:root {
  --bg: #061a2b;
  --bg-deep: #03111d;
  --panel: rgba(7, 27, 43, 0.78);
  --panel-soft: rgba(10, 34, 54, 0.66);
  --line: rgba(255, 255, 255, 0.1);
  --text: #eff6fb;
  --muted: #b3c8d7;
  --accent: #f6bf26;
  --accent-2: #69c3e8;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(105, 195, 232, 0.15), transparent 30%),
    linear-gradient(180deg, #082339 0%, var(--bg) 45%, var(--bg-deep) 100%);
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(255,255,255,0.1), transparent 18%);
  opacity: 0.18;
}
.page-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 50% 10%, rgba(255,255,255,0.08), transparent 18%),
    radial-gradient(circle at 20% 20%, rgba(105,195,232,0.10), transparent 28%),
    radial-gradient(circle at 80% 18%, rgba(246,191,38,0.07), transparent 18%);
  pointer-events: none;
}
img { max-width: 100%; display: block; }
.site-shell {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 34px;
}
.site-header {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
  background: rgba(4, 18, 31, 0.7);
  border: 1px solid var(--line);
  border-radius: 22px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}
.mini-brand { color: var(--text); text-decoration: none; font-weight: 800; letter-spacing: 0.02em; }
.main-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.main-nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; font-weight: 600; }
.main-nav a:hover, .footer-links a:hover, .mini-brand:hover { color: white; }
main { display: grid; gap: 28px; margin-top: 26px; }
.section-panel, .brand-card, .product-card, .site-footer, .featured-block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.hero-panel {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
  padding: 40px;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; line-height: 1.05; }
h1 { font-size: clamp(2.6rem, 5vw, 4.6rem); max-width: 11ch; }
h2 { font-size: clamp(1.8rem, 3vw, 2.75rem); }
h3 { font-size: 1.35rem; }
.lead, .section-intro, .brand-card p, .product-copy p, .training-copy p, .site-footer, .feature-list, .featured-copy p {
  color: var(--muted);
  line-height: 1.7;
}
.lead { max-width: 62ch; margin: 18px 0 0; font-size: 1.06rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  color: #072134;
  background: linear-gradient(135deg, var(--accent) 0%, #ffd36c 100%);
  box-shadow: 0 12px 24px rgba(246, 191, 38, 0.24);
}
.btn-secondary {
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
}
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-logo { width: min(100%, 700px); filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.38)); }
.brands, .featured { display: grid; gap: 20px; }
.section-heading { padding: 0 6px; }
.section-intro { margin: 12px 0 0; max-width: 60ch; }
.brand-grid { display: grid; gap: 20px; }
.brand-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.brand-card { padding: 28px; background: var(--panel-soft); }
.akuana-card { background: linear-gradient(135deg, rgba(105,195,232,0.08), transparent 45%), var(--panel-soft); }
.tusa-card { background: linear-gradient(135deg, rgba(255,255,255,0.06), transparent 45%), var(--panel-soft); }
.brand-lockup { display: flex; align-items: center; gap: 18px; margin-bottom: 16px; }
.brand-mark { width: 76px; }
.brand-wordmark { width: 220px; }
.tusa-lockup { margin-bottom: 18px; }
.tusa-logo { width: 150px; mix-blend-mode: screen; }
.featured-block { padding: 28px; display: grid; gap: 20px; }
.featured-copy { display: grid; gap: 12px; max-width: 68ch; }
.section-chip {
  display: inline-flex;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(105,195,232,0.14);
  color: var(--accent-2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.product-card {
  grid-column: span 4;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)), var(--panel-soft);
}
.product-card-wide { grid-column: span 8; }
.product-image-wrap {
  min-height: 260px;
  padding: 22px 22px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), transparent);
}
.light-wrap { background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,255,255,0.84)); }
.product-image.contain { object-fit: contain; max-height: 320px; }
.product-image.contain.tall { max-height: 400px; }
.product-copy { padding: 22px; }
.product-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(105,195,232,0.12);
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tusa-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.tusa-product-card { min-height: 100%; }
.why-us .split-panel, .training-panel, .site-footer { padding: 30px; }
.split-panel { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; align-items: center; }
.feature-list { margin: 0; padding-left: 20px; }
.feature-list li + li { margin-top: 10px; }
.training-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 26px; }
.site-footer { display: flex; justify-content: space-between; gap: 24px; margin-top: 28px; }
.footer-links { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.footer-links a { color: var(--muted); text-decoration: none; }
@media (max-width: 1024px) {
  .hero-panel, .brand-grid-2, .split-panel, .training-panel, .tusa-grid { grid-template-columns: 1fr; }
  .product-card, .product-card-wide { grid-column: span 6; }
}
@media (max-width: 720px) {
  .site-shell { width: min(100% - 20px, 1180px); padding-top: 12px; }
  .site-header, .hero-panel, .brand-card, .featured-block, .why-us .split-panel, .training-panel, .site-footer { padding: 20px; }
  .site-header, .site-footer, .footer-links { flex-direction: column; align-items: flex-start; }
  .main-nav { gap: 12px; }
  h1 { max-width: 100%; }
  .product-card, .product-card-wide { grid-column: span 12; }
  .product-image-wrap { min-height: 220px; }
  .brand-wordmark { width: 180px; }
  .tusa-logo { width: 120px; }
}