@font-face { font-family: Hanken; src: url("/assets/HankenGrotesk-VariableFont_wght-a5831626.ttf") format('truetype'); font-weight: 100 900; font-display: swap; }
:root { --night: #2e4447; --green: #287c71; --ink: #243f42; --muted: #64766c; --line: #dce5dd; --paper: #f8faf8; --sage: #edf3e8; --orange: #c9662f; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.5 Hanken, Arial, sans-serif; }
h1, h2, h3, h4, p { margin: 0; }
h1 { font-size: 39px; letter-spacing: -1.6px; line-height: 1.18; margin: 10px 0; }
h2 { font-size: 25px; line-height: 1.25; letter-spacing: -.6px; }
h3 { font-size: 18px; line-height: 1.35; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, input[type=submit] { cursor: pointer; }
button:disabled { opacity: .65; cursor: wait; }
button, a, input { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid #dc743b; outline-offset: 4px; }
button { transition: background .16s, transform .16s; }
button:active:not(:disabled), .button:active { transform: translateY(2px); }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.skip-link:focus { position: fixed; top: 12px; left: 12px; padding: 12px; background: white; z-index: 10; }
.app-shell { display: grid; grid-template-columns: 246px minmax(0, 1fr); min-height: 100dvh; }
.sidebar { position: sticky; top: 0; height: 100dvh; background: white; border-right: 1px solid var(--line); display: flex; flex-direction: column; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 12px; padding: 28px 24px 32px; }
.brand img { width: 86px; height: 40px; object-fit: contain; }
.brand span { font-size: 26px; font-weight: 400; border-left: 1px solid #cfd9d0; padding-left: 13px; line-height: 26px; }
.nav-label, .eyebrow { font-size: 11px; letter-spacing: 1.7px; font-weight: 700; color: #687f70; }
.nav-label { padding: 13px 27px; }
.main-nav { display: grid; gap: 8px; padding: 0 15px; }
.main-nav a { display: flex; align-items: center; gap: 13px; padding: 13px 15px; border: 1px solid transparent; border-radius: 12px; color: #60766a; font-weight: 600; }
.main-nav a > span:first-child { font-size: 23px; width: 24px; text-align: center; line-height: 1; }
.main-nav a:hover { background: #f0f5ed; }
.main-nav .active { background: #eaf3ed; border-color: #d4e6d9; color: #276b5a; }
.sidebar-note { margin: 60px 26px 30px; padding-top: 23px; border-top: 1px solid var(--line); font-size: 14px; }
.sidebar-note > span { font-size: 30px; color: #7b956a; }
.sidebar-note strong { display: block; }
.sidebar-note p { color: var(--muted); margin-top: 6px; line-height: 1.7; }
.profile-link { display: flex; align-items: center; gap: 10px; padding: 18px 23px; margin-top: auto; border-top: 1px solid var(--line); }
.profile-link strong { font-size: 14px; }
.profile-link small { display: block; color: var(--muted); font-size: 12px; }
.avatar { display: grid; place-items: center; width: 38px; height: 38px; flex-shrink: 0; border-radius: 50%; background: #e6eddf; color: #496a49; font-weight: 700; }
.admin-link { padding: 0 24px 18px; font-size: 13px; text-decoration: underline; }
.topbar { height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 42px; background: #fff; border-bottom: 1px solid var(--line); }
.topbar-title { font-size: 15px; font-weight: 600; }
.topbar-title > span { color: #7da76e; margin-left: 7px; }
.top-stats { display: flex; align-items: center; gap: 26px; font-weight: 700; }
.top-stats small { font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 4px; }
.streak, .orange { color: var(--orange); }
.xp { color: #528268; }
.workspace { width: 100%; max-width: 1500px; margin: 0 auto; padding: 38px 42px 64px; }
