:root{--paper:#f3f4f1;--ink:#10131a;--mute:#596070;--rule:#d3d6db;--cobalt:#2340e8;--cobalt-deep:#1a2fb0;--cobalt-tint:#e3e7fc;--lost:#b70404;--white:#ffffff;--gutter:clamp(16px,4vw,48px);--max:1200px;--radius-field:10px}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-text),system-ui,sans-serif;font-size:17px;line-height:1.55;overflow-x:hidden}img{max-width:100%;display:block}a{color:inherit}:focus-visible{outline:3px solid var(--cobalt);outline-offset:3px;border-radius:4px}.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}.display,h1,h2{font-family:var(--font-display),var(--font-text),sans-serif;font-weight:600;letter-spacing:-.025em}h1,h2{margin:0}h1{font-size:clamp(2.3rem,5.4vw,4.6rem);line-height:1.04;max-width:16ch}h2{font-size:clamp(1.6rem,3.1vw,2.5rem);line-height:1.1;max-width:22ch}h3{font-size:1.08rem;font-weight:600;line-height:1.3}h3,p{margin:0}.lead{font-size:clamp(1.08rem,1.5vw,1.28rem);color:var(--mute);max-width:46ch;margin-top:18px}section{padding:clamp(64px,9vw,120px) 0}.section-head{margin-bottom:clamp(32px,5vw,56px)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:999px;font:600 1rem/1 var(--font-text),sans-serif;text-decoration:none;border:2px solid var(--cobalt);background:var(--cobalt);color:var(--white);cursor:pointer;transition:background .15s,border-color .15s,color .15s;white-space:nowrap}.btn:hover{background:var(--cobalt-deep);border-color:var(--cobalt-deep)}.btn.ghost{background:transparent;color:var(--cobalt)}.btn.ghost:hover{background:var(--cobalt-tint)}.btn[disabled]{opacity:.6;cursor:progress}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.site-head{padding:18px 0}.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}.wordmark{font-family:var(--font-display),sans-serif;font-weight:700;font-size:1.55rem;letter-spacing:-.03em;text-decoration:none;line-height:1}.wordmark small{display:block;font-family:var(--font-text),sans-serif;font-weight:500;font-size:.72rem;letter-spacing:0;color:var(--mute);margin-top:5px}.site-nav{display:flex;align-items:center;gap:26px;font-size:.95rem}.site-nav a{text-decoration:none;color:var(--mute)}.site-nav a:hover{color:var(--ink)}.site-nav .btn{min-height:42px;padding:0 18px;font-size:.95rem}.site-nav .btn,.site-nav .btn:hover{color:var(--cobalt)}@media (max-width:860px){.site-nav a:not(.btn){display:none}}.site-nav{margin-left:auto}.lang{display:flex;gap:2px;font-size:.82rem;font-weight:600}.lang a{min-width:34px;min-height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;text-decoration:none;color:var(--mute)}.lang a:hover{color:var(--ink)}.lang a[aria-current]{color:var(--ink);background:color-mix(in srgb,var(--ink) 8%,transparent)}@media (max-width:520px){.site-head .wrap{gap:10px}.site-nav .btn{padding:0 12px;font-size:.88rem}.lang a{min-width:30px}}.check-form{margin-top:36px;display:flex;gap:10px;max-width:640px}.check-form input{flex:1 1;min-width:0;min-height:60px;padding:0 20px;font:500 1.12rem var(--font-text),sans-serif;color:var(--ink);background:var(--white);border:2px solid var(--ink);border-radius:999px}.check-form input::placeholder{color:#9aa0ab}.check-form .btn{min-height:60px}.check-section .note{margin-top:14px;font-size:.9rem;color:var(--mute)}@media (max-width:560px){.check-form{flex-direction:column}}.hero-b{padding-top:clamp(48px,8vw,100px)}.path-h{margin-top:clamp(48px,7vw,88px);position:relative;display:grid;grid-template-columns:repeat(var(--stops,7),1fr);grid-gap:12px;gap:12px;padding-top:34px}.path-line{position:absolute;top:10px;left:7px;height:3px;width:calc((100% - (var(--stops, 7) - 1) * 12px) / var(--stops, 7) * (var(--stops, 7) - 1) + (var(--stops, 7) - 1) * 12px);background:var(--cobalt);transform-origin:left center}@media (prefers-reduced-motion:no-preference){.path-line{transform:scaleX(0);animation:draw 1.8s cubic-bezier(.6,0,.2,1) .2s forwards}.path-h li{opacity:0;animation:pop .4s ease-out forwards}}@keyframes draw{to{transform:scaleX(1)}}@keyframes pop{to{opacity:1}}.path-h li{position:relative}.stop-dot{position:absolute;top:-29px;left:0;width:14px;height:14px;border-radius:50%;background:var(--paper);border:3px solid var(--cobalt)}.stop-dot.end{background:var(--cobalt)}@media (prefers-reduced-motion:no-preference){.stop-dot{opacity:0;animation:pop .3s ease-out forwards}}@media (max-width:860px){.stop-dot{display:none}}.path-h ol{display:contents;list-style:none}.path-h