:root{--bg:#effcff;--card:#ffffff;--ink:#123047;--muted:#5d7280;--teal:#0f766e;--aqua:#16b8c7;--mint:#bbf7d0;--line:#cfe9ef;--amber:#f59e0b;--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 14% 5%,#bae6fd,transparent 28rem),radial-gradient(circle at 88% 10%,#bbf7d0,transparent 26rem),linear-gradient(180deg,#f8feff,var(--bg))}main{max-width:1120px;margin:0 auto;padding:22px}.site-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 24px;padding:12px 16px;background:rgba(255,255,255,.88);border:1px solid #e1e8ee;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}.site-nav a:not(.site-brand),.crumb a{color:var(--teal);text-decoration:none;font-weight:800}.site-nav a:hover,.crumb a:hover{text-decoration:underline}.crumb{display:flex;justify-content:space-between;gap:12px;margin-bottom:28px;color:var(--muted);font-size:.94rem}.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,5.55rem);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:650px}.preset-row,.controls-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.preset,.pill,.primary,.secondary{border:0;border-radius:999px;font-weight:900;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.preset,.pill{padding:12px 15px;background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 8px 20px rgba(15,118,110,.08)}.preset.active,.pill.active{background:var(--teal);color:#fff;border-color:var(--teal)}.preset:hover,.pill:hover,.primary:hover,.secondary:hover{transform:translateY(-1px)}.custom-label{display:inline-flex;align-items:center;gap:10px;padding:9px 10px 9px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-weight:850}.custom-label input{width:76px;border:0;background:#eefcff;border-radius:999px;padding:9px 10px;color:var(--ink);font-weight:950;font-size:1rem}.timer-card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:36px;padding:28px;box-shadow:var(--shadow);text-align:center}.progress-wrap{position:relative;width:min(280px,74vw);margin:0 auto 10px}.ring{width:100%;transform:rotate(-90deg)}.ring-bg,.ring-fill{fill:none;stroke-width:14}.ring-bg{stroke:#dff4f8}.ring-fill{stroke:var(--aqua);stroke-linecap:round;transition:stroke-dashoffset .35s linear}.time{position:absolute;inset:0;display:grid;place-items:center;font-size:clamp(3rem,12vw,4.8rem);letter-spacing:-.07em;font-weight:950;color:#0f5d66}.timer-card h2{font-size:1.7rem;margin:8px 0}.timer-card p{color:var(--muted);line-height:1.55;margin:0 auto 18px}.steps{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:20px 0}.steps div{padding:13px 10px;border-radius:18px;border:1px solid var(--line);background:#f8feff;text-align:left}.steps div strong{display:block}.steps div span{display:block;color:var(--muted);font-size:.88rem;margin-top:3px}.steps div.active{background:#ecfdf5;border-color:#34d399;box-shadow:0 10px 22px rgba(52,211,153,.22)}.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.primary,.secondary{padding:14px 22px;font-size:1rem}.primary{background:#0f766e;color:#fff;box-shadow:0 12px 24px rgba(15,118,110,.24)}.secondary{background:#eefcff;color:#0f5d66;border:1px solid var(--line)}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:18px 0}.info-card,.faq,.related{background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 14px 34px rgba(22,31,54,.06)}.info-card p,.info-card li,.faq p{color:var(--muted);line-height:1.7}.info-card ol{padding-left:22px}.highlight{background:linear-gradient(135deg,#ffffff,#ecfeff)}.note{padding:12px 14px;border-left:4px solid var(--amber);background:#fffbeb;border-radius:14px}.faq,.related{margin-top:18px}.faq details{border-top:1px solid var(--line);padding:14px 0}.faq details:first-of-type{border-top:0}.faq summary{cursor:pointer;font-weight:900}.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.related-grid a{padding:14px;border-radius:18px;background:#f8feff;border:1px solid var(--line);color:var(--teal);font-weight:900;text-decoration:none}.related-grid a:hover{text-decoration:underline}footer{text-align:center;color:var(--muted);padding:36px 0 18px}@media(max-width:880px){main{padding:16px}.hero-grid,.content-grid{grid-template-columns:1fr}.timer-card{order:-1}.related-grid{grid-template-columns:1fr 1fr}.crumb{flex-direction:column}h1{font-size:clamp(2.4rem,14vw,4rem)}}@media(max-width:560px){.site-nav{border-radius:18px}.timer-card,.info-card,.faq,.related{border-radius:24px;padding:18px}.steps,.related-grid{grid-template-columns:1fr}.actions{display:grid}.primary,.secondary{width:100%}}