/* ORDERBRIDGE — 공통 컴포넌트
   배치 A 소유. 배치 B·C는 이 클래스를 재사용한다. */

/* ── 공통 유틸 ───────────────────────────────────────────── */
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--pad-x); }
.wrap-app { max-width: var(--max-app); margin: 0 auto; padding-inline: var(--pad-x); }
.label {
  font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--ls-label);
  text-transform: uppercase;
}
.meta { font-size: var(--fs-meta); color: var(--muted); }
.measure { max-width: 62ch; }
.num { font-variant-numeric: tabular-nums; }
.sr {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

/* ── 헤더 ────────────────────────────────────────────────── */
.ob-header {
  position: sticky; top: 0; z-index: 40;
  background: var(--bg); border-bottom: 1px solid var(--rule);
}
.ob-header__bar {
  height: var(--header-h);
  max-width: var(--max-app); margin: 0 auto; padding-inline: var(--pad-x);
  display: flex; align-items: center; gap: 16px;
}
.ob-wordmark {
  font-size: 0.9375rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink); text-decoration: none; white-space: nowrap;
}
.ob-wordmark:hover { text-decoration: none; color: var(--signal); }

.ob-hnav { display: flex; align-items: center; gap: 18px; margin-left: 12px; }
.ob-hnav a {
  font-size: var(--fs-meta); font-weight: 600; color: var(--ink);
  text-decoration: none; white-space: nowrap;
  transition: color var(--t-fast) var(--ease);
}
.ob-hnav a:hover { color: var(--signal); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.ob-hnav a[aria-current="page"] { color: var(--signal); }

.ob-hright { margin-left: auto; display: flex; align-items: center; gap: 10px; min-width: 0; }

/* 샘플 데모 배지 */
.ob-badge {
  display: inline-flex; align-items: center; height: 24px; padding: 0 10px;
  border-radius: 999px; background: var(--ink); color: var(--on-ink);
  font-size: 0.625rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; white-space: nowrap;
}

/* 언어 토글 · 역할 세그먼트 */
.ob-seg { display: inline-flex; border: 1px solid var(--rule); border-radius: 999px; overflow: hidden; }
.ob-seg button {
  padding: 4px 10px; font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--ink); background: var(--bg); white-space: nowrap;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.ob-seg button + button { border-left: 1px solid var(--rule); }
.ob-seg button:hover { background: var(--ink); color: var(--on-ink); }
.ob-seg button[aria-pressed="true"] { background: var(--signal); color: var(--on-signal); }

.ob-iconbtn {
  width: 28px; height: 28px; display: grid; place-items: center;
  border: 1px solid var(--rule); border-radius: 999px; color: var(--ink);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.ob-iconbtn:hover { background: var(--ink); color: var(--on-ink); }

.ob-chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 28px; padding: 0 12px; border: 1px solid var(--rule); border-radius: 999px;
  font-size: 0.6875rem; font-weight: 600; white-space: nowrap; color: var(--ink);
  text-decoration: none; min-width: 0;
}
/* 계정명은 길이에 상관없이 잘라낸다 — 헤더 우측 클러스터 폭을 상한선 안에 묶기 위함 */
.ob-chip__n { max-width: 8ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
a.ob-chip:hover, .ob-chip--btn:hover { background: var(--ink); color: var(--on-ink); text-decoration: none; }
.ob-chip__dot { width: 6px; height: 6px; border-radius: 999px; background: var(--signal); }
.ob-chip__x {
  font-size: 0.625rem; letter-spacing: var(--ls-label); text-transform: uppercase;
  color: inherit; opacity: 0.65;
}
.ob-chip__x:hover { opacity: 1; text-decoration: underline; }

