/* =========================================================
   KNOTINK 사이트 공통 스타일
   - 색과 크기는 맨 위 :root 값만 바꾸면 전체에 적용됩니다.
   - 대문(#knotink-entrance)과 유리(#conchoidal-glass)의 원래 스타일은
     각 페이지 안에 그대로 두었고, 여기서는 높이만 맞춥니다.
   ========================================================= */
:root {
  --paper: #f3f2ee;          /* 바탕색 (부드러운 미색) */
  --ink: #2b2d2b;            /* 글자색 */
  --muted: #7a7d79;          /* 보조 글자색 */
  --line: rgba(43, 45, 43, .12);
  --header-h: 56px;          /* 상단 메뉴 높이 */
  --gutter: clamp(16px, 3vw, 32px);
  --font: 'Apple SD Gothic Neo', 'Noto Sans KR', system-ui, -apple-system, sans-serif;
}
@media (max-width: 720px) { :root { --header-h: 52px; } }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 14px; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- 상단 메뉴 ---------- */
.site-header { position: sticky; top: 0; z-index: 50; height: var(--header-h); background: var(--paper); }
.site-header__inner { height: 100%; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 var(--gutter); }
.site-nav { display: flex; gap: clamp(18px, 2.4vw, 32px); font-size: 12px; letter-spacing: .04em; }
.site-nav a { color: var(--muted); transition: color .2s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-logo { grid-column: 2; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 16px; font-weight: 300; letter-spacing: .34em; }
/* 워드마크: 브랜드 아이덴티티대로 마지막 K를 좌우 반전 (거울의 반사) */
.k-mirror { display: inline-block; transform: scaleX(-1); letter-spacing: 0; }
.site-header__end { grid-column: 3; justify-self: end; }
.menu-toggle { display: none; }

@media (max-width: 720px) {
  .menu-toggle { display: inline-flex; align-items: center; grid-column: 1; justify-self: start; min-height: 44px; padding: 0; border: 0; background: none; font: inherit; font-size: 12px; letter-spacing: .04em; color: var(--ink); cursor: pointer; }
  .site-nav { position: absolute; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0; padding: 4px var(--gutter) 20px; background: var(--paper); font-size: 15px; }
  .site-nav a { padding: 10px 0; }
  .site-header:not(.is-open) .site-nav { display: none; }
}
a:focus-visible, button:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

/* ---------- 대문 높이: 상단 메뉴만큼 뺀 화면 높이 ---------- */
.page-home #knotink-entrance { --knotink-height: calc(100svh - var(--header-h)); }
/* 휴대폰(손가락 입력)에서는 아래 섹션이 살짝 보이게 해서
   대문 아래쪽에서 페이지를 스크롤할 수 있는 자리를 만듭니다. */
@media (pointer: coarse) {
  .page-home #knotink-entrance { --knotink-height: calc(100svh - var(--header-h) - 44px); }
}

/* ---------- 일반 섹션 ---------- */
.section { padding: clamp(56px, 9vw, 120px) var(--gutter); }
.section__label { margin: 0 0 28px; font-size: 12px; font-weight: 400; letter-spacing: .04em; color: var(--muted); }
.page-title { margin: 0; padding: clamp(48px, 8vw, 96px) var(--gutter) 0; font-size: 12px; font-weight: 400; letter-spacing: .04em; color: var(--muted); }

/* ---------- 컬렉션 목록 ---------- */
.collection-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: clamp(32px, 4vw, 56px) clamp(16px, 2vw, 28px); }
.collection-item a { display: block; }
.collection-item__img { aspect-ratio: 4 / 3; overflow: hidden; background: #eceae4; }
.collection-item__img.crop-wide { aspect-ratio: 16 / 9; }
.collection-item__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .7, .2, 1); }
.collection-item a:hover img { transform: scale(1.025); }
.collection-item__name { margin-top: 14px; font-size: 13px; }
.collection-item__name span { color: var(--muted); margin-left: .5em; }

