/* Persia Plumbing — design system.
   Palette sampled from the logo: #004FAC ring, #29A4DD wave, #113168 navy. */
:root{
  --navy-900:#081C3A; --navy:#113168; --navy-700:#17417F;
  --blue:#004FAC; --blue-600:#0A5FC4; --blue-100:#DCE9F8;
  --cyan:#29A4DD; --cyan-400:#4FBBEA; --cyan-100:#D9EFFA;

  --ink:#0C1B2E; --body:#33475F; --muted:#4F6379;
  --bg:#fff; --bg-2:#F4F7FB; --bg-3:#EAF2FA;
  --line:#DCE4EE; --line-2:#C6D3E2;
  --ok:#0E6B4F; --ok-bg:#E6F4EE;

  --r:10px; --r-lg:16px; --wrap:1160px;
  --sh-1:0 1px 2px rgba(0,0,0,.05);
  --sh-2:0 1px 2px rgba(0,0,0,.04),0 10px 22px rgba(0,0,0,.05);
  --sh-3:0 2px 6px rgba(0,0,0,.05),0 20px 40px rgba(0,0,0,.07);
  --t-micro:13px; --t-sm:13px; --t-body:17px; --t-lead:21px;
  --t-h3:27px; --t-h2:clamp(34px,3.8vw,46px); --t-h1:clamp(42px,5.6vw,64px);
  --display:'Sora',ui-sans-serif,system-ui,sans-serif;
  --sans:'Public Sans',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:var(--t-body);line-height:1.68;
  color:var(--body);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none;text-underline-offset:3px}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);line-height:1.36;
  margin:0 0 .5em;font-weight:600;letter-spacing:-.025em}
h1{font-size:var(--t-h1);font-weight:700;line-height:1.14}
h2{font-size:var(--t-h2);line-height:1.22}
h3{font-size:var(--t-h3);letter-spacing:-.015em;line-height:1.3}
p{margin:0 0 1.1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:3px}
.skip{position:absolute;left:-9999px;background:#fff;color:var(--blue);padding:14px 22px;z-index:200;font-weight:600;border-radius:0 0 8px 0}
.skip:focus{left:0;top:0}

/* ---------------- header ---------------- */
.hdr{background:var(--navy);position:sticky;top:0;z-index:100;
  border-bottom:1px solid rgba(255,255,255,.09)}
.hdr .wrap{display:flex;align-items:center;gap:26px;min-height:78px}
.logo{display:flex;align-items:center;gap:11px;color:#fff;font-family:var(--display);
  font-weight:600;font-size:var(--t-body);letter-spacing:-.015em;line-height:1.4}
.logo:hover{text-decoration:none;opacity:.9}
.logo img{width:40px;height:40px}
.nav{display:flex;gap:2px;margin-left:6px}
.nav a{color:#C3D3E8;padding:9px 15px;border-radius:7px;line-height:1.5;font-size:var(--t-micro);
  font-weight:500;letter-spacing:.06em;text-transform:uppercase;transition:color .18s var(--ease),background .18s var(--ease)}
.nav a:hover{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
.nav a[aria-current=page]{color:#fff;background:rgba(41,164,221,.18)}
.hdr-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:0;color:#fff;padding:9px;cursor:pointer;border-radius:8px}
.burger:hover{background:rgba(255,255,255,.1)}

