/* ==========================================================================
   Fonts - Pretendard (local)
   ========================================================================== */
@import url('./icon/xeicon.min.css');

@font-face {
  font-family: 'Pretendard';
  font-weight: 300;
  font-style: normal;
  font-display: swap;
  src: url('./font/Pretendard-Light.woff2') format('woff2');
}

@font-face {
  font-family: 'Pretendard';
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url('./font/Pretendard-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'Pretendard';
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  src: url('./font/Pretendard-Bold.woff2') format('woff2');
}

@font-face {
  font-family: 'Pretendard';
  font-weight: 800;
  font-style: normal;
  font-display: swap;
  src: url('./font/Pretendard-ExtraBold.woff2') format('woff2');
}

@font-face {
  font-family: 'Pretendard';
  font-weight: 900;
  font-style: normal;
  font-display: swap;
  src: url('./font/Pretendard-Black.woff2') format('woff2');
}

/* ==========================================================================
   Base & Variables
   ========================================================================== */
:root {
  --color-primary: #0075ef;
  --color-dark: #111;
  --color-mid: #444;
  --color-border: #ddd;
  --color-border-dark: #111;
  --color-bg-light: #f8f7f7;
  --color-white: #fff;
  --font-pretendard: 'Pretendard', sans-serif;
  --font-play: 'Play', sans-serif;
  --font-poppins: 'Poppins', sans-serif;
  --max-width: 1600px;
  --header-height: 84px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-pretendard);
  color: var(--color-dark);
  background: var(--color-white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

address {
  font-style: normal;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  font-family: inherit;
}

/* ==========================================================================
   Common
   ========================================================================== */
.section-header-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 60px;
}

.section-label {
  font-family: var(--font-play);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.section-label--white {
  color: var(--color-white);
}

.section-title {
  font-family: var(--font-pretendard);
  font-weight: 700;
  font-size: clamp(28px, 3.5vw, 50px);
  line-height: 1.6;
  color: var(--color-dark);
  text-align: center;
  margin: 0;
  word-break: keep-all;
}

/* Buttons */
.btn {
  --btn-fill: var(--color-dark);
  --btn-color: var(--color-dark);
  --btn-color-hover: var(--color-white);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 17px 40px;
  border-radius: 5px;
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
  color: var(--btn-color);
  background: transparent;
  transition: color 0.35s ease, border-color 0.35s ease, background-color 0.35s ease;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--btn-fill);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:hover {
  color: var(--btn-color-hover);
}

.btn:hover::before {
  transform: scaleX(1);
}

.btn > * {
  position: relative;
  z-index: 1;
}

.btn--outline,
.btn--outline-dark {
  border: 1px solid var(--color-dark);
  --btn-fill: var(--color-dark);
  --btn-color: var(--color-dark);
  --btn-color-hover: var(--color-white);
  font-family: var(--font-play);
}

.btn--outline:hover,
.btn--outline-dark:hover {
  border-color: var(--color-dark);
}

.btn--glass {
  border: 1px solid rgba(255,255,255,0.8);
  --btn-fill: var(--color-white);
  --btn-color: var(--color-white);
  --btn-color-hover: var(--color-dark);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(5px);
  font-family: var(--font-poppins);
  font-weight: 500;
  font-size: 16px;
  text-transform: none;
}

.btn--glass:hover {
  border-color: var(--color-white);
  background: transparent;
}

.btn .xi-long-arrow-right {
  font-size: 18px;
  line-height: 1;
  flex-shrink: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  overflow: visible;
  z-index: 100;
  transition: background 0.3s;
}

.site-header.is-scrolled {
  background: rgba(0, 0, 0, 0.85);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 50px;
  max-width: 1920px;
  margin: 0 auto;
}

.header-logo {
  display: block;
  flex-shrink: 0;
}

.header-logo img {
  height: 24px;
  width: auto;
}

.main-nav {
  position: relative;
  z-index: 20;
}

.main-nav > ul {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.main-nav > ul > li {
  position: relative;
  padding: 10px;
}

.main-nav > ul > li > a {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: var(--font-pretendard);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-white);
  white-space: nowrap;
  padding: 0 48px;
  height: 48px;
  min-width: 170px;
  border: 1px solid transparent;
  border-radius: 10px;
  z-index: 11;
  transition: color 0.3s ease-in-out, padding 0.3s ease-in-out, border-color 0.3s ease-in-out;
}

