:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --accent: #2f5d8a;
    --accent-hover: #1d456b;
    --text: #1f2933;
    --muted: #6b7c93;
    --border: #d9e2ec;
    --shadow: 0 10px 30px rgba(31, 41, 51, 0.08);
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    color: var(--text);
    background: linear-gradient(135deg, #eef3f8 0%, #f9fbfd 100%);
}

.wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 48px 20px;
}

.hero {
    text-align: center;
    margin-bottom: 32px;
}

.hero h1 {
    margin: 0 0 12px;
    font-size: 2.2rem;
    color: var(--accent);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 34px rgba(31, 41, 51, 0.12);
}

.card h2 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.35rem;
    color: var(--accent);
}

.card a {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.2s ease;
}

.card a:hover {
    background: var(--accent-hover);
}