/* =============================================================================
   Heirloom — PRJCT LAZRUS Design System v4 · "Technical Record, after dark"
   -----------------------------------------------------------------------------
   Ported verbatim from prjctlazrus.com so the product landing page and the
   parent site are the same document. Same tokens, same hairlines, same square
   corners, same single violet signal, same two faces and no sans-serif.

   Faces are loaded from Google Fonts here rather than self-hosted, because this
   page ships on its own origin; every other decision is unchanged.
   ========================================================================== */

@layer reset, base, layout, components, utilities;

/* === Tokens =============================================================== */

:root {
    color-scheme: dark;

    --paper:    #0B0A11;
    --paper-2:  #15131D;
    --paper-3:  #201D2A;
    --ink:      #E9E8F2;
    --ink-2:    #B6B4C2;
    --ink-3:    #8C899C;
    --rule:     #2A2836;
    --rule-2:   #403D4F;

    --signal:      #AB89FF;
    --signal-2:    #C6B2FF;
    --signal-3:    #8B56F9;
    --signal-dim:  rgba(171, 137, 255, 0.12);
    --signal-rule: rgba(171, 137, 255, 0.42);

    --red:       #D08A7A;
    --red-wash:  #1D1614;
    --green:     #93BFA3;
    --amber:     #D2B36B;

    --select: rgba(171, 137, 255, 0.28);

    --serif: 'Newsreader', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
    --mono:  'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;

    --t-micro: 0.75rem;
    --t-meta:  0.8125rem;
    --t-small: 0.9375rem;
    --t-body:  1.125rem;
    --t-lede:  1.28rem;
    --t-h3:    1.28rem;
    --t-h2:    clamp(1.75rem, 1.25rem + 1.8vw, 2.5rem);
    --t-h1:    clamp(2.5rem, 1.5rem + 3.5vw, 3.85rem);

    --idx:   5.5rem;
    --gap:   1.75rem;
    --measure: 66ch;

    --shell: 1180px;
    --pad:   clamp(1.25rem, 4vw, 3.5rem);
}

/* === Reset ================================================================ */

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

    html {
        -webkit-text-size-adjust: 100%;
        scroll-behavior: smooth;
        scroll-padding-top: 6.25rem;
    }
    @media (prefers-reduced-motion: reduce) {
        html { scroll-behavior: auto; }
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }

    img, svg, video { display: block; max-width: 100%; height: auto; }
    button, input, select, textarea { font: inherit; color: inherit; }
    ul, ol { list-style: none; }
    table { border-collapse: collapse; width: 100%; }
    ::selection { background: var(--select); }
}

/* === Base ================================================================= */

@layer base {
    body {
        font-family: var(--serif);
        font-size: var(--t-body);
        font-weight: 400;
        line-height: 1.68;
        color: var(--ink);
        background: var(--paper);
        font-variant-numeric: oldstyle-nums proportional-nums;
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
        counter-reset: sect;
    }

    h1, h2, h3, h4 {
        font-family: var(--serif);
        font-weight: 600;
        line-height: 1.18;
        letter-spacing: -0.014em;
        text-wrap: balance;
        color: var(--ink);
    }
    h1 {
        font-size: var(--t-h1);
        font-weight: 700;
        line-height: 1.08;
        letter-spacing: -0.026em;
    }
    h2 { font-size: var(--t-h2); letter-spacing: -0.02em; }
    h3 { font-size: var(--t-h3); font-weight: 600; letter-spacing: -0.008em; }
    h4 { font-size: var(--t-small); }

    p { max-width: var(--measure); }
    p + p { margin-top: 1.05em; }

    a {
        color: var(--signal);
        text-decoration: underline;
        text-decoration-thickness: 1px;
        text-underline-offset: 0.18em;
        text-decoration-color: var(--signal-rule);
        transition: text-decoration-color .12s, color .12s;
    }
    a:hover { color: var(--signal-2); text-decoration-color: currentColor; }

    strong, b { font-weight: 700; }
    em, i { font-style: italic; }
    code, kbd, samp, pre { font-family: var(--mono); font-size: 0.875em; }

    :focus-visible {
        outline: 2px solid var(--signal);
        outline-offset: 2px;
        border-radius: 1px;
    }

    .num, .stat-value, .stat-val, .metric-val, table td, table th {
        font-variant-numeric: tabular-nums lining-nums;
    }
}

