/* Web Font Loading */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&display=swap');
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

html {
    overflow-x: hidden;
    width: 100%;
}

/* Responsive visibility classes */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none !important;
}

/* Text alignment utility classes */
.text-center {
    text-align: center;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    
    .mobile-only {
        display: block !important;
    }
}

.container {
    padding: 0 20px;
    width: 100%;
}

.program .container {
    padding: 0 10px;
}

/* Header/Hero Section */
.hero {
    background: url(img/pc_main_background.png) center / cover no-repeat;
    color: white;
    height: 730px;
    position: relative;
    overflow: hidden;
}

/* Mobile Hero Section */
.mobile-hero {
    color: white;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100vw;
    background: #00083B;
}

.header-background-mobile {
    width: 100%;
    background: linear-gradient(180deg, #0A30EA 0%, #00083B 100%);
    height: 1400px;
    position: absolute;
    top: 540px;
    left: 0;
}

.mobile-hero-content {
    display: flex;
    flex-direction: column;
    text-align: center;
    padding: 120px 20px 60px;
    min-height: 100vh;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

.mobile-hero-text {
    flex: 1;
    position: relative;
    z-index: 2;
}

.mobile-hero-tagline {
    color: #FFF;
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 24px;
    font-style: normal;
    font-weight: 400;
    line-height: 32px;
    text-align: left;
    margin-bottom: 15px;
}

.mobile-hero-title {
    color: #FFF;
    font-family: 'Noto Sans KR', 'Noto Sans HK', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 52px;
    font-style: normal;
    font-weight: 700;
    line-height: 56px;
    text-align: left;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 2px; /* 모바일용 SVG 요소들 간의 기본 간격 */
}

/* 모바일용 SVG 기반 OKESTRO 로고 스타일 */
.mobile-hero-title svg {
    display: inline-block;
    vertical-align: middle;
}

/* 모바일용 O와 ® 심볼을 함께 그룹화 */
.mobile-hero-title svg:first-child {
    position: relative;
    margin-right: 0; /* O와 ® 사이 간격 제거 */
}

.mobile-hero-title svg:nth-child(8) {
    position: absolute;
    top: -8px;
    right: -12px;
    width: 12px;
    height: 12px;
    z-index: 1;
}


/* 모바일용 나머지 SVG 요소들 간격 조정 */
.mobile-hero-title svg:nth-child(2),
.mobile-hero-title svg:nth-child(3),
.mobile-hero-title svg:nth-child(4),
.mobile-hero-title svg:nth-child(5),
.mobile-hero-title svg:nth-child(6),
.mobile-hero-title svg:nth-child(7)
 {
    margin-left: 1px; /* 모바일용 글자 간격 조정 */
}

.mobile-hero-title div {
    display: block;
    width: 100%;
    text-align: left;
    /* margin-bottom: 10px;
    padding-bottom: 0px; */
}

.mobile-hero-title div:nth-child(1) {
    margin-bottom: -10px;
}

.mobile-hero-title div:nth-child(2) {
    margin-bottom: 15px;
}

.mobile-hero-details {
    text-align: center;
    position: relative;
    z-index: 3;
    margin-top: -30px;
}

.mobile-hero-details p {
    color: #DCEAFF;
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 18px;
    font-style: normal;
    font-weight: 700;
    line-height: 28px;
    margin-bottom: 8px;    
}

.mobile-vertical-bar {
    width: 1px;
    height: 150px;
    background-color: white;
    margin: 0 auto;
    margin-top: 20px;
    margin-bottom: 20px;
    stroke: white;
    position: relative;
    z-index: 2;
}

.mobile-hero-graphics {
    position: absolute;
    top: 240px;
    right: 0;
    width: 100%;
    height: 597px;
    opacity: 0.8;
    background: url(img/mobile_main_background_image.png) center / cover no-repeat;
    z-index: 0;
}

/* Mobile Introduction Section */
.mobile-introduction {
    background: linear-gradient(180deg, #466DFB 0%, #3b82f6 25%, #2563eb 50%, #1e3a8a 75%, #2563eb 100%);
    color: white;
    padding: 60px 20px;
    position: relative;
    scroll-margin-top: 80px;
}

.mobile-intro-content {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
    padding: 0;
    color: white;
    position: relative;
    z-index: 2;
    margin-bottom: 130px;
}

.mobile-intro-content h2 {
    color: white;
    text-align: center;
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 20px;
    font-style: normal;
    font-weight: 600;
    line-height: 28px;
    margin-bottom: 30px;
}

.mobile-intro-content p {
    color: white;
    text-align: center;
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: 24px;
    margin-bottom: 15px;
}

/* Mobile Hero - Extended gradient for seamless transition */
@media (max-width: 768px) {
    .hero.desktop-only {
        background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 20%, #3b82f6 40%, #466DFB 60%, #3b82f6 80%, #1e3a8a 100%);
        min-height: auto;
        padding-bottom: 0;
    }
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    transition: background-color 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background-color: #000000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-logo {
    width: 188px;
    height: 35.941px;
    flex-shrink: 0;
}

.nav-logo svg {
    width: 100%;
    height: 100%;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: #FFF;
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    text-decoration: none;
}

.register-nav-btn {
    width: 138px;
    height: 54px;
    flex-shrink: 0;
    background: #232343;
    color: white;
    border: none;
    border-radius: 43px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.register-nav-btn:hover {
    background: #1a1a2e;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-btn span {
    width: 100%;
    height: 3px;
    background-color: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 224px;
}

.hero-text {
    flex: 1;
    position: relative;
    z-index: 2;
}

.hero-tagline {
    color: #FFF;
    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 38.279px;
    font-style: normal;
    font-weight: 600;
    line-height: 130%;
    text-align: center;
    margin-bottom: 20px;
}

.hero-title {
    color: #FFF;
    font-family: 'Noto Sans KR', 'Noto Sans HK', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 76.146px;
    font-style: normal;
    font-weight: 700;
    line-height: 114.459px;
    text-align: center;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px; /* SVG 요소들 간의 기본 간격 */
}

/* SVG 기반 OKESTRO 로고 스타일 */
.hero-title svg {
    display: inline-block;
    vertical-align: middle;
}

/* O와 ® 심볼을 함께 그룹화 */
.hero-title svg:first-child {
    position: relative;
    margin-right: 0; /* O와 ® 사이 간격 제거 */
}

.hero-title svg:nth-child(8) {
    position: relative;
    top: -20px;
    right: 25px;
    z-index: 1;
}

/* 나머지 SVG 요소들 간격 조정 */
.hero-title svg:nth-child(3),
.hero-title svg:nth-child(4),
.hero-title svg:nth-child(5),
.hero-title svg:nth-child(6),
.hero-title svg:nth-child(7),
.hero-title svg:nth-child(8) {
    margin-left: 2px; /* 글자 간격 조정 */
}

