/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, 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;--spacing:.25rem;--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,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.start{inset-inline-start:var(--spacing)}.hidden{display:none}.shrink{flex-shrink:1}}:root{--ink:#070b16;--panel:#0d1323;--panel-2:#111a2d;--line:#263148;--paper:#f4f0e8;--muted:#9aa6bb;--coral:#ff5b4d;--mint:#7bf0bd;--gold:#f5c36a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--ink);color:var(--paper);margin:0;font-family:Arial,Helvetica,sans-serif;overflow-x:hidden}button,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}.topbar{z-index:10;border-bottom:1px solid #9aa6bb33;grid-template-columns:1fr auto 1fr;align-items:center;max-width:1440px;height:76px;margin:0 auto;padding:0 48px;display:grid;position:relative}.brand{letter-spacing:-.4px;align-items:center;gap:11px;width:fit-content;font-size:19px;font-weight:800;display:inline-flex}.brand-mark{border:1px solid var(--paper);width:31px;height:31px;font-size:14px;font-family:var(--font-geist-mono), monospace;place-items:center;display:grid;position:relative}.brand-mark span{color:var(--coral);margin-left:1px}.nav-proof{color:var(--muted);font:11px var(--font-geist-mono), monospace;letter-spacing:1.4px;text-transform:uppercase;align-items:center;gap:9px;display:flex}.pulse-dot{background:var(--mint);border-radius:50%;width:7px;height:7px;animation:2s infinite pulse;box-shadow:0 0 0 5px #7bf0bd14}.nav-link{color:var(--muted);justify-self:end;font-size:13px;font-weight:700}.nav-link:hover{color:var(--paper)}.hero{grid-template-columns:.9fr 1.1fr;align-items:center;gap:76px;max-width:1440px;min-height:700px;margin:0 auto;padding:82px 48px 90px;display:grid;position:relative}.hero:before{content:"";pointer-events:none;background:radial-gradient(circle,#475a912b,#0000 68%);width:520px;height:520px;position:absolute;top:6%;right:6%}.eyebrow,.result-kicker,.card-label{font:700 11px var(--font-geist-mono), monospace;letter-spacing:1.7px;color:var(--muted)}.eyebrow span,.result-kicker>span{color:var(--coral);margin-right:14px}.hero h1{letter-spacing:-4.5px;max-width:660px;margin:28px 0;font-size:clamp(52px,5vw,78px);line-height:.99}.hero h1 em,.why h2 em{color:var(--coral);font-family:Georgia,Times New Roman,serif;font-weight:400}.hero-copy>p{color:#b3bdcd;max-width:560px;margin:0;font-size:17px;line-height:1.75}.hero-metrics{border-top:1px solid var(--line);gap:0;width:fit-content;margin-top:44px;display:flex}.hero-metrics div{border-right:1px solid var(--line);min-width:110px;margin-right:30px;padding:20px 30px 0 0}.hero-metrics div:last-child{border:0;margin:0;padding-right:0}.hero-metrics strong{font:700 15px var(--font-geist-mono), monospace;display:block}.hero-metrics span{color:var(--muted);margin-top:7px;font-size:11px;display:block}.workspace{z-index:2;background:#0d1323f0;border:1px solid #2b3750;position:relative;box-shadow:0 28px 100px #0006}.workspace:after{content:"";z-index:-1;pointer-events:none;border-bottom:1px solid #ff5b4d40;border-right:1px solid #ff5b4d40;position:absolute;inset:12px -12px -12px 12px}.workspace-head{border-bottom:1px solid var(--line);background:#0a0f1d;grid-template-columns:1fr auto 1fr;align-items:center;height:48px;padding:0 16px;display:grid}.workspace-head>div{gap:7px;display:flex}.workspace-head>span{font:10px var(--font-geist-mono), monospace;color:#738098;letter-spacing:1.2px}.workspace-head button{color:#738098;font:10px var(--font-geist-mono), monospace;cursor:pointer;text-transform:uppercase;background:0 0;border:0;justify-self:end}.workspace-head button:hover{color:var(--paper)}.window-dot{border-radius:50%;width:8px;height:8px;display:block}.coral{background:var(--coral)}.gold{background:var(--gold)}.mint{background:var(--mint)}.demo-notice{border-bottom:1px