/* ==========================================================================
   SALA HOLDINGS - TRANG VỀ CHÚNG TÔI (page-about.php)
   Chuẩn 100% Thiết Kế Gốc: Thông Điệp, Tầm Nhìn Sứ Mệnh, Giá Trị Cốt Lõi 3D, Bento Grid
   ========================================================================== */

:root {
    --sala-navy-deep: #030E29;
    --sala-navy: #0B2D6E;
    --sala-blue-royal: #0D419E;
    --sala-blue-bright: #1877F2;
    --sala-cyan-glow: #67E8F9;
    --sala-gold-light: #FFF3C4;
    --sala-gold-mid: #E5B85B;
    --sala-gold-dark: #A67114;
    --sala-font-heading: 'Montserrat', 'Be Vietnam Pro', sans-serif;
    --sala-font-body: 'Be Vietnam Pro', sans-serif;
}

.sala-about-page {
    font-family: var(--sala-font-body);
    color: #1E293B;
    background-color: #FFFFFF;
    overflow-x: hidden;
}

.sala-container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* ==========================================================================
   1. KHỐI HERO: THÔNG ĐIỆP NHÀ SÁNG LẬP & CHÂN DUNG CHỦ TỊCH
   ========================================================================== */
.sala-about-hero {
    position: relative;
    padding: 122px 0 64px;
    background: radial-gradient(circle at 72% 38%, #0E3B8C 0%, #061A47 52%, #020A20 100%);
    color: #FFFFFF;
    overflow: hidden;
}

.sala-about-hero__glow-left {
    position: absolute;
    top: 110px;
    left: 6%;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(29, 126, 255, 0.24) 0%, transparent 70%);
    pointer-events: none;
}

.sala-about-hero__glow-right {
    position: absolute;
    bottom: -40px;
    right: 8%;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.22) 0%, transparent 70%);
    pointer-events: none;
}

.sala-founder-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 5.5fr 4.5fr;
    gap: 34px;
    align-items: stretch;
}

/* Cột Trái: Tiêu đề & Hộp kính 5 đoạn thông điệp */
.sala-founder-header {
    margin-bottom: 22px;
    padding-left: 12px;
}

.sala-founder-sub {
    display: block;
    font-family: var(--sala-font-heading);
    font-size: clamp(20px, 2.2vw, 25px);
    font-weight: 500;
    color: #FFFFFF;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.sala-founder-title {
    font-family: var(--sala-font-heading);
    font-size: clamp(32px, 3.6vw, 42px);
    font-weight: 800;
    margin: 0 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    background: linear-gradient(90deg, #38BDF8 0%, #2584FF 55%, #60A5FA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sala-founder-tagline {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    font-weight: 400;
}

.sala-founder-glass-box {
    background: linear-gradient(180deg, rgba(16, 56, 132, 0.58) 0%, rgba(8, 30, 78, 0.72) 100%);
    border: 1px solid rgba(96, 165, 250, 0.35);
    border-radius: 16px;
    padding: 26px 28px 26px 24px;
    box-shadow: 0 18px 42px rgba(0, 0, 0, 0.32), inset 0 1px 1px rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
}

.sala-founder-timeline {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Đường kẻ dọc mờ nối các chấm tròn phát sáng */
.sala-founder-timeline::before {
    content: '';
    position: absolute;
    top: 10px;
    bottom: 18px;
    left: 6px;
    width: 1px;
    background: linear-gradient(180deg, rgba(96, 165, 250, 0.65) 0%, rgba(96, 165, 250, 0.15) 100%);
}

.sala-founder-timeline li {
    position: relative;
    padding-left: 24px;
}

.sala-glow-dot {
    position: absolute;
    left: 2px;
    top: 6px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #60A5FA;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.28), 0 0 10px #67E8F9;
}

.sala-founder-timeline p {
    margin: 0;
    font-size: 12.5px;
    line-height: 1.62;
    color: rgba(255, 255, 255, 0.92);
    text-align: justify;
}

/* Cột Phải: Khung Vát Góc Chân Dung Chủ Tịch */
.sala-founder-portrait-col {
    display: flex;
    align-items: stretch;
}

