@font-face{font-family:Great Vibes;src:url(/fonts/great-vibes-latin-400.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}:root{color-scheme:light;--ink: #171717;--muted: #62615f;--paper: #fbfaf7;--surface: #ffffff;--line: #dedbd2;--line-strong: #c6c0b5;--coral: #e44f3a;--teal: #117c72;--green: #2d7d46;--yellow: #f0bf36;--violet: #6953b8;--shadow: 0 18px 45px rgba(23, 23, 23, .08);--radius: 8px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(1180px,calc(100% - 32px));margin:0 auto}#lesson-player,#badges,#paths,#vault,#latest{scroll-margin-top:96px}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;min-height:64px;padding:0 24px;border-bottom:1px solid rgba(23,23,23,.08);background:#fbfaf7eb;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800}.brand.active .brand-mark{box-shadow:0 0 0 3px #f0bf3647}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:2px solid var(--ink);border-radius:7px;background:var(--yellow);font-size:.78rem}.nav{display:flex;align-items:center;gap:8px}.nav a{padding:8px 10px;border-radius:7px;color:var(--muted);font-size:.95rem;font-weight:650}.nav a:hover,.nav a:focus-visible,.nav a.active{background:#117c7217;color:var(--ink);outline:none}.nav a.active{border:1px solid rgba(17,124,114,.18)}.topbar-status{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.82rem;font-weight:850;min-width:0}.topbar-status strong{max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hero{display:grid;grid-template-areas:"copy lab" "auth lab";grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:42px;align-items:center;min-height:clamp(620px,calc(100vh - 132px),780px);padding:44px 0 36px}.hero-copy{grid-area:copy}.hero-lab{grid-area:lab}.hero>.auth-panel{grid-area:auth;align-self:start;margin-top:-18px}.hero-copy h1{max-width:780px;margin:0;font-size:clamp(2.6rem,7vw,5.8rem);line-height:.96;letter-spacing:0}.hero-text{max-width:670px;margin:24px 0 0;color:var(--muted);font-size:1.18rem}.eyebrow,.label{margin:0 0 8px;color:var(--teal);font-size:.75rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.label{color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.auth-panel{display:grid;gap:12px;max-width:620px;margin-top:24px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.auth-panel.signed-in{grid-template-columns:auto minmax(0,1fr) auto;align-items:center}.auth-panel strong{display:block;min-width:0}.auth-panel p{margin:5px 0 0;color:var(--muted);font-size:.9rem}.email-auth{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.email-auth input{min-height:36px;min-width:0;padding:0 10px;border:1px solid var(--line-strong);border-radius:7px;background:var(--paper);color:var(--ink)}.email-auth input:focus{border-color:var(--teal);outline:3px solid rgba(17,124,114,.14)}.auth-note{padding:9px 10px;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--muted);font-weight:750}.auth-note.error{border-color:#e44f3a59;background:#e44f3a14;color:var(--coral)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border:1px solid transparent;border-radius:7px;font-weight:800;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.button:hover,.button:focus-visible{transform:translateY(-1px);outline:none}.button.primary{background:var(--ink);color:#fff;box-shadow:0 10px 24px #1717172e}.button.secondary{border-color:var(--line-strong);background:var(--surface);color:var(--ink)}.button:disabled{cursor:not-allowed;opacity:.58;transform:none}.button.small{min-height:36px;padding:0 12px;font-size:.85rem}.hero-lab{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);overflow:hidden}.hero-lab-art{display:block;width:100%;aspect-ratio:16 / 9;object-fit:cover;border-bottom:1px solid var(--line);background:var(--paper)}.hero-lab-body{display:grid;gap:12px;padding:20px 