/* Direction: engineering drawing room. Steel-mist paper, pressure-navy ink, one amber accent. */
:root{
  --mist:#E8EDEF; --paper:#F6F8F9; --navy:#0F2A3D; --navy2:#173A52;
  --teal:#0E7C86; --amber:#E3B23C; --ink:#1B2B35; --line:#C5D2D8;
  --head:"Barlow Semi Condensed","Arial Narrow",Arial,sans-serif;
  --body:"IBM Plex Sans",Arial,Helvetica,sans-serif;
  --w:1280px;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font:400 1.0625rem/1.65 var(--body);color:var(--ink);background:var(--paper)}
img,svg{max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.wrap{width:min(var(--w),100% - 3rem);margin-inline:auto}
h1,h2,h3{font-family:var(--head);line-height:1.08;letter-spacing:-.005em;font-weight:600}
h2{font-size:clamp(2rem,3.4vw,3rem)}
h3{font-size:1.35rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--navy);color:var(--mist);border-bottom:1px solid #26465c}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:68px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;font:600 1.4rem var(--head)}
.brand small{font-weight:500;font-size:1rem;color:#9FB8C4}
.nav{display:flex;align-items:center;gap:2rem}
.nav a{text-decoration:none;font-size:.98rem;padding:.3rem 0;border-bottom:2px solid transparent;transition:border-color .2s}
.nav a:hover{border-color:var(--amber)}
.nav .nav-cta{background:var(--amber);color:var(--navy);padding:.55rem 1.1rem;border-radius:3px;font-weight:500;border:0}
.nav .nav-cta:hover{background:#f0c453}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:var(--mist);transition:transform .25s}
.nav-toggle span:first-child{top:18px}.nav-toggle span:last-child{top:26px}
.nav-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* buttons */
.btn{display:inline-block;padding:.9rem 1.6rem;border-radius:3px;font:600 1.05rem var(--head);letter-spacing:.02em;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .2s,background .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--amber);color:var(--navy)}
.btn-primary:hover{background:#f0c453}
.btn-ghost{border-color:#5F8195;color:var(--mist)}
.btn-ghost:hover{border-color:var(--mist)}

/* hero */
.hero{background:var(--navy) linear-gradient(#ffffff0d 1px,transparent 1px) 0 0/100% 40px;color:var(--mist);padding-top:clamp(3.5rem,8vw,7rem)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,5rem);align-items:center;padding-bottom:4rem}
.tag{font-size:.95rem;color:#9FB8C4;margin-bottom:1.2rem;padding-left:.9rem;border-left:3px solid var(--amber)}
.hero h1{font-size:clamp(2.6rem,5.6vw,4.9rem);margin-bottom:1.5rem;animation:rise .8s ease both}
.lead{font-size:1.2rem;color:#CBD8DE;max-width:60ch;margin-bottom:2.2rem;animation:rise .8s .12s ease both}
.actions{display:flex;flex-wrap:wrap;gap:1rem;animation:rise .8s .24s ease both}
.hero-fig{background:#0b2131;border:1px solid #2a4a60;border-radius:6px;padding:1.2rem;animation:rise .9s .3s ease both}
.hero-fig figcaption{font-size:.82rem;color:#8DA7B4;margin-top:.6rem}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;border-top:1px solid #2a4a60;padding-block:1.6rem;font-size:.95rem;color:#CBD8DE}
.facts strong{display:block;font:600 .9rem var(--body);color:var(--amber);margin-bottom:.15rem}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* about */
.about{padding:clamp(4rem,8vw,7.5rem) 0;background:var(--paper)}
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,6vw,6rem);align-items:start}
.about-head{position:sticky;top:100px}
.about-head h2{margin-bottom:2rem}
.plate{border:1px solid var(--line);background:#fff;padding:.6rem}
.about-body p{margin-bottom:1.3rem;max-width:68ch}
.process{margin-top:2.5rem;border-top:3px solid var(--navy);padding-top:1.4rem}
.process h3{margin-bottom:1rem}
.process ol{list-style:none;counter-reset:s;display:grid;gap:1rem}
.process li{counter-increment:s;display:grid;grid-template-columns:2.4rem 1fr;gap:.6rem;padding-bottom:1rem;border-bottom:1px solid var(--line)}
.process li::before{content:counter(s);font:600 1.5rem var(--head);color:var(--teal)}

