@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])) 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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)}.grow{flex-grow:1}}:root{--ink:#17203d;--muted:#65708c;--paper:#fffdf8;--navy:#20275e;--purple:#6f55d9;--a:#ff6b67;--e:#f6a93b;--i:#23b88f;--o:#3d9de0;--u:#8e63e6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);margin:0;font-family:Trebuchet MS,Arial Rounded MT Bold,Arial,sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}a:focus-visible,button:focus-visible,iframe:focus-visible{outline-offset:4px;outline:4px solid #f8cf51}.home-shell,.lesson-shell{min-height:100vh;overflow:hidden}.site-header,.lesson-header{justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);min-height:76px;margin:0 auto;display:flex}.brand{color:var(--ink);letter-spacing:-.02em;align-items:center;gap:11px;font-size:18px;font-weight:850;text-decoration:none;display:inline-flex}.brand-mark{color:#fff;background:var(--navy);border-radius:13px;place-items:center;width:39px;height:39px;font-size:13px;display:grid;box-shadow:0 5px #12173c}.header-badge{color:#5845b3;letter-spacing:.06em;text-transform:uppercase;background:#eeeafd;border-radius:99px;padding:9px 15px;font-size:12px;font-weight:800;display:inline-flex}.hero{color:#fff;background:radial-gradient(circle at 83% 22%,#ffffff2b 0 3px,#0000 4px),radial-gradient(circle at 64% 76%,#ffffff1f 0 5px,#0000 6px),linear-gradient(135deg,#20275e 0%,#41378e 55%,#7e5dde 100%);border-radius:38px;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);align-items:center;gap:50px;width:min(1180px,100% - 40px);min-height:450px;margin:8px auto 0;padding:72px 68px;display:grid;position:relative;overflow:hidden;box-shadow:0 22px 55px #27235e30}.hero:before,.hero:after{content:"";border:1px solid #ffffff1f;border-radius:50%;position:absolute}.hero:before{width:240px;height:240px;bottom:-145px;left:-105px}.hero:after{width:160px;height:160px;bottom:-105px;left:-67px}.hero-copy{z-index:2;position:relative}.eyebrow,.section-kicker{letter-spacing:.12em;text-transform:uppercase;margin:0 0 14px;font-size:12px;font-weight:850}.hero .eyebrow{color:#ded8ff}.hero h1{letter-spacing:-.055em;max-width:700px;margin:0;font-size:clamp(45px,5.3vw,74px);font-weight:900;line-height:.98}.hero-intro{color:#ece9ff;max-width:620px;margin:26px 0 0;font-size:18px;line-height:1.65}.hero-orbit{z-index:2;place-items:center;display:grid;position:relative}.orbit-ring{border:2px solid #ffffff2b;border-radius:50%;place-items:center;width:292px;height:292px;display:grid;position:relative}.orbit-ring:before{content:"";border:2px dashed #ffffff24;border-radius:50%;position:absolute;inset:48px}.orbit-center{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff26;border-radius:34px;place-items:center;width:104px;height:104px;font-size:38px;display:grid;transform:rotate(-4deg)}.orbit-letter{color:#fff;border:3px solid #ffffffd1;border-radius:20px;place-items:center;width:61px;height:61px;font-size:25px;font-weight:950;display:grid;position:absolute;box-shadow:0 9px 18px #130f3e40}.letter-a{background:var(--a);top:-7px;left:112px;transform:rotate(5deg)}.letter-e{background:var(--e);top:69px;right:-12px;transform:rotate(9deg)}.letter-i{background:var(--i);bottom:2px;right:28px;transform:rotate(-8deg)}.letter-o{background:var(--o);bottom:2px;left:28px;transform:rotate(7deg)}.letter-u{background:var(--u);top:69px;left:-12px;transform:rotate(-8deg)}.sound-picker,.roadmap{width:min(1180px,100% - 40px);margin:88px auto 0}.section-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px;display:flex}.section-heading h2,.roadmap h2,.content-heading h2{letter-spacing:-.04em;margin:0;font-size:clamp(29px,3vw,42px);line-height:1.08}.section-heading>p{color:var(--muted);margin:0;font-size:14px}.section-kicker{color:var(--purple);margin-bottom:8px}.vowel-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;display:grid}.vowel-card{min-height:310px;color:var(--ink);border:1px