@charset "utf-8";

/* ============================================================
   ㈜명문공조 — 서브 페이지 스타일 (style.css 이후 로드)
   ============================================================ */

.skip { position: absolute; left: 0; top: -60px; z-index: 200;
        background: var(--navy-800); color: #fff; padding: 12px 20px;
        transition: top .2s var(--ease); }
.skip:focus { top: 0; }

/* ---------- 서브비주얼 · 브레드크럼 · 탭 ---------- */
.subvisual {
  position: relative; overflow: hidden;
  border-bottom: 1px solid rgba(127,184,232,.35);
  min-height: clamp(230px, 27vw, 330px);
  display: flex; align-items: center; text-align: center;
  background:
    radial-gradient(760px 320px at 82% -20%, rgba(37, 72, 128, .55), transparent 62%),
    radial-gradient(620px 300px at 12% 130%, rgba(23, 52, 96, .5), transparent 62%),
    #0a1526;
  color: #c3d2e2;
}
.subvisual__grid {
  position: absolute; inset: auto 0 0 0; height: 58%;
  background:
    repeating-linear-gradient(90deg, rgba(127,184,232,.05) 0 1px, transparent 1px 86px),
    repeating-linear-gradient(0deg,  rgba(127,184,232,.045) 0 1px, transparent 1px 58px);
  transform: perspective(520px) rotateX(56deg) scale(1.6);
  transform-origin: 50% 100%;
  mask-image: linear-gradient(transparent, #000 50%);
  -webkit-mask-image: linear-gradient(transparent, #000 50%);
  pointer-events: none;
}
.subvisual .wrap { position: relative; z-index: 1; }
.subvisual__eyebrow {
  font-size: 12.5px; font-weight: 700; letter-spacing: .32em;
  text-transform: uppercase; color: #7fb8e8; margin-bottom: 14px;
}
.subvisual__title {
  font-size: clamp(28px, 4.2vw, 46px); font-weight: 800;
  letter-spacing: -.03em; color: #f2f7fc;
  text-shadow: 0 0 26px rgba(127,184,232,.35), 0 0 70px rgba(127,184,232,.14);
}
.subvisual__lead { margin-top: 14px; font-size: clamp(15px, 1.6vw, 17px);
                   color: rgba(214, 228, 240, .82); line-height: 1.75; }

/* EHS 섹션은 틸 액센트 */
.subvisual--ehs {
  background:
    radial-gradient(760px 320px at 82% -20%, rgba(18, 94, 84, .5), transparent 62%),
    radial-gradient(620px 300px at 12% 130%, rgba(23, 52, 96, .45), transparent 62%),
    #0a1526;
}
.subvisual--ehs .subvisual__eyebrow { color: #4fd8c4; }
.subvisual--ehs .subvisual__title {
  text-shadow: 0 0 26px rgba(79,216,196,.32), 0 0 70px rgba(79,216,196,.12);
}

.crumb { border-bottom: 1px solid var(--ink-100); background: var(--white); }
.crumb__inner { display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
                justify-content: flex-end; padding-block: 16px;
                font-size: 13px; color: var(--ink-500); }
.crumb__inner i { font-style: normal; opacity: .6; }
.crumb__inner [aria-current] { color: var(--ink-900); font-weight: 700; }

.tabs { border-bottom: 1px solid var(--ink-100); background: var(--white); }
.tabs__inner { display: flex; overflow-x: auto; scrollbar-width: none; }
.tabs__inner::-webkit-scrollbar { display: none; }
.tab {
  flex: 0 0 auto; text-align: center; white-space: nowrap;
  padding: 16px 20px; font-size: 15px; font-weight: 700; color: var(--ink-500);
  border-bottom: 2px solid transparent; transition: all .2s var(--ease);
}
.tab:hover { color: var(--navy-800); background: var(--ink-50); }
.tab.is-on { color: var(--navy-600); border-bottom-color: var(--navy-600); background: var(--sky-100); }

