/* ============================================================
   Main Page Only
   ============================================================ */

/* 풀페이지 스크롤 스냅 */
html {
  scroll-snap-type: y mandatory;
  overflow-y: scroll;
}

/* 풀페이지 섹션 공통 — 각 섹션이 100vh + snap */
.wd-fp-section {
  min-height: 100vh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  position: relative;
}

/* 콘텐츠 높이에 맞추는 섹션 (스냅 유지, 100vh 강제 해제) */
.wd-fp-section--auto {
  min-height: auto;
}


/* ============================================================
   SECTION 1: Main Hero — 아이원스 스타일 사업영역 슬라이더
   ============================================================ */
.wd-hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  background: #0a1a2e;
}

/* ── 배경 이미지 레이어 (fade) ── */
.wd-hero__bgs {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.wd-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.2s ease, transform 6s ease-out;
}

.wd-hero__bg--active {
  opacity: 1;
  transform: scale(1);
}

.wd-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(10,26,46,0.92) 0%,
    rgba(10,26,46,0.45) 40%,
    rgba(10,26,46,0.55) 100%
  );
}

/* ── 슬라이드 콘텐츠 (fade) ── */
.wd-hero__slides {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.wd-hero__slide {
  position: absolute;
  bottom: 18%;
  left: 50%;
  transform: translateX(-50%);
  max-width: var(--wd-container-content);
  width: 100%;
  padding: 0 var(--wd-container-padding);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.wd-hero__slide--active {
  opacity: 1;
  pointer-events: auto;
}

.wd-hero__slide-label {
  font-family: var(--wd-font-secondary);
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.2s ease, transform 0.6s 0.2s ease;
}

.wd-hero__slide-headline {
  font-family: var(--wd-font-secondary);
  font-size: 80px;
  font-weight: 700;
  font-style: italic;
  color: #FFFFFF;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 900px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s 0.3s ease, transform 0.6s 0.3s ease;
}

.wd-hero__slide-desc {
  font-size: 19px;
  font-weight: 400;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin-top: 32px;
  max-width: 560px;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.5s ease, transform 0.6s 0.5s ease;
}

.wd-hero__slide-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 36px;
  padding: 16px 36px;
  border: 1px solid rgba(255,255,255,0.4);
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  background: transparent;
  text-decoration: none;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.7s ease, transform 0.6s 0.7s ease, color 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.wd-hero__slide-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #FFFFFF;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

.wd-hero__slide-cta:hover {
  color: #000000;
  border-color: #FFFFFF;
}

.wd-hero__slide-cta:hover::before {
  transform: scaleX(1);
}

/* Active slide → children animate in */
.wd-hero__slide--active .wd-hero__slide-label,
.wd-hero__slide--active .wd-hero__slide-headline,
.wd-hero__slide--active .wd-hero__slide-desc,
.wd-hero__slide--active .wd-hero__slide-cta {
  opacity: 1;
  transform: translateY(0);
}

/* ── 초기 로드 전용 keyframe 애니메이션 (.wd-hero--init) ── */
@keyframes wd-hero-zoom {
  from { transform: scale(1.08); }
  to   { transform: scale(1); }
}
@keyframes wd-hero-fade-up-sm {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes wd-hero-fade-up-lg {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.wd-hero--init .wd-hero__bg--active {
  animation: wd-hero-zoom 6s ease-out both;
}
.wd-hero--init .wd-hero__slide--active .wd-hero__slide-label {
  animation: wd-hero-fade-up-sm 0.6s 0.2s ease both;
}
.wd-hero--init .wd-hero__slide--active .wd-hero__slide-headline {
  animation: wd-hero-fade-up-lg 0.6s 0.3s ease both;
}
.wd-hero--init .wd-hero__slide--active .wd-hero__slide-desc {
  animation: wd-hero-fade-up-sm 0.6s 0.5s ease both;
}
.wd-hero--init .wd-hero__slide--active .wd-hero__slide-cta {
  animation: wd-hero-fade-up-sm 0.6s 0.7s ease both;
}

/* ── 하단 탭 내비게이션 ── */
.wd-hero__tabs {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.wd-hero__tab {
  flex: 1;
  position: relative;
  padding: 22px 16px;
  background: none;
  border: none;
  border-right: 1px solid rgba(255,255,255,0.1);
  cursor: pointer;
  transition: background 0.4s ease;
}

.wd-hero__tab:last-child {
  border-right: none;
}

.wd-hero__tab:hover {
  background: rgba(255,255,255,0.06);
}

.wd-hero__tab--active {
  background: rgba(255,255,255,0.08);
}

.wd-hero__tab-label {
  font-family: var(--wd-font-secondary);
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.02em;
  transition: color 0.4s ease;
}