.hero-title-svg-container {
    padding-bottom: 13px;
    /* transform: scale(0.8); /* SVG 컨테이너 전체 크기를 80%로 축소 */
    /* transform-origin: center center; 중앙을 기준으로 축소 */
}

.hero-details {
    text-align: center;
}

.hero-details p {
    color: #DCEAFF;
    font-family: Pretendard;
    font-size: 29.041px;
    font-style: normal;
    font-weight: 700;
    line-height: 68.011px;
    margin-bottom: 10px;
}


/* Introduction Section */
.introduction {
    height: 661px;
    flex-shrink: 0;
    background: #F7F8FA;
    display: flex;
    justify-content: center;
    scroll-margin-top: 80px;
}

.intro-content {
    max-width: 1262px;
    max-height: 423px;
    margin: 0 auto;
    text-align: center;
    padding: 107px 20px 0;    
    margin-bottom: 131px;
}

.intro-content h2 {
    color: #111;
    text-align: center;
    font-family: Pretendard;
    font-size: 23px;
    font-style: normal;
    font-weight: 600;
    line-height: 181%;
    margin-bottom: 30px;
}

.intro-content p {
    color: #111;
    text-align: center;
    font-family: Pretendard;
    font-size: 23px;
    font-style: normal;
    font-weight: 600;
    line-height: 181%;
    margin-bottom: 20px;
}

/* Program Section */
.program {
    background: white;
    padding: 120px 0;
    scroll-margin-top: 80px;
}

/* Desktop Program List */
.desktop-program-list {
    width: 100%;
    list-style: none;
    padding: 0;
    margin: 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #D1D1D1;
}

.desktop-program-list .program-item {
    display: flex;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid #D1D1D1;
}

.desktop-program-list .program-item:last-child {
    border-bottom: none;
}

.desktop-program-list .time-cell {
    width: 200px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #A4A4A4;
    font-size: 16px;
    font-weight: 500;
}

.desktop-program-list .content-cell {
    flex: 1;
    padding-left: 20px;
}

.desktop-program-list .content-cell > div {
    color: #000;
    font-family: Pretendard;
    font-size: 18px;
    font-style: normal;
    font-weight: 700;
    line-height: 150%;
}

.desktop-program-list .track-label {
    color: #888888;
    font-size: 14px;
    font-family: Pretendard;
    font-style: normal;
    font-weight: 600;
    line-height: 150%;
    margin-top: 4px;
}

.desktop-program-list .keynote,
.desktop-program-list .techsession,
.desktop-program-list .partner {
    width: fit-content;
    height: 26px;
    flex-shrink: 0;
    border-radius: 3.5px;
    border: 0.875px solid;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
}

.desktop-program-list .keynote {
    background: #FFE8E8;
    border-color: #FF6B6B;
    color: #FF6B6B;
}

.desktop-program-list .techsession {
    background: #E8F4FF;
    border-color: #4A90E2;
    color: #4A90E2;
}

.desktop-program-list .partner {
    background: #E8FFF0;
    border-color: #4CAF50;
    color: #4CAF50;
}

/* Mobile Program List */
.mobile-program-list {
    display: block;
    list-style: none;
    padding: 0;
    margin: 0;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 8px;
    overflow: hidden;
    border: none; /* 좌우 보더라인 제거 */
}

.program-item {
    display: flex;
    flex-direction: row; /* 시간과 내용을 가로로 배치 */
    align-items: center; /* 세로 중앙 정렬 */
    padding: 20px 30px;
    border-bottom: 1px solid #D1D1D1;
    min-height: 120px;
    justify-content: flex-start; /* 왼쪽 정렬 */
}

.mobile-program-list .program-item:first-child {
    border-top: 1px solid #D1D1D1;
}

.mobile-time-cell {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #A4A4A4;
    font-size: 16px;
    margin-bottom: 0; /* 가로 배치에서는 하단 마진 제거 */
    min-width: 200px; /* 시간 영역의 최소 너비 설정 */
    flex-shrink: 0; /* 시간 영역이 줄어들지 않도록 설정 */
    height: 24px; /* 고정 높이 설정 */
}

.mobile-time-cell img {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    object-fit: contain;
}

.mobile-time-cell div {
    line-height: 1;
    display: flex;
    align-items: center;
}

.mobile-content-cell {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1; /* 남은 공간을 모두 차지하도록 설정 */
    padding-left: 25px;
}

.mobile-content-cell > div {
    color: #000;
    font-family: Pretendard;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 150%;
}

.mobile-content-cell .track-label2 {
    color: #888888;
    font-size: 16px;
    font-family: Pretendard;
    font-style: normal;
    font-weight: 600;
    line-height: 150%;
    display: block;
    flex-direction: column;
    gap: 2px;
}

.mobile-content-cell .track-label {
    color: #888888;
    font-size: 16px;
    font-family: Pretendard;
    font-style: normal;
    font-weight: 600;
    line-height: 150%;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mobile-content-cell .keynote,
.mobile-content-cell .techsession,
.mobile-content-cell .partner {
    width: fit-content;
    height: fit-content;
    flex-shrink: 0;
    border-radius: 3.5px;
    border: 0.875px solid;
    font-family: Pretendard;
    font-size: 14px;
    font-style: normal;
    font-weight: 500;
    line-height: 150%;
    display: inline-block;
    text-align: center;
    padding: 2px 8px;
    box-sizing: border-box;
}

.mobile-content-cell .keynote {
    border-color: #00CEF3;
    color: #00CEF3;
}

.mobile-content-cell .techsession {
    border-color: #4156F9;
    color: #4156F9;
}

.mobile-content-cell .partner {
    border-color: #AC41F9;
    color: #AC41F9;
}

.grey-bg {
    background: #f5f5f5;
}

/* Break Time 아이콘과 텍스트를 한 줄에 표시 */
.mobile-content-cell.break-time {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

.mobile-content-cell.break-time svg {
    flex-shrink: 0;
}

.mobile-content-cell.break-time div {
    margin: 0;
}

.program-title {
    font-size: 32px;
    margin-bottom: 40px;
    text-align: center;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;

    font-family: Pretendard;
    font-size: 46px;
    font-style: normal;
    font-weight: 700;
    line-height: 270%; /* 124.2px */
}

.program-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.program-table {
    max-width: 1200px;
    margin: 0 auto;
}

.program-table .desktop-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #D1D1D1;
}

.program-table th {
    background: #1e3a8a;
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: bold;
}

.program-table td {
    padding: 15px;
    border-bottom: 1px solid #D1D1D1;
    color:#A4A4A4;
    height: 132px;
    font-size: 22pt;
    vertical-align: middle;
}

.program-table tr:first-child td {
    border-top: 1px solid #D1D1D1;
}

.program-table td > div,
.program-table td > span:not(.keynote):not(.track-label) {
    color: #000;
    font-family: Pretendard;
    font-size: 24px;
    font-style: normal;
    font-weight: 700;
    line-height: 150%; /* 36px */
}

