:root{
  --steel:#2b3038; --steel-d:#1d2127; --slate:#3d444e; --orange:#e8731c; --orange-d:#c85f12;
  --silver:#c3c8cf; --soft:#f1f3f5; --ink:#23272e; --muted:#697079; --white:#fff; --line:#dde1e6;
  --radius:4px; --shadow:0 18px 46px rgba(35,39,46,.16); --shadow-sm:0 8px 22px rgba(35,39,46,.1);
  --font-head:'Oswald',sans-serif; --font-body:'Inter',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.66}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1200px,92%);margin:0 auto}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.1;letter-spacing:.01em;text-transform:uppercase}
.section{padding:90px 0}
.section-soft{background:var(--soft)}
.section-steel{background:linear-gradient(160deg,var(--steel),var(--steel-d));color:#fff}
.kicker{display:inline-block;font-weight:600;letter-spacing:.2em;text-transform:uppercase;font-size:.74rem;color:var(--orange);margin-bottom:12px;font-family:var(--font-body)}
.kicker.light{color:var(--orange)}
.section-head{text-align:center;max-width:660px;margin:0 auto 50px}
.section-head h2{font-size:clamp(2rem,4vw,3rem)}
.light-h{color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;padding:14px 30px;border-radius:var(--radius);font-weight:600;font-family:var(--font-head);cursor:pointer;border:2px solid transparent;font-size:.92rem;letter-spacing:.06em;text-transform:uppercase;transition:.25s}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-d);border-color:var(--orange-d)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline:hover{background:#fff;color:var(--steel);border-color:#fff}

/* navbar */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:16px 0;transition:.3s;background:rgba(29,33,39,.6)}
.navbar.scrolled{background:var(--steel-d);box-shadow:var(--shadow-sm);padding:11px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{font-family:var(--font-head);font-weight:700;font-size:1.45rem;color:#fff;display:flex;align-items:center;gap:.4em;letter-spacing:.04em}
.brand i{color:var(--orange)}
.brand span{color:var(--orange)}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-link{font-weight:500;font-size:.86rem;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.85);font-family:var(--font-head);transition:.2s}
.nav-link:hover,.nav-link.active{color:var(--orange)}
.nav-cta{background:var(--orange);color:#fff;padding:9px 20px;border-radius:var(--radius)}
.nav-cta:hover{background:var(--orange-d)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.hamburger span{width:26px;height:2.6px;background:#fff;transition:.3s}
.hamburger.open span:nth-child(1){transform:translateY(7.6px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7.6px) rotate(-45deg)}

/* hero */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('https://picsum.photos/seed/forgehero105/1600/1100') center/cover no-repeat;z-index:0;filter:grayscale(.3)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(29,33,39,.92),rgba(29,33,39,.55));z-index:1}
.hero-inner{position:relative;z-index:2;max-width:680px;padding:120px 0 80px}
.eyebrow{display:inline-flex;align-items:center;gap:.5em;background:rgba(232,115,28,.16);border:1px solid rgba(232,115,28,.4);color:#fff;font-weight:600;font-size:.82rem;padding:8px 18px;border-radius:50px;margin-bottom:24px;letter-spacing:.06em}
.eyebrow i{color:var(--orange)}
.hero h1{font-size:clamp(2.8rem,6.4vw,5rem);line-height:1}
.hero .accent{color:var(--orange)}
.hero p{font-size:1.12rem;margin:24px 0 32px;max-width:540px;color:rgba(255,255,255,.85)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* stats */
.stats-bar{background:var(--orange);padding:42px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat strong{font-family:var(--font-head);font-size:clamp(2.2rem,4vw,3.2rem);color:#fff;display:block;line-height:1}
.stat span{color:rgba(255,255,255,.9);font-weight:500;font-size:.92rem;text-transform:uppercase;letter-spacing:.04em}

/* about */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:var(--radius);width:100%;object-fit:cover;box-shadow:var(--shadow)}
.exp-badge{position:absolute;right:-14px;bottom:28px;background:var(--orange);color:#fff;padding:16px 22px;border-radius:var(--radius);text-align:center;box-shadow:var(--shadow)}
.exp-badge strong{font-family:var(--font-head);font-size:1.8rem;display:block}
.exp-badge span{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.about-text h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin:8px 0 16px}
.about-text p{color:var(--muted);margin-bottom:14px}
.check-list{list-style:none;margin-top:22px;display:grid;gap:12px}
.check-list li{display:flex;align-items:center;gap:.7em;font-weight:500}
.check-list i{color:#fff;background:var(--orange);width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:.7rem}