.wd-hero__tab--active .wd-hero__tab-label {
  color: #FFFFFF;
}

/* 진행 바 */
.wd-hero__tab-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: #FFFFFF;
}

.wd-hero__tab--active .wd-hero__tab-progress {
  animation: wd-tabProgress 5s linear forwards;
}

@keyframes wd-tabProgress {
  from { width: 0; }
  to { width: 100%; }
}

.wd-hero__scroll {
  position: absolute;
  bottom: 18%;
  right: 40px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.wd-hero__scroll-text {
  font-family: var(--wd-font-secondary);
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
}

.wd-hero__scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}

.wd-hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: #FFFFFF;
  animation: wd-scrollLine 2s infinite;
}

@keyframes wd-scrollLine {
  0% { top: -100%; }
  50% { top: 100%; }
  100% { top: 100%; }
}


/* ============================================================
   SECTION: Bento Split — 좌 텍스트 + 우 벤토 그리드
   ============================================================ */
.wd-numbers {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* ── 좌: 인트로 ── */
.wd-numbers__intro {
  position: relative;
  width: 50%;
}

.wd-numbers__intro-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 48px;
  height: 100%;
  padding: 10vw 7vw;
  box-sizing: border-box;
  background: var(--wd-surface-white);
}

.wd-numbers__label {
  font-family: var(--wd-font-secondary);
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--wd-primary);
  font-weight: 700;
}

.wd-numbers__title {
  display: block;
  font-size: 48px;
  line-height: 1.35;
  letter-spacing: -0.03em;
  color: var(--wd-text-primary);
  font-weight: 800;
  margin-top: 12px;
}

.wd-numbers__title span {
  display: block;
}

.wd-numbers__title em {
  font-weight: inherit;
  font-style: normal;
  color: var(--wd-primary);
}

.wd-numbers__desc {
  font-size: 20px;
  line-height: 1.75;
  letter-spacing: -0.02em;
  color: var(--wd-text-muted, rgba(0,0,0,0.5));
  font-weight: 500;
  margin-top: 28px;
  word-break: keep-all;
}

/* CTA 버튼 */
.wd-numbers__cta {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 180px;
  height: 56px;
  border-radius: 28px;
  overflow: hidden;
  padding: 0 28px;
  box-sizing: border-box;
  text-decoration: none;
}

.wd-numbers__cta::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--wd-text-primary);
  border-radius: 28px;
  box-sizing: border-box;
}

.wd-numbers__cta-text {
  position: relative;
  font-family: var(--wd-font-secondary);
  font-size: 14px;
  color: var(--wd-text-primary);
  font-weight: 600;
  z-index: 1;
  transition: color 0.4s ease;
}

.wd-numbers__cta-dot {
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--wd-primary);
  transition: all 0.4s ease;
}

.wd-numbers__cta:hover .wd-numbers__cta-text {
  color: #FFFFFF;
}

.wd-numbers__cta:hover .wd-numbers__cta-dot {
  width: 400px;
  height: 400px;
  right: -180px;
}

/* ── 우: 벤토 그리드 ── */
.wd-numbers__grid {
  display: flex;
  flex-direction: column;
  width: 50%;
}

.wd-numbers__row {
  width: 100%;
  height: 50%;
}

.wd-numbers__row--top {
  display: flex;
}

/* ── 카드 공통 ── */
.wd-numbers__card {
  position: relative;
  overflow: hidden;
}

.wd-numbers__card--founding {
  width: 50%;
  background: var(--wd-surface-light, #F5F5F5);
}

.wd-numbers__card--products {
  width: 50%;
  background: var(--wd-primary);
}

.wd-numbers__card--products .wd-numbers__card-bg {
  position: absolute;
  inset: 0;
  background: url('../images/sub-product.webp') no-repeat center / cover;
  opacity: 0.3;
}

.wd-numbers__card--clients {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.wd-numbers__card--clients::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
}

/* ── Info Block ── */
.wd-numbers__info {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  padding: 48px 40px;
  box-sizing: border-box;
}

.wd-numbers__card--founding .wd-numbers__info,
.wd-numbers__card--products .wd-numbers__info {
  justify-content: flex-end;
  padding-bottom: 60px;
}

.wd-numbers__card--founding .wd-numbers__info-text,
.wd-numbers__card--products .wd-numbers__info-text {
  margin-bottom: 24px;
}

.wd-numbers__info-label {
  font-size: 26px;
  line-height: 1.3;
  letter-spacing: -0.025em;
  color: var(--wd-primary);
  font-weight: 800;
}

.wd-numbers__info-desc {
  font-size: 18px;
  line-height: 1.65;
  letter-spacing: -0.02em;
  color: var(--wd-text-secondary, rgba(0,0,0,0.6));
  font-weight: 500;
  margin-top: 10px;
}

