/* ===== 세인알앤브이 홈페이지 — 원본 Rails 디자인 언어 재현 =====
   색상/폰트/헤더 스타일을 origin/main의 application.css에서 가져옴. */

:root {
    --ink: #162023;
    --muted: #4D4D4D;
    --line: #dce4e6;
    --paper: #ffffff;
    --soft: #f4f7f7;
    --teal: #087d7a;
    --teal-dark: #075f5d;
    --amber: #d9901f;
    --blue: #2F529E;
    --nav-active: #1A68BD;
    --header-bg: #151515;
    --radius: 10px;
    --maxw: 1180px;
    --header-h: 66px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: Arial, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
    line-height: 1.6;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }
h1, h2, h3 { line-height: 1.3; }

/* ===== 헤더 (다크 고정) ===== */
.site-header {
    position: fixed; top: 0; left: 50%; transform: translateX(-50%);
    z-index: 40; display: flex; align-items: center;
    width: 100%; max-width: var(--maxw);
    height: var(--header-h);
    padding: 0 clamp(20px, 5vw, 60px); gap: 40px;
}
.site-header::before {
    content: ""; position: absolute; inset: 0 0 0 50%; transform: translateX(-50%);
    width: 100vw; background: var(--header-bg); z-index: -1;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo { height: 30px; width: auto; }
.brand-name { display: flex; flex-direction: row; align-items: baseline; gap: 10px; line-height: 1.2; color: #fff; font-weight: 800; font-size: 1.28rem; white-space: nowrap; }
.brand-name em { font-style: normal; font-weight: 400; font-size: .78rem; color: #9fb0b0; letter-spacing: .04em; }
@media (max-width: 480px) { .brand-name { font-size: 1.05rem; gap: 6px; } .brand-name em { display: none; } }
.site-nav { display: flex; align-items: center; gap: clamp(6px, 2vw, 32px); margin-left: auto; }
.nav-item { position: relative; }
.nav-tab {
    display: inline-flex; align-items: center; height: var(--header-h);
    padding: 0 6px; color: #E8E8E8; font-size: 0.95rem; transition: color .15s;
}
.nav-tab:hover { color: #fff; }
.nav-tab.is-active { color: var(--nav-active); }

/* 드롭다운 서브메뉴 */
.nav-submenu {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; min-width: 130px; padding: 8px 0;
    background: #1c1c1c; border-radius: 0 0 8px 8px;
    opacity: 0; pointer-events: none; transition: opacity .15s;
}
.nav-item.has-submenu:hover .nav-submenu { opacity: 1; pointer-events: auto; }
.submenu-link { padding: 8px 18px; color: #cfcfcf; font-size: 0.88rem; white-space: nowrap; }
.submenu-link:hover { color: #fff; background: rgba(255,255,255,.06); }

/* 모바일 토글 */
.site-nav-toggle {
    display: none; margin-left: auto; width: 40px; height: 40px;
    background: transparent; border: 0; cursor: pointer; position: relative;
}
.site-nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 4px auto; transition: .2s; }

/* ===== 본문 영역 ===== */
.site-main { min-height: 60vh; padding-top: var(--header-h); }
.container-page { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px) 4rem; }
.site-main > section:not(.hero),
.site-main > article { max-width: var(--maxw); margin-left: auto; margin-right: auto; padding-left: clamp(20px, 5vw, 40px); padding-right: clamp(20px, 5vw, 40px); }

/* ===== 버튼 ===== */
.btn, button.btn {
    display: inline-block; padding: 0.65rem 1.5rem; border-radius: var(--radius);
    background: var(--teal); color: #fff; border: 0; font-size: 0.95rem; cursor: pointer; transition: background .15s;
}
.btn:hover { background: var(--teal-dark); color: #fff; }
.btn--plain { background: #fff; color: var(--teal); border: 1px solid var(--teal); }
.btn--plain:hover { background: var(--soft); color: var(--teal-dark); }
.btn--danger { background: #c0392b; }
.link { background: none; border: 0; color: var(--teal); cursor: pointer; padding: 0; }
.link-danger { background: none; border: 0; color: #c0392b; cursor: pointer; padding: 0; }

/* ===== 섹션 공통 ===== */
.section-title { font-size: 1.7rem; margin: 2.8rem 0 1.3rem; color: var(--ink); }
.page-head { padding: 2.5rem 0 1.2rem; border-bottom: 2px solid var(--line); margin-bottom: 1.8rem; }
.page-head h1 { font-size: 2rem; margin: .3rem 0 0; }
.page-head__kicker, .hero__kicker { color: var(--teal); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: .8rem; }
.content-table-empty, .empty { color: var(--muted); padding: 2rem 0; }

