:root {
    --ink: #17324d;
    --ink-deep: #10283d;
    --muted: #66788a;
    --paper: #fffdf9;
    --soft: #f3f7f8;
    --line: #dce5e8;
    --teal: #138a82;
    --teal-dark: #0b6b66;
    --orange: #f59e5b;
    --orange-soft: #fff0e4;
    --green-soft: #e9f7f2;
    --red: #b94646;
    --red-soft: #fff0f0;
    --white: #fff;
    --shadow: 0 20px 50px rgba(23, 50, 77, .10);
    --radius: 20px;
    --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: Tahoma, Arial, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
button, input { font: inherit; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.narrow { max-width: 820px; }
.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;
}
.skip-link { position: fixed; top: -100px; right: 20px; z-index: 999; background: var(--ink); color: white; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 253, 249, .96); border-bottom: 1px solid rgba(220, 229, 232, .9); backdrop-filter: blur(12px); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; color: white; background: var(--ink); font: 800 24px/1 Arial, sans-serif; position: relative; }
.brand-mark::after { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--orange); top: 6px; left: 6px; }
.brand strong { display: block; font: 800 20px/1.1 Arial, sans-serif; letter-spacing: -.4px; }
.brand small { display: block; color: var(--muted); font-size: 11px; margin-top: 4px; }
.site-nav { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 700; }
.site-nav > a { padding: 8px 0; position: relative; }
.site-nav > a::after { content: ""; position: absolute; right: 0; bottom: 2px; width: 0; height: 2px; background: var(--teal); transition: width .2s ease; }
.site-nav > a:hover::after { width: 100%; }
.nav-search { display: flex; background: var(--soft); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.nav-search input { width: 145px; border: 0; background: transparent; padding: 8px 12px; color: var(--ink); outline: 0; }
.nav-search button { border: 0; background: var(--ink); color: white; padding: 8px 12px; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: white; border-radius: 12px; padding: 10px; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; background: var(--ink); margin: 4px 0; }

.hero { position: relative; overflow: hidden; padding: 92px 0 84px; background: linear-gradient(135deg, #f8fbfa 0%, #fff8f1 100%); border-bottom: 1px solid var(--line); }
.hero::before { content: "A  Ä  ?"; position: absolute; left: -50px; top: 10px; font: 900 180px/1 Arial; letter-spacing: 35px; color: rgba(23, 63, 95, .035); direction: ltr; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; position: relative; }
.eyebrow { display: inline-block; color: var(--teal-dark); font-size: 12px; font-weight: 800; letter-spacing: .5px; }
.hero h1, .page-hero h1 { margin: 14px 0 20px; color: var(--ink-deep); font-size: clamp(38px, 5vw, 64px); line-height: 1.23; letter-spacing: -1.5px; }
.hero-copy > p { max-width: 680px; margin: 0; color: var(--muted); font-size: 19px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 22px; border: 1px solid transparent; border-radius: 12px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--teal); color: white; box-shadow: 0 10px 24px rgba(19, 138, 130, .2); }
.button-primary:hover { background: var(--teal-dark); }
.button-secondary { background: white; color: var(--ink); border-color: var(--line); }
.trust-list { display: flex; flex-wrap: wrap; gap: 18px; list-style: none; padding: 0; margin: 28px 0 0; color: var(--muted); font-size: 13px; }
.trust-list li::before { content: "✓"; display: inline-grid; place-items: center; width: 20px; height: 20px; margin-left: 6px; border-radius: 50%; background: var(--green-soft); color: var(--teal-dark); font-weight: 900; }
.hero-visual { display: flex; justify-content: center; }
.lesson-board { width: min(100%, 470px); padding: 30px; background: white; border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); transform: rotate(-1deg); direction: ltr; }
.board-top { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 12px; }
.board-top span { background: var(--orange-soft); color: #9a4f19; border-radius: 8px; padding: 4px 9px; font-weight: 800; }
.board-question { margin: 25px 0 18px; color: var(--ink-deep); font: 800 clamp(25px, 4vw, 38px)/1.25 Arial; }
.word-order { display: flex; flex-wrap: wrap; gap: 8px; }
.word-order span { padding: 8px 12px; background: var(--soft); border: 1px solid var(--line); border-radius: 9px; font: 700 14px/1 Arial; }
.word-order span:nth-child(2) { color: white; background: var(--teal); border-color: var(--teal); }
.board-note { margin: 22px 0; padding: 14px 16px; border-right: 3px solid var(--orange); background: var(--orange-soft); border-radius: 10px; color: var(--ink); font-size: 13px; direction: rtl; }
.board-progress { height: 7px; background: var(--soft); border-radius: 10px; overflow: hidden; }
.board-progress span { display: block; height: 100%; background: var(--teal); border-radius: inherit; }
.lesson-board > small { display: block; color: var(--muted); margin-top: 10px; direction: rtl; }

.section { padding: 82px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 32px; }
.section-heading h2, .method-grid h2, .callout-inner h2 { margin: 7px 0 0; color: var(--ink-deep); font-size: clamp(27px, 3vw, 39px); line-height: 1.35; }
.section-heading > p { max-width: 500px; margin: 0; color: var(--muted); }
.section-paths { background: white; }
.path-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.path-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px; min-height: 210px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .2s ease, box-shadow .2s ease; }
.path-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.path-english { background: linear-gradient(135deg, #eef8f6, #fff); }
.path-german { background: linear-gradient(135deg, #fff5eb, #fff); }
.path-code { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 20px; background: var(--ink); color: white; font: 900 24px/1 Arial; }
.path-german .path-code { background: #8b4f23; }
.card-kicker { color: var(--muted); font: 700 11px/1 Arial; text-transform: uppercase; letter-spacing: 1px; }
.path-card h3 { margin: 8px 0; font-size: 25px; }
.path-card p { margin: 0; color: var(--muted); }
.arrow { font-size: 28px; }
.section-featured { background: var(--soft); }
.lesson-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.lesson-card { display: flex; flex-direction: column; padding: 25px; background: white; border: 1px solid var(--line); border-radius: 17px; transition: border-color .2s ease, transform .2s ease; }
.lesson-card:hover { border-color: #9fc9c4; transform: translateY(-3px); }
.card-meta { display: flex; flex-wrap: wrap; gap: 7px; color: var(--muted); font-size: 11px; font-weight: 800; }
.card-meta span { padding: 4px 8px; border-radius: 7px; background: var(--soft); }
.lesson-card h3 { margin: 16px 0 3px; font-size: 20px; line-height: 1.5; }
.lesson-card h3 a:hover, .lesson-row h3 a:hover { color: var(--teal-dark); }
.native-title { color: var(--teal-dark) !important; font-size: 13px !important; text-align: left; }
.lesson-card > p:not(.native-title) { color: var(--muted); font-size: 14px; flex: 1; }
.text-link { color: var(--teal-dark); font-weight: 800; font-size: 14px; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.method-section { background: var(--ink-deep); color: white; }
.method-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.method-grid h2 { color: white; }
.method-grid > div > p { color: #bdd0df; }
.method-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.method-steps li { display: grid; grid-template-columns: 55px 1fr; gap: 15px; padding: 19px; border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.04); border-radius: 15px; }
.method-steps li > span { color: var(--orange); font: 800 18px/1.5 Arial; }
.method-steps h3 { margin: 0 0 4px; font-size: 18px; }
.method-steps p { margin: 0; color: #bdd0df; font-size: 14px; }
.editorial-callout { background: var(--orange-soft); }
.callout-inner { display: grid; grid-template-columns: 1fr 1.2fr auto; gap: 45px; align-items: center; }
.callout-inner > p { color: #745a46; }

.page-hero { padding: 76px 0; background: var(--soft); border-bottom: 1px solid var(--line); }
.compact-hero h1 { font-size: clamp(34px, 5vw, 54px); margin-bottom: 16px; }
.compact-hero p { max-width: 790px; color: var(--muted); font-size: 18px; }
.english-hero { background: linear-gradient(135deg, #eef8f6, #f9fcfb); }
.german-hero { background: linear-gradient(135deg, #fff4e8, #fffaf5); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; color: var(--muted); font-size: 12px; }
.breadcrumbs a:hover { color: var(--teal-dark); }
.hub-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 25px; }
.hub-meta span { padding: 7px 11px; background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 9px; font-size: 12px; font-weight: 700; }
.hub-layout { display: grid; grid-template-columns: 280px 1fr; gap: 45px; align-items: start; }
.level-guide { position: sticky; top: 105px; padding: 25px; background: var(--ink); color: white; border-radius: 18px; }
.level-guide h2 { font-size: 21px; line-height: 1.5; }
.level-guide ol { padding-right: 22px; color: #d2dfe8; font-size: 14px; }
.level-guide li { margin-bottom: 12px; }
.small-note { color: var(--muted); font-size: 12px; }
.level-guide .small-note { color: #9fb4c4; border-top: 1px solid rgba(255,255,255,.15); padding-top: 15px; }
.filter-row { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 20px; }
.filter-row h2 { margin: 0; font-size: 27px; }
.filter-row span { color: var(--muted); font-size: 13px; }
.lesson-list { display: grid; gap: 12px; }
.lesson-row { display: grid; grid-template-columns: 50px 1fr 42px; gap: 20px; align-items: center; padding: 23px; background: white; border: 1px solid var(--line); border-radius: 16px; }
.lesson-number { color: #9aabb7; font: 800 17px/1 Arial; }
.lesson-row h3 { margin: 10px 0 0; font-size: 20px; }
.lesson-row-main > p:not(.native-title) { margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.circle-link { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--soft); font-size: 20px; }
.circle-link:hover { color: white; background: var(--teal); }

