/* Air-Tec — redesign concept by WebologyWORX */
:root{
  --navy:#0A1C2B;--navy-2:#10283C;--navy-3:#173550;
  --blue:#126F9E;--blue-2:#0E5A80;--sky:#2999D1;--sky-soft:#E6F3FA;
  --text:#24313C;--muted:#64717D;--line:#DFE5EA;
  --bg:#F5F7F9;--bg-2:#EBF0F4;--white:#fff;
  --r:6px;--r-lg:12px;--max:1260px;--header:84px;
  --shadow:0 1px 2px rgba(10,28,43,.05),0 14px 34px rgba(10,28,43,.08);--shadow-lg:0 30px 70px rgba(10,28,43,.25);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--navy);line-height:1.06;margin:0 0 .5em;letter-spacing:-.035em;font-weight:700}
h1{font-size:clamp(2.6rem,6vw,5rem);letter-spacing:-.045em}
h2{font-size:clamp(1.9rem,3.6vw,3rem)}
h3{font-size:1.14rem;font-weight:650;letter-spacing:-.015em;line-height:1.25}
p{margin:0 0 1em}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 28px}
.section{padding:clamp(72px,9vw,124px) 0}
.section--white{background:#fff}
.section--alt{background:var(--bg-2)}
.section--dark{background:var(--navy);color:#A7B6C3;position:relative;overflow:hidden}
.section--dark h2,.section--dark h3{color:#fff}
.gridbg{background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:56px 56px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.74rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--sky)}
.section--dark .eyebrow{color:var(--sky)}
.lead{font-size:clamp(1.05rem,1.5vw,1.2rem);color:var(--muted);max-width:640px}
.section--dark .lead{color:#9DB0C0}
.center{text-align:center}.center .lead{margin-inline:auto}.center .eyebrow{justify-content:center}
.section-head{margin-bottom:48px}
.split-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.muted{color:var(--muted)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 26px;border-radius:var(--r);font-weight:650;font-size:.94rem;border:1.5px solid transparent;transition:background .2s,color .2s,border-color .2s,transform .15s;cursor:pointer;font-family:inherit;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn svg{width:18px;height:18px;flex:none}
.btn--blue{background:var(--blue);color:#fff}.btn--blue:hover{background:var(--blue-2)}
.btn--sky{background:var(--sky);color:#fff}.btn--sky:hover{background:var(--blue)}
.btn--navy{background:var(--navy);color:#fff}.btn--navy:hover{background:var(--navy-3)}
.btn--white{background:#fff;color:var(--navy)}
.btn--line{border-color:rgba(10,28,43,.25);color:var(--navy)}.btn--line:hover{border-color:var(--navy)}
.btn--ghost{border-color:rgba(255,255,255,.35);color:#fff}.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.link{font-weight:650;color:var(--blue);display:inline-flex;align-items:center;gap:8px;transition:gap .2s}
.link:hover{gap:12px}.link svg{width:16px;height:16px}
.section--dark .link{color:var(--sky)}

/* header */
.topbar{background:var(--navy);color:#8FA3B4;font-size:.8rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;height:38px}
.topbar span{display:inline-flex;align-items:center;gap:8px}
.topbar svg{width:14px;height:14px;color:var(--sky)}
.topbar b{color:#fff}
.topbar__l{display:flex;gap:26px}
.topbar .em{background:rgba(41,153,209,.16);color:#fff;padding:3px 10px;border-radius:999px;font-weight:600}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(10,28,43,.07)}
.header-inner{height:var(--header);display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;line-height:1}
.brand img{height:40px;width:auto}
.brand b{display:block;font-size:1.25rem;font-weight:800;letter-spacing:.06em;color:var(--blue)}
.brand small{display:block;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-top:5px}
.nav{display:flex;align-items:center;gap:2px}
.nav a{padding:10px 13px;font-weight:550;font-size:.92rem;color:var(--navy);position:relative}
.nav a:not(.btn)::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;background:var(--sky);transform:scaleX(0);transition:transform .25s;transform-origin:left}
.nav a:not(.btn):hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav .btn{margin-left:12px;color:#fff;padding:12px 20px}
.nav-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;border-radius:var(--r)}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{display:block;width:20px;height:2px;background:var(--navy);position:relative;transition:transform .25s,background .2s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

