:root{--teal:#176B7F;--teal-dark:#0f4e5d;--off:#F5F8F7;--ink:#14201D;--muted:#5C6C68;--line:#C9D5D0;--amber:#A8690C;--tint:#E4EEEB;--head:'Bricolage Grotesque',sans-serif;--body:'IBM Plex Sans',system-ui,sans-serif;--mono:'IBM Plex Mono',monospace;--pad:clamp(20px,5vw,64px)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--off);color:var(--ink);font-family:var(--body);line-height:1.5;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}a{color:var(--teal)}a:hover{color:var(--teal-dark)}button,input,textarea,select{font:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.skip{position:absolute;left:8px;top:-48px;background:var(--ink);color:#fff;padding:10px 14px;z-index:100;text-decoration:none}.skip:focus{top:8px}
h1,h2,h3{font-family:var(--head);font-weight:700;letter-spacing:-.02em;line-height:1.05;margin:0}h1{font-size:clamp(32px,4.5vw,60px)}h2{font-size:clamp(28px,3vw,38px)}h3{font-size:20px}
.mono{font-family:var(--mono)}.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--teal);text-transform:uppercase}.muted{color:var(--muted)}
.wrap{padding-left:var(--pad);padding-right:var(--pad)}.sec{padding:clamp(40px,5vw,64px) var(--pad)}.sec-white{background:#fff;border-top:1px solid var(--line)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:14px 26px;font-weight:600;font-size:17px;text-decoration:none;border:2px solid var(--teal);background:var(--teal);color:#fff;cursor:pointer;text-align:center}.btn:hover{background:var(--teal-dark);border-color:var(--teal-dark);color:#fff}
.btn-outline{background:transparent;color:var(--teal)}.btn-outline:hover{background:var(--tint);color:var(--teal-dark)}
.btn-white{background:#fff;border-color:#fff;color:var(--teal)}.btn-white:hover{background:var(--tint);border-color:var(--tint);color:var(--teal-dark)}
.btn-ghost{background:transparent;border-color:#fff;color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}.btn-row .btn{flex:1 1 180px}
.site-header{position:sticky;top:0;z-index:50;background:var(--teal);color:#fff}.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px var(--pad)}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:600;font-size:19px;white-space:nowrap}.brand img{width:36px;height:36px;border-radius:7px}
.nav{display:none;gap:clamp(14px,2vw,26px);font-size:15px;font-weight:500;white-space:nowrap}.nav a{color:#fff;text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}.nav a[aria-current=page]{border-color:#fff}
.hdr-cta{display:none;align-items:center;gap:18px;white-space:nowrap}.hdr-cta .phone{font-family:var(--mono);font-size:15px;color:#fff;text-decoration:none}.hdr-cta .btn{min-height:44px;padding:10px 18px;font-size:15px}
.menu-btn{background:none;border:0;padding:8px;width:44px;height:44px;display:flex;flex-direction:column;justify-content:center;gap:5px;cursor:pointer}.menu-btn span{height:2px;background:#fff;display:block}
.mobile-nav{display:none;flex-direction:column;background:var(--ink);padding:8px var(--pad) 20px;font-size:18px}.mobile-nav a{color:#fff;text-decoration:none;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}.mobile-nav a:last-child{border:0}.mobile-nav.open{display:flex}
@media(min-width:1000px){.nav,.hdr-cta{display:flex}.menu-btn,.mobile-nav{display:none!important}}
.hero{background:var(--teal);color:#fff;padding:clamp(24px,3vw,44px) var(--pad) 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));gap:clamp(20px,4vw,48px);align-items:end}
.hero-copy{display:flex;flex-direction:column;gap:clamp(14px,1.8vw,22px);padding-bottom:clamp(28px,4vw,56px)}.hero .eyebrow{color:var(--tint)}
.price-row{display:flex;align-items:baseline;gap:clamp(10px,1.5vw,18px);flex-wrap:wrap}.price-row .from,.price-row .unit{font-weight:500;font-size:clamp(18px,2vw,26px)}.price-row .from{color:var(--tint)}.price{font-family:var(--mono);font-size:clamp(56px,8vw,104px);line-height:.9;font-weight:600;letter-spacing:-.04em;white-space:nowrap}
.hero h1{font-size:clamp(24px,2.6vw,34px);line-height:1.15;max-width:640px;text-wrap:pretty}.hero p{margin:0;color:var(--tint);font-size:clamp(15px,1.3vw,18px);max-width:560px}.hero .trust{font-size:13px;color:var(--tint)}
.hero-media{background:var(--off);display:flex;align-items:center;justify-content:center;padding:24px 24px 36px;min-height:320px;position:relative;align-self:stretch}.hero-media img{max-height:480px;max-width:100%;width:auto;height:auto;object-fit:contain}
