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

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

@font-face {
	font-family: 'Pretendard';
	font-weight: 500;
	font-display: swap;
	src: local('Pretendard Medium'), url('fonts/Pretendard-Medium.woff2') format('woff2');
}

@font-face {
	font-family: 'Pretendard';
	font-weight: 600;
	font-display: swap;
	src: local('Pretendard SemiBold'), url('fonts/Pretendard-SemiBold.woff2') format('woff2');
}

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

.click:hover {
	cursor: pointer;
}

.hero-deadline {
	font-size: 2.0rem;
	font-weight: 600;
	color: #EA3324;
	margin-bottom: 12px;
}

/* ===== Accessibility Utilities ===== */
.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.skip-link {
	position: absolute;
	top: -100%;
	left: 0;
	z-index: 9999;
	padding: 12px 24px;
	background: #004aad;
	color: #fff;
	font-size: 16px;
	font-weight: 600;
	text-decoration: none;
}

.skip-link:focus {
	top: 0;
}

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

body {
	background: #fff;
	color: #1a1a2e;
	line-height: 1.6;
	font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

.mobile-br {
	display: none;
}

[id] {
	scroll-margin-top: 60px;
}

/* ===== Top Navigation ===== */
.fair-details {
    list-style: none;
    color: #fff;
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 48px;
    line-height: 1.7;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
  }

.top-nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 100;
	padding: 32px 60px;
	line-height: 1;
	transition: background 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
}

.top-nav.scrolled {
	background: rgba(15, 15, 112, 0.9);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	padding: 16px clamp(16px, 4vw, 60px);
	box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

.top-nav-inner {
	display: flex;
	align-items: flex-start;
	gap: 24px;
	width: fit-content;
	margin: 0 auto;
	transition: align-items 0.3s ease;
}

.top-nav.scrolled .top-nav-inner {
	width: 100%;
	max-width: 1400px;
	align-items: center;
	justify-content: space-between;
}

.top-nav-logo {
	flex-shrink: 0;
}

.top-nav-logo img {
	height: 100px;
	width: auto;
	transition: height 0.3s ease;
}

.top-nav.scrolled .top-nav-logo img {
	height: 60px;
}

.top-nav-links {
	display: flex;
	align-items: center;
	gap: 80px;
	padding-top: 16px;
	padding-bottom: 13px;
	padding-left: 180px;
	border-bottom: 0.5px solid rgba(255, 255, 255, 0.65);
}

.top-nav-links a {
	color: rgba(255, 255, 255, 0.9);
	text-decoration: none;
	font-size: 1.3125rem;
	font-weight: 700;
	white-space: nowrap;
	letter-spacing: -0.5px;
	transition: opacity 0.2s;
}

.top-nav.scrolled .top-nav-links {
	border-bottom: none;
	padding-left: 0;
}

.top-nav-links a:hover {
	opacity: 0.7;
}

.top-nav-links a.nav-highlight {
	color: #38b6ff;
}

.nav-lang {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-weight: 300 !important;
	color: rgba(255, 255, 255, 0.9);
}

/* ===== Hero Section ===== */
.hero {
	position: relative;
	color: #fff;
	text-align: center;
	overflow: hidden;
	min-height: 88vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 200px 40px 60px;
}

.hero-bg {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	z-index: 0;
}

.hero-content {
	--hero-cta-gap: 12px;
	--hero-cta-row-pad: 16px;
	/* 타이틀 이미지와 동일한 최대 가로폭 = 버튼 한 줄 기준 너비 */
	container-type: inline-size;
	container-name: hero-content;
	position: relative;
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: center;
	width: min(840px, 90vw);
	max-width: 100%;
	box-sizing: border-box;
}

.hero-title-heading {
	line-height: 0;
	margin: 0;
	font-size: 0;
}

.hero-title-img {
	width: min(840px, 90vw);
	height: auto;
	margin-bottom: 12px;
}

.hero-date {
	font-size: 1.875rem;
	font-weight: 600;
	color: #fff;
	letter-spacing: 0.5px;
}

.hero-venue {
	font-size: 1.5rem;
	font-weight: 600;
	color: #fff;
	margin-bottom: 12px;
}

.hero-organizer {
	position: relative;
	z-index: 2;
	display: flex;
	justify-content: center;
	gap: 40px;
	font-size: 30px;
	color: #38b6ff;
	margin-top: auto;
	padding-top: 40px;
}

.hero-organizer strong {
	color: #fff;
	font-weight: 600;
}

.hero-spinner {
	position: absolute;
	z-index: 1;
	pointer-events: none;
	filter: brightness(0) invert(1);
}

.hero-spinner-left {
	left: calc((100% - 1400px) / 2 + 60px);
	left: 40px;
	top: 400px;
	width: 360px;
	height: auto;
	opacity: 0.6;
	animation: spinLeft 30s linear infinite;
	margin-left: -40px;
}

