@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,500&display=swap');

/* ============ Design tokens ============ */
:root{
  --color-primary:#0F172A;
  --color-primary-2:#1E293B;
  --color-secondary:#334155;
  --color-accent:#059669;
  --color-accent-dark:#047857;
  --color-accent-light:#D1FAE5;
  --color-copper:#B45309;
  --color-background:#F8FAFC;
  --color-surface:#FFFFFF;
  --color-foreground:#0F172A;
  --color-muted:#EEF2F6;
  --color-muted-foreground:#475569;
  --color-border:#E2E8F0;
  --color-destructive:#DC2626;
  --color-on-primary:#FFFFFF;

  --font-sans:'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px; --space-5:24px;
  --space-6:32px; --space-7:48px; --space-8:64px; --space-9:96px;

  --radius-sm:8px; --radius-md:14px; --radius-lg:22px; --radius-full:999px;

  --shadow-sm:0 1px 2px rgba(15,23,42,0.06);
  --shadow-md:0 8px 24px rgba(15,23,42,0.10);
  --shadow-lg:0 20px 48px rgba(15,23,42,0.16);

  --container:1240px;
  --transition:200ms ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;}
}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--color-background);
  color:var(--color-foreground);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:-0.01em;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--color-accent);outline-offset:3px;border-radius:4px;}

.container{max-width:var(--container);margin-inline:auto;padding-inline:var(--space-5);}
@media (max-width:640px){ .container{padding-inline:var(--space-4);} }

section{padding-block:var(--space-9);}
@media (max-width:768px){ section{padding-block:var(--space-7);} }

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;
  color:var(--color-accent-dark);
  background:var(--color-accent-light);
  padding:6px 14px;border-radius:var(--radius-full);
  margin-bottom:var(--space-4);
}
h1{font-size:clamp(2.2rem,4.5vw,3.6rem);}
h2{font-size:clamp(1.7rem,3vw,2.4rem);}
h3{font-size:1.25rem;}
.section-head{max-width:680px;margin-bottom:var(--space-6);}
.section-head.center{margin-inline:auto;text-align:center;}
.lede{font-size:1.1rem;color:var(--color-muted-foreground);margin-top:var(--space-3);}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:var(--radius-full);
  font-weight:700;font-size:0.98rem;cursor:pointer;border:2px solid transparent;
  transition:transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;flex:none;}
.btn-primary{background:var(--color-accent);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--color-accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-dark{background:var(--color-primary);color:#fff;}
.btn-dark:hover{background:var(--color-primary-2);transform:translateY(-1px);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,0.5);}
.btn-outline:hover{background:rgba(255,255,255,0.12);border-color:#fff;}
.btn-outline-dark{background:transparent;color:var(--color-primary);border-color:var(--color-border);}
.btn-outline-dark:hover{border-color:var(--color-primary);background:var(--color-muted);}
.btn-block{width:100%;}
.btn:active{transform:translateY(0);}

/* ============ Header ============ */
.topbar{
  background:var(--color-primary);color:#cbd5e1;font-size:13.5px;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:var(--space-4);padding-block:8px;}
.topbar a{display:inline-flex;align-items:center;gap:6px;color:#e2e8f0;transition:color var(--transition);}
.topbar a:hover{color:#fff;}
.topbar svg{width:14px;height:14px;}
.topbar-left{display:flex;gap:var(--space-5);flex-wrap:wrap;}
.topbar-right{display:flex;gap:var(--space-4);align-items:center;}
@media (max-width:640px){ .topbar-right{display:none;} }

.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(248,250,252,0.98);
  border-bottom:1px solid var(--color-border);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding-block:14px;gap:var(--space-4);}
.brand{display:flex;align-items:center;}
.brand img{height:44px;width:auto;}
.nav-links{display:flex;align-items:center;gap:var(--space-6);}
.nav-links a{
  font-weight:600;font-size:0.96rem;color:var(--color-secondary);
  padding-block:6px;border-bottom:2px solid transparent;transition:color var(--transition), border-color var(--transition);
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--color-primary);border-color:var(--color-accent);}
.nav-links .btn-primary{display:none;}
.nav-actions{display:flex;align-items:center;gap:var(--space-4);position:relative;z-index:160;}
.brand{position:relative;z-index:160;}
.nav-toggle{
  display:none;background:none;border:1px solid var(--color-border);border-radius:var(--radius-sm);
  padding:8px;cursor:pointer;
}
.nav-toggle svg{width:24px;height:24px;}

@media (max-width:900px){
  .nav-links{
    position:fixed;top:64px;right:0;bottom:0;left:0;background:var(--color-surface);
    flex-direction:column;align-items:flex-start;gap:0;padding:var(--space-4) var(--space-5);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity var(--transition), transform var(--transition);
    border-top:1px solid var(--color-border);
    overflow-y:auto;z-index:150;
  }
  .nav-links.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-links a{width:100%;padding-block:14px;border-bottom:1px solid var(--color-border);}
  .nav-actions .btn-primary{display:none;}
  .nav-links .btn-primary{display:inline-flex;margin-top:var(--space-4);}
  .nav-toggle{display:inline-flex;}
}

