@charset "utf-8";
/* =========================================================
   메인 페이지
   ========================================================= */

.sec { padding: 150px 0; }
.sec-head { margin-bottom: 60px; }
.sec-head--row { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; }
.sec-title { font-size: 60px; font-weight: 800; line-height: 1.15; letter-spacing: -.02em; color: var(--c-text); }
.sec-desc { margin-top: 18px; font-size: 19px; color: var(--c-text-2); line-height: 1.6; }

/* ---------- 메인 비주얼 ---------- */
.mv { position: relative; height: 100vh; min-height: 640px; max-height: 1100px; background: #0b1424; overflow: hidden; color: #fff; }
.mv__slider, .mv__slide { height: 100%; }
.mv__bg { position: absolute; inset: 0; }
.mv__bg img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); transition: transform 7s linear; }
.mv__slide.swiper-slide-active .mv__bg img { transform: scale(1); }
.mv__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,15,35,.55) 0%, rgba(5,15,35,.15) 55%, rgba(5,15,35,0)), linear-gradient(0deg, rgba(0,0,0,.3), transparent 35%); }
.mv__txt { position: relative; z-index: 2; text-shadow: 0 2px 24px rgba(0,0,0,.45); display: flex; flex-direction: column; justify-content: center; height: 100%; padding-top: var(--header-h); }
.mv__title { max-width: 900px; font-size: 84px; font-weight: 800; line-height: 1.1; letter-spacing: -.02em; opacity: 0; transform: translateY(50px); transition: 1s var(--ease) .3s; }
.mv__sub { margin-top: 28px; font-size: 24px; font-weight: 500; opacity: 0; transform: translateY(40px); transition: 1s var(--ease) .55s; }
.mv__link { display: inline-flex; align-items: center; gap: 12px; align-self: flex-start; margin-top: 40px; padding: 14px 28px; border: 1px solid rgba(255,255,255,.6); border-radius: 30px; font-weight: 600; opacity: 0; transition: 1s var(--ease) .75s, background .3s, color .3s; }
.mv__link:hover { background: #fff; color: var(--c-primary); }
.swiper-slide-active .mv__title, .swiper-slide-active .mv__sub { opacity: 1; transform: none; }
.swiper-slide-active .mv__link { opacity: 1; }
.mv__ctrl { position: absolute; left: 0; right: 0; bottom: 90px; z-index: 5; display: flex; align-items: center; gap: 10px; }
.mv__count { display: flex; align-items: center; gap: 16px; margin-right: 20px; font-size: 16px; font-weight: 600; }
.mv__total { opacity: .6; }
.mv__bar { position: relative; width: 200px; height: 2px; background: rgba(255,255,255,.3); overflow: hidden; }
.mv__bar i { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: #fff; }
.mv__bar i.is-run { width: 100%; transition: width var(--mv-delay, 6s) linear; }
.mv__arrow { width: 50px; height: 50px; border: 1px solid rgba(255,255,255,.4); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: .3s; }
.mv__arrow:hover { background: #fff; color: var(--c-primary); }
.mv__arrow .ico { width: 22px; height: 22px; }
.mv__scroll { position: absolute; right: 60px; bottom: 60px; z-index: 5; display: flex; flex-direction: column; align-items: center; gap: 12px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; writing-mode: vertical-rl; }
.mv__scroll i { position: relative; width: 1px; height: 70px; background: rgba(255,255,255,.3); overflow: hidden; }
.mv__scroll i::after { content: ""; position: absolute; left: 0; top: -100%; width: 100%; height: 100%; background: #fff; animation: scrollLine 2s infinite; }
@keyframes scrollLine { to { top: 100%; } }