li{padding-right:8px}.path-h li b{display:block;font-family:var(--font-display),sans-serif;font-weight:600;font-size:1rem;letter-spacing:-.015em;line-height:1.2}.path-h li span{display:block;font-size:.92rem;color:var(--mute);margin-top:4px}@media (max-width:860px){.path-h{grid-template-columns:1fr;padding-top:0;padding-left:34px;gap:22px}.path-line{display:none}.path-h:before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:3px;background:var(--cobalt)}.path-h li{position:relative}.path-h li:before{content:"";position:absolute;left:-31px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:3px solid var(--cobalt)}.path-h li:last-child:before{background:var(--cobalt)}}.check-results{margin-top:40px;max-width:880px}.check-status{font-size:1rem;color:var(--mute);display:flex;align-items:center;gap:10px}.spinner{width:16px;height:16px;border:2px solid var(--rule);border-top-color:var(--cobalt);border-radius:50%;animation:spin .8s linear infinite;flex:none}@keyframes spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.spinner{animation-duration:3s}}.check-summary{font-family:var(--font-display),sans-serif;font-weight:600;font-size:clamp(1.3rem,2.4vw,1.8rem);letter-spacing:-.02em;margin:0 0 8px}.check-url{color:var(--mute);font-size:.95rem;word-break:break-all}.check-group{margin-top:32px}.check-group h3{padding-bottom:10px;border-bottom:2px solid var(--ink)}.finding{display:grid;grid-template-columns:22px 1fr auto;grid-gap:4px 12px;gap:4px 12px;padding:14px 0;border-bottom:1px solid var(--rule);align-items:baseline}.finding .dot{width:12px;height:12px;border-radius:50%;transform:translateY(1px)}.finding.ok .dot{background:var(--cobalt)}.finding.warn .dot{background:var(--paper);border:3px solid var(--lost)}.finding.miss .dot{background:var(--lost)}.finding.info .dot{background:var(--paper);border:3px solid var(--rule)}.finding b{font-weight:600;overflow-wrap:anywhere}.finding .tag{font-size:.82rem;color:var(--mute);white-space:nowrap}.finding p{grid-column:2/4;color:var(--mute);font-size:.95rem}.finding.pending b{color:var(--mute);font-weight:500}.check-cta{margin-top:36px;padding:28px;border-radius:18px;background:var(--ink);color:var(--white);display:flex;flex-wrap:wrap;gap:18px 32px;align-items:center;justify-content:space-between}.check-cta p{color:rgba(255,255,255,.75);margin-top:4px}.check-error{color:var(--lost);margin-top:14px;font-weight:500}.check-section{border-top:1px solid var(--rule)}.leaks-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:0 clamp(24px,5vw,72px);gap:0 clamp(24px,5vw,72px)}.leak{padding:26px 0 30px;border-top:1px solid var(--rule);display:grid;grid-template-columns:28px 1fr;grid-gap:6px 14px;gap:6px 14px}.leak:before{content:"";width:14px;height:14px;border-radius:50%;border:3px solid var(--lost);margin-top:5px;grid-row:span 2}.leak p{font-size:1.14rem;line-height:1.45;max-width:34ch}@media (max-width:760px){.leaks-grid{grid-template-columns:1fr}}.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);grid-gap:clamp(32px,6vw,96px);gap:clamp(32px,6vw,96px);align-items:start}.split .section-head{position:-webkit-sticky;position:sticky;top:32px}@media (max-width:900px){.split{grid-template-columns:1fr}.split .section-head{position:static}}.rail{list-style:none;margin:0;padding:0 0 0 38px;position:relative}.rail:before{content:"";position:absolute;left:9px;top:12px;bottom:40px;width:3px;background:var(--cobalt)}.rail li{position:relative;padding:0 0 36px}.rail li:before{content:"";position:absolute;left:-35px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--paper);border:3px solid var(--cobalt)}.rail li:last-child:before{background:var(--cobalt)}.rail h3{font-family:var(--font-display),sans-serif;font-weight:600;font-size:1.3rem;letter-spacing:-.02em}.rail p{margin-top:6px;max-width:52ch}.rail .price-state{display:inline-block;margin-top:10px;font-size:.86rem;color:var(--mute)}.rail .price-state a{color:var(--cobalt)}.