/* =====================================================================
   KGP — MEP Engineering · Design System
   ---------------------------------------------------------------------
   Lớp thương hiệu đặt TRÊN Bootstrap 5. Nạp SAU bootstrap.min.css.
   Font nạp qua Google Fonts trong sources/templates/css.php.

   MỤC LỤC
     01. Design tokens
     02. Override biến Bootstrap
     03. Reset & base
     04. Typography
     05. Layout: container / section / section-head
     06. Component: button
     07. Component: badge · chip · tag
     08. Component: card
     09. Component: breadcrumb · page banner
     10. Component: pagination
     11. Component: form
     12. Component: table thông số
     13. Component: tab lọc · accordion
     14. Component: marquee đối tác
     15. Component: counter / số liệu
     16. Component: timeline quy trình
     17. Header · top bar · mega menu · language switcher
     18. Mobile drawer
     19. Hero slider
     20. Footer
     21. Nút nổi (hỗ trợ trực tuyến) · scroll-top
     22. Prose — nội dung CKEditor
     23. Utilities
     24. Animation · reveal on scroll
     25. Responsive
     26. Accessibility · print
   ===================================================================== */

/* =====================================================================
   01. DESIGN TOKENS
   ===================================================================== */
:root {
    /* --- Màu thương hiệu: trích trực tiếp từ logo --- */
    --kgp-orange:        #FE7E00;   /* cam chủ đạo (chữ G, P)          */
    --kgp-brown:         #502C20;   /* nâu chủ đạo (chữ K, MEP Eng.)   */

    --kgp-orange-rgb:    254, 126, 0;
    --kgp-brown-rgb:     80, 44, 32;

    /* --- Sắc độ dẫn xuất --- */
    --kgp-orange-dark:   #D96A00;   /* :hover nút cam                  */
    --kgp-orange-soft:   #FF9C33;   /* highlight nhẹ                   */
    --kgp-orange-tint:   #FFF2E4;   /* nền nhạt cho card / badge       */
    --kgp-brown-deep:    #3A1E15;   /* footer bottom, hover nền nâu    */
    --kgp-brown-soft:    #6E4636;   /* border / divider trên nền nâu   */
    --kgp-brown-tint:    #F3EEEB;   /* nền nhạt tông nâu               */

    /* --- Trung tính --- */
    --kgp-ink:           #241C18;   /* chữ chính                       */
    --kgp-ink-2:         #4A403A;   /* chữ phụ đậm                     */
    --kgp-muted:         #6E635D;   /* chữ phụ                         */
    --kgp-line:          #E4DCD6;   /* viền trên nền sáng              */
    --kgp-line-2:        #F0EAE6;   /* viền rất nhạt                   */
    --kgp-sand:          #F7F4F1;   /* nền section xen kẽ              */
    --kgp-white:         #FFFFFF;

    /* --- Màu trạng thái --- */
    --kgp-success:       #1E7A46;
    --kgp-success-bg:    #E8F5EE;
    --kgp-danger:        #B4241C;
    --kgp-danger-bg:     #FDECEA;
    --kgp-info:          #1B5E92;
    --kgp-info-bg:       #E9F2F9;

    /* --- Typography --- */
    --font-heading: 'Archivo', 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-body:    'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono:    ui-monospace, 'SFMono-Regular', 'Cascadia Mono', Consolas, monospace;

    /* Thang 8 bậc — fluid, không cần media query cho cỡ chữ */
    --fs-1:  0.75rem;                              /* 12 — micro label   */
    --fs-2:  0.8125rem;                            /* 13 — small         */
    --fs-3:  0.9375rem;                            /* 15 — body nhỏ      */
    --fs-4:  1rem;                                 /* 16 — body          */
    --fs-5:  clamp(1.0625rem, 0.4vw + 1rem, 1.125rem);      /* 17→18 lead */
    --fs-6:  clamp(1.25rem, 0.6vw + 1.1rem, 1.5rem);        /* 20→24 h4   */
    --fs-7:  clamp(1.5rem, 1.2vw + 1.2rem, 2rem);           /* 24→32 h3   */
    --fs-8:  clamp(1.875rem, 2vw + 1.3rem, 2.75rem);        /* 30→44 h2   */
    --fs-9:  clamp(2.25rem, 3.4vw + 1.2rem, 3.75rem);       /* 36→60 h1   */

    --lh-tight:  1.15;
    --lh-snug:   1.35;
    --lh-normal: 1.65;

    --fw-regular:  400;
    --fw-medium:   500;
    --fw-semibold: 600;
    --fw-bold:     700;
    --fw-black:    800;

    /* --- Spacing scale (base 4px) --- */
    --sp-1:  0.25rem;   /*  4 */
    --sp-2:  0.5rem;    /*  8 */
    --sp-3:  0.75rem;   /* 12 */
    --sp-4:  1rem;      /* 16 */
    --sp-5:  1.25rem;   /* 20 */
    --sp-6:  1.5rem;    /* 24 */
    --sp-7:  2rem;      /* 32 */
    --sp-8:  2.5rem;    /* 40 */
    --sp-9:  3rem;      /* 48 */
    --sp-10: 4rem;      /* 64 */
    --sp-11: 5rem;      /* 80 */
    --sp-12: 6rem;      /* 96 */

    --section-py:    clamp(3.5rem, 6vw, 6rem);
    --section-py-sm: clamp(2.5rem, 4vw, 3.5rem);

    /* --- Nhịp thiết kế --- */
    --radius-sm:  4px;
    --radius:     6px;          /* bo góc thống nhất toàn site */
    --radius-lg:  12px;
    --radius-pill: 999px;

    --shadow-xs: 0 1px 2px rgba(36, 28, 24, .06);
    --shadow-sm: 0 2px 10px rgba(36, 28, 24, .07);
    --shadow:    0 10px 30px rgba(36, 28, 24, .10);
    --shadow-lg: 0 20px 50px rgba(36, 28, 24, .14);

    --container:  1240px;
    --header-h:   84px;
    --header-h-sm: 64px;

    --ease:       cubic-bezier(.4, 0, .2, 1);
    --t-fast:     .18s var(--ease);
    --t:          .28s var(--ease);
    --t-slow:     .5s var(--ease);

    --z-header:   1030;
    --z-drawer:   1045;
    --z-float:    1020;
}

/* =====================================================================
   02. OVERRIDE BIẾN BOOTSTRAP
   Để .btn-primary, .text-primary, .row/.col… ăn theo brand
   ===================================================================== */
:root {
    --bs-primary:          var(--kgp-orange);
    --bs-primary-rgb:      var(--kgp-orange-rgb);
    --bs-secondary:        var(--kgp-brown);
    --bs-secondary-rgb:    var(--kgp-brown-rgb);

    --bs-body-bg:          var(--kgp-white);
    --bs-body-color:       var(--kgp-ink);
    --bs-body-font-family: var(--font-body);
    --bs-body-font-size:   var(--fs-4);
    --bs-body-font-weight: var(--fw-regular);
    --bs-body-line-height: var(--lh-normal);

    --bs-heading-color:    var(--kgp-brown);
    --bs-link-color:       var(--kgp-brown);
    --bs-link-color-rgb:   var(--kgp-brown-rgb);
    --bs-link-hover-color: var(--kgp-orange);
    --bs-border-color:     var(--kgp-line);
    --bs-border-radius:    var(--radius);
    --bs-emphasis-color:   var(--kgp-brown);

    --bs-gutter-x:         1.5rem;
}

/* =====================================================================
   03. RESET & BASE
   ===================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 16px);
    /* clip (không phải hidden): chặn tràn ngang mà KHÔNG tạo scroll container,
       nên position:sticky của header và cột sidebar vẫn hoạt động. */
    overflow-x: clip;
}

body {
    margin: 0;
    background: var(--kgp-white);
    color: var(--kgp-ink);
    font-family: var(--font-body);
    font-size: var(--fs-4);
    font-weight: var(--fw-regular);
    line-height: var(--lh-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: clip;
}

img, picture, video, canvas, svg, iframe {
    display: block;
    max-width: 100%;
}
img, video { height: auto; }

a {
    color: var(--kgp-brown);
    text-decoration: none;
    transition: color var(--t-fast);
}
a:hover { color: var(--kgp-orange); }

ul, ol { margin: 0; padding: 0; list-style: none; }

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: 0;
    background: none;
    color: inherit;
}

input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
textarea { resize: vertical; }

hr {
    border: 0;
    border-top: 1px solid var(--kgp-line);
    opacity: 1;
    margin: var(--sp-7) 0;
}

