/* Global Styles */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --text-color: #1e293b;
    --text-light: #64748b;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --border-color: #e2e8f0;
    --container-width: 1100px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

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

.bg-light {
    background-color: var(--bg-light);
}

/* Header & Navigation */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-light);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-content h1 span {
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 30px;
}

.btn-primary {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 14px 30px;
    border-radius: 5px;
    font-weight: 500;
}

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

/* Breadcrumbs */
.breadcrumbs {
    padding: 20px 0;
    font-size: 0.85rem;
}

.breadcrumbs ol {
    display: flex;
    color: var(--text-light);
}

.breadcrumbs li::after {
    content: "/";
    margin: 0 10px;
}

.breadcrumbs li:last-child::after {
    content: "";
}

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

/* Articles Section */
.articles {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 40px;
    text-align: center;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.article-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.article-img {
    height: 200px;
    width: 100%;
}

.article-body {
    padding: 25px;
}

.category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary-color);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 10px;
}

.article-body h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.article-body p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.read-more {
    font-weight: 600;
    color: var(--primary-color);
}

/* About Section */
.about-section {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.check-list {
    margin-top: 25px;
}

.check-list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Footer */
footer {
    background-color: #1e293b;
    color: #f8fafc;
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-brand p {
    color: #94a3b8;
}

.footer-links h4, .footer-legal h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links a, .footer-legal a {
    color: #94a3b8;
    display: block;
    margin-bottom: 10px;
}

.footer-links a:hover, .footer-legal a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid #334155;
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}