/* === Layout =============================================================== */

@layer layout {
    .container {
        width: 100%;
        max-width: var(--shell);
        margin-inline: auto;
        padding-inline: var(--pad);
    }

    .section {
        padding-block: clamp(4.25rem, 8vw, 7.5rem);
        border-top: 1px solid var(--rule);
    }
    .section:first-of-type { border-top: 0; }
    .section--alt { background: var(--paper-2); }

    .skip-to-content {
        position: absolute;
        left: -9999px;
        top: 0;
        z-index: 200;
        background: var(--ink);
        color: var(--paper);
        font-family: var(--mono);
        font-size: var(--t-meta);
        padding: 0.75rem 1.25rem;
        text-decoration: none;
    }
    .skip-to-content:focus { left: 0.75rem; top: 0.75rem; }
}

/* === Components =========================================================== */

@layer components {

    /* --- Mono label ------------------------------------------------------- */
    .overline,
    .card-eyebrow,
    .stat-label,
    .metric-label,
    .label {
        font-family: var(--mono);
        font-size: var(--t-micro);
        font-weight: 500;
        letter-spacing: 0.02em;
        color: var(--ink-3);
        text-transform: none;
        font-variant-numeric: tabular-nums lining-nums;
    }

    .section-head { margin-bottom: clamp(2.5rem, 4vw, 3.5rem); }
    .section-head .overline {
        display: block;
        margin-bottom: 1.1rem;
        color: var(--ink-3);
    }
    .section-head .overline::before {
        counter-increment: sect;
        content: counter(sect, decimal-leading-zero) "\00a0\00a0/\00a0\00a0";
        color: var(--signal);
        font-weight: 600;
    }
    .section-head h2 { max-width: 22ch; }
    .section-sub {
        margin-top: 1.15rem;
        font-size: var(--t-lede);
        color: var(--ink-2);
        max-width: 62ch;
    }

    /* --- Navigation ------------------------------------------------------- */
    .nav {
        position: sticky;
        top: 0;
        z-index: 100;
        background: var(--paper);
        border-bottom: 1px solid transparent;
        transition: border-color .15s;
    }
    .nav.scrolled { border-bottom-color: var(--rule); }

    .nav-inner {
        max-width: var(--shell);
        margin-inline: auto;
        padding: 0 var(--pad);
        height: 4.75rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1.5rem;
    }

    .nav-logo {
        display: inline-flex;
        align-items: center;
        gap: 0.6rem;
        font-family: var(--mono);
        font-size: var(--t-small);
        font-weight: 700;
        letter-spacing: 0.01em;
        color: var(--ink);
        text-decoration: none;
    }
    .nav-logo:hover { color: var(--ink); }
    .nav-logo .mark { width: 1.5rem; height: 1.5rem; flex: none; }

    .nav-links {
        display: flex;
        align-items: center;
        gap: clamp(1rem, 2.2vw, 2rem);
    }
    .nav-links a {
        font-family: var(--mono);
        font-size: var(--t-meta);
        font-weight: 500;
        color: var(--ink-2);
        text-decoration: none;
        padding-block: 0.45rem;
        border-bottom: 1px solid transparent;
    }
    .nav-links a:hover { color: var(--ink); border-bottom-color: var(--ink); }
    .nav-links a[aria-current='page'] {
        color: var(--ink);
        border-bottom-color: var(--signal);
    }

    .nav-toggle {
        display: none;
        background: none;
        border: 1px solid var(--rule);
        color: var(--ink);
        font-family: var(--mono);
        font-size: var(--t-meta);
        padding: 0.4rem 0.7rem;
        cursor: pointer;
    }

    @media (max-width: 860px) {
        .nav-toggle { display: block; }
        .nav-links {
            position: absolute;
            inset-inline: 0;
            top: 100%;
            display: none;
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            background: var(--paper);
            border-block: 1px solid var(--rule);
            padding: 0.5rem var(--pad) 1rem;
        }
        .nav-links.active { display: flex; }
        .nav-links a {
            padding-block: 0.8rem;
            border-bottom: 1px solid var(--rule);
        }
        .nav-links a:last-child { border-bottom: 0; }
    }

