body {
  margin: 0;
  background-color: #111b28;
  color: #0bc5f6;
  font-family: 'Vazir', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  height: 100vh;
  direction: rtl;
  overflow: hidden;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 1rem;
}

h1 {
  font-size: clamp(1.2rem, 5vw, 2rem);
  margin: 0;
  animation: blink 1.8s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.logo-wrapper {
  position: relative;
  width: 150px;
  height: 150px;
  display: inline-block;
  overflow: hidden;
}

.logo {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 1;
  filter: grayscale(100%) brightness(0) contrast(1000);
  mix-blend-mode: multiply;
}

.logo-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0%;
  background-color: #0bc5f6;
  z-index: 0;
  animation: fillLogo 3s ease-in-out forwards;
}

@keyframes fillLogo {
  0% { height: 0%; }
  100% { height: 100%; }
}