/* ============================================================
   Company Overview — Page Specific
   ============================================================ */

/* --- 공통 섹션 래퍼 --- */
.wd-co-section {
  padding: 120px 0;
}

.wd-co-section--gray {
  background: var(--wd-surface-light);
}

.wd-co-section__inner {
  max-width: var(--wd-container-content);
  margin: 0 auto;
  padding: 0 var(--wd-container-padding);
}


/* ============================================================
   ② About Us 인트로
   ============================================================ */
.wd-co-intro {
  padding: 80px 0 120px;
}

.wd-co-intro__inner {
  max-width: var(--wd-container-content);
  margin: 0 auto;
  padding: 0 var(--wd-container-padding);
}

.wd-co-intro__label {
  font-family: var(--wd-font-secondary);
  font-size: 16px;
  font-weight: 600;
  color: var(--wd-primary);
  letter-spacing: 0;
  text-transform: uppercase;
  display: block;
  margin: 0 0 24px;
}

.wd-co-intro__heading {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.04em;
  color: var(--wd-text-primary);
  margin: 0 0 36px;
  word-break: keep-all;
}

.wd-co-intro__heading strong {
  color: var(--wd-primary);
  font-weight: 800;
}

.wd-co-intro__image {
  width: 100%;
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: var(--wd-surface-subtle, #f5f5f5);
  margin-top: 0;
}

.wd-co-intro__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.wd-co-intro__body {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  margin-top: 56px;
  align-items: start;
}

.wd-co-intro__pitch {
  font-size: clamp(26px, 2.2vw, 32px);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--wd-text-primary);
  line-height: 1.5;
  word-break: keep-all;
  margin: 0;
}

.wd-co-intro__text {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.wd-co-intro__lead {
  font-size: 19px;
  line-height: 1.85;
  color: var(--wd-text-primary);
  word-break: keep-all;
  margin: 0;
}


/* ============================================================
   ③ 기업현황 표
   ============================================================ */
.wd-co-info {
  display: flex;
  gap: 80px;
  align-items: flex-start;
}

.wd-co-info__left {
  flex: 0 0 auto;
  min-width: 280px;
}

.wd-co-info__label {
  font-family: var(--wd-font-secondary);
  font-size: 16px;
  font-weight: 600;
  color: var(--wd-primary);
  letter-spacing: 0;
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}

.wd-co-info__title {
  font-size: clamp(30px, 3vw, 40px);
  font-weight: 800;
  color: var(--wd-text-primary);
  line-height: 1.4;
  letter-spacing: -0.04em;
  margin: 0;
}

.wd-co-info__right {
  flex: 1;
}

.wd-overview__table {
  width: 100%;
  border-top: 2px solid var(--wd-text-primary);
}

.wd-overview__row {
  display: flex;
  border-bottom: 1px solid var(--wd-border-light);
}

.wd-overview__label {
  flex: 0 0 180px;
  padding: 22px 24px;
  font-size: 18px;
  font-weight: 700;
  color: var(--wd-text-primary);
}

.wd-overview__value {
  flex: 1;
  padding: 22px 24px;
  font-size: 18px;
  color: var(--wd-text-secondary);
  line-height: 1.7;
  word-break: keep-all;
}


/* ============================================================
   ④ Why Hansol EnergyOn — 4 이미지 카드 + 점선 연결
   ============================================================ */
.wd-co-why-head {
  margin-bottom: 80px;
}

.wd-co-why-head__heading {
  font-family: var(--wd-font-secondary);
  font-size: clamp(36px, 4.8vw, 60px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--wd-text-primary);
  margin: 0;
}

.wd-co-pillars__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  margin-top: 16px;
}

.wd-co-pillar {
  position: relative;
  display: flex;
  flex-direction: column;
}

.wd-co-pillar__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #0a0e1a;
  border-radius: 50%;
}

.wd-co-pillar__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.wd-co-pillar:hover .wd-co-pillar__visual img {
  transform: scale(1.05);
}

/* 어두운 그라디언트 오버레이 — 흰 텍스트 가독성 */
.wd-co-pillar__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.55) 100%);
  pointer-events: none;
  z-index: 1;
}

.wd-co-pillar__heading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: clamp(28px, 2.6vw, 38px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: #fff;
  word-break: keep-all;
  margin: 0;
  padding: 32px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.wd-co-pillar__desc {
  margin: 24px 0 0;
  text-align: center;
  font-size: 16px;
  line-height: 1.75;
  color: var(--wd-text-secondary);
  word-break: keep-all;
  padding: 0 4px;
}