.hero-spinner-right {
	right: calc((100% - 1400px) / 2 + 60px);
	right: 40px;
	top: 320px;
	width: 260px;
	height: auto;
	animation: spinRight 30s linear infinite;
	margin-right: -40px;
}

@keyframes spinLeft {
	from {
		transform: rotate(0deg);
	}

	to {
		transform: rotate(-360deg);
	}
}

@keyframes spinRight {
	from {
		transform: rotate(0deg);
	}

	to {
		transform: rotate(360deg);
	}
}

.btn-register {
	display: inline-flex;
	align-items: center;
	padding: 4px 52px;
	background: #ff5757;
	color: #fff;
	font-size: 2.375rem;
	font-weight: 700;
	border: none;
	border-radius: 50px;
	text-decoration: none;
	cursor: pointer;
	transition: all 0.3s;
}

.btn-register:hover {
	background: #e04040;
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(255, 87, 87, 0.4);
}

.btn-register-chevron {
	margin-left: 36px;
}

.hero-actions {
	display: flex;
	flex-wrap: nowrap;
	justify-content: center;
	align-items: center;
	gap: var(--hero-cta-gap);
	margin-top: 24px;
	width: 100%;
	padding: 0 calc(var(--hero-cta-row-pad) / 2);
	box-sizing: border-box;
}

/*
 * 한 줄 3버튼: 가용 너비 = 100cqi − row 패딩 − gap×2
 * 라벨(유튜브신청·한영동시통역·세션1 현장질문) 합 길이 + 패딩을 반영한 분모 24.5
 * 상한은 max 너비에서 한 줄 유지되도록 여유 두고 32px
 */
.hero-action-btn {
	box-sizing: border-box;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.1em 0.75em;
	background: #ff5757;
	color: #fff;
	font-size: clamp(
		10px,
		calc(
			(
					100cqi - var(--hero-cta-row-pad) - 2 *
					var(--hero-cta-gap)
				) / 24.5
		),
		28px
	);
	font-weight: 700;
	border-radius: 50px;
	text-decoration: none;
	cursor: pointer;
	transition: all 0.3s;
	white-space: nowrap;
}

.hero-action-btn2 {
	box-sizing: border-box;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	margin-top: 15px;
	padding: 0.1em 0.75em;
	background: #ff5757;
	color: #fff;
	font-size: clamp(
		10px,
		calc(
			(
					100cqi - var(--hero-cta-row-pad) - 2 *
					var(--hero-cta-gap)
				) / 24.5
		),
		28px
	);
	font-weight: 700;
	border-radius: 50px;
	text-decoration: none;
	cursor: pointer;
	transition: all 0.3s;
	white-space: nowrap;
}

.hero-action-btn:hover {
	background: #e04040;
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(255, 87, 87, 0.4);
}

.hero-action-btn2:hover {
	background: #e04040;
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(255, 87, 87, 0.4);
}


.hero-capacity-notice {
	margin: 16px 0 0;
	max-width: min(640px, 100%);
	padding: 0 16px;
	font-size: 18px;
	font-weight: 500;
	line-height: 1.55;
	color: rgba(255, 255, 255, 0.92);
	text-align: center;
}
.hero-capacity-notice-closed {
	margin: 16px 0 0;
	max-width: min(640px, 100%);
	padding: 0 16px;
	font-size: 30px;
	font-weight: 500;
	line-height: 1.55;
	color: rgba(255, 255, 255, 0.92);
	text-align: center;
}

/* ===== Speakers Section ===== */
.speakers-section {
	position: relative;
	background-color: #0a1a3a;
	background-image: url('images/speakers_bg.jpg');
	background-size: cover;
	background-position: center;
	padding: 60px 40px;
}

.speakers-section .section-inner {
	max-width: 960px;
	margin: 0 auto;
}

.section-title {
	font-weight: 700;
	text-align: center;
	letter-spacing: -0.5px;
}

.speakers-section .section-title {
	color: #fff;
	font-size: 3rem;
	margin-bottom: 48px;
}

.speaker-group-label {
	font-size: 2rem;
	font-weight: 700;
	color: #38b6ff;
	text-align: left;
	margin-bottom: 20px;
	letter-spacing: 1px;
}

.speakers-row {
	display: flex;
	justify-content: space-between;
	gap: 40px;
	flex-wrap: wrap;
	margin-bottom: 48px;
}

.speaker-card {
	text-align: center;
	width: 200px;
}

.speaker-photo {
	border-radius: 50%;
	object-fit: cover;
	margin: 0 auto 10px;
	background: #b0c4de;
	display: block;
}

.speakers-row--keynote .speaker-photo {
	width: 210px;
	height: 210px;
}

.speakers-row--keynote .speaker-card {
	width: 210px;
}

.speakers-row--main .speaker-photo {
	width: 140px;
	height: 140px;
}

.speakers-row--main .speaker-card {
	width: 160px;
}

.speakers-row--main .speaker-name {
	font-size: 20px;
}

.speakers-row--main .speaker-role {
	font-size: 14px;
	font-weight: 300;
}

.speaker-name {
	font-size: 1.5rem;
	font-weight: 700;
	color: #fff;
	margin-bottom: 4px;
}

