:root{
  --green:#2f8f5b; --green-d:#1c5a39; --green-l:#5cc487;
  --steel:#2b333b; --steel-d:#151a1f; --ink:#12161a;
  --sand:#f6f4ee; --muted:#7a8590; --line:#e6e0d4; --gold:#c9a24b;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--sand);line-height:1.65;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-weight:800;line-height:1.12;letter-spacing:-.6px}

.reveal{opacity:0;transform:translateY(38px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}

/* quick, subtle page fade (no curtain) */
body{animation:pageFade .3s ease both}
@keyframes pageFade{from{opacity:0}to{opacity:1}}

/* ===== HERO LOGO (landing, prominent, transparent SVG) ===== */
.hero.center{text-align:center}
.hero.center .wrap{display:flex;flex-direction:column;align-items:center}
.hero.center .hero-btns{justify-content:center}
.hero-logo{width:clamp(280px,36vw,440px);height:auto;margin:-10px auto 14px;
  filter:drop-shadow(0 10px 26px rgba(0,0,0,.6));
  animation:logoIn .7s cubic-bezier(.2,.8,.3,1) .1s both}
@keyframes logoIn{from{opacity:0;transform:translateY(22px) scale(.94)}to{opacity:1;transform:none}}
.hero.center .badge{animation:heroUp .6s cubic-bezier(.2,.8,.3,1) .28s both}
.hero.center h1{animation:heroUp .6s cubic-bezier(.2,.8,.3,1) .36s both}
.hero.center>.wrap>p{animation:heroUp .6s cubic-bezier(.2,.8,.3,1) .46s both}
.hero.center .hero-btns{animation:heroUp .6s cubic-bezier(.2,.8,.3,1) .56s both}
@keyframes heroUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

/* HEADER */
header{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s}
header.solid{background:rgba(21,26,31,.94);backdrop-filter:blur(10px);box-shadow:0 6px 24px rgba(0,0,0,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:21px;letter-spacing:-.5px}
.logo .mk{width:38px;height:38px;flex-shrink:0}
.logo .mk svg{width:100%;height:100%}
.logo .mk{width:42px;height:42px}
.logo .mk img{width:100%;height:100%;object-fit:contain;display:block;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5))}
footer .logo .mk{width:48px;height:48px}
nav ul{display:flex;gap:30px;list-style:none}
nav a{color:#e4e8ec;font-size:15px;font-weight:500;position:relative;transition:.2s}
nav a:after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--green-l);transition:.3s}
nav a:hover{color:#fff}nav a:hover:after,nav a.active:after{width:100%}
nav a.active{color:#fff}
.nav-cta{background:var(--green);color:#fff!important;padding:11px 22px;border-radius:9px;font-weight:600;font-size:14px;transition:.25s}
.nav-cta:hover{background:var(--green-l);transform:translateY(-2px);box-shadow:0 8px 20px rgba(92,196,135,.4)}
.nav-cta:after{display:none}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:26px;height:2px;background:#fff;transition:.3s}

/* BTN */
.btn{padding:15px 30px;border-radius:10px;font-weight:600;font-size:16px;transition:.25s;display:inline-flex;align-items:center;gap:10px;cursor:pointer;border:none}
.btn-p{background:var(--green);color:#fff}
.btn-p:hover{background:var(--green-l);transform:translateY(-3px);box-shadow:0 14px 30px rgba(47,143,91,.45)}
.btn-o{border:1.5px solid rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-o:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* PAGE HERO (inner pages) */
.phero{position:relative;color:#fff;padding:150px 0 80px;overflow:hidden;background:var(--steel-d)}
.phero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.35}
.phero:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(15,20,24,.92),rgba(20,50,35,.6))}
.phero .wrap{position:relative;z-index:2}
.phero .crumb{font-size:13px;color:#9aa8b0;letter-spacing:1px;margin-bottom:14px;animation:heroUp .55s cubic-bezier(.2,.8,.3,1) .12s both}
.phero h1{animation:heroUp .6s cubic-bezier(.2,.8,.3,1) .2s both}
.phero>.wrap>p{animation:heroUp .6s cubic-bezier(.2,.8,.3,1) .3s both}
.phero-bg{animation:zoomBg 6s ease-out both}
@keyframes zoomBg{from{transform:scale(1.1)}to{transform:scale(1)}}
.phero .crumb a:hover{color:var(--green-l)}
.phero h1{font-size:clamp(32px,5vw,52px);margin-bottom:14px}
.phero p{font-size:18px;color:#dfe4e8;max-width:640px}

