:root {
    --primary-color: #2d3436;
    --accent-color: #d63031;
    --bg-color: #f9f9f9;
    --text-color: #333;
    --card-bg: #ffffff;
    --nav-bg: #ffffff;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.8;
    color: var(--text-color);
    background-color: var(--bg-color);
}

header {
    background: var(--nav-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
}

.lang-selector {
    margin-left: 2rem;
    padding: 0.3rem 0.5rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    background: white;
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}

.lang-selector:hover {
    border-color: var(--accent-color);
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    border-bottom: 3px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 0.5rem;
}

.hero {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    margin-bottom: 3rem;
    text-align: center;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

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

.blog-content {
    padding: 1.5rem;
}

.blog-content h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.blog-content p {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 1.5rem;
}

.read-more {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
}

footer {
    background: var(--primary-color);
    color: #fff;
    padding: 3rem 2rem;
    margin-top: 5rem;
    text-align: center;
}

.footer-links {
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    margin: 0 1rem;
    font-size: 0.9rem;
}

/* Timer Styles */
.timer-container {
    max-width: 400px;
    margin: 0 auto;
}

#timer-display {
    font-size: 5rem;
    font-weight: bold;
    margin: 1rem 0;
}

.timer-controls button {
    padding: 0.8rem 1.5rem;
    margin: 0 0.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

.btn-primary { background: var(--accent-color); color: white; }
.btn-secondary { background: #eee; color: #333; }

@media (max-width: 768px) {
    nav { flex-direction: column; }
    nav ul { margin-top: 1rem; }
    nav ul li { margin: 0 1rem; }
}