:root {
  --primary-color: #4361ee;
  --secondary-color: #3f37c9;
  --accent-color: #f72585;
  --dark-color: #1b263b;
  --light-color: #f8f9fa;
}

body,
html {
  height: 100%;
  margin: 0;
  font-family: "Vazirmatn", Tahoma, Geneva, Verdana, sans-serif;
  overflow-x: hidden;
}
.background-container {
  height: 100vh;
}

.background-slider {
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.background-slider img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease-in-out, transform 8s ease-in-out;
  transform: scale(1);
  z-index: 1;
}

.background-slider img.active {
  opacity: 1;
  transform: scale(1.05);
}

.overlay {
  z-index: 2;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
}

.logo-peyma {
  max-height: 45px;
  transition: all 0.3s ease;
  top: 30px;
  right: 30px;
  z-index: 5;
}
.logo-peyma:hover {
  transform: scale(1.05);
}

/* .login-btn {
  padding: 10px 25px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid var(--light-color);
  background-color: transparent;
  color: var(--light-color);
  position: absolute;
  top: 30px;
  left: 30px;
  z-index: 5;
}
.login-btn:hover {
  background-color: var(--light-color);
  color: var(--dark-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
} */
.header-content {
  z-index: 3;
  height: 100%;
  padding: 20px;
}

.main-title {
  font-size: 3.5rem;
  margin-bottom: 20px;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.description {
  font-size: 1.3rem;
  margin-bottom: 40px;
  max-width: 700px;
  line-height: 1.8;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}
.description.active {
  opacity: 1;
  transform: translateY(0);
}

.start-btn {
  padding: 15px 50px;
  font-size: 1.2rem;
  border-radius: 50px;
  background-color: var(--accent-color);
  border: none;
  color: white;
  font-weight: bold;
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
  box-shadow: 0 4px 15px rgba(247, 37, 133, 0.4);
}

.start-btn.active {
  opacity: 1;
  transform: translateY(0);
}

.start-btn:hover {
  background-color: #fdb713;
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 10px 25px rgba(247, 37, 133, 0.5);
}

.slider-nav {
  position: absolute;
  bottom: 40px;
  right: 50%;
  transform: translateX(50%);
  display: flex;
  gap: 15px;
  z-index: 4;
}

.slider-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-dot.active {
  background-color: white;
  transform: scale(1.2);
}


@media (max-width: 992px) {
  .main-title {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  .main-title {
    font-size: 1.5rem;
  }

  .description {
    font-size: 1.1rem;
    max-width: 90%;
  }

  .logo-peyma {
    max-height: 40px;
    top: 20px;
    right: 20px;
  }

  /* .login-btn {
    padding: 8px 20px;
    font-size: 0.9rem;
    top: 20px;
    left: 20px;
  } */
}