/* نوبار حرفه‌ای و چسبان */
#navbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: 80px;
  background-color: #002f5f;
  background-image: url('{% static "images/navbar-bg.jpg" %}');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  font-family: 'IranSans', sans-serif;
  transition: all 0.4s ease;
}

#navbar.scrolled {
  height: 60px;
  background-color: rgba(0, 47, 95, 0.95);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.nav-container a {
  color: #ffffff;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: bold;
  padding: 0px 16px;
  border-radius: 4px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-container a:hover {
  background-color: #005baa;
  color: #cce6ff;
}

.logo {
  height: 50px;
  transition: height 0.4s ease;
}

#navbar.scrolled .logo {
  height: 40px;
}

/* منوی اصلی */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #005baa;
  direction: rtl;
  padding: 0;
  border-bottom: 2px solid #ffffff;
  font-family: 'IRANSans', sans-serif;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.nav-list {
  list-style: none;
  display: flex;
  justify-content: flex-start;
  margin: 0;
  padding: 0 20px;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: block;
  color: white;
  font-weight: bold;
  text-decoration: none;
  padding: 16px 24px;
  transition: background-color 0.3s ease, color 0.3s ease;
  border-radius: 4px;
}

.nav-list a:hover {
  background-color: #0074cc;
  color: #f1f1f1;
}


.lang-btn {
  color: #ffffff;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: bold;
  padding: 16px 24px;
  border-radius: 4px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.lang-btn:hover {
  background-color: white;
  color: #002f5f;

}

/* حالت اولیه: نوبار شفاف و بلند */
#navbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: 80px;
  background-color: transparent;
  background-image: none;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  font-family: 'IranSans', sans-serif;
  transition: all 0.4s ease;
}

/* حالت اسکرول: نوبار نازک‌تر با بک‌گراند رنگی */
#navbar.scrolled {
  height: 60px;
  background-color: rgba(0, 47, 95, 0.95);
  background-image: url('{% static "images/navbar-bg.jpg" %}');
  background-size: cover;
  background-position: center;
}