/* ===============================================
   DR-DRIVE-11 - 플라워 가든 (Flower Garden)
   카드 그리드 레이아웃, 파스텔 믹스
   Concept: 봄 정원의 다채로운 꽃들처럼 다양한 파스텔 컬러
   =============================================== */

/* CSS Variables - 파스텔 믹스 팔레트 */
:root {
    /* Pastel Mix Colors */
    --pastel-pink: #FFB6C1;
    --pastel-mint: #98D8C8;
    --pastel-lavender: #B8A9C9;
    --pastel-peach: #FFDAB9;
    --pastel-sky: #B5D5E8;
    --pastel-yellow: #FFFACD;

    /* Primary */
    --primary: #FFB6C1;
    --primary-dark: #F08A9E;
    --primary-light: #FFE4E9;

    /* Neutral */
    --white: #FFFFFF;
    --cream: #FFFBF7;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #EEEEEE;
    --gray-300: #E0E0E0;
    --gray-400: #BDBDBD;
    --gray-500: #9E9E9E;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;

    /* Typography */
    --font-primary: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Quicksand', 'Noto Sans KR', sans-serif;

    /* Spacing */
    --section-padding: 80px 0;

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
    --shadow-pastel: 0 8px 30px rgba(255, 182, 193, 0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--gray-800);
    line-height: 1.7;
    background: var(--cream);
    min-height: 100vh;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.4;
    color: var(--gray-900);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    padding: 8px 0;
}

.header .navbar {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: space-between !important;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
}

.navbar-brand .brand-icon {
    width: 40px;
    height: 40px;
    background: var(--pastel-pink);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
}

.header .navbar-nav {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 4px !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
}

.header .navbar-nav .nav-item {
    display: inline-block !important;
    margin: 0 !important;
}

.header .navbar-nav .nav-link {
    display: block !important;
    padding: 10px 16px !important;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-full);
    white-space: nowrap !important;
    transition: var(--transition-base);
}

.header .navbar-nav .nav-link:hover {
    color: var(--primary-dark);
    background: var(--primary-light);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--pastel-pink);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.header-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-pastel);
}

.navbar-toggler {
    display: none;
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.navbar-toggler span {
    width: 22px;
    height: 2px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* Mobile Navigation */
@media (max-width: 991px) {
    .header .navbar-toggler {
        display: flex !important;
    }

    .header .navbar-nav {
        display: none !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        flex-direction: column !important;
        background: var(--white) !important;
        padding: 20px !important;
        box-shadow: var(--shadow-lg) !important;
    }

    .header .navbar-nav.active {
        display: flex !important;
    }

    .header .navbar-nav .nav-item {
        display: block !important;
        width: 100% !important;
    }

    .header .navbar-nav .nav-link {
        padding: 12px 16px !important;
    }

    .header-cta {
        display: none;
    }
}

/* ===== HERO SECTION ===== */
.hero-section {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--cream) 0%, var(--primary-light) 100%);
    text-align: center;
}

.hero-content {
    max-width: 680px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--white);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.hero-badge i {
    color: var(--pastel-pink);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-title .title-line {
    display: block;
    color: var(--gray-800);
}

.hero-title .title-highlight {
    display: block;
    color: var(--primary-dark);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-primary {
    background: var(--pastel-pink);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-pastel);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--pastel-pink);
    color: var(--primary-dark);
}

.btn-kakao {
    background: #FEE500;
    color: #3C1E1E;
    font-size: 0.9rem;
    padding: 10px 20px;
}

.btn-kakao:hover {
    background: #F5DC00;
}

/* ===== STATS SECTION ===== */
.stats-section {
    padding: 40px 0;
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card.pastel-pink { border-top: 4px solid var(--pastel-pink); }
.stat-card.pastel-mint { border-top: 4px solid var(--pastel-mint); }
.stat-card.pastel-lavender { border-top: 4px solid var(--pastel-lavender); }
.stat-card.pastel-peach { border-top: 4px solid var(--pastel-peach); }

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.stat-card.pastel-pink .stat-icon { color: var(--pastel-pink); }
.stat-card.pastel-mint .stat-icon { color: var(--pastel-mint); }
.stat-card.pastel-lavender .stat-icon { color: var(--pastel-lavender); }
.stat-card.pastel-peach .stat-icon { color: var(--pastel-peach); }

