/* hvacbig.com — "Fleet" direction
   red #c8102e / navy #0b1f44 / white / steel #e9ebef
   Alfa Slab One (display) + Roboto Condensed (everything else) */

:root{
  --red:#c8102e;
  --red-ink:#a30d25;
  --navy:#0b1f44;
  --navy-soft:#16305f;
  --white:#ffffff;
  --steel:#e9ebef;
  --steel-2:#f4f5f7;
  --body:#2e3a55;
  --line:#0b1f44;
  --shadow:6px 6px 0 var(--navy);
  --shadow-sm:4px 4px 0 var(--navy);
  --wrap:1180px;
  --pad:40px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none !important;transition:none !important}
}
body{
  background:var(--white);
  color:var(--navy);
  font-family:"Roboto Condensed",Arial Narrow,Helvetica,sans-serif;
  font-size:17px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.skip{position:absolute;left:-9999px;top:0;background:var(--red);color:#fff;padding:12px 18px;z-index:99}
.skip:focus{left:0}

/* ---------- diagonal stripe ---------- */
.stripe{
  height:10px;
  background:repeating-linear-gradient(135deg,
    var(--red) 0 24px, var(--navy) 24px 48px, var(--white) 48px 56px);
}

/* ---------- header ---------- */
.topbar{
  background:var(--navy);color:#fff;
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:62px}
.logo{font-family:"Alfa Slab One",Georgia,serif;font-size:26px;letter-spacing:.02em;text-transform:none;line-height:1}
.logo span{color:var(--red)}
.mainnav ul{display:flex;gap:26px;list-style:none;align-items:center}
.mainnav a{padding:6px 0;border-bottom:3px solid transparent}
.mainnav a:hover{border-bottom-color:var(--red)}
.mainnav a[aria-current="page"]{border-bottom-color:var(--red)}
.topbar .cta{background:var(--red);padding:11px 18px;white-space:nowrap}
.topbar .cta:hover{background:#e01536}
.navtoggle{display:none;background:none;border:2px solid rgba(255,255,255,.5);color:#fff;
  padding:8px 12px;text-transform:uppercase;letter-spacing:.08em;font-weight:700;font-size:13px}

@media (max-width:940px){
  :root{--pad:20px}
  .navtoggle{display:block}
  .mainnav{display:none;width:100%}
  .topbar .wrap{flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
  .topbar.open .mainnav{display:block}
  .mainnav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 0 4px}
  .mainnav a{display:block;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.18)}
  .topbar .cta{order:3}
}

/* ---------- type ---------- */
h1,h2,h3,.slab{font-family:"Alfa Slab One",Georgia,serif;font-weight:400;text-transform:uppercase;letter-spacing:.005em}
h1{font-size:clamp(42px,7vw,104px);line-height:.95;text-wrap:balance}
h2{font-size:clamp(30px,4vw,52px);line-height:1;text-wrap:balance}
h3{font-size:clamp(21px,2.2vw,26px);line-height:1.08}
p{max-width:66ch}
.lead{font-size:clamp(19px,1.5vw,22px);line-height:1.45}
.eyebrow{font-size:13px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--red)}
em{font-style:normal;color:var(--red)}
strong{font-weight:700}
.muted{color:var(--body)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;background:var(--red);color:#fff;font-weight:700;
  text-transform:uppercase;letter-spacing:.1em;padding:17px 28px;font-size:15px;
  box-shadow:var(--shadow);transition:transform .12s ease,box-shadow .12s ease;
}
.btn:hover{transform:translate(3px,3px);box-shadow:3px 3px 0 var(--navy)}
.btn.ghost{background:transparent;color:var(--navy);border:3px solid var(--navy);box-shadow:none;padding:14px 25px}
.btn.ghost:hover{background:var(--navy);color:#fff;transform:none}
.btn.onnavy{box-shadow:6px 6px 0 rgba(255,255,255,.9)}
.btn.onnavy:hover{box-shadow:3px 3px 0 rgba(255,255,255,.9)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--white)}
.hero .wrap{padding-top:76px;padding-bottom:68px}
.hero h1{max-width:11ch}
.hero p{margin-top:24px;max-width:48ch;font-size:clamp(18px,1.5vw,21px);line-height:1.45}
.hero .actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.hero .sub{margin-top:22px;font-size:15px;letter-spacing:.04em;text-transform:uppercase;font-weight:700;color:var(--body)}
.badge{
  position:absolute;right:0;top:0;width:186px;height:186px;border-radius:50%;
  background:var(--navy);color:#fff;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;transform:rotate(-8deg);
  border:6px solid var(--white);box-shadow:0 0 0 3px var(--navy);
}
.badge b{font-family:"Alfa Slab One",Georgia,serif;font-weight:400;font-size:46px;line-height:1}
.badge span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-top:6px;padding:0 22px;font-weight:700;line-height:1.25}


.hero--inner .wrap{padding-top:56px;padding-bottom:48px}
.hero--inner h1{font-size:clamp(38px,5.6vw,76px);max-width:16ch}
.hero--inner p{max-width:56ch}

