/* Google Fonts - Premium Korean Fonts */
@import url('https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+KR:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --primary-color: #1a365d;
    --primary-light: #2c5282;
    --primary-dark: #0d1b2a;
    --accent-color: #00d4aa;
    --accent-hover: #00f5c4;
    --accent-glow: rgba(0, 212, 170, 0.4);
    --secondary-color: #4a90a4;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-dark: #1a202c;
    --bg-dark: #0a0f1a;
    --bg-card: rgba(26, 54, 93, 0.6);
    --bg-card-hover: rgba(44, 82, 130, 0.8);
    --gradient-primary: linear-gradient(135deg, #1a365d 0%, #0d1b2a 100%);
    --gradient-accent: linear-gradient(135deg, #00d4aa 0%, #00a896 100%);
    --gradient-hero: linear-gradient(180deg, rgba(10, 15, 26, 0.9) 0%, rgba(26, 54, 93, 0.7) 50%, rgba(10, 15, 26, 0.95) 100%);
    --border-color: rgba(0, 212, 170, 0.2);
    --shadow-glow: 0 0 30px rgba(0, 212, 170, 0.3);
    --font-primary: 'Pretendard', 'IBM Plex Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s 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);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.75;
    overflow-x: hidden;
    min-height: 100vh;
    font-weight: 400;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 212, 170, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(26, 54, 93, 0.1) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300d4aa' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
}

h3 {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Section Styles */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-header h2 {
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 3px;
}

.section-header p {
    max-width: 650px;
    margin: 24px auto 0;
    font-size: 1.05rem;
    font-weight: 400;
}

/* ============================================
   Hero Section - Left Text, Right Image
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 80px 0 120px;
    background: var(--gradient-hero);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.hero[style*="background-image"] {
    background-blend-mode: overlay;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 212, 170, 0.06) 0%, transparent 50%);
    animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 50px;
    margin-bottom: 28px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-color);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero h1 {
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero h1 .highlight {
    color: var(--accent-color);
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 1rem;
    margin-bottom: 32px;
    color: var(--text-secondary);
    line-height: 1.85;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 36px;
}

.hero-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(26, 54, 93, 0.6);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-normal);
}

.hero-tag:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.hero-tag i {
    color: var(--accent-color);
    font-size: 1rem;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-accent);
    color: var(--primary-dark);
    padding: 16px 36px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-glow);
    font-family: var(--font-primary);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 212, 170, 0.4);
}

.hero-cta i {
    font-size: 1.1rem;
}

/* Hero Image */
.hero-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

.hero-image::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    pointer-events: none;
    z-index: 1;
}

.hero-image::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.3), transparent 50%);
    z-index: -1;
}

/* ============================================
   Features Section - Learning Methods
   ============================================ */
.features {
    background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(26, 54, 93, 0.15) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

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

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

.feature-icon {
    width: 72px;
    height: 72px;
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: var(--transition-normal);
}

.feature-icon i {
    font-size: 1.8rem;
    color: var(--accent-color);
}

.feature-card:hover .feature-icon {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 14px;
    font-weight: 600;
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.75;
}

/* ============================================
   About / Method Section
   ============================================ */
.method-section {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.method-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse at right, rgba(0, 212, 170, 0.08) 0%, transparent 70%);
}

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

.method-text h2 {
    margin-bottom: 24px;
}

.method-text p {
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.method-list {
    list-style: none;
}

.method-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
    padding: 16px 20px;
    background: rgba(0, 212, 170, 0.05);
    border-left: 3px solid var(--accent-color);
    border-radius: 0 10px 10px 0;
    transition: var(--transition-normal);
}

.method-list li:hover {
    background: rgba(0, 212, 170, 0.1);
    transform: translateX(5px);
}

.method-list-icon {
    width: 28px;
    height: 28px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary-dark);
}

.method-list-icon i {
    font-size: 0.75rem;
}

.method-list-content {
    color: var(--text-primary);
    font-weight: 500;
}

.method-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.method-image img {
    width: 100%;
    height: auto;
    display: block;
}

.method-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 28px;
    background: linear-gradient(to top, rgba(10, 15, 26, 0.95), transparent);
}

.method-image-overlay p {
    display: flex;
    align-items: center;
    gap: 10px;
}

.method-image-overlay i {
    font-size: 1.2rem;
}

/* ============================================
   Community Section
   ============================================ */
.community {
    background: var(--bg-dark);
}

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

.community-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
    position: relative;
}

.community-image img {
    width: 100%;
    height: auto;
    display: block;
}

.community-content h2 {
    margin-bottom: 20px;
}

.community-content > p {
    font-size: 1.05rem;
    margin-bottom: 32px;
}

.community-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.community-feature {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 24px;
    transition: var(--transition-normal);
}