/* 카드 간 점선 연결 (4열에서만 노출) */
.wd-co-pillar + .wd-co-pillar .wd-co-pillar__visual::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -48px;
  width: 48px;
  height: 0;
  border-top: 3px dotted var(--wd-border-default, #d9d9d9);
  transform: translateY(-50%);
  z-index: 3;
}


/* ============================================================
   ⑤ Vision
   ============================================================ */
.wd-co-vision {
  padding: 140px 0;
  text-align: center;
  background: #fff;
}

.wd-co-vision__inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 var(--wd-container-padding);
}

.wd-co-vision__label {
  font-family: var(--wd-font-secondary);
  font-size: 16px;
  font-weight: 600;
  color: var(--wd-primary);
  letter-spacing: 0;
  text-transform: uppercase;
  display: block;
  margin-bottom: 28px;
}

.wd-co-vision__en {
  font-family: var(--wd-font-secondary);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--wd-text-primary);
  margin: 0 0 14px;
}

.wd-co-vision__heading {
  font-size: clamp(20px, 2vw, 24px);
  font-weight: 700;
  color: var(--wd-primary);
  letter-spacing: -0.02em;
  margin: 0 0 36px;
}

.wd-co-vision__lead {
  font-size: 18px;
  line-height: 1.9;
  color: var(--wd-text-secondary);
  word-break: keep-all;
  margin: 0;
}


/* ============================================================
   ⑥ 패럴랙스 비주얼
   ============================================================ */
.wd-co-parallax {
  position: relative;
  height: 60vh;
  min-height: 400px;
  overflow: hidden;
}

.wd-co-parallax__bg {
  position: absolute;
  inset: 0;
  background: url('../images/about-1.webp') center center / cover no-repeat;
}

/* 좌우 커튼 오버레이 */
.wd-co-parallax::before,
.wd-co-parallax::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: #fff;
  z-index: 1;
  transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.wd-co-parallax::before {
  left: 0;
  transform-origin: left center;
}

.wd-co-parallax::after {
  right: 0;
  transform-origin: right center;
}

.wd-co-parallax.is-revealed::before {
  transform: translateX(-100%);
}

.wd-co-parallax.is-revealed::after {
  transform: translateX(100%);
}


/* ============================================================
   ⑧ 사업분야 — 4 다크 이미지 카드 (HCT 스타일)
   ============================================================ */
.wd-co-biz__head {
  text-align: center;
  margin-bottom: 64px;
}

.wd-co-biz__heading {
  font-size: clamp(40px, 5.2vw, 64px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.2;
  color: var(--wd-text-primary);
  margin: 0 0 28px;
  word-break: keep-all;
}

.wd-co-biz__lead {
  font-size: 18px;
  line-height: 1.85;
  color: var(--wd-text-secondary);
  word-break: keep-all;
  margin: 0;
}

.wd-co-biz__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.wd-co-biz__card {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: #0a0e1a;
}

.wd-co-biz__visual {
  position: absolute;
  inset: 0;
}

.wd-co-biz__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


/* 다크 그라디언트 오버레이 */
.wd-co-biz__card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.45) 50%, rgba(0, 0, 0, 0.78) 100%);
  pointer-events: none;
  z-index: 1;
}

.wd-co-biz__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  gap: 16px;
}

.wd-co-biz__title {
  color: #fff;
  font-size: clamp(26px, 2.2vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin: 0;
  word-break: keep-all;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}



/* ============================================================
   ⑦ Production Infrastructure
   ============================================================ */
.wd-co-prod__head {
  margin-bottom: 56px;
  text-align: center;
}

.wd-co-prod__head .wd-stitle {
  margin-bottom: 24px;
}

.wd-co-prod__lead {
  font-size: 18px;
  line-height: 1.9;
  color: var(--wd-text-secondary);
  word-break: keep-all;
  max-width: 920px;
  margin: 0 auto;
}


/* ============================================================
   Responsive — Tablet (<=1080px)
   ============================================================ */
@media (max-width: 1080px) {
  .wd-co-section { padding: 80px 0; }

  /* About Us 인트로 */
  .wd-co-intro { padding: 56px 0 80px; }
  .wd-co-intro__image { aspect-ratio: 16 / 9; }
  .wd-co-intro__body { grid-template-columns: 1fr 1.5fr; gap: 48px; margin-top: 48px; }
  .wd-co-intro__pitch { font-size: 24px; }
  .wd-co-intro__lead { font-size: 17px; }