.main-nav a:hover {
  opacity: 1;
}

.main-nav > ul > li.has_sub > a::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 20px;
  width: 12px;
  height: 8px;
  margin-top: -4px;
  background-color: transparent;
  mask-size: 100% 100%;
  -webkit-mask-size: 100% 100%;
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-position: center;
  mask-image: url("/front/assets/img/common/ico_gnb_pc_arrow.svg");
  -webkit-mask-image: url("/front/assets/img/common/ico_gnb_pc_arrow.svg");
}

.main-nav > ul > li.has_sub:hover > a {
  padding: 0 50px 0 20px;
  border-color: #fff;
  justify-content: flex-start;
}

.main-nav > ul > li.has_sub:hover > a::after {
  background-color: currentColor;
}

.main-nav .depth2 {
  display: block;
  position: absolute;
  top: 100%;
  left: -1px;
  z-index: 0;
  width: 100%;
  height: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.main-nav .depth2::before {
  content: "";
  position: absolute;
  top: -70px;
  right: 0;
  bottom: -10px;
  left: 0;
  border-radius: 10px;
  border: 1px solid transparent;
  background-color: rgba(0, 0, 0, 0.6);
}

.main-nav .depth2 li {
  position: relative;
  z-index: 1;
}

.main-nav .depth2 a {
  position: relative;
  display: block;
  padding: 12px 31px;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  color: #fff;
  word-break: keep-all;
  pointer-events: auto;
}

.main-nav .depth2 a:hover {
  font-weight: 700;
  opacity: 1;
}

.main-nav > ul > li.has_sub:hover .depth2 {
  z-index: 10;
  height: auto;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.main-nav > ul > li.has_sub:hover .depth2::before {
  border-color: #fff;
}

.main-nav .nav_depth2 {
  display: none;
}

.mobile-nav-sub {
  padding: 0 0 8px;
}

.mobile-nav-sub a {
  padding-left: 46px;
  font-weight: 500;
  font-size: 14px;
  opacity: 0.85;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 50px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  padding: 6px;
}

.lang-btn {
  width: 36px;
  height: 36px;
  border-radius: 100px;
  font-family: var(--font-play);
  font-weight: 700;
  font-size: 15px;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-btn.is-active {
  background: var(--color-white);
  color: var(--color-dark);
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 30px;
  height: 30px;
  justify-content: center;
  cursor: pointer;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: rgba(0,0,0,0.95);
  z-index: 99;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.mobile-nav.is-open {
  max-height: 80vh;
  overflow-y: auto;
}

.mobile-nav ul {
  padding: 20px 0;
}

.mobile-nav li a {
  display: block;
  padding: 16px 30px;
  font-family: var(--font-pretendard);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-white);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0,0,0,0.5) 0%, rgba(0,0,0,0) 60%),
              linear-gradient(90deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.1) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 100px;
  max-width: 1920px;
  width: 100%;
}

.hero-title {
  font-family: var(--font-play);
  font-weight: 700;
  font-size: clamp(48px, 9vw, 140px);
  line-height: 1.1;
  color: var(--color-white);
  text-transform: uppercase;
  margin: 0 0 30px;
  display: flex;
  flex-direction: column;
}

.hero-sub {
  font-family: var(--font-play);
  font-weight: 400;
  font-size: clamp(20px, 2.5vw, 40px);
  color: var(--color-white);
  margin: 0;
  text-transform: none;
}

/* ==========================================================================
   Product Section (sec01)
   ========================================================================== */
.sec-product {
  padding-top: 150px;
  overflow: hidden;
}

.product-row {
  display: flex;
  align-items: stretch;
  width: 100%;
  margin-top: 50px;
}

.product-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex: 1 1 0;
  min-width: 0;
  min-height: 850px;
  background: var(--color-bg-light);
  border-right: 1px solid #eee;
  cursor: pointer;
  transition: flex 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:last-child {
  border-right: none;
}

.product-card.is-open {
  flex: 0 0 62.5%;
  cursor: default;
}

.product-card.is-open[data-product="biograb"],
.product-card.is-open[data-product="noncovered"] {
  background: #ededec;
}

.product-card__bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.product-card.is-open .product-card__bg {
  opacity: 1;
}