.lesson-header { padding: 64px 0 50px; background: linear-gradient(180deg, var(--soft), var(--paper)); border-bottom: 1px solid var(--line); }
.lesson-header h1 { margin: 14px 0 5px; color: var(--ink-deep); font-size: clamp(34px, 5vw, 54px); line-height: 1.35; }
.lesson-native-title { margin: 0; color: var(--teal-dark); font: 700 17px/1.6 Arial; text-align: left; }
.lesson-lead { max-width: 750px; margin: 22px 0; color: var(--muted); font-size: 18px; }
.lesson-meta span:first-child { color: var(--teal-dark); background: var(--green-soft); }
.byline { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.author-avatar { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; background: var(--ink); color: white; font: 800 13px/1 Arial; }
.byline strong, .byline small { display: block; }
.byline small, .review-date { color: var(--muted); font-size: 11px; }
.review-date { text-align: left; }
.review-date span, .review-date time { display: block; }
.lesson-layout { display: grid; grid-template-columns: 230px minmax(0, 760px); justify-content: center; gap: 55px; padding-top: 60px; padding-bottom: 75px; }
.lesson-sidebar { min-width: 0; }
.toc { position: sticky; top: 105px; display: grid; gap: 9px; padding: 20px; border: 1px solid var(--line); border-radius: 15px; background: white; font-size: 12px; }
.toc strong { margin-bottom: 3px; font-size: 14px; }
.toc a { color: var(--muted); padding-right: 10px; border-right: 2px solid var(--line); }
.toc a:hover { color: var(--teal-dark); border-color: var(--teal); }
.lesson-content { min-width: 0; }
.objectives-box { padding: 26px; background: var(--green-soft); border: 1px solid #cbe8df; border-radius: 17px; }
.objectives-box h2 { margin: 6px 0 10px; font-size: 23px; }
.objectives-box ul { margin: 0; padding-right: 23px; }
.objectives-box li { margin: 5px 0; }
.lesson-section { position: relative; padding-top: 62px; scroll-margin-top: 80px; }
.section-count { display: inline-grid; place-items: center; min-width: 36px; height: 28px; padding: 0 8px; border-radius: 8px; background: var(--orange-soft); color: #9a4f19; font: 800 12px/1 Arial; }
.lesson-section h2 { margin: 10px 0 20px; color: var(--ink-deep); font-size: 29px; line-height: 1.45; }
.lesson-section > p { color: #40566a; font-size: 17px; line-height: 2; }
.example-block { margin-top: 27px; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.example-block h3 { margin: 0; padding: 13px 18px; color: var(--muted); background: var(--soft); font-size: 13px; }
.example-row { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.example-row p { margin: 0; padding: 15px 18px; }
.example-row p:first-child { text-align: left; color: var(--ink-deep); font-family: Arial, sans-serif; font-weight: 700; background: #fcfdfd; }
.example-row p:last-child { color: var(--muted); font-size: 14px; }
.mistake-list { display: grid; gap: 13px; }
.mistake-card { padding: 18px; border: 1px solid var(--line); border-radius: 14px; }
.mistake-card p { margin: 5px 0; }
.mistake-card .wrong, .mistake-card .right { text-align: left; font-family: Arial, sans-serif; font-weight: 700; }
.mistake-card .wrong { color: var(--red); }
.mistake-card .right { color: var(--teal-dark); }
.mistake-card .wrong span, .mistake-card .right span { display: inline-block; width: 24px; }
.mistake-card p:last-child { color: var(--muted); font-size: 13px; }
.practice-section details { margin: 12px 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.practice-section summary { padding: 14px 17px; background: white; font-weight: 700; cursor: pointer; }
.practice-section details p { margin: 0; padding: 14px 17px; text-align: left; color: var(--teal-dark); background: var(--green-soft); font-family: Arial, sans-serif; }
.quiz-cta { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; margin-top: 65px; padding: 28px; color: white; background: var(--ink-deep); border-radius: 19px; }
.quiz-cta h2 { margin: 5px 0; font-size: 24px; }
.quiz-cta p { margin: 0; color: #b9cad7; font-size: 14px; }
.author-box { display: grid; grid-template-columns: auto 1fr; gap: 18px; margin-top: 35px; padding: 24px; border: 1px solid var(--line); border-radius: 16px; }
.author-box h2 { margin: 0 0 5px; font-size: 18px; }
.author-box p { margin: 0; color: var(--muted); font-size: 13px; }
.author-box a { color: var(--teal-dark); font-weight: 700; font-size: 12px; }
.related-section { background: var(--soft); }

