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

body {
  color: #333;
  background-color: #ffffff;
  font-family: 'Noto Sans KR', 'Nanum Gothic', Tahoma, Dotum, Verdana, Arial, 'Trebuchet MS';
  font-size: 13px;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.page-content {
  flex: 1 0 auto;
}
.site-footer {
  flex-shrink: 0;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1170px; margin: 0 auto; padding: 0 15px; }
.text-center { text-align: center; }

/* ============ HEADER ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background-color: #fff;
  padding: 4px 0;
  transition: box-shadow .3s;
}
.site-header.scrolled {
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.header-container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 0 30px;
  display: flex;
  align-items: center;
}
.logo { flex-shrink: 0; }
.logo-img { height: 16px; }
.header-right {
  display: flex;
  align-items: center;
  margin-left: auto;
}
.nav-list {
  list-style: none;
  display: flex;
  gap: 0;
}
.nav-list li a {
  display: block;
  padding: 0 18px;
  line-height: 50px;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: #282828;
  transition: color .2s;
  white-space: nowrap;
}
.nav-list li a:hover,
.nav-list li a.active {
  color: #949191;
}

/* Language Switch */
.lang-switch {
  position: relative;
  margin-left: 14px;
  flex-shrink: 0;
}
.lang-btn {
  background: none;
  border: 1px solid #ddd;
  border-radius: 3px;
  cursor: pointer;
  padding: 5px 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  color: #282828;
  transition: border-color .2s;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 12px;
  line-height: 1;
}
.lang-btn:hover { border-color: #999; }
.lang-flag { font-size: 14px; line-height: 1; }
.lang-current {
  font-size: 12px;
  font-weight: 400;
  color: #333;
}
.lang-caret {
  width: 10px;
  height: 10px;
  color: #666;
  transition: transform .2s;
}
.lang-switch.open .lang-caret {
  transform: rotate(180deg);
}
.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: #fff;
  border: 1px solid #e0e0e0;
  list-style: none;
  min-width: 130px;
  z-index: 1001;
  box-shadow: 0 3px 10px rgba(0,0,0,.1);
  border-radius: 3px;
  overflow: hidden;
}
.lang-dropdown.open { display: block; }
.lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: #333;
  transition: background .15s;
}
.lang-option:hover { background: #f5f5f5; }
.lang-option.active {
  color: #000;
  font-weight: 500;
  background: #f9f9f9;
}
.lang-option-flag { font-size: 16px; line-height: 1; }

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.mobile-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: #1b1b1b;
  transition: .3s;
}

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .header-right { display: none; }
  .header-right.mobile-show {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; right: -100%;
    width: 70%;
    height: 100vh;
    background: #fff;
    z-index: 999;
    transition: right .3s;
    padding-top: 70px;
    align-items: stretch;
  }
  .header-right.mobile-show.open { right: 0; }
  .header-right.mobile-show .main-nav { display: block; }
  .header-right.mobile-show .nav-list { flex-direction: column; }
  .header-right.mobile-show .nav-list li a {
    line-height: 50px;
    padding: 0 30px;
    border-bottom: 1px solid #f0f0f0;
  }
  .header-right.mobile-show .lang-switch {
    margin: 20px 30px 0;
  }
  .header-container { padding: 0 15px; }
  .site-header { min-height: 70px; }
  .logo-img { max-height: 60px; height: auto; }
}

/* ============ HERO CAROUSEL (HOME) ============ */
.hero-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}
.carousel-inner {
  position: relative;
  width: 100%;
  height: 100%;
}
.carousel-slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1.4s ease;
}
.carousel-slide.active { opacity: 1; }
.carousel-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.62);
  z-index: 2;
}
.carousel-caption-fixed {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  text-align: center;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 90%;
}
.caption-sub {
  color: #fff;
  font-size: 36px;
  line-height: 1.45;
  display: block;
}
.caption-main {
  color: #fff;
  font-size: 64px;
  line-height: 1.45;
  display: block;
}
.caption-desc {
  color: #fff;
  font-size: 24px;
  display: block;
  margin-top: 8px;
}

