:root {
  --color-background: #0a1422;
  --color-surface: #112440;
  --color-surface-raised: #16304f;
  --color-border: #1e3a5f;
  --color-foreground: #eaf2ff;
  --color-muted: #9fb4d4;
  --color-ink: #070e1a;

  --color-brand: #ff2740;
  --color-brand-dark: #c8102e;
  --color-brand-bright: #ff5363;

  --color-accent: #f5b13d;
  --color-accent-bright: #f9db64;
  --color-accent-dark: #d8942a;

  --color-electric: #2ea8ff;

  --gradient-gold: linear-gradient(
    180deg,
    var(--color-accent-bright),
    var(--color-accent) 50%,
    var(--color-accent-dark)
  );
  --gradient-electric: linear-gradient(
    135deg,
    #7dd8ff 0%,
    var(--color-electric) 45%,
    #0f7fe8 100%
  );
  --gradient-brand: linear-gradient(
    180deg,
    var(--color-brand-bright),
    var(--color-brand) 60%,
    var(--color-brand-dark)
  );

  --font-heading: 'Cabin', 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-sans: 'Open Sans', 'Segoe UI', Helvetica, Arial, sans-serif;

  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
}

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

/* Os trechos ocultos ficam no HTML o tempo todo; o atributo `hidden` decide o
   que aparece. */
[hidden] {
  display: none !important;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-background);
  background-image:
    radial-gradient(
      600px 400px at 8% -10%,
      rgba(245, 177, 61, 0.1),
      transparent 60%
    ),
    radial-gradient(
      700px 500px at 110% 10%,
      rgba(46, 168, 255, 0.1),
      transparent 60%
    );
  background-attachment: fixed;
  color: var(--color-foreground);
  overflow-x: hidden;
  user-select: text;
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
}

h1,
h2,
h3,
h4,
.section-title,
.header h1,
.modal-header h2,
.modal-erro-header h3,
.modal-sucesso-header h3,
.modal-confirmacao-header h3 {
  font-family: var(--font-heading);
}