/* ============ Hero ============ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  padding-block:120px 100px;
}
.hero-bg{position:absolute;inset:0;z-index:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(6,12,26,0.86) 0%, rgba(6,12,26,0.72) 45%, rgba(6,12,26,0.92) 100%);
}
.hero-content{position:relative;z-index:1;max-width:760px;}
.hero .eyebrow{background:rgba(5,150,105,0.18);color:#6ee7b7;}
.hero h1{color:#fff;}
.hero .lede{color:#cbd5e1;font-size:1.15rem;max-width:600px;}
.hero-actions{display:flex;gap:var(--space-4);flex-wrap:wrap;margin-top:var(--space-6);}
.hero-stats{
  position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);
  gap:var(--space-5);margin-top:var(--space-9);border-top:1px solid rgba(255,255,255,0.16);padding-top:var(--space-6);
}
.hero-stats .stat b{display:block;font-size:2rem;font-weight:800;color:#fff;}
.hero-stats .stat span{font-size:0.9rem;color:#94a3b8;}
@media (max-width:768px){
  .hero{padding-block:88px 64px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
}

.page-hero{
  position:relative;color:#fff;padding-block:88px 72px;overflow:hidden;
}
.page-hero .hero-bg::after{background:linear-gradient(180deg, rgba(6,12,26,0.88), rgba(6,12,26,0.78));}
.page-hero > .container{position:relative;z-index:1;}
.page-hero h1{color:#fff;}
.page-hero .lede{color:#cbd5e1;}
.breadcrumb{display:flex;gap:8px;align-items:center;font-size:0.9rem;color:#94a3b8;margin-bottom:var(--space-4);position:relative;z-index:1;}
.breadcrumb a{color:#cbd5e1;}
.breadcrumb a:hover{color:#fff;}

/* ============ Cards / Grid ============ */
.grid{display:grid;gap:var(--space-5);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:900px){ .grid-4{grid-template-columns:repeat(2,1fr);} .grid-3{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;} }

.card{
  background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);
  overflow:hidden;transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent;}

.material-card{position:relative;aspect-ratio:4/5;border-radius:var(--radius-md);overflow:hidden;background:var(--color-primary);}
.material-card img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.material-card:hover img{transform:scale(1.06);}
.material-card .overlay{
  position:absolute;inset:0;background:linear-gradient(180deg, rgba(15,23,42,0) 40%, rgba(15,23,42,0.88) 100%);
}
.material-card .label{
  position:absolute;left:0;right:0;bottom:0;padding:var(--space-4);color:#fff;font-weight:700;font-size:0.98rem;
}
.material-card .tag{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,0.92);color:var(--color-primary);
  font-size:11px;font-weight:800;letter-spacing:0.04em;text-transform:uppercase;padding:5px 10px;border-radius:var(--radius-full);
}
.material-card.icon-only{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:var(--space-3);background:var(--color-primary-2);}
.material-card.icon-only svg{width:52px;height:52px;color:var(--color-accent);}
.material-card.icon-only .label{position:static;text-align:center;padding:0 var(--space-4);}

/* ============ Feature list ============ */
.feature{display:flex;gap:var(--space-4);align-items:flex-start;}
.feature-icon{
  flex:none;width:52px;height:52px;border-radius:var(--radius-md);background:var(--color-accent-light);
  color:var(--color-accent-dark);display:flex;align-items:center;justify-content:center;
}
.feature-icon svg{width:26px;height:26px;}
.feature h3{margin-bottom:6px;}
.feature p{color:var(--color-muted-foreground);}

/* ============ Split section ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-8);align-items:center;}
@media (max-width:900px){ .split{grid-template-columns:1fr;gap:var(--space-6);} }
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);}
.split-media img{width:100%;aspect-ratio:6/5;object-fit:cover;}
.split-media.reverse{order:2;}

.section-dark{background:var(--color-primary);color:#fff;}
.section-dark h2{color:#fff;}
.section-dark .lede{color:#94a3b8;}
.section-muted{background:var(--color-muted);}
.section-surface{background:var(--color-surface);}

/* ============ Stats strip ============ */
.stats-strip{background:var(--color-primary);color:#fff;}
.stats-strip .grid{grid-template-columns:repeat(4,1fr);text-align:center;}
.stats-strip b{display:block;font-size:2.4rem;font-weight:800;color:var(--color-accent);}
.stats-strip span{color:#94a3b8;font-size:0.92rem;}
@media (max-width:640px){ .stats-strip .grid{grid-template-columns:repeat(2,1fr);gap:var(--space-6);} }

/* ============ Badges ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-full);
  font-size:12px;font-weight:700;letter-spacing:0.03em;text-transform:uppercase;
  background:var(--color-muted);color:var(--color-secondary);
}

