/* Trustworthy Plumbing & Building - v14. Self-hosted font, no external requests. */
@font-face{font-family:"Inter";src:url("fonts/InterVariable-latin.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
/* v12: Vietnamese letters from the same Inter release (subset; only downloaded when such characters are on the page) */
@font-face{font-family:"Inter";src:url("fonts/InterVariable-vietnamese.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
:root{
  --navy:#0B2545;--navy-2:#13335e;--blue:#0057B8;--blue-600:#00479A;--blue-50:#EAF1FB;--grey:#535659;
  --ink:#0F1B2D;--muted:#475467;--soft:#F4F7FB;--line:#E3E8EF;--white:#fff;
  --r-lg:24px;--r-md:20px;--r-sm:14px;
  --shadow:0 1px 2px rgba(11,37,69,.06),0 14px 36px -14px rgba(11,37,69,.22);
  --shadow-lg:0 2px 4px rgba(11,37,69,.06),0 28px 60px -24px rgba(11,37,69,.35);
  --wrap:1200px;--pad:clamp(18px,4vw,32px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:17px;line-height:1.6;color:var(--ink);background:#fff;font-feature-settings:"cv11","ss01";-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:var(--blue)}
a:hover{color:var(--blue-600)}
h1,h2,h3{line-height:1.1;margin:0 0 .5em;letter-spacing:-.025em;color:var(--ink)}
h2{font-size:clamp(2rem,1.2rem + 2.6vw,3.1rem);font-weight:800;letter-spacing:-.035em}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1em}
:focus-visible{outline:3px solid #F5B400;outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:12px;top:12px}

/* Buttons: pill-shaped */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:48px;padding:.7em 1.35em;border-radius:999px;font:inherit;font-weight:650;font-size:16px;line-height:1.1;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background-color .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;white-space:nowrap}
.btn svg{width:1.15em;height:1.15em;flex:none}
.btn-sm{min-height:42px;padding:.55em 1.1em;font-size:15px}
.btn-lg{min-height:56px;padding:.85em 1.6em;font-size:17px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px -10px rgba(0,87,184,.7)}
.btn-primary:hover{background:var(--blue-600);color:#fff;transform:translateY(-1px)}
.btn-on-dark{border-color:rgba(255,255,255,.28)}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:var(--blue-50);color:var(--navy);transform:translateY(-1px)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* Eyebrow labels */
.eyebrow{display:inline-flex;align-items:center;gap:.5em;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);background:var(--blue-50);border-radius:999px;padding:.4em .9em;margin-bottom:16px}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:currentColor}
.eyebrow-dark{color:#fff;background:rgba(255,255,255,.14)}

