* {
  box-sizing: border-box;
}

body {
  font-family: monospace;
  position: relative;
  background: #000000;
  background-image: radial-gradient(#48484a 5%, transparent 50%);
  background-size: 5px 5px;
  background-attachment: fixed;
  margin: 0;
}

.container {
  max-width: 400px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 15px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

header {
  text-align: center;
}

.logo-wrapper {
  display: inline-block;
}

.logo {
  margin-bottom: 10px;
  max-width: 250px;
  height: auto;
  animation: floatLogo 3s ease-in-out infinite, logoGlow 2s ease-in-out infinite alternate;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.logo-wrapper:hover .logo {
  transform: scale(1.1);
  filter: drop-shadow(0 0 15px #ff0000) drop-shadow(0 0 25px #382eff);
}

@keyframes floatLogo {
  0% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0); }
}

@keyframes logoGlow {
  0% {
    filter: drop-shadow(0 0 2px #ff0000) drop-shadow(0 0 4px #382eff);
  }
  50% {
    filter: drop-shadow(0 0 10px #ff0000) drop-shadow(0 0 15px #382eff);
  }
  100% {
    filter: drop-shadow(0 0 5px #ff0000) drop-shadow(0 0 8px #382eff);
  }
}

.welcome {
  max-width: 350px;
  margin: 0 auto;
}

.welcome h3 {
  font-size: 12px;
  color: #fff;
  overflow: hidden;
  border-right: 0.15em solid #fbf4a0;
  white-space: nowrap;
  letter-spacing: 0.09em;
  animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: #fbf4a0; }
}

.banner {
  border-radius: 10px;
  width: 100%;
  height: auto;
  display: block;
}

.btn-login,
.btn-daftar {
  display: block;
  padding: 15px;
  font-size: 20px;
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  margin-top: 20px;
}

.copyright {
  text-align: center;
  color: #ffffff;
}

.copyright a {
  color: #ff00f5;
}

.glow-on-hover {
  border: none;
  outline: none;
  color: #ff0000;
  background: #111;
  cursor: pointer;
  position: relative;
  z-index: 0;
  border-radius: 10px;
}

.glow-on-hover::before {
  content: '';
  background: linear-gradient(88deg, #c10505, #382eff, #c10505, #382eff, #c10505, #382eff, #c10505, #382eff);
  position: absolute;
  top: -2px;
  left: -2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(5px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: glowing 20s linear infinite;
  opacity: 1;
  transition: opacity .3s ease-in-out;
  border-radius: 10px;
}

.glow-on-hover::after {
  z-index: -1;
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: #111;
  left: 0;
  top: 0;
  border-radius: 10px;
}

@keyframes glowing {
  0% { background-position: 0 0; }
  50% { background-position: 400% 0; }
  100% { background-position: 0 0; }
}