:root{
  --rust-500:#D65A1F;     /* primary / buttons / accents */
  --amber-600:#D6812C;    /* secondary highlight          */
  --ochre-600:#B97E2A;    /* muted accent                 */
  --sienna-700:#8C4427;   /* dark accent for hovers       */
  --walnut-800:#5A321A;   /* darkest (footer / headings)  */

  --bg:#ffffff;           /* page background              */
  --ink:#2B2F33;          /* primary text                 */
  --muted:#66717A;        /* secondary text               */
  --divider:#ECEFF1;      /* section separators           */
  --panel:#F7F9FB;        /* soft section bg / quotes     */

  --radius:12px;
  --radius-sm:10px;
  --shadow:0 8px 20px rgba(15, 23, 42, .06);
  --shadow-soft:0 4px 12px rgba(15, 23, 42, .05);

  --container:1200px;
  --space-1:8px;   --space-2:12px;  --space-3:16px;
  --space-4:20px;  --space-5:28px;  --space-6:36px;
  --space-7:48px;  --space-8:64px;  --space-9:80px;
}

/* ---------- RESET / BASE ---------- */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font:16px/1.6 "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}
h1,h2,h3,h4{
  font-family:"Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:#1c1f22; margin:0 0 var(--space-3)
}
h1{font-weight:800; font-size:clamp(28px, 4vw, 40px)}
h2{font-weight:800; font-size:clamp(22px, 3vw, 28px)}
h3{font-weight:700; font-size:clamp(18px, 2.5vw, 22px)}
p{margin:0 0 var(--space-3); color:var(--ink)}
a{color:var(--rust-500); text-decoration:none}
a:hover{color:var(--sienna-700)}
img{max-width:100%; height:auto; display:block}
figure{margin:0}
figcaption{color:var(--muted); font-size:.9rem; margin-top:6px}

.container{max-width:var(--container); margin:0 auto; padding:0 16px}
.row{display:flex; gap:16px}
.between{justify-content:space-between}
.center{align-items:center}
.grid{display:grid; gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

section{padding:var(--space-8) 0}
section + section{border-top:1px solid var(--divider)}

/* ---------- A11Y ---------- */
.skip-link{position:absolute; left:-9999px}
.skip-link:focus{
  left:8px; top:8px; background:#fff;
  padding:6px 10px; border:1px solid var(--divider)
}
.site-header{
  position:sticky; top:0; z-index:50;
  background:#fff; border-bottom:1px solid var(--divider);
  box-shadow:0 2px 6px rgba(0,0,0,.03);
}
.brand img{display:block}
.nav-list{
  display:flex; gap:28px; align-items:center; margin:0; padding:0; list-style:none
}
.nav-list a{color:#2B2F33; padding:10px 2px; border-bottom:2px solid transparent}
.nav-list a:hover{border-color:var(--amber-600)}
.nav-list a.active{border-color:var(--rust-500)}
.btn{
  display:inline-block; font-weight:700;
  background:var(--rust-500); color:#fff;
  padding:10px 16px; border-radius:var(--radius-sm);
  box-shadow:var(--shadow-soft);
  transition:transform .08s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover{background:var(--sienna-700); transform:translateY(-1px); box-shadow:var(--shadow)}
.btn.btn-outline{background:#fff; color:var(--rust-500); border:1px solid var(--rust-500)}
.btn.btn-outline:hover{color:#fff; background:var(--sienna-700); border-color:var(--sienna-700)}

/* Hamburger */
.nav-toggle{
  display:none;
  width:42px; height:36px;
  border:1px solid var(--divider);
  border-radius:10px; background:#fff; cursor:pointer;
  align-items:center; justify-content:center;
  box-shadow:var(--shadow-soft);
}
.nav-toggle .bar{
  display:block; width:22px; height:2px; background:#2B2F33;
  margin:3px 0; transition:transform .2s ease, opacity .15s ease, width .2s ease;
}
.nav-toggle.is-open .bar:nth-child(1){ transform:translateY(5px) rotate(45deg); }
.nav-toggle.is-open .bar:nth-child(2){ opacity:0; width:0; }
.nav-toggle.is-open .bar:nth-child(3){ transform:translateY(-5px) rotate(-45deg); }

@media (min-width: 769px){
  #primary-nav{ position:static; transform:none; opacity:1; visibility:visible; }
}
@media (max-width: 768px){
  .nav-toggle{ display:flex; }
  .site-header .container{ gap:10px; }