/* Products 카드: 반전 색상 */
.wd-numbers__card--products .wd-numbers__info-label { color: #FFFFFF; }
.wd-numbers__card--products .wd-numbers__info-desc { color: rgba(255,255,255,0.6); }
.wd-numbers__card--products .wd-numbers__counter { color: #FFFFFF; }

/* Clients 카드: 반전 색상 */
.wd-numbers__card--clients .wd-numbers__info-label { color: #FFFFFF; }
.wd-numbers__card--clients .wd-numbers__info-desc { color: rgba(255,255,255,0.6); }
.wd-numbers__card--clients .wd-numbers__counter { color: #FFFFFF; }

/* ── 카운터 ── */
.wd-numbers__counter {
  display: flex;
  align-items: flex-end;
  font-size: 80px;
  letter-spacing: -0.03em;
  color: var(--wd-text-primary);
  line-height: 0.9;
}

.wd-numbers__digits {
  font-family: var(--wd-font-primary);
  font-weight: 800;
}

.wd-numbers__unit {
  font-size: 0.28em;
  font-weight: 700;
  margin-bottom: 10px;
  margin-left: 6px;
  letter-spacing: 0;
}

.wd-numbers__footnote {
  position: absolute;
  bottom: 24px;
  right: 24px;
  font-family: var(--wd-font-secondary);
  font-size: 13px;
  color: rgba(0,0,0,0.35);
  font-weight: 500;
}

/* ── 카운터 리스트 (하단 3col) ── */
.wd-numbers__counter-list {
  display: flex;
  gap: 0;
}

.wd-numbers__counter-item {
  flex: 1;
}

.wd-numbers__counter-item .wd-numbers__counter {
  font-size: 60px;
  color: #FFFFFF;
}

.wd-numbers__counter-title {
  font-size: 16px;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  margin-bottom: 4px;
}

.wd-numbers__counter-item .wd-numbers__unit {
  font-size: 0.3em;
  margin-left: 3px;
  margin-bottom: 8px;
}

/* ── 스크롤 진입 애니메이션 ── */
.wd-numbers__intro-inner,
.wd-numbers__card {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.wd-numbers__intro-inner.is-visible,
.wd-numbers__card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.wd-numbers__card--founding { transition-delay: 0.15s; }
.wd-numbers__card--products { transition-delay: 0.3s; }
.wd-numbers__card--clients  { transition-delay: 0.45s; }

/* 텍스트 슬라이드인 */
.wd-numbers__label,
.wd-numbers__title span,
.wd-numbers__desc,
.wd-numbers__cta {
  opacity: 0;
  transform: translateX(60px);
}

.is-visible .wd-numbers__label,
.is-visible .wd-numbers__title span,
.is-visible .wd-numbers__desc,
.is-visible .wd-numbers__cta {
  animation: wd-text-slide-in 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.is-visible .wd-numbers__label                     { animation-delay: 0.15s; }
.is-visible .wd-numbers__title span:nth-child(1)   { animation-delay: 0.3s; }
.is-visible .wd-numbers__title span:nth-child(2)   { animation-delay: 0.45s; }
.is-visible .wd-numbers__title span:nth-child(3)   { animation-delay: 0.6s; }
.is-visible .wd-numbers__desc                      { animation-delay: 0.75s; }
.is-visible .wd-numbers__cta                       { animation-delay: 0.9s; }

@keyframes wd-text-slide-in {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}


/* ============================================================
   SECTION: 제품군 — 다크 3col 카드
   ============================================================ */
.wd-products {
  background: var(--wd-surface-dark);
  color: #FFFFFF;
}

.wd-products__inner {
  max-width: var(--wd-container-content);
  margin: 0 auto;
  padding: 120px var(--wd-container-padding);
  display: flex;
  flex-direction: column;
}

.wd-products__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 64px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--wd-border-on-dark);
}

.wd-products__label {
  font-family: var(--wd-font-secondary);
  font-size: 14px;
  font-weight: 700;
  color: var(--wd-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.wd-products__title {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.2;
}

.wd-products__subtitle {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  letter-spacing: -0.02em;
  text-align: right;
  word-break: keep-all;
}

/* 3col 그리드 */
.wd-products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* 카드 */
.wd-products__card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--wd-duration-default), background var(--wd-duration-default);
}

.wd-products__card:hover {
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.07);
}

.wd-products__card-num {
  font-family: var(--wd-font-secondary);
  font-size: 48px;
  font-weight: 800;
  color: var(--wd-primary);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 24px;
}

.wd-products__card-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  margin-bottom: 28px;
  background: rgba(255,255,255,0.05);
}

