:root {
    color-scheme: light;
    --ink: #18231f;
    --ink-soft: #46534e;
    --paper: #f5f3ec;
    --paper-raised: #fffdf8;
    --line: #d9d7cd;
    --brand: #006b54;
    --brand-dark: #004c3d;
    --brand-pale: #dcefe8;
    --signal: #ffca58;
    --signal-pale: #fff0c9;
    --risk: #9a3d2f;
    --risk-pale: #f7e3df;
    --info: #245b78;
    --info-pale: #e1eef4;
    --code: #14241f;
    --code-ink: #f4f1e8;
    --radius: 1.1rem;
    --shadow: 0 18px 55px rgba(30, 48, 41, 0.09);
    --content: 74rem;
    --reading: 47rem;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 8% 2%, rgba(255, 202, 88, 0.17), transparent 24rem),
        var(--paper);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--brand-dark);
    text-decoration-color: rgba(0, 76, 61, 0.38);
    text-underline-offset: 0.18em;
}

a:hover {
    text-decoration-color: currentColor;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--signal);
    outline-offset: 3px;
}

img,
svg {
    max-width: 100%;
}

code,
pre,
.eyebrow,
.version-chip,
.status,
.metric-value {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

code {
    padding: 0.1em 0.34em;
    border-radius: 0.3rem;
    background: rgba(0, 107, 84, 0.09);
    font-size: 0.9em;
}

pre {
    position: relative;
    max-width: 100%;
    margin: 1.15rem 0 1.65rem;
    padding: 1.25rem;
    overflow: auto;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0.8rem;
    color: var(--code-ink);
    background: var(--code);
    box-shadow: 0 14px 32px rgba(20, 36, 31, 0.12);
    font-size: 0.84rem;
    line-height: 1.65;
    tab-size: 4;
}

pre code {
    padding: 0;
    color: inherit;
    background: none;
    font-size: inherit;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.65rem 0.9rem;
    border-radius: 0.45rem;
    color: #fff;
    background: var(--brand-dark);
    transform: translateY(-180%);
}

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

.site-header {
    position: sticky;
    z-index: 20;
    top: 0;
    border-bottom: 1px solid rgba(24, 35, 31, 0.11);
    background: rgba(245, 243, 236, 0.93);
    backdrop-filter: blur(12px);
}

.nav-shell {
    display: flex;
    width: min(calc(100% - 2rem), var(--content));
    min-height: 4.25rem;
    margin: 0 auto;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
}

.brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 0.7rem;
    color: var(--ink);
    font-weight: 780;
    letter-spacing: -0.025em;
    text-decoration: none;
}

.brand-mark {
    display: grid;
    width: 2.15rem;
    height: 2.15rem;
    border-radius: 0.58rem 0.58rem 0.58rem 0.12rem;
    place-items: center;
    color: #fff;
    background: var(--brand);
    box-shadow: inset -0.3rem -0.3rem 0 rgba(0, 0, 0, 0.09);
    font: 700 0.83rem/1 "SFMono-Regular", Consolas, monospace;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.15rem;
}

.site-nav a {
    padding: 0.5rem 0.68rem;
    border-radius: 0.45rem;
    color: var(--ink-soft);
    font-size: 0.9rem;
    font-weight: 650;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    color: var(--brand-dark);
    background: var(--brand-pale);
}

.site-nav .language-link {
    margin-left: 0.35rem;
    border: 1px solid var(--line);
    background: var(--paper-raised);
}

main {
    min-height: 64vh;
}

.shell {
    width: min(calc(100% - 2rem), var(--content));
    margin-inline: auto;
}

.reading {
    max-width: var(--reading);
}

.hero {
    position: relative;
    padding: clamp(4.8rem, 10vw, 8rem) 0 clamp(3.4rem, 7vw, 6.2rem);
    overflow: hidden;
}

.hero::after {
    position: absolute;
    z-index: -1;
    right: max(-12rem, -9vw);
    bottom: 2.2rem;
    width: min(38vw, 31rem);
    aspect-ratio: 1;
    border: clamp(2rem, 5vw, 5rem) solid rgba(0, 107, 84, 0.1);
    border-radius: 50% 50% 12% 50%;
    content: "";
    transform: rotate(15deg);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, 0.75fr);
    align-items: end;
    gap: clamp(2rem, 6vw, 6rem);
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--brand);
    font-size: 0.77rem;
    font-weight: 760;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    line-height: 1.12;
    text-wrap: balance;
}

h1 {
    max-width: 15ch;
    margin: 0;
    font-size: clamp(2.75rem, 7vw, 5.7rem);
    letter-spacing: -0.058em;
}

h2 {
    margin: 0 0 1rem;
    font-size: clamp(1.9rem, 4vw, 3rem);
    letter-spacing: -0.045em;
}

h3 {
    margin: 0 0 0.65rem;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}