    /* --- Buttons ---------------------------------------------------------- */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        font-family: var(--mono);
        font-size: var(--t-meta);
        font-weight: 600;
        letter-spacing: 0.01em;
        line-height: 1;
        padding: 0.95rem 1.5rem;
        border: 1px solid var(--ink);
        border-radius: 0;
        background: transparent;
        color: var(--ink);
        text-decoration: none;
        cursor: pointer;
        transition: background .12s, color .12s, border-color .12s;
    }
    .btn:hover { color: var(--ink); }
    .btn-primary { background: var(--signal); border-color: var(--signal); color: var(--paper); }
    .btn-primary:hover { background: var(--signal-2); border-color: var(--signal-2); color: var(--paper); }
    .btn-primary:active { background: var(--signal-3); border-color: var(--signal-3); color: var(--paper); }
    .btn-ghost, .btn-secondary {
        background: transparent;
        color: var(--ink);
        border-color: var(--rule-2);
    }
    .btn-ghost:hover, .btn-secondary:hover { border-color: var(--ink); color: var(--ink); }
    .btn[disabled] { opacity: .5; cursor: not-allowed; }

    /* --- Hero ------------------------------------------------------------- */
    .hero, .product-hero {
        position: relative;
        padding-block: clamp(4rem, 8.5vw, 7.75rem) clamp(3.25rem, 6.5vw, 5.5rem);
        background-image:
            linear-gradient(180deg,
                color-mix(in srgb, var(--paper-2) 70%, transparent) 0%,
                transparent 100%);
    }
    .hero-inner, .product-hero-inner { position: relative; }

    .hero h1, .product-hero h1 { max-width: 20ch; }
    .hero-sub {
        margin-top: 1.75rem;
        font-size: var(--t-lede);
        color: var(--ink-2);
        max-width: 58ch;
    }
    .hero-actions, .product-cta-actions {
        margin-top: 2.5rem;
        display: flex;
        gap: 0.9rem;
        flex-wrap: wrap;
    }
    .hero-meta {
        font-family: var(--mono);
        font-size: var(--t-meta);
        color: var(--ink-3);
        margin-bottom: 2rem;
        display: flex;
        flex-wrap: wrap;
        gap: 0.6rem 1.5rem;
        max-width: none;
    }
    .hero-meta span { display: inline-flex; align-items: center; gap: 0.45rem; }

    /* --- Datasheet strip -------------------------------------------------- */
    .metrics {
        border-block: 1px solid var(--rule);
        background: var(--paper-2);
    }
    .metrics-inner {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        padding: 0;
    }
    .metric {
        padding: 1.9rem var(--gap) 1.9rem 0;
        border-left: 1px solid var(--rule);
        padding-left: 1.5rem;
    }
    .metric:first-child { border-left: 0; padding-left: 0; }
    .metric-val {
        display: block;
        font-family: var(--mono);
        font-size: clamp(1.35rem, 1.1rem + 1.1vw, 1.7rem);
        font-weight: 600;
        letter-spacing: -0.02em;
        color: var(--ink);
    }
    .metric-label { display: block; margin-top: 0.5rem; }
    @media (max-width: 720px) {
        .metrics-inner { grid-template-columns: repeat(2, 1fr); }
        .metric { border-left: 0; padding-left: 0; padding-block: 1.35rem; }
        .metric:nth-child(n+3) { border-top: 1px solid var(--rule); }
    }

    /* --- The ruled matrix ------------------------------------------------- */
    .cards, .product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(21rem, 1fr));
        gap: 0;
        border-top: 1px solid var(--rule);
        border-left: 1px solid var(--rule);
        counter-reset: cell;
    }
    .card, .product-card {
        position: relative;
        padding: 2.25rem 2.25rem 2.4rem;
        border-bottom: 1px solid var(--rule);
        border-right: 1px solid var(--rule);
        background: transparent;
        transition: background .15s;
    }
    .card:hover, .product-card:hover { background: var(--paper-2); }
    .cards > *:last-child, .product-grid > *:last-child { border-right: 1px solid var(--rule); }

    .card::before, .product-card::before {
        counter-increment: cell;
        content: counter(cell, decimal-leading-zero);
        position: absolute;
        top: 2.25rem;
        right: 2.25rem;
        font-family: var(--mono);
        font-size: var(--t-micro);
        font-variant-numeric: tabular-nums lining-nums;
        color: var(--rule-2);
    }

