/* =========================================================
   ABOUT PAGE
   TIẾNG TRUNG HERO
========================================================= */

.about-page {
    --about-blue: #1e73be;
    --about-blue-hover: #17639f;
    --about-navy: #123d6b;

    --about-text: #60778b;
    --about-muted: #7b8fa1;

    --about-soft: #eef8fc;
    --about-soft-2: #f6fafc;

    --about-border: #d8e7ef;

    --about-page-soft: #f5f8fa;
    --about-accent: #168bf9;
    --about-accent-hover: #0b71d1;

    width: 100%;

    overflow: hidden;

    background: #ffffff;
}

/* =========================================================
   ABOUT SECTION INNER
   Cùng nguyên lý với inner của trang chủ
========================================================= */

.about-section-inner {
    width: min(calc(100% - 48px),
            1380px);

    margin-inline: auto;
}


/* =========================================================
   ABOUT HERO
========================================================= */

.about-hero {
    padding: 44px 0 64px;
    background: var(--about-page-soft);
}

.about-hero__grid {
    width: min(calc(100% - 48px), 1600px);
    display: grid;
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.25fr);
    /* Hai cột cao bằng nhau để khung media cân đúng với toàn bộ khối chữ. */
    align-items: stretch;
    gap: clamp(28px, 2.5vw, 42px);
}

.about-hero__content,
.about-hero__media {
    min-width: 0;
}

.about-hero__breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    margin: 0 0 20px;
    color: #6b7f90;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.4;
}

.about-hero__breadcrumb a {
    color: #526b7e;
    text-decoration: none;
}

.about-hero__breadcrumb a:hover {
    color: var(--about-blue);
}

.about-hero__eyebrow {
    display: block;
    margin-bottom: 13px;
    color: var(--about-blue);
    font-size: 16.5px !important;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: .14em;
}

.about-hero #about-hero-title {
    max-width: 790px;
    margin: 24px 0 18px;
    color: var(--about-navy);
    font-size: clamp(42px, 4.2vw, 64px);
    font-weight: 850;
    line-height: 1.04;
    letter-spacing: -.048em;
}

.about-hero__content>p {
    max-width: 680px;
    margin: 0;
    color: var(--about-text);
    font-size: 15px;
    line-height: 1.78;
}

.about-hero__actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 29px;
}

.about-hero__button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 21px;
    border: 1px solid transparent;
    border-radius: 11px;
    font-size: 13px;
    font-weight: 750;
    line-height: 1;
    text-decoration: none;
    transition:
        transform .2s ease,
        background-color .2s ease,
        border-color .2s ease,
        color .2s ease,
        box-shadow .2s ease;
}

.about-hero__button--primary {
    border-color:
        var(--about-accent);

    background:
        var(--about-accent);

    color:
        #ffffff;

    box-shadow:
        0 12px 28px rgba(22, 101, 249, 0.22);
}

.about-hero__button--secondary {
    border-color: #b9cfda;
    background: rgba(255, 255, 255, .72);
    color: var(--about-navy);
}

/* =========================================================
   ABOUT HERO - MEDIA
   3 LAYERS:
   1. HANZI BACKGROUND
   2. MAIN IMAGE
   3. CAPTION / BADGE
========================================================= */

/* =========================================================
   HERO IMAGE - FULL IMAGE, NO EMPTY SPACE
========================================================= */

.about-hero__media {
    min-width: 0;
    align-self: center;
}

/* Figure chỉ là wrapper sát ảnh */
.about-hero__image,
.about-hero__video-frame {
    width: 100%;
    margin: 0;
    padding: 0;

    overflow: hidden;

    border: 1px solid rgba(30, 115, 190, .14);
    border-radius: 24px;

    background: transparent;
    box-shadow: 0 18px 45px rgba(15, 63, 105, .10);

    /* QUAN TRỌNG */
    aspect-ratio: auto;
}

/* Ảnh tự quyết định chiều cao */
.about-hero__image img,
.about-hero__video-frame img {
    width: 100%;
    height: auto;

    display: block;

    margin: 0;
    padding: 0;

    border-radius: inherit;

    object-fit: initial;
    object-position: initial;
}


/* =========================================================
   LAYER 1 - HANZI BACKGROUND
========================================================= */