.lede {
    max-width: 42rem;
    margin: 1.5rem 0 0;
    color: var(--ink-soft);
    font-size: clamp(1.08rem, 2vw, 1.34rem);
    line-height: 1.55;
}

.hero-aside {
    padding: 1.45rem;
    border: 1px solid rgba(0, 76, 61, 0.17);
    border-radius: var(--radius);
    background: rgba(255, 253, 248, 0.84);
    box-shadow: var(--shadow);
}

.hero-aside p:last-child {
    margin-bottom: 0;
}

.chips,
.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.chips {
    margin-top: 1.6rem;
}

.version-chip {
    display: inline-flex;
    padding: 0.35rem 0.55rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink-soft);
    background: var(--paper-raised);
    font-size: 0.73rem;
}

.actions {
    margin-top: 2rem;
}

.button {
    display: inline-flex;
    min-height: 2.8rem;
    padding: 0.7rem 1rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--brand-dark);
    border-radius: 0.55rem;
    color: #fff;
    background: var(--brand-dark);
    font-weight: 720;
    text-decoration: none;
    box-shadow: 0 8px 18px rgba(0, 76, 61, 0.14);
}

.button.secondary {
    color: var(--brand-dark);
    background: transparent;
    box-shadow: none;
}

.section {
    padding: clamp(3.8rem, 8vw, 7rem) 0;
    border-top: 1px solid rgba(24, 35, 31, 0.09);
}

.section.compact {
    padding-block: 3rem;
}

.section.tint {
    background: rgba(255, 253, 248, 0.62);
}

.section-heading {
    max-width: 48rem;
    margin-bottom: 2.4rem;
}

.section-heading p {
    margin-bottom: 0;
    color: var(--ink-soft);
    font-size: 1.08rem;
}

.grid-2,
.grid-3,
.metrics {
    display: grid;
    gap: 1rem;
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.card {
    padding: clamp(1.25rem, 3vw, 1.8rem);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper-raised);
}

.card p:last-child,
.card ul:last-child {
    margin-bottom: 0;
}

.card.recommended {
    border-color: rgba(0, 107, 84, 0.42);
    box-shadow: inset 0 0 0 1px rgba(0, 107, 84, 0.11);
}

.card-number {
    display: inline-grid;
    width: 2rem;
    height: 2rem;
    margin-bottom: 1rem;
    border-radius: 50%;
    place-items: center;
    color: var(--brand-dark);
    background: var(--signal);
    font: 700 0.82rem/1 "SFMono-Regular", Consolas, monospace;
}

.card-kicker {
    margin: 0 0 0.55rem;
    color: var(--brand);
    font-size: 0.75rem;
    font-weight: 780;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric {
    padding: 1.2rem;
    border-top: 3px solid var(--brand);
    background: var(--paper-raised);
}

.metric-value {
    display: block;
    color: var(--brand-dark);
    font-size: clamp(1.45rem, 3vw, 2.1rem);
    font-weight: 760;
    line-height: 1.2;
}

.metric-label {
    display: block;
    margin-top: 0.45rem;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.callout {
    margin: 1.5rem 0;
    padding: 1.15rem 1.25rem;
    border: 1px solid rgba(36, 91, 120, 0.3);
    border-left: 0.35rem solid var(--info);
    border-radius: 0.55rem;
    background: var(--info-pale);
}

.callout.warning {
    border-color: rgba(154, 61, 47, 0.28);
    border-left-color: var(--risk);
    background: var(--risk-pale);
}

.callout.tip {
    border-color: rgba(0, 107, 84, 0.3);
    border-left-color: var(--brand);
    background: var(--brand-pale);
}

.callout strong {
    display: block;
    margin-bottom: 0.25rem;
}

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

.page-hero {
    padding: clamp(3.8rem, 8vw, 6.5rem) 0 3.2rem;
}

.page-hero h1 {
    max-width: 18ch;
    font-size: clamp(2.65rem, 6vw, 4.7rem);
}

.page-layout {
    display: grid;
    grid-template-columns: minmax(12rem, 0.28fr) minmax(0, 0.72fr);
    align-items: start;
    gap: clamp(2rem, 6vw, 5rem);
}

.toc {
    position: sticky;
    top: 5.5rem;
    padding: 1rem 0;
}

.toc strong {
    display: block;
    margin-bottom: 0.55rem;
    font-size: 0.83rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.toc a {
    display: block;
    padding: 0.28rem 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
    text-decoration: none;
}

.toc a:hover {
    color: var(--brand-dark);
}

.prose > section {
    margin-bottom: clamp(3.8rem, 8vw, 6rem);
    scroll-margin-top: 6rem;
}

