@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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nav{gap:30px;font-size:16px;font-weight:600;display:flex}.skip{z-index:100;background:#fff;padding:10px;position:absolute;top:-100px;left:20px}.skip:focus{top:10px}.sr-only{clip:rect(0,0,0,0);width:1px;height:1px;position:absolute;overflow:hidden}.eyebrow{letter-spacing:.04em;color:var(--blue);margin-bottom:18px;font-size:15px;font-weight:700}.welcome{background:var(--pale);border-radius:28px;grid-template-columns:1fr 1fr;gap:24px 50px;max-width:1360px;margin:auto;padding:60px 60px 0;display:grid}.welcome h1 em{color:var(--blue);box-shadow:inset 0 -18px var(--yellow);font-style:normal}.welcome-copy>p:last-child{color:var(--muted);margin-top:25px}.welcome-photo{align-self:center;position:relative}.welcome-photo img{aspect-ratio:1.45;object-fit:cover;border-radius:24px}.welcome-photo>span{background:#fff;border-radius:12px;padding:12px 18px;font-size:16px;font-weight:700;position:absolute;bottom:20px;left:20px;right:20px;box-shadow:0 8px 24px #18377810}.lesson-picker{border:1px solid var(--line);border-bottom:5px solid var(--blue);background:#fff;border-radius:20px;grid-column:1/-1;grid-template-columns:1fr 1fr;gap:20px;padding:30px;display:grid;transform:translateY(38px);box-shadow:0 16px 30px #1b387210}.step-label{color:var(--muted);margin-bottom:10px;font-size:15px;font-weight:700;display:block}.choice-row{gap:8px;display:flex}.choice-row button{white-space:nowrap;color:var(--ink);background:#fff;border:1px solid #a1b0c9;border-radius:10px;flex:1;padding:12px 9px;font-size:16px}.choice-row button[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:#fff}.lesson-picker select{width:100%;color:var(--ink);background:#fff;border:1px solid #a1b0c9;border-radius:10px;padding:12px}.lesson-result{border-top:1px solid var(--line);grid-column:1/-1;justify-content:space-between;align-items:center;gap:18px;padding-top:20px;display:flex}.lesson-result span{color:var(--muted);font-size:16px}.lesson-result 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