solid var(--line);color:#8793a8;font:9px/1.5 var(--font-geist-mono), monospace;background:#7bf0bd09;margin:0;padding:11px 16px}.demo-notice strong{color:var(--mint);letter-spacing:.8px;margin-right:7px}.sample-switcher{border-bottom:1px solid var(--line);background:#080d18;grid-template-columns:repeat(4,1fr);display:grid}.sample-switcher button{border:0;border-right:1px solid var(--line);color:#68758b;min-height:42px;font:9px var(--font-geist-mono), monospace;cursor:pointer;text-transform:uppercase;letter-spacing:.6px;background:0 0}.sample-switcher button:last-child{border-right:0}.sample-switcher button span{color:#445067;margin-right:5px}.sample-switcher button:hover{color:var(--paper)}.sample-switcher button.active{color:var(--paper);box-shadow:inset 0 -2px var(--coral);background:#ff5b4d14}.sample-switcher button.active span{color:var(--coral)}.case-field{padding:18px 20px}.case-field label{font:700 9px var(--font-geist-mono), monospace;letter-spacing:1.4px;color:#748198;margin-bottom:11px;display:block}.case-field textarea{resize:none;color:#e6e9ef;background:0 0;border:0;outline:0;width:100%;line-height:1.55}.challenge-field{border-bottom:1px solid var(--line)}.challenge-field textarea{font-size:14px}.case-grid{grid-template-columns:1.08fr .92fr;display:grid}.code-field{border-right:1px solid var(--line)}.editor-wrap{display:flex;position:relative}.line-numbers{color:#445067;font:13px/1.55 var(--font-geist-mono), monospace;border-right:1px solid var(--line);-webkit-user-select:none;user-select:none;margin-right:12px;padding-right:10px}.line-numbers span{display:block}.code-field textarea,.tests-field textarea{font:13px/1.55 var(--font-geist-mono), monospace}.tests-field textarea{color:#ff9389;font-size:11px}.tests-field textarea.tests-passing{color:var(--mint)}.breakpoint-pin{background:var(--coral);border-radius:50%;width:8px;height:8px;position:absolute;top:27px;left:-2px;box-shadow:0 0 0 4px #ff5b4d29}.analyze-button{background:var(--coral);color:#fff;cursor:pointer;border:1px solid #ff776b;justify-content:center;align-items:center;gap:10px;width:calc(100% - 40px);height:56px;margin:4px 20px 20px;font-weight:800;transition:transform .18s,background .18s;display:flex;box-shadow:inset 0 -3px #73100a38}.analyze-button:hover:not(:disabled){background:#ff6d61;transform:translateY(-2px)}.analyze-button:disabled{cursor:default;opacity:.76}.button-icon{font-size:16px}.analyze-button kbd{color:#ffffffb3;font:9px var(--font-geist-mono), monospace;border:1px solid #ffffff52;margin-left:auto;padding:4px 7px;position:absolute;right:38px}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:15px;height:15px;animation:.7s linear infinite spin}.thinking{color:#58647a;font:9px var(--font-geist-mono), monospace;letter-spacing:.6px;background:#080d18;justify-content:space-between;margin:-4px 20px 20px;padding:13px;display:flex}.thinking-active{color:var(--mint)}.analysis-error{color:#ff9c93;font:10px/1.5 var(--font-geist-mono), monospace;margin:-5px 20px 18px}.results{border-top:1px solid var(--line);max-width:1344px;margin:0 auto;padding:84px 0 100px}.result-kicker{align-items:center;margin-bottom:28px;display:flex}.result-kicker i{color:var(--mint);letter-spacing:1.2px;border:1px solid #7bf0bd47;margin-left:auto;padding:7px 10px;font-size:8px;font-style:normal}.diagnosis-grid,.learn-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.diagnosis-card,.lesson-card,.quiz-card{border:1px solid var(--line);background:var(--panel);padding:34px;position:relative}.primary-card{border-top:2px solid var(--coral)}.card-label{color:#7f8ca2}.tiny-pin{background:var(--coral);border-radius:50%;width:7px;height:7px;margin-right:8px;display:inline-block}.confidence{color:var(--coral);font:10px