/* ===== 홈 상단 배너 (원본 page-banner-section 재현) ===== */
.site-main.is-home { padding-top: 0; }
.banner {
    max-width: none !important; margin: 0; color: #fff;
    min-height: 512px; display: flex; align-items: center;
    padding: calc(var(--header-h) + 10px) clamp(20px,5vw,72px) 40px;
    background-color: var(--header-bg);
    background-image:
        linear-gradient(to right, rgba(232,232,232,0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(232,232,232,0.06) 1px, transparent 1px);
    background-size: 120px 120px;
}
.banner__inner {
    max-width: 1320px; width: 100%; margin: 0 auto;
    display: grid; grid-template-columns: minmax(0,1.4fr) 2.5px minmax(0,1.2fr);
    align-items: center; gap: clamp(28px,4vw,72px);
}
.banner__left { position: relative; justify-self: end; width: 100%; max-width: 660px; text-align: center;
    --msg-row: clamp(1.9rem, 2.6vw, 2.6rem); }
.banner__logo { width: clamp(230px, 26vw, 340px); height: auto; display: block; margin-bottom: 18px; }
/* 브랜드는 메시지 줄 위로 띄워서, 메시지 줄이 배너 세로 중앙(=우측 강조 키워드)과 같은 높이에 오게 함 */
.banner__brand { position: absolute; left: 0; right: 0; bottom: calc(100% + 18px); margin: 0; color: #fff; font-weight: 800; line-height: 1; }
.banner__brand strong { font-size: clamp(2.2rem, 4.4vw, 3.4rem); letter-spacing: .04em; }
.banner__brand em { font-style: normal; font-weight: 400; font-size: clamp(.9rem, 1.4vw, 1.15rem); color: #aebbbb; letter-spacing: .06em; margin-left: 12px; white-space: nowrap; }

/* 좌측 메시지 — 세로로 굴러가는 롤링(1행 뷰포트) */
.banner__messages { height: var(--msg-row); overflow: hidden; }
.banner__messages-track { animation: banner-msg-roll 7s cubic-bezier(0.22,1,0.36,1) 1s infinite both; will-change: transform; }
.banner__messages-track span {
    display: block; height: var(--msg-row); line-height: var(--msg-row);
    white-space: nowrap; text-align: center;
    font-size: clamp(1.2rem, 2.2vw, 1.85rem); font-weight: 700;
}

/* 파란 세로 구분선 + 우측으로 이어지는 가로 연결선 (기존 스타일) */
.banner__divider {
    position: relative; grid-column: 2; justify-self: center; align-self: center;
    width: 2.5px; height: clamp(120px, 13vw, 168px); background: #2f529e;
}
.banner__divider::after {
    content: ""; position: absolute; top: 50%; left: 100%;
    width: clamp(48px, 6vw, 104px); height: 2.5px; background: #2f529e;
    transform: translateY(-50%);
}

/* 우측 키워드 — 세로로 굴러가는 롤링(3행 뷰포트, 가운데가 커짐) */
.banner__keywords { justify-self: stretch; width: 100%; text-align: center; --kw-row: clamp(2.8rem, 3.8vw, 3.6rem); }
.banner__keywords-track { height: calc(var(--kw-row) * 3); overflow: hidden; padding: 0 10px; }
.banner__keywords-list { animation: banner-kw-roll 7s cubic-bezier(0.22,1,0.36,1) 1s infinite both; will-change: transform; }
.banner__keywords-list span {
    display: block; width: 100%; height: var(--kw-row); line-height: var(--kw-row);
    white-space: nowrap; text-align: center;
    font-size: clamp(1.4rem, 2.5vw, 2.1rem); font-weight: 600;
    color: rgba(255,255,255,.55); transform-origin: center center; will-change: transform;
}
.banner__keywords-list span:nth-child(2) { color: #fff; transform: scale(1.45); animation: banner-kw-scale-1 7s cubic-bezier(0.22,1,0.36,1) 1s infinite both; }
.banner__keywords-list span:nth-child(3) { animation: banner-kw-scale-2 7s cubic-bezier(0.22,1,0.36,1) 1s infinite both; }
.banner__keywords-list span:nth-child(4) { animation: banner-kw-scale-3 7s cubic-bezier(0.22,1,0.36,1) 1s infinite both; }
.banner__keywords-list span:nth-child(5) { animation: banner-kw-scale-4 7s cubic-bezier(0.22,1,0.36,1) 1s infinite both; }

