:root{--storm:#0B3B4F;--storm2:#0F4C64;--water:#1E88A8;--concrete:#F2F0EB;--line:#DAD6CC;--ink:#14212B;--muted:#4E5B64;--signal:#FFC233;--signal2:#F2AE00;--white:#fff;
--head:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--body:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:17px;line-height:1.65;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--storm2)}
h1,h2,h3{font-family:var(--head);line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800}
h3{font-size:1.12rem;font-weight:700}
p{margin:0 0 1em}
.wrap{width:min(1140px,100% - 32px);margin-inline:auto}
.narrow{width:min(780px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:100;background:#fff;padding:8px 12px}

/* top strip + header */
.strip{background:var(--storm);color:#CFE2EA;font-size:.86rem}
.strip .wrap{display:flex;justify-content:space-between;gap:12px;padding:6px 0}
.strip a{color:#fff;font-weight:700;text-decoration:none}
.hdr{position:sticky;top:0;z-index:50;background:#fff;border-bottom:3px solid var(--storm)}
.hdr .wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto}
.brand svg{width:40px;height:40px;flex:none}
.brand b{font-family:var(--head);font-size:1.08rem;font-weight:800;line-height:1.1;display:block}
.brand small{display:block;font-size:.74rem;color:var(--muted);font-weight:600}
.nav{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav>li{position:relative}
.nav a{display:block;padding:10px 12px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;border-radius:6px}
.nav a:hover,.nav a[aria-current=page]{background:var(--concrete)}
.sub{position:absolute;left:0;top:100%;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 28px rgba(11,59,79,.14);list-style:none;margin:0;padding:6px;display:none}
.nav li:hover>.sub,.nav li:focus-within>.sub{display:block}
.call{display:inline-flex;align-items:center;gap:.5em;background:var(--signal);color:var(--ink);font-weight:800;text-decoration:none;padding:.72em 1.15em;border-radius:6px;border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink);white-space:nowrap;font-family:var(--head)}
.call:hover{background:var(--signal2)}
.call svg{width:1.05em;height:1.05em;fill:currentColor}
.call.lg{font-size:1.12rem;padding:.85em 1.35em}
.mnav{display:none}
.mnav summary{list-style:none;cursor:pointer;width:44px;height:44px;border:2px solid var(--ink);border-radius:6px;display:grid;place-content:center;gap:5px}
.mnav summary::-webkit-details-marker{display:none}
.mnav summary span{display:block;width:20px;height:2px;background:var(--ink)}
.mnav-panel{position:absolute;right:16px;top:74px;width:min(320px,calc(100vw - 32px));background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;box-shadow:0 18px 40px rgba(11,59,79,.2)}
.mnav-panel ul{list-style:none;margin:0 0 10px;padding:0}
.mnav-panel a{display:block;padding:8px 6px;color:var(--ink);text-decoration:none;font-weight:600}
.mnav-panel p{margin:8px 6px 2px;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}

/* hero */
.hero{background:var(--storm);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:14px;background:repeating-linear-gradient(90deg,#BDB8AE 0 36px,#AAA69D 36px 40px)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:58px 0 72px}
.eyebrow{font-family:var(--head);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;color:var(--signal);margin-bottom:.8em}
.hero .lead{font-size:1.16rem;color:#DCEAF0;max-width:36em}
.ctas{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:22px 0 18px}
.ghost{color:#fff;font-weight:700;text-decoration:underline;text-underline-offset:4px}
.note{font-size:.88rem;color:#A9C6D2;max-width:36em;border-left:3px solid var(--signal);padding-left:12px}
.panel{background:#fff;border-radius:12px;padding:10px;box-shadow:0 20px 50px rgba(0,0,0,.28)}
.panel figcaption{font-size:.8rem;color:var(--muted);padding:6px 6px 2px}

