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

body {
  height: 100vh;
  background: linear-gradient(to right, #ffecd2, #fcb69f);
  font-family: 'Poppins', sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  flex-direction: column;
  color: #2c3e50;
  padding: 20px;
  position: relative;
}

.logo {
  font-size: 2.5em;
  font-weight: 700;
  color: #27ae60;
  margin-bottom: 15px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: 3em;
  color: #d35400;
  margin-bottom: 0.4em;
}

.dots span {
  opacity: 0.2;
  animation: blink 1.5s infinite;
  display: inline-block;
}

.dots span:nth-child(2) {
  animation-delay: 0.3s;
}

.dots span:nth-child(3) {
  animation-delay: 0.6s;
}

@keyframes blink {
  0%, 80%, 100% { opacity: 0.2; }
  40% { opacity: 1; }
}

/* تایپ‌افکت */
.typewriter {
  font-size: 1.2em;
  color: #444;
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  width: 0;
  animation: typing 3s steps(40, end) 1s infinite alternate;
  border-right: none; /* caret حذف شده */
  max-width: 100%;
}

@keyframes typing {
  from { width: 0 }
  to { width: 40ch }  /* عدد به تعداد کاراکتر متن */
}

footer {
  position: absolute;
  bottom: 20px;
  font-size: 0.9em;
  color: #666;
}