/* File: assets/css/global.css */

:root {
    /* TYPOGRAPHY ---------------------
     - font chính
     - font-weight
  -------------------------------- */
    --id4-font-main: 'Open Sans';
    --id4-font-weight-big-bold: 900;
    --id4-font-weight-small-bold: 700;
    --id4-font-weight-title: 600;
    --id4-font-weight-desript: 400;
    /* COLORS -------------------------
     - nền xám
     - màu nút
     - màu viền
  -------------------------------- */
    --id4-container-color-xam: #f5f5f7;
    --id4-button-color: #2e3192;
    --id4-bordrer-color: #2e3192;
    /* SCALE --------------------------
     - 1 biến gốc dùng chung
     - desktop mặc định: 1rem ≈ 16px
  -------------------------------- */
    --id4-unit: 1rem;
    /* FONT SIZES ---------------------
     - title: 2 * unit ≈ 32px
     - description: 1 * unit ≈ 16px
     - button: 0.875 * unit ≈ 14px
  -------------------------------- */
    --id4-font-size-title: calc(var(--id4-unit) * 2);
    --id4-font-size-desription: calc(var(--id4-unit) * 1);
    --id4-font-size-button: calc(var(--id4-unit) * 0.875);
    /* LAYOUT SIZES -------------------
     - container width: 68.75 * unit ≈ 1100px
     - header height: 5 * unit ≈ 80pxS
  -------------------------------- */
    --id4-container-width: calc(var(--id4-unit) * 68.75);
    --id4-header-height: calc(var(--id4-unit) * 5);
    /* SPACING ------------------------
     - block: 2.5 * unit ≈ 40px
     - sm: 0.5 * unit ≈ 8px
     - md: 1 * unit ≈ 16px
     - lg: 2 * unit ≈ 32px
  -------------------------------- */
    --id4-spacing-block: calc(var(--id4-unit) * 2.5);
    --id4-spacing-sm: calc(var(--id4-unit) * 0.5);
    --id4-spacing-md: calc(var(--id4-unit) * 1);
    --id4-spacing-lg: calc(var(--id4-unit) * 2);
    /* TEXT COLORS --------------------
     - title
     - description
  -------------------------------- */
    --id4-color-text-title: #2e3192;
    --id4-color-text-desription: #000000;
    /* RADIUS -------------------------
     - card: 1.75 * unit ≈ 28px
     - card small: 1 * unit ≈ 16px
  -------------------------------- */
    --id4-border-radius-card: calc(var(--id4-unit) * 1.75);
    --id4-border-radius-card-small: calc(var(--id4-unit) * 1);
    /* MISC ---------------------------
     - text indent: 1.5625 * unit ≈ 25px
  -------------------------------- */
    --id4-text-indent: calc(var(--id4-unit) * 1.5625);
    /* ARROW --------------------------
     - width: 2.5 * unit ≈ 40px
     - height: 2.1875 * unit ≈ 35px
     - border: giữ px (ổn định)
  -------------------------------- */
    --arrow-width: calc(var(--id4-unit) * 2.5);
    --arrow-height: calc(var(--id4-unit) * 2.1875);
    --arrow-border-width: 3px;
    /* BUTTON PADDING -----------------
     - height: 0.625 * unit ≈ 10px
     - width: 2.5 * unit ≈ 40px
  -------------------------------- */
    --id4-padding-height-button: calc(var(--id4-unit) * 0.625);
    --id4-padding-width-button: calc(var(--id4-unit) * 2.5);
    /* GAP ----------------
     - height: 0.625 * unit ≈ 10px
     - width: 2.5 * unit ≈ 40px
  -------------------------------- */
    --id4-gap: calc(var(--id4-unit) * 1.25);
    --id4tv-shadow: 0 calc(var(--id4-unit) * 0.625) calc(var(--id4-unit) * 0.625) rgba(0, 0, 0, .10);
}


/* --- 1. CORE RESET SCOPED --- */

#iD4_guide_CXCMC_impant_wrapper {
    /* background-color: #ffffff; */
    font-family: var(--id4-font-main);
    color: var(--id4-color-text-desription);
    line-height: 1.6;
    box-sizing: border-box;
    width: 100%;
    overflow-x: hidden;
    position: relative;
}

