:root {
  --ink: #151515;
  --ink-soft: #393939;
  --muted: #666666;
  --line: #dddddd;
  --line-dark: #3c3c3c;
  --paper: #ffffff;
  --wash: #f4f4f4;
  --navy: #262626;
  --navy-deep: #101010;
  --cyan: #4b4b4b;
  --cyan-dark: #252525;
  --gold: #bdbdbd;
  --gold-soft: #eeeeee;
  --green: #171717;
  --green-soft: #e9e9e9;
  --red: #555555;
  --red-soft: #f5f5f5;
  --level-easy: #197643;
  --level-easy-bright: #70d99a;
  --level-medium: #a94f00;
  --level-medium-bright: #ffae5c;
  --level-expert: #a9231b;
  --level-expert-bright: #ff827a;
  --shadow: 0 22px 60px rgb(0 0 0 / 14%);
  --shadow-small: 0 12px 32px rgb(0 0 0 / 10%);
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --content: 1600px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.65; text-rendering: optimizeLegibility; }
body.menu-open, body.quiz-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
button, input { font: inherit; }
button { cursor: pointer; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 3px solid #777; outline-offset: 3px; }
[id] { scroll-margin-top: 7rem; }
.skip-link { position: fixed; z-index: 1000; top: .5rem; left: .5rem; padding: .7rem 1rem; color: #fff; background: var(--ink); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - 3rem), var(--content)); margin-inline: auto; }
.container-narrow { width: min(calc(100% - 3rem), 920px); margin-inline: auto; }

.site-header { position: relative; z-index: 50; color: #fff; background: #090909; border-bottom: 1px solid rgb(255 255 255 / 14%); }
.nav-shell { width: min(calc(100% - 3rem), var(--content)); min-height: 76px; margin-inline: auto; display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-grid; grid-template-columns: 34px auto; align-items: center; column-gap: .7rem; color: #fff; text-decoration: none; white-space: nowrap; font-size: 1.08rem; font-weight: 780; letter-spacing: -.025em; }
.brand-mark { grid-row: 1 / span 2; width: 34px; height: 34px; display: grid; place-items: center; color: #d8d8d8; border: 1px solid rgb(255 255 255 / 42%); border-radius: 50%; font-family: var(--serif); font-size: 1.15rem; }
.brand small { color: #b7b7b7; font-size: .7em; font-weight: 500; }
.brand em { grid-column: 2; color: #8f8f8f; font-size: .62rem; font-style: normal; font-weight: 650; letter-spacing: .13em; line-height: 1; text-transform: uppercase; }
.main-nav { margin-left: auto; }
.main-nav ul { margin: 0; padding: 0; display: flex; align-items: center; gap: clamp(1rem, 1.7vw, 2rem); list-style: none; }
.main-nav a { position: relative; display: block; padding: 1.65rem 0 1.5rem; color: #d4d4d4; text-decoration: none; font-size: .84rem; font-weight: 760; letter-spacing: .045em; text-transform: uppercase; }
.main-nav a::after { content: ''; position: absolute; right: 0; bottom: 1rem; left: 0; height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 180ms ease; }
.main-nav a:hover, .main-nav a[aria-current='page'] { color: #fff; }
.main-nav a:hover::after, .main-nav a[aria-current='page']::after { transform: scaleX(1); }
.menu-button { display: none; margin-left: auto; padding: .65rem .9rem; color: #fff; background: transparent; border: 1px solid rgb(255 255 255 / 35%); }

.breadcrumb { margin: 0 auto; padding-block: 1rem; display: flex; flex-wrap: wrap; gap: .5rem; color: var(--muted); font-size: .85rem; }
.breadcrumb a { color: var(--cyan-dark); text-decoration: none; }
.breadcrumb span::before { content: '/'; margin-right: .5rem; color: #aaaaaa; }
.breadcrumb span:first-child::before { display: none; }
.eyebrow { margin: 0 0 .7rem; color: var(--cyan-dark); font-size: .76rem; font-weight: 820; letter-spacing: .15em; line-height: 1.25; text-transform: uppercase; }
h1, h2, h3 { overflow-wrap: normal; word-break: normal; hyphens: none; text-wrap: balance; }
p, li, dd, a { overflow-wrap: break-word; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: .75rem 1.15rem; color: #fff; background: var(--cyan-dark); border: 1px solid var(--cyan-dark); border-radius: 0; font-size: .87rem; font-weight: 800; letter-spacing: .03em; line-height: 1.2; text-decoration: none; }
.button:hover { color: #fff; background: var(--navy); border-color: var(--navy); }
.button-light { color: var(--navy-deep); background: #fff; border-color: #fff; }
.button-light:hover { color: var(--navy-deep); background: var(--gold-soft); border-color: var(--gold-soft); }
.button-secondary { color: var(--navy-deep); background: #fff; border-color: #777; }
.text-link { color: var(--cyan-dark); font-size: .9rem; font-weight: 800; }
.section { padding-block: clamp(4.5rem, 7vw, 7rem); }
.section-wash { background: var(--wash); }
.section-dark { color: #fff; background: var(--navy-deep); }
.section-heading { max-width: 760px; margin: 0 auto 2.6rem; text-align: center; }
.section-heading-left { max-width: 850px; margin-left: 0; text-align: left; }
.section-heading h2, .reference-heading h2, .method-grid h2, .editorial-signature h2, .category-guide h2, .category-feature h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.1rem, 4vw, 4.25rem); letter-spacing: -.045em; line-height: .98; }
.section-heading > p:last-child { max-width: 720px; margin: 1rem 0 0; color: var(--muted); font-size: 1.05rem; }
.section-dark .eyebrow, .direct-answers .eyebrow { color: var(--gold); }
.section-dark .section-heading > p:last-child { color: #c7c7c7; }

/* Accueil */
.home-intro { padding-block: clamp(1.5rem, 3vw, 3rem) clamp(3rem, 5vw, 5rem); background: #fff; border-bottom: 1px solid var(--line); }
.home-intro-grid { min-height: 720px; display: grid; grid-template-columns: minmax(0, .95fr) minmax(470px, 1.05fr); align-items: stretch; gap: 0; overflow: hidden; color: #fff; background: #111; box-shadow: var(--shadow); }
.home-manifesto { align-self: stretch; padding: clamp(3rem, 5vw, 5.5rem); display: flex; flex-direction: column; justify-content: center; }
.home-manifesto h1 { max-width: 780px; margin: 0; font-family: var(--serif); font-size: clamp(3.5rem, 5vw, 5.9rem); letter-spacing: -.055em; line-height: .9; }
.home-manifesto h1 em { color: #d4d4d4; font-style: italic; font-weight: 400; }
.home-lead { max-width: 680px; margin: 1.8rem 0 0; color: #d0d0d0; font-size: clamp(1.05rem, 1.25vw, 1.2rem); line-height: 1.55; }
.home-manifesto .eyebrow { color: #c8c8c8; }
.home-manifesto .button { color: #111; background: #fff; border-color: #fff; }
.home-manifesto .button:hover { color: #fff; background: #333; border-color: #777; }
.home-manifesto .text-link { color: #fff; }
.home-actions, .hero-actions, .lead-story-actions { margin-top: 1.8rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; }
.home-proof { margin: 2.8rem 0 0; padding: 1.5rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; border-top: 1px solid #555; }
.home-proof div { min-width: 0; }
.home-proof dt { font-family: var(--serif); font-size: 2.35rem; font-weight: 700; line-height: 1; }
.home-proof dd { margin: .45rem 0 0; color: #bdbdbd; font-size: .8rem; font-weight: 700; line-height: 1.35; }
.lead-story { position: relative; min-height: 720px; display: flex; align-items: end; color: #fff; background: #222; box-shadow: none; }
.lead-story-image { position: relative; min-height: 0; overflow: hidden; }
.lead-story-image { position: absolute; inset: 0; }
.lead-story-image picture, .lead-story-image img { width: 100%; height: 100%; }
.lead-story-image img { object-fit: cover; transition: transform 400ms ease; }
.lead-story:hover .lead-story-image img { transform: scale(1.025); }
