/* 두 시안 공통 뼈대.
   팔레트 토큰은 각 시안의 style.css 가 :root 에서 덮어쓴다.
   명암비 실측값은 docs/IMPLEMENTATION_PLAN.md 3장 참조 (전부 AA 이상). */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.wrap { width: min(1180px, 92vw); margin-inline: auto; }

/* 건너뛰기 링크 */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: 10px 16px;
}
.skip:focus { left: 8px; top: 8px; }

:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

/* ---------- 프리뷰 배너 ---------- */
.preview-bar {
  background: var(--ink); color: var(--paper);
  font-family: var(--font-util); font-size: 12px; letter-spacing: .06em;
  text-align: center; padding: 7px 14px;
}
.preview-bar a { color: inherit; }

/* ---------- 네비 ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, box-shadow .25s;
}
.nav.is-scrolled { border-bottom-color: var(--rule); }
.nav__in { display: flex; align-items: center; gap: 20px; padding: 14px 0; }
.nav__menu { display: flex; gap: clamp(14px, 2.4vw, 30px); flex-wrap: wrap; }
.nav__menu a {
  font-family: var(--font-util); font-size: 13px; letter-spacing: .1em;
  text-transform: uppercase; text-decoration: none; color: var(--ink-2);
  padding-bottom: 2px; border-bottom: 1px solid transparent;
}
.nav__menu a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- 섹션 ---------- */
.sec { padding-block: clamp(64px, 8vw, 124px); }
.sec--tint { background: var(--paper-2); }
.sec__head { margin-bottom: clamp(28px, 4vw, 52px); }
.sec__eyebrow {
  font-family: var(--font-util); font-size: 12px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-3); margin: 0 0 10px;
}
.sec__title { margin: 0; font-family: var(--font-display); font-weight: 400; line-height: 1.15; }
.lede { max-width: 62ch; color: var(--ink-2); }

/* ---------- 필터 ---------- */
.filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter__btn {
  font-family: var(--font-util); font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  background: none; border: 1px solid var(--rule); color: var(--ink-3);
  padding: 8px 15px; cursor: pointer; border-radius: 0; transition: color .2s, border-color .2s;
}
.filter__btn:hover { color: var(--ink); border-color: var(--ink-3); }
.filter__btn.is-on { color: var(--paper); background: var(--ink); border-color: var(--ink); }

/* ---------- 작품 ---------- */
.work { margin: 0; }
.work__img {
  display: block; width: 100%; padding: 0; background: none; cursor: zoom-in;
  /* 헤어라인 괘선 — 장식이 아니라 기능이다.
     밝은 바탕 작품(W01 대비 1.27)의 캔버스 가장자리가 배경에 묻히는 것을 막는다. */
  border: 1px solid var(--rule);
}
.work__img img { width: 100%; }
.work__cap {
  display: flex; flex-direction: column; gap: 1px;
  padding-top: 10px; font-family: var(--font-util);
}
.work__plate { font-size: 11px; letter-spacing: .14em; color: var(--ink-3); }
.work__title { font-family: var(--font-display); font-size: 17px; color: var(--ink); }
.work__meta { font-size: 12.5px; letter-spacing: .02em; color: var(--ink-3); }
/* 가격 — meta 보다 한 단계 진하게. 구매 검토자가 찾는 줄이라 캡션에 묻히면 안 된다.
   값이 없으면 JS 가 이 요소를 아예 만들지 않는다 (gallery.js priceNode). */
.work__price { margin-top: 3px; font-size: 13px; letter-spacing: .02em; color: var(--ink-2); }
.work__enq {
  align-self: start; margin-top: 6px; font-size: 11.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-2);
  text-decoration: none; border-bottom: 1px solid var(--ink-3);
}
.work__enq:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- 라이트박스 ---------- */
.box {
  position: fixed; inset: 0; z-index: 90;
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  display: grid; grid-template-rows: 1fr auto; gap: 14px; padding: clamp(14px, 3vw, 40px);
}
.box[hidden] { display: none; }
.box__fig { margin: 0; display: grid; place-items: center; min-height: 0; }
.box__fig img { max-height: 74vh; width: auto; border: 1px solid rgba(255,255,255,.22); }
.box__cap {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  color: var(--paper); font-family: var(--font-util); text-align: center;
}
.box__title { font-family: var(--font-display); font-size: 19px; }
.box__meta { font-size: 13px; opacity: .78; }
.box__price { margin-top: 4px; font-size: 14px; letter-spacing: .02em; }
.box__enq {
  margin-top: 8px; font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--paper); text-decoration: none; border-bottom: 1px solid currentColor;
}
.box__btn {
  position: absolute; background: none; border: 0; color: var(--paper);
  font-size: 30px; line-height: 1; cursor: pointer; padding: 12px; opacity: .8;
}
.box__btn:hover { opacity: 1; }
.box__btn--close { top: 6px; right: 10px; font-size: 26px; }
.box__btn--prev { left: 4px; top: 50%; transform: translateY(-50%); }
.box__btn--next { right: 4px; top: 50%; transform: translateY(-50%); }

/* ---------- 전시 ---------- */
.exh { border-top: 1px solid var(--rule); }
.exh__row {
  display: grid; grid-template-columns: 116px 1fr; gap: 10px 22px;
  padding: 18px 0; border-bottom: 1px solid var(--rule);
}
.exh__when { font-family: var(--font-util); font-size: 12.5px; letter-spacing: .08em; color: var(--ink-3); }
.exh__what { margin: 0; }
.exh__where { color: var(--ink-2); font-size: 15px; }
.exh__next {
  display: inline-block; margin-bottom: 4px; font-family: var(--font-util);
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  border: 1px solid var(--ink-3); padding: 3px 9px; color: var(--ink-2);
}
@media (max-width: 560px) { .exh__row { grid-template-columns: 1fr; gap: 4px; } }

/* ---------- 폼 ---------- */
.form { display: grid; gap: 16px; max-width: 620px; }
.form__row { display: grid; gap: 6px; }
.form label {
  font-family: var(--font-util); font-size: 11.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-3);
}
.form input, .form select, .form textarea {
  font: inherit; font-size: 16px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule); padding: 11px 13px; border-radius: 0;
}
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--ink-3); outline: none; }
.form textarea { min-height: 132px; resize: vertical; }
.form__hp { position: absolute; left: -9999px; }
.form__btn {
  justify-self: start; font-family: var(--font-util); font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase;
  background: var(--ink); color: var(--paper); border: 1px solid var(--ink);
  padding: 13px 30px; cursor: pointer;
}
.form__btn:hover { background: transparent; color: var(--ink); }
.form__note { font-size: 14px; color: var(--ink-2); border-left: 2px solid var(--ink-3); padding-left: 12px; }

/* ---------- 푸터 ---------- */
.foot { border-top: 1px solid var(--rule); padding-block: 36px; }
.foot__in { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: baseline; }
.foot small, .foot a {
  font-family: var(--font-util); font-size: 12.5px; letter-spacing: .04em; color: var(--ink-3);
}
.foot a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.foot a:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- 리빌 ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }