/* Attleboro Leak Pros — design system. Mobile-first. Navy #0B2545 + Orange #F97316. */
:root{
  --navy-950:#071a35; --navy-900:#0b2545; --navy-800:#12325c; --navy-700:#1a4276;
  --navy-600:#245691; --navy-100:#dbe6f5; --navy-50:#eef4fb;
  --accent-700:#c2570a; --accent-600:#ea6a0e; --accent-500:#f97316; --accent-100:#fee3cb; --accent-50:#fff4e8;
  --ink:#14233a; --muted:#5a6b84; --line:#e2e8f2; --white:#ffffff;
  --offwhite:#f7fafd; --dark:#07182e;
  --radius:20px; --shadow-sm:0 1px 2px rgba(11,37,69,.06),0 2px 8px rgba(11,37,69,.06);
  --shadow-md:0 6px 18px rgba(11,37,69,.10),0 2px 6px rgba(11,37,69,.08);
  --shadow-lg:0 18px 48px rgba(11,37,69,.18);
  --glow:0 0 0 1px rgba(249,115,22,.45),0 8px 28px rgba(249,115,22,.45);
  --font-head:'Sora',sans-serif; --font-body:'Inter',sans-serif;
  --pad-sec:64px; --pad-sec-lg:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);font-size:1.0625rem;line-height:1.7;color:var(--ink);background:var(--white);-webkit-font-smoothing:antialiased;padding-bottom:0}
img,svg{max-width:100%;height:auto}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.2;letter-spacing:-0.02em;color:var(--navy-900);margin:0 0 .75em}
h1{font-size:clamp(2.5rem,5.2vw,4.5rem);font-weight:800}
h2{font-size:clamp(2rem,3.6vw,3rem);font-weight:700}
h3{font-size:clamp(1.25rem,2vw,1.5rem);font-weight:700}
p{margin:0 0 1.1em;max-width:68ch}
a{color:var(--navy-700);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{color:var(--accent-600)}
.container{width:min(1200px,92%);margin-inline:auto}
.section{padding-block:var(--pad-sec)}
.section--off{background:var(--offwhite)}
.section--tint{background:var(--navy-50)}
.section--dark{background:var(--dark);color:#e8eef7}
.section--dark h1,.section--dark h2,.section--dark h3{color:#fff}
.section--dark p{color:#c7d3e4}
.section--dark a{color:var(--accent-500)}
.section--lg{padding-block:var(--pad-sec-lg)}
.divider{display:block;width:100%;height:70px;margin:-1px 0}
/* eyebrow */
.eyebrow{display:inline-block;font-family:var(--font-head);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--accent-600);margin-bottom:.9rem}
.section--dark .eyebrow{color:var(--accent-500)}
.lede{font-size:1.125rem;color:var(--muted);max-width:68ch}
.section--dark .lede{color:#b9c6da}
/* skip link + focus */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent-500);color:#fff;padding:.8rem 1.2rem;z-index:200;border-radius:0 0 8px 0;font-weight:700}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--accent-500);outline-offset:3px;border-radius:6px}
/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none}
.brand-name{font-family:var(--font-head);font-weight:800;font-size:1.08rem;color:var(--navy-900);letter-spacing:-0.01em;line-height:1.15}
.brand-name small{display:block;font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:1.5rem}
.nav-links{display:flex;align-items:center;gap:1.4rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--navy-900);font-weight:600;font-size:.95rem;text-decoration:none;padding:.5rem 0}
.nav-links a:hover{color:var(--accent-600)}
.nav-cta{display:flex;align-items:center;gap:.6rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:.7rem;min-width:44px;min-height:44px}
.nav-toggle svg{width:26px;height:26px;stroke:var(--navy-900);stroke-width:2}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-family:var(--font-head);font-weight:700;font-size:1rem;border-radius:999px;padding:.95rem 1.7rem;text-decoration:none;cursor:pointer;border:2px solid transparent;min-height:44px;transition:transform .18s ease,box-shadow .18s ease}
.btn svg{width:20px;height:20px;stroke:currentColor;stroke-width:2;fill:none}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);color:#fff}
.btn-outline{border-color:var(--navy-900);color:var(--navy-900);background:transparent}
.btn-outline:hover{background:var(--navy-900);color:#fff}
.btn-light{background:#fff;color:var(--navy-900)}
.btn-light:hover{transform:translateY(-2px);color:var(--navy-900)}
.btn-navy{background:var(--navy-900);color:#fff}
.btn-navy:hover{color:#fff;transform:translateY(-2px)}
