:root {
    --primary: #6C5CE7;
    --primary-dark: #5849C2;
    --secondary: #00D2D3;
    --accent: #FD79A8;
    --gold: #FDCB6E;
    --dark: #2D3436;
    --gray: #636E72;
    --light-gray: #B2BEC3;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --gradient: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 100%);
    --gradient-2: linear-gradient(135deg, #00D2D3 0%, #00B894 100%);
    --shadow: 0 10px 40px rgba(108, 92, 231, 0.15);
    --shadow-lg: 0 25px 60px rgba(108, 92, 231, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.7;
    color: var(--dark);
    overflow-x: hidden;
}

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

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background: var(--gradient);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.section-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--dark);
}

.section-title span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 18px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 10px 30px rgba(108, 92, 231, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(108, 92, 231, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

/* 프로모션 배너 */
.promo-banner {
    background: linear-gradient(90deg, #FD79A8 0%, #FDCB6E 100%);
    color: white;
    text-align: center;
    padding: 12px 20px;
    font-weight: 600;
}

.promo-banner a {
    color: white;
    text-decoration: underline;
    margin-left: 10px;
}

/* 헤더 */
header {
    background: white;
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

header.scrolled {
    padding: 10px 0;
    box-shadow: 0 5px 30px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 28px;
    font-weight: 900;
    text-decoration: none;
    color: var(--dark);
}

.logo span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.nav-menu a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--gradient);
    color: white !important;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(108, 92, 231, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark);
    cursor: pointer;
}

/* 히어로 섹션 */
.hero {
    min-height: 100vh;
    background: linear-gradient(180deg, #F8F9FA 0%, #FFFFFF 100%);
    padding-top: 120px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.1) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 210, 211, 0.1) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    border-radius: 50%;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(253, 121, 168, 0.1) 0%, rgba(253, 203, 110, 0.1) 100%);
    border: 1px solid rgba(253, 121, 168, 0.3);
    color: #E84393;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 25px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.hero-title {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 25px;
    color: var(--dark);
}

.hero-title .highlight {
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 12px;
    background: linear-gradient(90deg, rgba(253, 203, 110, 0.5) 0%, rgba(253, 121, 168, 0.5) 100%);
    z-index: -1;
    border-radius: 3px;
}

.hero-title span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 20px;
    color: var(--gray);
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 50px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
    margin-top: 5px;
}

.hero-image {
    position: relative;
}

.hero-image-main {
    width: 100%;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
}

.hero-floating-card {
    position: absolute;
    background: white;
    padding: 20px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    animation: float 3s ease-in-out infinite;
}

.hero-floating-card.card-1 {
    top: 20px;
    left: -30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-floating-card.card-2 {
    bottom: 40px;
    right: -20px;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.floating-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.floating-text h4 {
    font-size: 14px;
    color: var(--dark);
}

.floating-text p {
    font-size: 12px;
    color: var(--gray);
}

.floating-rating {
    display: flex;
    align-items: center;
    gap: 5px;
}

.floating-rating i {
    color: var(--gold);
}

.floating-rating span {
    font-weight: 700;
    color: var(--dark);
}

/* 신뢰 지표 */
.trust-bar {
    background: white;
    padding: 30px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.trust-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.trust-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
}

.trust-text h4 {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}

.trust-text p {
    font-size: 14px;
    color: var(--gray);
}

/* 수업 과정 */
.courses {
    background: var(--bg-light);
}

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

.course-card {
    background: white;
    border-radius: 25px;
    padding: 35px 25px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.4s;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.course-card:hover::before {
    transform: scaleX(1);
}

.course-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 35px;
    color: white;
    transition: all 0.4s;
}

.course-card:hover .course-icon {
    transform: scale(1.1) rotate(5deg);
}

.course-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.course-card .age {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 15px;
}

.course-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.8;
}

/* 특장점 */
.features {
    background: white;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.feature-card {
    display: flex;
    gap: 25px;
    padding: 35px;
    background: var(--bg-light);
    border-radius: 25px;
    transition: all 0.3s;
}

.feature-card:hover {
    background: white;
    box-shadow: var(--shadow);
    transform: translateX(10px);
}

.feature-number {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 20px;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.feature-content p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.8;
}

/* 강사 섹션 */
.teachers {
    background: var(--bg-light);
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.teacher-card {
    background: white;
    border-radius: 25px;
    overflow: hidden;
    transition: all 0.4s;
    text-align: center;
}

.teacher-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.teacher-image {
    width: 100%;
    height: 280px;
    background: var(--gradient);
    position: relative;
    overflow: hidden;
}

.teacher-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.teacher-image .placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: white;
    opacity: 0.8;
}

.teacher-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: white;
    color: var(--primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.teacher-info {
    padding: 25px;
}

.teacher-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
}

.teacher-country {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.teacher-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 15px;
}

.teacher-tag {
    background: var(--bg-light);
    color: var(--gray);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
}

.teacher-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.teacher-rating i {
    color: var(--gold);
    font-size: 14px;
}

.teacher-rating span {
    font-weight: 700;
    color: var(--dark);
}

/* 학습 시스템 */
.system {
    background: var(--gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.system::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    top: -200px;
    right: -200px;
}

.system .section-header {
    position: relative;
    z-index: 1;
}

.system .section-title {
    color: white;
}

.system .section-desc {
    color: rgba(255,255,255,0.8);
}

.system-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.system-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 25px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s;
}

.system-card:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-5px);
}

.system-icon {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 35px;
    color: var(--primary);
}

.system-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
}

.system-card p {
    font-size: 15px;
    opacity: 0.9;
    line-height: 1.8;
}

/* 수강료 */
.pricing {
    background: white;
}

.pricing-toggle {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    align-items: center;
}