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

.product-card.is-open[data-product="biograb"] .product-card__bg img,
.product-card.is-open[data-product="noncovered"] .product-card__bg img {
  object-fit: contain;
  object-position: center 35%;
  padding: 60px 80px 180px;
}

.product-card__preview {
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.35s ease;
}

.product-card.is-open .product-card__preview {
  position: absolute;
  inset: 0;
  height: auto;
  opacity: 0;
  pointer-events: none;
  padding: 0;
}

.product-card__preview img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
  margin: 0 auto;
}

.product-card.is-open .product-card__preview img {
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: cover;
}

.product-card__body {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 50px;
  align-items: center;
  justify-content: center;
  padding: 50px 40px 100px;
  height: auto;
  flex: 1;
  transition: padding 0.45s ease, align-items 0.45s ease;
}

.product-card.is-open .product-card__body {
  position: absolute;
  inset: 0;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 100px;
  height: auto;
  flex: none;
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  text-align: center;
  transition: align-items 0.45s ease;
}

.product-card.is-open .product-info {
  align-items: flex-start;
  text-align: left;
}

.product-brand-img {
  height: 17px;
  width: auto;
  object-fit: contain;
}

.product-name {
  font-family: var(--font-pretendard);
  font-weight: 700;
  font-size: clamp(28px, 3vw, 46px);
  color: var(--color-dark);
  margin: 0;
  line-height: 1;
}

.product-desc {
  font-family: var(--font-pretendard);
  font-weight: 400;
  font-size: clamp(16px, 1.5vw, 22px);
  color: var(--color-dark);
  line-height: 1.6;
  margin: 0;
  word-break: keep-all;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: opacity 0.35s ease, max-height 0.45s ease;
}

.product-card.is-open .product-desc {
  max-height: 120px;
  opacity: 1;
}

.product-card .btn {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
  border-width: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, max-height 0.45s ease, padding 0.45s ease;
}

.product-card.is-open .btn {
  max-height: 60px;
  opacity: 1;
  padding: 17px 40px;
  border-width: 1px;
  pointer-events: auto;
}

.product-label {
  font-family: var(--font-play);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
  text-transform: uppercase;
}

/* ==========================================================================
   Technology Section (sec02)
   ========================================================================== */
.sec-technology {
  padding-top: 150px;
  overflow: hidden;
}

.tech-slider-wrap {
  position: relative;
  margin-top: 50px;
  width: 100%;
  overflow: visible;
}

.tech-swiper {
  width: 100%;
  overflow: visible;
}

.tech-swiper .swiper-wrapper {
  align-items: stretch;
}

.tech-swiper .swiper-slide {
  width: min(var(--max-width), calc(100% - 160px));
  height: auto;
}

.tech-card {
  position: relative;
  height: 700px;
  border-radius: 20px;
  overflow: hidden;
  width: 100%;
  margin: 0;
}

.tech-card__bg {
  position: absolute;
  inset: 0;
}

.tech-card__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
}

.tech-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0,0,0,0.3) 0%, rgba(0,0,0,0) 47%);
  border-radius: 20px;
}

.tech-card__content {
  position: relative;
  z-index: 2;
  padding: 100px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 60px;
  height: 100%;
  flex-direction: row;
  align-content: flex-start;
}

.tech-card__title {
  font-family: var(--font-pretendard);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 40px);
  color: var(--color-white);
  line-height: 1;
  margin: 0;
  white-space: nowrap;
  flex-shrink: 0;
}

.tech-card__desc {
  font-family: var(--font-pretendard);
  font-weight: 400;
  font-size: clamp(15px, 1.4vw, 22px);
  color: var(--color-white);
  line-height: 1.6;
  margin: 0;
  width: 600px;
  max-width: 40%;
  word-break: keep-all;
}

.tech-card__nav {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(100%, var(--max-width));
  padding: 0 100px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  z-index: 3;
  pointer-events: none;
}

.tech-nav-btn {
  position: relative;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  color: var(--color-white);
  padding: 0;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.35s ease, background-color 0.35s ease;
}

.tech-nav-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--color-white);
  border-radius: 50%;
  transform: scale(0);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.tech-nav-btn i {
  position: relative;
  z-index: 1;
  font-size: 28px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-nav-btn:hover {
  color: var(--color-dark);
  background: transparent;
}

.tech-nav-btn:hover::before {
  transform: scale(1);
}

/* ==========================================================================
   BIO INNOVATION Section (sec03)
   ========================================================================== */
.sec-bio {
  position: relative;
  height: 100vh;
  padding: 0;
  overflow: hidden;
}

