/* ========================================
	ESSENCE Landing Page — Responsive Styles
	Mobile-first 
	→ Tablet protrait (768px)
	→ Tablet landscape (1024px)
	→ PC (1280px)
   ======================================== */

/* -- 기존 레이아웃 및 스타일 지우기 -- */
#wrap {all: unset;}
#bottom {display: none;}
.footer {display: none;}
html, body {all: unset;}
h1, h2, h3, h4, h5, h6 {margin: 0; padding: 0; float: none;}

/* --- [Global Reset & Variables] --- */
:root {
	--bg-color: #020204;
	--primary-color: #5d5fef;
	--light-purple: #B9BBFF;
	--text-white: #ffffff;
	--text-gray: #a0a0a0;
	--accent-orange: #ff6b00;
	--container-width-pc: 1200px;
	--container-width-tab: 90%;
}

* { margin: 0; padding: 0; box-sizing: border-box; word-break: keep-all; vertical-align: baseline;}
body {
	font-family: 'SUIT Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
	background-color: var(--bg-color);
	color: var(--text-white);
	line-height: 1.5;
	overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.br_for_pc {
	display: none;
}
.br_for_pc_TBprotrait {
	display: none;
}
.br_for_pc_TBlandscape {
	display: none;
}

/* --- [Layout Utilities] --- */
.container {
	width: 100%;
	padding: 0 20px;
	margin: 0 auto;
}
.section-dark { background: #0a0b1e; }
.text-center { text-align: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }

/* --- [Header] --- */
header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 1000;
	padding: 16px 0;
	background: var(--bg-color);
}
.nav-inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.logo {
	font-weight: 800;
	font-size: 20px;
	color: #fff;
	letter-spacing: 1px;
}
.logo img {
	height: 26px;
}
.nav-links {
	display: none;
	gap: 32px;
}
.nav-links a {
	font-size: 15px;
	font-weight: 500;
	color: var(--text-gray);
	transition: color 0.2s;
}
.nav-links a:hover {
	color: var(--text-white);
}
.menu-icon {
	font-size: 24px;
	cursor: pointer;
	color: #fff;
}

/* --- [메인센션] --- */
.hero-section {
	padding-top: 58px;
	position: relative;
	overflow: hidden;
}
.hero-swiper {
	width: 100%;
	height: auto;
}

/* main slide — mobile (stacked, centered) */
.hero-slide-content {
	display: flex;
	justify-content: center;
	align-items: center;
	text-align: center;

	aspect-ratio: 750 / 1000;
	background-image: url("/Images/essenceindex/hero_main_bg_m.png");
	background-repeat: no-repeat;
	background-position: center;
}
.hero-text {
	display: flex;
	flex-direction: column;
	align-items: center;
}
.hero-badge {
	display: inline-block;
	background: rgba(255, 255, 255, 0.08);
	padding: 12px 24px;
	border-radius: 50px;
	font-size: 18px;
	font-weight: 500;
	margin-bottom: 16px;
	border: 1px solid rgba(255, 255, 255, 0.15);
	color: #fff;
	transition: all 0.3s ease-out;
	cursor: pointer;
    transition: all 0.3s ease-in-out;
}
.hero-badge:hover {
	background: #FF5F00;
	color: #020204;
	border-color: #b34200;
	transform: translateY(-3px);
	/* filter: drop-shadow(#ff9759 1px 1px 2px); */
}
.hero-badge svg path {
    transition: fill 0.3s ease-in-out;
}
.hero-badge:hover svg path {
    fill: #020204;
}
.hero-badge:hover .hero-badged-inner {
    color: #020204;
}
.hero-badged-inner {
	display: flex;
	align-items: center;
	gap: 8px;
	color: #fff;
    transition: all 0.3s ease-in-out;
}
.hero-title1 {
	font-size: 20px;
	font-weight: 700;
	line-height: 1.35em;
	color: #fff;
}
.hero-title2 {
	font-size: 38px;
	font-weight: 800;
	margin-bottom: 16px;
	line-height: 1.35;
	color: #fff;
}
.hero-subtitle {
	color: var(--text-gray);
	font-size: 17px;
	margin-bottom: 24px;
	line-height: 1.6;
	text-align: center;
}
.hero-subtitle span {
	color: var(--light-purple);
}


/* Swiper pagination dots */
.hero-swiper .swiper-pagination-bullet {
	background: rgba(255, 255, 255, 0.3);
	opacity: 1;
	width: 8px; height: 8px;
}
.hero-swiper .swiper-pagination-bullet-active {
	background: var(--primary-color);
	width: 24px;
	border-radius: 4px;
}
.swiper-slide {
    overflow: hidden; 
}
.swiper-slide picture,
.swiper-slide picture img {
    width: 100%;
    height: auto;
}

.hero-swiper .swiper-pagination {
	width: 80%;
	max-width: 650px;

    position: absolute;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
	
    display: flex;
    justify-content: space-between;
    gap: 10px;
}
.hero-swiper .swiper-pagination-bullet {
    flex: 1; 
    width: auto !important; 
    height: 4px;
    border-radius: 0;
    background: #fafafa;
    opacity: 0.35;
    margin: 0 !important;
    transition: width 0.3s, background-color 0.3s;
}
.hero-swiper .swiper-pagination-bullet-active {
	background: #778FE6;
    opacity: 1;
}

