[hidden] { display: none !important; }

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.interior-shell { overflow: clip; }

.inner-main {
    width: min(100% - 48px, 1240px);
    margin: 0 auto;
    padding: 34px 0 104px;
}

.breadcrumbs { color: var(--muted); font-size: 12px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before { color: rgba(20, 33, 30, .36); content: "/"; }
.breadcrumbs a { text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px; }
.breadcrumbs a:hover, .breadcrumbs a:focus-visible { color: var(--ink); text-decoration-color: currentColor; }

.section-kicker {
    margin: 0;
    color: var(--muted);
    font: 700 10px/1.4 var(--mono);
    letter-spacing: .1em;
    text-transform: uppercase;
}

.page-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(350px, .48fr);
    gap: clamp(48px, 8vw, 120px);
    align-items: end;
    padding: 88px 0 92px;
}

.page-hero .eyebrow, .lesson-hero .eyebrow, .static-hero .eyebrow { margin-bottom: 24px; }
.page-hero h1, .lesson-hero h1, .static-hero h1 {
    max-width: 900px;
    margin: 0;
    font-size: clamp(52px, 7vw, 92px);
    font-weight: 790;
    line-height: .96;
    letter-spacing: -.07em;
}

.page-hero > div > p:last-child, .lesson-hero-copy > p, .static-hero > p {
    max-width: 720px;
    margin: 26px 0 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.7;
    letter-spacing: -.02em;
}

.route-note {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 18px;
    padding: 25px;
    border: 1px solid var(--ink);
    border-radius: 19px;
    background: var(--lime);
    box-shadow: 6px 6px 0 var(--ink);
}

.route-note-index {
    display: grid;
    place-items: center;
    width: 39px;
    height: 39px;
    border: 1px solid var(--ink);
    border-radius: 50%;
    font: 700 10px var(--mono);
}

.route-note strong { display: block; font-size: 17px; line-height: 1.3; letter-spacing: -.03em; }
.route-note p { margin: 8px 0 16px; color: rgba(20, 33, 30, .7); font-size: 13px; line-height: 1.55; }
.route-note a { display: inline-flex; gap: 8px; font-size: 12px; font-weight: 750; }

.topics-directory { padding: 62px 0 40px; border-top: 1px solid var(--line); }
.section-heading-row { display: flex; justify-content: space-between; gap: 32px; align-items: end; margin-bottom: 30px; }
.section-heading-row h2 { margin: 7px 0 0; font-size: clamp(31px, 4vw, 48px); line-height: 1; letter-spacing: -.055em; }
.section-heading-row > p { margin: 0; color: var(--muted); font-size: 12px; }

.topic-directory-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.topic-list-card {
    position: relative;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 21px;
    align-items: start;
    min-height: 230px;
    padding: 25px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(255, 254, 249, .72);
    transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.topic-list-card::after {
    position: absolute;
    right: -58px;
    bottom: -86px;
    width: 160px;
    height: 160px;
    border: 1px solid rgba(20, 33, 30, .08);
    border-radius: 50%;
    content: "";
}

.topic-list-card:hover { border-color: var(--line-strong); box-shadow: 0 18px 45px rgba(20, 33, 30, .08); transform: translateY(-2px); }
.topic-list-index { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line-strong); border-radius: 50%; font: 700 10px var(--mono); }
.topic-list-body { min-width: 0; }
.topic-list-body h3 { margin: 17px 0 10px; font-size: 25px; line-height: 1.15; letter-spacing: -.045em; }
.topic-list-body h3 a::after { position: absolute; inset: 0; z-index: 1; content: ""; }
.topic-list-body > p:not(.section-kicker) { max-width: 450px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.topic-meta { display: flex; flex-wrap: wrap; gap: 7px; margin: 24px 0 0; padding: 0; list-style: none; }
.topic-meta li { padding: 6px 9px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); font: 650 10px var(--mono); }

.round-link {
    position: relative;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 45px;
    height: 45px;
    border: 1px solid var(--ink);
    border-radius: 50%;
    background: var(--ink);
    color: var(--white);
    font-size: 18px;
    transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.round-link:hover, .round-link:focus-visible { background: var(--lime); color: var(--ink); transform: rotate(-8deg); }

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 360px;
    padding: 48px 24px;
    border: 1px dashed var(--line-strong);
    border-radius: 22px;
    background: rgba(255, 254, 249, .55);
    text-align: center;
}

.empty-state > span { display: grid; place-items: center; width: 58px; height: 58px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--orange); font-size: 29px; }
.empty-state h2 { margin: 22px 0 8px; font-size: 28px; letter-spacing: -.045em; }
.empty-state p { max-width: 520px; margin: 0 0 25px; color: var(--muted); line-height: 1.6; }
.compact-empty { min-height: 300px; }

.inline-cta {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    align-items: center;
    margin-top: 72px;
    padding: 46px;
    border: 1px solid var(--ink);
    border-radius: 25px;
    background: var(--orange);
    box-shadow: 8px 8px 0 var(--ink);
}

.inline-cta h2 { max-width: 700px; margin: 7px 0 0; font-size: clamp(30px, 4vw, 47px); line-height: 1.04; letter-spacing: -.055em; }
.inline-cta .section-kicker { color: rgba(20, 33, 30, .65); }

/* Konu anlatımı */
.lesson-main { padding-top: 34px; }
.lesson-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(330px, .45fr);
    gap: clamp(45px, 8vw, 110px);
    align-items: end;
    padding: 82px 0 76px;
    border-bottom: 1px solid var(--line);
}

.lesson-hero h1 { font-size: clamp(49px, 6.5vw, 82px); }
.lesson-meta { display: flex; flex-wrap: wrap; gap: 18px; margin: 25px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 11px; }
.lesson-meta li { display: inline-flex; gap: 7px; align-items: center; }

.outcome-card { padding: 27px; border: 1px solid var(--ink); border-radius: 20px; background: var(--ink); color: var(--white); box-shadow: 6px 6px 0 var(--lime); }
.outcome-card .section-kicker { color: var(--lime); }
.outcome-card h2 { margin: 12px 0 20px; font-size: 23px; line-height: 1.15; letter-spacing: -.04em; }
.outcome-card ul { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.outcome-card li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; color: rgba(255, 255, 255, .72); font-size: 12px; line-height: 1.5; }
.outcome-card li span { display: grid; place-items: center; width: 21px; height: 21px; border-radius: 50%; background: var(--lime); color: var(--ink); font-weight: 800; }

.lesson-layout { display: grid; grid-template-columns: 250px minmax(0, 780px); gap: clamp(55px, 9vw, 130px); justify-content: center; padding-top: 68px; }
.lesson-sidebar { min-width: 0; }
.lesson-toc { position: sticky; top: 28px; padding: 21px; border: 1px solid var(--line); border-radius: 17px; background: rgba(255, 254, 249, .58); }
.lesson-toc ol { display: grid; gap: 2px; margin: 15px 0 0; padding: 0; list-style: none; }
.lesson-toc a { display: grid; grid-template-columns: 27px 1fr; gap: 9px; align-items: start; padding: 9px 7px; border-radius: 9px; color: var(--muted); font-size: 11px; line-height: 1.4; }
.lesson-toc a:hover, .lesson-toc a:focus-visible { background: var(--paper-deep); color: var(--ink); }
.lesson-toc a span { color: var(--orange); font: 700 9px/1.6 var(--mono); }
.editor-note { display: flex; gap: 11px; align-items: center; margin-top: 16px; padding: 15px; border-top: 1px solid var(--line); }
.editor-avatar { display: grid; place-items: center; width: 37px; height: 37px; border: 1px solid var(--ink); border-radius: 50%; background: var(--lime); font: 800 10px var(--mono); }
.editor-note div { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.editor-note small { color: var(--muted); font-size: 9px; }
.editor-note strong { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }

.lesson-article { min-width: 0; }
.lesson-section { scroll-margin-top: 30px; padding: 0 0 70px; }
.lesson-section + .lesson-section { padding-top: 65px; border-top: 1px solid var(--line); }
.lesson-section-heading, .static-section-heading { display: grid; grid-template-columns: 45px 1fr; gap: 16px; align-items: start; margin-bottom: 30px; }
.lesson-section-heading > span, .static-section-heading > span { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line-strong); border-radius: 50%; font: 700 10px var(--mono); }
.lesson-section h2, .static-section-heading h2 { margin: 0; font-size: clamp(30px, 4vw, 43px); line-height: 1.1; letter-spacing: -.055em; }
.lesson-section > p, .static-article section > p { margin: 0 0 20px; color: var(--ink-soft); font-size: 18px; line-height: 1.82; letter-spacing: -.015em; }
.lesson-section > p:first-of-type { font-size: 20px; line-height: 1.75; }
.lesson-list, .static-article section > ul { display: grid; gap: 12px; margin: 27px 0; padding: 0; list-style: none; }
.lesson-list li, .static-article section > ul li { position: relative; padding-left: 25px; color: var(--ink-soft); font-size: 16px; line-height: 1.65; }
.lesson-list li::before, .static-article section > ul li::before { position: absolute; top: .67em; left: 2px; width: 8px; height: 8px; border-radius: 50%; background: var(--orange); content: ""; }

.lesson-callout { display: grid; grid-template-columns: 42px 1fr; gap: 16px; margin: 32px 0; padding: 22px; border: 1px solid var(--ink); border-radius: 16px; background: var(--lime); box-shadow: 4px 4px 0 var(--ink); }
.lesson-callout > span { display: grid; place-items: center; width: 39px; height: 39px; border-radius: 50%; background: var(--ink); color: var(--lime); font-weight: 850; }
.lesson-callout strong { display: block; margin-top: 2px; font-size: 14px; }
.lesson-callout p { margin: 6px 0 0; color: rgba(20, 33, 30, .72); font-size: 13px; line-height: 1.6; }
.callout-trap { background: #ffd6c9; }
.callout-rule { background: #dce3ff; }

.example-stack { display: grid; gap: 12px; margin-top: 30px; }
.worked-example { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 16px; background: var(--white); }
.worked-example > div { display: grid; gap: 9px; padding: 20px; }
.worked-example span { color: var(--orange); font: 750 9px var(--mono); letter-spacing: .11em; }
.worked-example strong { font-size: 16px; line-height: 1.55; }
.worked-example > p { margin: 0; padding: 18px 20px; border-top: 1px solid var(--line); background: rgba(233, 227, 215, .42); color: var(--muted); font-size: 13px; line-height: 1.65; }

.lesson-tests { scroll-margin-top: 30px; padding-top: 62px; border-top: 1px solid var(--line); }
.lesson-test-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.lesson-test-grid article { position: relative; min-height: 190px; padding: 22px; border: 1px solid var(--line); border-radius: 17px; background: rgba(255, 254, 249, .7); }
.lesson-test-number { color: var(--orange); font: 750 10px var(--mono); }
.lesson-test-grid h3 { max-width: 270px; margin: 35px 0 7px; font-size: 20px; line-height: 1.2; letter-spacing: -.04em; }
.lesson-test-grid h3 a::after { position: absolute; inset: 0; content: ""; }
.lesson-test-grid p { margin: 0; color: var(--muted); font-size: 11px; }
.lesson-test-grid .round-link { position: absolute; right: 18px; bottom: 18px; }

.related-topics { padding-top: 82px; }
.related-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.related-card-grid article { position: relative; min-height: 220px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 254, 249, .6); }
.related-card-grid h3 { margin: 26px 0 9px; font-size: 22px; letter-spacing: -.04em; }
.related-card-grid h3 a::after { position: absolute; inset: 0; content: ""; }
.related-card-grid article > p:not(.section-kicker) { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.related-card-grid article > a { position: absolute; bottom: 22px; left: 24px; z-index: 1; font-size: 11px; font-weight: 750; }

/* Uzun konu rehberi */
.guide-main { max-width: 1180px; }
.guide-hero { max-width: 980px; padding: 80px 0 68px; }
.guide-hero .eyebrow { margin-bottom: 24px; }
.guide-hero h1 { margin: 0; font-size: clamp(54px, 7.5vw, 94px); font-weight: 790; line-height: .94; letter-spacing: -.075em; }
.guide-deck { max-width: 790px; margin: 28px 0 0; color: var(--muted); font-size: 19px; line-height: 1.7; letter-spacing: -.022em; }
.guide-byline { display: flex; flex-wrap: wrap; gap: 13px 18px; align-items: center; margin-top: 32px; padding-top: 25px; border-top: 1px solid var(--line); }
.guide-byline > div { display: flex; flex-direction: column; gap: 3px; }
.guide-byline > div small { color: var(--muted); font-size: 9px; }
.guide-byline > div strong { font-size: 12px; }
.guide-byline ul { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 0 auto; padding: 0; color: var(--muted); font-size: 10px; list-style: none; }
.guide-byline li + li { padding-left: 18px; border-left: 1px solid var(--line); }

.guide-layout { display: grid; grid-template-columns: 245px minmax(0, 790px); gap: clamp(56px, 8vw, 105px); justify-content: center; padding-top: 58px; border-top: 1px solid var(--line); }
.ad-placement { display: grid; place-items: center; min-height: 250px; margin: 54px 0; padding: 32px 18px 18px; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: rgba(255, 254, 249, .58); }
.ad-placement__label { align-self: start; justify-self: start; color: var(--muted); font: 700 8px var(--mono); letter-spacing: .12em; }
.ad-placement .adsbygoogle { width: 100%; min-height: 180px; }
.ad-placement--article { min-height: 280px; }
.ad-placement--directory { min-height: 220px; margin: 12px 0 45px; }
.guide-sidebar { min-width: 0; }
.guide-toc { max-height: calc(100vh - 56px); overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.guide-article { min-width: 0; }
.guide-lede { scroll-margin-top: 28px; padding: 0 0 70px; }
.guide-lede > h2 { margin: 11px 0 27px; font-size: clamp(34px, 4.5vw, 50px); line-height: 1.07; letter-spacing: -.06em; }
.guide-lede > p:not(.section-kicker) { margin: 0 0 21px; color: var(--ink-soft); font-size: 19px; line-height: 1.82; letter-spacing: -.017em; }
.guide-lede > p:nth-of-type(2)::first-letter { float: left; margin: .09em .13em 0 0; color: var(--ink); font-size: 4.3em; font-weight: 790; line-height: .75; letter-spacing: -.08em; }

.guide-section { scroll-margin-top: 28px; padding: 68px 0; border-top: 1px solid var(--line); }
.guide-section-title { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 17px; align-items: start; margin-bottom: 31px; }
.guide-section-title > span { display: grid; place-items: center; width: 43px; height: 43px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--orange); font: 780 10px var(--mono); }
.guide-section-title h2 { margin: 7px 0 0; font-size: clamp(31px, 4.5vw, 46px); line-height: 1.08; letter-spacing: -.057em; }
.section-intro { max-width: 690px; margin: -7px 0 27px; color: var(--muted); font-size: 14px; line-height: 1.7; }

.summary-table-wrap { overflow-x: auto; border: 1px solid var(--line-strong); border-radius: 17px; background: var(--white); box-shadow: 5px 5px 0 var(--ink); }
.summary-table { width: 100%; min-width: 680px; border-collapse: collapse; }
.summary-table caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.summary-table th, .summary-table td { padding: 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.summary-table thead th { background: var(--ink); color: var(--white); font: 720 9px var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.summary-table tbody th { width: 25%; font-size: 13px; line-height: 1.5; }
.summary-table tbody td { color: var(--muted); font-size: 12px; line-height: 1.6; }
.summary-table tbody td:last-child { color: #8b3d2f; }
.summary-table tbody tr:last-child > * { border-bottom: 0; }

.preparation-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.preparation-grid article { min-height: 220px; padding: 21px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255, 254, 249, .72); }
.preparation-grid article > span { color: var(--orange); font: 750 9px var(--mono); }
.preparation-grid h3 { margin: 39px 0 9px; font-size: 18px; letter-spacing: -.035em; }
.preparation-grid p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.62; }

.quick-answer-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.quick-answer-grid article { position: relative; min-height: 160px; padding: 22px; overflow: hidden; border: 1px solid var(--ink); border-radius: 16px; background: var(--lime); }
.quick-answer-grid article:nth-child(4n + 2), .quick-answer-grid article:nth-child(4n + 3) { background: var(--paper-deep); }
.quick-answer-grid article > span { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 50%; background: var(--ink); color: var(--lime); }
.quick-answer-grid small { position: absolute; top: 22px; right: 22px; font: 750 9px var(--mono); }
.quick-answer-grid p { margin: 26px 0 0; font-size: 14px; font-weight: 650; line-height: 1.55; }

.guide-detail-section { padding-top: 80px; }
.use-case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 24px; }
.use-case-grid > div { display: grid; grid-template-columns: 54px minmax(0, 1fr); gap: 2px 13px; min-height: 130px; padding: 19px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 254, 249, .65); }
.use-case-grid > div > span { grid-row: 1 / span 2; display: grid; place-items: center; align-self: start; width: 50px; min-height: 32px; border-radius: 99px; background: var(--paper-deep); font: 750 8px var(--mono); }
.use-case-grid strong { font-size: 12px; }
.use-case-grid p { margin: 6px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }

.short-answer-card { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 17px; margin: 25px 0; padding: 23px; border: 1px solid var(--ink); border-radius: 16px; background: var(--orange); box-shadow: 5px 5px 0 var(--ink); }
.short-answer-card > span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--ink); color: var(--white); font-size: 18px; }
.short-answer-card .section-kicker { color: rgba(20, 33, 30, .63); }
.short-answer-card strong { display: block; margin-top: 8px; font-size: 16px; line-height: 1.55; }

.guide-example-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 31px 0; }
.guide-example-grid article { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 15px; background: var(--white); }
.guide-example-grid article > span { display: block; padding: 15px 18px 0; color: var(--orange); font: 750 8px var(--mono); letter-spacing: .1em; }
.guide-example-grid strong { display: block; padding: 10px 18px 17px; font-size: 14px; line-height: 1.55; }
.guide-example-grid p { margin: 0; padding: 15px 18px 17px; border-top: 1px solid var(--line); background: rgba(233, 227, 215, .38); color: var(--muted); font-size: 11px; line-height: 1.62; }

.deep-explanation { margin-top: 34px; }
.deep-explanation > .section-kicker { margin-bottom: 17px; }
.deep-explanation > p:not(.section-kicker) { margin: 0 0 21px; color: var(--ink-soft); font-size: 18px; line-height: 1.84; letter-spacing: -.015em; }

.right-wrong-stack { display: grid; gap: 12px; margin-top: 33px; }
.right-wrong-stack > article { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 16px; background: var(--white); }
.wrong-side, .right-side { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 13px; align-items: center; padding: 17px 19px; }
.wrong-side { background: #fff0ed; }
.right-side { border-top: 1px solid var(--line); background: #edf8f4; }
.wrong-side > span, .right-side > span { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; font-weight: 850; }
.wrong-side > span { background: #ffd9d1; color: var(--danger); }
.right-side > span { background: #d7f2e9; color: var(--success); }
.wrong-side div, .right-side div { display: flex; flex-direction: column; gap: 4px; }
.wrong-side small, .right-side small { color: var(--muted); font: 720 8px var(--mono); letter-spacing: .08em; }
.wrong-side strong, .right-side strong { font-size: 13px; line-height: 1.45; }
.right-wrong-stack > article > p { margin: 0; padding: 15px 19px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; line-height: 1.62; }

.lesson-media-grid, .practice-cta-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.lesson-media-grid figure { margin: 0; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 16px; background: var(--white); }
.lesson-media-grid img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; background: var(--paper-deep); }
.lesson-media-grid figure > a { display: flex; justify-content: space-between; gap: 18px; min-height: 74px; padding: 22px; background: var(--paper-deep); font-size: 13px; font-weight: 760; }
.lesson-media-grid figcaption { display: grid; gap: 6px; padding: 16px 18px; color: var(--ink-soft); font-size: 12px; line-height: 1.6; }
.lesson-media-grid figcaption small { color: var(--muted); font: 700 9px var(--mono); }
.lesson-media-grid details { border-top: 1px solid var(--line); }
.lesson-media-grid summary { padding: 14px 18px; cursor: pointer; font-size: 11px; font-weight: 750; }
.lesson-media-grid details p { margin: 0; padding: 0 18px 18px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.practice-cta-grid article { display: flex; flex-direction: column; align-items: flex-start; min-height: 210px; padding: 25px; border: 1px solid var(--ink); border-radius: 18px; background: var(--lime); box-shadow: 5px 5px 0 var(--ink); }
.practice-cta-grid article:nth-child(even) { background: var(--paper-deep); }
.practice-cta-grid h3 { margin: 0 0 10px; font-size: 22px; letter-spacing: -.04em; }
.practice-cta-grid p { margin: 0 0 22px; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }
.practice-cta-grid .button { margin-top: auto; }