.sala-portrait-chamfer-frame {
    position: relative;
    width: 100%;
    min-height: 550px;
    clip-path: polygon(19% 0%, 100% 0%, 100% 100%, 0% 100%, 0% 15%);
    border-radius: 22px;
    background: radial-gradient(circle at 50% 35%, rgba(28, 92, 198, 0.65) 0%, rgba(8, 29, 76, 0.92) 85%);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.45);
}

.sala-portrait-border-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 4;
}

.sala-portrait-skyline-bg {
    position: absolute;
    inset: 20px 10px 0 10px;
    pointer-events: none;
    z-index: 1;
}

.sala-portrait-skyline-bg svg {
    width: 100%;
    height: 100%;
}

.sala-portrait-img-wrap {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 495px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.sala-portrait-img {
    max-width: 92%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    filter: contrast(1.04);
}

.sala-change-founder-img-btn {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 10;
    background: rgba(6, 26, 68, 0.85);
    border: 1px dashed #F5DC9B;
    color: #F5DC9B;
    padding: 6px 12px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

/* Bảng Tên Kính Mờ (Nameplate) dưới chân dung */
.sala-founder-nameplate {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 20px;
    z-index: 5;
    padding: 16px 24px;
    border-radius: 12px;
    background: linear-gradient(90deg, rgba(6, 24, 66, 0.88) 0%, rgba(16, 56, 130, 0.72) 100%);
    border: 1px solid rgba(125, 211, 252, 0.45);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.38);
}

.sala-founder-nameplate__name {
    display: block;
    font-family: var(--sala-font-heading);
    font-size: clamp(20px, 2.2vw, 24px);
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: 0.03em;
    margin-bottom: 3px;
    text-transform: uppercase;
}

.sala-founder-nameplate__role {
    display: block;
    font-family: var(--sala-font-heading);
    font-size: 11.5px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ==========================================================================
   2. KHỐI TRIẾT LÝ 2 CỘT + TẦM NHÌN & SỨ MỆNH
   ========================================================================== */
.sala-about-philosophy {
    padding: 68px 0 46px;
    background: #FFFFFF;
}

.sala-philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 52px;
    align-items: start;
    margin-bottom: 44px;
}

.sala-phil-heading {
    margin: 0 0 16px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    text-transform: uppercase;
}

.sala-phil-heading .bold-line {
    font-family: var(--sala-font-heading);
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 800;
    color: var(--sala-navy);
    line-height: 1.22;
}

.sala-phil-heading .thin-line {
    font-family: var(--sala-font-heading);
    font-size: clamp(20px, 2.3vw, 26px);
    font-weight: 300;
    color: #1E4E9E;
    line-height: 1.25;
}

.sala-phil-divider {
    display: block;
    width: 120px;
    height: 1.5px;
    background: #93C5FD;
    margin-bottom: 20px;
}

.sala-phil-body p {
    font-size: 13.5px;
    line-height: 1.68;
    color: #334155;
    margin: 0 0 14px;
    text-align: justify;
}

.sala-phil-body p.is-strong-navy {
    font-weight: 700;
    color: var(--sala-navy);
}

/* 2 Thẻ TẦM NHÌN & SỨ MỆNH */
.sala-vm-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 34px;
}

.sala-vm-card {
    position: relative;
    border-radius: 16px;
    padding: 26px 30px;
    background: radial-gradient(circle at 20% 20%, #103F96 0%, #072158 58%, #041235 100%);
    border: 1.5px solid #4EA2FF;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: 24px;
    overflow: hidden;
    box-shadow: 0 16px 36px rgba(6, 26, 71, 0.22);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sala-vm-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 44px rgba(6, 26, 71, 0.32);
}

/* Điểm phát sáng Lens Flare ở góc thẻ giống thiết kế */
.vm-flare {
    position: absolute;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124, 231, 255, 0.55) 0%, transparent 70%);
    pointer-events: none;
}

.vm-flare--tl { top: -45px; left: -45px; }
.vm-flare--br { bottom: -45px; right: -45px; }

.sala-vm-card__hex-icon {
    width: 78px;
    height: 86px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 12px rgba(103, 232, 249, 0.45));
}

.sala-vm-card__hex-icon svg {
    width: 100%;
    height: 100%;
}

.sala-vm-card__title {
    font-family: var(--sala-font-heading);
    font-size: 22px;
    font-weight: 800;
    margin: 0 0 8px;
    text-transform: uppercase;
    background: linear-gradient(90deg, #67E8F9 0%, #3B82F6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sala-vm-card__desc {
    font-size: 12.5px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    text-align: justify;
}