/* sections */
.sec{padding:70px 0}
.tint{background:var(--concrete)}
.intro{max-width:44em;color:var(--muted)}
.sym{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0 24px}
.sym article{background:#fff;border:1px solid var(--line);border-top:5px solid var(--water);border-radius:8px;padding:18px 18px 8px}
.sym h3{font-size:1.06rem}
.sym dl{margin:0;font-size:.94rem}
.sym dt{font-weight:700;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.sym dd{margin:2px 0 12px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
.card{display:block;background:#fff;border:2px solid var(--ink);border-radius:8px;padding:20px;text-decoration:none;color:var(--ink);box-shadow:4px 4px 0 var(--water)}
.card:hover{transform:translate(-1px,-1px);box-shadow:6px 6px 0 var(--water)}
.card p{color:var(--muted);font-size:.95rem;margin:0 0 10px}
.card span{font-weight:700;color:var(--storm2)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{position:relative;padding:0 0 18px 56px;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--storm);color:#fff;font-family:var(--head);font-weight:800;display:grid;place-content:center}
.steps b{display:block;font-family:var(--head)}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.checks div{background:#fff;border-radius:8px;padding:18px;border:1px solid var(--line)}
.sources{font-size:.85rem;color:var(--muted);margin-top:18px}
.sources a{color:var(--muted)}
.band{background:var(--signal);border-top:3px solid var(--ink);border-bottom:3px solid var(--ink)}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:30px 0;flex-wrap:wrap}
.band h2{margin:0 0 .2em;font-size:1.6rem}
.band p{margin:0}
.band .call{background:var(--ink);color:#fff;box-shadow:3px 3px 0 #fff}
.parts{margin:0;display:grid;gap:10px}
.parts div{display:grid;grid-template-columns:140px 1fr;gap:12px;border-bottom:1px dashed var(--line);padding-bottom:10px}
.parts dt{font-weight:700}.parts dd{margin:0;color:var(--muted)}
.towns{columns:4 180px;list-style:none;padding:0;margin:18px 0}
.towns li{padding:3px 0;break-inside:avoid}
.towns small{color:var(--muted)}
.scope{font-size:.92rem;background:#fff;border:1px dashed var(--muted);border-radius:8px;padding:12px 14px;color:var(--muted)}
details.faq{border-bottom:1px solid var(--line);padding:4px 0}
details.faq summary{cursor:pointer;font-weight:700;padding:12px 0;font-family:var(--head)}
details.faq p{color:var(--muted)}

/* inner pages */
.phead{background:var(--concrete);border-bottom:1px solid var(--line)}
.phead .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:40px 0 48px}
.crumbs{font-size:.86rem;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.phead .lead{font-size:1.1rem;color:var(--muted)}
.micro{font-size:.84rem;color:var(--muted);margin-top:10px}
.body{display:grid;grid-template-columns:1fr 320px;gap:44px;align-items:start}
.prose h2{font-size:1.5rem;margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.2em}.prose li{margin-bottom:.4em}
.signs{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.signs li{background:var(--concrete);border-left:4px solid var(--water);padding:10px 12px;border-radius:4px;font-weight:600}
.ask{background:var(--concrete);border-radius:8px;padding:6px 20px 10px;margin-top:26px}
.side{position:sticky;top:96px;display:grid;gap:16px}
.box{border:2px solid var(--ink);border-radius:8px;padding:18px;background:#fff}
.box p{font-size:.94rem;color:var(--muted)}
.box ul{list-style:none;padding:0;margin:0}.box li{padding:4px 0}
.box .call{width:100%;justify-content:center}

/* footer */
.foot{background:var(--ink);color:#B8C7CF;padding:54px 0 0;font-size:.94rem}
.foot .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.foot a{color:#fff;text-decoration:none}
.foot ul{list-style:none;padding:0;margin:0}.foot li{padding:3px 0}
.foot h3{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em}
.legal{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding:20px 0 40px;font-size:.84rem}
.mcall{display:none}