/* Header: sticky, frosted on scroll */
.site-header{position:sticky;top:-34px;z-index:50;background:#fff;border-bottom:1px solid transparent;transition:background-color .25s,box-shadow .25s,border-color .25s}
.site-header.scrolled{background:rgba(255,255,255,.97);border-bottom-color:rgba(227,232,239,.8);box-shadow:0 8px 28px -18px rgba(11,37,69,.45)}
@supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .site-header.scrolled{background:rgba(255,255,255,.72);-webkit-backdrop-filter:saturate(180%) blur(16px);backdrop-filter:saturate(180%) blur(16px)}
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px;transition:min-height .25s}
.scrolled .header-inner{min-height:66px}
/* v12: language strip (EN | Vietnamese) */
.lang-bar{height:34px;background:var(--soft);border-bottom:1px solid var(--line)}
.lang-bar-inner{height:100%;display:flex;align-items:center;justify-content:flex-end}
.lang-switch{display:flex;align-items:center;font-size:13.5px;font-weight:600;line-height:1;white-space:nowrap}
.lang-switch a,.lang-cur{display:inline-flex;align-items:center;min-height:28px;padding:0 2px}
.lang-switch a{color:var(--blue);text-decoration:none}
.lang-switch a:hover{color:var(--blue-600);text-decoration:underline}
.lang-cur{color:var(--ink)}
.lang-sep{width:1px;height:14px;background:#C5CFDC;margin:0 10px}
/* v12: Vietnamese page only - longer hero words and stacked accents: smaller hero heading, a little more line-height,
   and phrase-level wrapping (.nw spans) so lines break between phrases, not inside them */
.hero-content:lang(vi){max-width:760px}
.hero h1:lang(vi){font-size:clamp(2.3rem,.9rem + 4.2vw,4.5rem);line-height:1.04;letter-spacing:-.045em}
.nw{white-space:nowrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.brand-mark{width:33px;height:48px}
.brand-name{display:flex;flex-direction:column;line-height:1}
.bn-1{color:var(--blue);font-weight:800;font-size:21px;letter-spacing:.05em}
.bn-2{color:var(--grey);font-weight:650;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;margin-top:5px}
.menu-toggle{display:none;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font:inherit;font-weight:600;color:var(--ink);cursor:pointer}
.menu-toggle svg{width:20px;height:20px}
.site-nav{display:flex;align-items:center;gap:26px}
.site-nav ul{display:flex;gap:24px;list-style:none;margin:0;padding:0}
.site-nav ul a{color:var(--ink);text-decoration:none;font-weight:550;font-size:15.5px}
.site-nav ul a:hover{color:var(--blue)}
.nav-cta{display:flex;gap:10px}
@media (max-width:1120px){.site-nav ul{gap:18px}.site-nav ul a{font-size:15px}.nav-cta .btn-outline{display:none}}
@media (max-width:960px){
  .menu-toggle{display:inline-flex}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:16px;padding:16px var(--pad) 24px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(11,37,69,.35)}
  .site-nav.open{display:flex}
  .site-nav ul{flex-direction:column;gap:0}
  .site-nav ul a{display:block;padding:12px 0;font-size:17px;border-bottom:1px solid var(--line)}
  .nav-cta{flex-direction:column}.nav-cta .btn-outline{display:inline-flex}
  .nav-cta .btn{min-height:50px}
}
@media (max-width:380px){.bn-1{font-size:18px}.bn-2{font-size:10px;letter-spacing:.14em}.brand-mark{width:29px;height:42px}.menu-toggle span{display:none}}
/* v12: desktop nav must never wrap (was wrapping at ~961-999px and ~1121-1199px). Labels stay on one line and spacing tightens
   slightly between 961px (menu breakpoint) and 1240px. Phone button still hidden only at <=1120px, exactly as before. */
.site-nav ul a{white-space:nowrap}
@media (min-width:961px) and (max-width:1240px){.header-inner{gap:16px}.site-nav{gap:18px}.site-nav ul{gap:16px}.site-nav ul a{font-size:15px}.nav-cta .btn-sm{padding-left:.95em;padding-right:.95em}}
@media (min-width:961px) and (max-width:1180px){.site-nav ul{gap:14px}}
@media (min-width:961px) and (max-width:1040px){.site-nav ul a{font-size:14.5px}}

/* Hero: full-bleed photo + navy gradient */
.hero{position:relative;isolation:isolate;color:#fff;background:var(--navy);overflow:hidden}
.hero-media,.hero-media picture{position:absolute;inset:0}
.hero-img{width:100%;height:100%;object-fit:cover;object-position:78% 42%} /* v7: copper tee sits at the right edge of the photo */
.hero::after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(11,37,69,.97) 0%,rgba(11,37,69,.93) 30%,rgba(11,37,69,.6) 52%,rgba(11,37,69,.12) 74%,rgba(11,37,69,0) 100%),
             linear-gradient(0deg,rgba(11,37,69,.55) 0%,rgba(11,37,69,0) 30%)}
.hero-inner{position:relative;z-index:1;display:flex;align-items:center;min-height:min(78vh,720px);padding-top:72px;padding-bottom:96px}
.hero-content{max-width:640px}
.hero h1{color:#fff;font-size:clamp(2.9rem,1rem + 6vw,6.1rem);font-weight:850;line-height:.94;letter-spacing:-.055em;margin:0 0 .32em}
.hero-sub{font-size:clamp(1.05rem,.95rem + .4vw,1.25rem);color:#DCE6F5;max-width:34em;margin-bottom:30px}
@media (max-width:760px){
  .hero-media{bottom:auto;height:380px}
  .hero-inner{display:block;min-height:0;padding-top:250px;padding-bottom:64px}
  .hero-img{object-position:90% 50%}
  .hero::after{background:linear-gradient(180deg,rgba(11,37,69,0) 0,rgba(11,37,69,.12) 150px,rgba(11,37,69,.75) 290px,var(--navy) 380px)}
  .header-inner{min-height:68px}
  .hero .btn-row .btn{flex:1 1 100%}
}