::selection { background: var(--kgp-orange); color: #fff; }

:focus-visible {
    outline: 2px solid var(--kgp-orange);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Scrollbar (WebKit) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--kgp-sand); }
::-webkit-scrollbar-thumb {
    background: var(--kgp-brown-soft);
    border-radius: var(--radius-pill);
    border: 2px solid var(--kgp-sand);
}
::-webkit-scrollbar-thumb:hover { background: var(--kgp-brown); }

/* =====================================================================
   04. TYPOGRAPHY
   ===================================================================== */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    margin: 0 0 var(--sp-4);
    font-family: var(--font-heading);
    font-weight: var(--fw-bold);
    line-height: var(--lh-tight);
    color: var(--kgp-brown);
    letter-spacing: -0.015em;
    text-wrap: balance;
}

h1, .h1 { font-size: var(--fs-9); }
h2, .h2 {font-size: var(--fs-7);}
h3, .h3 { font-size: var(--fs-7); }
h4, .h4 { font-size: var(--fs-6); line-height: var(--lh-snug); }
h5, .h5 { font-size: var(--fs-5); font-weight: var(--fw-semibold); line-height: var(--lh-snug); }
h6, .h6 { font-size: var(--fs-4); font-weight: var(--fw-semibold); line-height: var(--lh-snug); }

p { margin: 0 0 var(--sp-4); }
p:last-child { margin-bottom: 0; }

.lead {
    font-size: var(--fs-5);
    line-height: var(--lh-normal);
    color: var(--kgp-ink-2);
    font-weight: var(--fw-regular);
}

.text-muted-kgp { color: var(--kgp-muted) !important; }
.text-orange     { color: var(--kgp-orange) !important; }
.text-brown      { color: var(--kgp-brown) !important; }

strong, b { font-weight: var(--fw-semibold); }

/* Nhãn micro phía trên tiêu đề section */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-3);
    font-family: var(--font-heading);
    font-size: var(--fs-2);
    font-weight: var(--fw-bold);
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--kgp-orange);
}
.eyebrow::before {
    content: '';
    width: 28px;
    height: 2px;
    background: var(--kgp-orange);
    flex: 0 0 auto;
}
.eyebrow.is-center::before { display: none; }

/* Số liệu / counter — dùng biến thể expanded của Archivo */
.numeric {
    font-family: var(--font-heading);
    font-weight: var(--fw-black);
    font-variant-numeric: tabular-nums;
    font-stretch: 112%;
    letter-spacing: -0.02em;
    line-height: 1;
}

/* =====================================================================
   05. LAYOUT: CONTAINER / SECTION / SECTION-HEAD
   ===================================================================== */
.container, .container-lg, .container-xl, .container-xxl {
    /* max-width: var(--container); */
    padding-left: var(--sp-5);
    padding-right: var(--sp-5);
}

.section        { padding: var(--section-py) 0; }
.section--sm    { padding: var(--section-py-sm) 0; }
.section--tight { padding-bottom: 0; }
.section--sand  { background: var(--kgp-sand); }
.section--tint  { background: var(--kgp-orange-tint); }
.section--brown {
    background: var(--kgp-brown);
    color: rgba(255, 255, 255, .82);
    border-bottom: 1px solid #cccccc38;
}
.section--brown h1, .section--brown h2, .section--brown h3,
.section--brown h4, .section--brown h5, .section--brown h6 { color: #fff; }
.section--brown a { color: #fff; }
.section--brown a:hover { color: var(--kgp-orange-soft); }
.section--brown .lead { color: rgba(255, 255, 255, .78); }

/* Nền nâu có vân kỹ thuật rất nhẹ */
.section--brown.has-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 48px 48px, 48px 48px;
}

/* Đầu section */
.section-head {
    max-width: 760px;
    margin-bottom: var(--sp-8);
}
.section-head.is-center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head__title { margin-bottom: var(--sp-3); }
.section-head__desc {
    margin-bottom: 0;
    color: var(--kgp-muted);
    font-size: var(--fs-5);
}
.section--brown .section-head__desc { color: rgba(255, 255, 255, .72); }

/* Đầu section có nút bên phải */
.section-head--row {
    max-width: none;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--sp-6);
    flex-wrap: wrap;
}
.section-head--row > div { max-width: 720px; }

/* Gạch chân tiêu đề */
.rule-orange {
    display: block;
    width: 56px;
    height: 3px;
    background: var(--kgp-orange);
    margin-top: var(--sp-4);
}
.is-center .rule-orange { margin-left: auto; margin-right: auto; }

/* =====================================================================
   06. COMPONENT: BUTTON
   ===================================================================== */
.btn-kgp {
    --btn-bg:     var(--kgp-orange);
    --btn-fg:     #fff;
    --btn-bd:     var(--kgp-orange);
    --btn-bg-h:   var(--kgp-orange-dark);
    --btn-fg-h:   #fff;
    --btn-bd-h:   var(--kgp-orange-dark);

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--btn-bd);
    border-radius: var(--radius);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-semibold);
    line-height: 1.25;
    letter-spacing: .01em;
    text-align: center;
    white-space: nowrap;
    cursor: pointer;
    transition: background var(--t-fast), color var(--t-fast),
                border-color var(--t-fast), transform var(--t-fast);
}
.btn-kgp:hover {
    background: var(--btn-bg-h);
    color: var(--btn-fg-h);
    border-color: var(--btn-bd-h);
}
.btn-kgp:active { transform: translateY(1px); }
.btn-kgp:disabled, .btn-kgp.is-disabled {
    opacity: .55;
    pointer-events: none;
}
.btn-kgp i, .btn-kgp svg { font-size: .9em; }

/* Biến thể */
.btn-kgp--brown {
    --btn-bg: var(--kgp-brown);   --btn-bd: var(--kgp-brown);
    --btn-bg-h: var(--kgp-brown-deep); --btn-bd-h: var(--kgp-brown-deep);
}
.btn-kgp--outline {
    --btn-bg: transparent;        --btn-fg: var(--kgp-brown);
    --btn-bd: var(--kgp-line);
    --btn-bg-h: var(--kgp-brown); --btn-fg-h: #fff; --btn-bd-h: var(--kgp-brown);
}
.btn-kgp--outline-orange {
    --btn-bg: transparent;        --btn-fg: var(--kgp-orange);
    --btn-bd: var(--kgp-orange);
    --btn-bg-h: var(--kgp-orange); --btn-fg-h: #fff; --btn-bd-h: var(--kgp-orange);
}
.btn-kgp--light {
    --btn-bg: #fff;               --btn-fg: var(--kgp-brown);
    --btn-bd: #fff;
    --btn-bg-h: var(--kgp-orange); --btn-fg-h: #fff; --btn-bd-h: var(--kgp-orange);
}
.btn-kgp--ghost-light {
    --btn-bg: transparent;        --btn-fg: #fff;
    --btn-bd: rgba(255, 255, 255, .45);
    --btn-bg-h: #fff;             --btn-fg-h: var(--kgp-brown); --btn-bd-h: #fff;
}

/* Cỡ */
.btn-kgp--sm { padding: 0.5rem 1rem;    font-size: var(--fs-2); }
.btn-kgp--lg { padding: 0.9375rem 2rem; font-size: var(--fs-4); }
.btn-kgp--block { width: 100%; }

/* Link mũi tên "Xem thêm" */
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
}
.link-arrow i, .link-arrow svg {
    font-size: .8em;
    transition: transform var(--t-fast);
}
.link-arrow:hover { color: var(--kgp-orange); }
.link-arrow:hover i, .link-arrow:hover svg { transform: translateX(4px); }

/* =====================================================================
   07. COMPONENT: BADGE · CHIP · TAG
   ===================================================================== */
.badge-kgp {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-sm);
    background: var(--kgp-orange-tint);
    color: var(--kgp-orange-dark);
    font-family: var(--font-heading);
    font-size: var(--fs-1);
    font-weight: var(--fw-bold);
    letter-spacing: .06em;
    text-transform: uppercase;
    line-height: 1.4;
    white-space: nowrap;
}
.badge-kgp--solid  { background: var(--kgp-orange);  color: #fff; }
.badge-kgp--brown  { background: var(--kgp-brown);   color: #fff; }
.badge-kgp--outline{ background: transparent; color: var(--kgp-brown); box-shadow: inset 0 0 0 1px var(--kgp-line); }

/* Trạng thái dự án */
.badge-kgp--doing { background: var(--kgp-info-bg);    color: var(--kgp-info); }
.badge-kgp--done  { background: var(--kgp-success-bg); color: var(--kgp-success); }
.badge-kgp--design{ background: var(--kgp-brown-tint); color: var(--kgp-brown); }

.tag-list { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.tag-kgp {
    display: inline-block;
    padding: 0.3125rem 0.75rem;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius-pill);
    font-size: var(--fs-2);
    color: var(--kgp-muted);
    transition: all var(--t-fast);
}
.tag-kgp:hover {
    border-color: var(--kgp-orange);
    background: var(--kgp-orange-tint);
    color: var(--kgp-orange-dark);
}