.speaker-role {
	font-size: 17px;
	font-weight: 300;
	color: #fff;
	line-height: 1.5;
}

.speaker-photo-default {
	animation: spinRight 30s linear infinite;
	background: transparent;
	opacity: 0.3;
}

/* ===== Program Section ===== */
.program-section {
	background-image: url('images/section_3_bg.jpg');
	background-size: 100% auto;
	background-position: center -200px;
	background-repeat: no-repeat;
	padding: 60px 40px;
	background-color: rgb(222, 233, 248);
	position: relative;
	overflow: hidden;
}

.program-section .section-inner {
	max-width: 960px;
	margin: 0 auto;
}

.program-section .section-title {
	color: #1a1a2e;
	font-size: 3rem;
	margin-bottom: 40px;
}

.session-tabs {
	display: flex;
	gap: 24px;
	margin-bottom: 80px;
}

.session-tab {
	flex: 1;
	text-align: left;
	padding: 14px 0 0 8px;
	font-size: 1.5rem;
	font-weight: 500;
	color: #595959;
	cursor: pointer;
	border-bottom: 3px solid #595959;
	margin-bottom: -2px;
	transition: border-color 0.2s, opacity 0.2s;
	text-decoration: none;
}

.session-tab.session-first {
	color: #004aad;
	border-bottom-color: #004aad;
}

.session-tab.active {
	color: #004aad;
	border-bottom-color: #004aad;
	border-bottom-width: 8px;
	opacity: 1;
}

.session-tab:hover {
	opacity: 0.7;
}

.session-topic {
	background: #ff5757;
	color: #fff;
	text-align: center;
	font-size: 47px;
	font-weight: 600;
	padding: 6px 38px;
	margin: 0 auto 32px;
	width: fit-content;
	letter-spacing: -1px;
	border-radius: 12px;
}

.program-topic {
	text-align: center;
	font-size: 40px;
	font-weight: 600;
	color: #004aad;
	margin-bottom: 72px;
	letter-spacing: -1px;
	line-height: 1.5;
}

.session-panel {
	display: block;
	margin-bottom: 92px;
	scroll-margin-top: 140px;
}

.mid-spinner {
	position: absolute;
	pointer-events: none;
	opacity: 0.3;
	z-index: 0;
}

.mid-spinner-right {
	right: 0;
	bottom: 680px;
	width: 360px;
	animation: spinRight 30s linear infinite;
}

.mid-spinner-left {
	left: 0;
	bottom: 100px;
	width: 360px;
	animation: spinLeft 30s linear infinite;
}

.program-table {
	width: 100%;
	font-size: 16px;
	border-top: 6px solid rgb(0, 74, 173);
	border-collapse: collapse;
}

#session-2 .program-table,
#session-3 .program-table {
	border-top: 2px solid rgb(166, 166, 166);
}

.program-table td,
.program-table th {
	padding: 4px 16px;
	color: #1a1a2e;
	vertical-align: top;
	border-bottom: 2px solid rgb(166, 166, 166);
	text-align: left;
}

.program-table .time-col {
	white-space: nowrap;
	color: #545454;
	width: 150px;
	font-weight: 500;
	font-size: 16px;
	padding: 8px 16px 4px 16px;
	vertical-align: top;
}

.program-table .content-col {
	color: #1a1a2e;
	font-weight: 600;
	width: 200px;
	font-size: 20px;
}

.program-table .speaker-col {
	color: #545454;
	font-size: 19px;
}

.program-table .name {
	color: #1a1a2e;
	font-weight: 500;
}

.program-table .no-border td {
	border-bottom: none;
}

.program-table .label-chair {
	color: #004aad;
	font-weight: 600;
	float: left;
	margin-left: -60px;
	width: 50px;
}

.program-table .group-end td {
	border-bottom: 2px solid rgb(166, 166, 166);
}

.program-table .speaker-row td {
	border-bottom: 2px dotted rgb(180, 180, 180);
}

.program-table .speaker-row td[rowspan] {
	border-bottom: 2px solid rgb(166, 166, 166);
}

.program-table .topic-row td {
	padding-top: 12px;
	padding-bottom: 12px;
	color: #004aad;
	font-weight: 700;
	font-size: 20px;
}

.program-table .topic-row-dark td {
	padding-top: 12px;
	padding-bottom: 4px;
	color: #1a1a2e;
	font-weight: 700;
	font-size: 20px;
	border-bottom: none;
	line-height: 1.2;
}

.program-table .break-row td {
	border-bottom: 2px solid rgb(166, 166, 166);
	text-align: center;
	color: #595959;
	font-style: italic;
	background: rgba(0, 74, 173, 0.04);
}

