:root{
  --navy:#0E1B26;        /* uniform navy — primary dark */
  --navy-2:#13242F;      /* card surface on dark */
  --porcelain:#EEF2F4;   /* cool light section bg */
  --white:#FFFFFF;
  --copper:#F6BB1A;      /* primary accent — logo gold */
  --copper-lt:#FFD158;   /* hover / highlights on dark */
  --gold-dk:#9C7400;     /* gold accent readable on light bg */
  --tx-red:#B32035;      /* logo star red — emergency */
  --tx-blue:#283474;     /* logo star blue */
  --ink:#16242E;         /* body text on light */
  --slate:#5A6B77;       /* secondary text on light */
  --mist:#A9BAC4;        /* secondary text on dark */
  --line:rgba(255,255,255,.12);
  --line-lt:#D7DEE3;
  --disp:'Barlow Condensed',sans-serif;
  --body:'Barlow',sans-serif;
  --mono:'IBM Plex Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{font-family:var(--body);color:var(--ink);background:var(--white);line-height:1.6;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

/* ---------- utility ---------- */
.tag{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;display:inline-flex;align-items:center;gap:10px;color:var(--gold-dk);font-weight:500}
.tag::before{content:"";width:26px;height:1px;background:var(--gold-dk)}
.hero .tag,.commercial .tag,.final .tag{color:var(--copper)}
.hero .tag::before,.commercial .tag::before,.final .tag::before{background:var(--copper)}
h1,h2,h3{font-family:var(--disp);line-height:1.04;font-weight:700;letter-spacing:.005em}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:600;font-size:19px;letter-spacing:.04em;text-transform:uppercase;text-decoration:none;padding:15px 28px;border-radius:4px;transition:transform .15s ease, background .15s ease, color .15s ease;cursor:pointer}
.btn:focus-visible{outline:3px solid var(--copper-lt);outline-offset:2px}
.btn-copper{background:var(--copper);color:var(--navy)}
.btn-copper:hover{background:var(--copper-lt);transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line);color:#fff}
.btn-ghost:hover{border-color:var(--copper-lt);color:var(--copper-lt)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:#1B3242;transform:translateY(-1px)}
.arrow{font-family:var(--body);font-weight:600}

/* ---------- emergency strip ---------- */
.strip{background:var(--tx-red);color:#fff;font-family:var(--mono);font-size:13px;letter-spacing:.06em}
.strip .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:9px;padding-bottom:9px;gap:12px;flex-wrap:wrap}
.strip a{color:#fff;text-decoration:none;font-weight:500;white-space:nowrap}
.strip a:hover{text-decoration:underline}
.pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:#fff;margin-right:8px;animation:blink 2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- header ---------- */
header{background:var(--navy);position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:92px;gap:20px}
.brand{display:flex;align-items:center;text-decoration:none}
.logo-img{height:68px;width:auto}
@media(max-width:560px){.logo-img{height:52px}header .wrap{height:76px}}
nav{display:flex;gap:30px}
nav a{color:var(--mist);text-decoration:none;font-size:15px;font-weight:500;transition:color .15s}
nav a:hover{color:#fff}
.hdr-cta{display:flex;align-items:center;gap:16px}
.hdr-phone{font-family:var(--disp);font-size:20px;font-weight:600;color:#fff;text-decoration:none;letter-spacing:.03em;white-space:nowrap}
.hdr-phone small{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.2em;color:var(--mist);font-weight:400}
.hdr-cta .btn{font-size:16px;padding:11px 20px}
@media(max-width:920px){nav{display:none}}
@media(max-width:560px){.hdr-cta .btn{display:none}}