/* ---------- 상품 상세 ---------- */
.glass-stage { height: max(520px, min(90svh, calc(100svh - var(--header-h)))); }
.product { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); padding: clamp(56px, 8vw, 112px) var(--gutter); align-items: start; }
.product__photos { display: grid; gap: clamp(12px, 1.6vw, 20px); }
.product__photos figure { margin: 0; background: #eceae4; }
.product__photos img { width: 100%; }
.product__photos img.crop-wide { aspect-ratio: 16 / 9; object-fit: cover; } /* 사진 가장자리 글씨를 가릴 때만 사용 */
.product__info { position: sticky; top: calc(var(--header-h) + 32px); }
.product__name { margin: 0 0 28px; font-size: 15px; font-weight: 500; letter-spacing: .02em; }
.product__name span { display: block; font-weight: 400; color: var(--muted); font-size: 13px; }
.spec { margin: 0; display: grid; grid-template-columns: 6.5em 1fr; gap: 10px 16px; font-size: 13px; }
.spec dt { color: var(--muted); }
.spec dd { margin: 0; white-space: pre-line; }
.spec .is-empty { color: #b2b4b0; }
.product__actions { margin-top: 32px; display: flex; gap: 10px; flex-wrap: wrap; }
.product__actions a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 22px; border: 1px solid var(--ink); font-size: 13px; }
.product__actions a.primary { background: var(--ink); color: var(--paper); }
.draft-note { margin: 24px 0 0; padding: 12px 14px; font-size: 12px; color: #8a5a00; background: #fbf1d9; }
@media (max-width: 860px) {
  .product { grid-template-columns: 1fr; }
  .product__info { position: static; }
}

/* ---------- 빈 페이지(About / Archive) ---------- */
.page-body { padding: 32px var(--gutter) clamp(80px, 12vw, 160px); max-width: 760px; min-height: 50vh; }

/* ---------- About ---------- */
.about-lead { padding: clamp(40px, 7vw, 96px) var(--gutter) clamp(56px, 9vw, 128px); max-width: 980px; }
.about-lead p { margin: 0 0 1.1em; font-size: clamp(18px, 2.1vw, 26px); line-height: 1.75; letter-spacing: -.01em; word-break: keep-all; }
.about-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 24px clamp(24px, 5vw, 80px); padding: clamp(40px, 6vw, 72px) var(--gutter); border-top: 1px solid var(--line); }
.about-row h2 { margin: 0; font-size: 12px; font-weight: 400; letter-spacing: .04em; color: var(--muted); }
.about-row p { margin: 0 0 1em; max-width: 640px; word-break: keep-all; }
.about-list { margin: 0; display: grid; grid-template-columns: minmax(0, 13em) minmax(0, 1fr); gap: 18px 32px; max-width: 760px; }
.about-list dt { font-weight: 500; }
.about-list dt span { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.about-list dd { margin: 0; word-break: keep-all; }
.about-note { margin-top: 28px !important; color: var(--muted); }
@media (max-width: 720px) {
  .about-row { grid-template-columns: 1fr; }
  .about-list { grid-template-columns: 1fr; gap: 4px; }
  .about-list dd { margin-bottom: 18px; }
}

/* ---------- Home 소개 ---------- */
.home-intro { padding: clamp(64px, 10vw, 140px) var(--gutter) clamp(24px, 4vw, 48px); max-width: 980px; }
.home-intro p { margin: 0 0 1.1em; font-size: clamp(17px, 1.9vw, 24px); line-height: 1.75; word-break: keep-all; }
.home-intro a { display: inline-block; margin-top: 12px; font-size: 12px; letter-spacing: .04em; color: var(--muted); border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.home-intro a:hover { color: var(--ink); }

/* ---------- 바닥글 ---------- */
.site-footer { padding: 40px var(--gutter) calc(40px + env(safe-area-inset-bottom)); font-size: 11px; letter-spacing: .08em; color: var(--muted); }