22px 22px}.lab-header{display:flex;align-items:center;gap:8px;font-weight:800}.hero-lab h2{margin:0;font-size:clamp(1.6rem,3vw,2.25rem);line-height:1}.hero-lab p{max-width:34rem;margin:0;color:var(--muted);font-weight:700;line-height:1.45}.status-dot{width:10px;height:10px;border-radius:999px;background:var(--green)}.lab-time{margin-left:auto;color:var(--muted);font-size:.84rem}.preview-pills{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.preview-pills span{padding:14px 12px;border-right:1px solid var(--line);text-align:center;font-weight:850}.preview-pills span:last-child{border-right:0}.metrics-band{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);background:var(--yellow)}.metrics-grid{display:grid;grid-template-columns:repeat(5,1fr)}.metrics-grid div{min-height:94px;padding:18px 20px;border-right:1px solid rgba(23,23,23,.28)}.metrics-grid div:last-child{border-right:0}.metrics-grid strong{display:block;font-size:2rem;line-height:1}.metrics-grid span{color:#171717b8;font-weight:750}.page-main{min-height:calc(100vh - 118px)}.marketing-section,.showcase-band,.proof-section{padding:84px 0}.marketing-section{border-bottom:1px solid var(--line)}.marketing-split{display:grid;grid-template-columns:minmax(280px,.85fr) minmax(0,1.15fr);gap:48px;align-items:start}.marketing-split h2,.proof-section h2{margin:0;font-size:clamp(2rem,4.8vw,4.2rem);line-height:.98;letter-spacing:0}.marketing-copy{display:grid;gap:16px;max-width:720px}.marketing-copy p,.proof-section p{margin:0;color:var(--muted);font-size:1.15rem}.showcase-band{border-bottom:1px solid rgba(17,124,114,.18);background:linear-gradient(180deg,#117c7214,#117c7205),#eef7f3}.feature-grid,.page-card-grid{display:grid;gap:14px}.feature-grid{grid-template-columns:repeat(3,1fr)}.feature-card{min-height:230px;padding:22px;border:1px solid rgba(17,124,114,.2);border-radius:var(--radius);background:#ffffffc7}.feature-card h3{margin:0;font-size:1.35rem;line-height:1.12}.feature-card p{margin:14px 0 0;color:var(--muted);font-weight:700}.page-card-grid{grid-template-columns:repeat(4,1fr)}.page-card{display:grid;gap:10px;align-content:start;min-height:240px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);text-align:left;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.page-card:hover,.page-card:focus-visible{transform:translateY(-2px);border-color:var(--ink);box-shadow:0 14px 34px #17171714;outline:none}.page-card span{color:var(--teal);font-size:.74rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.page-card strong{font-size:1.45rem;line-height:1.06}.page-card p{margin:0;color:var(--muted);font-weight:700}.page-card small{align-self:end;margin-top:auto;color:var(--ink);font-weight:900}.proof-section{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;border-top:1px solid var(--ink)}.proof-section>div:first-child{max-width:780px}.proof-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.badge-section{padding:54px 0 20px}.badge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.badge-empty{display:grid;grid-template-columns:78px minmax(0,1fr);gap:14px;align-items:center;max-width:720px;margin-bottom:16px;padding:18px;border:1px dashed var(--line-strong);border-radius:var(--radius);background:var(--surface)}.badge-empty h3{margin:0;font-size:1.2rem}.badge-empty p{margin:8px 0 12px;color:var(--muted)}.badge-card{display:grid;grid-template-columns:78px minmax(0,1fr);gap:14px;align-items:start;min-height:260px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.badge-card.course{border-color:#f0bf36cc;background:linear-gradient(135deg,rgba(240,191,54,.16),transparent 40%),var(--surface)}.badge-medal{display:grid;place-items:center;width:78px;height:78px;border:2px