/* Amabile Brothers Plumbing & Heating — plain, practical local contractor site.
   White base, blue + orange accents, flat surfaces, no decoration, no icons. */
:root{
  --blue:#1b4dd1; --blue-deep:#143a9c; --blue-ink:#152238;
  --orange:#e8611c; --orange-deep:#cf4f10;
  --bg:#ffffff; --band:#f3f6fb;
  --ink:#222b38; --mut:#5a6474; --line:#dee5ef;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
h1,h2,h3{line-height:1.2;font-weight:800;letter-spacing:-.01em;color:var(--blue-ink)}
h2{font-size:clamp(24px,3vw,32px);margin-bottom:10px}
h3{font-size:18px}
a{color:var(--blue-deep)}
[id]{scroll-margin-top:104px}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.sec{padding:clamp(42px,5vw,64px) 0}
.sec--band{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lead{color:var(--mut);max-width:64ch;margin-bottom:6px}
.small{font-size:13.5px;color:var(--mut)}

/* Buttons — flat, plain, soft hover */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;padding:12px 22px;border-radius:6px;border:0;cursor:pointer;text-decoration:none;transition:background .2s ease,border-color .2s ease,transform .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn--lg{padding:14px 26px;font-size:16px}
.btn--orange{background:var(--orange);color:#fff}
.btn--orange:hover{background:var(--orange-deep)}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue:hover{background:var(--blue-deep)}
.btn--plain{background:#fff;color:var(--blue-deep);border:1.5px solid var(--line)}
.btn--plain:hover{border-color:var(--blue)}

/* Check lists */
.checks{list-style:none}
.checks li{position:relative;padding:3px 0 3px 26px;font-weight:600;font-size:15px}
.checks li::before{content:'';position:absolute;left:3px;top:12px;width:11px;height:6px;border-left:2.4px solid var(--orange);border-bottom:2.4px solid var(--orange);transform:rotate(-45deg)}
.checks--grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 26px;margin:16px 0 4px}

/* Top strip */
.topbar{background:var(--blue-ink);color:#cdd7e6;font-size:13.5px}
.topbar__inner{max-width:1120px;margin:0 auto;padding:7px 22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:700;text-decoration:none}
.topbar a:hover{text-decoration:underline}

/* Header — text wordmark only, no icon */
.nav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.nav__inner{max-width:1120px;margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:20px}
.brand{display:flex;flex-direction:column;line-height:1.12;text-decoration:none}
.brand strong{font-size:18px;font-weight:800;color:var(--blue-ink)}
.brand small{font-size:11px;color:var(--mut);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.nav__links{display:flex;gap:20px;margin-left:auto}
.nav__links a{color:var(--ink);text-decoration:none;font-weight:600;font-size:14.5px}
.nav__links a:hover{color:var(--blue)}
.nav__cta{display:flex;align-items:center;gap:14px}
.nav__phone{white-space:nowrap;font-weight:800;font-size:15.5px;color:var(--blue-deep);text-decoration:none}
.nav__phone:hover{color:var(--blue)}
.nav__burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:10px;margin-left:auto}
.nav__burger span{width:24px;height:2px;background:var(--blue-ink)}
.mobile-menu{display:none}
body.menu-open .mobile-menu{display:flex;flex-direction:column;gap:4px;padding:10px 22px 18px;background:#fff;border-bottom:1px solid var(--line)}
.mobile-menu a{color:var(--ink);text-decoration:none;font-weight:600;padding:9px 0}
.mobile-menu a.btn{color:#fff;margin-top:6px}

/* Hero — plain two-column with a rotating set of real job photos */
.hero{border-bottom:1px solid var(--line)}
.hero__grid{max-width:1120px;margin:0 auto;padding:clamp(28px,4vw,48px) 22px;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,3.5vw,44px);align-items:center}
.hero h1{font-size:clamp(28px,3.7vw,40px);margin-bottom:14px;max-width:18ch}
.hero__sub{color:var(--mut);font-size:clamp(15.5px,1.4vw,17px);max-width:56ch;margin-bottom:22px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.hero__carousel{position:relative;height:clamp(300px,38vw,420px);border-radius:6px;border:1px solid var(--line);overflow:hidden;background:var(--band)}
.hero__carousel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .9s ease}
.hero__carousel img.is-on{opacity:1}
.hero__dots{position:absolute;left:0;right:0;bottom:10px;display:flex;justify-content:center;gap:7px}
.hero__dots button{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,255,255,.55);cursor:pointer;padding:0;transition:background .2s}
.hero__dots button:hover{background:rgba(255,255,255,.85)}
.hero__dots button.is-on{background:var(--orange)}

/* Trust strip */
.truststrip{background:var(--blue-ink)}
.truststrip ul{list-style:none;max-width:1120px;margin:0 auto;padding:12px 22px;display:flex;flex-wrap:wrap;gap:8px 26px;justify-content:center}
.truststrip li{position:relative;padding-left:22px;color:#eaf0fb;font-size:14px;font-weight:600}
.truststrip li::before{content:'';position:absolute;left:2px;top:8px;width:10px;height:5px;border-left:2.2px solid var(--orange);border-bottom:2.2px solid var(--orange);transform:rotate(-45deg)}

/* Quick request band — short booking form near the hero */
.quickform{background:var(--band);border-bottom:1px solid var(--line)}
.quickform__inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px}
.quickform__title{font-weight:800;color:var(--blue-ink);font-size:15.5px;white-space:nowrap}
.quickform form{display:flex;gap:10px;flex-wrap:wrap;flex:1;min-width:280px}
.quickform input,.quickform select{font:inherit;font-weight:500;padding:11px 12px;border:1.5px solid var(--line);border-radius:5px;background:#fff;flex:1;min-width:130px}
.quickform select{color:var(--ink)}
.quickform input:focus,.quickform select:focus{outline:0;border-color:var(--blue)}