@keyframes banner-msg-roll {
    0%,28% { transform: translateY(0); }
    33%,61% { transform: translateY(calc(var(--msg-row) * -1)); }
    66%,94% { transform: translateY(calc(var(--msg-row) * -2)); }
    100% { transform: translateY(calc(var(--msg-row) * -3)); }
}
@keyframes banner-kw-roll {
    0%,28% { transform: translateY(0); }
    33%,61% { transform: translateY(calc(var(--kw-row) * -1)); }
    66%,94% { transform: translateY(calc(var(--kw-row) * -2)); }
    100% { transform: translateY(calc(var(--kw-row) * -3)); }
}
@keyframes banner-kw-scale-1 {
    0%,28% { color: #fff; transform: scale(1.45); }
    33%,100% { color: rgba(255,255,255,.55); transform: scale(1); }
}
@keyframes banner-kw-scale-2 {
    0%,28% { color: rgba(255,255,255,.55); transform: scale(1); }
    33%,61% { color: #fff; transform: scale(1.45); }
    66%,100% { color: rgba(255,255,255,.55); transform: scale(1); }
}
@keyframes banner-kw-scale-3 {
    0%,61% { color: rgba(255,255,255,.55); transform: scale(1); }
    66%,94% { color: #fff; transform: scale(1.45); }
    100% { color: rgba(255,255,255,.55); transform: scale(1); }
}
@keyframes banner-kw-scale-4 {
    0%,94% { color: rgba(255,255,255,.55); transform: scale(1); }
    100% { color: #fff; transform: scale(1.45); }
}
@media (max-width: 820px) {
    .banner__inner { grid-template-columns: 1fr; gap: 1.6rem; }
    .banner__left { justify-self: center; max-width: 100%; --msg-row: clamp(1.7rem, 6vw, 2.3rem); }
    .banner__brand { position: static; margin-bottom: 18px; }
    .banner__brand em { display: block; margin-left: 0; margin-top: 6px; }
    .banner__divider { display: none; }
    .banner__keywords { justify-self: center; --kw-row: clamp(2.4rem, 9vw, 3rem); }
}

/* ===== 홈 섹션 헤더 (큰 타이포) ===== */
.home-section { padding-top: 3.5rem; padding-bottom: 1rem; }
.home-eyebrow { color: var(--teal); font-weight: 800; letter-spacing: .04em; font-size: 1.05rem; margin: 0 0 .3rem; }
.home-heading { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin: 0 0 .6rem; line-height: 1.25; }
.home-subtitle { color: var(--muted); margin: 0 0 2rem; }

/* ===== 사업분야 카드 (이미지 배경 + 오버레이 — 원본 재현) ===== */
.biz-card-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.biz-card {
    position: relative; aspect-ratio: 1/1; overflow: hidden; border-radius: 4px;
    background: #151515; color: #fff; text-decoration: none; isolation: isolate;
}
.biz-card::after {
    content: ""; position: absolute; inset: 0; z-index: 0;
    background-image: var(--card-img); background-position: center; background-size: cover;
    transition: transform 650ms cubic-bezier(0.22,1,0.36,1);
}
.biz-card::before {
    content: ""; position: absolute; inset: 0; z-index: 1;
    background-color: #151515;
    background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
    background-size: 35px 35px; opacity: .68; transition: opacity .35s ease;
}
.biz-card:hover::before { opacity: .18; }
.biz-card:hover::after { transform: scale(1.08); }
.biz-card__content { position: absolute; left: 22px; right: 22px; bottom: 20px; z-index: 2; }
.biz-card__content h3 { font-size: 1.25rem; font-weight: 700; margin: 0 0 .5rem; }
.biz-card__content p { font-size: .85rem; line-height: 1.5; margin: 0 0 .8rem; color: rgba(255,255,255,.9);
    display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.biz-card__link { font-size: .9rem; color: #fff; }
.biz-card:hover .biz-card__link { text-decoration: underline; }

/* ===== 프로젝트 카드 ===== */
.project-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.project-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; transition: box-shadow .2s, transform .2s; }
.project-card:hover { box-shadow: 0 12px 30px rgba(0,0,0,.08); transform: translateY(-2px); }
.project-card__thumb img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.project-card__body { padding: 1.1rem 1.2rem 1.3rem; }
.project-card__label { color: var(--teal); font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.project-card__body h3 { font-size: 1.15rem; margin: .35rem 0 .5rem; }
.project-card__body p { color: var(--muted); font-size: .92rem; }

/* ===== 프로젝트 캐러셀 ===== */
.home-project__head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 1.5rem; }
.carousel-nav { display: flex; gap: .5rem; }
.carousel-btn { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: #fff; font-size: 1.4rem; line-height: 1; color: var(--ink); cursor: pointer; transition: .15s; }
.carousel-btn:hover { background: var(--teal); color: #fff; border-color: var(--teal); }
.carousel-btn:disabled { opacity: .35; cursor: default; }
.project-carousel { overflow-x: auto; scroll-behavior: smooth; scrollbar-width: none; -ms-overflow-style: none; }
.project-carousel::-webkit-scrollbar { display: none; }
.project-track { display: flex; gap: 1.5rem; }
.project-carousel .project-card { flex: 0 0 clamp(260px, 32%, 340px); }

/* ===== 스크롤 reveal (JS 있을 때만 숨김 → JS 없으면 그냥 보임) ===== */
html.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s cubic-bezier(0.22,1,0.36,1); }
html.js .reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; transition: none; } }