solid var(--ink);border-radius:999px;background:var(--yellow);box-shadow:inset 0 0 0 6px #ffffff8c}.badge-medal.large{width:116px;height:116px;margin-bottom:18px}.badge-medal span{display:grid;place-items:center;width:48px;height:48px;border:1px solid rgba(23,23,23,.28);border-radius:999px;background:var(--surface);font-size:.9rem;font-weight:950}.badge-medal.large span{width:72px;height:72px;font-size:1.25rem}.badge-body{min-width:0}.badge-type{display:inline-flex;width:max-content;margin-bottom:8px;padding:4px 8px;border-radius:999px;background:#6953b81a;color:var(--violet);font-size:.72rem;font-weight:900}.badge-body h3{margin:0;font-size:1.18rem;line-height:1.12}.badge-body p{margin:8px 0;color:var(--muted)}.badge-body small{color:var(--teal);font-weight:900}.badge-claim{grid-column:1 / -1;display:grid;gap:10px;align-self:end;margin-top:4px;padding:12px;border:1px solid var(--line);border-radius:7px;background:var(--paper)}.badge-claim p{margin:0;color:var(--muted);font-size:.9rem;font-weight:750}.badge-claim label{display:grid;gap:6px;color:var(--muted);font-size:.78rem;font-weight:850}.badge-claim input{min-height:38px;width:100%;padding:0 10px;border:1px solid var(--line-strong);border-radius:7px;background:var(--surface);color:var(--ink)}.badge-claim input:focus{border-color:var(--teal);outline:3px solid rgba(17,124,114,.14)}.badge-claim code{display:block;max-width:100%;padding:8px;overflow:auto;border:1px solid var(--line);border-radius:7px;background:var(--surface);color:var(--muted);font-size:.74rem}.badge-actions{display:flex;flex-wrap:wrap;gap:8px}.verification-page{display:grid;align-items:center;min-height:calc(100vh - 64px);padding:54px 0}.verification-card{max-width:860px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.verification-card h1{max-width:760px;margin:0;font-size:clamp(2.3rem,5vw,4.8rem);line-height:.98;letter-spacing:0}.verification-card p{max-width:680px;color:var(--muted);font-size:1.08rem}.verification-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0}.verification-stats div{padding:14px;border:1px solid var(--line);border-radius:7px;background:var(--paper)}.verification-stats strong{display:block;font-size:1.8rem;line-height:1;text-transform:capitalize}.verification-stats span{color:var(--muted);font-weight:750}.workspace{display:grid;gap:24px;max-width:1280px;padding:32px 0 56px}.lesson-page{min-height:calc(100vh - 80px)}.lesson-focus-topbar{position:sticky;top:0;z-index:30;display:grid;grid-template-columns:minmax(210px,1fr) minmax(260px,420px) minmax(210px,1fr);gap:18px;align-items:center;min-height:72px;padding:0 24px;border-bottom:1px solid rgba(23,23,23,.08);background:#fbfaf7ed;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.lesson-focus-brand{position:relative;display:inline-flex;align-items:center;gap:12px;min-width:0}.lesson-menu-trigger,.lesson-brand-button{border:0;background:transparent;color:var(--ink)}.lesson-menu-trigger{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.lesson-menu-trigger:hover,.lesson-menu-trigger:focus-visible{border-color:var(--ink);outline:none}.lesson-brand-button{padding:0}.lesson-focus-progress{display:grid;gap:7px;justify-items:center;border:0;background:transparent;color:var(--ink);text-align:center}.lesson-focus-progress span{display:block;font-size:.9rem;font-weight:850}.lesson-focus-progress strong{max-width:min(360px,64vw);overflow:hidden;color:var(--muted);font-size:.78rem;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.lesson-complete-indicator{display:inline-flex;align-items:center;gap:4px;width:max-content;margin:-1px 0 0;color:var(--green);font-size:.72rem;font-style:normal;font-weight:900;letter-spacing:.04em;text-transform:uppercase}.lesson-focus-progress