/* hero */
.hero{position:relative;overflow:hidden;background:var(--navy-950);color:#fff;padding:clamp(3.5rem,7vw,6.5rem) 0 clamp(3rem,5vw,4.5rem)}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 480px at 12% 8%,rgba(249,115,22,.28),transparent 60%),
  radial-gradient(760px 520px at 88% 18%,rgba(36,86,145,.55),transparent 60%),
  radial-gradient(620px 620px at 55% 105%,rgba(249,115,22,.12),transparent 60%),
  linear-gradient(160deg,#0b2545 0%,#071a35 70%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E")}
.hero-inner{position:relative;z-index:1;display:grid;gap:2.5rem;align-items:center}
.hero-copy .eyebrow{color:var(--accent-500)}
.hero h1{color:#fff;margin-bottom:.6rem}
.hero h1 .hl{background:linear-gradient(120deg,var(--accent-500),#fbbf24);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:#c9d6e8;font-size:1.125rem;max-width:56ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:1rem;margin:1.6rem 0 1rem}
.hero-fine{font-size:.8rem;color:#93a5bf;max-width:60ch;margin:0}
.hero-fine a{color:#b8c6dd}
.trust-chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem;list-style:none;padding:0}
.trust-chips li{display:inline-flex;align-items:center;gap:.45rem;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(6px);border-radius:999px;padding:.45rem .95rem;font-size:.85rem;font-weight:600;color:#e6edf7}
.trust-chips svg{width:16px;height:16px;stroke:var(--accent-500);stroke-width:2;fill:none}
.hero-art{position:relative}
.tank-scene{width:100%;height:auto;filter:drop-shadow(0 24px 44px rgba(0,0,0,.45))}
.glass-card{position:absolute;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(14px);border-radius:16px;padding:.9rem 1.05rem;color:#fff;box-shadow:var(--shadow-lg);max-width:230px}
.glass-card strong{display:flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-size:.92rem;margin-bottom:.25rem}
.glass-card strong svg{width:20px;height:20px;stroke:var(--accent-500);stroke-width:2;fill:none}
.glass-card p{font-size:.82rem;color:#d7e1f0;margin:0;line-height:1.5}
.gc-1{top:6%;left:-4%}
.gc-2{bottom:14%;right:-3%}
.gc-3{bottom:-6%;left:8%}
/* inner hero (subpages) */
.page-hero{background:linear-gradient(160deg,var(--navy-900),var(--navy-950));color:#fff;padding:clamp(2.6rem,5vw,4.2rem) 0;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 380px at 85% 0%,rgba(249,115,22,.22),transparent 60%)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.4vw,3.4rem);margin-bottom:.7rem}
.page-hero p{color:#c9d6e8;max-width:64ch}
.breadcrumbs{font-size:.85rem;color:#aebdd4;margin-bottom:1.1rem}
.breadcrumbs a{color:#d7e1f0}
/* cards / bento */
.grid-bento{display:grid;gap:1.25rem;grid-template-columns:1fr}
.bento-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;gap:.7rem;text-decoration:none;color:inherit}
.bento-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);color:inherit}
.bento-card h3{margin:0;font-size:1.3rem}
.bento-card h3 a{color:var(--navy-900);text-decoration:none}
.bento-card p{font-size:.98rem;color:var(--muted);margin:0}
.bento-card .go{margin-top:auto;display:inline-flex;align-items:center;gap:.4rem;font-weight:700;color:var(--accent-600);font-size:.95rem}
.bento-card .go svg{width:18px;height:18px;stroke:currentColor;stroke-width:2;fill:none}
.icon-tile{width:52px;height:52px;border-radius:14px;background:var(--navy-50);display:flex;align-items:center;justify-content:center;flex:none}
.icon-tile svg{width:26px;height:26px;stroke:var(--navy-700);stroke-width:2;fill:none}
.bento-card .tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-600)}
/* symptom checker */
.symptom-grid{display:grid;gap:1rem;grid-template-columns:1fr}
.symptom-card{background:#fff;border:1px solid var(--line);border-left:5px solid var(--accent-500);border-radius:14px;padding:1.3rem 1.4rem;box-shadow:var(--shadow-sm)}
.symptom-card h3{font-size:1.08rem;margin-bottom:.4rem}
.symptom-card p{font-size:.95rem;color:var(--muted);margin:0}
.symptom-card .verdict{margin-top:.6rem;font-weight:700;font-size:.9rem;color:var(--navy-800)}
.symptom-card .verdict a{color:var(--accent-600)}
/* callouts */