.program-table tr:hover {
    background: #f8fafc;
}

.time-cell {
    display: flex;
    align-items: center;
    gap: 8px;
    color:#A4A4A4;
}

.time-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.track-label {
    color: #888888;
    font-size: 17px;
    height: 26px;
    flex-shrink: 0;
    font-family: Pretendard;
    font-style: normal;
    font-weight: 600;
    line-height: 150%; /* 22.312px */
    display: inline-block;
    text-align: left;
}

.keynote {
    width: 77px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 3.5px;
    border: 0.875px solid #00CEF3;
    color: #00CEF3;
    font-family: Pretendard;
    font-size: 14.875px;
    font-style: normal;
    font-weight: 500;
    line-height: 150%; /* 22.312px */
    display: inline-block;
    text-align: center;
    padding: 2px 8px;
    box-sizing: border-box;
}

.techsession {
    width: 110px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 3.5px;
    border: 0.875px solid #4156F9;
    color: #4156F9;
    font-family: Pretendard;
    font-size: 14.875px;
    font-style: normal;
    font-weight: 500;
    line-height: 150%; /* 22.312px */
    display: inline-block;
    text-align: center;
    padding: 2px 8px;
    box-sizing: border-box;
}

.partner {
    width: 182px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 3.5px;
    border: 0.875px solid #AC41F9;
    color: #AC41F9;
    font-family: Pretendard;
    font-size: 14.875px;
    font-style: normal;
    font-weight: 500;
    line-height: 150%; /* 22.312px */
    display: inline-block;
    text-align: center;
    padding: 2px 8px;
    box-sizing: border-box;
}

/* Registration Section */
.registration {
    background: #2B2B3E;
    color: white;
    padding-bottom: 160px;
    scroll-margin-top: 80px;
}

.registration-header {
    text-align: center;
    margin-bottom: 50px;
    padding-top: 158px;
}

.registration-header h2 {
    font-size: 32px;
    margin-bottom: 20px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.registration-header p {
    margin-bottom: 10px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: #FFF;
    font-family: Pretendard;
    font-size: 19px;
    font-style: normal;
    font-weight: 400;
    line-height: 100%; /* 31.2px */
}

.registration-form {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.registration-header-logo {
    margin-top: 20px;
}
.registration-header-logo svg {
    transform: scale(0.6);
}

.registration-header-logo svg:nth-child(1) {
    margin-right: -18px;
}

.registration-header-logo svg:nth-child(8) {
    position: relative;
    top: -37px;
    right: 10px;
    z-index: 1;
}
.registration-header-logo svg:nth-child(6) {
    margin-right: -21px;
}

.registration-header-logo svg:nth-child(2),
.registration-header-logo svg:nth-child(3),
.registration-header-logo svg:nth-child(4),
.registration-header-logo svg:nth-child(5),
.registration-header-logo svg:nth-child(7) {
    margin-right: -13px;
}

.registration-header-title {
    color: #FFF;
    font-family: 'Noto Sans KR', 'Noto Sans HK', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 50.325px;
    font-style: normal;
    font-weight: 700;
    line-height: 75.646px; /* 150.315% */
}

.form-group {
    margin-bottom: 20px;
    text-align: center;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 799px;
    height: 74px;
    flex-shrink: 0;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.80);
    background: rgba(255, 255, 255, 0.00);
    padding: 15px;
    font-size: 18px;
    color: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-checkboxes {
    margin: 30px 0;
    text-align: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 10px;
}

.checkbox-label span {
    font-size: 16px;
}

.view-btn {
    color: #808080;
    text-decoration: underline;
    cursor: pointer;
    margin-left: 10px;
}

.view-btn:hover {
    color: #A0A0A0;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid #e5e7eb;
    background-color: #f8fafc;
    position: sticky;
    top: 0;
    z-index: 10;
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #000;
}

.close {
    cursor: pointer;
}

.close-btn {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close-btn:hover {
    color: #000;
}

.modal-body {
    padding: 30px;
    max-height: calc(80vh - 80px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.modal-body p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: #000;
}

.modal-body h4 {
    margin: 20px 0 15px 0;
    color: #000;
    font-size: 18px;
    font-weight: 600;
}

.modal-body h5 {
    margin: 15px 0 10px 0;
    color: #000;
    font-size: 16px;
    font-weight: 600;
}

.modal-body ul {
    margin: 10px 0 15px 20px;
}

.modal-body li {
    margin-bottom: 8px;
    line-height: 1.5;
    color: #555;
}

.modal-body p {
    line-height: 2;
    color: #555
}

.registration-form button.register-btn {
    width: 280px;
    height: 68px;
    flex-shrink: 0;
    background: #FFFFFF;
    color: #1F2641;
    border: none;
    border-radius: 43px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.registration-form button.register-btn:hover {
    background: #FFFFFF;
}

.registration-form {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}



/* Pre-Event Section */
.pre-event {
    background: #ffffff;
    padding: 80px 0;
}

.pre-event-title {
    margin-bottom: 20px;
    text-align: center;
    color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;

    font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 46px;
    font-style: normal;
    font-weight: 700;
    line-height: 270%; /* 124.2px */
}

.pre-event-icon {
    font-size: 28px;
}

.pre-event-sub-title {
    height: 31.433px;
    flex-shrink: 0;
    color: #4156F9;
    text-align: center;
    font-family: Pretendard;
    font-size: 27px;
    font-style: normal;
    font-weight: 800;
    line-height: 148%; /* 39.96px */
    margin-bottom: 32px;
}

.pre-event-description {
    margin-bottom: 75px;
    color: #000;
    text-align: center;
    font-family: Pretendard;
    font-size: 24px;
    font-style: normal;
    font-weight: 400;
    line-height: 162%; /* 38.88px */
    display: flex;
    flex-direction: column;
}

.pre-event-content {
    color: #000;
    text-align: center;
    font-family: Pretendard;
    font-size: 45px;
    font-style: normal;
    font-weight: 700;
    line-height: 148%; /* 66.6px */
    margin-bottom: 23px;
}

.video-player {
    max-width: 1034px;
    max-height: 582px;
    margin: 0 auto;
    margin-bottom: 36px;
}

.event-title {
    max-width: 255px;
    margin: 0 auto;
    margin-bottom: 94px;
}

.video-player iframe {
    width: 100%;
    height: 582px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.mb-80 {
    margin-bottom: 80px;
}

/* Footer */
.footer {
    background: #F7F8FA;
    padding: 40px 400px;
    border-top: 1px solid #e5e7eb;
}

/* Footer for completion page */
.complete-page .footer {
    margin-top: auto;
}

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

.footer-logo {
    width: 188px;
    height: 35.941px;
    flex-shrink: 0;
}

.footer-logo svg {
    width: 100%;
    height: 100%;
}

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

.footer-link {
    color: #AAA;
    font-family: Pretendard;
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 130%; /* 26px */
    text-decoration: none;
    cursor: pointer;
}