.bio-stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.bio-image-wrap {
  grid-area: 1 / 1;
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-radius: 20px;
  backface-visibility: hidden;
  transform-origin: center center;
  justify-self: center;
  align-self: center;
  /* CSS 초기값을 GSAP 시작값과 일치 → 진입 시 점프 없음 */
  opacity: 0;
}

.bio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  backface-visibility: hidden;
}

.bio-text {
  grid-area: 1 / 1;
  position: relative;
  z-index: 2;
  margin: 0;
  font-family: var(--font-play);
  font-weight: 700;
  /* 반응형 기본 크기 — GSAP은 scale만 조작 */
  font-size: clamp(26px, 6vw, 80px);
  color: var(--color-primary);
  text-transform: uppercase;
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: 0.04em;
  transform-origin: center center;
  justify-self: center;
  align-self: center;
  text-align: center;
  backface-visibility: hidden;
  max-width: 100vw;
}

/* GSAP pin-spacer 가로 overflow 차단 */
.pin-spacer {
  overflow: hidden !important;
}

/* ==========================================================================
   News & Notice Section (sec04)
   ========================================================================== */
.sec-news {
  padding-bottom: 150px;
}

.news-inner {
  display: flex;
  gap: 100px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 60px;
}

.news-col {
  flex: 1;
  min-width: 0;
}

.news-col__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}

.news-col__title {
  font-family: var(--font-pretendard);
  font-weight: 700;
  font-size: clamp(24px, 2.5vw, 40px);
  color: var(--color-dark);
  margin: 0;
  line-height: 1;
}

.news-more {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  color: var(--color-dark);
}

.news-more .xi-long-arrow-right {
  font-size: 20px;
  line-height: 1;
}

/* Notice List */
.notice-list {
  width: 100%;
}

.notice-item {
  position: relative;
}

.notice-item--first {
  border-top: 2px solid var(--color-dark);
  border-bottom: 1px solid var(--color-border);
}

.notice-item:not(.notice-item--first) {
  border-bottom: 1px solid var(--color-border);
}

.notice-item__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px 0;
  min-height: 130px;
  gap: 20px;
}

.notice-item__title {
  font-family: var(--font-pretendard);
  font-weight: 500;
  font-size: clamp(15px, 1.4vw, 22px);
  color: var(--color-dark);
  line-height: 1;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notice-item__date {
  font-family: var(--font-pretendard);
  font-weight: 400;
  font-size: 16px;
  color: var(--color-mid);
  white-space: nowrap;
  flex-shrink: 0;
}

/* News List */
.news-list {
  width: 100%;
}

.news-item {
  position: relative;
}

.news-item--first {
  border-top: 2px solid var(--color-dark);
  border-bottom: 1px solid var(--color-border);
}

.news-item:not(.news-item--first) {
  border-bottom: 1px solid var(--color-border);
}

.news-item__link {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 20px 0;
  min-height: 130px;
}

.news-thumb {
  width: 130px;
  height: 90px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: #ececec;
}

.news-thumb--empty {
  background: #e8e8e8;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-item__title {
  font-family: var(--font-pretendard);
  font-weight: 500;
  font-size: clamp(14px, 1.4vw, 22px);
  color: var(--color-dark);
  line-height: 1.4;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ==========================================================================
   Inquiry Section (sec05)
   ========================================================================== */
.sec-inquiry {
  padding: 0 60px 100px;
  max-width: 1720px;
  margin: 0 auto;
}

.inquiry-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}

.inquiry-bg {
  position: absolute;
  inset: 0;
}

.inquiry-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.inquiry-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.7) 0%, rgba(102,102,102,0) 100%);
}

.inquiry-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 150px;
  gap: 40px;
}

.inquiry-text {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.inquiry-title {
  font-family: var(--font-pretendard);
  font-weight: 700;
  font-size: clamp(28px, 3.5vw, 50px);
  color: var(--color-white);
  margin: 0;
  line-height: 1;
}

.inquiry-desc {
  font-family: var(--font-pretendard);
  font-weight: 400;
  font-size: clamp(15px, 1.3vw, 20px);
  color: var(--color-white);
  line-height: 1.6;
  margin: 0;
  word-break: keep-all;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding-top: 100px;
  border-top: 1px solid var(--color-dark);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 50px 60px;
  width: 100%;
  max-width: var(--max-width);
}

