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

html {
  min-width: 20rem;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  cursor: pointer;
}

a {
  color: var(--color-primary-700);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--color-primary-900);
}

h1,
h2,
h3,
p {
  margin-block-start: 0;
}

h1,
h2,
h3 {
  color: var(--color-ink);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.12;
}

h1 {
  font-size: clamp(2.15rem, 5vw, 4.75rem);
}

h2 {
  font-size: clamp(1.65rem, 3vw, 2.65rem);
}

h3 {
  font-size: 1.12rem;
}

small {
  font-size: 0.78rem;
}

input,
select,
textarea {
  width: 100%;
  min-height: 2.9rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  padding: 0.72rem 0.85rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: #a99d92;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary-600);
  box-shadow: var(--focus-ring-shadow);
  outline: none;
}

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

[hidden],
.is-hidden {
  display: none !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: var(--space-3);
  left: var(--space-3);
  transform: translateY(-160%);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  color: var(--color-ink);
  padding: 0.7rem 1rem;
  transition: transform var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  clip-path: inset(50%);
}

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