/* font */
.titillium-web-extralight {
  font-family: "Titillium Web", serif;
  font-weight: 200;
  font-style: normal;
}

.titillium-web-light {
  font-family: "Titillium Web", serif;
  font-weight: 300;
  font-style: normal;
}

.titillium-web-regular {
  font-family: "Titillium Web", serif;
  font-weight: 400;
  font-style: normal;
}

.titillium-web-semibold {
  font-family: "Titillium Web", serif;
  font-weight: 600;
  font-style: normal;
}

.titillium-web-bold {
  font-family: "Titillium Web", serif;
  font-weight: 700;
  font-style: normal;
}

.titillium-web-black {
  font-family: "Titillium Web", serif;
  font-weight: 900;
  font-style: normal;
}

.titillium-web-extralight-italic {
  font-family: "Titillium Web", serif;
  font-weight: 200;
  font-style: italic;
}

.titillium-web-light-italic {
  font-family: "Titillium Web", serif;
  font-weight: 300;
  font-style: italic;
}

.titillium-web-regular-italic {
  font-family: "Titillium Web", serif;
  font-weight: 400;
  font-style: italic;
}

.titillium-web-semibold-italic {
  font-family: "Titillium Web", serif;
  font-weight: 600;
  font-style: italic;
}

.titillium-web-bold-italic {
  font-family: "Titillium Web", serif;
  font-weight: 700;
  font-style: italic;
}

html,
body {
  height: 100%;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

#header {
  width: 100%;
  background: white;
  position: sticky !important;
  top: 0;
  left: 0;
  z-index: 999;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease-in-out; /* Thêm hiệu ứng mượt mà */
}

#header.sticky-top {
  width: 100%;
  background: white;
  position: sticky;
  top: 0;
  z-index: 1020;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease-in-out;
}

/* Setup chung */
section {
  flex: 1 0 auto; /* Phần nội dung chính sẽ mở rộng để lấp đầy không gian */
}

/* Header Top */
.header-top {
  background: #f2f2f2;
  padding: 8px 20px;
  text-align: right;
  font-size: 14px;
}

.header-top a {
  color: #333;
  text-decoration: none;
}

.header-top a:hover {
  color: #0066ff;
}

/* Logo chính giữa */
.header-main {
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url("https://res.cloudinary.com/di33kl2zd/image/upload/v1751987472/LogoWBack_ywofec.jpg");
  background-size: cover;
  background-position: top;
  background-repeat: no-repeat;
  width: 100%;
  min-height: 40vh;
  position: relative;
}

.logo-container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 10px;
  background-color: white;
  border-radius: 20px 20px;
}

.logo {
  height: 120px;
}

.dropdown-menu a {
  color: black !important; /* Giữ nguyên màu */
  font-weight: normal !important; /* Không tô đậm */
}

.dropdown-menu a:hover {
  background-color: transparent !important; /* Không đổi màu nền */
  color: black !important; /* Không đổi màu chữ */
}

/* Menu chính giữa */
.navbar-container {
  display: flex;
  justify-content: center; /* Căn giữa navbar */
  align-items: center; /* Căn giữa theo chiều dọc */
  width: 100%;
  padding: 10px;
}

#navbar {
  display: flex;
  justify-content: center; /* Căn giữa nội dung */
  align-items: center;
  width: 100%;
  padding: 0;
  list-style: none;
  flex-wrap: wrap;
  text-align: center;
}

#navbar li {
  position: relative;
  padding: 10px;
}
#navbar a {
  text-decoration: none;
  color: black;
  padding: 10px 15px;
  display: block;
  font-size: 18px;
  font-weight: bold;
  transition: color 0.3s;
  font-family: "Titillium Web", sans-serif;
  text-align: center;
}

.navbar-nav {
  width: 100%;
  display: flex;
  justify-content: center; /* Đảm bảo các mục được căn giữa */
}

#navbar .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  min-width: 200px;
  box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 10;
  text-align: center;
}

#navbar .dropdown-menu li {
  padding: 10px;
}

#navbar .dropdown-menu a {
  color: black;
}

#navbar .dropdown:hover .dropdown-menu {
  display: block;
}

#navbar li a {
  text-decoration: none;
  font-size: 18px;
  font-weight: bold;
  padding: 10px 15px;
  color: black;
  transition: color 0.3s;
  font-family: "Titillium+Web", sans-serif;
}

.nav-item.dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu {
  display: none;
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.dropdown-menu.show {
  display: block;
  opacity: 1;
}

.navbar-nav .nav-item {
  padding: 5px;
}

.navbar-toggler {
  border: none;
}

footer {
  flex-shrink: 0;
  width: 100%;
}

@media (max-width: 992px) {
  footer {
    z-index: 1000;
  }

  .navbar-collapse {
    text-align: center;
  }
}

@media (max-width: 576px) {
  footer img {
    max-width: 80px;
  }
}

.fixed-img {
  height: 200px;
  object-fit: cover;
  width: 100%;
}

@media (max-width: 575.98px) {
  body {
    overflow-x: hidden;
  }
}