/* ==========================================================================
   DFW BACKFLOW PROS — DESIGN SYSTEM (declared, held consistently)
   Palette   deep teal #0C3B3F / #0A2E31 (deep) / #12504F (mid)
             copper bronze #B4703A / #D08A4C (light) / #8A5227 (dark)
             paper #F6F3EE, line #DCD5CB, ink #16211F, muted #5C6866
   Type      Manrope (display / headings / UI) · DM Sans (body / long-form)
   Radius    2px system. No decorative rounding anywhere.
   Icons     custom inline SVG only, 1.6 stroke, square caps. No libraries.
   Grid      1280 container, 24px gutter, 8px spacing base, generous vertical rhythm

   Mobile-first: base styles target ~380px. Layout layers up at
   min-width:761px (mid) and min-width:1081px (desktop). No max-width queries.
   ========================================================================== */

:root{
  --teal:#0C3B3F; --teal-deep:#0A2E31; --teal-mid:#12504F; --teal-line:#1C5F5D;
  --copper:#B4703A; --copper-lt:#D08A4C; --copper-dk:#8A5227;
  --paper:#F6F3EE; --white:#FFFFFF; --line:#DCD5CB; --ink:#16211F; --muted:#5C6866;
  --r:2px;
  --display:'Manrope',system-ui,sans-serif;
  --body:'DM Sans',system-ui,sans-serif;
  --pad:clamp(20px,5vw,40px);
  --sec:clamp(64px,9vw,124px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,h4,h5{font-family:var(--display);margin:0;line-height:1.06;letter-spacing:-.03em;font-weight:800}
h1{font-size:clamp(2.5rem,6.2vw,4.5rem)}
h2{font-size:clamp(2rem,4.2vw,3.15rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem);letter-spacing:-.02em}
p{margin:0 0 1em}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--pad)}
.sec{padding:var(--sec) 0}
.sec-flush{padding-top:0}
.lede{font-size:clamp(1.06rem,1.6vw,1.22rem);color:var(--muted);max-width:60ch}
.rule{height:1px;background:var(--line);border:0;margin:0}
:focus-visible{outline:3px solid var(--copper);outline-offset:3px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;font-family:var(--display);font-weight:700;text-decoration:none;border:0;border-radius:var(--r);cursor:pointer;transition:.16s ease;letter-spacing:-.01em}
.btn svg{flex:none}
.btn-call{background:var(--copper);color:#fff;padding:16px 26px;font-size:1.25rem;line-height:1.05;width:100%;justify-content:center}
.btn-call small{display:block;font-size:.62rem;font-weight:700;letter-spacing:.13em;opacity:.9;margin-top:3px}
.btn-call:hover{background:var(--copper-lt)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45);padding:16px 26px;font-size:.95rem;width:100%;justify-content:center}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-solid{background:var(--teal);color:#fff;padding:15px 26px;font-size:.95rem}
.btn-solid:hover{background:var(--teal-mid)}
.btn-copper{background:var(--copper);color:#fff;padding:15px 26px;font-size:.95rem}
.btn-copper:hover{background:var(--copper-lt)}
.btn-line{background:transparent;color:var(--teal);border:1.5px solid var(--line);padding:14px 24px;font-size:.92rem}
.btn-line:hover{border-color:var(--teal);background:#fff}
.btn-sm{font-size:.86rem;padding:13px 20px}