/* SECTIONS */
section{padding:90px 0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--green);font-weight:700;font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:16px}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--green)}
.sec-head{max-width:720px;margin-bottom:52px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}.sec-head.center .eyebrow:before{display:none}
.sec-head h2{font-size:clamp(28px,4vw,42px);margin-bottom:16px}
.sec-head p{color:var(--muted);font-size:17.5px}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:38px 34px;transition:.3s;position:relative;overflow:hidden}
.card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--green),var(--green-l));transform:scaleX(0);transform-origin:left;transition:.35s}
.card:hover{transform:translateY(-10px);box-shadow:0 26px 50px rgba(28,90,57,.16);border-color:transparent}
.card:hover:before{transform:scaleX(1)}
.card .ic{width:62px;height:62px;border-radius:15px;background:linear-gradient(135deg,var(--green),var(--green-d));display:flex;align-items:center;justify-content:center;margin-bottom:22px;font-size:29px;box-shadow:0 10px 22px rgba(47,143,91,.3)}
.card h3{font-size:22px;margin-bottom:12px}
.card p{color:var(--muted);font-size:15.5px}
.card ul{list-style:none;margin-top:16px}
.card li{font-size:14.5px;color:var(--steel);padding:5px 0 5px 24px;position:relative}
.card li:before{content:"▸";position:absolute;left:0;color:var(--green);font-weight:800}

/* STATS */
.stats{background:var(--steel);color:#fff}
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stats .box{padding:44px 24px;text-align:center;border-right:1px solid rgba(255,255,255,.08)}
.stats .box:last-child{border-right:none}
.stats .n{font-size:44px;font-weight:800;color:var(--green-l);line-height:1}
.stats .l{font-size:14px;color:#c4ccd3;margin-top:10px}

/* FOOTER */
footer{background:#0e1216;color:#9aa3ad;padding:56px 0 30px;text-align:center}
footer .logo{justify-content:center;margin-bottom:16px;font-size:20px}
footer .fl{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin:22px 0;list-style:none}
footer .fl a{color:#c4ccd3;font-size:14.5px;transition:.2s}footer .fl a:hover{color:var(--green-l)}
footer .cp{font-size:13px;opacity:.6;margin-top:20px;border-top:1px solid rgba(255,255,255,.08);padding-top:20px}

/* CTA BAND */
.ctaband{background:linear-gradient(120deg,var(--green-d),var(--steel-d));color:#fff;text-align:center}
.ctaband h2{font-size:clamp(26px,4vw,40px);margin-bottom:16px}
.ctaband p{color:#dfe4e8;font-size:18px;margin-bottom:30px}
.ctaband .btn{background:#fff;color:var(--green-d)}
.ctaband .btn:hover{background:var(--green-l);color:#fff}

.top{position:fixed;bottom:28px;right:28px;width:50px;height:50px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;z-index:90;opacity:0;transform:translateY(20px);transition:.3s;box-shadow:0 10px 26px rgba(47,143,91,.45)}
.top.show{opacity:1;transform:none}.top:hover{background:var(--green-l)}

