/* ============================================================
   Leak Detection Brighton — Design System v2
   Deep-water navy, aqua signal, warm orange call-to-action.
   ============================================================ */
:root{
  --navy:#06182B; --navy-2:#0A2A44; --teal:#0E5E75; --aqua:#16C1D8; --aqua-soft:#D8F5F9;
  --sky:#F2FAFC; --ink:#0B2236; --ink-soft:#4A6073; --line:#DCE8EE; --white:#fff;
  --orange:#FF8A1F; --orange-dark:#E5740A;
  --font-display:"Sora","Segoe UI",system-ui,sans-serif;
  --font-body:"Manrope",-apple-system,"Segoe UI",system-ui,sans-serif;
  --radius:16px; --radius-sm:10px;
  --shadow:0 10px 30px -12px rgba(6,24,43,.25);
  --shadow-lg:0 24px 60px -20px rgba(6,24,43,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--teal)}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(2.2rem,4.8vw,3.7rem);font-weight:800}
h2{font-size:clamp(1.65rem,3vw,2.35rem)}
h3{font-size:1.15rem}
p{margin:0 0 1.1em;max-width:68ch;color:var(--ink-soft)}
p.lead{font-size:1.15rem;color:var(--ink)}
ul,ol{margin:0 0 1.1em;padding-left:1.25em;color:var(--ink-soft)}
li{margin-bottom:.4em}
.skip-link{position:absolute;left:-999px;background:var(--navy);color:#fff;padding:10px 16px;z-index:999}
.skip-link:focus{left:16px;top:16px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* Topbar */
.topbar{background:var(--navy);color:#B9D3E3;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:700;text-decoration:none}
.topbar .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#3EE08F;margin-right:8px;box-shadow:0 0 0 4px rgba(62,224,143,.2)}

/* Header */
.site-header{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:12px;padding-bottom:12px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--navy);font-family:var(--font-display);font-weight:800;font-size:1.1rem;line-height:1.1;flex-direction:row}
.brand .logo{flex:none;width:42px;height:42px}
.brand .brand-text{display:flex;flex-direction:column}
.brand small{font-family:var(--font-body);font-weight:600;font-size:.68rem;color:var(--teal);letter-spacing:.12em;margin-top:3px}
nav.primary-nav{display:flex;align-items:center;gap:6px}
nav.primary-nav>a,.has-menu>a{text-decoration:none;color:var(--ink);font-size:.94rem;font-weight:600;padding:8px 12px;border-radius:999px;display:block}
nav.primary-nav>a:hover,.has-menu>a:hover{background:var(--aqua-soft);color:var(--teal)}
.has-menu{position:relative}
.has-menu>a::after{content:"▾";font-size:.7rem;margin-left:6px}
.menu{display:none;position:absolute;top:100%;left:0;min-width:270px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);padding:8px;z-index:10}
.has-menu:hover .menu,.has-menu:focus-within .menu{display:block}
.menu a{display:block;padding:9px 14px;border-radius:8px;text-decoration:none;color:var(--ink);font-size:.92rem;font-weight:600}
.menu a:hover{background:var(--aqua-soft);color:var(--teal)}
.nav-toggle{display:none}
.header-call{display:flex;align-items:center;gap:8px;background:var(--orange);color:var(--navy);text-decoration:none;padding:11px 18px;border-radius:999px;font-weight:800;font-size:.95rem;white-space:nowrap;box-shadow:0 8px 20px -8px rgba(255,138,31,.7);transition:.2s}
.header-call:hover{background:var(--orange-dark);transform:translateY(-1px)}
.header-call svg path{fill:var(--navy)}
@media(max-width:1020px){
  nav.primary-nav{position:fixed;inset:104px 0 0 0;background:#fff;flex-direction:column;align-items:stretch;padding:20px 24px;gap:2px;transform:translateX(100%);transition:transform .25s;overflow-y:auto}
  nav.primary-nav.open{transform:none}
  nav.primary-nav>a,.has-menu>a{font-size:1.05rem;padding:13px 8px;border-radius:8px;border-bottom:1px solid var(--line)}
  .has-menu>a::after{display:none}
  .menu{display:block;position:static;box-shadow:none;border:0;padding:0 0 0 12px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;margin-left:auto}
  .header-call span.t{display:none}
}
@media(max-width:640px){.topbar .wrap>span:last-child{display:none}.header-call{display:none}}

.mobile-call-bar{display:none}
@media(max-width:640px){
  .mobile-call-bar{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:60;background:var(--orange);color:var(--navy);text-decoration:none;align-items:center;justify-content:center;gap:10px;padding:15px;font-weight:800;border-radius:999px;box-shadow:0 12px 30px -8px rgba(6,24,43,.5)}
  body{padding-bottom:84px}
  nav.primary-nav{inset:60px 0 0 0}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-body);font-weight:800;font-size:.98rem;text-decoration:none;padding:14px 26px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:.2s}
.btn-primary{background:var(--orange);color:var(--navy);box-shadow:0 10px 24px -10px rgba(255,138,31,.8)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-block{width:100%;justify-content:center}
.hero .btn-outline,.page-head .btn-outline,.cta-band .btn-outline{color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn-outline:hover,.page-head .btn-outline:hover,.cta-band .btn-outline:hover{background:#fff;color:var(--navy);border-color:#fff}