/* ---------- alert bar ---------- */
.alertbar{background:var(--copper);color:#fff}
.alertbar .wrap{display:flex;align-items:center;justify-content:center;gap:clamp(12px,3vw,32px);min-height:46px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.alertbar p{display:none;margin:0;font-family:var(--display);font-weight:700;font-size:.8rem;letter-spacing:.05em;text-transform:uppercase;align-items:center;gap:9px}
.alertbar a.tel{font-family:var(--display);font-weight:800;font-size:1.06rem;color:#fff;text-decoration:none;letter-spacing:-.01em;display:flex;align-items:center;gap:8px}
.alertbar a.tel:hover{text-decoration:underline}
.alertbar .sched{background:#fff;color:var(--copper-dk);font-family:var(--display);font-weight:700;font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;padding:8px 15px;border-radius:var(--r);text-decoration:none}
.alertbar .sched:hover{background:var(--paper)}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:55;background:var(--teal-deep);color:#fff}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:78px}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:#fff}
.brand .bn{font-family:var(--display);font-weight:800;font-size:1.22rem;letter-spacing:-.025em;line-height:1}
.brand .bn em{font-style:normal;color:var(--copper-lt)}
nav.main{display:none;align-items:center;gap:2px}
nav.main a,nav.main button{font-family:var(--display);font-size:.87rem;font-weight:600;color:rgba(255,255,255,.88);text-decoration:none;padding:10px 12px;background:none;border:0;cursor:pointer;display:flex;align-items:center;gap:6px;border-radius:var(--r);letter-spacing:-.005em}
nav.main a:hover,nav.main button:hover{color:#fff;background:rgba(255,255,255,.09)}
.dd{position:relative}
.dd-menu{position:absolute;top:100%;left:0;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:8px;display:none;box-shadow:0 18px 44px rgba(10,46,49,.18)}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{display:block}
nav.main .dd-menu a{color:var(--ink);font-size:.87rem;font-weight:600;padding:10px 12px;display:block}
nav.main .dd-menu a:hover{background:var(--paper);color:var(--teal)}
nav.main .dd-menu a span{display:block;font-family:var(--body);font-weight:400;font-size:.76rem;color:var(--muted);margin-top:2px}
.hdr-cta{display:flex;align-items:center;gap:14px}
.hdr-tel{display:none;text-decoration:none;color:#fff;text-align:right;line-height:1.1}
.hdr-tel b{font-family:var(--display);font-weight:800;font-size:1.2rem;letter-spacing:-.02em;display:block}
.hdr-tel span{font-family:var(--display);font-size:.6rem;font-weight:600;letter-spacing:.14em;color:var(--copper-lt)}
.burger{display:block;background:none;border:1.5px solid rgba(255,255,255,.35);border-radius:var(--r);padding:10px;cursor:pointer}
#mnav{display:none;background:var(--teal-mid);border-top:1px solid var(--teal-line)}
#mnav.open{display:block}
#mnav a{display:block;padding:14px var(--pad);color:#fff;text-decoration:none;font-family:var(--display);font-weight:600;font-size:.95rem;border-bottom:1px solid rgba(255,255,255,.09)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--teal-deep);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 520px at 76% 18%,rgba(180,112,58,.30),transparent 62%),
  linear-gradient(180deg,#0A2E31 0%,#0C3B3F 58%,#0A2E31 100%)}
.hero-grid{position:relative;display:grid;gap:clamp(28px,5vw,72px);align-items:center;padding:clamp(52px,7vw,92px) 0 clamp(40px,5vw,64px)}
.flag{display:inline-flex;align-items:center;gap:10px;background:rgba(208,138,76,.16);border:1px solid rgba(208,138,76,.5);color:var(--copper-lt);font-family:var(--display);font-weight:700;font-size:.73rem;letter-spacing:.13em;text-transform:uppercase;padding:9px 15px;border-radius:var(--r);margin-bottom:26px}
.hero h1{margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--copper-lt);display:block}
.hero p.sub{font-size:clamp(1.04rem,1.6vw,1.2rem);color:rgba(255,255,255,.82);max-width:52ch;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.badges{display:flex;gap:10px;flex-wrap:wrap}
.badge{display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r);padding:11px 14px}
.badge b{font-family:var(--display);font-size:.82rem;font-weight:700;display:block;line-height:1.2}
.badge span{font-family:var(--display);font-size:.63rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.hero-art{position:relative}
.hero-art .frame{margin:0;border:1px solid var(--teal-line);border-radius:var(--r);overflow:hidden;background:#0A2E31}
.hero-art .frame img{width:100%;height:clamp(240px,34vw,400px);object-fit:cover}
.hero-art figcaption{font-family:var(--display);font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.55);padding:14px 18px;display:flex;justify-content:space-between;gap:12px;background:#0A2E31;border-top:1px solid var(--teal-line)}
.offer{margin-top:18px;background:var(--copper);border-radius:var(--r);padding:22px}
.offer h3{font-size:1.12rem;color:#fff;margin-bottom:6px}
.offer p{font-size:.88rem;color:rgba(255,255,255,.9);margin-bottom:14px}
.offer a{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--teal-deep);color:#fff;text-decoration:none;font-family:var(--display);font-weight:700;font-size:.88rem;padding:13px 17px;border-radius:var(--r)}
.offer a:hover{background:#000}

