@charset "utf-8";
/* ============================================================
   페이지별 스타일
   공통(헤더·푸터·버튼 등)은 common.css 에 있습니다.
   ============================================================ */

/* ------------------------------------------------------------
   메인 비주얼
   ------------------------------------------------------------ */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 640px;
  padding-block: 90px;
  background: var(--navy);
  color: #fff;
  overflow: hidden;
}
/* 배경 그라데이션 (로고의 초록→파랑 흐름) */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 520px at 78% 18%, rgba(41, 171, 226, .42), transparent 62%),
    radial-gradient(760px 480px at 12% 86%, rgba(91, 185, 71, .34), transparent 64%);
}
.hero__inner { position: relative; }

.hero__brand {
  display: inline-block;
  padding: 7px 18px;
  margin-bottom: 26px;
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .04em;
}
.hero__title {
  font-size: 60px;
  line-height: 1.26;
  letter-spacing: -.03em;
}
.hero__title strong {
  background: linear-gradient(135deg, var(--green-light), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__desc {
  margin-top: 26px;
  font-size: 19px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .8);
}
.hero__btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 44px; }

/* 어두운 배경 위의 라인 버튼 */
.btn--on-dark { border-color: rgba(255, 255, 255, .38); color: #fff; }
.btn--on-dark:hover { border-color: #fff; color: #fff; background: rgba(255, 255, 255, .1); }

/* ------------------------------------------------------------
   핵심 지표
   ------------------------------------------------------------ */
.metric { border-bottom: 1px solid var(--line); }
.metric__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.metric__item {
  padding: 46px 20px;
  text-align: center;
  border-left: 1px solid var(--line);
}
.metric__item:first-child { border-left: 0; }
.metric__num {
  display: block;
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -.03em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.metric__num span { font-size: 22px; }
.metric__label { margin-top: 8px; font-size: 15px; color: var(--ink-sub); }
.metric__label em { font-style: normal; color: var(--ink-mute); font-size: 13px; }

/* ------------------------------------------------------------
   카드 (왜 물리적 차단인가)
   ------------------------------------------------------------ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  padding: 40px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: 0 18px 40px rgba(22, 50, 74, .1);
}
.card__no {
  display: block;
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .1em;
  color: var(--green);
}
.card__title { font-size: 22px; margin-bottom: 14px; letter-spacing: -.02em; }
.card__text { font-size: 15.5px; color: var(--ink-sub); }
.card__text b { color: var(--ink); font-weight: 700; }

.card--accent { background: var(--bg-soft); border-color: transparent; }

/* ------------------------------------------------------------
   임팩트 배너
   ------------------------------------------------------------ */
.impact {
  padding-block: 86px;
  background: var(--navy) var(--grad);
  color: #fff;
  text-align: center;
}
.impact__text { font-size: 30px; font-weight: 600; line-height: 1.55; letter-spacing: -.02em; }
.impact__text strong { font-size: 40px; font-weight: 800; }

/* ------------------------------------------------------------
   사업영역
   ------------------------------------------------------------ */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.biz {
  display: block;
  padding: 40px 36px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.biz:hover {
  transform: translateY(-5px);
  border-color: var(--green);
  box-shadow: 0 16px 36px rgba(22, 50, 74, .1);
}
.biz__no {
  display: block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--blue);
  margin-bottom: 12px;
}
.biz__title { font-size: 23px; letter-spacing: -.02em; }
.biz__en { margin-top: 5px; font-size: 14px; color: var(--ink-mute); font-weight: 500; }
.biz__text { margin-top: 16px; font-size: 15.5px; color: var(--ink-sub); }

/* ------------------------------------------------------------
   제품 라인업
   ------------------------------------------------------------ */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.prod {
  padding: 32px 24px;
  text-align: center;
  background: var(--bg-soft);
  border-radius: var(--radius);
  transition: background .25s, transform .25s;
}
.prod:hover { background: #eef5f1; transform: translateY(-4px); }
.prod b { display: block; font-size: 19px; letter-spacing: -.01em; }
.prod span { display: block; margin-top: 8px; font-size: 14px; color: var(--ink-sub); }