.lead-story-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 34%, rgb(0 0 0 / 86%) 100%); }
.lead-story-image > span { position: absolute; z-index: 2; top: 1.2rem; right: 1.2rem; padding: .55rem .8rem; color: #111; background: #fff; font-size: .78rem; font-weight: 850; text-transform: uppercase; }
.lead-story > div { position: relative; z-index: 2; padding: 2.4rem clamp(1.5rem, 3vw, 3rem) 2.8rem; }
.lead-story h2 { margin: 0; font-family: var(--serif); font-size: clamp(2rem, 3vw, 3.35rem); line-height: 1; }
.lead-story h2 a { text-decoration: none; }
.lead-story p:not(.eyebrow) { margin: .85rem 0 0; color: #dddddd; }
.lead-story .eyebrow { color: var(--gold); }
.lead-story-actions a:not(.button) { color: #fff; font-size: .9rem; font-weight: 780; }
.collection-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.collection-card { position: relative; min-height: 220px; display: grid; grid-template-columns: 40px minmax(0, 1fr) 40px 128px; align-items: center; gap: 1.2rem; padding: 1.5rem 0; color: inherit; border-bottom: 1px solid var(--line); text-decoration: none; }
.collection-card:nth-child(odd) { padding-right: 2.2rem; border-right: 1px solid var(--line); }
.collection-card:nth-child(even) { padding-left: 2.2rem; }
.collection-number { align-self: start; color: var(--cyan-dark); font-family: var(--serif); font-size: 1.1rem; font-weight: 700; }
.collection-card h3 { margin: 0; font-family: var(--serif); font-size: 1.65rem; line-height: 1.05; }
.collection-card p { margin: .6rem 0; color: var(--muted); font-size: .94rem; line-height: 1.5; }
.collection-card strong { color: var(--cyan-dark); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.collection-arrow { font-size: 1.6rem; transition: transform 180ms ease; }
.collection-card:hover .collection-arrow { transform: translateX(.35rem); }
.collection-thumb { width: 128px; height: 138px; overflow: hidden; background: var(--wash); }
.collection-thumb picture, .collection-thumb img { width: 100%; height: 100%; }
.collection-thumb img { object-fit: cover; }
.direct-answers { padding-block: clamp(4.5rem, 7vw, 7rem); }
.direct-answer-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); border-left: 1px solid var(--line-dark); }
.direct-answer-grid article { min-height: 310px; padding: 2rem; display: flex; flex-direction: column; border-right: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.direct-answer-grid article > span { color: var(--gold); font-size: .72rem; font-weight: 820; letter-spacing: .12em; text-transform: uppercase; }
.direct-answer-grid h3 { margin: 1.4rem 0 0; font-family: var(--serif); font-size: 1.45rem; line-height: 1.15; }
.direct-answer-grid p { margin: 1rem 0; color: #c9c9c9; font-size: .94rem; }
.direct-answer-grid p strong { color: #fff; }
.direct-answer-grid a { margin-top: auto; color: #fff; font-size: .82rem; font-weight: 800; }
.editorial-grid-home { display: grid; grid-template-columns: minmax(0, 2fr) minmax(330px, .8fr); gap: 2.5rem; align-items: start; }
.primary-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem; }
.new-quizzes { padding: 2rem; background: var(--wash); border-top: 5px solid var(--navy); }
.new-quizzes > h3 { margin: 0 0 1.5rem; font-family: var(--serif); font-size: 2rem; line-height: 1.05; }
.new-quizzes > a { display: grid; grid-template-columns: 36px 1fr; gap: 1rem; padding: 1.2rem 0; border-top: 1px solid var(--line); text-decoration: none; }
.new-quizzes > a > span { color: var(--cyan-dark); font-family: var(--serif); font-weight: 700; }
.new-quizzes a strong { font-family: var(--serif); font-size: 1.15rem; }
.new-quizzes a p { margin: .35rem 0 0; color: var(--muted); font-size: .85rem; line-height: 1.45; }
.method-section { padding-block: clamp(4.5rem, 7vw, 7rem); }
.method-grid { display: grid; grid-template-columns: minmax(300px, .75fr) minmax(0, 1.25fr); gap: clamp(3rem, 7vw, 7rem); align-items: start; }
.method-grid > div:first-child > p:not(.eyebrow) { color: var(--muted); font-size: 1.05rem; }
.method-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.method-steps > div { min-height: 205px; padding: 1.6rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.method-steps span { color: var(--cyan-dark); font-family: var(--serif); font-size: 1.15rem; font-weight: 700; }
.method-steps h3 { margin: 2rem 0 0; font-family: var(--serif); font-size: 1.45rem; }
.method-steps p { margin: .4rem 0 0; color: var(--muted); font-size: .9rem; }
.visual-index { overflow: hidden; }
.mosaic { display: grid; grid-template-columns: 1fr 1fr 1.7fr; grid-template-rows: repeat(2, minmax(260px, 24vw)); background: #000; }
.mosaic-card { position: relative; min-height: 0; overflow: hidden; }
.mosaic-card:nth-child(3) { grid-column: 3; grid-row: 1 / span 2; }
.mosaic-picture, .mosaic-picture img { width: 100%; height: 100%; }
.mosaic-card img { object-fit: cover; opacity: .76; transition: transform 400ms ease, opacity 300ms ease; }
.mosaic-card:hover img { opacity: .92; transform: scale(1.025); }
.mosaic-card a { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: end; padding: 1.6rem; color: #fff; background: linear-gradient(transparent 42%, rgb(0 0 0 / 72%)); text-decoration: none; }
.mosaic-card a span { color: var(--gold-soft); font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.mosaic-card h3 { margin: .35rem 0 0; font-family: var(--serif); font-size: clamp(1.55rem, 2.4vw, 2.9rem); line-height: 1; }
.editorial-signature { padding-block: 3.5rem; border-bottom: 1px solid var(--line); }
.editorial-signature > .container { display: grid; grid-template-columns: minmax(300px, .9fr) minmax(350px, 1.1fr) auto; align-items: center; gap: 3rem; }
.editorial-signature h2 { font-size: clamp(2rem, 3vw, 3.25rem); }
.editorial-signature > .container > p { color: var(--muted); }
.editorial-signature > .container > div:last-child { display: grid; gap: .6rem; font-size: .86rem; font-weight: 750; }

/* Cartes */
.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.4rem; }
.quiz-card { min-width: 0; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-small); transition: transform 180ms ease, box-shadow 180ms ease; }
.quiz-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-visual { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--wash); }
.card-visual picture, .card-visual img { width: 100%; height: 100%; }
.card-visual img { object-fit: cover; transition: transform 300ms ease; }
.quiz-card:hover .card-visual img { transform: scale(1.035); }
.card-body { flex: 1; padding: 1.35rem; display: flex; flex-direction: column; }
.card-meta { display: flex; flex-wrap: wrap; gap: .5rem; color: var(--cyan-dark); font-size: .69rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.card-meta span + span::before { content: '·'; margin-right: .5rem; color: var(--gold); }
.quiz-card .card-meta span:last-child { color: var(--difficulty-accent); }
.quiz-card h3 { margin: .7rem 0 0; font-family: var(--serif); font-size: clamp(1.35rem, 1.8vw, 1.7rem); line-height: 1.08; }
.quiz-card h3 a { text-decoration: none; }
.quiz-card p { margin: .8rem 0 1.1rem; color: var(--muted); font-size: .9rem; line-height: 1.52; }
.card-link { margin-top: auto; color: var(--cyan-dark); font-size: .76rem; font-weight: 850; letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }

/* Catégories */