/* Hero */
.hero{position:relative;background:radial-gradient(1200px 600px at 85% -10%,#12698a 0%,transparent 60%),linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 60%,#0B3A57 100%);color:#fff;overflow:hidden;padding:0}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:70px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80' preserveAspectRatio='none'%3E%3Cpath fill='%23ffffff' d='M0 40c120 30 240 40 360 20s240-50 360-40 240 40 360 40 240-30 360-20v40H0z'/%3E%3C/svg%3E") center/100% 100% no-repeat}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;padding-top:72px;padding-bottom:120px;align-items:center;position:relative;z-index:1}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--aqua),#7DE8F4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p,.hero p.lead{color:#CFE3EE}
.eyebrow-line{display:inline-flex;align-items:center;gap:10px;color:var(--aqua);font-size:.82rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px;background:rgba(22,193,216,.12);border:1px solid rgba(22,193,216,.35);padding:7px 14px;border-radius:999px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-checks{list-style:none;padding:0;margin:30px 0 0;display:flex;flex-wrap:wrap;gap:10px 22px;color:#CFE3EE;font-size:.93rem;font-weight:600}
.hero-checks li{margin:0;display:flex;gap:8px;align-items:center}
.hero-checks li::before{content:"✓";display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--aqua);color:var(--navy);font-size:.75rem;font-weight:900}
.hero-figure{margin:0;background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:20px;box-shadow:var(--shadow-lg);backdrop-filter:blur(6px)}
.hero-figure svg{width:100%;height:auto;display:block}
.hero-figure figcaption{font-size:.85rem;color:#9FC1D4;margin-top:12px;text-align:center}
@keyframes ping{0%{r:6;opacity:.9}100%{r:30;opacity:0}}
@keyframes drip{0%{transform:translateY(0);opacity:1}100%{transform:translateY(26px);opacity:0}}
.ping{animation:ping 2.2s ease-out infinite}.ping.d2{animation-delay:.7s}.ping.d3{animation-delay:1.4s}
.drip{animation:drip 1.6s ease-in infinite}
@media(prefers-reduced-motion:reduce){.ping,.drip{animation:none}}
@media(max-width:900px){.hero .wrap{grid-template-columns:1fr;padding-top:44px;padding-bottom:100px}}

/* Trust strip */
.trust{padding:0;border:0;margin-top:-34px;position:relative;z-index:2}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);border:1px solid var(--line);padding:0;overflow:hidden}
.trust-item{padding:22px 24px;display:flex;gap:14px;align-items:center;border-right:1px solid var(--line)}
.trust-item:last-child{border:0}
.trust-item svg{flex:none;width:36px;height:36px}
.trust-item strong{display:block;font-family:var(--font-display);color:var(--navy);font-size:.98rem;line-height:1.2}
.trust-item span{font-size:.84rem;color:var(--ink-soft);line-height:1.35;display:block}
@media(max-width:900px){.trust .wrap{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:520px){.trust .wrap{grid-template-columns:1fr}.trust-item{border-right:0;border-bottom:1px solid var(--line)}}

/* Sections */
section{padding:84px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center p{margin-left:auto;margin-right:auto}
.section-tag{display:inline-block;font-size:.78rem;color:var(--teal);font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px;background:var(--aqua-soft);padding:6px 12px;border-radius:999px}
.panel-alt{background:var(--sky)}

/* Service cards */
.service-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:22px}
.service-row{position:relative;display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px 24px;transition:.25s;overflow:hidden}
.service-row::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--aqua),var(--teal));transform:scaleX(0);transform-origin:left;transition:.3s}
.service-row:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.service-row:hover::before{transform:scaleX(1)}
.service-row .ico{width:50px;height:50px;border-radius:14px;background:var(--aqua-soft);display:grid;place-items:center;color:var(--teal)}
.service-row .ico svg{width:26px;height:26px}
.service-row a.title{text-decoration:none;color:var(--navy);font-family:var(--font-display);font-size:1.12rem;font-weight:700;line-height:1.25}
.service-row a.title::after{content:"";position:absolute;inset:0}
.service-row p{margin:0;font-size:.95rem}
.service-row .arrow{margin-top:auto;color:var(--teal);font-weight:800;text-decoration:none;font-size:.93rem;position:relative;z-index:1}
.service-row>div{display:flex;flex-direction:column;gap:8px}

