:root {
    --primary-green: #2e7d32;
    --light-green: #e8f5e9;
    --dark-green: #1b5e20;
    --bg-color: #ffffff;
    --text-color: #333333;
    --header-bg: rgba(46, 125, 50, 0.9);
    --header-text: #ffffff;
    --section-bg-light: #f1f8e9;
    --card-bg: #ffffff;
    --accent-color: #2e7d32;
    --accent-text: #ffffff;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #e8f5e9;
    --header-bg: rgba(27, 94, 32, 0.95);
    --header-text: #ffffff;
    --section-bg-light: #1b2e1b;
    --card-bg: #1e1e1e;
    --accent-color: #81c784;
    --accent-text: #1b5e20;
}

body {
    font-family: 'Pretendard', 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

header {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(5px);
    transition: background-color 0.3s;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
}

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

nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav a {
    color: var(--header-text);
    text-decoration: none;
    font-weight: 500;
}

/* Hero Section */
.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,40,0,0.3), rgba(0,0,0,0.4)), 
                url('https://images.unsplash.com/photo-1511497584788-876760111969?auto=format&fit=crop&q=80&w=2000');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 60px;
}

.hero-content h2 {
    font-size: 4rem;
    margin-bottom: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.section {
    padding: 80px 0;
}

.section h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-green);
}

[data-theme="dark"] .section h2 {
    color: var(--accent-color);
}

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

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

.service-item {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, background-color 0.3s;
    border: 1px solid rgba(46, 125, 50, 0.1);
}

.service-item:hover {
    transform: translateY(-5px);
}

#theme-toggle {
    background: transparent;
    border: 1px solid var(--header-text);
    color: var(--header-text);
    padding: 6px 12px;
    cursor: pointer;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

#theme-toggle:hover {
    background: var(--header-text);
    color: var(--primary-green);
}

#lotto-btn {
    display: block;
    margin: 20px auto;
    padding: 12px 30px;
    background: var(--accent-color);
    color: var(--accent-text);
    border: none;
    cursor: pointer;
    border-radius: 30px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: opacity 0.3s;
}

#lotto-btn:hover {
    opacity: 0.9;
}

#lotto-numbers {
    text-align: center;
    font-size: 1.8rem;
    margin-top: 30px;
    color: var(--primary-green);
}

footer {
    text-align: center;
    padding: 40px;
    background: var(--dark-green);
    color: #ffffff;
}

.btn {
    display: inline-block;
    background: var(--accent-color);
    color: var(--accent-text);
    padding: 12px 30px;
    text-decoration: none;
    border: none;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s;
}

.btn:hover {
    opacity: 0.9;
}