/* Reset & Global Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* Ambient Gradient Background */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(112, 0, 255, 0.15) 0%, transparent 40%),
              radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.1) 0%, transparent 30%);
  z-index: var(--z-negative);
  pointer-events: none;
}

::selection {
  background-color: var(--color-accent-1);
  color: var(--color-text-primary);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }

p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 60ch;
  margin-bottom: var(--space-4);
}

a {
  color: inherit;
  text-decoration: none;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}