.desk-only{display:none}.mob-only{display:block}.desk-only-i{display:none}@media(min-width:1000px){.desk-only{display:block}.mob-only{display:none}.desk-only-i{display:inline}}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:24px}.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:24px}
.figure{height:220px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;padding:16px}.figure img{max-height:100%;width:auto;object-fit:contain}.figure.dark img{filter:none}
.stack{display:flex;flex-direction:column;gap:10px}.stack p{margin:0;font-size:15px;color:var(--muted)}
.compare{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:16px}.card{background:#fff;border:1px solid var(--line);padding:clamp(20px,2.5vw,32px)}.card-teal{background:var(--teal);color:#fff;border-color:var(--teal)}.card .lbl{font-family:var(--mono);font-size:13px;letter-spacing:.06em;color:var(--muted);margin-bottom:18px}.card-teal .lbl{color:var(--tint)}.rows{display:flex;flex-direction:column;gap:14px;font-size:clamp(15px,1.3vw,17px)}.rows div{display:flex;justify-content:space-between;gap:16px}.rows .v{color:var(--muted)}.card-teal .rows strong{text-align:right}
@media(min-width:1000px){.compare .card-teal{order:2}}
.step{display:flex;flex-direction:column;gap:14px}.num{width:48px;height:48px;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:18px;font-weight:600}.step p{margin:0;font-size:16px}
.installer{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.avatar{width:112px;height:112px;border-radius:50%;background:var(--teal);position:relative;overflow:hidden;flex:none}.avatar::before{content:"";position:absolute;left:36px;top:22px;width:40px;height:40px;border-radius:50%;background:var(--off)}.avatar::after{content:"";position:absolute;left:16px;top:70px;width:80px;height:60px;border-radius:40px 40px 0 0;background:var(--off)}.avatar.sm{width:72px;height:72px}.avatar.sm::before{left:23px;top:14px;width:26px;height:26px}.avatar.sm::after{left:10px;top:45px;width:52px;height:40px}
.slot{border:1px dashed var(--line);background:#fff;min-height:240px;padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;justify-content:center;gap:12px}.slot-note{font-family:var(--mono);font-size:11px;color:var(--muted)}
.faq{border-top:2px solid var(--ink)}.faq details{border-bottom:1px solid var(--line)}.faq summary{list-style:none;cursor:pointer;padding:18px 0;display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:17px;font-weight:500}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";font-family:var(--mono);font-size:20px;color:var(--teal);flex:none}.faq details[open] summary::after{content:"−"}.faq details p{margin:0;padding:0 40px 20px 0;color:var(--muted)}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(20px,4vw,56px);align-items:start}.split>.wide{grid-column:span 2;min-width:0}
.cta{background:var(--ink);color:#fff;padding:clamp(48px,7vw,88px) var(--pad);display:flex;flex-direction:column;gap:28px;align-items:flex-start}.cta h2{font-size:clamp(36px,4.5vw,56px);line-height:1}.cta .btn-row{width:100%;max-width:520px}
.consent{font-size:12px;color:#B8C6C1;max-width:520px;margin:0}.form .consent{color:var(--muted)}
.site-footer{padding:28px var(--pad) 32px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted)}.site-footer a{color:var(--muted)}.site-footer .col{display:flex;flex-direction:column;gap:6px;max-width:520px}.site-footer .links{display:flex;gap:14px 20px;flex-wrap:wrap}.site-footer img{width:28px;height:28px;border-radius:6px}
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.sticky-bar a{min-height:52px;display:flex;align-items:center;justify-content:center;padding:14px;font-weight:600;font-size:17px;text-decoration:none;background:#fff;color:var(--teal)}.sticky-bar a:first-child{background:var(--teal);color:#fff}
@media(max-width:999px){body{padding-bottom:60px}}@media(min-width:1000px){.sticky-bar{display:none}}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.list li{padding:10px 0;border-top:1px solid var(--line)}.list li:last-child{border-bottom:1px solid var(--line)}
.kv{display:flex;flex-direction:column}.kv div{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid var(--line)}.kv div:last-child{border-bottom:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:15px}th{text-align:left;font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--muted);font-weight:500;padding:0 12px 10px;border-bottom:2px solid var(--ink)}th:first-child,td:first-child{padding-left:0}td{padding:13px 12px;border-bottom:1px solid var(--line)}td:first-child{font-weight:500}.hl{background:var(--tint)}.scroll{overflow-x:auto}