/* ---------- 본문 조판 ---------- */
.prose { max-width: 780px; }
.prose p { margin-top: 18px; font-size: 16px; line-height: 1.95; color: var(--ink-700); }
.prose p:first-child { margin-top: 0; }
.prose strong { color: var(--ink-900); font-weight: 700; }
.prose .lead { font-size: clamp(18px, 2vw, 22px); font-weight: 700; line-height: 1.65;
               color: var(--ink-900); letter-spacing: -.02em; }
.sign { margin-top: 40px; font-size: 16px; color: var(--ink-500); }
.sign b { display: block; margin-top: 6px; font-size: 20px; font-weight: 800;
          color: var(--ink-900); letter-spacing: -.01em; }

/* ---------- 2단 배치 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.split--wideL { grid-template-columns: 1.25fr 1fr; }
.split__media img { width: 100%; border-radius: var(--radius); }

/* ---------- 특징 카드 ---------- */
.feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.feats--2 { grid-template-columns: repeat(2, 1fr); }   /* 카드 4장 → 2×2 (하츠 제품군) */
.feat { padding: 32px 28px; background: var(--white); border: 1px solid var(--ink-100); border-radius: var(--radius); }
.feat__ico { width: 44px; height: 44px; border-radius: 50%; background: var(--sky-100);
             color: var(--navy-800); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.feat__ico svg { width: 22px; height: 22px; }
.feat h3 { font-size: 18px; font-weight: 800; letter-spacing: -.02em; }
.feat p { margin-top: 10px; font-size: 15px; color: var(--ink-500); line-height: 1.75; }
/* 특징 카드 변형 — 제목 부제, 카드 안 불릿 목록, 아이콘 대신 작은 사진 (가정용 EHS) */
.feat h3 small { display: block; margin-top: 4px; font-size: 13px; font-weight: 700; letter-spacing: 0; color: var(--ink-500); }
.feat__list { margin-top: 14px; display: grid; gap: 7px; }
.feat__list li { position: relative; padding-left: 15px; font-size: 14px; color: var(--ink-500); line-height: 1.7; }
.feat__list li::before { content: ""; position: absolute; left: 0; top: 10px; width: 5px; height: 5px; border-radius: 50%; background: var(--ink-200); }
.feat__fig { width: 64px; height: 64px; margin-bottom: 18px; border-radius: 50%; overflow: hidden; background: var(--ink-50); }
.feat__fig img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ---------- 허브 카드 ---------- */
.hub { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 48px; }
.hub-card { display: flex; gap: 24px; align-items: center; padding: 28px;
            background: var(--white); border: 1px solid var(--ink-100); border-radius: var(--radius);
            transition: all .3s var(--ease); }
.hub-card:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.hub-card__media { flex: none; width: 140px; aspect-ratio: 1; border-radius: var(--radius);
                   overflow: hidden; background: var(--ink-100); }
.hub-card__media img { width: 100%; height: 100%; object-fit: cover; }
.hub-card__media--ico {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, #0f2c5c, #0a1526);
  color: #7fb8e8;
}
.hub-card__media--ico svg { width: 54px; height: 54px; }
.hub-card:hover .hub-card__media--ico { color: #9cc8ef; }
.hub-card h3 { font-size: 19px; font-weight: 800; letter-spacing: -.02em; }
.hub-card p { margin-top: 8px; font-size: 15px; color: var(--ink-500); line-height: 1.7; }
.hub-card__more { margin-top: 14px; display: inline-flex; align-items: center; gap: 7px;
                  font-size: 14px; font-weight: 700; color: var(--navy-800); }
.hub-card__more svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.hub-card:hover .hub-card__more svg { transform: translateX(4px); }

/* ---------- 인증현황 ---------- */
.certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 48px; }
.cert { border: 1px solid var(--ink-100); border-radius: var(--radius); overflow: hidden; background: var(--white);
        /* 메인 자격 카드 → #cert-… 앵커로 들어올 때 고정 헤더에 가리지 않게 */
        scroll-margin-top: calc(var(--header-h) + 16px); }
.cert__img { background: var(--ink-50); padding: 20px; }
.cert__img img { width: 100%; box-shadow: var(--shadow-sm); }