.wd-products__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.wd-products__card:hover .wd-products__card-image img {
  transform: scale(1.05);
}

.wd-products__card-title {
  font-size: 24px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}

.wd-products__card-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.wd-products__card-features {
  flex: 1;
  margin-bottom: 28px;
}

.wd-products__card-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--wd-primary);
  border: 1px solid var(--wd-primary);
  padding: 4px 12px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.wd-products__card-features ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wd-products__card-features li {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  padding-left: 14px;
  position: relative;
  letter-spacing: -0.02em;
}

.wd-products__card-features li::before {
  content: '·';
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--wd-primary);
}

.wd-products__card-link {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--wd-duration-default);
  letter-spacing: -0.02em;
}

.wd-products__card-link:hover {
  color: #FFFFFF;
}


/* ============================================================
   SECTION: Business — 넥스트에어로스페이스 레퍼런스
   배경 이미지 + 좌측 볼드 타이틀 + 우측 세로 카드 스택
   ============================================================ */
.wd-business {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.wd-business__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.wd-business__bg span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scale(1.05);
}

.wd-business__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.12) 50%, transparent 100%);
  z-index: 1;
  pointer-events: none;
}

.wd-business__inner {
  position: relative;
  z-index: 1;
  height: 100%;
  width: 100%;
}

/* 좌측 타이틀 — 본문 폭 정렬 */
.wd-business__text {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 var(--wd-container-padding);
  padding-left: max(var(--wd-container-padding), calc((100% - var(--wd-container-content)) / 2 + var(--wd-container-padding)));
  box-sizing: border-box;
  z-index: 1;
  pointer-events: none;
}

.wd-business__label {
  font-family: var(--wd-font-secondary);
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.wd-business__title-line {
  font-size: 44px;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.4;
  letter-spacing: -0.03em;
  word-break: keep-all;
}

.wd-business__title-line span {
  font-weight: 800;
}

/* 우측 카드 스택 — 가로 배치 */
.wd-business__grid {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  display: flex;
  flex-direction: row;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.wd-business__card {
  flex: 1;
  display: flex;
  align-items: flex-end;
  width: 240px;
  height: 100%;
  padding: 0 24px 48px;
  box-sizing: border-box;
  text-decoration: none;
  border-right: 1px solid rgba(255,255,255,0.1);
  transition: background 0.8s ease;
  position: relative;
}

.wd-business__card:last-child {
  border-right: none;
}

.wd-business__card::before {
  position: absolute;
  top: 28px;
  right: 28px;
  content: '→';
  font-size: 18px;
  color: #fff;
  opacity: 0.15;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.wd-business__card:hover {
  background: rgba(28, 46, 88, 0.65);
}

.wd-business__card:hover::before {
  opacity: 0.8;
  transform: translateX(4px);
}

.wd-business__card:hover .wd-business__card-icon svg {
  transform: scale(1.1);
  transition: transform 0.8s ease;
}

.wd-business__card:hover .wd-business__card-en {
  color: rgba(255,255,255,0.6);
}

/* 카드 아이콘 */
.wd-business__card-icon {
  display: block;
  height: 64px;
  line-height: 64px;
  margin-bottom: 24px;
}

.wd-business__card-icon svg {
  height: 100%;
  width: auto;
  transition: transform 0.8s ease;
}

/* 카드 텍스트 */
.wd-business__card-body {
  text-align: center;
  width: 100%;
}

.wd-business__card-en {
  font-family: var(--wd-font-secondary);
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 12px;
  transition: color 0.8s ease;
}

.wd-business__card-title {
  font-size: 24px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.05em;
  line-height: 1.3;
}

.wd-business__card-desc {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
  margin-top: 12px;
  letter-spacing: -0.02em;
  transition: color 0.8s ease;
}

.wd-business__card:hover .wd-business__card-desc {
  color: rgba(255,255,255,0.8);
}


/* ============================================================
   SECTION: Projects — 주요 실적 카드 슬라이더
   ============================================================ */
.wd-projects {
  position: relative;
  background: var(--wd-surface-white);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 80px;
}

.wd-projects__inner {
  width: 100%;
  max-width: var(--wd-container-content);
  margin: 0 auto;
  padding: 0 var(--wd-container-padding);
}

.wd-projects__heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 36px;
}

.wd-projects__label {
  font-family: var(--wd-font-secondary);
  font-size: 14px;
  font-weight: 600;
  color: var(--wd-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.wd-projects__title {
  display: block;
  font-size: 48px;
  font-weight: 800;
  color: var(--wd-text-primary);
  line-height: 1.35;
  letter-spacing: -0.03em;
}