.footer-logo img {
  height: 30px;
  width: auto;
  object-fit: contain;
}

.footer-info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.footer-info {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 30px;
  max-width: 650px;
}

.footer-info__item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.footer-info__label {
  font-family: var(--font-pretendard);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-dark);
  white-space: nowrap;
}

.footer-info__value {
  font-family: var(--font-pretendard);
  font-weight: 400;
  font-size: 16px;
  color: var(--color-dark);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 60px 50px;
  width: 100%;
  max-width: var(--max-width);
  border-top: 1px solid var(--color-border);
  gap: 20px;
}

.footer-links {
  display: flex;
  gap: 30px;
}

.footer-link {
  font-family: var(--font-pretendard);
  font-weight: 400;
  font-size: 16px;
  color: var(--color-dark);
  cursor: pointer;
  transition: opacity 0.2s;
}

.footer-link--bold {
  font-weight: 700;
}

.footer-link:hover {
  opacity: 0.6;
}

.footer-copy {
  font-family: var(--font-pretendard);
  font-weight: 400;
  font-size: 16px;
  color: var(--color-dark);
  margin: 0;
}

/* ==========================================================================
   Floating Buttons
   ========================================================================== */
.floating-btns {
  position: fixed;
  right: 30px;
  bottom: 50px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 50;
}

.floating-btn {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 4px 4px 5px rgba(0,0,0,0.1);
  cursor: pointer;
  border: none;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.35s ease, background-color 0.35s ease;
}

.floating-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: 50%;
  background: var(--btn-fill, currentColor);
  transform: scale(0);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-btn:hover::before {
  transform: scale(1);
}

.floating-btn i {
  position: relative;
  z-index: 1;
  transition: color 0.35s ease;
}

.floating-btn--inquiry {
  --btn-fill: var(--color-white);
  background: var(--color-primary);
  color: var(--color-white);
  border: 1px solid transparent;
  box-sizing: border-box;
}

.floating-btn--inquiry .xi-pen {
  color: inherit;
  font-size: 24px;
}

.floating-btn--inquiry:hover {
  color: var(--color-primary);
  background: transparent;
  border-color: var(--color-primary);
}

.floating-btn--top {
  --btn-fill: #222;
  background: var(--color-white);
  color: #222;
}

.floating-btn--top .xi-angle-up {
  color: inherit;
  font-size: 28px;
}

.floating-btn--top:hover {
  color: var(--color-white);
  background: transparent;
}

.floating-btn span{
  font-size: 2rem;
}

/* ==========================================================================
   Responsive - 1200px
   ========================================================================== */
@media (max-width: 1200px) {
  .header-inner {
    padding: 24px 40px;
  }

  .main-nav > ul {
    gap: 0;
  }

  .hero-content {
    padding: 0 60px;
  }

  .section-header-wrap {
    padding: 0 40px;
  }

  .product-card.is-open {
    flex: 0 0 55%;
  }

  .product-card.is-open .product-card__body {
    padding: 60px;
  }

  .product-card__body {
    padding: 40px 30px 60px;
  }

  .tech-card__content {
    padding: 60px;
    flex-direction: column;
    gap: 30px;
  }

  .tech-card__desc {
    width: 100%;
    max-width: 100%;
  }

  .tech-card__nav {
    padding: 0 60px;
  }

  .news-inner {
    padding: 0 40px;
    gap: 60px;
  }

  .inquiry-inner {
    padding: 100px;
  }

  .footer-top {
    padding: 50px 40px;
  }

  .footer-bottom {
    padding: 30px 40px 50px;
  }
}

/* ==========================================================================
   Responsive - 1024px
   ========================================================================== */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }

  .hamburger-btn {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .header-right {
    gap: 20px;
  }

  .hero-content {
    padding: 0 40px;
  }

  .hero-title {
    font-size: clamp(40px, 7vw, 100px);
  }

  .product-row {
    flex-direction: column;
  }

  .product-card {
    flex: none;
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid #eee;
    cursor: default;
  }

