:root {
  --brand-900: #103a5c;
  --brand-700: #16507f;
  --brand-600: #1e5f98;
  --brand-500: #236fb0; /* primary on light */
  --accent-500: #cf8a00; /* industrial amber (accent) */
  --neutral-900: #0d1320;
  --neutral-800: #1b2232;
  --neutral-700: #2c374d;
  --neutral-600: #44506a;
  --neutral-500: #5f6b84;
  --neutral-400: #828ca3;
  --neutral-300: #aab3c2;
  --neutral-200: #d7dde7;
  --neutral-100: #eef2f8;
  --surface: #ffffff;
  --surface-elev: #ffffff;
  --bg: #ffffff;
  --text: #1a2233;
  --text-dim: #4b5567;
  --ok: #0a8a5b;
  --warn: #b87900;
  --err: #c43d3d;
  --shadow: 0 10px 24px rgba(16, 26, 48, 0.08), 0 2px 6px rgba(16, 26, 48, 0.06);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --container: 1200px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -999px; top: -999px;
}
.skip-link:focus {
  left: 16px; top: 16px; background: var(--brand-900); color: white; padding: 10px 14px; border-radius: var(--radius-sm);
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: saturate(140%) blur(8px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(16, 26, 48, 0.08);
}
.header-inner {
  display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 14px 0;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand .logo { width: 44px; height: 44px; }
.brand .brand-text { display: flex; flex-direction: column; font-size: 12px; color: var(--text-dim); }
.brand strong { font-size: 18px; color: var(--text); letter-spacing: 0.4px; }

.site-nav ul { display: flex; gap: 18px; list-style: none; margin: 0; padding: 0; }
.site-nav a { padding: 8px 10px; border-radius: 8px; color: var(--text-dim); }
.site-nav a:hover { color: var(--text); background: rgba(16, 26, 48, 0.06); }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; border-radius: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

.lang-switch { display: inline-flex; align-items: center; gap: 8px; }
.lang-switch .sep { color: var(--neutral-400); }
.lang-btn { background: none; border: 1px solid rgba(16, 26, 48, 0.14); color: var(--text-dim); padding: 6px 10px; border-radius: 999px; cursor: pointer; }
.lang-btn.active, .lang-btn:hover { color: var(--text); border-color: rgba(16, 26, 48, 0.3); }

/* Hero */
.hero { position: relative; padding: 72px 0 40px; background:
  radial-gradient(600px 600px at -10% -20%, rgba(207, 138, 0, 0.06) 0%, rgba(255,255,255,0) 60%),
  linear-gradient(180deg, rgba(255,255,255, 0.0) 0%, rgba(16, 26, 48, 0.05) 100%);
}
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: center; }
.hero h1 { font-size: 42px; line-height: 1.15; margin: 0 0 14px; letter-spacing: 0.2px; }
.hero .subtitle { color: var(--text-dim); max-width: 60ch; }
.hero .slogan { margin-top: 12px; color: var(--neutral-700); opacity: 0.8; }
.hero-cta { display: flex; gap: 12px; margin-top: 20px; }

.hero-media { position: relative; display: grid; place-items: center; }
.hero-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 26, 48, 0.08);
  box-shadow: var(--shadow);
  object-fit: cover;
}
.hero-card {
  width: 100%;
  max-width: 440px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  background: linear-gradient(180deg, rgba(35,82,127,0.06) 0%, rgba(255,255,255,0.9) 100%), var(--surface);
  border: 1px solid rgba(16, 26, 48, 0.08);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow);
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
}
.stat { background: rgba(16, 26, 48, 0.04); border: 1px solid rgba(16, 26, 48, 0.08); border-radius: var(--radius-md); padding: 16px 14px; text-align: center; }
.stat .num { display: block; font-weight: 700; font-size: 24px; color: var(--accent-500); }
.stat .label { font-size: 12px; color: var(--text-dim); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 10px; border: 1px solid rgba(183, 198, 224, 0.18); transition: 0.2s ease; }
.btn-primary { background: linear-gradient(180deg, var(--brand-600), var(--brand-900)); color: white; border-color: rgba(35, 82, 127, 0.4); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(15, 39, 65, 0.45); }
.btn-ghost { color: var(--text); background: rgba(16, 26, 48, 0.05); border-color: rgba(16, 26, 48, 0.12); }
.btn-ghost:hover { background: rgba(16, 26, 48, 0.08); }