.study-method > ol { display: grid; margin: 0; padding: 0; border: 1px solid var(--ink); border-radius: 17px; background: var(--white); list-style: none; box-shadow: 5px 5px 0 var(--ink); }
.study-method li { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 15px; align-items: center; min-height: 84px; padding: 15px 20px; }
.study-method li + li { border-top: 1px solid var(--line); }
.study-method li > span { display: grid; place-items: center; width: 43px; height: 43px; border-radius: 50%; background: var(--lime); font: 780 10px var(--mono); }
.study-method li p { margin: 0; font-size: 14px; font-weight: 610; line-height: 1.55; }

.attention-section > ul { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.attention-section li { display: grid; grid-template-columns: 33px minmax(0, 1fr); gap: 13px; align-items: center; min-height: 65px; padding: 13px 16px; border: 1px solid #e3aa98; border-radius: 13px; background: #fff0eb; color: #773c2d; font-size: 13px; line-height: 1.55; }
.attention-section li span { display: grid; place-items: center; width: 31px; height: 31px; border-radius: 50%; background: var(--orange); color: var(--ink); font-weight: 850; }

.faq-list { display: grid; gap: 9px; }
.faq-list details { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.faq-list details[open] { border-color: var(--line-strong); }
.faq-list summary { display: grid; grid-template-columns: 34px minmax(0, 1fr) 24px; gap: 13px; align-items: center; min-height: 68px; padding: 14px 17px; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { color: var(--orange); font: 750 9px var(--mono); }
.faq-list summary strong { font-size: 13px; line-height: 1.45; }
.faq-list summary b { font-size: 19px; transition: transform 180ms ease; }
.faq-list details[open] summary b { transform: rotate(180deg); }
.faq-list details > p { margin: 0; padding: 0 17px 20px 64px; color: var(--muted); font-size: 13px; line-height: 1.7; }

.sources-section > ol { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.sources-section li { display: flex; justify-content: space-between; gap: 25px; align-items: center; padding: 18px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255, 254, 249, .64); }
.sources-section li strong { font-size: 13px; }
.sources-section li p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.sources-section li a { flex: 0 0 auto; font-size: 10px; font-weight: 750; text-decoration: underline; text-underline-offset: 4px; }

.institutional-editor { scroll-margin-top: 28px; display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 26px; margin-top: 68px; padding: 29px; border: 1px solid var(--ink); border-radius: 20px; background: var(--ink); color: var(--white); box-shadow: 7px 7px 0 var(--lime); }
.editor-seal { display: grid; place-items: center; width: 88px; height: 88px; border: 1px solid rgba(255, 255, 255, .42); border-radius: 50%; background: var(--lime); color: var(--ink); font: 820 19px var(--mono); }
.institutional-editor .section-kicker { color: var(--lime); }
.institutional-editor h2 { margin: 7px 0 4px; font-size: 25px; letter-spacing: -.045em; }
.institutional-editor strong { color: rgba(255, 255, 255, .68); font-size: 10px; }
.institutional-editor p { max-width: 570px; margin: 13px 0 17px; color: rgba(255, 255, 255, .68); font-size: 12px; line-height: 1.65; }
.institutional-editor a { display: inline-flex; gap: 8px; color: var(--lime); font-size: 11px; font-weight: 750; }
.guide-tests { scroll-margin-top: 28px; padding-top: 78px; }

/* Test oynatıcı */
.quiz-site-shell { overflow: clip; }
.focus-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: min(100% - 48px, 1120px);
    min-height: 78px;
    margin: 0 auto;
    border-bottom: 1px solid var(--line);
}

.focus-header-label { display: inline-flex; gap: 8px; align-items: center; color: var(--muted); font: 700 9px var(--mono); letter-spacing: .11em; }
.focus-header-label span { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(255, 106, 61, .13); }
.focus-exit { justify-self: end; padding: 8px 0; color: var(--muted); font-size: 11px; text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px; }
.focus-exit:hover, .focus-exit:focus-visible { color: var(--ink); text-decoration-color: currentColor; }
.quiz-main { width: min(100% - 48px, 920px); margin: 0 auto; padding: 32px 0 90px; }
.quiz-intro { padding: 44px 0 36px; }
.quiz-intro > .section-kicker { margin-top: 38px; color: var(--orange); }
.quiz-intro h1 { max-width: 760px; margin: 10px 0 0; font-size: clamp(42px, 6vw, 68px); line-height: 1; letter-spacing: -.065em; }
.quiz-intro > p:not(.section-kicker) { max-width: 700px; margin: 22px 0 0; color: var(--muted); font-size: 16px; line-height: 1.7; }
.quiz-facts { display: flex; flex-wrap: wrap; gap: 0; margin: 34px 0 0; padding: 0; list-style: none; }
.quiz-facts li { display: flex; flex-direction: column; gap: 4px; min-width: 130px; padding: 0 25px; border-left: 1px solid var(--line); }
.quiz-facts li:first-child { padding-left: 0; border-left: 0; }
.quiz-facts strong { font-size: 14px; }
.quiz-facts span { color: var(--muted); font-size: 9px; }

.form-error-summary, .blank-warning { margin: 8px 0 24px; padding: 19px 21px; border: 1px solid var(--danger); border-radius: 14px; background: #fff0ed; }
.form-error-summary strong, .blank-warning strong { font-size: 13px; }
.form-error-summary ul { margin: 9px 0 0; padding-left: 20px; color: var(--danger); font-size: 12px; line-height: 1.6; }
.blank-warning p { margin: 6px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.blank-question-links { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 13px; }
.blank-question-links button { min-height: 36px; padding: 0 12px; border: 1px solid var(--danger); border-radius: 99px; background: var(--white); color: var(--danger); cursor: pointer; font-size: 11px; font-weight: 700; }

.quiz-player { padding: 28px; border: 1px solid var(--ink); border-radius: 24px; background: var(--white); box-shadow: 8px 8px 0 var(--ink); }
.player-status { display: none; grid-template-columns: 1fr auto; gap: 14px 30px; align-items: end; margin-bottom: 27px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.quiz-player.has-quiz-js .player-status { display: grid; }
.player-status > div { display: flex; flex-direction: column; gap: 5px; }
.player-status strong { font-size: 13px; }
.player-status > span { color: var(--muted); font-size: 10px; }
.player-status progress { grid-column: 1 / -1; width: 100%; height: 5px; overflow: hidden; border: 0; border-radius: 99px; background: rgba(20, 33, 30, .1); }
.player-status progress::-webkit-progress-bar { background: rgba(20, 33, 30, .1); }
.player-status progress::-webkit-progress-value { border-radius: 99px; background: var(--orange); transition: width 180ms ease; }
.player-status progress::-moz-progress-bar { border-radius: 99px; background: var(--orange); }
.noscript-note { margin: 0 0 24px; padding: 15px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); font-size: 12px; line-height: 1.55; }

