:root {
    --c-primary: #00A762;
    --c-primary-dark: #047c4a;
    --c-accent: #F28423;
    --c-accent-dark: #d86705;
    --c-text: #1f2733;
    --c-muted: #6b7280;
    --c-border: #e5e8ef;
    --c-bg: #ffffff;
    --c-bg-soft: #f4f7fb;
    --c-dark: #121826;
    --c-header: #00A762;
    --c-footer: #00A762;
    --font-base: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --container-max: 1280px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 8px 28px rgba(20, 35, 70, .08);
    --header-h: 76px;
    --section-pad: 50px;
}

/* ------------------------- 2. Reset / base ------------------------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--c-text);
    background: var(--c-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

    img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--c-primary-dark); }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, h5 { margin: 0 0 .5em; font-weight: 700; line-height: 1.25; color: var(--c-dark); }
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
p { margin: 0 0 1rem; }

:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }

.container { max-width: var(--container-max); margin-inline: auto; padding-inline: 15px; }

.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1030;
    background: transparent;
    transition: background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.scrolled {
    background: var(--c-primary-dark);
    box-shadow: 0 6px 22px rgba(0, 30, 18, .18);
}
body:not(.has-hero) main { padding-top: 118px; }

.site-header > .container { max-width: 1640px; padding-inline: 32px; }
.header-inner {display: flex;align-items: center;gap: 28px;min-height: 92px;padding-top: 10px;padding-bottom: 10px;}

.header-brand { display: flex; align-items: center; gap: 12px; min-width: 0; flex-shrink: 0; }
.header-brand .navbar-brand { display: inline-flex; align-items: center; }
.header-brand .navbar-brand img {height: 88px;width: auto;}
.brand-name {
    font-weight: 800;
    font-size: .92rem;
    line-height: 1.22;
    letter-spacing: .2px;
    color: #fff;
    text-transform: uppercase;
    max-width: 300px;
    /* text-shadow: 0 1px 6px rgba(0,0,0,.35); */
}
.brand-name:hover { color: #fff; opacity: .9; }

.header-right {flex: 1 1 auto;min-width: 0;display: flex;flex-direction: column;align-items: stretch;gap: 7px;}

.header-utility {display: flex;align-items: center;justify-content: space-between;gap: 22px;}
.utility-link {color: #fff;font-weight: 600;font-size: .9rem;white-space: nowrap;/* text-shadow: 0 1px 6px rgba(0,0,0,.35); */margin-left: 20px;}
.utility-link i { margin-right: 5px; opacity: .9; }
.utility-link:hover { color: var(--c-accent); }

.utility-hotline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
    color: #fff;
    padding: 9px 18px;
    border-radius: 5px;
    /* box-shadow: 0 6px 16px rgba(242,132,35,.4); */
    margin-left: 20px;
}
.utility-hotline:hover { color: #fff; filter: brightness(1.05); }
.utility-hotline i {font-size: 14px;/* display: none; */}
.utility-hotline span {display: flex;line-height: 1.1;align-items: center;gap: 3px;}
.utility-hotline small {/* font-size: .66rem; *//* opacity: .92; */text-transform: uppercase;letter-spacing: .5px;}
.utility-hotline strong {font-size: 14px;font-weight: 600;}
.header-nav { display: flex; align-items: center; }
.mobile-menu-btn {
    display: none; align-items: center; border: 0; background: transparent;
    color: #fff; font-size: 1.6rem; line-height: 1; padding: 4px 0; cursor: pointer;
}
.offcanvas-title{width: 90%;}
.offcanvas-title a{text-align: center;}
.main-nav-tree {display: flex;align-items: center;flex-wrap: wrap;justify-content: space-around;width: 100%;}
.main-nav-tree > .menu-item { position: relative; }
.main-nav-tree > .menu-item > a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 8px;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    white-space: nowrap;
    /* text-shadow: 0 1px 6px rgba(0,0,0,.35); */
}

.main-nav-tree > .menu-item > a:hover,
.main-nav-tree > .menu-item.is-active > a { color: var(--c-accent); }
.main-nav-tree > .home-item > a { font-size: 1.02rem; }
/* Header chỉ 1 cấp (BuildMenuNodesHtml maxDepth=1) -> ẩn chevron phòng khi có .has-children */
.main-nav-tree .has-children > a::after {
    content: "\f107"; font-family: "Font Awesome 6 Free"; font-weight: 900;
    font-size: .72rem; opacity: .85; margin-left: 1px;
    display: none;
}
.main-nav-tree li:last-child{
    display: none;
}
/* Không dùng menu cấp 2 ở header (desktop lẫn mobile). Class này chỉ còn do footer sinh ra. */
.submenu {
    display: none;
    position: absolute; top: 100%; left: 0; min-width: 220px;
    background: #fff; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    box-shadow: var(--shadow); padding: 8px 0; z-index: 20;
    opacity: 0; visibility: hidden; transform: translateY(8px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
    border-top: 3px solid var(--c-accent);
}
.submenu .menu-item > a {
    display: block; padding: 10px 20px; color: var(--c-text); font-weight: 500;
    font-size: .9rem; text-transform: none; text-shadow: none; white-space: nowrap;
}
.submenu .menu-item > a:hover { background: var(--c-bg-soft); color: var(--c-primary-dark); }

.hero { position: relative; }
.hero-swiper {width: 100%;}
.hero-slide { position: relative; overflow: hidden; }
.hero:before{/* content:""; */position: absolute;top: 0;left: 0;width: 100%;height: 100%;background-color: #000;z-index: 10;opacity: 0.3;}
.hero-slide-img {width: 100%;object-fit: cover;}

.hero-caption {position: absolute;inset: 0;display: flex;align-items: center;pointer-events: none;}
.hero-caption::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgb(29 34 32 / 78%) 0%, rgba(6, 40, 26, .45) 42%, rgba(6, 40, 26, 0) 70%);
}
.hero-caption .container {position: relative;max-width: 1640px;}
.hero-caption-inner {
    position: relative;
    max-width: 520px;
    color: #fff;
    pointer-events: auto;
    animation: heroFadeUp .7s ease both;
    margin-top: 100px;
}
.hero-caption-title {color: #fff;font-size: clamp(1.6rem, 3.2vw, 2.6rem);margin-bottom: .5em;text-shadow: 0 2px 12px rgba(0,0,0,.35);display: none;}
.hero-caption-desc { font-size: clamp(.95rem, 1.4vw, 1.1rem); line-height: 1.7; margin-bottom: 1.4em; text-shadow: 0 1px 8px rgba(0,0,0,.35); }
.hero-caption-desc h2{color: #fff;text-transform: uppercase;font-weight: 700;}
.hero-caption-desc p:last-child { margin-bottom: 0; }
.hero-caption-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    pointer-events: auto;   /* .hero-caption đặt pointer-events:none -> bật lại cho nút bấm được */
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
    color: #fff;
    font-weight: 600;
    padding: 10px 30px;
    border-radius: 10px;
    transition: transform .2s ease, filter .2s ease;
}
.hero-caption-btn:hover {color: #fff;transform: translateY(-2px);filter: brightness(1.05);background: var(--c-primary);}

