/* OAG — Supplemental Styles */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body { margin: 0; padding: 0; }

/* Custom scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: #080d1a; }
::-webkit-scrollbar-thumb { background: #1e3a5f; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #06b6d4; }

/* Accessible focus ring */
:focus-visible {
  outline: 2px solid #06b6d4;
  outline-offset: 3px;
  border-radius: 4px;
}

/* Prevent media layout shift */
img, video, iframe, svg {
  max-width: 100%;
  display: block;
}

/* Prevent CLS on fixed nav spacer */
.nav-spacer { height: 4rem; display: block; }

/* Gradient text utility */
.text-gradient {
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Grid pattern background */
.bg-grid {
  background-image:
    linear-gradient(rgba(6, 182, 212, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 182, 212, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* FAQ transition */
.faq-content {
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

/* Form input focus glow */
.form-input:focus {
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

/* Pulse dot animation */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.animate-pulse-dot {
  animation: pulse-dot 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}