  #primary-nav{
    position:absolute;
    left:0; right:0; top:100%;
    background:#fff;
    border-bottom:1px solid var(--divider);
    box-shadow:0 10px 20px rgba(0,0,0,.06);
    transform:translateY(-120%);
    opacity:0; visibility:hidden;
    transition:transform .18s ease, opacity .18s ease, visibility 0s linear .18s;
    z-index:40;
  }
  #primary-nav.open{
    transform:translateY(0);
    opacity:1; visibility:visible;
    transition:transform .18s ease, opacity .18s ease;
  }

  .nav-list{
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:8px 12px 12px;
  }
  .nav-list li{ width:100%; }
  .nav-list a{
    display:block; width:100%;
    padding:12px 8px; border-bottom:1px solid var(--divider);
  }
  .nav-list li:last-child a{ border-bottom:none; }
  .nav-list .btn{
    width:100%; text-align:center; margin-top:6px;
  }
}
.hero{
  padding:var(--space-9) 0 var(--space-7);
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,245,235,.65) 100%),
    radial-gradient(1200px 400px at 50% -10%, rgba(214,90,31,.08), transparent 70%);
  text-align:center;
}
.hero h1{margin-bottom:var(--space-3)}
.hero p{max-width:820px; margin:0 auto var(--space-4); color:#324049}
.hero figure{
  max-width:1200px; margin:var(--space-4) auto 0;
  border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow)
}

.stats{
  list-style:none; padding:0; margin:0;
  display:flex; gap:20px; justify-content:center; flex-wrap:wrap
}
.stats li{
  background:#fff; padding:16px 20px; border:1px solid var(--divider);
  border-radius:var(--radius); box-shadow:var(--shadow-soft);
  min-width:190px; text-align:center
}
.stats strong{display:block; font-size:22px; color:var(--walnut-800)}
#about figure{border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow)}
#projects .gallery figure, .gallery .card{
  background:#fff; border:1px solid var(--divider);
  border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-soft);
}
#projects .gallery figure img{height:240px; width:100%; object-fit:cover}
#projects h2, #testimonials h2{position:relative; padding-bottom:8px}
#projects h2::after, #testimonials h2::after{
  content:""; position:absolute; left:0; bottom:0;
  width:56px; height:3px; background:var(--rust-500); border-radius:3px;
}

/* Founder section */
.founder-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 32px;
  margin-top: 24px;
}
.founder-card{
  background: #fff;
  border: 1px solid var(--divider);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.2s ease;
  display: grid;
  grid-template-columns: 220px 1fr;
  align-items: center;
  gap: 24px;
  padding: 24px;
}
.founder-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow); }
.founder-photo img{
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}
.founder-text h3{
  margin-bottom: 6px;
  color: var(--walnut-800);
  font-weight: 700;
  font-size: 1.2rem;
}
.founder-text p{ margin: 6px 0; line-height: 1.6; }

/* Testimonials */
#testimonials{
  background:var(--panel);
  border-top:1px solid var(--divider);
  border-bottom:1px solid var(--divider)
}
#testimonials blockquote{
  background:#fff; border:1px solid var(--divider); border-left:6px solid var(--amber-600);
  border-radius:var(--radius); padding:18px; margin:0 0 16px; box-shadow:var(--shadow-soft);
  font-style:italic; color:#27323A;
}
#testimonials cite{display:block; margin-top:8px; font-style:normal; color:#fff}
.clients-section{
  margin-top: 8px;
  padding: 32px 20px 40px;
  background: #eef5fb;
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  text-align: center;
}
.clients-section h2{ margin-bottom: 18px; color:#1f3b56 }

.clients-grid{
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: var(--container);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px;
}
.client-tile{
  background: #fff;
  border: 1px solid var(--divider);
  border-radius: 16px;
  height: 120px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
  transition: transform .12s ease, box-shadow .15s ease, border-color .15s ease;
}
.client-tile:hover{
  transform: translateY(-3px);
  border-color: rgba(214, 90, 31, .35);
  box-shadow: var(--shadow);
}
.client-tile img{
  width: 92%;
  max-height: 78px;
  object-fit: contain;
  filter: grayscale(25%) contrast(1.05);
  transition: filter .18s ease;
}
.client-tile:hover img{ filter: grayscale(0%) }
.client-fallback{
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--walnut-800);
  background: rgba(214,129,44,.10);
  box-shadow: inset 0 0 0 2px rgba(214,129,44,.15);
}
.contact-hero{
  text-align:center;
  padding: 24px 0 8px;
}
.contact-hero p{ color:#324049; max-width:760px; margin:6px auto 0; }

