.study-platform-page {
    --study-violet: #6757d9;
    --study-sky: #dbe9ff;
    --study-mint: #d9f5e8;
    --study-peach: #ffe1d5;
    --study-night: #11211d;
}

.study-main {
    width: min(100% - 48px, 1240px);
    margin: 0 auto;
    padding-bottom: 84px;
}

.study-main .breadcrumbs { margin-bottom: 34px; }

.study-hero,
.directory-hero,
.subject-hero,
.dashboard-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(300px, .7fr);
    gap: clamp(40px, 7vw, 94px);
    align-items: center;
    padding: clamp(46px, 6vw, 82px) 0 clamp(58px, 7vw, 96px);
}

.study-hero::before,
.subject-hero::before {
    position: absolute;
    z-index: -1;
    top: 18px;
    right: -22vw;
    width: 58vw;
    height: calc(100% - 36px);
    border-radius: 48px 0 0 48px;
    background: linear-gradient(135deg, rgba(217, 255, 87, .5), rgba(219, 233, 255, .75));
    content: "";
}

.study-hero--tests::before { background: linear-gradient(135deg, rgba(255, 225, 213, .78), rgba(217, 245, 232, .72)); }

.study-hero h1,
.directory-hero h1,
.subject-hero h1,
.dashboard-hero h1 {
    max-width: 820px;
    margin: 18px 0 20px;
    font-size: clamp(47px, 6.4vw, 86px);
    line-height: .94;
    letter-spacing: -.075em;
}

.study-hero h1 em,
.directory-hero h1 em,
.subject-hero h1 em,
.dashboard-hero h1 em {
    color: var(--study-violet);
    font-family: Georgia, serif;
    font-weight: 500;
}

.study-hero__copy > p:not(.eyebrow),
.directory-hero > div > p:not(.eyebrow),
.subject-hero__copy > p:not(.eyebrow),
.dashboard-hero > div > p:not(.eyebrow) {
    max-width: 720px;
    margin: 0;
    color: var(--ink-soft);
    font-size: clamp(17px, 1.55vw, 21px);
    line-height: 1.65;
}

.study-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    align-items: center;
    margin-top: 32px;
}

.study-proof,
.directory-score,
.subject-metrics,
.dashboard-hero > aside {
    padding: 28px;
    border: 1px solid rgba(20, 33, 30, .22);
    border-radius: 26px;
    background: rgba(255, 254, 249, .92);
    box-shadow: 14px 16px 0 rgba(20, 33, 30, .1);
}

.study-proof > p {
    margin: 0 0 14px;
    color: var(--muted);
    font: 700 11px/1.2 var(--mono);
    letter-spacing: .12em;
}

.study-proof > strong {
    display: block;
    font-size: clamp(58px, 6vw, 82px);
    line-height: .9;
    letter-spacing: -.08em;
}

.study-proof > span { display: block; margin: 10px 0 24px; font-weight: 720; }

.study-proof dl,
.directory-score dl,
.subject-metrics dl {
    margin: 0;
    border-top: 1px solid var(--line);
}

.study-proof dl > div,
.directory-score dl > div,
.subject-metrics dl > div {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 11px 0;
    border-bottom: 1px solid var(--line);
}

.study-proof dt,
.directory-score dt,
.subject-metrics dt { color: var(--muted); font-size: 13px; }
.study-proof dd,
.directory-score dd,
.subject-metrics dd { margin: 0; font: 720 14px var(--mono); }
.study-proof > small,
.directory-score > small,
.subject-metrics > small { display: block; margin-top: 16px; color: var(--muted); line-height: 1.55; }

.journey-strip,
.progress-command {
    display: grid;
    grid-template-columns: minmax(260px, .68fr) minmax(380px, 1fr);
    gap: clamp(26px, 5vw, 68px);
    align-items: center;
    margin: 0 0 70px;
    padding: clamp(28px, 4vw, 44px);
    border: 1px solid var(--ink);
    border-radius: 28px;
    background: var(--study-night);
    color: var(--white);
    box-shadow: 10px 10px 0 var(--lime);
}