.program-table .vision-title {
	padding-top: 12px;
	padding-bottom: 4px;
	color: #004aad;
	font-weight: 700;
	font-size: 24px;
}

/* ===== AI Fair Section ===== */
.fair-section {
	background: #004aad;
	padding: 60px 40px;
	position: relative;
	overflow: hidden;
}

.fair-spinner {
	position: absolute;
	right: -40px;
	bottom: -150px;
	width: 400px;
	pointer-events: none;
	opacity: 0.15;
	animation: spinRight 30s linear infinite;
}

.fair-section .section-title {
	color: #fff;
	font-size: 3rem;
	margin-bottom: 32px;
}

.fair-section .section-inner {
	max-width: 960px;
	margin: 0 auto;
}

.fair-category {
	display: block;
	background: #000;
	color: #fff;
	font-size: 1.875rem;
	font-weight: 600;
	padding: 8px 40px;
	margin: 0 auto 32px;
	width: 100%;
	text-align: center;
}

.fair-location {
	text-align: center;
	margin-bottom: 48px;
}

.fair-location-icon {
	width: 52px;
	height: auto;
	margin-bottom: 4px;
	display: block;
	margin-left: auto;
	margin-right: auto;
}

.fair-location-text {
	font-size: 28px;
	color: rgb(158, 212, 246);
}

.fair-description {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 72px;
  }

.fair-download-btn {
	display: block;
	width: fit-content;
	margin: 0 auto 48px;
	padding: 12px 52px;
	background: #ff5757;
	color: #fff;
	font-size: 2.375rem;
	font-weight: 700;
	border-radius: 50px;
	text-decoration: none;
	cursor: pointer;
	transition: all 0.3s;
	white-space: nowrap;
}

.fair-download-btn:hover {
	background: #e04040;
	transform: translateY(-2px);
	box-shadow: 0 6px 20px rgba(255, 87, 87, 0.4);
}

.fair-download-icon {
	vertical-align: middle;
	margin-left: 12px;
}

.fair-logos-row {
	display: flex;
	justify-content: flex-start;
	gap: 48px;
	flex-wrap: wrap;
	margin-bottom: 48px;
}

.fair-card {
	width: 280px;
	text-align: left;
	line-height: 1.4;
}

.fair-card-logo {
	background: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 16px;
}

.fair-card-logo img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.fair-card-name {
	font-size: 28px;
	font-weight: 700;
	color: #fff;
	margin-bottom: 4px;
}

.fair-card-rep {
	font-size: 16px;
	color: #fff;
}

.fair-card-dept {
	font-size: 16px;
	color: #fff;
	margin-bottom: 8px;
}

.fair-card-dept:last-child {
	margin-bottom: 0;
}

.fair-card-desc {
	font-size: 18px;
	color: #7dd3fc;
	line-height: 1.5;
}

/* ===== AI Event Section ===== */
.event-section {
	position: relative;
	overflow: hidden;
	padding: 60px 40px 240px;
	color: #fff;
}

.event-section .hero-bg {
	z-index: 0;
}

.event-section .section-inner {
	position: relative;
	z-index: 1;
	max-width: 960px;
	margin: 0 auto;
}

.event-section .section-title {
	color: #fff;
	font-size: 3rem;
	margin-bottom: 92px;
}

.event-row {
	display: flex;
	gap: 24px;
	margin-bottom: 76px;
}

.event-card {
	flex: 1;
	border-bottom-left-radius: 12px;
	border-bottom-right-radius: 12px;
	overflow: hidden;
	text-align: center;
}

.event-card-header {
	background: #06134b;
	padding: 20px 24px;
	display: flex;
	align-items: center;
	justify-content: center;
	height: 120px;
}

.event-card-title {
	font-size: 40px;
	font-weight: 600;
	color: #fff;
	line-height: 1.2;
	letter-spacing: -1px;
}

.event-card-subtitle {
	font-size: 24px;
	color: #fff;
	margin-top: 4px;
	display: block;
}

.event-card-content {
	background: #fff;
	padding: 24px;
}

.event-card-content--split {
	display: flex;
	padding: 12px 0;
}

.event-journey-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	grid-template-rows: auto auto;
	padding: 0;
}

.event-journey-cell {
	padding: 24px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	position: relative;
}

.event-journey-cell--border-right::after {
	content: '';
	position: absolute;
	right: 0;
	top: 15%;
	height: 70%;
	border-right: 2px solid rgba(26, 26, 46, 0.2);
}

.event-journey-cell--border-bottom::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 15%;
	width: 70%;
	border-bottom: 2px solid rgba(26, 26, 46, 0.2);
}

.event-journey-cell--border-both::before {
	content: '';
	position: absolute;
	right: 0;
	top: 15%;
	height: 70%;
	border-right: 2px solid rgba(26, 26, 46, 0.2);
}

.event-journey-cell--border-both::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 15%;
	width: 70%;
	border-bottom: 2px solid rgba(26, 26, 46, 0.2);
}