/* ==========================================================================
   3. GIÁ TRỊ CỐT LÕI (CHUẨN 100% FILE PDF: LỤC GIÁC VÀNG 3D NẰM NGANG & 5 TRỤ PHA LÊ)
   ========================================================================== */
.sala-about-core-values {
    position: relative;
    padding: 58px 0 74px;
    background:
        radial-gradient(circle at 50% 56%, rgba(219, 234, 254, 0.65) 0%, rgba(241, 247, 255, 0.4) 48%, #FFFFFF 75%),
        linear-gradient(180deg, #FFFFFF 0%, #F4F8FF 52%, #FFFFFF 100%);
    overflow: hidden;
}

/* Đường vân sóng ánh sáng chìm phía sau */
.sala-cv-bg-waves {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(ellipse at 15% 25%, rgba(191, 219, 254, 0.35) 0%, transparent 55%),
        radial-gradient(ellipse at 88% 75%, rgba(191, 219, 254, 0.38) 0%, transparent 55%);
    pointer-events: none;
}

.sala-cv-header {
    position: relative;
    z-index: 2;
    margin-bottom: 18px;
}

.sala-cv-title {
    font-family: var(--sala-font-heading);
    font-size: clamp(28px, 3.2vw, 36px);
    font-weight: 800;
    color: #072054;
    margin: 0 0 10px;
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

.sala-cv-subtitle {
    font-size: 14.5px;
    line-height: 1.55;
    color: #1D68E8;
    max-width: 420px;
    margin: 0 0 14px;
    font-weight: 400;
}

/* Thanh gạch chân đôi Vàng cam + Xanh nhạt dưới tiêu đề chuẩn PDF */
.sala-cv-underline {
    display: flex;
    align-items: center;
    height: 3px;
}

.sala-cv-underline .gold-bar {
    width: 34px;
    height: 2.5px;
    background: #DF9E2B;
    border-radius: 2px;
}

.sala-cv-underline .blue-bar {
    width: 76px;
    height: 1.5px;
    background: #BFDBFE;
}

/* Bố cục 3 cột chính */
.sala-cv-interactive-stage {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 3.15fr 5.7fr 3.15fr;
    gap: 12px;
    align-items: center;
}

.sala-cv-side-col {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

/* --------------------------------------------------------------------------
   3.1 NĂM THẺ MÔ TẢ HAI BÊN (01, 02 TRÁI & 03, 04, 05 PHẢI)
   -------------------------------------------------------------------------- */
.sala-cv-info-card {
    background: #FFFFFF;
    border: 1px solid #E6EEF9;
    border-radius: 14px;
    padding: 18px 20px 18px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    box-shadow: 0 12px 32px rgba(11, 45, 110, 0.06);
    transition: all 0.32s cubic-bezier(0.16, 1, 0.3, 1);
}

.sala-cv-info-card:hover {
    transform: translateY(-3px);
    border-color: #93C5FD;
    box-shadow: 0 16px 36px rgba(11, 45, 110, 0.11);
}

.sala-cv-info-card.is-selected,
.sala-cv-info-card.is-gold {
    border-color: #EAB308;
    background: linear-gradient(90deg, #FFFDF7 0%, #FFFFFF 100%);
    box-shadow: 0 16px 36px rgba(212, 164, 73, 0.2);
    transform: translateY(-2px) scale(1.02);
}

/* Khối lục giác chứa số 01-05 trong thẻ */
.sala-cv-info-card__hex {
    width: 44px;
    height: 48px;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    background: linear-gradient(180deg, #0D388A 0%, #061D4F 100%);
    color: #FFFFFF;
    font-family: var(--sala-font-heading);
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 6px 14px rgba(6, 29, 79, 0.25);
    transition: all 0.3s ease;
}

.sala-cv-info-card.is-selected .sala-cv-info-card__hex,
.sala-cv-info-card.is-gold .sala-cv-info-card__hex {
    background: linear-gradient(180deg, #EAB308 0%, #A16207 100%);
    box-shadow: 0 6px 14px rgba(180, 116, 18, 0.35);
}

.sala-cv-info-card__body {
    flex: 1;
    min-width: 0;
}

.sala-cv-info-card__body h3 {
    font-family: var(--sala-font-heading);
    font-size: 12px;
    font-weight: 800;
    color: #082052;
    margin: 0 0 6px;
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

