:root {
    --paper: #f7f6f3;
    --sheet: #ffffff;
    --soft: #efece6;
    --ink: #141414;
    --ink-2: #4f4b45;
    --ink-3: #6a665f;
    --rule: #dcd7ce;
    --accent: #41151c;
    --accent-soft: #f3e9ea;
    --good: #1d5b36;
    --good-soft: #e3eee6;
    --bad: #8f1d2c;
    --bad-soft: #f6e3e6;
    --font: "Sora", "Helvetica Neue", Arial, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
    --gutter: clamp(1rem, 4vw, 3rem);
    --measure: 70ch;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 1.5rem;
}

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

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font);
    font-size: 1rem;
    line-height: 1.65;
}

a {
    color: var(--accent);
    text-underline-offset: 3px;
}

a:hover {
    text-decoration-thickness: 2px;
}

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

h1,
h2,
h3,
h4 {
    line-height: 1.15;
    margin: 0;
    letter-spacing: -0.01em;
}

p,
ul,
ol {
    margin: 0 0 1rem;
}

ul,
ol {
    padding-left: 1.25rem;
}

li + li {
    margin-top: 0.3rem;
}

code,
pre,
kbd {
    font-family: var(--mono);
    font-size: 0.875em;
}

:not(pre) > code {
    background: var(--soft);
    padding: 0.1em 0.35em;
    border-radius: 2px;
    overflow-wrap: anywhere;
}

pre {
    margin: 0 0 1.25rem;
    padding: 1rem 1.25rem;
    background: var(--ink);
    color: #f1efe9;
    overflow-x: auto;
    line-height: 1.55;
    font-size: 0.8125rem;
}

pre code {
    font-size: inherit;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 1.25rem;
    font-size: 0.9375rem;
}

th,
td {
    text-align: left;
    vertical-align: top;
    padding: 0.55rem 0.75rem 0.55rem 0;
    border-bottom: 1px solid var(--rule);
}

thead th {
    font-weight: 600;
    border-bottom: 1px solid var(--ink);
}

.table-wrap {
    overflow-x: auto;
    margin: 0 0 1.25rem;
}

.table-wrap table {
    margin: 0;
    min-width: 34rem;
}

.skip {
    position: absolute;
    left: 1rem;
    top: -3rem;
    background: var(--ink);
    color: var(--paper);
    padding: 0.5rem 0.75rem;
    z-index: 10;
}

.skip:focus {
    top: 1rem;
}

.top {
    border-bottom: 1px solid var(--ink);
    background: var(--paper);
}

.top-inner {
    max-width: 90rem;
    margin: 0 auto;
    padding: 1rem var(--gutter);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
}

.brand {
    font-weight: 700;
    color: var(--ink);
    text-decoration: none;
    font-size: 1.0625rem;
}

.score {
    font-size: 0.875rem;
    color: var(--ink-2);
    display: flex;
    gap: 0.75rem;
    align-items: baseline;
}

.score strong {
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}

.hero {
    max-width: 90rem;
    margin: 0 auto;
    padding: clamp(2.5rem, 7vw, 6rem) var(--gutter) clamp(2rem, 5vw, 4rem);
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.5rem;
    border-bottom: 1px solid var(--rule);
}

.hero-kicker {
    grid-column: 1 / -1;
    font-size: 0.875rem;
    color: var(--ink-3);
    margin: 0;
}

.hero h1 {
    grid-column: 1 / -1;
    overflow-wrap: break-word;
    font-size: clamp(2.25rem, 1rem + 5vw, 5rem);
    font-weight: 700;
    line-height: 1;
    max-width: 16ch;
}

.hero-lead {
    grid-column: 1 / span 7;
    font-size: 1.1875rem;
    color: var(--ink-2);
    margin: 0;
}

.hero-routes {
    grid-column: 1 / -1;
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--ink);
}

.hero-routes li {
    margin: 0;
    border-right: 1px solid var(--rule);
}

.hero-routes li:last-child {
    border-right: 0;
}

.hero-routes a {
    display: block;
    padding: 1rem 1rem 1rem 0;
    margin-left: 1rem;
    color: var(--ink);
    text-decoration: none;
    height: 100%;
}

.hero-routes li:first-child a {
    margin-left: 0;
}

.hero-routes a:hover strong {
    color: var(--accent);
    text-decoration: underline;
}

.hero-routes strong {
    display: block;
    font-size: 1.0625rem;
}

.hero-routes span {
    display: block;
    font-size: 0.875rem;
    color: var(--ink-2);
    margin-top: 0.25rem;
}