/* ── 버튼 ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 12px 22px;
  font-size: var(--fs-meta); font-weight: 600; letter-spacing: 0.01em;
  text-decoration: none; white-space: nowrap;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}
.btn:hover { text-decoration: none; }
.btn-1 { background: var(--signal); color: var(--on-signal); border: 1px solid var(--signal); }
.btn-1:hover { background: var(--ink); border-color: var(--rule); color: var(--on-ink); }
.btn-2 { background: transparent; color: var(--ink); border: 1px solid var(--rule); }
.btn-2:hover { background: var(--ink); color: var(--on-ink); }
.btn-sm { padding: 7px 14px; font-size: 0.75rem; }
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.4; pointer-events: none;
}
.btn-wrap { display: inline-flex; }            /* disabled 버튼 툴팁용 래퍼 */
.btn-wrap .btn:disabled { pointer-events: none; }

/* ── 태그 / 상태 알약 ────────────────────────────────────── */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 5px 12px;
  border: 1px solid var(--rule); background: transparent; color: var(--ink);
  font-size: var(--fs-label); font-weight: 600; letter-spacing: 0.02em; white-space: nowrap;
}
.tag--up { letter-spacing: var(--ls-label); text-transform: uppercase; }
/* 상태색은 만들지 않는다 — 채움 반전으로만 구분 */
.tag[data-status="등록"]     { border-color: var(--rule); background: transparent; color: var(--ink); }
.tag[data-status="확인대기"] { border-color: var(--signal); background: var(--signal); color: var(--on-signal); }
.tag[data-status="발주완료"] { border-color: var(--rule); background: var(--ink); color: var(--on-ink); }
.tag[data-status="수정요청"] { border-color: var(--rule); background: transparent; color: var(--signal); }
.tag[data-status="보류"]     { border-color: var(--rule-soft); background: transparent; color: var(--muted); }
.tag[data-status="작성중"]   { border-color: var(--rule); background: transparent; color: var(--ink); border-style: dashed; }

/* ── 레이아웃 (앱 화면) ──────────────────────────────────── */
#ob-layout { display: flex; align-items: flex-start; max-width: var(--max-app); margin: 0 auto; }
#ob-nav {
  flex: 0 0 var(--nav-w); width: var(--nav-w);
  position: sticky; top: var(--header-h);
  align-self: flex-start;
  border-right: 1px solid var(--rule);
  padding: 24px 0 40px;
}
#ob-main { flex: 1 1 auto; min-width: 0; padding: 24px var(--pad-x) 72px; }

body[data-chrome="marketing"] #ob-layout,
body[data-chrome="auth"] #ob-layout { display: block; }
body[data-chrome="marketing"] #ob-nav,
body[data-chrome="auth"] #ob-nav { display: none; }
body[data-chrome="marketing"] #ob-main { padding: 0; }
body[data-chrome="auth"] #ob-main { padding: var(--sec) var(--pad-x); }

.ob-navlist a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px var(--pad-x) 9px 20px;
  font-size: var(--fs-meta); font-weight: 600; color: var(--ink); text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.ob-navlist a:hover { background: var(--ink); color: var(--on-ink); text-decoration: none; }
.ob-navlist a[aria-current="page"] { color: var(--signal); }
.ob-navdot { width: 6px; height: 6px; border-radius: 999px; background: transparent; flex: none; }
.ob-navlist a[aria-current="page"] .ob-navdot { background: var(--signal); }
.ob-navgroup {
  padding: 18px 20px 6px; color: var(--muted);
  font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--ls-label); text-transform: uppercase;
}
.ob-navnote { padding: 16px 20px 0; margin-top: 16px; border-top: 1px solid var(--rule-soft); }

/* ── 페이지 헤드 ─────────────────────────────────────────── */
.page-head {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px;
  padding-bottom: 16px; margin-bottom: 20px; border-bottom: 1px solid var(--rule);
}
.page-head__actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }

/* ── 카드 격자 (보더 공유) ───────────────────────────────── */
.card {
  border: 1px solid var(--rule); border-radius: 0; background: var(--bg);
  padding: 20px; box-shadow: none;
}
.grid {
  display: grid; gap: 0;
  border: 1px solid var(--rule); border-radius: 0;
}
.grid > * {
  padding: 22px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
.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)); }
.card-link { color: var(--ink); text-decoration: none; display: block; }
.card-link:hover, .grid--hover > a:hover, .grid--hover > .card-link:hover {
  background: var(--ink); color: var(--on-ink); text-decoration: none;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.card-link:hover .meta, .grid--hover > a:hover .meta { color: var(--on-ink); }
.card-link:hover svg { color: var(--on-ink); }

