html {
  scroll-behavior: smooth;
}

body {
  background-color: #ffffff;
  color: #142033;
}

.site-header {
  transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.92);
  border-bottom-color: rgba(20, 32, 51, 0.08);
  box-shadow: 0 1px 0 rgba(20, 32, 51, 0.03);
  backdrop-filter: blur(12px);
}

.hero-grid {
  background-image:
    linear-gradient(rgba(20, 32, 51, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 32, 51, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 35%, transparent 80%);
}

.hero-glow {
  background:
    radial-gradient(ellipse 50% 40% at 70% 20%, rgba(16, 185, 129, 0.16), transparent 60%),
    radial-gradient(ellipse 45% 35% at 20% 10%, rgba(56, 79, 107, 0.1), transparent 55%);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.logo-mark {
  letter-spacing: -0.045em;
}

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

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}