/* ---------- hero ---------- */
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;padding-top:88px;padding-bottom:96px;position:relative}
.hero h1{font-size:clamp(46px,6vw,76px);text-transform:uppercase;margin:18px 0 22px}
.hero h1 em{font-style:normal;color:var(--copper-lt)}
.hero p.lead{font-size:19px;color:var(--mist);max-width:54ch;margin-bottom:34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-note{font-family:var(--mono);font-size:12px;color:var(--mist);letter-spacing:.05em}
.hero-note b{color:var(--copper-lt);font-weight:500}
/* schematic panel — the signature */
.gauge-panel{background:var(--navy-2);border:1px solid var(--line);border-radius:6px;padding:30px 28px;align-self:center;position:relative}
.gauge-panel::before{content:"FIELD REPORT — SA-0610";position:absolute;top:-9px;left:20px;background:var(--navy);padding:0 10px;font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--copper-lt)}
.readout{display:flex;justify-content:space-between;align-items:baseline;padding:13px 0;border-bottom:1px dashed var(--line);font-family:var(--mono);font-size:13px}
.readout:last-of-type{border-bottom:none}
.readout .k{color:var(--mist);letter-spacing:.05em}
.readout .v{color:#fff;font-weight:500}
.readout .v.pass{color:#7BC98A}
.gauge-bar{height:6px;background:rgba(255,255,255,.08);border-radius:3px;margin:18px 0 6px;overflow:hidden}
.gauge-bar i{display:block;height:100%;width:78%;background:linear-gradient(90deg,var(--copper),var(--copper-lt));border-radius:3px}
.gauge-cap{font-family:var(--mono);font-size:11px;color:var(--mist);letter-spacing:.08em;display:flex;justify-content:space-between}
@media(max-width:880px){.hero .wrap{grid-template-columns:1fr;padding-top:64px;padding-bottom:64px}.gauge-panel{max-width:480px}}

/* ---------- trust strip ---------- */
.trust{background:var(--porcelain);border-bottom:1px solid var(--line-lt)}
.trust .wrap{display:flex;justify-content:space-between;gap:14px;padding-top:18px;padding-bottom:18px;flex-wrap:wrap}
.trust span{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
.trust span b{color:var(--gold-dk);font-weight:500;margin-right:7px}

/* ---------- sections ---------- */
section{padding:92px 0}
.sec-head{max-width:760px;margin-bottom:54px}
.sec-head h2{font-size:clamp(36px,4.4vw,54px);text-transform:uppercase;margin:16px 0 14px}
.sec-head p{color:var(--slate);font-size:18px}

/* ---------- commercial ---------- */
.commercial{background:var(--navy);color:#fff}
.commercial .sec-head p{color:var(--mist)}
.facility-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:60px}
.fac{background:var(--navy-2);border:1px solid var(--line);border-radius:6px;padding:24px 22px;transition:border-color .15s}
.fac:hover{border-color:var(--copper)}
.fac h3{font-size:23px;text-transform:uppercase;margin-bottom:8px;letter-spacing:.02em}
.fac p{font-size:14.5px;color:var(--mist);line-height:1.55}
.fac .n{font-family:var(--mono);font-size:11px;color:var(--copper-lt);letter-spacing:.16em;display:block;margin-bottom:14px}
@media(max-width:980px){.facility-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.facility-grid{grid-template-columns:1fr}}
.program{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;background:var(--navy-2);border:1px solid var(--line);border-radius:8px;padding:48px}
.program h3{font-size:34px;text-transform:uppercase;margin-bottom:16px}
.program p{color:var(--mist);margin-bottom:26px}
.program ul{list-style:none}
.program li{padding:13px 0;border-bottom:1px dashed var(--line);display:flex;gap:14px;font-size:16px;align-items:baseline}
.program li:last-child{border-bottom:none}
.program li::before{content:"▸";color:var(--copper-lt);font-size:14px}
@media(max-width:880px){.program{grid-template-columns:1fr;padding:32px}}