solid #141f3e0f;border-radius:28px;padding:22px;text-decoration:none;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}.vowel-card:hover{transform:translateY(-7px);box-shadow:0 17px 34px #1c244721}.theme-short-a{--accent:var(--a);--soft:#fff0ed;--deep:#d94c4a}.theme-short-e{--accent:var(--e);--soft:#fff6df;--deep:#ba7113}.theme-short-i{--accent:var(--i);--soft:#e5f8f1;--deep:#118263}.theme-short-o{--accent:var(--o);--soft:#e9f5fd;--deep:#2479b3}.theme-short-u{--accent:var(--u);--soft:#f1ebff;--deep:#6540b7}.vowel-card{background:var(--soft)}.card-topline{color:var(--deep);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;align-items:center;font-size:11px;font-weight:850;display:flex}.card-arrow{color:#fff;background:var(--accent);border-radius:50%;place-items:center;width:31px;height:31px;font-size:17px;display:grid}.vowel-bubble{color:#fff;background:var(--accent);border-radius:35% 65% 60% 40%/45% 38% 62% 55%;place-items:center;width:94px;height:94px;margin:28px auto 23px;font-size:49px;font-weight:950;transition:transform .25s;display:grid;box-shadow:inset 0 -7px #00000012}.vowel-card:hover .vowel-bubble{transform:rotate(-5deg)scale(1.05)}.card-copy h3{letter-spacing:-.03em;margin:0;font-size:23px}.card-copy p{color:var(--deep);margin:5px 0 17px;font-size:13px;font-weight:750}.card-copy>span{color:var(--muted);font-size:12px}.roadmap{background:#f1eff9;border-radius:34px;grid-template-columns:.9fr 1.1fr;gap:60px;padding:58px;display:grid}.roadmap-copy>p:last-child{color:var(--muted);line-height:1.7}.coming-list{flex-wrap:wrap;align-content:center;gap:10px;display:flex}.coming-list span{color:#59627b;background:#fff;border-radius:13px;padding:11px 15px;font-size:13px;font-weight:720;box-shadow:0 3px #2a2e520d}.site-footer{color:#798097;border-top:1px solid #e4e3ea;justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);min-height:98px;margin:65px auto 0;font-size:13px;display:flex}.site-footer span:first-child{color:var(--ink);font-weight:850}.lesson-shell{--accent:var(--purple);--soft:#f0ecff;--deep:#5841ad;background:#fffdfa}.lesson-header{min-height:82px}.back-link{color:var(--muted);font-size:13px;font-weight:750;text-decoration:none}.back-link:hover{color:var(--accent)}.lesson-progress{width:min(700px,100% - 40px);margin:14px auto 34px}.lesson-progress ol{grid-template-columns:repeat(3,1fr);margin:0;padding:0;list-style:none;display:grid}.lesson-progress li{color:#9197a8;letter-spacing:.02em;text-align:center;flex-direction:column;align-items:center;gap:8px;font-size:11px;display:flex;position:relative}.lesson-progress li:after{content:"";z-index:0;background:#e6e5ec;border-radius:99px;width:calc(100% - 46px);height:3px;position:absolute;top:17px;left:calc(50% + 23px)}.lesson-progress li:last-child:after{display:none}.lesson-progress li>span{z-index:1;color:#7f8597;background:#ecebf0;border:3px solid #fffdfa;border-radius:50%;place-items:center;width:36px;height:36px;font-size:13px;font-weight:900;display:grid;position:relative}.lesson-progress li.is-active{color:var(--deep)}.lesson-progress li.is-active>span{color:#fff;background:var(--accent);box-shadow:0 4px 0 var(--deep)}@supports (color:color-mix(in lab, red, red)){.lesson-progress li.is-active>span{box-shadow:0 4px 0 color-mix(in srgb, var(--deep) 55%, transparent)}}.lesson-progress li.is-done{color:var(--deep)}.lesson-progress li.is-done>span{color:#fff;background:var(--deep)}.lesson-progress li.is-done:after{background:var(--accent)}@supports (color:color-mix(in lab, red, red)){.lesson-progress li.is-done:after{background:color-mix(in srgb, var(--accent) 45%, #e6e5ec)}}.lesson-stage{animation:.28s both stage-in}@keyframes stage-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.lesson-hero{background:var(--soft);border-radius:36px;grid-template-columns:1.25fr .75fr;align-items:center;gap:60px;width:min(1180px,100% - 40px);min-height:390px;margin:0 auto;padding:54px 66px;display:grid;overflow:hidden}.lesson-title-block .eyebrow{color:var(--deep)}.lesson-title-block h1{letter-spacing:-.07em;margin:0;font-size:clamp(52px,7vw,86px);line-height:.92}.sound-sentence{color:#555f79;max-width:650px;margin:24px 0 25px;font-size:18px;line-height:1.65}.sound-sentence strong{color:var(--ink)}.listen-example,.hear-all{color:#fff;background:var(--accent);cursor:pointer;box-shadow:0 6px 0 var(--deep);border:0;border-radius:99px;align-items:center;gap:11px;padding:13px 19px 13px 13px;font-size:14px;font-weight:820;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.listen-example,.hear-all{box-shadow:0 6px 0 color-mix(in srgb, var(--deep) 75%, black 10%)}}.listen-example,.hear-all{transition:transform .16s,box-shadow .16s}.listen-example:hover,.hear-all:hover{box-shadow:0 8px 0 var(--deep);transform:translateY(-2px)}@supports (color:color-mix(in lab, red, red)){.listen-example:hover,.hear-all:hover{box-shadow:0 8px 0 color-mix(in srgb, var(--deep) 75%, black 10%)}}.listen-example:active,.hear-all:active{box-shadow:0 2px 0 var(--deep);transform:translateY(4px)}.listen-example:disabled,.hear-all:disabled,.example-only:disabled,.direction-replay:disabled{opacity:.6;cursor:not-allowed}.sound-icon{background:#fff3;border-radius:50%;place-items:center;width:29px;height:29px;padding-left:2px;font-size:10px;display:grid}.direction-buttons{flex-wrap:wrap;align-items:center;gap:13px;display:flex}.example-only,.direction-replay{color:var(--deep);cursor:pointer;background:#ffffffd9;border:0;border-radius:14px;align-items:center;gap:8px;font-size:13px;font-weight:820;transition:transform .16s,background .16s;display:inline-flex}.example-only{min-height:49px;padding:11px 16px}.example-only:hover,.direction-replay:hover{background:#fff;transform:translateY(-2px)}.direction-replay{box-shadow:0 3px 0 var(--accent);margin-top:17px;padding:10px 14px}@supports (color:color-mix(in lab, red, red)){.direction-replay{box-shadow:0 3px 0 color-mix(in srgb, var(--accent) 16%, transparent)}}.direction-replay span{color:#fff;background:var(--accent);border-radius:50%;place-items:center;width:22px;height:22px;font-size:8px;display:grid}.lesson-letter-art{min-height:265px;color:var(--deep);isolation:isolate;flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative}.lesson-letter-art:before{content:"";z-index:-1;background:var(--accent);border-radius:42% 58% 65% 35%/48% 40% 60% 52%;width:230px;height:230px;position:absolute}@supports (color:color-mix(in lab, red, red)){.lesson-letter-art:before{background:color-mix(in srgb, var(--accent) 18%, white)}}.lesson-letter-art:before{transform:rotate(8deg)}.big-emoji{filter:drop-shadow(0 8px 8px #0000001f);font-size:54px;position:absolute;top:5px;right:18px;transform:rotate(10deg)}.big-letter{color:var(--accent);letter-spacing:-.08em;text-shadow:0 8px #ffffffbf;font-size:126px;font-weight:950;line-height:.9}.lesson-letter-art>span:last-child{background:#fffc;border-radius:99px;margin-top:11px;padding:7px 12px;font-size:13px;font-weight:850}.lesson-content{width:min(980px,100% - 40px);margin:88px auto 0}.lesson-step-content{margin-top:46px}.compact-step-content{min-height:555px;margin-top:0}.video-section,.word-section,.challenge-section{margin-top:90px}.video-section{margin-top:0}.content-heading{align-items:center;gap:17px;margin-bottom:28px;display:flex}.content-heading h1,.content-heading h2{letter-spacing:-.04em;margin:0;font-size:clamp(28px,3.2vw,39px);line-height:1.08}.content-heading .section-kicker{color:var(--deep);margin-bottom:6px}.step-number{color:#fff;background:var(--accent);width:49px;height:49px;box-shadow:0 5px 0 var(--deep);border-radius:17px;flex:0 0 