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

html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #ffffff;
  background: #000000 url("assets/fundo-01bit.png") center center / cover no-repeat fixed;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(0, 255, 70, 0.16), transparent 38%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.38), rgba(0, 0, 0, 0.82));
  z-index: 0;
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
}

.card {
  width: min(92vw, 560px);
  padding: 32px 24px 38px;
  border: 1px solid rgba(0, 255, 70, 0.55);
  border-radius: 32px;
  background: rgba(0, 0, 0, 0.42);
  box-shadow:
    0 0 30px rgba(0, 255, 70, 0.25),
    inset 0 0 28px rgba(0, 255, 70, 0.08);
  backdrop-filter: blur(6px);
}

.logo {
  width: min(68vw, 330px);
  height: auto;
  display: block;
  margin: 0 auto 20px;
  filter: drop-shadow(0 0 22px rgba(0, 255, 70, 0.65));
}

h1 {
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #00ff46;
  text-shadow: 0 0 16px rgba(0, 255, 70, 0.85);
}

p {
  margin-top: 16px;
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: rgba(255, 255, 255, 0.88);
}

.line {
  display: block;
  width: 180px;
  height: 3px;
  margin: 24px auto 0;
  border-radius: 999px;
  background: #00ff46;
  box-shadow: 0 0 18px rgba(0, 255, 70, 0.9);
}

@media (max-width: 600px) {
  body {
    background-attachment: scroll;
  }

  .page {
    padding: 20px;
  }

  .card {
    padding: 24px 16px 30px;
    border-radius: 24px;
  }
}