/* hero */
.hero{position:relative;background:var(--navy);color:#B9C7D3;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 60%}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,28,43,.97) 0%,rgba(10,28,43,.85) 42%,rgba(18,111,158,.35) 100%),linear-gradient(0deg,rgba(10,28,43,.9),transparent 45%)}
.hero .container{padding-top:clamp(90px,11vw,160px);padding-bottom:clamp(40px,5vw,60px)}
.hero h1{color:#fff;max-width:820px}
.hero h1 em{font-style:normal;color:var(--sky)}
.hero .lead{color:#C4D1DC;max-width:600px;margin-bottom:34px}
.hero .eyebrow{color:#fff}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(60px,8vw,110px);border-top:1px solid rgba(255,255,255,.14)}
.stats div{padding:26px 24px 6px 0;border-right:1px solid rgba(255,255,255,.08);padding-left:24px}
.stats div:first-child{padding-left:0}.stats div:last-child{border-right:0}
.stats b{display:block;font-size:clamp(2rem,3.4vw,2.9rem);color:#fff;font-weight:700;letter-spacing:-.04em;line-height:1}
.stats b sup{font-size:.5em;color:var(--sky);margin-left:2px}
.stats div>span{font-size:.86rem;color:#90A4B5}

/* clients strip */
.clients{background:#fff;border-bottom:1px solid var(--line)}
.clients .container{display:flex;align-items:center;gap:16px 44px;flex-wrap:wrap;justify-content:center;padding-top:26px;padding-bottom:26px}
.clients small{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:700}
.clients span{font-weight:700;color:#8796A3;letter-spacing:.02em;font-size:1.02rem}

/* services */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.svc__img{aspect-ratio:16/9;overflow:hidden;position:relative}
.svc__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.svc:hover .svc__img img{transform:scale(1.05)}
.svc__num{position:absolute;left:16px;top:16px;font-size:.72rem;font-weight:700;letter-spacing:.16em;color:#fff;background:rgba(10,28,43,.7);backdrop-filter:blur(6px);padding:6px 10px;border-radius:4px}
.svc__body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.svc__body p{color:var(--muted);font-size:.95rem}
.svc__body ul{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:8px}
.svc__body li{display:flex;gap:10px;font-size:.92rem;color:var(--text)}
.svc__body li svg{width:17px;height:17px;color:var(--sky);flex:none;margin-top:3px}
.svc__body .link{margin-top:auto}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.split.flip .split__media{order:2}
.split__media{position:relative}
.split__media>img{width:100%;border-radius:var(--r-lg);box-shadow:var(--shadow);aspect-ratio:4/3.1;object-fit:cover}
.badge{position:absolute;right:-22px;bottom:-26px;background:var(--blue);color:#fff;border-radius:var(--r-lg);padding:20px 24px;box-shadow:var(--shadow-lg);max-width:250px}
.badge b{display:block;font-size:2.2rem;font-weight:700;letter-spacing:-.04em;line-height:1}
.badge small{color:#D3EAF6;font-size:.86rem}
.ticks{list-style:none;padding:0;margin:24px 0 32px;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start}
.ticks svg{width:20px;height:20px;flex:none;color:var(--sky);margin-top:2px}
.section--dark .ticks li{color:#CFDAE3}
.ticks.cols{grid-template-columns:1fr 1fr;gap:14px 28px}

/* markets */
.markets{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.mk{background:var(--navy-2);border:1px solid #1E3A52;border-radius:var(--r-lg);padding:22px 18px;text-align:center;transition:border-color .2s,transform .2s}
.mk:hover{border-color:var(--sky);transform:translateY(-3px)}
.mk svg{width:30px;height:30px;color:var(--sky);margin:0 auto 12px}
.mk b{display:block;color:#fff;font-size:.92rem;font-weight:600;line-height:1.3}

/* projects */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:300px;gap:14px}
.pcard{position:relative;border-radius:var(--r-lg);overflow:hidden;color:#fff;display:flex;align-items:flex-end;isolation:isolate}
.pcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .7s}
.pcard::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,transparent 35%,rgba(10,28,43,.92))}
.pcard:hover img{transform:scale(1.05)}
.pcard__body{padding:22px 24px;width:100%}
.pcard small{display:block;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--sky);font-weight:700;margin-bottom:6px}
.pcard h3{color:#fff;margin:0;font-size:1.25rem}
.pcard p{margin:6px 0 0;font-size:.88rem;color:#C4D1DC;max-height:0;overflow:hidden;opacity:0;transition:all .35s}
.pcard:hover p{max-height:80px;opacity:1}
.pcard.wide{grid-column:span 2}.pcard.tall{grid-row:span 2}

