:root {
    --primary: #3B82F6;
    --secondary: #10B981;
    --accent: #F59E0B;
    --dark: #1F2937;
    --light: #F9FAFB;
    --border: #E5E7EB;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: white;
}

header {
    background: #3B82F6;
    color: white;
    padding: 1rem;
    text-align: center;
}

.logo h1 {
    margin: 0;
    padding: 0;
    color: inherit;
    font-size: 1.8rem;
    font-weight: bold;
}

.nav-links {
    margin-top: 10px;
    font-size: 0.9rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.intro-section {
    text-align: center;
    margin-bottom: 3rem;
}

.intro-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.intro-section p {
    max-width: 800px;
    margin: 0 auto;
    color: #6B7280;
    font-size: 1.1rem;
}

.zodiac-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .zodiac-grid {
        grid-template-columns: 1fr;
    }
}

.zodiac-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--primary);
    transition: transform 0.3s, box-shadow 0.3s;
}

.zodiac-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.zodiac-emoji {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.zodiac-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.3rem;
}

.zodiac-dates {
    font-size: 0.9rem;
    color: #6B7280;
    margin-bottom: 1rem;
}

.zodiac-desc {
    color: #4B5563;
    font-size: 0.95rem;
    line-height: 1.6;
}

.learn-more {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.learn-more:hover {
    background: #2563EB;
}

.compatibility-section {
    background: var(--light);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
}

.compatibility-section h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.compatibility-section p {
    color: #6B7280;
    margin-bottom: 1rem;
}

.chinese-zodiac-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.zodiac-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 1rem;
    background: white;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
}

.zodiac-badge:hover {
    background: var(--light);
}

footer {
    background: var(--dark);
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: 1rem;
}

footer a {
    color: #9CA3AF;
    text-decoration: none;
    margin: 0 10px;
}

footer a:hover {
    color: white;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    nav ul {
        gap: 0.5rem;
    }
}