#iD4_guide_CXCMC_impant_wrapper * {
    box-sizing: border-box;
}

#iD4_guide_CXCMC_impant_wrapper img {
    max-width: 100%;
    height: auto;
    display: block;
}

.iD4_guide_CXCMC_impant_container {
    max-width: var(--id4-container-width);
    margin: 0 auto;
    padding: 70px 20px 0 20px;
}


/* --- 2. HEADER & TABS (UPDATED UI) --- */

.iD4_guide_CXCMC_impant_header {
    text-align: center;
    padding: 0 0 20px;
}

.iD4_guide_CXCMC_impant_header h1 {
    font-family: var(--id4-font-main);
    color: var(--id4-color-text-title);
    font-size: var(--id4-font-size-title);
    font-weight: var(--id4-font-weight-title);
    text-transform: uppercase;
    margin-bottom: 10px;
    margin-top: 0;
    line-height: 1.3;
}

.iD4_guide_CXCMC_impant_sub-header {
    font-size: var(--id4-font-size-desription);
    font-family: var(--id4-font-main);
    font-weight: var(--id4-font-weight-desript);
    max-width: var(--id4-container-width);
    color: var(--id4-color-text-desription);
    margin-bottom: var(--id4-spacing-lg);
    margin-left: auto;
    margin-right: auto;
}


/* TAB NAV - NEW PILL SHAPE STYLE */

.iD4_guide_CXCMC_impant_tab-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    margin-bottom: var(--id4-spacing-block);
    flex-wrap: nowrap;
}

.iD4_guide_CXCMC_impant_tab-btn {
    padding: var(--id4-padding-height-button) var(--id4-padding-width-button);
    font-family: var(--id4-font-main);
    border: 2px solid var(--id4-bordrer-color);
    color: var(--id4-color-text-title);
    font-weight: var(--id4-font-weight-small-bold);
    font-size: var(--id4-font-size-desription);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    border-radius: 0;
    background: transparent;
}

.iD4_guide_CXCMC_impant_tab-btn:first-child {
    border-top-left-radius: 30px;
    border-bottom-left-radius: 30px;
    border-right: none;
}

.iD4_guide_CXCMC_impant_tab-btn:last-child {
    border-top-right-radius: 30px;
    border-bottom-right-radius: 30px;
}

.iD4_guide_CXCMC_impant_tab-btn.active {
    background: var(--id4-button-color);
    color: #ffffff;
}

.iD4_guide_CXCMC_impant_tab-btn:hover:not(.active) {
    background-color: rgba(46, 49, 146, 0.05);
}


/* --- 3. TAB CONTENT HANDLING --- */

.iD4_guide_CXCMC_impant_tab-content {
    display: none;
    animation: iD4_guide_CXCMC_impant_fadeIn 0.5s;
}

.iD4_guide_CXCMC_impant_tab-content.active {
    display: block;
}

@keyframes iD4_guide_CXCMC_impant_fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* --- 4. HERO SECTION (FLEXBOX LAYOUT) --- */

.iD4_guide_CXCMC_impant_hero-section {
    display: flex;
    flex-wrap: wrap;
    gap: var(--id4-spacing-block);
    margin-bottom: 60px;
    align-items: flex-start;
    justify-content: space-between;
}

.iD4_guide_CXCMC_impant_hero-text {
    flex: 1 1 400px;
    width: 50%;
}

.iD4_guide_CXCMC_impant_hero-image {
    flex: 1 1 400px;
    width: 50%;
    background-color: #eee;
    border-radius: 12px;
    min-height: 650px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background-size: cover;
    background-position: center;
    position: relative;
}

.iD4_guide_CXCMC_impant_hero-text h2 {
    font-family: var(--id4-font-main);
    font-size: var(--id4-font-size-title);
    font-weight: var(--id4-font-weight-small-bold);
    color: var(--id4-color-text-title);
    margin-bottom: 15px;
    margin-top: 0;
    line-height: 1.3;
}

.iD4_guide_CXCMC_impant_hero-text p {
    font-family: var(--id4-font-main);
    font-weight: var(--id4-font-weight-desript);
    font-size: var(--id4-font-size-desription);
    text-indent: var(--id4-text-indent);
    text-align: justify;
}

