/* Campbell Roof Leak Help | preset A navy+orange | Sora + Inter */
:root{--navy:#0B2545;--navy-2:#13315C;--navy-3:#1D4378;--orange:#F97316;--orange-d:#B14C07;--ink:#14213D;--muted:#4B5A72;--line:#DDE5EF;--tint:#F3F7FB;--white:#fff;--ok:#0E8F6A;--r:16px;--r-s:10px;--sh:0 10px 30px rgba(11,37,69,.10);--sh-l:0 24px 60px rgba(11,37,69,.18);--w:1160px;--fh:'Sora',system-ui,sans-serif;--fb:'Inter',system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 17px/1.7 var(--fb);color:var(--ink);background:var(--white);overflow-x:hidden}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--navy-3);text-underline-offset:3px}a:hover{color:var(--orange-d)}
h1,h2,h3,h4{font-family:var(--fh);color:var(--navy);line-height:1.18;margin:0 0 .6em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.65rem,3.4vw,2.35rem);font-weight:700}
h3{font-size:clamp(1.2rem,2vw,1.4rem);font-weight:700}
p{margin:0 0 1.1em}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}
.container{width:min(100% - 32px,var(--w));margin-inline:auto}
.container-narrow{width:min(100% - 32px,760px);margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px;z-index:200}.skip-link:focus{left:8px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:48px;padding:12px 24px;border-radius:999px;font:700 1rem var(--fh);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary,.btn-call{background:var(--orange-d);color:#fff;box-shadow:0 8px 22px rgba(177,76,7,.35)}
.btn-primary:hover,.btn-call:hover{background:#8F3C05;color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--navy)}.btn-outline:hover{background:var(--navy);color:#fff}
.btn-lg{min-height:58px;padding:14px 32px;font-size:1.12rem}
.btn svg{width:20px;height:20px;flex:none}
/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy)}
.brand svg{width:44px;height:44px;flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1.1;font-family:var(--fh)}
.brand-text strong{font-size:1.05rem;font-weight:800}.brand-text span{font-size:.78rem;font-weight:600;color:var(--orange-d)}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-links>li{position:relative}
.nav-links a,.nav-links button{font:600 .95rem var(--fb);color:var(--navy);text-decoration:none;padding:10px 12px;border-radius:8px;background:none;border:0;cursor:pointer}
.nav-links a:hover,.nav-links button:hover{background:var(--tint);color:var(--navy)}
.nav-links a[aria-current="page"]{color:var(--orange-d)}
.nav-dd{position:absolute;top:100%;left:0;min-width:300px;background:#fff;border:1px solid var(--line);border-radius:var(--r-s);box-shadow:var(--sh-l);padding:8px;list-style:none;margin:6px 0 0;display:none}
.nav-links li.open>.nav-dd,.nav-links li:hover>.nav-dd,.nav-links li:focus-within>.nav-dd{display:block}
.nav-dd a{display:block;padding:10px 12px}
.nav-toggle{display:none;width:48px;height:48px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:22px;height:2px;background:var(--navy);position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-7px}.nav-toggle span::after{top:7px}
.nav-cta{display:flex;align-items:center;gap:10px}
@media (max-width:960px){
 .nav-toggle{display:inline-flex}.nav-cta .btn-call span.lbl{display:none}.nav-cta .btn-call{padding:12px 16px}
 .nav-links{position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 16px 20px;display:none;max-height:calc(100vh - 72px);overflow:auto;box-shadow:var(--sh)}
 .nav-links.open{display:flex}
 .nav-dd{position:static;display:none;box-shadow:none;border:0;padding:0 0 0 12px;margin:0;min-width:0}
 .nav-links li:hover>.nav-dd{display:none}.nav-links li.open>.nav-dd{display:block}
}
/* hero */
.hero{position:relative;background:radial-gradient(1200px 500px at 85% -10%,rgba(249,115,22,.18),transparent 60%),linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 60%,var(--navy-3) 100%);color:#fff;padding:72px 0 120px;overflow:hidden}