/* ---------- page hero (interior pages) ---------- */
.page-hero{position:relative;background:var(--teal-deep);color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(900px 520px at 76% 18%,rgba(180,112,58,.30),transparent 62%),
  linear-gradient(180deg,#0A2E31 0%,#0C3B3F 58%,#0A2E31 100%)}
.page-hero .wrap{position:relative;padding-top:clamp(48px,6vw,84px);padding-bottom:clamp(44px,6vw,76px)}
.page-hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);margin-bottom:16px}
.page-hero h1 em{font-style:normal;color:var(--copper-lt);display:block}
.page-hero p{font-size:clamp(1.02rem,1.5vw,1.18rem);color:rgba(255,255,255,.82);max-width:62ch;margin:0}
.page-hero .hero-cta{margin:28px 0 0}

/* ---------- trust strip ---------- */
.strip{background:var(--teal-mid);color:#fff}
.strip .wrap{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--teal-line)}
.strip .cell{background:var(--teal-mid);padding:26px 20px;display:flex;align-items:center;gap:13px}
.strip b{font-family:var(--display);font-size:.94rem;font-weight:700;display:block;line-height:1.2}
.strip span{font-family:var(--display);font-size:.63rem;font-weight:600;letter-spacing:.11em;text-transform:uppercase;color:rgba(255,255,255,.58)}

/* ---------- services + booking ---------- */
.split{display:grid;gap:clamp(32px,5vw,72px);align-items:start}
.split .lede{margin-top:20px}
.svc-grid{display:grid;gap:16px;margin-top:36px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;text-decoration:none;display:block;transition:.16s ease}
.svc:hover{border-color:var(--copper);transform:translateY(-2px)}
.svc .ic{color:var(--copper);margin-bottom:16px}
.svc h3{margin-bottom:7px}
.svc p{font-size:.9rem;color:var(--muted);margin:0}
.svc.urgent{background:var(--teal);border-color:var(--teal)}
.svc.urgent h3{color:#fff}
.svc.urgent p{color:rgba(255,255,255,.78)}
.svc.urgent .ic{color:var(--copper-lt)}

.book{background:var(--teal);border-radius:var(--r);padding:clamp(26px,3.4vw,38px);color:#fff}
.book h2{font-size:clamp(1.5rem,2.4vw,1.9rem);margin-bottom:8px}
.book>p{font-size:.93rem;color:rgba(255,255,255,.75);margin-bottom:24px}
.f2{display:grid;gap:12px}
.field{margin-bottom:12px}
.field label{display:block;font-family:var(--display);font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.62);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);border-radius:var(--r);color:#fff;font-family:var(--body);font-size:.95rem;padding:13px 14px}
.field textarea{resize:vertical;min-height:88px}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.42)}
.field select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 13px center}
.field select option{color:#16211F}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--copper-lt);background:rgba(255,255,255,.11)}
.field .invalid{border-color:var(--copper-lt)}
.book .submit{width:100%;justify-content:center;margin-top:6px;font-size:1.02rem;padding:17px}
.book .fine{display:flex;align-items:center;gap:8px;justify-content:center;font-size:.75rem;color:rgba(255,255,255,.6);margin:16px 0 0}
#ok{color:var(--copper-lt);font-weight:700}
.toggle{display:flex;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.2);border-radius:var(--r);padding:4px;margin-bottom:22px}
.toggle button{flex:1;background:none;border:0;color:rgba(255,255,255,.7);font-family:var(--display);font-weight:700;font-size:.83rem;padding:10px;border-radius:var(--r);cursor:pointer}
.toggle button[aria-pressed="true"]{background:var(--copper);color:#fff}