/* --- [Stats Section] --- */
.stats-section {
	padding: 120px 0 80px;
	background-image: url("/Images/essenceindex/stats_bg_tablet.png");
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center center;
}
.stats-container {
	display: flex;
	flex-direction: column;
    align-items: center;
    justify-content: center;
}
.stats-left {
	margin-bottom: 8px;
}
.stats-heading {
	text-align: center;
	font-size: 32px;
	font-weight: 700;
	color: var(--text-white);
	line-height: 1.2;
	margin-bottom: 2rem;
}
.stats-desc {
	font-size: 18px;
	color: var(--text-gray);
	line-height: 1.5;
}
.stats-right-flex {
	display: flex;
	flex-direction: column;
	grid-template-columns: repeat(3, 1fr);
	gap: 52px;
	padding: 28px 0;
	margin: 80px 0;
	min-width: 300px;
}
.stat-item {
	text-align: left; 
	padding-bottom: 38px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.4);
}
.stat-label { font-size: 20px; color: #fff; margin-bottom: 4px; }
.stat-value {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	font-size: 32px; font-weight: 700; color: #fff; 
}
.stat-number {
	font-size: 90px;
	font-style: normal;
	font-weight: 900;
	line-height: 1em;
	letter-spacing: -1.8px;
	
    background: linear-gradient(359deg, #B9BBFF 7.19%, #5C61EB 124.66%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}
.stat-unit { 
	font-size: 40px; font-weight: 400; 
	padding-bottom: 4px;
}

.section-ending {
	text-align: center;
	font-size: 32px;
	font-weight: 700;
	color: var(--text-white);
	line-height: 1.4;
}

/* --- [Students Section] --- */
.students-section {
	padding-bottom: 0;
}
.students-section .container {
	padding: 0;
	margin: 0;
	width: 100%;
}

/* --- [Solution Section] --- */
.solution-section {
	padding-top: 80px;
}
.solution-section .container {
	padding: 0;
	margin: 0;
	width: 100%;
}
.solution-heading {
    text-align: center;
    font-size: 34px;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1em;
    margin-bottom: 1rem;
}
.solution-heading span {
    font-size: 54px;
    line-height: 1em;
}
.solution-subtext {
	font-size: 18px;
	color: var(--text-gray);
	line-height: 1em;
	font-weight: 300;
	margin-bottom: 80px;
}
.solution-card-grid-container {
	display: flex;
	flex-direction: column;
}
.solution-card-grid {
	display: flex;
	justify-content: center;
    align-items: center;
	aspect-ratio: 834 / 1029;
	/* max-height: 700px; */
	background-image: url("/Images/essenceindex/solution_card-01.png");
	background-repeat: no-repeat;
	background-position: center;
}
.solution-card-grid.solution-card-grid-01 {
	background-image: url("/Images/essenceindex/solution_card-01.png");
}
.solution-card-grid.solution-card-grid-02 {
	background-image: url("/Images/essenceindex/solution_card-02.png");
}
.solution-card-grid.solution-card-grid-03 {
	background-image: url("/Images/essenceindex/solution_card-03.png");
}
.solution-card-inner {
	text-align: center;
}
.solution-card-icon {
	margin-bottom: 20px;
}
.solution-card-icon img {
	margin: auto;
	width: 70px;
}
.solution-card-subtext {
	color: #B9BBFF;
	font-size: 22px;
	font-weight: 500;
	letter-spacing: -0.44px;
}
.solution-card-maintext {
	color: #fff;
	font-size: 42px;
	font-weight: 800;
	letter-spacing: -1.1px;
	margin-bottom: 2rem;
}
.solution-card-desctext {
	color: #ddd;
	font-size: 17px;
	font-weight: 200;
	letter-spacing: -0.52px;
}

/* --- [susiTeachers Section] --- */
.susiTeachers-section {
	padding: 160px 0 96px;
	background: linear-gradient(146deg, #100B20 0.33%, #0B0816 50%, #100B20 99.67%);
}
.susiTeachers-section .container {
	padding: 0;
	margin: 0;
	width: 100%;
}
.susiTeachers-heading {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1.4;
    margin-bottom: 1rem;
}
.susiTeachers-subtext {
	font-size: 17px;
	color: var(--text-gray);
	line-height: 1.6em;
	font-weight: 300;
	margin-bottom: 80px;
}
.susiTeachers-subtext-2 {
	color: #FFF;
	font-size: 22px;
	font-style: normal;
	font-weight: 600;
	line-height: 1em;
	letter-spacing: -0.68px;
	margin-bottom: 48px;
}

.susiTeachers-pc {
	display: none;
}


.susiTeachers-swiper {
    padding-bottom: 50px;
}
.susiTeachers-swiper .swiper-pagination {
    bottom: 10px;
}

.susiTeachers-swiper .swiper-pagination-bullet {
    background: #b8b8b8;
}
.susiTeachers-swiper .swiper-pagination-bullet-active {
    background: #778FE6;
}
.susiTeacher-card {
	border-radius: 16px;
	display: flex;
    align-items: center;
	aspect-ratio: 660 / 384;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center top;
}
.susiTeacher-card-wrapper .susiTeacher-card:first-of-type {
	margin-bottom: 24px;
}
.susiTeacher-card .susiTeacher-wrapper {
	margin-left: 30px;
}
.susiTeacher-card .susiTeacher-wrapper .susiTeacher-name {
	color: #FFF;
	font-size: 24px;
	font-weight: 700;
	line-height: 1.4em;
	letter-spacing: -0.8px;
	margin-bottom: 14px;
}
.susiTeacher-card .susiTeacher-wrapper .susiTeacher-desc {
	color: #FFF;
	opacity: 0.7;
	font-size: 16px;
	font-weight: 200;
	line-height: 1.4em;
	letter-spacing: -0.56px;
}