/* products */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08)}
.prod{background:var(--steel);padding:34px 30px;transition:.3s}
.prod:hover{background:var(--slate)}
.prod-icon{width:56px;height:56px;border-radius:var(--radius);background:var(--orange);color:#fff;display:grid;place-items:center;font-size:1.4rem;margin-bottom:18px}
.prod h3{font-size:1.3rem;margin-bottom:8px;color:#fff}
.prod p{color:rgba(255,255,255,.72);font-size:.95rem;font-family:var(--font-body);text-transform:none}

/* industries */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ind{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:34px 20px;text-align:center;transition:.3s}
.ind:hover{background:var(--steel);border-color:var(--steel);transform:translateY(-5px)}
.ind:hover i,.ind:hover h3{color:#fff}
.ind i{font-size:1.9rem;color:var(--orange);margin-bottom:12px;transition:.3s}
.ind h3{font-size:1.06rem;transition:.3s}

/* projects */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.proj{position:relative;overflow:hidden;border-radius:var(--radius);display:block}
.proj img{width:100%;height:280px;object-fit:cover;transition:.5s;filter:grayscale(.2)}
.proj:hover img{transform:scale(1.08);filter:grayscale(0)}
.proj-info{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:24px;background:linear-gradient(to top,rgba(29,33,39,.92),transparent 60%);color:#fff}
.proj-info span{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--orange);font-weight:600;font-family:var(--font-body)}
.proj-info h3{font-size:1.32rem;margin-top:4px}
.proj-info i{position:absolute;top:22px;right:22px;width:38px;height:38px;border-radius:50%;background:var(--orange);display:grid;place-items:center;opacity:0;transform:translateY(-8px);transition:.35s}
.proj:hover .proj-info i{opacity:1;transform:translateY(0)}

/* cta band */
.cta-band{background:var(--steel-d);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}
.cta-inner p{color:rgba(255,255,255,.7);margin-top:8px;text-transform:none}

/* contact */
.contact-info h2{font-size:clamp(1.9rem,3.6vw,2.6rem);margin:8px 0 14px}
.contact-info>p{color:var(--muted);text-transform:none}
.contact-list{list-style:none;margin:22px 0;display:grid;gap:14px}
.contact-list li{display:flex;align-items:center;gap:.8em;font-weight:500}
.contact-list i{color:var(--orange);width:20px}
.contact-form{background:var(--soft);border-radius:var(--radius);padding:34px;display:grid;gap:16px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{display:block;font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:var(--radius);font-family:inherit;font-size:.94rem;background:#fff;transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--orange)}
.form-submit{width:100%;justify-content:center}

/* footer */
.footer{background:var(--steel-d);color:#fff;padding:60px 0 0}
.footer-inner{display:grid;grid-template-columns:1.3fr 2fr;gap:40px;padding-bottom:42px}
.footer-brand .brand.light{color:#fff}
.footer-brand p{color:rgba(255,255,255,.6);margin-top:14px;max-width:300px;text-transform:none}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-cols h4{font-family:var(--font-head);font-size:.9rem;letter-spacing:.08em;color:var(--orange);margin-bottom:14px}
.footer-cols a{display:block;color:rgba(255,255,255,.6);font-size:.92rem;margin-bottom:9px;transition:.2s}
.footer-cols a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;text-align:center;font-size:.86rem;color:rgba(255,255,255,.6)}
.footer-bottom a{color:var(--orange);font-weight:600}

/* back to top */
.back-to-top{position:fixed;right:24px;bottom:24px;width:50px;height:50px;border-radius:var(--radius);border:none;background:var(--orange);color:#fff;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(14px);transition:.3s;z-index:90}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--orange-d)}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

@media(max-width:1024px){
  .prod-grid,.ind-grid,.proj-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:34px}
}
@media(max-width:768px){
  .hamburger{display:flex}
  .nav-menu{position:fixed;top:0;right:-100%;height:100vh;width:78%;max-width:320px;background:var(--steel-d);flex-direction:column;justify-content:center;gap:26px;transition:right .35s;z-index:120}
  .nav-menu.open{right:0}
  .split,.footer-inner{grid-template-columns:1fr}
  .about-media{max-width:480px}
}
@media(max-width:560px){
  .prod-grid,.ind-grid,.proj-grid,.stats-grid,.footer-cols,.field-row{grid-template-columns:1fr}
  .section{padding:64px 0}
}