:root {
  color-scheme: light dark;
  --bg-light: #fafafa;
  --bg-dark: #030712;
  --text-light: #0f172a;
  --text-dark: #f1f5f9;
  --line-light: rgba(15, 23, 42, 0.08);
  --line-dark: rgba(148, 163, 184, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  position: relative;
  overflow-x: hidden;
  margin: 0;
  background-color: var(--bg-light);
  color: var(--text-light);
  font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  letter-spacing: 0.01em;
}

.dark body {
  background-color: var(--bg-dark);
  color: var(--text-dark);
}

body::before,
body::after {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
}

body::before {
  z-index: -2;
  background-image:
    linear-gradient(var(--line-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-light) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000 0%, #000 62%, transparent 100%);
}

.dark body::before {
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
}

body::after {
  z-index: -1;
  background:
    linear-gradient(to bottom, rgba(248, 250, 252, 0.8), rgba(248, 250, 252, 0.92)),
    radial-gradient(circle at 16% 0%, rgba(255, 105, 0, 0.08), transparent 42%),
    radial-gradient(circle at 88% 18%, rgba(254, 154, 0, 0.07), transparent 40%),
    radial-gradient(circle at 52% 100%, rgba(251, 44, 54, 0.05), transparent 45%);
}

.dark body::after {
  background:
    linear-gradient(to bottom, rgba(2, 6, 23, 0.36), rgba(2, 6, 23, 0.68)),
    radial-gradient(circle at 16% 0%, rgba(255, 105, 0, 0.2), transparent 42%),
    radial-gradient(circle at 88% 18%, rgba(254, 154, 0, 0.16), transparent 40%),
    radial-gradient(circle at 52% 100%, rgba(251, 44, 54, 0.12), transparent 45%);
}

h1,
h2,
h3 {
  letter-spacing: -0.02em;
}

a,
button {
  transition: all 0.2s ease;
}

@media (max-width: 768px) {
  body::before {
    background-size: 28px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}