/* Brand card overlapping hero */
.brand-strip{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:clamp(40px,6vw,88px);padding:clamp(48px,6vw,80px) 0 0}
.brand-strip-logo img{width:240px;height:170px}
.brand-wrap+.section{padding-top:clamp(64px,7vw,96px)}
.trust-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--muted);line-height:1.4}
.trust-list svg{width:40px;height:40px;flex:none;padding:9px;border-radius:12px;background:var(--blue-50);color:var(--blue)}
.trust-list strong{display:block;color:var(--ink);font-size:15.5px;margin-bottom:2px}
@media (max-width:960px){
  .brand-strip{grid-template-columns:1fr;justify-items:center;gap:36px;padding-top:48px}
  .brand-strip-logo img{width:220px;height:156px}
  .trust-list{grid-template-columns:1fr;gap:16px;width:100%}
}
@media (min-width:640px) and (max-width:960px){.trust-list{grid-template-columns:repeat(3,1fr)}}

/* Sections */
.section{padding:clamp(64px,8vw,112px) 0}
.section-soft{background:var(--soft)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head p{color:var(--muted);font-size:1.08rem}
.lead{font-size:1.15rem;color:var(--muted)}

/* Bento services */
.bento{display:grid;gap:18px;grid-template-columns:1fr}
.bento-card{position:relative;overflow:hidden;border-radius:var(--r-md);min-height:280px;background:var(--navy);box-shadow:var(--shadow);isolation:isolate}
.bento-card picture{position:absolute;inset:0;z-index:-2}
.bento-img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.bento-card::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(11,37,69,.95) 0%,rgba(11,37,69,.78) 30%,rgba(11,37,69,.2) 62%,rgba(11,37,69,0) 80%)}
.bento-body{position:absolute;left:0;right:0;bottom:0;padding:22px 24px}
.bento-body h3{color:#fff;font-size:1.3rem;margin-bottom:.3em}
.bento-body p{color:#E1E8F2;font-size:15px;line-height:1.45;margin:0;max-width:34em}
.bento-card:hover .bento-img{transform:scale(1.04)}
.b-lg .bento-body h3{font-size:clamp(1.5rem,1.1rem + 1vw,2rem)}
.b-lg{min-height:360px}
@media (min-width:640px){.bento{grid-template-columns:repeat(2,1fr)}.b-lg{grid-column:span 2}}
@media (min-width:1000px){
  .bento{grid-template-columns:repeat(4,1fr);grid-auto-rows:240px}
  .bento-card{min-height:0}
  .b-lg{grid-column:span 2;grid-row:span 2}
  .b-wide{grid-column:span 2}
  .b-lg .bento-body{padding:30px 32px}
}
.services-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:28px 0 0;font-weight:550}
.drop-dot{width:16px;height:22px;background:url("img/trustworthy-icon.svg") center/contain no-repeat;flex:none}

/* How it works */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
.step{position:relative;background:#fff;border-radius:var(--r-md);padding:30px 28px 26px;box-shadow:var(--shadow)}
.step-num{display:block;font-size:3.4rem;font-weight:850;letter-spacing:-.06em;line-height:1;color:var(--blue);margin-bottom:18px}
.step h3{font-size:1.25rem}
.step p{color:var(--muted);margin:0}
.step:not(:last-child)::after{content:"";position:absolute;top:52px;right:-18px;width:18px;height:2px;background:var(--blue);opacity:.35}
@media (max-width:860px){.steps{grid-template-columns:1fr}.step:not(:last-child)::after{display:none}}

/* Split / lists */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.split-img img{border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:100%;aspect-ratio:4/3;object-fit:cover}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.drop-list{list-style:none;margin:0 0 28px;padding:0}
.drop-list li{position:relative;padding-left:32px;margin-bottom:14px}
.drop-list li::before{content:"";position:absolute;left:0;top:.18em;width:16px;height:22px;background:url("img/trustworthy-icon.svg") center/contain no-repeat}