/* ---------- Business ---------- */
.business__list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.business__item a { position: relative; display: block; height: 520px; border-radius: var(--radius); overflow: hidden; color: #fff; }
.business__img, .business__img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.business__img img { transition: transform 1s var(--ease); }
.business__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(6,20,45,.85) 0%, rgba(6,20,45,.15) 55%, rgba(6,20,45,.05)); transition: .4s; }
.business__txt { position: absolute; left: 0; right: 0; bottom: 0; padding: 36px 32px; }
.business__txt em { display: block; font-style: normal; font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--c-point); margin-bottom: 8px; }
.business__txt strong { display: block; font-size: 26px; font-weight: 700; }
.business__txt p { max-height: 0; overflow: hidden; opacity: 0; font-size: 15px; color: rgba(255,255,255,.85); transition: .5s var(--ease); }
.business__more { position: absolute; right: 30px; top: -10px; width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(255,255,255,.5); display: flex; align-items: center; justify-content: center; transform: translateY(-100%); transition: .4s; }
.business__more .ico { width: 20px; height: 20px; }
.business__item a:hover .business__img img { transform: scale(1.08); }
.business__item a:hover .business__img::after { background: linear-gradient(0deg, rgba(11,63,138,.92) 0%, rgba(11,63,138,.4) 70%, rgba(11,63,138,.2)); }
.business__item a:hover .business__txt p { max-height: 80px; opacity: 1; margin-top: 12px; }
.business__item a:hover .business__more { background: #fff; color: var(--c-primary); }

/* ---------- Products ---------- */
.products { background: var(--c-bg); overflow: hidden; }
.products__tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.products__tab { height: 48px; padding: 0 24px; border-radius: 24px; border: 1px solid #cfd5df; background: #fff; font-size: 16px; font-weight: 600; color: var(--c-text-2); transition: .3s; }
.products__tab:hover { color: var(--c-primary); border-color: var(--c-primary); }
.products__tab.is-active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.products__panel { display: none; }
.products__panel.is-active { display: block; animation: fadeUp .6s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
.products__slider { overflow: visible; }
.product-card { display: block; padding: 26px 26px 30px; background: #fff; border-radius: var(--radius); transition: .35s var(--ease); height: 100%; }
.product-card:hover { transform: translateY(-8px); box-shadow: 0 24px 40px rgba(12,26,46,.1); }
.product-card__img { display: block; aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden; background: #e9edf3; margin-bottom: 22px; }
.product-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.product-card:hover .product-card__img img { transform: scale(1.06); }
.product-card__cate { display: block; font-size: 13px; font-weight: 600; color: var(--c-point-dark); margin-bottom: 6px; }
.product-card__title { display: block; font-size: 21px; font-weight: 700; line-height: 1.4; }
.product-card__sub { display: block; margin-top: 6px; font-size: 14px; color: var(--c-text-3); }
.slider-nav { display: flex; align-items: center; gap: 10px; margin-top: 40px; }
.slider-nav .btn-more { margin-left: auto; }
.slider-nav__btn { width: 50px; height: 50px; border-radius: 50%; border: 1px solid #cfd5df; display: flex; align-items: center; justify-content: center; background: #fff; transition: .3s; }
.slider-nav__btn:hover { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.slider-nav__btn.swiper-button-disabled { opacity: .35; pointer-events: none; }
.slider-nav__btn .ico { width: 22px; height: 22px; }
.slider-nav--white .slider-nav__btn { background: transparent; border-color: rgba(255,255,255,.4); color: #fff; }
.slider-nav--white .slider-nav__btn:hover { background: #fff; color: var(--c-primary); }

/* ---------- Projects ---------- */
.projects { position: relative; color: #fff; overflow: hidden; background: var(--c-navy); }
.projects__bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .35; }
.projects__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--c-navy) 20%, rgba(12,26,46,.5)); }
.projects__inner { position: relative; display: flex; gap: 60px; }
.projects__head { flex: 0 0 360px; }
.projects .sec-title { color: #fff; }
.projects .sec-desc { color: rgba(255,255,255,.75); margin-bottom: 40px; }
.projects__head .slider-nav { margin-top: 60px; }
.projects__slider { flex: 1; min-width: 0; overflow: visible; }
.project-card { display: block; position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 4; }
.project-card__img, .project-card__img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.project-card__img img { transition: transform 1s var(--ease); }
.project-card__img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.75), transparent 55%); }
.project-card__txt { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px; }
.project-card__txt strong { display: block; font-size: 22px; line-height: 1.4; font-weight: 700; }
.project-card__txt span { display: flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 14px; color: rgba(255,255,255,.8); }
.project-card:hover .project-card__img img { transform: scale(1.08); }
.projects__slider .swiper-slide { opacity: .45; transition: opacity .5s; }
.projects__slider .swiper-slide-active, .projects__slider .swiper-slide-active + .swiper-slide, .projects__slider .swiper-slide-active + .swiper-slide + .swiper-slide { opacity: 1; }

