:root{--ink:#102231;--muted:#5d7180;--blue:#0867a8;--navy:#073b62;--cyan:#58c7df;--pale:#eef7fb;--line:#d8e4ea;--white:#fff;--danger:#d84c3f;--shadow:0 18px 45px rgba(10,54,82,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f8fbfc;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.55}a{color:inherit}img{display:block;max-width:100%}button,input,select{font:inherit}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.skip-link{position:absolute;left:-9999px;top:10px;background:#fff;padding:10px;z-index:100}.skip-link:focus{left:10px}.utility-bar{background:var(--navy);color:#dff6ff;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}.utility-bar .wrap{padding:8px 0}.utility-bar span{color:var(--cyan);padding:0 8px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.header-grid{min-height:82px;display:grid;grid-template-columns:auto 1fr;align-items:center;gap:32px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none}.brand-badge{width:48px;height:48px;border-radius:13px;background:linear-gradient(145deg,var(--blue),var(--navy));color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 20px rgba(8,103,168,.25)}.brand strong{display:block;font-size:1.18rem;line-height:1}.brand small{display:block;color:var(--blue);font-size:.68rem;letter-spacing:.23em;margin-top:6px}.main-nav{display:flex;justify-content:flex-end;align-items:center;gap:24px}.main-nav a{text-decoration:none;font-weight:700;font-size:.91rem}.main-nav a:hover{color:var(--blue)}.main-nav .account-link{background:var(--blue);color:#fff;padding:10px 15px;border-radius:8px}.main-nav .account-link:hover{background:var(--navy);color:#fff}.menu-button{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 12px}.flash-stack{padding-top:14px}.flash{border-radius:8px;padding:12px 15px;margin-bottom:8px;font-weight:700}.flash-success{background:#e6f7ed;color:#17653a}.flash-notice{background:#fff5d9;color:#765607}.plumber-hero{background:linear-gradient(115deg,#eaf7fb 0,#fff 62%);border-bottom:1px solid var(--line);overflow:hidden}.hero-grid{min-height:520px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);align-items:center;gap:64px;padding:70px 0;position:relative}.hero-grid:before{content:"";position:absolute;width:380px;height:380px;border:70px solid rgba(88,199,223,.12);border-radius:50%;left:-250px;top:-130px}.eyebrow{margin:0 0 10px;color:var(--blue);font-size:.74rem;letter-spacing:.18em;font-weight:900}.plumber-hero h1{margin:0;font-size:clamp(2.65rem,5.5vw,5.4rem);line-height:.96;letter-spacing:-.055em;max-width:800px}.plumber-hero h1 em{font-style:normal;color:var(--blue)}.hero-copy{font-size:1.18rem;color:var(--muted);max-width:660px;margin:24px 0 30px}.hero-search label{display:block;font-weight:900;margin-bottom:8px}.hero-search div{display:flex;max-width:650px}.hero-search input{flex:1;min-width:0;border:2px solid #b9cfda;border-right:0;border-radius:10px 0 0 10px;padding:15px 17px;background:#fff}.hero-search button,.filter-panel button,.save-box button,.auth-card button{border:0;background:var(--blue);color:#fff;font-weight:900;padding:14px 20px;border-radius:0 10px 10px 0;cursor:pointer}.emergency-card{background:var(--navy);color:#fff;border-radius:22px;padding:36px;box-shadow:var(--shadow);position:relative}.alert-dot{position:absolute;right:25px;top:22px;width:42px;height:42px;border-radius:50%;background:var(--danger);display:grid;place-items:center;font-weight:900;font-size:1.3rem}.emergency-card .eyebrow{color:var(--cyan)}.emergency-card h2{font-size:2.3rem;margin:0 0 16px}.emergency-card ol{padding-left:22px;color:#dbeaf2}.emergency-card li{margin:9px 0}.emergency-card a{display:inline-block;color:#fff;font-weight:900;margin-top:8px}.trust-strip{display:grid;grid-template-columns:repeat(3,150px) 1fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;margin-top:-28px;position:relative;z-index:3;padding:23px 28px;box-shadow:0 10px 35px rgba(22,68,94,.08)}.trust-strip div{display:flex;flex-direction:column}.trust-strip strong{font-size:1.75rem;color:var(--navy);line-height:1}.trust-strip span{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-top:5px}.trust-strip p{margin:0;color:var(--muted);border-left:1px solid var(--line);padding-left:25px}.section-block{padding:78px 0 28px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-heading h2{margin:0;font-size:clamp(1.7rem,3vw,2.6rem);letter-spacing:-.035em}.section-heading>a{color:var(--blue);font-weight:900}.section-heading>span{color:var(--muted)}.