/* =====================================================================
   08. COMPONENT: CARD
   ===================================================================== */

/* --- Card cơ sở: viền 1px, KHÔNG box-shadow nặng ---
   KHÔNG đặt height:100% ở đây. Card đứng một mình (form liên hệ, form ứng
   tuyển) nằm trong cột flex của Bootstrap sẽ bị kéo cao bằng cột bên cạnh
   và hở một mảng trắng lớn. Card trong lưới thì thêm .h-100 khi cần. */
.card-kgp {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--t), box-shadow var(--t), transform var(--t);
}
.card-kgp:hover {
    border-color: var(--kgp-brown-soft);
    box-shadow: var(--shadow-sm);
}
.card-kgp__body {padding: 15px;flex: 1 1 auto;}
.card-kgp__foot {
    padding: var(--sp-4) var(--sp-6);
    border-top: 1px solid var(--kgp-line-2);
}
.card-kgp__title {
    font-size: 22px;
    margin-bottom: var(--sp-3);
}
.card-kgp__title a { color: inherit; }
.card-kgp:hover .card-kgp__title a { color: var(--kgp-orange); }
.card-kgp__desc {
    margin: 0;
    color: var(--kgp-muted);
    font-size: var(--fs-3);
}

/* Ảnh trong card: tỷ lệ chuẩn hoá */
.card-kgp__media {
    position: relative;
    display: block;
    overflow: hidden;
    background: var(--kgp-sand);
    aspect-ratio: 4 / 3;
}
.card-kgp__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--t-slow);
}
.card-kgp:hover .card-kgp__media img { transform: scale(1.05); }
.card-kgp__media--16x9 { aspect-ratio: 16 / 9; }
.card-kgp__media--1x1  { aspect-ratio: 1 / 1; }

/* --- Card lĩnh vực / dịch vụ: hover đảo màu --- */
.card-service {
    display: block;
    height: 100%;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    transition: background var(--t), border-color var(--t), transform var(--t);
}
.card-service__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    margin-bottom: var(--sp-5);
    border-radius: var(--radius);
    background: var(--kgp-orange-tint);
    color: var(--kgp-orange);
    font-size: 1.5rem;
    transition: background var(--t), color var(--t);
}
/* Icon ảnh (PNG line art cam, có sẵn padding trong file) */
.card-service__icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    transition: filter var(--t);
}
.card-service__title {
    font-size: var(--fs-6);
    margin-bottom: var(--sp-3);
    color: var(--kgp-brown);
    transition: color var(--t);
}
.card-service__desc {
    margin: 0;
    font-size: var(--fs-3);
    color: var(--kgp-muted);
    transition: color var(--t);
}
.card-service__more {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    margin-top: var(--sp-5);
    font-family: var(--font-heading);
    font-size: var(--fs-2);
    font-weight: var(--fw-semibold);
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--kgp-orange);
    transition: color var(--t);
}
.card-service:hover {
    background: var(--kgp-brown);
    border-color: var(--kgp-brown);
    transform: translateY(-3px);
}
.card-service:hover .card-service__icon { background: var(--kgp-orange); color: #fff; }
/* Icon cam trên nền cam sẽ biến mất -> đổi sang trắng khi hover */
.card-service:hover .card-service__icon img { filter: brightness(0) invert(1); }
.card-service:hover .card-service__title { color: #fff; }
.card-service:hover .card-service__desc { color: rgba(255, 255, 255, .74); }
.card-service:hover .card-service__more { color: var(--kgp-orange-soft); }

/* --- Card dự án: overlay trượt lên khi hover --- */
.card-project {
    position: relative;
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--kgp-brown);
    aspect-ratio: 4 / 3;
}
.card-project img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--t-slow);
}
.card-project::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
        rgba(58, 30, 21, .92) 0%,
        rgba(58, 30, 21, .55) 38%,
        rgba(58, 30, 21, 0) 72%);
    opacity: .9;
    transition: opacity var(--t);
}
.card-project:hover img { transform: scale(1.06); }
.card-project:hover::after { opacity: 1; }

.card-project__info {
    position: absolute;
    inset: auto 0 0 0;
    z-index: 2;
    padding: var(--sp-6);
    color: #fff;
}
.card-project__cat {
    display: block;
    margin-bottom: var(--sp-2);
    font-family: var(--font-heading);
    font-size: var(--fs-1);
    font-weight: var(--fw-bold);
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--kgp-orange-soft);
}
.card-project__title {
    margin: 0;
    font-size: 20px;
    color: #fff;
    line-height: var(--lh-snug);
}
.card-project__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2) var(--sp-5);
    margin-top: var(--sp-3);
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    font-size: var(--fs-2);
    color: rgba(255, 255, 255, .8);
    transition: max-height var(--t), opacity var(--t), margin var(--t);
}
.card-project:hover .card-project__meta,
.card-project:focus-visible .card-project__meta {
    max-height: 120px;
    opacity: 1;
}
.card-project__meta span { display: inline-flex; align-items: center; gap: var(--sp-2); }
.card-project__meta i { color: var(--kgp-orange); }

.card-project__badge {
    position: absolute;
    top: var(--sp-4);
    left: var(--sp-4);
    z-index: 2;
}

/* --- Card tin tức --- */
.card-news { }
.card-news__date {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-3);
    font-size: var(--fs-2);
    color: var(--kgp-muted);
}
.card-news__date i { color: var(--kgp-orange); }
.card-news__title {
    font-size: var(--fs-5);
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    line-height: var(--lh-snug);
    margin-bottom: var(--sp-3);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-news__desc {
    font-size: var(--fs-3);
    color: var(--kgp-muted);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

/* --- Card tuyển dụng (dạng hàng) --- */
.card-job {
    display: flex;
    align-items: center;
    gap: var(--sp-6);
    flex-wrap: wrap;
    padding: var(--sp-5) var(--sp-6);
    background: #fff;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    transition: border-color var(--t), box-shadow var(--t);
}
.card-job:hover { border-color: var(--kgp-orange); box-shadow: var(--shadow-sm); }
.card-job__main { flex: 1 1 260px; min-width: 0; }
.card-job__title {
    font-size: var(--fs-5);
    margin-bottom: var(--sp-2);
}
.card-job__title a { color: inherit; }
.card-job__title a:hover { color: var(--kgp-orange); }
.card-job__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2) var(--sp-5);
    font-size: var(--fs-2);
    color: var(--kgp-muted);
}
.card-job__meta span { display: inline-flex; align-items: center; gap: var(--sp-2); }
.card-job__meta i { color: var(--kgp-orange); }

/* --- Danh sách vị trí tuyển dụng rút gọn (sidebar / trang chủ) --- */
.job-mini > li {
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--kgp-line);
}
.job-mini > li:last-child { border-bottom: 0; }
.job-mini > li > a {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-4);
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
    line-height: var(--lh-snug);
    margin-bottom: var(--sp-1);
}
.job-mini > li > a:hover { color: var(--kgp-orange); }
.job-mini > li > span {
    display: block;
    font-size: var(--fs-2);
    color: var(--kgp-muted);
}

/* --- Card số liệu (stat) --- */
.stat {
    text-align: center;
    padding: var(--sp-5) var(--sp-3);
}
.stat__num {
    display: block;
    font-size: clamp(2.25rem, 3.6vw, 3.25rem);
    color: var(--kgp-orange);
    margin-bottom: var(--sp-2);
}
.stat__label {
    display: block;
    font-size: var(--fs-3);
    color: rgba(255, 255, 255, .74);
    line-height: var(--lh-snug);
}
.section:not(.section--brown) .stat__label { color: var(--kgp-muted); }

/* Vách chia giữa các stat */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0;
}
.stat-grid > * + * { border-left: 1px solid rgba(255, 255, 255, .14); }
.section:not(.section--brown) .stat-grid > * + * { border-left-color: var(--kgp-line); }

/* =====================================================================
   09. COMPONENT: BREADCRUMB · PAGE BANNER
   ===================================================================== */
.page-banner {
    position: relative;
    padding: 30px 0;
    background: var(--kgp-brown);
    color: #fff;
    overflow: hidden;
}
.page-banner__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.page-banner__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .28;
}
.page-banner::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(105deg,
        rgba(58, 30, 21, .94) 0%,
        rgba(58, 30, 21, .74) 55%,
        rgba(80, 44, 32, .55) 100%);
}
.page-banner__inner { position: relative; z-index: 2; }
.page-banner__title {
    margin: 0;
    font-size: var(--fs-8);
    color: #fff;
}
.page-banner__desc {
    max-width: 720px;
    margin: var(--sp-4) 0 0;
    color: rgba(255, 255, 255, .78);
    font-size: var(--fs-5);
    display: none;
}