.callout{border:1px solid var(--line);border-left:6px solid var(--navy-600);background:var(--navy-50);border-radius:0 14px 14px 0;padding:1.2rem 1.4rem;margin:1.8rem 0;display:flex;gap:1rem;align-items:flex-start}
.callout svg{width:26px;height:26px;stroke:var(--navy-700);stroke-width:2;fill:none;flex:none;margin-top:.2rem}
.callout p{margin:0;font-size:.98rem}
.callout strong{color:var(--navy-900)}
.callout--warn{border-left-color:var(--accent-500);background:var(--accent-50)}
.callout--warn svg{stroke:var(--accent-600)}
/* process */
.process{list-style:none;margin:2.2rem 0 0;padding:0;display:grid;gap:2rem;position:relative}
.process li{position:relative;padding-left:0}
.step-num{font-family:var(--font-head);font-size:3.6rem;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:2px var(--accent-500);display:block;margin-bottom:.6rem}
.process h3{margin-bottom:.4rem}
.process p{color:var(--muted);font-size:.98rem;margin:0}
/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin:1.6rem 0;box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:560px}
th{background:var(--navy-900);color:#fff;text-align:left;padding:.9rem 1.1rem;font-family:var(--font-head);font-size:.88rem;letter-spacing:.02em}
td{padding:.85rem 1.1rem;border-top:1px solid var(--line);vertical-align:top}
tr:nth-child(even) td{background:var(--offwhite)}
/* faq */
.faq{border:1px solid var(--line);border-radius:14px;margin-bottom:.8rem;background:#fff;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.15rem 1.35rem;font-family:var(--font-head);font-weight:700;color:var(--navy-900);font-size:1.02rem;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq .plus{flex:none;width:30px;height:30px;border-radius:50%;background:var(--navy-50);display:flex;align-items:center;justify-content:center;transition:transform .25s ease,background .25s ease}
.faq .plus svg{width:16px;height:16px;stroke:var(--navy-700);stroke-width:2.5}
.faq[open] .plus{transform:rotate(45deg);background:var(--accent-100)}
.faq[open] .plus svg{stroke:var(--accent-600)}
.faq .faq-a{padding:0 1.35rem 1.3rem;color:var(--muted);font-size:.98rem}
.faq .faq-a p:last-child{margin-bottom:0}
/* checklist */
.check-list{list-style:none;padding:0;margin:1.4rem 0;display:grid;gap:.7rem}
.check-list li{display:flex;gap:.8rem;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:.9rem 1.1rem;font-size:.98rem}
.check-list svg{width:22px;height:22px;stroke:#16a34a;stroke-width:2.5;fill:none;flex:none;margin-top:.15rem}
/* cta band */
.cta-band{background:radial-gradient(800px 400px at 50% 0%,rgba(249,115,22,.25),transparent 65%),var(--dark);color:#fff;text-align:center;padding:clamp(3.5rem,7vw,5.5rem) 0;position:relative;overflow:hidden}
.cta-band h2{color:#fff}
.cta-band p{color:#c2cfe2;max-width:60ch;margin-inline:auto}
.cta-phone{display:inline-flex;align-items:center;gap:.8rem;font-family:var(--font-head);font-weight:800;font-size:clamp(1.8rem,5vw,3rem);color:#fff;text-decoration:none;margin:1.4rem 0;letter-spacing:-0.01em}
.cta-phone svg{width:1em;height:1em;stroke:var(--accent-500);stroke-width:2;fill:none}
.cta-band .btn-row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:.6rem}
/* split */
.split{display:grid;gap:2.2rem;align-items:center}
.split-art{background:var(--navy-50);border-radius:var(--radius);padding:1.6rem;border:1px solid var(--line)}
.split-art svg{width:100%;height:auto}
/* service layout */
.service-layout{display:grid;gap:2.5rem}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm)}
.toc h2{font-size:1.05rem;margin-bottom:.8rem}
.toc ol{margin:0;padding-left:1.2rem;display:grid;gap:.45rem;font-size:.94rem}
.call-card{background:linear-gradient(165deg,var(--navy-900),var(--navy-950));color:#fff;border-radius:var(--radius);padding:1.8rem;text-align:center;box-shadow:var(--shadow-md)}
.call-card h2{color:#fff;font-size:1.3rem}
.call-card p{color:#c2cfe2;font-size:.95rem}
.call-card .cta-phone{font-size:1.6rem;margin:.8rem 0}
.side-col{display:grid;gap:1.5rem;align-content:start}
/* area cards */
.area-grid{display:grid;gap:1.25rem;grid-template-columns:1fr}
