*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:17px/1.7 Arial,Helvetica,sans-serif;color:#183332;background:#f8faf9}a{color:#076b60;text-underline-offset:3px}a:hover{color:#a54d23}img{max-width:100%;display:block}.wrap{max-width:1200px;margin:auto;padding:0 24px}.skip{position:absolute;left:-1000px;top:5px;z-index:50;background:white;padding:12px}.skip:focus{left:10px}.site-head{position:relative;z-index:20;background:#123a36;color:white}.head-row{display:flex;justify-content:space-between;align-items:center;gap:18px;min-height:80px}.logo{font-size:29px;font-weight:850;text-decoration:none;color:white;white-space:nowrap;letter-spacing:-1.5px}.logo span{color:#7fd7bd}.logo small{display:block;font-size:10px;font-weight:normal;letter-spacing:1px;text-transform:uppercase;color:#cce2d9;line-height:1.1}.desktop-nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.desktop-nav a{padding:11px 10px;font-size:14px;font-weight:700;text-decoration:none;color:white;border-radius:5px}.desktop-nav a:hover,.desktop-nav a[aria-current=page]{background:#29675e;color:white}.menu-toggle{display:none;background:#fff;color:#164139;border:0;padding:10px 16px;border-radius:5px;font-weight:bold}.mobile-nav{display:none}.hero{height:clamp(380px,43vw,580px);position:relative;background:#102b29;overflow:hidden}.hero img{width:100%;height:100%;object-fit:cover;object-position:center 48%}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,30,28,.88),rgba(7,30,28,.48) 55%,rgba(7,30,28,.04))}.hero-content{position:absolute;z-index:1;left:0;right:0;top:50%;transform:translateY(-50%);color:#fff}.hero h1{font-size:clamp(35px,4.2vw,57px);letter-spacing:-1.7px;line-height:1.1;max-width:720px;margin:8px 0 18px}.hero p{max-width:650px;font-size:19px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:#63c3a6}.cta,.hero-button{display:inline-block;background:#d9ad56;border:1px solid #d9ad56;color:#172b26;text-decoration:none;font-weight:bold;padding:12px 21px;border-radius:5px}.hero-button{background:#fff;border-color:#fff}.cta:hover,.hero-button:hover{background:#f4cb7e;color:#162a25}.section{padding:66px 0}.section.alt{background:#eef4f1}.section h2,.content h2{font-size:clamp(23px,2.5vw,32px);line-height:1.25;letter-spacing:-.5px;margin:0 0 20px}.lead{font-size:19px;color:#45645c;max-width:820px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card{background:#fff;border:1px solid #d9e5df;border-radius:9px;overflow:hidden;box-shadow:0 3px 12px rgba(10,35,30,.035)}.card img{height:172px;width:100%;object-fit:cover}.card-body{padding:22px}.card h3{font-size:20px;line-height:1.3;margin:0 0 8px}.card h3 a{text-decoration:none;color:#173d36}.card p{margin:0 0 16px;color:#49645d;font-size:15px}.arrow{font-weight:750;font-size:15px}.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:42px}.split img{border-radius:9px;max-height:350px;width:100%;object-fit:cover}.article-title{background:#e9f2ed;padding:46px 0 38px}.article-title h1{font-size:clamp(29px,3.8vw,46px);line-height:1.17;letter-spacing:-1px;max-width:850px;margin:10px 0}.crumb{font-size:13px;margin-bottom:15px}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 270px;justify-content:space-between;gap:55px;padding-top:44px;padding-bottom:75px}.article-body{background:#fff;padding:0 0 15px}.article-photo{border-radius:7px;width:100%;aspect-ratio:16/9;object-fit:cover}.article-body h2{margin-top:34px;font-size:24px}.article-body h3{margin-top:25px;font-size:19px}.article-body p,.article-body li{color:#273a34}.article-body ul{padding-left:23px}.aside{border-left:3px solid #70b29b;padding-left:22px;align-self:start}.aside h3{font-size:17px;margin:0 0 14px}.aside a{display:block;margin:0 0 13px;font-size:15px}.note{border-left:4px solid #e2b45d;padding:16px 20px;background:#fff8e9;margin:25px 0}.next-links{border-top:1px solid #d9e5df;padding-top:22px;margin-top:28px}.next-links a{display:inline-block;margin:0 15px 12px 0;font-size:15px}.affiliate{margin-top:34px;padding:25px;background:#f0f5f2;border:1px solid #d4e2da;border-radius:9px}.affiliate h2{margin-top:0;font-size:21px}.affiliate p{font-size:15px}.category-hero{height:270px;position:relative;background:#173932;overflow:hidden}.category-hero img{width:100%;height:100%;object-fit:cover}.category-hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,30,27,.88),rgba(5,30,27,.18))}.category-hero .wrap{position:absolute;z-index:2;inset:0;display:flex;flex-direction:column;justify-content:center;color:white}.category-hero h1{margin:0;font-size:39px;line-height:1.1}.category-hero p{font-size:18px;max-width:700px}.link-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 26px}.link-list a{display:block;background:#fff;border-left:3px solid #409780;padding:13px 18px;text-decoration:none;color:#21433b;font-weight:600}.link-list a:hover{background:#e7f3ed}.footer{background:#103b33;color:#fff;padding:50px 0 23px}.footer a{color:#d5e6dd}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer h2{font-size:19px}.footer p,.footer li{font-size:14px;color:#e4efea}.footer .legal{border-top:1px solid #6a8a7d;padding-top:18px;margin-top:30px;font-size:14px;line-height:1.7}.footer .legal p{color:white}.footer ul{list-style:none;padding:0}.footer li{margin:7px 0}.footer-bottom{font-size:12px;margin-top:20px;color:#cbded6}.img-credit{font-size:12px;color:#62766f}.mini-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.mini-nav a{border:1px solid #d3e1d8;padding:8px 12px;text-decoration:none;border-radius:5px;font-size:13px}.search-box{background:white;padding:18px;border-radius:8px;max-width:650px;box-shadow:0 8px 30px #092b2520}.search-box label{display:block;color:#123b36;font-size:14px;font-weight:bold}.search-box input{border:1px solid #a9bdb4;padding:12px;width:100%;font:inherit;border-radius:5px}.result-count{font-size:13px;margin-top:8px;color:#486258}.content{max-width:820px;padding-top:44px;padding-bottom:70px}.content h2{margin-top:30px}.content p{margin-bottom:17px}@media(max-width:1060px){.desktop-nav a{font-size:12px;padding:9px 7px}.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:25px}}@media(max-width:850px){.desktop-nav{display:none}.menu-toggle{display:block}.mobile-nav.open{display:grid;padding-bottom:16px;gap:4px}.mobile-nav a{display:block;padding:10px 8px;color:#fff;text-decoration:none;border-bottom:1px solid #39645c}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:1fr}.aside{border-top:2px solid #a6c6bb;border-left:0;padding:18px 0 0}.split{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:590px){.wrap{padding:0 18px}.hero{height:500px}.hero:after{background:linear-gradient(90deg,rgba(7,30,28,.88),rgba(7,30,28,.38))}.hero h1{font-size:36px}.hero p{font-size:17px}.section{padding:42px 0}.grid,.link-list,.footer-grid{grid-template-columns:1fr}.category-hero{height:300px}.category-hero h1{font-size:31px}.card img{height:205px}}

