/* TightBucket: brand tokens mirror brand/brand.json */
@font-face{font-family:"Archivo Black";src:url("/assets/fonts/ArchivoBlack-Regular.ttf") format("truetype");font-display:swap;font-weight:400}
:root{--ink:#0B1324;--muted:#5B6778;--line:#E3E8EF;--bg:#F6F8FA;--card:#fff;--brand:#0F766E;--brand-d:#115E59;--tint:#E6F4F2;--water:#38BDF8;--leak:#EA580C;--leak-t:#FFF1E8;--good:#15803D;--warn:#B45309;--bad:#B91C1C;--r:14px;--display:"Archivo Black",system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}a:hover{color:var(--brand-d)}img,svg{max-width:100%}
:focus-visible{outline:3px solid var(--water);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}
h1,h2,.display{font-family:var(--display);font-weight:400;letter-spacing:-.01em;line-height:1.1}
h3{line-height:1.25}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
/* nav */
.nav{background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav .wrap{display:flex;align-items:center;gap:22px;height:62px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);margin-right:auto}
.logo svg{width:30px;height:30px}.logo span{font-family:var(--display);font-size:21px;letter-spacing:-.01em}.logo b{color:var(--brand);font-weight:400}
.nav .links{display:flex;gap:20px}.nav .links a{text-decoration:none;color:var(--ink);font-size:15px;font-weight:500}.nav .links a:hover{color:var(--brand)}
@media(max-width:820px){.nav .links{display:none}}
/* hero */
.hero{padding:64px 0 36px;text-align:center}
.hero h1,.hero-split h1{font-size:clamp(34px,5.4vw,58px);margin:14px 0 16px}.hero-split h1{font-size:clamp(34px,4.6vw,54px)}
.hero h1 em,.hero-split h1 em{font-style:normal;color:var(--brand)}
.lede{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:700px;margin:0 auto 28px}
.hero-split{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;text-align:left;padding:60px 0 30px}
.hero-split .lede{margin-left:0}.hero-split form.audit-form{justify-content:flex-start;margin:0}
@media(max-width:900px){.hero-split{grid-template-columns:1fr;text-align:center}.hero-split .lede{margin:0 auto 24px}.hero-split form.audit-form{justify-content:center;margin:0 auto}}
/* primitives */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.tile{display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:transform .12s,box-shadow .12s,border-color .12s}
.tile:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(11,19,36,.08);border-color:#cfd8e3;color:inherit}
.tile h3{margin:10px 0 6px;font-size:18px}.tile p{margin:0;color:var(--muted);font-size:15px}.tile .go{margin-top:auto;padding-top:12px;color:var(--brand);font-weight:600;font-size:15px}
.pill{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--brand-d);background:var(--tint);border-radius:99px;padding:4px 11px}
.pill.leak{color:#9A3412;background:var(--leak-t)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;border:0;border-radius:12px;padding:13px 22px;font-weight:700;font-size:16px;cursor:pointer;text-decoration:none;transition:background .12s}
.btn:hover{background:var(--brand-d);color:#fff}.btn:disabled{opacity:.6;cursor:wait}
.btn.alt{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.alt:hover{border-color:var(--brand);color:var(--brand)}
.btn.sm{padding:8px 14px;font-size:14px;border-radius:10px}
form.audit-form,form.tool{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:720px;margin:0 auto}
input,select,textarea{font:inherit;color:inherit;padding:13px 14px;border:1px solid #cfd8e3;border-radius:12px;background:#fff;min-width:0}
input:focus,select:focus,textarea:focus{border-color:var(--brand);outline:3px solid var(--tint)}
form.audit-form input[name=url]{flex:1 1 280px}
textarea{width:100%;min-height:180px}
.status{width:100%;color:var(--muted);min-height:1.6em;font-size:15px}.hero .status{text-align:center}.hero-split .status{text-align:left}
@media(max-width:900px){.hero-split .status{text-align:center}}