.about-hero__han {
    position: absolute;
    z-index: 0;

    display: block;

    font-family:
        "KaiTi",
        "STKaiti",
        "Kaiti SC",
        "FangSong",
        "Songti SC",
        "Microsoft YaHei",
        serif;

    font-weight: 400;
    line-height: .8;

    user-select: none;
    pointer-events: none;

    transform-origin: center;

    /*
     * Watermark:
     * đủ nhìn thấy nhưng không cạnh tranh với ảnh.
     */
    color: rgba(30, 115, 190, .10);

    text-shadow:
        0 12px 40px rgba(18, 61, 107, .045);
}


/* 学 = HỌC */
.about-hero__han--study {
    top: -24px;
    right: -30px;

    font-size:
        clamp(190px, 14vw, 280px);

    color:
        rgba(30, 115, 190, .105);

    transform:
        rotate(4deg);
}


/* 进 = TIẾN */
.about-hero__han--progress {
    top: 53%;
    left: -38px;

    font-size:
        clamp(125px, 9vw, 175px);

    color:
        rgba(18, 61, 107, .065);

    transform:
        translateY(-50%) rotate(-7deg);
}


/* =========================================================
   LAYER 2 - MAIN IMAGE
========================================================= */

.about-hero__image {
    position: relative;
    z-index: 2;

    width: 100%;
    height: 100%;
    flex: 1 1 auto;
    margin: 0;

    /* Desktop kéo cao bằng cột chữ; iframe/video sẽ lấp đầy toàn bộ khung. */
    aspect-ratio: auto;

    overflow: hidden;

    border-radius: 26px;

    background: #eaf4f8;

    box-shadow:
        0 26px 64px rgba(18, 61, 107, .14);
}


.about-hero__image::after {
    position: absolute;
    inset: 0;

    content: "";

    /*
     * Chỉ phủ cực nhẹ.
     * Không làm ảnh bị tối.
     */
    background: transparent;

    pointer-events: none;
}

.about-hero__video-frame iframe,
.about-hero__video-frame video {
    width: 100%;
    height: 100%;
    display: block;
    border: 0;
    object-fit: cover;
}


/* =========================================================
   LAYER 3 - CAPTION / BADGE
   Badge KHÔNG còn nằm trên ảnh
========================================================= */

.about-hero__badge {
    position: relative;
    z-index: 3;

    /*
     * Đây là thay đổi quan trọng:
     * badge nằm dưới ảnh trong document flow.
     */
    right: auto;
    bottom: auto;

    width: fit-content;
    min-width: 220px;
    max-width: calc(100% - 32px);

    display: inline-flex;
    align-items: center;
    justify-content: center;

    gap: 13px;

    margin-top: 18px;

    padding: 13px 18px;

    border:
        1px solid rgba(18, 61, 107, .09);

    border-radius: 15px;

    background:
        rgba(255, 255, 255, .92);

    box-shadow:
        0 12px 30px rgba(18, 61, 107, .08);

    backdrop-filter:
        blur(10px);

    -webkit-backdrop-filter:
        blur(10px);
}


.about-hero__badge-icon {
    width: 43px;
    height: 43px;

    flex: 0 0 43px;

    display: grid;
    place-items: center;

    border-radius: 12px;

    background:
        #e8f4fb;

    color:
        var(--about-blue);

    font-size: 15px;
}


.about-hero__badge-icon i {
    font-size: 15px;
}


.about-hero__badge small,
.about-hero__badge strong {
    display: block;
}


.about-hero__badge small {
    margin-bottom: 3px;

    color:
        var(--about-blue);

    font-size: 9px;
    font-weight: 800;

    line-height: 1.2;

    letter-spacing: .1em;

    text-transform: uppercase;
}


.about-hero__badge strong {
    color:
        var(--about-navy);

    font-size: 13.5px;
    font-weight: 700;

    line-height: 1.35;
}

@media (hover: hover) {

    .about-hero__button--primary:hover {
        transform:
            translateY(-2px);

        border-color:
            var(--about-accent-hover);

        background:
            var(--about-accent-hover);

        color:
            #ffffff;

        box-shadow:
            0 16px 32px rgba(25, 2, 236, 0.26);
    }


    .about-hero__button--secondary:hover {
        transform:
            translateY(-2px);

        border-color:
            var(--about-blue);

        color:
            var(--about-blue);
    }

}


/* =========================================================
   COMMON HEADING
========================================================= */