.event-card-body {
	font-size: 32px;
	font-weight: 500;
	color: #1a1a2e;
	line-height: 1.4;
}

.event-card-body-subtext {
	font-size: 22px;
}

.event-card-body--auto {
	height: auto;
}

.event-journey-col {
	flex: 1;
	padding: 24px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.event-journey-subtitle {
	font-size: 32px;
	font-weight: 500;
	color: #1a1a2e;
	margin-bottom: 4px;
}

.event-journey-caption {
	font-size: 22px;
	color: #1a1a2e;
	margin-bottom: 16px;
}

.event-journey-col--left {
	position: relative;
}

.event-journey-divider {
	position: absolute;
	right: 0;
	top: 20%;
	height: 60%;
	border-right: 2px solid rgba(26, 26, 46, 0.3);
}

.event-journey-title {
	text-align: center;
	font-size: 28px;
	font-weight: 700;
	color: #fff;
	margin-bottom: 24px;
}

/* ===== Footer ===== */
.summit-footer {
	background: #000;
	color: #fff;
	text-align: center;
	padding: 56px 14px 8px;
}

.footer-organizer {
	display: flex;
	justify-content: center;
	gap: 48px;
	margin-bottom: 20px;
	font-size: 29px;
	color: #38b6ff;
}

.footer-organizer .label {
	color: #38b6ff;
}

.footer-organizer strong {
	color: #fff;
	font-weight: 700;
}

.footer-info {
	margin-bottom: 20px;
	font-size: 14px;
	color: rgba(255, 255, 255, 0.6);
	line-height: 1.8;
}

.footer-link {
	color: rgba(255, 255, 255, 0.8);
	text-decoration: none;
	font-weight: 600;
}

.footer-link:hover {
	color: #fff;
	text-decoration: underline;
}

.footer-logo {
	margin-bottom: 52px;
}

.footer-logo img {
	height: 120px;
	width: auto;
	margin: 0 auto;
}

/* ===== Tablet (≤1024px) ===== */
@media (max-width: 1024px) {
	.top-nav {
		padding: 16px 24px;
	}

	.top-nav.scrolled {
		padding: 12px 24px;
	}

	.top-nav-inner {
		gap: 20px;
	}

	.top-nav-logo img {
		height: 64px;
	}

	.top-nav.scrolled .top-nav-logo img {
		height: 44px;
	}

	.top-nav-links {
		gap: 20px;
		padding-left: 20px;
	}

	.top-nav-links a {
		font-size: 15px;
	}

	.hero {
		min-height: 80vh;
		padding: 120px 24px 40px;
	}

	.hero-title-img {
		width: 520px;
	}

	.hero-date {
		font-size: 24px;
	}

	.hero-venue {
		font-size: 18px;
		margin-bottom: 40px;
	}

	.btn-register {
		font-size: 28px !important;
		padding: 8px 44px;
	}

	.hero-organizer {
		font-size: 18px;
		gap: 20px;
		bottom: 60px;
	}

	.hero-spinner-left {
		width: 200px;
	}

	.hero-spinner-right {
		width: 180px;
	}

	.speakers-section .section-title {
		font-size: 28px;
	}

	.speaker-group-label {
		font-size: 18px;
	}

	.speakers-row--keynote .speaker-photo {
		width: 120px;
		height: 120px;
	}

	.speakers-row--keynote .speaker-card {
		width: 140px;
	}

	.speakers-row--main .speaker-photo {
		width: 90px;
		height: 90px;
	}

	.speakers-row--main .speaker-card {
		width: 110px;
	}

	.program-section .section-title {
		font-size: 28px;
	}

	.session-tab {
		font-size: 16px;
	}

	.session-topic {
		font-size: 32px;
	}

	.program-topic {
		font-size: 28px;
	}

	.session-tabs {
		margin-bottom: 48px;
	}

	.session-panel {
		margin-bottom: 48px;
	}

	.program-table .content-col {
		font-size: 16px;
		width: 120px;
	}

	.program-table .speaker-col {
		font-size: 15px;
	}

	.program-table .topic-row td,
	.program-table .topic-row-dark td {
		font-size: 16px;
	}

	.program-table .label-chair {
		margin-left: -50px;
		width: 42px;
		font-size: 14px;
	}

