/* Shared editorial shell for Aver notes, essays, and technical records. */
:root {
    --paper: #f1eee4;
    --paper-light: #faf8f1;
    --paper-deep: #e8e3d7;
    --ink: #171b20;
    --ink-soft: #555b5e;
    --line: #c9c3b5;
    --line-dark: #8e8a81;
    --rust: #9d3d10;
    --rust-bright: #c44d13;
    --green: #2d705d;
    --red: #a63b2d;
    --yellow: #8e681d;
    --blue: #315f80;
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
    --sans: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --mono: "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
    --logo-text: #171b20;
}

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

html {
    scroll-behavior: auto;
}

body {
    min-width: 320px;
    background:
        linear-gradient(rgba(23, 27, 32, 0.025) 1px, transparent 1px) 0 0 / 100% 32px,
        var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    line-height: 1.6;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration-color: rgba(157, 61, 16, 0.48);
    text-underline-offset: 3px;
}

a:hover,
a:focus-visible {
    color: var(--rust);
}

code,
pre {
    font-family: var(--mono);
}

code {
    padding: 0.08em 0.28em;
    border: 1px solid #d7d1c5;
    background: #eeeadf;
    font-size: 0.9em;
}

strong {
    font-weight: 650;
}

::selection {
    background: #d9b49e;
    color: var(--ink);
}

:focus-visible {
    outline: 2px solid var(--rust);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    left: 1rem;
    top: -5rem;
    z-index: 100;
    padding: 0.7rem 1rem;
    background: var(--ink);
    color: var(--paper-light);
}

.skip-link:focus {
    top: 1rem;
}

.article-frame {
    width: min(1280px, calc(100% - 48px));
    margin: 0 auto;
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

/* Header */

.article-site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(241, 238, 228, 0.96);
}

.article-site-header > .article-frame {
    min-height: 76px;
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    align-items: stretch;
}

.article-site-header .wordmark,
.article-site-header > .article-frame > .article-brand,
.article-site-header .article-nav:only-child > .article-brand {
    min-height: 76px;
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-right: 1px solid var(--line);
    text-decoration: none;
}

.brand-logo,
.article-logo {
    width: auto;
    height: 28px;
    display: block;
}

.article-site-header > .article-frame > nav.article-nav:not(:only-child) {
    min-width: 0;
    display: flex;
    grid-column: 2;
    align-items: stretch;
    justify-content: flex-end;
}

.article-site-header > .article-frame > nav.article-nav:only-child {
    min-width: 0;
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: 180px minmax(0, 1fr);
}

.article-nav-links {
    min-width: 0;
    display: flex;
    align-items: stretch;
    justify-content: flex-end;
}

.article-site-header nav.article-nav:not(:only-child) > a,
.article-nav-links > a {
    display: flex;
    align-items: center;
    padding: 0 15px;
    border-left: 1px solid var(--line);
    color: var(--ink-soft);
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.02em;
    text-decoration: none;
    text-transform: uppercase;
}

.article-site-header nav.article-nav:not(:only-child) > a:hover,
.article-site-header nav.article-nav:not(:only-child) > a:focus-visible,
.article-nav-links > a:hover,
.article-nav-links > a:focus-visible {
    background: var(--ink);
    color: var(--paper-light);
}

/* Main frame and hero */

.article-main > .article-frame,
.article-main.article-main--wide {
    background: var(--paper-light);
}

.article-main.article-main--wide {
    width: min(1280px, calc(100% - 48px));
    margin: 0 auto;
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.article-hero {
    padding: clamp(72px, 8vw, 112px) clamp(34px, 8vw, 112px) 62px;
    border-bottom: 1px solid var(--line);
}

.article-hero h1 {
    max-width: 16ch;
    font-family: var(--serif);
    font-size: clamp(3.2rem, 6.2vw, 5.8rem);
    font-weight: 400;
    letter-spacing: -0.055em;
    line-height: 0.94;
}

.article-main--essay .article-hero h1 {
    max-width: 13ch;
}

.certificate-page .article-hero h1 {
    max-width: 18ch;
    font-size: clamp(3rem, 5.4vw, 5.2rem);
}

.article-deck {
    max-width: 760px;
    margin-top: 34px;
    color: var(--ink-soft);
    font-family: var(--serif);
    font-size: clamp(1.2rem, 1.8vw, 1.55rem);
    line-height: 1.5;
}