/* Đường kẻ ngang mảnh dưới tiêu đề thẻ giống bản PDF */
.cv-card-divider {
    display: block;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, #CBD5E1 0%, rgba(203, 213, 225, 0.2) 100%);
    margin-bottom: 7px;
}

.sala-cv-info-card__body p {
    font-size: 11px;
    font-weight: 700;
    line-height: 1.48;
    color: #0B2D6E;
    margin: 0;
}

/* ==========================================================================
   3.2 SƠ ĐỒ ẢNH 3D TRUNG TÂM & 5 HOTSPOT ĐỔI MÀU VÀNG GOLD TRỰC TIẾP TRÊN ẢNH
   ========================================================================== */
.sala-cv-center-diagram--image-mode {
    position: relative;
    width: 100%;
    max-width: 520px;
    height: auto;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sala-cv-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1024 / 955; /* Đúng tỷ lệ khung ảnh Sơ đồ 3D Giá trị cốt lõi.png */
    user-select: none;
}

.sala-cv-base-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    pointer-events: none;
    mix-blend-mode: multiply; /* Giúp nền trắng của ảnh hòa quyện mượt hoàn toàn vào nền trang */
}

/* Nút Admin đổi ảnh Sơ đồ 3D */
.sala-change-cv-img-btn {
    position: absolute;
    top: 0;
    right: 10px;
    z-index: 20;
    background: rgba(6, 26, 68, 0.88);
    border: 1px dashed #F5DC9B;
    color: #F5DC9B;
    padding: 6px 13px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sala-change-cv-img-btn:hover {
    background: #F5DC9B;
    color: #061A44;
}

/* --------------------------------------------------------------------------
   5 HOTSPOT LỤC GIÁC 3D KHỚP TỌA ĐỘ 100% VỚI 5 KHỐI TRÊN ẢNH GỐC
   -------------------------------------------------------------------------- */
.sala-cv-hotspot {
    position: absolute;
    width: 19.6%;
    height: 22.8%;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    z-index: 5;
    /* Cắt đúng theo viền ngoài khối lăng trụ lục giác 3D trong ảnh gốc */
    clip-path: polygon(50% 1%, 98% 23%, 98% 78%, 50% 99%, 2% 78%, 2% 23%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), filter 0.3s ease, box-shadow 0.3s ease;
}

/* Tọa độ phần trăm chuẩn xác của từng ô số trên bức ảnh Sơ đồ 3D Giá trị cốt lõi.png */
.sala-cv-hotspot.hs-01 {
    top: 3.3%;
    left: 40.2%;
}

.sala-cv-hotspot.hs-02 {
    top: 29.0%;
    left: 4.5%;
}

.sala-cv-hotspot.hs-03 {
    top: 29.0%;
    left: 75.5%;
}

.sala-cv-hotspot.hs-04 {
    top: 70.6%;
    left: 10.3%;
}

.sala-cv-hotspot.hs-05 {
    top: 70.6%;
    left: 69.8%;
}

/* Khi các ô màu Xanh (01, 02, 04, 05) được Click chọn -> Chuyển sang màu Vàng Gold 3D */
.sala-cv-hotspot:not(.hs-03).is-selected,
.sala-cv-hotspot:not(.hs-03).is-gold {
    backdrop-filter: hue-rotate(168deg) saturate(1.55) brightness(1.14);
    -webkit-backdrop-filter: hue-rotate(168deg) saturate(1.55) brightness(1.14);
    background: radial-gradient(circle at 50% 40%, rgba(253, 224, 71, 0.22) 0%, rgba(217, 119, 6, 0.14) 100%);
    filter: drop-shadow(0 8px 18px rgba(234, 179, 8, 0.55));
}

/* Riêng ô 03 trong ảnh gốc đang là màu Vàng:
   Khi người dùng click sang ô khác (ô 03 không còn .is-selected) -> Tự động đổi ô 03 sang màu Xanh Lam 3D */
.sala-cv-hotspot.hs-03:not(.is-selected) {
    backdrop-filter: hue-rotate(182deg) saturate(1.55) brightness(0.95);
    -webkit-backdrop-filter: hue-rotate(182deg) saturate(1.55) brightness(0.95);
    background: radial-gradient(circle at 50% 40%, rgba(59, 130, 246, 0.16) 0%, rgba(29, 78, 216, 0.12) 100%);
}