/* Grids */
.grid-3,.grid-2{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3>*,.grid-2>*{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;transition:.25s}
.grid-3>*:hover,.grid-2>*:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.panel-alt .grid-3>*,.panel-alt .grid-2>*{background:#fff}
.grid-3 h3,.grid-2 h3{margin-bottom:10px;color:var(--navy)}
.grid-3 p,.grid-2 p{margin:0;font-size:.97rem}
@media(max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr}}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;position:relative}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--aqua),var(--teal));color:#fff;font-family:var(--font-display);font-weight:800;margin-bottom:16px}
.step h3{margin-bottom:8px}.step p{margin:0;font-size:.95rem}
@media(max-width:980px){.steps{grid-template-columns:1fr 1fr}}@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* Signs */
.signs-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.signs-list li{margin:0;display:grid;grid-template-columns:34px 1fr;gap:4px 14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.signs-list li::before{content:"💧";grid-row:1/3;font-size:1.3rem;width:34px;height:34px;display:grid;place-items:center;background:var(--aqua-soft);border-radius:10px}
.signs-list li strong{color:var(--navy);font-family:var(--font-display);font-size:1rem;line-height:1.3}
.signs-list li span{color:var(--ink-soft);font-size:.93rem;grid-column:2}
@media(max-width:760px){.signs-list{grid-template-columns:1fr}}

/* Local split */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.split .map-card{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;border-radius:24px;padding:34px;box-shadow:var(--shadow-lg)}
.map-card h3{color:#fff;font-size:1.3rem}.map-card p,.map-card li{color:#CFE3EE}
.map-card ul{list-style:none;padding:0;margin:16px 0 22px}
.map-card li::before{content:"📍";margin-right:10px}
.map-card a.tel{color:var(--orange);font-weight:800;font-size:1.4rem;text-decoration:none;font-family:var(--font-display)}
@media(max-width:860px){.split{grid-template-columns:1fr}}

/* FAQ */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0;margin-bottom:12px;transition:.2s}
.faq-item[open]{border-color:var(--aqua);box-shadow:var(--shadow)}
.faq-item summary{cursor:pointer;font-family:var(--font-display);font-weight:700;color:var(--navy);font-size:1.03rem;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:20px 24px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--teal);font-size:1.5rem;line-height:1;flex:none}
.faq-item[open] summary::after{content:"−"}
.faq-item .a{padding:0 24px 20px}.faq-item .a p{margin:0}

/* CTA */
.cta-band{background:radial-gradient(800px 300px at 90% 0,#12698a,transparent 60%),linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:0;position:relative;overflow:hidden}
.cta-band .wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:64px 24px}
.cta-band h2{color:#fff;margin:0 0 8px}.cta-band p{color:#CFE3EE;margin:0}

/* Related links */
.related{padding:56px 0;background:var(--sky)}
.related h2{font-size:1.4rem}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chips a{text-decoration:none;background:#fff;border:1px solid var(--line);color:var(--navy);font-weight:700;font-size:.9rem;padding:9px 16px;border-radius:999px;transition:.2s}
.chips a:hover{background:var(--navy);color:#fff;border-color:var(--navy)}

/* Breadcrumbs + page head */
.breadcrumbs{font-size:.85rem;color:var(--ink-soft);padding:14px 24px}
.breadcrumbs a{text-decoration:none;color:var(--teal);font-weight:600}
.breadcrumbs .sep{margin:0 8px;color:#9DB2C0}
.page-head{position:relative;background:radial-gradient(900px 400px at 90% -20%,#12698a,transparent 60%),linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;padding:64px 0 72px;overflow:hidden}
.page-head::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:44px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 80' preserveAspectRatio='none'%3E%3Cpath fill='%23ffffff' d='M0 40c120 30 240 40 360 20s240-50 360-40 240 40 360 40 240-30 360-20v40H0z'/%3E%3C/svg%3E") center/100% 100% no-repeat}
.page-head h1{color:#fff;font-size:clamp(2rem,4.2vw,3.1rem)}
.page-head p.lead{color:#CFE3EE;margin-top:10px}
.page-head .section-tag{background:rgba(22,193,216,.15);color:var(--aqua);border:1px solid rgba(22,193,216,.35)}
.page-head+section,.page-head+.wrap{padding-top:70px}
article.wrap h2{margin-top:1.6em}

/* Form */
.contact-form{display:grid;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-row{display:grid;gap:16px;grid-template-columns:1fr 1fr}
@media(max-width:700px){.form-row{grid-template-columns:1fr}}
label{display:block;font-weight:700;font-size:.9rem;margin-bottom:6px;color:var(--navy)}
input,select,textarea{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;font-family:var(--font-body);font-size:.98rem;background:var(--sky);color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--aqua);background:#fff;box-shadow:0 0 0 4px rgba(22,193,216,.2)}
textarea{min-height:120px;resize:vertical}
fieldset{border:none;padding:0;margin:0}
@media(max-width:860px){section>.wrap[style*="grid-template-columns"]{grid-template-columns:1fr!important;gap:32px!important}}

/* Footer */
.site-footer{background:var(--navy);color:#B9D3E3;padding:64px 0 28px;font-size:.93rem}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;letter-spacing:.02em}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-grid a{text-decoration:none;color:#B9D3E3}.footer-grid a:hover{color:var(--aqua)}
.footer-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.footer-grid p{color:#B9D3E3}
.footer-bottom{border-top:1px solid #16344F;margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#7FA0B6;font-size:.84rem}
.footer-bottom a{color:#7FA0B6;text-decoration:none}.footer-bottom a:hover{color:#fff}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}