.breadcrumb-kgp {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-2);
    margin: 0 0 10px;
    padding: 0;
    font-size: var(--fs-2);
}
.breadcrumb-kgp li { display: inline-flex; align-items: center; gap: var(--sp-2); }
.breadcrumb-kgp li + li::before {
    content: '\f105';                /* fa chevron-right */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: .75em;
    color: rgba(255, 255, 255, .45);
}
.breadcrumb-kgp a { color: rgba(255, 255, 255, .72); }
.breadcrumb-kgp a:hover { color: var(--kgp-orange-soft); }
.breadcrumb-kgp .active > a,
.breadcrumb-kgp .active { color: #fff; pointer-events: none; }

/* Breadcrumb trên nền sáng */
.breadcrumb-kgp--light a { color: var(--kgp-muted); }
.breadcrumb-kgp--light .active { color: var(--kgp-brown); }
.breadcrumb-kgp--light li + li::before { color: var(--kgp-line); }

/* =====================================================================
   10. COMPONENT: PAGINATION
   ===================================================================== */
.pagination-kgp {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--sp-2);
    margin-top: var(--sp-9);
}
.pagination-kgp li a,
.pagination-kgp li span,
.pagination-kgp .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    padding: 0 var(--sp-3);
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--kgp-brown);
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-semibold);
    transition: all var(--t-fast);
}
.pagination-kgp li a:hover,
.pagination-kgp .page-link:hover {
    border-color: var(--kgp-brown);
    background: var(--kgp-brown);
    color: #fff;
}
.pagination-kgp li.active a,
.pagination-kgp li.active span,
.pagination-kgp .active > .page-link {
    background: var(--kgp-orange);
    border-color: var(--kgp-orange);
    color: #fff;
}
.pagination-kgp li.disabled a,
.pagination-kgp li.disabled span { opacity: .45; pointer-events: none; }

/* =====================================================================
   11. COMPONENT: FORM
   ===================================================================== */
.form-kgp { }
.form-kgp .row { --bs-gutter-y: 1rem; }

.field { margin-bottom: var(--sp-4); }
.field__label {
    display: block;
    margin-bottom: var(--sp-2);
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
}
.field__label .req { color: var(--kgp-orange); }
.field__hint {
    display: block;
    margin-top: var(--sp-2);
    font-size: var(--fs-2);
    color: var(--kgp-muted);
}

.input-kgp,
.form-kgp input[type="text"],
.form-kgp input[type="email"],
.form-kgp input[type="tel"],
.form-kgp input[type="url"],
.form-kgp input[type="number"],
.form-kgp input[type="date"],
.form-kgp select,
.form-kgp textarea {
    display: block;
    width: 100%;
    padding: 0.6875rem var(--sp-4);
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--kgp-ink);
    font-size: var(--fs-4);
    line-height: 1.5;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
    appearance: none;
}
.form-kgp textarea { min-height: 130px; }
.form-kgp select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236E635D'%3E%3Cpath d='M8 11.5 3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--sp-4) center;
    background-size: 14px;
    padding-right: var(--sp-9);
}

.input-kgp:focus,
.form-kgp input:focus,
.form-kgp select:focus,
.form-kgp textarea:focus {
    outline: 0;
    border-color: var(--kgp-orange);
    box-shadow: 0 0 0 3px rgba(var(--kgp-orange-rgb), .15);
}
.form-kgp ::placeholder { color: #A79D97; opacity: 1; }

.form-kgp .is-invalid { border-color: var(--kgp-danger); }
.field__error {
    display: block;
    margin-top: var(--sp-2);
    font-size: var(--fs-2);
    color: var(--kgp-danger);
}

/* Input có icon phía trước — dùng cho ô "Link CV" */
.input-group-kgp {
    display: flex;
    align-items: stretch;
}
.input-group-kgp__addon {
    display: inline-flex;
    align-items: center;
    padding: 0 var(--sp-4);
    border: 1px solid var(--kgp-line);
    border-right: 0;
    border-radius: var(--radius) 0 0 var(--radius);
    background: var(--kgp-sand);
    color: var(--kgp-muted);
    font-size: var(--fs-3);
}
.input-group-kgp .input-kgp {
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* Checkbox / radio */
.check-kgp {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
    font-size: var(--fs-3);
    color: var(--kgp-ink-2);
    cursor: pointer;
}
.check-kgp input {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    margin-top: 3px;
    accent-color: var(--kgp-orange);
}

/* Form trên nền tối */
.form-kgp--on-dark .field__label { color: #fff; }
.form-kgp--on-dark .field__hint  { color: rgba(255, 255, 255, .6); }
.form-kgp--on-dark .input-kgp,
.form-kgp--on-dark input,
.form-kgp--on-dark select,
.form-kgp--on-dark textarea {
    background: rgba(255, 255, 255, .07);
    border-color: rgba(255, 255, 255, .2);
    color: #fff;
}
.form-kgp--on-dark ::placeholder { color: rgba(255, 255, 255, .45); }

/* Hộp thông báo kết quả gửi form */
.form-msg {
    display: none;
    padding: var(--sp-4) var(--sp-5);
    margin-bottom: var(--sp-5);
    border-radius: var(--radius);
    border-left: 3px solid transparent;
    font-size: var(--fs-3);
}
.form-msg.is-ok    { display: block; background: var(--kgp-success-bg); border-left-color: var(--kgp-success); color: var(--kgp-success); }
.form-msg.is-error { display: block; background: var(--kgp-danger-bg);  border-left-color: var(--kgp-danger);  color: var(--kgp-danger); }

/* =====================================================================
   12. COMPONENT: TABLE THÔNG SỐ
   ===================================================================== */
.table-spec {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-3);
}
.table-spec th,
.table-spec td {
    padding: var(--sp-4) var(--sp-5);
    border-bottom: 1px solid var(--kgp-line);
    text-align: left;
    vertical-align: top;
}
.table-spec th {
    width: 38%;
    font-family: var(--font-heading);
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
    background: var(--kgp-sand);
}
.table-spec tr:last-child th,
.table-spec tr:last-child td { border-bottom: 0; }

.table-wrap {
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    overflow-x: auto;
}

/* =====================================================================
   13. COMPONENT: TAB LỌC · ACCORDION
   ===================================================================== */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-bottom: var(--sp-7);
    padding-bottom: var(--sp-1);
}
.filter-tabs__item {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 0.5625rem 1.125rem;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius-pill);
    background: #fff;
    color: var(--kgp-ink-2);
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    transition: all var(--t-fast);
}
.filter-tabs__item:hover {
    border-color: var(--kgp-brown-soft);
    color: var(--kgp-brown);
}
.filter-tabs__item.is-active {
    background: var(--kgp-brown);
    border-color: var(--kgp-brown);
    color: #fff;
}
.filter-tabs__item .count {
    font-size: var(--fs-1);
    opacity: .7;
}

/* Cuộn ngang trên mobile thay vì xuống dòng */
@media (max-width: 575.98px) {
    .filter-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        margin-left: calc(var(--sp-5) * -1);
        margin-right: calc(var(--sp-5) * -1);
        padding-left: var(--sp-5);
        padding-right: var(--sp-5);
    }
    .filter-tabs::-webkit-scrollbar { display: none; }
}

/* Accordion (chi nhánh trong footer, FAQ) */
.acc-kgp { border-top: 1px solid var(--kgp-line); }
.acc-kgp__item { border-bottom: 1px solid var(--kgp-line); }
.acc-kgp__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    width: 100%;
    padding: var(--sp-4) 0;
    text-align: left;
    font-family: var(--font-heading);
    font-size: var(--fs-4);
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
    transition: color var(--t-fast);
}
.acc-kgp__head:hover { color: var(--kgp-orange); }
.acc-kgp__head i { flex: 0 0 auto; font-size: .8em; transition: transform var(--t-fast); color: var(--kgp-orange); }
.acc-kgp__item.is-open .acc-kgp__head i { transform: rotate(180deg); }
.acc-kgp__body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--t);
}
.acc-kgp__item.is-open .acc-kgp__body { grid-template-rows: 1fr; }
.acc-kgp__body > div { overflow: hidden; }
.acc-kgp__body-inner { padding-bottom: var(--sp-4); font-size: var(--fs-3); color: var(--kgp-muted); }

/* =====================================================================
   14. COMPONENT: MARQUEE ĐỐI TÁC
   ===================================================================== */
.marquee {
    position: relative;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
    display: flex;
    width: max-content;
    gap: var(--sp-9);
    animation: kgp-marquee 34s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 64px;
}
.marquee__item img {
    max-height: 100%;
    width: auto;
    transition: filter var(--t), opacity var(--t);
}
.marquee__item:hover img { filter: grayscale(0); opacity: 1; }

