@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&family=Playfair+Display:ital,wght@0,400;0,700;1,400;1,700&family=Montserrat:wght@400;500;600;700;800;900&display=swap');

:root {
  --primary-blue: #1a3a6b;
  --dark-bg: #1a1a1a;
  --text-dark: #222;
  --text-gray: #666;
  --text-light: #999;
  --border-color: #e0e0e0;
  --section-bg: #f5f5f5;
  --white: #fff;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, li {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  padding: 0 40px;
}

.header.transparent {
  background: rgba(0, 0, 0, 0.3);
}

.header.solid {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.5px;
}

.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 34px;
  letter-spacing: 3px;
}

.logo-sub {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 3px;
}

.header.transparent .logo,
.header.transparent .nav-link,
.header.transparent .hamburger span {
  color: var(--white);
}

.header.solid .logo,
.header.solid .nav-link {
  color: var(--text-dark);
}

.header.solid .hamburger span {
  background: var(--text-dark);
}

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

.nav-item {
  position: relative;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  padding: 25px 0;
  display: block;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 20px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: width 0.3s ease;
}

.header.transparent .nav-link::after {
  background: var(--white);
}

.nav-link:hover::after,
.nav-item.active .nav-link::after {
  width: 100%;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  min-width: 160px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
  border-radius: 4px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 10px 0;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 8px 24px;
  font-size: 14px;
  color: var(--text-dark);
  white-space: nowrap;
  transition: var(--transition);
}

.nav-dropdown a:hover {
  color: var(--primary-blue);
  background: #f8f8f8;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('https://images.unsplash.com/photo-1449824913935-59a10b8d2000?w=1920&q=80') center/cover no-repeat;
  z-index: -1;
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.25);
}

.hero-content {
  text-align: center;
  color: var(--white);
  z-index: 1;
}

.hero-sub {
  font-size: 18px;
  font-weight: 300;
  margin-bottom: 15px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease forwards;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 2px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease 0.3s forwards;
}

.hero-partner {
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 2px;
  margin-top: 20px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 1s ease 0.6s forwards;
}

.hero-partner em {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 20px;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============ ABOUT SECTION ============ */
.section-about {
  padding: 120px 0;
}

.about-label {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 16px;
  color: var(--primary-blue);
  margin-bottom: 20px;
}

.about-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -1.5px;
  max-width: 700px;
}

/* ============ INVESTMENT / PRODUCT SECTION ============ */
.section-split {
  display: flex;
  min-height: 500px;
}

.section-split.reverse {
  flex-direction: row-reverse;
}

.split-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 80px;
}

.split-image {
  flex: 1;
  position: relative;
  overflow: hidden;
}

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

.section-split:hover .split-image img {
  transform: scale(1.05);
}

.split-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 52px;
  font-weight: 900;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.split-desc {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 30px;
}

.btn-more {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  transition: var(--transition);
}

.btn-more::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--text-dark);
  transition: width 0.3s ease;
}

.btn-more .circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #e0e0e0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-more:hover .circle {
  background: var(--primary-blue);
}

.btn-more:hover .circle svg {
  stroke: var(--white);
}

.btn-more:hover::after {
  width: 60px;
}

/* white variant for dark backgrounds */
.split-content.dark {
  background: transparent;
  color: var(--white);
}

.split-content.dark .split-desc {
  color: rgba(255, 255, 255, 0.8);
}

.split-content.dark .btn-more {
  color: var(--white);
}

.split-content.dark .btn-more::after {
  background: var(--white);
}

/* ============ COMPANY SECTION ============ */
.section-company {
  padding: 120px 0;
  position: relative;
}

.company-label {
  font-size: 16px;
  color: var(--primary-blue);
  font-weight: 700;
  margin-bottom: 15px;
}

.company-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 52px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -2px;
  margin-bottom: 25px;
}

.company-desc {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.8;
  max-width: 600px;
}

/* ============ THREE PILLARS ============ */
.section-pillars {
  padding: 100px 0;
  background: var(--white);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.pillar-item {
  padding: 40px 20px;
  transition: var(--transition);
}

.pillar-item:hover {
  transform: translateY(-10px);
}

.pillar-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 25px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pillar-icon svg {
  width: 80px;
  height: 80px;
  stroke: var(--text-dark);
  stroke-width: 1.5;
  fill: none;
}