.iD4_guide_CXCMC_impant_features-list {
    list-style: none;
    margin: 20px 0;
    padding: 0;
}

.iD4_guide_CXCMC_impant_features-list li {
    font-family: var(--id4-font-main);
    font-weight: var(--id4-font-weight-desript);
    font-size: var(--id4-font-size-desription);
    text-align: justify;
    position: relative;
    padding-left: 25px;
    margin-bottom: 15px;
}

.iD4_guide_CXCMC_impant_features-list li::before {
    content: "✔";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--id4-button-color);
    font-weight: bold;
    font-size: 1.1rem;
}


/* --- CTA BUTTONS GROUP --- */

.iD4_guide_CXCMC_impant_cta-group {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 15px;
    margin-top: 25px;
    width: 100%;
}

.iD4_guide_CXCMC_impant_btn {
    padding: var(--id4-padding-height-button) var(--id4-padding-width-button);
    font-weight: var(--id4-font-weight-small-bold);
    font-family: var(--id4-font-main);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    white-space: nowrap;
    border-radius: 30px;
}

.iD4_guide_CXCMC_impant_cta-group .iD4_guide_CXCMC_impant_btn {
    flex: 1;
    width: auto;
    min-width: 0;
    text-align: center;
}

.iD4_guide_CXCMC_impant_btn-primary {
    background-color: var(--id4-button-color);
    color: #ffffff;
    border: 1px solid var(--id4-bordrer-color);
}

.iD4_guide_CXCMC_impant_btn-primary:hover {
    opacity: 0.9;
    background-color: var(--id4-color-text-title);
    color: #ffffff;
}

.iD4_guide_CXCMC_impant_btn-outline {
    background-color: transparent;
    color: var(--id4-button-color);
    border: 1px solid var(--id4-bordrer-color);
}

.iD4_guide_CXCMC_impant_btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.iD4_guide_CXCMC_impant_certification-badge {
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 20px;
    margin: 20px;
    border-radius: var(--id4-border-radius-card-small);
    font-size: 0.8rem;
    font-weight: var(--id4-font-weight-title);
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}


/* --- 5. VIDEO SECTION --- */

.iD4_guide_CXCMC_impant_video-section {
    display: flex;
    flex-wrap: wrap;
    gap: var(--id4-spacing-block);
    margin-bottom: 60px;
    align-items: center;
}

.iD4_guide_CXCMC_impant_video-placeholder {
    flex: 1 1 400px;
    width: 50%;
    background-color: #000;
    border-radius: 12px;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.iD4_guide_CXCMC_impant_video-text {
    flex: 1 1 400px;
    width: 50%;
}

.iD4_guide_CXCMC_impant_video-text h3 {
    font-family: var(--id4-font-main);
    font-size: var(--id4-font-size-title);
    font-weight: var(--id4-font-weight-small-bold);
    color: var(--id4-color-text-title);
    text-align: justify;
    margin-bottom: 15px;
    margin-top: 0;
    line-height: 1.3;
}

.iD4_guide_CXCMC_impant_video-text p {
    font-family: var(--id4-font-main);
    font-weight: var(--id4-font-weight-desript);
    font-size: var(--id4-font-size-desription);
    text-indent: var(--id4-text-indent);
    text-align: justify;
}


/* (giữ class play-btn, nhưng KHÔNG dùng chữ ▶ nữa - sẽ vẽ bằng ::before) */

.iD4_guide_CXCMC_impant_play-btn {
    width: 60px;
    height: 60px;
    background: rgba(46, 49, 146, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 24px;
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    z-index: 2;
}

.iD4_guide_CXCMC_impant_video-placeholder:hover .iD4_guide_CXCMC_impant_play-btn {
    transform: scale(1.1);
    background: var(--id4-button-color);
}


/* --- 6. PROCESS STEPS --- */

.iD4_guide_CXCMC_impant_process-section {
    text-align: center;
    margin-bottom: 80px;
}

