/* Altman Air Conditioning Co., Inc. — concept preview build
   Palette from the business's own branding: deep blues #012F59 / #014F96,
   sky blues #2F83C6 / #67ACD2, accent yellow #FFCA38. */
:root{
  --navy:#012F59;
  --blue:#014F96;
  --blue2:#01519A;
  --sky:#2F83C6;
  --pale:#67ACD2;
  --mist:#EAF2F9;
  --mist2:#D9E9F5;
  --yellow:#FFCA38;
  --ink:#15242F;
  --slate:#3D5261;
  --line:#C4D6E6;
  --white:#fff;
  --radius:14px;
  --shadow:0 18px 44px rgba(1,47,89,.22);
  --font:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-d:"Arial Narrow","Segoe UI",system-ui,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }
body{
  margin:0; font-family:var(--font); color:var(--ink); background:var(--white);
  font-size:17px; line-height:1.6; -webkit-font-smoothing:antialiased;
}
img{max-width:100%; height:auto; display:block}
a{color:var(--blue)}
a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--sky); outline-offset:3px; border-radius:4px}
h1,h2,h3{font-family:var(--font-d); color:var(--navy); line-height:1.08; margin:0 0 .5em; letter-spacing:.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem); font-weight:800; text-transform:uppercase}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem); font-weight:800; text-transform:uppercase}
h3{font-size:1.25rem; font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:1220px; margin:0 auto; padding:0 22px}
.eyebrow{
  display:inline-flex; align-items:center; gap:10px; font-weight:700; font-size:.82rem;
  letter-spacing:.16em; text-transform:uppercase; color:var(--blue); margin:0 0 14px;
}
.eyebrow::before{content:""; width:34px; height:5px; background:var(--yellow); transform:skewX(-24deg)}
.on-dark .eyebrow{color:var(--pale)}
.lede{font-size:1.14rem; color:var(--slate); max-width:62ch}
.on-dark .lede{color:var(--mist2)}

/* ---------- skip link: rests fully off-canvas, appears on focus ---------- */
.skip-link{
  position:fixed; top:0; left:16px; z-index:1000;
  transform:translateY(-400%);
  background:var(--navy); color:#fff; padding:14px 22px; font-weight:700;
  border-radius:0 0 10px 10px; text-decoration:none;
}
.skip-link:focus-visible{transform:translateY(0); color:#fff}

/* ---------- preview banner + watermark ---------- */
.preview-banner{
  background:var(--navy); color:#fff; text-align:center;
  font-size:.83rem; letter-spacing:.04em; padding:8px 16px; position:relative; z-index:60;
}
.watermark{
  position:fixed; inset:0; z-index:900; pointer-events:none;
  background-image:url("preview-tile.png"); background-repeat:repeat; background-size:520px 520px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:100; background:#fff;
  border-bottom:3px solid var(--navy);
  box-shadow:0 4px 18px rgba(1,47,89,.10);
}
.header-in{display:flex; align-items:center; gap:18px; max-width:1220px; margin:0 auto; padding:10px 22px}
.brand{display:flex; align-items:center; margin-right:auto; text-decoration:none}
.brand img{height:54px; width:auto}
.header-call{flex:0 0 auto}
.menu-btn{
  flex:0 0 auto; margin-left:6px; min-height:48px; min-width:96px;
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  background:var(--navy); color:#fff; border:2px solid var(--navy); border-radius:10px;
  font:700 1rem var(--font); cursor:pointer; padding:10px 18px;
}
.menu-btn:hover{background:var(--blue)}
.menu-btn .bars{display:inline-flex; flex-direction:column; gap:4px; width:20px}
.menu-btn .bars span{display:block; height:3px; background:var(--yellow); border-radius:2px}
.menu-panel{
  position:fixed; left:0; right:0; z-index:200; background:var(--navy);
  box-shadow:0 30px 50px rgba(1,47,89,.4); overflow-y:auto; overscroll-behavior:contain;
  padding:10px 0 26px; border-top:4px solid var(--yellow);
}
.menu-panel[hidden]{display:none}
.menu-panel nav{max-width:1220px; margin:0 auto; padding:0 22px}
.menu-panel ul{list-style:none; margin:0; padding:0; display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:2px 34px}
.menu-panel a{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  color:#fff; text-decoration:none; font-weight:600; padding:13px 6px;
  border-bottom:1px solid rgba(255,255,255,.14); min-height:48px;
}
.menu-panel a::after{content:"›"; color:var(--yellow); font-size:1.3em; line-height:1}
.menu-panel a:hover{color:var(--yellow)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  min-height:52px; padding:13px 26px; border-radius:10px; border:2px solid transparent;
  font:700 1rem var(--font); text-decoration:none; cursor:pointer; text-align:center;
}
.btn:active{transform:scale(.97)}
.btn-navy{background:var(--navy); color:#fff; border-color:var(--navy)}
.btn-navy:hover{background:var(--blue); color:#fff}
.btn-call{background:var(--yellow); color:var(--navy); border-color:var(--yellow)}
.btn-call:hover{background:#ffd35c; color:var(--navy)}
.btn-ghost{background:transparent; color:#fff; border-color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12); color:#fff}
.btn-sky{background:var(--sky); color:#fff; border-color:var(--sky)}
.btn-sky:hover{background:var(--blue); color:#fff}