/* project detail */
.pd{padding:clamp(56px,7vw,96px) 0;border-bottom:1px solid var(--line);scroll-margin-top:calc(var(--header) + 70px)}
.pd:nth-child(even){background:#fff}
.pd__grid{display:grid;grid-template-columns:1fr 1.35fr;gap:56px;align-items:start}
.pd__meta{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--line);margin:22px 0}
.pd__meta div{padding:14px 0;border-bottom:1px solid var(--line)}
.pd__meta small{display:block;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:700}
.pd__meta b{color:var(--navy);font-weight:650}
.pd__imgs{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.pd__imgs img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-lg);aspect-ratio:4/3;cursor:zoom-in}
.pd__imgs img:first-child{grid-column:span 2;aspect-ratio:16/9}
.pd__imgs.one img{grid-column:span 2}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chips span{font-size:.78rem;font-weight:600;padding:5px 11px;border-radius:999px;background:var(--sky-soft);color:var(--blue-2)}
.pfilter{position:sticky;top:var(--header);z-index:20;background:rgba(245,247,249,.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.pfilter .container{display:flex;gap:6px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
.pfilter .container::-webkit-scrollbar{display:none}
.pfilter a{flex:none;font-size:.86rem;font-weight:600;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--navy)}
.pfilter a:hover,.pfilter a.is-active{background:var(--navy);color:#fff;border-color:var(--navy)}

/* process */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:p;position:relative}
.process::before{content:"";position:absolute;top:22px;left:22px;right:22px;height:2px;background:linear-gradient(90deg,var(--sky),rgba(41,153,209,.15))}
.ps{counter-increment:p;padding-right:22px;position:relative}
.ps::before{content:counter(p,decimal-leading-zero);display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--navy);border:2px solid var(--sky);color:#fff;font-weight:700;font-size:.86rem;margin-bottom:20px;position:relative}
.ps p{color:#9DB0C0;font-size:.93rem;margin:0}
.light .ps::before{background:#fff;color:var(--navy)}
.light .ps p{color:var(--muted)}

/* features */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px}
.feat .ic{width:48px;height:48px;border-radius:10px;background:var(--sky-soft);color:var(--blue);display:grid;place-items:center;margin-bottom:18px}
.feat .ic svg{width:24px;height:24px}
.feat p{color:var(--muted);font-size:.93rem;margin:0}
.section--dark .feat{background:var(--navy-2);border-color:#1E3A52}.section--dark .feat p{color:#9DB0C0}.section--dark .feat .ic{background:rgba(41,153,209,.14);color:var(--sky)}

/* emergency band */
.emerg{background:linear-gradient(110deg,var(--blue) 0%,var(--sky) 100%);color:#fff}
.emerg .container{display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center;padding-top:34px;padding-bottom:34px}
.emerg .pulse{width:62px;height:62px;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center;position:relative}
.emerg .pulse::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid rgba(255,255,255,.35);animation:pulse 2s infinite}
.emerg .pulse svg{width:28px;height:28px}
@keyframes pulse{0%{transform:scale(.9);opacity:1}100%{transform:scale(1.25);opacity:0}}
.emerg h3{color:#fff;font-size:1.45rem;margin:0 0 4px}
.emerg p{margin:0;color:#E2F2FB}

/* compare (controls) */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cmp{border-radius:var(--r-lg);padding:32px;border:1px solid var(--line);background:#fff}
.cmp.good{background:var(--navy);border-color:var(--navy);color:#B9C7D3}
.cmp.good h3{color:#fff}
.cmp h3{display:flex;align-items:center;gap:10px}
.cmp ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
.cmp li{display:flex;gap:10px;align-items:flex-start}
.cmp li svg{width:18px;height:18px;flex:none;margin-top:3px}
.cmp.bad li svg{color:#C0574C}.cmp.good li svg{color:var(--sky)}
.brands-x{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.brands-x span{font-size:.84rem;font-weight:600;padding:7px 14px;border-radius:999px;background:var(--bg-2);color:var(--navy)}

