:root {
    --primary-color: #2563eb;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

header {
    text-align: center;
    margin-bottom: 4rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

.last-updated {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.highlight-section .card {
    background: var(--card-background);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    text-align: center;
}

.icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color: #eff6ff;
    color: var(--primary-color);
    border-radius: 12px;
    margin-bottom: 1rem;
}

.highlight-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

ul {
    list-style: none;
    margin: 1.5rem 0;
    text-align: left;
    display: inline-block;
}

ul li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5em;
}

ul li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

strong {
    color: var(--text-primary);
    font-weight: 600;
}

footer {
    text-align: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

footer p {
    font-size: 0.875rem;
}

@media (max-width: 640px) {
    .container {
        padding: 2rem 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    .highlight-section .card {
        padding: 1.5rem;
    }
}