/* Martin Mechanical LLC */
:root{
  --coal:#14161a;
  --coal-2:#1d2026;
  --steel:#2a2e36;
  --smoke:#8a919d;
  --paper:#f4f2ed;
  --white:#ffffff;
  --orange:#f0731f;
  --orange-deep:#d35f10;
  --line:rgba(255,255,255,.12);
  --line-dark:rgba(20,22,26,.12);
  --max:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-size:17.5px;line-height:1.6;color:var(--coal);background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}

h1,h2,h3,.disp{
  font-family:'Barlow Condensed','Inter',sans-serif;
  font-weight:700;letter-spacing:.01em;line-height:1.06;
  text-transform:uppercase;
}
h1{font-size:clamp(42px,6.5vw,76px)}
h2{font-size:clamp(30px,4vw,44px)}
h3{font-size:clamp(21px,2.2vw,24px);letter-spacing:.03em}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* header */
header{
  position:sticky;top:0;z-index:50;background:rgba(20,22,26,.97);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px);
}
.nav{display:flex;align-items:center;gap:28px;height:92px;max-width:var(--max);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--white);text-decoration:none}
.brand svg,.brand-mark{flex:0 0 auto;display:block}
.brand-chip{background:#fff;border-radius:8px;padding:5px 14px;display:inline-flex;align-items:center}
.brand-chip img{display:block;height:72px;width:auto}
.brand-name{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:24px;line-height:.95;text-transform:uppercase;letter-spacing:.04em}
.brand-name small{display:block;font-size:12px;letter-spacing:.34em;color:var(--orange);font-weight:600}
.nav-links{display:flex;gap:26px;margin-left:auto;list-style:none}
.nav-links a{color:#d7dbe2;text-decoration:none;font-size:15px;font-weight:600;letter-spacing:.02em;padding:8px 2px}
.nav-links a:hover,.nav-links a.on{color:var(--orange)}
.nav-call{
  margin-left:8px;background:var(--orange);color:#fff;text-decoration:none;
  font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:19px;letter-spacing:.05em;text-transform:uppercase;
  padding:12px 22px;border-radius:6px;white-space:nowrap;
}
.nav-call:hover{background:var(--orange-deep)}
@media(max-width:900px){.nav-links{display:none}}

/* hero */
.hero{position:relative;background:var(--coal);color:var(--white);overflow:hidden}
.hero-img{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.hero-grad{position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,15,18,.92) 30%,rgba(14,15,18,.45) 70%,rgba(14,15,18,.2))}
.hero-inner{position:relative;padding:96px 24px 84px;max-width:var(--max);margin:0 auto}
.kicker{
  display:inline-block;font-family:'Barlow Condensed',sans-serif;font-weight:600;font-size:17px;
  letter-spacing:.22em;text-transform:uppercase;color:var(--orange);margin-bottom:18px;
}
.hero p.sub{font-size:clamp(18px,2vw,21px);max-width:640px;margin:22px 0 34px;color:#e8eaee}
.cta-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-block;text-decoration:none;font-family:'Barlow Condensed',sans-serif;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;font-size:21px;padding:16px 30px;border-radius:6px;
}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-deep)}
.btn-ghost{border:2px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange)}
.hero-note{margin-top:16px;font-size:14.5px;color:#aeb4be}

/* trust strip */
.trust{background:var(--coal-2);border-top:1px solid var(--line);border-bottom:3px solid var(--orange)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;max-width:var(--max);margin:0 auto}
.trust-cell{padding:22px 24px;border-left:1px solid var(--line);color:#e6e9ee}
.trust-cell:first-child{border-left:none}
.trust-cell b{display:block;font-family:'Barlow Condensed',sans-serif;font-size:20px;letter-spacing:.04em;text-transform:uppercase;color:#fff}
.trust-cell span{font-size:13.5px;color:var(--smoke)}
@media(max-width:900px){.trust-grid{grid-template-columns:repeat(2,1fr)}.trust-cell:nth-child(3){border-left:none}}

/* sections */
section{padding:84px 0}
.sec-dark{background:var(--coal);color:var(--white)}
.sec-paper{background:var(--paper)}
.lead{font-size:clamp(18px,2vw,20px);max-width:760px;color:#3c4350}
.sec-dark .lead{color:#d9dde4}
.sec-head{margin-bottom:44px}
.sec-head .kicker{margin-bottom:10px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:12px}
.step{background:var(--white);border:1px solid var(--line-dark);border-top:4px solid var(--orange);border-radius:8px;padding:28px}
.step .n{font-family:'Barlow Condensed',sans-serif;font-size:44px;font-weight:700;color:var(--orange);line-height:1}
.step h3{margin:10px 0 8px}
.step p{font-size:16px;color:#4a5160}
@media(max-width:900px){.steps{grid-template-columns:1fr}}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  background:var(--coal-2);border:1px solid var(--line);border-radius:10px;overflow:hidden;
  display:flex;flex-direction:column;
}
.card img{height:190px;object-fit:cover;width:100%}
.card-body{padding:24px 24px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{color:#fff}
.card p{font-size:15.5px;color:#b9bfc9;flex:1}
.card ul{list-style:none;margin:2px 0 0}
.card li{font-size:14.5px;color:#d3d8df;padding:4px 0 4px 20px;position:relative}
.card li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:3px;background:var(--orange)}
.card .more{color:var(--orange);text-decoration:none;font-weight:700;font-size:14.5px;letter-spacing:.04em;text-transform:uppercase}
.card .more:hover{text-decoration:underline}
@media(max-width:980px){.cards{grid-template-columns:1fr 1fr}}
@media(max-width:660px){.cards{grid-template-columns:1fr}}