/* ── 슬라이더 ── */
.wd-projects__slider-wrap {
  position: relative;
}

.wd-projects__track {
  display: flex;
  gap: 20px;
  padding-left: max(var(--wd-container-padding), calc((100vw - var(--wd-container-content)) / 2 + var(--wd-container-padding)));
  transition: transform 1.2s cubic-bezier(0.25, 0.1, 0.25, 1);
  cursor: grab;
}

.wd-projects__track:active {
  cursor: grabbing;
}

/* ── 카드 아이템 ── */
.wd-projects__item {
  position: relative;
  flex: 0 0 560px;
  overflow: hidden;
  padding-top: 60px;
  transition: padding-top 1.2s;
}

.wd-projects__item.is-active {
  padding-top: 0;
}

.wd-projects__link {
  position: absolute;
  inset: 0;
  z-index: 5;
}

/* ── 이미지 박스 ── */
.wd-projects__img-box {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}

.wd-projects__img {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
}

/* ── 용량 라벨 (기본: 좌하단 작게) ── */
.wd-projects__capacity {
  position: absolute;
  bottom: 24px;
  left: 28px;
  font-family: var(--wd-font-secondary);
  font-size: 36px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1;
  transition: transform 1.2s;
}

/* ── 용량 라벨 (활성: 우하단 크게) ── */
.wd-projects__capacity--active {
  position: absolute;
  bottom: -8px;
  right: -2px;
  font-family: var(--wd-font-secondary);
  font-size: 72px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1;
  text-align: right;
  transform: translateX(100%);
  transition: transform 1.2s;
}

.wd-projects__item.is-active .wd-projects__capacity {
  transform: translateY(140%);
}

.wd-projects__item.is-active .wd-projects__capacity--active {
  transform: translateX(0);
}

/* ── 텍스트 (활성 시 슬라이드업) ── */
.wd-projects__text {
  position: relative;
  transform: translateY(-100%);
  padding: 28px 28px 0;
  z-index: -1;
  transition: transform 1.2s;
}

.wd-projects__item.is-active .wd-projects__text {
  transform: translateY(0);
}

.wd-projects__text h4 {
  font-size: 24px;
  font-weight: 700;
  color: var(--wd-text-primary);
  margin: 0 0 10px;
}

.wd-projects__text p {
  font-size: 16px;
  font-weight: 400;
  color: var(--wd-text-secondary);
  margin: 0;
}

/* ── 네비게이션 ── */
.wd-projects__nav {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.wd-projects__prev,
.wd-projects__next {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--wd-border-default, #ddd);
  background: none;
  cursor: pointer;
  color: var(--wd-text-primary);
  padding: 0;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

.wd-projects__prev:hover,
.wd-projects__next:hover {
  background: var(--wd-primary);
  border-color: var(--wd-primary);
  color: #FFFFFF;
}

/* ── CTA ── */
.wd-projects__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 48px;
  padding: 16px 36px;
  border: 1px solid rgba(255,255,255,0.3);
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.3s, border-color 0.3s;
}

.wd-projects__cta:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

/* ── 진입 애니메이션 (헤더만) ── */
[data-motion] .wd-projects__heading {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.is_animated .wd-projects__heading {
  opacity: 1;
  transform: translateY(0);
}


/* ============================================================
   SECTION: ESG — Dark Full-VP, Hover BG Swap
   ============================================================ */
.wd-esg {
  position: relative;
  width: 100%;
  min-height: 100vh;
  background: var(--wd-surface-dark);
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* ── Background layers ── */
.wd-esg__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.wd-esg__bg-layer {
  position: absolute;
  inset: -2.5%;
  width: 105%;
  height: 105%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.05) translateY(10px);
  transition: opacity 1s ease, transform 1s ease;
}

.wd-esg__bg-layer::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.wd-esg__bg-layer--active {
  opacity: 1;
  transform: scale(1) translate(0);
}

/* ── Inner container ── */
.wd-esg__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

/* ── Title area ── */
.wd-esg__title-area {
  padding: 0 5%;
  margin-bottom: 40px;
}

.wd-esg__label {
  font-family: var(--wd-font-secondary);
  font-size: 14px;
  font-weight: 700;
  color: var(--wd-primary-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ── List (3 columns) ── */
.wd-esg__list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.wd-esg__item {
  position: relative;
  width: 33.333%;
  padding: 15vh 5% 100px;
  cursor: default;
}

/* Vertical divider */
.wd-esg__item::after {
  content: '';
  position: absolute;
  top: -50%;
  right: 0;
  width: 1px;
  height: 300%;
  background: rgba(255, 255, 255, 0.2);
}

.wd-esg__item:last-child::after {
  display: none;
}

/* ── Item inner (hover lift) ── */
.wd-esg__item-inner {
  position: relative;
}

.wd-esg__item-inner > div {
  transition: transform 0.6s ease;
}

.wd-esg__item:hover .wd-esg__item-inner > div {
  transform: translateY(-30px);
}