var(--font-geist-mono), monospace;position:absolute;top:28px;right:30px}.diagnosis-card h2{letter-spacing:-1.3px;margin:25px 0 14px;font-size:34px}.diagnosis-card>p,.lesson-card>p{color:#a8b3c6;font-size:14px;line-height:1.65}.misconception{border-left:2px solid var(--coral);color:#e2e7ef;background:#ff5b4d12;margin-top:24px;padding:16px;font-size:13px;line-height:1.5}.misconception span{color:var(--coral);font:8px var(--font-geist-mono), monospace;letter-spacing:1.3px;margin-bottom:6px;display:block}.repair-card{background:#0a101d}.diff-group{margin-top:18px}.diff-line{border:1px solid;align-items:center;gap:14px;min-height:51px;padding:0 16px;display:flex;overflow:auto}.diff-line+.diff-line{margin-top:8px}.diff-line span{font:20px var(--font-geist-mono), monospace}.diff-line code{font:13px var(--font-geist-mono), monospace;white-space:nowrap}.removed{color:#ff948b;background:#ff5b4d0f;border-color:#ff5b4d33}.added{color:var(--mint);background:#7bf0bd0f;border-color:#7bf0bd33}.repair-card>p{color:#abb5c5;margin:18px 0;font-size:13px}.repair-note{border-top:1px solid var(--line);color:#7d899d;padding-top:16px;font-size:12px;line-height:1.55}.repair-note span{color:var(--paper);margin-right:6px;font-weight:700}.learn-grid{grid-template-columns:1.18fr .82fr;margin-top:18px}.lesson-card h3,.quiz-card h3{letter-spacing:-.7px;margin:22px 0 10px;font-size:24px}.range-visual{justify-content:space-between;align-items:center;height:116px;margin:26px 0 18px;padding:0 18px;display:flex;position:relative}.range-line{z-index:0;background:#35415a;height:2px;position:absolute;top:50%;left:40px;right:40px}.range-value{z-index:1;text-align:center;position:relative}.range-value span{min-width:42px;height:42px;color:var(--paper);font:800 12px var(--font-geist-mono), monospace;box-shadow:0 0 0 7px var(--panel);background:#202a3c;border-radius:21px;place-items:center;padding:0 8px;display:grid}.range-value small{color:#7e8ba1;font:8px var(--font-geist-mono), monospace;letter-spacing:.7px;white-space:nowrap;margin-top:12px;display:block}.range-value.success span{background:var(--mint);color:#07130e}.range-value.success small{color:var(--mint)}.range-value.warning span{background:var(--panel);color:var(--coral);border:1px dashed var(--coral)}.range-value.warning small{color:var(--coral)}.rule{border:1px solid var(--line);color:var(--gold);font:11px var(--font-geist-mono), monospace;text-align:center;background:#080d17;padding:13px 15px;display:block}.quiz-card{background:var(--paper);color:#0b1020}.quiz-card .card-label{color:#697284}.answer-form{margin-top:22px}.answer-form>label{color:#697284;font:700 8px var(--font-geist-mono), monospace;letter-spacing:1.2px;margin-bottom:8px;display:block}.answer-box{background:#fff;border:1px solid #c9cdd0;grid-template-columns:1fr auto;transition:border .15s,box-shadow .15s;display:grid}.answer-box:focus-within{border-color:#596273;box-shadow:0 0 0 3px #0a0f1a14}.answer-box.correct{background:#eaf9f1;border-color:#18a86b}.answer-box.wrong{border-color:var(--coral);background:#fff0ed}.answer-box input{color:#0b1020;min-width:0;height:54px;font:12px var(--font-geist-mono), monospace;background:0 0;border:0;outline:0;padding:0 15px}.answer-box input::placeholder{color:#9aa1aa}.answer-box button{color:#fff;cursor:pointer;background:#111827;border:0;border-left:1px solid #d6d8da;padding:0 17px;font-weight:800}.answer-box button:disabled{opacity:.4;cursor:default}.answer-box button span{color:var(--mint);margin-left:5px}.quiz-feedback{margin:14px 0 0;font-size:11px;line-height:1.45}.error-text{color:#b23f34}.success-text{color:#13764d}.outcome{border:1px solid var(--line);opacity:.72;background:#0b111f;border-top:0;grid-template-columns:auto 