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

body {
  min-height: 100vh;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Arial, Helvetica, sans-serif;
  color: #fff;
  background:
    radial-gradient(circle at 50% 25%, rgba(91, 145, 145, 0.45), transparent 32%),
    linear-gradient(135deg, #050707 0%, #10292b 48%, #061012 100%);
}

.window {
  width: min(92vw, 720px);
  min-height: 560px;
  padding: clamp(34px, 6vw, 70px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  text-align: center;
  border-radius: 28px;
  background: rgba(4, 9, 10, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.logo {
  margin-bottom: 28px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 5px;
}

.line {
  width: 54px;
  height: 1px;
  margin-bottom: 38px;
  background: rgba(255, 255, 255, 0.4);
}

.label {
  margin-bottom: 22px;
  color: #d8a636;
  font-size: 12px;
  letter-spacing: 5px;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 0.95;
  font-weight: 900;
  letter-spacing: -3px;
}

.text {
  max-width: 520px;
  margin-bottom: 60px;
  font-size: clamp(18px, 2.5vw, 24px);
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.86);
}

.copyright {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
  color: rgba(255, 255, 255, 0.58);
}

@media (max-width: 600px) {
  body {
    padding: 16px;
  }

  .window {
    width: 100%;
    min-height: 520px;
    border-radius: 22px;
  }

  .logo {
    font-size: 12px;
    letter-spacing: 4px;
  }

  .label {
    font-size: 10px;
    letter-spacing: 3px;
  }

  h1 {
    letter-spacing: -2px;
  }

  .text {
    margin-bottom: 48px;
  }
}