@keyframes kgp-marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* =====================================================================
   15. COMPONENT: COUNTER
   ===================================================================== */
.counter { display: inline-block; }
.counter__suffix, .counter__prefix { font-size: .55em; vertical-align: super; }

/* =====================================================================
   16. COMPONENT: TIMELINE QUY TRÌNH
   ===================================================================== */
.process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--sp-6);
    counter-reset: kgp-step;
}
.process__step {
    position: relative;
    padding-top: var(--sp-7);
    counter-increment: kgp-step;
}
/* Đường kẻ ngang nối các bước (desktop) */
.process__step::before {
    content: '';
    position: absolute;
    top: 11px;
    left: 0;
    right: calc(var(--sp-6) * -1);
    height: 1px;
    background: var(--kgp-line);
}
.process__step:last-child::before { right: 0; }
.process__step::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 0;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--kgp-orange);
}
.process__num {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-2);
    font-weight: var(--fw-bold);
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--kgp-orange);
    margin-bottom: var(--sp-2);
}
.process__num::before { content: counter(kgp-step, decimal-leading-zero); }
.process__title { font-size: var(--fs-5); margin-bottom: var(--sp-2); }
.process__desc  { margin: 0; font-size: var(--fs-3); color: var(--kgp-muted); }

.section--brown .process__step::before { background: rgba(255, 255, 255, .18); }
.section--brown .process__step::after  { background: var(--kgp-brown); }
.section--brown .process__desc { color: rgba(255, 255, 255, .7); }

@media (max-width: 767.98px) {
    .process { grid-template-columns: 1fr; gap: 0; }
    .process__step { padding: 0 0 var(--sp-6) var(--sp-7); }
    .process__step::before {
        top: 0; bottom: 0; left: 7px; right: auto;
        width: 1px; height: auto;
    }
    .process__step:last-child::before { bottom: auto; height: 16px; }
    .process__step::after { top: 2px; left: 0; }
}

/* =====================================================================
   17. HEADER · TOP BAR · MEGA MENU · LANGUAGE SWITCHER
   ===================================================================== */

/* --- Top bar --- */
.topbar {
    background: var(--kgp-brown-deep);
    color: rgba(255, 255, 255, .72);
    font-size: var(--fs-2);
    line-height: 1.4;
}
.topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-5);
    min-height: 40px;
    padding: var(--sp-2) 0;
}
.topbar__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-3) var(--sp-6);
}
.topbar__list li { display: inline-flex; align-items: center; gap: var(--sp-2); }
.topbar__list i { color: var(--kgp-orange); font-size: .95em; }
.topbar a { color: inherit; }
.topbar a:hover { color: #fff; }
.topbar__right { display: flex; align-items: center; gap: var(--sp-5); }

.topbar__social { display: flex; align-items: center; gap: var(--sp-1); }
.topbar__social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    transition: background var(--t-fast), color var(--t-fast);
}
.topbar__social a:hover { background: var(--kgp-orange); color: #fff; }

/* --- Language switcher --- */
.lang-switch { display: flex; align-items: center; gap: var(--sp-1); }
.lang-switch__item {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: var(--fs-1);
    font-weight: var(--fw-bold);
    letter-spacing: .06em;
    color: rgba(255, 255, 255, .6);
    transition: all var(--t-fast);
}
.lang-switch__item img {
    width: 20px;
    height: auto;
    border-radius: 2px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, .25);
}
.lang-switch__item:hover { color: #fff; background: rgba(255, 255, 255, .1); }
.lang-switch__item.is-active { color: #fff; background: rgba(255, 255, 255, .14); }

/* --- Header chính --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: #fff;
    border-bottom: 1px solid var(--kgp-line);
    transition: box-shadow var(--t), background var(--t);
}
.site-header.is-stuck {
    box-shadow: 0 2px 20px rgba(36, 28, 24, .09);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-5);
    height: var(--header-h);
    transition: height var(--t);
}
.site-header.is-stuck .site-header__inner { height: var(--header-h-sm); }

.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img {
    height: 52px;
    width: auto;
    transition: height var(--t);
}
.site-header.is-stuck .brand img { height: 40px; }

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    flex: 0 0 auto;
}

/* Hotline trong header */
.header-hotline {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
}
.header-hotline__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--kgp-orange-tint);
    color: var(--kgp-orange);
}
.header-hotline__label {
    display: block;
    font-size: var(--fs-1);
    color: var(--kgp-muted);
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: .06em;
}
.header-hotline__num {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-4);
    font-weight: var(--fw-bold);
    color: var(--kgp-brown);
    line-height: 1.3;
}

/* --- Main nav --- */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}
.main-nav > li { position: relative; }
.main-nav > li > a {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius);
    font-family: var(--font-heading);
    font-size: 19px;
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
    white-space: nowrap;
    transition: color var(--t-fast), background var(--t-fast);
}
.main-nav > li > a .caret { font-size: .6em; opacity: .6; transition: transform var(--t-fast); }
.main-nav > li > a:hover,
.main-nav > li.is-active > a { color: var(--kgp-orange); }
.main-nav > li:hover > a .caret { transform: rotate(180deg); }

/* Gạch chân active */
.main-nav > li > a::after {
    content: '';
    position: absolute;
    left: var(--sp-4);
    right: var(--sp-4);
    bottom: 2px;
    height: 2px;
    background: var(--kgp-orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t);
}
.main-nav > li.is-active > a::after,
.main-nav > li:hover > a::after { transform: scaleX(1); }

/* --- Dropdown 1 cột (cấp 2, cấp 3) --- */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    padding: var(--sp-3) 0;
    background: #fff;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.main-nav li:hover > .submenu,
.main-nav li:focus-within > .submenu,
.main-nav > li.is-tapped > .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.submenu li { position: relative; }
.submenu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-5);
    font-size: var(--fs-3);
    color: var(--kgp-ink-2);
    transition: all var(--t-fast);
}
.submenu a:hover {
    background: var(--kgp-orange-tint);
    color: var(--kgp-orange-dark);
    padding-left: calc(var(--sp-5) + 4px);
}
/* Cấp 3 mở sang phải */
.submenu .submenu { top: calc(var(--sp-3) * -1); left: 100%; }

/* --- Mega menu (Dự án / Dịch vụ) --- */
.mega {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, 8px);
    width: min(920px, calc(100vw - var(--sp-8)));
    padding: var(--sp-7);
    background: #fff;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.main-nav li:hover > .mega,
.main-nav li:focus-within > .mega,
.main-nav > li.is-tapped > .mega {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}
.mega__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(0, .9fr);
    gap: var(--sp-7);
}
.mega__grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.mega__col { min-width: 0; }
.mega__title {
    margin-bottom: var(--sp-4);
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--kgp-line);
    font-family: var(--font-heading);
    font-size: var(--fs-2);
    font-weight: var(--fw-bold);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--kgp-orange);
}
.mega__link {
    display: block;
    padding: var(--sp-2) 0;
    font-family: var(--font-heading);
    font-size: var(--fs-4);
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
}
.mega__link:hover { color: var(--kgp-orange); }
.mega__sub { margin: var(--sp-1) 0 var(--sp-4); padding-left: var(--sp-4); border-left: 1px solid var(--kgp-line); }
.mega__sub a {
    display: block;
    padding: var(--sp-1) 0;
    font-size: var(--fs-3);
    color: var(--kgp-muted);
}
.mega__sub a:hover { color: var(--kgp-orange); }

/* Item mega có icon + mô tả (dùng cho Dịch vụ) */
.mega__item {
    display: flex;
    gap: var(--sp-4);
    padding: var(--sp-3);
    margin: 0 calc(var(--sp-3) * -1);
    border-radius: var(--radius);
    transition: background var(--t-fast);
}
.mega__item:hover { background: var(--kgp-sand); }
.mega__item-icon {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--kgp-orange-tint);
    color: var(--kgp-orange);
}
.mega__item-title {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
    margin-bottom: 2px;
}
.mega__item-desc { display: block; font-size: var(--fs-2); color: var(--kgp-muted); }
.mega__item:hover .mega__item-title { color: var(--kgp-orange); }

/* Cột ảnh dự án mới nhất trong mega menu */
.mega__promo { }
.mega__promo-media {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--kgp-sand);
    margin-bottom: var(--sp-3);
}
.mega__promo-media img { width: 100%; height: 100%; object-fit: cover; }
.mega__promo-title {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
    line-height: var(--lh-snug);
}

/* Nút hamburger */
.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    color: var(--kgp-brown);
    font-size: 1.125rem;
}
.nav-toggle:hover { background: var(--kgp-brown); border-color: var(--kgp-brown); color: #fff; }