.category-intro { padding-block: clamp(3.8rem, 6vw, 6.5rem); background: #f4f4f4; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.category-intro-inner { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr); gap: clamp(3rem, 8vw, 8rem); align-items: end; }
.category-intro h1 { margin: 0; max-width: 850px; font-family: var(--serif); font-size: clamp(3.6rem, 7vw, 7.5rem); letter-spacing: -.065em; line-height: .86; }
.category-lead { max-width: 760px; margin: 1.6rem 0 0; color: var(--ink-soft); font-size: 1.15rem; }
.category-summary > p { margin: 0; color: var(--muted); font-size: 1.05rem; }
.category-summary dl { margin: 1.7rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.category-summary dl div { padding: 1rem .8rem 0 0; }
.category-summary dt { color: var(--muted); font-size: .68rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.category-summary dd { margin: .35rem 0 0; font-family: var(--serif); font-size: 1.35rem; font-weight: 700; line-height: 1.1; }
.category-feature { padding-block: 3.25rem; color: #fff; background: var(--navy-deep); }
.category-feature-grid { display: grid; grid-template-columns: minmax(420px, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.category-feature-image { height: 440px; overflow: hidden; box-shadow: 0 18px 42px rgb(0 0 0 / 34%); }
.category-feature-image picture, .category-feature-image img { width: 100%; height: 100%; }
.category-feature-image img { object-fit: cover; }
.category-feature .eyebrow { color: var(--gold); }
.category-feature h2 { font-size: clamp(2.6rem, 4.5vw, 5rem); }
.category-feature p { color: #cccccc; }
.category-feature ul { margin: 1.4rem 0; padding: 0; display: grid; gap: .55rem; list-style: none; }
.category-feature li { padding-left: 1.2rem; border-left: 2px solid var(--gold); font-size: .92rem; }
.category-listing { padding-top: 5.5rem; }
.listing-toolbar { margin-bottom: 2rem; display: flex; justify-content: space-between; align-items: end; gap: 2rem; }
.listing-toolbar h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1; }
.listing-toolbar > div > p:last-child { margin: .7rem 0 0; color: var(--muted); }
.search-field { width: min(100%, 340px); display: grid; gap: .45rem; color: var(--ink-soft); font-size: .78rem; font-weight: 780; }
.search-field input { width: 100%; min-height: 50px; padding: .7rem .9rem; color: var(--ink); background: #fff; border: 1px solid #aaaaaa; border-radius: 0; }
.category-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.empty-results { padding: 2rem; background: var(--wash); text-align: center; }
.quick-answers { padding-block: 5rem; }
.quick-answer-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.quick-answer-grid article { min-height: 250px; padding: 1.8rem; display: flex; flex-direction: column; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quick-answer-grid article > p { margin: 0; font-family: var(--serif); font-size: 1.4rem; font-weight: 700; line-height: 1.15; }
.quick-answer-grid article > strong { margin-top: 1rem; color: var(--cyan-dark); font-size: 1rem; }
.quick-answer-grid article > span { margin-top: .35rem; color: var(--muted); font-size: .92rem; }
.quick-answer-grid article > a { margin-top: auto; padding-top: 1rem; color: var(--cyan-dark); font-size: .8rem; font-weight: 800; }
.category-guide { padding-block: 5.5rem; }
.category-guide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(3rem, 8vw, 8rem); }
.category-guide-grid > div:last-child { padding: 2rem; background: var(--wash); border-top: 4px solid var(--cyan-dark); }
.category-guide h3 { margin: 0; font-family: var(--serif); font-size: 1.7rem; }
.category-guide p, .category-guide li { color: var(--muted); }

/* Pages de formats */
.format-navigation { color: #d6d6d6; background: #151515; border-top: 1px solid #353535; border-bottom: 1px solid #353535; }
.format-navigation .container { min-height: 54px; display: flex; align-items: stretch; overflow-x: auto; }
.format-navigation span { padding: 1rem 1.2rem 1rem 0; display: flex; align-items: center; color: #929292; font-size: .68rem; font-weight: 820; letter-spacing: .1em; white-space: nowrap; text-transform: uppercase; }
.format-navigation a { padding: .9rem 1.2rem; display: flex; align-items: center; border-left: 1px solid #353535; font-size: .78rem; font-weight: 780; text-decoration: none; white-space: nowrap; }
.format-navigation a:last-child { border-right: 1px solid #353535; }
.format-navigation a:hover, .format-navigation a[aria-current='page'] { color: #111; background: #fff; }
.format-hero { padding-block: clamp(2.5rem, 5vw, 5rem); background: #fff; }
.format-hero-grid { min-height: 630px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(480px, 1.1fr); overflow: hidden; color: #fff; background: #111; box-shadow: var(--shadow); }
.format-hero-copy { padding: clamp(3rem, 5.5vw, 6rem); display: flex; flex-direction: column; justify-content: center; }
.format-hero-copy .eyebrow { color: #c9c9c9; }
.format-hero-copy h1 { max-width: 760px; margin: 0; font-family: var(--serif); font-size: clamp(3.8rem, 6vw, 6.7rem); letter-spacing: -.06em; line-height: .9; }
.format-hero-copy > p:not(.eyebrow) { max-width: 680px; margin: 1.5rem 0 0; color: #d0d0d0; font-size: 1.08rem; }
.format-primary-action { width: fit-content; min-height: 58px; margin-top: 1.8rem; padding-inline: 1.4rem; color: #111; background: #fff; border-color: #fff; }
.format-primary-action:hover { background: #d8d8d8; border-color: #d8d8d8; }
.format-primary-action span { margin-left: 1.5rem; font-family: var(--serif); font-size: 1.4rem; }
.format-hero-copy dl { margin: 2.7rem 0 0; padding: 1.4rem 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid #4b4b4b; }
.format-hero-copy dl div { padding-right: 1rem; }
.format-hero-copy dt { font-family: var(--serif); font-size: 2.15rem; font-weight: 700; line-height: 1; }
.format-hero-copy dd { margin: .45rem 0 0; color: #adadad; font-size: .7rem; font-weight: 750; letter-spacing: .06em; line-height: 1.35; text-transform: uppercase; }
.format-hero-visual { position: relative; min-height: 630px; overflow: hidden; }
.format-hero-visual picture, .format-hero-visual img { width: 100%; height: 100%; }
.format-hero-visual img { object-fit: cover; }
.format-hero-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgb(17 17 17 / 34%), transparent 38%), linear-gradient(180deg, transparent 55%, rgb(0 0 0 / 66%)); }
.format-hero-visual > span { position: absolute; z-index: 2; right: 2rem; bottom: 2rem; padding: 1rem 1.2rem; color: #111; background: #fff; font-family: var(--serif); font-size: 1.05rem; font-weight: 700; line-height: 1.25; }
.format-principles { padding-block: clamp(4.5rem, 7vw, 7rem); }
.format-principle-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.format-principle-grid article { min-height: 255px; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.format-principle-grid article > span { font-family: var(--serif); font-size: 1.1rem; font-weight: 700; }
.format-principle-grid h3 { margin: 3.5rem 0 0; font-family: var(--serif); font-size: 1.55rem; line-height: 1.1; }
.format-principle-grid p { margin: .7rem 0 0; color: var(--muted); font-size: .92rem; }
.format-selection .card-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.format-definition { padding-block: clamp(4.5rem, 7vw, 7rem); color: #fff; background: #151515; }
.format-definition-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); align-items: start; gap: clamp(3rem, 8vw, 8rem); }
