/*loading overlay*/
#loading-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 1);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.8s ease;
}

#loading-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

/* Thanh dọc cố định */
.scroll-bar-vertical {
    position: fixed;      /* luôn cố định */
    right: 10px;          /* đặt bên phải màn hình */
    bottom: -6%;
    transform: translateY(-50%);
    width: 2px;           /* độ rộng */
    height: 120px;        /* chiều cao */
    background: #888;     /* màu xám */
    border-radius: 3px;
    overflow: hidden;
    z-index: 2;
}

/* Đoạn trắng chạy dọc */
.scroll-indicator-vertical {
    position: absolute;
    width: 100%;
    height: 30px;          /* chiều cao đoạn chạy */
    background: #fff;      /* màu trắng */

    animation: runVertical 1.8s linear infinite;
}

/* Animation chạy từ trên xuống dưới */
@keyframes runVertical {
    0% {
        top: -40px;      /* bắt đầu nằm ngoài thanh */
    }
    100% {
        top: 100%;       /* chạy xuống dưới hoàn toàn */
    }
}

/* =========================================
   HEADER
========================================= */
h3.presentation-title {
    font-size: 5em;
}

@media (max-width: 768px) {
    h3.presentation-title {
        font-size: 3em;
    }
}

@media (max-width: 576px) {
    h3.presentation-title {
        font-size: 1.5em;
    }
}


/* =========================================
   NAVBAR – PHẦN CHUNG
========================================= */
.navbar-custom {
    position: fixed;
    z-index: 2000;
    overflow: visible !important;
}
.navbar .navbar-sns-icon {
    color: #ffffff !important;
    font-size: 33px;
    padding: 0 25px 0 0;
}
.navbar .navbar-sns-icon:hover {
    opacity: 0.5;
}
/* Khi navbar trong suốt → màu trắng */
.navbar.navbar-custom.navbar-transparent .navbar-sns-icon {
    color: #fff !important;
}
/* Khi scroll → navbar mất .navbar-transparent → đổi màu */
.navbar.navbar-custom:not(.navbar-transparent) .navbar-sns-icon {
    color: #66615B !important;
}

/* =========================================
   NAVBAR TOGGLER BUTTON
========================================= */

/* Base button */
.navbar-custom .navbar-toggler {
    position: relative;
    width: 36px;
    height: 26px;
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
}

/* NEW BAR CLASS */
.navbar-custom .toggler-line {
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
    background: #fff;
    border-radius: 3px;
    transition:
        transform 0.35s cubic-bezier(.25,.8,.25,1),
        opacity 0.25s ease,
        top 0.35s cubic-bezier(.25,.8,.25,1);
}

/* Positions */
.navbar-custom .line1 { top: 0; }
.navbar-custom .line2 { top: 11px; }
.navbar-custom .line3 { top: 22px; }

/* OPEN STATE – Hamburger → X */
.navbar-custom .navbar-toggler.open .line1 {
    top: 11px;
    transform: rotate(45deg);
}

.navbar-custom .line2 {
    transform-origin: right;
}

.navbar-custom .navbar-toggler.open .line2 {
    transform: scaleX(0);
}

.navbar-custom .navbar-toggler.open .line3 {
    top: 11px;
    transform: rotate(-45deg);
}

/* Khi navbar trong suốt → màu trắng */
.navbar.navbar-custom.navbar-transparent .toggler-line {
    background: #fff !important;
}

/* Khi scroll → navbar mất .navbar-transparent → đổi màu */
.navbar.navbar-custom:not(.navbar-transparent) .toggler-line {
    background: #66615B !important;
}

/* =========================================
   NAVBAR COLLAPSE (Bootstrap)
========================================= */

/* Cho phép collapse hoạt động như mobile trên mọi màn hình */
.navbar-custom .navbar-collapse {
    display: none !important;
    width: 100%;
    background: rgba(0,0,0,0.8);
    padding: 15px;
    border-radius: 0 0 6px 6px;
}