    .card--wide { grid-column: 1 / -1; }
    .card h3, .product-card h3 {
        margin-top: 0.4rem;
        margin-bottom: 0.75rem;
        padding-right: 2.75rem;
    }
    .card-eyebrow { display: block; }
    .card-body, .product-card p { color: var(--ink-2); font-size: var(--t-small); }
    .card--wide .card-body { font-size: var(--t-body); max-width: 70ch; }

    .card-link {
        display: inline-block;
        margin-top: 1.35rem;
        font-family: var(--mono);
        font-size: var(--t-meta);
        font-weight: 600;
        text-decoration: none;
        border-bottom: 1px solid var(--signal-rule);
        padding-bottom: 1px;
    }
    .card-link:hover { border-bottom-color: currentColor; }
    .card-link::after { content: "\00a0\2192"; }

    /* --- Product furniture ------------------------------------------------ */
    .product-hero-content { max-width: 62ch; }
    .product-hero-content > p { font-size: var(--t-lede); color: var(--ink-2); margin-top: 1.25rem; }

    .product-stats {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
        margin-top: 3rem;
        border-top: 1px solid var(--rule);
        border-bottom: 1px solid var(--rule);
    }
    .stat {
        padding: 1.45rem 1.5rem 1.5rem 0;
        border-left: 1px solid var(--rule);
        padding-left: 1.5rem;
    }
    .stat:first-child { border-left: 0; padding-left: 0; }
    .stat-value, .stat-val {
        display: block;
        font-family: var(--mono);
        font-size: clamp(1.2rem, 1rem + 0.9vw, 1.45rem);
        font-weight: 600;
        letter-spacing: -0.02em;
        color: var(--ink);
    }
    .stat-label { display: block; margin-top: 0.45rem; }

    .client-strip, .client-tag {
        display: inline-flex;
        align-items: center;
        gap: 0.55rem;
        font-family: var(--mono);
        font-size: var(--t-meta);
        color: var(--ink-2);
        border-left: 2px solid var(--signal);
        padding: 0.15rem 0 0.15rem 0.7rem;
        margin-bottom: 1rem;
    }

    /* --- Split ------------------------------------------------------------ */
    .product-split {
        display: grid;
        grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
        gap: clamp(2rem, 5vw, 4rem);
        align-items: start;
    }
    @media (max-width: 900px) { .product-split { grid-template-columns: 1fr; } }
    .product-split-text p { color: var(--ink-2); }

    /* --- Code ------------------------------------------------------------- */
    .code-block {
        border: 1px solid var(--rule);
        background: var(--paper-2);
        overflow: hidden;
    }
    .code-header {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.6rem 0.9rem;
        border-bottom: 1px solid var(--rule);
        background: var(--paper-3);
    }
    .filename, .code-filename {
        font-family: var(--mono);
        font-size: var(--t-micro);
        color: var(--ink-3);
    }
    .code-header .dot { display: none; }
    .code-block pre {
        margin: 0;
        padding: 1.25rem 1.35rem 1.4rem;
        overflow-x: auto;
        font-size: var(--t-small);
        line-height: 1.75;
        color: var(--ink-2);
        -moz-tab-size: 4;
        tab-size: 4;
    }
    .keyword  { color: var(--signal); }
    .string   { color: #9C9C9C; }
    .function { color: #F2F2F2; font-weight: 600; }
    .comment  { color: #6F6F6F; font-style: italic; }
    .code-block .key { color: var(--signal); }

    /* --- Info / tech lists ------------------------------------------------ */
    .info-item, .tech-item {
        display: flex;
        gap: 0.75rem;
        align-items: baseline;
        padding: 0.95rem 0;
        border-bottom: 1px solid var(--rule);
        font-size: var(--t-small);
        color: var(--ink-2);
    }
    .info-item::before, .tech-item::before {
        content: "\2014";
        color: var(--rule-2);
        flex: none;
    }
    .info-item > div, .tech-item > div { min-width: 0; }
    .info-item strong, .tech-item strong {
        display: block;
        font-family: var(--mono);
        font-size: var(--t-meta);
        font-weight: 600;
        color: var(--ink);
        margin-bottom: 0.2rem;
    }
    .info-item p, .tech-item p { font-size: var(--t-small); color: var(--ink-2); margin: 0; }