/* Sections */
.section { padding: 72px 0; }
.section.alt { background: linear-gradient(180deg, rgba(16, 26, 48, 0.04), rgba(16, 26, 48, 0.02)); border-top: 1px solid rgba(16, 26, 48, 0.06); border-bottom: 1px solid rgba(16, 26, 48, 0.06); }
.section h2 { font-size: 28px; margin: 0 0 8px; }
.section-lead { color: var(--text-dim); margin: 0 0 20px; }

.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  background: linear-gradient(180deg, rgba(255,255,255, 0.9), rgba(255,255,255, 1));
  border: 1px solid rgba(16, 26, 48, 0.08);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow);
}
.card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(16, 26, 48, 0.08);
  margin-bottom: 10px;
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p, .card li { color: var(--text-dim); }
.list { margin: 8px 0 0; padding-left: 18px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.chip { background: rgba(16, 26, 48, 0.05); border: 1px solid rgba(16, 26, 48, 0.10); color: var(--text); padding: 8px 12px; border-radius: 999px; }

.grid.two { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 20px; align-items: start; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li::before { content: "✔"; color: var(--ok); margin-right: 8px; }

/* Gallery */
.gallery {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.gallery img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(183, 198, 224, 0.10);
  box-shadow: 0 8px 18px rgba(0,0,0,0.25);
}
.credits { margin-top: 8px; color: var(--neutral-300); font-size: 12px; }

/* Vendor emphasis */
.vendor-strip {
  margin: 10px 0 18px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(183,198,224,0.06), rgba(183,198,224,0.02));
  border: 1px solid rgba(183,198,224,0.12);
}
.vendor-title {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--text);
}
.vendor-points {
  margin: 0;
  padding-left: 18px;
  color: var(--text-dim);
  display: grid;
  gap: 6px;
}

/* Contact */
.contact-form { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.field label { color: var(--text); font-size: 14px; }
.field input, .field textarea {
  background: rgba(183, 198, 224, 0.06);
  border: 1px solid rgba(183, 198, 224, 0.18);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  outline: none;
}
.field input::placeholder, .field textarea::placeholder { color: var(--neutral-300); }
.field input:focus, .field textarea:focus { border-color: var(--brand-500); box-shadow: 0 0 0 3px rgba(35, 82, 127, 0.25); }

.contact-info { display: grid; gap: 12px; }
.map-embed { border-radius: var(--radius-md); overflow: hidden; border: 1px solid rgba(183,198,224,0.12); box-shadow: var(--shadow); min-height: 220px; }
.map-embed iframe { width: 100%; height: 260px; border: 0; display: block; }

/* Footer */
.site-footer { border-top: 1px solid rgba(16, 26, 48, 0.08); background: #fafcff; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 18px 0; }
.foot-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text-dim); }
.logo.small { width: 28px; height: 28px; }
.foot-copy { color: var(--text-dim); font-size: 14px; text-align: center; }
.foot-links { display: inline-flex; gap: 12px; }
.foot-links a { color: var(--neutral-300); }
.foot-links a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 980px) {
  .hero-inner, .grid.two { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; }
  .hero-card { position: relative; bottom: auto; left: auto; transform: none; margin-top: 12px; }
}
@media (max-width: 800px) {
  .cards { grid-template-columns: 1fr; }
  .cards.three { grid-template-columns: 1fr; }
  .site-nav ul { display: none; position: absolute; right: 24px; top: 64px; background: var(--surface-elev); padding: 12px; border-radius: 12px; border: 1px solid rgba(183, 198, 224, 0.12); box-shadow: var(--shadow); }
  .nav-toggle { display: inline-block; }
  .site-nav[aria-expanded="true"] ul { display: grid; gap: 6px; }
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Contact centering */
#contact .grid.two {
  grid-template-columns: 1fr;
  justify-items: center;
}
#contact .contact-form {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
}