/* services */
.services{background:var(--mist);padding:clamp(4rem,8vw,7rem) 0}
.sec-head{max-width:60ch;margin-bottom:3rem}
.sec-head p{margin-top:.8rem;font-size:1.15rem}
.svc-list{list-style:none;padding:0;border-top:2px solid var(--navy)}
.svc-list li{display:grid;grid-template-columns:64px 1fr auto;gap:1.8rem;align-items:center;padding:1.8rem .8rem;border-bottom:1px solid var(--line);transition:background .25s,padding-left .25s}
.svc-list li:hover{background:var(--paper);padding-left:1.4rem}
.svc-list svg{width:56px;height:56px;fill:none;stroke:var(--teal);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.svc-list p{max-width:64ch;margin-top:.35rem}
.chip{font-size:.88rem;border:1px solid var(--teal);color:var(--teal);padding:.2rem .8rem;border-radius:99px;white-space:nowrap}

/* why */
.why{background:var(--teal);color:#fff;padding:clamp(4rem,8vw,7rem) 0}
.sec-head.light{margin-bottom:2.5rem}
.why-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1.5rem}
.why-grid article{grid-column:span 2;border-top:3px solid var(--amber);padding-top:1.1rem}
.why-grid article:nth-child(4){grid-column:2 / span 2}
.why-grid article:nth-child(5){grid-column:4 / span 2}
.why-grid h3{margin-bottom:.5rem}
.why-grid p{color:#E1F0F1}

/* contact */
.contact{padding:clamp(4rem,8vw,7rem) 0;background:var(--paper)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,6vw,6rem)}
.contact-info h2{margin-bottom:1.2rem}
.contact-info dl{margin-top:2rem;display:grid;grid-template-columns:6rem 1fr;gap:1rem 1rem;border-top:2px solid var(--navy);padding-top:1.4rem}
.contact-info dt{font-weight:500;color:var(--teal)}
.contact-info dd a{text-decoration-color:var(--amber);text-underline-offset:4px}
.form{background:#fff;border:1px solid var(--line);border-top:4px solid var(--navy);padding:clamp(1.4rem,3vw,2.4rem);display:grid;gap:1.2rem}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.form label{display:grid;gap:.35rem;font-weight:500;font-size:.96rem}
.form input,.form textarea{font:inherit;padding:.75rem .85rem;border:1px solid #9FB3BC;border-radius:3px;background:var(--paper);width:100%}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px #0e7c8633}
.form .invalid{border-color:#B3261E;background:#fff6f5}
.form-status{min-height:1.4em;font-size:.95rem}
.form-status.err{color:#B3261E}.form-status.ok{color:#0b6b43}
.note{font-size:.85rem;color:#52646e}

/* footer */
.site-footer{background:var(--navy);color:#CBD8DE;padding-top:3rem;font-size:.97rem}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2rem;padding-bottom:2rem}
.foot strong{font:600 1.4rem var(--head);color:#fff}
.foot address{font-style:normal}
.foot a{text-decoration:none}.foot a:hover{color:var(--amber)}
.foot nav{display:grid;gap:.4rem;align-content:start}
.copy{border-top:1px solid #26465c;padding-block:1.2rem;font-size:.88rem;color:#8DA7B4}

/* scroll reveal (only when JS is active) */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:980px){
  .hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .about-head{position:static}
  .facts{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr 1fr}
  .why-grid article,.why-grid article:nth-child(4),.why-grid article:nth-child(5){grid-column:auto}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:68px;left:0;right:0;background:var(--navy);flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1.5rem 1.5rem;border-bottom:1px solid #26465c;display:none}
  .nav.open{display:flex}
  .nav a{padding:.9rem 0;border-bottom:1px solid #26465c}
  .nav .nav-cta{margin-top:1rem;text-align:center}
  .svc-list li{grid-template-columns:48px 1fr;gap:1rem}
  .svc-list svg{width:44px;height:44px}
  .chip{grid-column:2;justify-self:start}
  .why-grid,.row,.foot,.facts{grid-template-columns:1fr}
  .contact-info dl{grid-template-columns:5rem 1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}