:root {
  --bg: #013440;
  --accent: #FF4A0D;
  --text: #F2F5F7;
  --muted: #9DB7BD;
  --card-border: rgba(255,255,255,0.08);
  --shadow: 0 6px 24px rgba(0,0,0,0.25);
  --maxw: 1200px;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  line-height: 1.6;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header + menu */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(1.1) blur(8px);
  background: rgba(1,52,64,0.6);
  border-bottom: 1px solid var(--card-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.3px;
  color: var(--text);
  text-decoration: none !important;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(160deg, var(--accent), #ff7f00);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
}

.brand-logo span {
  font-weight: 900;
  color: #111;
  font-size: 18px;
}

.menu {
  display: flex;
  gap: 22px;
  align-items: center;
  font-weight: 600;
}

.menu a {
  color: var(--muted);
  opacity: 0.95;
  text-decoration: none !important;
}

.menu a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  font-weight: 700;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
  text-decoration: none !important;
}

.btn:hover { transform: translateY(-1px); }
.btn-cta { background: var(--accent); color: #111; border-color: transparent; }
.btn-ghost { background: transparent; color: var(--text); }