/* ---------- backflow band ---------- */
.backflow{background:var(--copper);color:var(--navy);padding:56px 0}
.backflow .wrap{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.backflow h2{font-size:clamp(30px,3.6vw,42px);text-transform:uppercase;margin-bottom:10px}
.backflow p{max-width:62ch;font-size:17px;color:#3B2F08}
.backflow .btn{background:var(--navy);color:#fff;white-space:nowrap}
.backflow .btn:hover{background:#1B3242}
.backflow .tag{color:var(--navy)}.backflow .tag::before{background:var(--navy)}
@media(max-width:780px){.backflow .wrap{grid-template-columns:minmax(0,1fr)}.backflow .btn{white-space:normal;justify-self:start}}

/* ---------- services ---------- */
.services{background:var(--porcelain)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.svc{background:#fff;border:1px solid var(--line-lt);border-radius:6px;padding:30px 28px;transition:transform .15s,box-shadow .15s}
.svc:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(14,27,38,.08)}
.svc h3{font-size:24px;text-transform:uppercase;margin-bottom:10px}
.svc p{font-size:15.5px;color:var(--slate);line-height:1.6}
.svc .mono{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--gold-dk);display:block;margin-bottom:14px;text-transform:uppercase}
@media(max-width:920px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.svc-grid{grid-template-columns:1fr}}

/* ---------- residential ---------- */
.resi .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.resi h2{font-size:clamp(34px,4vw,50px);text-transform:uppercase;margin:16px 0 16px}
.resi p{color:var(--slate);margin-bottom:14px}
.resi .btn{margin-top:14px}
.resi-card{background:var(--navy);color:#fff;border-radius:8px;padding:40px 36px}
.resi-card h3{font-size:26px;text-transform:uppercase;margin-bottom:18px}
.resi-card ul{list-style:none}
.resi-card li{padding:11px 0;border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--mist);display:flex;gap:12px;align-items:baseline}
.resi-card li:last-child{border:none}
.resi-card li::before{content:"▸";color:var(--copper-lt);font-size:13px}
@media(max-width:840px){.resi .wrap{grid-template-columns:1fr}}

/* ---------- testimonials ---------- */
.testi{background:var(--porcelain)}
.t-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.t-card{background:#fff;border:1px solid var(--line-lt);border-radius:6px;padding:30px 28px;display:flex;flex-direction:column;gap:18px}
.t-card blockquote{font-size:16.5px;line-height:1.65;color:var(--ink);flex:1}
.t-card blockquote::before{content:"“";font-family:var(--disp);font-size:46px;color:var(--gold-dk);display:block;line-height:.5;margin-bottom:12px}
.t-card cite{font-style:normal;font-family:var(--disp);font-size:18px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.t-card cite small{display:block;font-family:var(--mono);font-size:11px;color:var(--slate);letter-spacing:.1em;font-weight:400;margin-top:3px}
.stars{color:var(--gold-dk);letter-spacing:3px;font-size:14px}
@media(max-width:880px){.t-grid{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px}
details{border:1px solid var(--line-lt);border-radius:6px;margin-bottom:12px;background:#fff;overflow:hidden}
summary{cursor:pointer;padding:20px 24px;font-family:var(--disp);font-size:21px;font-weight:600;text-transform:uppercase;letter-spacing:.02em;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--mono);color:var(--gold-dk);font-size:20px;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details[open] summary{border-bottom:1px solid var(--line-lt)}
details .body{padding:18px 24px 24px;color:var(--slate);font-size:16px}
summary:focus-visible{outline:3px solid var(--gold-dk);outline-offset:-3px}

/* ---------- final CTA ---------- */
.final{background:var(--navy);color:#fff;text-align:center}
.final h2{font-size:clamp(38px,5vw,62px);text-transform:uppercase;margin:18px 0 16px}
.final h2 em{font-style:normal;color:var(--copper-lt)}
.final p{color:var(--mist);max-width:58ch;margin:0 auto 36px}
.final .hero-ctas{justify-content:center}
.final .tag{justify-content:center;width:100%}