/* =====================================================================
   18. MOBILE DRAWER
   ===================================================================== */
.drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: var(--z-drawer);
    width: min(360px, 88vw);
    height: 100%;
    background: #fff;
    display: flex;
    flex-direction: column;
    transform: translateX(102%);
    transition: transform var(--t);
    box-shadow: var(--shadow-lg);
}
.drawer.is-open { transform: translateX(0); }
.drawer__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    padding: var(--sp-4) var(--sp-5);
    border-bottom: 1px solid var(--kgp-line);
    flex: 0 0 auto;
}
.drawer__head img { height: 38px; width: auto; }
.drawer__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius);
    background: var(--kgp-sand);
    color: var(--kgp-brown);
    font-size: 1.125rem;
}
.drawer__close:hover { background: var(--kgp-brown); color: #fff; }
.drawer__body { flex: 1 1 auto; overflow-y: auto; padding: var(--sp-3) 0; }
.drawer__foot {
    flex: 0 0 auto;
    padding: var(--sp-5);
    border-top: 1px solid var(--kgp-line);
    background: var(--kgp-sand);
}

/* Menu đa cấp trong drawer — accordion trượt dọc */
.drawer-nav > li + li { border-top: 1px solid var(--kgp-line-2); }
.drawer-nav a {
    display: block;
    padding: var(--sp-4) var(--sp-5);
    font-family: var(--font-heading);
    font-size: var(--fs-4);
    font-weight: var(--fw-semibold);
    color: var(--kgp-brown);
}
.drawer-nav .has-sub > .drawer-nav__row {
    display: flex;
    align-items: stretch;
}
.drawer-nav .has-sub > .drawer-nav__row > a { flex: 1 1 auto; }
.drawer-nav__toggle {
    flex: 0 0 auto;
    width: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--kgp-orange);
    border-left: 1px solid var(--kgp-line-2);
}
.drawer-nav__toggle i { transition: transform var(--t-fast); }
.drawer-nav li.is-open > .drawer-nav__row .drawer-nav__toggle i { transform: rotate(180deg); }

.drawer-nav ul {
    display: none;
    background: var(--kgp-sand);
    border-top: 1px solid var(--kgp-line-2);
}
.drawer-nav li.is-open > ul { display: block; }
.drawer-nav ul a {
    padding-left: var(--sp-8);
    font-size: var(--fs-3);
    font-weight: var(--fw-medium);
    color: var(--kgp-ink-2);
}
.drawer-nav ul ul a { padding-left: calc(var(--sp-8) + var(--sp-5)); font-size: var(--fs-3); color: var(--kgp-muted); }

.backdrop {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-drawer) - 1);
    background: rgba(36, 28, 24, .5);
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t), visibility var(--t);
}
.backdrop.is-show { opacity: 1; visibility: visible; }

body.drawer-open { overflow: hidden; }

/* =====================================================================
   19. HERO SLIDER
   ===================================================================== */
.hero { position: relative; background: var(--kgp-brown); }
.hero .swiper { width: 100%; }
.hero__slide {
    position: relative;
    display: flex;
    align-items: center;
    min-height: clamp(440px, 68vh, 720px);
    overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.06);
    transition: transform 7s linear;
}
.swiper-slide-active .hero__bg img { transform: scale(1); }
.hero__slide::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(100deg,
        rgba(58, 30, 21, .93) 0%,
        rgba(58, 30, 21, .72) 42%,
        rgba(58, 30, 21, .28) 72%,
        rgba(58, 30, 21, .1) 100%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; padding: var(--sp-10) 0; }
.hero__content { max-width: 700px; color: #fff; }
.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-5);
    padding: 0.375rem 0.875rem;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, .08);
    font-family: var(--font-heading);
    font-size: var(--fs-2);
    font-weight: var(--fw-semibold);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #fff;
}
.hero__eyebrow::before {
    content: '';
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--kgp-orange);
    box-shadow: 0 0 0 4px rgba(var(--kgp-orange-rgb), .3);
}
.hero__title {
    font-size: 42px;
    color: #fff;
    margin-bottom: var(--sp-5);
    text-wrap: balance;
}
.hero__title em {
    font-style: normal;
    color: var(--kgp-orange);
}
.hero__desc {
    font-size: var(--fs-5);
    color: rgba(255, 255, 255, .82);
    margin-bottom: var(--sp-7);
    max-width: 580px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--sp-4); }

/* Điều hướng slider */
.hero .swiper-button-prev,
.hero .swiper-button-next {
    width: 48px;
    height: 48px;
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: var(--radius);
    background: rgba(58, 30, 21, .35);
    color: #fff;
    transition: all var(--t-fast);
}
.hero .swiper-button-prev:hover,
.hero .swiper-button-next:hover {
    background: var(--kgp-orange);
    border-color: var(--kgp-orange);
}
.hero .swiper-button-prev::after,
.hero .swiper-button-next::after { font-size: 1rem; font-weight: 700; }

.hero .swiper-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    bottom: var(--sp-6) !important;
}
.hero .swiper-pagination-bullet {
    width: 28px;
    height: 3px;
    border-radius: 0;
    background: rgba(255, 255, 255, .4);
    opacity: 1;
    transition: background var(--t-fast), width var(--t-fast);
}
.hero .swiper-pagination-bullet-active { background: var(--kgp-orange); width: 44px; }

/* Dải thông tin nhanh dưới hero */
.hero-strip {
    background: var(--kgp-brown-deep);
    color: rgba(255, 255, 255, .78);
}
.hero-strip__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.hero-strip__item {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    padding: var(--sp-5) var(--sp-6);
    border-left: 1px solid rgba(255, 255, 255, .12);
}
.hero-strip__item:first-child { border-left: 0; }
.hero-strip__item i { font-size: 1.5rem; color: var(--kgp-orange); flex: 0 0 auto; }
.hero-strip__item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-4);
    color: #fff;
    line-height: 1.3;
}
.hero-strip__item span { font-size: var(--fs-2); }

/* =====================================================================
   20. FOOTER
   ===================================================================== */
.site-footer {
    background: var(--kgp-brown);
    color: rgba(255, 255, 255, .7);
    font-size: var(--fs-3);
}
.site-footer__main { padding: var(--sp-11) 0 var(--sp-9); }
.site-footer h4, .site-footer .f-title {
    margin-bottom: var(--sp-5);
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-bold);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #fff;
    position: relative;
    padding-bottom: var(--sp-3);
}
.site-footer h4::after, .site-footer .f-title::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 32px; height: 2px;
    background: var(--kgp-orange);
}
.site-footer a { color: rgba(255, 255, 255, .7); }
.site-footer a:hover { color: var(--kgp-orange-soft); }

.f-logo { height: 54px; width: auto; margin-bottom: var(--sp-5); }
.f-about { max-width: 340px; margin-bottom: var(--sp-5); }

.f-links li + li { margin-top: var(--sp-3); }
.f-links a {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    transition: color var(--t-fast), transform var(--t-fast);
}
.f-links a::before {
    content: '';
    width: 5px; height: 5px;
    background: var(--kgp-orange);
    flex: 0 0 auto;
    opacity: .7;
}
.f-links a:hover { transform: translateX(3px); }

.f-contact li {
    display: flex;
    gap: var(--sp-3);
    margin-bottom: var(--sp-4);
    line-height: var(--lh-snug);
}
.f-contact i { flex: 0 0 auto; width: 18px; margin-top: 4px; color: var(--kgp-orange); }

/* Icon Zalo (logo chính chủ, ảnh màu) — dùng ở topbar, footer, trang liên hệ
   và nút nổi. Bo góc nhẹ để khớp với các icon vector xung quanh. */
.icon-zalo {
    display: block;
    border-radius: 3px;
    flex: 0 0 auto;
}
/* Trên dải nâu đậm, viền logo màu trắng dễ bị "chìm" -> nới sáng nhẹ */
.topbar .icon-zalo,
.site-footer .icon-zalo { border-radius: 4px; }

/* Nút mạng xã hội — mặc định cho nền SÁNG, footer ghi đè cho nền nâu */
.f-social { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-top: var(--sp-5); }
.f-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--kgp-brown);
    transition: all var(--t-fast);
}
.f-social a:hover {
    background: var(--kgp-orange);
    border-color: var(--kgp-orange);
    color: #fff;
}
/* Trên nền nâu (footer) */
.site-footer .f-social a,
.section--brown .f-social a {
    border-color: var(--kgp-brown-soft);
    background: transparent;
    color: rgba(255, 255, 255, .8);
}
.site-footer .f-social a:hover,
.section--brown .f-social a:hover {
    background: var(--kgp-orange);
    border-color: var(--kgp-orange);
    color: #fff;
}