/* ── 밀집 표 ─────────────────────────────────────────────── */
.ob-tablewrap { border: 1px solid var(--rule); background: var(--bg); }
.ob-table { width: 100%; font-size: var(--fs-cell); line-height: var(--lh-cell); }
.ob-table th, .ob-table td {
  padding: var(--cell-pad); height: var(--row-h);
  border-bottom: 1px solid var(--rule-soft);
  font-variant-numeric: tabular-nums;
  vertical-align: middle;
}
.ob-table thead th {
  position: sticky; top: var(--header-h); z-index: 2;
  background: var(--bg); border-bottom: 1px solid var(--rule);
  font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--ls-label);
  text-transform: uppercase; white-space: nowrap;
}
.ob-table tbody tr {
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.ob-table tbody tr:hover { background: var(--ink); color: var(--on-ink); }
.ob-table tbody tr:hover a { color: var(--on-ink); }
.ob-table tbody tr:hover .meta { color: var(--on-ink); }
.ob-table tbody tr:last-child td { border-bottom: 0; }
.ob-table td.c-check, .ob-table th.c-check { width: 36px; padding-right: 0; }
.ob-table td.c-photo, .ob-table th.c-photo { width: 56px; }
.ob-table td.c-photo img { width: 40px; height: 40px; object-fit: cover; border: 1px solid var(--rule-soft); }
.ob-table td.c-num, .ob-table th.c-num { text-align: right; }
.ob-table caption { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule); }

/* ── 폼 컨트롤 ───────────────────────────────────────────── */
.field { display: block; margin-bottom: 16px; }
.field > .label { display: block; margin-bottom: 6px; }
.field__hint { display: block; margin-top: 6px; font-size: var(--fs-meta); color: var(--muted); }
.field__err { display: block; margin-top: 6px; font-size: var(--fs-meta); color: var(--signal); font-weight: 600; }

.input, .select, .textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--rule); border-radius: 0;
  background: var(--bg); color: var(--ink); font-size: var(--fs-meta);
  transition: border-color var(--t-fast) var(--ease);
}
.input::placeholder, .textarea::placeholder { color: var(--muted); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--signal); }
.input:disabled, .select:disabled, .textarea:disabled { color: var(--muted); border-color: var(--rule-soft); }
.textarea { min-height: 88px; resize: vertical; line-height: 1.5; }
.select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
  padding-right: 32px;
}
.input[aria-invalid="true"], .select[aria-invalid="true"] { border-color: var(--signal); border-width: 2px; }

.check { display: inline-flex; align-items: center; gap: 8px; font-size: var(--fs-meta); cursor: pointer; }
.check input[type="checkbox"], .check input[type="radio"] {
  appearance: none; width: 15px; height: 15px; flex: none;
  border: 1px solid var(--rule); border-radius: 0; background: var(--bg);
  display: grid; place-items: center; cursor: pointer;
}
.check input[type="radio"] { border-radius: 999px; }
.check input:checked { background: var(--signal); border-color: var(--signal); }
.check input:checked::after {
  content: ""; width: 7px; height: 4px;
  border-left: 1.5px solid var(--on-signal); border-bottom: 1.5px solid var(--on-signal);
  transform: rotate(-45deg) translateY(-1px);
}
.check input[type="radio"]:checked::after {
  content: ""; width: 5px; height: 5px; border: 0; border-radius: 999px; background: var(--on-signal); transform: none;
}
.ob-table input[type="checkbox"] {
  appearance: none; width: 15px; height: 15px;
  border: 1px solid currentColor; background: transparent; display: grid; place-items: center; cursor: pointer;
}
.ob-table input[type="checkbox"]:checked { background: var(--signal); border-color: var(--signal); }
.ob-table input[type="checkbox"]:checked::after {
  content: ""; width: 7px; height: 4px;
  border-left: 1.5px solid var(--on-signal); border-bottom: 1.5px solid var(--on-signal);
  transform: rotate(-45deg) translateY(-1px);
}

