:root {
    --primary-color: #00ADD8;
    --secondary-color: #007d9c;
    --text-color: #333;
    --bg-color: #fff;
    --border-color: #e0e0e0;
    --card-bg: #f9f9f9;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

header .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

header ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

header ul a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

header ul a:hover {
    opacity: 0.8;
}

main {
    min-height: calc(100vh - 200px);
    padding: 3rem 0;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.lead {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 3rem;
}

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

.gopher-illustration {
    display: inline-block;
    margin-bottom: 2rem;
}

.gopher-svg {
    width: 150px;
    height: 150px;
    filter: drop-shadow(0 4px 6px rgba(0, 173, 216, 0.15));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.packages h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.package-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.package-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.package-card h3 {
    margin-bottom: 0.75rem;
}

.package-card h3 a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.25rem;
}

.package-card h3 a:hover {
    text-decoration: underline;
}

.package-card p {
    color: #666;
    margin-bottom: 1rem;
}

.package-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.package-meta span {
    padding: 0.25rem 0.5rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.version {
    color: var(--secondary-color);
}

.license {
    color: #666;
}

.package-links {
    display: flex;
    gap: 1rem;
}

.package-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    transition: background-color 0.3s, color 0.3s;
}

.package-links a:hover {
    background-color: var(--primary-color);
    color: white;
}

footer {
    background-color: #f5f5f5;
    text-align: center;
    padding: 2rem 0;
    color: #666;
    border-top: 1px solid var(--border-color);
}

.package-detail {
    max-width: 800px;
    margin: 0 auto;
}

.package-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.package-header h1 {
    margin-bottom: 0.5rem;
}

.import-command {
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 4px;
    font-family: monospace;
    margin: 1rem 0;
}

.package-info {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    margin: 2rem 0;
}

.package-info dt {
    font-weight: bold;
    color: #666;
}

.package-info dd {
    color: var(--text-color);
}