/* Faye LNT's standalone, grayscale presentation. No application styles enter here. */
:root {
    color-scheme: dark;
    --page: #191919;
    --text: #e9e9e9;
    --secondary: #bbbbbb;
    --rule: #444444;
    --action: #f0f0f0;
    --content-width: 60rem;
    font-family: SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    -webkit-text-size-adjust: 100%;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--page);
    color: var(--text);
    font-size: 1rem;
    line-height: 1.6;
}

a {
    color: inherit;
    text-underline-offset: 0.3em;
}

a:focus-visible {
    outline: 2px solid var(--text);
    outline-offset: 6px;
    border-radius: 2px;
}

::selection {
    background: var(--text);
    color: var(--page);
}

.page-shell {
    width: min(calc(100% - 4rem), var(--content-width));
    min-height: 100vh;
    min-height: 100svh;
    margin-inline: auto;
    padding-block: clamp(1.25rem, 5.3svh, 3.5rem) 1.5rem;
    display: flex;
    flex-direction: column;
}

.site-header,
.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.site-header a,
.site-footer a {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    min-height: 2.75rem;
    text-decoration: none;
}

.wordmark {
    font-size: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.035em;
}

.quiet-link {
    color: var(--secondary);
    font-size: 0.875rem;
}

.landing-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-block: clamp(3rem, 7svh, 5.5rem) 2.5rem;
}

.eyebrow {
    margin: 0 0 1.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.015em;
}

.capabilities {
    display: grid;
    gap: 0.5rem;
    margin: 0;
}

.capabilities > div {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: baseline;
    column-gap: 2rem;
}

.capabilities dt {
    font-size: clamp(3.5rem, 6.4vw, 5.75rem);
    font-weight: 400;
    line-height: 1.12;
    letter-spacing: -0.045em;
}

.capabilities dd {
    margin: 0;
    color: var(--secondary);
    font-size: 1.0625rem;
}

.intro {
    margin: 2.5rem 0 0;
    max-width: 68ch;
    color: var(--secondary);
    font-size: 1.0625rem;
    line-height: 1.65;
}

.intro-ending {
    display: block;
}

.workflow {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem 0.875rem;
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
    color: var(--secondary);
    font-size: 0.875rem;
}

.workflow li {
    display: flex;
    align-items: baseline;
    gap: 0.875rem;
}

.flow-arrow::before {
    content: '→';
}

.primary-action {
    margin-top: 1.875rem;
}

.button-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    min-height: 3rem;
    min-width: 11rem;
    padding: 0.625rem 1.5rem;
    border: 1px solid var(--action);
    border-radius: 4px;
    background: var(--action);
    color: var(--page);
    text-decoration: none;
}

.site-footer {
    min-height: 3.25rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--rule);
    color: var(--secondary);
    font-size: 0.75rem;
}

.site-footer p {
    margin: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    z-index: 1;
    top: 0.75rem;
    left: 1rem;
    padding: 0.5rem 0.75rem;
    background: var(--action);
    color: var(--page);
    transform: translateY(-200%);
}

.skip-link:focus {
    transform: translateY(0);
}

/* The agent reference is a real secondary document, not a simulated connection. */
.read-main {
    width: min(100%, 48rem);
    flex: 1;
    padding-block: clamp(2.5rem, 7svh, 5rem);
    overflow-wrap: anywhere;
}

.read-main h1 {
    margin: 0 0 1.25rem;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -0.04em;
}

.read-main h2 {
    margin: 2.5rem 0 0.75rem;
    font-size: 1.125rem;
    font-weight: 500;
}

.read-main p,
.read-main ol {
    color: var(--secondary);
}

.read-main ol {
    padding-left: 1.5rem;
}

.read-main li + li {
    margin-top: 0.75rem;
}

.read-main code {
    color: var(--text);
    font: inherit;
    font-size: 0.9375em;
}

@media (hover: hover) {
    .quiet-link:hover,
    .site-footer a:hover {
        color: var(--text);
        text-decoration: underline;
    }

    .button-link:hover {
        background: var(--page);
        color: var(--action);
    }
}

/* Stack before the companion column or workflow stops fitting comfortably. */
@media (max-width: 40rem) {
    .page-shell {
        width: calc(100% - 3rem);
        padding-block: max(1.25rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-bottom));
    }

    .wordmark {
        font-size: 1.25rem;
    }

    .quiet-link {
        font-size: 0.75rem;
    }

    .landing-main {
        justify-content: flex-start;
        padding-block: 2.75rem 1.75rem;
    }

    .eyebrow {
        margin-bottom: 1.25rem;
        font-size: 0.75rem;
    }

    .capabilities {
        gap: 1.5rem;
    }

    .capabilities > div {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.25rem;
    }

    .capabilities dt {
        font-size: 3.125rem;
        line-height: 1.08;
    }

    .capabilities dd {
        font-size: 0.875rem;
    }

    .intro {
        margin-top: 2rem;
        font-size: 0.9375rem;
        line-height: 1.6;
    }

    .intro-ending {
        display: inline;
    }

    .workflow {
        flex-direction: column;
        gap: 0.125rem;
        margin-top: 1.5rem;
        font-size: 0.8125rem;
    }

    .workflow li {
        gap: 0.5rem;
    }

    .flow-arrow::before {
        content: '↓';
    }

    .primary-action {
        margin-top: 1.5rem;
    }

    .button-link {
        width: 100%;
        font-size: 0.9375rem;
    }

    .site-footer {
        gap: 0.25rem 0.75rem;
        font-size: 0.625rem;
    }
}