.hero h1,.hero h2{color:#fff}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero .lead{font-size:1.2rem;color:#D6E2F2;max-width:600px}
.eyebrow{display:inline-block;font:700 .8rem var(--fh);letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:14px}
.hero .eyebrow{background:rgba(249,115,22,.14);padding:7px 14px;border-radius:999px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 18px}
.hero-note{font-size:.88rem;color:#B8C9E0;max-width:560px}
.hero-art{position:relative}.hero-art svg{width:100%;filter:drop-shadow(0 30px 40px rgba(0,0,0,.35))}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin:24px 0 0;padding:0;list-style:none;font-size:.92rem;color:#D6E2F2}
.trust-row li{display:flex;align-items:center;gap:8px}
.trust-row svg{width:18px;height:18px;color:var(--orange);flex:none}
.wave{position:absolute;left:0;right:0;bottom:-1px;line-height:0}.wave svg{width:100%;height:70px}
.page-hero{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;padding:48px 0 72px;position:relative}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,4.4vw,3rem)}
.page-hero .lead{color:#D6E2F2;font-size:1.15rem;max-width:720px}
.breadcrumbs{font-size:.88rem;margin-bottom:18px;color:#B8C9E0}.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumbs li+li::before{content:"/";margin-right:6px;opacity:.6}.breadcrumbs a{color:#fff}
/* sections */
.section{padding:84px 0;position:relative}
.section-tint{background:var(--tint)}
.section-dark{background:var(--navy);color:#D6E2F2}.section-dark h2,.section-dark h3{color:#fff}.section-dark a{color:#FFB77A}
.section-head{max-width:760px;margin:0 auto 48px;text-align:center}
.section-head p{color:var(--muted);font-size:1.08rem}.section-dark .section-head p{color:#B8C9E0}
.angle-top{clip-path:polygon(0 36px,100% 0,100% 100%,0 100%);padding-top:110px;margin-top:-36px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-l)}
.card h3{margin-bottom:.4em}.card p{color:var(--muted);flex:1}
.card-link{font:700 .95rem var(--fh);text-decoration:none;color:var(--orange-d)}.card-link::after{content:" →"}
.card-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--navy),var(--navy-3));display:grid;place-items:center;margin-bottom:18px}.card-icon svg{width:26px;height:26px;color:#fff}
.section-dark .card{background:var(--navy-2);border-color:rgba(255,255,255,.1);box-shadow:none}.section-dark .card p{color:#B8C9E0}
/* process with leak trace */
.steps{position:relative;display:grid;gap:36px;padding-left:76px;counter-reset:s;max-width:820px;margin:0 auto}
.steps::before{content:"";position:absolute;left:27px;top:8px;bottom:8px;width:3px;background:repeating-linear-gradient(to bottom,rgba(249,115,22,.28) 0 8px,transparent 8px 16px)}
.steps-fill{position:absolute;left:27px;top:8px;width:3px;height:calc((100% - 16px)*var(--p,0));background:repeating-linear-gradient(to bottom,var(--orange) 0 8px,transparent 8px 16px)}
.steps-drop{position:absolute;left:18px;top:calc(8px + (100% - 16px)*var(--p,0));width:21px;height:28px;margin-top:-8px;background:var(--orange);border-radius:50% 50% 50% 50%/62% 62% 38% 38%;transform:rotate(0);box-shadow:0 4px 12px rgba(249,115,22,.5)}
.step{position:relative}.step::before{counter-increment:s;content:counter(s);position:absolute;left:-76px;top:0;width:54px;height:54px;border-radius:50%;background:#fff;border:3px solid var(--navy);display:grid;place-items:center;font:800 1.2rem var(--fh);color:var(--navy);z-index:1}
.section-dark .step::before{background:var(--navy-2);border-color:var(--orange);color:#fff}
.step h3{margin-bottom:.3em}.step p{margin:0;color:var(--muted)}.section-dark .step p{color:#B8C9E0}