.format-definition h2 { max-width: 760px; margin: 0; font-family: var(--serif); font-size: clamp(2.6rem, 4.5vw, 5rem); letter-spacing: -.045em; line-height: .98; }
.format-definition .eyebrow { color: #bdbdbd; }
.format-definition-grid > div:last-child { color: #cccccc; font-size: 1.05rem; }
.format-definition a { color: #fff; font-weight: 780; }
.level-guide, .theme-questionnaires { padding-block: clamp(4.5rem, 7vw, 7rem); }
.level-guide-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.4rem; }
.level-guide-grid article { min-height: 240px; padding: 2rem; display: flex; flex-direction: column; background: #fff; border-top: 5px solid var(--difficulty-accent); box-shadow: var(--shadow-small); }
.level-guide-grid strong { color: var(--difficulty-accent); font-family: var(--serif); font-size: 1.75rem; }
.level-guide-grid span { margin-top: .35rem; font-size: .72rem; font-weight: 820; letter-spacing: .1em; text-transform: uppercase; }
.level-guide-grid p { margin-top: auto; color: var(--muted); }
.theme-questionnaire-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.theme-questionnaire-grid article { min-height: 320px; padding: 2rem; display: flex; flex-direction: column; background: #fff; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.theme-questionnaire-grid article > span { color: var(--muted); font-size: .7rem; font-weight: 820; letter-spacing: .09em; text-transform: uppercase; }
.theme-questionnaire-grid h3 { margin: 1rem 0 0; font-family: var(--serif); font-size: 1.65rem; }
.theme-questionnaire-grid p { color: var(--muted); font-size: .9rem; }
.theme-questionnaire-grid .theme-question { padding-top: 1rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-family: var(--serif); font-size: 1rem; font-weight: 700; }
.theme-questionnaire-grid a { margin-top: auto; font-size: .8rem; font-weight: 820; }
.questions-hero { padding-block: clamp(5rem, 8vw, 8rem); color: #fff; background: #111; }
.questions-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 4rem; }
.questions-hero h1 { max-width: 950px; margin: 0; font-family: var(--serif); font-size: clamp(4rem, 7vw, 7.6rem); letter-spacing: -.065em; line-height: .88; }
.questions-hero p:not(.eyebrow) { max-width: 790px; margin: 1.7rem 0 0; color: #d0d0d0; font-size: 1.08rem; }
.questions-hero .eyebrow { color: #bdbdbd; }
.questions-number { min-width: 230px; padding: 1.4rem 0 0 1.8rem; border-top: 1px solid #707070; border-left: 1px solid #707070; }
.questions-number strong { display: block; font-family: var(--serif); font-size: 5.7rem; letter-spacing: -.06em; line-height: .8; }
.questions-number span { display: block; margin-top: 1rem; color: #adadad; font-size: .74rem; font-weight: 780; letter-spacing: .09em; line-height: 1.6; text-transform: uppercase; }
.question-theme-nav { position: sticky; z-index: 24; top: 0; color: #d6d6d6; background: #202020; border-bottom: 1px solid #3b3b3b; }
.question-theme-nav .container { display: flex; overflow-x: auto; }
.question-theme-nav a { padding: 1rem 1.3rem; border-left: 1px solid #3b3b3b; font-size: .76rem; font-weight: 780; text-decoration: none; white-space: nowrap; }
.question-theme-nav a:last-child { border-right: 1px solid #3b3b3b; }
.question-theme-nav a:hover { color: #111; background: #fff; }
.questions-intro { padding-block: 4.5rem; }
.question-directory { padding-block: 2rem 7rem; }
.question-theme { padding-block: 5rem; border-bottom: 1px solid var(--line); }
.question-theme-heading { margin-bottom: 2rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 2rem; }
.question-theme-heading .eyebrow { grid-column: 1; }
.question-theme-heading h2 { grid-column: 1; margin: -.3rem 0 0; font-family: var(--serif); font-size: clamp(2.8rem, 5vw, 5.3rem); letter-spacing: -.05em; line-height: .95; }
.question-theme-heading > a { grid-column: 2; grid-row: 1 / span 2; font-size: .82rem; font-weight: 800; }
.question-set-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.question-set { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.question-set summary { min-height: 105px; padding: 1.4rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; cursor: pointer; list-style: none; }
.question-set summary::-webkit-details-marker { display: none; }
.question-set summary strong { display: block; font-family: var(--serif); font-size: 1.35rem; line-height: 1.1; }
.question-set summary small { display: block; margin-top: .35rem; color: var(--muted); font-size: .68rem; font-weight: 760; letter-spacing: .07em; text-transform: uppercase; }
.question-set summary > span:last-child { font-family: var(--serif); font-size: 1.8rem; transition: transform 180ms ease; }
.question-set[open] summary { background: #f2f2f2; }
.question-set[open] summary > span:last-child { transform: rotate(45deg); }
.question-set ol { margin: 0; padding: 0 1.4rem; list-style: none; border-top: 1px solid var(--line); }
.question-set li { border-bottom: 1px solid var(--line); }
.question-set li a { padding: .9rem 0; display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: .7rem; font-size: .9rem; line-height: 1.45; text-decoration: none; }
.question-set li a span { color: var(--muted); font-family: var(--serif); font-weight: 700; }
.question-set li a:hover { text-decoration: underline; }
.question-set-action { margin: 1.3rem; display: inline-block; font-size: .78rem; font-weight: 820; }

/* Quiz */
.quiz-hero { padding: 0; }
.quiz-hero-media { position: relative; min-height: clamp(640px, 74vh, 820px); overflow: hidden; color: #fff; background: #111; }
.quiz-hero-media > picture, .quiz-hero-media > picture img { width: 100%; height: 100%; }
.quiz-hero-media > picture { position: absolute; inset: 0; }
.quiz-hero-media > picture img { object-fit: cover; object-position: center; }
.quiz-hero-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgb(0 0 0 / 88%) 0, rgb(0 0 0 / 68%) 34%, rgb(0 0 0 / 18%) 66%, transparent 100%), linear-gradient(180deg, transparent 47%, rgb(0 0 0 / 55%) 100%); pointer-events: none; }
.quiz-hero-overlay { position: relative; z-index: 2; min-height: clamp(640px, 74vh, 820px); display: flex; align-items: center; }
.quiz-hero-overlay .page-copy { width: min(700px, 58vw); padding-block: clamp(3rem, 7vh, 6rem); }
.page-copy h1 { max-width: 12ch; margin: 0; font-family: var(--serif); font-size: clamp(4.6rem, 7vw, 8.25rem); letter-spacing: -.065em; line-height: .86; text-shadow: 0 4px 28px rgb(0 0 0 / 40%); }
.quiz-hero--medium .page-copy h1 { max-width: 13ch; font-size: clamp(4.2rem, 6.2vw, 7.25rem); }
.quiz-hero--long .page-copy h1 { max-width: 16ch; font-size: clamp(3.5rem, 5vw, 6rem); line-height: .92; }
.page-dek { max-width: 650px; margin: 1.3rem 0 0; color: #ededed; font-family: var(--serif); font-size: clamp(1.25rem, 1.65vw, 1.65rem); line-height: 1.42; text-shadow: 0 2px 18px rgb(0 0 0 / 58%); }
.page-description { max-width: 820px; margin: 0; color: var(--ink-soft); font-size: 1.02rem; }
.quiz-hero-cta { width: min(100%, 430px); min-height: 74px; margin-top: 2rem; padding: 1rem 1.25rem 1rem 1.6rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: #111; background: #fff; border: 2px solid #fff; font-size: 1.08rem; font-weight: 850; letter-spacing: .015em; box-shadow: 0 18px 46px rgb(0 0 0 / 28%); transition: color 180ms ease, background 180ms ease, transform 180ms ease; }
.quiz-hero-cta span:last-child { font-family: var(--serif); font-size: 2rem; line-height: 1; transition: transform 180ms ease; }
.quiz-hero-cta:hover { color: #fff; background: #111; transform: translateY(-3px); }