.question-stack { display: grid; gap: 32px; }
.quiz-question { min-width: 0; margin: 0; padding: 0 0 31px; border: 0; border-bottom: 1px solid var(--line); }
.quiz-player.has-quiz-js .quiz-question { padding-bottom: 0; border-bottom: 0; }
.question-heading { display: grid; grid-template-columns: 50px minmax(0, 1fr); gap: 17px; align-items: start; }
.question-number { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--ink); border-radius: 50%; background: var(--lime); font: 800 11px var(--mono); }
.question-heading .section-kicker { margin: 2px 0 8px; }
.question-heading h2 { max-width: 720px; margin: 0; font-size: clamp(21px, 3vw, 29px); line-height: 1.4; letter-spacing: -.035em; }
.question-passage { margin: 25px 0 21px 67px; padding: 20px 22px; border: 0; border-left: 3px solid var(--orange); border-radius: 0 13px 13px 0; background: var(--paper); color: var(--ink-soft); font-size: 15px; font-weight: 560; line-height: 1.7; }
.quiz-choice-list { display: grid; gap: 10px; margin: 26px 0 0 67px; padding: 0; list-style: none; }
.quiz-choice { position: relative; display: grid; grid-template-columns: 39px minmax(0, 1fr) 22px; gap: 14px; align-items: center; min-height: 64px; padding: 10px 16px 10px 11px; border: 1px solid var(--line); border-radius: 13px; background: #fff; cursor: pointer; transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease, transform 160ms ease; }
.quiz-choice:hover { border-color: var(--line-strong); transform: translateX(2px); }
.quiz-choice:focus-within { outline: 3px solid var(--orange); outline-offset: 3px; }
.quiz-choice input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.choice-key { display: grid; place-items: center; width: 37px; height: 37px; border: 1px solid var(--line-strong); border-radius: 10px; font: 800 11px var(--mono); }
.choice-text { font-size: 14px; line-height: 1.5; }
.choice-indicator { display: grid; place-items: center; width: 20px; height: 20px; border: 1px solid var(--line-strong); border-radius: 50%; }
.quiz-choice input:checked ~ .choice-indicator { border: 6px solid var(--ink); background: var(--lime); }
.quiz-choice:has(input:checked) { border-color: var(--ink); background: var(--lime); box-shadow: 3px 3px 0 var(--ink); }
.quiz-choice:has(input:checked) .choice-key { border-color: var(--ink); background: var(--white); }
.question-data-error { margin: 24px 0 0 67px; color: var(--danger); font-size: 13px; }

.quiz-nojs-submit { display: flex; justify-content: flex-end; margin-top: 28px; }
.quiz-player.has-quiz-js .quiz-nojs-submit { display: none; }
.quiz-js-controls { display: none; justify-content: space-between; gap: 13px; align-items: center; margin-top: 28px; padding-top: 23px; border-top: 1px solid var(--line); }
.quiz-player.has-quiz-js .quiz-js-controls { display: flex; }
.quiz-js-controls .button { cursor: pointer; }
.quiz-js-controls .button:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.quiz-back-button { background: transparent; }
.quiz-empty { margin-top: 30px; }
.focus-footer { display: flex; justify-content: space-between; gap: 30px; width: min(100% - 48px, 1120px); margin: 0 auto; padding: 30px 0 42px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.focus-footer p { margin: 0; }
.focus-footer a { text-decoration: underline; text-underline-offset: 3px; }

/* Sonuç ve yanlış haritası */
.result-main { padding-top: 34px; }
.result-hero { display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: clamp(48px, 8vw, 110px); align-items: center; padding: 72px 0 60px; }
.result-score-card { padding: 27px; border: 1px solid var(--ink); border-radius: 24px; background: var(--lime); box-shadow: 7px 7px 0 var(--ink); }
.result-score-card .section-kicker { color: rgba(20, 33, 30, .65); }
.score-value { display: flex; align-items: baseline; gap: 8px; margin: 24px 0 21px; }
.score-value strong { font-size: 64px; line-height: .9; letter-spacing: -.075em; }
.score-value span { color: rgba(20, 33, 30, .62); font-size: 11px; }
.result-score-card progress { width: 100%; height: 8px; overflow: hidden; border: 1px solid var(--ink); border-radius: 99px; background: rgba(255, 254, 249, .6); }
.result-score-card progress::-webkit-progress-bar { background: rgba(255, 254, 249, .6); }
.result-score-card progress::-webkit-progress-value { background: var(--ink); }
.result-score-card progress::-moz-progress-bar { background: var(--ink); }
.result-summary .eyebrow { margin-bottom: 20px; }
.result-summary h1 { max-width: 760px; margin: 0; font-size: clamp(43px, 6vw, 72px); line-height: .98; letter-spacing: -.067em; }
.result-summary > p { max-width: 700px; margin: 23px 0 0; color: var(--muted); font-size: 17px; line-height: 1.67; }
.result-actions { display: flex; gap: 27px; align-items: center; margin-top: 28px; }

.result-stats { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--line); list-style: none; }
.result-stats li { position: relative; display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; align-items: center; min-height: 112px; padding: 22px; background: var(--white); }
.result-stats li > span { grid-row: 1 / span 2; display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; font-weight: 800; }
.result-stats strong { font-size: 24px; line-height: 1; }
.result-stats small { color: var(--muted); font-size: 10px; }
.result-stats .stat-correct > span { background: #dff5ec; color: var(--success); }
.result-stats .stat-wrong > span { background: #ffe4de; color: var(--danger); }
.result-stats .stat-blank > span { background: var(--paper-deep); color: var(--muted); }

.wrong-map, .answer-review { padding-top: 88px; }
.recommendation-grid { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.recommendation-grid::before { position: absolute; top: 34px; right: 15%; left: 15%; height: 1px; background: var(--line-strong); content: ""; }
.recommendation-card { position: relative; min-height: 270px; padding: 65px 23px 23px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 254, 249, .72); }
.map-node { position: absolute; top: 17px; left: 23px; z-index: 2; display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--ink); border-radius: 50%; background: var(--lime); }
.map-node span { width: 8px; height: 8px; border-radius: 50%; background: var(--ink); }
.recommendation-card h3 { margin: 18px 0 9px; font-size: 23px; letter-spacing: -.045em; }
.recommendation-card h3 a::after { position: absolute; inset: 0; content: ""; }
.recommendation-card > p:not(.section-kicker) { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.recommendation-card > div:last-child { position: absolute; right: 23px; bottom: 21px; left: 23px; z-index: 1; display: flex; justify-content: space-between; gap: 15px; font-size: 10px; font-weight: 750; }