.page-heading { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.page-heading p:not(.eyebrow) { color: var(--muted); }
.chip { display: inline-flex; align-items: center; gap: 7px; padding: 7px 12px; border: 1px solid #dce6d2; border-radius: 30px; background: #f0f5e9; color: #537148; font-size: 12px; white-space: nowrap; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1fr) 285px; align-items: start; gap: 28px; }
.feature-card { position: relative; overflow: hidden; border-radius: 20px; padding: 32px; min-height: 300px; background: #2e5b51; color: white; border: 1px solid #254c43; }
.feature-text { position: relative; z-index: 1; max-width: 76%; }
.feature-kicker { color: #c7dec5; font-size: 11px; letter-spacing: 1.9px; font-weight: 700; }
.feature-card h2 { font-size: 34px; line-height: 1.15; margin: 14px 0; font-weight: 600; letter-spacing: -.9px; }
.feature-card p:not(.feature-kicker) { color: #dfebdf; font-size: 15px; margin-bottom: 22px; }
.lamp-art { position: absolute; width: 205px; height: 205px; object-fit: contain; right: -18px; top: -18px; filter: brightness(0) invert(1); opacity: .38; }
.feature-meta { display: flex; flex-wrap: wrap; gap: 17px; font-size: 12px; color: #d0e2cf; margin-top: 20px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 10px; min-height: 48px; background: #2e7a68; color: white; border: 1px solid #246652; border-bottom: 4px solid #205744; border-radius: 11px; padding: 11px 22px; font-size: 15px; line-height: 1.4; font-weight: 700; text-align: center; }
.button:hover { background: #256953; }
.button-light { background: #e7f1ce; border-color: #d0ddba; border-bottom-color: #b3c29c; color: #284b37; }
.button-light:hover { background: #f2f8df; }
.button-soft { background: #edf4e7; color: #456d42; border-color: #dce7d3; border-bottom-color: #c6d9ba; }
.button-soft:hover { background: #e0ecd7; }
.text-link { color: #3a7359; font-size: 14px; font-weight: 700; }
.text-link:hover { text-decoration: underline; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 33px 0 18px; }
.section-heading p { font-size: 14px; color: var(--muted); margin-top: 5px; }
.unit-list { display: grid; gap: 22px; }
.path-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.path-unit { display: flex; align-items: center; gap: 14px; background: #eef4e9; border-bottom: 1px solid #dfe7da; padding: 21px 24px; }
.unit-icon { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; background: #dce9cf; display: grid; place-items: center; color: #577149; font-size: 25px; }
.path-unit .eyebrow { font-size: 10px; letter-spacing: 1.5px; }
.path-unit h3 { margin: 3px 0; }
.path-unit p:last-child { font-size: 12px; color: #64765d; }
.unit-number { margin-left: auto; color: #b5c8ab; font-size: 37px; font-weight: 300; }
.lesson-path { padding: 20px 34px 27px; }
.path-row { position: relative; display: flex; align-items: center; gap: 21px; min-height: 105px; }
.path-row-1, .path-row-2 { margin-left: 30px; }
.path-row:not(:last-child)::after { content: ''; position: absolute; left: 34px; top: 87px; height: 24px; width: 2px; background: repeating-linear-gradient(to bottom, #dae5d7 0, #dae5d7 5px, transparent 5px, transparent 10px); }
.path-node { width: 70px; height: 67px; flex-shrink: 0; display: grid; place-items: center; border-radius: 50%; background: #eef3ea; border: 3px solid #dde6d9; border-bottom: 7px solid #cedbc6; color: #7a8d73; font-size: 21px; }
.path-node.current { color: #fff; background: #55966f; border-color: #77b38e; border-bottom-color: #3e7655; box-shadow: 0 0 0 6px #eef5e9; }