.footer-link:hover {
    color: #1e3a8a;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Mobile Navigation */
    .mobile-menu-btn {
        display: flex;
    }
    
    .navbar {
        height: 94px;
        padding: 15px 20px;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 40px;
        gap: 30px;
        transition: left 0.3s ease;
        z-index: 9;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-link {
        font-size: 24px;
        padding: 15px 0;
    }
    
    .register-nav-btn {
        margin-top: 20px;
        width: 200px;
        height: 50px;
        font-size: 18px;
    }
    
    /* Mobile Hero Section */
    .hero-content.desktop-only {
        flex-direction: column;
        text-align: center;
        padding: 120px 20px 60px;
        min-height: 100vh;
    }
    
    .hero-title.desktop-only {
        font-size: 42px;
        line-height: 56px;
        margin-bottom: 20px;
    }
    
    .hero-tagline.desktop-only {
        font-size: 24px;
        line-height: 32px;
        margin-bottom: 15px;
    }
    
    .hero-details.desktop-only p {
        font-size: 18px;
        line-height: 28px;
        margin-bottom: 8px;
    }
    
    .hero-graphics.desktop-only {
        position: absolute;
        top: 0;
        right: 0;
        width: 100%;
        height: 100%;
        opacity: 0.3;
        background-size: cover;
        background-position: center;
    }
    
    /* Mobile Hero adjustments */
    .mobile-hero-title {
        font-size: 52px;
        line-height: 56px;
        margin-bottom: 20px;
        display: block;
        margin-left: auto;
        margin-right: auto;
        width: fit-content;
    }
    
    .mobile-hero-title svg {
        display: inline-block;
        vertical-align: middle;
    }
    
    .mobile-hero-title svg:first-child {
        position: relative;
        margin-right: 0;
    }
    
    .mobile-hero-title svg:nth-child(8) {
        position: relative;
        top: -20px;
        right: 20px;
        z-index: 1;
    }
    
    .mobile-hero-title svg:nth-child(3),
    .mobile-hero-title svg:nth-child(4),
    .mobile-hero-title svg:nth-child(5),
    .mobile-hero-title svg:nth-child(6),
    .mobile-hero-title svg:nth-child(7),
    .mobile-hero-title svg:nth-child(8) {
        margin-left: 1px;
    }
    
    .mobile-hero-tagline {
        font-size: 18px;
        line-height: 32px;
        margin-bottom: 15px;
        text-align: center;
    }
    
    .mobile-hero-details p {
        font-size: 18px;
        line-height: 28px;
        margin-bottom: 8px;
    }
    
    /* Mobile Introduction adjustments */
    .mobile-intro-content h2 {
        font-size: 20px;
        line-height: 28px;
        margin-bottom: 30px;
    }
    
    .mobile-intro-content p {
        font-size: 16px;
        line-height: 24px;
        margin-bottom: 15px;
    }
    
    /* Mobile Program */
    .program {
        padding: 60px 20px;
    }
    
    .program-title {
        color: #000;
        font-family: Pretendard;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 270%; /* 86.4px */
    }

    .program-title svg {
        transform: scale(0.7);
        margin-bottom: 5px;
        margin-right: -10px;
    }
    
    .desktop-program-list {
        display: none;
    }
    
    .mobile-program-list {
        display: block;
        padding: 0 20px;
        border: none;
        background: transparent;
    }
    
    .program-item {
        padding: 15px 0;
        min-height: auto;
        flex-direction: column; /* 모바일에서는 세로 배치 */
        align-items: flex-start; /* 왼쪽 정렬 */
    }
    
    .mobile-time-cell {
        font-size: 12px;
        gap: 4px;
        margin-bottom: 10px; /* 모바일에서는 하단 마진 추가 */
        min-width: auto; /* 모바일에서는 최소 너비 제거 */
        flex-shrink: 1; /* 모바일에서는 줄어들 수 있도록 */
    }
    
    .mobile-content-cell > div {
        font-size: 21px;
        line-height: 32px;
    }
    
    .mobile-content-cell .track-label2 {
        font-size: 17px;
        line-height: 22px;
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .mobile-content-cell .track-label {
        font-size: 17px;
        line-height: 16px;
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .track-label span {
        bottom: 5px;
    }

    .double-line {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    
    .mobile-content-cell .keynote,
    .mobile-content-cell .techsession,
    .mobile-content-cell .partner {
        font-size: 14.8px;
    }
    
    .program-table td {
        padding: 12px 8px;
        height: auto;
        min-height: 80px;
        font-size: 16px;
    }
    
    .program-table td > div,
    .program-table td > span:not(.keynote):not(.track-label) {
        font-size: 18px;
        line-height: 24px;
    }
    
    .time-cell {
        font-size: 14px;
        gap: 6px;
    }
    
    .time-icon {
        width: 16px;
        height: 16px;
    }
    
    .keynote,
    .techsession,
    .partner {
        font-size: 12px;
        padding: 1px 6px;
    }
    
    .track-label {
        font-size: 14px;
        line-height: 20px;
    }
    
    /* Mobile Registration */
    .registration {
        height: auto;
        padding: 60px 20px;
    }
    
    .registration-header {
        padding-top: 10px;
        margin-bottom: 40px;
        display: block;
        margin-left: auto;
        margin-right: auto;
        width: fit-content;
    }
    
    .registration-header h2 {
        font-size: 28px;
    }

    .registration-header {
        margin-top: 20px;
    }
    .registration-header svg {
        transform: scale(0.6);
    }
    
    .registration-header svg:nth-child(8) {
        position: relative;
        top: -40px;
        right: 8px;
        z-index: 1;
    }
    .registration-header svg:nth-child(6) {
        margin-right: -20px;
    }
    
    .registration-header svg:nth-child(1),
    .registration-header svg:nth-child(2),
    .registration-header svg:nth-child(3),
    .registration-header svg:nth-child(4),
    .registration-header svg:nth-child(5),
    .registration-header svg:nth-child(7) {
        margin-right: -15px;
    }
    
    .registration-header-title {
        color: #FFF;
        font-family: 'Noto Sans KR', 'Noto Sans HK', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        font-size: 42.325px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.646px; /* 150.315% */
    }

    .registration-form .offline-text {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        max-width: 400px;
        height: 65px;
        font-size: 16px;
        text-align: center;
    }
    
    button.register-btn {
        width: 280px;
        height: 50px;
        font-size: 18px;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto;
    }

    .pre-event-title {
        margin-bottom: 20px;
        text-align: center;
        color: #000;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    
        font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 270%; /* 124.2px */
    }

    .pre-event-title svg {
        transform: scale(0.7);
        margin-bottom: 5px;
        margin-right: -10px;
    }
    
    .pre-event-icon {
        font-size: 33px;
    }
    
    .pre-event-description {
        color: #000;
        text-align: center;
        font-family: Pretendard;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 149%; /* 29.8px */
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }
    