/* Subject-specific explanatory illustrations */
.article-body .drain-detail{margin:26px 0 34px;padding:0;max-width:100%} .article-body .drain-detail img{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:12px;box-shadow:0 12px 28px rgba(16,48,42,.13)}.article-body .drain-detail figcaption{font-size:.85rem;line-height:1.55;color:#48635d;padding:9px 2px 0} 

/* Primary contractor referral, placed immediately below each hero image */
.affiliate{background:#f4f8f2;border:1px solid #d6e4d9;border-radius:12px;padding:20px 22px;margin:14px 0 32px;box-shadow:0 4px 12px rgba(18,58,54,.07)}
.affiliate h2{font-size:1.18rem;line-height:1.3;margin:0 0 8px;color:#163a31}
.affiliate p{margin:0 0 14px;font-size:.95rem;line-height:1.55}
.affiliate .cta-raised{display:inline-flex;align-items:center;justify-content:center;max-width:100%;background:linear-gradient(180deg,#e2a328 0%,#ba7610 100%);color:#171c16!important;border:1px solid #9b650e;border-bottom:3px solid #88590e;border-radius:8px;padding:12px 22px;font-weight:750;font-size:1rem;line-height:1.35;text-align:center;text-decoration:none!important;box-shadow:0 5px 0 #86601b,0 8px 14px rgba(21,48,39,.22);transition:transform .15s ease,box-shadow .15s ease,filter .15s ease;cursor:pointer}
.affiliate .cta-raised:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 7px 0 #86601b,0 12px 18px rgba(21,48,39,.25)}
.affiliate .cta-raised:active{transform:translateY(3px);box-shadow:0 2px 0 #86601b,0 4px 9px rgba(21,48,39,.2)}
.affiliate .cta-raised:focus-visible{outline:3px solid #123a36;outline-offset:4px}
main>.affiliate{max-width:1100px;margin:20px auto 34px;padding:22px 28px}
@media(max-width:590px){.affiliate{padding:18px 16px}.affiliate .cta-raised{width:100%;font-size:.97rem}main>.affiliate{margin:16px 18px 25px}}

/* Legal information and protected contact */
.legal-content{max-width:910px;padding-top:34px;padding-bottom:56px;line-height:1.77}
.legal-content>.article-photo{width:100%;max-height:405px;object-fit:cover;border-radius:10px;margin-bottom:27px}
.legal-content h2{margin:34px 0 9px;font-size:clamp(1.18rem,2vw,1.47rem);line-height:1.25}
.legal-content p{margin:0 0 17px;max-width:84ch}
.legal-content a{color:#0f5246;text-decoration:underline;text-underline-offset:3px}
.contact-panel{margin:42px 0 8px;padding:26px 30px;border:1px solid #bad2c8;border-left:5px solid #275c4e;background:#f2f7f4;border-radius:8px}
.contact-panel h2{margin-top:0}
.email-reveal{display:inline-block;cursor:pointer;border:1px solid #173d34;border-radius:7px;padding:9px 16px;background:#f4df95;color:#173d34;font:inherit;font-weight:700;box-shadow:0 3px 0 #987b32,0 6px 12px rgba(0,0,0,.13)}
.email-reveal:hover{background:#ffeaa8;transform:translateY(-1px)}
.email-reveal:focus-visible{outline:3px solid #e3a12b;outline-offset:3px}
.email-result a{display:inline-block;margin-left:12px;overflow-wrap:anywhere}
.footer-contact{padding:13px 0;margin-bottom:16px!important;border-bottom:1px solid rgba(255,255,255,.2)}
.footer-contact .email-reveal{font-size:.85rem;padding:6px 10px}
.footer-contact .email-result a{color:#fff;text-decoration:underline}
@media(max-width:700px){.contact-panel{padding:18px}.email-result a{margin:10px 0 0}}

/* Guide search: override display:block for filtered-out links. */
.link-list [data-guide][hidden]{display:none!important}