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-800);
    font-family: var(--font-display);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ===== SECTION COMMON ===== */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== FEATURES GRID ===== */
.features-section {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
    color: var(--white);
}

.feature-icon.pastel-pink { background: var(--pastel-pink); }
.feature-icon.pastel-mint { background: var(--pastel-mint); }
.feature-icon.pastel-lavender { background: var(--pastel-lavender); }
.feature-icon.pastel-peach { background: var(--pastel-peach); }
.feature-icon.pastel-sky { background: var(--pastel-sky); }
.feature-icon.pastel-yellow { background: #FFD93D; color: var(--gray-800); }

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== PRICING GRID ===== */
.pricing-section {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.price-card {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    text-align: center;
    position: relative;
    transition: var(--transition-base);
}

.price-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.price-card.featured {
    background: linear-gradient(135deg, var(--pastel-pink) 0%, #FFD4DB 100%);
    color: var(--white);
}

.price-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--white);
    color: var(--gray-600);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.price-badge.popular {
    background: var(--white);
    color: var(--primary-dark);
}

.price-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.price-card.featured .price-title { color: var(--white); }

.price-subtitle {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-bottom: 20px;
}

.price-card.featured .price-subtitle { color: rgba(255, 255, 255, 0.85); }

.price-amount {
    margin-bottom: 8px;
}

.price-amount .currency {
    font-size: 1.25rem;
    font-weight: 600;
    vertical-align: top;
}

.price-amount .price {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-display);
    line-height: 1;
}

.price-amount .unit {
    font-size: 1.25rem;
    font-weight: 600;
}

.price-card.featured .price-amount { color: var(--white); }

.price-period {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-bottom: 24px;
}

.price-card.featured .price-period { color: rgba(255, 255, 255, 0.85); }

.price-features {
    list-style: none;
    padding: 0;
    margin: 0 0 28px 0;
    text-align: left;
}

.price-features li {
    padding: 10px 0;
    font-size: 0.95rem;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--gray-200);
}

.price-card.featured .price-features li {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.price-features li i {
    color: var(--pastel-mint);
}

.price-card.featured .price-features li i { color: var(--white); }

.price-btn {
    display: block;
    width: 100%;
    padding: 14px;
    background: var(--pastel-pink);
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.price-btn:hover {
    background: var(--primary-dark);
}

.price-card.featured .price-btn {
    background: var(--white);
    color: var(--primary-dark);
}

.price-card.featured .price-btn:hover {
    background: var(--gray-100);
}

.price-notice {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    color: var(--gray-600);
}

.price-notice i {
    color: var(--pastel-pink);
    margin-right: 8px;
}

/* ===== REVIEWS GRID ===== */
.reviews-section {
    background: var(--gray-50);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.review-rating {
    margin-bottom: 16px;
}

.review-rating i {
    color: #FFD93D;
    font-size: 0.9rem;
}

.review-content {
    font-size: 0.95rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 20px;
    min-height: 60px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--pastel-lavender);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
}

.author-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 2px;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.section-more {
    text-align: center;
    margin-top: 40px;
}

.more-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 1rem;
}

.more-link:hover {
    gap: 12px;
}

/* ===== COURSE GRID ===== */
.course-section {
    background: var(--white);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.course-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    transition: var(--transition-base);
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.course-day {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--pastel-pink);
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.course-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 20px auto;
    color: var(--white);
}

.course-icon.pastel-pink { background: var(--pastel-pink); }
.course-icon.pastel-mint { background: var(--pastel-mint); }
.course-icon.pastel-lavender { background: var(--pastel-lavender); }
.course-icon.pastel-peach { background: var(--pastel-peach); }

.course-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.course-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: var(--gray-50);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.contact-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
}

.info-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin: 0 auto 16px;
    color: var(--white);
}

.info-icon.pastel-pink { background: var(--pastel-pink); }
.info-icon.pastel-mint { background: var(--pastel-mint); }
.info-icon.pastel-lavender { background: var(--pastel-lavender); }

.info-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.info-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.info-desc {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.contact-form {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
}

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

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group label i {
    margin-right: 6px;
    color: var(--pastel-pink);
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--pastel-pink);
}

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

.btn-submit {
    width: 100%;
    padding: 16px;
    background: var(--pastel-pink);
    color: var(--white);
    font-size: 1.05rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-pastel);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-800);
    color: var(--white);
}