/* ---------- hero ---------- */
.hero{position:relative; background:var(--navy); color:#fff; overflow:hidden}
.hero-media{position:absolute; inset:0}
.hero-media img{width:100%; height:100%; object-fit:cover; object-position:center}
.hero-shade{
  position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(1,47,89,.97) 30%, rgba(1,47,89,.82) 55%, rgba(1,47,89,.25) 82%);
}
.hero-in{position:relative; z-index:2; max-width:1220px; margin:0 auto; padding:64px 22px 0;
  display:grid; grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr); gap:44px; align-items:start}
.hero h1{color:#fff}
.hero h1 .accent{color:var(--yellow)}
.hero .answer{font-size:1.16rem; color:var(--mist2); max-width:56ch}
.hero-ctas{display:flex; flex-wrap:wrap; gap:14px; margin:26px 0 8px}
.trust-stack{list-style:none; margin:22px 0 0; padding:18px 0 30px; display:flex; flex-wrap:wrap; gap:10px 26px;
  border-top:1px solid rgba(255,255,255,.25); font-weight:600; color:#fff; font-size:.98rem}
.trust-stack li{display:flex; align-items:center; gap:9px}
.trust-stack li::before{content:""; width:11px; height:11px; background:var(--yellow); transform:rotate(45deg); flex:0 0 auto}
.trust-stack a{color:var(--blue); text-decoration:underline; text-underline-offset:3px}
.hero .trust-stack a{color:#fff}
.hero-form-col{padding-bottom:56px}
.form-card{
  background:#fff; color:var(--ink); border-radius:var(--radius); box-shadow:var(--shadow);
  padding:28px 26px 26px; border-top:6px solid var(--yellow);
}
.form-card h2,.form-card h3{font-size:1.45rem; text-transform:none; font-family:var(--font-d)}
.form-card .form-sub{color:var(--slate); font-size:.98rem; margin-bottom:16px}

/* overlap: hero form card pulls the next band up on wide screens */
.band-after-hero{margin-top:0}

/* ---------- forms ---------- */
.field{margin-bottom:15px}
.field label{display:block; font-weight:700; font-size:.92rem; color:var(--navy); margin-bottom:6px}
.field .why{font-weight:400; color:var(--slate); font-size:.86rem}
.field input,.field select,.field textarea{
  width:100%; min-height:50px; padding:12px 14px; font:inherit; color:var(--ink);
  background:#fff; border:2px solid var(--line); border-radius:9px;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--sky); outline:3px solid rgba(47,131,198,.35); outline-offset:1px}
.field [aria-invalid="true"]{border-color:#B3261E}
.form-error{
  display:none; background:#FDECEA; border:2px solid #B3261E; color:#7A1B16;
  border-radius:9px; padding:12px 16px; font-weight:600; margin-bottom:16px;
}
.form-error.show{display:block}
.form-fineprint{font-size:.85rem; color:var(--slate); margin-top:12px}

