/* ===============================
   فونت و ساختار پایه
================================= */
body {
  font-family: 'IRANSans', Tahoma, sans-serif;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

.custom-header {
  background: #fff;
  padding: 15px 0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: relative;
  z-index: 9999;
}

.custom-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo img {
  max-height: 60px;
  transition: transform 0.3s;
}

.logo img:hover { transform: scale(1.05); }

.main-nav { position: relative; }

.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 40px;
}

.main-nav ul li a {
  text-decoration: none;
  color: #333;
  font-weight: 600;
  transition: color 0.3s;
  display: block;
  padding: 10px 0;
  position: relative;
}

.main-nav ul li a:hover { color: #FF4081; }

/* ===============================
   زیرمنو دسکتاپ
================================= */
.menu-item-has-children { position: relative; }

.sub-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: linear-gradient(135deg, #FFF5F7 0%, #FFEFF2 100%);
  min-width: 220px;
  box-shadow: 0 5px 20px rgba(255, 107, 129, 0.15);
  border-radius: 10px;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 999;
  list-style: none;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid rgba(255, 107, 129, 0.1);
  will-change: opacity, transform;
}

.sub-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  right: 25px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid #FFF5F7;
}

.menu-item-has-children:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sub-menu li {
  border-bottom: 1px solid rgba(255, 182, 193, 0.2);
  padding: 0;
  margin: 0;
  width: 100%;
  transition: all 0.2s ease;
}

.sub-menu li:hover { background-color: rgba(255, 255, 255, 0.5); }
.sub-menu li:last-child { border-bottom: none; }

.sub-menu li a {
  display: block;
  padding: 14px 20px;
  color: #8B5D6E;
  font-weight: 500;
  transition: all 0.3s;
  text-align: right;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.sub-menu li a::before {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background-color: #FF6B81;
  border-radius: 50%;
  opacity: 0;
  transition: all 0.3s ease;
}

.sub-menu li a:hover {
  background-color: rgba(255, 255, 255, 0.8);
  color: #D81B60;
  padding-right: 30px;
  font-weight: 600;
}

.sub-menu li a:hover::before {
  opacity: 1;
  right: 15px;
}

/* ===============================
   همبرگر
================================= */
.hamburger { 
  display: none; 
  cursor: pointer; 
  font-size: 28px; 
  color: #333;
  padding: 5px;
}

/* ===============================
   موبایل
================================= */
@media(max-width: 768px) {
  .custom-header .container { padding: 0 15px; }
  
  .main-nav ul {
    display: none;
    flex-direction: column;
    background: #fff;
    position: fixed;
    top: 20px;
    right: 20px;
    width: 280px;
    max-height: 70vh;
    overflow-y: auto;
    box-shadow: 0 5px 25px rgba(0,0,0,0.2);
    border-radius: 10px;
    padding: 15px 0;
    gap: 0;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1000;
  }

  .main-nav ul.active { display: flex; transform: translateX(0); }

  .main-nav ul li { border-bottom: 1px solid #eee; text-align: right; margin: 0; }

  .main-nav ul li a {
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    font-size: 15px;
  }

  .menu-item-has-children > a::after {
    content: '+';
    position: absolute;
    left: 20px;
    font-size: 18px;
    font-weight: normal;
    color: #666;
    transition: all 0.3s ease;
  }

  .menu-item-has-children > a.active::after {
    content: '−';
    font-size: 20px;
    color: #FF4081;
  }

  /* زیرمنوی موبایل */
  .sub-menu {
    position: static;
    width: calc(100% - 40px);
    box-shadow: 0 5px 20px rgba(255, 107, 129, 0.15);
    border-radius: 8px;
    padding: 8px 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4,0,0.2,1);
    display: block;
    margin: 5px 20px 10px 20px;
    border: 1px solid rgba(255, 107, 129, 0.1);
  }

  .sub-menu.active { max-height: 300px; overflow-y: auto; }
  .sub-menu::before { display: none; }

  .sub-menu li a { padding: 10px 25px; color: #8B5D6E; font-size: 14px; white-space: normal; }
  .sub-menu li a:hover { padding-right: 30px; background-color: rgba(255,255,255,0.8); color: #D81B60; }

  .hamburger { display: block; z-index: 1001; position: relative; }

  /* بک‌دراپ موبایل */
  .main-nav::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
  }

  .main-nav.active::before { opacity: 1; visibility: visible; }
}
/* فاصله آیتم‌های زیرمنو – دسکتاپ (قطعی) */
@media (min-width: 769px) {
  header ul.sub-menu {
    gap: 6px !important;
  }
}