    /* --- Definition/spec rows -------------------------------------------- */
    .spec {
        display: grid;
        grid-template-columns: minmax(8rem, 14rem) minmax(0, 1fr);
        border-top: 1px solid var(--rule);
    }
    .spec > dt {
        font-family: var(--mono);
        font-size: var(--t-meta);
        color: var(--ink-3);
        padding: 1.2rem 1.25rem 1.2rem 0;
        border-bottom: 1px solid var(--rule);
    }
    .spec > dd {
        padding: 1.2rem 0;
        border-bottom: 1px solid var(--rule);
        font-size: var(--t-small);
        color: var(--ink-2);
    }
    @media (max-width: 640px) {
        .spec { grid-template-columns: 1fr; }
        .spec > dt { padding-bottom: 0.2rem; border-bottom: 0; }
    }

    /* --- Index list ------------------------------------------------------- */
    .index-list { border-top: 1px solid var(--rule); }
    .index-row {
        display: grid;
        grid-template-columns: 3.5rem minmax(0, 1fr) auto;
        align-items: baseline;
        gap: 1.25rem;
        padding: 1.45rem 0;
        border-bottom: 1px solid var(--rule);
        text-decoration: none;
        color: var(--ink);
        transition: padding-left .15s, background .15s;
    }
    .index-row:hover { background: var(--paper-2); padding-left: 0.6rem; color: var(--ink); }
    .index-row .n {
        font-family: var(--mono);
        font-size: var(--t-meta);
        color: var(--signal);
        font-variant-numeric: tabular-nums lining-nums;
    }
    .index-row .t { font-weight: 600; }
    .index-row .d {
        display: block;
        font-size: var(--t-small);
        color: var(--ink-2);
        font-weight: 400;
        margin-top: 0.3rem;
    }
    .index-row .k {
        font-family: var(--mono);
        font-size: var(--t-micro);
        color: var(--ink-3);
        white-space: nowrap;
    }
    @media (max-width: 640px) {
        .index-row { grid-template-columns: 2.5rem minmax(0, 1fr); }
        .index-row .k { display: none; }
    }

    /* --- CTA -------------------------------------------------------------- */
    .product-cta {
        border: 1px solid var(--rule);
        background: var(--paper-2);
        padding: clamp(2rem, 5vw, 3.25rem);
    }
    .product-cta-inner h2 { max-width: 20ch; }
    .product-cta-inner > p { color: var(--ink-2); margin-top: 0.9rem; }

    /* --- Footnote / case -------------------------------------------------- */
    .record-note {
        font-family: var(--mono);
        font-size: var(--t-micro);
        line-height: 1.85;
        color: var(--ink-3);
        max-width: 76ch;
        padding: 1.4rem 0 1.7rem;
        border-top: 1px solid var(--rule);
    }
    .case {
        border-left: 2px solid var(--ink);
        padding: 0.25rem 0 0.25rem clamp(1rem, 2.5vw, 1.75rem);
        margin-bottom: clamp(2rem, 4vw, 3rem);
    }
    .case-title {
        font-size: clamp(1.35rem, 1.05rem + 1.1vw, 1.8rem);
        font-weight: 600;
        letter-spacing: -0.018em;
        max-width: 26ch;
        margin-bottom: 0.85rem;
    }
    .case-body { color: var(--ink-2); max-width: 72ch; }
    .case .card-link { margin-top: 1rem; }

    .split-heading {
        font-family: var(--mono);
        font-size: var(--t-micro);
        font-weight: 600;
        color: var(--ink-3);
        margin-bottom: 0.5rem;
        padding-bottom: 0.5rem;
        border-bottom: 1px solid var(--rule-2);
    }
    .boundary-note {
        margin-top: 1.75rem;
        padding-left: 0.9rem;
        border-left: 1px solid var(--rule);
        font-size: var(--t-small);
        color: var(--ink-3);
        max-width: 80ch;
    }

    /* --- Footer ----------------------------------------------------------- */
    .footer {
        border-top: 1px solid var(--rule);
        background: var(--paper-2);
        padding-top: clamp(2.5rem, 5vw, 4rem);
    }
    .footer-inner {
        display: grid;
        grid-template-columns: 1.6fr repeat(3, 1fr);
        gap: 2rem var(--gap);
    }
    @media (max-width: 1040px) { .footer-inner { grid-template-columns: repeat(3, 1fr); } }
    @media (max-width: 640px)  { .footer-inner { grid-template-columns: repeat(2, 1fr); } }