@keyframes heroFadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }

.hero-swiper .swiper-button-prev,
.hero-swiper .swiper-button-next {
    width: 46px; height: 46px; border-radius: 50%; background: rgba(255,255,255,.85); color: var(--c-primary-dark);
    box-shadow: 0 4px 14px rgba(0,0,0,.18); transition: background .2s ease, color .2s ease;
}
.hero-swiper .swiper-button-prev:hover,
.hero-swiper .swiper-button-next:hover { background: var(--c-accent); color: #fff; }
.hero-swiper .swiper-button-prev::after,
.hero-swiper .swiper-button-next::after { font-size: 1.1rem; font-weight: 700; }
.hero-swiper .swiper-pagination-bullet { background: #fff; opacity: .6; width: 10px; height: 10px; }
.hero-swiper .swiper-pagination-bullet-active { background: var(--c-accent); opacity: 1; width: 26px; border-radius: 6px; }

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.orbit-menu {
    background: url('/Frontend/Assets/images/bg-menu.jpg') center center / cover no-repeat;
    padding: 70px 0 0;
}

.orbit {
    --size: min(960px, 92vw);
    --orbit-r: calc(var(--size) * 0.4);
    position: relative;
    width: var(--size);
    height: var(--size);
    margin: 0 auto;
}
.orbit-ring { position: absolute; inset: 0; }
.orbit-ring::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: calc(var(--orbit-r) * 1.4);
    height: calc(var(--orbit-r) * 1.4);
    transform: translate(-50%, -50%);
    border: none;
    border-radius: 50%;
    /* border: 3px solid #FF6700; */
    background: url(../images/vien-menu.svg) no-repeat center;
    background-size: cover;
}
.orbit-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40%;
    height: 40%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    padding: 30px;
}
.orbit-center:before{content:"";position: absolute;width: 100%;height: 100%;left: 0;top: 0;border-radius: 50%;background: linear-gradient(180deg, #FFF 0%, rgba(255, 255, 255, 0.00) 100%);}
.orbit-center-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    z-index: 1;
}
.orbit-center-logo img { width: 100%; height: auto; }

.orbit-item {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(var(--a)) translateY(calc(var(--orbit-r) * -1)) rotate(calc(var(--a) * -1));
    z-index: 2;
}
.orbit-item > a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 205px;
    text-align: center;
}
.orbit-ic {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid rgba(242,132,35,.9);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0,0,0,.2);
    transition: all .25s ease, box-shadow .25s ease;
}
.orbit-ic img { width: 46px; height: 46px; object-fit: contain; }
.orbit-ic i { font-size: 34px; color: var(--c-primary); }
.orbit-label {
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    line-height: 1.25;
    text-transform: uppercase;
    text-shadow: 0 1px 6px rgba(0,0,0,.45);
    white-space: nowrap;
}
.orbit-item > a:hover .orbit-ic {transform: translateY(-4px) scale(1.06);box-shadow: 0 14px 26px rgba(0,0,0,.28);background-color: var(--c-accent);border-color: var(--c-primary);}
.orbit-item > a:hover .orbit-ic img{filter: brightness(0) invert(1);}
.orbit-item > a:hover .orbit-label { color: var(--c-accent); }

.about {padding: 50px 0;background: var(--c-bg);}

.about-media {position: relative;border-radius: var(--radius);overflow: hidden;box-shadow: var(--shadow);padding-left: 15px;}
.about-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about-media::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    z-index: 2;
    background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
    border-radius: 0;
}

.about-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--c-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: .85rem;
    display: none;
}
.about-kicker::before {content: "";width: 28px;height: 2px;display: none;}

.about-name { margin: 0 0 10px; line-height: 1.14; }
.about-name-1 {display: block;font-size: clamp(1.05rem, 1.9vw, 1.4rem);font-weight: 400;color: #848484;text-transform: uppercase;margin-bottom: 10px;}
.about-name-2 { display: block; font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 800; color: var(--c-primary-dark); text-transform: uppercase; }

.about-slogan {color: var(--c-accent);font-style: italic;font-weight: 600;font-size: 24px;margin: 0 0 18px;}

.about-desc { color: var(--c-text); }
.about-desc p {margin: 0 0 1rem;line-height: 1.75;text-align: justify;}
.about-desc img {border-radius: var(--radius-sm);width: 100%;height: 193px;}
.about-desc .row { margin-top: 8px; align-items: center; }
.about-desc ul { list-style: none; padding: 0; margin: 0; }
.about-desc ul li {position: relative;padding-left: 30px;margin-bottom: 8px;color: var(--c-muted);font-size: 13px;line-height: 1.55;}
.about-desc ul li:last-child { margin-bottom: 0; }
.about-desc ul li strong {display: block;color: #444444;font-size: 14px;margin-bottom: 2px;font-weight: 700;}
.about-desc ul li::before {
    content: "\f192";
    font-family: "Font Awesome 6 Free";
    font-size: 18px;
    position: absolute;
    left: 0;
    top: 1px;
    width: 24px;
    height: 24px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    /* background: rgba(242, 132, 35, .14); */
}

.about-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; margin-top: 26px; }
.about-btn {
    display: inline-flex; align-items: center; gap: 10px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    color: #fff; font-weight: 700; padding: 12px 30px; border-radius: 8px;
    box-shadow: 0 8px 20px rgba(0, 167, 98, .3); transition: transform .2s ease, filter .2s ease;
}
.about-btn:hover {color: #fff;transform: translateY(-2px);filter: brightness(1.05);background: var(--c-accent);}
.about-hotline { display: inline-flex; align-items: center; gap: 12px; color: var(--c-text); }
.about-hotline:hover { color: var(--c-text); }
.about-hotline .ah-ic {
    width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0;
    background: rgba(242, 132, 35, .14); color: var(--c-accent);
    display: flex; align-items: center; justify-content: center; font-size: 1.15rem;
}
.about-hotline .ah-meta { display: flex; flex-direction: column; line-height: 1.2; }
.about-hotline .ah-meta small { color: var(--c-muted); font-size: .8rem; }
.about-hotline .ah-meta strong {color: var(--c-accent);font-size: 1.3rem;font-weight: 800;display: block;margin-top: 7px;}

.home-categories {padding: 8px 0 50px;background: var(--c-bg);}

.home-cat-card {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
    box-shadow: var(--shadow);
    aspect-ratio: 1 / 1.4;
    transition: transform .2s ease, filter .2s ease;
}
.home-cat-media { position: absolute; inset: 0; }
.home-cat-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }

.home-cat-band {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 42%;
    background: url('/Frontend/Assets/images/bg-danhmuc.svg') no-repeat bottom center;
    background-size: cover;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 10px;
    padding: 0 18px 9px;
}
.home-cat-label {
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: .3px;
    text-shadow: 0 1px 6px rgba(0,0,0,.25);
}
.home-cat-icon { flex-shrink: 0; }
.home-cat-icon img {width: 55px;height: 59px;object-fit: contain;filter: brightness(0) invert(1);object-position: bottom right;}

.home-cat-card:hover .home-cat-media img {transform: scale(1.06);}
.home-cat-card:hover {box-shadow: 0 16px 34px rgba(0,30,18,.22);transform: translateY(-15px);}
.projects {padding: 50px 0;background: var(--c-bg-soft);}