.quiz-hero-cta:hover span:last-child { transform: translateX(.3rem); }
.quiz-meta { width: min(100%, 430px); margin: .85rem 0 0; padding: 0; display: grid; grid-template-columns: .8fr 1.2fr; list-style: none; border-top: 1px solid rgb(255 255 255 / 48%); border-bottom: 1px solid rgb(255 255 255 / 48%); }
.quiz-meta li { min-height: 74px; padding: .75rem 1rem; display: flex; flex-direction: column; justify-content: center; color: #fff; border-right: 1px solid rgb(255 255 255 / 34%); }
.quiz-meta li:last-child { border-right: 0; }
.quiz-meta strong { font-family: var(--serif); font-size: 1.3rem; line-height: 1.05; }
.quiz-meta span { margin-top: .18rem; color: #cccccc; font-size: .68rem; font-weight: 820; letter-spacing: .12em; line-height: 1.2; text-transform: uppercase; }
.difficulty--easy { --difficulty-accent: var(--level-easy); --difficulty-bright: var(--level-easy-bright); }
.difficulty--medium { --difficulty-accent: var(--level-medium); --difficulty-bright: var(--level-medium-bright); }
.difficulty--expert { --difficulty-accent: var(--level-expert); --difficulty-bright: var(--level-expert-bright); }
.quiz-meta .difficulty-value { color: var(--difficulty-bright); }
.quiz-assurance { width: max-content; margin: .75rem 0 0; color: #d4d4d4; font-size: .75rem; font-weight: 720; letter-spacing: .045em; white-space: nowrap; text-transform: uppercase; }
.hero-context { padding: 1.5rem 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: 2.5rem; background: #fff; border-bottom: 1px solid var(--line); }
.page-byline { margin: 0; padding: 0 0 0 2rem; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem 1rem; color: var(--muted); border-left: 1px solid var(--line); font-size: .76rem; }
.article-nav { position: sticky; z-index: 25; top: 0; color: #fff; background: var(--navy-deep); border-bottom: 1px solid var(--line-dark); }
.article-nav .container { min-height: 58px; display: flex; align-items: center; gap: 0; }
.article-nav a { padding: 1.1rem 1.5rem; color: #dddddd; border-left: 1px solid var(--line-dark); font-size: .78rem; font-weight: 800; text-decoration: none; }
.article-nav a:last-child { border-right: 1px solid var(--line-dark); }
.article-nav a:hover { color: #fff; background: #2f2f2f; }
.reference-overview { padding-block: clamp(4.5rem, 7vw, 7rem); }
.reference-heading { display: grid; grid-template-columns: minmax(0, .9fr) minmax(400px, 1.1fr); gap: clamp(3rem, 8vw, 8rem); align-items: end; }
.reference-heading > div:last-child p { margin: 0; color: var(--muted); }
.reference-heading > div:last-child p + p { margin-top: .9rem; }
.fact-grid { margin-top: 2.8rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.fact-card { min-height: 280px; padding: 1.5rem; display: flex; flex-direction: column; color: inherit; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; }
.fact-card > span { color: var(--cyan-dark); font-size: .7rem; font-weight: 820; letter-spacing: .1em; text-transform: uppercase; }
.fact-card > strong { margin-top: 1.4rem; font-family: var(--serif); font-size: 1.55rem; line-height: 1.1; }
.fact-card p { margin: .75rem 0 1rem; color: var(--muted); font-size: .9rem; }
.fact-card em { margin-top: auto; color: var(--cyan-dark); font-size: .74rem; font-style: normal; font-weight: 800; }
.fact-card:hover { background: var(--wash); }
.coverage-grid { margin-top: 2.5rem; padding-top: 2rem; display: grid; grid-template-columns: 1.15fr .85fr; gap: 4rem; border-top: 1px solid var(--line); }
.coverage-grid p:not(.eyebrow), .coverage-grid li { color: var(--muted); }
.coverage-grid ul { margin: 0; padding-left: 1.2rem; }
.quiz-launch { padding-block: 4.5rem; }
.quiz-launch-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(380px, .9fr); gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.quiz-launch h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.4rem, 4vw, 4.2rem); line-height: 1; }
.quiz-launch-grid > div:first-child > p:last-child { color: var(--muted); }
.quiz-preview { padding: 2rem; color: #fff; background: var(--navy); box-shadow: var(--shadow-small); }
.quiz-preview > span { color: var(--gold); font-size: .72rem; font-weight: 820; letter-spacing: .1em; text-transform: uppercase; }
.quiz-preview > strong { min-height: 88px; margin: 1rem 0 1.4rem; display: block; font-family: var(--serif); font-size: 1.6rem; line-height: 1.2; }
.quiz-preview > small { margin-top: .8rem; display: block; color: #bdbdbd; }
.correction-section { background: #fff; }
.correction-hero { position: relative; min-height: 480px; overflow: hidden; color: #fff; background: #111; }
.correction-hero-picture, .correction-hero-picture img { width: 100%; height: 100%; }
.correction-hero-picture { position: absolute; inset: 0; }
.correction-hero-picture img { object-fit: cover; object-position: center; filter: grayscale(.45) contrast(1.06); }
.correction-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgb(0 0 0 / 94%) 0, rgb(0 0 0 / 78%) 44%, rgb(0 0 0 / 26%) 78%, rgb(0 0 0 / 12%) 100%), linear-gradient(180deg, transparent 48%, rgb(0 0 0 / 52%) 100%); }
.correction-hero-content { position: relative; z-index: 2; min-height: 480px; padding-block: 4.5rem; display: flex; flex-direction: column; justify-content: center; }
.correction-hero .eyebrow { color: #cccccc; }
.correction-hero h2 { max-width: 780px; margin: 0; font-family: var(--serif); font-size: clamp(3.3rem, 5vw, 5.8rem); letter-spacing: -.05em; line-height: .92; }
.correction-hero-content > p:not(.eyebrow) { max-width: 720px; margin: 1.2rem 0 0; color: #d3d3d3; font-size: 1.05rem; }
.correction-hero dl { width: min(100%, 760px); margin: 2rem 0 0; padding: 1.25rem 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid #666666; }
.correction-hero dl div { padding-right: 1.2rem; }
.correction-hero dt { font-family: var(--serif); font-size: 2rem; font-weight: 700; line-height: 1; }
.correction-hero dd { margin: .4rem 0 0; color: #bcbcbc; font-size: .68rem; font-weight: 780; letter-spacing: .08em; line-height: 1.35; text-transform: uppercase; }
.editorial { padding-block: clamp(5rem, 8vw, 8rem); }
.editorial-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(350px, .45fr); gap: clamp(3rem, 5vw, 5rem); align-items: start; }
.answer-column > h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.6rem, 4.7vw, 5rem); line-height: .95; }
.editorial-lead { max-width: 780px; margin: 1.2rem 0 0; color: var(--muted); font-size: 1.08rem; }
.notice { margin: 1.6rem 0 0; padding: 1rem 1.2rem; color: #222; background: #f0f0f0; border-left: 4px solid #555; }
.answer-toc { margin: 2rem 0 0; border: 1px solid var(--line); }
.answer-toc summary { padding: 1rem 1.2rem; color: var(--cyan-dark); background: var(--wash); font-size: .86rem; font-weight: 820; cursor: pointer; }
.answer-toc ol { margin: 0; padding: 0; columns: 2; column-gap: 1px; list-style: none; background: var(--line); }
.answer-toc li { break-inside: avoid; background: #fff; }
.answer-toc a { min-height: 58px; padding: .75rem 1rem; display: grid; grid-template-columns: 32px 1fr; gap: .65rem; align-items: start; color: var(--ink-soft); font-size: .8rem; line-height: 1.35; text-decoration: none; }
.answer-toc a span { color: var(--cyan-dark); font-family: var(--serif); font-weight: 700; }
.answer-list { margin-top: 2rem; border-top: 1px solid var(--ink); }
.answer-card { position: relative; padding: 2rem 0; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 1.3rem; border-bottom: 1px solid var(--line); }