.journey-strip h2,
.progress-command h2 { margin: 7px 0 0; font-size: clamp(28px, 3vw, 42px); line-height: 1.05; letter-spacing: -.055em; }
.journey-strip .section-kicker,
.progress-command .section-kicker { color: var(--lime); }
.journey-strip [data-journey-resume],
.progress-command [data-journey-resume] { min-height: 76px; padding: 18px 20px; border: 1px solid rgba(255,255,255,.22); border-radius: 18px; background: rgba(255,255,255,.08); }
.journey-strip [data-journey-resume] > :first-child,
.progress-command [data-journey-resume] > :first-child { margin-top: 0; }
.journey-strip [data-journey-resume] > :last-child,
.progress-command [data-journey-resume] > :last-child { margin-bottom: 0; }
.journey-strip--compact { margin-top: 0; margin-bottom: 52px; padding: 26px 30px; }
.journey-strip--compact h2 { font-size: clamp(24px, 2.5vw, 34px); }

.learning-chain,
.test-method,
.educator-note,
.weekly-plan,
.exam-bridge {
    margin: 78px 0;
    padding: clamp(32px, 5vw, 58px);
    border: 1px solid var(--line-strong);
    border-radius: 32px;
    background: var(--white);
}

.learning-chain > div,
.test-method > div,
.educator-note > div:first-child,
.weekly-plan > div,
.exam-bridge > div:first-child { display: grid; grid-template-columns: .7fr 1fr; gap: 48px; align-items: end; }

.learning-chain h2,
.test-method h2,
.educator-note h2,
.weekly-plan h2,
.exam-bridge h2,
.study-section-heading h2 {
    margin: 8px 0 0;
    font-size: clamp(32px, 4vw, 54px);
    line-height: 1.02;
    letter-spacing: -.065em;
}

.learning-chain ol {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin: 40px 0 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--ink);
    border-radius: 20px;
    background: var(--ink);
    list-style: none;
}

.learning-chain li { min-height: 176px; padding: 23px; background: var(--paper); }
.learning-chain li:nth-child(2) { background: var(--study-sky); }
.learning-chain li:nth-child(3) { background: var(--study-mint); }
.learning-chain li:nth-child(4) { background: var(--lime); }
.learning-chain li span { display: block; margin-bottom: 34px; font: 700 11px var(--mono); }
.learning-chain li strong { display: block; font-size: 18px; }
.learning-chain li small { display: block; margin-top: 8px; color: var(--ink-soft); line-height: 1.45; }

.study-directory,
.subject-directory,
.curriculum-map,
.topic-test-map { margin: 90px 0; }

.study-section-heading {
    display: grid;
    grid-template-columns: 1.35fr .65fr;
    gap: 50px;
    align-items: end;
    margin-bottom: 36px;
}

.study-section-heading > p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

.level-block { margin-top: 50px; }
.level-block > header,
.subject-route-card__top,
.topic-test-group > header,
.lesson-catalog-group > header {
    display: flex;
    gap: 18px;
    align-items: center;
}
.level-block > header { margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--line-strong); }
.level-block > header > span { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--ink); color: var(--lime); font: 700 12px var(--mono); }
.level-block > header h3 { margin: 3px 0 0; font-size: 27px; letter-spacing: -.04em; }
.level-block > header small { margin-left: auto; color: var(--muted); }