.section-head { margin-bottom: 20px; }
.section-title {
    display: inline-block;
    position: relative;
    color: var(--c-primary-dark);
    text-transform: uppercase;
    padding-bottom: 14px;
    font-size: 28px;
    font-weight: 700;
}
.section-title::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 5px;
    transform: translateX(-50%);
    width: 50%;
    height: 2px;
    border-radius: 3px;
    background: var(--c-accent);
}
.proj-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; border: 0; margin-bottom: 28px; }
.proj-tab {
    border: 1px solid var(--c-border);
    background: transparent;
    color: var(--c-text);
    font-weight: 600;
    font-size: .9rem;
    padding: 7px 25px;
    border-radius: 10px;
    cursor: pointer;
    transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.proj-tab:hover { border-color: var(--c-primary); color: var(--c-primary-dark); }
.proj-tab.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

.proj-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.proj-small-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.proj-card {
    position: relative;
    display: block;
    overflow: hidden;
    min-height: 250px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.proj-card-featured { min-height: 100%; }
.proj-card-img {position: absolute;inset: 0;width: 100%;height: 100%;object-fit: cover;transition: transform .5s ease;}
.proj-card::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.82) 0%, rgba(0,0,0,.3) 46%, rgba(0,0,0,0) 72%);
}
.proj-card-body { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 18px; color: #fff; }
.proj-badge {
    display: inline-block;
    background: var(--c-accent);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .3px;
    padding: 3px 12px;
    border-radius: 20px;
    margin-bottom: 10px;
    display: none;
}
.proj-card-title {color: #fff;font-size: 16px;line-height: 1.3;margin: 0;text-align: center;}
.proj-card-featured .proj-card-title { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
.proj-card-desc {color: rgba(255,255,255,.85);font-size: .85rem;line-height: 1.5;margin: 8px 0 0;/* display: none; */}
.proj-card-more {display: inline-flex;align-items: center;gap: 8px;margin-top: 14px;color: #fff;font-weight: 700;font-size: .92rem;display: none;}
.proj-card-more i { transition: transform .2s ease; }
.proj-card:hover .proj-card-img { transform: scale(1.05); }
.proj-card:hover .proj-card-more i { transform: translateX(4px); }
.proj-more-wrap {margin-top: 20px;}

/* ---------------------------------------------------------------------
   Hover -> khối chữ trượt từ đáy vào giữa ô, hiện nút "Xem chi tiết".
   Áp cho trang chủ (.projects) và các trang danh mục PostList (.post-grid:
   Công trình, Concept...). KHÔNG áp cho .proj-card ở trang "Tin tức và Liên hệ"
   (nằm trong .news-hub-block > .proj-grid) - ở đó nút vẫn ẩn theo rule gốc.
   --------------------------------------------------------------------- */
.projects .proj-card::after ,
.post-grid .proj-card::after { transition: background .35s ease; }
.projects .proj-card:hover::after ,
.post-grid .proj-card:hover::after { background: rgba(0,0,0,.55); }   /* nền tối đều để chữ ở giữa vẫn đọc được */

/* top + transform đều animate được -> trượt mượt từ đáy lên giữa.
   (justify-content/align-items không animate được nên không dùng.) */
.projects .proj-card-body ,
.post-grid .proj-card-body {
    bottom: auto;
    top: 100%;
    transform: translateY(-100%);
    text-align: left;
    transition: top .35s ease, transform .35s ease;
    text-align: center;
}
.projects .proj-card:hover .proj-card-body ,
.post-grid .proj-card:hover .proj-card-body {
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
}

/* Nút: ẩn mặc định (mờ + trượt nhẹ), hiện khi hover. Dùng opacity thay display để có transition. */
.projects .proj-card-more ,
.post-grid .proj-card-more {
    display: inline-flex;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
    background-color: var(--c-primary);
    padding: 7px 15px;
    border-radius: 10px;
    font-weight: 300;
}
.projects .proj-card:hover .proj-card-more ,
.post-grid .proj-card:hover .proj-card-more {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.btn-more-projects {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
    color: #fff;
    font-weight: 700;
    padding: 10px 30px;
    border-radius: 8px;
    /* box-shadow: 0 8px 20px rgba(242,132,35,.35); */
    transition: transform .2s ease, filter .2s ease;
}
.btn-more-projects:hover {color: #fff;transform: translateY(-2px);filter: brightness(1.05);background: var(--c-primary);}

.concepts {padding: 50px 0;background: var(--c-bg);}

.concepts-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 34px; margin-bottom: 30px; }
.section-title-left {padding-bottom: 0;margin: 0;}
.section-title-left::after {left: 0;transform: none;width: 150px;bottom: -10px;}
.concepts-intro { color: var(--c-muted); font-size: .95rem; line-height: 1.7; max-width: 620px; margin: 0; }

.concept-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.concept-card {
    position: relative; display: block; overflow: hidden; aspect-ratio: 4 / 3;
    border-radius: var(--radius); box-shadow: var(--shadow);
}
.concept-card-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.concept-card::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.5) 0%, rgba(0,0,0,0) 46%);
}
.concept-card:hover .concept-card-img { transform: scale(1.06); }
.concept-card-label {
    position: absolute;
    left: 20px;
    bottom: 16px;
    z-index: 2;
    color: #fff;
    font-weight: 800;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: .5px;
    text-shadow: 0 2px 8px rgba(0,0,0,.5);
    display: block;
    text-align: center;
    right: 20px;
}
.concept-card-label::before {
    content: "";
    display: none;
}

/* ---------------------------------------------------------------------
   Concept: hover -> nhãn + nút "Xem chi tiết" trượt từ đáy vào giữa ô.
   Áp cho trang chủ (.concepts) và trang danh mục Concept (.post-grid).
   --------------------------------------------------------------------- */
.concepts .concept-card::after ,
.post-grid .concept-card::after { transition: background .35s ease; }
.concepts .concept-card:hover::after ,
.post-grid .concept-card:hover::after { background: rgba(0,0,0,.55); }   /* phủ đều để chữ ở giữa vẫn đọc được */

/* top + transform đều animate được -> trượt mượt từ đáy lên giữa */
.concepts .concept-card-body ,
.post-grid .concept-card-body {
    position: absolute;
    left: 20px; right: 20px;
    top: 100%;
    transform: translateY(-100%);
    z-index: 2;
    padding-bottom: 16px;
    text-align: center;
    transition: top .35s ease, transform .35s ease, padding-bottom .35s ease;
}
.concepts .concept-card:hover .concept-card-body ,
.post-grid .concept-card:hover .concept-card-body {
    top: 50%;
    transform: translateY(-50%);
    padding-bottom: 0;
}

/* Nhãn nằm trong body -> bỏ định vị tuyệt đối cũ */
.concepts .concept-card-label ,
.post-grid .concept-card-label {
    position: static;
    left: auto; right: auto; bottom: auto;
}

/* Nút: ẩn mặc định (mờ + trượt nhẹ), hiện khi hover. Dùng opacity thay display để có transition. */
.concepts .concept-card-more ,
.post-grid .concept-card-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    color: var(--c-accent);
    font-weight: 700;
    font-size: .92rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.concepts .concept-card:hover .concept-card-more ,
.post-grid .concept-card:hover .concept-card-more {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.concepts .concept-card-more i ,
.post-grid .concept-card-more i { transition: transform .2s ease; }
.concepts .concept-card:hover .concept-card-more i ,
.post-grid .concept-card:hover .concept-card-more i { transform: translateX(4px); }