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);grid-gap:clamp(20px,3vw,40px);gap:clamp(20px,3vw,40px);counter-reset:step}.steps li{counter-increment:step;border-top:2px solid var(--ink);padding-top:18px}.steps li:before{content:counter(step);display:block;font-family:var(--font-display),sans-serif;font-weight:600;font-size:2.4rem;line-height:1;color:var(--cobalt);margin-bottom:18px}.steps p{color:var(--mute);margin-top:6px}@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}}@media (max-width:520px){.steps{grid-template-columns:1fr}}.proof{background:var(--ink);color:var(--white)}.proof .lead{color:rgba(255,255,255,.7)}.proof-shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:clamp(16px,2.4vw,28px);gap:clamp(16px,2.4vw,28px);margin:0 0 clamp(36px,5vw,56px)}.proof-shots figure{margin:0}.proof-shots img{display:block;width:100%;height:auto;border-radius:10px;border:1px solid rgba(255,255,255,.14)}.proof-shots figcaption{margin-top:12px;font-size:.95rem;color:rgba(255,255,255,.72)}@media (max-width:720px){.proof-shots{grid-template-columns:1fr}}.proof-demo{margin:calc(-1 * clamp(20px, 3vw, 36px)) 0 clamp(36px,5vw,56px);font-size:.9rem;color:rgba(255,255,255,.72)}.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:0 clamp(24px,4vw,56px);gap:0 clamp(24px,4vw,56px)}.proof-grid>div{border-top:1px solid rgba(255,255,255,.2);padding:22px 0 34px}.proof-grid p{color:rgba(255,255,255,.7);margin-top:6px}.proof-grid a{display:inline-block;margin-top:10px;font-size:.92rem;color:#a9b6ff}@media (max-width:900px){.proof-grid{grid-template-columns:1fr 1fr}}@media (max-width:560px){.proof-grid{grid-template-columns:1fr}}.tiers{border-top:2px solid var(--ink)}.tier{display:grid;grid-template-columns:140px 220px 1fr;grid-gap:8px 24px;gap:8px 24px;padding:20px 0;border-bottom:1px solid var(--rule);align-items:baseline}.tier .name{font-family:var(--font-display),sans-serif;font-weight:600;font-size:1.15rem}.tier .price{font-size:1.25rem;font-weight:600}.tier .price small{font-size:.85rem;font-weight:400;color:var(--mute)}.tier p{color:var(--mute)}@media (max-width:760px){.tier{grid-template-columns:1fr auto}.tier p{grid-column:1/-1}}.price-note{font-size:.9rem;color:var(--mute);margin-top:16px;max-width:70ch}.price-note a{color:var(--cobalt)}.systems{margin-top:56px;padding:28px;border:2px solid var(--cobalt);border-radius:18px}.systems p{margin-top:8px;color:var(--mute)}.prices h3.sub{font-size:1.15rem;margin-bottom:18px}.faq details{border-top:1px solid var(--rule);padding:20px 0}.faq details:last-child{border-bottom:1px solid var(--rule)}.faq summary{cursor:pointer;font-weight:600;font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;gap:16px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-family:var(--font-display),sans-serif;color:var(--cobalt);font-size:1.4rem;line-height:1}.faq details[open] summary:after{content:"–"}.faq details p{margin-top:10px;color:var(--mute);max-width:64ch}.contact{border-top:1px solid var(--rule)}.form{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.field{display:flex;flex-direction:column;gap:6px;font-size:.92rem;font-weight:500}.field.full{grid-column:1/-1}.field input,.field textarea{font:400 1rem var(--font-text),sans-serif;color:var(--ink);background:var(--white);border:1.5px solid #b9bec7;border-radius:var(--radius-field);padding:13px 14px;min-height:50px;width:100%}.field textarea{min-height:110px;resize:vertical}.field input:focus,.field textarea:focus{border-color:var(--cobalt);outline:none;box-shadow:0 0 0 3px var(--cobalt-tint)}fieldset.wants{grid-column:1/-1;border:0;margin:0;padding:0}fieldset.wants legend{font-size:.92rem;font-weight:500;margin-bottom:10px;padding:0}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{position:relative}.chip input{position:absolute;opacity:0;inset:0;cursor:pointer}.chip span{display:inline-block;padding:10px 16px;border-radius:999px;border:1.5px solid #b9bec7;background:var(--white);font-size:.95rem;-webkit-user-select:none;-moz-user-select:none;user-select:none}.chip input:checked+span{background:var(--cobalt);border-color:var(--cobalt);color:var(--white)}.chip input:focus-visible+span{outline:3px solid var(--cobalt);outline-offset:2px}.form .send-row{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:6px}.form .privacy{font-size:.85rem;color:var(--mute)}.form-msg{grid-column:1/-1;font-weight:500}.form-msg.err{color:var(--lost)}.form-msg.ok{color:var(--cobalt-deep)}.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}@media (max-width:640px){.form{grid-template-columns:1fr}}.site-foot{border-top:1px solid var(--rule);padding:36px 0 48px;font-size:.88rem;color:var(--mute)}.site-foot .wrap{display:flex;flex-wrap:wrap;gap:8px 32px;justify-content:space-between}.site-foot b{color:var(--ink);font-weight:600}.preview-flag{color:var(--lost)}