:root {
  color-scheme: light;
  --fundo: #f5f6f8; --fundo-2: #ffffff; --fundo-3: #eef3ff;
  --linha: #e1e4ea; --texto: #111827; --texto-2: #4b5563; --texto-3: #8a919e;
  --azul: #2a62e8; --verde: #0f9d58; --vermelho: #d93a3a; --amarelo: #b7791f;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--fundo); color: var(--texto); font-family: "DM Sans", system-ui, sans-serif; line-height: 1.5; }
h1, h2, h3 { font-family: "Space Grotesk", system-ui, sans-serif; line-height: 1.15; margin: 0 0 .5em; }
a { color: var(--azul); }
.envolve { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 10px; padding: 11px 18px;
  font: 600 .95rem "DM Sans", sans-serif; cursor: pointer; background: var(--azul); color: white; text-decoration: none; }
.btn:disabled { opacity: .5; cursor: wait; }
.btn-borda { background: #fff; border: 1px solid var(--linha); color: var(--texto); }
.btn-verde { background: var(--verde); color: oklch(0.2 0.03 160); }
.btn-peq { padding: 7px 12px; font-size: .85rem; }
.cartao { background: var(--fundo-2); border: 1px solid var(--linha); border-radius: 16px; padding: 20px; box-shadow: 0 1px 3px rgba(16,24,40,.06); }
.campo { display: grid; gap: 6px; }
.campo label { font-size: .85rem; color: var(--texto-2); font-weight: 600; }
input, select, textarea { width: 100%; background: #fff; border: 1px solid var(--linha); color: var(--texto); border-radius: 10px;
  padding: 11px 12px; font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--azul); border-color: transparent; }
.dica { color: var(--texto-3); font-size: .8rem; }
.erro { color: var(--vermelho); font-weight: 600; min-height: 1.2em; }
.selo { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: .75rem; font-weight: 700; background: var(--fundo-3); color: var(--texto-2); }
.selo.verde { background: color-mix(in oklch, var(--verde) 22%, transparent); color: var(--verde); }
.selo.vermelho { background: color-mix(in oklch, var(--vermelho) 22%, transparent); color: var(--vermelho); }
.selo.amarelo { background: color-mix(in oklch, var(--amarelo) 22%, transparent); color: var(--amarelo); }
.selo.azul { background: color-mix(in oklch, var(--azul) 25%, transparent); color: oklch(0.8 0.1 260); }