/* Base Alpha: reset e elementos base */

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

html {
  color-scheme: light;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.55;
  font-feature-settings: "ss01" on;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

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

h1,
h2,
h3,
h4 {
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

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

img {
  height: auto;
}

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

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

/* Campos a partir de 16px: o iPhone não dá zoom ao focar */
input,
select,
textarea {
  font-size: max(16px, 1rem);
}

a,
button,
summary,
[role="button"] {
  touch-action: manipulation;
}

button,
summary,
.btn {
  user-select: none;
  -webkit-user-select: none;
}

::selection {
  background: #cfe2fd;
  color: var(--ink);
}

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

.night :focus-visible {
  outline-color: var(--blue-bright);
}

.tnum {
  font-variant-numeric: tabular-nums;
}

.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;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

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

.wrap {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.section--mist {
  background: var(--mist);
}

.icon {
  width: 24px;
  height: 24px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon--sm {
  width: 18px;
  height: 18px;
}

.nowrap {
  white-space: nowrap;
}