.path-node.done { background: #dfedcc; border-color: #c6dda9; border-bottom-color: #a5c480; color: #456c35; }
.path-node:hover:not(.locked) { filter: brightness(.95); }
.path-row small { font-size: 10px; font-weight: 700; letter-spacing: .8px; color: #627b59; }
.path-row h4 { font-size: 16px; font-weight: 600; margin: 3px 0; }
.path-row span:not(.path-node) { font-size: 12px; color: var(--muted); }
.path-node span { color: inherit !important; font-size: inherit !important; }
.right-rail { display: grid; gap: 19px; }
.rail-card { border: 1px solid var(--line); border-radius: 16px; background: #fff; padding: 22px; }
.rail-card h3 > span:last-child { float: right; }
.rail-card p { font-size: 13px; color: var(--muted); margin: 9px 0; }
.rail-card small { display: block; font-size: 12px; color: var(--muted); margin-top: 11px; }
.rail-card .text-link { display: inline-block; margin-top: 9px; }
.goal-counter { display: flex; align-items: baseline; gap: 8px; margin: 18px 0 16px; }
.goal-counter strong { font-size: 38px; font-weight: 600; line-height: 1; }
.goal-counter span { color: var(--muted); font-size: 14px; }
progress { width: 100%; height: 10px; border: 0; border-radius: 10px; overflow: hidden; display: block; appearance: none; background: #e9efdf; accent-color: #76a66b; }
progress::-webkit-progress-bar { background: #e9efdf; }
progress::-webkit-progress-value { background: #76a66b; border-radius: 10px; }
progress::-moz-progress-bar { background: #76a66b; border-radius: 10px; }
.week-days { display: flex; justify-content: space-between; gap: 5px; margin: 19px 0 17px; }
.week-days > div { display: grid; gap: 8px; justify-items: center; }
.week-days span { color: var(--muted); font-size: 11px; }
.week-days i { display: grid; place-items: center; width: 25px; height: 28px; border-radius: 9px; background: #f0f2ed; color: #8c9b83; font-style: normal; }
.week-days i.filled { background: #fff0dc; color: #bf632a; border: 1px solid #e8bd8e; }
.rail-card .rail-callout { padding-top: 13px; border-top: 1px solid var(--line); text-align: center; font-size: 12px; }
.soft-card { background: #eef2e4; }
.demo-banner, .notice { background: #f1f4e8; border: 1px solid #d8e2ce; border-radius: 10px; padding: 12px 16px; font-size: 13px; margin-bottom: 23px; color: #536947; }
.notice.alert { background: #fff1e7; border-color: #edc7a9; color: #844624; }
.track-grid, .badge-grid, .source-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.track-card { background: white; border: 1px solid var(--line); border-radius: 17px; padding: 25px; display: flex; flex-direction: column; align-items: start; }
.track-top { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 10px; margin-bottom: 25px; }
.track-card .eyebrow { font-size: 10px; }
.track-card h2 { margin: 10px 0; }
.track-card > p:not(.eyebrow) { color: var(--muted); font-size: 14px; padding-bottom: 25px; }
.track-progress { display: flex; justify-content: space-between; width: 100%; gap: 8px; font-size: 12px; margin: auto 0 9px; color: var(--muted); }
.track-card form, .track-card .button { width: 100%; }
.track-card form { margin-top: 24px; }
.footnote { font-size: 12px; color: var(--muted); margin-top: 25px; }
.empty-state { text-align: center; border: 1px dashed #ccd9c7; border-radius: 18px; padding: 55px 25px; background: white; }
.empty-state > span { display: block; color: #769566; font-size: 54px; margin-bottom: 15px; }
.empty-state p { color: var(--muted); margin: 12px auto 24px; max-width: 480px; }
.practice-callout { padding: 26px 30px; background: #eaf1df; border: 1px solid #d8e4cd; border-radius: 17px; margin-bottom: 25px; }
