:root{--bg:#f5fbff;--card:#ffffff;--ink:#172033;--muted:#64748b;--blue:#2267f2;--aqua:#13b8c8;--mint:#22c58b;--lavender:#7469ff;--line:#dce8f5;--shadow:0 24px 70px rgba(32,79,135,.16)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:radial-gradient(circle at 8% 0,#dff6ff,transparent 34rem),radial-gradient(circle at 100% 12%,#efe9ff,transparent 30rem),linear-gradient(180deg,#fbfdff,var(--bg));}main{max-width:1120px;margin:0 auto;padding:22px}.site-nav{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 28px;padding:12px 16px;background:rgba(255,255,255,.88);border:1px solid #e1e8f2;border-radius:24px;box-shadow:0 10px 24px rgba(22,31,54,.06);backdrop-filter:blur(12px)}.site-brand{display:inline-flex;align-items:center;gap:10px;color:#172033;text-decoration:none;font-weight:850}.brand-mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#172033;color:#fff;font-weight:900}.site-nav a:not(.site-brand){color:#4b5565;text-decoration:none;font-weight:750;font-size:.95rem}.site-nav a:hover{text-decoration:underline}.hero{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:34px;align-items:center;padding:26px 0 46px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--blue);font-weight:900;font-size:.78rem;margin:0 0 12px}h1{font-size:clamp(2.8rem,8vw,5.9rem);letter-spacing:-.045em;line-height:.9;margin:0 0 18px}h2{letter-spacing:-.035em}.lede{font-size:clamp(1.08rem,2vw,1.32rem);line-height:1.65;color:var(--muted);max-width:650px}.preset-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.preset,.secondary{border:1px solid var(--line);background:#fff;color:var(--ink);padding:11px 15px;border-radius:999px;font-weight:850;cursor:pointer}.preset.active{background:#172033;color:white;border-color:#172033}.timer-card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:34px;padding:24px;box-shadow:var(--shadow);text-align:center}.meter{position:relative;width:min(280px,72vw);margin:0 auto}.ring{width:100%;display:block;transform:rotate(-90deg)}.ring-bg,.ring-fill{fill:none;stroke-width:17}.ring-bg{stroke:#e8eef8}.ring-fill{stroke:var(--blue);stroke-linecap:round;stroke-dasharray:590.62;stroke-dashoffset:0;transition:stroke-dashoffset .35s linear,stroke .2s}.time{position:absolute;inset:0;display:grid;place-items:center;font-size:clamp(3rem,12vw,4.8rem);font-weight:950;letter-spacing:-.07em}.timer-card h2{font-size:1.55rem;margin:12px 0 6px}.timer-card p{color:var(--muted);line-height:1.55;margin:0 auto 16px;max-width:340px}.mouth-map{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.mouth-map div{padding:13px 8px;border:1px solid var(--line);border-radius:16px;background:#f8fbff;color:#607086;font-weight:850;font-size:.88rem}.mouth-map div.active{background:linear-gradient(135deg,var(--blue),var(--aqua));color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(34,103,242,.22);transform:translateY(-1px)}.custom-label{display:block;text-align:left;margin:12px 4px 6px;color:#516071;font-weight:850;font-size:.9rem}.custom-row{display:grid;grid-template-columns:1fr auto;gap:8px;margin-bottom:14px}.custom-row input{width:100%;border:1px solid var(--line);border-radius:999px;padding:12px 14px;font:inherit;font-weight:800;color:var(--ink);background:#fff}.actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.primary{border:0;background:linear-gradient(135deg,var(--blue),var(--lavender));color:white;padding:13px 18px;border-radius:999px;font-weight:950;cursor:pointer;box-shadow:0 14px 30px rgba(34,103,242,.24)}button:focus-visible,input:focus-visible{outline:4px solid rgba(34,103,242,.22);outline-offset:3px}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:12px 0 36px}.info-card,.faq{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:0 16px 40px rgba(32,79,135,.08)}.info-card h2,.faq h2{margin-top:0}.info-card p,.info-card li,.faq p{color:var(--muted);line-height:1.7}.info-card a{color:var(--blue);font-weight:850}.info-card ul{padding-left:20px}.faq{margin-bottom:30px}.faq details{border-top:1px solid var(--line);padding:15px 0}.faq details:first-of-type{border-top:0}.faq summary{cursor:pointer;font-weight:900}footer{text-align:center;color:#748197;padding:22px}@media(max-width:880px){.hero{grid-template-columns:1fr}.timer-card{max-width:520px;margin:0 auto}.content-grid{grid-template-columns:1fr}}@media(max-width:560px){main{padding:14px}.site-nav{padding:10px 12px;border-radius:20px}.brand-mark{width:30px;height:30px}.site-brand span:last-child{max-width:170px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero{padding-top:12px}.preset-row,.actions{align-items:stretch}.preset,.primary,.secondary{flex:1 1 auto}.custom-row{grid-template-columns:1fr}.mouth-map{grid-template-columns:1fr 1fr}.timer-card{padding:18px;border-radius:28px}}