.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    border-bottom: 1px solid var(--blue);
    background: rgba(250, 249, 245, .97);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 0 rgba(20, 32, 51, .08);
    line-height: 1.55;
}

.site-header .container {
    width: min(1200px, calc(100% - 48px));
    margin: 0 auto;
}

.site-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 28px;
    min-height: 76px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -.02em;
}

.brand img {
    width: auto;
    height: 30px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
    color: var(--soft);
    font-size: 13px;
    font-weight: 500;
}

.nav-links a,
.signin {
    border-bottom: 1px solid transparent;
}

.nav-links a:hover,
.signin:hover {
    border-color: currentColor;
    color: var(--ink);
}

.nav-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
}

.signin {
    color: var(--soft);
    font-size: 13px;
    font-weight: 500;
}

.site-header .btn {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 2px;
    padding: 0 18px;
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
}

.site-header .btn-primary {
    background: var(--blue);
}

.site-header .btn-primary:hover {
    background: var(--blue-dark);
}

.mobile-menu-button {
    display: none;
    border: 0;
    background: transparent;
    color: var(--ink);
    font-family: "IBM Plex Mono", monospace;
    font-size: 12px;
    text-transform: uppercase;
    cursor: pointer;
}

#mobile-menu {
    display: grid;
    padding-bottom: 18px;
    border-top: 1px solid var(--line);
    font-size: 14px;
}

#mobile-menu a {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
}

#mobile-menu .mobile-primary {
    color: var(--blue);
    font-weight: 700;
}

#mobile-menu[hidden] {
    display: none !important;
}

.article-cta .recovery .btn {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line-dark);
    background: var(--white);
    padding: 0 14px;
    color: var(--ink);
    font: 600 12px "IBM Plex Sans", system-ui, sans-serif;
    cursor: pointer;
}

.article-cta .recovery .btn:hover {
    border-color: var(--ink);
}

.library-hero h1 {
    max-width: none;
    font-size: clamp(42px, 4.2vw, 58px);
    line-height: 1;
}

.library-hero > .content-container {
    text-align: center;
}

.library-hero > .content-container > p:last-child {
    margin-inline: auto;
}

.library-row {
    padding-inline: 16px;
    transition: background-color .16s ease, color .16s ease;
}

.library-row h2,
.library-link {
    transition: color .16s ease, transform .16s ease;
}

.library-link::after {
    content: "  →";
}

.library-link {
    display: inline-block;
}

.library-row:hover,
.library-row:focus-visible {
    background: linear-gradient(90deg, rgba(24, 87, 182, .07), rgba(24, 87, 182, .025) 72%, transparent);
    color: var(--ink);
}

.library-row:hover h2,
.library-row:focus-visible h2 {
    color: var(--blue-dark);
}

.library-row:hover .library-link,
.library-row:focus-visible .library-link {
    transform: translateX(4px);
}

.library-tools {
    border-bottom: 1px solid var(--line);
    background: var(--light);
    padding: 28px 0;
}

.library-tools .content-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
}

.library-tools .content-eyebrow {
    flex-basis: 100%;
}

.library-tools a {
    border-bottom: 1px solid currentColor;
    color: var(--blue-dark);
    font-size: 13px;
    font-weight: 600;
}

.article-byline {
    margin-top: 18px;
    color: var(--muted);
    font: 11px/1.5 "IBM Plex Mono", monospace;
    text-align: left;
}

.article-hero .article-byline {
    margin-inline: 0;
}

.article-grid > .prose {
    min-width: 0;
}

.prose table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
}

.prose table code {
    overflow-wrap: anywhere;
}

.resource-cta-strip {
    border-block: 1px solid #48566a;
    background: var(--ink);
    padding: 30px 0 34px;
}

.resource-cta-strip .persona-address-form {
    position: relative;
    display: grid;
    grid-template-columns: minmax(210px, .42fr) minmax(420px, 1fr);
    align-items: start;
    column-gap: 34px;
    border: 1px solid var(--blue);
    background: var(--white);
    padding: 22px 24px;
    box-shadow: 7px 7px 0 rgba(0, 0, 0, .2);
}

.resource-cta-strip .persona-form-intro {
    grid-row: 1 / 5;
    align-self: center;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
    margin-bottom: 0;
}

.resource-cta-strip .form-label,
.resource-cta-strip .form-row,
.resource-cta-strip .security-row,
.resource-cta-strip noscript {
    grid-column: 2;
}

@media (max-width: 760px) {
    .site-header .container {
        width: min(100% - 32px, 1200px);
    }

    .nav-actions .btn,
    .signin {
        display: none;
    }

    .site-nav {
        min-height: 66px;
    }

    .library-hero h1 {
        font-size: 42px;
    }

    .library-row {
        padding-inline: 14px;
    }

    .resource-cta-strip {
        padding: 24px 0 29px;
    }

    .resource-cta-strip .persona-address-form {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 20px;
    }

    .resource-cta-strip .persona-form-intro,
    .resource-cta-strip .form-label,
    .resource-cta-strip .form-row,
    .resource-cta-strip .security-row,
    .resource-cta-strip noscript {
        grid-column: 1;
        grid-row: auto;
    }

    .resource-cta-strip .persona-form-intro {
        margin-bottom: 14px;
    }
}

@media (max-width: 1040px) {
    .site-nav {
        grid-template-columns: 1fr auto;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-button {
        display: block;
    }
}