.navbar-custom .navbar-collapse.show {
    display: block !important;
}

/* Desktop vẫn dùng layout mobile */
@media (min-width: 992px) {
    .navbar-custom .navbar-nav {
        flex-direction: column !important;
        width: 100%;
        text-align: right;
    }

    .navbar-custom .nav-item {
        margin: 10px 0;
    }
}

/* RESET Paper Kit trên mobile */
@media (max-width: 991px) {
    nav.navbar.navbar-custom .navbar-collapse {
        position: static !important;
        display: none !important;
        width: 100% !important;
        height: auto !important;
        top: auto !important;
        right: auto !important;
        background: none !important;
        border: none !important;
        transform: none !important;
        padding: 0 !important;
        overflow: visible !important;
    }

    nav.navbar.navbar-custom .navbar-collapse.show {
        display: block !important;
    }

    html.nav-open .navbar.navbar-custom > .container,
    html.nav-open .navbar.navbar-custom .navbar-translate {
        transform: none !important;
    }
}

/* =========================================
   CUSTOM COLLAPSE (Hiệu ứng blur + slide)
========================================= */

/* collapse mặc định ẩn */
.custom-collapse {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transform: translateY(-20px) scale(0.98);
    transition:
        max-height 0.45s cubic-bezier(.25,.8,.25,1),
        opacity 0.35s ease,
        transform 0.45s cubic-bezier(.25,.8,.25,1);
    z-index: -1 !important;
    border-radius: 12px 0 0 12px;
    box-shadow: 0 6px 10px -4px rgba(0, 0, 0, 0.15);
}

/* Khi navbar trong suốt → màu trắng */
.navbar.navbar-custom.navbar-transparent .custom-collapse {
    background: rgba(0,0,0,0);
    /*backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);*/
}
.navbar.navbar-custom.navbar-transparent .custom-collapse .navbar-nav .nav-item .nav-link{
    color: #ffffff !important;
}

/* Khi scroll → navbar mất .navbar-transparent → đổi màu */
.navbar.navbar-custom:not(.navbar-transparent) .custom-collapse {
    background: rgba(255,255,255,1);
}
.navbar.navbar-custom:not(.navbar-transparent) .custom-collapse .nav-item .nav-link{
    color: #000000 !important;
}
.navbar.navbar-custom:not(.navbar-transparent) .custom-collapse .nav-item .nav-link:hover{
    color: #66615B !important;
}

/* Mở */
.custom-collapse.show {
    max-height: 600px;
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Nội dung nav */
.custom-collapse .navbar-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    padding: 18px 18px;

    /* hiệu ứng khắc phục flash */
    opacity: 0;
    transform: translateY(-8px);
    transition:
        opacity 0.3s ease 0.1s,
        transform 0.3s ease 0.1s;
}

/* Khi mở */
.custom-collapse.show .navbar-nav {
    opacity: 1;
    transform: translateY(0);
}

.custom-collapse .nav-item {
    width: 100%;
    text-align: right;
}

@media (max-width: 991px) {
    .navbar.navbar-custom .navbar-collapse,
    .navbar.navbar-custom .navbar-collapse.show {
        position: static !important;
        transform: none !important;
        height: auto !important;
        width: 100% !important;
        background: none !important;
        overflow: visible !important;
        padding: 0 !important;
        border: none !important;
        display: none !important;
    }
}

.custom-collapse .swap-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: inherit;
}

.custom-collapse .text-original {
  transition: opacity .25s ease;
  display: inline-block;
}

.custom-collapse .text-hover {
  position: absolute;
  line-height: inherit;
  white-space: nowrap;
  opacity: 0;
  transition: opacity .25s ease;
}

/* Hover */
.custom-collapse  .hover-swap:hover .text-original {
  opacity: 0;
}
.custom-collapse .hover-swap:hover .text-hover {
  opacity: 1;
}



/*Home Header Image - Video*/
#video_background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh; /* quan trọng: dùng height */
    overflow: hidden;
    z-index: 1;
    background-position: center center;
    background-size: cover;
}