@media (max-width: 991px) {
  .caption-sub { font-size: 24px; }
  .caption-main { font-size: 40px; }
  .caption-desc { font-size: 18px; }
}
@media (max-width: 767px) {
  .caption-sub { font-size: 18px; }
  .caption-main { font-size: 28px; }
  .caption-desc { font-size: 16px; }
}

/* Vertical scroll line */
.vertical-line {
  width: 1px;
  height: 100px;
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}
.vertical-line::before {
  content: '';
  position: absolute;
  width: 1px;
  height: 100px;
  bottom: 0;
  left: 0;
  background-color: rgba(255,255,255,.2);
}
.vertical-line::after {
  content: '';
  position: absolute;
  width: 1px;
  height: 100px;
  bottom: 0;
  left: 0;
  background-color: #fff;
  animation: scrollLine 2s cubic-bezier(.77,0,.175,1) infinite;
}
@keyframes scrollLine {
  0% { transform-origin: 50% 100%; transform: scaleY(1); }
  50% { transform-origin: 50% 100%; transform: scaleY(0); }
  50.001% { transform-origin: 50% 0; transform: scaleY(0); }
  100% { transform-origin: 50% 0; transform: scaleY(1); }
}

/* ============ PAGE HERO (Sub Pages) ============ */
.page-hero {
  position: relative;
  padding: 20px 0 240px 0;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}
.page-hero.hero-business {
  background-position: right 30%;
}
.page-hero-content {
  max-width: 1170px;
  margin: 0 auto;
  padding: 30px 15px;
  padding-top: 80px;
}
.page-hero-title {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 28px;
  font-weight: 500;
  color: #fff;
  letter-spacing: -1px;
  line-height: 1.9;
  text-shadow: 0 3px 8px rgba(0,0,0,.55);
}
.page-hero-sub {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 18px;
  font-weight: 400;
  color: #fff;
  letter-spacing: -1px;
  line-height: 1.9;
  text-shadow: 0 3px 8px rgba(0,0,0,.55);
}
@media (min-width: 992px) {
  .page-hero-content { padding: 50px 0; padding-top: 80px; }
}

/* ============ ABOUT PAGE ============ */
.about-text-section {
  padding: 60px 0;
  background: #fff;
}
.about-heading {
  text-align: center;
  margin-bottom: 30px;
}
.heading-bold {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 28px;
  color: #19181d;
  font-weight: 400;
}
.heading-light {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 28px;
  color: #19181d;
  font-weight: 300;
}
.about-desc {
  text-align: justify;
}
.about-desc p {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 15px;
  font-weight: 300;
  color: #222;
  line-height: 2;
}
.about-images-section {
  width: 100%;
  line-height: 0;
  font-size: 0;
}
.about-images-row {
  display: flex;
  width: 100%;
  margin: 0;
  padding: 0;
}
.about-img-item {
  width: 50%;
  line-height: 0;
  overflow: hidden;
}
.about-img-item img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  margin: 0;
  padding: 0;
}
@media (max-width: 767px) {
  .about-img-item { width: 100%; height: auto; }
  .about-images-row { flex-direction: column; }
  .about-img-item img { height: auto; }
  .heading-bold, .heading-light { font-size: 22px; }
}

/* Partner Title */
.partner-title-section {
  padding: 140px 0 20px;
  background: #fff;
}
.partner-title {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 28px;
  font-weight: 500;
  color: #191919;
  letter-spacing: 3px;
}