/* 인증서 확대보기 — 이미지를 원본 링크로 감싼다. JS 가 없으면 원본 파일이 그대로 열린다. */
.cert__zoom { display: block; position: relative; cursor: zoom-in; }
.cert__zoom::after {
  content: "크게 보기"; position: absolute; right: 10px; bottom: 10px;
  padding: 4px 10px; border-radius: 100px;
  background: var(--white); border: 1px solid var(--ink-200);
  font-size: 12px; font-weight: 700; color: var(--ink-500); line-height: 1.5;
}
.cert__zoom:hover::after { border-color: var(--navy-800); color: var(--navy-800); }
.lightbox {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center;
  padding: 24px; background: rgba(10, 21, 38, .9);
}
.lightbox[hidden] { display: none; }
.lightbox img {
  max-width: 100%; max-height: calc(100vh - 48px); width: auto; height: auto;
  border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-lg);
}
.lightbox__close {
  position: absolute; top: 16px; right: 16px; width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .12); color: #fff; font-size: 26px; line-height: 1;
}
.lightbox__close:hover { background: rgba(255, 255, 255, .24); }
.lightbox__open {
  position: absolute; left: 16px; bottom: 16px;
  font-size: 13px; color: rgba(255, 255, 255, .75); text-decoration: underline;
}
.lightbox :focus-visible { outline: 2px solid #7fb8e8; outline-offset: 3px; }
.has-lightbox { overflow: hidden; }
.cert__body { padding: 22px 24px 26px; border-top: 1px solid var(--ink-100); }
.cert__body h3 { font-size: 17px; font-weight: 800; letter-spacing: -.02em; }
.cert__meta { margin-top: 12px; display: grid; gap: 6px; font-size: 14px; }
.cert__meta > div { display: flex; gap: 10px; }
.cert__meta dt { flex: none; width: 76px; color: var(--ink-500); }
.cert__note { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--ink-100);
              font-size: 13px; color: var(--ink-500); line-height: 1.7; }
.cert__meta dd { margin: 0; color: var(--ink-700); }

.notice-box { margin-top: 40px; padding: 24px 26px; border-radius: var(--radius);
              background: var(--sky-100); border: 1px solid #cfe4f5; }
.notice-box h3 { font-size: 16px; font-weight: 800; color: var(--navy-800); }
.notice-box p { margin-top: 8px; font-size: 15px; color: var(--ink-700); line-height: 1.75; }

/* ---------- 정보 테이블 ---------- */
.dtable { margin-top: 36px; width: 100%; border-top: 2px solid var(--navy-800); border-collapse: collapse; }
.dtable th, .dtable td { padding: 18px 20px; border-bottom: 1px solid var(--ink-100);
                         font-size: 15px; text-align: left; vertical-align: top; }
.dtable th { width: 180px; background: var(--ink-50); font-weight: 700; color: var(--ink-700); }
.dtable td { color: var(--ink-700); }

/* ---------- 다이어그램 figure · 보조 목록 · 표 각주 · 인라인 밴드 (환기 상세 HTML 전환, 2026-09) ----------
   sub.css 의 「정보 테이블」 블록(.dtable td { … }) 바로 아래에 붙인다.
   새 색 없음 — 기존 토큰(--ink-100/500/700/900, --navy-800, --radius)만 사용. */
.diagram { margin-top: 48px; }
.diagram img { width: 100%; height: auto; border-radius: var(--radius);
               border: 1px solid var(--ink-100); background: var(--white); }
.diagram figcaption { margin-top: 12px; font-size: 13.5px; color: var(--ink-500);
                      text-align: center; line-height: 1.7; }