.certificate-page .article-deck {
    max-width: 850px;
}

.article-meta {
    max-width: 980px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px 0;
    margin-top: 46px;
    padding-top: 18px;
    border-top: 1px solid var(--line-dark);
    color: var(--ink-soft);
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

p.article-meta > * {
    padding: 0 16px;
    border-left: 1px solid var(--line);
}

p.article-meta > *:first-child {
    padding-left: 0;
    border-left: 0;
}

dl.article-meta {
    max-width: none;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0;
    padding-top: 0;
    border: 1px solid var(--line-dark);
}

dl.article-meta > div {
    min-width: 0;
    padding: 16px;
    border-left: 1px solid var(--line);
}

dl.article-meta > div:first-child {
    border-left: 0;
}

dl.article-meta dt {
    color: var(--rust);
    font-size: 0.58rem;
}

dl.article-meta dd {
    margin-top: 7px;
    color: var(--ink);
    overflow-wrap: anywhere;
    text-transform: none;
}

dl.article-meta code {
    padding: 0;
    border: 0;
    background: transparent;
}

/* Long-form content */

.article-section {
    padding: 54px clamp(34px, 8vw, 112px);
    border-bottom: 1px solid var(--line);
}

.article-section:last-child {
    border-bottom: 0;
}

.article-section > h2,
.article-section > h3,
.article-section > p,
.article-section > ul,
.article-section > ol:not(.certificate-flow),
.article-section > blockquote,
.article-section > .article-note {
    width: min(780px, 100%);
    margin-right: auto;
    margin-left: auto;
}

.article-main--wide .article-section > h2,
.article-main--wide .article-section > h3,
.article-main--wide .article-section > p,
.article-main--wide .article-section > ul,
.article-main--wide .article-section > ol:not(.certificate-flow),
.article-main--wide .article-section > blockquote,
.article-main--wide .article-section > .article-note {
    width: min(860px, 100%);
}

.article-section h2 {
    margin-bottom: 30px;
    font-family: var(--serif);
    font-size: clamp(2rem, 3.2vw, 3rem);
    font-weight: 400;
    letter-spacing: -0.035em;
    line-height: 1.05;
}

.article-section h3 {
    margin-top: 40px;
    margin-bottom: 17px;
    font-family: var(--serif);
    font-size: clamp(1.45rem, 2.2vw, 2rem);
    font-weight: 500;
    line-height: 1.15;
}

.article-section > h2 + h3 {
    margin-top: 0;
}

.article-section p {
    margin-bottom: 20px;
    color: #3f464a;
    font-size: 1rem;
    line-height: 1.78;
}

.essay-page .article-section p,
.essay-page .article-section li {
    font-family: var(--serif);
    font-size: 1.08rem;
    line-height: 1.76;
}

.article-section p:last-child {
    margin-bottom: 0;
}

.article-section > .article-note:first-child {
    margin-top: 0;
}

.article-section > ul:last-child,
.article-section > ol:last-child,
.article-section > blockquote:last-child,
.article-section > .article-note:last-child {
    margin-bottom: 0;
}

.article-section ul,
.article-section ol:not(.certificate-flow) {
    margin-top: 22px;
    margin-bottom: 28px;
    padding-left: 1.4rem;
    color: #3f464a;
}

.article-section li {
    padding-left: 0.35rem;
    margin-bottom: 10px;
    line-height: 1.7;
}

.article-section li::marker {
    color: var(--rust);
    font-family: var(--mono);
}

.article-section a {
    color: var(--rust);
}

.article-section :is(p, li) code,
.article-deck code,
.article-note code {
    overflow-wrap: anywhere;
    -webkit-box-decoration-break: clone;
    box-decoration-break: clone;
}

.article-section blockquote {
    margin-top: 36px;
    margin-bottom: 36px;
    padding-left: 28px;
    border-left: 3px solid var(--rust);
    color: var(--ink);
    font-family: var(--serif);
    font-size: clamp(1.35rem, 2vw, 1.8rem);
    line-height: 1.45;
}

.article-note {
    margin-top: 34px;
    margin-bottom: 34px;
    padding: 24px 26px;
    border-top: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
    background: var(--paper-deep);
}

.article-note p {
    margin: 0;
    color: var(--ink);
    font-size: 0.92rem;
    line-height: 1.65;
}

.essay-page .article-note p {
    font-family: var(--sans);
    font-size: 0.9rem;
}

/* Source and terminal blocks */

.article-section > .article-code,
.article-section > figure {
    width: min(920px, 100%);
    margin: 38px auto;
}

.article-section > .article-terminal-figure--compact {
    width: min(720px, 100%);
}

.article-section > .article-code:last-child,
.article-section > .evidence-grid:last-child,
.article-section > .certificate-flow:last-child,
.article-section > .record-table:last-child,
.article-section > figure:last-child {
    margin-bottom: 0;
}