.prose h2 {
    font-size: clamp(1.65rem, 3.5vw, 2.45rem);
}

.prose h3 {
    margin-top: 2rem;
}

.prose li + li {
    margin-top: 0.48rem;
}

.table-wrap {
    max-width: 100%;
    margin: 1.2rem 0 2rem;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 0.75rem;
    background: var(--paper-raised);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.91rem;
}

caption {
    padding: 1rem;
    color: var(--ink-soft);
    font-weight: 650;
    text-align: left;
}

th,
td {
    padding: 0.85rem 0.9rem;
    border-top: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

thead th {
    border-top: 0;
    color: var(--ink);
    background: var(--brand-pale);
    font-size: 0.79rem;
    letter-spacing: 0.035em;
    text-transform: uppercase;
}

tbody th {
    min-width: 10rem;
    font-weight: 720;
}

.status {
    display: inline-flex;
    padding: 0.2rem 0.46rem;
    border-radius: 999px;
    color: var(--brand-dark);
    background: var(--brand-pale);
    font-size: 0.7rem;
    font-weight: 760;
    white-space: nowrap;
}

.status.derived {
    color: #684600;
    background: var(--signal-pale);
}

.status.no {
    color: #7b2d22;
    background: var(--risk-pale);
}

.steps {
    margin: 2rem 0;
    padding: 0;
    list-style: none;
    counter-reset: step;
}

.steps > li {
    position: relative;
    margin: 0;
    padding: 0 0 2rem 3.2rem;
    counter-increment: step;
}

.steps > li::before {
    position: absolute;
    top: 0;
    left: 0;
    display: grid;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    place-items: center;
    color: #fff;
    background: var(--brand);
    content: counter(step);
    font: 700 0.78rem/1 "SFMono-Regular", Consolas, monospace;
}

.steps > li::after {
    position: absolute;
    top: 2.2rem;
    bottom: 0.2rem;
    left: 0.96rem;
    width: 1px;
    background: var(--line);
    content: "";
}

.steps > li:last-child::after {
    content: none;
}

.steps h3 {
    margin: 0 0 0.4rem;
}

.inline-list {
    display: flex;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
}

.language-options {
    display: grid;
    margin-top: 2.5rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.language-options a {
    display: block;
    padding: 1.2rem;
    border: 1px solid var(--line);
    border-radius: 0.75rem;
    color: var(--ink);
    background: var(--paper);
    font-weight: 720;
    text-decoration: none;
}

.language-options a:hover {
    border-color: var(--brand);
    background: var(--brand-pale);
}

.site-footer {
    padding: 2.5rem 0 3.5rem;
    border-top: 1px solid rgba(24, 35, 31, 0.12);
    color: var(--ink-soft);
    background: #ebe9e1;
    font-size: 0.86rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(16rem, 0.65fr);
    gap: 2rem;
}

.footer-grid p {
    max-width: 46rem;
    margin: 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.4rem 1rem;
}

@media (max-width: 58rem) {
    .nav-shell {
        padding-block: 0.6rem;
        align-items: flex-start;
        flex-direction: column;
    }

    .site-nav {
        width: 100%;
        padding-bottom: 0.15rem;
        justify-content: flex-start;
        overflow-x: auto;
    }

    .site-nav a {
        white-space: nowrap;
    }

    .site-nav .language-link {
        margin-left: auto;
    }

    .hero-grid,
    .page-layout {
        grid-template-columns: 1fr;
    }

    .hero-aside {
        max-width: 36rem;
    }

    .toc {
        position: static;
        display: grid;
        padding: 1rem;
        border: 1px solid var(--line);
        border-radius: 0.7rem;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        background: var(--paper-raised);
    }

    .toc strong {
        grid-column: 1 / -1;
    }

    .metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 42rem) {
    body {
        font-size: 0.97rem;
    }

    .site-header {
        position: static;
    }

    .brand {
        padding-left: 0.3rem;
    }

    .site-nav .language-link {
        margin-left: 0;
    }

    .site-nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.35rem;
        overflow: visible;
    }

    .site-nav a {
        width: 100%;
        padding: 0.55rem 0.45rem;
        text-align: center;
        white-space: normal;
    }

    .grid-2,
    .grid-3,
    .language-options,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero::after {
        display: none;
    }

    .hero,
    .page-hero {
        padding-top: 3.2rem;
    }

    h1 {
        font-size: clamp(2.45rem, 14vw, 3.65rem);
    }

    .footer-links {
        justify-content: flex-start;
    }

    .toc {
        grid-template-columns: 1fr;
    }

    th,
    td {
        padding: 0.75rem;
    }
}

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

@media print {
    .site-header,
    .toc,
    .actions,
    .site-footer {
        display: none;
    }

    body {
        background: #fff;
    }

    .page-layout {
        display: block;
    }

    pre,
    .card,
    .table-wrap {
        break-inside: avoid;
        box-shadow: none;
    }
}