/* .split 은 상단 여백이 없다 — 섹션 헤드 아래에 둘 때 쓰는 변형 */
.split--mt { margin-top: 48px; }
/* 흰 바탕 다이어그램을 틴트 섹션에 올릴 때 경계를 준다 */
.split__media--diagram img { border: 1px solid var(--ink-100); background: var(--white); }

/* 용어 · 항목 목록 (키 + 설명 한 줄) */
.keylist { display: grid; gap: 0; }
.keylist li { display: flex; gap: 14px; align-items: baseline; padding: 13px 0;
              border-bottom: 1px solid var(--ink-100);
              font-size: 15px; line-height: 1.75; color: var(--ink-700); }
.keylist li:first-child { padding-top: 0; }
.keylist li:last-child { border-bottom: 0; padding-bottom: 0; }
.keylist b { flex: none; width: 118px; font-weight: 700; color: var(--ink-900); }
.keylist span { flex: 1; min-width: 0; }

/* 표 아래 각주 */
.dtable-note { margin-top: 14px; font-size: 13px; color: var(--ink-500); line-height: 1.8; }
.dtable-note a { text-decoration: underline; color: var(--navy-800); font-weight: 700; }

/* .wrap 안에 두는 21/9 밴드 (풀블리드 .band 의 인라인 변형 — 인라인 style 대신 클래스) */
.band--vent { margin: 48px 0 0; border-radius: var(--radius); aspect-ratio: 21/9; }

@media (max-width: 620px) {
  .keylist b { width: 96px; }
  .diagram { margin-top: 36px; }
  .split--mt { margin-top: 36px; }
  .band--vent { margin-top: 36px; }
}

.map-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

/* ---------- 시공사례 필터 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.filter { padding: 10px 20px; border: 1px solid var(--ink-200); border-radius: 100px;
          font-size: 14px; font-weight: 700; color: var(--ink-500); transition: all .2s var(--ease); }
.filter:hover { border-color: var(--navy-800); color: var(--navy-800); }
.filter.is-on { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }
.work.is-hidden { display: none; }

/* ---------- 준비중 / 빈 상태 ---------- */
.empty { margin-top: 40px; padding: clamp(48px, 8vw, 88px) 24px; text-align: center;
         border: 1px dashed var(--ink-200); border-radius: var(--radius); background: var(--ink-50); }
.empty__ico { width: 56px; height: 56px; margin: 0 auto 20px; border-radius: 50%;
              background: var(--white); border: 1px solid var(--ink-200);
              display: flex; align-items: center; justify-content: center; color: var(--ink-500); }
.empty__ico svg { width: 26px; height: 26px; }
.empty h3 { font-size: 19px; font-weight: 800; letter-spacing: -.02em; }
.empty p { margin-top: 10px; font-size: 15px; color: var(--ink-500); line-height: 1.75; }
.empty .btn { margin-top: 26px; }

/* ---------- 폼 ---------- */
.form { margin-top: 44px; max-width: 820px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 8px; color: var(--ink-700); }
.field label .req { color: #d64545; margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 16px; font: inherit; font-size: 15px;
  color: var(--ink-900); background: var(--white);
  border: 1px solid var(--ink-200); border-radius: var(--radius);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 160px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--navy-600); box-shadow: 0 0 0 3px rgba(29,84,166,.12);
}
.field__hint { margin-top: 7px; font-size: 13px; color: var(--ink-500); }
.consent { display: flex; gap: 12px; align-items: flex-start; padding: 20px;
           background: var(--ink-50); border: 1px solid var(--ink-100); border-radius: var(--radius); }
.consent input { flex: none; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--navy-800); }
.consent label { font-size: 14px; font-weight: 500; color: var(--ink-700); line-height: 1.7; margin: 0; }
.consent a { text-decoration: underline; color: var(--navy-800); font-weight: 700; }
.formgroup {
  margin: 44px 0 22px; padding-bottom: 12px;
  font-size: 16px; font-weight: 800; letter-spacing: -.02em; color: var(--ink-900);
  border-bottom: 2px solid var(--ink-100);
}
.formgroup:first-child { margin-top: 0; }
.form__submit { margin-top: 28px; }
.form__note { margin-top: 18px; font-size: 13px; color: var(--ink-500); line-height: 1.8; }
.form__status { margin-top: 18px; padding: 14px 18px; border-radius: var(--radius); font-size: 15px; display: none; }
.form__status.is-ok { display: block; background: #e8f5ec; border: 1px solid #bfe0c9; color: #1c6b35; }
.form__status.is-err { display: block; background: #fdecec; border: 1px solid #f4c4c4; color: #a52020; }