.dropzone {
  border: 1px dashed var(--rule); border-radius: 0; padding: 32px 20px;
  display: grid; place-items: center; gap: 10px; text-align: center;
  background: var(--bg); color: var(--ink); cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.dropzone:hover, .dropzone.is-over { background: var(--ink); color: var(--on-ink); border-style: solid; }
.dropzone.is-over .meta, .dropzone:hover .meta { color: var(--on-ink); }

/* ── 빈 상태 / 스켈레톤 / 페이지네이션 ───────────────────── */
.empty {
  border: 1px solid var(--rule); padding: 56px 24px; text-align: center;
  display: grid; justify-items: center; gap: 10px;
}
.skel { border: 1px solid var(--rule); }
.skel__row {
  height: var(--row-h); border-bottom: 1px solid var(--rule-soft);
  display: flex; align-items: center; gap: 12px; padding: var(--cell-pad);
}
.skel__bar {
  height: 9px; background: var(--rule-soft); flex: 1 1 auto;
  animation: skel 1.1s var(--ease) infinite alternate;
}
.skel__bar:nth-child(2) { flex: 0 0 18%; }
.skel__bar:nth-child(3) { flex: 0 0 12%; }
@keyframes skel { from { opacity: 0.45; } to { opacity: 1; } }

.pager { display: flex; align-items: center; gap: 6px; padding-top: 16px; flex-wrap: wrap; }
.pager button, .pager span.pager__gap {
  min-width: 30px; height: 30px; padding: 0 8px;
  border: 1px solid var(--rule); background: var(--bg); color: var(--ink);
  font-size: 0.75rem; font-weight: 600; font-variant-numeric: tabular-nums;
  display: inline-grid; place-items: center;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.pager span.pager__gap { border-color: transparent; color: var(--muted); }
.pager button:hover:not(:disabled) { background: var(--ink); color: var(--on-ink); }
.pager button[aria-current="page"] { background: var(--signal); border-color: var(--signal); color: var(--on-signal); }
.pager button:disabled { color: var(--muted); border-color: var(--rule-soft); }
.pager__info { margin-left: auto; font-size: var(--fs-meta); color: var(--muted); font-variant-numeric: tabular-nums; }

/* ── 통계 블록 ───────────────────────────────────────────── */
.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
.stat { padding: 28px 22px; border-right: 1px solid var(--rule); }
.stat:last-child { border-right: 0; }
.stat__n {
  display: block; font-size: var(--fs-stat); font-weight: 700;
  letter-spacing: var(--ls-stat); line-height: 1; color: var(--signal);
  font-variant-numeric: tabular-nums;
}
.stat__u {
  font-size: 0.26em; font-weight: 600; letter-spacing: 0; color: var(--muted);
  margin-left: 0.14em;
}
.stat__k { display: block; margin-top: 10px; color: var(--ink); }
.stat__d { display: block; margin-top: 4px; }
.reveal { opacity: 0; transform: translateY(8px); }
.reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity var(--t-in) var(--ease), transform var(--t-in) var(--ease);
}

/* 컴팩트 KPI (대시보드·관리 화면용) */
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--rule); }
.kpi { padding: 16px 18px; border-right: 1px solid var(--rule); }
.kpi:last-child { border-right: 0; }
.kpi__n {
  display: block; font-size: 2rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.05;
  color: var(--signal); font-variant-numeric: tabular-nums;
}
.kpi__k { display: block; margin-top: 6px; }

/* 게이지 (동시접속 등) */
.gauge { border: 1px solid var(--rule); height: 12px; display: block; overflow: hidden; }
.gauge__fill { display: block; height: 100%; background: var(--signal); }

