:root{--indigo:#303477;--coral:#f16b50;--mango:#f3c55d;--aqua:#bee7e5;--ivory:#fff8ee;--white:#fff;--ink:#24283b;--muted:#5b6075;--line:#e7e1d6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--ivory);color:var(--ink);margin:0;font-family:Public Sans,system-ui,sans-serif;font-size:17px;line-height:1.6}img{max-width:100%;height:auto}h1,h2{color:var(--indigo);margin:0 0 .5em;font-family:Nunito,system-ui,sans-serif;line-height:1.15}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.muted{color:var(--muted)}.top{background:var(--white);border-bottom:1px solid var(--line);z-index:5;position:sticky;top:0}.top-row{justify-content:space-between;align-items:center;gap:16px;height:72px;display:flex}.brand img{width:auto;height:44px;display:block}.btn{background:var(--coral);color:var(--white);border:2px solid var(--coral);border-radius:12px;padding:14px 24px;font-family:Nunito,system-ui,sans-serif;font-size:17px;font-weight:700;text-decoration:none;display:inline-block}.btn:hover{filter:brightness(.95)}.btn:focus-visible{outline:3px solid var(--indigo);outline-offset:3px}.btn-small{padding:9px 16px;font-size:15px}.btn-ghost{color:var(--indigo);border-color:var(--indigo);background:0 0}.hero{padding:64px 0 56px}.hero-grid{grid-template-columns:1.1fr .9fr;align-items:center;gap:48px;display:grid}.eyebrow{color:var(--coral);text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px;font-size:14px;font-weight:600}h1{font-size:clamp(34px,5vw,52px)}.lead{color:var(--muted);max-width:34em;font-size:19px}.actions{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}.hero-card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 18px 40px #3034771f}.q-label{color:var(--indigo);font-family:Nunito,sans-serif;font-weight:700}.q-stem{margin:6px 0 14px}.q-opt{border:1px solid var(--line);border-radius:10px;margin-bottom:8px;padding:10px 12px;font-size:15px}.q-on{border-color:var(--indigo);background:#eef0fb}.hl-row{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.hl{border-radius:999px;padding:4px 10px;font-size:13px;font-weight:600}.hl-y{background:#fbe7a8}.hl-g{background:#cdeed6}.hl-b{background:var(--aqua)}.features{grid-template-columns:repeat(4,1fr);gap:20px;padding-bottom:56px;display:grid}.feature{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px}.feature h2{font-size:20px}.feature p{color:var(--muted);margin:0;font-size:16px}.teachers{background:var(--indigo);color:var(--white);border-radius:20px;width:calc(100% - 40px);max-width:1080px;margin:0 auto 56px;padding:36px}.teachers h2{color:var(--mango)}.teachers p{max-width:46em;margin:0 0 10px}.teachers .muted{color:#d6d8ef}.foot{border-top:1px solid var(--line);background:var(--white);padding:24px 0;font-size:14px}.foot-row{flex-wrap:wrap;justify-content:space-between;gap:8px 24px;display:flex}@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:32px}.features{grid-template-columns:1fr 1fr}}@media (max-width:560px){.wrap{padding:0 16px}.brand img{height:34px}.hero{padding:40px 0}.features{grid-template-columns:1fr}.teachers{border-radius:16px;width:calc(100% - 32px);padding:24px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}