/* ---------- request / form ---------- */
.request{background:var(--white)}
.req-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.request h2{font-size:clamp(34px,4vw,50px);text-transform:uppercase;margin:16px 0 14px}
.req-lead{color:var(--slate);font-size:18px;margin-bottom:32px}
.req-lead a{color:var(--ink);text-decoration:none}
.req-lead a:hover{color:var(--gold-dk)}
.specials{display:flex;flex-direction:column;gap:12px}
.sp-card{border:1px solid var(--line-lt);border-radius:6px;padding:20px 22px 20px 96px;position:relative;background:var(--porcelain);transition:border-color .15s}
.sp-card:hover{border-color:var(--copper)}
.sp-card h3{font-size:21px;text-transform:uppercase;margin-bottom:4px}
.sp-card p{font-size:14.5px;color:var(--slate);line-height:1.5}
.sp-price{position:absolute;left:22px;top:50%;transform:translateY(-50%);font-family:var(--disp);font-size:34px;font-weight:700;color:var(--gold-dk)}
.sp-feature{background:var(--navy);border-color:var(--navy)}
.sp-feature h3{color:#fff}
.sp-feature p{color:var(--mist)}
.sp-feature .sp-price{color:var(--copper)}
.sp-note{font-family:var(--mono);font-size:12px;color:var(--slate);letter-spacing:.04em;margin-top:18px}
.form-shell{background:var(--porcelain);border:1px solid var(--line-lt);border-radius:8px;padding:10px;position:relative}
.form-shell-head{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--gold-dk);padding:12px 14px 10px;border-bottom:1px dashed var(--line-lt);margin-bottom:8px}
@media(max-width:880px){.req-grid{grid-template-columns:1fr}}

/* ---------- footer ---------- */
footer{background:#0A141C;color:var(--mist);padding:60px 0 36px;font-size:15px}
.f-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:48px;margin-bottom:44px}
.f-grid h4{font-family:var(--disp);font-size:18px;text-transform:uppercase;letter-spacing:.06em;color:#fff;margin-bottom:14px}
footer a{color:var(--mist);text-decoration:none}
footer a:hover{color:var(--copper-lt)}
footer li{list-style:none;padding:4px 0}
.f-bottom{border-top:1px solid var(--line);padding-top:24px;font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:780px){.f-grid{grid-template-columns:1fr}}

/* ---------- lead form (native, posts to send-lead.php) ---------- */
.skip{position:absolute;left:-9999px;top:0;background:var(--copper);color:var(--navy);padding:10px 16px;z-index:100;font-weight:600}
.skip:focus{left:16px;top:16px}
.f-logo{height:84px;width:auto;margin-bottom:18px}
.lead-form{padding:6px 14px 18px}
.lead-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.lead-form .row{grid-template-columns:1fr}}
.lead-form .fld{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.lead-form label,.lead-form legend{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--slate)}
.lead-form label .req{color:var(--tx-red)}
.lead-form input,.lead-form select,.lead-form textarea{font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid var(--line-lt);border-radius:4px;padding:12px 14px;width:100%}
.lead-form textarea{min-height:120px;resize:vertical}
.lead-form input:focus,.lead-form select:focus,.lead-form textarea:focus{outline:none;border-color:var(--gold-dk);box-shadow:0 0 0 3px rgba(246,187,26,.28)}
.lead-form fieldset{border:none;margin-bottom:14px}
.lead-form legend{margin-bottom:8px}
.lead-form .chk{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line-lt);border-radius:4px;padding:10px 12px;margin-bottom:8px;cursor:pointer;font-size:15px;text-transform:none;letter-spacing:0;font-family:var(--body);color:var(--ink)}
.chk input{width:18px;height:18px;accent-color:var(--gold-dk);flex:none}
.chk b{font-family:var(--disp);font-size:18px;color:var(--gold-dk);min-width:40px}
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.lead-form .btn{width:100%;justify-content:center;border:none;margin-top:4px}
.lead-form .btn[disabled]{opacity:.6;cursor:wait;transform:none}
.form-fine{font-size:13px;color:var(--slate);margin-top:12px}
.form-msg{display:none;border-radius:4px;padding:14px 16px;margin-bottom:14px;font-size:15.5px}
.form-msg.ok{display:block;background:#E6F4EA;border:1px solid #7BC98A;color:#1E4D2B}
.form-msg.err{display:block;background:#FBEAEC;border:1px solid var(--tx-red);color:#6E1320}

