:root {
    color: #d9e5ee;
    background: #101923;
    font:
        16px/1.6 system-ui,
        'Segoe UI',
        sans-serif;
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    background: #101923;
}

.site-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    min-height: 54px;
    padding: 14px clamp(20px, 4vw, 48px);
    border-bottom: 1px solid #34495c;
    background: #182534;
}

.site-header a {
    color: #edf7fc;
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
}

.site-header a:focus-visible {
    outline: 2px solid #a78bfa;
    outline-offset: 4px;
}

.site-header span {
    color: #9fb2bf;
    font-size: 0.875rem;
}

main {
    width: min(760px, calc(100% - 40px));
    margin: 0 auto;
    padding: clamp(52px, 9vw, 96px) 0;
}

article {
    padding: clamp(28px, 5vw, 48px);
    border: 1px solid #405466;
    border-radius: 8px;
    background: #14202d;
    box-shadow: 0 18px 48px #07101866;
}

.eyebrow {
    margin: 0 0 8px;
    color: #bba6ff;
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

h1,
h2 {
    color: #f2f7fa;
    line-height: 1.25;
}

h1 {
    margin: 0 0 22px;
    font-size: clamp(2rem, 6vw, 2.75rem);
}

h2 {
    margin: 0 0 8px;
    font-size: 1.125rem;
}

p {
    margin: 0;
    color: #becdd6;
}

section {
    margin-top: 30px;
    padding-top: 26px;
    border-top: 1px solid #314353;
}

@media (max-width: 540px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 1px;
    }

    main {
        width: min(100% - 24px, 760px);
        padding: 24px 0;
    }

    article {
        padding: 24px 20px;
    }
}