.f-map {
    border-radius: var(--radius);
    overflow: hidden;
    line-height: 0;
    border: 1px solid var(--kgp-brown-soft);
}
.f-map iframe { width: 100%; height: 170px; border: 0; filter: grayscale(.3); }

/* Accordion chi nhánh trong footer */
.site-footer .acc-kgp,
.site-footer .acc-kgp__item { border-color: var(--kgp-brown-soft); }
.site-footer .acc-kgp__head { color: #fff; font-size: var(--fs-3); }
.site-footer .acc-kgp__body-inner { color: rgba(255, 255, 255, .66); }

.site-footer__bottom {
    padding: var(--sp-4) 0;
    border-top: 1px solid var(--kgp-brown-soft);
    background: var(--kgp-brown-deep);
    font-size: var(--fs-2);
}
.site-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4);
    flex-wrap: wrap;
}

/* =====================================================================
   21. NÚT NỔI · SCROLL TOP
   ===================================================================== */
.floating-support {
    position: fixed;
    left: var(--sp-5);
    bottom: var(--sp-5);
    z-index: var(--z-float);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}
.floating-support__btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--kgp-orange);
    color: #fff;
    font-size: 1.125rem;
    box-shadow: var(--shadow);
    transition: transform var(--t-fast), background var(--t-fast);
}
.floating-support__btn:hover { transform: scale(1.08); color: #fff; }
.floating-support__btn--phone { background: var(--kgp-orange); }
.floating-support__btn--mess  { background: #A334FA; }
.floating-support__btn--mail  { background: var(--kgp-brown); }
/* Zalo dùng logo chính chủ (xanh trên nền trắng) -> nút để nền trắng,
   không tô xanh nữa vì logo sẽ chìm vào nền. */
.floating-support__btn--zalo {
    background: #fff;
    box-shadow: 0 2px 10px rgba(36, 28, 24, .18);
    padding: 0;
}
.floating-support__btn--zalo:hover { background: #fff; }

/* Vòng sóng cho nút hotline */
.floating-support__btn--phone::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid rgba(var(--kgp-orange-rgb), .5);
    animation: kgp-ring 1.8s ease-out infinite;
}
@keyframes kgp-ring {
    0%   { transform: scale(.85); opacity: 1; }
    100% { transform: scale(1.35); opacity: 0; }
}

.scroll-top {
    position: fixed;
    right: var(--sp-5);
    bottom: var(--sp-5);
    z-index: var(--z-float);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: var(--radius);
    background: var(--kgp-brown);
    color: #fff;
    box-shadow: var(--shadow-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all var(--t);
}
.scroll-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--kgp-orange); color: #fff; }

/* =====================================================================
   22. PROSE — NỘI DUNG CKEDITOR
   ===================================================================== */
.prose { font-size: var(--fs-4); line-height: var(--lh-normal); color: var(--kgp-ink-2); }
.prose > *:first-child { margin-top: 0; }
.prose > *:last-child  { margin-bottom: 0; }

.prose h2 { font-size: var(--fs-7); margin: var(--sp-9) 0 var(--sp-4); }
.prose h3 { font-size: var(--fs-6); margin: var(--sp-8) 0 var(--sp-3); }
.prose h4 { font-size: var(--fs-5); margin: var(--sp-7) 0 var(--sp-3); }
.prose h5, .prose h6 { margin: var(--sp-6) 0 var(--sp-2); }

.prose h2 {
    padding-left: var(--sp-4);
    border-left: 3px solid var(--kgp-orange);
    font-size: 28px;
}

.prose p { margin: 0 0 var(--sp-5); }
.prose a { color: var(--kgp-orange-dark); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--kgp-brown); }

.prose ul, .prose ol { margin: 0 0 var(--sp-5); padding-left: var(--sp-6); }
.prose ul { list-style: none; padding-left: 0; }
.prose ul > li {
    position: relative;
    padding-left: var(--sp-6);
    margin-bottom: var(--sp-3);
}
.prose ul > li::before {
    content: '';
    position: absolute;
    left: 0;
    top: .6em;
    width: 7px; height: 7px;
    border-radius: 1px;
    background: var(--kgp-orange);
}
.prose ol { list-style: decimal; }
.prose ol > li { margin-bottom: var(--sp-3); padding-left: var(--sp-2); }
.prose ol > li::marker { color: var(--kgp-orange); font-weight: var(--fw-bold); }
.prose li > ul, .prose li > ol { margin-top: var(--sp-3); margin-bottom: 0; }

.prose img {
    margin: var(--sp-6) auto;
    border-radius: var(--radius);
}
.prose figure { margin: var(--sp-6) 0; }
.prose figcaption {
    margin-top: var(--sp-3);
    font-size: var(--fs-2);
    color: var(--kgp-muted);
    text-align: center;
}

.prose blockquote {
    margin: var(--sp-6) 0;
    padding: var(--sp-5) var(--sp-6);
    background: var(--kgp-orange-tint);
    border-left: 3px solid var(--kgp-orange);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: var(--fs-5);
    color: var(--kgp-brown);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose table {
    width: 100%;
    margin: var(--sp-6) 0;
    border-collapse: collapse;
    font-size: var(--fs-3);
}
.prose table th, .prose table td {
    padding: var(--sp-3) var(--sp-4);
    border: 1px solid var(--kgp-line);
    text-align: left;
}
.prose table th { background: var(--kgp-sand); color: var(--kgp-brown); font-weight: var(--fw-semibold); }
.prose table tbody tr:nth-child(even) { background: #FCFBFA; }

/* Bọc bảng rộng để cuộn ngang thay vì phá layout */
.prose .table-responsive, .prose figure.table { overflow-x: auto; }

.prose iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    border: 0;
    border-radius: var(--radius);
    margin: var(--sp-6) 0;
}

/* Mục lục tự sinh (taomucluc) */
#mucluc-pnvn {
    background: var(--kgp-sand) !important;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius) !important;
    padding: var(--sp-5) !important;
    margin: 0 var(--sp-6) var(--sp-6) 0 !important;
    max-width: 380px;
}
.mucluc-pnvn a { color: var(--kgp-ink-2) !important; text-decoration: none; font-size: var(--fs-3); }
.mucluc-pnvn a:hover { color: var(--kgp-orange) !important; }
.mucluc-pnvn > li > a { color: var(--kgp-brown) !important; font-weight: var(--fw-semibold); }
.mucluc-pnvn span { color: var(--kgp-orange); font-weight: var(--fw-bold); }

/* =====================================================================
   23. UTILITIES
   ===================================================================== */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--sp-6);
}
.grid-cards--2 { grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); }
.grid-cards--4 { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }

.ratio-4x3  { aspect-ratio: 4 / 3;  object-fit: cover; width: 100%; }
.ratio-16x9 { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.ratio-1x1  { aspect-ratio: 1 / 1;  object-fit: cover; width: 100%; }

.img-cover { width: 100%; height: 100%; object-fit: cover; }
.rounded-kgp { border-radius: var(--radius); overflow: hidden; }

/* Ảnh bo góc lệch — dùng ở block "Giới thiệu ngắn" */
.img-offset {
    position: relative;
    border-radius: var(--radius-lg) var(--radius) var(--radius-lg) var(--radius);
    overflow: hidden;
}
.img-offset::after {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 0 1px rgba(36, 28, 24, .08);
    border-radius: inherit;
}

/* Checklist */
.checklist li {
    position: relative;
    padding-left: var(--sp-7);
    margin-bottom: var(--sp-3);
    font-size: var(--fs-4);
}
.checklist li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 1px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--kgp-orange-tint);
    color: var(--kgp-orange);
    font-size: .625rem;
}
.section--brown .checklist li::before { background: rgba(var(--kgp-orange-rgb), .18); }

/* Clamp dòng */
.clamp-1, .clamp-2, .clamp-3, .clamp-4 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.clamp-1 { -webkit-line-clamp: 1; }
.clamp-2 { -webkit-line-clamp: 2; }
.clamp-3 { -webkit-line-clamp: 3; }
.clamp-4 { -webkit-line-clamp: 4; }

/* Divider dọc trên nền nâu */
.divider-soft { border-color: var(--kgp-brown-soft) !important; }

.no-result {
    padding: var(--sp-10) var(--sp-5);
    text-align: center;
    border: 1px dashed var(--kgp-line);
    border-radius: var(--radius);
    color: var(--kgp-muted);
}
.no-result i { font-size: 2rem; color: var(--kgp-line); margin-bottom: var(--sp-4); }

/* Cột sidebar dính — dùng position:sticky của CSS thay vì thư viện JS,
   nhờ vậy hoạt động trên MỌI trang mà không cần nạp thêm script. */
@media (min-width: 992px) {
    .sticky {
        position: sticky;
        top: calc(var(--header-h-sm) + var(--sp-6));
        align-self: flex-start;
    }
}