.concept-card-cta {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 15px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark));
    text-align: center;
    transition: all .2s ease;
}
.concept-card-cta:hover{background: var(--c-accent);}
.concept-card-cta::after { display: none; }
.concept-cta-text {color: #fff;font-weight: 600;text-transform: uppercase;line-height: 1.25;font-size: 20px;}
.concept-cta-ic {
    margin-top: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,.18);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    transition: background .2s ease, transform .2s ease;
    /* display: none; */
}
.concept-card-cta:hover .concept-cta-ic {background: var(--c-primary);transform: translateX(4px);display: block;line-height: 48px;}

.commit {background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));background: url(../images/bg-camket.jpg) no-repeat center;background-size: cover;padding-top: 30px;padding-bottom: 30px;}
.commit-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.commit-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #fff;
    padding: 30px 15px;
    position: relative;
}
.commit-item + .commit-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 26px;
    bottom: 26px;
    width: 1px;
    background: rgba(255,255,255,.28);
    display: none;
}
.commit-ic { flex-shrink: 0; font-size: 2rem; line-height: 1; color: #fff; }
.commit-ic img {width: 50px;height: 50px;object-fit: contain;filter: brightness(0) invert(1);}
.commit-body h3 {color: #fff;font-size: 19px;margin: 0 0 8px;font-weight: 700;}
.commit-body p { color: rgba(255,255,255,.92); font-size: .86rem; line-height: 1.5; margin: 0; }

.news {padding: 64px 0 15px;}
.news-head {display: flex;align-items: start;justify-content: space-between;gap: 20px;margin-bottom: 30px;position: relative;}
.news-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    color: #fff;
    font-weight: 400;
    font-size: .92rem;
    background-color: var(--c-accent);
    padding: 10px 30px;
    border-radius: 10px;
}
.news-more:hover {color: #fff;background: var(--c-primary);}

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
    border-radius: var(--radius);
    padding: 22px 00;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.news-meta { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 12px; font-size: .82rem; }
.news-date { color: var(--c-primary); font-weight: 600; }
.news-cat { color: var(--c-muted); }
.news-meta i {margin-right: 5px;opacity: .85;color: var(--c-accent);}
.news-card-title {font-size: 18px;line-height: 1.4;margin: 0 0 10px;font-weight: 700;overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-line-clamp: 2;-webkit-box-orient: vertical;}
.news-card-title a { color: var(--c-dark); }
.news-card-title a:hover { color: var(--c-primary-dark); }
.news-card-desc {color: var(--c-muted);font-size: .9rem;line-height: 1.6;margin: 0 0 18px;overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-line-clamp: 3;-webkit-box-orient: vertical;}
.news-card-media {display: block;overflow: hidden;border-radius: 20px;}
.news-card-media img {width: 100%;height: 300px;object-fit: cover;transition: transform .5s ease;border-radius: 20px;}
.news-card-media:hover img { transform: scale(1.05); }

.contact {
    position: relative; padding: 72px 0;
    background: url('/Frontend/Assets/images/bg-lienhe.jpg') center center / cover no-repeat fixed;
}
.contact-overlay {position: absolute;inset: 0;background: linear-gradient(90deg, rgb(69 70 70 / 85%) 0%, rgba(6, 40, 26, .55) 55%, rgba(6, 40, 26, .35) 100%);}
.contact .container { position: relative; z-index: 2; }

.contact-intro { color: #fff; }
.contact-title { color: #fff; text-transform: uppercase; font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 16px; }
.contact-desc { color: rgba(255,255,255,.9); font-size: 1rem; line-height: 1.75; margin: 0; }

.contact-form {background: rgb(255 255 255 / 32%);border-radius: var(--radius);padding: 50px 40px 30px;box-shadow: 0 18px 40px rgba(0,0,0,.25);}
.contact-field { position: relative; }
.contact-field > i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--c-accent);
    font-size: 20px;
    pointer-events: none;
}
.contact-field input,
.contact-field select {
    width: 100%; height: 50px; border: 1px solid var(--c-border); border-radius: 8px;
    padding: 0 16px 0 42px; font-family: inherit; font-size: .95rem; color: var(--c-text);
    background: #fff; transition: border-color .2s ease, box-shadow .2s ease;
    appearance: none; -webkit-appearance: none;
}
.contact-field select {
    cursor: pointer; padding-right: 38px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center;
}
.contact-field input::placeholder { color: var(--c-muted); }
.contact-field input:focus,
.contact-field select:focus { outline: 0; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(0,167,98,.14); }

.contact-submit {
    width: 300px;
    height: 50px;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark));
    color: #fff;
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 10px 24px rgba(242,132,35,.4);
    transition: transform .2s ease, filter .2s ease;
    margin: 0px auto;
    display: block;
    margin-top: 15px;
}
.contact-submit:hover {transform: translateY(-2px);filter: brightness(1.05);background: var(--c-primary);}
.contact-submit:disabled { opacity: .7; cursor: default; transform: none; }

.contact-msg { margin-top: 12px; font-size: .9rem; font-weight: 600; min-height: 1em; }
.contact-msg.is-ok { color: var(--c-primary-dark); }
.contact-msg.is-err { color: #d63b3b; }

.footer {
    position: relative; color: rgba(255,255,255,.82);
    background: #0c3a27 url('/Frontend/Assets/images/bg-f.png') center center / cover no-repeat;
}
.footer::before { content: ""; position: absolute; inset: 0; background: rgba(6,40,26,.86); }
.footer > * { position: relative; z-index: 2; }
.footer-main { padding: 56px 0 40px; }

.footer-title { color: #fff; font-size: 1.05rem; text-transform: uppercase; margin: 0 0 18px; padding-bottom: 10px; position: relative; }
.footer-title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 40px; height: 2px; background: var(--c-accent); }

.footer-brand{text-align: center;}
.footer-logo {display: inline-block;margin-bottom: 10px;}
.footer-logo img {height: 85px;width: auto;}
.footer-about p { color: rgba(255,255,255,.74); font-size: .9rem; line-height: 1.7; margin: 0 0 16px; }
.footer-contact p { color: rgba(255,255,255,.82); font-size: .88rem; margin: 0 0 9px; display: flex; gap: 9px; align-items: flex-start; }
.footer-contact p i { color: var(--c-accent); margin-top: 3px; flex-shrink: 0; }
/* Link website: kế thừa màu chữ footer (tránh xanh primary trên nền xanh) */
.footer-contact a {color: inherit;/* text-decoration: underline; */text-underline-offset: 2px;}
.footer-contact a:hover { color: var(--c-accent); }
.socials { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.socials a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.12); color: #fff; display: flex; align-items: center; justify-content: center; transition: background .2s ease, transform .2s ease; }
.socials a:hover { background: var(--c-accent); color: #fff; transform: translateY(-2px); }

/* Thống kê chân trang: đang online + tổng truy cập (dưới mạng xã hội, cột 2) */
.footer-stats {margin-top: 0;padding-top: 0;display: flex;align-items: center;gap: 26px;}
.footer-stats li {display: flex;align-items: center;gap: 8px;color: rgba(255,255,255,.82);font-size: .85rem;/* margin-bottom: 7px; */}
.footer-stats li:last-child { margin-bottom: 0; }
.footer-stats i {color: #fff;width: 16px;flex-shrink: 0;}
.footer-stats strong { color: #fff; font-weight: 700; margin-left: auto; }

