:root{
  --charcoal:#23282d;
  --ink:#14181c;
  --ice:#f4f7f8;
  --white:#ffffff;
  --cyan:#3fb6d4;
  --cyan-dk:#2a8ba5;
  --steel:#8a949c;
  --line:#d8dee2;
  --head:'Oswald',Arial,sans-serif;
  --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(--body);color:var(--ink);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:min(1200px,100% - 3rem);margin-inline:auto}

/* top bar */
.topbar{background:var(--ink);color:var(--steel);font-size:.82rem;letter-spacing:.04em}
.topbar-in{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.55rem 0}
.topbar-msg i{color:var(--cyan);margin-right:.45rem}
.topbar-phone{color:var(--white);font-weight:600}
.topbar-phone i{margin-right:.4rem;color:var(--cyan)}

/* header */
.header{border-bottom:1px solid var(--line);background:var(--white);transition:box-shadow .25s,background .25s;position:sticky;top:0;z-index:60}
.header.stuck{box-shadow:0 6px 24px rgba(20,24,28,.08)}
.header-in{display:flex;align-items:center;gap:1.5rem;padding:1rem 0}
.logo{display:flex;align-items:center;gap:.7rem;margin-right:auto}
.logo-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--charcoal);color:var(--cyan);font-family:var(--head);font-weight:700;letter-spacing:.04em}
.logo-text{font-family:var(--head);font-size:1.35rem;font-weight:600;text-transform:uppercase;line-height:1}
.logo-text em{display:block;font-style:normal;font-size:.68rem;letter-spacing:.24em;color:var(--steel);font-weight:400}
.nav{display:flex;gap:1.6rem;font-size:.92rem;font-weight:500}
.nav a{position:relative;padding:.2rem 0;color:var(--charcoal)}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--cyan);transition:width .25s}
.nav a:hover::after,.nav a.active::after{width:100%}
.nav a.active{color:var(--ink)}
.btn-call{display:inline-flex;align-items:center;gap:.5rem;background:var(--cyan);color:var(--ink);padding:.65rem 1.1rem;font-weight:600;font-size:.9rem;border:1px solid var(--cyan);transition:background .2s,color .2s}
.btn-call:hover{background:var(--ink);color:var(--white);border-color:var(--ink)}
.burger{display:none;width:44px;height:40px;background:none;border:1px solid var(--line);flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer}
.burger span{width:20px;height:2px;background:var(--charcoal);transition:transform .25s,opacity .2s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;min-height:600px;background:var(--ice)}
.hero-left{display:flex;align-items:center;padding:5rem 0}
.kicker{display:inline-block;font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan-dk);border-left:3px solid var(--cyan);padding-left:.7rem;margin-bottom:1.4rem}
.hero h1{font-family:var(--head);font-size:clamp(2.1rem,4.2vw,3.5rem);line-height:1.08;text-transform:uppercase;letter-spacing:-.01em;max-width:15ch}
.hero-left p{margin-top:1.2rem;color:#4d565d;max-width:46ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.btn{display:inline-block;padding:.85rem 1.6rem;font-weight:600;font-size:.92rem;border:1px solid var(--charcoal);transition:transform .2s,background .2s,color .2s}
.btn-solid{background:var(--charcoal);color:var(--white)}
.btn-solid:hover{background:var(--cyan-dk);border-color:var(--cyan-dk);transform:translateY(-2px)}
.btn-ghost{background:transparent}
.btn-ghost:hover{background:var(--charcoal);color:var(--white);transform:translateY(-2px)}
.hero-phone{margin-top:1.6rem;font-size:.95rem;color:var(--charcoal)}
.hero-phone i{color:var(--cyan-dk);margin-right:.4rem}
.hero-phone a{font-weight:700;border-bottom:1px solid var(--cyan)}
.hero-right{position:relative;overflow:hidden}
.hero-right img{width:100%;height:100%;object-fit:cover}
.hero-angle{position:absolute;top:0;left:0;width:80px;height:100%;background:var(--ice);clip-path:polygon(0 0,100% 0,0 100%);z-index:2}
.chip{position:absolute;background:var(--white);border:1px solid var(--line);padding:.55rem .85rem;font-size:.76rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;box-shadow:0 4px 14px rgba(20,24,28,.08);z-index:3}
.chip-a{top:12%;left:14%}
.chip-b{bottom:26%;left:8%}
.chip-c{bottom:10%;right:8%}

/* intro */
.intro{padding:4.5rem 0;border-bottom:1px solid var(--line)}
.intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:3rem;align-items:start}
h2{font-family:var(--head);text-transform:uppercase;letter-spacing:-.01em;font-size:clamp(1.6rem,2.6vw,2.1rem);line-height:1.15}
.intro p{color:#4d565d}