.grade-path-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.grade-path-card,
.test-grade-card,
.subject-route-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: 28px;
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-radius: 25px;
    background: var(--white);
    transition: transform 180ms ease, box-shadow 180ms ease;
}
.grade-path-card:hover,
.test-grade-card:hover,
.subject-route-card:hover { transform: translateY(-4px); box-shadow: 0 20px 46px rgba(20, 33, 30, .1); }
.grade-path-card__head,
.test-grade-card > header { display: flex; gap: 17px; align-items: center; }
.grade-path-card__head > span,
.test-grade-card > header > span {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    flex: 0 0 auto;
    border: 1px solid var(--ink);
    border-radius: 18px;
    background: var(--lime);
    font: 800 18px var(--mono);
}
.grade-path-card__head p,
.test-grade-card > header p,
.subject-route-card__top small { margin: 0 0 4px; color: var(--muted); font: 700 10px var(--mono); letter-spacing: .12em; }
.grade-path-card h4,
.test-grade-card h3 { margin: 0; font-size: 25px; letter-spacing: -.045em; }
.grade-path-card h4 a:hover,
.test-grade-card h3 a:hover,
.subject-route-card h3 a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 5px; }
.grade-path-card dl,
.test-grade-card dl,
.subject-route-card dl {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin: 24px 0 20px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--line);
}
.grade-path-card dl > div,
.test-grade-card dl > div,
.subject-route-card dl > div { padding: 12px 8px; background: var(--paper); text-align: center; }
.grade-path-card dt,
.test-grade-card dt,
.subject-route-card dt { color: var(--muted); font-size: 10px; }
.grade-path-card dd,
.test-grade-card dd,
.subject-route-card dd { margin: 5px 0 0; font: 750 14px var(--mono); }
.subject-chip-list { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 22px; }
.subject-chip-list a { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); font-size: 12px; }
.subject-chip-list a:hover { border-color: var(--ink); background: var(--lime); }
.study-card-link { display: flex; justify-content: space-between; gap: 14px; margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); font-weight: 760; }
.study-card-link:hover span { transform: translateX(4px); }
.study-card-link span { transition: transform 160ms ease; }

.article-context-bar {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 18px;
    align-items: center;
    margin: -18px 0 42px;
    padding: 18px 22px;
    border: 1px solid var(--line-strong);
    border-radius: 18px;
    background: var(--study-sky);
}
.article-context-bar > div { display: grid; gap: 4px; }
.article-context-bar > div strong { font-size: 17px; }
.article-context-bar > a { padding: 10px 13px; border: 1px solid var(--line); border-radius: 999px; background: var(--white); font-size: 12px; font-weight: 720; }
.article-context-bar > a:hover { border-color: var(--ink); background: var(--lime); }
.article-outcomes { background: var(--study-mint); }
.article-outcomes .outcome-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 24px; }
.article-outcomes .outcome-list li { padding: 16px; border: 1px solid rgba(20,33,30,.16); border-radius: 14px; background: rgba(255,254,249,.78); }
.search-intent-section { background: var(--study-sky); }
.search-intent-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.search-intent-grid article { padding: 21px; border: 1px solid rgba(20,33,30,.18); border-radius: 16px; background: var(--white); }
.search-intent-grid h3 { margin: 0 0 9px; font-size: 17px; line-height: 1.35; }
.search-intent-grid p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }
.lesson-sequence-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 34px; }
.lesson-sequence-nav > a { display: grid; gap: 6px; min-height: 112px; padding: 20px; border: 1px solid var(--line-strong); border-radius: 17px; background: var(--white); }
.lesson-sequence-nav > a:last-child { text-align: right; }
.lesson-sequence-nav > a:hover { background: var(--lime); box-shadow: 4px 4px 0 var(--ink); }
.lesson-sequence-nav span { color: var(--muted); font: 700 10px var(--mono); letter-spacing: .08em; }
.lesson-sequence-nav strong { align-self: end; font-size: 16px; line-height: 1.35; }

.subject-search-guide {
    display: grid;
    grid-template-columns: .58fr 1.42fr;
    gap: clamp(30px, 6vw, 76px);
    margin: 76px 0;
    padding: clamp(30px, 5vw, 54px);
    border: 1px solid var(--line-strong);
    border-radius: 30px;
    background: var(--study-sky);
}
.subject-search-guide > div:first-child h2 { margin: 9px 0 16px; font-size: clamp(30px, 3.7vw, 48px); line-height: 1.04; letter-spacing: -.06em; }
.subject-search-guide > div:first-child > p:last-child { color: var(--ink-soft); line-height: 1.65; }
.subject-search-guide__answers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.subject-search-guide__answers article { display: flex; flex-direction: column; padding: 21px; border: 1px solid rgba(20,33,30,.18); border-radius: 17px; background: var(--white); }
.subject-search-guide__answers h3 { margin: 0 0 9px; font-size: 17px; line-height: 1.35; }
.subject-search-guide__answers p { margin: 0 0 17px; color: var(--muted); font-size: 13px; line-height: 1.62; }
.subject-search-guide__answers a { margin-top: auto; font-size: 12px; font-weight: 760; }