/* sump diagram animation */
.sump .water,.sump .float{animation:level 10s ease-in-out infinite}
.sump .flow{animation:on 10s linear infinite,dash .7s linear infinite}
.sump .light,.sump .splash{animation:on 10s linear infinite}
.sump .rain line{animation:rain .9s linear infinite}
.sump .rain line:nth-child(3n){animation-delay:-.3s}.sump .rain line:nth-child(3n+1){animation-delay:-.6s}
.sump .seep circle{animation:seep 6s linear infinite;opacity:0}
.sump .hl{fill:none;stroke:#E0A100;stroke-width:3;stroke-dasharray:7 6;animation:pulse 2.4s ease-in-out infinite}
@keyframes level{0%{transform:translateY(70px)}55%,62%{transform:translateY(0)}90%,100%{transform:translateY(70px)}}
@keyframes on{0%,57%{opacity:0}60%,88%{opacity:1}91%,100%{opacity:0}}
@keyframes dash{to{stroke-dashoffset:-22}}
@keyframes rain{from{transform:translateY(-30px)}to{transform:translateY(34px)}}
@keyframes seep{0%{transform:translateX(0);opacity:0}15%,80%{opacity:.9}100%{transform:translateX(-270px);opacity:0}}
@keyframes pulse{50%{stroke-opacity:.35}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .sump *{animation:none!important}
  .sump .water,.sump .float{transform:translateY(30px)}
  .sump .flow,.sump .light,.sump .splash,.sump .seep circle{opacity:0}
}
@media (max-width:1020px){
  .nav{display:none}.mnav{display:block}
  .cards{grid-template-columns:1fr 1fr}
  .sym{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .hero .wrap,.phead .wrap,.two,.body{grid-template-columns:1fr;gap:28px}
  .side{position:static}
  .foot .grid{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  body{font-size:16px}
  .strip span{display:none}.strip .wrap{justify-content:center}
  .hdr .wrap{min-height:62px;gap:10px}
  .brand small{display:none}
  .hdr .call{padding:.55em .8em;font-size:.88rem;box-shadow:2px 2px 0 var(--ink)}
  .sym,.cards,.checks,.signs{grid-template-columns:1fr}
  .sec{padding:52px 0}
  .parts div{grid-template-columns:1fr;gap:2px}
  .foot .grid{grid-template-columns:1fr}
  .legal{padding-bottom:160px}
  .mcall{display:flex;position:fixed;left:12px;right:12px;bottom:72px;z-index:60;justify-content:center;align-items:center;gap:.5em;background:var(--signal);color:var(--ink);font-family:var(--head);font-weight:800;text-decoration:none;padding:14px;border-radius:8px;border:2px solid var(--ink);box-shadow:3px 3px 0 var(--ink)}
  .mcall svg{width:1.1em;height:1.1em;fill:currentColor}
}
@media (max-width:440px){.brand b{font-size:.92rem}.brand svg{width:34px;height:34px}}
@media (max-width:370px){.brand span{display:none}}

/* blog animations */
.mini{display:block;width:100%;max-width:520px;margin:10px auto 4px;border-radius:10px;border:1px solid var(--line)}
.fl .w,.fl .f{animation:flv 8s ease-in-out infinite}
.fl .on{animation:show 8s linear infinite}.fl .off{animation:hide 8s linear infinite}
@keyframes flv{0%{transform:translateY(112px)}50%,56%{transform:translateY(0)}92%,100%{transform:translateY(112px)}}
@keyframes show{0%,49%{opacity:0}51%,90%{opacity:1}93%,100%{opacity:0}}
@keyframes hide{0%,49%{opacity:1}51%,90%{opacity:0}93%,100%{opacity:1}}
.cv .up{animation:cvup 6s linear infinite,dashup .6s linear infinite}
.cv .down{opacity:0}
.cv .bad .down{animation:cvdown 6s linear infinite,dashdn .6s linear infinite}
.cv .flap{transition:none;animation:flap 6s linear infinite}
.cv .bad .flap{animation:none;transform:rotate(-70deg)}
.cv .bad .col{animation:drain 6s linear infinite}
.cv .run{animation:cvup 6s linear infinite}.cv .stop{animation:cvstop 6s linear infinite}
@keyframes cvup{0%,48%{opacity:1}52%,100%{opacity:0}}
@keyframes cvstop{0%,48%{opacity:0}52%,100%{opacity:1}}
@keyframes cvdown{0%,50%{opacity:0}54%,96%{opacity:1}100%{opacity:0}}
@keyframes dashup{to{stroke-dashoffset:20}}
@keyframes dashdn{to{stroke-dashoffset:-20}}
@keyframes flap{0%,48%{transform:rotate(-70deg)}52%,100%{transform:rotate(0)}}
@keyframes drain{0%,50%{transform:translateY(0)}95%,100%{transform:translateY(96px)}}
.figcap{font-size:.86rem;color:var(--muted);text-align:center;margin:0 0 1.4em}
.table{width:100%;border-collapse:collapse;font-size:.95rem;margin:10px 0 20px}
.table th,.table td{border:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
.table th{background:var(--concrete);font-family:var(--head)}
.tablewrap{overflow-x:auto}
.warn{background:#FFF6DC;border:2px solid var(--ink);border-radius:8px;padding:14px 18px;margin:18px 0}
.byline{font-size:.88rem;color:var(--muted)}
.toc{background:var(--concrete);border-radius:8px;padding:12px 20px;margin:18px 0}
.toc ol{margin:6px 0}
.postcard{display:block;border:2px solid var(--ink);border-radius:8px;padding:20px;text-decoration:none;color:var(--ink);box-shadow:4px 4px 0 var(--water);max-width:720px}
.postcard p{color:var(--muted)}
@media (prefers-reduced-motion:reduce){.mini *{animation:none!important}.cv .down,.fl .on,.cv .stop{opacity:0}}