.trace-svg path.trace{stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600);transition:stroke-dashoffset 1.6s ease}
.trace-svg.drawn path.trace{stroke-dashoffset:0}
/* content blocks */
.prose{max-width:760px}.prose h2{margin-top:1.8em}.prose h3{margin-top:1.5em}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.2em}.prose li{margin-bottom:.5em}
.prose-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start}
.aside{position:sticky;top:96px;display:grid;gap:20px}
.aside-card{background:var(--tint);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.aside-card h3{font-size:1.1rem}.aside-card ul{list-style:none;padding:0;margin:0}.aside-card li{padding:7px 0;border-bottom:1px solid var(--line)}.aside-card li:last-child{border:0}
.aside-call{background:var(--navy);color:#fff;border:0}.aside-call h3{color:#fff}.aside-call p{color:#B8C9E0;font-size:.95rem}
.callout{border-left:5px solid var(--orange);background:#FFF5EC;border-radius:0 var(--r-s) var(--r-s) 0;padding:20px 24px;margin:28px 0}
.callout strong{font-family:var(--fh);color:var(--navy)}.callout p:last-child{margin:0}
.callout-info{border-color:var(--navy-3);background:var(--tint)}
.checklist{list-style:none;padding:0!important;display:grid;gap:12px}
.checklist li{position:relative;padding-left:34px;margin:0!important}
.checklist li::before{content:"";position:absolute;left:0;top:5px;width:22px;height:22px;border-radius:50%;background:var(--ok) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/14px no-repeat}
.checklist-warn li::before{background-color:var(--orange);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.5' stroke-linecap='round'%3E%3Cpath d='M12 6v8M12 18v.5'/%3E%3C/svg%3E")}
.table-wrap{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:var(--r-s)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.96rem}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--navy);color:#fff;font-family:var(--fh);font-size:.9rem}tr:nth-child(even) td{background:var(--tint)}
.faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-s);padding:0 22px}
.faq summary{cursor:pointer;list-style:none;padding:20px 28px 20px 0;font:700 1.05rem var(--fh);color:var(--navy);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.6rem;color:var(--orange);transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq details p{padding-bottom:18px;color:var(--muted);margin:0}
.chips{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.chips a{display:inline-block;padding:10px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:600;text-decoration:none;color:var(--navy)}
.chips a:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.zip-tag{display:inline-block;background:var(--tint);border:1px solid var(--line);border-radius:6px;padding:2px 9px;font:600 .85rem var(--fh);color:var(--navy);margin:0 4px 4px 0}
.figure{margin:32px 0}.figure figcaption{font-size:.88rem;color:var(--muted);margin-top:10px;text-align:center}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:32px 0}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;text-align:center}
.stat b{display:block;font:800 1.9rem var(--fh);color:var(--orange-d)}.stat span{font-size:.92rem;color:var(--muted)}
/* CTA band */
.cta-band{background:linear-gradient(135deg,#9E4106 0%,#B54E08 100%);color:#fff;border-radius:24px;padding:48px;display:grid;grid-template-columns:1.4fr auto;gap:24px;align-items:center;box-shadow:var(--sh-l)}
.cta-band h2{color:#fff;margin:0 0 .3em}.cta-band p{margin:0;color:#fff}
.cta-band .btn{background:var(--navy);color:#fff;box-shadow:none}.cta-band .btn:hover{background:#000}
.cta-wrap{padding:0 0 84px}
/* footer */
