:root {
    color-scheme: light;
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --bg: #f5f7fb;
    --card: #ffffff;
    --primary: #2f7cff;
    --primary-dark: #1d5dd1;
    --text: #1f2933;
    --muted: #5f6b7c;
    --border: #e3e8f0;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: radial-gradient(circle at top, #f4f8ff 0%, var(--bg) 70%);
    color: var(--text);
    line-height: 1.6;
}

.hero {
    padding: 4rem 1.5rem 2rem;
    text-align: center;
    max-width: 960px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background: rgba(47, 124, 255, 0.12);
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero h1 {
    margin: 0 0 0.5rem;
    font-size: clamp(2rem, 5vw, 2.8rem);
}

.hero p {
    margin: 0 auto 1.5rem;
    max-width: 680px;
    color: var(--muted);
}

.hero__actions {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    border-radius: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    color: white;
    background: var(--primary);
    transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
    box-shadow: 0 10px 25px rgba(47, 124, 255, 0.25);
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn--ghost {
    background: transparent;
    color: var(--primary);
    box-shadow: inset 0 0 0 2px rgba(47, 124, 255, 0.2);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    padding: 0 1.5rem 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.card {
    background: var(--card);
    border-radius: 1.25rem;
    padding: 1.75rem;
    border: 1px solid rgba(35, 52, 70, 0.08);
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.08);
}

.card h2 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.card a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
}

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

.footer {
    text-align: center;
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.95rem;
}

@media (max-width: 640px) {
    .hero__actions {
        flex-direction: column;
    }
}