.packages{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px}.pkg{background:#fff;border:1px solid var(--line);padding:clamp(22px,2.5vw,32px);display:flex;flex-direction:column;gap:14px;position:relative;container-type:inline-size}.pkg.featured{border:2px solid var(--teal)}.pkg .flag{position:absolute;top:-1px;left:-2px;background:var(--teal);color:#fff;font-family:var(--mono);font-size:12px;letter-spacing:.06em;padding:6px 12px}
.pkg .title{font-family:var(--head);font-weight:700;font-size:26px}.pkg .price-row .price{font-size:40px;letter-spacing:-.03em}.pkg .price-row .unit,.pkg .price-row .from{color:var(--muted);font-size:15px;font-weight:400}.pkg p{margin:0;font-size:15px}.pkg .best{margin-top:auto;font-size:14px;color:var(--muted)}
.lineup{height:180px;display:flex;align-items:flex-end;justify-content:center;gap:clamp(4px,2cqw,10px);padding-bottom:6px;border-bottom:1px solid var(--line);position:relative}.lineup .note{position:absolute;top:0;right:0;font-family:var(--mono);font-size:10px;color:var(--muted)}
.tank{width:clamp(28px,13cqw,44px);height:clamp(100px,45cqw,150px);border-radius:10px 10px 6px 6px;background:var(--teal);position:relative;flex:none}.tank::before{content:"";position:absolute;top:-14px;left:18%;width:64%;height:18px;border-radius:4px;background:var(--ink)}.tank span{position:absolute;bottom:6px;left:0;right:0;text-align:center;font-family:var(--mono);font-size:8px;color:#fff;line-height:1.1}.tank.dark{background:var(--ink)}.lineup .tankimg{height:clamp(96px,44cqw,150px);width:auto;flex:none}
.lineup .brine{height:clamp(52px,25cqw,84px);width:auto;flex:none}.lineup .ro{height:clamp(40px,19cqw,66px);width:auto;flex:none}.uv{width:clamp(10px,4cqw,14px);height:clamp(80px,36cqw,120px);border-radius:7px;background:var(--line);border:1px solid var(--muted);flex:none}.sed{width:clamp(20px,9cqw,30px);height:clamp(48px,21cqw,70px);border-radius:6px;background:var(--muted);flex:none}
.stat{padding:24px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;gap:6px}.stat.teal{background:var(--teal);color:#fff;border-color:var(--teal)}.stat .n{font-family:var(--mono);font-size:clamp(30px,3vw,40px);font-weight:600;letter-spacing:-.03em;line-height:1}.stat .l{font-size:14px;color:var(--muted)}.stat.teal .l{color:var(--tint)}
.form{background:#fff;border:2px solid var(--ink);padding:clamp(22px,2.5vw,32px);display:flex;flex-direction:column;gap:14px;min-width:0}.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500}.form input,.form textarea{border:1px solid var(--line);padding:12px;font-size:16px;min-height:44px;width:100%}.form .two{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}.seg label{position:relative;flex-direction:row;justify-content:center;background:#fff;min-height:44px;align-items:center;font-size:15px;cursor:pointer}.seg input{position:absolute;opacity:0;width:1px;height:1px}.seg label:has(input:checked){background:var(--teal);color:#fff}.seg label:has(input:focus-visible){outline:3px solid var(--amber)}
.photos{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.photos label{aspect-ratio:1;border:1px dashed var(--muted);display:flex;align-items:flex-end;padding:6px;font-family:var(--mono);font-size:10px;line-height:1.2;color:var(--muted);cursor:pointer;min-width:0;overflow-wrap:anywhere;position:relative}.photos input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.photos label:has(input:focus-visible){outline:3px solid var(--amber)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.legal{max-width:760px;display:flex;flex-direction:column;gap:28px;font-size:16px;line-height:1.65}.legal section{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-direction:column;gap:10px}.legal h2{font-size:20px}.legal p{margin:0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:16px}.fact{background:#fff;border:1px solid var(--line);padding:22px;display:flex;flex-direction:column;gap:6px}.fact .k{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted)}.fact .v{font-weight:600;font-size:20px;line-height:1.2}.fact .v.big{font-family:var(--mono);font-size:30px;line-height:1}
.check{border:1px solid var(--line);padding:16px;display:flex;flex-direction:column;gap:12px}.check .ico{aspect-ratio:1;background:var(--tint);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11px;color:var(--muted);text-align:center;padding:12px}
@media(max-width:999px){.hero-media{min-height:0;padding:20px 16px 32px}}