/*================ Navbar =================*/
.navbar {
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
  border-bottom: 1px solid var(--white-color);
}

.navbar-sticky-wrapper {
  position: sticky;
  top: 0;
  z-index: 999;
}

.navbar-color { 
  background-color: var(--black-color);
}

.navbar-brand {
  color: var(--white-color);
  padding-left: 20px;
  font-weight: bold;
  transition: color 0.3s ease;
}
.navbar-brand:hover {
  color: var(--primary-color);
}

.navbar-logo {
  width: clamp(30px, 4vw, 48px);
  height: auto;
  margin-left: clamp(12px, 4vw, 50px);
}

.navbar-title {
  margin-left: 15px;
}

.navbar-font {
  font-size: clamp(14px, 1.6vw, 18px);
  font-weight: bold;
}

.navbar .nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--white-color);
  text-decoration: none;
  transition: color .25s ease;
}
.navbar .nav-link .nav-text {
  position: relative;
  display: inline-block;
}
.navbar .nav-link .nav-text::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 4px;
  background: var(--primary-color);
}
.navbar .nav-link:hover {
  color: var(--primary-color);
}
.navbar .nav-link.active {
  color: var(--primary-color);
}

.navbar .nav-link:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 4px;
}

.navbar-nav {
  display: flex;
  justify-content: center;
  gap: clamp(12px, 4vw, 30px);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='white' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

@keyframes underline-in { from { width:0; } to { width:100%; } }

.navbar .nav-link .nav-text::after {
  transition: width .3s ease;
}
.navbar .nav-link.active .nav-text::after {
  width: 100%;
}

.navbar .nav-link .nav-icon-img{
  width: 24px;
  object-fit: contain;
  margin-left: 8px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity .25s ease, transform .25s ease;
}
.navbar .nav-link:hover .nav-icon-img{
  opacity: 1;
  transform: translateX(0);
}
.navbar .nav-link.active .nav-icon-img{
  opacity: 1;
  transform: translateX(0);    
}

/*================= CSS For Footer Start ===============*/
.footer-color {
  width: 100%;
  background-color: transparent;
  color: var(--white-color);
}

.footer-inner {
  padding: 20px 0;
}

.footer-area {
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 20px;
  padding-right: 20px;
}

.footer-area .list-team {
  padding-left: 0;
  margin-left: 0;
}

.footer-area .list-team li { 
  margin-bottom: 5px;
}

.footer-area a {
  color: var(--white-color);
  text-decoration: none;
  transition: color 0.25s ease;
}

.footer-area a:hover {
  color: rgb(22, 113, 167);
}

.footer-logo {
  display: block;
  margin-bottom: 15px;
}

ul.list-team { 
  list-style-type: none;
}

.footer-main-text {
  margin-bottom: 2px !important;
}

.footer-title-mm {
  margin-top: 50px;
}

.footer-sub-text {
  margin-top: 0 !important;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.footer-col {
  border-right: 1px solid rgba(255, 255, 255, 0.25);
}

.footer-bottom {
  margin-top: 48px;
  padding: 32px 16px 24px;
  text-align: center;
  position: relative;
}

.footer-bottom::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    rgb(255, 255, 255),
    transparent
  );
}

.footer-copy {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
}

.footer-map {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #000;
}

.footer-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

@media (max-width: 1024px) {
  .footer-map {
    aspect-ratio: 4 / 3;
  }
}

/*================= CSS For Scrollbar ===============*/
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--black-color);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(
    180deg,
    #4d9e8f,
    #367767,
    #1a5044
  );
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: repeating-linear-gradient(
    180deg,
    #b9f7e6,
    #9ff0d8,
    #7fd1b9
  );
}

/* Firefox */
@-moz-document url-prefix() {
  html {
    scrollbar-width: thin;
    scrollbar-color: #7fd1b9 var(--black-color);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform; /* ช่วย performance */
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}