/* ============ Filters (Products page) ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:var(--space-6);}
.filter-btn{
  padding:10px 18px;border-radius:var(--radius-full);border:1.5px solid var(--color-border);
  background:var(--color-surface);color:var(--color-secondary);font-weight:600;font-size:0.9rem;cursor:pointer;
  transition:all var(--transition);
}
.filter-btn:hover{border-color:var(--color-accent);color:var(--color-accent-dark);}
.filter-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff;}
.products-count{color:var(--color-muted-foreground);font-size:0.9rem;margin-bottom:var(--space-5);}
.product-empty{display:none;padding:var(--space-8) 0;text-align:center;color:var(--color-muted-foreground);}
.product-empty.show{display:block;}

/* ============ Product catalog cards ============ */
.product-card{display:flex;flex-direction:column;height:100%;}
.product-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--color-muted);position:relative;}
.product-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.product-card:hover .thumb img{transform:scale(1.05);}
.product-card .thumb.icon-only{display:flex;align-items:center;justify-content:center;background:var(--color-primary-2);}
.product-card .thumb.icon-only svg{width:44px;height:44px;color:var(--color-accent);}
.product-card .body{padding:var(--space-4) var(--space-5) var(--space-5);display:flex;flex-direction:column;gap:8px;flex:1;}
.product-card .body .badge{align-self:flex-start;}
.product-card .body h3{font-size:1.05rem;}
.product-card .body p{color:var(--color-muted-foreground);font-size:0.92rem;flex:1;}
.product-card .body .note{font-size:0.8rem;color:var(--color-accent-dark);font-weight:600;}

/* ============ CTA banner ============ */
.cta-banner{
  background:linear-gradient(120deg, var(--color-primary), #14532d);
  color:#fff;border-radius:var(--radius-lg);padding:var(--space-8);
  display:flex;justify-content:space-between;align-items:center;gap:var(--space-6);flex-wrap:wrap;
}
.cta-banner h2{color:#fff;margin-bottom:6px;}
.cta-banner p{color:#cbd5e1;}

/* ============ Forms ============ */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5);}
@media (max-width:640px){ .form-grid{grid-template-columns:1fr;} }
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1/-1;}
.field label{font-weight:700;font-size:0.9rem;color:var(--color-secondary);}
.field .req{color:var(--color-destructive);}
.field input,.field select,.field textarea{
  border:1.5px solid var(--color-border);border-radius:var(--radius-sm);padding:13px 16px;
  font-family:inherit;font-size:1rem;background:#fff;color:var(--color-foreground);
  transition:border-color var(--transition), box-shadow var(--transition);
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--color-accent);box-shadow:0 0 0 4px var(--color-accent-light);outline:none;
}
.field textarea{resize:vertical;min-height:120px;}
.field small{color:var(--color-muted-foreground);font-size:0.82rem;}
.form-note{
  display:flex;gap:10px;background:var(--color-accent-light);color:var(--color-accent-dark);
  padding:14px 16px;border-radius:var(--radius-sm);font-size:0.88rem;margin-top:var(--space-4);
}
.form-note svg{width:20px;height:20px;flex:none;margin-top:1px;}
.form-status{margin-top:var(--space-4);font-weight:600;display:none;}
.form-status.show{display:block;}

/* ============ Contact info cards ============ */
.contact-card{display:flex;gap:var(--space-4);align-items:flex-start;padding:var(--space-5);}
.map-frame{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border);box-shadow:var(--shadow-sm);}
.map-frame iframe{width:100%;height:340px;border:0;display:block;}

/* ============ Timeline (About) ============ */
.value-list{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-5);}
@media (max-width:640px){ .value-list{grid-template-columns:1fr;} }

.region-pill{
  display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:var(--radius-md);
  background:var(--color-surface);border:1px solid var(--color-border);font-weight:700;
}
.region-pill svg{width:20px;height:20px;color:var(--color-accent);flex:none;}

/* ============ Footer ============ */
.site-footer{background:var(--color-primary);color:#94a3b8;padding-block:var(--space-8) var(--space-5);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:var(--space-6);}
@media (max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:560px){ .footer-grid{grid-template-columns:1fr;} }
.footer-grid h4{color:#fff;font-size:0.95rem;margin-bottom:var(--space-4);}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid a{color:#94a3b8;transition:color var(--transition);}
.footer-grid a:hover{color:#fff;}
.footer-about p{color:#94a3b8;margin-top:var(--space-4);max-width:320px;}
.footer-contact-line{display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;color:#94a3b8;}
.footer-contact-line svg{width:18px;height:18px;flex:none;margin-top:2px;color:var(--color-accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);margin-top:var(--space-7);padding-top:var(--space-5);
  display:flex;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap;font-size:0.85rem;
}

/* ============ Utilities ============ */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.skip-link{
  position:absolute;left:12px;top:-60px;background:var(--color-accent);color:#fff;
  padding:12px 18px;border-radius:var(--radius-sm);font-weight:700;z-index:200;transition:top var(--transition);
}
.skip-link:focus{top:12px;}

[data-animate]{opacity:0;transform:translateY(16px);transition:opacity 500ms ease, transform 500ms ease;}
[data-animate].in-view{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  [data-animate]{opacity:1;transform:none;transition:none;}
}