/* ===== 서비스 목록 ===== */
.service-list { display: flex; flex-direction: column; gap: 2.5rem; }
.service-item { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }
.service-item:nth-child(even) img { order: 2; }
.service-item img { border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; }
.service-item h2 { font-size: 1.6rem; margin: .4rem 0 .7rem; color: var(--blue); }
@media (max-width: 720px) { .service-item { grid-template-columns: 1fr; } .service-item:nth-child(even) img { order: 0; } }

/* ===== 연혁 타임라인 ===== */
.history-timeline { display: flex; flex-direction: column; gap: 1.5rem; }
.history-timeline__year { display: grid; grid-template-columns: 100px 1fr; gap: 1.2rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--line); }
.history-timeline__year-label { font-size: 1.6rem; color: var(--blue); margin: 0; font-weight: 800; }
.history-timeline__events { list-style: none; padding: 0; margin: 0; }
.history-timeline__event { display: flex; gap: .9rem; padding: .25rem 0; }
.history-timeline__month { color: var(--teal); font-weight: 700; font-variant-numeric: tabular-nums; min-width: 2.4em; }

/* ===== 목록/사례/아티클 ===== */
.case-list, .article-list { display: flex; flex-direction: column; gap: 1.5rem; margin-top: 1rem; }
.case-list-item, .article-list-item { display: flex; gap: 1.2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--line); }
.case-list-image { width: 220px; aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius); }
.case-list-meta, .article-list-item .meta { color: var(--muted); font-size: .85rem; }
.case-list-content h3 a, .article-list-item h3 a { color: var(--ink); }
.case-category-nav, .article-category-nav { display: flex; gap: .5rem; flex-wrap: wrap; margin: 1.2rem 0; }
.case-category-button, .article-category-nav a { padding: .4rem 1rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); font-size: .9rem; }
.case-category-button.is-active, .article-category-nav a.is-active { background: var(--teal); color: #fff; border-color: var(--teal); }

/* 아티클 본문 블록 */
.case-detail, .article-detail, .notice-detail { max-width: 820px; margin: 0 auto; }
.article-body { margin: 1.5rem 0; }
.article-heading { margin: 1.8rem 0 .6rem; color: var(--blue); }
.article-paragraph { margin: .9rem 0; }
.article-quote { border-left: 3px solid var(--teal); padding-left: 1rem; color: var(--muted); font-style: italic; }
.article-divider { border: 0; border-top: 1px solid var(--line); margin: 1.8rem 0; }
.article-image figcaption { color: var(--muted); font-size: .85rem; text-align: center; }
.article-image-text { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; align-items: center; }
.article-image-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .75rem; }
.preview-banner { background: #fff7ed; color: #9a3412; padding: .5rem 1rem; border-radius: var(--radius); }
.summary { font-size: 1.05rem; color: #333; }
.kicker { color: var(--teal); font-weight: 700; }

/* ===== 페이지네이션 ===== */
.pagination { display: flex; gap: .4rem; margin: 2rem 0; }
.pagination a, .pagination span, .pagination-link { padding: .4rem .8rem; border: 1px solid var(--line); border-radius: 6px; color: var(--ink); }
.pagination .current, .pagination-link.is-active { background: var(--teal); color: #fff; border-color: var(--teal); }

.prev-next { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.admin-actions { margin: 1.5rem 0; }

/* ===== 폼 ===== */
.admin-form, .contact-form { max-width: 760px; display: flex; flex-direction: column; gap: 1.1rem; margin-top: 1rem; }
/* 문의 등 폼 전용 페이지 — 가운데 정렬 컨테이너 */
.form-page { max-width: 720px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px); }
.form-page .contact-form { max-width: none; }
.admin-form label, .contact-form label { display: flex; flex-direction: column; gap: .35rem; font-weight: 600; font-size: .9rem; }
.admin-form input[type=text], .admin-form input[type=number], .admin-form input[type=date], .admin-form input[type=email],
.admin-form textarea, .admin-form select,
.contact-form input, .contact-form textarea, .contact-form select {
    padding: .6rem .75rem; border: 1px solid var(--line); border-radius: 8px; font: inherit; font-weight: 400;
}
.admin-form input:focus, .admin-form textarea:focus, .admin-form select:focus,
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--teal); outline-offset: -1px; border-color: var(--teal); }
.admin-form label.checkbox { flex-direction: row; align-items: center; gap: .5rem; }
.contact-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-actions { display: flex; gap: .6rem; margin-top: .5rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field-block { display: flex; flex-direction: column; gap: .35rem; }
.field-block__label { font-weight: 600; font-size: .9rem; }
.field-advanced { border: 1px solid var(--line); border-radius: 8px; background: #fafbfb; }
.field-advanced > summary { cursor: pointer; padding: .7rem 1rem; font-weight: 600; font-size: .9rem; color: var(--muted); }
.field-advanced__body { display: flex; flex-direction: column; gap: 1rem; padding: 0 1rem 1rem; }
@media (max-width: 620px) { .field-row { grid-template-columns: 1fr; } }
.validation-summary { color: #c0392b; }
.validation-summary ul { margin: 0; padding-left: 1.1rem; }
.flash-notice { background: #e8f6f5; color: var(--teal-dark); padding: .8rem 1rem; border-radius: var(--radius); border: 1px solid #bfe3e1; }
.flash-error { background: #fef2f2; color: #b91c1c; padding: .8rem 1rem; border-radius: var(--radius); border: 1px solid #fecaca; }
.settings-test { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); max-width: 760px; }
.settings-test h2 { font-size: 1.1rem; margin: 0 0 .3rem; }
.test-form { display: flex; gap: .6rem; margin-top: .8rem; flex-wrap: wrap; }
.test-form input { flex: 1 1 260px; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 8px; font: inherit; }
.current-image img, .image-preview { border: 1px solid var(--line); border-radius: 8px; margin: .4rem 0; }