.err{color:var(--bad)}.muted{color:var(--muted)}.small{font-size:14px}.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
section{padding:40px 0}section>h2,.section-title{font-size:clamp(26px,3.4vw,34px);margin:0 0 8px}.section-sub{color:var(--muted);margin:0 0 22px;max-width:680px}
/* score preview (hero) */
.preview{background:var(--ink);color:#fff;border-radius:20px;padding:26px;box-shadow:0 30px 60px rgba(11,19,36,.25)}
.preview .row{display:flex;justify-content:space-between;align-items:baseline}.preview .num{font-family:var(--display);font-size:72px;line-height:1}
.preview .num small{font-size:24px;color:#64748B}.preview ul{list-style:none;padding:0;margin:16px 0 0}
.preview li{display:flex;gap:10px;padding:9px 0;border-top:1px solid rgba(255,255,255,.1);font-size:15px}.preview li .x{color:#FB923C;font-weight:700}.preview li .ok{color:#5EEAD4;font-weight:700}
.band{display:inline-block;border-radius:99px;padding:3px 12px;font-weight:700;font-size:14px;color:#fff}
.band-watertight{background:var(--good)}.band-tight{background:var(--brand)}.band-leaky{background:var(--warn)}.band-pouring{background:var(--bad)}
/* steps */
.steps{counter-reset:s;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.steps .card{position:relative;padding-top:56px}.steps .card::before{counter-increment:s;content:counter(s);position:absolute;top:18px;left:24px;width:30px;height:30px;border-radius:50%;background:var(--tint);color:var(--brand-d);font-weight:800;display:grid;place-items:center}
.steps h3{margin:0 0 6px}
/* tools */
.result{margin-top:18px}.big{font-family:var(--display);font-size:46px;line-height:1.1}.big.good{color:var(--good)}.big.warn{color:var(--warn)}.big.bad{color:var(--bad)}
ul.checks{list-style:none;padding:0}ul.checks li{padding:10px 0;border-bottom:1px solid var(--line)}
ul.checks li.ok{color:#14532d}ul.checks li.no{color:#7f1d1d}
.chk{display:inline-flex;gap:6px;align-items:center;margin:4px 14px 4px 0;font-size:15px}.chk input{width:auto}
.calc{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.calc label{font-size:14px;color:var(--muted);display:block;margin-bottom:4px}.calc input{width:100%}
.table-wrap{overflow:auto;max-height:440px;border:1px solid var(--line);border-radius:12px;background:#fff}table{border-collapse:collapse;width:100%;font-size:14px}th,td{padding:9px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{background:var(--bg);position:sticky;top:0}
/* pricing */
.price{display:flex;flex-direction:column}.price h3{margin:8px 0 2px;font-size:20px}.price .amt{font-family:var(--display);font-size:42px;line-height:1.2}.price .amt small{font-family:inherit;font-size:16px;color:var(--muted)}
.price ul{padding-left:0;list-style:none;margin:14px 0 20px}.price li{padding:5px 0 5px 26px;position:relative}.price li::before{content:"✓";position:absolute;left:2px;color:var(--brand);font-weight:800}
.price .btn{margin-top:auto}.price.hot{border:2px solid var(--brand);box-shadow:0 18px 40px rgba(15,118,110,.12)}
details{border-bottom:1px solid var(--line);padding:14px 0}summary{font-weight:600;cursor:pointer}details p{margin:8px 0 0;color:var(--muted)}
.prose{max-width:780px;margin:40px auto}.prose h1{font-size:38px}.prose h2{font-size:22px;margin-top:30px}.prose li{margin:4px 0}
.cta-band{background:var(--ink);color:#fff;border-radius:20px;padding:40px;text-align:center}.cta-band h2{margin:0 0 10px}.cta-band p{color:#CBD5E1;margin:0 0 22px}
.cta-band .btn.alt{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.logos{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;color:var(--muted);font-size:14px}
footer.site{border-top:1px solid var(--line);margin-top:48px;padding:36px 0 28px;color:var(--muted);font-size:14px;background:#fff}
footer.site .cols{display:grid;grid-template-columns:1.4fr repeat(5,1fr);gap:20px}@media(max-width:820px){footer.site .cols{grid-template-columns:1fr 1fr}}