/* Viền phát sáng nhẹ khi rê chuột hoặc khi ô số đang được chọn */
.hs-glow-ring {
    position: absolute;
    inset: 0;
    clip-path: polygon(50% 1%, 98% 23%, 98% 78%, 50% 99%, 2% 78%, 2% 23%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    box-shadow: inset 0 0 14px rgba(254, 240, 138, 0.85);
}

.sala-cv-hotspot.is-selected .hs-glow-ring,
.sala-cv-hotspot:hover .hs-glow-ring {
    opacity: 1;
}
/* ==========================================================================
   4. LĨNH VỰC HOẠT ĐỘNG (BENTO GRID 5 THẺ)
   ========================================================================== */
.sala-about-activities {
    padding: 20px 0 84px;
    background: linear-gradient(180deg, #FFFFFF 0%, #F2F7FF 100%);
}

.sala-act-header {
    margin-bottom: 32px;
}

.sala-act-title {
    font-family: var(--sala-font-heading);
    font-size: clamp(26px, 3vw, 34px);
    font-weight: 800;
    color: var(--sala-navy);
    margin: 0 0 6px;
    text-transform: uppercase;
}

.sala-act-subtitle {
    font-size: 14.5px;
    color: #2563EB;
    margin: 0;
    font-weight: 500;
}

.sala-bento-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr 1fr;
    grid-template-rows: repeat(2, 235px);
    gap: 20px;
}

.sala-bento-card {
    position: relative;
    background: #FFFFFF;
    border: 1px solid #E2ECF9;
    border-radius: 18px;
    padding: 24px 24px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(11, 45, 110, 0.06);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.sala-bento-card:hover {
    transform: translateY(-5px);
    border-color: #93C5FD;
    box-shadow: 0 18px 38px rgba(11, 45, 110, 0.12);
}

/* Thẻ 01 Kéo Dài 2 Hàng Bên Trái */
.sala-bento-card.bento-01 {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
    padding: 32px 28px;
}

.sala-bento-card__text {
    position: relative;
    z-index: 2;
    max-width: 66%;
}

.sala-bento-card.bento-01 .sala-bento-card__text {
    max-width: 88%;
}

.bento-num {
    display: inline-block;
    font-family: var(--sala-font-heading);
    font-size: 26px;
    font-weight: 800;
    color: var(--sala-navy);
    line-height: 1;
    margin-bottom: 10px;
}

.sala-bento-card.bento-01 .bento-num {
    font-size: 32px;
    margin-bottom: 22px;
}

.bento-title {
    font-family: var(--sala-font-heading);
    font-size: 14px;
    font-weight: 800;
    color: var(--sala-navy);
    line-height: 1.35;
    margin: 0 0 10px;
    text-transform: uppercase;
}

.sala-bento-card.bento-01 .bento-title {
    font-size: 16.5px;
    margin-bottom: 14px;
}

.bento-desc {
    font-size: 12px;
    line-height: 1.55;
    color: #475569;
    margin: 0;
}

/* Đồ họa minh họa 3D trong các thẻ Bento */
.sala-bento-art.art-01 {
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 8px;
    height: 220px;
    z-index: 1;
    pointer-events: none;
}

.sala-bento-art.art-01 svg {
    width: 100%;
    height: 100%;
}

.sala-bento-art.art-corner {
    position: absolute;
    right: 4px;
    bottom: 4px;
    width: 155px;
    height: 140px;
    z-index: 1;
    pointer-events: none;
}

.sala-bento-art.art-corner svg {
    width: 100%;
    height: 100%;
}

.sala-bento-art.art-buildings {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 52%;
    height: 78%;
    z-index: 1;
    pointer-events: none;
    mask-image: linear-gradient(120deg, transparent 8%, #000 48%);
    -webkit-mask-image: linear-gradient(120deg, transparent 8%, #000 48%);
}

.sala-bento-art.art-buildings img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================================================
   5. ADMIN FRONTEND LIVE EDITOR
   ========================================================================== */
.sala-about-page.is-inline-editing [data-edit-key] {
    outline: 1.5px dashed #38BDF8;
    outline-offset: 3px;
    border-radius: 4px;
    cursor: text;
}