    /* Mobile Video Player */
    .video-player {
        max-width: 100%;
        padding: 0 20px;
    }
    
    .video-player iframe {
        height: 250px;
    }
    
    /* Mobile Modal */
    .modal-content {
        margin: 5% auto;
        width: 95%;
        max-width: none;
        max-height: 90vh;
    }
    
    .modal-header {
        padding: 15px 20px;
    }
    
    .modal-header h3 {
        font-size: 18px;
    }
    
    .modal-body {
        padding: 20px;
        max-height: calc(90vh - 60px);
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
    
    .modal-body h4 {
        font-size: 16px;
    }
    
    .modal-body h5 {
        font-size: 14px;
    }
    
    /* Mobile Footer */
    .footer {
        padding: 40px 20px;
    }

    .footer-link {
        color: #838383;
        font-family: SUIT;
        font-size: 13.634px;
        font-style: normal;
        font-weight: 600;
        line-height: 130%; /* 17.724px */
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
        padding: 0 20px;
    }
    
    .footer-logo {
        width: 150px;
        height: 28.75px;
    }
    
    .footer-links {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
    }
    
    .footer-links .footer-link:last-child {
        flex-basis: 100%;
        text-align: center;
    }
}

/* 1270px 미만 화면용 미디어 쿼리 */
@media (max-width: 1270px) {
    .hero-title {
        display: block;
        margin-left: auto;
        margin-right: auto;
        width: fit-content;
    }

    .hero-title-svg-container {
        margin-bottom: -30px;
        /* transform: scale(0.7); /* 1270px 이하에서는 70%로 더 작게 축소 */
        /* transform-origin: center center; */
    }

    .hero-title-text {
        margin-bottom: -20px;
    }
    
    .hero-title div {
        display: block;
        width: 100%;
        text-align: left;
    }
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
    body {
        -webkit-overflow-scrolling: touch;
    }
    
    .mobile-hero,
    .mobile-hero-content {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
    
    .modal {
        -webkit-overflow-scrolling: touch;
    }
    
    .modal-body {
        -webkit-overflow-scrolling: touch;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}

@media (max-width: 480px) {
    /* Small Mobile Navigation */
    .navbar {
        height: 94px;
        padding: 15px 20px;
    }
    
    .nav-logo {
        width: 120px;
        height: 23px;
    }
    
    .mobile-menu-btn {
        width: 25px;
        height: 20px;
    }
    
    .nav-links {
        top: 70px;
        height: calc(100vh - 70px);
        padding-top: 30px;
        gap: 25px;
    }
    
    .nav-link {
        font-size: 20px;
        padding: 12px 0;
    }
    
    .register-nav-btn {
        width: 180px;
        height: 45px;
        font-size: 16px;
    }
    
    /* Small Mobile Hero */
    .hero-content.desktop-only {
        padding: 100px 15px 50px;
    }
    
    .hero-title.desktop-only {
        font-size: 32px;
        line-height: 42px;
        margin-bottom: 15px;
    }
    
    .hero-tagline.desktop-only {
        font-size: 20px;
        line-height: 28px;
        margin-bottom: 12px;
    }
    
    .hero-details.desktop-only p {
        font-size: 16px;
        line-height: 24px;
        margin-bottom: 6px;
    }
    
    /* Small Mobile Hero adjustments */
    .mobile-hero-content {
        background: url(img/mobile_main_background.png) center / cover no-repeat;
        display: flex;
        width: 100%;
        height: 837px;
        flex-direction: column;
        justify-content: center;
        flex-shrink: 0;
    }
    
    .mobile-hero-title img {
        width: 100%;
    }
    .mobile-hero-title {
        font-size: 52px;
        line-height: 42px;
        margin-bottom: 15px;
        display: block;
        margin-left: auto;
        margin-right: auto;
        width: fit-content;
    }
    
    .mobile-hero-title svg {
        display: inline-block;
        vertical-align: middle;
        transform: scale(0.7);
        margin-right: -15px;
    }
    
    .mobile-hero-title svg:first-child {
        position: relative;
        margin-right: -18px;
    }
    
    .mobile-hero-title svg:nth-child(8) {
        position: relative;
        top: -15px;
        right: 15px;
        z-index: 1;
    }

    .hero-title-svg-container {
        margin-left: -5px;
    }
    
    .mobile-hero-title svg:nth-child(6) {
        margin-right: -23px; /* 더 작은 화면에서는 간격 더 줄임 */
    }

    .mobile-hero-title svg:nth-child(2),
    .mobile-hero-title svg:nth-child(3),
    .mobile-hero-title svg:nth-child(4),
    .mobile-hero-title svg:nth-child(5),
    .mobile-hero-title svg:nth-child(7) {
        margin-left: 0.1px; /* 더 작은 화면에서는 간격 더 줄임 */
    }
    
    .mobile-hero-tagline {
        font-size: 18px;
        line-height: 24px;
        margin-bottom: 12px;
        text-align: left;
        margin-left: 14px;
    }
    
    .mobile-hero-details p {
        font-size: 18px;
        line-height: 24px;
        margin-bottom: 6px;
    }
    
    /* Small Mobile Introduction adjustments */
    .mobile-introduction {
        padding: 50px 15px;
    }
    
    .mobile-intro-content h2 {
        font-size: 18px;
        line-height: 26px;
        margin-bottom: 25px;
    }
    
    .mobile-intro-content p {
        margin-bottom: 12px;

        color: #FFF;
        text-align: center;
        font-family: Pretendard;
        font-size: 18px;
        font-style: normal;
        font-weight: 400;
        line-height: 200%; /* 40px */
        letter-spacing: -0.6px;
    }
 
    /* Small Mobile Program */
    .program {
        padding: 50px 15px 100px;
    }
    
    .program-title {
        color: #000;
        font-family: Pretendard;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 270%; /* 86.4px */
    }    
    
    .desktop-program-list {
        display: none;
    }
    
    .mobile-program-list {
        display: block;
        padding: 0;
        border: none;
        background: transparent;
    }
    
    .program-item {
        padding: 20px 10px;
        min-height: auto;
        flex-direction: column; /* 모바일에서는 세로 배치 */
        align-items: flex-start; /* 왼쪽 정렬 */
    }
    
    .mobile-time-cell {
        font-size: 19.8px;
        gap: 3px;
        margin-bottom: 8px; /* 모바일에서는 하단 마진 추가 */
        min-width: auto; /* 모바일에서는 최소 너비 제거 */
        flex-shrink: 1; /* 모바일에서는 줄어들 수 있도록 */
        height: 24px; /* 고정 높이 유지 */
    }

    .mobile-time-cell img {
        width: 16px;
        height: 16px;
        flex-shrink: 0;
        object-fit: contain;
    }

    .mobile-time-cell div {
        padding: 2px 0 3px 3px;
        font-family: Pretendard-medium;
        line-height: 1;
        display: flex;
        align-items: center;
        height: 24px; /* 고정 높이 유지 */
    }