.answer-card:target { margin-inline: -1rem; padding-inline: 1rem; background: #f3f3f3; }
.question-index { color: var(--cyan-dark); font-family: var(--serif); font-size: 1.25rem; font-weight: 700; }
.answer-label { margin: 0 0 .3rem; color: var(--muted); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.answer-card h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.45rem, 2.15vw, 2rem); line-height: 1.15; }
.answer-card p { max-width: 820px; margin: .85rem 0 0; color: var(--ink-soft); }
.direct-answer { display: flex; flex-wrap: wrap; gap: .5rem .8rem; align-items: baseline; }
.direct-answer span { color: var(--cyan-dark); font-size: .7rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.direct-answer strong { color: var(--ink); font-size: 1.05rem; }
.source-jump { font-size: .78rem; font-weight: 750; }
.source-jump a { color: var(--cyan-dark); }
.reference-rail { position: sticky; top: 5.3rem; display: grid; gap: 1.4rem; }
.source-panel, .question-method { padding: 1.7rem; background: var(--wash); border-top: 5px solid var(--navy); }
.source-panel h2, .question-method h2 { margin: 0; font-family: var(--serif); font-size: 1.8rem; line-height: 1.05; }
.source-panel > p:not(.eyebrow), .question-method li { color: var(--muted); font-size: .88rem; }
.source-panel ol { margin: 1.2rem 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.source-panel li { padding: .8rem 0; display: grid; grid-template-columns: 30px 1fr; gap: .65rem; border-bottom: 1px solid var(--line); font-size: .86rem; }
.source-panel li > span { color: var(--cyan-dark); font-family: var(--serif); font-weight: 700; }
.source-panel a, .question-method a { color: var(--cyan-dark); }
.review-card { padding: .9rem 1rem; background: #fff; border: 1px solid var(--line); }
.review-card p { margin: 0; display: flex; justify-content: space-between; gap: 1rem; font-size: .74rem; }
.review-card p + p { margin-top: .5rem; padding-top: .5rem; border-top: 1px solid var(--line); }
.review-card span { color: var(--muted); text-align: right; }
.correction-link { padding-top: .9rem; border-top: 1px solid var(--line); }
.question-method { background: #fff; border: 1px solid var(--line); border-top: 5px solid var(--gold); }
.question-method ul { margin: 1rem 0 0; padding-left: 1.1rem; }
.question-method li + li { margin-top: .65rem; }
.related { padding-block: clamp(4.5rem, 7vw, 7rem); color: #fff; background: #151515; }
.related-heading { margin-bottom: 2.4rem; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr); gap: clamp(3rem, 7vw, 7rem); align-items: end; }
.related-heading .eyebrow { color: #bdbdbd; }
.related-heading h2 { max-width: 760px; margin: 0; font-family: var(--serif); font-size: clamp(2.6rem, 4vw, 4.35rem); letter-spacing: -.05em; line-height: .96; }
.related-heading > div:last-child { max-width: 520px; justify-self: end; }
.related-heading p:not(.eyebrow) { margin: 0 0 1rem; color: #cccccc; }
.related-heading a { color: #fff; font-size: .85rem; font-weight: 820; text-decoration: none; }
.related-heading a span { margin-left: .35rem; font-family: var(--serif); font-size: 1.2rem; }
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: clamp(315px, 22vw, 390px); gap: 1rem; }
.related-card { position: relative; min-width: 0; min-height: 0; overflow: hidden; background: #272727; }
.related-card-picture, .related-card-picture img { width: 100%; height: 100%; }
.related-card-picture { position: absolute; inset: 0; }
.related-card-picture img { object-fit: cover; transition: transform 500ms ease, filter 300ms ease; }
.related-card > a { position: absolute; z-index: 2; inset: 0; padding: 1.8rem; display: flex; flex-direction: column; justify-content: end; color: #fff; background: linear-gradient(180deg, transparent 18%, rgb(0 0 0 / 16%) 40%, rgb(0 0 0 / 92%) 100%); text-decoration: none; }
.related-card > a { background: linear-gradient(180deg, rgb(0 0 0 / 9%) 0, rgb(0 0 0 / 48%) 42%, rgb(0 0 0 / 96%) 100%); }
.related-card-meta { display: flex; gap: .65rem; color: #dddddd; font-size: .72rem; font-weight: 820; letter-spacing: .1em; text-transform: uppercase; }
.related-card-meta span + span::before { content: '·'; margin-right: .65rem; color: #aaaaaa; }
.related-card-meta span:last-child { color: var(--difficulty-bright); }
.related-card h3 { max-width: 18ch; margin: .55rem 0 0; font-family: var(--serif); font-size: clamp(1.8rem, 2.35vw, 2.65rem); letter-spacing: -.035em; line-height: .98; }
.related-card p { max-width: 620px; margin: .8rem 0 0; display: -webkit-box; overflow: hidden; color: #d2d2d2; font-size: .9rem; line-height: 1.45; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.related-card strong { margin-top: 1.1rem; font-size: .78rem; letter-spacing: .07em; text-transform: uppercase; }
.related-card strong span { margin-left: .35rem; font-family: var(--serif); font-size: 1.1rem; }
.related-card:hover img { filter: brightness(.82); transform: scale(1.035); }

/* Quiz */
.quiz-dialog { width: min(calc(100% - 2rem), 980px); max-height: min(90vh, 820px); padding: 0; color: var(--ink); background: #fff; border: 0; border-radius: 0; box-shadow: 0 28px 90px rgb(0 0 0 / 38%); }
.quiz-dialog::backdrop { background: rgb(0 0 0 / 78%); backdrop-filter: blur(3px); }
.quiz-shell { min-height: 540px; }
.quiz-dialog-header { min-height: 64px; padding: 0 1.25rem; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; color: #fff; background: #151515; }
.quiz-progress-label, .quiz-title-label { margin: 0; font-size: .78rem; font-weight: 800; letter-spacing: .03em; text-transform: uppercase; }
.quiz-title-label { max-width: 480px; overflow: hidden; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.quiz-close { justify-self: end; width: 42px; height: 42px; color: #fff; background: transparent; border: 0; font-size: 1.6rem; }
.progress-track { height: 5px; overflow: hidden; background: #dddddd; }
.progress-value { height: 100%; background: var(--gold); transition: width 220ms ease; }
.quiz-content { padding: clamp(2rem, 5vw, 4.5rem); }
.modal-question { max-width: 820px; min-height: 78px; margin: 0 auto 2.4rem; font-family: var(--serif); font-size: clamp(1.8rem, 3.3vw, 2.7rem); line-height: 1.15; text-align: center; }
.option-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.4rem; }
.quiz-option { min-height: 92px; padding: 1rem; color: #171717; background: #f1f1f1; border: 1px solid #323232; font-size: 1.05rem; font-weight: 760; transition: transform 140ms ease, background 140ms ease; }
.quiz-option:hover:not(:disabled) { background: #e2e2e2; transform: translateY(-2px); }
.quiz-option.correct { color: #111; background: var(--green-soft); border: 3px solid var(--green); }
.quiz-option.wrong { color: #333; background: var(--red-soft); border: 2px dashed var(--red); }
.feedback { margin-top: 1.2rem; padding: 1rem 1.2rem; color: var(--ink-soft); background: var(--wash); border-left: 4px solid var(--cyan-dark); }
.feedback strong { display: block; color: var(--ink); }
.quiz-actions, .result-actions { margin-top: 1.3rem; display: flex; justify-content: center; gap: .8rem; }
.result-panel { min-height: 470px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.result-kicker { margin: 0; color: var(--cyan-dark); font-size: .75rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.result-score { margin: .4rem 0; font-family: var(--serif); font-size: clamp(5rem, 10vw, 8rem); font-weight: 700; letter-spacing: -.08em; line-height: 1; }