/* services */
.services{padding:4.5rem 0;background:var(--white)}
.sec-head{margin-bottom:2.5rem;padding-bottom:.9rem;border-bottom:2px solid var(--charcoal)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.svc-card{border:1px solid var(--line);padding:2rem 1.6rem;position:relative;background:var(--white);transition:transform .25s,border-color .25s,box-shadow .25s}
.svc-card:hover{transform:translateY(-6px);border-color:var(--cyan);box-shadow:0 12px 30px rgba(20,24,28,.07)}
.svc-card i{font-size:1.5rem;color:var(--cyan-dk);margin-bottom:1.2rem;display:block}
.svc-no{position:absolute;top:1.4rem;right:1.6rem;font-family:var(--head);font-size:2.4rem;color:#e6ebee;line-height:1}
.svc-card h3{font-family:var(--head);font-size:1.3rem;text-transform:uppercase;margin-bottom:.6rem}
.svc-card p{font-size:.94rem;color:#5a646b}

/* about */
.about{padding:4.5rem 0;background:var(--ice)}
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:3.5rem;align-items:center}
.about-text p{margin-top:1.1rem;color:#4d565d}
.about-list{list-style:none;margin-top:1.8rem;border-top:1px solid var(--line)}
.about-list li{padding:.75rem 0;border-bottom:1px solid var(--line);font-size:.94rem;display:flex;gap:.7rem;align-items:flex-start}
.about-list i{color:var(--cyan-dk);margin-top:.25rem}
.about-img img{width:100%;height:420px;object-fit:cover}
.about-img figcaption{font-size:.8rem;color:var(--steel);margin-top:.7rem;letter-spacing:.04em}

/* systems */
.systems{padding:4.5rem 0}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.sys{background:var(--white);padding:1.7rem 1.5rem;transition:background .25s}
.sys:hover{background:#f0f7f9}
.sys h4{font-family:var(--head);text-transform:uppercase;font-size:1.05rem;margin-bottom:.45rem}
.sys p{font-size:.9rem;color:#5a646b}

/* maintenance */
.maint{padding:4.5rem 0;background:var(--charcoal);color:var(--ice)}
.maint .sec-head{border-bottom-color:rgba(255,255,255,.2)}
.check{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:0 2.5rem}
.check li{position:relative;padding:.85rem 0 .85rem 2rem;font-size:.95rem;border-bottom:1px solid rgba(255,255,255,.12)}
.check li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--cyan);position:absolute;left:0;top:.95rem}

/* cta */
.cta{padding:4rem 0;background:var(--white)}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:2.5rem;flex-wrap:wrap;border:1px solid var(--line);border-left:4px solid var(--cyan);padding:2.2rem 2.4rem}
.cta p{margin-top:.8rem;color:#4d565d;max-width:56ch}
.cta-box{border:1px solid var(--line);padding:1.2rem 1.8rem;text-align:center;background:var(--ice)}
.cta-box span{display:block;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--steel)}
.cta-box a{font-family:var(--head);font-size:1.7rem;color:var(--charcoal);display:block;margin-top:.3rem}

/* info strip */
.info{background:var(--ice);border-top:1px solid var(--line);padding:2.4rem 0}
.info-in{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.ib h4{font-family:var(--head);font-size:.9rem;font-weight:500;text-transform:uppercase;letter-spacing:.12em;color:var(--charcoal);margin-bottom:.5rem}
.ib p{font-size:.94rem;color:#5a646b;line-height:1.7}
.ib a{border-bottom:1px solid var(--cyan-dk);color:var(--charcoal);transition:color .2s}
.ib a:hover{color:var(--cyan-dk)}

/* footer */
.footer{background:var(--ink);color:var(--steel);font-size:.86rem;padding:2rem 0}
.footer-in{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* reveal */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].in{opacity:1;transform:none}

/* responsive */
@media(max-width:1024px){
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-right{height:420px;order:-1}
  .hero-angle{display:none}
  .chip{font-size:.7rem;padding:.45rem .7rem}
  .svc-grid,.sys-grid{grid-template-columns:repeat(2,1fr)}
  .intro-grid,.about-grid{grid-template-columns:1fr;gap:2.5rem}
}
@media(max-width:760px){
  .wrap{width:min(1200px,100% - 2rem)}
  .topbar-in{flex-direction:column;gap:.2rem;text-align:center}
  .burger{display:flex}
  .btn-call{display:none}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:0;max-height:0;overflow:hidden;transition:max-height .3s ease}
  .nav.open{max-height:340px}
  .nav a{padding:.95rem 1.5rem;border-bottom:1px solid var(--line);font-size:1rem}
  .svc-grid,.sys-grid,.check{grid-template-columns:1fr}
  .info-in{grid-template-columns:1fr;gap:1.5rem}
  .about-img img{height:300px}
  .cta-in{flex-direction:column;align-items:flex-start}
}