:root {
  --primary: #008692;
  --primary-dark: #006b75;
  --ink: #1f2937;
  --muted: #565c5c;
  --line: #dbe7ea;
  --soft: #eff6f7;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--muted); line-height: 1.65; background: #fff; }
a { color: var(--primary); }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
header { position: sticky; top: 0; background: rgba(255,255,255,.96); z-index: 20; border-bottom: 1px solid var(--line); }
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.nav img { height: 40px; width: auto; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 700; margin-left: 22px; }
.nav a:hover { color: var(--primary); }
.hero { background: linear-gradient(135deg, #006b75 0%, #008692 55%, #0f766e 100%); color: #fff; padding: 76px 0; }
.hero h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.08; margin: 0 0 18px; max-width: 900px; }
.hero p { font-size: 20px; max-width: 850px; margin: 0 0 28px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.button { display: inline-block; padding: 12px 20px; border-radius: 999px; font-weight: 700; text-decoration: none; }
.button.primary { background: #fff; color: var(--primary-dark); }
.button.secondary { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.45); }
main section { padding: 56px 0; }
h2 { color: var(--primary); font-size: 30px; margin: 0 0 18px; }
h3 { color: var(--ink); font-size: 21px; margin: 0 0 10px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--soft); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.white-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px; box-shadow: 0 10px 24px rgba(15,23,42,.06); }
.table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); }
.table th, .table td { text-align: left; padding: 12px; border: 1px solid var(--line); vertical-align: top; }
.table th { background: var(--primary); color: #fff; }
.strip { background: var(--soft); }
.rfq { background: #0f172a; color: #fff; border-radius: 18px; padding: 34px; display: flex; gap: 24px; justify-content: space-between; align-items: center; }
.rfq h2 { color: #fff; }
footer { background: #1f2937; color: #d1d5db; padding: 34px 0; }
footer a { color: #d1d5db; }
@media (max-width: 820px) {
  .nav nav { display: none; }
  .grid, .grid.two, .rfq { display: block; }
  .card, .white-card { margin-bottom: 18px; }
  .hero { padding: 56px 0; }
}