.result-message { max-width: 620px; margin: .4rem auto 0; color: var(--muted); font-size: 1.05rem; }

/* Pages éditoriales */
.legal-page { padding-block: 4.5rem 7rem; }
.legal-page h1 { margin: 0 0 2rem; font-family: var(--serif); font-size: clamp(3rem, 6vw, 5.8rem); letter-spacing: -.055em; line-height: .92; }
.legal-page h2 { margin: 2.5rem 0 .7rem; font-family: var(--serif); font-size: 1.8rem; }
.legal-page p, .legal-page li { color: var(--ink-soft); }
.not-found { min-height: 65vh; display: grid; place-items: center; padding: 3rem; text-align: center; }
.not-found strong { color: var(--cyan-dark); font-family: var(--serif); font-size: 6rem; }
.not-found h1 { font-family: var(--serif); }

/* Pied de page */
.site-footer { padding-block: 0 1.8rem; color: #bdbdbd; background: #090909; }
.footer-manifesto { padding-block: clamp(4.5rem, 7vw, 7rem); display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(360px, .75fr); gap: clamp(3rem, 8vw, 8rem); align-items: end; border-bottom: 1px solid #333; }
.footer-manifesto .eyebrow { color: #bdbdbd; }
.footer-manifesto h2 { max-width: 900px; margin: 0; color: #fff; font-family: var(--serif); font-size: clamp(2.9rem, 5vw, 5.3rem); font-weight: 700; letter-spacing: -.05em; line-height: .96; }
.footer-manifesto-copy { max-width: 540px; justify-self: end; }
.footer-manifesto-copy > p { margin: 0; color: #d0d0d0; font-size: 1.05rem; }
.footer-actions { margin-top: 1.6rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1.3rem; }
.footer-actions a { color: #fff; font-size: .84rem; font-weight: 800; text-decoration: none; }
.footer-actions .footer-button { min-height: 54px; padding: .85rem 1.2rem; display: inline-flex; align-items: center; color: #111; background: #fff; border: 1px solid #fff; }
.footer-actions .footer-button:hover { color: #fff; background: #272727; }
.footer-proof { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-bottom: 1px solid #333; }
.footer-proof div { min-height: 138px; padding: 1.7rem 1.5rem; border-right: 1px solid #333; }
.footer-proof div:first-child { padding-left: 0; }
.footer-proof div:last-child { padding-right: 0; border-right: 0; }
.footer-proof dt { color: #fff; font-family: var(--serif); font-size: clamp(2rem, 3vw, 3.1rem); font-weight: 700; line-height: 1; }
.footer-proof dd { margin: .55rem 0 0; color: #9f9f9f; font-size: .72rem; font-weight: 760; letter-spacing: .08em; line-height: 1.35; text-transform: uppercase; }
.footer-grid { padding-block: 4rem 3rem; display: grid; grid-template-columns: minmax(300px, 1.5fr) repeat(3, minmax(150px, 1fr)); gap: clamp(2.5rem, 5vw, 5rem); }
.footer-brand { display: inline-grid; grid-template-columns: 34px auto; align-items: center; gap: .7rem; color: #fff; font-weight: 800; text-decoration: none; }
.footer-brand .brand-mark { grid-row: auto; }
.footer-brand small { color: #9a9a9a; font-size: .7em; font-weight: 500; }
.footer-brand-block > p { max-width: 400px; margin: 1.2rem 0 0; color: #a9a9a9; font-size: .86rem; }
.footer-brand-block .footer-network { margin-top: 1.6rem; color: #828282; font-size: .74rem; }
.site-footer h3 { margin: .2rem 0 1.2rem; color: #fff; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.site-footer ul { margin: 0; padding: 0; display: grid; gap: .65rem; list-style: none; }
.site-footer li { font-size: .8rem; }
.site-footer a:hover { color: #fff; }
.footer-bottom { padding-top: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid #333; font-size: .72rem; }
.footer-legal { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 1.2rem; }

@media (max-width: 1150px) {
  .home-intro-grid { grid-template-columns: 1fr .9fr; gap: 0; }
  .home-manifesto h1 { font-size: clamp(3.3rem, 7vw, 5rem); }
  .quiz-hero-overlay .page-copy { width: min(650px, 66vw); }
  .page-copy h1 { font-size: clamp(4rem, 7vw, 5.75rem); }
  .quiz-hero--medium .page-copy h1 { font-size: clamp(3.7rem, 6.4vw, 5.2rem); }
  .quiz-hero--long .page-copy h1 { font-size: clamp(3.15rem, 5.4vw, 4.6rem); }
  .lead-story { min-height: 520px; }
  .collection-card { grid-template-columns: 34px minmax(0, 1fr) 32px; }
  .collection-thumb { display: none; }
  .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .primary-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 360px; }
  .main-nav ul { gap: 1rem; }
  .main-nav a { font-size: .72rem; }
  .format-hero-grid { grid-template-columns: 1fr .85fr; }
  .format-hero-copy h1 { font-size: clamp(3.3rem, 5.8vw, 5rem); }
  .format-selection .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .container, .container-narrow, .nav-shell { width: min(calc(100% - 2rem), var(--content)); }
  .brand em { display: none; }
  .menu-button { display: inline-flex; }
  .main-nav { position: absolute; z-index: 50; top: 100%; right: 0; left: 0; display: none; background: #090909; border-top: 1px solid #333; }
  .main-nav.open { display: block; }
  .main-nav ul { width: calc(100% - 2rem); margin-inline: auto; padding-block: .8rem 1.2rem; display: grid; gap: 0; }
  .main-nav a { padding: .9rem 0; border-bottom: 1px solid #333; font-size: .9rem; }
  .main-nav a::after { display: none; }
  .home-intro { background: #fff; }
  .home-intro-grid, .category-intro-inner, .category-feature-grid, .reference-heading, .quiz-launch-grid, .editorial-grid, .method-grid, .editorial-grid-home, .category-guide-grid, .editorial-signature > .container, .format-hero-grid, .format-definition-grid { grid-template-columns: 1fr; }
  .home-manifesto h1, .category-intro h1 { font-size: clamp(3rem, 10vw, 5rem); }
  .quiz-hero-overlay .page-copy { width: min(620px, 82vw); }
  .page-copy h1 { font-size: clamp(3.8rem, 9vw, 5.4rem); }
  .quiz-hero--medium .page-copy h1 { font-size: clamp(3.5rem, 8vw, 4.9rem); }
  .quiz-hero--long .page-copy h1 { font-size: clamp(3rem, 7vw, 4.25rem); }
  .home-proof { margin-top: 2rem; }
  .home-intro-grid { min-height: 0; }
  .home-manifesto { min-height: 610px; }
  .lead-story { min-height: 560px; }
  .collection-grid, .direct-answer-grid, .quick-answer-grid { grid-template-columns: 1fr; }
  .collection-card:nth-child(odd), .collection-card:nth-child(even) { padding-inline: 0; border-right: 0; }
  .direct-answer-grid article { min-height: 250px; }
  .card-grid, .category-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .new-quizzes { margin-top: 1rem; }
  .mosaic { grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(3, minmax(270px, 42vw)); }
  .mosaic-card:nth-child(3) { grid-column: 1 / span 2; grid-row: 2; }
  .editorial-signature > .container { gap: 1.2rem; }
  .category-feature-grid { gap: 2rem; }
  .category-feature-image { height: 420px; }
  .hero-context { grid-template-columns: 1fr; gap: 1.2rem; }
  .page-byline { padding: 1rem 0 0; justify-content: flex-start; border-top: 1px solid var(--line); border-left: 0; }
  .article-nav { overflow-x: auto; }
  .article-nav .container { width: max-content; min-width: 100%; }
  .reference-rail { position: static; }
  .related-heading, .footer-manifesto { grid-template-columns: 1fr; gap: 1.6rem; }
  .related-heading > div:last-child, .footer-manifesto-copy { max-width: 700px; justify-self: start; }
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: none; grid-auto-rows: 340px; }
  .footer-proof, .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-proof div:nth-child(2) { border-right: 0; }
  .footer-proof div:nth-child(3), .footer-proof div:nth-child(4) { border-top: 1px solid #333; }