/* ===== LANDING HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.08);transition:opacity 1.6s ease,transform 7s ease}
.hero-slide.active{opacity:1;transform:scale(1)}
.hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(15,20,24,.92) 0%,rgba(20,40,30,.72) 45%,rgba(20,50,35,.45) 100%)}
.hero-grid{position:absolute;inset:0;z-index:1;opacity:.10;background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);background-size:52px 52px;-webkit-mask-image:linear-gradient(90deg,#000,transparent 70%);mask-image:linear-gradient(90deg,#000,transparent 70%)}
.hero .wrap{position:relative;z-index:2;width:100%}
.badge{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);padding:8px 18px;border-radius:30px;font-size:12.5px;font-weight:600;letter-spacing:1.5px;margin-bottom:26px}
.badge .pulse{width:8px;height:8px;border-radius:50%;background:var(--green-l);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(92,196,135,.6)}70%{box-shadow:0 0 0 12px rgba(92,196,135,0)}100%{box-shadow:0 0 0 0 rgba(92,196,135,0)}}
.hero h1{font-size:clamp(36px,6vw,72px);max-width:960px;margin-bottom:22px}
.hero h1 em{font-style:normal;color:var(--green-l)}
.hero p{font-size:clamp(16px,2vw,20px);max-width:600px;color:#dfe4e8;margin-bottom:36px;font-weight:400}
.hero-btns{display:flex;gap:15px;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.hero-dots span{width:34px;height:4px;border-radius:3px;background:rgba(255,255,255,.35);cursor:pointer;transition:.3s}
.hero-dots span.on{background:var(--green-l);width:48px}

/* quick-nav menu cards on landing */
.qnav{background:var(--sand);padding:0}
.qnav .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:-70px;position:relative;z-index:5;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.22)}
.qcard{position:relative;min-height:230px;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff;overflow:hidden}
.qcard .qbg{position:absolute;inset:0;background-size:cover;background-position:center;transition:.6s}
.qcard:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(15,25,20,.92),rgba(15,25,20,.35))}
.qcard>*{position:relative;z-index:2}
.qcard:hover .qbg{transform:scale(1.1)}
.qcard .qn{font-size:12px;color:var(--green-l);font-weight:700;letter-spacing:1.5px}
.qcard h3{font-size:22px;margin:6px 0 4px}
.qcard span.go{font-size:14px;color:#cfe8db;opacity:0;transform:translateY(8px);transition:.3s}
.qcard:hover span.go{opacity:1;transform:none}

/* featured strip */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fcard{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:4/3;box-shadow:0 10px 26px rgba(0,0,0,.1)}
.fcard img{width:100%;height:100%;object-fit:cover;transition:.6s}
.fcard:hover img{transform:scale(1.08)}
.fcard .fov{position:absolute;inset:0;background:linear-gradient(to top,rgba(15,25,20,.85),transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:22px;color:#fff}
.fcard .fov small{color:var(--green-l);font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase}
.fcard .fov h4{font-size:19px;margin-top:4px}

/* ENGINEERING page */
.eng{background:var(--steel-d);color:#fff;position:relative;overflow:hidden}
.eng-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.eng h2{font-size:clamp(28px,4vw,42px);margin-bottom:18px}.eng h2 span{color:var(--green-l)}
.eng p{color:#aeb7bf;font-size:17px;margin-bottom:24px}
.eng-tags{display:flex;flex-wrap:wrap;gap:12px}
.eng-tags span{background:rgba(92,196,135,.12);border:1px solid rgba(92,196,135,.35);color:#d7f2e2;padding:9px 18px;border-radius:30px;font-size:14px;font-weight:600}
.eng-img{border:1px solid rgba(92,196,135,.25);border-radius:16px;overflow:hidden;background:#0f1419}
.eng-img img{width:100%}
.eng-cap{font-size:13px;color:#8a97a0;text-align:center;padding:10px;font-family:monospace;letter-spacing:.5px}
.tech-banner{border:1px solid rgba(92,196,135,.2);border-radius:14px;overflow:hidden;background:#0f1419;margin-top:14px}
.tech-banner img{width:100%}