.layout {
    max-width: 90rem;
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: grid;
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 4rem);
}

.toc {
    position: sticky;
    top: 0;
    align-self: start;
    max-height: 100vh;
    overflow-y: auto;
    padding: 2rem 0 3rem;
    font-size: 0.875rem;
}

.toc summary {
    display: none;
}

.toc h2 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--ink-3);
    margin: 1.25rem 0 0.4rem;
}

.toc h2:first-of-type {
    margin-top: 0;
}

.toc ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc li {
    margin: 0;
}

.toc a {
    display: block;
    padding: 0.2rem 0 0.2rem 0.75rem;
    border-left: 1px solid var(--rule);
    color: var(--ink-2);
    text-decoration: none;
}

.toc a:hover {
    color: var(--ink);
    border-left-color: var(--ink);
}

.toc a[aria-current="true"] {
    color: var(--accent);
    border-left: 2px solid var(--accent);
    padding-left: calc(0.75rem - 1px);
    font-weight: 600;
}

.content {
    padding: 2rem 0 5rem;
    min-width: 0;
}

.part {
    padding-top: 1rem;
}

.part-head {
    border-top: 2px solid var(--ink);
    padding: 1rem 0 2rem;
    display: grid;
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 1rem;
}

.part-head p {
    margin: 0;
}

.part-num {
    font-size: 0.875rem;
    color: var(--ink-3);
    padding-top: 0.5rem;
}

.part-head h2 {
    font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
    font-weight: 700;
}

.part-intro {
    grid-column: 2;
    color: var(--ink-2);
    max-width: var(--measure);
}

.fiche {
    border-top: 1px solid var(--rule);
    padding: 2rem 0 2.5rem;
}

.fiche-head {
    display: grid;
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.fiche-num {
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 600;
    padding-top: 0.35rem;
}

.fiche-head h3 {
    font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem);
    font-weight: 700;
}

.fiche-sub {
    color: var(--ink-3);
    font-size: 0.9375rem;
    margin: 0.35rem 0 0;
}

.fiche-body {
    margin-left: 8rem;
    max-width: 52rem;
}

.fiche-body > p,
.fiche-body > ul,
.fiche-body > ol {
    max-width: var(--measure);
}

.fiche h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin: 1.75rem 0 0.6rem;
}

.fiche h4:first-child {
    margin-top: 0;
}

.quote {
    border-left: 2px solid var(--ink);
    padding: 0.1rem 0 0.1rem 1rem;
    margin: 0 0 1.25rem;
    font-size: 1.0625rem;
    max-width: var(--measure);
}

.note {
    background: var(--sheet);
    border: 1px solid var(--rule);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
}

.note > :last-child {
    margin-bottom: 0;
}

.note-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.note-stages {
    background: var(--accent-soft);
    border-color: transparent;
}

.note-stages .note-title {
    color: var(--accent);
}

.note-trap {
    border-left: 3px solid var(--ink);
}

.flag {
    font-size: 0.8125rem;
    color: var(--ink-3);
    font-style: italic;
}

.quiz-block {
    margin-top: 2rem;
}

.quiz-block > h4 {
    margin-bottom: 0.75rem;
}

.quiz {
    background: var(--sheet);
    border: 1px solid var(--rule);
    padding: 1.1rem 1.25rem 1.25rem;
    margin: 0 0 0.75rem;
}

.quiz-q {
    font-weight: 600;
    margin: 0 0 0.75rem;
}

.quiz-options {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.4rem;
}

.quiz-options li {
    margin: 0;
}

.quiz-options button {
    width: 100%;
    text-align: left;
    font: inherit;
    font-size: 0.9375rem;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--rule);
    padding: 0.55rem 0.75rem;
    cursor: pointer;
    display: flex;
    gap: 0.75rem;
    align-items: baseline;
}

.quiz-options button:hover:not(:disabled) {
    border-color: var(--ink);
}

.quiz-options button:disabled {
    cursor: default;
}

.quiz-letter {
    font-weight: 600;
    color: var(--ink-3);
    min-width: 1.1rem;
}

.quiz-options button.is-good {
    background: var(--good-soft);
    border-color: var(--good);
}

.quiz-options button.is-bad {
    background: var(--bad-soft);
    border-color: var(--bad);
}

.quiz-tag {
    margin-left: auto;
    font-size: 0.8125rem;
    font-weight: 600;
    white-space: nowrap;
}