/* ---------- dispatch ---------- */
.dispatch{background:var(--teal-deep);color:#fff}
.dispatch .g{display:grid;gap:clamp(30px,5vw,68px);align-items:center}
.dispatch h2{color:#fff;margin-bottom:18px}
.dispatch h2 em{font-style:normal;color:var(--copper-lt)}
.dispatch .lede{color:rgba(255,255,255,.78)}
.dispatch .btn-copper{margin-top:26px}
.dlist{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:1px;background:var(--teal-line);border:1px solid var(--teal-line);border-radius:var(--r)}
.dlist li{background:var(--teal-deep);padding:18px 20px;display:flex;gap:14px;align-items:flex-start}
.dlist b{font-family:var(--display);font-size:.95rem;display:block;margin-bottom:3px}
.dlist span{font-size:.86rem;color:rgba(255,255,255,.7)}
.dlist .ck{color:var(--copper-lt);flex:none;margin-top:2px}
.dispatch .g>div:last-child img{width:100%;height:clamp(260px,30vw,420px);object-fit:cover;border:1px solid var(--teal-line);border-radius:var(--r)}

/* ---------- proof ---------- */
#proof .lede{margin-top:18px}
.proof{display:grid;gap:16px;margin-top:44px}
.pf{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px}
.pf .ic{color:var(--copper);margin-bottom:16px}
.pf b{font-family:var(--display);font-size:1rem;font-weight:700;display:block;margin-bottom:5px}
.pf span{font-size:.87rem;color:var(--muted)}
.guarantee{display:flex;align-items:center;gap:20px;background:var(--teal);color:#fff;border-radius:var(--r);padding:26px 30px;margin-top:16px;flex-wrap:wrap}
.guarantee b{font-family:var(--display);font-size:1.14rem}
.guarantee p{margin:4px 0 0;font-size:.92rem;color:rgba(255,255,255,.78);max-width:70ch}

/* ---------- reviews ---------- */
.rv-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap}
.score{display:flex;align-items:center;gap:16px;margin-top:14px}
.score .n{font-family:var(--display);font-size:3rem;font-weight:800;letter-spacing:-.04em;line-height:1}
.stars{display:flex;gap:3px;color:var(--copper)}
.rv-count{font-family:var(--display);font-size:.83rem;font-weight:600;color:var(--muted)}
.rv-grid{display:grid;gap:16px;margin-top:36px}
.rv{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column}
.rv .stars{margin-bottom:14px}
.rv p{font-size:.96rem;margin-bottom:20px;flex:1}
.rv cite{font-style:normal;font-family:var(--display);font-weight:700;font-size:.88rem;display:block}
.rv small{color:var(--muted);font-size:.78rem}

/* ---------- areas ---------- */
.areas{background:var(--teal);color:#fff}
.areas .g{display:grid;gap:clamp(30px,5vw,64px);align-items:center}
.areas h2{color:#fff}
.areas .lede{color:rgba(255,255,255,.78);margin-top:18px}
.areas .btn-copper{margin-top:30px}
.city-grid{display:grid;gap:10px 20px;margin-top:28px}
.city{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:600;font-size:.92rem}
.city .ck{color:var(--copper-lt);flex:none}
.map{border:1px solid var(--teal-line);border-radius:var(--r);overflow:hidden;background:var(--teal-deep)}
.map img{width:100%;height:clamp(260px,32vw,440px);object-fit:cover;display:block}

/* ---------- FAQ (open by design law) ---------- */
.faq-grid{display:grid;gap:16px 44px;margin-top:40px}
.qa{border-top:1px solid var(--line);padding-top:22px}
.qa h3{margin-bottom:9px}
.qa p{font-size:.94rem;color:var(--muted);margin:0}

/* ---------- financing ---------- */
.fin{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:clamp(28px,4vw,46px)}
.fin .lede{max-width:70ch}
.fin h2{margin-bottom:14px}
.fin ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.fin li{display:flex;gap:11px;align-items:flex-start;font-size:.95rem}
.fin li .ck{color:var(--copper);flex:none;margin-top:3px}
.fin .btn-solid{margin-top:28px}