/* ---------- 연락 카드 ---------- */
.contact-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(216px, 1fr)); gap: 20px; margin-top: 44px; }
.ccard { padding: 30px 26px; border: 1px solid var(--ink-100); border-radius: var(--radius); background: var(--white); }
.ccard__label { font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--sky-500); text-transform: uppercase; }
.ccard__value { margin-top: 10px; font-size: 21px; font-weight: 800; letter-spacing: -.02em; color: var(--navy-800); }
.ccard__sub { margin-top: 8px; font-size: 14px; color: var(--ink-500); line-height: 1.7; }

/* ---------- 약관 ---------- */
.legal { max-width: 860px; }
.legal h2 { margin-top: 44px; font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.legal h2:first-of-type { margin-top: 0; }
.legal h3 { margin-top: 26px; font-size: 16px; font-weight: 700; color: var(--ink-900); }
.legal p, .legal li { margin-top: 12px; font-size: 15px; line-height: 1.9; color: var(--ink-700); }
.legal ul, .legal ol { margin-top: 8px; padding-left: 20px; }
.legal ul li { list-style: disc; }
.legal ol li { list-style: decimal; }
.legal .updated { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--ink-100);
                  font-size: 14px; color: var(--ink-500); }

/* ---------- 반응형 ---------- */
@media (max-width: 1080px) {
  .certs { grid-template-columns: repeat(2, 1fr); }
  .contact-cards { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .feats { grid-template-columns: 1fr; }
  .hub { grid-template-columns: 1fr; }
  .split, .split--wideL { grid-template-columns: 1fr; }
  .split__media { order: -1; }
  .tab { flex: 0 0 auto; padding: 15px 20px; font-size: 14px; }
  .crumb__inner { justify-content: flex-start; }
}
@media (max-width: 620px) {
  .certs { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .hub-card { flex-direction: column; align-items: flex-start; }
  .hub-card__media { width: 100%; aspect-ratio: 16/9; }
  .dtable th { width: 108px; padding: 14px 12px; }
  .dtable td { padding: 14px 12px; }
}

/* ============================================================
   조직도
   ============================================================ */
.org { margin-top: 52px; }
.org__top { display: flex; justify-content: center; position: relative; padding-bottom: 34px; }
.org__top::after {
  content: ""; position: absolute; left: 50%; bottom: 0;
  width: 2px; height: 34px; background: var(--ink-200); transform: translateX(-50%);
}
.org__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  position: relative; padding-top: 34px;
}
.org__grid::before {
  content: ""; position: absolute; top: 0; left: 16.66%; right: 16.66%;
  height: 2px; background: var(--ink-200);
}
.org-branch { position: relative; }
.org-branch::before {
  content: ""; position: absolute; top: -34px; left: 50%;
  width: 2px; height: 34px; background: var(--ink-200); transform: translateX(-50%);
}
.org-node {
  background: var(--white); border: 1px solid var(--ink-100);
  border-radius: var(--radius); overflow: hidden;
  border-top: 3px solid var(--navy-800);
  padding: 24px 22px 22px; text-align: center;
}
.org-node--head { min-width: 240px; padding-block: 26px; }
.org-node--rnd { border-top-color: var(--ehs-600); }
.org-node__role {
  display: block; font-size: 17px; font-weight: 800;
  letter-spacing: -.02em; color: var(--navy-800);
}
.org-node--rnd .org-node__role { color: var(--ehs-700); }
.org-node__name {
  display: block; margin-top: 8px; font-size: 20px; font-weight: 800;
  color: var(--ink-900); letter-spacing: .06em;
}
.org-node__task { margin-top: 14px; display: grid; gap: 7px; text-align: left; }
.org-node__task li {
  position: relative; padding-left: 14px;
  font-size: 14px; color: var(--ink-500); line-height: 1.65;
}
.org-node__task li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 4px; height: 4px; border-radius: 50%; background: var(--ink-500);
}

