/* Potter Heating & AC – Perrone Plumbing — concept rebuild
   Lane: heritage utility. Colors sampled from logo pixels:
   navy #0a1c8d, red #e6162f. */

:root{
  --navy:#0a1c8d;
  --navy-deep:#071457;
  --navy-ink:#0e1743;
  --red:#e6162f;
  --red-dark:#b8112a;
  --paper:#f6f5ef;
  --card:#ffffff;
  --ink:#171d36;
  --muted:#565d78;
  --line:#d9d6c9;
  --gold:#f4c542;
  --display:"Rokkitt",serif;
  --ui:"Public Sans",system-ui,-apple-system,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
body{font-family:var(--ui);color:var(--ink);background:var(--paper);line-height:1.6;font-size:16.5px}
img{max-width:100%;display:block}
a{color:var(--navy)}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}

h1,h2,h3,.slab{font-family:var(--display);font-weight:800;line-height:1.08;color:var(--navy-ink)}
h2{font-size:clamp(1.9rem,4vw,2.9rem);letter-spacing:-.5px}
h3{font-size:1.35rem;font-weight:700}
.eyebrow{font-family:var(--ui);font-weight:800;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--red);display:flex;align-items:center;gap:12px;margin-bottom:14px}
.eyebrow::before{content:"";width:34px;height:3px;background:var(--red);flex:none}
.lede{font-size:1.08rem;color:var(--muted);max-width:62ch}

/* ---------- concept banner ---------- */
.concept-banner{background:var(--gold);color:#3a2c00;font-size:.85rem;font-weight:600;text-align:center;padding:8px 44px 8px 16px;position:relative;z-index:70}
.concept-banner button{position:absolute;right:10px;top:50%;transform:translateY(-50%);border:1px solid #3a2c00;background:transparent;color:#3a2c00;font-size:.95rem;line-height:1;width:26px;height:26px;border-radius:4px;cursor:pointer}

/* ---------- utility top bar ---------- */
.top-utility{background:var(--navy-deep);color:#cfd6ff;font-size:.82rem;font-weight:600}
.top-utility .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;padding-top:7px;padding-bottom:7px}
.top-utility a{color:#fff;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.top-utility a:hover{text-decoration:underline}
.top-utility img{height:18px;width:auto}
.top-utility .fax{color:#8f9bd8}
@media(max-width:640px){.top-utility .fax{display:none}}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:60;background:#fff;border-bottom:3px solid var(--navy);box-shadow:0 1px 0 var(--line)}
header.site .bar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 22px;max-width:1160px;margin:0 auto}
.brand img{height:52px;width:auto}
nav.main{display:flex;align-items:center;gap:26px}
nav.main a{font-weight:700;font-size:.92rem;text-decoration:none;color:var(--navy-ink);padding:4px 0;border-bottom:3px solid transparent}
nav.main a:hover,nav.main a[aria-current="page"]{border-bottom-color:var(--red)}
.call-cta{background:var(--red);color:#fff!important;font-family:var(--display);font-weight:800;font-size:1.02rem!important;padding:10px 18px!important;border-radius:6px;border-bottom:none!important;box-shadow:0 3px 0 var(--red-dark);white-space:nowrap;text-decoration:none}
.call-cta:hover{transform:translateY(-1px);box-shadow:0 4px 0 var(--red-dark)}
.nav-toggle{display:none;background:var(--navy);border:0;color:#fff;font-size:1rem;font-weight:700;padding:9px 13px;border-radius:6px;cursor:pointer;min-height:44px;min-width:44px}
@media(max-width:920px){
  nav.main{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;border-bottom:3px solid var(--navy);box-shadow:0 14px 24px rgba(10,20,80,.18)}
  nav.main.open{display:flex}
  nav.main a{padding:14px 22px;border-bottom:1px solid var(--line);min-height:44px;display:flex;align-items:center}
  nav.main .call-cta{margin:12px 22px 16px;justify-content:center;border-radius:6px}
  .nav-toggle{display:block}
  .brand img{height:44px}
}

/* ---------- open chip ---------- */
.open-chip{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;padding:6px 12px;border-radius:999px;border:1.5px solid rgba(255,255,255,.5);color:#fff;background:rgba(7,20,87,.55);backdrop-filter:blur(3px)}
.open-chip .dot{width:9px;height:9px;border-radius:50%;background:#39d353;flex:none;animation:pulse 2s infinite}
.open-chip.closed .dot{background:var(--gold);animation:none}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(57,211,83,.5)}50%{box-shadow:0 0 0 6px rgba(57,211,83,0)}}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;background:var(--navy-deep)}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,16,60,.55) 0%,rgba(7,16,60,.72) 60%,rgba(7,16,60,.9) 100%)}
.hero .inner{position:relative;padding:96px 22px 110px;max-width:1160px;margin:0 auto}
.hero h1{color:#fff;font-size:clamp(2.4rem,6vw,4.4rem);font-weight:900;max-width:17ch;text-wrap:balance;text-shadow:0 2px 18px rgba(0,0,20,.45)}
.hero .sub{font-family:var(--display);font-weight:600;font-size:clamp(1.05rem,2.2vw,1.45rem);color:#e8ecff;margin-top:14px;max-width:44ch}
.hero .ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:1.12rem;text-decoration:none;padding:15px 26px;border-radius:6px;min-height:44px}
.btn-red{background:var(--red);color:#fff;box-shadow:0 4px 0 var(--red-dark)}
.btn-red:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:2px solid rgba(255,255,255,.65)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-navy{background:var(--navy);color:#fff;box-shadow:0 4px 0 var(--navy-deep)}
.hero .est-badge{position:absolute;right:34px;bottom:34px;width:128px;height:128px;border-radius:50%;border:2px dashed rgba(255,255,255,.75);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;transform:rotate(7deg);background:rgba(10,28,141,.35);backdrop-filter:blur(2px)}
.hero .est-badge .yr{font-family:var(--display);font-weight:900;font-size:1.9rem;line-height:1}
.hero .est-badge span{font-size:.62rem;letter-spacing:.18em;font-weight:700}
@media(max-width:720px){.hero .inner{padding:64px 22px 78px}.hero .est-badge{display:none}}

/* ---------- emergency band ---------- */
.emergency{background:var(--red);color:#fff}
.emergency .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-top:20px;padding-bottom:20px}
.emergency .msg{font-family:var(--display);font-weight:800;font-size:clamp(1.1rem,2.6vw,1.6rem);letter-spacing:.02em}
.emergency .hours{font-size:.85rem;font-weight:600;opacity:.92}
.emergency a.btn{background:#fff;color:var(--red);box-shadow:0 4px 0 rgba(0,0,0,.25);font-size:1.05rem;padding:12px 22px}
.hazard{height:10px;background:repeating-linear-gradient(-45deg,var(--navy-deep) 0 16px,#fff 16px 24px)}

/* ---------- sections ---------- */
section.pad{padding:78px 0}
section.pad-s{padding:56px 0}
.dark{background:var(--navy-ink);color:#dfe4ff}
.dark h2,.dark h3{color:#fff}
.dark .lede{color:#aab3e0}
.navy-band{background:var(--navy);color:#fff}

/* service cards */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:40px}
@media(max-width:920px){.svc-grid{grid-template-columns:1fr}}
.svc-card{background:var(--card);border:1px solid var(--line);border-top:5px solid var(--navy);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:var(--ink);transition:transform .25s ease,box-shadow .25s ease}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 18px 34px rgba(10,20,80,.16)}
.svc-card img{height:210px;object-fit:cover;width:100%}
.svc-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.svc-card h3{display:flex;align-items:center;gap:10px}
.svc-card p{color:var(--muted);font-size:.95rem;flex:1}
.svc-card .go{font-weight:800;color:var(--red);font-size:.88rem;letter-spacing:.06em;text-transform:uppercase}

/* ledger rule */
.ledger{border:none;border-top:3px double var(--navy);opacity:.35;margin:0}

/* ---------- heritage timeline (signature) ---------- */
.timeline{position:relative;margin-top:46px;padding-left:34px}
.timeline .rail{position:absolute;left:11px;top:6px;bottom:6px;width:4px;background:var(--line);border-radius:2px;overflow:hidden}
.timeline .rail .fill{position:absolute;top:0;left:0;width:100%;height:0%;background:var(--red);transition:height .15s linear}
.tl-item{position:relative;padding:0 0 40px 22px}
.tl-item:last-child{padding-bottom:6px}
.tl-item .yr{position:absolute;left:-34px;top:-4px;width:56px;height:56px;border-radius:50%;background:#fff;border:2.5px dashed var(--navy);color:var(--navy);font-family:var(--display);font-weight:900;font-size:.92rem;display:flex;align-items:center;justify-content:center;transform:rotate(-8deg) scale(.7);opacity:0;transition:transform .55s cubic-bezier(.2,1.4,.4,1),opacity .4s ease}
.tl-item.stamped .yr{transform:rotate(-4deg) scale(1);opacity:1}
.tl-item h3{margin-bottom:6px;padding-top:8px}
.tl-item p{color:var(--muted);max-width:64ch}
@media (prefers-reduced-motion:reduce){.tl-item .yr{opacity:1;transform:none}.timeline .rail .fill{height:100%!important}}

/* ---------- video bulletin ---------- */
.bulletin{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 24px 50px rgba(10,20,80,.14);overflow:hidden;max-width:860px;margin:42px auto 0}
.bulletin .tag{display:flex;justify-content:space-between;align-items:center;background:var(--navy);color:#fff;padding:12px 20px;font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase}
.bulletin .tag .date{color:#aab8ff;font-weight:600;text-transform:none;letter-spacing:0}
.bulletin video{width:100%;height:auto;display:block;background:#000}
.bulletin .note{padding:12px 20px;font-size:.82rem;color:var(--muted);border-top:1px solid var(--line)}

/* ---------- reviews ---------- */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
@media(max-width:980px){.rev-grid{grid-template-columns:1fr 1fr}}
@media(max-width:660px){.rev-grid{grid-template-columns:1fr}}
.rev{background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:26px 24px;position:relative;transition:transform .25s ease,box-shadow .25s ease}
.rev:hover{transform:translateY(-5px);box-shadow:0 16px 30px rgba(0,0,30,.25)}
.rev .stars{color:var(--gold);letter-spacing:3px;font-size:1rem;margin-bottom:10px}
.rev p{font-size:.93rem;color:#3c4258}
.rev .who{margin-top:14px;font-weight:800;font-size:.9rem;color:var(--navy)}
.rev .src{font-size:.75rem;color:var(--muted)}
.rev-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;justify-content:center}

/* ---------- financing ---------- */
.fin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
@media(max-width:920px){.fin-grid{grid-template-columns:1fr}}
.fin{background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px 26px;border-top:5px solid var(--red);transition:transform .25s ease,box-shadow .25s ease}
.fin:hover{transform:translateY(-5px);box-shadow:0 16px 30px rgba(10,20,80,.14)}
.fin .big{font-family:var(--display);font-weight:900;font-size:1.55rem;color:var(--navy);line-height:1.15;margin-bottom:12px}
.fin p{font-size:.82rem;color:var(--muted)}
.fine{font-size:.75rem;color:var(--muted);margin-top:26px;text-align:center}

/* ---------- page hero (subpages) ---------- */
.page-hero{position:relative;color:#fff;background:var(--navy-deep);overflow:hidden}
.page-hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.page-hero .inner{position:relative;max-width:1160px;margin:0 auto;padding:78px 22px}
.page-hero h1{color:#fff;font-size:clamp(2.1rem,5vw,3.4rem);font-weight:900}
.page-hero .crumb{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#b8c2ff;margin-bottom:10px}

/* ---------- content blocks ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;margin-top:40px}
@media(max-width:880px){.split{grid-template-columns:1fr}}
.split img{border-radius:8px;box-shadow:0 20px 44px rgba(10,20,80,.2);width:100%;height:auto}
.framed{border:1px solid var(--line);border-radius:8px;background:#fff;padding:34px 32px}

.icon-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:40px}
@media(max-width:760px){.icon-grid{grid-template-columns:1fr}}
.icon-card{background:#fff;border:1px solid var(--line);border-left:5px solid var(--red);border-radius:8px;padding:26px 26px;display:flex;gap:20px;transition:transform .25s ease,box-shadow .25s ease}
.icon-card:hover{transform:translateY(-4px);box-shadow:0 14px 28px rgba(10,20,80,.12)}
.icon-card img{width:62px;height:62px;object-fit:contain;flex:none}
.icon-card p{color:var(--muted);font-size:.93rem;margin-top:6px}

.check-list{list-style:none;margin-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:12px 30px}
@media(max-width:700px){.check-list{grid-template-columns:1fr}}
.check-list li{padding-left:30px;position:relative;font-weight:600}
.check-list li::before{content:"";position:absolute;left:0;top:5px;width:16px;height:16px;background:var(--red);clip-path:polygon(14% 44%,0 60%,40% 100%,100% 16%,84% 4%,40% 70%)}
.dark .check-list li::before{background:var(--gold)}

.plate{display:inline-block;background:var(--navy);color:#fff;font-family:var(--display);font-weight:800;padding:6px 14px;border-radius:4px;font-size:1rem;letter-spacing:.04em}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:40px auto 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;font-family:var(--display);font-weight:700;font-size:1.08rem;padding:18px 22px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--red);flex:none;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 22px 20px;color:var(--muted);font-size:.95rem}

/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
@media(max-width:680px){.form-grid{grid-template-columns:1fr}}
.form-grid label{display:block;font-weight:700;font-size:.85rem;margin-bottom:6px}
.form-grid input,.form-grid textarea{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:6px;font-family:var(--ui);font-size:1rem;background:#fff;min-height:44px}
.form-grid input:focus,.form-grid textarea:focus{outline:2px solid var(--navy);border-color:var(--navy)}
.form-grid .full{grid-column:1/-1}
.form-status{margin-top:14px;font-weight:700;display:none}

/* ---------- footer ---------- */
footer.site{background:var(--navy-deep);color:#c6cdf5;font-size:.92rem}
footer.site .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:38px;padding:64px 0 44px}
@media(max-width:920px){footer.site .cols{grid-template-columns:1fr 1fr}}
@media(max-width:600px){footer.site .cols{grid-template-columns:1fr}}
footer.site h4{font-family:var(--display);color:#fff;font-size:1.05rem;margin-bottom:14px;letter-spacing:.03em}
footer.site a{color:#e6eaff;text-decoration:none}
footer.site a:hover{text-decoration:underline}
footer.site ul{list-style:none}
footer.site li{margin-bottom:9px}
footer.site .logo-blur{background:#fff;border-radius:6px;padding:10px 14px;display:inline-block;margin-bottom:16px}
footer.site .logo-blur img{height:44px}
.emg-foot{color:var(--gold);font-weight:800;letter-spacing:.02em}
.legal{border-top:1px solid rgba(255,255,255,.14);padding:18px 0 90px;font-size:.78rem;color:#8b95cf;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}
@media(min-width:769px){.legal{padding-bottom:22px}}

/* ---------- back to top (their original arrow asset) ---------- */
.back-top{position:fixed;right:18px;bottom:20px;z-index:55;opacity:0;pointer-events:none;transition:opacity .3s ease;background:var(--navy);border-radius:50%;padding:6px;box-shadow:0 6px 16px rgba(0,0,30,.3)}
.back-top.show{opacity:.92;pointer-events:auto}
.back-top img{width:28px;height:28px}
@media(max-width:768px){.back-top{bottom:78px}}

/* ---------- sticky mobile call bar ---------- */
.mobile-call{position:fixed;bottom:0;left:0;right:0;z-index:65;display:none;grid-template-columns:1fr 1fr;box-shadow:0 -6px 18px rgba(0,0,20,.3)}
.mobile-call a{display:flex;align-items:center;justify-content:center;gap:8px;font-family:var(--display);font-weight:800;font-size:1.02rem;text-decoration:none;padding:15px 8px;min-height:52px}
.mobile-call .c1{background:var(--red);color:#fff}
.mobile-call .c2{background:var(--navy);color:#fff}
@media(max-width:768px){.mobile-call{display:grid}}