* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --brand-navy: #0c2440;
  --brand-blue: #0a4f86;
  --brand-light: #f5f8fc;
  --text-main: #1a2b3d;
  --text-muted: #5f7388;
  --line: #d8e1eb;
  --surface: #ffffff;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
  color: var(--text-main);
  line-height: 1.65;
  background: #f0f4f8;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(12, 36, 64, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.95rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0;
  text-decoration: none;
}

.logo-mark {
  width: clamp(3.5rem, 7vw, 4.5rem);
  height: clamp(3.5rem, 7vw, 4.5rem);
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.35));
}

.navbar nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.navbar nav a {
  color: #e2ebf5;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

.navbar nav a:hover {
  color: #fff;
}

.hero {
  min-height: 88vh;
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff;
  background:
    linear-gradient(110deg, rgba(12, 36, 64, 0.9), rgba(10, 79, 134, 0.72)),
    url('images/IMG_3643.jpeg') center/cover no-repeat;
}

.hero h2 {
  font-size: clamp(2.15rem, 4vw, 3.35rem);
  line-height: 1.13;
  margin-bottom: 1rem;
}

.hero-logo {
  width: min(320px, 72vw);
  height: auto;
  display: block;
  margin: 0 auto 1.2rem;
  filter: drop-shadow(0 20px 24px rgba(0, 0, 0, 0.45));
}

.hero p {
  max-width: 720px;
  margin: 0 auto 1.8rem;
  font-size: 1.15rem;
  color: #e8eff8;
}

.section {
  padding: 4.8rem 0;
}

.section.dark {
  background: var(--brand-navy);
  color: #edf3fb;
}

.section h3 {
  text-align: center;
  font-size: clamp(1.75rem, 3vw, 2.15rem);
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.section p {
  max-width: 820px;
  margin: 0 auto 1rem;
  color: inherit;
}

#services.section {
  background: var(--brand-light);
}


.commodities-section {
  background:
    radial-gradient(circle at 20% 20%, rgba(10, 79, 134, 0.16), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(12, 36, 64, 0.14), transparent 48%),
    #eef3f9;
}

.commodities-intro {
  text-align: center;
  max-width: 760px;
}

.commodity-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.95rem;
}

.commodity-item {
  padding: 1rem 1.1rem;
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #fff;
  border-radius: 999px;
  background: linear-gradient(120deg, #0a4f86, #0c2440);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 10px 26px rgba(10, 39, 66, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.commodity-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(10, 39, 66, 0.35);
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.4rem;
  box-shadow: 0 8px 22px rgba(12, 36, 64, 0.08);
}

.card h4 {
  margin-bottom: 0.6rem;
  color: var(--brand-navy);
  line-height: 1.3;
  font-size: 1.1rem;
}

.btn {
  display: inline-block;
  background: var(--brand-blue);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.45rem;
  border-radius: 5px;
}

.btn:hover {
  filter: brightness(0.93);
}

footer {
  background: #081729;
  color: #9fb2c8;
  text-align: center;
  padding: 1.3rem;
}

@media (max-width: 720px) {
  .navbar .container {
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.8rem 0;
  }

  .logo-mark {
    width: 4rem;
    height: 4rem;
  }

  .navbar nav {
    gap: 0.9rem;
    flex-wrap: wrap;
    justify-content: center;
  }
}