.community-feature:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-glow);
}

.community-feature-icon {
    width: 44px;
    height: 44px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.community-feature-icon i {
    font-size: 1.2rem;
    color: var(--accent-color);
}

.community-feature-text h4 {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.community-feature-text p {
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   Curriculum Section
   ============================================ */
.curriculum {
    background: linear-gradient(180deg, rgba(26, 54, 93, 0.15) 0%, var(--bg-dark) 100%);
}

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

.curriculum-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 28px;
    transition: var(--transition-normal);
    position: relative;
}

.curriculum-card::before {
    content: attr(data-number);
    position: absolute;
    top: -14px;
    left: 24px;
    width: 32px;
    height: 32px;
    background: var(--gradient-accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary-dark);
}

.curriculum-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-glow);
}

.curriculum-card h3 {
    margin-top: 14px;
    margin-bottom: 12px;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
}

.curriculum-card p {
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.7;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: var(--gradient-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.08) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.1rem;
    max-width: 550px;
    margin: 0 auto 32px;
}

/* ============================================
   Footer
   ============================================ */
footer {
    background: rgba(10, 15, 26, 0.98);
    padding: 60px 0 100px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 28px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary-dark);
}

.footer-logo-text {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-normal);
}

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

.footer-copyright {
    width: 100%;
    text-align: center;
    padding-top: 28px;
    margin-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ============================================
   Fixed CTA Button
   ============================================ */
.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 14px 20px;
   
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
}

.fixed-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--gradient-accent);
    color: var(--primary-dark);
    padding: 14px 44px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-glow);
    white-space: nowrap;
    font-family: var(--font-primary);
}

.fixed-cta-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 0 40px rgba(0, 212, 170, 0.5);
}

.fixed-cta-btn i {
    font-size: 1.1rem;
}

/* ============================================
   Modal Styles
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 680px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--bg-card);
    border-radius: 16px 16px 0 0;
}

.modal-header h3 {
    color: var(--text-primary);
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.6rem;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--accent-color);
}

.modal-body {
    padding: 28px;
}

.modal-body h4 {
    color: var(--accent-color);
    font-size: 1.05rem;
    font-weight: 600;
    margin: 24px 0 14px;
}

.modal-body h4:first-child {
    margin-top: 0;
}

.modal-body p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.modal-body ul {
    list-style: none;
    padding-left: 0;
}

.modal-body li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.modal-body li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
}

.warning-box {
    margin-top: 28px;
    padding: 16px 20px;
    background: rgba(0, 212, 170, 0.08);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.warning-box i {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-top: 2px;
}

.warning-box p {
    margin: 0;
    color: var(--text-secondary);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-tags {
        justify-content: center;
    }
    
    .hero-image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .method-content,
    .community-wrapper {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .method-image {
        order: -1;
    }
    
    .curriculum-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 16px;
    }
    
    /* Hero Mobile */
    .hero {
        min-height: auto;
        padding: 50px 0 90px;
    }
    
    .hero .container {
        gap: 32px;
    }
    
    .hero-badge {
        padding: 8px 16px;
        margin-bottom: 20px;
        font-size: 0.8rem;
    }
    
    .hero h1 {
        font-size: 1.75rem;
        margin-bottom: 14px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 14px;
    }
    
    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 20px;
        line-height: 1.7;
    }
    
    .hero-tags {
        gap: 8px;
        margin-bottom: 24px;
    }
    
    .hero-tag {
        padding: 8px 14px;
        font-size: 0.8rem;
        gap: 6px;
    }
    
    .hero-tag i {
        font-size: 0.85rem;
    }
    
    .hero-cta {
        padding: 14px 28px;
        font-size: 0.95rem;
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .hero-image {
        max-width: 300px;
        border-radius: 16px;
    }
    
    .hero-image img {
        border-radius: 16px;
    }
    
    /* Section Mobile */
    section {
        padding: 50px 0;
    }
    
    .section-header {
        margin-bottom: 36px;
    }
    
    .section-header h2 {
        font-size: 1.4rem;
    }
    
    .section-header h2::after {
        width: 40px;
        height: 2px;
        bottom: -8px;
    }
    
    .section-header p {
        font-size: 0.9rem;
        margin-top: 16px;
    }
    
    /* Features Mobile */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .feature-card {
        padding: 24px 20px;
        border-radius: 14px;
    }
    
    .feature-icon {
        width: 56px;
        height: 56px;
        margin-bottom: 16px;
        border-radius: 12px;
    }
    
    .feature-icon i {
        font-size: 1.4rem;
    }
    
    .feature-card h3 {
        font-size: 1.05rem;
        margin-bottom: 10px;
    }
    