.practice-callout p { color: #5c7151; margin-top: 10px; max-width: 720px; }
.review-list { display: grid; gap: 14px; }
.review-card { display: flex; align-items: center; gap: 22px; padding: 22px; background: white; border: 1px solid var(--line); border-radius: 14px; }
.review-card > div { flex: 1; }
.review-card .eyebrow { font-size: 10px; margin-bottom: 7px; }
.review-card small { display: block; font-size: 12px; color: var(--muted); margin-top: 8px; }
.review-card > .button { white-space: nowrap; }
.segmented { display: inline-flex; padding: 5px; border: 1px solid var(--line); border-radius: 11px; gap: 4px; margin-bottom: 24px; background: #ecf1e8; }
.segmented a { padding: 8px 20px; font-size: 14px; font-weight: 600; border-radius: 7px; }
.segmented .selected { background: white; box-shadow: 0 1px 3px #243f4215; }
.leaderboard-card { max-width: 820px; background: white; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.league-heading { text-align: center; background: #eff2e5; padding: 25px; }
.league-heading > span { font-size: 46px; color: #9c9c50; }
.league-heading p { color: var(--muted); font-size: 14px; margin: 8px 0 4px; }
.leaderboard-card .empty-state { border: 0; }
.rankings { padding: 12px 18px; margin: 0; list-style: none; }
.rankings li { display: flex; align-items: center; gap: 17px; border-radius: 9px; padding: 17px 15px; }
.rankings li + li { border-top: 1px solid #eef2eb; }
.rankings .is-you { background: #eef6e7; }
.rank { width: 28px; text-align: center; color: var(--muted); }
.rank-xp { margin-left: auto; font-size: 14px; font-weight: 700; white-space: nowrap; color: #50805c; }
.search-form { display: flex; gap: 12px; max-width: 760px; margin-bottom: 24px; }
.search-form input[type=search] { width: 100%; min-width: 0; background: white; color: var(--ink); border: 1px solid #cddcc9; border-radius: 11px; padding: 12px 17px; }
.results-count { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.source-card { border: 1px solid var(--line); border-radius: 14px; background: white; padding: 23px; transition: border-color .16s; }
.source-card:hover { border-color: #8dad78; }
.source-kind { font-size: 10px; font-weight: 700; letter-spacing: 1.2px; padding: 4px 7px; border-radius: 5px; background: #edf3e8; color: #60754e; }
.source-card h3 { margin: 14px 0 8px; }
.source-card p { font-size: 11px; color: var(--muted); overflow-wrap: anywhere; margin-bottom: 20px; }
.source-document { max-width: 900px; background: white; border: 1px solid var(--line); border-radius: 17px; padding: 38px; margin-top: 24px; }
.source-document h1 { font-size: 32px; }
.source-path { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; padding: 12px 0 23px; border-bottom: 1px solid var(--line); }
.source-body { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 15px; line-height: 1.8; margin-top: 28px; }
.profile-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.profile-stats article { background: white; padding: 27px; border: 1px solid var(--line); border-radius: 15px; }
.profile-stats strong { display: block; color: #427953; font-size: 36px; line-height: 1.2; }
.profile-stats span { font-size: 13px; color: var(--muted); }
.badge-card { text-align: center; background: #f1f4ee; border: 1px dashed #d1dccb; border-radius: 17px; padding: 25px; }
.badge-symbol { display: grid; place-items: center; width: 65px; height: 65px; border-radius: 22px; background: #e3e9dd; margin: 0 auto 18px; font-size: 34px; color: #778972; }
.badge-card.earned { background: white; border: 1px solid #d2e2c4; }