.iD4_guide_CXCMC_impant_steps-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--id4-spacing-block);
    position: relative;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.iD4_guide_CXCMC_impant_steps-nav::before {
    content: "";
    position: absolute;
    top: 40px;
    left: 40px;
    right: 40px;
    height: 2px;
    background: #e0e0e0;
    z-index: -1;
}

.iD4_guide_CXCMC_impant_step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    background: #ffffff;
    padding: 0 10px;
    position: relative;
}

.iD4_guide_CXCMC_impant_step-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid #e0e0e0;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.iD4_guide_CXCMC_impant_step-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.iD4_guide_CXCMC_impant_step-label {
    font-family: var(--id4-font-main);
    font-size: var(--id4-font-size-desription);
    font-weight: var(--id4-font-weight-small-bold);
    color: var(--id4-color-text-desription);
    text-transform: uppercase;
}

.iD4_guide_CXCMC_impant_step-item.active .iD4_guide_CXCMC_impant_step-label {
    color: var(--id4-color-text-title);
}


/* --- STEP DETAIL CARD --- */

.iD4_guide_CXCMC_impant_step-detail-card {
    background: var(--id4-container-color-xam);
    border-radius: 20px;
    padding: var(--id4-spacing-block);
    display: flex;
    flex-wrap: wrap;
    gap: var(--id4-spacing-block);
    align-items: center;
    text-align: left;
}

.iD4_guide_CXCMC_impant_step-content {
    flex: 1 1 300px;
}

.iD4_guide_CXCMC_impant_step-content h3 {
    color: var(--id4-color-text-title);
    font-family: var(--id4-font-main);
    font-weight: var(--id4-font-weight-small-bold);
    font-size: var(--id4-font-size-desription);
    margin-bottom: 5px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0;
}

.iD4_guide_CXCMC_impant_step-content h4 {
    font-family: var(--id4-font-main);
    font-size: var(--id4-font-size-title);
    color: var(--id4-color-text-title);
    font-weight: var(--id4-font-weight-big-bold);
    margin-bottom: var(--id4-spacing-md);
    margin-top: 0;
}

#iD4_guide_CXCMC_impant_g-step-desc p {
    font-family: var(--id4-font-main);
    font-weight: var(--id4-font-weight-desript);
    font-size: var(--id4-font-size-desription);
    /* text-indent: var(--id4-text-indent); */
    text-align: justify;
    margin-bottom: 15px;
    margin-top: 0;
    line-height: 1.6;
}

.iD4_guide_CXCMC_impant_step-media-wrapper {
    position: relative;
    flex: 0 1 400px;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    background: #000;
}

.iD4_guide_CXCMC_impant_step-media-wrapper::before {
    content: "";
    display: block;
    padding-top: 56.25%;
}

.iD4_guide_CXCMC_impant_step-media-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.iD4_guide_CXCMC_impant_step-media-wrapper:hover img {
    opacity: 0.9;
    transform: scale(1.05);
}


/* (giữ class step-play-icon, nhưng KHÔNG dùng chữ ▶ nữa - sẽ vẽ bằng ::before) */

.iD4_guide_CXCMC_impant_step-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--id4-button-color);
    font-size: 20px;
    z-index: 2;
    pointer-events: none;
}


/* --- 7. NAV BUTTONS (Steps) --- */

.iD4_guide_CXCMC_impant_nav-buttons {
    width: 100%;
    display: flex;
    align-items: center;
    margin-top: 30px;
    padding-top: 20px;
    position: relative;
}

.iD4_guide_CXCMC_impant_dots {
    display: flex;
    gap: var(--id4-spacing-sm);
}

.iD4_guide_CXCMC_impant_dot {
    width: 40px;
    height: 10px;
    background: #ddd;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.iD4_guide_CXCMC_impant_dot.active {
    background: var(--id4-button-color);
    transform: scale(1.2);
}


/* --- DEFAULT (DESKTOP/TABLET) STYLES --- */

@media (min-width:769px) {
    .iD4_guide_CXCMC_impant_nav-buttons {
        justify-content: space-between;
    }

    .iD4_guide_CXCMC_impant_nav-buttons .iD4_guide_CXCMC_impant_btn {
        border-radius: 50px;
        min-width: 150px;
    }

    .iD4_guide_CXCMC_impant_nav-buttons .iD4_guide_CXCMC_impant_btn-outline {
        border: 1px solid var(--id4-bordrer-color);
    }
}