  /* 기업현황 */
  .wd-co-info { gap: 48px; }
  .wd-co-info__left { min-width: 220px; }
  .wd-overview__label { flex: 0 0 130px; }

  /* Why 카드: 2열 */
  .wd-co-why-head { margin-bottom: 56px; }
  .wd-co-pillars__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  .wd-co-pillar__heading { font-size: 26px; padding: 24px; }
  .wd-co-pillar__desc { font-size: 14px; margin-top: 20px; }
  /* 점선 연결 — 2열에서는 첫번째 카드 옆에만 (왼쪽) */
  .wd-co-pillar + .wd-co-pillar .wd-co-pillar__visual::before {
    left: -32px;
    width: 32px;
  }
  /* 2열에서 3번째 카드(두번째 줄 첫번째)의 왼쪽 점선 제거 */
  .wd-co-pillar:nth-child(2n+1) .wd-co-pillar__visual::before {
    display: none;
  }

  /* Vision */
  .wd-co-vision { padding: 96px 0; }
  .wd-co-vision__lead { font-size: 16px; }

  /* 패럴랙스 */
  .wd-co-parallax { height: 50vh; min-height: 320px; }

  /* 생산 인프라 */
  .wd-co-prod__head { margin-bottom: 40px; }
  .wd-co-prod__lead { font-size: 16px; }

  /* 사업분야 — 2열 */
  .wd-co-biz__head { margin-bottom: 48px; }
  .wd-co-biz__heading { font-size: 36px; margin-bottom: 20px; }
  .wd-co-biz__lead { font-size: 16px; }
  .wd-co-biz__grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .wd-co-biz__title { font-size: 22px; }
}


/* ============================================================
   Responsive — Mobile (<=640px)
   ============================================================ */
@media (max-width: 640px) {
  .wd-co-section { padding: 56px 0; }
  .wd-co-section__inner { padding: 0 20px; }

  /* About Us 인트로 */
  .wd-co-intro { padding: 32px 0 56px; }
  .wd-co-intro__inner { padding: 0 20px; }
  .wd-co-intro__image { aspect-ratio: 16 / 9; }
  .wd-co-intro__body { grid-template-columns: 1fr; gap: 28px; margin-top: 32px; }
  .wd-co-intro__pitch { font-size: 21px; }
  .wd-co-intro__text { gap: 18px; }
  .wd-co-intro__lead { font-size: 16px; }

  /* 기업현황 */
  .wd-co-info { flex-direction: column; gap: 32px; }
  .wd-co-info__left { min-width: auto; }
  .wd-co-info__title { font-size: 26px; }
  .wd-overview__label {
    flex: 0 0 100px;
    font-size: 14px;
    padding: 16px 14px;
  }
  .wd-overview__value {
    font-size: 14px;
    padding: 16px;
  }

  /* Why 카드: 2x2 */
  .wd-co-why-head { margin-bottom: 32px; }
  .wd-co-why-head__heading { font-size: 28px; }
  .wd-co-pillars__grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .wd-co-pillar__heading { font-size: 17px; padding: 14px; }
  .wd-co-pillar__desc { font-size: 13px; line-height: 1.6; margin-top: 14px; padding: 0 4px; }
  /* 2x2에서 점선 전부 숨김 */
  .wd-co-pillar + .wd-co-pillar .wd-co-pillar__visual::before {
    display: none;
  }

  /* Vision */
  .wd-co-vision { padding: 64px 0; }
  .wd-co-vision__inner { padding: 0 20px; }
  .wd-co-vision__heading { font-size: 18px; margin-bottom: 24px; }
  .wd-co-vision__lead { font-size: 15px; }

  /* 패럴랙스 */
  .wd-co-parallax { height: 40vh; min-height: 260px; }
  .wd-co-parallax__bg { background-attachment: scroll; }

  /* 생산 인프라 */
  .wd-co-prod__lead { font-size: 15px; }

  /* 사업분야 — 2열 유지 (모바일도) */
  .wd-co-biz__head { margin-bottom: 36px; }
  .wd-co-biz__heading { font-size: 28px; margin-bottom: 16px; }
  .wd-co-biz__lead { font-size: 14px; }
  .wd-co-biz__lead br { display: none; }
  .wd-co-biz__grid { gap: 8px; }
  .wd-co-biz__title { font-size: 18px; }
  .wd-co-biz__overlay { padding: 18px; gap: 12px; }
}