/* ==========================================================================
   reset.css  —  Modern CSS Reset + Accessibility Baseline
   ========================================================================== */

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

/* Remove default margins / paddings */
* {
  margin: 0;
  padding: 0;
}

/* Root */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Body */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text);
}

p {
  max-width: 70ch;  /* Optimal reading width */
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Lists */
ul, ol {
  list-style: none;
}

/* Media */
img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

picture {
  display: block;
}

/* Form elements inherit font */
input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* Tables */
table {
  border-collapse: collapse;
}

/* Focus visible — keyboard nav only */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

/* Reduced motion */
@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;
  }
}

/* Screen reader only utility */
.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;
}