/* Sidebar dùng ở trang tin / dự án */
.widget {
    padding: var(--sp-6);
    background: var(--kgp-sand);
    border-radius: var(--radius);
    margin-bottom: var(--sp-6);
}
.widget:last-child { margin-bottom: 0; }
.widget__title {
    margin-bottom: var(--sp-5);
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--kgp-line);
    font-size: var(--fs-5);
}

/* Điều hướng danh mục cùng cấp trong sidebar */
.side-nav > li + li { border-top: 1px solid var(--kgp-line); }
.side-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    padding: var(--sp-3) 0;
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-medium);
    color: var(--kgp-ink-2);
    transition: color var(--t-fast), padding-left var(--t-fast);
}
.side-nav a i { font-size: .7em; color: var(--kgp-orange); opacity: 0; transition: opacity var(--t-fast); }
.side-nav a:hover { color: var(--kgp-orange); padding-left: 4px; }
.side-nav a:hover i { opacity: 1; }
.side-nav a.is-active {
    color: var(--kgp-orange);
    font-weight: var(--fw-semibold);
}
.side-nav a.is-active i { opacity: 1; }

/* Bài viết rút gọn (sidebar) */
.post-mini > li {
    display: flex;
    gap: var(--sp-3);
    padding-bottom: var(--sp-4);
    margin-bottom: var(--sp-4);
    border-bottom: 1px solid var(--kgp-line);
}
.post-mini > li:last-child { padding-bottom: 0; margin-bottom: 0; border-bottom: 0; }
.post-mini__media {
    flex: 0 0 84px;
    width: 84px;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--kgp-line-2);
}
.post-mini__media img { width: 100%; height: 100%; object-fit: cover; }
.post-mini__title {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--fs-3);
    font-weight: var(--fw-semibold);
    line-height: var(--lh-snug);
    color: var(--kgp-brown);
    margin-bottom: var(--sp-1);
}
.post-mini__title:hover { color: var(--kgp-orange); }
.post-mini__date { font-size: var(--fs-2); color: var(--kgp-muted); }

/* Meta bài viết (ngày · lượt xem · danh mục) */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3) var(--sp-6);
    padding-bottom: var(--sp-4);
    margin-bottom: var(--sp-5);
    border-bottom: 1px solid var(--kgp-line);
    font-size: var(--fs-2);
    color: var(--kgp-muted);
}
.article-meta span { display: inline-flex; align-items: center; gap: var(--sp-2); }
.article-meta i { color: var(--kgp-orange); }

/* Dải chia sẻ */
.share-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sp-3);
}
.share-row__label {
    font-family: var(--font-heading);
    font-size: var(--fs-2);
    font-weight: var(--fw-bold);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--kgp-muted);
    margin-right: var(--sp-2);
}
.share-row__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    color: var(--kgp-brown);
    transition: all var(--t-fast);
}
.share-row__btn:hover {
    background: var(--kgp-brown);
    border-color: var(--kgp-brown);
    color: #fff;
}

/* Khung bản đồ trong cột */
.map-box {
    border: 1px solid var(--kgp-line);
    border-radius: var(--radius);
    overflow: hidden;
    line-height: 0;
}
.map-box iframe { width: 100%; border: 0; display: block; }

/* Bản đồ dải rộng toàn màn hình (trang Liên hệ) */
.map-band {
    line-height: 0;
    border-top: 1px solid var(--kgp-line);
    filter: grayscale(.15);
}
.map-band iframe {
    width: 100%;
    height: 460px;
    border: 0;
    display: block;
}
@media (max-width: 767.98px) {
    .map-band iframe { height: 320px; }
}

/* =====================================================================
   24. ANIMATION · REVEAL ON SCROLL
   ===================================================================== */
/* Chỉ ẩn khi JS đã chạy và bật hiệu ứng (html.has-reveal).
   Nếu JS lỗi / bị chặn / IntersectionObserver không kích hoạt thì nội dung
   vẫn hiển thị bình thường — không bao giờ để trang trắng vì hiệu ứng. */
.has-reveal [data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.has-reveal [data-reveal].is-in { opacity: 1; transform: none; }
.has-reveal [data-reveal][data-reveal-delay="1"] { transition-delay: .08s; }
.has-reveal [data-reveal][data-reveal-delay="2"] { transition-delay: .16s; }
.has-reveal [data-reveal][data-reveal-delay="3"] { transition-delay: .24s; }
.has-reveal [data-reveal][data-reveal-delay="4"] { transition-delay: .32s; }
.has-reveal [data-reveal][data-reveal-delay="5"] { transition-delay: .40s; }

/* =====================================================================
   25. RESPONSIVE
   ===================================================================== */
@media (max-width: 1199.98px) {
    :root { --header-h: 76px; }
    .main-nav > li > a { padding: var(--sp-3); font-size: var(--fs-3); }
    .mega { width: min(760px, calc(100vw - var(--sp-7))); padding: var(--sp-6); }
    .mega__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mega__promo { display: none; }
}

@media (max-width: 991.98px) {
    :root { --header-h: 68px; --header-h-sm: 60px; }

    .main-nav,
    .header-hotline { display: none; }
    .nav-toggle { display: inline-flex; }

    .topbar__inner { justify-content: center; }
    .topbar__list { justify-content: center; }
    .topbar__list li:not(:first-child):not(.always-show) { display: none; }

    .brand img { height: 42px; }
    .site-header.is-stuck .brand img { height: 38px; }

    .site-footer__main { padding: var(--sp-9) 0 var(--sp-7); }
    .f-about { max-width: none; }

    .hero__slide { min-height: clamp(400px, 60vh, 520px); }
    .hero .swiper-button-prev, .hero .swiper-button-next { display: none; }

    .stat-grid > * + * { border-left: 0; }
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sp-2);
    }
}

@media (max-width: 767.98px) {
    :root { --section-py: clamp(2.75rem, 8vw, 3.5rem); }

    .container { padding-left: var(--sp-4); padding-right: var(--sp-4); }

    .section-head { margin-bottom: var(--sp-6); }
    .section-head--row { align-items: flex-start; }

    .card-kgp__body { padding: var(--sp-5); }
    .card-service { padding: var(--sp-6) var(--sp-5); }
    .card-project__info { padding: var(--sp-5); }
    .card-project__meta { max-height: 120px; opacity: 1; }   /* mobile: hiện luôn */

    .hero-strip__item { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .12); }
    .hero-strip__item:first-child { border-top: 0; }

    /* Nhãn tagline dài -> xuống 3 dòng trong pill, ẩn trên mobile */
    .hero__eyebrow { display: none; }
    .hero__desc { font-size: var(--fs-4); }

    .table-spec th { width: 42%; }

    .floating-support {
        gap: var(--sp-2);
        left: var(--sp-3);
        bottom: var(--sp-3);
    }
    .floating-support__btn { width: 42px; height: 42px; font-size: 1rem; }
    /* Bớt nút để không chèn lên CTA trong nội dung */
    .floating-support__btn--mail { display: none; }
    .scroll-top { width: 40px; height: 40px; right: var(--sp-3); bottom: var(--sp-3); }

    .page-banner { padding: var(--sp-9) 0 var(--sp-7); }
    #mucluc-pnvn { float: none !important; max-width: none; margin-right: 0 !important; }
}

@media (max-width: 575.98px) {
    .hero__cta .btn-kgp { flex: 1 1 100%; }
    .stat-grid { grid-template-columns: 1fr; }
    .card-job { padding: var(--sp-4); gap: var(--sp-4); }
    .card-job .btn-kgp { width: 100%; }
}

/* =====================================================================
   26. ACCESSIBILITY · PRINT
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
    .has-reveal [data-reveal] { opacity: 1; transform: none; }
    .marquee__track { animation: none; }
}

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

.skip-link {
    position: absolute;
    top: -60px;
    left: var(--sp-4);
    z-index: 9999;
    padding: var(--sp-3) var(--sp-5);
    background: var(--kgp-orange);
    color: #fff;
    border-radius: 0 0 var(--radius) var(--radius);
    transition: top var(--t-fast);
}
.skip-link:focus { top: 0; color: #fff; }

@media print {
    .topbar, .site-header, .site-footer, .floating-support,
    .scroll-top, .drawer, .backdrop, .hero .swiper-button-prev,
    .hero .swiper-button-next, .hero .swiper-pagination { display: none !important; }
    body { color: #000; background: #fff; font-size: 12pt; }
    a { color: #000; text-decoration: underline; }
    .section { padding: 12pt 0; }
    .card-kgp, .table-wrap { break-inside: avoid; border-color: #999; }
}