  .format-hero-grid { min-height: 0; }
  .format-hero-copy { min-height: 570px; }
  .format-hero-visual { min-height: 500px; }
  .format-principle-grid, .level-guide-grid, .theme-questionnaire-grid { grid-template-columns: 1fr; }
  .format-principle-grid article { min-height: 220px; }
  .format-selection .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .questions-hero-grid { grid-template-columns: 1fr; align-items: start; }
  .questions-number { width: 100%; min-width: 0; display: flex; align-items: end; gap: 2rem; }
  .question-set-grid { grid-template-columns: 1fr; }
  .correction-hero, .correction-hero-content { min-height: 440px; }
  .correction-hero-content { padding-block: 3.8rem; }
}

@media (max-width: 620px) {
  body { font-size: 1rem; }
  .nav-shell { min-height: 64px; }
  .section { padding-block: 3.8rem; }
  .home-intro { padding-top: 2.4rem; }
  .home-manifesto { min-height: 0; padding: 2.6rem 1.35rem; }
  .home-manifesto h1, .category-intro h1 { font-size: clamp(2.7rem, 14vw, 4.4rem); line-height: .9; }
  .home-manifesto h1 br { display: none; }
  .home-proof { grid-template-columns: 1fr; gap: 0; }
  .home-proof div { padding: .8rem 0; display: grid; grid-template-columns: 100px 1fr; align-items: center; border-bottom: 1px solid var(--line); }
  .home-proof dd { margin: 0; }
  .lead-story { min-height: 500px; }
  .lead-story > div { padding: 1.4rem; }
  .collection-card { min-height: 0; grid-template-columns: 32px minmax(0, 1fr) 24px; gap: .8rem; }
  .collection-card p { display: none; }
  .collection-card strong { display: block; margin-top: .5rem; }
  .direct-answer-grid article { min-height: 0; padding: 1.5rem; }
  .primary-cards, .card-grid, .category-card-grid, .method-steps, .fact-grid, .quick-answer-grid { grid-template-columns: 1fr; }
  .mosaic { display: block; }
  .mosaic-card { height: 320px; }
  .category-intro { padding-block: 3.2rem; }
  .category-summary dl { grid-template-columns: 1fr; }
  .category-summary dl div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--line); }
  .category-feature-image { height: 320px; }
  .listing-toolbar { align-items: stretch; flex-direction: column; }
  .search-field { width: 100%; }
  .quiz-hero-media { min-height: 740px; height: calc(100svh - 64px); max-height: 860px; }
  .quiz-hero-media > picture img { object-position: 57% center; }
  .quiz-hero-media::after { background: linear-gradient(180deg, rgb(0 0 0 / 4%) 0, rgb(0 0 0 / 12%) 24%, rgb(0 0 0 / 78%) 55%, rgb(0 0 0 / 96%) 100%); }
  .quiz-hero-overlay { min-height: 740px; height: calc(100svh - 64px); max-height: 860px; align-items: end; }
  .quiz-hero-overlay .page-copy { width: 100%; padding: 2.5rem 0 2rem; }
  .page-copy h1 { max-width: none; font-size: clamp(3.1rem, 14vw, 4.5rem); line-height: .9; }
  .quiz-hero--medium .page-copy h1 { max-width: none; font-size: clamp(2.85rem, 12.5vw, 4rem); line-height: .92; }
  .quiz-hero--long .page-copy h1 { max-width: none; font-size: clamp(2.45rem, 10.5vw, 3.35rem); line-height: .96; }
  .page-dek { margin-top: .9rem; display: -webkit-box; overflow: hidden; font-size: 1.08rem; line-height: 1.38; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
  .quiz-hero-cta { width: 100%; min-height: 68px; margin-top: 1.25rem; }
  .quiz-meta { width: 100%; }
  .quiz-assurance { width: auto; font-size: .67rem; letter-spacing: .035em; white-space: normal; }
  .hero-context { padding: 1.2rem 0; }
  .article-nav a { padding-inline: 1rem; }
  .reference-overview, .editorial { padding-block: 4rem; }
  .coverage-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .answer-toc ol { columns: 1; }
  .answer-card { grid-template-columns: 38px minmax(0, 1fr); gap: .8rem; }
  .quiz-dialog { width: 100%; max-width: none; height: 100%; max-height: none; margin: 0; }
  .quiz-dialog-header { grid-template-columns: 1fr auto; }
  .quiz-title-label { display: none; }
  .quiz-shell { min-height: 100%; }
  .quiz-content { padding: 1.5rem 1rem 2rem; }
  .modal-question { min-height: 0; margin-bottom: 1.2rem; font-size: 1.6rem; }
  .option-grid { grid-template-columns: 1fr; gap: .7rem; }
  .quiz-option { min-height: 66px; }
  .result-panel { min-height: calc(100vh - 69px); }
  .result-actions { width: 100%; flex-direction: column; }
  .result-actions .button { width: 100%; }
  .related { padding-block: 4.5rem; }
  .related-heading { margin-bottom: 2rem; }
  .related-heading h2 { font-size: clamp(2.45rem, 11vw, 3.6rem); }
  .related-grid { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-rows: 330px; }
  .related-card > a { padding: 1.5rem; }
  .related-card h3 { font-size: clamp(2rem, 9vw, 3rem); }
  .correction-hero, .correction-hero-content { min-height: 560px; }
  .correction-hero-picture img { object-position: 62% center; }
  .correction-hero::after { background: linear-gradient(180deg, rgb(0 0 0 / 18%) 0, rgb(0 0 0 / 48%) 38%, rgb(0 0 0 / 96%) 100%); }
  .correction-hero-content { padding-block: 3rem; justify-content: end; }
  .correction-hero h2 { font-size: clamp(3rem, 13vw, 4.3rem); }
  .correction-hero dl { grid-template-columns: 1fr; }
  .correction-hero dl div { padding: .7rem 0; display: grid; grid-template-columns: 80px 1fr; align-items: center; border-bottom: 1px solid #4a4a4a; }
  .correction-hero dd { margin: 0; }
  .footer-manifesto { padding-block: 4.5rem; }
  .footer-manifesto h2 { font-size: clamp(2.6rem, 12vw, 4rem); }
  .footer-proof, .footer-grid { grid-template-columns: 1fr; gap: 0; }
  .footer-proof div, .footer-proof div:first-child, .footer-proof div:last-child { min-height: 0; padding: 1.25rem 0; border-top: 1px solid #333; border-right: 0; }
  .footer-proof div:first-child { border-top: 0; }
  .footer-proof div { display: grid; grid-template-columns: 120px 1fr; align-items: center; gap: 1rem; }
  .footer-proof dd { margin: 0; }
  .footer-grid { padding-block: 3rem 2rem; gap: 2rem; }
  .footer-bottom, .footer-legal { align-items: flex-start; flex-direction: column; }
  .format-navigation .container { width: 100%; padding-left: 1rem; }
  .format-navigation span { display: none; }
  .format-hero { padding-block: 0; }
  .format-hero-grid { width: 100%; }
  .format-hero-copy { min-height: 0; padding: 3rem 1.25rem; }
  .format-hero-copy h1 { font-size: clamp(3rem, 13vw, 4.35rem); }
  .format-hero-copy dl { grid-template-columns: 1fr; }
  .format-hero-copy dl div { padding: .8rem 0; display: grid; grid-template-columns: 80px minmax(0, 1fr); align-items: center; border-bottom: 1px solid #3e3e3e; }
  .format-hero-copy dd { margin: 0; }
  .format-hero-visual { min-height: 390px; }
  .format-hero-visual > span { right: 1rem; bottom: 1rem; }
  .format-selection .card-grid { grid-template-columns: 1fr; }
  .format-principle-grid article { min-height: 0; }
  .format-principle-grid h3 { margin-top: 2rem; }
  .questions-hero { padding-block: 4rem; }
  .questions-hero-grid { gap: 2.5rem; }
  .questions-hero h1 { font-size: clamp(3.1rem, 14vw, 4.5rem); }
  .questions-number strong { font-size: 4.6rem; }
  .question-theme-nav .container { width: 100%; padding-left: 1rem; }
  .question-directory { padding-bottom: 4rem; }
  .question-theme { padding-block: 3.5rem; }
  .question-theme-heading { grid-template-columns: 1fr; }
  .question-theme-heading > a { grid-column: 1; grid-row: auto; }
  .question-set summary { min-height: 90px; padding: 1.1rem; }
  .question-set ol { padding-inline: 1.1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}