.contact-wrap{
  display:grid;
  grid-template-columns: 1.25fr .9fr;
  gap:24px;
  align-items:start;
}

.contact-card{
  background:#fff; border:1px solid var(--divider);
  border-radius:16px; box-shadow:var(--shadow);
  padding:22px 18px;
}
.contact-title{ margin:4px 0 14px; }

.form-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
.form-grid .span-2{ grid-column:1 / -1; }

.hp{ position:absolute; left:-9999px; opacity:0; }

.err{
  display:none; color:#b42318; font-size:.85rem; margin-top:6px;
}

.tiny-note{ color:var(--muted); font-size:.85rem; margin-top:10px }

.contact-side{ display:grid; gap:16px; }

.info-card, .map-card{
  background:#fff; border:1px solid var(--divider);
  border-radius:16px; box-shadow:var(--shadow-soft);
  padding:16px;
}
.info-card h3{ margin-bottom:10px; }

.info-list{ list-style:none; margin:0; padding:0; display:grid; gap:14px; }
.info-list li{ display:grid; grid-template-columns: 32px 1fr; gap:12px; }
.info-list .ico{ font-size:20px; line-height:1; margin-top:2px; }

form input, form textarea{
  width:100%; border:1px solid var(--divider); border-radius:10px;
  padding:12px 12px; font:inherit; background:#fff
}
form input:focus, form textarea:focus{outline:2px solid rgba(214,129,44,.35)}
label{font-weight:600; color:#27323A}

.map-card iframe {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}
.services-grid ul{list-style:none; padding:0; margin:0}
.services-grid .grid > li{
  background:#fff; border:1px solid var(--divider);
  border-radius:var(--radius); padding:16px; box-shadow:var(--shadow-soft)
}
.services-grid h3{color:var(--walnut-800); margin-bottom:6px}
.services-grid {
  background: rgba(214,129,44,.03);
  border-radius: 14px;
  padding: 40px 20px;
}
.machinery-grid{
  list-style:none;
  padding:0;
  margin:24px 0 0;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:24px;
}
.machinery-grid figure{
  background:#fff;
  border:1px solid var(--divider);
  border-radius:14px;
  box-shadow:var(--shadow-soft);
  overflow:hidden;
  transition:transform .12s ease, box-shadow .15s ease;
}
.machinery-grid figure:hover{ transform:translateY(-3px); box-shadow:var(--shadow) }
.machinery-grid img{ width:100%; height:180px; object-fit:cover; display:block }
.machinery-grid figcaption{
  padding:10px 14px;
  font-size:0.95rem;
  color:var(--walnut-800);
  text-align:center;
  background:#fff;
  font-weight:600;
}
.exp-hero{ text-align:center; padding: 18px 0 6px; }
.exp-hero p{ max-width: 900px; margin: 8px auto 0; color:#324049 }

.metric-cards{
  display:grid; grid-template-columns: repeat(3, minmax(180px,1fr));
  gap:16px; margin: 18px auto 0; max-width: 920px;
}
.metric{
  background:#fff; border:1px solid var(--divider);
  border-radius:16px; box-shadow:var(--shadow-soft);
  text-align:center; padding:16px 10px;
}
.metric .num{ display:block; font-weight:800; font-size:28px; color:var(--walnut-800) }
.metric .lbl{ display:block; color:#4b5963 }

.capabilities h2{ text-align:center; margin-bottom:10px }
.caps-grid{
  list-style:none; padding:0; margin:0 auto; max-width:1100px;
  display:grid; grid-template-columns:repeat(4,1fr); gap:16px;
}
.caps-grid li{
  background:#fff; border:1px solid var(--divider);
  border-radius:14px; padding:14px; box-shadow:var(--shadow-soft)
}
.caps-grid h3{ margin-bottom:6px; color:var(--walnut-800) }

.project-strip h2{ text-align:center; margin-bottom:12px }
.project-strip .strip{ display:grid; grid-template-columns:repeat(4,1fr); gap:12px }
.project-strip figure{
  border-radius:12px; overflow:hidden; border:1px solid var(--divider);
  box-shadow:var(--shadow-soft)
}
.project-strip img{ width:100%; height:180px; object-fit:cover }

