:root {
  --oh-navy:   #1a3a5c;
  --oh-sky:    #2e86c1;
  --oh-amber:  #e67e22;
  --oh-green:  #27ae60;
  --oh-yellow: #f39c12;
  --oh-red:    #c0392b;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #f4f6f9;
  color: #212529;
}

/* ── Navbar ── */
.navbar {
  background: var(--oh-navy);
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.navbar-brand {
  font-weight: 700;
  font-size: 1.4rem;
  color: #fff !important;
  letter-spacing: .02em;
}
.navbar-brand .brand-icon {
  color: var(--oh-amber);
}
.nav-link {
  color: rgba(255,255,255,.8) !important;
  font-size: .92rem;
}
.nav-link:hover, .nav-link.active {
  color: #fff !important;
}
.navbar-toggler {
  border-color: rgba(255,255,255,.3);
}
.navbar-toggler-icon {
  filter: invert(1);
}
.env-badge {
  display: inline-block;
  font-size: .6rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .15rem .45rem;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: .4rem;
  line-height: 1.4;
  position: relative;
  top: -1px;
}
.env-badge-dev {
  background: var(--oh-amber);
  color: #fff;
  box-shadow: 0 0 0 2px rgba(230,126,34,.4);
}
.env-badge-test {
  background: #7c3aed;
  color: #fff;
  box-shadow: 0 0 0 2px rgba(124,58,237,.4);
}
.env-badge-demo {
  background: var(--oh-sky);
  color: #fff;
  box-shadow: 0 0 0 2px rgba(46,134,193,.4);
}

.demo-wipe-banner {
  border-radius: 0 !important;
  font-size: .9rem;
  padding: .5rem 1rem;
}

.btn-nav-login {
  background: var(--oh-amber);
  color: #fff;
  border: none;
  font-weight: 600;
  padding: .35rem .9rem;
  border-radius: 6px;
  font-size: .9rem;
}
.btn-nav-login:hover {
  background: #cf6d17;
  color: #fff;
}

/* ── Hero sections (landing + welcome share the same background) ── */
.hero, .welcome-hero {
  background: linear-gradient(135deg, var(--oh-navy) 0%, #1e5080 60%, #2e86c1 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::before, .welcome-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* ── Primary CTA button (amber, used on landing + welcome) ── */
.btn-hero-primary {
  background: var(--oh-amber);
  border: none;
  color: #fff;
  font-weight: 700;
  padding: .7rem 1.8rem;
  font-size: 1rem;
  border-radius: 8px;
  transition: background .2s, transform .1s;
}
.btn-hero-primary:hover {
  background: #cf6d17;
  color: #fff;
  transform: translateY(-1px);
}

/* ── Icon colour helpers (feature/stat/info icons across all pages) ── */
.icon-blue   { background: #dbeafe; color: var(--oh-sky); }
.icon-amber  { background: #fef3c7; color: var(--oh-amber); }
.icon-green  { background: #dcfce7; color: var(--oh-green); }
.icon-purple { background: #ede9fe; color: #7c3aed; }

/* ── Footer ── */
footer {
  background: var(--oh-navy);
  color: rgba(255,255,255,.6);
  font-size: .85rem;
}
footer a {
  color: rgba(255,255,255,.6);
  text-decoration: none;
}
footer a:hover {
  color: #fff;
}