/* 크리에이터 LMS - Enhanced 메인 페이지 스타일 */

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

:root {
    --primary: #667eea;
    --primary-dark: #5568d3;
    --secondary: #764ba2;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border: #e5e7eb;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 헤더 */
.header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 24px;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s;
}

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

.nav-link i.fa-chevron-down {
    font-size: 10px;
    transition: transform 0.2s;
}

.nav-item:hover .nav-link i.fa-chevron-down {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px;
    min-width: 220px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 14px;
}

.dropdown-item i {
    width: 20px;
    color: var(--primary);
    font-size: 16px;
}

.dropdown-item:hover {
    background: var(--bg-light);
    color: var(--primary);
}

.dropdown-item-title {
    font-weight: 600;
}

.dropdown-item-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.divider {
    width: 1px;
    height: 24px;
    background: var(--border);
}

.lang-selector {
    position: relative;
}

.lang-button {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.lang-button:hover {
    background: var(--bg-light);
    border-color: var(--primary);
    color: var(--primary);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px;
    min-width: 200px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    max-height: 400px;
    overflow-y: auto;
}

.lang-selector:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 14px;
}

.lang-option:hover {
    background: var(--bg-light);
}

.lang-option.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: var(--primary);
    font-weight: 600;
}

.lang-flag {
    font-size: 20px;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-light);
    border-color: var(--primary);
    color: var(--primary);
}

.user-menu {
    position: relative;
}

.user-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.user-button:hover {
    background: var(--bg-light);
    border-color: var(--primary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 700;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 8px;
    min-width: 200px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-size: 14px;
    cursor: pointer;
}

.user-dropdown-item:hover {
    background: var(--bg-light);
}

.user-dropdown-item i {
    width: 20px;
    color: var(--primary);
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

@media (max-width: 1024px) {
    .nav {
        display: none;
    }

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

@media (max-width: 768px) {
    .header-container {
        height: 64px;
        padding: 0 16px;
    }

    .logo {
        font-size: 20px;
    }

    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
}



/* 버튼 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-outline-white {
    border: 2px solid white;
    color: white;
    background: transparent;
}

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

/* 히어로 섹션 */
.hero {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 100px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}

.hero h1 {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-description {
    font-size: 20px;
    line-height: 1.6;
    opacity: 0.95;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-buttons .btn {
    padding: 16px 32px;
    font-size: 16px;
}

/* 섹션 공통 */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-title {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 신뢰 지표 */
.trust-section {
    background: var(--bg-white);
    padding: 60px 0;
    border-bottom: 1px solid var(--border);
}

.trust-title {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 40px;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.trust-stat-value {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.trust-stat-label {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 문제점/솔루션 */
.problem-solution-section {
    background: var(--bg-light);
}

.problem-solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 60px;
    margin-top: 60px;
}

.problem-box, .solution-box {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.problem-box {
    border-left: 4px solid var(--danger);
}

.solution-box {
    border-left: 4px solid var(--success);
}

.box-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    margin-bottom: 24px;
}

.problem-box .box-icon {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.solution-box .box-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.box-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.box-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.box-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    line-height: 1.6;
}

/* 상세 기능 */
.feature-detail-section {
    background: var(--bg-light);
}

.feature-detail-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.feature-detail-item:last-child {
    margin-bottom: 0;
}

.feature-detail-item:nth-child(even) {
    direction: rtl;
}

.feature-detail-item:nth-child(even) > * {
    direction: ltr;
}

.feature-detail-content h3 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 16px;
}

.feature-detail-content p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-detail-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.feature-detail-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
}

.feature-detail-list li i {
    color: var(--success);
    margin-top: 4px;
}

.feature-detail-image {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    position: relative;
    overflow: hidden;
}

.feature-detail-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
}

.feature-detail-image i {
    font-size: 120px;
    color: var(--primary);
    opacity: 0.3;
    position: relative;
    z-index: 1;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

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

/* 사용 사례 */
.use-cases-section {
    background: var(--bg-white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.use-case-card {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s;
}

.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.use-case-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
}

.use-case-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.use-case-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.testimonial-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    position: relative;
}

.testimonial-quote {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 48px;
    color: var(--primary);
    opacity: 0.1;
}

.testimonial-stars {
    color: #fbbf24;
    margin-bottom: 16px;
    font-size: 18px;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: white;
}

.testimonial-name {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.testimonial-role {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 비교 테이블 */
.comparison-section {
    background: var(--bg-white);
}

.comparison-table {
    max-width: 1000px;
    margin: 60px auto 0;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.comparison-table th {
    padding: 20px;
    text-align: left;
    font-weight: 700;
    font-size: 16px;
}

.comparison-table td {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.comparison-table tbody tr:hover {
    background: var(--bg-light);
}

.comparison-check {
    color: var(--success);
    font-size: 20px;
}

.comparison-cross {
    color: var(--text-secondary);
    font-size: 20px;
    opacity: 0.3;
}

/* 가격 */
.pricing-section {
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    position: relative;
    transition: all 0.3s;
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.2);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.pricing-price {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 8px;
}

.pricing-price span {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-secondary);
}

.pricing-period {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

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

.pricing-features li i {
    color: var(--success);
}

.pricing-button {
    width: 100%;
    padding: 14px;
}

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

.faq-container {
    max-width: 900px;
    margin: 60px auto 0;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question i {
    transition: transform 0.3s;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 24px 24px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* CTA */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    top: -250px;
    right: -250px;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 24px;
}

.cta-description {
    font-size: 20px;
    opacity: 0.95;
    margin-bottom: 40px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 푸터 */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 24px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 24px;
    font-weight: 900;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s;
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-section-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
}

.footer-link:hover {
    color: white;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

/* 애니메이션 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 반응형 */
@media (max-width: 1024px) {
    .problem-solution-grid {
        grid-template-columns: 1fr;
    }

    .feature-detail-item {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .feature-detail-item:nth-child(even) {
        direction: ltr;
    }

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

@media (max-width: 768px) {
    .hero {
        padding: 80px 0 60px;
    }

    .hero h1 {
        font-size: 32px;
    }

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

    .section {
        padding: 60px 0;
    }

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

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .comparison-table {
        overflow-x: auto;
    }

    .pricing-card.featured {
        transform: scale(1);
    }
}