.footer-links li { margin-bottom: 11px; }
.footer-links a { color: rgba(255,255,255,.78); font-size: .9rem; display: inline-flex; align-items: center; gap: 9px; transition: color .2s ease, padding-left .2s ease; }
.footer-links a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .72rem; color: var(--c-accent); }
.footer-links a:hover { color: #fff; padding-left: 3px; }

.map-box { border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 14px; background: rgba(255,255,255,.06); height: 150px;}
.map-box iframe {width: 100%;height: 100%;border: 0;display: block;}
.footer-fanpage { border-radius: var(--radius-sm); overflow: hidden; background: #fff; }
.footer-fanpage iframe { width: 100%; display: block; }

/* Thanh copyright */
.footer-bottom {border-top: 1px solid rgba(255,255,255,.14);padding: 10px 0;background-color: var(--c-accent);}
.copyright {color: rgba(255,255,255,.7);font-size: .85rem;text-align: center;margin: 0;font-size: 14px;}
.copyright a {color: #ffffff;}
.copyright a:hover { color: #fff; }

.page-hero {position: relative;padding: 230px 0 50px;color: #fff;background: #0c3a27 center center / cover no-repeat;}
.page-hero-plain { background: linear-gradient(135deg, var(--c-primary-dark), #06331f); }
.page-hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,40,26,.86) 0%, rgba(6,40,26,.55) 100%); }
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb-nav {display: flex;align-items: center;flex-wrap: wrap;gap: 8px;font-size: .85rem;margin-bottom: 12px;color: rgba(255,255,255,.8);justify-content: center;}
.breadcrumb-nav a { color: rgba(255,255,255,.85); }
.breadcrumb-nav a:hover { color: var(--c-accent); }
.breadcrumb-nav .sep { opacity: .5; }
.breadcrumb-nav .current { color: #fff; font-weight: 600; }
.page-hero-title {color: #fff;text-transform: uppercase;font-size: clamp(1.6rem, 3vw, 2.4rem);margin: 0;text-align: center;font-size: 32px;margin-bottom: 10px;}
.page-hero-cat { color: #fff; text-transform: uppercase; font-weight: 700; letter-spacing: .5px; font-size: clamp(1.4rem, 2.6vw, 2rem); margin-bottom: 10px; }

/* PostList */
.post-list-section { padding: 56px 0; background: var(--c-bg-soft); }

/* Trang "Tin tức và Liên hệ": mỗi danh mục con là 1 khối (tiêu đề + Xem thêm + slider 6 bài) */
.news-hub-block { margin-bottom: 54px; }
.news-hub-block:last-child { margin-bottom: 0; }
.news-swiper { position: relative; padding-bottom: 46px; }
.news-swiper .swiper-slide { height: auto; display: flex; }      /* thẻ cao đều nhau trong 1 hàng */
.news-swiper .swiper-slide > .news-card { width: 100%; }
.news-swiper .swiper-button-prev,
.news-swiper .swiper-button-next {
    top: auto; bottom: 0; width: 38px; height: 38px; margin-top: 0; border-radius: 50%;
    background: #fff; color: var(--c-primary-dark); box-shadow: 0 4px 14px rgba(0,30,18,.18);
    transition: background .2s ease, color .2s ease;
}
.news-swiper .swiper-button-prev { left: auto; right: 48px; }
.news-swiper .swiper-button-next { right: 0; }
.news-swiper .swiper-button-prev:hover,
.news-swiper .swiper-button-next:hover { background: var(--c-accent); color: #fff; }
.news-swiper .swiper-button-prev::after,
.news-swiper .swiper-button-next::after { font-size: .85rem; font-weight: 700; }
.news-swiper .swiper-button-disabled { opacity: .35; }
.news-swiper .swiper-pagination { bottom: 12px; left: 0; width: auto; text-align: left; }
.news-swiper .swiper-pagination-bullet { background: var(--c-primary-dark); opacity: .3; }
.news-swiper .swiper-pagination-bullet-active { background: var(--c-accent); opacity: 1; width: 22px; border-radius: 5px; }
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-grid .proj-card { aspect-ratio: 4 / 3; min-height: 0; }

.showcase-card { position: relative; display: block; overflow: hidden; aspect-ratio: 4 / 3; border-radius: var(--radius); box-shadow: var(--shadow); }
.showcase-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.showcase-card:hover .showcase-img { transform: scale(1.08); }
.showcase-body {
    position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; justify-content: flex-end;
    padding: 22px; color: #fff;
    background: linear-gradient(to top, rgba(6,40,26,.9) 0%, rgba(6,40,26,.12) 55%, transparent 80%);
    transition: background .35s ease;
}
.showcase-card:hover .showcase-body { background: linear-gradient(to top, rgba(6,40,26,.95) 0%, rgba(6,40,26,.55) 70%, rgba(6,40,26,.25) 100%); }
.showcase-title { color: #fff; font-size: 1.15rem; line-height: 1.3; margin: 0; text-transform: uppercase; text-shadow: 0 1px 6px rgba(0,0,0,.4); }
.showcase-reveal { max-height: 0; opacity: 0; overflow: hidden; margin-top: 0; transition: max-height .35s ease, opacity .35s ease, margin-top .35s ease; }
.showcase-card:hover .showcase-reveal { max-height: 170px; opacity: 1; margin-top: 10px; }
.showcase-reveal p { color: rgba(255,255,255,.9); font-size: .9rem; line-height: 1.6; margin: 0 0 12px; }
.showcase-more {display: inline-flex;align-items: center;gap: 8px;color: var(--c-accent);font-weight: 600;font-size: .9rem;}
.showcase-more i { transition: transform .2s ease; }
.showcase-card:hover .showcase-more i { transform: translateX(4px); }
.post-empty { text-align: center; padding: 60px 0; color: var(--c-muted); }
.post-empty i { display: block; font-size: 2.4rem; color: var(--c-border); margin-bottom: 12px; }
.pager { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 38px; }
.pager-link { min-width: 42px; height: 42px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--c-border); background: #fff; color: var(--c-text); display: inline-flex; align-items: center; justify-content: center; font-weight: 600; transition: border-color .2s ease, color .2s ease, background .2s ease; }
.pager-link:hover { border-color: var(--c-primary); color: var(--c-primary-dark); }
.pager-link.is-active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* PostDetail */
.post-detail-section { padding: 46px 0 64px; }
.post-article-title {font-size: clamp(1.5rem, 2.6vw, 2.1rem);color: var(--c-dark);margin-bottom: 14px;font-size: 28px;}
.post-article-meta { display: flex; flex-wrap: wrap; gap: 18px; color: var(--c-muted); font-size: .85rem; margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid var(--c-border); }
.post-article-meta i { color: var(--c-accent); margin-right: 5px; }
.post-article-featured { margin: 0 0 24px; border-radius: var(--radius); overflow: hidden; }
.post-article-featured img { width: 100%; height: auto; display: block; }
.post-article-content { color: var(--c-text); line-height: 1.85; }
.post-article-content p { margin: 0 0 1.1em; }
.post-article-content img { max-width: 100%; height: auto; border-radius: var(--radius-sm); margin: 10px 0; }
.post-article-content h2, .post-article-content h3, .post-article-content h4 {color: var(--c-primary-dark);margin: 1.4em 0 .6em;font-size: 24px;}
.post-article-content ul, .post-article-content ol { padding-left: 22px; margin: 0 0 1.1em; }
.post-article-content ul { list-style: disc; }
.post-article-content ol { list-style: decimal; }
.post-sidebar-title { font-size: 1.15rem; color: var(--c-primary-dark); text-transform: uppercase; padding-bottom: 12px; margin-bottom: 18px; border-bottom: 2px solid var(--c-accent); display: inline-block; }
.post-sidebar .news-card { margin-bottom: 18px; }
.post-sidebar .news-card-media img { height: 170px; }
.apply-sidebar {background: var(--c-bg);border: 1px solid var(--c-border);border-radius: var(--radius);box-shadow: var(--shadow);padding: 24px;margin-bottom: 26px;padding-bottom: 10px;}