.center-btn { margin-top: 48px; text-align: center; }

/* ------------------------------------------------------------
   문의 CTA
   ------------------------------------------------------------ */
.cta { padding-block: 80px; background: var(--bg-soft); }
.cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.cta__title { font-size: 32px; letter-spacing: -.02em; }
.cta__desc { margin-top: 10px; font-size: 16.5px; color: var(--ink-sub); }

/* ------------------------------------------------------------
   서브페이지 본문 공통
   ------------------------------------------------------------ */
.prose { font-size: 16.5px; color: var(--ink-sub); }
.prose h3 { margin: 48px 0 16px; font-size: 24px; color: var(--ink); letter-spacing: -.02em; }
.prose h3:first-child { margin-top: 0; }
.prose h4 { margin: 32px 0 12px; font-size: 18px; color: var(--ink); }
.prose p + p { margin-top: 14px; }
.prose b, .prose strong { color: var(--ink); }

/* 글머리 목록 */
.list-dot li {
  position: relative;
  padding-left: 18px;
  margin-top: 10px;
  font-size: 16px;
  color: var(--ink-sub);
}
.list-dot li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
}

/* 연혁 */
.history { position: relative; padding-left: 28px; }
.history::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--line);
}
.history__item { position: relative; padding-bottom: 42px; }
.history__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 0 4px #fff;
}
.history__year {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.history__desc { margin-top: 8px; font-size: 16px; color: var(--ink-sub); }

/* 게시판 목록 */
.board-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); }
.board-table th, .board-table td {
  padding: 18px 12px;
  font-size: 15.5px;
  border-bottom: 1px solid var(--line);
}
.board-table th { font-weight: 600; color: var(--ink-sub); background: var(--bg-soft); }
.board-table td { color: var(--ink-sub); text-align: center; }
.board-table td.subject { text-align: left; color: var(--ink); }
.board-table td.subject a:hover { color: var(--green); text-decoration: underline; }
.board-empty { padding: 70px 0; text-align: center; color: var(--ink-mute); }

/* 문의 폼 */
.form-row { display: grid; grid-template-columns: 160px 1fr; gap: 0; border-bottom: 1px solid var(--line); }
.form-row:first-of-type { border-top: 2px solid var(--ink); }
.form-row > label {
  display: flex;
  align-items: center;
  padding: 18px 20px;
  background: var(--bg-soft);
  font-size: 15.5px;
  font-weight: 600;
}
.form-row > label .req { color: #e2574c; margin-left: 4px; }
.form-row > div { padding: 12px 18px; }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: inherit;
  font-size: 15.5px;
  color: var(--ink);
}
.form-row textarea { min-height: 180px; resize: vertical; }
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(91, 185, 71, .14);
}
.form-agree { margin-top: 24px; font-size: 15px; color: var(--ink-sub); }

/* 2단 레이아웃 (텍스트 + 이미지) */
.cols2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

/* 이미지 자리 표시 (실제 사진으로 교체하세요) */
.img-ph {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--ink-mute);
  font-size: 14px;
}

/* ------------------------------------------------------------
   반응형
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  .hero { min-height: 0; }
  .hero__title { font-size: 40px; }
  .hero__desc { font-size: 17px; }

  .metric__list { grid-template-columns: repeat(2, 1fr); }
  .metric__item:nth-child(3) { border-left: 0; }
  .metric__item:nth-child(n+3) { border-top: 1px solid var(--line); }

  .card-grid { grid-template-columns: 1fr; }
  .biz-grid  { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }

  .impact__text { font-size: 23px; }
  .impact__text strong { font-size: 30px; }

  .cols2 { grid-template-columns: 1fr; gap: 32px; }
  .form-row { grid-template-columns: 1fr; }
  .form-row > label { padding: 14px 16px; }
}

@media (max-width: 600px) {
  .hero__title { font-size: 31px; }
  .hero__btns .btn { flex: 1 1 100%; justify-content: center; }
  .metric__num { font-size: 36px; }
  .card { padding: 30px 24px; }
  .biz { padding: 30px 24px; }
  .cta__title { font-size: 25px; }

  /* 게시판은 좁은 화면에서 번호·조회수 숨김 */
  .board-table th:nth-child(1), .board-table td:nth-child(1),
  .board-table th:nth-child(4), .board-table td:nth-child(4) { display: none; }
}