@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@400;500;700&family=Noto+Sans:wght@400;500;600;700&display=swap');

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
  font-weight: 700;
}

h1 { font-size: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem); letter-spacing: -0.02em; }
h2 { font-size: 1.55rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.02rem; }

p { margin: 0 0 var(--space-3); }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-accent-hover); text-decoration: underline; }

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

.icon {
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

ul, ol { margin: 0 0 var(--space-3); padding-left: 1.25em; }

small, .text-small { font-size: 0.85rem; color: var(--color-text-muted); }

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-5) 0;
}

/* Foco visível para navegação por teclado */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.visually-hidden {
  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: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus {
  left: 0;
}

::selection {
  background: var(--color-azul-ceu);
  color: var(--color-grafite);
}