.recruit-apply { padding: 66px 0; background: linear-gradient(135deg, var(--c-primary-dark), #06331f); }
.recruit-form { max-width: 820px; margin: 26px auto 0; }

.apply-form { background: transparent; box-shadow: none; padding: 0; border-radius: 0; }
.apply-form-grid { display: flex; flex-direction: column; gap: 12px; }
.apply-form .contact-submit { width: 100%; justify-content: center; margin-top: 4px; }
.apply-form .contact-msg { margin-top: 6px; }

/* Contact */
.contact-page { padding: 56px 0; }
.contact-info-title { color: var(--c-primary-dark); text-transform: uppercase; margin: 6px 0 14px; }
.contact-info-desc { color: var(--c-muted); line-height: 1.7; margin-bottom: 22px; }
.contact-info-list { margin-bottom: 20px; }
.contact-info-list li { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 16px; }
.ci-ic { width: 44px; height: 44px; border-radius: 50%; background: rgba(0,167,98,.1); color: var(--c-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-list small { display: block; color: var(--c-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .4px; margin-bottom: 2px; }
.contact-info-list a, .contact-info-list strong { color: var(--c-dark); font-weight: 700; font-size: 1rem; }
.contact-info-list a:hover { color: var(--c-primary-dark); }
.contact-info .socials { margin: 0 0 22px; }
.contact-info .socials a { background: rgba(0,167,98,.1); color: var(--c-primary); }
.contact-info .socials a:hover { background: var(--c-accent); color: #fff; }

.contact-form-card { background: var(--c-bg); border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px; }
.contact-form-heading {color: var(--c-primary-dark);text-transform: uppercase;margin-bottom: 20px;font-size: 20px;}
.cf-label { display: block; font-size: .85rem; font-weight: 600; color: var(--c-text); margin-bottom: 6px; }
.cf-label span { color: var(--c-accent); }
.cf-input {width: 100%;border: 1px solid var(--c-border);border-radius: 8px;padding: 8px 14px;font-family: inherit;font-size: 14px;color: var(--c-text);transition: border-color .2s ease, box-shadow .2s ease;background-color: #f2f2f2;}
.cf-input:focus { outline: 0; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(0,167,98,.14); }
textarea.cf-input { resize: vertical; min-height: 120px; }
.contact-alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-weight: 600; font-size: .9rem; }
.contact-alert.is-ok { background: rgba(0,167,98,.12); color: var(--c-primary-dark); }
.contact-alert.is-err { background: rgba(214,59,59,.1); color: #c22; }

.section-lead { color: var(--c-muted); max-width: 720px; margin: 0 auto; line-height: 1.7; }

.page-content { padding: 56px 0; }
.page-content-body { max-width: 900px; margin: 0 auto; }

.intro-story {padding: 50px 0;}
.intro-story-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); height: 100%; }
.intro-story-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.intro-rich {color: var(--c-text);line-height: 20px;margin-bottom: 22px;font-size: 14px;margin-top: 30px;text-align: justify;}
.intro-rich p {margin: 0 0 0.8em;}
.intro-timeline { border-left: 2px solid var(--c-border); padding-left: 24px; margin-top: 6px; }
.intro-timeline li {position: relative;padding-bottom: 10px;}
.intro-timeline li:last-child { padding-bottom: 0; }
.intro-timeline li::before { content: ""; position: absolute; left: -31px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--c-accent); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--c-accent); }
.tl-year {display: inline-block;font-weight: 700;color: var(--c-primary-dark);font-size: 16px;margin-bottom: 2px;}
.intro-timeline p {margin: 0;color: #292929;font-size: 14px;line-height: 1.6;font-weight: 400;text-align: justify;}
.intro-rich ul{list-style: inside;display: grid;grid-template-columns: repeat(2, 1fr);gap: 13px 30px;padding-left: 0;list-style: none;}
.intro-rich ul li{font-weight: 600;display: flex;gap: 10px;}
.intro-rich ul li:before{content:"\f058";font-family: "Font Awesome 6 Free";color: var(--c-accent);font-weight: 400;}
/* Tầm nhìn & Sứ mệnh */
.intro-vision { padding: 50px 0; background: var(--c-bg-soft); }
.vision-card {background: var(--c-primary);border-radius: var(--radius);box-shadow: var(--shadow);padding: 34px 50px;height: 100%;text-align: center;transition: transform .2s ease, filter .2s ease;}
.vision-ic {width: 100px;height: 100px;border-radius: 50%;background: #fff;color: var(--c-accent);display: inline-flex;align-items: center;justify-content: center;font-size: 50px;margin-bottom: 16px;font-weight: 400;}
.vision-ic img { width: 40px; height: 40px; object-fit: contain; }
.vision-card h3 {color: #fff;text-transform: uppercase;margin-bottom: 10px;font-size: 24px;}
.vision-card p {color: #fff;line-height: 1.7;margin: 0;font-size: 16px;}
.vision-card:hover{transform: translateY(-15px);background: var(--c-primary-dark);}
/* Giá trị cốt lõi */
.intro-values {padding: 50px 0;}
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 6px; }
.value-card {text-align: center;padding: 30px 20px;border-radius: var(--radius);background: var(--c-accent);box-shadow: var(--shadow);transition: transform .25s ease;}
.value-card:hover { transform: translateY(-5px); }
.value-ic { width: 66px; height: 66px; border-radius: 18px; background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark)); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 14px; }
.value-card h3 {font-size: 1.05rem;color: #fff;margin-bottom: 8px;}
.value-card p {color: #fff;font-size: 14px;line-height: 1.6;margin: 0;}

.intro-workshop {padding: 50px 0;background: var(--c-bg-soft);}
.workshop-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 6px; }
.workshop-item { position: relative; display: block; border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 4 / 3; box-shadow: var(--shadow); }
.workshop-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.workshop-item:hover img { transform: scale(1.07); }
.workshop-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 14px 12px; color: #fff; font-weight: 600; font-size: .85rem; background: linear-gradient(to top, rgba(0,0,0,.72), transparent); }

.intro-machine {padding: 50px 0;}
.machine-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 6px; }
.machine-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.machine-media { aspect-ratio: 4 / 3; overflow: hidden; }
.machine-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.machine-card:hover .machine-media img { transform: scale(1.06); }
.machine-body { padding: 18px; }
.machine-body h3 { font-size: 1.02rem; color: var(--c-primary-dark); margin-bottom: 6px; }
.machine-body p { color: var(--c-muted); font-size: .86rem; line-height: 1.55; margin: 0; }