.badge-card.earned .badge-symbol { background: #ecf0cf; color: #829740; }
.badge-card p { color: var(--muted); margin: 8px 0; font-size: 14px; }
.badge-card small { font-size: 12px; color: #66815a; }
.account-card { background: white; padding: 28px; border: 1px solid var(--line); border-radius: 17px; margin-top: 30px; }
.account-card p { color: var(--muted); margin: 12px 0; font-size: 14px; }
.account-card form { margin-top: 22px; }
.lesson-container { max-width: 760px; margin: 0 auto; }
.lesson-heading { margin: 25px 0; }
.lesson-heading h1 { font-size: 31px; }
.lesson-heading p:not(.eyebrow) { color: var(--muted); font-size: 15px; }
.lesson-progress { display: flex; align-items: center; gap: 16px; margin-bottom: 21px; }
.lesson-progress span { font-size: 12px; color: var(--muted); white-space: nowrap; }
.lesson-step { border: 1px solid var(--line); border-radius: 21px; padding: 35px; background: white; margin-bottom: 18px; }
.lesson-step:focus { outline: none; }
.card-illustration { display: grid; place-items: center; width: 83px; height: 83px; margin-bottom: 25px; background: #eaf1d8; color: #6e8a4f; border-radius: 27px; font-size: 51px; }
.teaching-card h2 { margin: 12px 0 20px; font-size: 29px; }
.card-body { font-size: 19px; line-height: 1.65; }
.takeaway { display: flex; align-items: center; gap: 15px; padding: 19px; background: #f1f5e8; border: 1px solid #e0e9d2; border-radius: 12px; margin-top: 28px; }
.takeaway > span { font-size: 27px; color: #809358; }
.takeaway p { font-size: 15px; color: #4c6e42; font-weight: 600; }
fieldset { padding: 0; margin: 12px 0 0; border: 0; min-width: 0; }
legend { padding: 0; margin-bottom: 25px; font-size: 25px; line-height: 1.35; font-weight: 700; letter-spacing: -.5px; }
.answer-options { display: grid; gap: 13px; }
.answer-option { display: flex; align-items: center; gap: 13px; border: 2px solid #e0e8dc; border-bottom-width: 4px; border-radius: 12px; padding: 16px; cursor: pointer; }
.answer-option:hover { background: #f4f7f0; }
.answer-option:has(input:checked) { background: #eaf4df; border-color: #8fb576; color: #365d2e; }
.answer-option:has(input:focus-visible) { outline: 3px solid #dc743b; outline-offset: 3px; }
.answer-option input { accent-color: #427950; width: 18px; height: 18px; flex-shrink: 0; }
.answer-letter { display: none; }
.question-hint { color: var(--muted); font-size: 13px; margin-top: 22px; }
.answer-error { color: #a5492c; font-size: 14px; margin-top: 16px; }
.lesson-actions { display: flex; justify-content: flex-end; gap: 13px; margin-top: 24px; }
.lesson-actions > button:first-child { margin-right: auto; }
.lesson-actions > button[hidden] + button { margin-left: auto; }
.lesson-sources { margin-top: 29px; color: var(--muted); font-size: 12px; }
.lesson-sources summary { cursor: pointer; padding: 8px 0; }
.lesson-sources li { margin: 7px 0; }
.lesson-sources a { text-decoration: underline; }
.completion-card { text-align: center; padding: 22px 25px 32px; }
.completion-spark { display: inline-grid; place-items: center; width: 100px; height: 100px; background: #e7efcf; color: #7e9747; border-radius: 36px; font-size: 65px; margin-bottom: 23px; animation: spark-in .45s ease-out; }
.completion-card h1 { font-size: 36px; }
.completion-card > p:not(.eyebrow) { color: var(--muted); }
.reward-pill { display: inline-block; color: #567a32; background: #e7f1d6; border: 1px solid #cfdfb5; border-bottom: 4px solid #b4cc93; border-radius: 14px; padding: 10px 24px; font-weight: 800; font-size: 27px; margin: 24px 0 18px; }
.completion-note { font-size: 14px; max-width: 500px; margin: 0 auto; }