.subject-card-actions {
    display: grid;
    gap: 8px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
}
.subject-card-actions a { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; font-weight: 720; }
.subject-card-actions a:hover { color: var(--study-violet); }

.educator-note { background: var(--study-sky); }
.educator-note__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
.educator-note__grid article { padding: 24px; border: 1px solid rgba(20,33,30,.2); border-radius: 18px; background: rgba(255,254,249,.72); }
.educator-note__grid strong { font-size: 19px; }
.educator-note__grid p { margin: 10px 0 0; color: var(--ink-soft); line-height: 1.65; }

.progress-command { grid-template-columns: .8fr 1fr auto; margin-top: 0; }
.progress-command__intro > p:last-child { color: rgba(255,255,255,.72); line-height: 1.6; }
.progress-command > .text-link { color: var(--lime); white-space: nowrap; }

.test-method { background: var(--study-mint); }
.test-method ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 38px 0 0; padding: 0; list-style: none; }
.test-method li { display: flex; gap: 16px; padding: 22px; border: 1px solid rgba(20,33,30,.18); border-radius: 18px; background: rgba(255,254,249,.76); }
.test-method li > span { display: grid; place-items: center; width: 38px; height: 38px; flex: 0 0 auto; border-radius: 50%; background: var(--ink); color: var(--lime); font: 700 12px var(--mono); }
.test-method strong { display: block; font-size: 17px; }
.test-method p { margin: 7px 0 0; color: var(--muted); line-height: 1.55; }

.test-grade-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.test-grade-card dl { grid-template-columns: repeat(3, 1fr); }
.subject-test-links { display: grid; gap: 7px; margin: 0 0 22px; }
.subject-test-links a { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; border-radius: 11px; background: var(--paper); font-size: 13px; }
.subject-test-links a:hover { background: var(--lime); }
.subject-test-links small { color: var(--muted); font: 700 10px var(--mono); }

.exam-bridge { display: flex; justify-content: space-between; gap: 50px; align-items: center; background: var(--study-peach); }
.exam-bridge > div:first-child { display: block; max-width: 780px; }
.exam-bridge p:last-child { color: var(--ink-soft); line-height: 1.65; }

.directory-hero { grid-template-columns: 1fr 300px; padding-top: 44px; }
.directory-hero .catalog-tabs,
.subject-hero .catalog-tabs { justify-content: flex-start; width: fit-content; margin-top: 30px; }
.directory-score > span { display: block; margin-bottom: 22px; color: var(--study-violet); font: 800 64px/.8 var(--mono); letter-spacing: -.08em; }

.subject-route-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.subject-route-card__top > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--ink); color: var(--lime); font: 700 11px var(--mono); }
.subject-route-card h3 { margin: 20px 0 10px; font-size: 30px; letter-spacing: -.05em; }
.subject-route-card > p { min-height: 48px; margin: 0; color: var(--muted); line-height: 1.55; }
.subject-route-card dl { grid-template-columns: repeat(2, 1fr); }

.weekly-plan { background: var(--white); }
.weekly-plan ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 38px 0 0; padding: 1px; border-radius: 20px; background: var(--ink); list-style: none; }
.weekly-plan li { padding: 26px; background: var(--paper); }
.weekly-plan li:first-child { border-radius: 19px 0 0 19px; }
.weekly-plan li:last-child { border-radius: 0 19px 19px 0; }
.weekly-plan span { display: inline-block; margin-bottom: 25px; padding: 6px 9px; border-radius: 999px; background: var(--lime); font: 700 10px var(--mono); }
.weekly-plan strong { display: block; font-size: 18px; }
.weekly-plan p { margin: 8px 0 0; color: var(--muted); line-height: 1.6; }