.pillar-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: 5px;
}

.pillar-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  font-weight: 700;
  font-style: italic;
  margin-bottom: 15px;
}

.pillar-desc {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.7;
}

/* ============ MEDIA SECTION ============ */
.section-media {
  padding: 80px 0;
  background: var(--white);
}

.media-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.media-label {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 16px;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

.media-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.3;
}

.media-nav {
  display: flex;
  align-items: center;
  gap: 15px;
}

.media-nav button {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 18px;
}

.media-nav button:hover {
  background: var(--text-dark);
  color: var(--white);
  border-color: var(--text-dark);
}

.media-slider {
  display: flex;
  gap: 25px;
  overflow: hidden;
}

.media-card {
  min-width: calc(50% - 12.5px);
  background: var(--white);
  border-radius: 0;
  overflow: hidden;
  transition: var(--transition);
}

.media-card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.media-card-img {
  height: 220px;
  overflow: hidden;
  background: #ddd;
}

.media-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.media-card:hover .media-card-img img {
  transform: scale(1.05);
}

.media-card-body {
  padding: 25px;
}

.media-card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 15px;
  letter-spacing: -0.5px;
}

.media-card-date {
  font-size: 13px;
  color: var(--text-light);
}

/* ============ NOTICE SECTION ============ */
.section-notice {
  padding: 80px 0;
  display: flex;
  gap: 80px;
  align-items: flex-start;
}

.notice-left {
  flex-shrink: 0;
  width: 280px;
}

.notice-label {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 16px;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

.notice-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -1.5px;
  margin-bottom: 30px;
}

.notice-list {
  flex: 1;
}

.notice-item {
  display: flex;
  align-items: center;
  padding: 25px 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.notice-item:first-child {
  border-top: 1px solid var(--text-dark);
}

.notice-item:hover {
  padding-left: 10px;
}

.notice-badge {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-blue);
  min-width: 80px;
}

.notice-text {
  flex: 1;
  font-size: 15px;
  color: var(--text-dark);
  padding: 0 20px;
}

.notice-date {
  font-size: 13px;
  color: var(--text-light);
  min-width: 100px;
  text-align: right;
}

/* ============ CONTACT BANNER ============ */
.section-contact-banner {
  position: relative;
  padding: 100px 0;
  background: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?w=1920&q=80') center/cover no-repeat;
  text-align: center;
  color: var(--white);
}

.section-contact-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
}

.contact-banner-inner {
  position: relative;
  z-index: 1;
}

.contact-banner-title {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 10px;
}

.contact-banner-addr {
  font-size: 15px;
  font-weight: 300;
  margin-bottom: 50px;
  opacity: 0.9;
}

.contact-icons {
  display: flex;
  justify-content: center;
  gap: 60px;
}

.contact-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  transition: var(--transition);
}

.contact-icon-item:hover {
  transform: translateY(-5px);
}

.contact-icon-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.contact-icon-item:hover .contact-icon-circle {
  background: rgba(255, 255, 255, 0.4);
}

.contact-icon-circle svg {
  width: 24px;
  height: 24px;
  stroke: var(--white);
  fill: none;
  stroke-width: 2;
}

.contact-icon-text {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 14px;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--dark-bg);
  color: #aaa;
  padding: 50px 0 30px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-left {
  flex: 1;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  margin-bottom: 25px;
}

.footer-logo .logo-text {
  font-size: 24px;
}

.footer-info p {
  font-size: 13px;
  line-height: 1.8;
  color: #888;
}

.footer-info strong {
  color: #bbb;
  font-weight: 500;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.footer-right a {
  font-size: 14px;
  color: #aaa;
  transition: var(--transition);
}

.footer-right a:hover {
  color: var(--white);
}

.footer-copyright {
  text-align: center;
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid #333;
  font-size: 12px;
  color: #666;
}

/* ============ SCROLL TO TOP ============ */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--text-dark);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  border: none;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--primary-blue);
  transform: translateY(-3px);
}

/* ============ SUB PAGE BANNER ============ */
.sub-banner {
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background-size: cover;
  background-position: center;
}

.sub-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
}

.sub-banner-content {
  position: relative;
  z-index: 1;
  color: var(--white);
}

.sub-banner-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.sub-banner-title {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -1px;
}

/* ============ BREADCRUMB ============ */
.breadcrumb-bar {
  background: var(--white);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  z-index: 2;
}