/* Services */
.svc-desc{display:grid;grid-template-columns:repeat(3,1fr);gap:20px 26px;margin-top:26px}
.svc-desc > div{padding-top:14px;border-top:2px solid var(--line);transition:transform .2s ease,border-color .2s ease}
.svc-desc > div:hover{transform:translateY(-3px);border-top-color:var(--orange)}
.svc-desc h3{margin-bottom:5px}
.svc-desc p{color:var(--mut);font-size:14.5px}
.svc-note{margin-top:24px;font-size:14.5px;color:var(--mut)}
.svc-note a{font-weight:700}

/* About / why */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,48px);align-items:center}
.about p{color:var(--mut);max-width:56ch;margin-bottom:14px}
.about .checks{margin-bottom:20px}
.about img{width:100%;height:clamp(250px,30vw,340px);object-fit:cover;border-radius:6px;border:1px solid var(--line)}

/* Work gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.gal__item{margin:0;cursor:zoom-in;transition:transform .2s ease}
.gal__item:hover{transform:translateY(-3px)}
.gal__item img{width:100%;height:230px;object-fit:cover;border-radius:6px;border:1px solid var(--line);transition:border-color .2s ease}
.gal__item:hover img{border-color:var(--blue)}
.gal__item figcaption{font-size:13.5px;color:var(--mut);margin-top:7px}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(17,26,42,.94);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px}
.lightbox[hidden]{display:none} /* the hidden attribute must win over display:flex */
.lightbox img{max-width:min(1100px,92vw);max-height:78vh;border-radius:6px;object-fit:contain}
.lightbox__cap{color:#fff;margin-top:12px;font-weight:600}
.lightbox__close{position:absolute;top:16px;right:24px;background:none;border:0;color:#fff;font-size:38px;cursor:pointer;line-height:1}

/* Contact */
.contact{display:grid;grid-template-columns:1fr .95fr;gap:clamp(24px,4vw,48px);align-items:start}
.contact p{color:var(--mut);max-width:52ch;margin-bottom:16px}
.contact p b{color:var(--blue-deep);font-size:18px}
.contact .btn{margin-bottom:12px}
.contact__form{background:#fff;border:1px solid var(--line);border-radius:6px;padding:22px;display:flex;flex-direction:column;gap:13px}
.contact__form label{display:flex;flex-direction:column;gap:5px;font-size:13px;font-weight:700}
.contact__form input,.contact__form textarea,.contact__form select{font:inherit;font-weight:500;padding:11px;border:1.5px solid var(--line);border-radius:5px;background:#fbfcfe}
.contact__form input:focus,.contact__form textarea:focus,.contact__form select:focus{outline:0;border-color:var(--blue)}
.contact__small{font-size:13px;color:var(--mut);text-align:center}
.contact__small a{font-weight:700}
.hp{display:none}

/* Footer */
.foot{background:var(--blue-ink);padding:22px 0 88px}
.foot__inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;color:#aeb9cc;font-size:13.5px}
.foot__brand{color:#fff;font-weight:700}
.foot a{color:#fff;text-decoration:none;font-weight:700}
.foot a:hover{text-decoration:underline}

/* Sticky mobile call bar */
.mobilebar{display:none}

/* Floating Request Service button (desktop, appears after scrolling) */
.floatcta{position:fixed;right:18px;bottom:18px;z-index:55;background:var(--orange);color:#fff;font-weight:800;font-size:15px;padding:14px 22px;border-radius:6px;text-decoration:none;box-shadow:0 6px 18px rgba(0,0,0,.18);opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .25s ease,transform .25s ease,background .2s ease}
.floatcta.is-show{opacity:1;transform:none;pointer-events:auto}
.floatcta:hover{background:var(--orange-deep)}

/* Subtle scroll reveal (reduced-motion safe) */
.rv{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .hero__carousel img{transition:none}
  .btn,.svc-desc > div,.gal__item{transition:none}
}

/* Responsive */
@media (max-width:940px){
  .checks--grid,.svc-desc{grid-template-columns:repeat(2,1fr)}
  .gal{grid-template-columns:repeat(2,1fr)}
  .hero__grid,.about,.contact{grid-template-columns:1fr}
  .hero__photo{order:-1}
  .hero__carousel{height:clamp(220px,44vw,330px)}
}
@media (max-width:680px){
  .topbar span{display:none}
  .topbar__inner{justify-content:center}
  .nav__links,.nav__cta{display:none}
  .nav__burger{display:flex}
  .checks--grid,.svc-desc,.gal{grid-template-columns:1fr}
  .gal__item img{height:auto;max-height:340px}
  .floatcta{display:none} /* mobile has the sticky bottom bar instead */
  .quickform form{flex-direction:column}
  .quickform input,.quickform select{min-width:0}
  .mobilebar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;border-top:1px solid rgba(0,0,0,.15);padding-bottom:env(safe-area-inset-bottom)}
  .mobilebar a{flex:1;display:flex;align-items:center;justify-content:center;min-height:52px;font-weight:800;font-size:14px;letter-spacing:-.01em;text-decoration:none;white-space:nowrap}
  .mobilebar__call{background:var(--blue);color:#fff}
  .mobilebar__quote{background:var(--orange);color:#fff}
  body{padding-bottom:52px}
}