:root{
  --navy:#00143C;
  --gold:#FFD700;
  --muted:#f9f9f9;
  --dark:#333;
  --max-width:1100px;
}

/* Reset */
*{box-sizing:border-box}
body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #fff;
  color: var(--dark);
  line-height: 1.6;
  -webkit-font-smoothing:antialiased;
}

/* NAVBAR */
.navbar {
  background: var(--navy);
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand a { text-decoration:none; display:inline-flex; align-items:center; gap:6px; }
.brand .tmc { font-weight:800; color:#fff; font-size:1.25rem; letter-spacing:0.2px; }
.brand .partners { font-weight:800; color:var(--gold); font-size:1.25rem; }
.nav-menu { list-style:none; display:flex; gap:18px; margin:0; padding:0; align-items:center; }
.nav-menu li a { color:#fff; text-decoration:none; font-weight:600; transition:color .2s ease; }
.nav-menu li a:hover { color:var(--gold); }
/* Mobile hamburger nav */
.nav-wrapper { position: relative; display:flex; align-items:center; gap:12px; }
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  width:44px;
  height:44px;
  padding:8px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle .hamburger {
  display:block;
  width:22px;
  height:2px;
  background:#fff;
  position:relative;
  transition:transform .18s ease;
}
.nav-toggle .hamburger::before,
.nav-toggle .hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: #fff;
  transition: transform .18s ease, top .18s ease, bottom .18s ease;
}
.nav-toggle .hamburger::before { top: -7px; }
.nav-toggle .hamburger::after { bottom: -7px; }

/* Mobile behavior */
@media (max-width: 900px) {
  .nav-toggle { display:flex; }
  .nav-menu { 
    position: absolute;
    top: 64px; /* adjust if header height differs */
    right: 20px;
    background: linear-gradient(180deg, #00264D, #001A3A);
    border-radius: 8px;
    padding: 12px;
    display: none;
    flex-direction: column;
    gap: 8px;
    min-width: 200px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.18);
    z-index: 1200;
  }
  .nav-menu li { margin: 0; }
  .nav-menu li a { color: #fff; display:block; padding:8px 12px; border-radius:6px; }
  .nav-menu li a:hover { background: rgba(255,255,255,0.04); color: var(--gold); }

  /* When menu is open */
  .nav-menu.open { display:flex; }
}

/* HERO (deep executive blue) */
.hero {
  background: linear-gradient(180deg, #00264D 0%, #001A3A 100%);
  color: #fff;
  text-align: center;
  padding: 72px 20px 40px;
}
.hero .hero-inner { max-width:var(--max-width); margin:0 auto; }
.hero h1 { font-size:2.6rem; margin:0 0 12px; color:var(--gold); line-height:1.05; }
/* Increase hero subtext size for better legibility */
.hero p {
  font-size: 1.2rem;
  margin: 0 auto 18px;
  max-width: 900px;
  color: #fff;
  opacity: 0.95;
  font-weight: 500;
}
.cta-buttons { margin-top:18px; display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

/* Primary and secondary CTAs: gold filled for uniformity */
.primary-cta,
.secondary-cta {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
  background: var(--gold);
  color: var(--navy);
  border: 1px solid rgba(0,0,0,0.06);
  transition: background .18s ease, transform .12s ease;
}
.primary-cta:hover,
.secondary-cta:hover {
  background: #e6c200;
  transform: translateY(-2px);
}

/* Carousel */
.hero-carousel { position: relative; max-width:1200px; margin:28px auto 0; padding:0 20px; }
.carousel-slides { position: relative; overflow: hidden; min-height:160px; display:flex; align-items:center; justify-content:center; }
.carousel-slide { position:absolute; left:0; top:0; width:100%; opacity:0; transform:translateY(8px); transition:opacity .6s ease, transform .6s ease; text-align:center; padding:10px 20px; }
.carousel-slide.active { opacity:1; transform:translateY(0); position:relative; }

/* Carousel headings: bold white for calmer hero */
.carousel-slide h2 {
  color: #ffffff;
  font-weight: 800;
  text-shadow: 0 2px 6px rgba(0,0,0,0.35);
  letter-spacing: 0.2px;
  margin: 0 0 8px;
  font-size: 1.35rem;
}
.carousel-slide p {
  margin:0;
  color: rgba(255,255,255,0.92);
  font-size:1rem;
  max-width:900px;
  margin-left:auto;
  margin-right:auto;
  font-weight:500;
}
.carousel-controls { margin-top:16px; display:flex; justify-content:center; gap:10px; }
.carousel-dot { width:10px; height:10px; border-radius:50%; background: rgba(255,255,255,0.28); border:none; cursor:pointer; transition:background .18s ease, transform .12s ease; }
.carousel-dot.active { background:var(--gold); transform:scale(1.12); }

