body {
  font-family: var(--font-body-family);
  font-size: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  line-height: var(--line-height-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle background grain/texture for premium feel */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
  opacity: 1;
}

h1, h2, h3, .font-display {
  font-family: var(--font-display-family);
  font-weight: 400;
  line-height: var(--line-height-heading);
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
h4, h5, h6 {
  font-weight: 700;
  line-height: var(--line-height-heading);
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
h1 { font-size: var(--font-h1); }
h2 { font-size: var(--font-h2); }
h3 { font-size: var(--font-h3); }
h4 { font-size: var(--font-h4); }

p {
  max-width: 70ch;
  color: var(--color-text-secondary);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}
.section {
  padding-block: var(--section-padding-y);
}
.section-light {
  background-color: var(--color-surface);
}
.section-soft {
  background-color: var(--color-background-soft);
}
.section-dark {
  background-color: var(--color-primary);
  color: var(--color-surface);
}
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark p {
  color: var(--color-surface);
}

.text-center { text-align: center; }
.text-secondary { color: var(--color-text-secondary); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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