	.mid-spinner {
		width: 240px !important;
	}

	.fair-section .section-title {
		font-size: 32px;
	}

	.fair-download-btn {
		font-size: 28px;
		padding: 8px 44px;
	}

	.fair-download-icon {
		width: 22px;
		height: 22px;
	}

	.fair-category {
		font-size: 24px;
	}

	.fair-logos-row {
		gap: 32px;
	}

	.fair-card {
		width: 200px;
	}

	.fair-card-logo {
		height: 130px;
		overflow: hidden;
	}

	.fair-card-logo img {
		width: 100%;
		height: 100%;
		object-fit: cover;
	}

	.fair-card-name {
		font-size: 22px;
	}

	.fair-card-rep {
		font-size: 14px;
	}

	.fair-card-dept {
		font-size: 14px;
	}

	.fair-card-desc {
		font-size: 15px;
	}

	.fair-spinner {
		width: 300px;
	}

	.event-section {
		padding: 60px 32px 200px;
	}

	.event-section .section-title {
		font-size: 32px;
		margin-bottom: 60px;
	}

	.event-card-header {
		height: 100px;
	}

	.event-card-title {
		font-size: 18px;
	}

	.event-card-body {
		font-size: 15px;
	}

	.event-journey-subtitle {
		font-size: 18px;
	}

	.event-journey-caption {
		font-size: 14px;
		margin-bottom: 12px;
	}

	.summit-footer {
		padding: 48px 32px 24px;
	}

	.footer-organizer {
		font-size: 22px;
		gap: 32px;
	}

	.footer-logo img {
		height: 90px;
	}
}

/* ===== Zoom 200% / narrow desktop (≤980px) ===== */
@media (max-width: 980px) {
	.top-nav {
		padding: 16px 24px;
	}

	.top-nav-logo img {
		height: 64px;
	}

	.top-nav-links {
		gap: clamp(12px, 2vw, 32px);
		padding-left: 16px;
	}

	.top-nav-links a {
		font-size: 15px;
	}
}

/* ===== Mobile (≤768px) ===== */
@media (max-width: 768px) {
	.fair-details { font-size: 14px; }
	.top-nav {
		padding: 24px 16px 10px;
	}

	.top-nav.scrolled {
		padding: 10px 16px 8px;
	}

	.top-nav-inner {
		flex-direction: column;
		align-items: center;
		gap: 12px;
	}

	.top-nav.scrolled .top-nav-inner {
		gap: 8px;
	}

	.top-nav-logo img {
		height: 56px;
	}

	.top-nav.scrolled .top-nav-logo img {
		height: 48px;
	}

	.top-nav-links {
		gap: 20px;
		flex-wrap: wrap;
		justify-content: center;
		border-bottom: none;
		padding-left: 0;
		padding-bottom: 0;
	}

	.top-nav-links a {
		font-size: 18px;
		font-weight: 600;
	}

	.nav-lang {
		position: absolute;
		top: 8px;
		right: 16px;
		font-size: 13px !important;
	}

	.nav-lang svg {
		width: 5px;
		height: 10px;
		opacity: 0.75;
	}

	.hero {
		height: auto;
		min-height: 100vh;
		padding: 180px 20px 80px;
		justify-content: flex-start;
	}

	.hero-title-img {
		width: 80vw;
		max-width: 400px;
		margin-bottom: 20px;
	}

	.hero-date {
		font-size: 18px;
		margin-bottom: 4px;
	}

	.hero-venue {
		font-size: 14px;
		margin-bottom: 10px;
	}

	.btn-register {
		font-size: 20px !important;
		padding: 6px 28px;
	}

	.btn-register svg {
		width: 10px;
		height: 16px;
		margin-left: 20px !important;
	}

	.hero-content {
		--hero-cta-gap: 8px;
		--hero-cta-row-pad: 12px;
	}

	.hero-actions {
		margin-top: 12px;
	}

	.hero-capacity-notice {
		font-size: 12px;
		margin-top: 12px;
		padding: 0 12px;
	}
	.hero-capacity-notice-closed {
		font-size: 12px;
		margin-top: 12px;
		padding: 0 12px;
	}

	.hero-organizer {
		position: absolute;
		bottom: 24px;
		font-size: 18px;
		gap: 8px;
		flex-direction: column;
		align-items: center;
	}

	.hero-spinner {
		display: none;
	}

	.speakers-section {
		padding: 48px 20px;
	}

	.speakers-section .section-title {
		font-size: 24px;
		margin-bottom: 32px;
	}

	.speaker-group-label {
		font-size: 16px;
		margin-bottom: 16px;
	}

	.speakers-row {
		gap: 16px;
		justify-content: center;
		flex-wrap: wrap;
	}

	.speakers-row--keynote {
		display: flex;
		flex-wrap: wrap;
		justify-content: space-between;
		gap: 24px 0;
	}

	.speakers-row--keynote .speaker-photo {
		width: 120px;
		height: 120px;
	}

	.speakers-row--keynote .speaker-card {
		width: 45%;
	}

	.speakers-row--keynote .speaker-name {
		font-size: 16px;
	}

	.speakers-row--keynote .speaker-role {
		font-size: 13px;
	}

	.speakers-row--main {
		display: grid;
		grid-template-columns: repeat(3, 1fr);
		justify-items: center;
	}

	.speakers-row--main .speaker-photo {
		width: 80px;
		height: 80px;
	}

	.speakers-row--main .speaker-card {
		width: 100px;
	}

	.speakers-row--main .speaker-name {
		font-size: 13px;
		font-weight: 700;
	}

	.speakers-row--main .speaker-role {
		font-size: 11px;
		font-weight: 300;
	}

	.speaker-name {
		font-size: 13px;
	}

	.speaker-role {
		font-size: 11px;
	}

	.program-section {
		padding: 32px 16px;
		background-size: auto 300px;
		background-position: center top;
	}