1fr auto;align-items:center;min-height:94px;padding:17px 24px;transition:all .4s;display:grid}.outcome.mastered{opacity:1;background:#7bf0bd14;border-color:#7bf0bd73}.outcome-icon{color:#8490a3;border:1px solid #5c687c;place-items:center;width:48px;height:48px;margin-right:18px;font-size:20px;font-weight:900;display:grid}.mastered .outcome-icon{background:var(--mint);color:#06120d;border-color:var(--mint)}.outcome>div:nth-child(2) span{color:var(--mint);font:9px var(--font-geist-mono), monospace;letter-spacing:1.3px;margin-bottom:7px;display:block}.outcome strong{font-size:14px}.test-flip{border-left:1px solid var(--line);grid-template-columns:auto auto;align-items:center;column-gap:12px;padding-left:26px;display:grid}.test-flip small{color:#778397;font:8px var(--font-geist-mono), monospace;letter-spacing:1px}.test-flip b{color:var(--paper);font:800 24px var(--font-geist-mono), monospace;grid-area:1/2/3}.test-flip em{color:var(--coral);font:normal 8px var(--font-geist-mono), monospace}.mastered .test-flip em{color:var(--mint)}.why{background:var(--paper);color:#0a0f1a;padding:100px max(48px,50vw - 672px)}.why .result-kicker{color:#697181}.why h2{letter-spacing:-3px;max-width:900px;margin:32px 0 64px;font-size:clamp(40px,4.3vw,64px);line-height:1.02}.why-grid{border-top:1px solid #c6c3bc;grid-template-columns:repeat(3,1fr);display:grid}.why-grid article{border-right:1px solid #c6c3bc;min-height:190px;padding:28px 40px 10px 0}.why-grid article:not(:first-child){padding-left:40px}.why-grid article:last-child{border:0}.why-grid article>span{color:var(--coral);font:10px var(--font-geist-mono), monospace}.why-grid h3{margin:25px 0 12px;font-size:24px}.why-grid p{color:#58606c;max-width:310px;font-size:13px;line-height:1.65}footer{grid-template-columns:1fr auto 1fr;align-items:center;max-width:1440px;min-height:120px;margin:0 auto;padding:0 48px;display:grid}footer p{color:#7f8a9e;font-size:12px}footer>span{color:#606b7e;font:8px var(--font-geist-mono), monospace;letter-spacing:1.2px;justify-self:end}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.5}}@media (width<=1050px){.hero{grid-template-columns:1fr;gap:58px;padding-top:64px}.hero-copy{max-width:780px}.results{margin:0 32px}}@media (width<=720px){.topbar{grid-template-columns:1fr auto;height:66px;padding:0 20px}.nav-proof{display:none}.hero{padding:56px 20px 70px}.hero h1{letter-spacing:-3px;font-size:49px}.hero-copy>p{font-size:15px}.hero-metrics{width:100%}.hero-metrics div{flex:1;min-width:0;margin-right:14px;padding-right:14px}.sample-switcher{grid-template-columns:repeat(2,1fr)}.case-grid,.diagnosis-grid,.learn-grid{grid-template-columns:1fr}.code-field{border-right:0;border-bottom:1px solid var(--line)}.workspace-head{grid-template-columns:1fr auto}.workspace-head>span,.analyze-button kbd{display:none}.thinking{gap:12px;overflow:hidden}.results{margin:0;padding:70px 20px}.result-kicker i{display:none}.diagnosis-card,.lesson-card,.quiz-card{padding:26px 22px}.diagnosis-card h2{padding-right:0;font-size:29px}.confidence{margin-top:20px;position:static}.range-visual{padding:0}.range-line{left:21px;right:21px}.range-value span{width:34px;height:34px;box-shadow:0 0 0 5px var(--panel)}.outcome{grid-template-columns:auto 1fr}.test-flip{border-left:0;border-top:1px solid var(--line);grid-column:1/3;margin-top:15px;padding:15px 0 0}.why{padding:72px 20px}.why h2{letter-spacing:-2.4px;font-size:41px}.why-grid{grid-template-columns:1fr}.why-grid article,.why-grid article:not(:first-child){border-bottom:1px solid #c6c3bc;border-right:0;min-height:auto;padding:26px 0}footer{grid-template-columns:1fr auto;padding:28px 20px}footer p{display:none}footer>span{text-align:right;max-width:150px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}