.is-good .quiz-tag {
    color: var(--good);
}

.is-bad .quiz-tag {
    color: var(--bad);
}

.quiz-explain {
    margin: 0.85rem 0 0;
    font-size: 0.9375rem;
    color: var(--ink-2);
}

.quiz-explain strong {
    color: var(--ink);
}

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

.steps > li {
    counter-increment: step;
    border-top: 1px solid var(--rule);
    padding: 1.25rem 0 0.5rem;
    margin: 0;
    display: grid;
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: 1rem;
}

.steps > li::before {
    content: "Étape " counter(step);
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 600;
    padding-top: 0.1rem;
}

.steps h4 {
    margin: 0 0 0.6rem;
    font-size: 1.0625rem;
}

.step-body {
    max-width: 52rem;
    min-width: 0;
}

details.oral {
    border-top: 1px solid var(--rule);
    padding: 0.75rem 0;
}

details.oral:last-of-type {
    border-bottom: 1px solid var(--rule);
}

details.oral summary {
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    display: flex;
    gap: 1rem;
    justify-content: space-between;
}

details.oral summary::-webkit-details-marker {
    display: none;
}

details.oral summary::after {
    content: "Voir la réponse";
    font-weight: 400;
    font-size: 0.8125rem;
    color: var(--accent);
    white-space: nowrap;
    padding-top: 0.15rem;
}

details.oral[open] summary::after {
    content: "Masquer";
}

details.oral > div {
    padding: 0.75rem 0 0.25rem;
    color: var(--ink-2);
    max-width: var(--measure);
}

details.oral > div > :last-child {
    margin-bottom: 0;
}

.oral-group {
    font-size: 1.0625rem;
    margin: 2rem 0 0.5rem;
}

.figure-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--ink);
    margin: 0 0 1.5rem;
}

.figure-row > div {
    padding: 0.85rem 1rem 0.85rem 0;
    border-right: 1px solid var(--rule);
}

.figure-row > div + div {
    padding-left: 1rem;
}

.figure-row > div:last-child {
    border-right: 0;
}

.figure-row strong {
    display: block;
    font-size: 1.125rem;
}

.figure-row span {
    font-size: 0.875rem;
    color: var(--ink-2);
}

.reset {
    font: inherit;
    font-size: 0.8125rem;
    background: none;
    border: 1px solid var(--rule);
    padding: 0.2rem 0.6rem;
    cursor: pointer;
    color: var(--ink-2);
}

.reset:hover {
    border-color: var(--ink);
    color: var(--ink);
}

.footer {
    border-top: 1px solid var(--ink);
    max-width: 90rem;
    margin: 0 auto;
    padding: 1.5rem var(--gutter) 3rem;
    font-size: 0.875rem;
    color: var(--ink-3);
}

@media (max-width: 1100px) {
    .fiche-body {
        margin-left: 0;
    }

    .fiche-head,
    .part-head {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .part-intro {
        grid-column: 1;
    }
}

@media (max-width: 860px) {
    .layout {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
    }

    .toc {
        position: static;
        max-height: none;
        padding: 1rem 0 0;
        border-bottom: 1px solid var(--rule);
    }

    .toc summary {
        display: block;
        cursor: pointer;
        font-weight: 600;
        padding: 0.5rem 0 1rem;
    }

    .toc[open] {
        padding-bottom: 1rem;
    }

    .hero-lead {
        grid-column: 1 / -1;
    }

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

    .hero-routes li:nth-child(2) {
        border-right: 0;
    }

    .hero-routes li:nth-child(n + 3) {
        border-top: 1px solid var(--rule);
    }

    .hero-routes li:nth-child(3) a {
        margin-left: 0;
    }

    .steps > li {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .figure-row {
        grid-template-columns: 1fr;
    }

    .figure-row > div,
    .figure-row > div + div {
        border-right: 0;
        border-bottom: 1px solid var(--rule);
        padding-left: 0;
    }
}

@media (max-width: 520px) {
    .hero-routes {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-routes li {
        border-right: 0;
        border-top: 1px solid var(--rule);
    }

    .hero-routes li:first-child {
        border-top: 0;
    }

    .hero-routes a {
        margin-left: 0;
    }

    pre {
        margin-left: calc(var(--gutter) * -1);
        margin-right: calc(var(--gutter) * -1);
    }
}

@media print {
    .toc,
    .score,
    .skip {
        display: none;
    }

    .layout {
        display: block;
    }

    pre {
        white-space: pre-wrap;
        background: none;
        color: var(--ink);
        border: 1px solid var(--rule);
    }

    details.oral > div {
        display: block;
    }
}