.area-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-sm);text-decoration:none;color:inherit;transition:transform .2s ease,box-shadow .2s ease}
.area-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);color:inherit}
.area-card h3{margin-bottom:.5rem;font-size:1.2rem}
.area-card h3 a{color:var(--navy-900);text-decoration:none}
.area-card p{font-size:.95rem;color:var(--muted);margin:0}
/* how it works */
.hiw{background:var(--navy-50);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;margin:2rem 0}
.hiw h2{font-size:1.5rem}
.hiw ol{margin:0 0 1rem;padding-left:1.3rem;display:grid;gap:.6rem}
.hiw .fine{font-size:.82rem;color:var(--muted);margin:0}
/* footer */
.site-footer{background:var(--navy-950);color:#b9c6da;padding:3.5rem 0 0;font-size:.94rem}
.footer-grid{display:grid;gap:2.2rem;grid-template-columns:1fr}
.site-footer h2,.site-footer h3{color:#fff;font-size:1rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1rem}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer-links a{color:#b9c6da;text-decoration:none}
.footer-links a:hover{color:var(--accent-500)}
.footer-brand p{font-size:.92rem}
.footer-disclosure{border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding:1.6rem 0;font-size:.8rem;color:#8fa0b8}
.footer-disclosure p{margin:0 0 .6rem;max-width:100%}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.2rem 0;font-size:.82rem;color:#8fa0b8;display:flex;flex-wrap:wrap;gap:.8rem;justify-content:space-between}
/* sticky mobile call bar */
.call-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--navy-950);border-top:1px solid rgba(255,255,255,.14);padding:.7rem .9rem calc(.7rem + env(safe-area-inset-bottom));gap:.7rem}
.call-bar .btn{flex:1;padding:.85rem 1rem;font-size:1rem}
body.has-callbar{padding-bottom:86px}
/* fade-up */
.fade-up{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.fade-up.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.fade-up{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
/* ============ 640px ============ */
@media(min-width:640px){
  .grid-bento{grid-template-columns:1fr 1fr}
  .bento-card--big{grid-column:span 2}
  .symptom-grid{grid-template-columns:1fr 1fr}
  .area-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
/* ============ 768px ============ */
@media(min-width:768px){
  .hero-inner{grid-template-columns:1.05fr .95fr}
  .split{grid-template-columns:1fr 1fr}
  .split--flip>.split-copy{order:2}
  .gc-1{left:-2%}
  .process{grid-template-columns:1fr 1fr}
}
/* ============ 1024px ============ */
@media(min-width:1024px){
  body{font-size:1.125rem}
  .section{padding-block:var(--pad-sec-lg)}
  .nav-toggle{display:none}
  .nav-links{display:flex}
  .service-layout{grid-template-columns:minmax(0,1fr) 320px;align-items:start}
  .side-col{position:sticky;top:96px}
  .toc-mobile{display:none}
  .process{grid-template-columns:repeat(4,1fr)}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr}
  .call-bar{display:none}
  body.has-callbar{padding-bottom:0}
}
/* mobile nav panel */
@media(max-width:1023.98px){
  .nav-links{position:fixed;inset:0;background:var(--navy-950);flex-direction:column;justify-content:center;align-items:center;gap:1.2rem;z-index:150;transform:translateY(-100%);transition:transform .3s ease}
  .nav-links.open{transform:none}
  .nav-links a{color:#fff;font-size:1.4rem;font-family:var(--font-head)}
  .nav-toggle{display:block;z-index:160;position:relative}
  .nav-links.open ~ .nav-cta .nav-toggle svg{stroke:#fff}
  .nav-close{position:absolute;top:1.2rem;right:1.2rem;background:none;border:0;color:#fff;cursor:pointer;padding:.7rem;min-width:44px;min-height:44px}
  .nav-close svg{width:26px;height:26px;stroke:#fff;stroke-width:2}
  .nav-cta .btn span.lbl{display:none}
  .hero-art{max-width:520px;margin-inline:auto}
  .gc-1{left:0}.gc-2{right:0}.gc-3{left:4%}
  .toc-desktop{display:none}
}
@media(min-width:1024px){.nav-close{display:none}.toc-mobile{display:none}}
@media(min-width:1280px){.container{width:min(1240px,94%)}}
@media print{.call-bar,.site-header .nav-toggle{display:none}}