/* ===== 관리자 목록/테이블 ===== */
.admin-list__head, .notices__head { display: flex; justify-content: space-between; align-items: center; margin: 1.2rem 0; }
.admin-table, .notices__table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td, .notices__table th, .notices__table td { text-align: left; padding: .7rem .5rem; border-bottom: 1px solid var(--line); font-size: .92rem; }
.admin-table th, .notices__table th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.admin-row-actions a, .admin-row-actions form { margin-right: .5rem; }
.reorder { display: inline-flex; gap: 3px; }
.reorder button { width: 28px; height: 26px; border: 1px solid var(--line); background: #fff; border-radius: 6px; cursor: pointer; line-height: 1; font-size: .9rem; color: var(--ink); }
.reorder button:hover { border-color: var(--teal); color: var(--teal); }
.order-cell { display: flex; align-items: center; gap: .5rem; }
.order-cell__num { color: var(--muted); min-width: 1.2em; text-align: center; }
.drag-handle { cursor: grab; color: #b7bfc0; font-size: 1.1rem; user-select: none; line-height: 1; }
.drag-handle:active { cursor: grabbing; }
table[data-reorder] tbody tr { transition: background .12s; }
table[data-reorder] tbody tr.dragging { opacity: .5; background: var(--soft); }
table[data-reorder] tbody tr:hover .drag-handle { color: var(--teal); }
.admin-table .slug, .article-list-item .slug { color: var(--muted); font-size: .8rem; }
.admin-menu { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .8rem; margin-top: 1.5rem; }
.admin-menu a { display: block; padding: 1.1rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; font-weight: 600; transition: border-color .15s; }
.admin-menu a:hover { border-color: var(--teal); }

/* ===== 관리자 대시보드 레이아웃 ===== */
.admin-body { background: var(--soft); }
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; width: 240px; z-index: 30;
    display: flex; flex-direction: column; background: #1b2426; color: #cfd6d6;
}
.admin-brand { display: flex; align-items: center; gap: .6rem; padding: 1.2rem 1.3rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.admin-brand__co { font-weight: 800; color: #fff; }
.admin-brand span { font-weight: 600; color: #9fb0b0; }
.admin-brand .admin-brand__co { color: #fff; }
.admin-nav { display: flex; flex-direction: column; padding: .8rem 0; gap: 2px; flex: 1; overflow-y: auto; }
.admin-nav a { display: flex; align-items: center; gap: .7rem; padding: .7rem 1.3rem; color: #b7c0c0; font-size: .93rem; }
.admin-nav a:hover { background: rgba(255,255,255,.05); color: #fff; }
.admin-nav a.is-active { background: var(--teal); color: #fff; font-weight: 600; }
.admin-nav__icon { width: 1.2em; text-align: center; opacity: .8; }
.admin-sidebar__foot { padding: 1rem 1.3rem; border-top: 1px solid rgba(255,255,255,.08); display: flex; flex-direction: column; gap: .6rem; }
.admin-sidebar__site { color: #b7c0c0; font-size: .88rem; }
.admin-sidebar__site:hover { color: #fff; }
.admin-sidebar__foot button { background: none; border: 1px solid rgba(255,255,255,.2); color: #cfd6d6; padding: .4rem .8rem; border-radius: 6px; cursor: pointer; font-size: .85rem; }
.admin-sidebar__foot button:hover { background: rgba(255,255,255,.08); }

.admin-main { flex: 1; margin-left: 240px; display: flex; flex-direction: column; min-width: 0; }
.admin-topbar { display: flex; align-items: center; gap: 1rem; height: 60px; padding: 0 clamp(16px,3vw,32px); background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.admin-topbar__title { font-size: 1.15rem; margin: 0; }
.admin-menu-toggle { display: none; background: none; border: 0; font-size: 1.3rem; cursor: pointer; }
.admin-content { padding: clamp(18px,3vw,32px); max-width: 1100px; width: 100%; }