	.program-section .section-title {
		font-size: 24px;
		margin-bottom: 24px;
	}

	.session-tab {
		font-size: 13px;
		padding: 10px 0;
	}

	.session-topic {
		font-size: 20px;
		padding: 8px 16px;
		border-radius: 8px;
	}

	.program-topic {
		font-size: 18px;
		margin-bottom: 20px;
	}

	.session-tabs {
		margin-bottom: 24px;
	}

	.session-panel {
		margin-bottom: 32px;
	}

	.program-table {
		font-size: 12px;
	}

	.program-table td {
		padding: 6px 8px;
	}

	.program-table .time-col {
		width: 80px;
		font-size: 12px;
	}

	.program-table .content-col {
		width: 80px;
		font-size: 13px;
	}

	.program-table .speaker-col {
		font-size: 13px;
	}

	.program-table .topic-row td,
	.program-table .topic-row-dark td {
		font-size: 14px;
		padding-top: 8px;
		padding-bottom: 4px;
	}

	.program-table .vision-title {
		font-size: 14px;
	}

	.program-table .label-chair {
		float: none;
		margin-left: 0;
		width: auto;
		display: inline;
		margin-right: 4px;
		font-size: 12px;
	}

	.program-table .name {
		font-size: 13px;
	}

	.mid-spinner {
		display: none;
	}

	.register-section {
		padding: 48px 20px;
	}

	.register-section .section-title {
		font-size: 24px;
		margin-bottom: 24px;
	}

	.register-layout {
		flex-direction: column;
		gap: 0;
	}

	.mobile-br {
		display: inline;
	}

	[id] {
		scroll-margin-top: 100px;
	}

	.fair-section {
		padding: 40px 16px;
	}

	.fair-section .section-title {
		font-size: 24px;
		margin-bottom: 24px;
	}

	.fair-category {
		font-size: 14px;
		margin-bottom: 12px;
		padding: 6px 20px;
		width: 100%;
		max-width: 280px;
	}

	.fair-location {
		margin-bottom: 24px;
	}

	.fair-location-icon {
		width: 32px;
	}

	.fair-location-text {
		font-size: 16px;
	}

	.fair-description {
		font-size: 22px;
		margin-bottom: 32px;
	}

	.fair-download-btn {
		font-size: 20px;
		padding: 6px 28px;
	}

	.fair-download-icon {
		width: 18px;
		height: 18px;
		margin-left: 8px;
	}

	.fair-logos-row {
		flex-direction: column;
		align-items: center;
		gap: 36px;
		margin-bottom: 36px;
	}

	.fair-card {
		width: 100%;
		max-width: 280px;
		text-align: center;
	}

	.fair-card-logo {
		height: 160px;
		overflow: hidden;
	}

	.fair-card-logo img {
		width: 100%;
		height: 100%;
		object-fit: cover;
	}

	.fair-card-name {
		font-size: 18px;
	}

	.fair-card-rep {
		font-size: 13px;
	}

	.fair-card-dept {
		font-size: 13px;
	}

	.fair-card-desc {
		font-size: 14px;
	}

	.fair-spinner {
		display: none;
	}

	.event-section {
		padding: 48px 16px 120px;
	}

	.event-section .section-title {
		font-size: 24px;
		margin-bottom: 36px;
	}

	.event-row {
		flex-direction: column;
		gap: 16px;
		margin-bottom: 40px;
	}

	.event-card-header {
		height: 60px;
		padding: 12px 16px;
	}

	.event-card-title {
		font-size: 17px;
		letter-spacing: 0;
	}

	.event-card-subtitle {
		font-size: 11px;
	}

	.event-card-content {
		padding: 16px;
	}

	.event-card-body {
		font-size: 16px;
		height: auto;
		padding: 0;
	}

	.event-card-body-subtext {
		font-size: 13px;
	}

	.event-card-content--split {
		flex-direction: column;
		padding: 0;
	}

	.event-journey-grid {
		grid-template-columns: 1fr 1fr;
		padding: 0;
	}

	.event-journey-cell {
		padding: 16px 12px;
	}

	.event-journey-col--left {
		border-bottom: 1px solid rgba(26, 26, 46, 0.2);
	}

	.event-journey-divider {
		display: none;
	}

	.event-journey-col {
		padding: 16px;
	}

	.event-journey-subtitle {
		font-size: 16px;
	}

	.event-journey-caption {
		font-size: 12px;
		margin-bottom: 8px;
	}

	.summit-footer {
		padding: 40px 20px 16px;
	}

	.footer-organizer {
		flex-direction: column;
		gap: 8px;
		font-size: 16px;
		margin-bottom: 24px;
	}

