/* Hawthorne Leak Finders — "Radar" design system (v1, 2026-10-05)
   Unique system for leakdetectionhawthorneca.com. Zero JavaScript. */
:root{
  --ink:#0d1524;
  --midnight:#0f1b2d;
  --midnight-2:#0b1422;
  --steel:#2f6f9e;
  --sky:#7cc4e8;
  --sky-soft:#dceefb;
  --mist:#eaf2f9;
  --paper:#fafbfc;
  --amber:#f5a623;
  --amber-d:#d18a12;
  --ember:#e8442e;
  --ember-d:#c23220;
  --line:#d5e3ef;
  --muted:#4c6076;
  --radius:16px;
  --shadow:0 10px 30px rgba(13,21,36,.09);
  --font-h:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-b:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-b);color:var(--ink);background:var(--paper);line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;border-radius:12px}
a{color:var(--steel)}
h1,h2,h3{font-family:var(--font-h);line-height:1.18;color:var(--ink);letter-spacing:-.015em}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
section{padding:64px 0}

/* ---------- topbar ---------- */
.topbar{background:var(--midnight);color:#eaf4fd;font-size:14px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;gap:12px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none;font-weight:600}
.topbar .pulse{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--amber);margin-right:8px;box-shadow:0 0 0 4px rgba(245,166,35,.25)}

/* ---------- header ---------- */
.site-header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 14px rgba(13,21,36,.1)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 22px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-name{font-family:var(--font-h);font-weight:800;font-size:21px;color:var(--midnight);line-height:1.1}
.brand-sub{font-size:11px;letter-spacing:.22em;color:var(--steel);font-weight:600}
.nav-toggle{display:none}
.nav-links{display:flex;align-items:center;gap:26px;list-style:none}
.nav-links a{text-decoration:none;color:var(--ink);font-weight:600;font-size:15.5px}
.nav-links a:hover{color:var(--steel)}
.btn{display:inline-block;text-decoration:none;font-weight:700;border-radius:10px;padding:13px 28px;font-size:16px;transition:transform .15s,box-shadow .15s;border:2px solid transparent;cursor:pointer;font-family:var(--font-b)}
.btn-ember{background:var(--ember);color:#fff;box-shadow:0 8px 20px rgba(232,68,46,.32)}
.btn-ember:hover{background:var(--ember-d);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-steel{background:var(--steel);color:#fff}
.btn-steel:hover{background:var(--midnight)}
.btn-sm{padding:10px 22px;font-size:14.5px}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.hamburger span{width:26px;height:3px;background:var(--midnight);border-radius:2px}

/* ---------- hero ---------- */
.hero{background:radial-gradient(1000px 500px at 80% -10%,rgba(124,196,232,.28),transparent 60%),linear-gradient(135deg,var(--midnight) 0%,var(--midnight-2) 70%);color:#fff;position:relative;overflow:hidden;padding:84px 0 96px}
.hero .radar{position:absolute;right:-140px;top:-140px;width:580px;height:580px;opacity:.55;pointer-events:none}
.hero h1{color:#fff;font-size:clamp(32px,5vw,54px);font-weight:800;max-width:740px}
.hero .tagline{font-size:19px;color:#c3d9ec;max-width:640px;margin:18px 0 30px}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);margin-bottom:14px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.breadcrumb{font-size:14px;color:#9db8d2;margin-bottom:18px}
.breadcrumb a{color:#d5e9f9;text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}

/* ---------- sections ---------- */
.band{background:var(--paper)}
.band-mist{background:var(--mist)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(26px,3.6vw,38px);font-weight:800;margin:10px 0 12px}
.sec-head p{color:var(--muted);font-size:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:transform .15s;border-top:4px solid var(--sky)}
.card:hover{transform:translateY(-4px)}
.card h3{font-size:20px;margin-bottom:10px}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--steel)}
.card p{color:var(--muted);font-size:15.5px}
.card .more{font-weight:700;font-size:15px;margin-top:12px;display:inline-block}
.icon-badge{width:52px;height:52px;border-radius:12px;background:var(--sky-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px}

/* signs */
.signs{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.signs ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.signs li{padding-left:34px;position:relative;font-size:16px}
.signs li::before{content:"";position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;background:var(--sky-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M14.5 6.5l-6 6-3-3' fill='none' stroke='%232f6f9e' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E") center/12px no-repeat}