.breadcrumb-inner {
  display: flex;
  align-items: center;
  height: 55px;
}

.breadcrumb-home {
  width: 55px;
  height: 55px;
  background: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
}

.breadcrumb-home svg {
  width: 20px;
  height: 20px;
}

.breadcrumb-item {
  position: relative;
  padding: 0 25px;
  height: 100%;
  display: flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-right: 1px solid var(--border-color);
  min-width: 180px;
  justify-content: space-between;
}

.breadcrumb-item svg {
  width: 12px;
  height: 12px;
  transition: transform 0.3s;
}

.breadcrumb-item:hover svg {
  transform: rotate(180deg);
}

.breadcrumb-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: var(--white);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 10;
}

.breadcrumb-item:hover .breadcrumb-dropdown {
  opacity: 1;
  visibility: visible;
}

.breadcrumb-dropdown a {
  display: block;
  padding: 12px 25px;
  font-size: 13px;
  color: var(--text-dark);
  border-bottom: 1px solid #f0f0f0;
}

.breadcrumb-dropdown a:hover {
  background: #f8f8f8;
  color: var(--primary-blue);
}

.breadcrumb-dropdown a.active {
  color: var(--primary-blue);
  font-weight: 700;
}

/* ============ SUB PAGE CONTENT ============ */
.sub-content {
  padding: 80px 0 120px;
}

.sub-section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary-blue);
  text-align: center;
  margin-bottom: 10px;
}

.sub-section-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
  letter-spacing: -1px;
}

/* ============ GREETING PAGE ============ */
.greeting-headline {
  font-size: 28px;
  font-weight: 700;
  text-align: center;
  line-height: 1.5;
  margin-bottom: 60px;
  letter-spacing: -1px;
}

.greeting-headline .highlight {
  color: var(--primary-blue);
  font-weight: 900;
}

.greeting-body {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}

.greeting-image {
  flex: 0 0 45%;
  border-radius: 4px;
  overflow: hidden;
}

.greeting-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.greeting-text {
  flex: 1;
}

.greeting-text .ceo-intro {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 25px;
}

.greeting-text p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 2;
  margin-bottom: 20px;
}

.greeting-sign {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
  font-size: 15px;
}

.greeting-sign .title {
  color: var(--text-gray);
}

.greeting-sign .name {
  font-size: 24px;
  font-weight: 700;
}

/* ============ PHILOSOPHY PAGE ============ */
.philosophy-section {
  background: var(--section-bg);
  padding: 80px 0;
  margin-top: 60px;
}

.philosophy-heading {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 40px;
  letter-spacing: -1px;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.philosophy-card {
  background: var(--white);
  border-radius: 8px;
  padding: 40px 25px;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.philosophy-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.philosophy-card-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.philosophy-card-icon svg {
  width: 50px;
  height: 50px;
  stroke: var(--text-dark);
  stroke-width: 1.5;
  fill: none;
}

.philosophy-card-text {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.5px;
}

/* ============ CONTACT PAGE ============ */
.contact-content {
  padding: 80px 0;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.contact-info-card {
  padding: 30px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: var(--transition);
}

.contact-info-card:hover {
  border-color: var(--primary-blue);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.contact-info-card h4 {
  font-size: 14px;
  color: var(--primary-blue);
  font-weight: 700;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-info-card p {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.8;
}

.contact-map {
  width: 100%;
  height: 400px;
  background: #e8e8e8;
  border-radius: 4px;
  overflow: hidden;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ============ COMPANY ABOUT PAGE ============ */
.about-section {
  margin-bottom: 80px;
}

.about-overview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--border-color);
}

.about-overview-item {
  padding: 30px 35px;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

.about-overview-item:nth-child(2n) {
  border-right: none;
}

.about-overview-label {
  min-width: 100px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-blue);
}

.about-overview-value {
  font-size: 14px;
  color: var(--text-dark);
}

/* ============ ORGANIZATION PAGE ============ */
.org-chart {
  max-width: 800px;
  margin: 0 auto;
}

.org-chart-top {
  text-align: center;
  margin-bottom: 40px;
}

.org-box {
  display: inline-block;
  padding: 15px 40px;
  background: var(--primary-blue);
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  border-radius: 4px;
}