.site-footer{background:#071A33;color:#B8C9E0;padding:64px 0 28px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.site-footer h3{color:#fff;font-size:1rem;margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer a{color:#B8C9E0;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-brand{color:#fff;font:800 1.15rem var(--fh);margin-bottom:12px}
.footer-disclosure{margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:.86rem;color:#8FA6C4}
.footer-bottom{margin-top:14px;font-size:.84rem;color:#8FA6C4}
/* sticky mobile call bar */
.sticky-call{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(11,37,69,.97);box-shadow:0 -8px 24px rgba(0,0,0,.2);transform:translateY(110%);transition:transform .3s}
.sticky-call.show{transform:none}.sticky-call .btn{width:100%;min-height:54px}
/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.reveal.in{opacity:1;transform:none}
.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}
.no-js .reveal{opacity:1;transform:none}
@media (max-width:960px){
 .hero{padding:48px 0 96px}.hero-grid,.grid-2,.prose-wrap,.footer-grid,.cta-band{grid-template-columns:1fr}
 .grid-3,.related,.stat-row{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}
 .section{padding:60px 0}.aside{position:static}.hero-art{order:-1;max-width:420px;margin:0 auto}
 .sticky-call{display:block}body{padding-bottom:78px}.cta-band{padding:32px 24px}
}
@media (max-width:520px){body{font-size:16px}.grid-4{grid-template-columns:1fr}.btn-lg{width:100%}.hero-actions .btn{width:100%}.steps{padding-left:64px}.step::before{left:-64px;width:46px;height:46px}.steps::before,.steps-fill{left:22px}.steps-drop{left:13px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}.trace-svg path.trace{stroke-dashoffset:0}}
@media print{.site-header,.sticky-call,.cta-band{display:none}}
@media (max-width:520px){.brand-text span{display:none}.brand-text strong{font-size:.9rem}.brand{min-width:0;flex:1}.nav-cta{flex:none}.brand svg{width:38px;height:38px}.nav{gap:8px}.nav-cta{gap:6px}.nav-cta .btn-call{padding:10px 12px;font-size:.88rem;min-height:44px}.nav-toggle{width:44px;height:44px}}
/* hero scene motion: transform/opacity only, paused off-screen, off for reduced motion */
.rain path{transform-box:fill-box;opacity:0;animation:rainfall 1.8s linear infinite;animation-delay:var(--d,0s)}
@keyframes rainfall{0%{transform:translate(8px,-26px);opacity:0}15%{opacity:.75}85%{opacity:.6}100%{transform:translate(-8px,26px);opacity:0}}
.drip{transform-box:fill-box;transform-origin:50% 0;opacity:0;animation:drip 3s ease-in infinite 1.8s}
@keyframes drip{0%{transform:translateY(-4px) scale(.4);opacity:0}15%{transform:translateY(0) scale(1);opacity:1}70%{transform:translateY(50px);opacity:1}72%,100%{transform:translateY(54px);opacity:0}}
.ripple{transform-box:fill-box;transform-origin:center;opacity:0;animation:ripple 3s ease-out infinite 1.8s}
@keyframes ripple{0%,68%{transform:scale(.3);opacity:0}72%{opacity:.9}100%{transform:scale(1.5);opacity:0}}
.hero-art.paused *{animation-play-state:paused!important}
@media (prefers-reduced-motion:reduce){.rain path{opacity:.6;animation:none!important}.drip{opacity:1;animation:none!important}.ripple{display:none}}
.prose,.aside,.card{min-width:0}
@media (max-width:960px){.prose-wrap,.grid-2{grid-template-columns:minmax(0,1fr)}}

.nav-links>li>a,.nav-links>li>button{min-height:44px;display:inline-flex;align-items:center}
@media (max-width:960px){.nav-links>li>a,.nav-links>li>button{display:flex;width:100%}}
/* diagrams */
.diagram{margin:36px 0}.diagram svg{width:100%;height:auto;display:block;background:var(--tint);border:1px solid var(--line);border-radius:16px}
.diagram figcaption{font-size:.9rem;color:var(--muted);margin-top:10px;text-align:center}
.diagram text{font-family:var(--fb)}.diagram text:not([fill]){fill:var(--ink)}.diagram .t{font-size:25px;font-weight:700}.diagram .s{font-size:22px;font-weight:500}