/* ── 토스트 ──────────────────────────────────────────────── */
#ob-toast {
  position: fixed; right: 20px; bottom: 20px; z-index: 80;
  display: flex; flex-direction: column; gap: 8px; align-items: flex-end;
  pointer-events: none;
}
.toast {
  border: 1px solid var(--rule); background: var(--bg); color: var(--ink);
  padding: 11px 16px; max-width: min(380px, calc(100vw - 40px));
  font-size: var(--fs-meta); font-weight: 600;
  display: flex; align-items: flex-start; gap: 10px;
  animation: toast-in var(--t-in) var(--ease);
}
.toast__k { width: 6px; align-self: stretch; flex: none; background: var(--muted); }
.toast--ok .toast__k { background: var(--ink); }
.toast--info .toast__k { background: var(--signal); }
.toast--warn .toast__k { background: var(--signal); }
.toast--warn { border-width: 2px; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ── 모달 ────────────────────────────────────────────────── */
#ob-modal { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: 20px; }
.modal__ov { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); }
.modal__box {
  position: relative; background: var(--bg); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 0;
  width: min(560px, 100%); max-height: 86vh; overflow: auto;
  animation: modal-in var(--t-in) var(--ease);
}
.modal__hd {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; border-bottom: 1px solid var(--rule);
}
.modal__hd h2 { font-size: 1.125rem; }
.modal__x { margin-left: auto; }
.modal__bd { padding: 20px; }
.modal__ft { display: flex; gap: 8px; justify-content: flex-end; padding: 16px 20px; border-top: 1px solid var(--rule); }
@keyframes modal-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ── 룰 / 구분 ───────────────────────────────────────────── */
.rule { border: 0; border-top: 1px solid var(--rule); }
.rule-soft { border: 0; border-top: 1px solid var(--rule-soft); }
.inverse { background: var(--ink); color: var(--on-ink); }
.inverse a, .inverse .meta { color: var(--on-ink); }
.inverse a:hover { text-decoration-color: var(--on-ink); }

/* =========================================================
   랜딩 (index.html)
   ========================================================= */
.sec { padding-block: var(--sec); }
.sec-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 14px; margin-bottom: 28px; }
.sec-head .label { color: var(--signal); }

/* 히어로 */
.hero { padding-top: clamp(40px, 6vw, 84px); padding-bottom: var(--sec); }
.hero__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gap); align-items: start; }
.hero__copy { grid-column: span 7; }
.hero__side { grid-column: span 5; display: grid; gap: 18px; }
.hero h1 { margin-top: 14px; }
.hero__lead { margin-top: 22px; display: grid; gap: 10px; }
.hero__cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hero__img { border: 1px solid var(--rule); filter: grayscale(1) contrast(1.15); aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }

/* 문제 → 해법 */
.vs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--rule); }
.vs__col { padding: 26px 24px; }
.vs__col + .vs__col { border-left: 1px solid var(--rule); }
.vs__col h3 { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--rule); }
.vs__list { margin-top: 16px; display: grid; gap: 14px; }
.vs__list li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; font-size: var(--fs-meta); line-height: 1.5; }
.vs__i { font-size: var(--fs-label); font-weight: 600; color: var(--muted); font-variant-numeric: tabular-nums; padding-top: 2px; }
.vs__col--sol .vs__i { color: var(--signal); }

/* 워크플로우 다이어그램 */
.flow { border: 1px solid var(--rule); padding: 24px; }
.flow__svg { width: 100%; height: auto; color: var(--ink); }
.flow__note { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--rule-soft); display: flex; gap: 10px; align-items: flex-start; }

/* 기능 카드 */
.feat__icon { color: var(--signal); margin-bottom: 16px; }
.grid--hover > a:hover .feat__icon { color: var(--on-ink); }
.feat h3 { margin-bottom: 8px; }

/* 화면 미리보기 */
.prev__k { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.prev__k .label { color: var(--signal); }
.grid--hover > a:hover .prev__k .label { color: var(--on-ink); }
.prev__do { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--rule-soft); font-size: var(--fs-meta); }
.prev__do .label { color: var(--muted); }
.card-link:hover .label, .card-link:hover .prev__do { color: var(--on-ink); }
.card-link:hover .prev__do { border-top-color: rgba(255, 255, 255, 0.3); }
[data-theme="dark"] .card-link:hover .prev__do { border-top-color: rgba(0, 0, 0, 0.3); }