.sala-admin-live-dock {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(4, 19, 53, 0.96);
    border: 1px solid rgba(147, 197, 253, 0.4);
    padding: 10px 14px;
    border-radius: 999px;
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.45);
}

.sala-admin-btn {
    border: none;
    border-radius: 999px;
    padding: 8px 14px;
    font-family: var(--sala-font-body);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
}

.sala-admin-btn--toggle { background: #1E3A8A; color: #FFFFFF; }
.sala-admin-btn--toggle.is-active { background: #F59E0B; color: #041335; }
.sala-admin-btn--drawer { background: #FFFFFF; color: #0B2D6E; }
.sala-admin-btn--save { background: #10B981; color: #FFFFFF; }
.sala-admin-save-status { font-size: 12px; color: #A7F3D0; font-weight: 600; }

.sala-admin-drawer {
    position: fixed;
    top: 0;
    right: -450px;
    width: 420px;
    max-width: 92vw;
    height: 100vh;
    background: #FFFFFF;
    z-index: 10000;
    box-shadow: -15px 0 45px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    transition: right 0.32s ease;
}

.sala-admin-drawer.is-open { right: 0; }
.sala-admin-drawer__header {
    padding: 18px 22px;
    background: #061A44;
    color: #FFFFFF;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.sala-admin-drawer__close { background: none; border: none; color: #FFF; font-size: 26px; cursor: pointer; }
.sala-admin-drawer__body { flex: 1; overflow-y: auto; padding: 18px 22px; display: flex; flex-direction: column; gap: 12px; }
.sala-admin-field { display: flex; flex-direction: column; gap: 4px; }
.sala-admin-field label { font-size: 11.5px; font-weight: 700; color: #0B2D6E; }
.sala-admin-field input, .sala-admin-field textarea { padding: 8px 10px; border: 1px solid #CBD5E1; border-radius: 6px; font-size: 12.5px; }
.sala-admin-drawer__footer { padding: 14px 22px; border-top: 1px solid #E2E8F0; }

/* ==========================================================================
   6. RESPONSIVE TABLET & MOBILE
   ========================================================================== */
@media (max-width: 1024px) {
    .sala-founder-grid,
    .sala-philosophy-grid,
    .sala-vm-cards-grid,
    .sala-cv-interactive-stage {
        grid-template-columns: 1fr;
    }

    .sala-bento-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }

    .sala-bento-card.bento-01 {
        grid-column: 1 / -1;
        min-height: 360px;
    }

    .sala-bento-card {
        min-height: 220px;
    }
}

@media (max-width: 640px) {
    .sala-cv-center-diagram {
        transform: scale(0.76);
        margin: -36px auto;
    }

    .sala-bento-grid {
        grid-template-columns: 1fr;
    }
}
/* ==========================================================================
   CẬP NHẬT ABOUT US THEO FEEDBACK 1 (TRANG 9, 10, 11)
   ========================================================================== */

/* 1. BÀI VIẾT TRIẾT LÝ: FONT THANH MẢNH HƠN & HIGHLIGHT ĐÚNG CỤM TỪ (Trang 9) */
.sala-phil-heading .bold-line {
    font-weight: 800;
    letter-spacing: 0.01em;
}
.sala-phil-heading .thin-line {
    font-weight: 300;
    color: #1D4ED8;
}
.sala-phil-body p {
    font-size: 13.8px;
    font-weight: 300;
    line-height: 1.72;
    color: #334155;
    text-align: justify;
}
.sala-phil-body .hl-navy,
.sala-phil-body p.is-strong-navy {
    font-weight: 700;
    color: #072054;
}

/* 2. CÁC Ô GIÁ TRỊ CỐT LÕI (01-05): ĐỘ TRONG SUỐT CAO HƠN CHUẨN THIẾT KẾ (Trang 10) */
.sala-cv-info-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.62) 0%, rgba(240, 247, 255, 0.45) 100%) !important;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.85) !important;
    box-shadow:
        0 10px 28px rgba(15, 58, 138, 0.05),
        inset 0 1px 1px rgba(255, 255, 255, 0.9) !important;
}
.sala-cv-info-card.is-selected,
.sala-cv-info-card.is-gold {
    background: linear-gradient(135deg, rgba(255, 252, 235, 0.78) 0%, rgba(255, 255, 255, 0.6) 100%) !important;
    border: 1.5px solid rgba(234, 179, 8, 0.75) !important;
    box-shadow: 0 14px 32px rgba(212, 164, 73, 0.16) !important;
}

