/* ===============================================
   Codepedia Insight - Main CSS
   방문자 분석 서비스 메인 스타일
   =============================================== */

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

:root {
    /* Brand Colors */
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #3385FF;
    --secondary: #6B9FFF;
    
    /* Neutral Colors */
    --dark: #1A1B23;
    --gray-dark: #4A5568;
    --gray: #718096;
    --gray-light: #E2E8F0;
    --light: #F7FAFC;
    --white: #FFFFFF;
    
    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #3385FF 100%);
    --gradient-dark: linear-gradient(135deg, #1A1B23 0%, #2D3748 100%);
    --gradient-hero: radial-gradient(ellipse at top center, rgba(0, 102, 255, 0.08) 0%, transparent 50%);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
    
    /* Border Radius */
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 96px;
    
    /* Container */
    --container-width: 1200px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===============================================
   Header
   =============================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-light);
    transition: var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--dark);
}

.logo img {
    width: 36px;
    height: 36px;
}

.logo span {
    color: var(--primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-dark);
    transition: var(--transition);
    position: relative;
    padding-bottom: 4px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--primary);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

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

.btn-ghost {
    background: transparent;
    color: var(--gray-dark);
}

.btn-ghost:hover {
    color: var(--primary);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

/* ===============================================
   Hero Section
   =============================================== */
.hero {
    padding: 160px 0 100px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: 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='%230066FF' fill-opacity='0.03'%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") repeat;
    opacity: 0.5;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
}

.hero-text {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 16px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

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

.hero-desc {
    font-size: 1.125rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

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

.hero-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark);
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--gray);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-dashboard {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-light);
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--light);
    border-bottom: 1px solid var(--gray-light);
}

.dashboard-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dashboard-dot.red { background: #EF4444; }
.dashboard-dot.yellow { background: #F59E0B; }
.dashboard-dot.green { background: #10B981; }

.dashboard-content {
    padding: var(--spacing-lg);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--light);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    text-align: center;
}

.stat-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.stat-card-value.up { color: var(--success); }
.stat-card-value.down { color: var(--error); }

.stat-card-label {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 4px;
}

.dashboard-chart {
    background: var(--light);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    height: 120px;
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
}

.chart-bar {
    flex: 1;
    background: var(--gradient-primary);
    border-radius: 4px 4px 0 0;
    transition: var(--transition);
}

.chart-bar:hover {
    opacity: 0.8;
}

/* Floating Elements */
.floating-card {
    position: absolute;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.floating-card.visitors {
    top: 20px;
    right: -20px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.floating-card.growth {
    bottom: 60px;
    left: -40px;
    animation-delay: 1s;
}

.floating-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.floating-icon.blue { background: rgba(0, 102, 255, 0.1); color: var(--primary); }
.floating-icon.green { background: rgba(16, 185, 129, 0.1); color: var(--success); }

.floating-text {
    font-size: 0.75rem;
    color: var(--gray);
}

.floating-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
}

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

/* ===============================================
   Features Section
   =============================================== */
.section {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px 14px;
    background: rgba(0, 102, 255, 0.1);
    border-radius: var(--radius-2xl);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--gray);
    line-height: 1.7;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: rgba(0, 102, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ===============================================
   Why Insight Section (Benefits)
   =============================================== */
.comparison {
    background: var(--light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.benefit-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-light);
}

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

.benefit-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    background: rgba(0, 102, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin: 0 auto var(--spacing-md);
}

.benefit-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.benefit-desc {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ===============================================
   Dashboard Preview Section
   =============================================== */
.preview-dashboard {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-light);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--light);
    border-bottom: 1px solid var(--gray-light);
}

.preview-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-light);
}

.preview-dot:nth-child(1) { background: #EF4444; }
.preview-dot:nth-child(2) { background: #F59E0B; }
.preview-dot:nth-child(3) { background: #10B981; }

.preview-title {
    margin-left: auto;
    font-size: 0.875rem;
    color: var(--gray);
}

.preview-content {
    padding: var(--spacing-xl);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.preview-card {
    background: var(--light);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    text-align: center;
}

.preview-label {
    font-size: 0.8125rem;
    color: var(--gray);
    margin-bottom: var(--spacing-xs);
}

.preview-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark);
}

.preview-value span {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray);
}

.preview-section {
    margin-bottom: var(--spacing-lg);
}

.preview-section:last-child {
    margin-bottom: 0;
}

.preview-section-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.preview-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.preview-bar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.preview-bar-label {
    width: 70px;
    font-size: 0.8125rem;
    color: var(--gray-dark);
}

.preview-bar-track {
    flex: 1;
    height: 8px;
    background: var(--gray-light);
    border-radius: 4px;
    overflow: hidden;
}

.preview-bar-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
}

.preview-bar-value {
    width: 40px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--dark);
    text-align: right;
}

.preview-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.preview-list-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-light);
}