@media (max-width: 900px) {
  .org__grid { grid-template-columns: 1fr; gap: 16px; padding-top: 0; }
  .org__grid::before { display: none; }
  .org-branch::before { display: none; }
  .org__top { padding-bottom: 20px; }
  .org__top::after { height: 20px; }
  .org-node__task { text-align: center; }
  .org-node__task li { padding-left: 0; }
  .org-node__task li::before { display: none; }
}

/* ---------- 모바일 하단 고정 CTA ---------- */
.mcta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  display: none; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 10px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(10, 21, 38, .96);
  backdrop-filter: saturate(140%) blur(12px);
  border-top: 1px solid rgba(127, 184, 232, .25);
}
.mcta a {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; border-radius: 8px;
  font-size: 15px; font-weight: 800; letter-spacing: -.01em;
  min-width: 0;
}
.mcta svg { width: 18px; height: 18px; }
.mcta__tel { background: rgba(127, 184, 232, .14); color: #cfe4f6; border: 1px solid rgba(127,184,232,.4); }
.mcta__quote { background: #7fb8e8; color: #0a1526; }
@media (max-width: 768px) {
  .mcta { display: grid; transition: transform .25s var(--ease); }
  body { padding-bottom: 74px; }
  /* 포커스 이동·앵커 스크롤이 고정 바 아래로 들어가지 않게 */
  html { scroll-padding-bottom: 96px; }
  /* 폼 입력 중(.is-typing, page.js)에는 바를 내려 키보드 위 입력란을 가리지 않게 한다 */
  .is-typing .mcta { transform: translateY(110%); }
}

/* ---------- 공지사항 목록 ---------- */
.nlist { margin-top: 40px; display: grid; gap: 16px; max-width: 860px; }
.notice {
  padding: 26px 28px; background: var(--white);
  border: 1px solid var(--ink-100); border-radius: var(--radius);
}
.notice__date { font-size: 13px; font-weight: 700; color: var(--navy-600); letter-spacing: .04em; }
.notice h3 { margin-top: 8px; font-size: 18px; font-weight: 800; letter-spacing: -.02em; }
.notice p { margin-top: 10px; font-size: 15px; color: var(--ink-700); line-height: 1.8; }
.notice p + p { margin-top: 6px; }

/* ---------- 연혁 타임라인 ---------- */
.tline { position: relative; max-width: 720px; margin: 48px auto 0; padding-left: 34px; }
.tline::before {
  content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--sky-400), var(--navy-600));
}
.tline__item { position: relative; padding-bottom: 34px; }
.tline__item:last-child { padding-bottom: 0; }
.tline__item::before {
  content: ""; position: absolute; left: -31px; top: 5px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--navy-600);
}
.tline__year { font-size: 14px; font-weight: 800; color: var(--navy-600); letter-spacing: .04em; }
.tline__item b { display: block; margin-top: 4px; font-size: 17px; font-weight: 800; letter-spacing: -.01em; }
.tline__item span { display: block; margin-top: 4px; font-size: 14.5px; color: var(--ink-500); line-height: 1.7; }

/* ---------- FAQ 아코디언 ---------- */
.faq { max-width: 860px; margin: 40px auto 0; display: grid; gap: 12px; }
.faq details {
  background: var(--white); border: 1px solid var(--ink-100); border-radius: var(--radius);
}
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 24px;
  font-size: 16px; font-weight: 700; letter-spacing: -.01em;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 22px; font-weight: 400; color: var(--navy-600); flex: none;
  transition: transform .2s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p {
  padding: 0 24px 22px; font-size: 15px; color: var(--ink-700); line-height: 1.85;
}