/* VIDEO COVER MÀN HÌNH (CHUẨN NHẤT CHO YOUTUBE) */
#video_background iframe {
    position: absolute;
    pointer-events: none;
    top: 0;
    left: 0;
}
/* Overlay ban đầu phủ toàn bộ video */
#video_overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    background: rgba(0,0,0,1); /* đen 100% để che loading */
    pointer-events: none;

    animation: overlayFade 2s ease-out forwards;
}

/* Animation mờ dần */
@keyframes overlayFade {
    0% {
        opacity: 1;      /* bắt đầu đen hoàn toàn */
    }
    100% {
        opacity: 0;      /* biến mất hoàn toàn */
    }
}

.title-brand-cus{
    max-width: 730px;
    position: relative;
    color: #FFFFFF;
    display: block;
}
/* NEWS ITEM */
.news-item {
    padding: 18px 10px;
    color: white;
    position: relative;
}

.news-item::after {
    content: "";
    position: absolute;
    left: 10px;
    bottom: 0;
    width: 90%;
    height: 1px;
    background: rgba(255,255,255,0.6);
}

.news-badge {
    display: inline-block;
    padding: 2px 8px;
}
.news-badge img{
    width: 28px;
}
.news-box {
    padding: 2px 8px;
}

.news-date {
    font-weight: bold;
    font-size: 1rem;
}

.news-title {
    font-size: 1rem;
    line-height: 1.4;
}
.news-content {
    font-size: 1rem;
    line-height: 1.4;
}

/* Swiper slides auto height */
.newsSwiper .swiper-slide {
    height: auto !important;
}

/* Spacing khi desktop 3 slide */
@media (min-width: 768px) {
    .newsSwiper .swiper-slide {
        padding-right: 10px;
    }
}

@media (max-width: 576px) {
    .news-date {
    font-size: 0.7rem;
    }

    .news-title {
        font-size: 0.8rem;
    }
    .news-content {
        font-size: 0.8rem;
    }
}

/* Ẩn pagination */
.swiper-pagination {
    display: none !important;
}

/* Nút Prev / Next */
.swiper-button-prev,
.swiper-button-next {
    position: relative !important;
    display: inline-flex !important;
    justify-content: center !important;
    align-items: center !important;
    width: 28px !important;
    height: 28px !important;
    color: #fff !important;
    margin-top: 0 !important;
    /*border: 1px solid rgba(255,255,255,0.6);
    border-radius: 50%;
    backdrop-filter: blur(4px);*/
}

.swiper-button-prev:after,
.swiper-button-next:after {
    font-size: 18px !important;
    font-weight: bold !important;
}

/* Đặt prev/next xuống dưới */
.news-nav {
    display: flex;
    /*justify-content: space-between;*/
    gap: 22px;
    margin-top: 12px;
}

/*** Style Company ***/
.bg-light-cus {
    background-color: #f5f5f5 !important;
}
#profile-content .text-title{
    font-size: 1.2rem;
    font-weight: bold;
}
#profile-content #contents .text-company-profile{
    font-size: 1.8rem;
    font-weight: bold;
}
#profile-content #main_contents #profile-image{
    max-height: 800px !important;
}
#profile-content #main_contents #profile-text{
    font-size: 1.1rem;
    white-space: break-spaces;
}

#profile-content .table td, .table th {
      vertical-align: top;
}
#profile-content .prewrap { word-break: break-word; }
  #profile-content .field-name {
      font-weight: 600;
      width: 200px;
      min-width: 160px;
}
/* Responsive: hiển thị block trên màn hình nhỏ (nếu muốn) */
@media (max-width: 575.98px) {
    #profile-content .field-name { width: 10%; }
}

/* =========================================================
PROJECT PAGE
========================================================= */
#projects_content .page-title {
    text-align: center;
    margin: 60px 0 40px;
}

#projects_content .page-title h1 {
    font-weight: 700;
    letter-spacing: 2px;
}

#projects_content .page-title small {
    display: block;
    font-size: 18px;
    color: #555;
}