/* ---------- News Room ---------- */
.news__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: auto auto; gap: 24px; }
.news-card { display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--c-line); transition: .35s var(--ease); }
.news-card:hover { box-shadow: 0 24px 40px rgba(12,26,46,.1); transform: translateY(-6px); }
.news-card--big { grid-row: span 2; }
.news-card__img { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--c-bg); }
.news-card--big .news-card__img { aspect-ratio: auto; flex: 1; min-height: 300px; position: relative; }
.news-card--big .news-card__img img { position: absolute; inset: 0; }
.news-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.news-card:hover .news-card__img img { transform: scale(1.06); }
.news-card__txt { display: block; padding: 24px 26px 26px; }
.news-card__txt strong { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 18px; line-height: 1.5; font-weight: 700; }
.news-card--big .news-card__txt { padding: 32px 34px 36px; }
.news-card--big .news-card__txt strong { font-size: 24px; }
.news-card__txt p { margin-top: 12px; font-size: 15px; color: var(--c-text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__txt em { display: block; margin-top: 14px; font-style: normal; font-size: 14px; color: var(--c-text-3); }

/* ---------- Why ---------- */
.why { position: relative; color: #fff; background: var(--c-primary-dark); overflow: hidden; }
.why::before { content: ""; position: absolute; inset: 0; background: var(--why-bg) center / cover no-repeat; opacity: .25; }
.why::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,42,94,.6), rgba(6,42,94,.95)); }
.why .inner { position: relative; z-index: 1; }
.why .sec-head { text-align: center; }
.why .sec-title { color: #fff; }
.why .sec-desc { color: rgba(255,255,255,.8); }
.why__list { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.2); }
.why__item { position: relative; padding: 50px 34px 20px; border-right: 1px solid rgba(255,255,255,.15); }
.why__item:last-child { border-right: 0; }
.why__num { position: absolute; right: 30px; top: 40px; font-size: 15px; font-weight: 700; color: var(--c-point); }
.why__icon { display: flex; align-items: center; justify-content: center; width: 70px; height: 70px; border-radius: 50%; background: rgba(255,255,255,.1); margin-bottom: 30px; }
.why__icon .ico { width: 34px; height: 34px; }
.why__icon img { width: 38px; height: 38px; object-fit: contain; }
.why__item strong { display: block; font-size: 22px; font-weight: 700; margin-bottom: 14px; }
.why__item p { font-size: 15px; line-height: 1.75; color: rgba(255,255,255,.75); }

/* ---------- PR Video ---------- */
.pr-video { position: relative; height: 640px; color: #fff; overflow: hidden; margin-bottom: 120px; }
.pr-video__bg, .pr-video__bg img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pr-video__bg::after { content: ""; position: absolute; inset: 0; background: rgba(5,15,35,.5); }
.pr-video__txt { position: relative; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.pr-video__sub { font-size: 20px; color: rgba(255,255,255,.85); }
.pr-video__title { margin-top: 10px; font-size: 56px; font-weight: 800; line-height: 1.2; }
.pr-video__play { position: relative; margin-top: 44px; width: 110px; height: 110px; border-radius: 50%; background: var(--c-point); color: #fff; display: flex; align-items: center; justify-content: center; transition: .3s; }
.pr-video__play::before { content: ""; position: absolute; inset: -14px; border-radius: 50%; border: 1px solid rgba(255,255,255,.4); animation: pulse 2s infinite; }
@keyframes pulse { from { transform: scale(.9); opacity: 1; } to { transform: scale(1.3); opacity: 0; } }
.pr-video__play:hover { transform: scale(1.06); background: #fff; color: var(--c-point); }
.pr-video__play .ico { width: 36px; height: 36px; margin-left: 6px; }