/* ── Item title ── */
.wd-esg__item-tit {
  font-family: var(--wd-font-secondary);
  font-size: 40px;
  font-weight: 600;
  color: var(--wd-text-inverse);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

/* ── Item description ── */
.wd-esg__item-txt {
  margin-top: 25px;
  font-size: 17px;
  color: var(--wd-text-inverse);
  line-height: 1.7;
  opacity: 0.85;
  letter-spacing: -0.02em;
}


/* ============================================================
   SECTION: CTA — 문의 유도
   ============================================================ */
.wd-cta {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.wd-cta__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0a1a2e 0%, #0d3a5c 40%, #0165a0 100%);
  z-index: 0;
}

.wd-cta__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../images/mv03.webp') center/cover no-repeat;
  opacity: 0.12;
  mix-blend-mode: overlay;
}

.wd-cta__inner {
  position: relative;
  z-index: 1;
  max-width: var(--wd-container-content);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--wd-container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 80px;
}

.wd-cta__content {
  flex: 1;
}

.wd-cta__label {
  font-family: var(--wd-font-secondary);
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.wd-cta__title {
  font-size: 44px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.4;
  letter-spacing: -0.04em;
  word-break: keep-all;
}

.wd-cta__desc {
  font-size: 18px;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-top: 24px;
}

.wd-cta__buttons {
  display: flex;
  gap: 16px;
  margin-top: 48px;
}

.wd-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 36px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--wd-duration-default);
  cursor: pointer;
}

.wd-cta__btn--primary {
  background: #FFFFFF;
  color: var(--wd-primary);
  border: 1px solid #FFFFFF;
}

.wd-cta__btn--primary:hover {
  background: var(--wd-primary);
  color: #FFFFFF;
  border-color: var(--wd-primary);
}

.wd-cta__btn--kakao {
  background: #FEE500;
  color: #3C1E1E;
  border: 1px solid #FEE500;
}

.wd-cta__btn--kakao:hover {
  background: #F5DC00;
  border-color: #F5DC00;
}

.wd-cta__btn--kakao svg {
  flex-shrink: 0;
}

.wd-cta__contact {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.wd-cta__contact-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wd-cta__contact-label {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.5);
}

.wd-cta__contact-value {
  font-family: var(--wd-font-secondary);
  font-size: 24px;
  font-weight: 700;
  color: #FFFFFF;
  text-decoration: none;
  transition: color var(--wd-duration-default);
}

.wd-cta__contact-value:hover {
  color: var(--wd-primary-light);
}


/* ============================================================
   SECTION: News — DB하이텍 레퍼런스, 확대
   100vh, 대형 타이틀 + 3col 카드 확대
   ============================================================ */
.wd-news {
  background: var(--wd-surface-white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0;
}

.wd-news__inner {
  max-width: var(--wd-container-content);
  margin: 0 auto;
  padding: 0 var(--wd-container-padding);
  width: 100%;
}

/* 헤더 — DB하이텍: 좌측 대형 타이틀 + 우측 "더 보기" */
.wd-news__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 56px;
}

.wd-news__title-main {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--wd-text-primary);
  line-height: 1.2;
}

.wd-news__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: 1px solid var(--wd-border-default);
  color: var(--wd-text-primary);
  font-size: 15px;
  font-weight: 600;
  background: transparent;
  transition: all var(--wd-duration-default);
  flex-shrink: 0;
  margin-top: 12px;
}

.wd-news__more:hover {
  border-color: var(--wd-primary);
  background: var(--wd-primary);
  color: #FFFFFF;
}

/* 카드 그리드 — 3col, 확대 */
.wd-news__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.wd-news__card {
  background: var(--wd-surface-light);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  min-height: 420px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--wd-duration-default), transform var(--wd-duration-default);
  border: 1px solid transparent;
}

.wd-news__card:hover {
  background: linear-gradient(160deg, #0181c6 0%, #0165a0 50%, #4db8e8 100%);
  border-color: transparent;
  box-shadow: 0 8px 30px rgba(1,129,198,0.3);
  transform: translateY(-3px);
}

.wd-news__card:hover .wd-news__card-title { color: #FFFFFF; }
.wd-news__card:hover .wd-news__card-excerpt { color: rgba(255,255,255,0.8); }
.wd-news__card:hover .wd-news__card-date { color: rgba(255,255,255,0.7); }

.wd-news__card-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--wd-text-primary);
  line-height: 1.45;
  letter-spacing: -0.03em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.wd-news__card-excerpt {
  font-size: 17px;
  color: var(--wd-text-secondary);
  line-height: 1.7;
  margin-top: 24px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.wd-news__card-date {
  font-family: var(--wd-font-secondary);
  font-size: 15px;
  font-weight: 500;
  color: var(--wd-text-muted);
  margin-top: 32px;
}


