@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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components;@layer utilities{.visible{visibility:visible}.fixed{position:fixed}.static{position:static}.sticky{position:sticky}.isolate{isolation:isolate}.block{display:block}.table{display:table}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit}a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.site-shell{width:min(1180px,100% - 64px);margin:0 auto}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:84px;display:flex}.brand{align-items:center;gap:11px;text-decoration:none;display:inline-flex}.brand-mark{background:var(--ink);width:34px;height:34px;color:var(--highlight);border-radius:11px;place-items:center;font-size:18px;font-weight:800;display:grid}.brand-name{letter-spacing:.11em;font-size:12px;font-weight:800}.brand-name span{color:var(--muted);font-weight:500}.header-link{color:var(--muted);font-size:13px;text-decoration:none}.header-link span{color:var(--accent);margin-left:6px}.hero{grid-template-columns:1.05fr .95fr;align-items:center;gap:48px;min-height:490px;padding:55px 4px 68px;display:grid}.eyebrow{color:var(--accent);letter-spacing:.16em;align-items:center;gap:9px;margin:0 0 21px;font-size:10px;font-weight:800;display:flex}.eyebrow-dot{background:var(--accent);border-radius:50%;width:7px;height:7px}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.065em;max-width:590px;margin-bottom:21px;font-size:clamp(43px,6vw,72px);font-weight:650;line-height:.99}h1 em{color:var(--accent);font-family:Georgia,Times New Roman,serif;font-weight:400}.hero-description{max-width:490px;color:var(--muted);margin-bottom:26px;font-size:16px;line-height:1.7}.primary-link{background:var(--ink);color:#fff;border-radius:7px;align-items:center;gap:24px;min-height:48px;padding:0 18px;font-size:13px;font-weight:650;text-decoration:none;transition:transform .18s,background .18s;display:inline-flex}.primary-link:hover{background:var(--accent);transform:translateY(-2px)}.primary-link span{color:var(--highlight);font-size:17px}.hero-note{color:#77817c;margin:14px 0 0;font-size:11px}.hero-art{aspect-ratio:1;justify-self:end;place-items:center;width:min(100%,440px);display:grid;position:relative}.hero-art:before{content:"";background:radial-gradient(circle,#dff17b6b,#dff17b00 68%);border-radius:50%;position:absolute;inset:12%}.orbit{border:1px solid #22685c33;border-radius:50%;position:absolute}.orbit-one{aspect-ratio:1;width:38%}.orbit-two{aspect-ratio:1;width:62%}.orbit-three{aspect-ratio:1;border-style:dashed;width:86%}.orbit-core{z-index:1;background:var(--surface);border:1px solid #1c292514;border-radius:30px;flex-direction:column;justify-content:center;align-items:center;width:102px;height:102px;display:flex;transform:rotate(-7deg);box-shadow:0 20px 55px #1c29251c}.orbit-core span{letter-spacing:-.07em;font-family:Georgia,Times New Roman,serif;font-size:37px}.orbit-core small{color:var(--accent);letter-spacing:.16em;font-size:9px;font-weight:800}.orbit-label{z-index:2;border:1px solid var(--line);background:var(--surface);color:#53615b;letter-spacing:.12em;border-radius:20px;padding:8px 11px;font-size:9px;font-weight:800;position:absolute;box-shadow:0 7px 20px #1c29250d}.label-reading{top:13%;left:21%}.label-listening{top:31%;right:2%}.label-speaking{bottom:16%;right:12%}.label-writing{bottom:30%;left:1%}.course-section{border-top:1px solid var(--line);padding:43px 0 76px}.section-heading{justify-content:space-between;align-items:end;gap:42px;margin-bottom:27px;display:flex}.section-heading .eyebrow{margin-bottom:13px}h2{letter-spacing:-.045em;max-width:590px;margin-bottom:0;font-size:clamp(27px,3.5vw,39px);font-weight:620;line-height:1.08}.section-intro{max-width:320px;color:var(--muted);margin:0 0 3px;font-size:13px;line-height:1.65}.course-card{border:1px solid var(--line);background:var(--surface);border-radius:13px;grid-template-columns:1.15fr .85fr;display:grid;overflow:hidden}.course-card-main{padding:30px}.course-meta{align-items:center;gap:12px;margin-bottom:24px;display:flex}.course-tag{background:var(--accent-soft);color:var(--accent);letter-spacing:.13em;border-radius:4px;padding:6px 8px;font-size:9px;font-weight:800}.course-status{color:#7c8680;letter-spacing:.08em;align-items:center;gap:7px;font-size:9px;font-weight:700;display:inline-flex}.course-status