@charset "utf-8";

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Pretendard", sans-serif;
  color: #1a1a1a;
  background: #fff;
}

img { 
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration: none;
}

.inner {
  width: 1600px;
  margin: 0 auto;
}

.badge {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 16px;
  border-radius: 999px;
  background: #F2F4F7;
  color: #1a1a1a;
  font-size: 16px;
  line-height: 1;
  font-weight: 400;
}

/* Hero */

.about-hero {
  padding: 200px 0 200px;
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 70px;
}

.hero-top h1 {
  font-family: "Montserrat", sans-serif;
  font-size: 110px;
  line-height: 100%;
  letter-spacing: -6%;

  flex-shrink: 0;
}

.hero-desc {
  width: 470px;
  margin-left: auto;
  margin-bottom: 10px;
}

.hero-top h1 .title-engineered {
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  font-weight: 700;
  color: #1a1a1a;
}

.hero-top h1 .title-clinical {
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  font-weight: 400;
  color: #333333;
}

.hero-top h1 .title-precision {
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  font-weight: 700;
  color: #3d3d3d;
}


.hero-desc p {
  color: #4d5c68;
  font-size: 18px;
  line-height: 150%;
  width: 470px;

}

.hero-visual {
  position: relative;
  height: 605px;
  border-radius: 16px;
  overflow: hidden;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0.2) 32%,
    rgba(0, 0, 0, 0.02) 70%
  );
}

.hero-stats {
  position: absolute;
  left: 130px;
  right: 110px;
  bottom: 70px;

  z-index: 2;

  display: flex;
  justify-content: space-between;

  border-top: 1px solid rgba(255, 255, 255, 0.35);
  padding-top: 56px;

  color: #fff;
}

.hero-stats > div {
  min-width: 220px;
}

.hero-stats strong {
  display: block;
  font-size: 60px;
  letter-spacing: -3%;
  font-weight: 400;
}

.hero-stats span {
  display: block;
  margin-top: 8px;
  font-size: 18px;

  font-family: "Pretendard", sans-serif;
  font-weight: 300;

  opacity: 0.7;
}




/* About Intro */

.about-intro {
  padding: 0 0 80px;
}

.intro-grid {
  display: grid;
  grid-template-columns: 560px 920px;
  justify-content: space-between;
}

.section-title h2 {
  width: 620px;
  margin-top: 34px;

  font-size: 64px;
  line-height: 110%;
  letter-spacing: -3%;
  font-weight: 500;
}

.section-title p {
  width: 392px;
  margin-top: 35px;
  color: #555;
  font-size: 14px;
  line-height: 1.65;
}

.intro-content img {
  height: 515px;
  border-radius: 16px;
  margin-bottom: 43px;
}

.intro-content > p {
  width: 900px;
  color: #333;
  font-size: 18px;
  line-height: 150%;
  letter-spacing: -1.5%;
  font-weight: 300;
}

.intro-content > p + p {
  margin-top: 28px;
}

.info-table {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 42px;
  border-top: 1px solid #d9d9d9;
}

.info-table dl {
  padding: 16px 0 38px;
  border-bottom: 1px solid #d9d9d9;
}

.info-table dl:last-child,
.info-table dl:nth-last-child(2) {
  border-bottom: none;
}

.info-table dt {
  margin-bottom: 8px;
  color: #999;
  font-size: 14px;
}

.info-table dd {
  color: #1a1a1a;
  font-size: 18px;
  font-weight: 300;
}




/* Principles */

.principles {
  padding: 100px 0 200px;
}

.center-title {
  text-align: center;
}

.center-title h2 {
  width: 720px;
  margin: 30px auto 20px;
  font-size: 64px;
  line-height: 110%;
  letter-spacing: -3%;
  font-weight: 500;
}

.center-title p {
  color: #555;
  font-size: 18px;
  letter-spacing: -1%;
}

.value-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 72px;
}

.value-card {
  height: 340px;
  padding: 60px 42px 40px;
  border-radius: 16px;
  background: #f4f5f8;
  text-align: center;
}

.value-card .icon {
  width: 82px;
  height: 82px;

  margin: 0 auto 34px;

  border-radius: 24px;
  overflow: hidden;

  background: #fff;

  display: flex;
  align-items: center;
  justify-content: center;
}

.value-card .icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.value-card h3 {
  margin-bottom: 14px;
  font-size: 20px;
  font-weight: 500;
}