/* --- [Teachers Section] --- */
.teachers-section {
	padding: 0 0 48px;
}
.teachers-section .container {
	padding: 0;
	margin: 0;
	width: 100%;
}
.teachers-tab-menu {
	background: #211F31;
	display: flex;
	border-radius: 12px;
	justify-content: center;
	align-items: center;
	width: 100%;
	max-width: 1200px;
	margin: auto;
	margin-bottom: 80px;
}
.teachers-tab-menu a {
	cursor: pointer;
	color: #5D5D6B;
	width: 50%;
	text-align: center;
	font-size: 16px;
	line-height: 18px;
	font-weight: 600;
	letter-spacing: -0.48px;	
	padding: 28px 0;
	transition: all 0.3s ease-out;
}
.teachers-tab-menu a:first-of-type {
	border-radius: 12px 0 0 12px;
}
.teachers-tab-menu a:last-of-type {
	border-radius: 0 12px 12px 0;
}
.teachers-tab-menu a.active {
	background: #383A62;
	color: #778FE6;
	border-radius: 12px;
}

/*ipjunbuTeachers*/
.ipjunbuTeachers-swiper {
	padding: 0 20px;
    padding-bottom: 50px;
}
.ipjunbuTeacher-card {
	max-width: 341px;
	display: flex;
    align-items: flex-end;
	aspect-ratio: 341 / 441;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center top;
}
.ipjunbuTeacher-card .ipjunbuTeacher-info {
	margin: 32px 32px;
}
.ipjunbuTeacher-card .ipjunbuTeacher-info .ipjunbuTeacher-name {
	color: #FFF;
	font-size: 24px;
	font-weight: 700;
	line-height: 1em;
	letter-spacing: -0.68px;
	margin-bottom: 1.2rem;
}
.ipjunbuTeacher-card .ipjunbuTeacher-info .ipjunbuTeacher-sub {
	color: #FFF;
	font-size: 16px;
	font-weight: 400;
	line-height: 1.5em;
	letter-spacing: -0.51px;
}
.ipjunbuTeachers-swiper .swiper-pagination {
	width: calc(100% - 20px);
	max-width: 1280px;

    position: absolute;
    bottom: 20px;
    left: 20px;
	
    display: flex;
    justify-content: space-between;
    gap: 0;
}
.ipjunbuTeachers-swiper .swiper-pagination-bullet {
    flex: 1; 
    width: auto !important; 
    height: 4px;
    border-radius: 0;
    background: #b8b8b8;
    margin: 0 !important;
    transition: width 0.3s, background-color 0.3s;
}
.ipjunbuTeachers-swiper .swiper-pagination-bullet-active {
	background: #778FE6;
    opacity: 1;
	width: 24px;
	border-radius: 4px;
}
/*tutorTeachers*/
.tutorTeachers-swiper {
	padding: 0 20px;
    padding-bottom: 50px;
}
.tutorTeacher-card {
	max-width: 341px;
	display: flex;
    align-items: flex-end;
	aspect-ratio: 341 / 441;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center top;
}
.tutorTeacher-card .tutorTeacher-info {
	margin: 45px 30px;
}
.tutorTeacher-card .tutorTeacher-info .tutorTeacher-subj {
	display: inline-block;
	font-size: 14px;
	font-weight: 700;
	line-height: 1em;
	padding: 8px 16px;
	border-radius: 34px;
	margin-bottom: 1.2rem;
	background: #5C61EB;
}
.tutorTeacher-card .tutorTeacher-info .tutorTeacher-name {
	color: #FFF;
	font-size: 24px;
	font-weight: 700;
	line-height: 1em;
	letter-spacing: -0.68px;
	margin-bottom: 1.2rem;
}
.tutorTeacher-card .tutorTeacher-info .tutorTeacher-sub {
	color: #FFF;
	font-size: 16px;
	font-weight: 400;
	line-height: 1.7em;
	letter-spacing: -0.51px;
}
.tutorTeachers-swiper {
	display: none;
}
.tutorTeachers-swiper .swiper-pagination {
	width: calc(100% - 20px);
	max-width: 1280px;

    position: absolute;
    bottom: 20px;
    left: 20px;
	
    display: flex;
    justify-content: space-between;
    gap: 0;
}
.tutorTeachers-swiper .swiper-pagination-bullet {
    flex: 1; 
    width: auto !important; 
    height: 4px;
    border-radius: 0;
    background: #b8b8b8;
    margin: 0 !important;
    transition: width 0.3s, background-color 0.3s;
}
.tutorTeachers-swiper .swiper-pagination-bullet-active {
	background: #778FE6;
    opacity: 1;
	width: 24px;
	border-radius: 4px;
}

