/* Variables */
:root {
    /* Colors */
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --background-light: #f8f9fa;
    --text-dark: #333;
    --text-light: #666;
    --text-lighter: #bdc3c7;
    --white: #fff;
    
    /* Gradients */
    --hero-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    
    /* Breakpoints */
    --breakpoint-tablet: 768px;
    --breakpoint-mobile: 480px;
    
    /* Container */
    --container-width: 1200px;
    
    /* Border Radius */
    --radius-sm: 5px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 20px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    padding-top: 100px; /* 네비게이션 바 높이만큼 여백 추가 */
}

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

/* Header Styles */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #3498db;
}

.language-selector select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: white;
    font-size: 14px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: white;
    color: #3498db;
}

.btn-outline {
    background: transparent;
    color: #3498db;
    border: 2px solid #3498db;
}

.btn-outline:hover {
    background: #3498db;
    color: white;
}

/* Products Section */
.products {
    padding: 40px 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    margin-top: 1rem;
    color: #2c3e50;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-image {
    text-align: center;
    margin-bottom: 1.5rem;
}

.product-image img {
    width: 80px;
    height: 80px;
    border-radius: 10px;
}

.product-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.product-description {
    margin-bottom: 1.5rem;
    color: #666;
    line-height: 1.6;
}

h2 {
    font-size: 2rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

h3 {
    margin-top: 1rem;
    margin-bottom: 0.2rem;
}

.product-features ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: #555;
}

.product-features li:before {
    content: "✓";
    color: #27ae60;
    font-weight: bold;
    margin-right: 0.5rem;
}

.product-platforms {
    margin-bottom: 1.5rem;
}

.platform {
    background: #e8f4fd;
    color: #2980b9;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Support Section */
.support {
    padding: 40px 0;
    background: white;
}

.support-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.support-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.support-info p {
    margin-bottom: 1.5rem;
    color: #666;
}

.contact-info {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.contact-info p {
    margin: 0;
    font-size: 1.1rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ecf0f1;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .support-content {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .products,
    .support {
        padding: 30px 0;
    }
    
    .product-card {
        padding: 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
.loading {
    opacity: 0;
    animation: fadeIn 0.5s ease-in forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.product-hero-icon-title {
    display: flex;
    align-items: center;     /* Y축 중앙 정렬 */
    gap: 2rem;            /* 이미지와 텍스트 사이 간격 */
    margin-bottom: 3rem;
}

.product-hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}


/* Import product page styles */
/* Product Page Specific Styles */
.product-hero-content {
    grid-template-columns: auto 1fr;
}

.product-icon {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.product-badges {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.badge {
    background: rgba(255,255,255,0.2);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.badge.free {
    background: rgba(46, 204, 113, 0.3);
    border: 1px solid rgba(46, 204, 113, 0.5);
}

.product-details-grid {
    grid-template-columns: 1fr 1fr;
}

.screenshot {
    width: 100%;
    max-width: 900px;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    /*margin-bottom: var(--space-sm);*/
}
.screenshot-item p {
    margin-bottom: var(--space-lg)
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--secondary-color);
    transition: all 0.3s ease;
    min-width: 200px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.download-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.macos-btn {
    border-color: var(--danger-color);
}

.macos-btn:hover {
    background: var(--danger-color);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.3);
}

.free-btn {
    border-color: var(--success-color);
}

.free-btn:hover {
    background: var(--success-color);
    box-shadow: 0 8px 25px rgba(39, 174, 96, 0.3);
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}