/* 대시보드 통계 카드 */
.admin-hello { color: var(--muted); margin: 0 0 1.5rem; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1rem; }
.stat-card { display: flex; flex-direction: column; gap: .3rem; padding: 1.3rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .15s, transform .15s; }
.stat-card:hover { border-color: var(--teal); transform: translateY(-2px); }
.stat-card__count { font-size: 2rem; font-weight: 800; color: var(--teal); line-height: 1; }
.stat-card__label { color: var(--muted); font-size: .9rem; }
.admin-quick { margin-top: 2.5rem; }
.admin-quick h2 { font-size: 1.15rem; margin: 0 0 1rem; }
.admin-quick__links { display: flex; gap: .6rem; flex-wrap: wrap; }

/* 관리자 콘텐츠 안의 카드 컨테이너 */
.admin-content .admin-list, .admin-content .admin-form, .admin-content .notice-detail,
.admin-content > h1 { background: transparent; }
.admin-content .admin-table, .admin-content .notices__table { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.admin-content .admin-table th, .admin-content .notices__table th { background: #fafbfb; }
.admin-content .admin-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; max-width: 780px; }
.admin-content > h1 { font-size: 1.4rem; margin: 0 0 1.2rem; }

@media (max-width: 860px) {
    .admin-sidebar { transform: translateX(-100%); transition: transform .25s; }
    .admin-body.admin-nav-open .admin-sidebar { transform: translateX(0); }
    .admin-main { margin-left: 0; }
    .admin-menu-toggle { display: block; }
}

/* ===== 고객문의 게시판 ===== */
.status { display: inline-block; padding: .15rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.status--wait { background: #fff3cd; color: #9a6b00; }
.status--done { background: #e8f6f5; color: var(--teal-dark); }
.badge-pending { font-size: .85rem; font-weight: 600; color: #9a6b00; background: #fff3cd; padding: .1rem .6rem; border-radius: 999px; margin-left: .4rem; vertical-align: middle; }
table[data-reorder] tbody tr.is-pending td, .admin-table tbody tr.is-pending td { font-weight: 600; }
.inquiry-table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.inquiry-table th, .inquiry-table td { text-align: left; padding: .7rem 1rem; border-bottom: 1px solid var(--line); font-size: .93rem; }
.inquiry-table th { width: 120px; background: #fafbfb; color: var(--muted); font-weight: 600; }
.inquiry-message { margin-top: 1.5rem; }
.inquiry-message h2 { font-size: 1.1rem; margin: 0 0 .6rem; }
.inquiry-message__body { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; line-height: 1.7; }
.inquiry-reply { margin-top: 1.8rem; }
.inquiry-reply h2 { font-size: 1.1rem; margin: 0 0 .6rem; }
.reply-meta { font-size: .82rem; color: var(--muted); font-weight: 400; }
.inquiry-reply__saved { background: #e8f6f5; border: 1px solid #bfe3e1; border-radius: var(--radius); padding: 1rem 1.2rem; line-height: 1.7; margin-bottom: 1rem; }
.inquiry-reply__form textarea { width: 100%; padding: .8rem; border: 1px solid var(--line); border-radius: 8px; font: inherit; }
.inquiry-reply__form textarea:focus { outline: 2px solid var(--teal); outline-offset: -1px; border-color: var(--teal); }
.inquiry-reply__actions { display: flex; align-items: center; gap: 1rem; margin-top: .7rem; flex-wrap: wrap; }
.reply-sendmail { display: inline-flex; align-items: center; gap: .4rem; font-size: .9rem; color: var(--muted); }

/* ===== 공개 문의 게시판 ===== */
.board__head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.board__desc { color: var(--muted); font-size: .92rem; margin: 0; flex: 1 1 300px; }
.board-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); }
.board-table th, .board-table td { padding: .8rem .6rem; border-bottom: 1px solid var(--line); font-size: .93rem; }
.board-table th { color: var(--muted); font-size: .82rem; background: var(--soft); }
.board-table .col-no { width: 60px; text-align: center; color: var(--muted); }
.board-table .col-name { width: 110px; }
.board-table .col-date { width: 110px; color: var(--muted); }
.board-table .col-status { width: 70px; text-align: center; }
.board-title a { color: var(--ink); font-weight: 500; }
.board-title a:hover { color: var(--teal); text-decoration: underline; }
.board-title .lock { margin-right: .3rem; }
.board-detail { max-width: 820px; margin: 0 auto; }
.board-detail__head { border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); padding: 1.2rem 0; }
.board-detail__head h2 { font-size: 1.35rem; margin: 0 0 .5rem; }
.board-detail__meta { display: flex; gap: 1rem; align-items: center; color: var(--muted); font-size: .88rem; margin: 0; }
.board-detail__body { padding: 1.5rem 0; line-height: 1.8; border-bottom: 1px solid var(--line); }
.board-answer { background: var(--soft); border-radius: var(--radius); padding: 1.2rem 1.4rem; margin: 1.5rem 0; }
.board-answer h3 { margin: 0 0 .6rem; font-size: 1rem; color: var(--teal); }
.board-answer__body { line-height: 1.8; }
.board-locked { padding: 3rem 0; text-align: center; color: var(--muted); }
.contact-private { display: flex; align-items: flex-start; gap: .5rem; font-size: .88rem; color: var(--muted); background: var(--soft); padding: .8rem 1rem; border-radius: 8px; }
.contact-private input { margin-top: .2rem; }