  .product-card:last-child {
    border-bottom: none;
  }

  .product-card.is-open {
    flex: none;
    min-height: 500px;
  }

  .product-card:not(.is-open) {
    min-height: auto;
  }

  .product-card:not(.is-open) .product-card__preview {
    height: 280px;
  }

  .product-card.is-open .product-card__body {
    padding: 50px 40px;
  }

  .product-card__body {
    padding: 30px 40px 50px;
  }

  .tech-swiper .swiper-slide {
    width: calc(100% - 80px);
  }

  .tech-card {
    height: 500px;
  }

  .tech-card__content {
    padding: 50px 40px;
  }

  .tech-card__nav {
    padding: 0 40px;
  }

  .news-inner {
    flex-direction: column;
    gap: 60px;
    padding: 0 40px;
  }

  .inquiry-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 60px;
  }

  .sec-inquiry {
    padding: 0 40px 80px;
  }

  .footer-info-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  /* product-card: 1024px 이하에서 is-open 없이도 open 상태로 표시 */
  .product-card:not(.is-open) {
    min-height: 500px;
  }

  .product-card:not(.is-open)[data-product="biograb"],
  .product-card:not(.is-open)[data-product="noncovered"] {
    background: #ededec;
  }

  .product-card:not(.is-open) .product-card__bg {
    opacity: 1;
  }

  .product-card:not(.is-open)[data-product="biograb"] .product-card__bg img,
  .product-card:not(.is-open)[data-product="noncovered"] .product-card__bg img {
    object-fit: contain;
    object-position: center 35%;
    padding: 60px 80px 180px;
  }

  .product-card:not(.is-open) .product-card__preview {
    position: absolute;
    inset: 0;
    height: auto;
    opacity: 0;
    pointer-events: none;
    padding: 0;
  }

  .product-card:not(.is-open) .product-card__body {
    position: absolute;
    inset: 0;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 50px 40px;
    height: auto;
    flex: none;
  }

  .product-card:not(.is-open) .product-info {
    align-items: flex-start;
    text-align: left;
  }

  .product-card:not(.is-open) .product-desc {
    max-height: 120px;
    opacity: 1;
  }

  .product-card:not(.is-open) .btn {
    max-height: 60px;
    opacity: 1;
    padding: 17px 40px;
    border-width: 1px;
    pointer-events: auto;
  }
}

/* ==========================================================================
   Responsive - 768px
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --header-height: 72px;
  }

  .header-inner {
    padding: 20px 24px;
  }

  .hero-content {
    padding: 0 24px;
  }

  .hero-title {
    font-size: clamp(36px, 10vw, 72px);
  }

  .hero-sub {
    font-size: clamp(16px, 4vw, 28px);
  }

  .section-header-wrap {
    padding: 0 24px;
    gap: 20px;
  }

  .section-title {
    font-size: clamp(22px, 5vw, 36px);
  }

  .sec-product {
    padding-top: 80px;
  }

  .product-card.is-open .product-card__body {
    padding: 40px 24px;
  }

  .product-card__body {
    padding: 24px;
  }

  .product-card.is-open {
    min-height: 400px;
  }

  .product-card:not(.is-open) .product-card__preview {
    height: 240px;
  }

  .sec-technology {
    padding-top: 80px;
  }

  .tech-swiper .swiper-slide {
    width: calc(100% - 48px);
  }

  .tech-card {
    height: 420px;
    border-radius: 14px;
  }

  .tech-card__content {
    padding: 40px 24px;
    flex-direction: column;
    gap: 16px;
  }

  .tech-card__title {
    font-size: clamp(18px, 5vw, 28px);
    white-space: normal;
  }

  .tech-card__desc {
    font-size: 14px;
    width: 100%;
    max-width: 100%;
  }

  .tech-card__desc br {
    display: none;
  }

  .tech-card__nav {
    padding: 0 24px;
  }

  .sec-news {
    padding-bottom: 80px;
  }

  .news-inner {
    padding: 0 24px;
    gap: 40px;
  }

  .news-col__title {
    font-size: clamp(20px, 5vw, 30px);
  }

  .notice-item__link {
    padding: 24px 0;
    min-height: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .notice-item__title {
    font-size: 15px;
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
  }