.subject-hero {
    grid-template-columns: 120px minmax(0, 1fr) 300px;
    gap: 36px;
}
.subject-hero__index { align-self: start; margin-top: 18px; text-align: center; }
.subject-hero__index > span { display: grid; place-items: center; width: 102px; height: 102px; border: 2px solid var(--ink); border-radius: 31px; background: var(--lime); font: 800 36px var(--mono); box-shadow: 8px 8px 0 var(--ink); }
.subject-hero__index small { display: block; margin-top: 17px; color: var(--muted); font: 700 9px var(--mono); letter-spacing: .1em; }
.subject-hero h1 { font-size: clamp(46px, 5.4vw, 76px); }

.topic-roadmap { margin: 0; padding: 0; list-style: none; }
.topic-roadmap__item { display: grid; grid-template-columns: 54px 1fr; gap: 22px; }
.topic-roadmap__rail { display: flex; flex-direction: column; align-items: center; }
.topic-roadmap__rail span { display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--ink); border-radius: 50%; background: var(--lime); font: 750 11px var(--mono); }
.topic-roadmap__rail i { width: 1px; flex: 1; min-height: 40px; background: var(--line-strong); }
.topic-roadmap__item:last-child .topic-roadmap__rail i { display: none; }
.topic-roadmap__item > article { margin-bottom: 28px; padding: clamp(24px, 4vw, 40px); border: 1px solid var(--line-strong); border-radius: 25px; background: var(--white); }
.topic-roadmap__item article > header { display: flex; justify-content: space-between; gap: 28px; }
.topic-roadmap__item article > header p,
.topic-test-group header p { margin: 0 0 6px; color: var(--study-violet); font: 700 10px var(--mono); letter-spacing: .1em; }
.topic-roadmap__item h3 { max-width: 720px; margin: 0; font-size: clamp(27px, 3vw, 38px); line-height: 1.1; letter-spacing: -.05em; }
.topic-badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; align-content: start; }
.topic-badges span { padding: 7px 9px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); font: 650 10px var(--mono); }
.topic-excerpt { max-width: 920px; margin: 20px 0 28px; color: var(--ink-soft); line-height: 1.68; }
.topic-learning-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; }
.topic-learning-grid > section { padding: 21px; border-radius: 18px; background: var(--paper); }
.topic-learning-grid > section:last-child { background: var(--study-mint); }
.topic-learning-grid h4 { margin: 0 0 16px; font-size: 15px; }
.lesson-section-list,
.outcome-list { margin: 0; padding: 0; list-style: none; }
.lesson-section-list { display: grid; gap: 8px; }
.lesson-section-list a { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: start; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); }
.lesson-section-list a:hover { border-color: var(--ink); box-shadow: 3px 3px 0 var(--lime); }
.lesson-section-list a > span { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 8px; background: var(--ink); color: var(--white); font: 700 9px var(--mono); }
.lesson-section-list strong { display: block; font-size: 14px; }
.lesson-section-list small { display: -webkit-box; margin-top: 5px; overflow: hidden; color: var(--muted); font-size: 11px; line-height: 1.45; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.outcome-list { display: grid; gap: 12px; }
.outcome-list li { display: flex; gap: 11px; align-items: flex-start; }
.outcome-list li > span { display: grid; place-items: center; width: 23px; height: 23px; flex: 0 0 auto; border-radius: 50%; background: var(--ink); color: var(--lime); font-size: 11px; }
.outcome-list strong { display: block; font-size: 13px; line-height: 1.45; }
.outcome-list small { display: block; margin-top: 3px; color: var(--muted); font: 650 9px var(--mono); }
.topic-roadmap__item article > footer { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }

.topic-test-stack { display: grid; gap: 24px; }
.topic-test-group { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 26px; background: var(--white); }
.topic-test-group > header { padding: 26px 30px; border-bottom: 1px solid var(--line); background: linear-gradient(90deg, var(--paper), var(--white)); }
.topic-test-group > header > span { display: grid; place-items: center; width: 52px; height: 52px; flex: 0 0 auto; border-radius: 16px; background: var(--lime); font: 800 14px var(--mono); }
.topic-test-group > header h3 { margin: 0; font-size: 25px; letter-spacing: -.045em; }
.topic-test-group > header small { color: var(--muted); }
.topic-test-group > header .text-link { margin-left: auto; white-space: nowrap; }
.test-sequence { margin: 0; padding: 0 30px; list-style: none; }
.test-sequence li { display: grid; grid-template-columns: 42px 1fr auto; gap: 17px; align-items: center; padding: 23px 0; border-bottom: 1px solid var(--line); }
.test-sequence li:last-child { border-bottom: 0; }
.test-sequence__step { display: flex; flex-direction: column; align-items: center; align-self: stretch; }
.test-sequence__step span { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: var(--lime); font: 700 11px var(--mono); }
.test-sequence__copy p { margin: 0 0 4px; color: var(--study-violet); font: 700 10px var(--mono); letter-spacing: .08em; }
.test-sequence__copy h4 { margin: 0 0 5px; font-size: 18px; }
.test-sequence__copy small { color: var(--muted); }
.button-light { border: 1px solid var(--ink); background: var(--white); color: var(--ink); }
.button-light:hover { background: var(--lime); }
.topic-test-group > footer { padding: 18px 30px; background: var(--study-sky); }
.topic-test-group > footer p { margin: 0; color: var(--ink-soft); line-height: 1.55; }

.dashboard-hero { grid-template-columns: 1fr 380px; }
.dashboard-hero > aside { min-height: 190px; background: var(--lime); }
.dashboard-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; margin: 0 0 30px; }
.dashboard-panel { min-height: 320px; padding: 30px; border: 1px solid var(--line-strong); border-radius: 26px; background: var(--white); }
.dashboard-panel--resume { background: var(--study-night); color: var(--white); }
.dashboard-panel h2 { margin: 8px 0 24px; font-size: 32px; letter-spacing: -.05em; }
.dashboard-panel--resume .section-kicker { color: var(--lime); }
.dashboard-panel [data-journey-resume],
.dashboard-panel [data-journey-history] { padding-top: 20px; border-top: 1px solid currentColor; }
.privacy-note { display: grid; grid-template-columns: 48px 1fr auto; gap: 18px; align-items: center; padding: 22px 26px; border: 1px solid var(--line); border-radius: 20px; background: var(--study-sky); }
.privacy-note > span { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--ink); color: var(--lime); font-size: 20px; }
.privacy-note p { margin: 5px 0 0; color: var(--muted); line-height: 1.5; }
.privacy-note a { font-weight: 720; }
.dashboard-actions { display: flex; gap: 14px; justify-content: center; margin-top: 42px; }