/* =========================================================
   반응형
   ========================================================= */
@media (max-width: 1400px) {
  .sec-title { font-size: 52px; }
  .mv__title { font-size: 70px; }
  .business__item a { height: 460px; }
}
@media (max-width: 1024px) {
  .sec { padding: 100px 0; }
  .sec-title { font-size: 44px; }
  .sec-desc { font-size: 17px; }
  .sec-head--row { flex-direction: column; align-items: flex-start; }
  .mv__title { font-size: 54px; }
  .mv__sub { font-size: 20px; }
  .mv__scroll { display: none; }
  .business__list { grid-template-columns: repeat(2, 1fr); }
  .business__item a { height: 380px; }
  .business__txt p { max-height: none; opacity: 1; margin-top: 10px; }
  .projects__inner { flex-direction: column; gap: 40px; }
  .projects__head { flex: none; }
  .projects__slider { flex: none; width: 100%; }
  .projects__head .slider-nav { margin-top: 30px; }
  .news__grid { grid-template-columns: 1fr 1fr; }
  .news-card--big { grid-column: span 2; grid-row: auto; }
  .news-card--big .news-card__img { aspect-ratio: 16 / 8; min-height: 0; flex: none; }
  .why__list { grid-template-columns: repeat(2, 1fr); }
  .why__item:nth-child(2) { border-right: 0; }
  .why__item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.15); }
  .pr-video { height: 480px; margin-bottom: 80px; }
  .pr-video__title { font-size: 40px; }
}
@media (max-width: 767px) {
  .sec { padding: 72px 0; }
  .sec-head { margin-bottom: 32px; }
  .sec-title { font-size: 34px; }
  .sec-desc { font-size: 15px; margin-top: 12px; }
  .sec-desc br { display: none; }
  .mv { height: 100svh; min-height: 560px; }
  .mv__title { font-size: 36px; }
  .mv__sub { font-size: 16px; margin-top: 16px; }
  .mv__link { margin-top: 26px; padding: 11px 22px; font-size: 14px; }
  .mv__ctrl { bottom: 40px; }
  .mv__bar { width: 80px; }
  .mv__arrow { width: 42px; height: 42px; }
  .business__list { grid-template-columns: 1fr; gap: 12px; }
  .business__item a { height: 260px; }
  .business__txt { padding: 24px; }
  .business__txt strong { font-size: 22px; }
  .business__more { right: 20px; width: 40px; height: 40px; }
  .products__tabs { gap: 6px; }
  .products__tab { height: 40px; padding: 0 16px; font-size: 14px; }
  .product-card { padding: 18px 18px 22px; }
  .product-card__title { font-size: 18px; }
  .slider-nav { margin-top: 24px; }
  .slider-nav__btn { width: 42px; height: 42px; }
  .project-card__txt { padding: 22px; }
  .project-card__txt strong { font-size: 18px; }
  .news__grid { grid-template-columns: 1fr; gap: 14px; }
  .news-card--big { grid-column: auto; }
  .news-card { flex-direction: row; }
  .news-card .news-card__img { width: 120px; flex: none; aspect-ratio: 1; }
  .news-card--big { flex-direction: column; }
  .news-card--big .news-card__img { width: 100%; aspect-ratio: 16 / 9; }
  .news-card__txt { padding: 16px 18px; }
  .news-card__txt strong { font-size: 15px; }
  .news-card--big .news-card__txt { padding: 22px; }
  .news-card--big .news-card__txt strong { font-size: 19px; }
  .why__list { grid-template-columns: 1fr; }
  .why__item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.15); padding: 32px 4px; }
  .why__icon { width: 56px; height: 56px; margin-bottom: 18px; }
  .why__item strong { font-size: 19px; }
  .pr-video { height: 380px; margin-bottom: 60px; }
  .pr-video__title { font-size: 28px; }
  .pr-video__sub { font-size: 15px; }
  .pr-video__play { width: 76px; height: 76px; margin-top: 30px; }
  .pr-video__play .ico { width: 26px; height: 26px; }
}