/* --- MOBILE STYLES --- */

@media (max-width:768px) {

    .iD4_guide_CXCMC_impant_hero-section,
    .iD4_guide_CXCMC_impant_video-section,
    .iD4_guide_CXCMC_impant_step-detail-card {
        flex-direction: column;
        align-items: stretch;
    }

    .iD4_guide_CXCMC_impant_hero-section {
        flex-direction: column-reverse;
    }

    .iD4_guide_CXCMC_impant_hero-image,
    .iD4_guide_CXCMC_impant_hero-text,
    .iD4_guide_CXCMC_impant_video-placeholder,
    .iD4_guide_CXCMC_impant_video-text,
    .iD4_guide_CXCMC_impant_step-content,
    .iD4_guide_CXCMC_impant_step-media-wrapper {
        width: 100%;
        flex: auto;
    }

    .iD4_guide_CXCMC_impant_step-media-wrapper {
        order: -1;
        margin-bottom: 20px;
    }

    .iD4_guide_CXCMC_impant_tab-nav {
        flex-direction: row;
    }

    /* FIX MOBILE: chữ không tràn khỏi pill */
    /* 1) Cho 2 nút stretch cùng chiều cao */
    #iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-nav {
        display: flex !important;
        align-items: stretch !important;
        /* QUAN TRỌNG */
        width: 100%;
        gap: 0 !important;
    }

    /* 2) Button thành flex để chữ luôn nằm giữa theo cả 2 trục */
    #iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-btn {
        flex: 1 1 0 !important;
        min-width: 0 !important;
        margin: 0 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 10px 10px !important;
        line-height: 1.15 !important;
        white-space: normal !important;
        /* cho xuống dòng */
        text-align: center !important;
    }

    /* 3) Bắt 2 nút có chiều cao tối thiểu giống nhau */
    #iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-btn {
        min-height: 52px !important;
        /* bạn có thể tăng 56px nếu muốn dày hơn */
    }

    /* 4) Dính border ở giữa (tránh hở/viền đôi) */
    #iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-btn:first-child {
        border-right: 0 !important;
    }

    #iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-btn+#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-btn {
        margin-left: -2px !important;
        /* = border 2px */
    }

    /* end FIX MOBILE: chữ không tràn khỏi pill */
    .iD4_guide_CXCMC_impant_tab-btn {
        width: auto;
        flex: 1;
        padding: 10px 5px;
        font-size: 0.9rem;
    }

    .iD4_guide_CXCMC_impant_cta-group {
        gap: 10px;
    }

    .iD4_guide_CXCMC_impant_cta-group .iD4_guide_CXCMC_impant_btn {
        padding: 10px 5px;
        font-size: 0.85rem;
        white-space: normal;
        line-height: 1.2;
    }

    .iD4_guide_CXCMC_impant_header h1 {
        font-size: 1.4rem;
    }

    .iD4_guide_CXCMC_impant_steps-nav {
        overflow-x: auto;
        justify-content: flex-start;
        gap: 15px;
        padding-bottom: 10px;
        padding-left: 5px;
        scrollbar-width: none;
    }

    .iD4_guide_CXCMC_impant_steps-nav::-webkit-scrollbar {
        display: none;
    }

    .iD4_guide_CXCMC_impant_steps-nav::before {
        display: none;
    }

    .iD4_guide_CXCMC_impant_step-icon {
        width: 75px;
        height: 75px;
        min-width: 75px;
        padding: 12px;
    }

    .iD4_guide_CXCMC_impant_nav-buttons {
        justify-content: space-between;
        gap: 15px;
        border-top: none;
        margin-top: 20px;
    }

    .iD4_guide_CXCMC_impant_nav-buttons::before {
        display: none;
    }

    .iD4_guide_CXCMC_impant_nav-buttons .iD4_guide_CXCMC_impant_btn {
        border-radius: 30px;
        padding: 12px 20px;
        font-size: 0.95rem;
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        white-space: nowrap;
        height: auto;
        width: auto;
        box-shadow: none;
        line-height: normal;
        flex-direction: row;
    }