/* ---------- final CTA + footer ---------- */
.finalcta{background:var(--copper);color:#fff}
.finalcta .wrap{display:grid;gap:clamp(22px,4vw,52px);align-items:center;padding-top:clamp(38px,5vw,58px);padding-bottom:clamp(38px,5vw,58px)}
.finalcta h2{color:#fff;font-size:clamp(1.7rem,3vw,2.5rem)}
.finalcta p{margin:10px 0 0;color:rgba(255,255,255,.9);max-width:52ch;font-size:.98rem}
.finalcta .tel{background:var(--teal-deep);color:#fff;text-decoration:none;font-family:var(--display);font-weight:800;font-size:clamp(1.5rem,2.6vw,2rem);padding:20px 30px;border-radius:var(--r);display:block;letter-spacing:-.02em;text-align:center}
.finalcta .tel small{display:block;font-size:.62rem;letter-spacing:.14em;font-weight:700;color:var(--copper-lt);margin-top:5px}
.finalcta .alt b{font-family:var(--display);font-weight:800;font-size:1.02rem;display:block}
.finalcta .alt span{font-size:.85rem;color:rgba(255,255,255,.86)}
.finalcta .alt a{color:#fff;text-decoration:underline}

footer{background:var(--teal-deep);color:rgba(255,255,255,.72);padding-top:clamp(52px,7vw,86px)}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,3vw,44px);padding-bottom:52px}
footer h4{font-family:var(--display);font-size:.68rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:18px}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
footer a{color:rgba(255,255,255,.72);text-decoration:none;font-size:.9rem}
footer a:hover{color:var(--copper-lt)}
footer p{font-size:.88rem;line-height:1.6}
.fbrand{margin-bottom:18px}
.fbrand .bn{font-family:var(--display);font-weight:800;font-size:1.15rem;color:#fff;letter-spacing:-.025em}
.fbrand .bn em{font-style:normal;color:var(--copper-lt)}
.fhours{margin-top:16px}
.fhours strong{color:#fff}
.faddr{margin-top:12px}
.fbook{margin-top:16px}
.ftel{color:#fff!important;font-family:var(--display);font-weight:800;font-size:1.5rem;letter-spacing:-.02em;text-decoration:none;display:block}
.fmeta{border-top:1px solid var(--teal-line);padding:22px 0 96px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.8rem}
.fmeta a{font-size:.8rem}

/* ---------- mobile sticky dock ---------- */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:1.25fr 1fr;gap:1px;background:var(--teal-line)}
.dock a{display:flex;align-items:center;justify-content:center;gap:9px;padding:16px 10px;text-decoration:none;font-family:var(--display);font-weight:800;font-size:.98rem;color:#fff}
.dock .c{background:var(--copper)}
.dock .b{background:var(--teal)}

/* ---------- ≥761px (mid) ---------- */
@media(min-width:761px){
  body{font-size:17px}
  .alertbar{position:sticky;top:0;z-index:60}
  .alertbar p{display:flex}
  .hdr{top:46px}
  .btn-call{font-size:1.45rem;width:auto}
  .btn-ghost{width:auto}
  .strip .wrap{grid-template-columns:1fr 1fr 1fr}
  .svc-grid{grid-template-columns:1fr 1fr}
  .f2{grid-template-columns:1fr 1fr}
  .proof{grid-template-columns:1fr 1fr}
  .rv-grid{grid-template-columns:repeat(3,1fr)}
  .city-grid{grid-template-columns:repeat(3,1fr)}
  .faq-grid{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:1.5fr 1fr 1fr 1fr 1.25fr}
  .dock{display:none}
}

/* ---------- ≥1081px (desktop) ---------- */
@media(min-width:1081px){
  nav.main{display:flex}
  .burger{display:none}
  #mnav.open{display:none}
  .hdr-tel{display:block}
  .hero-grid{grid-template-columns:1.02fr .98fr}
  .split{grid-template-columns:1.12fr .88fr}
  .book{position:sticky;top:150px}
  .dispatch .g{grid-template-columns:.95fr 1.05fr}
  .areas .g{grid-template-columns:1fr 1.05fr}
  .strip .wrap{grid-template-columns:repeat(5,1fr)}
  .proof{grid-template-columns:repeat(4,1fr)}
  .finalcta .wrap{grid-template-columns:1.2fr auto auto}
}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}