:root{--ink:#183e36;--cream:#f7f5ee;--olive:#dce3c7;--pink:#e8cbd8;--muted:#60716a}*{box-sizing:border-box}body{margin:0;background:#eaece3;color:var(--ink);font:16px Arial,Helvetica,sans-serif}.shell{max-width:850px;margin:auto;background:var(--cream);min-height:100dvh;padding:0 30px 110px}header{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-bottom:1px solid #183e3620}.brand{font:italic 38px Georgia;color:var(--ink);text-decoration:none}.brand span{display:block;font:10px Arial;letter-spacing:2px;text-transform:uppercase;margin-top:4px}header img{width:49px;height:49px;border-radius:50%}main{padding-top:28px}h1,h2,h3,p{margin-top:0}h1{font:48px/1.03 Georgia;letter-spacing:-1.7px;max-width:480px;margin-bottom:18px}h2{font:30px Georgia}h3{font:23px Georgia;margin-bottom:8px}p{line-height:1.6;color:var(--muted)}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:bold;text-transform:uppercase;margin-bottom:18px}.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;align-items:center}.hero img{width:100%;border-radius:48% 48% 8px 8px}.tag{display:inline-block;padding:8px 12px;background:var(--pink);border-radius:30px;font-size:12px}.stats{display:flex;gap:24px;padding:21px 0}.stats strong{display:block;font:28px Georgia}.stats span{font-size:11px;color:var(--muted)}button,.button{font:inherit;cursor:pointer;border:0;min-height:46px;border-radius:14px;padding:13px 20px;background:var(--ink);color:white;text-decoration:none;display:inline-block;text-align:center}button:hover,.button:hover{filter:brightness(1.1)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #a35a7e;outline-offset:3px}button:disabled{opacity:.45;cursor:wait}.secondary{background:transparent;border:1px solid #183e3630;color:var(--ink)}.wide{width:100%}.continue{background:var(--ink);color:var(--cream);padding:25px;border-radius:22px;margin:12px 0 30px;position:relative;overflow:hidden}.continue p{color:#dce3c7;font-size:13px}.continue button{background:var(--olive);color:var(--ink)}.sectionhead{display:flex;justify-content:space-between;align-items:baseline;margin:28px 0 12px}.sectionhead span{font-size:12px;color:var(--muted)}.lessons{display:grid;grid-template-columns:1fr 1fr;gap:14px}.lesson{text-align:left;background:white;color:var(--ink);padding:0;overflow:hidden;border:1px solid #183e3615}.cover{height:115px;position:relative;display:flex;align-items:center;justify-content:space-between;padding:20px;background:var(--olive)}.lesson:nth-child(3n+2) .cover{background:var(--pink)}.lesson:nth-child(3n) .cover{background:#e8dfcd}.cover b{font:italic 54px Georgia;opacity:.7}.cover .art{font:56px Georgia;transform:rotate(-12deg);opacity:.65}.lesson .text{padding:17px}.lesson h3{font-size:21px}.lesson small{color:var(--muted);font-size:11px}.lesson .status{font-size:10px;letter-spacing:1px;display:block;margin-bottom:10px}.back{padding-left:0;background:transparent;color:var(--ink);margin-bottom:15px}.video{background:#183e36;border-radius:20px;width:100%;max-height:470px;margin:14px 0 22px}.phrase{border-bottom:1px solid #183e3620;padding:18px 0}.phrase strong{font:22px Georgia;display:block;margin-bottom:6px}.phrase p{font-size:14px;margin:0}.actions{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}.practice{padding:26px;background:white;border:1px solid #183e3615;border-radius:24px;margin-top:15px}.practice h2{font-size:30px;line-height:1.2}.practice .prompt{font-size:20px;color:var(--ink)}progress{width:100%;height:7px;accent-color:var(--ink);margin:12px 0 24px}.options{display:grid;gap:10px}.option{text-align:left;color:var(--ink);background:var(--cream);border:1px solid #183e3625}.tokens{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.tokens button{background:var(--olive);color:var(--ink);padding:10px 14px}.assembled{min-height:70px;padding:15px;background:var(--cream);border:1px dashed #183e3650;border-radius:12px;line-height:1.6}input{font:18px Arial;padding:15px;width:100%;border:1px solid #183e3650;border-radius:12px;background:var(--cream);color:var(--ink)}.feedback{padding:20px;border-radius:16px;background:var(--olive);margin-top:20px}.feedback.wrong{background:#f2ded4}.feedback p{color:var(--ink);margin-bottom:12px}.celebrate{font:100px Georgia;color:#a35a7e;text-align:center;margin:20px}.demo{background:#e8cbd855;font-size:12px;padding:10px 14px;border-radius:10px;margin-bottom:20px;color:#6e4259}nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(850px,100%);display:flex;justify-content:space-around;border-top:1px solid #183e3620;background:#f7f5eef5;padding:10px 15px max(12px,env(safe-area-inset-bottom));z-index:10}nav button{background:none;color:var(--ink);font-size:24px;padding:5px 20px}nav span{display:block;font-size:10px;margin-top:5px}#notice:not(:empty){position:fixed;bottom:100px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:15px 20px;border-radius:12px;width:min(90%,600px);z-index:20}.muted{color:var(--muted);font-size:13px}.empty{text-align:center;padding:40px 10px}.score{font:70px Georgia}.row{display:flex;justify-content:space-between;padding:18px 0;border-bottom:1px solid #183e3620}@media(max-width:520px){.shell{padding:0 20px 100px}.hero{grid-template-columns:1.35fr 1fr;gap:5px}h1{font-size:39px}.hero p{font-size:13px}.hero img{align-self:start;margin-top:25px}.stats{gap:20px}.cover{height:96px;padding:16px}.cover b{font-size:43px}.cover .art{font-size:42px}.lesson .text{padding:13px}.lesson h3{font-size:19px}.practice{padding:20px}header{padding-top:max(20px,env(safe-area-inset-top))}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

/* Vector artwork stays consistent across iOS, Android and desktop fonts. */
.icon{display:inline-block;width:1em;height:1em;vertical-align:middle;flex:none}
.cover .art{font-size:56px;line-height:1;display:flex;flex-shrink:0}
.continue-art{position:absolute;right:20px;top:20px;font-size:100px;color:#dce3c726;pointer-events:none}
.continue> :not(.continue-art){position:relative;z-index:1}
.celebrate .icon{width:100px;height:100px}
nav i{display:block;line-height:1;font-style:normal}
.shell,.hero>* ,.lesson,.stats>div{min-width:0}
.sectionhead{gap:12px;flex-wrap:wrap}.sectionhead h2{margin-bottom:0}
.lessons{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:520px){.cover .art{font-size:42px}.continue-art{font-size:80px;right:16px}.sectionhead h2{font-size:27px}}
@media(max-width:360px){.shell{padding-left:14px;padding-right:14px}.cover{padding:12px}.cover .art{font-size:34px}.stats{gap:12px}.lesson h3{font-size:18px}nav button{padding-left:14px;padding-right:14px}}