.answer-review { display: grid; gap: 18px; }
.feedback-card { padding: 24px; background: white; border: 1px solid #d5e3cb; border-radius: 15px; }
.feedback-card.incorrect { border-color: #e9d6b8; }
.feedback-card.incorrect .eyebrow { color: #956323; }
.feedback-card h3 { margin: 10px 0 15px; }
.feedback-card p:not(.eyebrow) { font-size: 14px; margin-top: 9px; color: var(--muted); }
.feedback-card .explanation { padding-top: 15px; border-top: 1px solid #e7edde; color: var(--ink) !important; line-height: 1.7; }
.completion-actions { display: flex; flex-direction: column; align-items: center; gap: 20px; margin: 29px 0; }
.sign-in-shell { min-height: 100dvh; padding: 60px 25px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: radial-gradient(ellipse at 18% 8%, #e0ead2, transparent 52%), radial-gradient(ellipse at 95% 92%, #f1e6cf, transparent 44%), #f5f8ef; }
.sign-in-card { width: min(100%, 550px); text-align: center; background: #ffffffeb; padding: 24px 44px 34px; border: 1px solid #dce6d5; border-radius: 25px; box-shadow: 0 18px 70px #3e5a3410; }
.sign-in-card .brand { justify-content: center; padding: 18px 0 24px; }
.spark-orbit { display: inline-grid; place-items: center; width: 85px; height: 85px; background: #eaf1d6; border: 1px solid #d8e5bb; box-shadow: 0 0 0 10px #f5f8ed; border-radius: 30px; color: #859d55; font-size: 56px; margin: 18px 0 30px; transform: rotate(-5deg); }
.sign-in-card h1 { font-size: 43px; margin: 13px 0 22px; }
.sign-in-card > p:not(.eyebrow) { color: var(--muted); line-height: 1.75; font-size: 16px; }
.sign-in-card form { margin: 24px 0 13px; }
.sign-in-card .button { width: 100%; }
.sign-in-card small { font-size: 12px; color: var(--muted); }
.sign-in-card .notice { margin: 25px 0 0; }
.google-button { background: white; color: #323c36; border-color: #cbd5c6; }
.google-button:hover { background: #f4f7f0; }
.sign-in-promises { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 17px; border-top: 1px solid var(--line); margin-top: 30px; padding-top: 22px; font-size: 11px; color: #617754; }
turbo-frame { display: block; }
.turbo-progress-bar { background-color: #80a763; height: 3px; }
@keyframes spark-in { from { transform: scale(.7) rotate(-15deg); opacity: .2; } to { transform: scale(1) rotate(0); opacity: 1; } }
@media (min-width: 1550px) { .workspace { padding-top: 48px; } .feature-card { min-height: 325px; } .lamp-art { width: 250px; height: 250px; right: 10px; } }
@media (max-width: 1250px) { .app-shell { grid-template-columns: 218px minmax(0, 1fr); } .workspace { padding: 28px; } .topbar { padding: 0 28px; } .dashboard-grid { grid-template-columns: minmax(0, 1fr) 252px; gap: 20px; } .track-grid, .source-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .feature-card { padding: 27px; } .feature-text { max-width: 90%; } .page-heading > .chip { display: none; } }
@media (max-width: 1050px) { .dashboard-grid { grid-template-columns: 1fr; } .right-rail { grid-template-columns: 1fr 1fr; } .feature-text { max-width: 80%; } .badge-grid { grid-template-columns: 1fr 1fr; } .review-card { flex-wrap: wrap; } .review-card > div { min-width: 60%; } .review-card > .button { margin-left: 68px; } }
@media (max-width: 767px) {
  .app-shell { display: block; padding-bottom: 72px; }
  .sidebar { position: fixed; top: auto; bottom: 0; height: auto; width: 100%; z-index: 5; border-right: 0; border-top: 1px solid var(--line); padding: 6px 6px max(6px, env(safe-area-inset-bottom)); overflow: visible; }
  .sidebar > :not(.main-nav) { display: none; }