.preview-list-item:last-child {
    border-bottom: none;
}

.preview-rank {
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.preview-page {
    flex: 1;
    font-size: 0.875rem;
    color: var(--gray-dark);
}

.preview-count {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
}

/* ===============================================
   FAQ Section
   =============================================== */
.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-light);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    cursor: pointer;
    font-weight: 600;
    color: var(--dark);
    transition: var(--transition);
}

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

.faq-question i {
    font-size: 0.875rem;
    color: var(--gray);
    transition: var(--transition);
}

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

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--gray);
    line-height: 1.7;
    font-size: 0.9375rem;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ===============================================
   CTA Section
   =============================================== */
.cta {
    background: var(--gradient-dark);
    color: var(--white);
    text-align: center;
}

.cta .section-title {
    color: var(--white);
}

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

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
}

.cta .btn-primary {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.cta .btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ===============================================
   Footer
   =============================================== */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    width: 32px;
    height: 32px;
}

.footer-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.footer-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
}

.footer-mobile {
    display: none;
}

/* ===============================================
   Scroll Top Button
   =============================================== */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 99;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* ===============================================
   Responsive
   =============================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .preview-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step-card::after {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 60px;
    }
    
    .logo {
        font-size: 1.125rem;
    }
    
    .logo img {
        width: 32px;
        height: 32px;
    }
    
    .nav {
        display: none;
    }
    
    .nav-cta {
        gap: var(--spacing-sm);
    }
    
    .nav-cta .btn {
        padding: 10px 16px;
        font-size: 0.8125rem;
    }
    
    .nav-cta .btn-ghost {
        display: none;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 12px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-desc {
        font-size: 0.9375rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .floating-card {
        display: none;
    }
    
    .hero-visual {
        margin-top: var(--spacing-xl);
    }
    
    .dashboard-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-sm);
    }
    
    .stat-card-value {
        font-size: 1.125rem;
    }
    
    .stat-card-label {
        font-size: 0.625rem;
    }
    
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-desc {
        font-size: 0.9375rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-card {
        padding: var(--spacing-lg);
        text-align: center;
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
        margin: 0 auto var(--spacing-md);
    }
    
    .feature-title {
        font-size: 1rem;
    }
    
    .feature-desc {
        font-size: 0.875rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .benefit-card {
        padding: var(--spacing-lg);
    }
    
    .benefit-icon {
        width: 48px;
        height: 48px;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .preview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .preview-card {
        padding: var(--spacing-md);
    }
    
    .preview-value {
        font-size: 1.5rem;
    }
    
    .preview-content {
        padding: var(--spacing-lg);
    }
    
    .faq-question {
        padding: var(--spacing-md);
        font-size: 0.9375rem;
    }
    
    .faq-answer {
        padding: 0 var(--spacing-md) var(--spacing-md);
        font-size: 0.875rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .footer {
        padding: var(--spacing-xl) 0;
    }
    
    .footer-content {
        display: none;
    }
    
    .footer-mobile {
        display: block;
        text-align: center;
    }
    
    .footer-mobile-logo {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-sm);
        font-size: 1.125rem;
        font-weight: 700;
        color: var(--white);
        margin-bottom: var(--spacing-md);
    }
    
    .footer-mobile-logo img {
        width: 28px;
        height: 28px;
    }
    
    .footer-mobile-links {
        display: flex;
        justify-content: center;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
        font-size: 0.8125rem;
    }
    
    .footer-mobile-links a {
        color: rgba(255, 255, 255, 0.7);
    }
    
    .footer-mobile-links a:hover {
        color: var(--white);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
        padding-top: var(--spacing-md);
        font-size: 0.75rem;
    }
    
    .footer-legal {
        font-size: 0.75rem;
    }
    
    .scroll-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .header-inner {
        height: 56px;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo img {
        width: 28px;
        height: 28px;
    }
    
    .nav-cta .btn {
        padding: 8px 14px;
        font-size: 0.75rem;
    }
    
    .hero {
        padding: 90px 0 48px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-desc {
        font-size: 0.875rem;
    }
    
    .hero-cta .btn {
        padding: 14px 20px;
        font-size: 0.9375rem;
    }
    
    .dashboard-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 4px;
    }
    
    .stat-card-value {
        font-size: 1rem;
    }
    
    .dashboard-chart {
        height: 80px;
        padding: var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-badge {
        font-size: 0.75rem;
    }
    
    .section-title {
        font-size: 1.375rem;
    }
    
    .feature-card,
    .benefit-card {
        padding: var(--spacing-md);
    }
    
    .preview-dashboard {
        border-radius: var(--radius-lg);
    }
    
    .preview-content {
        padding: var(--spacing-md);
    }
    
    .preview-value {
        font-size: 1.25rem;
    }
    
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
}

/* ===============================================
   Animations
   =============================================== */
.fade-in-element {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-element.visible {
    opacity: 1;
    transform: translateY(0);
}