/* --- [Package Steps] --- */
.package-section {
	padding: 48px 0;
}
.package-heading {
    text-align: center;
    font-size: 34px;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1em;
    margin-bottom: 1rem;
}
.package-subtext {
	font-size: 18px;
	color: var(--text-gray);
	line-height: 1.6em;
	font-weight: 300;
	margin-bottom: 80px;
}
.package-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 30px;
}
.package-card {
	border-radius: 25px;
	border: 1px solid #3C3674;
	background: #0E0F26;
	padding: 64px 34px;
	display: flex;
	justify-content: flex-start;
	flex-direction: column;
	min-height: 180px;
	position: relative;
	overflow: hidden;
	transition: all 0.3s ease-out;
}
.package-card:hover {
	transform: translateY(-4px);
	border: 1px solid transparent;
	background-image: 
        linear-gradient(#0E0F26, #0E0F26), 
        radial-gradient(153.01% 103.2% at 51.3% 98.7%, #2488CB 0%, #64DBEF 50%, #9E35F5 100%);
	background-origin: border-box;
    background-clip: padding-box, border-box;		
}
.package-subtitle{
	color: #FFF;
	font-size: 17px;
	font-weight: 700;
	line-height: 1em;
	letter-spacing: -0.6px;
}
.package-subtitle-purple {
	color: #B9BBFF;
	margin-right: 0.9rem;
}
.package-title1 { 
	color: #FFF;
	font-size: 32px;
	font-weight: 200;
	line-height: 1em;
	letter-spacing: -0.1px;
	margin-top: 1.7rem;
	margin-bottom: 0.9rem;
}
.package-title2 { 
	color: #FFF;
	font-size: 32px;
	font-weight: 800;
	line-height: 1em;
	letter-spacing: -0.1px;
	margin-bottom: 1.5rem;
}
.package-desc { 
	color: #9f9fa8;
	font-size: 15px;
	font-weight: 600;
	line-height: 1.7em;
	letter-spacing: -0.48px;
}
.package-desc br {
    display: none;
}
.package-check-list {
	margin-top: 70px;
}
.package-check-list li::before {
    content: "";
    display: inline-block;
	width: 1rem;
    height: 1rem;    
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='27' height='19' viewBox='0 0 27 19' fill='none'%3E%3Cpath d='M24.7739 1.32031L8.64956 17.1603L1.32031 9.96031' stroke='white' stroke-width='2.64' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: contain;
	margin-right: 0.6rem;
}
.package-check-list li {
	color: #FFF;
	font-size: 18px;
	font-weight: 200;
	line-height: 1em;
	letter-spacing: -0.6px;
	margin-bottom: 1.6rem;
}
.package-check-list li:last-of-type {
	margin-bottom: 0;
}


/* --- [Books Section] --- */
.books-section {
	padding: 80px 0;
}
.books-section .container {
	padding: 0;
	margin: 0;
	width: 100%;
}
.books-heading {
    text-align: center;
    font-size: 34px;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1em;
    margin-bottom: 1rem;
}
.books-heading span {
    font-size: 54px;
    line-height: 1em;
}
.books-subtext {
	font-size: 18px;
	color: var(--text-gray);
	line-height: 1.7em;
	font-weight: 300;
	margin-bottom: 80px;
}
.books02-swiper {
	margin: 20px 0;
}
/*
.books03-swiper {
    margin-left: -215px !important;
    width: calc(100% + (215px) * 2) !important;
}*/
.books-card {
	width: calc(430px * 0.77);
	height: calc(150px * 0.8);
	display: flex;
	justify-content: flex-start;
	align-items: center;
	background: #0E0F26;
	padding: calc(34px * 0.8) calc(34px * 0.7);
	border-radius: 14px;
	text-align: left;

	/* border: 1px solid #3C3674; */
	border: 1px solid transparent;
	/*
	background-image: 
        linear-gradient(#0E0F26, #0E0F26), 
        radial-gradient(158.06% 118.69% at 36.4% 103.59%, #3C3674 0%, #3E3976 50%, #A49DEA 100%);
	*/
    /* ▼ at 뒤의 좌표를 '10% 110%' (좌측 하단 바깥)으로 변경 ▼ */
	background-image: 
        linear-gradient(#0E0F26, #0E0F26), 
        radial-gradient(158.06% 118.69% at 10% 110%, #3C3674 0%, #3E3976 50%, #A49DEA 100%);
	
	background-origin: border-box;
    background-clip: padding-box, border-box;		
}
.books-img {
	width: 130px;
	height: 100%;
	margin-right: calc(22px * 0.6);
	position: relative;
}
.books-img .books-img-diagonal-double-1 {
	width: calc(72px * 0.9);
	position: absolute;
	left: 4px;
	bottom: -15px;
	z-index: 2;
	box-shadow: 10px -10px 30px rgba(0, 0, 0, 0.15);
	max-height: unset;
}
.books-img .books-img-diagonal-double-2 {
	width: calc(72px * 0.9);
	position: absolute;
	right: 4px;
	top: -15px;
	max-height: unset;
}
.books-img .books-img-single-72 {
	position: absolute;
	top: -0.6vw;
	left: 1vw;
	width: calc(72px * 0.9);
	margin: auto;
	box-shadow: 10px 10px 30px rgba(0, 0, 0, 0.7);
}
.books-img .books-img-single-full {
	position: absolute;
	top: -1vw;
	width: 100%;
	box-shadow: 10px 10px 30px rgba(0, 0, 0, 0.7);
}
.books-txt {
	height: 100%;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}
.books-title {
	font-size: 16px;
	font-weight: 700;
	color: #fff;
	line-height: 1em;
}
.books-desc {
	font-size: 13px;
	font-weight: 600;
	color: #9f9fa8;
	line-height: 1.4em;
}