/* About with watermark */
.watermark{position:relative;overflow:hidden}
.watermark::before{content:"";position:absolute;right:-60px;top:50%;width:460px;height:650px;transform:translateY(-50%);background:url("img/trustworthy-icon.svg") center/contain no-repeat;opacity:.05;pointer-events:none}
.watermark .wrap{position:relative}
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,72px);align-items:start}
.about-card{background:#fff;border-radius:var(--r-md);padding:30px;box-shadow:var(--shadow)}
.about-intro .lead{margin:0}
.about-story{padding-top:clamp(0px,3vw,44px)}
.about-story p{color:var(--muted);margin:0 0 1em}.about-story p:last-child{margin-bottom:0}
.about-timeline{margin-top:clamp(40px,5vw,64px);padding:clamp(24px,3.5vw,36px)}
.timeline{list-style:none;margin:0 0 24px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.timeline::before{content:"";position:absolute;left:8px;right:0;top:7px;height:2px;background:rgba(0,87,184,.2)}
.timeline li{position:relative;padding-top:32px}
.timeline li::before{content:"";position:absolute;left:0;top:0;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.timeline li:last-child::before{background:var(--blue)}
.tl-year{display:block;font-size:clamp(1.6rem,1.2rem + 1vw,2rem);font-weight:800;letter-spacing:-.03em;line-height:1.1;color:var(--blue)}
.tl-text{display:block;margin-top:4px;font-weight:600;line-height:1.35;color:var(--ink)}
@media (max-width:860px){.about-grid{row-gap:20px}.about-story{padding-top:0}}
@media (max-width:640px){.timeline{grid-template-columns:1fr;gap:22px}.timeline::before{display:none}.timeline li{padding:0 0 0 34px}.timeline li::before{top:4px}
  .timeline li:not(:last-child)::after{content:"";position:absolute;left:7px;top:20px;bottom:-26px;width:2px;background:rgba(0,87,184,.2)}}
@media (max-width:860px){.about-grid{grid-template-columns:1fr}.watermark::before{width:300px;height:420px;top:auto;bottom:-60px;transform:none}}
.facts{margin:0;display:grid;gap:10px;border-top:1px solid var(--line);padding-top:18px}
.facts div{display:flex;gap:12px;flex-wrap:wrap}
.facts dt{font-weight:700;min-width:70px}
.facts dd{margin:0;color:var(--muted)}

/* CTA band */

/* Contact */
.contact-wrap{max-width:calc(760px + 2 * var(--pad))}
.contact-wrap>.section-head{margin-left:auto;margin-right:auto;text-align:center}

/* Footer */
.site-footer{background:var(--navy);color:#C9D5E6;padding:64px 0 28px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:auto 1.4fr 1fr;gap:40px;align-items:start}
.footer-logo{padding-top:4px}
.footer-logo img{width:220px;height:156px}
.footer-lead{color:#fff;font-weight:650;font-size:1.1rem;line-height:1.35}
.footer-contact{list-style:none;padding:0;margin:0 0 12px;display:grid;gap:8px}
.footer-contact li{display:flex;gap:10px;align-items:center}
.footer-contact svg{width:18px;height:18px;color:#8FB4EA;flex:none}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.footer-small{font-size:14px}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer-base{display:flex;flex-wrap:wrap;gap:8px 24px;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;font-size:13.5px;color:#AFC0D8}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr;gap:28px}}

.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(22px,4vw,40px);box-shadow:var(--shadow)}
.quote-card h3{font-size:clamp(1.35rem,1.1rem + .8vw,1.7rem);margin-bottom:.7em}
.quote-card h4{font-size:1.05rem;margin:28px 0 12px;letter-spacing:-.01em}
.quote-actions .btn{flex:1 1 240px}
.quote-hint{color:var(--muted);font-size:15px;margin:16px 0 0;overflow-wrap:anywhere}
.include-list{margin-bottom:0}
.include-list li{margin-bottom:10px}
@media (max-width:420px){.quote-actions .btn,.hero .btn-row .btn{white-space:normal;text-align:center}}

/* Legal page */
.legal .wrap{max-width:800px}
.legal h1{font-size:clamp(2.4rem,1.6rem + 3vw,3.6rem);font-weight:850;letter-spacing:-.045em}
.legal h2{font-size:1.3rem;margin-top:32px;letter-spacing:-.015em}
.back{margin-top:32px}

/* Mobile sticky bar */
.mobile-bar{display:none}
@media (max-width:760px){
  body{padding-bottom:76px}
  .mobile-bar{display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.85);border-top:1px solid var(--line);transition:transform .25s}
  @supports ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.mobile-bar{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}}
  .mobile-bar a{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;border-radius:999px;font-weight:700;text-decoration:none}
  .mobile-bar svg{width:20px;height:20px}
  .bar-call{background:#fff;color:var(--navy);border:2px solid var(--navy)}
  .bar-quote{background:var(--blue);color:#fff}
  /* v6: hide the sticky bar while the hero's own Call / Quote buttons are on screen (avoids duplicate CTAs on the first screen) */
  .hero-cta-visible .mobile-bar{transform:translateY(110%);visibility:hidden;transition:transform .25s,visibility 0s .25s}
}

/* Reveal on scroll (only when JS is on; disabled for reduced motion) */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .bento-img,.btn,.site-header,.header-inner,.mobile-bar,.hero-cta-visible .mobile-bar{transition:none}
  .bento-card:hover .bento-img,.btn:hover{transform:none}
}