span{background:#b0a15d;border-radius:50%;width:6px;height:6px}h3{letter-spacing:-.055em;margin-bottom:11px;font-size:36px;font-weight:650}h3 span{color:var(--accent);font-family:Georgia,Times New 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var(--line);color:#7a847f;letter-spacing:.12em;justify-content:space-between;padding:19px 0 24px;font-size:9px;display:flex}@media (max-width:760px){.site-shell{width:min(100% - 36px,560px)}.site-header{min-height:68px}.header-link{font-size:11px}.hero{grid-template-columns:1fr;gap:12px;padding:56px 0 50px}.hero-art{justify-self:center;width:min(100%,360px)}.hero-copy{z-index:2;position:relative}.section-heading{flex-direction:column;align-items:start;gap:14px}.course-card{grid-template-columns:1fr}.course-card-aside{border-top:1px solid var(--line);border-left:0}}@media (max-width:420px){.brand-name{font-size:10px}.brand-mark{width:30px;height:30px}.header-link{text-align:right;max-width:118px;line-height:1.4}.hero-art{width:100%}.course-card-main,.course-card-aside{padding:22px}.site-footer{letter-spacing:.08em;gap:18px;font-size:8px}}.auth-page{background:radial-gradient(circle at 50% 0, #e7f1ec, transparent 45%), var(--paper);place-items:center;min-height:100vh;padding:34px 20px;display:grid}.auth-brand{letter-spacing:.1em;font-size:11px;font-weight:800;text-decoration:none;position:absolute;top:28px;left:max(24px,50vw - 590px)}.auth-brand span{color:var(--muted);font-weight:500}.auth-card{border:1px solid var(--line);background:var(--surface);border-radius:13px;width:min(100%,430px);padding:38px;box-shadow:0 18px 55px #1c29250f}.auth-card .eyebrow{margin-bottom:12px}.auth-card h1{letter-spacing:-.05em;margin-bottom:12px;font-size:34px;line-height:1.1}.auth-intro{color:var(--muted);margin-bottom:26px;font-size:13px;line-height:1.6}.auth-notice{color:#4d5745;background:#fafbf2;border:1px solid #e5e8d4;border-radius:8px;padding:16px;font-size:12px;line-height:1.55}.auth-notice p{margin:6px 0 0}.auth-form{gap:9px;display:grid}.auth-form label{color:#43514a;margin-top:7px;font-size:11px;font-weight:700}.auth-form input{border:1px solid var(--line);width:100%;height:43px;color:var(--ink);font:inherit;background:#fff;border-radius:6px;padding:0 12px}.auth-form input:focus-visible{border-color:var(--accent);outline:3px solid #22685c40}.auth-actions{grid-template-columns:1fr 1fr;gap:9px;margin-top:12px;display:grid}.auth-actions button{border:1px solid var(--ink);min-height:43px;font:inherit;cursor:pointer;border-radius:6px;font-size:12px;font-weight:700}.auth-submit{background:var(--ink);color:#fff}.auth-secondary{color:var(--ink);background:#fff}.auth-actions button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.auth-footnote{color:#7a847f;margin:8px 0 0;font-size:10px}.form-message{border-radius:6px;padding:11px 12px;font-size:11px;line-height:1.45}.form-message.success{background:var(--accent-soft);color:var(--accent)}.learning-shell{min-height:100vh}.learning-header{border-bottom:1px solid var(--line);background:var(--surface);grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;min-height:72px;padding:0 max(28px,50vw - 590px);display:grid}.learning-brand{letter-spacing:.08em;align-items:center;gap:9px;width:fit-content;font-size:10px;font-weight:800;text-decoration:none;display:inline-flex}.learning-brand .brand-mark{width:29px;height:29px;font-size:15px}.learning-brand>span:last-child{color:var(--muted);font-weight:500}.learning-header nav{gap:23px;display:flex}.learning-header nav a,.account-menu button{color:var(--muted);font-size:11px;text-decoration:none}.learning-header nav a:hover,.account-menu button:hover{color:var(--accent)}.account-menu{justify-self:end;align-items:center;gap:15px;display:flex}.account-menu>span{max-width:210px;color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.account-menu form{margin:0}.account-menu button{cursor:pointer;background:0 0;border:0;padding:0}.learning-main{width:min(100% - 56px,1080px);margin:0 auto;padding:52px 0 90px}.dashboard-page>.eyebrow,.catalog-page>.eyebrow,.course-overview>.eyebrow{margin-bottom:13px}.dashboard-page>h1,.catalog-page>h1,.course-overview>h1{max-width:780px;margin-bottom:12px;font-size:clamp(36px,5vw,54px)}.dashboard-intro{max-width:620px;color:var(--muted);margin-bottom:34px;font-size:14px;line-height:1.65}.dashboard-stats{gap:12px;margin:0 