/* Partner Marquee */
.partner-marquee {
  overflow: hidden;
  width: 100%;
  background: #fff;
  padding: 80px 0;
}
.marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: logoScroll 120s linear infinite;
}
.marquee-item {
  height: 48px;
  margin-right: 160px;
  flex: 0 0 auto;
}
.marquee-item img {
  height: 100%;
  width: auto;
  display: block;
}
@keyframes logoScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============ BUSINESS PAGE ============ */
.biz-intro-section {
  padding: 80px 0 20px;
  background: #fff;
}
.biz-heading {
  text-align: center;
}

.biz-cards-section {
  padding: 20px 0 80px;
  background: #fff;
}
.biz-cards-row {
  display: flex;
  gap: 20px;
}
.biz-card {
  flex: 1;
  text-align: center;
}
.biz-card-img-wrap {
  overflow: hidden;
  padding: 0 10px 15px;
}
.biz-card-img-wrap img {
  width: 100%;
  transition: transform .45s ease;
}
.biz-card-img-wrap:hover img {
  transform: scale(1.1);
}
.biz-card-text {
  padding-top: 20px;
}
.biz-card-text h3 {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: #222;
  margin-bottom: 16px;
}
.biz-card-text p {
  font-size: 15px;
  font-weight: 400;
  color: #222;
  text-align: justify;
  line-height: 1.6;
  letter-spacing: -0.02em;
}
.biz-card-text p + p {
  margin-top: 10px;
}
html[lang="en"] .biz-card-text p {
  text-align: left;
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0;
  line-height: 1.75;
}
html[lang="en"] .biz-card-text p + p {
  margin-top: 14px;
}
@media (max-width: 767px) {
  .biz-cards-row { flex-direction: column; }
  .biz-card-text h3 { font-size: 24px; }
}

/* Parallax Section */
.parallax-section {
  height: 345px;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}
.parallax-section.mt-extra {
  border-top: 70px solid #ffffff;
}
@media (max-width: 991px) { .parallax-section { height: 280px; } }
@media (max-width: 767px) { .parallax-section { height: 220px; } }
@media (max-width: 480px) { .parallax-section { height: 140px; } }

/* Divider */
.biz-divider {
  padding: 20px 0;
  background: #fff;
  text-align: center;
}
.divider-line {
  width: 1px;
  height: 87px;
  border-left: 1px solid #888;
  display: inline-block;
  margin: 15px auto;
}
@media (max-width: 767px) {
  .divider-line { height: 40px; margin: 0 auto; }
}

/* Left-Right Section */
.biz-lr-section {
  padding: 20px 0;
  background: #fff;
}
.biz-lr-row {
  display: flex;
  align-items: center;
  gap: 0;
}
.biz-lr-row.reverse { flex-direction: row-reverse; }
.biz-lr-img {
  flex: 1;
}
.biz-lr-img img {
  width: 100%;
}
.biz-lr-text {
  flex: 1;
  padding: 37px;
}
.biz-lr-text h3 {
  font-size: 26px;
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.4;
}
.biz-lr-text p {
  font-size: 19px;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.6;
}
.biz-lr-text p + p {
  margin-top: 12px;
}
html[lang="en"] .biz-lr-text p {
  font-size: 17px;
  font-weight: 300;
  letter-spacing: 0;
  line-height: 1.8;
}
html[lang="en"] .biz-lr-text p + p {
  margin-top: 16px;
}
.biz-lr-row.reverse .biz-lr-text { text-align: right; }
html[lang="en"] .biz-lr-row.reverse .biz-lr-text { text-align: left; }

@media (max-width: 991px) {
  .biz-lr-row,
  .biz-lr-row.reverse { flex-direction: column; }
  .biz-lr-text { padding: 20px 0; text-align: left !important; }
  .biz-lr-text h3 { font-size: 22px; }
  .biz-lr-text p { font-size: 15px; }
}