  .main-nav { display: flex; justify-content: space-around; padding: 0; gap: 2px; }
  .main-nav a { display: flex; flex-direction: column; gap: 4px; padding: 8px 5px; border-radius: 9px; width: 20%; font-size: 10px; }
  .main-nav a > span:first-child { font-size: 22px; }
  .topbar { height: 65px; padding: 0 20px; }
  .topbar-title { font-size: 12px; }
  .topbar-title > span { display: none; }
  .top-stats { gap: 15px; font-size: 14px; }
  .top-stats small { font-size: 10px; margin-left: 1px; }
  .workspace { padding: 25px 20px 35px; }
  h1 { font-size: 32px; letter-spacing: -1.1px; }
  h2 { font-size: 23px; }
  .eyebrow { font-size: 10px; letter-spacing: 1.2px; }
  .page-heading { margin-bottom: 24px; }
  .page-heading p:not(.eyebrow) { font-size: 14px; }
  .feature-card { padding: 26px 23px; border-radius: 16px; min-height: auto; }
  .feature-text { max-width: 100%; }
  .feature-card h2 { font-size: 30px; }
  .lamp-art { width: 165px; height: 165px; right: -38px; opacity: .2; }
  .feature-meta { gap: 10px; font-size: 11px; }
  .section-heading { align-items: start; }
  .section-heading h2 { font-size: 22px; }
  .section-heading .text-link { font-size: 12px; min-width: 71px; text-align: right; }
  .path-unit { padding: 18px 16px; }
  .path-unit h3 { font-size: 16px; }
  .unit-number { display: none; }
  .lesson-path { padding: 18px 20px 25px; }
  .path-row { gap: 16px; min-height: 110px; }
  .path-node { width: 58px; height: 57px; }
  .path-row-1, .path-row-2 { margin-left: 15px; }
  .path-row h4 { font-size: 15px; }
  .path-row small { font-size: 9px; }
  .path-row:not(:last-child)::after { left: 29px; top: 90px; height: 31px; }
  .right-rail, .track-grid, .source-grid { grid-template-columns: 1fr; }
  .track-card { padding: 23px; }
  .review-card { padding: 20px; gap: 15px; }
  .review-card > .unit-icon { display: none; }
  .review-card > .button { margin-left: 0; }
  .review-card h3 { font-size: 16px; }
  .practice-callout { padding: 23px; }
  .practice-callout p { font-size: 14px; }
  .rankings { padding: 9px; }
  .rankings li { gap: 10px; padding: 15px 8px; font-size: 14px; }
  .rank-xp { font-size: 12px; }
  .rankings .avatar { width: 31px; height: 31px; font-size: 12px; }
  .search-form { gap: 7px; }
  .search-form .button { padding: 11px 16px; }
  .search-form input { font-size: 14px; }
  .source-document { padding: 23px; }
  .source-document h1 { font-size: 27px; }
  .source-body { font-size: 14px; }
  .profile-stats { gap: 9px; }
  .profile-stats article { padding: 15px 13px; }
  .profile-stats strong { font-size: 29px; }
  .profile-stats span { font-size: 11px; }
  .badge-grid { gap: 12px; }
  .badge-card { padding: 22px 13px; }
  .badge-card h3 { font-size: 16px; }
  .badge-card p { font-size: 12px; }
  .badge-card small { font-size: 10px; }
  .lesson-heading h1 { font-size: 27px; }
  .lesson-step { padding: 24px; border-radius: 16px; }
  .teaching-card h2 { font-size: 25px; }
  .card-body { font-size: 17px; }
  .card-illustration { width: 68px; height: 68px; font-size: 44px; border-radius: 23px; }
  legend { font-size: 22px; }
  .answer-option { padding: 14px 11px; gap: 11px; font-size: 15px; }
  .takeaway { padding: 16px; gap: 10px; }
  .takeaway p { font-size: 14px; }
  .lesson-actions .button { padding: 11px 17px; font-size: 14px; }
  .completion-card { padding: 17px 8px 26px; }
  .completion-card h1 { font-size: 31px; }
  .feedback-card { padding: 22px; }
  .sign-in-shell { padding: 28px 17px; }
  .sign-in-card { padding: 22px 25px 28px; }
  .sign-in-card h1 { font-size: 37px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }