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

:root {
    --fg: #e8e8e6;
    --fg-muted: #a0a0a0;
    --fg-faint: #787878;
    --bg: #1a1a1a;
    --rule: #3a3a3a;
    --mono: "Courier New", Courier, monospace;
    --sans: Georgia, "Times New Roman", serif;
}

html {
    font-size: 16px;
    background: var(--bg);
    color: var(--fg);
}

body {
    font-family: var(--sans);
    max-width: 60rem;
    margin: 0 auto;
    padding: 4rem 1.5rem 6rem;
    line-height: 1.7;
}

.header {
    margin-bottom: 4rem;
}

.header__domain {
    font-family: var(--mono);
    font-size: 1.05rem;
    color: var(--fg-muted);
    letter-spacing: 0.02em;
    margin-bottom: 2rem;
}

.header__title {
    font-size: 2.2rem;
    font-weight: normal;
    letter-spacing: -0.01em;
    line-height: 1.2;
    color: var(--fg);
}

.header__subtitle {
    margin-top: 0.6rem;
    font-size: 0.95rem;
    color: var(--fg-muted);
}

.section {
    margin-bottom: 3rem;
}

.section__title {
    font-size: 0.72rem;
    font-weight: normal;
    font-family: var(--mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--fg-faint);
    margin-bottom: 1.125rem;
}

.section__text {
    font-size: 0.97rem;
    color: var(--fg);
}

.section__text--small {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--fg-muted);
}

.section__text+.section__text {
    margin-top: 0.75rem;
}

.link {
    color: var(--fg);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.link:hover {
    color: var(--fg-muted);
}

.dns {
    font-family: var(--mono);
    font-size: 0.88rem;
    line-height: 2;
    margin: 1rem 0 0.5rem;
}

.dns__row {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.5rem 1.5rem;
    border-top: 1px solid var(--rule);
    padding: 0.375rem 0;
}

.dns__row:last-child {
    border-bottom: 1px solid var(--rule);
}

.dns__label {
    color: var(--fg-muted);
    min-width: 7rem;
}

.dns__type {
    color: var(--fg-faint);
    min-width: 2.5rem;
}

.dns__value {
    color: var(--fg);
    font-family: var(--mono);
}

.entity-list {
    list-style: none;
}

.entity-list__item {
    border-top: 1px solid var(--rule);
    padding: 0.875rem 0;
}

.entity-list__item:last-child {
    border-bottom: 1px solid var(--rule);
}

.entity-list__name {
    font-weight: bold;
    color: var(--fg);
    display: block;
    margin-bottom: 0.125rem;
}

.entity-list__desc {
    color: var(--fg-muted);
    font-size: 0.9rem;
}

.footer {
    margin-top: 4rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rule);
    font-size: 0.82rem;
    color: var(--fg-faint);
    font-family: var(--mono);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

@media (max-width: 56rem) {
    body {
        max-width: 90vw;
        padding: 3rem 1.5rem 4rem;
    }
}

@media (max-width: 40rem) {
    body {
        max-width: 100%;
        padding: 2rem 1.25rem 3rem;
    }

    .header__title {
        font-size: 1.8rem;
    }

    .dns__row {
        flex-direction: column;
        gap: 0.25rem;
        padding: 0.75rem 0;
    }

    .dns__label,
    .dns__type,
    .dns__value {
        min-width: auto;
    }
}

@media (max-width: 30rem) {
    .header__title {
        font-size: 1.5rem;
    }

    .footer {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}