    .mobile-time-cell svg {
        margin-right: 3px;
    }
    
    .program-table td {
        padding: 10px 6px;
        min-height: 70px;
        font-size: 14px;
    }
    
    .program-table td > div,
    .program-table td > span:not(.keynote):not(.track-label) {
        font-size: 16px;
        line-height: 22px;
    }
    
    .time-cell {
        font-size: 12px;
        gap: 4px;
    }
    
    .time-icon {
        width: 14px;
        height: 14px;
    }
    
    .keynote,
    .techsession,
    .partner {
        font-size: 10px;
        padding: 1px 4px;
    }
    
    .track-label {
        font-size: 12px;
        line-height: 18px;
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .track-label span {
        bottom: 5px;
    }
    
    /* Small Mobile Registration */
    .registration {
        padding: 50px 15px 100px;
    }
    
    .registration-header {
        padding-top: 50px;
        margin-bottom: 30px;
        margin-top: 0px;
    }

    .registration-header div {
        color: #FFF;
        text-align: center;
        font-family: "Noto Sans HK";
        font-size: 42.387px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.517px; /* 135.696% */
    }
    
    .registration-header svg {
        display: inline-block;
        vertical-align: middle;
        transform: scale(0.6);
        margin-right: -18px;
    }
    
    .registration-header svg:first-child {
        position: relative;
        margin-right: -25px;
    }
    
    .registration-header svg:nth-child(8) {
        position: relative;
        top: -15px;
        right: 10px;
        z-index: 1;
    }

    .registration-header svg:nth-child(6) {
        margin-right: -28px; /* 더 작은 화면에서는 간격 더 줄임 */
    }

    .registration-header svg:nth-child(2),
    .registration-header svg:nth-child(3),
    .registration-header svg:nth-child(4),
    .registration-header svg:nth-child(5),
    .registration-header svg:nth-child(7) {
        margin-right: -20px; /* 더 작은 화면에서는 간격 더 줄임 */
    }

    .registration-header h2 {
        font-size: 24px;
        display: block;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        max-width: 350px;
        height: 55px;
        font-size: 14px;
        text-align: left;
    }
    
    button.register-btn {
        width: 250px;
        height: 45px;
        font-size: 16px;
        text-align: center;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto;
    }
    
    .pre-event-title {
        margin-bottom: 20px;
        text-align: center;
        color: #000;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    
        font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 270%; /* 124.2px */
    }

    .pre-event-title svg {
        transform: scale(0.7);
        margin-bottom: 5px;
        margin-right: -10px;
    }
    
    .pre-event-icon {
        font-size: 33px;
    }
    
    .pre-event-description {
        color: #000;
        text-align: center;
        font-family: Pretendard;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 149%; /* 29.8px */
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0px;
        margin-bottom: 40px;
    }

    .pre-event-description span {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .pre-event-sub-title {
        color: #4156F9;
        text-align: center;
        font-family: Pretendard;
        font-size: 20px;
        font-style: normal;
        font-weight: 800;
        line-height: 149%; /* 29.8px */
        margin-bottom: 8px;
    }

    .pre-event-content {
        gap: 10px;
        color: #000;
        text-align: center;
        font-family: Pretendard;
        font-size: 31px;
        font-style: normal;
        font-weight: 700;
        line-height: 146%; /* 45.26px */
        margin-bottom: 16px;
    }

    .pre-event-content span {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .video-player {
        max-width: 326px;
        max-height: 211px;
        padding: 0;
        margin-bottom: 14px;
    }

    .event-title {
        max-width: 160px;
        margin-bottom: 66px;
    }

    /* Small Mobile Video Player */
    .video-player iframe {
        height: 200px;
    }
    
    /* Small Mobile Modal */
    .modal-content {
        margin: 2% auto;
        width: 98%;
        max-height: 96vh;
    }
    
    .modal-header {
        padding: 12px 15px;
    }
    
    .modal-header h3 {
        font-size: 16px;
    }
    
    .modal-body {
        padding: 15px;
        max-height: calc(96vh - 50px);
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
    
    .modal-body h4 {
        font-size: 18px;
    }
    
    .modal-body h5 {
        font-size: 16px;
    }
    
    /* Small Mobile Footer */
    .footer {
        padding: 40px 20px;
    }

    .footer-link {
        color: #838383;
        font-family: SUIT;
        font-size: 13.634px;
        font-style: normal;
        font-weight: 600;
        line-height: 130%; /* 17.724px */
    }

    .footer-logo {
        width: 120px;
        height: 23px;
    }

    .sponsor-image {
        padding-bottom: 32px;
    }

    .sponsor-image:nth-child(1) {
        padding-bottom: 56px;
    }
}

@media (max-width: 370px) {
    .form-checkboxes span, .offline-text span {
        font-size: 14px;
    }
}

.black-bg {
    background-color: #000;
}

/* Completion Page Styles */
body.complete-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero-complete {
    background: url(img/subpage_top_background.png) center / cover no-repeat;
    height: 469px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content-complete {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
    min-height: 310px;
    margin-top: 90px;
}

.hero-text-complete {
    flex: 1;
    color: white;
    text-align: center;
}

.hero-title-complete {
    color: #FFF;
    font-family: "Noto Sans HK";
    font-size: 76.146px;
    font-style: normal;
    font-weight: 700;
    line-height: 114.459px; /* 150.315% */
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* SVG 기반 OKESTRO 로고 스타일 */
.hero-title-complete svg {
    display: inline-block;
    vertical-align: middle;
    margin-bottom: -10px;
}

/* O와 ® 심볼을 함께 그룹화 */
.hero-title-complete svg:first-child {
    position: relative;
    margin-right: 0; /* O와 ® 사이 간격 제거 */
}

.hero-title-complete svg:nth-child(6) {
    margin-right: -10px; /* 글자 간격 조정 */
}

.hero-title-complete svg:nth-child(8) {
    position: relative;
    top: -20px;
    right: 15px;
    z-index: 1;
}

/* 나머지 SVG 요소들 간격 조정 */
.hero-title-complete svg:nth-child(3),
.hero-title-complete svg:nth-child(4),
.hero-title-complete svg:nth-child(5),
.hero-title-complete svg:nth-child(7),
.hero-title-complete svg:nth-child(8) {
    margin-left: 2px; /* 글자 간격 조정 */
}


.hero-subtitle-complete {
    color: #FFF;
    font-family: Pretendard;
    font-size: 38.279px;
    font-style: normal;
    font-weight: 600;
    line-height: 130%; /* 49.763px */
}

.hero-graphics-complete {
    position: absolute;
    top: 0;
    right: 0;
    width: 939.751px;
    height: 400px;
    flex-shrink: 0;
    aspect-ratio: 939.75/804.00;
    background: url(img/Untitlsdfsdfgdfgdsfhgdsgasddfgfasdfsadfsdfsded\ 3.png) 1% / cover no-repeat;
    z-index: 1;
}

