:root {
  --brand-ink: #0b0f1a;
  --brand-ivory: #f6f0e7;
  --brand-gold: #b8955a;
  --brand-blue: #1363df;
  --grid-dot: radial-gradient(circle at 1px 1px, rgba(19, 99, 223, 0.12) 1px, transparent 0);
}

html {
  scroll-behavior: smooth;
}

body {
  background: radial-gradient(circle at 20% 20%, rgba(184, 149, 90, 0.08), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(19, 99, 223, 0.08), transparent 45%),
    linear-gradient(180deg, #f9fbff 0%, #ffffff 35%, #f7f5f0 100%);
}

.grid-bg {
  background-image: var(--grid-dot);
  background-size: 24px 24px;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: max-height 0.35s ease, opacity 0.3s ease, transform 0.3s ease;
}

.mobile-menu.open {
  max-height: 360px;
  opacity: 1;
  transform: translateY(0);
}

.hamburger span {
  display: block;
  height: 2px;
  width: 22px;
  margin: 4px 0;
  border-radius: 999px;
  background: #0f172a;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .mobile-menu,
  .hamburger span {
    transition: none;
  }
}