.pricing-toggle span {
    font-weight: 600;
    color: var(--gray);
}

.pricing-toggle span.active {
    color: var(--primary);
}

.toggle-switch {
    width: 60px;
    height: 30px;
    background: var(--gradient);
    border-radius: 30px;
    position: relative;
    cursor: pointer;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: all 0.3s;
}

.toggle-switch.active::after {
    left: 33px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-light);
    border-radius: 30px;
    padding: 45px 35px;
    text-align: center;
    position: relative;
    transition: all 0.4s;
}

.pricing-card.popular {
    background: white;
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
    border: 2px solid var(--primary);
}

.pricing-card:hover {
    transform: translateY(-10px);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 8px 25px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.pricing-duration {
    color: var(--gray);
    font-size: 15px;
    margin-bottom: 25px;
}

.pricing-price {
    margin-bottom: 30px;
}

.pricing-price .original {
    font-size: 18px;
    color: var(--light-gray);
    text-decoration: line-through;
}

.pricing-price .current {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-price .period {
    font-size: 16px;
    color: var(--gray);
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--gray);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--secondary);
    font-size: 16px;
}

.pricing-features li.disabled {
    color: var(--light-gray);
}

.pricing-features li.disabled i {
    color: var(--light-gray);
}

/* 후기 */
.reviews {
    background: var(--bg-light);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card {
    background: white;
    border-radius: 25px;
    padding: 35px;
    position: relative;
    transition: all 0.3s;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.review-quote {
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 50px;
    color: var(--primary);
    opacity: 0.1;
}

.review-rating {
    display: flex;
    gap: 3px;
    margin-bottom: 20px;
}

.review-rating i {
    color: var(--gold);
}

.review-text {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.9;
    margin-bottom: 25px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.review-avatar {
    width: 55px;
    height: 55px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 18px;
}

.review-info h4 {
    font-weight: 700;
    margin-bottom: 3px;
}

.review-info span {
    font-size: 13px;
    color: var(--gray);
}

.review-badge {
    display: inline-block;
    background: rgba(108, 92, 231, 0.1);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    margin-left: 10px;
}

/* 수업 영상 */
.video-section {
    background: white;
}

.video-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    align-items: start;
}

.video-main {
    border-radius: 25px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.video-main iframe {
    width: 100%;
    aspect-ratio: 16/9;
    border: none;
}

.video-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.video-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s;
}

.video-item:hover,
.video-item.active {
    background: white;
    box-shadow: var(--shadow);
}

.video-thumb {
    width: 120px;
    height: 70px;
    background: var(--gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.video-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.video-info p {
    font-size: 12px;
    color: var(--gray);
}

/* FAQ */
.faq {
    background: var(--bg-light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 20px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    box-shadow: var(--shadow);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    color: var(--dark);
}

.faq-question i {
    color: var(--primary);
    transition: transform 0.3s;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item.active .faq-answer {
    padding: 0 30px 25px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--gray);
    line-height: 1.8;
}

/* CTA 섹션 */
.cta-section {
    background: var(--gradient);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before,
.cta-section::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.cta-section::before {
    top: -100px;
    left: -100px;
}

.cta-section::after {
    bottom: -100px;
    right: -100px;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 44px;
    font-weight: 900;
    color: white;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.cta-buttons .btn-secondary {
    border-color: white;
    color: white;
}

.cta-buttons .btn-secondary:hover {
    background: white;
    color: var(--primary);
}

/* 푸터 */
footer {
    background: #1a1a2e;
    color: white;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand .logo {
    color: white;
    font-size: 32px;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 15px;
}

.footer-section a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.footer-section a:hover {
    color: var(--gold);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.footer-contact li i {
    color: var(--gold);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: rgba(255,255,255,0.4);
    font-size: 13px;
}

.footer-links {
    display: flex;
    gap: 25px;
}

.footer-links a {
    color: rgba(255,255,255,0.4);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: white;
}

/* 플로팅 버튼 */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    box-shadow: 0 5px 25px rgba(0,0,0,0.2);
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.floating-btn:hover {
    transform: scale(1.1);
}

.floating-btn.kakao {
    background: #FEE500;
    color: #3C1E1E;
}

.floating-btn.phone {
    background: var(--secondary);
}

.floating-btn.top {
    background: var(--primary);
}

/* 모바일 하단 고정 CTA */
.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 15px 20px;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    z-index: 998;
}

.mobile-cta-inner {
    display: flex;
    gap: 10px;
}

.mobile-cta .btn {
    flex: 1;
    justify-content: center;
    padding: 14px;
    font-size: 14px;
}

/* 반응형 */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        display: none;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

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

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

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

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

    .pricing-card.popular {
        transform: none;
    }

    .video-container {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .promo-banner {
        font-size: 13px;
        padding: 10px 15px;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        padding-top: 100px;
    }

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

    .hero-desc {
        font-size: 16px;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 28px;
    }

    .section {
        padding: 70px 0;
    }

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

    .courses-grid,
    .teachers-grid,
    .system-grid,
    .reviews-grid {
        grid-template-columns: 1fr;
    }

    .trust-container {
        flex-direction: column;
        text-align: center;
    }

    .trust-item {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .mobile-cta {
        display: block;
    }

    .floating-buttons {
        bottom: 100px;
    }
}

/* 모바일 메뉴 */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    z-index: 1001;
    padding: 80px 30px 30px;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 30px;
    cursor: pointer;
}

.mobile-nav ul {
    list-style: none;
}

.mobile-nav li {
    margin-bottom: 20px;
}

.mobile-nav a {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark);
    text-decoration: none;
}