/* ---------- 지도 임베드 ---------- */
.map-embed {
  margin-top: 40px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--ink-100); background: var(--ink-50);
}
.map-embed iframe { display: block; width: 100%; height: 420px; border: 0; }
@media (max-width: 620px) { .map-embed iframe { height: 300px; } }

/* 허니팟 — 사람 눈에는 안 보이고 봇만 채우는 칸. 채워져 오면 스팸으로 버린다. */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- 메인 R&D 계통도 모바일 대체 ---------- */
.rnd-steps { display: none; list-style: none; margin: 4px 0 0; padding: 0; gap: 8px; }
.rnd-steps li { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 12px 14px; background: var(--white); border: 1px solid var(--ink-200); border-radius: var(--radius); }
.rnd-steps b { font-size: 15px; color: var(--navy-800); }
.rnd-steps span { font-size: 13px; color: var(--ink-500); }
.rnd-note { margin-top: 14px; font-size: 14px; line-height: 1.75; color: var(--ink-700); }
.rnd-note strong { color: var(--navy-800); }
@media (max-width: 900px) { .rnd-svg { display: none; } .rnd-steps { display: grid; } }

/* ---------- 바닥난방·급탕 (service-heating) ---------- */
/* 흰 바탕 렌더를 틴트 섹션에 얹을 때 카드로 보이게 한다 */
.split__media--card { background: var(--white); border: 1px solid var(--ink-100); border-radius: var(--radius); overflow: hidden; }
.split__media--card img { border-radius: 0; }

/* 특징 카드의 핵심 숫자 — 포인트색은 숫자에만. `.feat p` 보다 우선하도록 두 클래스로 */
.feat .feat__num { margin-top: 12px; font-size: 24px; font-weight: 800; letter-spacing: -.02em;
                   color: var(--navy-800); font-variant-numeric: tabular-nums; line-height: 1.2; }
.feat .feat__num + p { margin-top: 8px; }

/* 시스템 구성도 — 다크 선화 + 흰 캡션 카드 */
.diags { margin-top: 48px; display: grid; gap: 28px; }
.diag { margin: 0; background: var(--white); border: 1px solid var(--ink-100);
        border-radius: var(--radius); overflow: hidden; }
.diag img { display: block; width: 100%; height: auto; }
.diag__cap { display: grid; grid-template-columns: 150px 1fr; gap: 6px 24px; align-items: baseline;
             padding: 20px 24px 22px; }
.diag__cap b { font-size: 18px; font-weight: 800; letter-spacing: -.02em; color: var(--ink-900); }
.diag__flow { font-size: 15px; font-weight: 700; color: var(--navy-800); line-height: 1.7; }
.diag__note { grid-column: 2; font-size: 14px; color: var(--ink-500); line-height: 1.75; }
@media (max-width: 620px) {
  .diag__cap { grid-template-columns: 1fr; gap: 4px; padding: 16px 18px 18px; }
  .diag__note { grid-column: auto; }
}

/* ---------- 공지 본문 링크 ----------
   본문이 /data/notices.json 에서 그려지면서 인라인 style 을 쓸 수 없다.
   밑줄은 여기서 준다. */
.notice a { text-decoration: underline; }

/* 공지를 불러오지 못했을 때. [hidden] 이 먹어야 하므로 display 는 지정하지 않는다. */
.nfail {
  margin-top: 40px; max-width: 860px; padding: 22px 24px;
  border: 1px solid var(--ink-100); border-radius: var(--radius);
  background: var(--white);
  font-size: 15px; color: var(--ink-700); line-height: 1.8;
}
.nfail a { margin-left: 6px; color: var(--navy-800); font-weight: 700; text-decoration: underline; }