.review-list { display: grid; gap: 10px; }
.review-item { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.review-item[open] { border-color: var(--line-strong); box-shadow: 0 16px 44px rgba(20, 33, 30, .06); }
.review-item summary { display: grid; grid-template-columns: 45px minmax(0, 1fr) auto 28px; gap: 15px; align-items: center; min-height: 88px; padding: 14px 20px; cursor: pointer; list-style: none; }
.review-item summary::-webkit-details-marker { display: none; }
.review-index { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--line-strong); border-radius: 50%; font: 750 10px var(--mono); }
.review-summary-copy { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.review-summary-copy small { color: var(--muted); font: 700 8px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.review-summary-copy strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.review-status { display: inline-flex; gap: 7px; align-items: center; font-size: 10px; font-weight: 750; }
.review-status b { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; }
.review-correct .review-status b { background: #dff5ec; color: var(--success); }
.review-wrong .review-status b { background: #ffe4de; color: var(--danger); }
.review-blank .review-status b { background: var(--paper-deep); color: var(--muted); }
.review-chevron { font-size: 20px; transition: transform 180ms ease; }
.review-item[open] .review-chevron { transform: rotate(180deg); }
.review-detail { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; padding: 4px 20px 20px 80px; }
.review-detail > blockquote { grid-column: 1 / -1; margin: 0 0 6px; padding: 18px; border-left: 3px solid var(--orange); background: var(--paper); color: var(--ink-soft); font-size: 13px; line-height: 1.65; }
.answer-explanation { padding: 18px; border: 1px solid var(--line); border-radius: 13px; background: var(--paper); }
.answer-explanation .section-kicker { margin-bottom: 10px; }
.answer-explanation strong { display: block; font-size: 13px; line-height: 1.45; }
.answer-explanation > p:not(.section-kicker) { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.correct-explanation { background: #edf8f4; }
.correct-explanation .section-kicker { color: var(--success); }
.selected-explanation .section-kicker { color: var(--orange); }
.result-cta { margin-top: 88px; }

/* Kurumsal / statik sayfalar */
.static-main { max-width: 1120px; }
.static-hero { max-width: 880px; padding: 86px 0 74px; }
.static-hero h1 { font-size: clamp(50px, 7vw, 84px); }
.static-hero small { display: block; margin-top: 26px; color: var(--muted); font-size: 10px; }
.static-layout { display: grid; grid-template-columns: 230px minmax(0, 700px); gap: clamp(55px, 9vw, 120px); justify-content: center; padding-top: 65px; border-top: 1px solid var(--line); }
.static-article > section { scroll-margin-top: 30px; padding-bottom: 58px; }
.static-article > section + section { padding-top: 58px; border-top: 1px solid var(--line); }
.static-article .static-section-heading { margin-bottom: 25px; }
.static-article section > p { font-size: 17px; }
.static-actions { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 20px; }
.static-section-cta { margin-top: 12px; }

/* Sınıf ve sınav bazlı test keşfi */
.test-discovery { padding: 62px 0 72px; border-top: 1px solid var(--line); }
.test-grade-shortcuts { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 9px; }
.test-grade-shortcuts a {
    position: relative;
    display: grid;
    grid-template-columns: 39px minmax(0, 1fr);
    gap: 3px 11px;
    align-items: center;
    min-height: 92px;
    padding: 16px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: rgba(255, 254, 249, .68);
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.test-grade-shortcuts a:nth-child(4n + 1) { background: rgba(217, 255, 87, .32); }
.test-grade-shortcuts a:nth-child(4n + 2) { background: rgba(113, 137, 255, .12); }
.test-grade-shortcuts a:nth-child(4n + 3) { background: rgba(255, 106, 61, .1); }
.test-grade-shortcuts a:hover, .test-grade-shortcuts a:focus-visible { border-color: var(--ink); box-shadow: 4px 4px 0 var(--ink); transform: translate(-2px, -2px); }
.test-grade-shortcuts span { grid-row: 1 / span 2; display: grid; place-items: center; width: 37px; height: 37px; border: 1px solid var(--ink); border-radius: 50%; font: 760 11px var(--mono); }
.test-grade-shortcuts strong { align-self: end; font-size: 13px; letter-spacing: -.025em; }
.test-grade-shortcuts small { align-self: start; color: var(--muted); font-size: 9px; }
.test-path-actions { display: flex; flex-wrap: wrap; gap: 12px 25px; margin-top: 20px; }
.test-path-actions a { display: inline-flex; gap: 9px; align-items: center; font-size: 12px; font-weight: 750; text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 5px; }
.test-path-actions a:hover, .test-path-actions a:focus-visible { text-decoration-color: currentColor; }
.test-group-stack { display: grid; gap: 58px; }
.qa-main { padding-bottom: 110px; }
.qa-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .72fr); gap: clamp(48px, 8vw, 110px); align-items: end; padding: 74px 0 62px; }
.qa-hero h1 { max-width: 790px; margin: 12px 0 0; font-size: clamp(52px, 7.8vw, 96px); line-height: .92; letter-spacing: -.072em; }
.qa-hero h1 em { color: var(--orange); font-style: normal; }
.qa-hero > div > p:last-child { max-width: 680px; margin: 25px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.qa-search { padding: 24px; border: 1px solid var(--ink); border-radius: 18px; background: var(--lime); box-shadow: 6px 6px 0 var(--ink); }
.qa-search > label { display: block; margin-bottom: 11px; font: 760 9px var(--mono); letter-spacing: .1em; }
.qa-search > div { display: grid; grid-template-columns: 1fr auto; overflow: hidden; border: 1px solid var(--ink); border-radius: 11px; background: var(--white); }
.qa-search input { min-width: 0; min-height: 54px; padding: 0 15px; border: 0; background: transparent; color: var(--ink); font: 600 14px var(--sans); }
.qa-search button { min-width: 82px; border: 0; border-left: 1px solid var(--ink); background: var(--ink); color: var(--white); font-weight: 800; cursor: pointer; }
.qa-filters { display: flex; gap: 9px; padding: 22px 0; overflow-x: auto; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); scrollbar-width: thin; }
.qa-filters a { display: inline-flex; gap: 9px; align-items: center; flex: 0 0 auto; min-height: 38px; padding: 8px 13px; border: 1px solid var(--line); border-radius: 99px; background: rgba(255, 254, 249, .64); font-size: 11px; font-weight: 750; }
.qa-filters a[aria-current="page"] { border-color: var(--ink); background: var(--ink); color: var(--white); }
.qa-filters span { color: var(--orange); font: 780 9px var(--mono); }
.qa-results { padding-top: 65px; }
.qa-results > header { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 24px; }
.qa-results > header h2 { margin: 8px 0 0; font-size: clamp(34px, 5vw, 58px); line-height: 1; letter-spacing: -.058em; }
.qa-results > header > span { color: var(--muted); font: 720 10px var(--mono); }
.qa-limit-note { margin: -8px 0 24px; padding: 14px 16px; border-left: 3px solid var(--orange); background: rgba(255, 132, 82, .08); color: var(--muted); font-size: 12px; line-height: 1.65; }
.qa-list { display: grid; border-top: 1px solid var(--line); }
.qa-list details { border-bottom: 1px solid var(--line); }
.qa-list summary { display: grid; grid-template-columns: 46px minmax(0, 1fr) auto 28px; gap: 16px; align-items: center; min-height: 88px; padding: 15px 12px; cursor: pointer; list-style: none; }
.qa-list summary::-webkit-details-marker { display: none; }
.qa-list summary > span { color: var(--orange); font: 780 9px var(--mono); }
.qa-list summary strong { font-size: 17px; line-height: 1.45; }
.qa-list summary small { color: var(--muted); font: 720 9px var(--mono); }
.qa-list summary b { font-size: 20px; transition: transform 180ms ease; }
.qa-list details[open] summary b { transform: rotate(180deg); }
.qa-list details > div { max-width: 850px; padding: 0 56px 28px 74px; }
.qa-list details > div p { margin: 0; color: var(--ink-soft); font-size: 16px; line-height: 1.8; }
.qa-list details > div a { display: inline-flex; gap: 9px; margin-top: 18px; color: var(--orange-dark); font-size: 11px; font-weight: 780; }
.test-scope-group { scroll-margin-top: 25px; }
.test-scope-group > header { display: flex; justify-content: space-between; gap: 30px; align-items: end; margin-bottom: 21px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.test-scope-group > header h3 { margin: 7px 0 0; font-size: clamp(29px, 4vw, 44px); line-height: 1; letter-spacing: -.055em; }
.test-scope-group > header p:last-child { margin: 9px 0 0; color: var(--muted); font-size: 11px; }
.test-scope-group > header > a { display: inline-flex; gap: 8px; flex: 0 0 auto; font-size: 11px; font-weight: 750; }
.test-group-more { display: flex; justify-content: space-between; gap: 18px; align-items: center; margin: 18px 0 0; padding: 15px 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255, 255, 255, .45); color: var(--muted); font-size: 12px; }
.test-group-more a { color: var(--ink); font-weight: 760; }