/* ============ GALLERY PAGE ============ */
.gallery-tabs-section {
  padding: 80px 0 0;
  background: #fff;
}
.tab-wrapper {
  width: 100%;
}
.tab-box {
  display: flex;
  width: 100%;
}
.tab {
  flex: 1;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-family: 'Noto Sans', sans-serif;
  font-size: 16px;
  color: #555;
  background: transparent;
  border-bottom: 1px solid #e6e6e6;
  transition: all .2s;
}
.tab:hover,
.tab.active {
  background: #111;
  color: #fff;
  border-color: #111;
}
.tab-content {
  margin-top: 22px;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.gallery-notice-section {
  padding: 160px 0 80px;
  background: #ffffff;
}
.gallery-notice {
  font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
  font-size: 15px;
  font-weight: 400;
  color: #191919;
  letter-spacing: 0;
}

/* ============ PARTNERSHIPS PAGE ============ */
.contact-title-section {
  padding: 140px 0 20px;
  background: #fff;
}
.contact-heading {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 28px;
  font-weight: 500;
  color: #222;
  letter-spacing: 3px;
  margin-bottom: 16px;
}
.contact-sub {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 22px;
  color: #303030;
}

.contact-form-section {
  padding: 30px 0 140px;
  background: #fff;
}
.form-row {
  display: flex;
  gap: 0;
}
.form-group {
  padding-bottom: 20px;
}
.form-group.half {
  flex: 1;
  padding: 0 15px 20px;
}
.form-control {
  width: 100%;
  font-family: 'Dosis', 'Nanum Gothic', sans-serif;
  font-size: 12px;
  color: #919191;
  letter-spacing: 0.05em;
  padding: 9px 14px;
  min-height: 38px;
  border: 1px solid #5a5a5a;
  border-radius: 0;
  background: #fff;
  outline: none;
}
textarea.form-control {
  min-height: 60px;
  resize: none;
  margin: 0 15px;
  width: calc(100% - 30px);
}
.form-submit {
  padding-top: 30px;
  text-align: center;
}
.btn-submit {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  background: #000;
  border: 1px solid #313131;
  border-radius: 0;
  padding: 16px 15px;
  min-width: 200px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: opacity .2s;
}
.btn-submit:hover { opacity: .8; }

@media (max-width: 767px) {
  .form-row { flex-direction: column; }
  .form-group.half { padding: 0 15px 10px; }
  .contact-sub { font-size: 18px; }
}

/* ============ FOOTER ============ */
.site-footer {
  padding: 80px 0 60px;
  background: #ffffff;
  color: #000;
  font-family: Roboto, 'Nanum Gothic', Tahoma, Dotum, Verdana, Arial, 'Trebuchet MS';
  font-size: 13px;
}
.footer-container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 0 15px;
}
.footer-logo-wrap {
  margin-bottom: 20px;
}
.footer-logo {
  height: 22px;
}
.footer-info p {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 300;
  line-height: 1.6;
}
.footer-info .copyright {
  font-size: 12px;
  margin-top: 8px;
}

@media (max-width: 480px) {
  .site-footer { padding: 50px 0 40px; }
}

/* Map Section */
.map-section {
  padding: 20px 0 0;
  background: #fff;
}
.map-row {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}
.map-info {
  flex: 0 0 33%;
  padding: 20px 0;
}
.map-info p {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.8;
  color: #222;
}
.map-info p strong {
  font-weight: 500;
}
.map-wrap {
  flex: 1;
}
.map-section .google-map {
  width: 100%;
  height: 260px;
  border: 0;
}
@media (max-width: 767px) {
  .map-row { flex-direction: column; }
  .map-info { flex: none; width: 100%; }
}

/* Go to Top */
.goto-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 40px;
  height: 40px;
  background: rgba(0,0,0,.3);
  color: #fff;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  z-index: 999;
  border-radius: 2px;
  transition: opacity .2s;
}
.goto-top.show { display: flex; }
.goto-top:hover { background: rgba(0,0,0,.6); }

/* Mobile overlay */
.nav-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,.5);
  z-index: 998;
  display: none;
}
.nav-overlay.show { display: block; }