/* ==========================================================================
   Base reset + foundation
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  font-variant-numeric: tabular-nums;
}

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

svg { fill: currentColor; }

ul, ol { list-style: none; }

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

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-interactive);
}
a:hover { color: var(--color-primary); }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink-2);
  text-wrap: balance;
}
[data-theme='dark'] h1,
[data-theme='dark'] h2,
[data-theme='dark'] h3,
[data-theme='dark'] h4,
[data-theme='dark'] h5,
[data-theme='dark'] h6 { color: var(--color-ink-2); }

h1 { font-size: var(--text-hero); font-weight: 600; letter-spacing: var(--tracking-tighter); }
h2 { font-size: var(--text-3xl); font-weight: 600; letter-spacing: var(--tracking-tighter); }
h3 { font-size: var(--text-2xl); font-weight: 600; }
h4 { font-size: var(--text-xl); font-weight: 600; }
h5 { font-size: var(--text-lg); font-weight: 600; }
h6 { font-size: var(--text-base); font-weight: 600; }

p {
  text-wrap: pretty;
  max-width: 68ch;
}

small { font-size: var(--text-xs); color: var(--color-text-muted); }

::selection {
  background: rgba(14, 109, 255, 0.22);
  color: var(--color-text);
}

:focus-visible {
  outline: none;
  box-shadow: var(--ring-focus);
  border-radius: var(--radius-xs);
}

@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;
  }
}

/* Interactive transitions */
a, button, [role='button'], input, textarea, select {
  transition:
    color var(--transition-interactive),
    background-color var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

.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;
}

/* Layout helpers */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}
.container-narrow { max-width: var(--content-narrow); margin-inline: auto; padding-inline: var(--page-gutter); }
.container-default { max-width: var(--content-default); margin-inline: auto; padding-inline: var(--page-gutter); }
.container-full { max-width: var(--content-full); margin-inline: auto; padding-inline: var(--page-gutter); }

section { padding-block: var(--section-y); }
section.section-sm { padding-block: var(--section-y-sm); }

/* Utility */
.text-muted { color: var(--color-text-muted); }
.text-faint { color: var(--color-text-faint); }
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }
.font-mono { font-family: var(--font-mono); }
.tabular { font-variant-numeric: tabular-nums; }