@media (max-width: 980px) {
    .page-hero, .lesson-hero { grid-template-columns: 1fr; align-items: start; }
    .route-note, .outcome-card { max-width: 600px; }
    .lesson-layout, .static-layout, .guide-layout { grid-template-columns: 1fr; gap: 42px; }
    .lesson-sidebar, .static-sidebar { order: 0; }
    .lesson-toc { position: static; }
    .guide-toc { max-height: none; overflow: visible; }
    .lesson-toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .editor-note { max-width: 330px; }
    .guide-byline ul { width: 100%; margin-left: 0; padding-top: 10px; }
    .result-hero { grid-template-columns: 245px minmax(0, 1fr); gap: 45px; }
    .recommendation-grid { grid-template-columns: 1fr; }
    .recommendation-grid::before { display: none; }
    .recommendation-card { min-height: 235px; }
    .test-grade-shortcuts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
    .inner-main, .quiz-main { width: min(100% - 30px, 1240px); }
    .page-hero { padding: 62px 0 70px; }
    .page-hero h1, .lesson-hero h1, .static-hero h1 { font-size: clamp(44px, 12vw, 66px); }
    .page-hero > div > p:last-child, .lesson-hero-copy > p, .static-hero > p { font-size: 16px; }
    .topic-directory-grid, .lesson-test-grid, .related-card-grid { grid-template-columns: 1fr; }
    .inline-cta { align-items: flex-start; flex-direction: column; padding: 31px; }
    .lesson-hero { padding: 61px 0; }
    .lesson-layout { padding-top: 44px; }
    .lesson-toc ol { grid-template-columns: 1fr; }
    .lesson-section > p, .static-article section > p { font-size: 16px; line-height: 1.75; }
    .lesson-section > p:first-of-type { font-size: 18px; }
    .guide-hero { padding: 61px 0 55px; }
    .guide-hero h1 { font-size: clamp(45px, 12vw, 68px); }
    .guide-deck { font-size: 17px; }
    .guide-layout { padding-top: 42px; }
    .guide-lede > p:not(.section-kicker), .deep-explanation > p:not(.section-kicker) { font-size: 17px; line-height: 1.77; }
    .preparation-grid { grid-template-columns: 1fr; }
    .preparation-grid article { min-height: 170px; }
    .quick-answer-grid, .guide-example-grid { grid-template-columns: 1fr; }
    .lesson-media-grid, .practice-cta-grid { grid-template-columns: 1fr; }
    .use-case-grid { grid-template-columns: 1fr; }
    .institutional-editor { grid-template-columns: 72px minmax(0, 1fr); gap: 20px; }
    .editor-seal { width: 70px; height: 70px; }
    .focus-header { grid-template-columns: 1fr auto; width: min(100% - 30px, 1120px); }
    .focus-header-label { display: none; }
    .quiz-intro { padding-top: 35px; }
    .quiz-player { padding: 20px; border-radius: 19px; box-shadow: 5px 5px 0 var(--ink); }
    .question-heading { grid-template-columns: 42px minmax(0, 1fr); gap: 13px; }
    .question-number { width: 40px; height: 40px; }
    .question-passage, .quiz-choice-list, .question-data-error { margin-left: 0; }
    .quiz-choice { min-height: 62px; }
    .result-hero { grid-template-columns: 1fr; padding-top: 58px; }
    .qa-hero { grid-template-columns: 1fr; align-items: start; padding-top: 58px; }
    .qa-search { max-width: 620px; }
    .result-score-card { max-width: 310px; }
    .result-stats { grid-template-columns: repeat(2, 1fr); }
    .review-detail { grid-template-columns: 1fr; padding-left: 20px; }
    .static-hero { padding: 63px 0 55px; }
    .test-grade-shortcuts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
    .inner-main { padding-bottom: 76px; }
    .breadcrumbs { font-size: 10px; }
    .page-hero { gap: 38px; }
    .route-note { padding: 20px; box-shadow: 4px 4px 0 var(--ink); }
    .topics-directory { padding-top: 48px; }
    .section-heading-row { align-items: flex-start; flex-direction: column; gap: 9px; }
    .topic-list-card { grid-template-columns: 38px minmax(0, 1fr); min-height: 245px; padding: 20px; }
    .topic-list-index { width: 36px; height: 36px; }
    .topic-list-card > .round-link { position: absolute; right: 18px; bottom: 18px; }
    .topic-list-body h3 { font-size: 22px; }
    .lesson-section { padding-bottom: 54px; }
    .lesson-section + .lesson-section { padding-top: 50px; }
    .lesson-section-heading, .static-section-heading { grid-template-columns: 38px 1fr; gap: 12px; }
    .lesson-section-heading > span, .static-section-heading > span { width: 36px; height: 36px; }
    .lesson-section h2, .static-section-heading h2 { font-size: 29px; }
    .lesson-callout { grid-template-columns: 34px 1fr; padding: 18px; }
    .lesson-callout > span { width: 32px; height: 32px; }
    .guide-byline ul { flex-direction: column; gap: 5px; }
    .guide-byline li + li { padding-left: 0; border-left: 0; }
    .guide-lede { padding-bottom: 54px; }
    .guide-lede > h2 { font-size: 32px; }
    .guide-lede > p:nth-of-type(2)::first-letter { float: none; margin: 0; font-size: inherit; font-weight: inherit; line-height: inherit; letter-spacing: inherit; }
    .guide-section { padding: 54px 0; }
    .guide-section-title { grid-template-columns: 38px minmax(0, 1fr); gap: 12px; }
    .guide-section-title > span { width: 36px; height: 36px; }
    .guide-section-title h2 { font-size: 30px; }
    .summary-table-wrap { box-shadow: 3px 3px 0 var(--ink); }
    .short-answer-card { grid-template-columns: 34px minmax(0, 1fr); padding: 18px; box-shadow: 3px 3px 0 var(--ink); }
    .short-answer-card > span { width: 32px; height: 32px; }
    .short-answer-card strong { font-size: 14px; }
    .use-case-grid > div { grid-template-columns: 45px minmax(0, 1fr); }
    .use-case-grid > div > span { width: 42px; }
    .study-method li { grid-template-columns: 41px minmax(0, 1fr); padding-inline: 15px; }
    .study-method li > span { width: 38px; height: 38px; }
    .sources-section li { align-items: flex-start; flex-direction: column; }
    .qa-hero h1 { font-size: clamp(44px, 14vw, 66px); }
    .qa-search { padding: 18px; box-shadow: 4px 4px 0 var(--ink); }
    .qa-list summary { grid-template-columns: 36px minmax(0, 1fr) 22px; gap: 10px; min-height: 82px; padding-inline: 4px; }
    .qa-list summary small { display: none; }
    .qa-list details > div { padding: 0 10px 25px 50px; }
    .institutional-editor { grid-template-columns: 1fr; padding: 23px; box-shadow: 5px 5px 0 var(--lime); }