.footer-top {
    padding: 60px 0;
}

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

.footer .footer-content {
    display: grid !important;
    grid-template-columns: 1.2fr 2fr !important;
    gap: 60px !important;
    text-align: left !important;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-logo .brand-icon {
    width: 40px;
    height: 40px;
    background: var(--pastel-pink);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.footer-desc {
    font-size: 0.95rem;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--pastel-pink);
    transform: translateY(-3px);
}

.footer .footer-links-group {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 40px !important;
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

.footer .footer-links,
.footer ul.footer-links {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.footer .footer-links li {
    list-style: none !important;
    margin-bottom: 12px !important;
}

.footer .footer-links li::before,
.footer .footer-links li::marker {
    content: none !important;
    display: none !important;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: var(--transition-base);
}

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

.footer-links.contact-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--gray-400);
}

.footer-links.contact-list li i {
    color: var(--pastel-pink);
    width: 16px;
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid var(--gray-700);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ===== FLOATING CTA BUTTONS ===== */
.cta-buttons {
    position: fixed;
    right: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.cta-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-full);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.cta-btn:hover {
    transform: translateX(-4px);
}

.cta-btn.apply {
    background: var(--pastel-pink);
}

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

.cta-btn.tel {
    background: var(--pastel-mint);
}

.cta-btn i {
    font-size: 1rem;
}

/* Back to Top Button */
#backToTop {
    position: fixed;
    right: 20px;
    bottom: 180px;
    width: 48px;
    height: 48px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    font-size: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 998;
}

#backToTop.visible {
    opacity: 1;
    visibility: visible;
}

#backToTop:hover {
    background: var(--pastel-pink);
    border-color: var(--pastel-pink);
    color: var(--white);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 991px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

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

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

    .contact-info-cards {
        flex-direction: row;
    }

    .info-card {
        flex: 1;
    }

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

    .footer .footer-links-group {
        grid-template-columns: repeat(3, 1fr) !important;
    }

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

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-card {
        padding: 20px 16px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

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

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

    .course-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .contact-info-cards {
        flex-direction: column;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 28px;
    }

    .footer .footer-links-group {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }

    .cta-btn span {
        display: none;
    }

    .cta-btn {
        width: 52px;
        height: 52px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
    }

    #backToTop {
        bottom: 200px;
    }
}

@media (max-width: 576px) {
    .hero-section {
        padding: 120px 0 40px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

/* ===== PAGE HEADER (서브페이지) ===== */
.page-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--cream) 0%, var(--primary-light) 100%);
    text-align: center;
}

.page-header-content {
    max-width: 600px;
    margin: 0 auto;
}

.page-emoji {
    font-size: 3rem;
    margin-bottom: 16px;
}

.page-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.page-header p {
    font-size: 1.05rem;
    color: var(--gray-600);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--gray-500);
}

.breadcrumb a {
    color: var(--gray-500);
}

.breadcrumb a:hover {
    color: var(--primary-dark);
}

/* ===== REVIEW PAGE GRID ===== */
.review-section {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card .review-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 10px;
}

/* Pagination */
.pagination-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.pagination {
    display: flex;
    gap: 8px;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.pagination li {
    list-style: none !important;
}

.pagination li::before,
.pagination li::marker {
    content: none !important;
    display: none !important;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--gray-600);
    transition: var(--transition-base);
}

.page-link:hover,
.page-link.active {
    background: var(--pastel-pink);
    border-color: var(--pastel-pink);
    color: var(--white);
}

/* ===== CTA CARD ===== */
.cta-section {
    padding: 60px 0;
    background: var(--white);
}

.cta-card {
    background: linear-gradient(135deg, var(--pastel-pink) 0%, var(--pastel-lavender) 100%);
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    color: var(--white);
}

.cta-card h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.cta-card p {
    font-size: 1.05rem;
    margin-bottom: 24px;
    opacity: 0.9;
}

.cta-card .btn {
    background: var(--white);
    color: var(--primary-dark);
}

.cta-card .btn:hover {
    background: var(--gray-100);
}

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: var(--section-padding);
    background: var(--gray-50);
}

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

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-base);
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question i {
    color: var(--pastel-pink);
    transition: var(--transition-base);
}

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

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px;
    max-height: 500px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: var(--section-padding);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 20px;
}

.about-text p {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 991px) {
    .review-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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