/* ============================================================
   Footer — 스냅 예외 (자연스럽게 붙음)
   ============================================================ */
.wd-footer-wrap {
  scroll-snap-align: none;
}


/* ============================================================
   Responsive — Tablet (≤1080px) — main 전용
   ============================================================ */
@media (max-width: 1080px) {
  /* 태블릿에서는 스냅 해제 — 자연 스크롤 */
  html {
    scroll-snap-type: none;
  }

  .wd-hero__slide-headline { font-size: 56px; }
  .wd-hero__slide-desc { font-size: 16px; }
  .wd-hero__slide { bottom: 16%; }
  .wd-hero__tab-label { font-size: 13px; }
  .wd-hero__tab { padding: 18px 12px; }

  .wd-numbers { flex-direction: column; min-height: auto; height: auto; }
  .wd-numbers__intro, .wd-numbers__grid { width: 100%; }
  .wd-numbers__intro-inner { padding: 80px 40px; }
  .wd-numbers__title { font-size: 36px; }
  .wd-numbers__counter { font-size: 56px; }
  .wd-numbers__info { padding: 60px 40px; }
  .wd-numbers__card--founding .wd-numbers__info,
  .wd-numbers__card--products .wd-numbers__info { padding: 60px 40px; justify-content: center; }
  .wd-numbers__card--founding .wd-numbers__info-text,
  .wd-numbers__card--products .wd-numbers__info-text { margin-bottom: 32px; }
  .wd-numbers__footnote { position: relative; bottom: auto; right: auto; margin-top: 24px; }

  .wd-products { height: auto; min-height: auto; }
  .wd-products__inner { padding: 80px var(--wd-container-padding); }
  .wd-products__header { flex-direction: column; align-items: flex-start; gap: 16px; }
  .wd-products__subtitle { text-align: left; }
  .wd-products__title { font-size: 36px; }
  .wd-products__grid { grid-template-columns: repeat(2, 1fr); }
  .wd-products__card:last-child { grid-column: 1 / -1; max-width: 50%; }

  .wd-business__card { width: 160px; padding: 0 20px 32px; }
  .wd-business__title-line { font-size: 32px; }
  .wd-business__card-title { font-size: 18px; }
  .wd-business__card-en { font-size: 11px; }

  /* Projects — tablet */
  .wd-projects { padding: 80px 0 60px; }
  .wd-projects__title { font-size: 32px; }
  .wd-projects__item { flex: 0 0 420px; }
  .wd-projects__capacity { font-size: 28px; }
  .wd-projects__capacity--active { font-size: 52px; }
  .wd-projects__text h4 { font-size: 20px; }
  .wd-projects__prev, .wd-projects__next { width: 44px; height: 44px; }

  /* ESG — tablet */
  .wd-esg { min-height: auto; padding: 80px 0; }
  .wd-esg__item { width: 100%; padding: 40px 5%; border-bottom: 1px solid rgba(255,255,255,0.15); }
  .wd-esg__item::after { display: none; }
  .wd-esg__item:last-child { border-bottom: none; }
  .wd-esg__item-tit { font-size: 32px; }
  .wd-esg__item-txt { font-size: 15px; }
  .wd-esg__item:hover .wd-esg__item-inner > div { transform: none; }

  .wd-cta { height: auto; min-height: auto; padding: 100px 0; }
  .wd-cta__inner { flex-direction: column; gap: 48px; text-align: center; }
  .wd-cta__title { font-size: 36px; }
  .wd-cta__buttons { justify-content: center; }
  .wd-cta__contact { flex-direction: row; gap: 48px; }

  .wd-news {
    height: auto;
    min-height: auto;
    padding: 100px 0 120px;
  }
  .wd-news__cards { grid-template-columns: repeat(2, 1fr); }
  .wd-news__card { min-height: auto; padding: 36px 32px; }
  .wd-news__title-main { font-size: 36px; }
  .wd-news__card-title { font-size: 22px; }

  .wd-projects { padding: 80px 0; }
  .wd-projects__title { font-size: 32px; }
  .wd-projects__grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .wd-projects__card-capacity { font-size: 24px; }
  .wd-projects__card-name { font-size: 15px; }
}


/* ============================================================
   Responsive — Mobile (≤640px) — main 전용
   ============================================================ */
@media (max-width: 640px) {
  html { scroll-snap-type: none; }

