/* ================================================================
   MELTON'S HEATING & AIR CONDITIONING — Design System
   Brand: established family-owned home-comfort. Navy + Ember + Cool.
   Distinct from Slice of the Pie (no orange/yellow SOTP palette).
   ================================================================ */
:root{
  --navy:#0C2A4D;          /* primary / trust / heritage */
  --navy-700:#123B63;
  --navy-900:#081F3A;
  --ember:#F26A2C;         /* heat / CTA */
  --ember-dark:#DA531A;    /* CTA hover */
  --cool:#1F9FB0;          /* cooling accent */
  --cool-dark:#16808F;
  --ink:#0E2136;           /* body text */
  --slate:#4A5A6C;         /* secondary text */
  --slate-light:#7C8A99;   /* captions */
  --cream:#F7F4EF;         /* warm section bg */
  --cloud:#F2F6FA;         /* cool section bg */
  --line:#E4E9EF;          /* borders */
  --white:#FFFFFF;
  --warm-glow:linear-gradient(135deg,#F26A2C 0%,#F7A23B 100%);
  --navy-glow:linear-gradient(150deg,#0C2A4D 0%,#123B63 60%,#1F9FB0 140%);
  --shadow-sm:0 2px 8px rgba(12,42,77,.06);
  --shadow:0 12px 32px rgba(12,42,77,.10);
  --shadow-lg:0 24px 60px rgba(12,42,77,.16);
  --r-lg:22px; --r-md:16px; --r-sm:12px; --pill:999px;
  --maxw:1200px;
  --font-head:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);line-height:1.65;background:var(--white);-webkit-font-smoothing:antialiased;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--cool-dark);text-decoration:none;transition:.18s}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:800;line-height:1.12;letter-spacing:-.02em;color:var(--navy)}
h1{font-size:clamp(2.1rem,5vw,3.5rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
h3{font-size:1.28rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:60px 0}
.bg-cream{background:var(--cream)}
.bg-cloud{background:var(--cloud)}
.bg-navy{background:var(--navy);color:#DCE7F2}
.bg-navy h1,.bg-navy h2,.bg-navy h3{color:#fff}
.eyebrow{font-family:var(--font-head);font-weight:800;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ember);margin-bottom:.6rem;display:block}
.bg-navy .eyebrow{color:#57C7D6}
.lead{font-size:1.15rem;color:var(--slate)}
.bg-navy .lead{color:#B7C7D8}
.center{text-align:center}
.mw-720{max-width:720px;margin-left:auto;margin-right:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-head);font-weight:800;font-size:1rem;padding:15px 30px;border-radius:var(--pill);border:2px solid transparent;cursor:pointer;transition:.18s;line-height:1}
.btn--primary{background:var(--ember);color:#fff;box-shadow:0 8px 22px rgba(242,106,44,.34)}
.btn--primary:hover{background:var(--ember-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(242,106,44,.42)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:var(--navy-700);transform:translateY(-2px)}
.btn--lg{padding:18px 38px;font-size:1.08rem}

/* header */
.topbar{background:var(--navy-900);color:#C9D8E8;font-size:.86rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:8px;padding-bottom:8px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}
.topbar .chips{display:flex;gap:18px;flex-wrap:wrap}
.topbar .chips span{color:#9FB4C8}
header.site{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-head);font-weight:800;color:var(--navy);font-size:1.15rem;letter-spacing:-.02em}
.brand img{height:40px;width:auto;max-width:230px}
.navlinks{display:flex;align-items:center;gap:19px;list-style:none}
.navlinks a{color:var(--ink);font-weight:600;font-size:.93rem}
.navlinks a:hover{color:var(--ember)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-phone{font-family:var(--font-head);font-weight:800;color:var(--navy);font-size:1.05rem;white-space:nowrap}
.nav-phone:hover{color:var(--ember)}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{display:block;width:26px;height:3px;background:var(--navy);border-radius:2px;margin:5px 0;transition:.2s}

/* hero */
.hero{position:relative;background:var(--navy-glow);color:#fff;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:76px 0}
.hero h1{color:#fff}
.hero h1 .accent{color:#FDB47A}
.hero .lead{color:#C7D6E6;font-size:1.2rem;margin:1.2rem 0 1.8rem}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:4/3;background:#0A2038}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-badges{display:flex;gap:20px;flex-wrap:wrap;margin-top:26px}
.hero-badge{display:flex;align-items:center;gap:9px;font-size:.92rem;color:#CFDDEC;font-weight:600}
.hero-badge b{color:#fff}
.star{color:#FDB44B}

/* trust strip */
.trust{background:var(--white);border-bottom:1px solid var(--line)}
.trust .container{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap;padding:22px 24px}
.trust span{font-weight:700;color:var(--slate);font-size:.95rem;display:flex;align-items:center;gap:8px}
.trust .num{color:var(--ember);font-family:var(--font-head);font-weight:800;font-size:1.15rem}

/* grid cards */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:30px;box-shadow:var(--shadow-sm);transition:.2s;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D3DEEA}
.card .ic{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--cream);margin-bottom:16px}
.card .ic svg{width:28px;height:28px}
.card h3{margin-bottom:.5rem}
.card p{color:var(--slate);font-size:.98rem;margin-bottom:1rem}
.card .more{font-family:var(--font-head);font-weight:800;color:var(--ember);font-size:.92rem;display:inline-flex;gap:6px;align-items:center}
.svc-icon{stroke:var(--ember);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* feature split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split img{border-radius:var(--r-lg);box-shadow:var(--shadow);width:100%;object-fit:cover}
.checklist{list-style:none;margin:1.2rem 0}
.checklist li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;color:var(--ink);font-weight:500}
.checklist li::before{content:"";flex:0 0 24px;height:24px;border-radius:50%;background:var(--cool);margin-top:1px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}

/* stats band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .n{font-family:var(--font-head);font-weight:800;font-size:2.6rem;color:#fff;line-height:1}
.stat .l{color:#9FB8D0;font-weight:600;font-size:.95rem;margin-top:6px}

/* reviews */
.review{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--shadow-sm)}
.review .stars{color:#F5A623;font-size:1.05rem;margin-bottom:10px;letter-spacing:2px}
.review p{font-size:1rem;color:var(--ink)}
.review .who{font-weight:700;color:var(--navy);font-size:.92rem;margin-top:8px}

/* CTA band */
.ctaband{background:var(--warm-glow);color:#fff;border-radius:var(--r-lg);padding:52px;text-align:center;box-shadow:var(--shadow)}
.ctaband h2{color:#fff}
.ctaband .lead{color:#FFF1E6}
.ctaband .btn--primary{background:#fff;color:var(--ember);box-shadow:0 8px 22px rgba(0,0,0,.16)}
.ctaband .btn--primary:hover{background:var(--navy);color:#fff}
.ctaband .btn--ghost{border-color:#fff}

/* page header */
.pagehead{background:var(--navy-glow);color:#fff;padding:64px 0 56px}
.pagehead h1{color:#fff;max-width:820px}
.pagehead .lead{color:#C7D6E6;max-width:680px}
.crumbs{font-size:.85rem;color:#9FB8D0;margin-bottom:14px}
.crumbs a{color:#BcurD6}
.crumbs a{color:#8FD3DE}

/* prose */
.prose{max-width:760px}
.prose h2{margin:2rem 0 .8rem}
.prose h3{margin:1.6rem 0 .6rem;color:var(--navy-700)}
.prose ul{margin:0 0 1.2rem 1.2rem}
.prose li{margin-bottom:.5rem}
.faq{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;margin-top:8px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;padding:20px 24px;font-family:var(--font-head);font-weight:700;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--ember);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 24px 20px;color:var(--slate)}

/* price cards */
.price{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:32px;box-shadow:var(--shadow-sm);text-align:center;height:100%}
.price.featured{border:2px solid var(--ember);box-shadow:var(--shadow);position:relative}
.price.featured::before{content:"Most popular";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--ember);color:#fff;font-family:var(--font-head);font-weight:800;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;padding:5px 16px;border-radius:var(--pill)}
.price .amt{font-family:var(--font-head);font-weight:800;font-size:2.4rem;color:var(--navy);margin:.4rem 0}
.price .amt small{font-size:1rem;color:var(--slate-light);font-weight:600}
.price ul{list-style:none;text-align:left;margin:18px 0}
.price ul li{padding:8px 0;border-bottom:1px solid var(--line);color:var(--slate);font-size:.95rem}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery figure{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-sm);background:var(--cloud)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:.3s}
.gallery figure:hover img{transform:scale(1.05)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(8,31,58,.82));color:#fff;padding:26px 16px 12px;font-size:.85rem;font-weight:600}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px}
.info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.info-row .ic{flex:0 0 44px;height:44px;border-radius:12px;background:var(--cream);display:flex;align-items:center;justify-content:center}
.info-row .ic svg{width:22px;height:22px;stroke:var(--ember);fill:none;stroke-width:2}
.info-row b{color:var(--navy);font-family:var(--font-head)}
.form label{display:block;font-weight:700;color:var(--navy);font-size:.9rem;margin:14px 0 6px}
.form input,.form select,.form textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--r-sm);font-family:var(--font-body);font-size:1rem;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cool);box-shadow:0 0 0 3px rgba(31,159,176,.15)}
.mapwrap{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.mapwrap iframe{width:100%;height:320px;border:0;display:block}

/* footer */
footer.site{background:var(--navy-900);color:#A9BDD2;padding:64px 0 26px;font-size:.95rem}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:16px;letter-spacing:.02em}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
footer.site a{color:#A9BDD2}
footer.site a:hover{color:#fff}
footer.site ul{list-style:none}
footer.site ul li{margin-bottom:9px}
.foot-brand img{height:42px;margin-bottom:14px;filter:brightness(0) invert(1)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#7F97AE;font-size:.85rem}

/* blog */
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s;height:100%;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.post-card .thumb{aspect-ratio:16/9;background:var(--navy-glow)}
.post-card .body{padding:22px;flex:1;display:flex;flex-direction:column}
.post-card .tag{font-family:var(--font-head);font-weight:800;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cool-dark)}
.post-card h3{margin:8px 0 8px;font-size:1.12rem}
.post-card p{color:var(--slate);font-size:.94rem}

/* sticky mobile call/book bar */
.mobilebar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(12,42,77,.12);padding:8px}
.mobilebar .container{display:flex;gap:10px;padding:0 10px}
.mobilebar a{flex:1;justify-content:center;padding:14px 8px;font-size:1rem}

/* responsive */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;padding:52px 0}
  .hero-media{order:-1}
  .split{grid-template-columns:1fr;gap:28px}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);gap:30px}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .navlinks,.nav-phone{display:none}
  .hamburger{display:block}
  .navlinks.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;padding:18px 24px;gap:16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .navlinks.open a{font-size:1.05rem}
}
@media(max-width:640px){
  body{font-size:16px}
  .section{padding:60px 0}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .ctaband{padding:36px 22px}
  .mobilebar{display:block}
  body{padding-bottom:72px}
  .topbar .chips{display:none}
}