:root {
  --navy: #132a45;
  --cyan: #22c2e0;
  --ink: #10151d;
}

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body { font-family: 'Segoe UI', ui-sans-serif, system-ui, sans-serif; }

#scroll-progress {
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.1s linear;
}

.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

#back-to-top {
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
#back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

.shine {
  position: relative;
  overflow: hidden;
}
.shine::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,0.35) 50%, transparent 60%);
  transform: translateX(-100%);
  animation: shine-sweep 3.5s ease-in-out infinite;
}
@keyframes shine-sweep {
  0%, 20% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(100%); }
}
@media (prefers-reduced-motion: reduce) {
  .shine::after { animation: none; display: none; }
}

.tier-card { transition: transform 0.25s ease, box-shadow 0.25s ease; }
.tier-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px -10px rgba(19,42,69,0.35); }