@media (max-width: 1040px) {
    .study-hero,
    .directory-hero,
    .dashboard-hero { grid-template-columns: 1fr 280px; gap: 40px; }
    .subject-hero { grid-template-columns: 90px 1fr; }
    .subject-hero__index > span { width: 78px; height: 78px; font-size: 27px; }
    .subject-metrics { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr; }
    .subject-metrics dl { display: grid; grid-template-columns: repeat(5, 1fr); }
    .subject-metrics dl > div { display: block; text-align: center; }
    .test-grade-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .progress-command { grid-template-columns: .8fr 1.2fr; }
    .progress-command > .text-link { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
    .study-main { width: min(100% - 30px, 1240px); }
    .study-hero,
    .directory-hero,
    .subject-hero,
    .dashboard-hero { grid-template-columns: 1fr; gap: 30px; }
    .study-hero::before,
    .subject-hero::before { right: -30px; left: -30px; width: auto; border-radius: 28px; }
    .study-proof,
    .directory-score,
    .subject-metrics,
    .dashboard-hero > aside { max-width: none; }
    .subject-hero__index { display: none; }
    .subject-metrics { grid-column: auto; }
    .subject-metrics dl { grid-template-columns: repeat(3, 1fr); }
    .journey-strip,
    .progress-command { grid-template-columns: 1fr; }
    .learning-chain > div,
    .test-method > div,
    .educator-note > div:first-child,
    .weekly-plan > div,
    .study-section-heading { grid-template-columns: 1fr; gap: 18px; }
    .learning-chain ol { grid-template-columns: repeat(2, 1fr); }
    .grade-path-grid,
    .subject-route-grid,
    .dashboard-grid { grid-template-columns: 1fr; }
    .educator-note__grid,
    .test-method ol,
    .weekly-plan ol { grid-template-columns: 1fr; }
    .weekly-plan li:first-child,
    .weekly-plan li:last-child { border-radius: 0; }
    .topic-learning-grid { grid-template-columns: 1fr; }
    .exam-bridge { display: grid; grid-template-columns: 1fr; }
    .article-context-bar { grid-template-columns: 1fr; }
    .article-context-bar > a { width: fit-content; }
    .subject-search-guide { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
    .study-main { width: min(100% - 22px, 1240px); }
    .study-hero,
    .directory-hero,
    .subject-hero,
    .dashboard-hero { padding: 34px 0 52px; }
    .study-hero h1,
    .directory-hero h1,
    .subject-hero h1,
    .dashboard-hero h1 { font-size: clamp(42px, 13vw, 58px); }
    .study-hero__actions { display: grid; align-items: start; }
    .study-proof,
    .directory-score,
    .subject-metrics { padding: 22px; border-radius: 20px; box-shadow: 7px 8px 0 rgba(20, 33, 30, .1); }
    .journey-strip,
    .progress-command,
    .learning-chain,
    .test-method,
    .educator-note,
    .weekly-plan,
    .exam-bridge { margin: 48px 0; padding: 24px; border-radius: 22px; }
    .learning-chain ol { grid-template-columns: 1fr; }
    .learning-chain li { min-height: auto; }
    .learning-chain li span { margin-bottom: 18px; }
    .study-directory,
    .subject-directory,
    .curriculum-map,
    .topic-test-map { margin: 60px 0; }
    .grade-path-card,
    .test-grade-card,
    .subject-route-card { padding: 21px; border-radius: 20px; }
    .grade-path-card dl,
    .subject-route-card dl { grid-template-columns: repeat(2, 1fr); }
    .test-grade-grid { grid-template-columns: 1fr; }
    .topic-roadmap__item { grid-template-columns: 1fr; }
    .topic-roadmap__rail { display: none; }
    .topic-roadmap__item > article { padding: 20px; }
    .topic-roadmap__item article > header { display: block; }
    .topic-badges { justify-content: flex-start; margin-top: 14px; }
    .lesson-section-list a { grid-template-columns: 31px 1fr; }
    .lesson-section-list a > b { display: none; }
    .topic-test-group > header { display: grid; grid-template-columns: 48px 1fr; padding: 21px; }
    .topic-test-group > header .text-link { grid-column: 1 / -1; margin-left: 0; }
    .test-sequence { padding: 0 20px; }
    .test-sequence li { grid-template-columns: 34px 1fr; }
    .test-sequence li > .button { grid-column: 2; width: fit-content; }
    .subject-metrics dl { grid-template-columns: repeat(2, 1fr); }
    .privacy-note { grid-template-columns: 42px 1fr; }
    .privacy-note > a { grid-column: 1 / -1; }
    .dashboard-actions { flex-direction: column; align-items: stretch; }
    .article-outcomes .outcome-list,
    .search-intent-grid,
    .lesson-sequence-nav { grid-template-columns: 1fr; }
    .lesson-sequence-nav > a:last-child { text-align: left; }
    .subject-search-guide__answers { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    .grade-path-card,
    .test-grade-card,
    .subject-route-card,
    .study-card-link span { transition: none; }
}