/* --- [youtubeShorts Section] --- */
.youtubeShorts-section {
	padding: 80px 0 48px;
}
.youtubeShorts-container {
	padding: 0;
}
.youtubeShorts-heading {
    text-align: center;
    font-size: 34px;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1em;
    margin-bottom: 80px;
}
.youtubeShorts-heading span {
    font-size: 54px;
    line-height: 1em;
}
.shorts-swiper { padding-bottom: 10px; }
.shorts-card {
	transition: all 0.3s ease-out;
}
.shorts-card:hover .shorts-thumbnail {
	box-shadow: rgba(46, 46, 46, 0.3) 0px 9px 18px, 
	rgba(48, 48, 48, 0.3) 0px 8px 6px;
}
.shorts-card:hover .shorts-txt {
	transform: translateY(-4px);
}
.shorts-card .shorts-thumbnail {
	border: 1px solid #3f3f3f;

	border-radius: 12px;
	aspect-ratio: 9 / 16;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center top;
}
.shorts-card .shorts-txt {
	transition: all 0.3s ease-out;

	margin-top: 1rem;
	color: #FFF;
	font-size: 18px;
	font-weight: 400;
	line-height: 1.4em;
	letter-spacing: -0.48px;
}

/* --- [blogStory Section] --- */
.blogStory-section {
	padding: 80px 0 48px;
}
.blogStory-container {
	padding: 24px 0 48px;
}
.blogStory-heading {
    text-align: center;
    font-size: 34px;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1em;
    margin-bottom: 40px;
}
.blogStory-heading span {
    font-size: 54px;
    line-height: 1em;
}
.blog-card {
	transition: all 0.3s ease-out;
}
.blog-card:hover .blog-thumbnail {
	box-shadow: rgba(87, 87, 87, 0.3) 0px 19px 38px, 
	rgba(87, 87, 87, 0.3) 0px 15px 12px;
}
.blog-card .blog-thumbnail {
	transition: all 0.3s ease-out;

	border-radius: 6px;
	aspect-ratio: 1 / 1;
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center top;
}
.blog-card .blog-txt-wrap {
	
}
.blog-card .blog-txt-wrap .blog-txt-type {
	color: #B9BBFF;
	font-size: 16px;
	font-weight: 600;
	line-height: 1em;
	letter-spacing: -0.2px;
	margin: 1em 0 0.5rem;
}
.blog-card .blog-txt-wrap .blog-txt-name {
	color: #FFF;
	font-size: 18px;
	font-weight: 400;
	line-height: 1.4em;
	letter-spacing: -0.48px;

    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    height: auto;
    white-space: normal;	
}

/* --- [FAQ Section] --- */
.faq-section {
	padding: 48px 0;
}
.faq-heading {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1em;
    margin-bottom: 80px;
}
.faq-item {
	border-bottom: 1px solid #E9EAEB;
}
.faq-question {
	display: flex;
	justify-content: space-between;
	align-items: center;
	cursor: pointer;
	color: #fff;
	font-size: 18px;
	font-weight: 500;
	transition: color 0.2s;
	padding: 18px 0;
}
.faq-item.active .faq-question {
	padding-bottom: 9px; 
}
/* .faq-question:hover { color: var(--primary-color); } */

/* + - 아이콘*/
.faq-question span {
    position: relative;
    display: block;
    width: 24px;   /* 동그라미 너비 */
    height: 24px;  /* 동그라미 높이 */
    border-radius: 50%; /* 원형 만들기 */
    border: 2px solid #B9BBFF;
    margin-left: 12px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}
/* 가로 선*/
.faq-question span::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;  /* 선 길이 */
    height: 2px;  /* 선 두께 */
    background-color: #B9BBFF; /* 기본 선 색 */
    transition: all 0.3s ease;
}
/* 세로 선*/
.faq-question span::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 10px;
    background-color: #B9BBFF;
    transition: all 0.3s ease;
}
/* 활성화 */
.faq-item.active .faq-question span {
    border-color: var(--primary-color);
}
.faq-item.active .faq-question span::before,
.faq-item.active .faq-question span::after {
    background-color: var(--primary-color);
}
.faq-item.active .faq-question span::after {
    /* transform: translate(-50%, -50%) rotate(90deg); */
	opacity: 0;
}

.faq-answer {
	display: none;
	color: #D1D1D1;
	font-size: 16px;
	line-height: 1.6;
	word-break: break-all;
	padding-bottom: 18px;
}
.faq-item.active .faq-answer { display: block; }

/* --- [Call Section] --- */
.call-section {
	padding: 48px 0;
}
.call-heading {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-white);
    line-height: 1.4em;
    margin-bottom: 80px;
}
.call-image {
	width: 100%;
    max-width: 430px;
	margin: auto;
	margin-bottom: 140px;
}
#call-encouragement {
	max-width: 450px;
	margin: auto;
	position: relative;
	border: solid 1px #3C3674;
	border-radius: 35px;
	background-color: #222045;
	color: #fff;
	padding: 24px;
	text-align: center;
	font-size: 15px;
	font-weight: 700;
	line-height: 1em;
	margin-bottom: 14px;
	
	/* 부드러운 숨김 처리를 위한 속성 */
    opacity: 0;
    visibility: hidden; 
    transition: all 0.5s ease-in-out;
    transform: translateY(20px);
}
#call-encouragement.show {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
	z-index: 100;
}
/* 1. 꼬리의 '테두리'를 만드는 삼각형 (::before) */
#call-encouragement::before {
    content: "";
    position: absolute;
    /* 테두리 두께(1px)만큼 더 아래로 내리고, 크기도 1px 더 크게 만듭니다. */
    bottom: -21px; 
    left: 50%;
    transform: translateX(-50%);
    border-top: 21px solid #3C3674; /* 본문 테두리 색상과 동일하게 */
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-bottom: 0;
    z-index: 0; /* 배경 삼각형 뒤로 보냅니다. */
}