.quiz-header { background: linear-gradient(135deg, #eef8f6, #fff8f1); }
.quiz-header h1 { font-size: clamp(32px, 5vw, 50px); }
.quiz-container { max-width: 820px; }
.score-card { display: grid; grid-template-columns: 110px 1fr; gap: 25px; align-items: center; margin-bottom: 28px; padding: 25px; border-radius: 18px; }
.score-pass { background: var(--green-soft); border: 1px solid #b8dfd2; }
.score-review { background: var(--orange-soft); border: 1px solid #f4d0b3; }
.score-number { display: flex; align-items: baseline; justify-content: center; font: 900 48px/1 Arial; }
.score-number small { font-size: 18px; color: var(--muted); }
.score-card h2 { margin: 5px 0; font-size: 23px; }
.score-card p { margin: 0; color: var(--muted); }
.quiz-form { display: grid; gap: 17px; }
.question-card { margin: 0; padding: 23px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.question-card legend { width: 100%; padding: 0; color: var(--ink-deep); font-weight: 800; }
.question-card legend span { display: inline-grid; place-items: center; width: 32px; height: 32px; margin-left: 9px; border-radius: 9px; background: var(--soft); }
.option-list { display: grid; gap: 9px; margin-top: 18px; }
.quiz-option { display: flex; align-items: center; gap: 10px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.quiz-option:hover { background: var(--soft); }
.quiz-option input { width: 18px; height: 18px; accent-color: var(--teal); }
.answered-correct { border-color: #8dcab8; }
.answered-wrong { border-color: #e4aaaa; }
.answer-note { margin-top: 17px; padding: 14px; border-radius: 10px; background: var(--soft); }
.answered-correct .answer-note { background: var(--green-soft); }
.answered-wrong .answer-note { background: var(--red-soft); }
.answer-note p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.quiz-submit { border: 0; justify-self: start; margin-top: 10px; }
.quiz-actions { display: flex; gap: 12px; margin-top: 10px; }

.large-search { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 25px; }
.large-search input { min-width: 0; padding: 13px 16px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: white; outline: 0; }
.large-search input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(19,138,130,.12); }
.empty-state { padding: 60px 25px; text-align: center; border: 1px dashed #b7c5cc; border-radius: 18px; background: var(--soft); }
.empty-state h2 { margin-top: 0; }
.empty-state p { color: var(--muted); }
.empty-state a { color: var(--teal-dark); text-decoration: underline; }
.search-results { grid-template-columns: repeat(2, 1fr); }
.reviewed-line { font-size: 12px !important; }
.prose { padding-top: 55px; padding-bottom: 80px; }
.prose section { padding: 25px 0; border-bottom: 1px solid var(--line); }
.prose h2 { color: var(--ink-deep); font-size: 27px; }
.prose p { color: #40566a; font-size: 17px; line-height: 2; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.contact-card, .contact-info { padding: 30px; border: 1px solid var(--line); border-radius: 18px; }
.contact-card { background: var(--green-soft); }
.contact-card h2 { direction: ltr; text-align: right; font-family: Arial, sans-serif; }
.contact-card p, .contact-info p { color: var(--muted); }
.contact-info ol { padding-right: 22px; }
.not-found { min-height: 65vh; display: grid; place-items: center; padding: 80px 0; text-align: center; }
.error-code { color: var(--orange); font: 900 80px/1 Arial; }
.not-found h1 { font-size: 38px; margin: 14px 0; }
.not-found p { color: var(--muted); }
.not-found .hero-actions { justify-content: center; }