.intro-profile { padding: 50px 0; background: var(--c-bg-soft); }
.profile-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 6px; }
.profile-item { display: block; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); text-align: center; }
.profile-item img { width: 100%; height: 250px; object-fit: cover; background: var(--c-bg-soft); }
.profile-cap { display: block; padding: 14px; font-weight: 600; color: var(--c-dark); font-size: .9rem; }
.profile-item:hover .profile-cap { color: var(--c-primary-dark); }

/* ---------------------------------------------------------------------
   Trang Giới thiệu: 4 lưới (.js-swiper-grid) -> Swiper.
   JS bọc .swiper.intro-swiper và gắn .swiper-wrapper / .swiper-slide.
   Selector 2 class (0,2,0) để thắng cả .values-grid {display:grid} lẫn
   các rule cuộn ngang cũ trong responsive.css (0,1,0).
   --------------------------------------------------------------------- */
.values-grid.swiper-wrapper,
.workshop-grid.swiper-wrapper,
.machine-grid.swiper-wrapper,
.profile-grid.swiper-wrapper {
    display: flex;
    flex-wrap: nowrap;
    grid-template-columns: none;
    gap: 0;                       /* khoảng cách do Swiper spaceBetween lo */
    align-items: stretch;
    overflow: visible;            /* huỷ overflow-x:auto của rule cuộn ngang cũ */
    padding: 0;
    scroll-snap-type: none;
    margin-top: 6px;
}
/* Class .swiper-slide gắn thẳng lên thẻ card (không bọc thêm) -> để cao tự giãn,
   align-items:stretch ở wrapper lo phần cao đều nhau. */
.intro-swiper .swiper-slide { height: auto; }

.intro-swiper { overflow: hidden; padding-bottom: 30px; }   /* chừa chỗ cho chấm phân trang */
.intro-swiper .swiper-pagination { bottom: 0; }
.intro-swiper .swiper-pagination-bullet { background: var(--c-primary-dark); opacity: .3; }
.intro-swiper .swiper-pagination-bullet-active { background: var(--c-accent); opacity: 1; width: 22px; border-radius: 5px; }

.lib-links { padding: 60px 0 30px; }
.lib-links-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 6px; }
.lib-links-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }   /* trang Tuyển dụng: 3 ô */
.lib-links-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }   /* trang Đối tác: 2 ô quyền lợi */
.partner-links { margin-top: 22px; }                                /* nằm dưới .intro-rich */
.lib-link-card {
    display: flex; align-items: center; gap: 14px; padding: 20px;
    background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
    box-shadow: var(--shadow); color: var(--c-dark); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.lib-link-card:hover {transform: translateY(-3px);border-color: var(--c-accent);box-shadow: 0 14px 34px rgba(20,35,70,.14);color: var(--c-dark);}
.lib-link-ic {
    flex: 0 0 auto; width: 54px; height: 54px; display: inline-flex; align-items: center; justify-content: center;
    border-radius: 12px; background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark)); color: #fff; font-size: 1.4rem;
}
.lib-link-ic img { width: 30px; height: 30px; object-fit: contain; filter: brightness(0) invert(1); }
.lib-link-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.lib-link-body strong { font-size: 1rem; line-height: 1.3; }
.lib-link-body small { color: var(--c-muted); font-size: .82rem; line-height: 1.45; }
.lib-link-go { margin-left: auto; color: var(--c-primary); opacity: .7; }
.lib-link-card:hover .lib-link-go {opacity: 1;color: var(--c-accent);}

/* Thư viện ảnh: Masonry (masonry.desandro.com) — ảnh giữ tỉ lệ gốc, 4 cột desktop / 2 cột mobile.
   Bề rộng cột & khe khai báo bằng % ở đây; JS đọc lại qua .masonry-sizer / .masonry-gutter-sizer.
   Công thức 4 cột: 4*23.5% + 3*2% = 100%. */
.lib-photos { padding: 40px 0; }
.lib-photo-masonry { margin-top: 6px; }
.lib-photo-masonry::after { content: ""; display: block; clear: both; }
.masonry-sizer { width: 23.5%; }
.masonry-gutter-sizer { width: 2%; }
.lib-photo-masonry .lib-photo {width: 24.5%;margin-bottom: 16px;}

.lib-photo { display: block; border-radius: var(--radius-sm); overflow: hidden; box-shadow: var(--shadow); background: var(--c-bg-soft); }
.lib-photo img {display: block;width: 100%;height: auto;transition: transform .5s ease;object-fit: cover;}
.lib-photo:hover img { transform: scale(1.06); }

.lib-videos {padding: 40px 0 50px 0 9;}
.lib-video-swiper { position: relative; margin-top: 6px; padding-bottom: 46px; }
.lib-video-swiper .swiper-slide { height: auto; display: flex; }
.lib-video-swiper .swiper-slide > .lib-video { width: 100%; }
.lib-video-swiper .swiper-button-prev,
.lib-video-swiper .swiper-button-next {
    top: auto; bottom: 0; width: 38px; height: 38px; margin-top: 0; border-radius: 50%;
    background: #fff; color: var(--c-primary-dark); box-shadow: 0 4px 14px rgba(0,30,18,.18);
    transition: background .2s ease, color .2s ease;
}
.lib-video-swiper .swiper-button-prev { left: auto; right: 48px; }
.lib-video-swiper .swiper-button-next { right: 0; }
.lib-video-swiper .swiper-button-prev:hover,
.lib-video-swiper .swiper-button-next:hover { background: var(--c-accent); color: #fff; }
.lib-video-swiper .swiper-button-prev::after,
.lib-video-swiper .swiper-button-next::after { font-size: .85rem; font-weight: 700; }
.lib-video-swiper .swiper-button-disabled { opacity: .35; }
.lib-video-swiper .swiper-pagination { bottom: 12px; left: 0; width: auto; text-align: left; }
.lib-video-swiper .swiper-pagination-bullet { background: var(--c-primary-dark); opacity: .3; }
.lib-video-swiper .swiper-pagination-bullet-active { background: var(--c-accent); opacity: 1; width: 22px; border-radius: 5px; }

.lib-video { position: relative; display: block; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #0c3a27; }
.lib-video img { width: 100%; height: 210px; object-fit: cover; opacity: .92; transition: transform .5s ease, opacity .2s ease; }
.lib-video:hover img { transform: scale(1.05); opacity: 1; }
.lib-video-play {
    position: absolute; top: 42%; left: 50%; transform: translate(-50%, -50%);
    width: 60px; height: 60px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
    background: rgba(242,132,35,.92); color: #fff; font-size: 1.3rem; box-shadow: 0 6px 18px rgba(0,0,0,.3); transition: background .2s ease, transform .2s ease;
}
.lib-video:hover .lib-video-play { background: var(--c-accent); transform: translate(-50%, -50%) scale(1.08); }
.lib-video-cap {
    position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 16px 12px; color: #fff; font-weight: 600; font-size: .92rem;
    background: linear-gradient(180deg, rgba(6,40,26,0) 0%, rgba(6,40,26,.85) 100%);
}

.partner-about { padding: 50px 0; }
.values-grid.cols-3 { grid-template-columns: repeat(3, 1fr); margin-top: 36px; }

.partner-benefits {padding: 50px 0;}
.partner-benefits.is-alt { background: var(--c-bg-soft); }

.partner-register { padding: 50px 0; background: linear-gradient(135deg, var(--c-primary-dark), #06331f); }
.section-title-light { color: #fff; }
.section-title-light::after { background: var(--c-accent); }
.section-lead-light { color: rgba(255,255,255,.85); }
.partner-form { max-width: 820px; margin: 26px auto 0; }