    .focus-header { min-height: 70px; }
    .quiz-main { padding-bottom: 66px; }
    .quiz-intro h1 { font-size: 40px; }
    .quiz-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 18px; }
    .quiz-facts li, .quiz-facts li:first-child { min-width: 0; padding: 0 12px; border-left: 1px solid var(--line); }
    .quiz-facts li:nth-child(odd) { padding-left: 0; border-left: 0; }
    .quiz-player { padding: 17px; }
    .player-status { grid-template-columns: 1fr; gap: 7px; }
    .player-status > span { justify-self: start; }
    .question-heading h2 { font-size: 20px; }
    .question-passage { padding: 16px; font-size: 14px; }
    .quiz-choice { grid-template-columns: 35px minmax(0, 1fr) 19px; gap: 10px; padding-right: 11px; }
    .choice-key { width: 33px; height: 33px; }
    .choice-text { font-size: 13px; }
    .quiz-js-controls { display: none; flex-wrap: wrap; }
    .quiz-player.has-quiz-js .quiz-js-controls { display: grid; grid-template-columns: 1fr 1fr; }
    .quiz-js-controls .button { width: 100%; min-height: 50px; padding-inline: 14px; }
    .quiz-js-controls [data-quiz-finish] { grid-column: 1 / -1; }
    .focus-footer { align-items: flex-start; flex-direction: column; width: min(100% - 30px, 1120px); }
    .result-actions { align-items: flex-start; flex-direction: column; gap: 13px; }
    .result-stats li { min-height: 96px; padding: 16px; }
    .result-stats li > span { width: 34px; height: 34px; }
    .wrong-map, .answer-review { padding-top: 68px; }
    .review-item summary { grid-template-columns: 40px minmax(0, 1fr) 23px; gap: 10px; padding: 13px; }
    .review-index { width: 37px; height: 37px; }
    .review-status { grid-column: 2; justify-self: start; }
    .review-status b { width: 22px; height: 22px; }
    .review-chevron { grid-column: 3; grid-row: 1 / span 2; }
    .review-summary-copy strong { white-space: normal; }
    .recommendation-card > div:last-child { align-items: flex-start; flex-direction: column; }
    .static-actions { flex-direction: column; }
    .static-actions .button { width: 100%; }
    .test-discovery { padding: 48px 0 58px; }
    .test-grade-shortcuts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .test-grade-shortcuts a { min-height: 84px; padding: 13px; }
    .test-scope-group > header { align-items: flex-start; flex-direction: column; gap: 13px; }
    .test-group-more { align-items: flex-start; flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    .topic-list-card, .round-link, .quiz-choice, .review-chevron,
    .player-status progress::-webkit-progress-value { transition: none; }
}
.search-main { padding-bottom: 96px; }
.search-hero { display: grid; grid-template-columns: minmax(0, .85fr) minmax(380px, .75fr); gap: 70px; align-items: end; margin: 28px 0 58px; padding: 48px; border: 1px solid var(--line-strong); border-radius: 28px; background: rgba(255, 254, 249, .7); box-shadow: 8px 8px 0 var(--ink); }
.search-hero h1 { margin: 12px 0 18px; font-size: clamp(44px, 6vw, 76px); line-height: .96; letter-spacing: -.065em; }
.search-hero h1 em { color: var(--orange); font-style: normal; }
.search-hero > div > p:last-child { max-width: 610px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.65; }
.site-search-form { padding: 24px; border: 1px solid var(--ink); border-radius: 18px; background: var(--white); box-shadow: 5px 5px 0 var(--lime); }
.site-search-form label { display: block; margin-bottom: 9px; font: 700 10px var(--mono); letter-spacing: .08em; }
.site-search-form > div { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.site-search-form input { min-width: 0; height: 50px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 11px; background: var(--paper); color: var(--ink); font: inherit; }
.site-search-form input:focus { border-color: var(--ink); outline: 3px solid rgba(191, 255, 44, .35); }
.site-search-form button { padding: 0 22px; border: 1px solid var(--ink); border-radius: 11px; background: var(--ink); color: var(--white); font: 750 13px var(--sans); cursor: pointer; }
.site-search-form small { display: block; margin-top: 10px; color: var(--muted); font-size: 11px; line-height: 1.45; }
.search-results > header { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.search-results > header h2 { margin: 5px 0 0; font-size: clamp(27px, 4vw, 42px); letter-spacing: -.045em; }
.search-results > header > span { color: var(--muted); font: 700 11px var(--mono); }
.search-suggestions { display: flex; flex-wrap: wrap; gap: 10px; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255, 254, 249, .65); }
.search-suggestions a { padding: 10px 14px; border: 1px solid var(--line-strong); border-radius: 999px; background: var(--white); font-size: 13px; font-weight: 700; }
.search-suggestions a:hover, .search-suggestions a:focus-visible { border-color: var(--ink); background: var(--lime); }
.search-result-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.search-result-list article { position: relative; min-height: 240px; padding: 24px; border: 1px solid var(--line); border-radius: 19px; background: rgba(255, 254, 249, .74); transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease; }
.search-result-list article:hover { border-color: var(--ink); box-shadow: 5px 5px 0 var(--ink); transform: translate(-2px, -2px); }
.search-result-list article > div { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.search-result-type { display: inline-flex; padding: 6px 8px; border-radius: 6px; background: var(--blue); color: var(--ink); font: 800 8px var(--mono); letter-spacing: .08em; }
.search-result-type.is-test { background: var(--orange); }
.search-result-list article small { color: var(--muted); font: 700 9px var(--mono); }
.search-result-list h3 { margin: 24px 0 10px; font-size: 22px; letter-spacing: -.035em; }
.search-result-list article > p { margin: 0 0 40px; color: var(--muted); font-size: 13px; line-height: 1.58; }
.search-result-list article > a { position: absolute; bottom: 22px; left: 24px; font-size: 12px; font-weight: 750; }
@media (max-width: 820px) {
    .search-hero { grid-template-columns: 1fr; gap: 32px; padding: 26px 20px; border-radius: 22px; box-shadow: 5px 5px 0 var(--ink); }
    .search-result-list { grid-template-columns: 1fr; }
}