/* ---------- simple pages (thanks / 404) ---------- */
.simple{min-height:60vh;display:flex;align-items:center;background:var(--navy);color:#fff;text-align:center}
.simple h1{font-size:clamp(40px,6vw,68px);text-transform:uppercase;margin:18px 0 16px}
.simple h1 em{font-style:normal;color:var(--copper-lt)}
.simple p{color:var(--mist);max-width:56ch;margin:0 auto 32px}
.simple .tag{color:var(--copper)}.simple .tag::before{background:var(--copper)}
.simple .hero-ctas{justify-content:center}

/* ---------- mobile menu ---------- */
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:4px;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;transition:transform .2s,opacity .2s}
.nav-toggle:focus-visible{outline:3px solid var(--copper-lt);outline-offset:2px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:920px){
  header .wrap{position:relative}
  .nav-toggle{display:flex}
  nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--navy);border-bottom:1px solid var(--line);padding:6px 24px 14px;box-shadow:0 14px 30px rgba(0,0,0,.35)}
  nav.open{display:flex}
  nav a{padding:14px 0;border-bottom:1px dashed var(--line);font-family:var(--disp);font-size:20px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:#fff}
  nav a:last-child{border-bottom:none}
}

/* ---------- small-screen scaling (same look, tighter spacing) ---------- */
@media(max-width:700px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  section{padding:64px 0}
  .sec-head{margin-bottom:36px}
  .sec-head p,.book-intro>p,.req-lead{font-size:16.5px}
  .strip{font-size:11.5px}
  .strip .wrap{justify-content:center;text-align:center;padding-top:7px;padding-bottom:7px;gap:4px 12px}
  .hero .wrap{padding-top:48px;padding-bottom:56px;gap:40px}
  .hero p.lead{font-size:17px}
  .hero-ctas{flex-direction:column;align-items:stretch}
  .hero-ctas .btn{justify-content:center;text-align:center}
  .btn{font-size:17px;padding:14px 22px}
  .gauge-panel{padding:26px 18px}
  .readout{flex-direction:column;align-items:flex-start;gap:2px;font-size:12px}
  .program{padding:26px 20px;gap:28px}
  .program h3{font-size:28px}
  .facility-grid{margin-bottom:40px}
  .backflow{padding:44px 0}
  .backflow .btn{width:100%;justify-content:center;text-align:center}
  .resi .wrap{gap:36px}
  .resi .btn{width:100%;justify-content:center;text-align:center}
  .resi-card{padding:28px 22px}
  .svc,.t-card{padding:24px 20px}
  .sp-card{padding:18px 18px 18px 84px}
  .sp-price{left:18px;font-size:30px}
  .req-grid{gap:36px}
  .lead-form{padding:4px 8px 14px}
  summary{font-size:18px;padding:16px 18px}
  details .body{padding:14px 18px 20px;font-size:15.5px}
  .f-grid{gap:32px;margin-bottom:32px}
  .f-bottom{flex-direction:column}
}
@media(max-width:400px){
  .hdr-phone{font-size:17px}
  .hdr-phone small{font-size:8px}
  .logo-img{height:44px}
  .hdr-cta{gap:10px}
  .sp-card{padding:16px 16px 16px 16px}
  .sp-price{position:static;transform:none;display:block;font-size:28px;margin-bottom:2px}
}

/* keep anchored sections clear of the sticky header */
section[id]{scroll-margin-top:92px}
@media(max-width:560px){section[id]{scroll-margin-top:76px}}