/* IDENTITY / HIGHLIGHTS */
.identity-section { max-width:var(--max-width); margin:48px auto; padding:20px; }
.identity-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
.identity-card { background:#ffffff; border-top:4px solid rgba(255,215,0,0.28); padding:20px; border-radius:8px; box-shadow:0 2px 8px rgba(0,0,0,0.06); }
.identity-card h2 { color:var(--navy); margin:0 0 8px; font-size:1.05rem; }
.identity-card p { margin:0; color:var(--dark); font-size:0.95rem; }
/* Make entire service card clickable while preserving card styles */
.service-link {
  text-decoration: none;
  color: inherit;
  display: block;
  border-radius: 8px;
  transition: transform .12s ease, box-shadow .12s ease;
}
.service-link .identity-card {
  height: 100%;
}
.service-link:hover .identity-card {
  transform: translateY(-6px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.10);
}

/* PILLARS */
.pillars { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:20px; max-width:var(--max-width); margin:40px auto; padding:20px; }
.pillar-card { border-radius:8px; padding:20px; box-shadow:0 2px 8px rgba(0,0,0,0.06); transition:transform .25s ease, box-shadow .25s ease; background:#fff; cursor:default; }
.pillar-card:hover { transform:translateY(-6px); box-shadow:0 8px 20px rgba(0,0,0,0.10); }
.pillar-card h3 { color:var(--navy); margin:0 0 8px; }
.pillar-card p { margin:0; color:var(--dark); font-size:0.95rem; }
.pillar-card.procurement { background:#f0f8ff; }
.pillar-card.logistics { background:#f5fff0; }
.pillar-card.supply { background:#f9f9f9; }
.pillar-card.mining { background:#fffaf0; }

/* CTA QUOTE (deep blue to match hero) */
.cta-quote { background: linear-gradient(180deg, #00264D 0%, #001A3A 100%); color:#fff; text-align:center; padding:56px 20px; }
.cta-quote h2 { font-size:1.9rem; color:#ffffff; margin:0 0 12px; }
.cta-quote p { margin:0 0 18px; max-width:900px; margin-left:auto; margin-right:auto; color:rgba(255,255,255,0.95); }
.cta-quote a { background:var(--gold); color:var(--navy); padding:12px 22px; border-radius:6px; text-decoration:none; font-weight:700; border:1px solid rgba(0,0,0,0.06); box-shadow:0 2px 0 rgba(0,0,0,0.04); }
.cta-quote a:hover { background:#e6c200; transform:translateY(-2px); }

/* CONTACT SECTION */
.contact-section { background:var(--muted); text-align:center; padding:48px 20px; }
.contact-section h2 { color:var(--navy); margin:0 0 12px; }
.contact-inline { font-size:0.95rem; color:var(--dark); }
.contact-inline a { color:var(--navy); text-decoration:none; font-weight:600; }

/* PROOF STRIP */
.proof-strip { text-align:center; font-weight:700; margin:22px 0; color:var(--gold); font-size:0.95rem; }

/* FOOTER (deep blue to match hero) */
.footer { background: linear-gradient(180deg, #00264D 0%, #001A3A 100%); color:#fff; padding:28px 20px; text-align:center; }
.footer-links h3 { color:var(--gold); margin:0 0 8px; }
.footer-links ul { list-style:none; padding:0; margin:8px 0 0; display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
.footer-links ul li a { color:#fff; text-decoration:none; font-size:0.95rem; }
.footer-links ul li a:hover { color:var(--gold); }
.footer-bottom { margin-top:12px; font-size:0.9rem; }
.footer-bottom a { color:var(--gold); text-decoration:none; }

/* Value chain diagram placeholder */
.value-chain { display:flex; gap:18px; justify-content:center; align-items:center; flex-wrap:wrap; margin-top:18px; }
.value-chain .step { background:#fff; padding:12px 16px; border-radius:8px; box-shadow:0 2px 8px rgba(0,0,0,0.06); color:var(--navy); font-weight:600; font-size:0.95rem; }

/* Responsive */
@media (max-width: 900px) {
  .hero h1 { font-size:2rem; }
  .identity-grid { grid-template-columns:1fr; }
}
@media (max-width: 480px) {
  .hero h1 { font-size:1.6rem; }
  .carousel-slide h2 { font-size:1.1rem; }
  .nav-menu { display:none; }
}