/* =========================================================
   2. SECTION
========================================================= */
#projects_content .section-title {
    font-weight: 700;
    font-size: 20px;
    color: #1f2a44;
    padding-bottom: 10px;
    border-bottom: 2px solid #333;
    margin-bottom: 30px;
}


/* =========================================================
   3. DESKTOP TABLE LAYOUT
========================================================= */
#projects_content .project-header {
    font-weight: 600;
    color: #555;
}

#projects_content .project-row {
    padding: 15px 0;
    border-bottom: 1px solid #e0e0e0;
    align-items: center;
}


/* =========================================================
   4. IMAGE WRAP (HOVER + SKELETON)
========================================================= */
#projects_content .image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    border-radius: 4px;
    background: #eee;
}

/* skeleton shimmer */
#projects_content .image-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        #e5e5e5 25%,
        #f2f2f2 37%,
        #e5e5e5 63%
    );
    background-size: 400% 100%;
    animation: skeleton-loading 1.4s ease infinite;
    z-index: 1;
}

@keyframes skeleton-loading {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

/* remove skeleton when loaded */
#projects_content .image-wrap.loaded::before {
    display: none;
}

/* image */
#projects_content .image-wrap img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.4s ease;
    position: relative;
    z-index: 2;
}
#projects_content .image-wrap img[src$="/null"],
#projects_content .image-wrap img[src=""] {
    display: none;
}

/* loaded image */
#projects_content .image-wrap.loaded img {
    opacity: 1;
}

/* hover zoom */
#projects_content .image-wrap:hover img {
    transform: scale(1.08);
}

/* hover overlay */
#projects_content .image-wrap::after {
    content: "拡大";
    position: absolute;
    inset: 0;
    background: rgba(31,42,68,0.55);
    color: #fff;
    font-size: 14px;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: 0.3s;
    z-index: 3;
}

#projects_content .image-wrap:hover::after {
    opacity: 1;
}


/* =========================================================
   5. MOBILE CARD
========================================================= */
/* MOBILE PROJECT CARD */
#projects_content .project-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
    width: 100%;
    height: 220px;
    background: #eaeaea;
}

/* IMAGE FULL CARD */
#projects_content .project-card .image-wrap {
    position: absolute;
    inset: 0;
    aspect-ratio: unset;
}

#projects_content .project-card .image-wrap::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45); 
    z-index: 2;
    opacity: 1;
}

#projects_content .project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* DARK OVERLAY (để chữ dễ đọc) */
#projects_content .project-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(0,0,0,0.55),
        rgba(0,0,0,0.15),
        rgba(0,0,0,0)
    );
    z-index: 1;
}

/* TEXT OVER IMAGE */
#projects_content .project-card .project-text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;

    padding: 12px 14px;
    z-index: 3;

    color: #fff;
}

#projects_content .project-card .project-text p {
    margin: 0 0 4px;
    font-size: 0.8rem;
    line-height: 1.4;
}

#projects_content .project-card .project-text strong {
    font-weight: 600;
}


/* =========================================================
   6. SWIPER (MOBILE ONLY)
========================================================= */
#projects_content .swiper-container {
    padding-bottom: 20px;
}
/* ===== SWIPER NAVIGATION ===== */
#projects_content .project-prev,
#projects_content .project-next {
    color: #1f2a44 !important;
    width: 32px !important;
    height: 32px !important;
}

#projects_content .project-prev::after,
#projects_content .project-next::after {
    font-size: 16px;
    font-weight: bold;
}

#projects_content .project-prev {
    left: 0;
}

#projects_content .project-next {
    right: 0;
}


/* =========================================================
   7. FOOTER TEXT
========================================================= */
#projects_content .note {
    text-align: right;
    font-size: 13px;
    color: #666;
    margin-top: 10px;
}

#projects_content .bottom-text {
    margin: 60px 0 40px;
    font-size: 14px;
    line-height: 1.8;
    text-align: center;
    border-top: 3px double #333;
    padding-top: 30px;
}