49px;place-items:center;font-size:19px;font-weight:900;display:grid}@supports (color:color-mix(in lab, red, red)){.step-number{box-shadow:0 5px 0 color-mix(in srgb, var(--deep) 50%, transparent)}}.video-frame{aspect-ratio:16/8.8;background:#171c37;border-radius:30px;width:100%;position:relative;overflow:hidden;box-shadow:0 18px 45px #22264729}.video-frame iframe{border:0;width:100%;height:100%}.video-note{color:#8a90a1;margin:15px 5px 0;font-size:12px}.step-banner{background:var(--soft);border:1px solid var(--accent);border-radius:30px;align-items:center;gap:28px;min-height:205px;margin-bottom:42px;padding:36px 42px;display:flex}@supports (color:color-mix(in lab, red, red)){.step-banner{border:1px solid color-mix(in srgb, var(--accent) 12%, transparent)}}.step-banner-letter{color:#fff;background:var(--accent);border-radius:36px;flex:0 0 112px;place-items:center;width:112px;height:112px;font-size:62px;font-weight:950;display:grid;transform:rotate(-3deg);box-shadow:inset 0 -8px #00000014}.step-banner h1{letter-spacing:-.055em;margin:0;font-size:clamp(35px,5vw,54px);line-height:1}.step-banner h1+p{color:var(--muted);margin:14px 0 0;line-height:1.6}.practice-stage .word-section{margin-top:0}.stage-tip{color:#71602f;background:#fff5cc;border-radius:16px;margin-top:28px;padding:15px 18px;font-size:13px;font-weight:720}.stage-tip span{color:#e5aa15;margin-right:5px}.stage-actions{border-top:1px solid #e6e4eb;justify-content:space-between;align-items:center;gap:14px;margin-top:38px;padding-top:25px;display:flex}.stage-actions-end{justify-content:flex-end}.stage-actions button,.inline-back{cursor:pointer;border:0;border-radius:15px;min-height:50px;padding:12px 19px;font-weight:850;transition:transform .16s,box-shadow .16s}.stage-next{color:#fff;background:var(--accent);box-shadow:0 5px 0 var(--deep)}.stage-next:hover{box-shadow:0 7px 0 var(--deep);transform:translateY(-2px)}.stage-next:active{box-shadow:0 2px 0 var(--deep);transform:translateY(3px)}.stage-back{color:var(--deep);background:var(--soft)}.stage-back:hover{transform:translate(-2px)}.challenge-topbar{color:#8a90a1;justify-content:space-between;align-items:center;margin-bottom:23px;font-size:12px;font-weight:750;display:flex}.inline-back{min-height:42px;color:var(--deep);background:var(--soft);padding:9px 14px}.inline-back:hover{transform:translate(-2px)}.word-bank{grid-template-columns:repeat(4,1fr);gap:13px;display:grid}.practice-word{border:1px solid var(--accent);min-height:77px;padding:13px}@supports (color:color-mix(in lab, red, red)){.practice-word{border:1px solid color-mix(in srgb, var(--accent) 16%, #d8dae3)}}.practice-word{color:var(--ink);cursor:pointer;text-align:left;background:#fff;border-radius:20px;align-items:center;gap:12px;font-size:20px;font-weight:850;transition:transform .15s,border-color .15s;display:flex;box-shadow:0 5px #ececf1}.practice-word:hover{border-color:var(--accent);transform:translateY(-2px)}.practice-word:active{transform:translateY(3px);box-shadow:0 2px #ececf1}.mini-speaker{color:#fff;background:var(--accent);border-radius:12px;place-items:center;width:36px;height:36px;font-size:17px;display:grid}.audio-note{color:#a33b3b;font-size:13px}.challenge-heading{align-items:center}.score-pill{color:#6e5613;background:#fff0b7;border-radius:99px;margin-left:auto;padding:10px 15px;font-size:13px;font-weight:900}.score-pill span{color:#e1a918}.quiz-card{background:#f4f2fa;border:1px solid #ebe7f3;border-radius:30px;padding:36px}.quiz-progress-row{color:#777e91;justify-content:space-between;font-size:12px;font-weight:720;display:flex}.progress-track{background:#dedce7;border-radius:99px;width:100%;height:8px;margin-top:12px;overflow:hidden}.progress-track span{border-radius:inherit;background:var(--accent);height:100%;transition:width .3s;display:block}.quiz-prompt{text-align:center;padding:46px 10px 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