/* 2. 꼬리의 '배경'을 만드는 삼각형 (::after) - 기존 코드 유지 */
#call-encouragement::after {
    content: "";
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    border-top: 20px solid #222045; /* 본문 배경 색상과 동일하게 */
    border-left: 14px solid transparent;
    border-right: 14px solid transparent;
    border-bottom: 0;
    z-index: 1; /* 테두리 삼각형 앞으로 가져옵니다. */
}

/* --- [Floating CTA] --- */
.floating-cta {
	display: block;
	position: fixed;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 90%;
	max-width: 400px;
	z-index: 999;
	text-align: center;
}
.cta-btn {
	display: block;
	width: 100%;
	padding: 16px;
	background: var(--accent-orange);
	color: #fff;
	font-weight: 400;
	font-size: 20px;
	border-radius: 10px;
	border: none;
	cursor: pointer;
	margin-bottom: 10px;
	transition: transform 0.2s, box-shadow 0.2s;

	opacity: 0;
	transition: all 0.4s ease-in-out;
	transform: translateY(20px);
}
.cta-btn.show {
	opacity: 1;
	transform: translateY(0);
}
.floating-cta-pc {
	display: none;
	justify-content: space-between;
	align-items: center;
	position: fixed;
	bottom: 14px; left: 50%;
	transform: translateX(-50%);
	width: 1200px;
	z-index: 999;
	background: var(--accent-orange);
	box-shadow: 0 8px 24px rgba(255, 107, 0, 0.4);
	border-radius: 10px;
	padding: 18px 50px;
}
.cta-txt-pc {
	display: block;
	color: #020204;
	font-weight: 700;
	font-size: 20px;
	letter-spacing: -0.04px;
}
.cta-btn-pc {
	display: block;
	color: #fff !important;
	padding: 14px 24px; 
	font-size: 16px;
	font-weight: 600;
	line-height: 1em;
	border: #fff solid 1px;
	border-radius: 23px;
	cursor: pointer;
	transition: transform 0.2s, box-shadow 0.2s;
}
.cta-btn-pc:hover {
	transform: scale(1.03);
	box-shadow: 0 12px 32px rgba(255, 107, 0, 0.5);
}

/* --- [Footer] --- */
footer {
	/* background: linear-gradient(356deg, #0D0914 5.53%, #130C28 98.45%); */
	/* background-image: url("/Images/essenceindex/footer-bg.png"); */
	background: url("/Images/essenceindex/footer-bg.png") center/cover no-repeat, 
		linear-gradient(356deg, #0D0914 5.53%, #130C28 98.45%);
	background-position: center;
	text-align: left;
	line-height: 1.8;
}
footer .container {
	padding: 0 34px;
}
.footer-top-section {
	border-bottom: 1px solid #fff;
}
.footer-top-section .footer-sns {
	display: flex;
	gap: 22px;
	padding: 20px 0;
}
.footer-bottom-section {
	padding-top: 20px;
	padding-bottom: 180px;
}
.footer-bottom-section .container {
	display: flex;
	justify-content: space-between;
}
.footer-bottom-left-section {
	position: relative;
}
.footer-bottom-section .footer-bottom-left-section .footer-companyName {
	font-size: 18px;
	font-weight: 700;
	color: #fff;
}
.footer-bottom-section .footer-bottom-left-section .footer-description {
	font-size: 14px;
	font-weight: 300;
	color: #CDCDCD;
	margin-top: 10px;
}
.footer-bottom-section .footer-bottom-left-section .footer-copyright {
	font-size: 15px;
	font-weight: 400;
	color: #fff;
}
.footer-bottom-right-section {
	display: none;
}
.footer-bottom-right-section .footer-sns {
	display: flex;
	gap: 14px;
	padding: 20px 0;
}

/* 
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
	TABLET (protrait) BREAKPOINT (768px+)
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
*/
@media (min-width: 768px) {

	.br_for_pc_TBprotrait {
		display: block;
	}
	.container { width: var(--container-width-tab); }

	/* Header */
	.logo { font-size: 22px; }	
	.logo img {
		height: auto;
	}

	/* main */
	.hero-section { padding-top: 67px; }
	.hero-title1 { font-size: 38px; }
	.hero-title2 { font-size: 38px; }
	.hero-subtitle { font-size: 16px; }
	.hero-slide-content {
		display: flex;
		justify-content: center;
		align-items: center;
		text-align: center;

		aspect-ratio: 833 / 600;
		background-image: url("/Images/essenceindex/hero_main_bg_pc.png");
		background-size: cover;
		/* background-size: contain; */
		background-repeat: no-repeat;
		background-position: center center;
	}
	/* Stats */
	.stats-container {
		flex-direction: column;
	}
	.stats-section {
		padding: 60px 0; 
		background-position: bottom center;
	}
	.stats-right-flex {
		min-width: 400px;
	}
	.stats-heading { font-size: 24px; }
	.stats-right-flex { padding: 36px 0; }
	.stat-value { font-size: 40px; }
	.stats-desc {
		font-size: 22px;
	}

	/* Solution */
	.solution-card-icon {
		color: #fff;
		font-size: 22px;
	}
	.solution-card-subtext {
		font-weight: 600;
		letter-spacing: -0.6 4px;
	}
	
	/* Solution */
	.solution-section { padding-top: 60px; }
	.solution-card-icon img {
		width: 100px;
	}
	