/* ---------- bands & sections ---------- */
.section{padding:74px 0}
.section.tight{padding:52px 0}
.band-navy{background:var(--navy); color:#fff; position:relative}
.band-navy h2,.band-navy h3{color:#fff}
.band-mist{background:var(--mist)}
.band-slant{clip-path:polygon(0 0,100% 26px,100% 100%,0 100%)}
.split{display:grid; grid-template-columns:1fr 1fr; gap:52px; align-items:center}
.split.wide-left{grid-template-columns:1.15fr .85fr}
.split.wide-right{grid-template-columns:.85fr 1.15fr}
.photo-frame{position:relative}
.photo-frame img{border-radius:var(--radius); box-shadow:var(--shadow)}
.photo-frame::after{
  content:""; position:absolute; right:-16px; bottom:-16px; width:46%; height:14px;
  background:var(--yellow); transform:skewX(-24deg); z-index:-1;
}
.photo-stack{position:relative; padding-bottom:52px}
.photo-stack .back{position:absolute; right:0; bottom:0; width:56%; border:6px solid #fff; border-radius:var(--radius); box-shadow:var(--shadow)}
.photo-stack .front{width:78%; border-radius:var(--radius); box-shadow:var(--shadow)}

/* quick-glance summary strip (homepage first body section) */
.glance{background:#fff; padding:58px 0 8px}
.glance h2{font-size:1.5rem}
.glance-links{list-style:none; margin:26px 0 0; padding:0; border-top:2px solid var(--mist2)}
.glance-links li{border-bottom:2px solid var(--mist2)}
.glance-links a{
  display:flex; align-items:baseline; gap:18px; padding:17px 8px; text-decoration:none;
  color:var(--navy); font-weight:700; font-size:1.13rem; min-height:48px;
}
.glance-links a small{font-weight:400; color:var(--slate); font-size:.95rem; margin-left:auto; text-align:right}
.glance-links a:hover{color:var(--blue); background:var(--mist)}
.glance-links a .arr{color:var(--sky); font-size:1.25em}

/* service rows on the hub: staggered, offset, not a uniform grid */
.svc-rows{display:flex; flex-direction:column; gap:26px; margin-top:36px}
.svc-row{
  display:grid; grid-template-columns:300px 1fr; gap:0; background:#fff; border-radius:var(--radius);
  overflow:hidden; box-shadow:0 10px 30px rgba(1,47,89,.12); text-decoration:none; color:var(--ink);
}
.svc-row:nth-child(even){margin-left:6%}
.svc-row:nth-child(odd){margin-right:6%}
.svc-row img{width:100%; height:100%; object-fit:cover; min-height:190px}
.svc-row .svc-body{padding:26px 30px}
.svc-row h3{font-size:1.45rem; margin-bottom:8px}
.svc-row p{color:var(--slate); margin-bottom:12px}
.svc-row .go{font-weight:700; color:var(--blue)}
.svc-row:hover .go{color:var(--navy); text-decoration:underline}

/* cards: used sparingly, varied widths */
.cards{display:grid; grid-template-columns:repeat(12,1fr); gap:22px; margin-top:34px}
.card{background:#fff; border-radius:var(--radius); padding:28px 26px; box-shadow:0 10px 28px rgba(1,47,89,.12); border-top:5px solid var(--sky)}
.card.span4{grid-column:span 4}.card.span6{grid-column:span 6}.card.span8{grid-column:span 8}
.card.span12{grid-column:span 12}
.card h3{margin-bottom:8px}
.card p{color:var(--slate)}
.card p:last-child{margin-bottom:0}
.band-navy .card{background:var(--blue2); color:#fff; border-top-color:var(--yellow); box-shadow:none}
.band-navy .card p{color:var(--mist2)}
.band-navy .card h3{color:#fff}