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.featured-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 10px 28px rgba(24,72,96,.06)}.featured-card img{width:100%;aspect-ratio:16/9;object-fit:cover}.featured-card>div{padding:21px}.type-pill{display:inline-flex;background:var(--pale);color:var(--blue);border-radius:999px;padding:5px 9px;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;font-weight:900}.featured-card h3{font-size:1.22rem;line-height:1.2;margin:12px 0 8px}.featured-card h3 a{text-decoration:none}.featured-card p{margin:0;color:var(--muted)}.content-layout{display:grid;grid-template-columns:270px 1fr;gap:42px;padding:65px 0 95px}.filter-panel{align-self:start;background:var(--navy);color:#fff;border-radius:16px;padding:25px;position:sticky;top:105px}.filter-panel .eyebrow{color:var(--cyan)}.filter-panel h2{margin:0 0 20px}.filter-panel label{display:block;font-size:.82rem;font-weight:800;margin:14px 0}.filter-panel input,.filter-panel select{width:100%;margin-top:6px;padding:11px;border:0;border-radius:7px;background:#fff;color:var(--ink)}.filter-panel button{width:100%;border-radius:8px;margin-top:8px}.reset-link{display:block;text-align:center;margin:11px 0;color:#d7ecf6;font-size:.86rem}.filter-note{border-top:1px solid rgba(255,255,255,.18);margin-top:22px;padding-top:20px}.filter-note p{color:#cfe1ea;font-size:.84rem;margin:6px 0 0}.resource-list{display:grid;gap:17px}.resource-card{position:relative;display:grid;grid-template-columns:210px 1fr;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;min-height:175px}.resource-image img{width:100%;height:100%;object-fit:cover}.resource-copy{padding:22px 25px}.meta-row,.card-footer{display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.06em}.resource-copy h3{font-size:1.4rem;line-height:1.17;margin:10px 0}.resource-copy h3 a{text-decoration:none}.resource-copy p{color:var(--muted);margin:0 0 15px}.card-footer{padding-top:12px;border-top:1px solid var(--line);text-transform:none;letter-spacing:0}.card-footer a{color:var(--blue);font-weight:900}.save-form{position:absolute;right:13px;top:13px}.save-form button{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 10px;font-size:.72rem;font-weight:900;color:var(--blue);cursor:pointer}.empty{background:#fff;border:1px dashed #a8c2ce;border-radius:14px;padding:45px;text-align:center}.empty h3{font-size:1.7rem;margin:0}.empty a{color:var(--blue);font-weight:900}.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}.pagination a{color:var(--blue);font-weight:900}.pagination span{color:#9aaab2}.article-hero{background:var(--pale);border-bottom:1px solid var(--line);padding:70px 0}.article-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}.article-grid h1{font-size:clamp(2.4rem,5vw,4.6rem);line-height:1;letter-spacing:-.05em;margin:12px 0 18px}.article-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;box-shadow:var(--shadow)}.article-deck{font-size:1.2rem;color:var(--muted)}.byline{margin-top:20px;color:var(--muted)}.back-link{font-weight:900;color:var(--blue)}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 310px;gap:65px;padding:70px 0 100px}.prose{font-family:Georgia,serif;font-size:1.15rem;line-height:1.9;margin:24px 0}.detail-list{border:1px solid var(--line);border-radius:12px;overflow:hidden}.detail-list div{display:grid;grid-template-columns:180px 1fr;padding:12px 15px;border-bottom:1px solid var(--line)}.detail-list div:last-child{border:0}.detail-list dt{font-weight:900}.detail-list dd{margin:0}.source-button{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;font-weight:900;padding:13px 17px;border-radius:8px;margin-top:25px}.save-box,.safety-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:23px;margin-bottom:18px}.save-box h2{margin-top:0}.save-box button{border-radius:8px;width:100%}.save-box>a{display:block;background:var(--blue);color:#fff;text-align:center;text-decoration:none;font-weight:900;padding:12px;border-radius:8px}.safety-box{border-left:5px solid var(--danger)}.auth-shell{min-height:680px;display:grid;grid-template-columns:1fr 1fr}.auth-side{background:linear-gradient(145deg,var(--navy),#0d527f);color:#fff;padding:90px max(45px,calc((100vw - 1180px)/2));padding-right:8vw}.auth-side .eyebrow{color:var(--cyan)}.auth-side h1{font-size:clamp(2.7rem,5vw,5rem);line-height:.98;letter-spacing:-.05em;margin:12px 0 25px}.auth-side p,.auth-side li{color:#d5e9f2}.auth-card{align-self:center;justify-self:start;width:min(470px,calc(100% - 