/* 3. BENTO 5 LĨNH VỰC HOẠT ĐỘNG: HÌNH MINH HỌA TÁCH NỀN & LINK BACKLINK (Trang 11) */
a.sala-bento-card {
    text-decoration: none;
    color: inherit;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.88) 0%, rgba(242, 248, 255, 0.75) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(219, 234, 254, 0.9);
}
.sala-bento-cutout-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: right bottom;
    display: block;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
a.sala-bento-card:hover .sala-bento-cutout-img {
    transform: scale(1.06) translateY(-3px);
}
.sala-bento-pick-img {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 15;
    background: rgba(6, 26, 68, 0.85);
    color: #F5DC9B;
    border: 1px dashed #F5DC9B;
    border-radius: 99px;
    padding: 4px 10px;
    font-size: 10.5px;
    font-weight: 700;
    cursor: pointer;
}
/* =====================================================================
   CHỈNH SỬA LĨNH VỰC HOẠT ĐỘNG GIỐNG HỆT FILE PDF BÊN PHẢI
   ===================================================================== */

/* 1. Nền tổng thể chuyển sắc xanh băng nhạt */
.sala-about-activities {
    background: linear-gradient(180deg, #ebf4fc 0%, #d5e6f7 100%) !important;
    padding: 50px 0 65px !important;
}

/* 2. Tiêu đề section */
.sala-act-header {
    margin-bottom: 24px !important;
    text-align: left !important;
}

.sala-act-title {
    color: #072957 !important;
    font-size: 30px !important;
    font-weight: 800 !important;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin: 0 0 6px 0 !important;
}

.sala-act-subtitle {
    color: #214d82 !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    margin: 0 !important;
}

/* 3. Lưới Bento Grid: Khít lại & chiều cao đồng đều như bản PDF */
.sala-bento-grid {
    display: grid !important;
    grid-template-columns: 1.05fr 1fr 1fr !important;
    grid-template-rows: repeat(2, 235px) !important;
    gap: 16px !important;
}

/* 4. Khung từng thẻ (Card): Nền xanh nhạt + Viền trắng dày nổi khối */
a.sala-bento-card {
    position: relative !important;
    text-decoration: none !important;
    color: inherit !important;
    background: linear-gradient(145deg, rgba(247, 251, 255, 0.92) 0%, rgba(226, 239, 252, 0.85) 100%) !important;
    backdrop-filter: blur(12px);
    border: 2px solid #ffffff !important;
    border-radius: 14px !important;
    box-shadow: 0 6px 20px rgba(7, 41, 87, 0.05) !important;
    padding: 20px 24px !important;
    overflow: hidden !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
}

/* 5. Cụm chữ bên trong thẻ */
.sala-bento-card__text {
    position: relative;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    height: 100%;
    pointer-events: none;
}

/* Số thứ tự 01 - 05 */
.sala-bento-card .bento-num {
    color: #072957 !important;
    font-size: 26px !important;
    font-weight: 800 !important;
    line-height: 1.1 !important;
    margin-bottom: 6px !important;
    display: block;
}

/* Tiêu đề từng thẻ */
.sala-bento-card .bento-title {
    color: #072957 !important;
    font-size: 14px !important;
    font-weight: 800 !important;
    line-height: 1.35 !important;
    text-transform: uppercase;
    margin: 0 0 8px 0 !important;
    max-width: 78%;
}

/* Nội dung mô tả (Giới hạn chiều ngang để không đè lên hình góc phải) */
.sala-bento-card .bento-desc {
    color: #264366 !important;
    font-size: 12.5px !important;
    line-height: 1.48 !important;
    font-weight: 500 !important;
    margin: 0 !important;
    max-width: 58% !important;
}

/* 6. TÙY CHỈNH RIÊNG CHO THẺ 01 (Cột lớn bên trái) */
a.sala-bento-card.bento-01 {
    grid-column: 1 / 2 !important;
    grid-row: 1 / span 2 !important;
    padding: 26px 28px !important;
}

a.sala-bento-card.bento-01 .bento-num {
    font-size: 32px !important;
    margin-bottom: 42px !important; /* Đẩy tiêu đề xuống đúng tầm giữa như PDF */
}

a.sala-bento-card.bento-01 .bento-title {
    font-size: 19px !important;
    line-height: 1.32 !important;
    max-width: 95% !important;
    padding-bottom: 14px !important;
    margin-bottom: 14px !important;
    position: relative;
}