	/* susiTeachers */
	.susiTeachers-subtext-2 {
		display: none;
	}
	.susiTeachers-section .container {
		padding: 0;
		margin: 0;
		width: 100%;
	}

	/* Teacher */
	.teacher-img { height: 300px; }

	/* Package */
	.package-section { padding: 60px 0; }
	.package-grid { gap: 50px; }
	.package-card {
		padding: 100px 44px;
	}
	.package-subtitle{ font-size: 28px;}
	.package-title1 { font-size: 52px;}
	.package-title2 { font-size: 52px;}
	.package-desc { font-size: 24px;}
	.package-desc br {
        display: none;
    }
	.package-check-list { margin-top: 90px; }
	.package-check-list li {font-size: 26px;}

	/* FAQ */
	.faq-list { max-width: 800px; margin: 0 auto; }
}
/* 
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
	TABLET (landscape) BREAKPOINT (1024px+)
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
*/
@media (min-width: 1024px) {
	.br_for_pc_TBprotrait {
		display: block;
	}
	.br_for_pc_TBlandscape {
		display: block;
	}

	/* main */
	.hero-title1 { font-size: 38px; }
	.hero-title2 { font-size: 38px; }

	/* Stats */
    .stats-heading {
        font-size: 44px;
    }
    .stats-section {
        padding: 140px 0 80px;
        background-position: bottom center;
    }

	/* Solution */
	.solution-section { padding-top: 160px; }
	.solution-card-grid-container {
		width: 100%;
		flex-direction: row;
		justify-content: center;
	}
	.solution-card-grid {
		aspect-ratio: 640 / 790;
		width: calc(100% / 3);
		transition: all 0.4s ease-out;
	}
	.solution-card-grid.solution-card-grid-01 {
		background-image: url("/Images/essenceindex/solution_card_pc-01.png");
	}
	.solution-card-grid.solution-card-grid-01:hover {
		background-image: url("/Images/essenceindex/solution_card_pc-01_hover.png");
	}
	.solution-card-grid.solution-card-grid-02 {
		background-image: url("/Images/essenceindex/solution_card_pc-02.png");
	}
	.solution-card-grid.solution-card-grid-02:hover {
		background-image: url("/Images/essenceindex/solution_card_pc-02_hover.png");
	}
	.solution-card-grid.solution-card-grid-03 {
		background-image: url("/Images/essenceindex/solution_card_pc-03.png");
	}
	.solution-card-grid.solution-card-grid-03:hover {
		background-image: url("/Images/essenceindex/solution_card_pc-03_hover.png");
	}
	.solution-card-subtext {
		font-size: 22px;
	}
	.solution-card-maintext {
		font-size: 40px;
		letter-spacing: -0.8px;
	}
	.solution-card-desctext {
		font-size: 16px;
		letter-spacing: -0.36px;
	}

	/* susiTeachers */
	.susiTeachers-subtext {
		margin-bottom: 48px;
	}
	.susiTeachers-section {
		padding: 160px 0 80px;
	}

	/* books */
	.books-section {
		padding: 80px 0 60px;
	}

	/* --- [youtubeShorts Section] --- */
	.youtubeShorts-section {
		padding: 48px 0 48px;
	}

	/* --- [blogStory Section] --- */
	.blogStory-section {
		padding: 60px 0 48px;
	}
	.blogStory-heading {
		margin-bottom: 80px;
	}
}

/*
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
	DESKTOP BREAKPOINT (1280px+)
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
====================================================================================
*/
@media (min-width: 1280px) {
	
	.container { width: var(--container-width-pc); padding: 0; }

	.br_for_mobileandtablet {
		display: none;
	}
	.br_for_pc {
		display: block;
	}
	.br_for_pc_TBprotrait {
		display: block;
	}
	.br_for_pc_TBlandscape {
		display: block;
	}

	/* Header — show nav links, keep hamburger for mobile menu */
	.nav-links {
		display: flex;
	}
	.logo { font-size: 24px; }

	/* main */
	.hero-section { padding-top: 68px; }
	.hero-section .swiper-slide{
		height: 600px;
	}
	.hero-section .swiper-slide img {
		width: 100%;
		height: 100%;
		object-fit: cover;
		object-position: center;
	}
	.hero-slide-content {
		display: flex;
		width: 100%;
		justify-content: center;
		align-items: center;
		text-align: center;
		background-image: url("/Images/essenceindex/hero_main_bg_pc.png");
		background-repeat: no-repeat;
		background-position: center center;
		height: 600px;
	}
	.hero-title1 { font-size: 54px; }
	.hero-title2 { font-size: 54px; }
	.hero-subtitle { font-size: 17px; }

	/* Stats */
	.stats-container {
		flex-direction: row;
	}
	.stats-section { 
		padding: 80px 0; 
		background-image: url("/Images/essenceindex/stats_bg_pc.png");
		background-position: 30% 35%;
		background-size: cover;
	}
	.stats-heading { 
		text-align: left;
		font-size: 45px; 
	}
	.stats-left {
		margin-bottom: 8px;
		margin-right: 300px;
	}
	.stats-right-flex { padding: 40px 0; margin-top: 32px; }
	.stat-value { font-size: 48px; }

