*, *::before, *::after {
  box-sizing: border-box;
}

body, h1, h2, h3, h4, p, figure, blockquote, dl, dd {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: 1.5;
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.2;
}

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

img, picture {
  max-width: 100%;
  display: block;
}

button, input, select, textarea {
  font: inherit;
}

/* Base selection and focus styles */
::selection {
  background-color: color-mix(in srgb, var(--primary) 20%, transparent);
  color: var(--foreground);
}

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* Phosphor icon classes */
.ph, .ph-bold, .ph-fill {
  font-style: normal;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
  speak: never;
}
.ph-bold { font-family: 'Phosphor-Bold'; font-weight: 700; }
.ph-fill { font-family: 'Phosphor-Fill'; font-weight: 400; }

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background-color: var(--primary);
  color: var(--primary-foreground);
  border-radius: 0 0 var(--radius) 0;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

/* Reduced-motion safe default for hidden util */
.hidden {
  display: none !important;
}

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