/* 푸터 */
.ob-footer { background: var(--ink); color: var(--on-ink); padding-block: clamp(40px, 5vw, 64px); }
.ob-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.ob-footer .ob-wordmark { color: var(--on-ink); }
.ob-footer .ob-wordmark:hover { color: var(--on-ink); }
.ob-footer .meta { color: var(--on-ink); opacity: 0.7; }
.ob-footer h3 { font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--ls-label); text-transform: uppercase; opacity: 0.6; margin-bottom: 12px; }
.ob-footer ul { display: grid; gap: 8px; }
.ob-footer li a { color: var(--on-ink); font-size: var(--fs-meta); font-weight: 600; text-decoration: none; }
.ob-footer li a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.ob-footer__bot { margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.25); display: flex; flex-wrap: wrap; gap: 12px; }
[data-theme="dark"] .ob-footer__bot { border-top-color: rgba(0, 0, 0, 0.25); }

/* =========================================================
   반응형 — 1024 / 720 / 460
   ========================================================= */
@media (max-width: 1024px) {
  .ob-hnav { display: none; }
  /* 헤더 60px 한 줄 유지 — 축약으로만 폭을 줄인다(요소 숨김 금지) */
  .ob-hright { gap: 6px; }
  .ob-hright .btn-sm { padding: 7px 12px; }
  .ob-chip { padding: 0 9px; gap: 6px; }
  .ob-chip__n { max-width: 6ch; }
  .ob-tablewrap { overflow-x: auto; }
  .ob-table { min-width: 860px; }
  #ob-nav {
    position: static; flex: 0 0 auto; width: 100%;
    border-right: 0; border-bottom: 1px solid var(--rule); padding: 8px 0;
  }
  #ob-layout { display: block; }
  .ob-navlist { display: flex; flex-wrap: wrap; padding-inline: calc(var(--pad-x) - 14px); }
  .ob-navlist a { padding: 9px 14px; }
  .ob-navgroup, .ob-navnote { display: none; }
  .hero__copy, .hero__side { grid-column: span 12; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(2n) { border-right: 0; }
  .stat:nth-child(-n + 2) { border-bottom: 1px solid var(--rule); }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi:nth-child(2n) { border-right: 0; }
  .kpi:nth-child(-n + 2) { border-bottom: 1px solid var(--rule); }
  .ob-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  :root { --header-h: 0px; }
  .ob-header { position: static; }
  .ob-header__bar { height: auto; flex-wrap: wrap; row-gap: 10px; padding-block: 12px; }
  .ob-hright { margin-left: 0; width: 100%; flex-wrap: wrap; }
  .grid-3, .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .grid > * { border-right: 0; }
  .vs { grid-template-columns: minmax(0, 1fr); }
  .vs__col + .vs__col { border-left: 0; border-top: 1px solid var(--rule); }
  .ob-footer__grid { grid-template-columns: minmax(0, 1fr); gap: 24px; }
}

@media (max-width: 460px) {
  .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: minmax(0, 1fr); }
  .stat { border-right: 0; border-bottom: 1px solid var(--rule); }
  .stat:last-child { border-bottom: 0; }
  .kpis { grid-template-columns: minmax(0, 1fr); }
  .kpi { border-right: 0; border-bottom: 1px solid var(--rule); }
  .kpi:last-child { border-bottom: 0; }
  .hero__cta .btn { flex: 1 1 100%; }
  #ob-toast { left: 12px; right: 12px; align-items: stretch; }
  .toast { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .reveal.is-in { transition: none; }
  .toast, .modal__box { animation: none; }
  .skel__bar { animation: none; }
  /* 호버 반전은 즉시 유지 */
  *, *::before, *::after { transition-duration: 1ms !important; }
}