/* process */
.steps{counter-reset:step;display:grid;gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px 24px 92px;position:relative;box-shadow:var(--shadow)}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:26px;top:24px;width:44px;height:44px;border-radius:10px;background:var(--midnight);color:var(--amber);font-family:var(--font-h);font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center}
.step h3{font-size:18px;margin-bottom:6px}
.step p{color:var(--muted);font-size:15.5px}

/* faq */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:700;font-family:var(--font-h);font-size:16.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:var(--ember);font-weight:400;flex-shrink:0}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-a{padding:0 22px 20px;color:var(--muted);font-size:16px}

/* cta band */
.cta-band{background:linear-gradient(135deg,var(--ember) 0%,var(--ember-d) 100%);border-radius:20px;padding:54px 48px;color:#fff;text-align:center;box-shadow:0 16px 40px rgba(232,68,46,.3)}
.cta-band h2{color:#fff;font-size:clamp(26px,3.6vw,38px);margin-bottom:12px}
.cta-band p{color:#ffe4de;max-width:620px;margin:0 auto 28px;font-size:18px}
.cta-band .btn-ember{background:#fff;color:var(--ember-d);box-shadow:0 8px 20px rgba(0,0,0,.2)}
.big-phone{font-family:var(--font-h);font-size:clamp(28px,4.5vw,44px);font-weight:800;color:#fff;text-decoration:none;display:block;margin:6px 0 22px}

/* content */
.prose{max-width:800px}
.prose p{margin-bottom:18px}
.prose h2{font-size:clamp(24px,3vw,32px);margin:44px 0 14px;font-weight:800}
.prose h3{font-size:20px;margin:30px 0 10px}
.prose ul{margin:0 0 20px 22px}
.prose li{margin-bottom:8px}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:sticky;top:110px}
.toc h3{font-size:16px;margin-bottom:12px}
.toc ul{list-style:none}
.toc li{margin-bottom:8px;font-size:15px}
.toc a{text-decoration:none;color:var(--muted)}
.toc a:hover{color:var(--steel)}

/* safety notice */
.safety{background:#fff7e6;border:1.5px solid var(--amber);border-radius:var(--radius);padding:24px 28px;margin:28px 0}
.safety h3{color:#8a5a00;margin-bottom:8px;font-size:18px}
.safety p{margin-bottom:10px}
.safety strong{color:var(--ink)}

/* footer */
.site-footer{background:var(--ink);color:#b9c9da;padding:60px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.site-footer h4{color:#fff;font-family:var(--font-h);font-size:16px;margin-bottom:16px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:10px}
.site-footer a{color:#b9c9da;text-decoration:none}
.site-footer a:hover{color:var(--sky)}
.footer-brand{font-family:var(--font-h);font-weight:800;color:#fff;font-size:20px;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13.5px;color:#7e93a9}

/* mobile call bar */
.call-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;background:#fff;border-top:1px solid var(--line);padding:10px 14px;box-shadow:0 -4px 18px rgba(13,21,36,.12)}
.call-bar .btn{width:100%;text-align:center}

/* forms */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.form-card label{display:block;font-weight:600;font-size:15px;margin:16px 0 6px}
.form-card input,.form-card select,.form-card textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;font-family:var(--font-b);font-size:16px;background:var(--paper)}
.form-card input:focus,.form-card select:focus,.form-card textarea:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 3px rgba(124,196,232,.3)}
.form-card textarea{min-height:130px;resize:vertical}
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

/* blog */
.post-card{display:flex;flex-direction:column}
.post-meta{font-size:13.5px;color:var(--muted);margin-bottom:10px}

/* responsive */
@media(max-width:900px){
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .toc{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .signs ul{grid-template-columns:1fr}
}
@media(max-width:760px){
  .nav-links{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:0 22px;gap:0;max-height:0;overflow:hidden;transition:max-height .25s;box-shadow:0 12px 24px rgba(13,21,36,.1)}
  .nav-links li{border-top:1px solid var(--line)}
  .nav-links a{display:block;padding:15px 4px}
  .nav-toggle:checked ~ .nav-links{max-height:420px}
  .hamburger{display:flex}
  .header-cta{display:none}
  .call-bar{display:block}
  body{padding-bottom:76px}
  section{padding:48px 0}
  .cta-band{padding:40px 26px}
  .footer-grid{grid-template-columns:1fr}
  .topbar .wrap{justify-content:center;text-align:center}
}