.timeline h2{ text-align:center; margin-bottom:12px }
.steps{
  list-style:none; padding:0; margin:0 auto; max-width:900px;
  display:grid; grid-template-columns:repeat(4,1fr); gap:18px;
}
.steps li{
  background:#fff; border:1px solid var(--divider); border-radius:14px;
  padding:14px; box-shadow:var(--shadow-soft); position:relative
}
.steps li .dot{
  position:absolute; left:14px; top:-8px; width:16px; height:16px;
  border-radius:50%; background:linear-gradient(90deg,var(--rust-500),var(--amber-600));
  box-shadow:0 0 0 3px #fff;
}
.steps li h3{ margin:2px 0 6px; padding-left:0 }

.badges ul{
  display:flex; flex-wrap:wrap; gap:10px; list-style:none; padding:0; margin:6px 0 0; justify-content:center
}
.badge{
  background:rgba(214,129,44,.10); color:var(--walnut-800);
  border:1px solid rgba(214,129,44,.25);
  font-weight:700; padding:8px 12px; border-radius:999px
}

.cta-band{
  margin-top:18px;
  background:linear-gradient(0deg, rgba(214,129,44,.08), rgba(214,129,44,.08));
  border:1px solid var(--divider); border-radius:16px; box-shadow:var(--shadow);
}
.cta-inner{ text-align:center; padding:22px 16px }
.cta-inner p{ margin:8px 0 0 }
.site-footer{
  background:var(--walnut-800);
  color:#f8f9fb;
  padding:40px 0 0;
  font-size:0.95rem;
}
.footer-top{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:32px;
  padding-bottom:20px;
  border-bottom:1px solid rgba(255,255,255,0.15);
}
.site-footer h4{
  color:#fff; font-size:1rem; margin:0 0 10px;
  text-transform:uppercase; letter-spacing:.5px;
}
.footer-links, .contact-list{list-style:none; margin:0; padding:0}
.footer-links li, .contact-list li{margin:4px 0}
.footer-links a{color:#f8f9fb}
.footer-links a:hover{color:#ffd7b3}
.footer-bottom{
  padding:10px 0 14px;
  font-size:0.85rem; opacity:.9;
}
.footer-bottom .row{gap:12px}
.footer-bottom small{color:#ddd}
.footer-bottom img{opacity:.9}

@media (max-width: 1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .caps-grid{ grid-template-columns:repeat(2,1fr) }
  .steps{ grid-template-columns:repeat(2,1fr) }
  .project-strip .strip{ grid-template-columns:repeat(2,1fr) }
}
@media (max-width: 980px){
  .contact-wrap{ grid-template-columns:1fr; }
}
@media (max-width: 768px){
  body { font-size: .95rem; }
  .container { padding: 0 14px; }
  h1 { font-size: 1.6rem; line-height: 1.3; }
  h2 { font-size: 1.3rem; }
  h3 { font-size: 1.1rem; }

  .nav-list{gap:16px}
  section{padding:var(--space-6) 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .hero,.exp-hero,.contact-hero{ text-align:center; padding:24px 10px }
  .hero{padding:var(--space-8) 0 var(--space-6)}
  .hero p,.exp-hero p{ font-size:.9rem; line-height:1.5 }

  .metric-cards { grid-template-columns:1fr; max-width:520px; }
  .founder-card{ grid-template-columns: 1fr; text-align: center; }
  .founder-photo img{ height: 260px; margin: 0 auto; }
  .form-grid{ grid-template-columns:1fr; }
}
@media (max-width: 560px){
  .caps-grid{ grid-template-columns:1fr }
  .steps{ grid-template-columns:1fr }
  .project-strip .strip{ grid-template-columns:1fr }
}
@media (max-width: 520px){
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .stats li{min-width:auto; width:100%}
  .clients-grid{ grid-template-columns: repeat(3, 1fr); }
  .client-tile{ height: 100px; }
  .client-tile img{ max-height: 64px; }
  .project-strip img{ height: 160px; }
  .badges ul { gap: 8px; }
  .badge { font-size: .85rem; padding: 6px 10px; }
  .site-footer { text-align:center; }
  .footer-top { grid-template-columns:1fr; gap:10px; }
  .footer-bottom img { margin:10px auto 0; }
}