.completion-section {
    background-color: white;
    padding: 90px 0;
    min-height: 400px;
    display: flex;
    align-items: center;
    flex: 1;
}

#inquiryForm button {
    margin-top: 84px;
}

.completion-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

.completion-title {
    font-family: 'Pretendard', sans-serif;
    font-size: 32px;
    margin-bottom: 24px;
    color: #000;
    text-align: center;
    font-style: normal;
    font-weight: 500;
    line-height: 180%; /* 50.4px */
}

.noinquiry-btn-container {
    margin-top: 86px;
}

.completion-message {
    font-family: 'Pretendard', sans-serif;
    font-size: 18px;
    font-weight: 400;
    color: #666666;
    line-height: 1.6;
}

/* Mobile Completion Page Styles */
@media (max-width: 768px) {
    .hero-complete {
        background: url(img/mobile_subpage_top_background.png) center / cover no-repeat;
        min-height: 250px;
    }
    
    .hero-content-complete {
        min-height: 250px;
        flex-direction: column;
        text-align: center;
        padding: 30px 20px 40px;
    }
    
    .hero-title-complete {
        font-size: 36px;
        margin-bottom: 12px;
    }
    
    .hero-subtitle-complete {
        font-size: 20px;
    }
    
    .hero-graphics-complete {
        width: 300px;
    }
    
    .completion-section {
        padding: 60px 0;
        min-height: 300px;
    }
    
    .completion-title {
        font-size: 28px;
        margin-bottom: 20px;
    }
    
    .completion-message {
        font-size: 16px;
    }

    .hero-title-complete {
        color: #FFF;
        text-align: center;
        text-shadow: 0 0 13px rgba(0, 0, 0, 0.25);
        font-family: "Noto Sans HK";
        font-size: 42.387px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.517px; /* 135.696% */
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }
    
    /* SVG 기반 OKESTRO 로고 스타일 */
    .hero-title-complete svg {
        display: inline-block;
        vertical-align: middle;
        margin-bottom: -10px;
    }
    
    /* O와 ® 심볼을 함께 그룹화 */
    .hero-title-complete svg:first-child {
        position: relative;
        margin-right: 0; /* O와 ® 사이 간격 제거 */
    }
    
    .hero-title-complete svg:nth-child(6) {
        margin-right: -10px; /* 글자 간격 조정 */
    }
    
    .hero-title-complete svg:nth-child(8) {
        position: relative;
        top: -20px;
        right: 15px;
        z-index: 1;
    }
    
    /* 나머지 SVG 요소들 간격 조정 */
    .hero-title-complete svg:nth-child(3),
    .hero-title-complete svg:nth-child(4),
    .hero-title-complete svg:nth-child(5),
    .hero-title-complete svg:nth-child(7),
    .hero-title-complete svg:nth-child(8) {
        margin-left: 2px; /* 글자 간격 조정 */
    }

    #inquiryForm button {
        margin-top: 64px;
    }
}

@media (max-width: 480px) {
    .hero-complete {
        background: url(img/mobile_subpage_top_background.png) center / cover no-repeat;
        min-height: 200px;
        margin-top: 94px;
        height: 323px;
    }
    
    .hero-content-complete {
        min-height: 230px;
        padding: 30px 15px 30px;
        margin-top: 34px;
    }
        
    .hero-subtitle-complete {
        color: #FFF;
        text-align: center;
        text-shadow: 0 0 20px rgba(0, 0, 0, 0.25);
        font-family: Pretendard;
        font-size: 22px;
        font-style: normal;
        font-weight: 600;
        line-height: 130%; /* 28.6px */
    }
    
    .hero-graphics-complete {
        width: 250px;
    }
    
    .completion-section {
        padding: 64px 0;
        min-height: 250px;
    }
    
    .noinquiry-btn-container {
        margin-top: 64px;
    }

    .completion-title {
        margin-bottom: 16px;
        color: #000;
        text-align: center;
        font-family: Pretendard;
        font-size: 20px;
        font-style: normal;
        font-weight: 600;
        line-height: 130%; /* 26px */
    }
    
    .completion-message {
        font-size: 14px;
    }

    .hero-title-complete{
        color: #FFF;
        text-align: center;
        text-shadow: 0 0 13px rgba(0, 0, 0, 0.25);
        font-family: "Noto Sans HK";
        font-size: 42.387px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.517px; /* 135.696% */
        width: fit-content;
        display: block;
    }
    
    /* SVG 기반 OKESTRO 로고 스타일 */
    .hero-title-complete svg {
        display: inline-block;
        vertical-align: middle;
        margin-bottom: 10px;
        transform: scale(0.6);
    }
    
    /* O와 ® 심볼을 함께 그룹화 */
    .hero-title-complete svg:first-child {
        position: relative;
        margin-right: 0; /* O와 ® 사이 간격 제거 */
    }
    
    .hero-title-complete svg:nth-child(6) {
        margin-right: -30px; /* 글자 간격 조정 */
    }
    
    .hero-title-complete svg:nth-child(8) {
        position: relative;
        top: -15px;
        right: 15px;
        z-index: 1;
    }
    
    /* 나머지 SVG 요소들 간격 조정 */
    .hero-title-complete svg:nth-child(1),
    .hero-title-complete svg:nth-child(2),
    .hero-title-complete svg:nth-child(3),
    .hero-title-complete svg:nth-child(4),
    .hero-title-complete svg:nth-child(5),
    .hero-title-complete svg:nth-child(7),
    .hero-title-complete svg:nth-child(8) {
        margin-right: -20px; /* 글자 간격 조정 */
    }
}

/* Inquiry Form Styles */
.inquiry-form {
    max-width: 500px;
    margin: 0 auto;
    padding: 30px;
    background: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.inquiry-form .form-group {
    margin-bottom: 20px;
}

.inquiry-form .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 8px;
}

.inquiry-form .form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    background: white;
    transition: border-color 0.3s ease;
}

.inquiry-form .form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.inquiry-form .form-group input::placeholder {
    color: #9ca3af;
}

.inquiry-btn {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.inquiry-btn:hover {
    background: linear-gradient(135deg, #1e40af 0%, #1d4ed8 50%, #2563eb 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.inquiry-btn:active {
    transform: translateY(0);
}

.completion-content .form-group {
    margin-bottom: 20px;
}

.completion-content .form-group input,
.completion-content .form-group select,
.completion-content .form-group textarea {
    width: 799px;
    height: 74px;
    flex-shrink: 0;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.8);
    background: rgba(255, 255, 255, 0.00);
    padding: 15px;
    font-size: 16px;
    color: #000;
}

button[type='submit'] {
    display: flex;
    width: 325px;
    height: 68px;
    padding: 20.967px 22.667px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 11.333px;
    flex-shrink: 0;
    border-radius: 113.333px;
    background: #2B2B3E;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    margin: 20px auto 0;
    border: unset;
    color: #FFF;
    font-family: Pretendard;
    font-style: normal;
    font-weight: 700;
    line-height: 125%; /* 30px */
}