/* ---------- metro marquee ---------- */
.cities{
  background:var(--navy);color:#fff;padding:15px 0;overflow:hidden;white-space:nowrap;
  font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:14px;
}
.cities div{display:inline-block;animation:marquee 34s linear infinite}
.cities span{margin:0 28px}
.cities span::after{content:"\2605";margin-left:56px;color:var(--red)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
section{padding:70px 0}
section.tight{padding:52px 0}
section.steel{background:var(--steel-2)}
.sechead{display:flex;flex-wrap:wrap;gap:18px 40px;align-items:flex-end;justify-content:space-between;margin-bottom:34px}
.sechead p{color:var(--body);max-width:52ch}

/* ---------- bordered card grid ---------- */
.grid{display:grid;border:3px solid var(--line)}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.grid article{padding:30px 28px;border-right:3px solid var(--line);border-bottom:3px solid var(--line)}
.grid.two article:nth-child(2n),
.grid.three article:nth-child(3n),
.grid.four article:nth-child(4n){border-right:0}
.grid.two article:nth-last-child(-n+2),
.grid.three article:nth-last-child(-n+3),
.grid.four article:nth-last-child(-n+4){border-bottom:0}
.grid h3 small{display:block;font-family:"Roboto Condensed",sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--red);margin-bottom:9px;text-transform:uppercase}
.grid p{margin-top:13px;color:var(--body);font-size:16px}
.grid ul{margin-top:14px;padding-left:0;list-style:none;font-size:15px;color:var(--body)}
.grid li{padding-left:18px;position:relative;margin-top:6px}
.grid li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--red)}
@media (max-width:940px){
  .grid.two,.grid.three,.grid.four{grid-template-columns:1fr}
  .grid article{border-right:0 !important;border-bottom:3px solid var(--line) !important}
  .grid article:last-child{border-bottom:0 !important}
}

/* ---------- numbered steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step}
.steps article{padding:28px 26px 30px;border-top:6px solid var(--navy);position:relative}
.steps article + article{border-left:3px solid var(--line)}
.steps article::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:"Alfa Slab One",Georgia,serif;font-size:38px;color:var(--red);line-height:1;display:block;margin-bottom:12px;
}
.steps h3{font-size:20px}
.steps p{margin-top:10px;font-size:16px;color:var(--body)}
@media (max-width:940px){
  .steps{grid-template-columns:1fr}
  .steps article + article{border-left:0}
}

/* ---------- split block ---------- */
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:start}
.split .panel{background:var(--navy);color:#fff;padding:36px 34px;box-shadow:var(--shadow)}
.split .panel h3{color:#fff}
.split .panel p{color:#c9d2e2;margin-top:12px;font-size:16px}
.split .panel dl{margin-top:6px}
.split .panel dt{font-family:"Alfa Slab One",Georgia,serif;font-size:22px;text-transform:uppercase;margin-top:22px}
.split .panel dd{color:#c9d2e2;font-size:16px;margin-top:6px}
@media (max-width:940px){.split{grid-template-columns:1fr;gap:34px}}

/* ---------- quote / callout band ---------- */
.band{background:var(--navy);color:#fff}
.band h2{color:#fff}
.band p{color:#c9d2e2}
.band .wrap{padding-top:64px;padding-bottom:64px;display:flex;flex-wrap:wrap;gap:30px 50px;align-items:center;justify-content:space-between}
.band .txt{max-width:44ch}

/* ---------- FAQ ---------- */
.faq{border-top:3px solid var(--line)}
.faq details{border-bottom:3px solid var(--line);padding:20px 0}
.faq summary{
  font-family:"Alfa Slab One",Georgia,serif;font-size:clamp(19px,2vw,23px);text-transform:uppercase;
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:24px;align-items:baseline;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--red);font-size:28px;line-height:1}
.faq details[open] summary::after{content:"\2013"}
.faq p{margin-top:14px;color:var(--body)}

/* ---------- forms ---------- */
.form{display:grid;gap:18px;max-width:560px}
.form label{display:block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:7px}
.form input,.form select,.form textarea{
  width:100%;font:inherit;font-size:17px;padding:13px 14px;border:3px solid var(--navy);
  background:#fff;color:var(--navy);border-radius:0;
}
.form textarea{min-height:130px;resize:vertical}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form .hint{font-size:14px;color:var(--body)}
@media (max-width:640px){.form .row{grid-template-columns:1fr}}
.formnote{margin-top:16px;font-size:15px;color:var(--body);max-width:52ch}

/* ---------- contact detail list ---------- */
.contacts{list-style:none;font-size:17px}
.contacts li{padding:16px 0;border-bottom:3px solid var(--line)}
.contacts li:first-child{border-top:3px solid var(--line)}
.contacts b{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:4px}
.contacts a:hover{text-decoration:underline}

/* ---------- prose list used on inner pages ---------- */
.checklist{list-style:none;margin-top:18px;max-width:62ch}
.checklist li{position:relative;padding-left:26px;margin-top:11px;color:var(--body)}
.checklist li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:10px;background:var(--red)}