/* ---------------- buttons ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:9px;font-family:var(--sans);font-weight:600;
  font-size:var(--t-body);border:1.5px solid transparent;cursor:pointer;text-align:center;
  transition:background .18s var(--ease),border-color .18s var(--ease),transform .12s var(--ease);line-height:1.45}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn svg{flex:0 0 auto}
.btn-primary{background:var(--cyan);color:#06263B}
.btn-primary:hover{background:var(--cyan-400)}
.btn-solid{background:var(--blue);color:#fff}
.btn-solid:hover{background:var(--blue-600)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--blue-100)}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-line:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-ghost{background:transparent;color:var(--blue);border-color:var(--line-2)}
.btn-ghost:hover{background:var(--bg-2);border-color:var(--blue)}
.btn-wa{background:#0C6E3A;color:#fff}
.btn-wa:hover{background:#095B2F}
.btn-lg{padding:17px 32px;font-size:var(--t-body);line-height:1.6}
.btn-block{width:100%}
.btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------------- hero ---------------- */
.hero{background:var(--navy);color:#fff;position:relative;
  border-bottom:1px solid rgba(255,255,255,.08)}
.hero .wrap{padding:84px 28px 90px}
.hero-split{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.hero h1{color:#fff;margin-bottom:.4em}
.hero .lead{font-size:var(--t-lead);color:#C9D9EE;max-width:54ch;margin-bottom:2.1rem;line-height:1.62}
.crumb{font-family:var(--sans);font-size:var(--t-sm);color:#A9BCD4;margin:0 0 1.5rem;line-height:1.6}
.crumb a{color:#A9BCD4}.crumb a:hover{color:#fff}
.crumb span{color:var(--cyan);margin:0 .5rem}
.tint-c{color:var(--cyan)}

/* inner page header */
.phero{background:var(--navy);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.phero .wrap{padding:70px 28px 76px;max-width:860px}
.phero h1{color:#fff}
.phero p{color:#C9D9EE;font-size:var(--t-lead);max-width:58ch;margin:0;line-height:1.6}

/* ---------------- sections ---------------- */
section{padding:84px 0}
.sec-tint{background:var(--bg-2)}
.sec-navy{background:var(--navy);color:#C9D9EE}
.sec-navy h2,.sec-navy h3{color:#fff}
.eyebrow{display:block;font-family:var(--sans);color:var(--blue);font-weight:600;line-height:1.6;
  letter-spacing:.15em;text-transform:uppercase;font-size:var(--t-micro);margin-bottom:.85rem}
.sec-navy .eyebrow{color:var(--cyan)}
.sec-head{max-width:680px;margin-bottom:56px}
h2.sec-head{margin-bottom:32px}
.sec-head.mid{margin-left:auto;margin-right:auto;text-align:center}
.sec-head p{color:var(--muted);font-size:var(--t-lead);margin:0;line-height:1.6}
.sec-navy .sec-head p{color:#A9BCD4}

/* ---------------- cards ----------------
   No icon tiles. The icon sits beside the heading, in flow, uncontained. */
.grid{display:grid;gap:1px;background:var(--line)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.grid.gap{gap:22px;background:none}
.cell{background:#fff;padding:36px 32px}
.cell h3{display:flex;align-items:center;gap:11px;margin-bottom:.55rem}
.cell h3 svg{color:var(--cyan);flex:0 0 auto}
.cell p{color:var(--muted);margin:0;font-size:var(--t-body);line-height:1.6}
.sec-tint .cell{background:var(--bg)}
.sec-navy .grid{background:rgba(255,255,255,.1)}
.sec-navy .cell{background:var(--navy)}
.sec-navy .cell p{color:#A9BCD4}
.sec-navy .cell h3 svg{color:var(--cyan)}

/* service list — numbered, editorial, no tiles */
.svc{border-top:1px solid var(--line)}
.svc-item{display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:baseline;
  padding:30px 4px;border-bottom:1px solid var(--line);transition:background .18s var(--ease)}
.svc-item:hover{background:var(--bg-2)}
.svc-item h3{margin-bottom:.35rem}
.svc-item p{color:var(--muted);margin:0;font-size:var(--t-body);max-width:62ch;line-height:1.6}
.svc-tag{font-size:var(--t-micro);font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  color:var(--blue);background:var(--blue-100);padding:5px 11px;border-radius:20px;white-space:nowrap;line-height:1.6}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);list-style:none;padding:0;margin:0}
.step{background:#fff;padding:34px 30px}
.sec-tint .step{background:var(--bg)}
.step-l{display:block;font-family:var(--sans);font-size:var(--t-micro);font-weight:600;
  color:var(--cyan);letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.1rem;line-height:1.5}
.step h3{font-size:var(--t-h3);margin-bottom:.4rem;line-height:1.3}
.step p{color:var(--muted);font-size:var(--t-sm);margin:0;line-height:1.6}