    .footer-brand strong {
        font-family: var(--mono);
        font-size: var(--t-small);
        letter-spacing: 0.01em;
    }
    .footer-brand p {
        font-size: var(--t-small);
        color: var(--ink-3);
        margin-top: 0.65rem;
        max-width: 32ch;
    }
    .footer-col h2, .footer-col h3, .footer-col h4 {
        font-family: var(--mono);
        font-size: var(--t-micro);
        font-weight: 500;
        color: var(--ink-3);
        margin-bottom: 0.9rem;
    }
    .footer-col a {
        display: block;
        font-size: var(--t-small);
        color: var(--ink-2);
        text-decoration: none;
        padding: 0.4rem 0;
    }
    .footer-col a:hover { color: var(--ink); text-decoration: underline; }
    .footer-bottom {
        margin-top: clamp(2rem, 4vw, 3rem);
        padding-block: 1.25rem;
        border-top: 1px solid var(--rule);
        display: flex;
        justify-content: space-between;
        gap: 1rem;
        flex-wrap: wrap;
    }
    .footer-bottom p {
        font-family: var(--mono);
        font-size: var(--t-micro);
        color: var(--ink-3);
    }
}

/* === Legal pages ========================================================== */

@layer components {
    .legal { padding-block: clamp(3rem, 6vw, 5rem) clamp(4rem, 7vw, 6rem); }
    .legal-inner { max-width: 74ch; }
    .legal-inner > .overline { display: block; margin-bottom: 0.9rem; }
    .legal-inner h1 { font-size: clamp(2rem, 1.5rem + 1.9vw, 2.75rem); margin-bottom: 1.25rem; }
    .legal-inner h2 {
        font-size: 1.5rem;
        margin-top: 3rem;
        margin-bottom: 0.7rem;
        padding-top: 1.1rem;
        border-top: 1px solid var(--rule);
    }
    .legal-inner h3 { margin-top: 1.9rem; margin-bottom: 0.5rem; }
    .legal-inner p, .legal-inner li { color: var(--ink-2); }
    .legal-inner p { margin-top: 1rem; }
    .legal-inner ul, .legal-inner ol { margin: 0.85rem 0 0.85rem 0; }
    .legal-inner li { position: relative; padding-left: 1.25rem; margin-bottom: 0.6rem; }
    .legal-inner ul li::before {
        content: "\2014";
        position: absolute;
        left: 0;
        color: var(--rule-2);
    }
    .legal-inner ol { counter-reset: li; }
    .legal-inner ol li { counter-increment: li; padding-left: 1.9rem; }
    .legal-inner ol li::before {
        content: counter(li, decimal-leading-zero);
        position: absolute;
        left: 0;
        font-family: var(--mono);
        font-size: var(--t-micro);
        color: var(--ink-3);
    }

    .legal-meta {
        font-family: var(--mono);
        font-size: var(--t-meta);
        line-height: 1.8;
        color: var(--ink-3);
        border-left: 1px solid var(--rule-2);
        padding-left: 0.9rem;
        margin-top: 1.5rem;
    }
    .legal-callout {
        margin: 2rem 0;
        border-left: 2px solid var(--signal);
        background: var(--signal-dim);
        padding: 1.15rem 1.35rem;
    }
    .legal-callout p { margin-top: 0; color: var(--ink-2); }
    .legal-callout p + p { margin-top: 0.8rem; }
    .legal-inner code {
        background: var(--paper-2);
        border: 1px solid var(--rule);
        padding: 0.05em 0.35em;
    }
}

/* === Utilities ============================================================ */

@layer utilities {
    .sr-only {
        position: absolute;
        width: 1px; height: 1px;
        padding: 0; margin: -1px;
        overflow: hidden;
        clip-path: inset(50%);
        white-space: nowrap;
        border: 0;
    }
    .mono { font-family: var(--mono); }
    .muted { color: var(--ink-3); }
    .muted-inline { color: var(--ink-3); font-weight: 400; font-size: 0.8em; }
    .u-mt-0 { margin-top: 0; }

    .fade-in {
        opacity: 0;
        transform: translateY(8px);
        transition: opacity .5s ease, transform .5s ease;
    }
    .fade-in.visible { opacity: 1; transform: none; }
    @media (prefers-reduced-motion: reduce) {
        .fade-in { opacity: 1; transform: none; }
    }
}