-color: var(--c-deep); }

/* ⑤-6 폼 ------------------------------------------------------------------ */
.form { display: grid; gap: 1.25rem; }
.field { display: grid; gap: 0.5rem; align-content: start; } /* 옆 칸의 오류 문구 때문에 줄 높이가 늘어도 칸이 따라 늘지 않게(2026-09-22 재검증 · 한결 예약 20px 어긋남) */
.field__label { font-size: var(--fs-sm); font-weight: 700; color: var(--c-ink); }
.field__label .req { color: var(--c-accent); margin-left: 0.25rem; }
.field__err { width: fit-content; max-width: 100%; margin-top: 0.375rem; padding: 0.25rem 0.625rem; border-radius: 4px; background: #fff1ee; font-size: var(--fs-xs); font-weight: 700; line-height: 1.5; color: #a3261a; }
/* 오류 문구 — 색만이 아니라 글자로 남긴다(kit.js). 🔴 자기 바탕을 갖는다 — 청록·짙은 면 위에서 1.2:1 로 안 보였다(2026-09-22 재검증) · #a3261a on #fff1ee ≈ 6.6:1 */
.field__err::before { content: '! '; }
/* 플렉스·그리드 폼의 오류 묶음 — 전체 폭 한 줄. 🔴 `flex-basis: 100%` 금지 — 세로 플렉스 폼에선 **높이** 100% 가 되어
   알약이 313px 로 늘어 카드 밖으로 잘렸다(2026-09-22 재검증 · 한결 빠른 상담). 폭은 width 로 준다. */
.form__errs { grid-column: 1 / -1; flex: 0 0 auto; width: 100%; display: grid; justify-items: start; gap: 0.375rem; }
.input, .select, .textarea { width: 100%; min-height: 3.25rem; padding: 0.75rem 1rem; border: 1px solid var(--c-line-strong); border-radius: var(--radius); background: var(--c-bg); color: var(--c-ink); transition: border-color 0.2s, box-shadow 0.2s; }
.textarea { min-height: 8rem; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { outline: 0; border-color: var(--c-deep); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-deep) 18%, transparent); }
.input[aria-invalid='true'], .select[aria-invalid='true'], .textarea[aria-invalid='true'] { border-color: #c8321f; } /* 선택·긴 글 칸도(2026-09-22 — .input 에만 걸려 있었다) */
/* 오류 칸의 포커스 — 사이트 오류 규칙이 테두리·그림자를 덮어 포커스 전후가 똑같았다(2026-09-22 재검증 · WCAG 2.4.7).
   위 :focus 가 outline 을 지우므로 오류 칸에서만 전역 포커스 링을 되살린다(사이트 규칙은 outline 을 안 건드린다). */
.input[aria-invalid='true']:focus, .select[aria-invalid='true']:focus, .textarea[aria-invalid='true']:focus { outline: 2px solid var(--c-focus); outline-offset: 2px; }
/* 체크박스·라디오 — 사이트가 오류를 붉은 outline 으로 칠해 키보드 포커스 링을 통째로 덮었다(온숲·하람 동의 칸 · 2026-09-22 재검증).
   포커스 링이 이긴다(오류는 칸 아래 문구로 이미 전달된다). */
input[type='checkbox'][aria-invalid='true']:focus-visible, input[type='radio'][aria-invalid='true']:focus-visible { outline: 3px solid var(--c-focus) !important; outline-offset: 2px !important; }
.check { display: flex; align-items: flex-start; gap: 0.625rem; font-size: var(--fs-sm); color: var(--c-body); cursor: pointer; min-height: 2.75rem; }
.check input { width: 1.25rem; height: 1.25rem; margin-top: 0.2rem; accent-color: var(--c-deep); flex-shrink: 0; }
.form__note { font-size: var(--fs-xs); color: var(--c-mute); }

/* 알림(데모 동작 안내) */
.toast { position: fixed; left: 50%; bottom: clamp(5rem, 10vh, 6.5rem); z-index: 300; max-width: min(34rem, calc(100vw - 2rem)); padding: 1rem 1.375rem; background: #151617; color: #fff; font-size: var(--fs-sm); font-weight: 600; line-height: 1.6; border-radius: 0.625rem; box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.45); transform: translate(-50%, 1rem); opacity: 0; transition: opacity 0.3s var(--ease), transform 0.3s var(--ease); pointer-events: none; }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }
.toast b { color: #ffd28a; margin-right: 0.375rem; }

