:root{--bg:#effcff;--card:#fff;--ink:#123047;--muted:#5d7280;--teal:#0f766e;--aqua:#18b8c8;--blue:#2764f5;--foam:#dffaff;--yellow:#ffd166;--line:#cfe9ef;--shadow:0 24px 60px rgba(16,95,112,.18)}*{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 15% 8%,#bdf3ff,transparent 30rem),radial-gradient(circle at 88% 15%,#d7ffe9,transparent 26rem),linear-gradient(180deg,#f8feff,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 24px;padding:12px 16px;background:rgba(255,255,255,.86);border:1px solid #e1e5ee;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:800}.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:700;font-size:.95rem}.site-nav a:hover{text-decoration:underline}.crumb{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:34px;font-size:.92rem;color:var(--muted)}.crumb a{color:var(--teal);text-decoration:none;font-weight:850}.hero{padding:10px 0 42px}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:34px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--teal);font-weight:950;font-size:.78rem;margin:0 0 12px}h1{font-size:clamp(2.55rem,7vw,5.6rem);letter-spacing:-.075em;line-height:.92;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:640px}.controls-row,.preset-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.pill,.preset{border:1px solid var(--line);background:#fff;color:var(--ink);padding:11px 15px;border-radius:999px;font-weight:850;cursor:pointer}.pill.active,.preset.active,.pill[aria-pressed="true"]{background:#123047;color:#fff;border-color:#123047}.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}.preset-row{justify-content:center;margin:0 0 16px}.bubble-wrap{position:relative;width:min(286px,72vw);margin:0 auto}.ring{width:100%;display:block;transform:rotate(-90deg);filter:drop-shadow(0 12px 22px rgba(24,184,200,.16))}.ring-bg,.ring-fill{fill:none;stroke-width:17}.ring-bg{stroke:#e6f7fb}.ring-fill{stroke:var(--aqua);stroke-linecap:round;stroke-dasharray:590.62;stroke-dashoffset:590.62;transition:stroke-dashoffset .35s linear,stroke .2s}.time{position:absolute;inset:0;display:grid;place-items:center;font-size:clamp(3.2rem,12vw,4.6rem);font-weight:950;letter-spacing:-.07em}.bubble{position:absolute;border-radius:999px;background:rgba(126,231,242,.72);border:2px solid rgba(24,184,200,.45);animation:float 3.2s ease-in-out infinite}.b1{width:28px;height:28px;left:10px;top:70px}.b2{width:18px;height:18px;right:34px;top:38px;animation-delay:.5s}.b3{width:38px;height:38px;right:6px;bottom:58px;animation-delay:1s}.b4{width:22px;height:22px;left:38px;bottom:32px;animation-delay:1.4s}.b5{width:16px;height:16px;left:132px;top:6px;animation-delay:.8s}@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-12px) scale(1.04)}}.timer-card h2{font-size:1.65rem;margin:14px 0 4px}.timer-card p{color:var(--muted);line-height:1.5;margin:0 auto 16px;max-width:34rem}.step-list{list-style:none;padding:0;margin:18px 0;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.step-list li{padding:12px 10px;border:1px solid var(--line);border-radius:16px;background:#f8fdff;color:var(--muted);font-weight:850}.step-list li.active{background:linear-gradient(135deg,#0f766e,#18b8c8);border-color:transparent;color:#fff;box-shadow:0 10px 24px rgba(15,118,110,.22)}.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.primary,.secondary{border:0;border-radius:18px;padding:15px 20px;font-size:1rem;font-weight:950;cursor:pointer}.primary{background:var(--teal);color:#fff;box-shadow:0 14px 28px rgba(15,118,110,.28)}.secondary{background:#e9f8fb;color:var(--ink)}.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:20px 0}.info-card,.related-card,.faq{background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:0 14px 40px rgba(16,95,112,.08)}.info-card p,.info-card li,.related-card p,.faq p{color:var(--muted);line-height:1.65}.info-card ul{padding-left:20px}.related-card{margin:18px 0}.related-card a{color:var(--teal);font-weight:850}.faq{margin:24px 0 40px}.faq details{border-top:1px solid var(--line);padding:16px 0}.faq details:first-of-type{border-top:0}.faq summary{cursor:pointer;font-weight:900}footer{text-align:center;color:var(--muted);padding:30px 18px 42px}.kid-theme .ring-fill{stroke:var(--yellow)}.kid-theme .primary{background:#ff8a3d;box-shadow:0 14px 28px rgba(255,138,61,.25)}.kid-theme .step-list li.active{background:linear-gradient(135deg,#ff8a3d,#ffd166);color:#4b2a00}@media (max-width:860px){.hero-grid,.content-grid{grid-template-columns:1fr}.timer-card{max-width:520px;margin:0 auto}.crumb{margin-bottom:22px}}@media (max-width:560px){main{padding:16px}.site-nav{padding:10px 12px;border-radius:20px}.brand-mark{width:30px;height:30px}.site-brand span:last-child{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.site-nav a:not(.site-brand){font-size:.9rem}.timer-card,.info-card,.related-card,.faq{border-radius:22px;padding:18px}.step-list{grid-template-columns:1fr}.controls-row{margin-top:18px}.pill,.preset{padding:10px 12px}.actions button{width:100%}}