    .feature-card p {
        font-size: 0.85rem;
        line-height: 1.65;
    }
    
    /* Method Mobile */
    .method-content {
        gap: 28px;
    }
    
    .method-text h2 {
        font-size: 1.4rem;
        margin-bottom: 16px;
        text-align: center;
    }
    
    .method-text > p {
        font-size: 0.9rem;
        margin-bottom: 20px;
        text-align: center;
    }
    
    .method-list li {
        padding: 12px 14px;
        gap: 12px;
        margin-bottom: 10px;
    }
    
    .method-list-icon {
        width: 24px;
        height: 24px;
    }
    
    .method-list-icon i {
        font-size: 0.65rem;
    }
    
    .method-list-content {
        font-size: 0.9rem;
    }
    
    .method-image {
        border-radius: 14px;
        max-width: 320px;
        margin: 0 auto;
    }
    
    .method-image-overlay {
        padding: 16px;
    }
    
    .method-image-overlay p {
        font-size: 0.85rem;
    }
    
    .method-image-overlay i {
        font-size: 1rem;
    }
    
    /* Community Mobile */
    .community-wrapper {
        gap: 28px;
    }
    
    .community-image {
        max-width: 320px;
        margin: 0 auto;
        border-radius: 14px;
    }
    
    .community-content h2 {
        font-size: 1.4rem;
        text-align: center;
        margin-bottom: 14px;
    }
    
    .community-content > p {
        font-size: 0.9rem;
        margin-bottom: 24px;
        text-align: center;
    }
    
    .community-features {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .community-feature {
        padding: 16px 14px;
        border-radius: 12px;
    }
    
    .community-feature-icon {
        width: 36px;
        height: 36px;
        margin-bottom: 10px;
        border-radius: 8px;
    }
    
    .community-feature-icon i {
        font-size: 1rem;
    }
    
    .community-feature-text h4 {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }
    
    .community-feature-text p {
        font-size: 0.75rem;
        line-height: 1.5;
    }
    
    /* Curriculum Mobile */
    .curriculum-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .curriculum-card {
        padding: 22px 18px;
        border-radius: 12px;
    }
    
    .curriculum-card::before {
        width: 28px;
        height: 28px;
        font-size: 0.9rem;
        top: -12px;
        left: 18px;
        border-radius: 6px;
    }
    
    .curriculum-card h3 {
        font-size: 1rem;
        margin-top: 10px;
        margin-bottom: 8px;
    }
    
    .curriculum-card p {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    /* CTA Section Mobile */
    .cta-section {
        padding: 45px 0;
    }
    
    .cta-content h2 {
        font-size: 1.4rem;
        margin-bottom: 14px;
    }
    
    .cta-content p {
        font-size: 0.9rem;
        margin-bottom: 24px;
    }
    
    /* Footer Mobile */
    footer {
        padding: 40px 0 90px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .footer-logo-icon {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .footer-logo-text {
        font-size: 1rem;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
    
    .footer-links a {
        font-size: 0.85rem;
    }
    
    .footer-copyright {
        padding-top: 20px;
        margin-top: 20px;
        font-size: 0.8rem;
    }
    
    /* Fixed CTA Mobile */
    .fixed-cta {
        padding: 12px 16px;
    }
    
    .fixed-cta-btn {
        width: 100%;
        max-width: 300px;
        padding: 13px 24px;
        font-size: 0.95rem;
        border-radius: 8px;
    }
    
    .fixed-cta-btn i {
        font-size: 1rem;
    }
    
    /* Modal Mobile */
    .modal-content {
        border-radius: 12px;
        max-height: 85vh;
    }
    
    .modal-header {
        padding: 16px 18px;
    }
    
    .modal-header h3 {
        font-size: 1.05rem;
    }
    
    .modal-close {
        font-size: 1.4rem;
    }
    
    .modal-body {
        padding: 18px;
    }
    
    .modal-body h4 {
        font-size: 0.95rem;
        margin: 18px 0 10px;
    }
    
    .modal-body p {
        font-size: 0.85rem;
        line-height: 1.7;
    }
    
    .modal-body li {
        font-size: 0.85rem;
        padding: 6px 0;
        padding-left: 18px;
    }
    
    .modal-body li::before {
        width: 5px;
        height: 5px;
    }
    
    .warning-box {
        padding: 14px 16px;
        gap: 10px;
        margin-top: 20px;
    }
    
    .warning-box i {
        font-size: 1rem;
    }
    
    .warning-box p {
        font-size: 0.85rem;
    }
}

@media (max-width: 400px) {
    .container {
        padding: 0 14px;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .hero-tag {
        padding: 6px 12px;
        font-size: 0.75rem;
    }
    
    .community-features {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .community-feature {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 14px 16px;
    }
    
    .community-feature-icon {
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .community-feature-text {
        flex: 1;
    }
    
    .fixed-cta-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}