/* ⑤-7 푸터 ---------------------------------------------------------------- */
.ft { background: var(--c-dark); color: var(--c-on-dark-3); padding-top: clamp(3.5rem, 6vw, 5rem); font-size: var(--fs-xs); }
.ft__inner { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 2fr); gap: 3rem; padding-bottom: clamp(3rem, 5vw, 4rem); }
.ft .logo { color: rgba(255, 255, 255, 0.86); font-weight: 600; font-size: 0.9375rem; }
.ft__info { margin-top: 1.25rem; display: grid; gap: 0.25rem; line-height: 1.7; }
.ft__nav { display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); gap: 2rem; }
.ft__head { font-size: 0.9375rem; font-weight: 600; color: #fff; margin-bottom: 1rem; }
.ft__col ul { display: grid; gap: 0.125rem; }
.ft__part { white-space: nowrap; } /* 푸터 한 줄의 항목 — 번호가 하이픈에서 끊기지 않게(「000-00-/00000」) */
.ft__col a { display: inline-flex; align-items: center; min-height: 2rem; transition: color 0.2s; }
@media (max-width: 860px) { .ft__col a { min-height: 2.75rem; } } /* 손가락으로 누르는 폭에선 44px(터치 규약) */
.ft__col a:hover { color: #fff; }
.ft__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.75rem 2rem; padding-block: 1.75rem 5.5rem; border-top: 1px solid rgba(255, 255, 255, 0.1); }  /* 아래 여백 = 떠 있는 샘플 표식 자리 */
.ft__copy { font-family: var(--f-latin); }
.ft__demo { max-width: 46em; color: rgba(255, 255, 255, 0.5); }
@media (max-width: 860px) { .ft__inner { grid-template-columns: minmax(0, 1fr); } .ft__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ⑤-8 데모 표식 — 갤러리로 돌아가는 유일한 크롬. 작품을 가리지 않게 작고 어둡게. */
.demo-badge { position: fixed; left: 1rem; bottom: var(--badge-bottom, 1rem); z-index: 150; display: inline-flex; align-items: center; gap: 0.5rem; min-height: 2.75rem; padding: 0 1rem 0 0.875rem; border-radius: 999px; background: rgba(17, 18, 20, 0.84); color: rgba(255, 255, 255, 0.86); font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif; font-size: 0.875rem; font-weight: 500; letter-spacing: -0.01em; line-height: 1; box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.4); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); transition: background-color 0.2s, transform 0.3s var(--ease), opacity 0.25s; }
.demo-badge:hover { background: #111214; color: #fff; transform: translateY(-2px); }
.demo-badge b { font-weight: 800; color: #ffd28a; margin-right: 0.25rem; letter-spacing: 0.04em; }
.demo-badge__dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: #ffd28a; box-shadow: 0 0 0 4px rgba(255, 210, 138, 0.18); }
.demo-badge__txt, .demo-badge__short { display: inline-block; overflow: hidden; white-space: nowrap; max-width: 22rem; transition: max-width 0.35s var(--ease), opacity 0.2s; }
.demo-badge__short { display: none; }
@media (max-width: 640px) { .demo-badge { left: 0.75rem; bottom: var(--badge-bottom, 0.75rem); } .demo-badge__txt { display: none; } .demo-badge__short { display: inline-block; } }
/* 🔴 내려가면 44px 원으로 접는다(kit.js 가 html.badge-min) — 펼친 표식(약 280px)이 스크롤 내내 왼쪽 제목·캡션을
 *    덮었다(2026-09-22 캡처). 마우스를 올리거나 키보드 포커스가 오면 다시 펼친다. 링크 이름은 aria-label 이 갖는다. */
html.badge-min .demo-badge:not(:hover):not(:focus-visible) { gap: 0; width: 2.75rem; padding: 0; justify-content: center; }
html.badge-min .demo-badge:not(:hover):not(:focus-visible) .demo-badge__txt,
html.badge-min .demo-badge:not(:hover):not(:focus-visible) .demo-badge__short { max-width: 0; opacity: 0; }
/* 🔴 자리 밑에 글자·조작 요소가 있으면(kit.js 가 html.badge-away) **숨기지 않고 반투명 + 클릭 통과** — 폭과 무관하다.
 *    예전엔 화면 밖으로 비켜 섰더니 첫 화면 좌하단에 글·카드가 있는 사이트(5종 중 4종)에선 표식이 아예 안 보였다(2026-09-22 대표 지적).
 *    클릭은 밑의 링크·버튼으로 통과시킨다 — 표식이 머문 자리를 누르면 갤러리로 가던 결함을 되살리지 않게. */
html.badge-away .demo-badge:not(:focus-visible) { opacity: 0.55; pointer-events: none; }
/* 하단 고정 바가 있는 사이트는 `--badge-bottom` 을 theme.css 에서 준다(예: 바 높이 + 0.75rem). */
html.fm-open .demo-badge { display: none; }

/* ⑥ 움직임 ---------------------------------------------------------------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); transition-delay: calc(var(--i, 0) * 90ms); }
[data-reveal].is-in { opacity: 1; transform: none; }
.no-js [data-reveal], .no-kit [data-reveal] { opacity: 1; transform: none; } /* no-kit: kit.js 가 못 돌았을 때(build.mjs 머리 스크립트) */
/* kit.js 가 못 돌면 탭을 넘길 수 없다 — 숨은 탭 내용을 전부 펼쳐 둔다(2026-09-22 재검증: 탭 내용 절반 이상이 숨은 채 남았다). */
.no-js [role='tabpanel'][hidden], .no-kit [role='tabpanel'][hidden] { display: block !important; }
/* 전환 목록의 설명 글도 — kit.js 없이는 첫 항목 설명만 보였다(2026-09-22 재검증). 사진은 첫 장만 보인다(알려진 한계 · 표준 §4.4). */
.no-js [data-switch-desc][hidden], .no-kit [data-switch-desc][hidden] { display: block !important; }
@keyframes kenburns { to { transform: scale(1); } }
@keyframes scrollcue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
}
/* 캡처(?shot)용 — 움직임을 끄고 표식을 숨긴다 */
html.shot [data-reveal] { opacity: 1; transform: none; transition: none; }
html.shot .hero__media img, html.shot .sv__media img { animation: none; transform: none; }
html.shot .demo-badge { display: none; }