	/* Solution */
	.solution-card-desctext {
		font-size: 18px;
	}

	/* susiTeachers */
	.susiTeachers-swiper {
		display: none;
	}
	.susiTeachers-pc {
		display: flex;
		flex-direction: row;
		justify-content: space-between;
		align-items: flex-start;
		width: 1200px; 
		margin: 0 auto; 
	}
	.susiTeachers-flex-col {
		display: flex;
		flex-direction: column;
		gap: 24px;
		width: calc(33.333% - 16px); 
	}
	.susiTeachers-flex-col.susiTeachers-flex-col-2 {
		margin-top: 220px;
	}
	.susiTeachers-flex-col.susiTeachers-flex-col-3 {
		margin-top: 0;
	}
	.susiTeachers-pc-title-area {
		margin: 110px 0 80px;
	}
	.susiTeachers-pc-title-area .susiTeachers-pc-title {
		color: #FFF;
		font-size: 54px;
		font-weight: 700;
		line-height: 1.4em;
		letter-spacing: -1.08px;
		margin-bottom: 20px;
	}
	.susiTeachers-pc-title-area .susiTeachers-pc-subtitle {
		color: #FFF;
		opacity: 0.7;
		font-size: 24px;
		font-weight: 300;
		line-height: 1.4em;
		letter-spacing: -0.48px;	
	}
	.susiTeacher-pc-card {
		display: flex;
		align-items: flex-end;
		width: 384px;
		height: 500px;
		aspect-ratio: 384 / 500;
		background-size: contain;
		background-repeat: no-repeat;
		background-position: center center;
		position: relative;
		border-radius: 12px;
		background-color: #1A1A2E;
		overflow: hidden;
	}
	.susiTeacher-pc-hover {
		background-color: #3F45EA;
		background-image: url("/Images/essenceindex/susiTeacher_pc_hover_line.png");
		background-repeat: no-repeat;
		background-position: center center;
		position: relative;
		opacity: 0;
		transition: opacity .4s cubic-bezier(0.37, 0, 0.63, 1);
		z-index: 5;
		width: 100%;
		height: 100%;
		position: absolute;
		top: 0;
		left: 0;
		display: flex;
		align-items: flex-end;
	}
	/* 호버 시 표시 */
	.susiTeacher-pc-card:hover .susiTeacher-pc-wrapper {
		opacity: 0;
	}
	.susiTeacher-pc-card:hover .susiTeacher-pc-hover {
		opacity: 0.92;
		visibility: visible;
	}
	.susiTeacher-pc-hover .susiTeacher-pc-hover-wrapper {
		margin: 36px 30px;
	}
	.susiTeacher-pc-hover .susiTeacher-pc-hover-wrapper .hover-name {
		color: #FFF;
		font-size: 24px;
		font-weight: 700;
		line-height: 1.4em;
		letter-spacing: -0.48px;
		margin-bottom: 10px;		
	}
	.susiTeacher-pc-hover .susiTeacher-pc-hover-wrapper .hover-resume {
		color: #FFF;
		font-size: 18px;
		font-weight: 300;
		line-height: 1.4em;
		letter-spacing: -0.36px;		
	}
	.susiTeacher-pc-card .susiTeacher-pc-wrapper {
		margin: 36px 30px;
		position: relative;
		transition: all .3s ease-in-out;
	}
	.susiTeacher-pc-card .susiTeacher-pc-wrapper .susiTeacher-pc-name {
		color: #FFF;
		font-size: 24px;
		font-weight: 700;
		line-height: 1.4em;
		letter-spacing: -0.48px;
		margin-bottom: 10px;
	}
	.susiTeacher-pc-card .susiTeacher-pc-wrapper .susiTeacher-pc-desc {
		color: #FFF;
		font-size: 18px;
		font-weight: 300;
		line-height: 1.4em;
		letter-spacing: -0.36px;
	}

	/* Teacher */
	.teachers-section {
		padding-top: 150px;
	}
	.teachers-section .container {
		width: var(--container-width-pc); 
		padding: 0; 
		margin: 0 auto;
	}
	.teachers-tab-menu a {
		font-size: 20px;
	}
	.teachers-tab-menu a:hover {
		font-weight: 800;
	}

	/* Package */
	.package-section { padding: 80px 0; }	
	.package-grid {
		grid-template-columns: repeat(3, 1fr);
		gap: 28px; 
	}
	.package-card {
		padding: 64px 40px;
	}
	.package-subtitle{ font-size: 18px;}
	.package-title1 { font-size: 32px;}
	.package-title2 { font-size: 32px;}
	.package-desc { font-size: 18px;}
	.package-desc br {
        display: block;
    }
	.package-check-list { margin-top: 50px; }
	.package-check-list li {font-size: 20px;}

	/* books */
	.books-section {
		padding: 80px 0;
	}

	/* Shorts */
	.shorts-overlay h4 { font-size: 15px; }

	/* FAQ */
	.faq-question { padding: 32px 0; }
	.faq-answer  { padding-bottom: 32px; }
	
	/* --- [Call Section] --- */
	#call-encouragement { display: none; }

	/* Floating CTA */
	.floating-cta { display: none; }
	.floating-cta-pc { 
		display: flex; 
		opacity: 0;
		transition: all 0.4s ease-in-out;
		margin: auto;
		transform: translateX(-50%) translateY(20px);
	}
	.floating-cta-pc.show { 
		opacity: 1;
		transform: translateX(-50%) translateY(0);
	}

	/* --- [Footer] --- */
	.footer-top-section {
		display: none;
	}
	.footer-bottom-section {
		padding-top: 70px;
		padding-bottom: 110px;
	}
	.footer-bottom-right-section {
	display: block;
	}
}