/* split feature */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.split img{border-radius:10px;box-shadow:0 24px 50px -20px rgba(20,22,26,.45)}
.split h2{margin-bottom:16px}
.split p{margin-bottom:14px;color:#3c4350}
.checklist{list-style:none;margin-top:8px}
.checklist li{padding:9px 0 9px 34px;position:relative;font-size:16.5px}
.checklist li::before{
  content:"";position:absolute;left:0;top:13px;width:18px;height:10px;
  border-left:3px solid var(--orange);border-bottom:3px solid var(--orange);transform:rotate(-45deg);
}
@media(max-width:900px){.split{grid-template-columns:1fr}}

/* sectors */
.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sector{position:relative;border-radius:10px;overflow:hidden;min-height:320px;display:flex;align-items:flex-end;text-decoration:none}
.sector .bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .5s}
.sector:hover .bg{transform:scale(1.045)}
.sector .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,15,18,.05) 30%,rgba(14,15,18,.88))}
.sector-body{position:relative;padding:26px;color:#fff}
.sector-body h3{margin-bottom:6px}
.sector-body p{font-size:15px;color:#ccd2da}
.sector-body .where{font-family:'Barlow Condensed',sans-serif;color:var(--orange);letter-spacing:.14em;text-transform:uppercase;font-size:15px}
@media(max-width:900px){.sectors{grid-template-columns:1fr}}

/* stats band */
.band{background:var(--coal);color:#fff;border-top:3px solid var(--orange)}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:56px 0}
.band .num{font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:52px;color:var(--orange);line-height:1}
.band .lab{font-size:14.5px;color:#b9bfc9;margin-top:6px}
@media(max-width:900px){.band-grid{grid-template-columns:1fr 1fr}}

/* FAQ */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line-dark);padding:20px 0}
.faq summary{cursor:pointer;font-family:'Barlow Condensed',sans-serif;font-size:22px;font-weight:700;text-transform:uppercase;letter-spacing:.02em;list-style:none;position:relative;padding-right:36px}
.faq summary::after{content:"+";position:absolute;right:4px;top:-2px;color:var(--orange);font-size:30px;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:12px;color:#3c4350;max-width:700px}

/* contact */
.contact{background:var(--coal);color:#fff}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px}
.contact h2 .hl{color:var(--orange)}
.contact p{color:#c9ced7;margin:16px 0 26px;max-width:520px}
.contact-card{background:var(--coal-2);border:1px solid var(--line);border-radius:10px;padding:32px}
.contact-card .row{padding:14px 0;border-bottom:1px solid var(--line)}
.contact-card .row:last-child{border-bottom:none}
.contact-card b{display:block;font-family:'Barlow Condensed',sans-serif;font-size:16px;letter-spacing:.16em;text-transform:uppercase;color:var(--smoke)}
.contact-card .big{font-family:'Barlow Condensed',sans-serif;font-size:34px;font-weight:700;color:#fff;text-decoration:none}
.contact-card .big:hover{color:var(--orange)}
.contact-card span{color:#c9ced7;font-size:16px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}

/* footer */
footer{background:#0e0f12;color:#9aa1ac;font-size:14px;padding:40px 0}
.foot{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
footer a{color:#c9ced7}

/* sticky mobile call bar */
.callbar{display:none}
@media(max-width:760px){
  .callbar{
    display:block;position:fixed;bottom:0;left:0;right:0;z-index:60;
    background:var(--orange);text-align:center;padding:15px 10px;
  }
  .callbar a{color:#fff;text-decoration:none;font-family:'Barlow Condensed',sans-serif;font-weight:700;font-size:21px;letter-spacing:.06em;text-transform:uppercase}
  body{padding-bottom:56px}
}

/* subpage hero */
.page-hero{position:relative;background:var(--coal);color:#fff;overflow:hidden}
.page-hero .hero-inner{padding:76px 24px 62px}
.page-hero p.sub{font-size:19px;max-width:660px;margin-top:16px;color:#dfe3e9}
.crumbs{font-size:14px;color:#aeb4be;margin-bottom:18px}
.crumbs a{color:#aeb4be;text-decoration:none}
.crumbs a:hover{color:var(--orange)}

/* service detail rows */
.svc{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;padding:44px 0;border-bottom:1px solid var(--line-dark)}
.svc:last-of-type{border-bottom:none}
.svc img{border-radius:10px}
.svc h3{font-size:28px;margin-bottom:10px}
.svc .tag{font-family:'Barlow Condensed',sans-serif;color:var(--orange);letter-spacing:.16em;text-transform:uppercase;font-size:15px;font-weight:600}
.svc p{color:#3c4350;margin:10px 0 12px}
@media(max-width:900px){.svc{grid-template-columns:1fr}}

.notice{
  background:var(--paper);border-left:4px solid var(--orange);border-radius:6px;
  padding:18px 22px;font-size:15.5px;color:#3c4350;max-width:760px;
}