/* ===== 로그인 ===== */
.admin-login { max-width: 360px; margin: 4rem auto; display: flex; flex-direction: column; gap: 1rem; }
.admin-login .error { color: #c0392b; }
.admin-login label { display: flex; flex-direction: column; gap: .4rem; }
.admin-login input { padding: .6rem .75rem; border: 1px solid var(--line); border-radius: 8px; }

/* ===== 블록 에디터 ===== */
.block-editor { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; background: var(--soft); }
.block-editor__toolbar { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.block-editor__toolbar button { padding: .45rem .85rem; border: 1px solid var(--line); border-radius: 6px; background: #fff; cursor: pointer; }
.block-editor__toolbar button:hover { border-color: var(--teal); color: var(--teal); }
.block-editor__list { display: flex; flex-direction: column; gap: .75rem; }
.block-card { border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.block-card__head { display: flex; justify-content: space-between; align-items: center; padding: .5rem .75rem; border-bottom: 1px solid var(--line); background: #fafbfb; }
.block-card__ctrl button { margin-left: .4rem; background: #fff; border: 1px solid var(--line); border-radius: 5px; cursor: pointer; padding: .1rem .5rem; }
.block-card__body { padding: .75rem; display: flex; flex-direction: column; gap: .5rem; }
.block-card__body input, .block-card__body textarea, .block-card__body select { padding: .5rem; border: 1px solid var(--line); border-radius: 6px; font: inherit; }
.list-item-row, .image-row-item { display: flex; gap: .5rem; align-items: center; margin-bottom: .4rem; }

/* ===== 워드형 리치 에디터 ===== */
.rte { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.rte__toolbar { display: flex; flex-wrap: wrap; gap: .3rem; padding: .5rem; background: #fafbfb; border-bottom: 1px solid var(--line); align-items: center; }
.rte__group { display: inline-flex; gap: 2px; padding-right: .4rem; margin-right: .2rem; border-right: 1px solid var(--line); }
.rte__group:last-child { border-right: 0; }
.rte__toolbar button { min-width: 30px; height: 30px; padding: 0 .5rem; border: 1px solid transparent; border-radius: 6px; background: #fff; cursor: pointer; font-size: .88rem; color: var(--ink); }
.rte__toolbar button:hover { border-color: var(--line); background: var(--soft); }
.rte__color { display: inline-flex; align-items: center; gap: 2px; height: 30px; padding: 0 .3rem; cursor: pointer; }
.rte__color input { width: 22px; height: 22px; border: 0; padding: 0; background: none; cursor: pointer; }
.rte__area { min-height: 320px; padding: 1.2rem; line-height: 1.7; outline: none; }
.rte__area:focus { background: #fff; }
.rte__area img { max-width: 100%; height: auto; border-radius: 6px; margin: .5rem 0; }
.rte__area h2 { font-size: 1.5rem; margin: 1rem 0 .5rem; }
.rte__area h3 { font-size: 1.2rem; margin: .8rem 0 .4rem; }
.rte__area blockquote { border-left: 3px solid var(--teal); padding-left: 1rem; color: var(--muted); margin: .8rem 0; }
.rte__area:empty::before { content: "여기에 내용을 입력하고, 툴바로 서식·이미지를 넣으세요."; color: #aaa; }

/* 공개 페이지의 리치 본문 표시 */
.rte-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 1rem 0; }
.rte-content h2 { font-size: 1.6rem; color: var(--blue); margin: 1.6rem 0 .6rem; }
.rte-content h3 { font-size: 1.25rem; margin: 1.2rem 0 .5rem; }
.rte-content blockquote { border-left: 3px solid var(--teal); padding-left: 1rem; color: var(--muted); font-style: italic; margin: 1rem 0; }
.rte-content p { margin: .8rem 0; }
.rte-content ul, .rte-content ol { padding-left: 1.4rem; }
.rte-content a { color: var(--teal); text-decoration: underline; }