/* promise figures */
.figs{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.1)}
.fig{background:var(--navy);padding:38px 30px}
.fig b{display:block;font-family:var(--display);font-size:var(--t-h2);
  color:#fff;font-weight:600;line-height:1.3;letter-spacing:-.03em;margin-bottom:.35rem}
.fig span{color:#A9BCD4;font-size:var(--t-sm);line-height:1.6}

/* contact tiles */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.tile{background:#fff;padding:30px 26px}
.tile-l{font-size:var(--t-micro);letter-spacing:.13em;text-transform:uppercase;color:var(--muted);
  font-family:var(--sans);font-weight:600;margin:0 0 .7rem;line-height:1.6}
.tile a,.tile p{font-size:var(--t-body);color:var(--ink);font-weight:500;margin:0;line-height:1.6}
.tile-l{line-height:1.6}
.tile a{display:block}
.tile a:hover{color:var(--blue)}

/* FAQ */
.faq{border-bottom:1px solid var(--line)}
.faq summary{padding:22px 2px;font-family:var(--display);font-weight:600;line-height:1.45;font-size:var(--t-body);
  color:var(--ink);cursor:pointer;list-style:none;display:flex;justify-content:space-between;
  align-items:center;gap:20px;letter-spacing:-.012em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:11px;height:11px;flex:0 0 auto;border-right:2px solid var(--cyan);
  border-bottom:2px solid var(--cyan);transform:rotate(45deg);margin-top:-5px;transition:transform .2s var(--ease)}
.faq[open] summary::after{transform:rotate(225deg);margin-top:3px}
.faq summary:hover{color:var(--blue)}
.faq .a{padding:0 2px 24px;color:var(--muted);font-size:var(--t-body);max-width:70ch;line-height:1.6}

/* forms */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh-2)}
.panel-navy{background:var(--navy-700);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-lg);padding:34px}
.panel-navy h2,.panel-navy h3{color:#fff}
label{display:block;font-size:var(--t-micro);font-weight:600;color:var(--ink);margin-bottom:7px;letter-spacing:.01em;line-height:1.6}
.panel-navy label{color:#D8E5F5}
input,textarea{width:100%;padding:14px 15px;border:1.5px solid var(--line-2);border-radius:9px;
  font:inherit;font-size:var(--t-body);background:#fff;color:var(--ink);margin-bottom:17px;line-height:1.5;
  transition:border-color .18s var(--ease)}
input::placeholder,textarea::placeholder{color:#7C8CA0}
input:focus,textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
textarea{min-height:118px;resize:vertical}
.req{color:#B4322A}

/* callout — no side-tab */
.callout{background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r);padding:22px 26px;margin:26px 0}
.callout b{display:block;font-family:var(--display);color:var(--ink);margin-bottom:.3rem;font-size:var(--t-body);line-height:1.5}
.callout p{margin:0;color:var(--muted);font-size:var(--t-sm);line-height:1.6}
.callout-ok{background:var(--ok-bg);border-color:#BFE0D2}
.sec-navy .callout{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16)}
.sec-navy .callout b{color:#fff}
.sec-navy .callout p{color:#A9BCD4}

/* CTA band */
.cta{background:var(--blue);color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{color:#D6E6F8;font-size:var(--t-lead);max-width:54ch;margin:0 auto 30px;line-height:1.6}
.cta .btns{justify-content:center}

/* prose (legal) */
.prose{max-width:74ch}
.prose h2{font-size:var(--t-h3);margin-top:2.6rem;line-height:1.3}
.prose p,.prose li{color:var(--body);font-size:var(--t-body);line-height:1.6}