/* ---------- footer ---------- */
footer.site{background:var(--navy);color:#fff;padding:56px 0 0}
footer.site .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:44px}
footer.site h4{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--red);margin-bottom:14px;font-weight:700}
footer.site ul{list-style:none;font-size:16px}
footer.site li{margin-top:9px}
footer.site a:hover{text-decoration:underline}
footer.site p{color:#a8b4c9;font-size:16px;margin-top:14px;max-width:38ch}
footer.site .legal{border-top:1px solid rgba(255,255,255,.18);padding:20px 0 26px;display:flex;
  flex-wrap:wrap;gap:12px 26px;justify-content:space-between;font-size:14px;color:#8f9db6;letter-spacing:.04em}
@media (max-width:940px){footer.site .cols{grid-template-columns:1fr 1fr}}
@media (max-width:560px){footer.site .cols{grid-template-columns:1fr}}

/* ---------- mid breakpoints ---------- */
@media (max-width:1120px) and (min-width:941px){
  .grid.four{grid-template-columns:repeat(2,1fr)}
  .grid.four article:nth-child(4n){border-right:3px solid var(--line)}
  .grid.four article:nth-child(2n){border-right:0}
  .grid.four article:nth-last-child(-n+4){border-bottom:3px solid var(--line)}
  .grid.four article:nth-last-child(-n+2){border-bottom:0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps article:nth-child(odd) + article{border-left:3px solid var(--line)}
  .steps article:nth-child(2n+1){border-left:0}
}
@media (max-width:1120px){
  .split{gap:40px}
}

/* ---------- inner heroes ---------- */
.hero .wrap{position:relative}
.hero--inner{background:var(--white);border-bottom:3px solid var(--navy)}
.hero--inner .wrap{position:static}

/* ---------- home hero: wrap-graphic panel (option B) ---------- */
.hero:not(.hero--inner){display:grid;grid-template-columns:55% 45%;padding:0}
.hero:not(.hero--inner) .wrap{grid-column:1;grid-row:1;position:relative;max-width:none;margin:0;padding-left:max(var(--pad),calc((100vw - var(--wrap)) / 2 + var(--pad)));padding-right:32px}
.hero .art{grid-column:2;grid-row:1;position:relative;overflow:hidden;background:var(--navy);min-height:100%}
.hero .art .badge{position:absolute;right:9%;top:9%;z-index:3;background:#fff;color:var(--navy);border-color:var(--navy);box-shadow:0 0 0 3px #fff}
.wrapgfx{position:absolute;inset:0}
.wrapgfx .big{position:absolute;left:-2%;bottom:-6%;font-family:"Alfa Slab One",Georgia,serif;font-size:min(30vw,420px);line-height:.8;color:transparent;-webkit-text-stroke:3px rgba(255,255,255,.55);letter-spacing:-.02em}
.wrapgfx .stripes{position:absolute;left:-20%;right:-20%;bottom:18%;height:110px;transform:rotate(-12deg);border-top:6px solid #fff;border-bottom:6px solid #fff;
  background:repeating-linear-gradient(135deg,var(--red) 0 96px,#fff 96px 120px)}
.wrapgfx .star{position:absolute;left:12%;top:16%;color:var(--red);font-size:64px;line-height:1}
@media (max-width:1040px){
  .hero:not(.hero--inner){grid-template-columns:1fr}
  .hero:not(.hero--inner) .wrap{grid-column:1;grid-row:1;padding-left:var(--pad);padding-right:var(--pad)}
  .hero .art{grid-column:1;grid-row:2;min-height:220px}
  .hero .art .badge{display:none}
  .wrapgfx .big{font-size:min(46vw,300px)}
  .wrapgfx .stripes{height:70px;bottom:22%}
}

/* ---------- blog ---------- */
.postlist{border-top:3px solid var(--line)}
.postlist article{display:grid;grid-template-columns:150px 1fr;gap:24px;padding:28px 0;border-bottom:3px solid var(--line)}
.postlist time{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--red);padding-top:6px}
.postlist h2{font-size:clamp(24px,2.6vw,32px)}
.postlist h2 a:hover{color:var(--red)}
.postlist p{margin-top:10px;color:var(--body)}
.post{max-width:760px}
.post .meta{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--red);margin-bottom:14px}
.post .meta a:hover{text-decoration:underline}
.post h1{font-size:clamp(34px,5vw,60px);max-width:14ch}
.post .lead{margin-top:20px;max-width:56ch}
.post .body{font-size:18px;line-height:1.6;color:var(--navy)}
.post .body > :first-child{margin-top:0}
.post .body p{margin-top:18px;max-width:66ch}
.post .body h2{font-size:clamp(22px,2.4vw,30px);margin-top:40px}
.post .body ul,.post .body ol{margin-top:14px;padding-left:22px;max-width:62ch}
.post .body li{margin-top:8px}
.post .body li::marker{color:var(--red);font-weight:700}
.post .body code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9em;background:var(--steel-2);padding:1px 5px}
.postnav{margin-top:48px;padding-top:24px;border-top:3px solid var(--line);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:14px}
.postnav a:hover{color:var(--red)}
@media (max-width:640px){.postlist article{grid-template-columns:1fr;gap:8px}}