/* PORTFOLIO */
.filters{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:44px}
.filters button{background:#fff;border:1.5px solid var(--line);color:var(--steel);padding:11px 24px;border-radius:30px;font-size:14.5px;font-weight:600;cursor:pointer;transition:.25s}
.filters button:hover{border-color:var(--green)}
.filters button.on{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 8px 20px rgba(47,143,91,.3)}
.gal{columns:3;column-gap:20px}
.gitem{break-inside:avoid;margin-bottom:20px;border-radius:16px;overflow:hidden;position:relative;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.09)}
.gitem.hide{display:none}
.gitem img{width:100%;transition:.6s ease}
.gitem:hover img{transform:scale(1.08)}
.gitem .ov{position:absolute;inset:0;background:linear-gradient(to top,rgba(15,25,20,.86),rgba(15,25,20,.05) 55%);opacity:0;transition:.35s;display:flex;flex-direction:column;justify-content:flex-end;padding:22px}
.gitem:hover .ov{opacity:1}
.gitem .ov small{color:var(--green-l);font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;transform:translateY(10px);transition:.35s .05s}
.gitem .ov h4{color:#fff;font-size:19px;margin-top:5px;transform:translateY(10px);transition:.35s .1s}
.gitem:hover .ov small,.gitem:hover .ov h4{transform:none}
.gitem .zoom{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.2);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;opacity:0;transform:scale(.7);transition:.35s}
.gitem:hover .zoom{opacity:1;transform:scale(1)}
.lb{position:fixed;inset:0;background:rgba(10,14,12,.95);z-index:200;display:none;align-items:center;justify-content:center;padding:40px}
.lb.open{display:flex}
.lb img{max-width:92%;max-height:86%;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb .cap{position:absolute;bottom:28px;left:0;right:0;text-align:center;color:#fff;font-size:16px;font-weight:600}
.lb .x,.lb .arw{position:absolute;color:#fff;cursor:pointer;user-select:none;transition:.2s}
.lb .x{top:24px;right:32px;font-size:40px;line-height:1}
.lb .arw{top:50%;transform:translateY(-50%);font-size:52px;width:64px;text-align:center;opacity:.75}
.lb .arw:hover,.lb .x:hover{opacity:1;color:var(--green-l)}
.lb .prev{left:14px}.lb .next{right:14px}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.ci{display:flex;align-items:center;gap:18px;margin-bottom:22px}
.ci .ic{width:54px;height:54px;border-radius:13px;background:rgba(47,143,91,.12);border:1px solid rgba(47,143,91,.25);display:flex;align-items:center;justify-content:center;font-size:23px;flex-shrink:0}
.ci small{display:block;color:var(--muted);font-size:13px;letter-spacing:.5px}
.ci a,.ci span{font-size:19px;font-weight:700;color:var(--ink)}
.cbox{background:var(--steel-d);color:#fff;border-radius:20px;padding:40px}
.cbox h3{font-size:23px;margin-bottom:10px}
.cbox p{color:#c4ccd3;font-size:15px;margin-bottom:24px}
.cbox .btn{width:100%;justify-content:center}.cbox .btn+.btn{margin-top:13px}
.cbox .field{width:100%;padding:13px 16px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:15px;margin-bottom:13px;font-family:inherit}
.cbox .field::placeholder{color:#9aa8b0}
textarea.field{resize:vertical;min-height:90px}

@media(max-width:960px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .stats .grid{grid-template-columns:repeat(2,1fr)}
  .stats .box{border-bottom:1px solid rgba(255,255,255,.08)}
  .qnav .grid{grid-template-columns:repeat(2,1fr);margin-top:-40px}
  .feat,.gal{grid-template-columns:repeat(2,1fr)}.gal{columns:2}
  .eng-inner,.contact-grid{grid-template-columns:1fr;gap:36px}
}
@media(max-width:620px){
  nav ul,.nav-cta{display:none}
  nav.open ul{display:flex;position:fixed;top:76px;left:0;right:0;flex-direction:column;background:rgba(21,26,31,.98);padding:24px;gap:20px;z-index:99}
  .burger{display:flex}
  .cards,.stats .grid,.qnav .grid,.feat{grid-template-columns:1fr}.gal{columns:1}
  section{padding:64px 0}
  .hero{min-height:0;padding:150px 0 90px}
}