.tutorial-page{background:var(--cream)}.tutorial-hero{display:grid;gap:34px;padding:46px 0 70px}.tutorial-hero h1{font:700 clamp(42px,11vw,70px)/1.05 'Fredoka';margin:12px 0 20px}.tutorial-hero h1 em{color:var(--purple);font-style:normal}.tutorial-hero p:not(.eyebrow){color:var(--muted);font-size:17px;max-width:600px}.formula-hero{display:flex;flex-direction:column;padding:30px 24px;background:var(--purple);color:#fff;border-radius:24px;box-shadow:var(--shadow);transform:rotate(1deg)}.formula-hero span{color:#d3ceff;text-transform:uppercase;letter-spacing:.13em;font-size:12px;font-weight:700}.formula-hero strong{font:700 clamp(28px,8vw,44px) 'Fredoka';margin:7px 0}.formula-hero small{color:#fff1ad}.tutorial-section{padding:66px 0;scroll-margin-top:60px}.tutorial-heading{max-width:760px;margin-bottom:30px}.tutorial-heading h2,.graph-grid h2,.share-card h2{font:700 clamp(34px,8vw,50px)/1.12 'Fredoka';margin:7px 0}.lesson-list{display:grid;gap:14px}.lesson-list article{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:20px}.lesson-list h3{font:700 25px 'Fredoka';margin:0}.lesson-list p{color:var(--muted)}.step{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;font-weight:700}.lesson-example{display:flex;flex-direction:column;padding:15px;background:#f1efff;border-radius:13px}.lesson-example small{color:var(--purple);font-weight:700;letter-spacing:.12em}.lesson-example strong{font:700 22px 'Fredoka'}.lesson-example span{color:var(--muted);font-size:13px}.root-chips{display:flex;flex-wrap:wrap;gap:8px}.root-chips span{padding:7px 10px;background:var(--cream);border:1px solid var(--line);border-radius:10px;font-size:12px}.calculator-section{background:var(--purple);color:#fff}.tutorial-heading.light .eyebrow{color:#d3ceff}.tutorial-heading.light>p:last-child{color:#dedaff}.calculator-grid{display:grid;gap:18px}.tool-card{padding:22px;background:#fff;color:var(--ink);border-radius:22px;box-shadow:0 20px 45px rgba(29,21,92,.25)}.coefficient-inputs{display:flex;align-items:end;justify-content:center;gap:7px;flex-wrap:wrap}.coefficient-inputs label{position:relative}.coefficient-inputs label span{position:absolute;left:9px;top:-10px;padding:0 4px;background:#fff;color:var(--purple);font-size:11px;font-weight:700}.coefficient-inputs input{width:76px;padding:13px 29px 13px 10px;border:2px solid var(--line);border-radius:12px;color:var(--ink);font:700 18px 'DM Sans'}.coefficient-inputs input:focus{outline:3px solid #d8d3ff;border-color:var(--purple)}.coefficient-inputs small{position:absolute;right:8px;top:15px;color:var(--muted)}.presets{display:flex;flex-wrap:wrap;gap:6px;margin:22px 0}.presets>span{width:100%;color:var(--muted);font-size:12px}.presets button{padding:7px 9px;border:1px solid var(--line);border-radius:9px;background:var(--cream);color:var(--ink);font:600 11px 'DM Sans';cursor:pointer}.button.full{width:100%}.result-top{display:flex;justify-content:space-between;font-size:13px;font-weight:700}.result-top b{padding:4px 9px;border-radius:20px;background:#dff8ef;color:#278267}.result-card h3{font:700 26px 'Fredoka';margin:18px 0}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.result-grid div{display:flex;flex-direction:column;padding:12px;background:var(--cream);border-radius:11px}.result-grid span{color:var(--muted);font-size:11px}.result-grid strong{font:700 17px 'Fredoka'}.result-steps{padding-top:14px;margin-top:15px;border-top:1px solid var(--line)}.result-steps p{margin:4px 0;color:var(--muted);font-size:12px}.graph-section{background:#f1effa}.graph-grid{display:grid;gap:28px}.graph-grid>div>p:not(.eyebrow){color:var(--muted)}.graph-grid ul{padding:0;list-style:none;font-size:13px}.graph-grid li{margin:7px 0}.graph-grid i{display:inline-block;width:9px;height:9px;margin-right:8px;border-radius:50%}.curve-dot{background:var(--purple)}.vertex-dot{background:var(--coral)}.root-dot{background:var(--green)}.canvas-card{padding:12px;background:#fff;border-radius:20px;box-shadow:var(--shadow);text-align:center;color:var(--muted)}canvas{display:block;width:100%;height:auto}.share-section{padding:65px 0}.share-card{display:grid;gap:18px;padding:28px 22px;background:#242044;color:#fff;border-radius:24px}.share-card>div>p{color:#c8c4da}.share-card .eyebrow{color:#d3ceff}.share-card .share-button{background:#fff;color:var(--purple)}#shareFeedback{margin:0;color:#9ce5cc;font-weight:700}
@media(min-width:760px){.tutorial-hero{grid-template-columns:1.15fr .85fr;align-items:center;gap:70px;padding:70px 0 90px}.tutorial-section{padding:90px 0}.lesson-list article{grid-template-columns:52px 1fr;padding:28px}.calculator-grid{grid-template-columns:1fr 1fr;gap:22px}.tool-card{padding:28px}.coefficient-inputs input{width:95px}.graph-grid{grid-template-columns:.7fr 1.3fr;align-items:center;gap:50px}.canvas-card{padding:18px}.share-card{grid-template-columns:1fr auto;align-items:center;padding:40px}.share-card>p{grid-column:1/-1}}