/* timeline */
.timeline{position:relative;display:grid;gap:0;max-width:880px;margin:0 auto}
.tl{display:grid;grid-template-columns:120px 1fr;gap:28px;padding:0 0 38px;position:relative}
.tl::before{content:"";position:absolute;left:131px;top:8px;bottom:0;width:2px;background:var(--line)}
.tl:last-child::before{display:none}
.tl b{font-size:1.6rem;font-weight:700;color:var(--blue);letter-spacing:-.04em;text-align:right;line-height:1.1}
.tl div{padding-left:28px;position:relative}
.tl div::before{content:"";position:absolute;left:-7px;top:8px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--sky)}
.tl h3{margin-bottom:6px}
.tl p{margin:0;color:var(--muted)}

/* facility */
.facility{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.fac{border-left:3px solid var(--sky);background:#fff;padding:20px 20px;border-radius:0 var(--r-lg) var(--r-lg) 0;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.fac b{display:block;color:var(--navy);font-weight:650}
.fac span{font-size:.88rem;color:var(--muted)}

/* forms & contact */
.contact{display:grid;grid-template-columns:1fr 1.3fr;gap:28px;align-items:start}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px}
.cline{display:flex;gap:14px;align-items:flex-start;padding:15px 0;border-bottom:1px solid var(--line)}
.cline:last-of-type{border-bottom:0}
.cline .ic{width:44px;height:44px;border-radius:10px;background:var(--sky-soft);color:var(--blue);display:grid;place-items:center;flex:none}
.cline .ic svg{width:20px;height:20px}
.cline small{display:block;color:var(--muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.16em;font-weight:700}
.cline b{color:var(--navy);font-weight:650}
.status{display:inline-flex;align-items:center;gap:8px;font-weight:650;font-size:.86rem;padding:7px 14px;border-radius:999px;background:var(--bg);margin-bottom:6px}
.status i{width:8px;height:8px;border-radius:50%;background:#9AA7B2}
.status.is-open i{background:#2EA44F;box-shadow:0 0 0 4px rgba(46,164,79,.18)}
.tabs{display:flex;gap:6px;margin-bottom:22px;flex-wrap:wrap;background:var(--bg);padding:5px;border-radius:10px}
.tabs button{flex:1;border:0;background:none;font:inherit;font-weight:650;font-size:.9rem;padding:11px 14px;border-radius:7px;cursor:pointer;color:var(--muted);white-space:nowrap}
.tabs button.is-active{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.tab-panel[hidden]{display:none}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .full{grid-column:1/-1}
.field label{display:block;font-weight:650;font-size:.84rem;margin-bottom:6px;color:var(--navy)}
.field input,.field select,.field textarea{width:100%;font:inherit;padding:13px 14px;border-radius:var(--r);border:1px solid #CFD8DF;background:#fff;color:var(--text);transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(18,111,158,.14)}
.field textarea{min-height:120px;resize:vertical}
.form-success{display:none;background:#EAF6EC;color:#1F6B33;border-radius:var(--r);padding:16px 18px;font-weight:600}
.form.is-sent{display:none}.form.is-sent + .form-success{display:block}
.map{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--bg-2);min-height:300px;margin-top:18px}
.map iframe{width:100%;height:300px;border:0;display:block}
.hours{list-style:none;padding:0;margin:6px 0 0;display:grid;gap:2px}
.hours li{display:flex;justify-content:space-between;gap:12px;font-size:.92rem;padding:5px 8px;border-radius:4px}
.hours li.is-today{background:var(--sky-soft);font-weight:650;color:var(--navy)}

/* page hero */
.page-hero{background:var(--navy);color:#B9C7D3;position:relative;overflow:hidden;isolation:isolate}
.page-hero .bgimg{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(10,28,43,.96),rgba(10,28,43,.72) 55%,rgba(18,111,158,.35))}
.page-hero .container{padding-top:clamp(76px,9vw,128px);padding-bottom:clamp(60px,7vw,100px)}
.page-hero h1{color:#fff;font-size:clamp(2.4rem,5.2vw,4.3rem)}
.page-hero h1 em{font-style:normal;color:var(--sky)}
.page-hero p{max-width:640px;font-size:1.12rem;margin:0;color:#C4D1DC}
.page-hero .eyebrow{color:#fff}
.crumbs{font-size:.8rem;color:#8FA3B4;margin-bottom:18px}
.crumbs a:hover{color:#fff}