/* footer */
.ftr{background:var(--navy-900);color:#9DB0C6;padding:76px 0 30px;font-size:var(--t-sm);line-height:1.6}
.ftr h2{font-family:var(--sans);color:#fff;font-size:var(--t-micro);letter-spacing:.13em;
  text-transform:uppercase;margin-bottom:20px;font-weight:600;line-height:1.6}
.ftr a:not(.btn){color:#9DB0C6}
.ftr a:hover{color:#fff}
.ftr-grid{display:grid;grid-template-columns:1.15fr .7fr .8fr 1.15fr;gap:44px}
.ftr-links{display:flex;flex-direction:column;gap:11px}
.social{display:flex;gap:12px}
.social a{width:40px;height:40px;border-radius:9px;border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:#9DB0C6;transition:all .18s var(--ease)}
.social a:hover{border-color:var(--cyan);color:#fff;background:rgba(41,164,221,.14)}
.ftr-mark{display:flex;align-items:center;gap:13px;margin:50px 0 0}
.ftr-mark img{width:44px;height:44px}
.ftr-mark span{font-family:var(--display);font-size:var(--t-h3);font-weight:600;color:#fff;letter-spacing:-.02em;line-height:1.4}
.ftr-btm{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:22px;
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:var(--t-micro);line-height:1.6}

/* mobile call bar */
.callbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:99;
  background:var(--navy-900);border-top:1px solid rgba(255,255,255,.12);padding:10px 12px;gap:10px}
.callbar .btn{flex:1;padding:13px 8px;font-size:var(--t-sm);line-height:1.6}

@media(max-width:960px){
  .g3,.steps,.figs{grid-template-columns:repeat(2,1fr)}
  .tiles{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero-split{grid-template-columns:1fr;gap:44px}
  section{padding:66px 0}
}
@media(max-width:720px){
  body{font-size:16px;padding-bottom:70px;line-height:1.6}
  section{padding:54px 0}
  .wrap{padding:0 20px}
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:var(--navy-700);
    flex-direction:column;padding:12px;gap:2px}
  .nav.open{display:flex}
  .nav a{padding:14px 16px;font-size:var(--t-sm);line-height:1.6}
  .burger{display:block}
  .hdr-cta .btn{display:none}
  .hdr .wrap{gap:14px;position:relative;min-height:70px}
  .g2,.g3,.steps,.figs,.tiles{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr}
  .hero .wrap{padding:56px 20px 64px}
  .phero .wrap{padding:50px 20px 56px}
  .svc-item{grid-template-columns:1fr;gap:8px}
  .svc-tag{justify-self:start}
  .callbar{display:flex}
  .ftr{padding-bottom:86px}
  .panel,.panel-navy{padding:26px 22px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---------------- imagery ---------------- */
.shot{display:block;width:100%;border-radius:var(--r);overflow:hidden;background:var(--navy)}
.shot img{width:100%;height:100%;object-fit:cover;display:block}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery figure{margin:0}
.gallery figcaption{font-size:var(--t-micro);line-height:1.6;color:var(--muted);margin-top:9px}
.sec-navy .gallery figcaption{color:#A9BCD4}
.media{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.media-wide{width:100%;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#fff}
.media-wide img{width:100%;display:block}
.sec-navy .media-wide{border-color:rgba(255,255,255,.14);background:#fff}
.hero-art{position:absolute;right:-40px;top:50%;transform:translateY(-50%);
  width:min(46%,520px);opacity:.5;pointer-events:none;z-index:0}
.hero .wrap{position:relative;z-index:1}
.hero{position:relative;overflow:hidden}
@media(max-width:960px){.media{grid-template-columns:1fr;gap:32px}
  .gallery{grid-template-columns:repeat(2,1fr)}.hero-art{display:none}}
@media(max-width:720px){.gallery{grid-template-columns:1fr 1fr;gap:10px}}