.org-box.sub {
  background: #4a6fa5;
  font-size: 14px;
  padding: 12px 30px;
}

.org-line {
  width: 2px;
  height: 30px;
  background: var(--border-color);
  margin: 0 auto;
}

.org-row {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 20px;
}

.org-item {
  text-align: center;
}

.org-item .org-box {
  font-size: 13px;
  padding: 10px 25px;
}

/* ============ MOBILE MENU ============ */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--white);
  z-index: 2000;
  padding: 80px 30px 30px;
  transition: right 0.4s ease;
  box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-item {
  border-bottom: 1px solid #eee;
}

.mobile-nav-link {
  display: block;
  padding: 15px 0;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
}

.mobile-sub-menu {
  display: none;
  padding-left: 15px;
  padding-bottom: 10px;
}

.mobile-sub-menu.open {
  display: block;
}

.mobile-sub-menu a {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-gray);
}

.mobile-sub-menu a:hover {
  color: var(--primary-blue);
}

/* ============ ANIMATE ON SCROLL ============ */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 36px;
  }

  .split-title {
    font-size: 40px;
  }

  .company-title {
    font-size: 40px;
  }

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

  .section-notice {
    flex-direction: column;
    gap: 30px;
  }

  .notice-left {
    width: 100%;
  }

  .greeting-body {
    flex-direction: column;
  }

  .greeting-image {
    flex: none;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header {
    padding: 0 20px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-sub {
    font-size: 15px;
  }

  .section-split {
    flex-direction: column !important;
    min-height: auto;
  }

  .split-content {
    padding: 40px 30px;
  }

  .split-image {
    min-height: 300px;
  }

  .split-title {
    font-size: 32px;
  }

  .about-title {
    font-size: 26px;
  }

  .company-title {
    font-size: 32px;
  }

  .pillars-grid {
    grid-template-columns: 1fr;
  }

  .contact-icons {
    flex-wrap: wrap;
    gap: 30px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 30px;
  }

  .footer-right {
    align-items: flex-start;
  }

  .sub-banner {
    height: 300px;
  }

  .sub-banner-title {
    font-size: 32px;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
  }

  .contact-info-grid {
    grid-template-columns: 1fr;
  }

  .about-overview {
    grid-template-columns: 1fr;
  }

  .about-overview-item {
    border-right: none;
  }

  .media-slider {
    flex-direction: column;
  }

  .media-card {
    min-width: 100%;
  }
}

/* ============ CONTACT FORM ============ */
.privacy-box {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 30px;
  margin-bottom: 40px;
}

.privacy-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 15px;
}

.privacy-textarea {
  width: 100%;
  height: 150px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 15px;
  font-size: 13px;
  color: var(--text-gray);
  font-family: 'Noto Sans KR', sans-serif;
  line-height: 1.8;
  resize: none;
  background: var(--section-bg);
  margin-bottom: 15px;
}

.privacy-agree {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  cursor: pointer;
}

.privacy-agree input {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--primary-blue);
}

.contact-form-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-form-group label {
  font-size: 14px;
  font-weight: 600;
}

.required {
  color: var(--primary-blue);
}

.contact-form-group input,
.contact-form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 14px;
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--text-dark);
  transition: var(--transition);
  outline: none;
}

.contact-form-group input:focus,
.contact-form-group textarea:focus {
  border-color: var(--primary-blue);
}

.contact-form-group textarea {
  height: 200px;
  resize: vertical;
}

.contact-form-btn {
  display: flex;
  gap: 15px;
  margin-top: 10px;
}

#contact-submit {
  padding: 14px 40px;
  background: var(--primary-blue);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Noto Sans KR', sans-serif;
  cursor: pointer;
  transition: var(--transition);
}

#contact-submit:hover {
  background: var(--text-dark);
}

#contact-submit:disabled {
  background: var(--text-light);
  cursor: not-allowed;
}

#contact-reset {
  padding: 14px 40px;
  background: none;
  color: var(--text-gray);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Noto Sans KR', sans-serif;
  cursor: pointer;
  transition: var(--transition);
}

#contact-reset:hover {
  border-color: var(--text-dark);
  color: var(--text-dark);
}

#contact-result {
  font-size: 14px;
  font-weight: 500;
  margin-top: 5px;
}

@media (max-width: 768px) {
  .contact-form-row {
    grid-template-columns: 1fr;
  }
}