.article-code {
    overflow: auto;
    padding: 28px 30px;
    border: 0;
    border-top: 3px solid var(--rust-bright);
    background: var(--ink);
    color: #e8e3d7;
    font-family: var(--mono);
    font-size: 0.78rem;
    line-height: 1.72;
    tab-size: 4;
    white-space: pre;
}

.article-code code {
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font-size: inherit;
}

figure > .article-code {
    width: 100%;
    margin: 0;
}

.article-figure {
    border: 1px solid var(--line-dark);
    background: #f5f1e7;
}

.article-figure--portrait {
    width: min(700px, 100%) !important;
}

.article-figure img {
    width: 100%;
}

figcaption {
    padding: 13px 16px;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-family: var(--mono);
    font-size: 0.65rem;
    line-height: 1.5;
}

.t-cmd {
    color: #f3eee2;
    font-weight: 650;
}

.t-ok {
    color: #7fc7a8;
}

.t-fail {
    color: #ee8c78;
}

.t-num,
.t-more {
    color: #e1bc67;
}

.t-meta {
    color: #91b4ce;
}

.t-dim {
    color: #8f938e;
}

.t-sum {
    color: #f3eee2;
}

/* Oracle evidence ledger */

.evidence-grid {
    width: min(1080px, 100%);
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 42px auto 0;
    border-top: 1px solid var(--line-dark);
    border-left: 1px solid var(--line-dark);
}

.evidence-panel {
    min-width: 0;
    padding: 28px;
    border-right: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
    background: #20252a;
    color: #e8e3d7;
}

.evidence-panel-header {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    justify-content: space-between;
}

.evidence-panel h3 {
    margin: 0;
    color: var(--paper-light);
    font-family: var(--serif);
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.18;
}

.evidence-verdict {
    flex: 0 0 auto;
    padding: 5px 7px;
    border: 1px solid #626760;
    color: #c2c4bf;
    font-family: var(--mono);
    font-size: 0.58rem;
    letter-spacing: 0.05em;
}

.evidence-verdict.is-pass {
    border-color: #3b7b67;
    color: #7fc7a8;
}

.evidence-verdict.is-fail {
    border-color: #874438;
    color: #ee8c78;
}

.evidence-verdict.is-neutral {
    border-color: #94742c;
    color: #e1bc67;
}

.evidence-panel .evidence-command {
    margin: 26px 0 18px;
    color: #b8bbb5;
    font-family: var(--mono);
    font-size: 0.68rem;
    line-height: 1.6;
    overflow-wrap: anywhere;
}

.evidence-command code {
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
}

.evidence-panel .article-code {
    width: 100%;
    margin: 0;
    padding: 18px;
    border-top-width: 1px;
    background: #111519;
    font-size: 0.7rem;
}

/* ABC record */

.certificate-flow {
    width: min(1080px, 100%);
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 40px auto 0;
    padding: 0;
    border-top: 1px solid var(--line-dark);
    border-left: 1px solid var(--line-dark);
    list-style: none;
}

.certificate-flow li {
    min-height: 150px;
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 18px;
    margin: 0;
    padding: 26px;
    border-right: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
}

.certificate-flow li:last-child:nth-child(odd) {
    grid-column: 1 / -1;
}

.certificate-flow li > span {
    color: var(--rust);
    font-family: var(--mono);
    font-size: 0.68rem;
}

.certificate-flow strong {
    display: block;
    font-family: var(--serif);
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.2;
}

.certificate-flow p {
    margin-top: 10px;
    color: var(--ink-soft);
    font-size: 0.82rem;
    line-height: 1.6;
}

.record-table {
    width: min(1080px, 100%);
    overflow-x: auto;
    margin: 38px auto;
    border-top: 2px solid var(--ink);
}

.record-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--paper-light);
}

.record-table th,
.record-table td {
    padding: 17px 18px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: #3f464a;
    font-size: 0.82rem;
    line-height: 1.55;
    text-align: left;
    vertical-align: top;
}

.record-table tr > *:first-child {
    border-left: 1px solid var(--line);
}

.record-table th {
    width: 230px;
    color: var(--ink);
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 600;
}

.record-table thead th {
    width: auto;
    background: var(--ink);
    color: var(--paper-light);
    text-transform: uppercase;
}

.record-table--levels th:first-child {
    width: 110px;
}

.record-table--levels :is(th, td):nth-child(2) {
    width: 270px;
}

.record-table code {
    overflow-wrap: normal;
    white-space: nowrap;
}

/* Footer */

.article-site-footer {
    background: var(--ink);
    color: var(--paper-light);
}

.article-site-footer > .article-frame {
    min-height: 120px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    border-color: #4a4d50;
}

.article-site-footer p {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    align-items: center;
    padding: 22px 28px;
    color: #aaa79e;
    font-family: var(--mono);
    font-size: 0.68rem;
}