/* Tự động vẽ đường kẻ ngang xanh + chấm tròn ở đầu phải dưới tiêu đề 01 bằng CSS */
a.sala-bento-card.bento-01 .bento-title::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 195px;
    height: 1.5px;
    background-color: #4a7ab0;
}

a.sala-bento-card.bento-01 .bento-title::after {
    content: "";
    position: absolute;
    left: 192px;
    bottom: -2.2px;
    width: 6px;
    height: 6px;
    background-color: #072957;
    border-radius: 50%;
}

a.sala-bento-card.bento-01 .bento-desc {
    font-size: 13px !important;
    max-width: 62% !important;
}
/* =====================================================================
   7. HIỆU ỨNG MỜ DẦN (FADE-OUT) CHO ẢNH NỀN GIỐNG HỆT THIẾT KẾ PDF
   ===================================================================== */

/* Khung chứa ảnh của Thẻ 01 (Biểu đồ lớn) */
.sala-bento-art.art-01 {
    position: absolute !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 62% !important;
    z-index: 2;
    pointer-events: none;
    /* Làm mờ dần từ trên xuống và từ trái sang phải */
    -webkit-mask-image: linear-gradient(165deg, transparent 5%, rgba(0, 0, 0, 0.35) 30%, #000 60%);
    mask-image: linear-gradient(165deg, transparent 5%, rgba(0, 0, 0, 0.35) 30%, #000 60%);
}

/* Khung chứa ảnh của các Thẻ 02, 03, 04, 05 (Góc phải dưới) */
.sala-bento-art.art-corner {
    position: absolute !important;
    right: 0 !important;
    bottom: 0 !important;
    z-index: 2;
    pointer-events: none;
    /* Kết hợp làm mờ cạnh trái và cạnh trên của ảnh để hòa vào nền thẻ */
    -webkit-mask-image: 
        linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.5) 28%, #000 58%),
        linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.6) 22%, #000 45%);
    -webkit-mask-composite: source-in;
    mask-image: 
        linear-gradient(to right, transparent 0%, rgba(0, 0, 0, 0.5) 28%, #000 58%),
        linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.6) 22%, #000 45%);
    mask-composite: intersect;
}

/* Riêng thẻ 03 (ảnh tòa nhà dạng khối chữ nhật) cần độ chuyển mờ rộng hơn ở mép trái */
a.sala-bento-card.bento-03 .sala-bento-art.art-corner {
    -webkit-mask-image: 
        linear-gradient(to right, transparent 2%, rgba(0, 0, 0, 0.3) 25%, rgba(0, 0, 0, 0.8) 50%, #000 72%),
        linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 18%, #000 40%);
    -webkit-mask-composite: source-in;
    mask-image: 
        linear-gradient(to right, transparent 2%, rgba(0, 0, 0, 0.3) 25%, rgba(0, 0, 0, 0.8) 50%, #000 72%),
        linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.7) 18%, #000 40%);
    mask-composite: intersect;
}

/* Đảm bảo ảnh phủ kín góc dưới phải để đường mờ tự nhiên nhất */
.sala-bento-cutout-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: right bottom !important;
    display: block;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Thẻ 01, 04, 05 dùng contain để không bị cắt mất đỉnh biểu đồ/loa/tai nghe */
a.sala-bento-card.bento-01 .sala-bento-cutout-img,
a.sala-bento-card.bento-04 .sala-bento-cutout-img,
a.sala-bento-card.bento-05 .sala-bento-cutout-img {
    object-fit: contain !important;
}

/* 8. Responsive cho Tablet & Mobile */
@media (max-width: 991px) {
    .sala-bento-grid {
        grid-template-columns: 1fr 1fr !important;
        grid-template-rows: auto !important;
    }
    a.sala-bento-card.bento-01 {
        grid-column: 1 / span 2 !important;
        grid-row: auto !important;
        min-height: 340px;
    }
    a.sala-bento-card {
        min-height: 220px;
    }
}

@media (max-width: 575px) {
    .sala-bento-grid {
        grid-template-columns: 1fr !important;
    }
    a.sala-bento-card.bento-01 {
        grid-column: 1 / 2 !important;
    }
}