	.footer-info {
		font-size: 12px;
		margin-bottom: 24px;
	}

	.footer-logo {
		margin-bottom: 24px;
	}

	.footer-logo img {
		height: 60px;
	}

	.hero-deadline {
		font-size: 1.2rem;
		font-weight: 600;
		color: #EA3324;
		margin-bottom: 10px;
	}
}

/* ===== Focus styles ===== */
:focus-visible {
	outline: 3px solid #38b6ff;
	outline-offset: 3px;
}

.btn-register:focus-visible {
	outline: 3px solid #fff;
	box-shadow: 0 0 0 6px rgba(56, 182, 255, 0.5);
}

.hero-action-btn:focus-visible {
	outline: 3px solid #fff;
	outline-offset: 3px;
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}

/* ===== seoul-ai-prequestions.html (files/) — 스코프: body.prequestions-page ===== */
body.prequestions-page {
	--preq-navy: #0d1b3e;
	--preq-blue: #1a5cb5;
	--preq-cyan: #00c2d4;
	--preq-light: #f2f4f8;
	--preq-dark: #333344;
	--preq-gold: #f5a623;
	--preq-teal: #006a4e;
	margin: 0;
	font-family: "Malgun Gothic", "맑은 고딕", sans-serif;
	background: var(--preq-light);
	color: var(--preq-dark);
	line-height: 1.65;
	padding: 2rem 1.25rem 3rem;
}

body.prequestions-page * {
	box-sizing: border-box;
}

body.prequestions-page .top {
	max-width: 900px;
	margin: 0 auto 1rem;
	background: #fff;
	border-radius: 12px;
	border-left: 6px solid var(--preq-cyan);
	padding: 1.1rem 1.2rem;
	box-shadow: 0 2px 12px rgba(13, 27, 62, 0.06);
}

body.prequestions-page .top h1 {
	margin: 0 0 0.35rem;
	color: var(--preq-navy);
	font-size: 1.4rem;
	font-weight: 800;
}

body.prequestions-page .top p {
	margin: 0;
	color: var(--preq-blue);
	font-weight: 700;
	font-size: 0.95rem;
}

body.prequestions-page .wrap {
	max-width: 900px;
	margin: 0 auto;
}

body.prequestions-page .panel {
	margin-top: 1rem;
	background: #fff;
	border-radius: 12px;
	border: 1px solid #d8deea;
	padding: 1rem 1.1rem;
}

body.prequestions-page .panel-lead {
	font-weight: 800;
	margin-bottom: 0.35rem;
}

body.prequestions-page .badge {
	display: inline-block;
	background: rgba(0, 194, 212, 0.12);
	color: var(--preq-teal);
	font-weight: 900;
	padding: 0.2rem 0.55rem;
	border-radius: 999px;
	font-size: 0.78rem;
	margin-bottom: 0.6rem;
}

body.prequestions-page ul {
	margin: 0.4rem 0 0;
	padding-left: 1.2rem;
}

body.prequestions-page li {
	margin: 0.35rem 0;
	font-size: 0.95rem;
}

body.prequestions-page .summary {
	margin-top: 1rem;
	padding: 0.85rem 0.95rem;
	background: #eef7f4;
	border-left: 6px solid var(--preq-teal);
	border-radius: 10px;
	font-weight: 800;
	color: var(--preq-teal);
	font-size: 0.92rem;
}

body.prequestions-page .cat {
	margin-top: 1rem;
	padding-top: 0.85rem;
	border-top: 1px solid #dde4f0;
}

body.prequestions-page .cat h3 {
	margin: 0 0 0.45rem;
	color: var(--preq-teal);
	font-size: 1.05rem;
	font-weight: 900;
}

body.prequestions-page .cat .desc {
	margin: 0 0 0.35rem;
	color: #555;
	font-size: 0.92rem;
	line-height: 1.55;
}

body.prequestions-page .cat ul {
	margin: 0.35rem 0 0;
	padding-left: 1.05rem;
}

body.prequestions-page .cat li {
	margin: 0.28rem 0;
	font-size: 0.9rem;
}

body.prequestions-page .five {
	margin-top: 1rem;
	background: #fbfbff;
	border: 1px solid #e4e9f5;
	border-radius: 10px;
	padding: 0.9rem 0.95rem;
	color: #2c2f40;
}

body.prequestions-page .five h3 {
	margin: 0 0 0.4rem;
	font-size: 1.05rem;
	color: var(--preq-navy);
}

body.prequestions-page .five ol {
	margin: 0.25rem 0 0;
	padding-left: 1.2rem;
	font-size: 0.95rem;
}

body.prequestions-page .five li {
	font-size: 0.95rem;
	margin: 0.35rem 0;
}

body.prequestions-page .back {
	margin-top: 1rem;
	font-size: 0.88rem;
	color: var(--preq-cyan);
	font-weight: 900;
}

body.prequestions-page a {
	color: var(--preq-blue);
	text-decoration: underline;
}