/* Mobile Inquiry Form Styles */
@media (max-width: 768px) {
    .inquiry-form {
        max-width: 100%;
        padding: 20px;
        margin: 0 20px;
    }
    
    #inquiryForm .form-group input {
        width: 368px;
        height: 59.64px;
        flex-shrink: 0;
        border-radius: 7.847px;
        border: 0.75px solid rgba(0, 0, 0, 0.80);
        background: rgba(255, 255, 255, 0.15);
        color: #111;
        font-family: Pretendard;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 270%; /* 54px */
    }
    
    .inquiry-btn {
        padding: 16px 24px;
        font-size: 16px;
    }
    
    .completion-section button[type="submit"] {
        display: flex;
        width: 100%;
        height: 68px;
        padding: 20.967px 22.667px;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 11.333px;
        flex-shrink: 0;
        border-radius: 113.333px;
        background: #2B2B3E;
    }
}

@media (max-width: 480px) {
    .inquiry-form {
        padding: 15px;
        margin: 0 15px;
    }
    
    .inquiry-form .form-group {
        margin-bottom: 16px;
    }
    
    .inquiry-form .form-group label {
        font-size: 13px;
    }
    
    #inquiryForm .form-group input {
        width: 100%;
        height: 59.64px;
        flex-shrink: 0;
        border-radius: 7.847px;
        border: 0.75px solid rgba(0, 0, 0, 0.80);
        background: rgba(255, 255, 255, 0.15);
        color: #111;
        font-family: Pretendard;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 270%; /* 54px */
        text-align: left;
    }
    
    .inquiry-btn {
        padding: 14px 20px;
        font-size: 14px;
    }
    
    .completion-section button[type="submit"] {
        display: flex;
        width: 100%;
        height: 68px;
        padding: 20.967px 22.667px;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 11.333px;
        flex-shrink: 0;
        border-radius: 113.333px;
        background: #2B2B3E;
    }
}

.applicant-info-layer {
    max-width: 100%;
}

/* Link Page Styles */
.applicant-info-layer {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid #e9ecef;
    max-width: 100%;
    box-sizing: border-box;
}

.viewing-link-layer {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 90px;
    border: 1px solid #e9ecef;
    max-width: 100%;
    box-sizing: border-box;
}

.applicant-info-layer h3,
.viewing-link-layer h3 {
    font-size: 20px;
    font-weight: 600;
    color: #2B2B3E;
    margin-bottom: 16px;
    font-family: 'Noto Sans KR', sans-serif;
}

.applicant-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.info-row .label {
    font-weight: 500;
    color: #6c757d;
    width: 50%;
    text-align: left;
    font-family: 'Noto Sans KR', sans-serif;
}

.info-row .value {
    font-weight: 400;
    color: #2B2B3E;
    width: 50%;
    text-align: left;
    font-family: 'Noto Sans KR', sans-serif;
}

.link-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.link-description {
    font-size: 14px;
    color: #6c757d;
    line-height: 1.5;
    margin: 0;
    font-family: 'Noto Sans KR', sans-serif;
}

.link-box {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 12px 16px;
}

.link-text {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: #2B2B3E;
    word-break: break-all;
}

.copy-btn {
    background: #2B2B3E;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 12px;
    cursor: pointer;
    font-family: 'Noto Sans KR', sans-serif;
    transition: background-color 0.2s;
}

.copy-btn:hover {
    background: #1a1a2e;
}

.link-note {
    font-size: 12px;
    color: #6c757d;
    font-style: italic;
    margin: 0;
    font-family: 'Noto Sans KR', sans-serif;
}

/* Mobile Link Page Styles */
            @media (max-width: 768px) {
                .applicant-info-layer,
                .viewing-link-layer {
                    padding: 20px;
                    margin-bottom: 20px;
                    width: 100%;
                    max-width: 100%;
                }
                
                .applicant-info-layer h3,
                .viewing-link-layer h3 {
                    font-size: 18px;
                    margin-bottom: 12px;
                }
                
                .info-row {
                    flex-direction: row;
                    align-items: center;
                    gap: 12px;
                }
                
                .info-row .label {
                    width: 50%;
                    text-align: left;
                    font-size: 14px;
                }
                
                .info-row .value {
                    width: 50%;
                    text-align: left;
                    font-size: 16px;
                }
    
    .link-box {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .copy-btn {
        align-self: flex-end;
        width: fit-content;
    }
}

/* No Inquiry Result styles */
.no-inquiry-result {
    text-align: center;
    padding: 40px 20px;
}

.result-icon {
    margin-bottom: 30px;
}

.result-icon svg {
    width: 64px;
    height: 64px;
    opacity: 0.7;
}

.no-inquiry-result h2 {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.no-inquiry-result p {
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
    line-height: 1.5;
}

.action-buttons {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: #2B2B3E;
    color: white;
    border: 2px solid #2B2B3E;
}

.btn-primary:hover {
    background: #1a1a2e;
    border-color: #1a1a2e;
}

.btn-secondary {
    background: transparent;
    color: #2B2B3E;
    border: 2px solid #2B2B3E;
}

.btn-secondary:hover {
    background: #2B2B3E;
    color: white;
}

@media (max-width: 768px) {
    .no-inquiry-result {
        padding: 30px 15px;
    }
    
    .no-inquiry-result h2 {
        font-size: 20px;
    }
    
    .no-inquiry-result p {
        font-size: 14px;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 200px;
        text-align: center;
    }
}

/* Additional mobile adjustments for link page */
@media (max-width: 480px) {
    .applicant-info-layer,
    .viewing-link-layer {
        padding: 15px;
        margin-bottom: 15px;
        width: 100%;
        max-width: 100%;
    }
    
    .applicant-info-layer h3,
    .viewing-link-layer h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .info-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .info-row .label {
        width: 100%;
        text-align: left;
        font-size: 13px;
        padding-left: 15px;
    }
    
    .info-row .value {
        width: 100%;
        text-align: left;
        font-size: 14px;
        padding-left: 15px;
    }
    
    .link-box {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        padding: 10px 12px;
    }
    
    .link-text {
        font-size: 12px;
        word-break: break-all;
    }
    
    .copy-btn {
        align-self: flex-end;
        width: fit-content;
        font-size: 11px;
        padding: 6px 12px;
    }
}

.pt110 {
    padding-top: 110px;
}

/* Sponsor Section */
.sponsor {
    background-color: #F7F8FA;
    padding: 160px 0;
}

.sponsor .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.sponsor-content {
    text-align: center;
}

.sponsor-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Desktop and Mobile visibility */
.desktop-only {
    display: block;
}

.desktop-flex {
    display: flex;
}

.mobile-only {
    display: none;
}

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

    .desktop-flex {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
    
    .sponsor {
        padding: 100px 0 40px 0;
    }
}