0 20px;display:flex}.dashboard-stats>div{border:1px solid var(--line);background:var(--surface);border-radius:9px;gap:5px;min-width:155px;padding:16px 18px;display:grid}.dashboard-stats strong{color:var(--accent);letter-spacing:-.04em;font-size:25px}.dashboard-stats span{color:var(--muted);font-size:10px}.dashboard-course{border:1px solid var(--line);background:var(--surface);border-radius:11px;justify-content:space-between;align-items:center;gap:28px;padding:28px;display:flex}.dashboard-course h2{margin:16px 0 8px;font-size:27px}.dashboard-course p{color:var(--muted);margin:0;font-size:12px}.dashboard-course 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small{letter-spacing:.15em;font-size:10px;font-weight:800}.catalog-copy{align-self:center}.catalog-copy h2{margin:13px 0 8px;font-size:26px}.catalog-copy>p{max-width:580px;color:var(--muted);margin-bottom:18px;font-size:12px;line-height:1.65}.text-link{color:var(--accent);font-size:11px;font-weight:750;text-decoration:none}.text-link span{margin-left:6px}.back-link{color:var(--muted);margin-bottom:27px;font-size:11px;text-decoration:none;display:inline-block}.back-link:hover{color:var(--accent)}.level-grid{grid-template-columns:repeat(3,1fr);gap:13px;display:grid}.level-card{border:1px solid var(--line);background:var(--surface);border-radius:9px;min-height:142px;padding:18px}.level-card.available{border-color:#bdd8c9}.level-card-id{color:var(--accent);letter-spacing:.14em;font-size:10px;font-weight:800}.level-card h2{margin:12px 0 20px;font-size:18px}.planned-label{color:#89928d;font-size:10px}.unit-list{border:1px solid var(--line);background:var(--surface);border-radius:10px;overflow:hidden}.unit-row{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:20px 22px;text-decoration:none;display:flex}.unit-row:last-child{border-bottom:0}.unit-row>span:first-child{gap:6px;display:grid}.unit-row small{color:var(--accent);letter-spacing:.11em;font-size:9px;font-weight:800}.unit-row strong{font-size:14px}.unit-row em{color:var(--muted);font-size:11px;font-style:normal}.unit-row>span:last-child{color:var(--accent);font-size:19px}.empty-state{border:1px dashed var(--line);color:var(--muted);border-radius:9px;padding:22px;font-size:12px}.breadcrumbs{color:#7d8982;flex-wrap:wrap;gap:9px;margin-bottom:25px;font-size:10px;display:flex}.breadcrumbs a{color:var(--muted);text-decoration:none}.breadcrumbs a:hover{color:var(--accent)}.lesson-page{width:min(100%,780px);margin:0 auto}.lesson-heading{border-bottom:1px solid var(--line);padding-bottom:26px}.lesson-heading 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8px;font-size:9px;font-weight:800}.pedagogy-copy>:last-child{margin-bottom:0}.pedagogy-copy p,.pedagogy-copy ul{margin-bottom:10px}.pedagogy-copy ul{padding-left:19px}.image-placeholder{background:var(--surface);border:1px dashed #bdcbc2;border-radius:9px;margin:22px 0;overflow:hidden}.image-placeholder-art{color:#91a097;letter-spacing:.2em;background:#f0f4ef;place-items:center;min-height:160px;font-size:10px;font-weight:800;display:grid}.image-placeholder figcaption{gap:3px;padding:12px 15px;font-size:10px;display:grid}.image-placeholder figcaption strong{color:var(--accent)}.image-placeholder figcaption small{color:var(--muted)}.exercise-card{background:var(--accent-soft);border:1px solid #cddfd4;border-radius:9px;margin:26px 0;padding:21px}.exercise-card>.pedagogy-label{justify-content:space-between;gap:12px;display:flex}.exercise-card>.pedagogy-label span{color:#708179;letter-spacing:.08em;font-size:8px}.exercise-card h3{margin:0 0 14px;font-size:16px}.exercise-options{gap:7px;display:grid}.exercise-option{width:100%;color:var(--ink);text-align:left;font:inherit;cursor:pointer;background:#fff;border:1px solid #d8e2dc;border-radius:6px;align-items:center;gap:10px;padding:9px 11px;font-size:12px;display:flex}.exercise-option:hover,.exercise-option.selected{border-color:var(--accent)}.exercise-option.selected{background:#f6faf7}.exercise-option.correct{border-color:var(--accent);background:#e0f0e6}.exercise-option.incorrect{background:#fff0ed;border-color:#c46c58}.option-marker{color:#62716a;border:1px solid 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