/* numbered steps: genuine processes only */
.steps{list-style:none; counter-reset:step; margin:30px 0 0; padding:0; display:grid; gap:20px}
.steps li{
  counter-increment:step; position:relative; background:#fff; border-radius:var(--radius);
  padding:24px 26px 22px 96px; box-shadow:0 8px 24px rgba(1,47,89,.10); min-height:86px;
}
.steps li::before{
  content:counter(step,decimal-leading-zero); position:absolute; left:24px; top:20px;
  font:800 1.9rem var(--font-d); color:var(--navy); background:var(--yellow);
  padding:4px 10px; transform:skewX(-8deg); border-radius:6px;
}
.steps h3{margin-bottom:4px; font-size:1.15rem}
.steps p{color:var(--slate); margin:0}
.band-mist .steps li{background:#fff}

/* fact block */
.fact-block{background:var(--mist); border-left:6px solid var(--yellow); border-radius:0 var(--radius) var(--radius) 0; padding:28px 30px}
.fact-block ul{margin:0; padding-left:20px}
.fact-block li{margin-bottom:7px}
.check-list{list-style:none; margin:0; padding:0}
.check-list li{padding:9px 0 9px 34px; position:relative; border-bottom:1px solid var(--line)}
.check-list li:last-child{border-bottom:none}
.check-list li::before{content:""; position:absolute; left:2px; top:15px; width:12px; height:12px; background:var(--sky); transform:rotate(45deg)}

/* FAQ */
.faq-list{margin-top:30px; border-top:2px solid var(--mist2)}
.faq{border-bottom:2px solid var(--mist2)}
.faq-q{
  width:100%; display:flex; justify-content:space-between; align-items:center; gap:16px;
  background:none; border:none; cursor:pointer; text-align:left; min-height:56px;
  font:700 1.08rem var(--font); color:var(--navy); padding:16px 6px;
}
.faq-q .chev{color:var(--sky); font-size:1.4em; line-height:1; transition:transform .25s}
.faq-q[aria-expanded="true"] .chev{transform:rotate(45deg)}
.faq-a{padding:2px 6px 22px; color:var(--slate); max-width:75ch}
.faq-a p:last-child{margin-bottom:0}

/* page head (inner pages) */
.page-head{background:var(--navy); color:#fff; position:relative; overflow:hidden}
.page-head::after{
  content:""; position:absolute; right:-70px; top:0; bottom:0; width:340px;
  background:linear-gradient(115deg, transparent, rgba(103,172,210,.28));
  transform:skewX(-16deg);
}
.page-head .wrap{position:relative; z-index:1; padding-top:56px; padding-bottom:60px}
.page-head h1{color:#fff; font-size:clamp(1.9rem,4.4vw,3rem)}
.page-head .answer{color:var(--mist2); font-size:1.13rem; max-width:64ch}
.page-head .hero-ctas{margin-top:22px}

/* industries: flowing tag field, not boxes */
.ind-field{display:flex; flex-wrap:wrap; gap:12px; margin-top:30px; padding:0; list-style:none}
.ind-field li{
  background:#fff; color:var(--navy); font-weight:700; padding:13px 22px; border-radius:999px;
  box-shadow:0 6px 18px rgba(1,47,89,.12); border-left:6px solid var(--yellow);
}
.band-navy .ind-field li{background:var(--blue2); color:#fff}

/* gallery */
.gallery-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:34px}
.g-item{border:none; padding:0; background:none; cursor:pointer; border-radius:12px; overflow:hidden; position:relative}
.g-item img{width:100%; height:100%; object-fit:cover; aspect-ratio:4/3; transition:transform .35s}
.g-item:hover img,.g-item:focus-visible img{transform:scale(1.05)}
.g-cell{display:block}
.g-cell.tall{grid-row:span 2}
.g-cell .g-item{width:100%; height:100%}
.g-cell.tall .g-item img{aspect-ratio:auto; height:100%}
.g-item .g-cap{
  position:absolute; left:0; right:0; bottom:0; padding:22px 14px 10px; text-align:left;
  background:linear-gradient(transparent, rgba(1,47,89,.85)); color:#fff; font-size:.88rem; font-weight:600;
}
dialog.lightbox{
  border:none; border-radius:var(--radius); padding:0; max-width:min(920px,92vw);
  background:var(--navy); color:#fff; box-shadow:var(--shadow);
}
dialog.lightbox::backdrop{background:rgba(1,25,48,.82)}
.lb-fig{margin:0}
.lb-fig img{width:100%; max-height:70vh; object-fit:contain; background:#000}
.lb-cap{padding:14px 20px; font-weight:600}
.lb-bar{display:flex; justify-content:space-between; gap:10px; padding:0 14px 14px}
.lb-btn{min-height:48px; min-width:48px; padding:10px 20px; border-radius:9px; border:2px solid var(--pale);
  background:transparent; color:#fff; font:700 1rem var(--font); cursor:pointer}
.lb-btn:hover{background:var(--blue)}

/* areas */
.area-cols{columns:3; column-gap:44px; margin-top:26px}
.area-cols li{break-inside:avoid; padding:8px 0; border-bottom:1px solid var(--line); list-style:none}
.area-cols ul{margin:0; padding:0}

/* footer */
.site-footer{background:var(--navy); color:var(--mist2); padding:64px 0 0; margin-top:0}
.footer-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr 1.1fr; gap:40px}
.site-footer h3{color:#fff; font-size:1.05rem; text-transform:uppercase; letter-spacing:.06em}
.site-footer a{color:var(--mist2); text-decoration:none}
.site-footer a:hover{color:var(--yellow)}
.footer-nav{list-style:none; margin:0; padding:0}
.footer-nav li{margin-bottom:9px}
.footer-logo{background:#fff; border-radius:10px; padding:12px 14px; display:inline-block; margin-bottom:16px}
.footer-logo img{height:46px; width:auto}
.footer-bar{border-top:1px solid rgba(255,255,255,.2); margin-top:46px; padding:20px 0 26px; font-size:.9rem}
.footer-bar p{margin:0 0 6px}
.built-by{font-weight:700}
.built-by a{color:var(--yellow)}

/* sticky mobile action bar */
.action-bar{
  display:none; position:fixed; left:0; right:0; bottom:0; z-index:300;
  background:var(--navy); border-top:3px solid var(--yellow);
  padding-bottom:env(safe-area-inset-bottom,0px);
  grid-template-columns:1fr 1.15fr 1fr;
  transition:transform .3s ease;
}
.action-bar a{
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px;
  min-height:58px; padding:9px 4px calc(9px + 0px); color:#fff; text-decoration:none;
  font-weight:700; font-size:.94rem; text-align:center;
}
.action-bar a .sub{font-size:.72rem; font-weight:400; color:var(--mist2)}
.action-bar a.mid{background:var(--yellow); color:var(--navy)}
.action-bar a.mid .sub{color:var(--navy)}
.action-bar.bar-hidden{transform:translateY(110%)}
@media (max-width:860px){
  .action-bar{display:grid}
  body{padding-bottom:64px}
}

/* responsive */
@media (max-width:1020px){
  .hero-in{grid-template-columns:1fr; gap:30px; padding-top:48px}
  .hero-form-col{padding-bottom:44px; max-width:560px}
  .split,.split.wide-left,.split.wide-right{grid-template-columns:1fr; gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .svc-row{grid-template-columns:1fr}
  .svc-row:nth-child(even),.svc-row:nth-child(odd){margin:0}
  .svc-row img{min-height:0; aspect-ratio:16/8}
  .cards .card{grid-column:span 12 !important}
  .area-cols{columns:2}
}
@media (max-width:560px){
  body{font-size:16px}
  .brand img{height:42px}
  .header-call .btn{padding:11px 14px; min-height:48px}
  .menu-btn{min-width:0; padding:10px 13px}
  .footer-grid{grid-template-columns:1fr}
  .area-cols{columns:1}
  .steps li{padding-left:84px}
  .section{padding:54px 0}
}

/* Visual-pass fixes 2026-10-29: dark-surface label contrast + full-width closing photo */
.hero .eyebrow,.page-head .eyebrow,.band-navy .eyebrow,.cta-band .eyebrow{color:var(--pale)}
.band-navy .lede,.cta-band .lede{color:var(--mist2)}
.img-wide{width:100%}