    .iD4_guide_CXCMC_impant_nav-buttons .iD4_guide_CXCMC_impant_btn-outline {
        background-color: #ffffff;
        color: var(--id4-button-color);
        border: 1px solid var(--id4-bordrer-color);
    }

    .iD4_guide_CXCMC_impant_nav-buttons .iD4_guide_CXCMC_impant_btn-primary {
        background-color: var(--id4-button-color);
        color: #ffffff;
        border: 1px solid var(--id4-bordrer-color);
    }

    .iD4_guide_CXCMC_impant_dots {
        display: none;
    }
}


/* --- 8. VIDEO POPUP --- */

.iD4_guide_CXCMC_impant_video-modal {
    display: none;
    position: fixed;
    z-index: 999999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
    animation: iD4_guide_CXCMC_impant_fadeIn 0.3s;
}

.iD4_guide_CXCMC_impant_modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    aspect-ratio: 16/9;
    background-color: #000;
    border-radius: var(--id4-border-radius-card-small);
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.iD4_guide_CXCMC_impant_close-modal {
    color: #fff;
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1000000;
}

.iD4_guide_CXCMC_impant_modal-video-tag {
    width: 100%;
    height: 100%;
    border-radius: var(--id4-border-radius-card-small);
    object-fit: contain;
    outline: none;
}


/* =========================================================
   FIX THEO YÊU CẦU (CUỐI FILE) - ghi đè chắc chắn
   A) Step icon: BG xám / active BG xanh
   B) Play icon: vẽ tam giác bằng ::before/::after (content:"")
========================================================= */


/* FIX: xóa khoảng cách giữa 2 tab button */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-nav {
    display: inline-flex !important;
    gap: 0 !important;
}

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-btn {
    margin: 0 !important;
    /* Flatsome hay add margin cho button */
}


/* dính 2 nút lại: triệt khe do border 2px */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-btn+#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-btn {
    margin-left: -2px !important;
    /* = đúng border 2px của bạn */
}


/* tránh viền đôi ở giữa */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_tab-btn:first-child {
    border-right: 0 !important;
}


/* A) STEP ICON BG */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_step-item .iD4_guide_CXCMC_impant_step-icon {
    background: #606060 !important;
    border: 2px solid #e0e0e0 !important;
    transform: none !important;
}

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_step-item .iD4_guide_CXCMC_impant_step-icon img {
    filter: grayscale(100%) !important;
    opacity: 0.6 !important;
}

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_step-item.active .iD4_guide_CXCMC_impant_step-icon {
    background: var(--id4-button-color) !important;
    border-color: var(--id4-bordrer-color) !important;
}

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_step-item.active .iD4_guide_CXCMC_impant_step-icon img {
    filter: brightness(0) invert(1) !important;
    opacity: 1 !important;
}


/* B) PLAY ICON - bỏ ký tự ▶ (nếu còn) */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_play-btn,
#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_step-play-icon {
    font-size: 0 !important;
    /* ẩn ký tự ▶ nếu HTML còn */
    line-height: 0 !important;
}


/* chống z-index bị theme chồng */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_video-placeholder,
#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_step-media-wrapper {
    position: relative !important;
    isolation: isolate;
}


/* PLAY LỚN: absolute center, giữ nền/viền như bạn muốn */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_play-btn {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    z-index: 2 !important;
    pointer-events: none;
}


/* Tam giác PLAY LỚN */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_play-btn::before {
    content: "" !important;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-45%, -50%);
    width: 0;
    height: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 16px solid #ffffff;
    /* MÀU TAM GIÁC (PLAY LỚN) */
}


/* Glow ring PLAY LỚN */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_play-btn::after {
    content: "" !important;
    position: absolute;
    inset: -6px;
    border-radius: 999px;
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.3);
}


/* PLAY NHỎ (thumbnail step) */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_step-play-icon {
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    z-index: 2 !important;
    pointer-events: none;
}


/* Tam giác PLAY NHỎ */

#iD4_guide_CXCMC_impant_wrapper .iD4_guide_CXCMC_impant_step-play-icon::before {
    content: "" !important;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-45%, -50%);
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 13px solid var(--id4-button-color);
    /* MÀU TAM GIÁC (PLAY NHỎ) */
}