.site-footer { padding-top: 55px; color: #d5e0e8; background: #0c2234; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, .7fr); gap: 45px; }
.brand-footer .brand-mark { background: white; color: var(--ink); }
.brand-footer strong { color: white; }
.brand-footer small { color: #9fb4c4; }
.footer-grid > div:first-child > p { max-width: 370px; color: #9fb4c4; font-size: 13px; }
.footer-grid h2 { margin: 0 0 13px; color: white; font-size: 14px; }
.footer-grid > div:not(:first-child) a { display: block; margin: 8px 0; color: #aebfcb; font-size: 13px; }
.footer-grid a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 45px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.1); color: #829cab; font-size: 11px; }
.footer-bottom p { margin: 0; }

@media (max-width: 980px) {
    .menu-toggle { display: block; }
    .site-nav { display: none; position: absolute; top: 68px; right: 20px; left: 20px; padding: 18px; background: white; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
    .site-nav.is-open { display: grid; }
    .nav-search input { width: 100%; }
    .hero-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-copy { text-align: center; }
    .hero-copy > p { margin-inline: auto; }
    .hero-actions, .trust-list { justify-content: center; }
    .path-grid, .method-grid, .callout-inner { grid-template-columns: 1fr; }
    .lesson-grid { grid-template-columns: repeat(2, 1fr); }
    .hub-layout { grid-template-columns: 1fr; }
    .level-guide, .toc { position: static; }
    .lesson-layout { grid-template-columns: 1fr; gap: 20px; }
    .lesson-sidebar { order: 0; }
    .footer-grid { grid-template-columns: 1.3fr repeat(3, 1fr); gap: 25px; }
}

@media (max-width: 700px) {
    body { font-size: 15px; }
    .container { width: min(100% - 28px, var(--container)); }
    .header-inner { min-height: 68px; }
    .brand small { display: none; }
    .hero { padding: 58px 0; }
    .hero h1 { font-size: 38px; }
    .hero-copy > p { font-size: 16px; }
    .lesson-board { padding: 22px; }
    .section { padding: 58px 0; }
    .section-heading { align-items: start; flex-direction: column; gap: 12px; }
    .path-grid, .lesson-grid, .search-results, .contact-grid { grid-template-columns: 1fr; }
    .path-card { grid-template-columns: auto 1fr; padding: 23px; }
    .path-card .arrow { display: none; }
    .path-code { width: 55px; height: 55px; border-radius: 15px; font-size: 19px; }
    .method-grid { gap: 35px; }
    .callout-inner { gap: 14px; }
    .page-hero { padding: 50px 0; }
    .compact-hero p { font-size: 16px; }
    .lesson-row { grid-template-columns: 35px 1fr; gap: 12px; padding: 18px; }
    .lesson-row .circle-link { display: none; }
    .lesson-header { padding: 45px 0 35px; }
    .lesson-lead { font-size: 16px; }
    .byline { grid-template-columns: auto 1fr; }
    .review-date { grid-column: 1 / -1; text-align: right; }
    .lesson-layout { padding-top: 35px; padding-bottom: 55px; }
    .toc { display: none; }
    .example-row { grid-template-columns: 1fr; }
    .example-row p:last-child { border-top: 1px dashed var(--line); }
    .quiz-cta { grid-template-columns: 1fr; }
    .score-card { grid-template-columns: 80px 1fr; gap: 15px; }
    .score-number { font-size: 38px; }
    .large-search { grid-template-columns: 1fr; }
    .large-search .button { width: 100%; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid > div:first-child { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
}

@media (max-width: 430px) {
    .hero-actions .button, .quiz-actions .button { width: 100%; }
    .trust-list { align-items: center; flex-direction: column; gap: 8px; }
    .path-card { grid-template-columns: 1fr; }
    .lesson-row { grid-template-columns: 1fr; }
    .lesson-number { display: none; }
    .author-box { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-grid > div:first-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media print {
    .site-header, .site-footer, .lesson-sidebar, .quiz-cta, .related-section { display: none !important; }
    body { background: white; color: black; }
    .lesson-layout { display: block; padding: 0; }
    .lesson-header { background: white; }
}