/* Персонал Плюс — лендинг-заглушка personal43.ru. Mobile-first, без внешних ресурсов. */

:root {
    --accent: #1e3a8a;
    --accent-dark: #16295e;
    --bg: #f5f7fb;
    --card-bg: #ffffff;
    --text: #1f2937;
    --text-muted: #4b5563;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.hero {
    background: var(--accent);
    color: #ffffff;
    padding: 3rem 1.25rem 2.5rem;
    text-align: center;
}

.hero h1 {
    margin: 0 0 0.5rem;
    font-size: 2rem;
    letter-spacing: 0.02em;
}

.hero__subtitle {
    margin: 0 auto;
    max-width: 34rem;
    color: #e2e8f0;
    font-size: 1.05rem;
}

main {
    max-width: 36rem;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 2rem;
    display: grid;
    gap: 1.25rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 1.5rem 1.25rem;
}

.card h2 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
    color: var(--accent-dark);
}

.card p {
    margin: 0 0 0.75rem;
    color: var(--text-muted);
}

.card--cta {
    border-color: var(--accent);
    border-width: 2px;
}

.cta-button {
    display: inline-block;
    background: var(--accent);
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.9rem 1.6rem;
    border-radius: 10px;
    text-align: center;
}

.cta-button:hover,
.cta-button:focus {
    background: var(--accent-dark);
}

.footer {
    text-align: center;
    padding: 1.5rem 1.25rem 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer p {
    margin: 0.25rem 0;
}

.footer__note {
    font-size: 0.8rem;
}

@media (min-width: 48rem) {
    .hero {
        padding: 4rem 1.5rem 3.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    main {
        padding: 2rem 1.5rem 2.5rem;
    }
}