60px));margin:60px;padding:38px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.auth-card h2{font-size:2rem;margin:0 0 20px}.auth-card label{display:block;font-weight:800;margin:14px 0}.auth-card input{width:100%;padding:12px;border:1px solid #bacbd3;border-radius:8px;margin-top:6px}.auth-card button{width:100%;border-radius:8px;margin-top:12px}.form-errors{background:#fff0ef;color:#9e2f25;border-radius:8px;padding:10px 14px}.form-errors p{margin:5px}.auth-switch{text-align:center;color:var(--muted)}.auth-switch a{color:var(--blue);font-weight:900}.dashboard-hero{background:var(--pale);padding:55px 0;border-bottom:1px solid var(--line)}.dashboard-hero h1{font-size:3.3rem;margin:0;letter-spacing:-.05em}.dashboard-grid{display:grid;grid-template-columns:280px 1fr;gap:48px;padding:65px 0 100px}.profile-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:26px;align-self:start}.avatar{width:70px;height:70px;border-radius:18px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:900;font-size:1.4rem}.profile-card h2{margin-bottom:2px}.profile-card p{color:var(--muted);overflow-wrap:anywhere}.profile-card dl{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);padding-top:15px}.profile-card dt{font-size:.72rem;text-transform:uppercase;color:var(--muted)}.profile-card dd{margin:3px 0;font-weight:900}.text-button{border:0;background:none;color:var(--blue);font-weight:900;padding:0;cursor:pointer}.saved-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.saved-grid article{display:grid;grid-template-columns:130px 1fr;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.saved-grid img{width:100%;height:100%;object-fit:cover}.saved-grid article>div{padding:15px}.saved-grid span{font-size:.72rem;color:var(--blue);font-weight:900}.saved-grid h3{margin:6px 0;font-size:1rem}.saved-grid h3 a{text-decoration:none}.saved-grid button{border:0;background:none;color:#a23a31;padding:0;cursor:pointer}.simple-page{min-height:620px;display:grid;place-items:center;text-align:center;background:var(--pale);padding:40px}.simple-page>div{max-width:650px}.big-code{font-size:7rem;line-height:1;color:#bedbe8;font-weight:900}.simple-page h1{font-size:3rem;margin:10px 0}.simple-page p{color:var(--muted)}.simple-page a{display:inline-block;background:var(--blue);color:#fff;padding:12px 17px;border-radius:8px;text-decoration:none;font-weight:900}.site-footer{background:#071f31;color:#d7e8f0;padding:48px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:45px}.footer-grid p{color:#9fb8c5}.footer-grid>div{display:flex;flex-direction:column;gap:8px}.footer-grid a{color:#fff}@media(max-width:900px){.header-grid{grid-template-columns:1fr auto}.menu-button{display:block}.main-nav{display:none;grid-column:1/-1;flex-direction:column;align-items:stretch;padding:0 0 18px}.menu-button[aria-expanded="true"]+.main-nav{display:flex}.hero-grid,.article-grid,.article-layout,.auth-shell{grid-template-columns:1fr}.hero-grid{gap:35px}.trust-strip{grid-template-columns:repeat(3,1fr)}.trust-strip p{grid-column:1/-1;border:0;padding:0}.featured-grid{grid-template-columns:1fr 1fr}.content-layout,.dashboard-grid{grid-template-columns:1fr}.filter-panel{position:static}.article-aside{display:grid;grid-template-columns:1fr 1fr}.auth-card{justify-self:center}.saved-grid{grid-template-columns:1fr}}@media(max-width:620px){.wrap{width:min(100% - 24px,1180px)}.utility-bar{display:none}.header-grid{min-height:70px}.brand-badge{width:42px;height:42px}.hero-grid{padding:50px 0}.plumber-hero h1{font-size:2.75rem}.hero-search div{display:block}.hero-search input{width:100%;border:2px solid #b9cfda;border-radius:8px}.hero-search button{width:100%;border-radius:8px;margin-top:8px}.emergency-card{padding:26px}.trust-strip{margin-top:15px;grid-template-columns:1fr 1fr}.featured-grid{grid-template-columns:1fr}.section-heading{align-items:start;flex-direction:column}.content-layout{padding-top:40px}.resource-card{grid-template-columns:1fr}.resource-image img{aspect-ratio:16/8}.article-hero{padding:45px 0}.article-grid h1{font-size:2.65rem}.article-layout{padding-top:45px}.article-aside{grid-template-columns:1fr}.detail-list div{grid-template-columns:1fr}.auth-side{padding:55px 25px}.auth-card{margin:25px;width:calc(100% - 50px);padding:27px}.dashboard-hero h1{font-size:2.55rem}.saved-grid article{grid-template-columns:100px 1fr}.footer-grid{grid-template-columns:1fr}.simple-page h1{font-size:2.25rem}}