i{display:block;width:168px;height:8px;overflow:hidden;border-radius:999px;background:#1717171a}.lesson-focus-progress b{display:block;height:100%;border-radius:inherit;background:var(--teal)}.lesson-next-button{justify-self:end;gap:8px;min-height:42px;padding:0 16px}.lesson-nav-menu{position:absolute;top:62px;left:24px;z-index:35;display:grid;gap:12px;width:min(320px,calc(100vw - 48px));padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.lesson-nav-links{display:grid;gap:6px}.lesson-nav-links button,.lesson-nav-profile button{width:100%;min-height:40px;border:1px solid transparent;border-radius:7px;background:var(--paper);color:var(--ink);text-align:left;font-weight:850}.lesson-nav-links button{padding:0 10px}.lesson-nav-links button:hover,.lesson-nav-links button:focus-visible,.lesson-nav-profile button:hover,.lesson-nav-profile button:focus-visible{border-color:var(--line-strong);outline:none}.lesson-nav-profile{display:grid;gap:8px;padding-top:12px;border-top:1px solid var(--line)}.lesson-nav-profile button{display:grid;gap:2px;padding:8px 10px}.lesson-nav-profile small,.lesson-nav-profile p{margin:0;color:var(--muted);font-size:.78rem;font-weight:750}.lesson-experience{display:grid;gap:18px}.lesson-hero-card,.lesson-choice-card,.lesson-feedback-card,.lesson-takeaway-card{border:1px solid var(--line);border-radius:14px;background:#ffffffdb;box-shadow:0 22px 55px #17171712}.lesson-hero-card{display:grid;grid-template-columns:minmax(0,.86fr) minmax(360px,1.14fr);align-items:center;min-height:300px;overflow:hidden;padding:28px 36px;background:radial-gradient(circle at 70% 16%,rgba(17,124,114,.08),transparent 34%),#ffffffeb}.lesson-hero-copy{display:grid;gap:18px;align-content:center}.lesson-chips{display:flex;flex-wrap:wrap;gap:10px}.lesson-chips span{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 13px;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);font-weight:750}.lesson-hero-copy h1{max-width:640px;margin:0;color:#0e1726;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.8rem,5vw,4.8rem);line-height:.96;letter-spacing:0}.lesson-hero-copy p{max-width:620px;margin:0;color:#30313a;font-size:clamp(1.05rem,1.5vw,1.32rem);line-height:1.45}.lesson-hero-art{display:grid;place-items:center;min-height:250px}.lesson-hero-art img{width:min(100%,620px);height:auto;max-height:310px;object-fit:contain}.lesson-action-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:stretch}.lesson-choice-card,.lesson-feedback-card,.lesson-takeaway-card{padding:22px}.panel-title-row{display:flex;align-items:flex-start;gap:16px}.panel-title-row h2{margin:0;font-size:clamp(1.18rem,1.55vw,1.55rem);line-height:1.15}.panel-title-row p{margin:5px 0 0;color:var(--muted);font-size:.98rem;line-height:1.4}.section-icon{display:grid;flex:0 0 auto;place-items:center;width:56px;height:56px;border-radius:999px}.section-icon.mint{background:#117c721f;color:var(--teal)}.section-icon.gold{background:#f0bf3638;color:#9a6c00}.micro-label,.lesson-doc-links span{color:var(--teal);font-size:.78rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.prompt-choice-list{display:grid;gap:10px}.prompt-choice{display:grid;grid-template-columns:44px minmax(0,1fr) auto auto;gap:12px;align-items:center;width:100%;min-height:58px;padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);color:var(--ink);text-align:left;transition:border-color .16s ease,background .16s ease,transform .16s ease}.prompt-choice:hover,.prompt-choice:focus-visible{border-color:var(--ink);outline:none;transform:translateY(-1px)}.choice-letter{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--muted);font-size:1.05rem;font-weight:900}.choice-copy{color:var(--ink);font-weight:750;line-height:1.35}.choice-pill{width:max-content;padding:5px 