/* ==========================================================
   Base: reset, typography, focus, shared primitives
   ========================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: 1.55;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 700px at 85% -10%, var(--bg-grad-1), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, var(--bg-grad-2), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition:
    background-color var(--dur-med) var(--ease-out),
    color var(--dur-med) var(--ease-out);
}

/* Faint chart-paper grid behind everything: a CRM, after all */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 70% 0%, #000 0%, transparent 70%);
  opacity: 0.5;
}

img,
svg,
video,
iframe {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h2 {
  font-size: var(--fs-lg);
}

h3 {
  font-size: var(--fs-md);
}

p {
  margin: 0;
  text-wrap: pretty;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

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

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

code,
pre,
kbd {
  font-family: var(--font-code);
  font-size: 0.86em;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection {
  background: var(--primary);
  color: var(--primary-ink);
}

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

.skip-link {
  position: fixed;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

.muted {
  color: var(--text-3);
}

.small {
  font-size: var(--fs-sm);
}

.link {
  color: var(--primary);
  font-weight: 600;
  font-size: var(--fs-sm);
}

:root[data-theme='dark'] .link {
  color: var(--purple-400);
}

.link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Scrollbars */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

@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;
  }
}