.value-card p {
  font-size: 16px;
  line-height: 150%;
  letter-spacing: -1%;
  color: #555;
}




/* Products */

.products-preview {
  padding: 0 0 165px;
}

.products-head {
  margin-bottom: 60px;
}

.products-title h2 {
  margin-top: 30px;
  font-size: 64px;
  line-height: 100%;
  letter-spacing: -3%;
  font-weight: 500;
}

.products-head p {
  margin-top: 28px;
  color: #555;
  font-size: 18px;
  line-height: 1.65;
}

.product-slider {
  display: grid;
  grid-template-columns: 925px 145px 145px 145px 145px;
  gap: 16px;
  height: 485px;
}

.product-main,
.product-side {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
}

.product-main::after,
.product-side::after {
  content: "";
  position: absolute;
  inset: 0;

  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.89) 0%,
    rgba(0, 0, 0, 0.56) 38%, 
    rgba(0, 0, 0, 0.09) 72%
  );
}

.product-text {
  position: absolute;
  left: 38px;
  bottom: 38px;
  z-index: 2;
  color: #fff;
}

.product-count {
  font-size: 14px;
  opacity: 0.75;
}

.product-text h3 {
  margin: 28px 0 4px;
  font-size: 44px;
  letter-spacing: -3%;
  font-weight: 500;
}

.product-category {
  display: block;
  margin-bottom: 12px;
  font-size: 15px;
  opacity: 0.85;
}

.product-text p {
  width: 860px;
  font-size: 18px;
  line-height: 1.6;
  font-weight: 300;
  opacity: 0.85;
}

.product-text a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;

  margin-top: 30px;
  height: 45px;
  padding: 0 16px;

  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;

  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.22) 0%,
    rgba(255, 255, 255, 0.08) 100%
  );

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.35),
    0 8px 30px rgba(0, 0, 0, 0.12);

  color: #fff;

  font-size: 16px;
  font-weight: 500;
  line-height: 1;

  transition: all 0.3s ease;
}

.product-text a:hover {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.28) 0%,
    rgba(255, 255, 255, 0.12) 100%
  );

  transform: translateY(-2px);
}


.product-text a span {
  font-size: 16px;
  line-height: 1;
}


/*아코디언 구현*/

.product-slider {
  transition: grid-template-columns 0.45s ease;
}

.product-slider article {
  cursor: pointer;
}

.product-slider:has(article:nth-child(1):hover) {
  grid-template-columns: 925px 145px 145px 145px 145px;
}

.product-slider:has(article:nth-child(2):hover) {
  grid-template-columns: 145px 925px 145px 145px 145px;
}

.product-slider:has(article:nth-child(3):hover) {
  grid-template-columns: 145px 145px 925px 145px 145px;
}

.product-slider:has(article:nth-child(4):hover) {
  grid-template-columns: 145px 145px 145px 925px 145px;
}

.product-slider:has(article:nth-child(5):hover) {
  grid-template-columns: 145px 145px 145px 145px 925px;
}

.product-side .product-text {
  opacity: 0;
  visibility: hidden;
  transition: 0.3s ease;
}

.product-main .product-text {
  opacity: 1;
  visibility: visible;
  transition: 0.3s ease;
}

.product-slider:has(.product-side:hover) .product-main .product-text {
  opacity: 0;
  visibility: hidden;
}

.product-slider article:hover .product-text {
  opacity: 1;
  visibility: visible;
}

.product-slider article:not(:hover) .product-text {
  pointer-events: none;
}






/* Technology */

.technology {
  padding: 120px 0 190px;
}

.tech-grid {
  display: grid;
  grid-template-columns: 520px 860px;
  justify-content: space-between;
  align-items: start;
}

.technology .section-title h2 {
  width: 550px;
  margin-top: 30px;
  font-size: 64px;
  line-height: 110%;
  letter-spacing: -3%;
  font-weight: 500;
}

.technology .section-title p {
  width: 550px;
  margin-top: 20px;
  color: #656565;
  font-size: 18px;
  line-height: 150%;
  letter-spacing: -1%;
  font-weight: 400;
}

.tech-list {
  width: 830px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tech-list article {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 150px 90px;
  align-items: center;
  min-height: 150px;
  padding: 34px 34px;
  border: 1px solid #e5e5e5;
  border-radius: 16px;
  background: #fff;
}

.tech-list article > div span {
  display: block;
  margin-bottom: 14px;
  color: #A1A1A1;
  font-size: 13px;
  line-height: 1;
  font-weight: 400;
}

.tech-list article > div h3 {
  margin-bottom: 14px;
  color: #1a1a1a;
  font-size: 22px;
  line-height: 1;
  font-weight: 500;
}

.tech-list article > div p {
  width: 600px;
  color: #525252;
  font-size: 18px;
  line-height: 150%;
  font-weight: 400;
}

.tech-list strong {
  display: block;

  color: #1a1a1a;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 400;

  margin-bottom: 14px;
}

.tech-list em {
  display: block;
  width: 200px;

  color: #737373;
  font-size: 14px;
  letter-spacing: -1%;

  font-style: normal;
  font-weight: 400;
}


/* Vision */

.vision {
  padding: 115px 0 100px;
}

.vision-grid {
  display: grid;
  grid-template-columns: 560px 790px;
  justify-content: space-between;
  align-items: center;
}

.vision-text h2 {
  margin-top: 30px;
  font-size: 130px;
  line-height: 1;
  letter-spacing: -3%;
  font-weight: 400;
}

.vision-text p {
  width: 430px;
  margin-top: 20px;
  color: #555;
  font-size: 18px;
  line-height: 150%;
}

.vision-grid img {
  height: 400px;
  border-radius: 16px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 240px;
}

.timeline-item {
  position: relative;
  height: 42px;
  border-top: 4px solid #e7e7e7;
  text-align: center;
}

.timeline-item span {
  position: relative;
  top: -50px;
  color: #a5a5a5;
  font-size: 18px;
}

/*연도 호버 시 타임라인 강조*/

.timeline-item {
  cursor: pointer;
  transition: border-color 0.3s ease;
}

.timeline-item span {
  transition: color 0.3s ease;
}

/* 활성화 + 호버 */

.timeline-item.active,
.timeline-item:hover {
  border-top-color: #1a1a1a;
}

.timeline-item.active span,
.timeline-item:hover span {
  color: #1a1a1a;
}


/* 반응형 타임라인 */


/* Laptop 1440 기준 */
@media (min-width: 1280px) and (max-width: 1599px) {
  .inner {
    width: 1200px;
  }

  .about-hero {
    padding: 100px 0 140px;
  }

  .hero-top h1 {
    font-size: 88px;
  }

  .hero-desc,
  .hero-desc p {
    width: 420px;
  }

  .hero-visual {
    height: 520px;
  }

  .hero-stats {
    left: 90px;
    right: 90px;
  }

  .intro-grid {
    grid-template-columns: 420px 700px;
  }

  .section-title h2,
  .technology .section-title h2 {
    width: 460px;
    font-size: 52px;
  }

  .intro-content > p {
    width: 700px;
  }

  .intro-content img {
    height: 420px;
  }

  .product-slider {
    grid-template-columns: 696px repeat(4, 120px);
    gap: 16px;
    height: 430px;
  }

  .product-slider:has(article:nth-child(1):hover) {
    grid-template-columns: 696px repeat(4, 120px);
  }

  .product-slider:has(article:nth-child(2):hover) {
    grid-template-columns: 120px 696px 120px 120px 120px;
  }

  .product-slider:has(article:nth-child(3):hover) {
    grid-template-columns: 120px 120px 696px 120px 120px;
  }

  .product-slider:has(article:nth-child(4):hover) {
    grid-template-columns: 120px 120px 120px 696px 120px;
  }

  .product-slider:has(article:nth-child(5):hover) {
    grid-template-columns: 120px 120px 120px 120px 696px;
  }

  .product-text p {
    width: 640px;
  }

  .tech-grid {
    grid-template-columns: 420px 700px;
  }

  .technology .section-title p {
    width: 420px;
  }

  .tech-list {
    width: 700px;
  }

  .tech-list article {
    grid-template-columns: 1fr 170px;
  }

  .tech-list article > div p {
    width: 430px;
  }

  .vision-grid {
    grid-template-columns: 420px 650px;
  }

  .vision-grid img {
    height: 340px;
  }
}


/* Tablet 768 ~ 1279 */
@media (min-width: 768px) and (max-width: 1279px) {
  .inner {
    width: calc(100% - 64px);
  }

  .about-hero {
    padding: 80px 0 120px;
  }

  .hero-top {
    display: block;
    margin-bottom: 48px;
  }

  .hero-top h1 {
    font-size: clamp(64px, 8vw, 88px);
  }

  .hero-desc {
    width: 560px;
    margin: 36px 0 0;
  }

  .hero-desc p {
    width: 560px;
  }

  .hero-visual {
    height: 420px;
  }

  .hero-stats {
    left: 48px;
    right: 48px;
    bottom: 48px;
  }

  .hero-stats strong {
    font-size: 42px;
  }

  .hero-stats span {
    font-size: 14px;
  }

  .intro-grid,
  .tech-grid,
  .vision-grid {
    display: block;
  }

  .section-title h2,
  .products-title h2,
  .technology .section-title h2 {
    width: 100%;
    font-size: 48px;
  }

  .section-title p,
  .technology .section-title p {
    width: 560px;
  }

  .intro-content,
  .tech-list {
    margin-top: 48px;
  }

  .intro-content img {
    height: 360px;
  }

  .intro-content > p {
    width: 100%;
  }

  .value-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-slider {
    display: flex;
    gap: 16px;
    width: 100vw;
    height: 420px;
    margin-left: calc((100% - 100vw) / 2);
    padding: 0 32px;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
  }

  .product-slider::-webkit-scrollbar {
    display: none;
  }

  .product-slider article,
  .product-main,
  .product-side {
    flex: 0 0 320px;
    width: 320px;
    height: 420px;
  }

  .product-slider .product-text,
  .product-main .product-text,
  .product-side .product-text {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  .product-text {
    left: 24px;
    right: 24px;
    bottom: 28px;
  }

  .product-text p {
    width: 100%;
    font-size: 14px;
  }

  .tech-list {
    width: 100%;
  }

  .tech-list article {
    grid-template-columns: 1fr 190px;
  }

  .tech-list article > div p {
    width: 480px;
  }

  .vision-text p {
    width: 560px;
  }

  .vision-grid img {
    width: 100%;
    height: 360px;
    margin-top: 48px;
  }

  .timeline {
    margin-top: 120px;
  }
}


/* Mobile 375 */

@media (max-width: 767px) {
  .inner {
    width: 343px;
    margin: 0 auto;
  }

  .badge {
    height: 26px;
    padding: 0 16px;
    font-size: 13px;
  }

  /* Hero */
  .about-hero {
    padding: 120px 0 72px;
  }

  .hero-top {
    display: block;
    margin-bottom: 34px;
  }

  .hero-top h1 {
    font-size: 44px;
    line-height: 0.9;
    letter-spacing: -0.06em;
  }

  .hero-desc {
    width: 100%;
    margin: 18px 0 0;
  }

  .hero-desc p {
    width: 100%;
    font-size: 16px;
    line-height: 1.55;
  }

  .hero-visual {
  position: relative;

  width: 343px;
  height: 300px;

  border-radius: 28px;
  overflow: hidden;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
}

.hero-visual img {
  width: 100%;
  height: 100%;

  object-fit: cover;

  transform: scale(1.02);

  object-position: 87% 42%;
}

  .hero-stats {
    left: 20px;
    right: 20px;
    bottom: 16px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    row-gap: 12px;
    column-gap: 14px;
    padding-top: 14px;
  }

  .hero-stats > div {
    min-width: 0;
    text-align: center;
  }

  .hero-stats strong {
    font-size: 22px;
  }

  .hero-stats span {
    margin-top: 2px;
    font-size: 13px;
  }

  /* About */
  .about-intro {
    padding: 0 0 70px;
  }

  .intro-grid {
    display: block;
  }

  .section-title h2 {
    width: 100%;
    margin-top: 18px;
    font-size: 32px;
    line-height: 1.1;
  }

  .intro-content {
    margin-top: 28px;
  }

  .intro-content img {
    height: 220px;
    margin-bottom: 24px;
    border-radius: 8px;
  }

  .intro-content > p {
    width: 100%;
    font-size: 16px;
    line-height: 1.6;
  }

  .intro-content > p + p {
    margin-top: 24px;
  }

  .info-table {
    margin-top: 24px;
    grid-template-columns: repeat(2, 1fr);
  }

  .info-table dl {
    padding: 14px 0 24px;
  }

  .info-table dt {
  margin-bottom: 6px;
  }

  .info-table dd {
    font-size: 14px;
  }



  /* Principles */
  @media (max-width: 767px) {
  .center-title h2 br {
    display: none;
  }
  }
  .principles {
    padding: 70px 0 80px;
  }

  .center-title h2 {
    width: 100%;
    margin: 20px auto 16px;
    font-size: 32px;
    line-height: 1.12;
  }

  .center-title p {
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: -2%;
  }

  .value-list {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 32px;
  }

  .value-card {
    height: 258px;
    padding: 40px 28px;
  }

  .value-card .icon {
    width: 60px;
    height: 60px;
    margin-bottom: 22px;
    border-radius: 14px;
  }

  .value-card .icon img {
    width: 30px;
    height: 30px;
  }

  .value-card h3 {
    font-size: 16px;
  }

  .value-card p {
    font-size: 14px;
    line-height: 1.45;
  }

/* Products */
.products-preview {
  padding: 0 0 90px;
}

.products-head {
  margin-bottom: 28px;
}

.products-title h2 {
  margin-top: 18px;
  font-size: 32px;
  line-height: 1.12;
}

.products-head p {
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.5;
}

.product-slider {
  display: flex;
  gap: 12px;

  width: 100vw;
  height: 400px;

  margin-left: calc((343px - 100vw) / 2);

  overflow-x: auto;
  overflow-y: hidden;

  padding: 0 16px;

  scrollbar-width: none;
  -ms-overflow-style: none;

  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

.product-slider::-webkit-scrollbar {
  display: none;
}

.product-slider article,
.product-main,
.product-side {
  flex: 0 0 300px;
  width: 300px;
  height: 400px;

  position: relative;
  overflow: hidden;

  border-radius: 16px;
}

.product-slider img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 모바일에서는 텍스트 항상 보이게 */
.product-slider .product-text,
.product-main .product-text,
.product-side .product-text {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;

  position: absolute;
  z-index: 3;
}

.product-text {
  left: 20px;
  right: 20px;
  bottom: 22px;
}

.product-count {
  font-size: 13px;
  opacity: 0.75;
}

.product-text h3 {
  margin: 12px 0 8px;

  font-size: 24px;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.product-category {
  margin-bottom: 10px;

  font-size: 13px;
  line-height: 1.4;
}

.product-text p {
  width: 100%;

  font-size: 13px;
  line-height: 1.45;

  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;

  overflow: hidden;
  text-overflow: ellipsis;
}

.product-text a {
  height: 42px;
  margin-top: 18px;
  padding: 0 18px;

  gap: 8px;

  font-size: 13px;
}

.product-text a span {
  font-size: 14px;
}



  /* Technology */


  .technology {
    padding: 80px 0 90px;
  }

  .tech-grid {
    display: block;
  }

  .technology .section-title h2 br {
  display: none;
  }

  .technology .section-title h2 {
    width: 100%;
    margin-top: 18px;
    font-size: 32px;
    line-height: 1.12;
  }

  .technology .section-title p {
  width: 343px;

  margin-top: 18px;

  font-size: 16px;
  line-height: 1.55;
  letter-spacing: -0.02em;

  word-break: keep-all;
  }

  .technology .section-title p br {
  display: none;
  }

  .tech-list {
  width: 100%;
  margin-top: 34px;
  gap: 24px;
}

.tech-list article {
  display: block;
  width: 343px;
  min-height: 256px;
  padding: 32px 28px;
  border-radius: 16px;
}

.tech-list article > div p br {
  display: none;
}

.tech-list article > div span {
  font-size: 13px;
  margin-bottom: 18px;
}

.tech-list article > div h3 {
  font-size: 20px;
  margin-bottom: 18px;
}

.tech-list article > div p {
  width: 100%;
  font-size: 14px;
  line-height: 1.5;
}

.tech-right {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  margin-top: 38px;
}

.tech-list strong {
  font-size: 28px;
  line-height: 1;
  margin-bottom: 0;
}

.tech-list em {
  width: auto;
  font-size: 13px;
  line-height: 1.2;
}

  /* Vision */
  .vision {
    padding: 80px 0 70px;
  }

  .vision-grid {
    display: block;
  }

  .vision-text h2 {
    margin-top: 22px;
    font-size: 64px;
  }

  .vision-text p {
    width: 100%;
    margin-top: 18px;
    font-size: 16px;
    line-height: 1.55;
  }

  .vision-grid img {
    width: 100%;
    height: 220px;
    margin-top: 38px;
    border-radius: 12px;
  }

  .timeline {
    gap: 12px;
    margin-top: 80px;
  }

  .timeline-item {
    height: 30px;
    border-top-width: 2px;
  }

  .timeline-item span {
    top: -28px;
    font-size: 13px;
  }
}