8px;border-radius:7px;font-size:.7rem;font-weight:900;letter-spacing:.02em;text-transform:uppercase;white-space:nowrap}.choice-pill.success{background:#2d7d461f;color:var(--green)}.choice-pill.danger{background:#e44f3a1a;color:var(--coral)}.choice-check{display:grid;place-items:center;width:32px;height:32px;border:2px solid var(--teal);border-radius:999px;color:var(--teal)}.prompt-choice.selected{border-color:var(--ink)}.prompt-choice.best{border-color:#2d7d46b8;background:#2d7d460f}.prompt-choice.best .choice-letter{border-color:#2d7d4647;background:#2d7d461a;color:var(--teal)}.prompt-choice.poor{border-color:#e44f3ab8;background:#e44f3a0f}.prompt-choice.poor .choice-letter{border-color:#e44f3a47;background:#e44f3a14;color:var(--coral)}.lesson-feedback-card{display:grid;align-content:start;gap:22px}.lesson-feedback-card.incorrect{border-color:#e44f3a47;background:radial-gradient(circle at 18% 24%,rgba(228,79,58,.08),transparent 42%),#ffffffe0}.lesson-feedback-card.correct{border-color:#2d7d4647;background:radial-gradient(circle at 18% 24%,rgba(45,125,70,.08),transparent 42%),#ffffffe0}.feedback-insight-list{display:grid;gap:14px}.feedback-insight{display:grid;grid-template-columns:46px minmax(0,1fr);gap:14px;align-items:start}.feedback-insight>span{display:grid;place-items:center;width:44px;height:44px;border-radius:999px;background:#117c721a;color:var(--teal)}.feedback-insight.success>span{background:#2d7d461f;color:var(--green)}.feedback-insight.danger>span{background:#e44f3a1c;color:var(--coral)}.feedback-insight strong{display:block;font-weight:900}.feedback-insight p{margin:3px 0 0;color:#30313a;line-height:1.45}.lesson-takeaway-card{display:grid;gap:20px}.takeaway-grid{display:grid;grid-template-columns:.82fr minmax(360px,1.35fr) .78fr;gap:24px;align-items:stretch}.takeaway-grid>section{min-width:0;padding:0 24px;border-left:1px solid var(--line)}.takeaway-grid>section:first-child{padding-left:0;border-left:0}.takeaway-grid .micro-label,.reusable-prompt-top .micro-label{margin:0 0 10px}.takeaway-grid strong{display:block;color:var(--ink);font-size:1.08rem;line-height:1.45}.reusable-prompt{display:grid;align-content:start;gap:10px}.reusable-prompt-top{display:flex;justify-content:space-between;gap:12px;align-items:center}.reusable-prompt pre{min-height:114px;max-height:180px;margin:0;padding:14px;overflow:auto;border:1px solid rgba(224,177,58,.46);border-radius:var(--radius);background:#fff8d96b;color:var(--ink);white-space:pre-wrap;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.86rem;line-height:1.45}.reusable-prompt.locked pre{display:grid;place-items:center;color:var(--muted);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe 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var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.lesson-picker-top{display:flex;justify-content:space-between;gap:16px;align-items:start}.lesson-picker-top h2{margin:0}.lesson-picker .lesson-rail{padding:0;border:0;background:transparent}.section-heading{max-width:720px;margin-bottom:24px}.section-heading h2{margin:0;font-size:clamp(1.9rem,4vw,3.2rem);line-height:1;letter-spacing:0}.section-heading p:last-child{margin:12px 0 0;color:var(--muted);font-size:1.04rem}.section-heading.compact{margin-bottom:16px}.section-heading.compact h2{font-size:1.4rem}.field{display:grid;gap:8px;margin-bottom:14px;color:var(--muted);font-size:.82rem;font-weight:800}.field input{width:100%;height:42px;padding:0 12px;border:1px solid var(--line-strong);border-radius:7px;background:var(--paper);color:var(--ink)}.field input:focus{border-color:var(--teal);outline:3px solid 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