.partner-stories { padding: 50px 0; background: var(--c-bg-soft); }
.story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 6px; }
.story-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.story-media { height: 200px; overflow: hidden; }
.story-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.story-card:hover .story-media img { transform: scale(1.06); }
.story-body { padding: 24px; }
.story-body > i { color: var(--c-accent); opacity: .4; font-size: 1.5rem; }
.story-body p { color: var(--c-text); font-style: italic; line-height: 1.7; margin: 8px 0 14px; }
.story-body strong { color: var(--c-primary-dark); font-size: 1rem; }
.process {padding: 50px 0;position: relative;margin-bottom: 50px;}
.process:before{content:"";background: url(/Frontend/Assets/images/bg-lienhe.jpg) center center / cover no-repeat fixed;position: absolute;top: 0;left: 0;width: 100%;height: 100%;opacity: 0.2;}
.process-timeline { position: relative; margin-top: 34px; }
.process-timeline::before {
    content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px;
    transform: translateX(-50%); background: rgba(0,167,98,.28); border-radius: 2px;
}

.process-step {position: relative;width: 50%;padding-bottom: 15px;}
.process-step:last-child { padding-bottom: 0; }
.process-step:nth-child(odd) { padding-right: 46px; text-align: right; }
.process-step:nth-child(odd) .process-body { flex-direction: row-reverse; }
.process-step:nth-child(even) { margin-left: 50%; padding-left: 46px; text-align: left; }

.process-num {
    position: absolute;
    top: 54px;
    z-index: 2;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--c-primary-dark);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: .95rem;
    border: 3px solid #fff;
    box-shadow: 0 4px 12px rgba(0,30,18,.25);
}
.process-step:nth-child(odd) .process-num { right: -22px; }
.process-step:nth-child(even) .process-num { left: -22px; }

.process-body {
    display: flex;
    align-items: center;
    gap: 18px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 15px;
    transition: transform .2s ease, box-shadow .2s ease;
}
.process-step:hover .process-body {transform: translateY(-3px);box-shadow: 0 14px 34px rgba(20,35,70,.14);border: 1px solid var(--c-accent);}
.process-step:hover .process-body .process-media::after{border: 2px solid var(--c-accent);}
.process-step:hover .process-body .process-title{color: var(--c-accent);}
.process-step:hover .process-num{background-color: var(--c-accent);}
.process-media { position: relative; flex: 0 0 auto; width: 104px; height: 104px; }
.process-media img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; border: 4px solid #fff; box-shadow: 0 10px 24px rgba(0,30,18,.18); }
.process-media::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid rgba(0,167,98,.35); pointer-events: none; }

.process-text { min-width: 0; }
.process-title { color: var(--c-primary-dark); text-transform: uppercase; font-size: .98rem; margin-bottom: 8px; }
.process-desc {color: var(--c-muted);font-size: 14px;line-height: 1.55;margin: 0;}

.process-commit { padding: 0 0 66px; }
.commit-box {max-width: 1200px;margin: 0 auto;border: 2px solid var(--c-accent);border-radius: var(--radius);overflow: hidden;}
.commit-box-title {background: var(--c-accent);color: #fff;text-align: center;text-transform: uppercase;margin: 0;padding: 15px;font-size: 1.1rem;letter-spacing: .5px;}
.commit-box-grid {display: grid;grid-template-columns: repeat(5, 1fr);background-color: var(--c-primary-dark);}
.commit-box-item { text-align: center; padding: 28px 16px; border-right: 1px solid var(--c-border); }
.commit-box-item:last-child { border-right: 0; }
.cb-ic {width: 100px;height: 100px;border-radius: 50%;background: rgba(0,167,98,.1);color: var(--c-primary);display: inline-flex;align-items: center;justify-content: center;font-size: 1.5rem;margin-bottom: 12px;border: 2px solid var(--c-accent);padding: 4px;}
.cb-ic img {width: 100%;height: 100%;object-fit: contain;border-radius: 50%;}
.commit-box-item strong {display: block;color: #fff;text-transform: uppercase;font-size: .9rem;}
.cb-desc {margin: 8px 0 0;color: #fff;font-size: .82rem;line-height: 1.55;}

/* =====================================================================
   CTA NỔI cố định góc dưới bên phải: Hotline + Zalo (MasterPage).
   ===================================================================== */
.float-cta { position: fixed; right: 20px; bottom: 22px; z-index: 1040; display: flex; flex-direction: column; gap: 14px; }
.float-cta-btn {
    position: relative; width: 56px; height: 56px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1.35rem; box-shadow: 0 8px 22px rgba(0,0,0,.28);
    transition: transform .2s ease, filter .2s ease;
}
.float-cta-btn:hover { color: #fff; transform: scale(1.06); filter: brightness(1.05); }
.float-cta-quote { background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark)); }
.float-cta-phone { background: linear-gradient(135deg, var(--c-accent), var(--c-accent-dark)); }
.float-cta-zalo { background: #fff; padding: 6px; }
.float-cta-zalo-img { width: 100%; height: 100%; object-fit: contain; display: block; }

/* Vòng sóng nhấp nháy quanh nút */
.float-cta-ring {
    position: absolute; inset: 0; border-radius: 50%; border: 2px solid currentColor;
    opacity: .6; animation: floatCtaPulse 1.8s ease-out infinite; pointer-events: none;
}
.float-cta-quote .float-cta-ring { color: var(--c-primary); }
.float-cta-phone .float-cta-ring { color: var(--c-accent); }
.float-cta-zalo .float-cta-ring { color: #0068ff; }
@keyframes floatCtaPulse { 0% { transform: scale(1); opacity: .6; } 100% { transform: scale(1.7); opacity: 0; } }

/* Nhãn trượt ra khi hover (desktop): số hotline / "Gửi yêu cầu" */
.float-cta-text {
    position: absolute; right: 64px; top: 50%; transform: translateY(-50%);
    white-space: nowrap; background: var(--c-dark); color: #fff; font-size: .9rem; font-weight: 700;
    padding: 8px 14px; border-radius: 6px; box-shadow: 0 6px 16px rgba(0,0,0,.25);
    opacity: 0; visibility: hidden; transition: opacity .2s ease, transform .2s ease;
}
.float-cta-btn:hover .float-cta-text { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(-4px); }
.footer-title2{
    color: #fff;
    font-size: 16px;    
    font-weight: 200;
    text-transform: uppercase;
}
@media (max-width: 575.98px) {
    .float-cta { right: 14px; bottom: 16px; gap: 12px; }
    .float-cta-btn { width: 50px; height: 50px; font-size: 1.2rem; }
    .float-cta-text { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    .float-cta-ring { animation: none; }
}
.header-nav{display: block;}
.offcanvas-lg .offcanvas-body{display: block;}
.lib-video-swiper .swiper-button-prev, .lib-video-swiper .swiper-button-next{display: none !important;}  
.swiper-button-next, .swiper-button-prev{display: none !important;}
.news-hub-block .proj-card-featured .proj-card-title{font-size: 21px;margin-bottom: 12px;}
.news-hub-block .proj-card-desc{overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-line-clamp: 2;-webkit-box-orient: vertical;}
.news-hub-block .proj-card-title{overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-line-clamp: 2;-webkit-box-orient: vertical;}