/* ===== 푸터 ===== */
.footer-section { background: #1b2426; color: #cfd6d6; margin-top: 4rem; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem clamp(20px,5vw,40px); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; }
.footer-logo { height: 26px; filter: brightness(0) invert(1); opacity: .9; }
.footer-company { color: #fff; font-weight: 700; margin: .7rem 0 .3rem; font-size: 1rem; }
.footer-company span { color: #a9b2b2; font-weight: 400; font-size: .84rem; margin-left: .35rem; }
.footer-list { list-style: none; padding: 0; margin: 1rem 0; font-size: .88rem; line-height: 1.8; }
.footer-contact span { margin-left: .5rem; }
.footer-copy { font-size: .82rem; color: #8a9698; margin: .5rem 0 0; }
.footer-menu { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.footer-menu-group { display: flex; flex-direction: column; gap: .5rem; }
.footer-menu-title { font-weight: 700; color: #fff; margin-bottom: .2rem; }
.footer-submenu-link { font-size: .86rem; color: #a9b2b2; }
.footer-submenu-link:hover { color: #fff; }
.footer-logout button { background: none; border: 0; color: #a9b2b2; cursor: pointer; padding: 0; font-size: .86rem; }

/* ===== 페이지 배너 ===== */
.page-banner {
    max-width: none !important; margin: 0; padding: 0;
    height: 300px; display: flex; align-items: center;
    background-size: cover; background-position: center; position: relative; color: #fff;
}
.page-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(21,33,35,.78), rgba(21,33,35,.45)); }
.page-banner__inner { position: relative; max-width: var(--maxw); width: 100%; margin: 0 auto; padding: 0 clamp(20px,5vw,40px); }
.page-banner__kicker { color: #6fd0cd; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: .85rem; }
.page-banner__title { font-size: 2.4rem; font-weight: 800; margin: .4rem 0 0; }

/* ===== 회사소개/개발역량 공통 ===== */
.about-anchor { scroll-margin-top: calc(var(--header-h) + 12px); padding-top: 3rem; padding-bottom: 1rem; }
.section-eyebrow { color: var(--teal); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; font-size: .82rem; margin-bottom: .2rem; }

/* 보유기술 / 프로세스 카드 (좌우 배치) */
.competency-card, .process-item {
    display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center;
    margin: 2rem 0; padding: 1.5rem 0; border-bottom: 1px solid var(--line);
}
.competency-card.is-reversed .competency-copy, .process-item.is-reversed .competency-copy { order: 2; }
.competency-card img, .process-item img { border-radius: var(--radius); width: 100%; aspect-ratio: 4/3; object-fit: cover; background: var(--soft); }
.competency-copy h4 { font-size: 1.35rem; color: var(--blue); margin: 0 0 .6rem; }
.competency-copy p { color: var(--ink); margin: 0 0 .8rem; }
.competency-copy ul { margin: 0; padding-left: 1.1rem; color: var(--muted); }
.competency-copy li { margin: .25rem 0; }
@media (max-width: 760px) {
    .competency-card, .process-item { grid-template-columns: 1fr; gap: 1rem; }
    .competency-card.is-reversed .competency-copy, .process-item.is-reversed .competency-copy { order: 0; }
}

/* 오시는 길 */
.location-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1.5rem; align-items: stretch; }
.location-map iframe { width: 100%; height: 100%; min-height: 320px; border: 0; border-radius: var(--radius); }
.location-info { background: var(--soft); border-radius: var(--radius); padding: 1.5rem; }
.location-name { font-size: 1.5rem; font-weight: 800; margin-bottom: 1rem; }
.location-name span { color: var(--teal); }
.location-name .location-name__en { color: var(--muted); font-size: .8rem; font-weight: 500; margin-left: .3rem; }
.location-row { display: flex; gap: 1rem; padding: .4rem 0; border-bottom: 1px dashed var(--line); }
.location-label { min-width: 3em; color: var(--teal); font-weight: 700; }
@media (max-width: 760px) { .location-grid { grid-template-columns: 1fr; } }

/* 개발 인프라 */
.infra-copy { color: var(--muted); margin: .5rem 0 1.5rem; }
.infra-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 1.5rem; }
.infra-grid img { width: 100%; border-radius: var(--radius); object-fit: cover; }
@media (max-width: 760px) { .infra-grid { grid-template-columns: 1fr; } }

/* ===== 반응형: 모바일 네비 ===== */
@media (max-width: 860px) {
    .site-nav-toggle { display: block; }
    .site-nav {
        position: fixed; top: var(--header-h); left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--header-bg); padding: 0; margin: 0;
        max-height: 0; overflow: hidden; transition: max-height .25s;
    }
    .site-header.is-nav-open .site-nav { max-height: 80vh; overflow-y: auto; padding: .5rem 0; }
    .nav-tab { height: auto; padding: .8rem 1.5rem; }
    .nav-submenu { position: static; transform: none; opacity: 1; pointer-events: auto; background: #0f0f0f; min-width: 0; }
    .site-header.is-nav-open .site-header::before { bottom: -80vh; }
    .footer-inner { flex-direction: column; }
}