  .news-item__link {
    padding: 16px 0;
    min-height: auto;
    gap: 16px;
  }

  .news-thumb {
    width: 90px;
    height: 64px;
  }

  .news-item__title {
    font-size: 14px;
  }

  .sec-inquiry {
    padding: 0 24px 60px;
  }

  .inquiry-inner {
    padding: 60px 40px;
  }

  .inquiry-title {
    font-size: clamp(24px, 6vw, 40px);
  }

  .footer-top {
    padding: 40px 24px;
  }

  .footer-info {
    max-width: 100%;
    gap: 14px 20px;
  }

  .footer-info__label,
  .footer-info__value {
    font-size: 14px;
  }

  .footer-bottom {
    padding: 24px 24px 40px;
  }

  .footer-copy {
    font-size: 13px;
  }

  .footer-links {
    gap: 20px;
  }

  .footer-link {
    font-size: 14px;
  }

  .floating-btns {
    right: 16px;
    bottom: 30px;
  }

  .floating-btn {
    width: 48px;
    height: 48px;
  }

  /* product-card: 768px open 상태 유지 */
  .product-card:not(.is-open) {
    min-height: 400px;
  }

  .product-card:not(.is-open) .product-card__preview {
    height: auto;
    padding: 0;
  }

  .product-card:not(.is-open) .product-card__body {
    padding: 40px 24px;
  }
}

/* ==========================================================================
   Responsive - 576px
   ========================================================================== */
@media (max-width: 576px) {
  .hero {
    min-height: 480px;
  }

  .hero-title {
    font-size: clamp(32px, 11vw, 56px);
  }

  .section-title {
    font-size: clamp(18px, 5.5vw, 28px);
  }

  .section-title br {
    display: none;
  }

  .product-card.is-open {
    min-height: 320px;
  }

  .product-card.is-open .product-card__body {
    padding: 30px 20px;
    gap: 30px;
  }

  .product-card__body {
    padding: 20px;
    gap: 14px;
  }

  .product-name {
    font-size: clamp(22px, 7vw, 34px);
  }

  .product-desc {
    font-size: 14px;
  }

  .product-desc br {
    display: none;
  }

  .product-card:not(.is-open) .product-card__preview {
    height: 200px;
    padding: 24px;
  }

  .tech-swiper .swiper-slide {
    width: calc(100% - 32px);
  }

  .tech-card {
    height: 360px;
    border-radius: 12px;
  }

  .tech-card__content {
    padding: 30px 20px;
    gap: 12px;
  }

  .tech-card__nav {
    padding: 0 20px;
  }

  .tech-nav-btn {
    width: 44px;
    height: 44px;
  }

  .notice-item__title {
    font-size: 14px;
  }

  .news-inner {
    padding: 0 16px;
    gap: 32px;
  }

  .inquiry-inner {
    padding: 40px 24px;
    gap: 30px;
  }

  .inquiry-desc br {
    display: none;
  }

  .btn--glass {
    padding: 14px 28px;
    font-size: 15px;
  }

  .footer-info {
    flex-direction: column;
    gap: 12px;
  }

  .footer-top {
    padding: 30px 16px;
  }

  .footer-bottom {
    padding: 20px 16px 30px;
  }

  .footer-links {
    flex-direction: column;
    gap: 12px;
  }

  /* product-card: 576px open 상태 유지 */
  .product-card:not(.is-open) {
    min-height: 320px;
  }

  .product-card:not(.is-open) .product-card__preview {
    height: auto;
    padding: 0;
  }

  .product-card:not(.is-open) .product-card__body {
    padding: 30px 20px;
    gap: 30px;
  }
}

body.terms_modal_open {
  overflow: hidden;
}

.terms_modal {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.terms_modal.is_open {
  display: flex !important;
}

.terms_modal__dim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.terms_modal__box {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 52.5rem;
  max-height: 80vh;
  background: #fff;
}

.terms_modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.875rem;
  border-bottom: 1px solid #ddd;
}

.terms_modal__title {
  margin: 0;
  font-family: var(--font-pretendard);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: #111;
}

.terms_modal__close {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  color: #111;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.terms_modal__body {
  padding: 1.875rem;
  overflow-y: auto;
  font-family: var(--font-pretendard);
  font-size: 1rem;
  line-height: 1.7;
  color: #222;
}

.terms_modal__body img {
  max-width: 100%;
  height: auto;
}

.terms_modal__empty {
  margin: 0;
  color: #888;
}

@media (max-width: 768px) {
  .terms_modal {
    padding: 0.75rem;
  }

  .terms_modal__head,
  .terms_modal__body {
    padding: 1.25rem;
  }

  .terms_modal__title {
    font-size: 1.125rem;
  }
}