.article-site-footer nav {
    display: flex;
    align-self: stretch;
}

.article-site-footer nav a {
    display: flex;
    align-items: center;
    padding: 0 14px;
    border-left: 1px solid #4a4d50;
    color: #aaa79e;
    font-family: var(--mono);
    font-size: 0.64rem;
    text-decoration: none;
    text-transform: uppercase;
}

.article-site-footer a:hover,
.article-site-footer a:focus-visible {
    color: var(--paper-light);
}

/* Responsive layout */

@media (max-width: 900px) {
    .article-site-header > .article-frame {
        grid-template-columns: 150px minmax(0, 1fr);
    }

    .article-site-header > .article-frame > nav.article-nav:only-child {
        grid-template-columns: 150px minmax(0, 1fr);
    }

    .article-site-header nav.article-nav:not(:only-child) > a,
    .article-nav-links > a {
        padding: 0 10px;
        font-size: 0.6rem;
    }

    dl.article-meta {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    dl.article-meta > div:nth-child(4) {
        border-left: 0;
    }

    dl.article-meta > div:nth-child(n + 4) {
        border-top: 1px solid var(--line);
    }
}

@media (max-width: 720px) {
    .article-frame,
    .article-main.article-main--wide {
        width: calc(100% - 24px);
    }

    .article-site-header > .article-frame {
        grid-template-columns: 1fr;
    }

    .article-site-header .wordmark,
    .article-site-header > .article-frame > .article-brand {
        min-height: 66px;
        border-right: 0;
    }

    .article-site-header > .article-frame > nav.article-nav:not(:only-child) {
        min-height: 44px;
        grid-column: 1;
        justify-content: flex-start;
        overflow-x: auto;
        border-top: 1px solid var(--line);
    }

    .article-site-header > .article-frame > nav.article-nav:only-child {
        grid-template-columns: 1fr;
    }

    .article-site-header .article-nav:only-child > .article-brand {
        min-height: 66px;
        border-right: 0;
    }

    .article-nav-links {
        min-height: 44px;
        justify-content: flex-start;
        overflow-x: auto;
        border-top: 1px solid var(--line);
    }

    .article-site-header nav.article-nav:not(:only-child) > a,
    .article-nav-links > a {
        flex: 0 0 auto;
        min-height: 44px;
    }

    .article-site-header nav.article-nav:not(:only-child) > a:first-child,
    .article-nav-links > a:first-child {
        border-left: 0;
    }

    .article-hero {
        padding: 58px 24px 46px;
    }

    .article-hero h1,
    .certificate-page .article-hero h1 {
        font-size: clamp(2.75rem, 12vw, 4rem);
    }

    .article-deck {
        margin-top: 26px;
        font-size: 1.15rem;
    }

    p.article-meta {
        display: grid;
        gap: 9px;
        margin-top: 34px;
    }

    p.article-meta > * {
        padding: 0;
        border-left: 0;
    }

    dl.article-meta {
        grid-template-columns: 1fr;
    }

    dl.article-meta > div,
    dl.article-meta > div:nth-child(4) {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    dl.article-meta > div:first-child {
        border-top: 0;
    }

    .article-section {
        padding: 56px 24px;
    }

    .article-section h2 {
        margin-bottom: 24px;
    }

    .article-section > .article-code,
    .article-section > figure {
        margin-top: 30px;
        margin-bottom: 30px;
    }

    .article-code {
        padding: 22px 20px;
        font-size: 0.72rem;
    }

    .evidence-grid,
    .certificate-flow {
        grid-template-columns: 1fr;
    }

    .certificate-flow li:last-child:nth-child(odd) {
        grid-column: 1;
    }

    .record-table table {
        min-width: 620px;
    }

    .article-site-footer > .article-frame {
        min-height: auto;
        grid-template-columns: 1fr;
    }

    .article-site-footer nav {
        min-height: 52px;
        overflow-x: auto;
        border-top: 1px solid #4a4d50;
    }

    .article-site-footer nav a {
        flex: 1 0 auto;
    }
}

@media (max-width: 460px) {
    .article-hero h1,
    .certificate-page .article-hero h1 {
        font-size: 2.8rem;
    }

    .article-section p {
        font-size: 0.96rem;
    }

    .essay-page .article-section p,
    .essay-page .article-section li {
        font-size: 1.02rem;
    }

    .evidence-panel {
        padding: 22px 18px;
    }

    .evidence-panel-header {
        display: grid;
    }

    .evidence-verdict {
        width: fit-content;
    }

    .certificate-flow li {
        grid-template-columns: 38px 1fr;
        padding: 22px 18px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}