  .wd-hero__slide { bottom: 22%; padding: 0 20px; }
  .wd-hero__slide-label { font-size: 12px; }
  .wd-hero__slide-headline { font-size: 36px; }
  .wd-hero__slide-desc { font-size: 14px; max-width: 100%; }
  .wd-hero__slide-cta { padding: 12px 24px; font-size: 14px; }
  .wd-hero__scroll { display: none; }
  .wd-hero__tabs { overflow-x: auto; }
  .wd-hero__tab { padding: 16px 10px; min-width: 0; }
  .wd-hero__tab-label { font-size: 12px; white-space: nowrap; }

  .wd-numbers__intro-inner { padding: 60px 20px; }
  .wd-numbers__title { font-size: 28px; }
  .wd-numbers__desc { font-size: 15px; }
  .wd-numbers__row--top { flex-direction: column; }
  .wd-numbers__card--founding, .wd-numbers__card--products { width: 100%; }
  .wd-numbers__info { padding: 48px 20px; }
  .wd-numbers__card--founding .wd-numbers__info,
  .wd-numbers__card--products .wd-numbers__info { padding: 48px 20px; }
  .wd-numbers__counter { font-size: 48px; }
  .wd-numbers__counter-list { flex-direction: column; gap: 20px; }
  .wd-numbers__counter-item .wd-numbers__counter { font-size: 40px; }

  .wd-business {
    height: auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  .wd-business__inner {
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  .wd-business__text {
    position: relative;
    max-width: 100%;
    height: auto;
    padding: 60px 20px 40px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .wd-business__title-line { font-size: 26px; }
  .wd-business__label { font-size: 12px; }
  .wd-business__grid {
    position: relative;
    right: auto;
    top: auto;
    height: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    flex-direction: unset;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.12);
  }
  .wd-business__card {
    width: auto;
    height: auto;
    align-items: flex-end;
    padding: 0 20px 28px;
    min-height: 180px;
    border-right: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .wd-business__card:nth-child(2n) {
    border-right: none;
  }
  .wd-business__card:nth-child(n+3) {
    border-bottom: none;
  }
  .wd-business__card-title { font-size: 18px; }
  .wd-business__card-en { font-size: 11px; }

  .wd-products__inner { padding: 60px 20px; }
  .wd-products__title { font-size: 28px; }
  .wd-products__header { margin-bottom: 40px; padding-bottom: 24px; }
  .wd-products__grid { grid-template-columns: 1fr; gap: 24px; }
  .wd-products__card:last-child { max-width: none; }
  .wd-products__card { padding: 28px 24px; }
  .wd-products__card-num { font-size: 36px; margin-bottom: 16px; }
  .wd-products__card-title { font-size: 20px; }

  /* Projects — mobile */
  .wd-projects { padding: 60px 0 40px; }
  .wd-projects__heading { margin-bottom: 28px; }
  .wd-projects__title { font-size: 26px; }
  .wd-projects__item { flex: 0 0 300px; padding-top: 60px; }
  .wd-projects__img-box { border-radius: 14px; }
  .wd-projects__capacity { font-size: 24px; left: 16px; bottom: 16px; }
  .wd-projects__capacity--active { font-size: 40px; }
  .wd-projects__text { padding: 20px 16px 0; }
  .wd-projects__text h4 { font-size: 18px; }
  .wd-projects__text p { font-size: 14px; }
  .wd-projects__prev, .wd-projects__next { width: 40px; height: 40px; }
  .wd-projects__cta { margin-top: 32px; padding: 14px 28px; font-size: 14px; }

  /* ESG — mobile */
  .wd-esg { padding: 60px 0; }
  .wd-esg__title-area { padding: 0 20px; }
  .wd-esg__label { font-size: 12px; }
  .wd-esg__item { padding: 32px 20px; }
  .wd-esg__item-tit { font-size: 26px; }
  .wd-esg__item-txt { font-size: 14px; margin-top: 16px; }

  .wd-cta { padding: 80px 0; }
  .wd-cta__inner { flex-direction: column; gap: 40px; text-align: center; padding: 0 20px; }
  .wd-cta__title { font-size: 26px; }
  .wd-cta__desc { font-size: 16px; }
  .wd-cta__buttons { flex-direction: column; align-items: center; }
  .wd-cta__btn { width: 100%; justify-content: center; padding: 14px 28px; font-size: 15px; }
  .wd-cta__contact { flex-direction: column; gap: 24px; align-items: center; }
  .wd-cta__contact-value { font-size: 20px; }

  .wd-business__card-desc { font-size: 12px; margin-top: 8px; }

  .wd-news { padding: 80px 0 100px; }
  .wd-news__cards { grid-template-columns: 1fr; }
  .wd-news__card { min-height: auto; padding: 28px 24px; }
  .wd-news__card-title { font-size: 20px; }
  .wd-news__header { flex-direction: row; align-items: center; gap: 16px; }
  .wd-news__title-main { font-size: 28px; }
}