footer.site b{color:var(--ink)}footer.site a{color:var(--muted);text-decoration:none;display:block;padding:3px 0}footer.site a:hover{color:var(--brand)}
footer.site .legal{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
@media print{.nav,footer.site,.noprint{display:none}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Products, downloads, guides */
.pgrid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(235px,1fr))}
.pcard{padding:0;overflow:hidden;display:flex;flex-direction:column;border-top:3px solid var(--accent,var(--brand))}
.pcover{display:block;aspect-ratio:16/10;background:var(--ink);overflow:hidden}.pcover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s}
.pcard:hover .pcover img{transform:scale(1.025)}
.pcover .gthumb{object-position:top center}
.pbody{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}.pbody h3{margin:10px 0 6px;font-size:19px}.pbody p{margin:0 0 10px;font-size:15px}
.pmeta{display:flex;justify-content:space-between;align-items:center;gap:8px}.pprice{font-weight:800;color:var(--ink);font-size:15px;white-space:nowrap}
.pbul{margin:0 0 12px;padding-left:18px;font-size:14px;color:var(--muted)}.pbul li{margin:3px 0}
.pact{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px}
.subhead{margin:30px 0 14px;font-size:20px}
.dl{display:grid;grid-template-columns:minmax(0,380px) 1fr;gap:28px;align-items:start;border-top:1px solid var(--line)}
.dl h2{margin:10px 0 6px;font-size:26px}.dlcover img{width:100%;height:auto;border-radius:14px;display:block;box-shadow:0 12px 32px rgba(11,19,36,.14)}
.dl ol{padding-left:20px;color:var(--muted)}.dl code,.guide code{background:var(--tint);padding:1px 6px;border-radius:6px;font-size:.92em}
.pdfs{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
@media (max-width:760px){.dl{grid-template-columns:1fr}}
.guide{max-width:1080px;margin:0 auto;padding:30px 0 10px}.guide>h1{font-size:clamp(30px,4.4vw,44px);margin:6px 0 8px}
.crumbs{font-size:14px;color:var(--muted);margin:0}.gmeta{color:var(--muted);font-size:14px}
.glayout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;margin-top:20px}
.toc{position:sticky;top:84px;align-self:start;display:flex;flex-direction:column;gap:2px;font-size:14px}.toc b{margin-bottom:6px}
.toc a{color:var(--muted);text-decoration:none;padding:5px 0 5px 10px;border-left:2px solid var(--line)}.toc a:hover{color:var(--brand);border-color:var(--brand)}
.gmain{max-width:760px}.gsec{padding:10px 0 26px}.gsec h2{font-size:24px;margin:0 0 10px}.gsec li{margin:4px 0}
.guide figure{margin:18px 0 6px}.guide figure img{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px rgba(11,19,36,.08)}
.guide figcaption{font-size:14px;color:var(--muted);margin-top:8px;text-align:center}
.gprod{display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:center;margin-top:20px;border-top:3px solid var(--accent)}.gprod img{width:100%;height:auto;border-radius:10px;display:block}.gprod h3{margin:8px 0 4px}
@media (max-width:860px){.glayout{grid-template-columns:1fr}.toc{position:static}.gprod{grid-template-columns:1fr}}
.manual .mcover{text-align:center;padding:10px 0 30px}.manual .mcover img{width:100%;height:auto;border-radius:16px}.manual .mtoc{position:static;max-width:560px;margin:0 auto 30px}
.mchap{border-top:1px solid var(--line);padding-top:24px;margin-top:24px}.mchap>h1{font-size:32px;margin:8px 0}
@media print{
  .nav,footer.site,.noprint,.skip,.toc:not(.mtoc){display:none!important}
  body{background:#fff}.wrap{max-width:none;padding:0}.glayout{display:block}.gmain{max-width:none}
  .guide{padding:0}.guide figure{break-inside:avoid}.guide figure img{box-shadow:none}.gsec h2{break-after:avoid}
  .mchap{break-before:page;border:0;margin:0}.manual .mtoc{break-after:page}.manual .mtoc a{border:0;color:var(--ink)}
  a{color:var(--ink)}details summary{list-style:none}
}
.guide .lede{margin:0 0 8px;max-width:760px;text-align:left}.manual .mcover .lede{margin:8px auto;text-align:center}