/* cta */
.cta{background:var(--navy);border-radius:var(--r-lg);padding:clamp(40px,5vw,72px);display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;color:#A7B6C3;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:40px 40px}
.cta::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(41,153,209,.35),transparent 70%)}
.cta>*{position:relative;z-index:1}
.cta h2{color:#fff;margin-bottom:8px}
.cta p{margin:0;max-width:560px}
.cta .actions{display:flex;gap:12px;flex-wrap:wrap}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(6,16,25,.94);display:none;align-items:center;justify-content:center;padding:24px}
.lightbox.is-open{display:flex}
.lightbox img{max-height:88vh;max-width:min(1300px,100%);border-radius:8px}
.lightbox button{position:absolute;top:18px;right:18px;width:48px;height:48px;border-radius:50%;border:0;background:#fff;font-size:1.6rem;cursor:pointer;line-height:1}

/* footer */
.site-footer{background:var(--navy);color:#8FA3B4;padding:76px 0 28px;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px}
.footer-grid h4{color:#fff;font-size:.74rem;text-transform:uppercase;letter-spacing:.2em;margin-bottom:18px;font-weight:700}
.footer-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-grid a:hover{color:#fff}
.footer-logo{width:150px;margin-bottom:18px}
.footer-bottom{border-top:1px solid #1E3A52;margin-top:56px;padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#6E8496}

.mobile-bar{display:none}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}html{scroll-behavior:auto}.emerg .pulse::after{animation:none}}

@media (max-width:1100px){
  .services{grid-template-columns:repeat(2,1fr)}
  .markets{grid-template-columns:repeat(4,1fr)}
  .features,.facility{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(3,1fr);gap:34px 0}
  .process::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav a{padding:10px 9px}
  .nav a:not(.btn)::after{left:9px;right:9px}
}
@media (max-width:920px){
  :root{--header:72px}
  .topbar__l span:nth-child(2){display:none}
  .nav-toggle{display:inline-flex}
  .nav{position:fixed;inset:calc(var(--header) + 38px) 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:10px 24px 24px;gap:0;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(10,28,43,.14);transform:translateY(-8px);opacity:0;visibility:hidden;transition:all .2s ease}
  .is-scrolled .nav{inset:var(--header) 0 auto 0}
  .nav-open .nav{transform:none;opacity:1;visibility:visible}
  .nav a{padding:15px 4px;font-size:1.05rem;border-bottom:1px solid var(--line)}
  .nav a:not(.btn)::after{display:none}
  .nav .btn{margin:16px 0 0;padding:15px;border-bottom:0}
  .split,.contact,.pd__grid,.compare{grid-template-columns:1fr;gap:44px}
  .split.flip .split__media{order:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats div{padding-left:0!important;border-right:0;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:18px}
  .proj-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:240px}
  .cta{grid-template-columns:1fr}
  .emerg .container{grid-template-columns:auto 1fr}
  .emerg .btn{grid-column:1/-1}
  .badge{right:12px}
  body{padding-bottom:70px}
  .mobile-bar{display:grid;grid-template-columns:1fr 1.3fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--navy);padding:8px 10px calc(8px + env(safe-area-inset-bottom))}
  .mobile-bar a{display:flex;align-items:center;justify-content:center;gap:8px;color:#fff;font-size:.9rem;font-weight:650;padding:13px;border-radius:var(--r);border:1px solid #29465E}
  .mobile-bar a.primary{background:var(--blue);border-color:var(--blue)}
  .mobile-bar svg{width:17px;height:17px}
}
@media (max-width:600px){
  .container{padding:0 20px}
  .topbar__r{display:none}
  .brand img{height:34px}.brand b{font-size:1.08rem}.brand small{font-size:.56rem;letter-spacing:.14em}
  .services,.features,.facility,.footer-grid,.form,.ticks.cols{grid-template-columns:1fr}
  .markets{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:1fr}
  .proj-grid{grid-template-columns:1fr;grid-auto-rows:220px}
  .pcard.wide{grid-column:auto}.pcard.tall{grid-row:auto}
  .pcard p{max-height:80px;opacity:1}
  .hero__actions .btn{flex:1 1 100%}
  .card,.cmp{padding:24px}
  .tl{grid-template-columns:64px 1fr;gap:16px}.tl::before{left:75px}.tl b{font-size:1.2rem}
  .badge{left:12px;right:12px;bottom:-30px;max-width:none}
  .tabs button{flex:1 1 100%}
}