.about-eyebrow {
    display: block;

    color: var(--about-blue);

    font-size: 13px;
    font-weight: 800;

    line-height: 1.2;

    letter-spacing: .16em;
}


.about-heading-line {
    width: 62px;
    height: 2px;

    display: block;

    margin-top: 11px;

    border-radius: 999px;

    background: var(--about-blue);
}


.about-section-heading {
    width: min(100%, 850px);

    margin:
        0 auto 42px;

    text-align: center;
}


.about-section-heading .about-heading-line {
    margin:
        11px auto 22px;
}


.about-section-heading h2 {
    margin:
        0 0 15px;

    color: var(--about-navy);

    font-size:
        clamp(32px, 3vw, 44px);

    font-weight: 850;

    line-height: 1.13;

    letter-spacing: -.04em;
}


.about-section-heading h2 span {
    color: var(--about-blue);
}


.about-section-heading>p {
    width: min(100%, 720px);

    margin-inline: auto;

    color: var(--about-text);

    font-size: 14px;

    line-height: 1.75;
}


/* =========================================================
   STORY
========================================================= */

.about-story {
    padding: 82px 0 86px;
    background: #ffffff;
}


.about-story__grid {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    align-items: center;

    gap:
        clamp(55px, 6vw, 90px);
}


/* =========================================================
   STORY IMAGE
========================================================= */

.about-story__media {
    position: relative;

    min-width: 0;

    padding:
        0 0 28px 18px;
}


.about-story__image {
    position: relative;

    aspect-ratio: 1.08 / 1;

    overflow: hidden;

    border-radius:
        52px 18px 52px 18px;

    background:
        #e5f3f9;

    box-shadow:
        0 24px 55px rgba(18, 61, 107, .13);
}


.about-story__image::after {
    position: absolute;

    inset: 0;

    content: "";

    background:
        linear-gradient(180deg,
            transparent 55%,
            rgba(18, 61, 107, .10));

    pointer-events: none;
}


.about-story__image img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;
    object-position: center;

    transition:
        transform .45s ease;
}


@media (hover: hover) {

    .about-story__image:hover img {
        transform:
            scale(1.025);
    }

}


/* =========================================================
   FLOATING CARD
========================================================= */

.about-story__floating-card {
    position: absolute;

    right: -20px;
    bottom: 0;

    min-width: 215px;

    display: grid;

    grid-template-columns:
        48px minmax(0, 1fr);

    align-items: center;

    gap: 12px;

    padding:
        15px 17px;

    border-radius:
        15px;

    background:
        rgba(255, 255, 255, .96);

    box-shadow:
        0 16px 38px rgba(18, 61, 107, .13);
}


.about-story__floating-icon {
    width: 48px;
    height: 48px;

    display: grid;

    place-items: center;

    border-radius: 13px;

    background:
        var(--about-blue);

    color:
        #ffffff;

    font-size:
        17px;
}


.about-story__floating-card small,
.about-story__floating-card strong {
    display: block;
}


.about-story__floating-card small {
    margin-bottom:
        3px;

    color:
        #7c8fa0;

    font-size:
        10px;

    font-weight:
        600;
}


.about-story__floating-card strong {
    color:
        var(--about-navy);

    font-size:
        14px;

    font-weight:
        750;
}


/* =========================================================
   STORY CONTENT
========================================================= */

.about-story__content {
    min-width: 0;
}


.about-story__content h2 {
    max-width:
        720px;

    margin:
        21px 0 20px;

    color:
        var(--about-navy);

    font-size:
        clamp(36px, 3.2vw, 50px);

    font-weight:
        850;

    line-height:
        1.1;

    letter-spacing:
        -.04em;
}


.about-story__content h2 span {
    color:
        var(--about-blue);
}


.about-story__content>p {
    max-width:
        720px;

    margin:
        0 0 15px;

    color:
        var(--about-text);

    font-size:
        14px;

    line-height:
        1.78;
}


.about-story__lead {
    color:
        #4f6b80 !important;

    font-size:
        15px !important;
}


/* =========================================================
   STORY POINTS
========================================================= */

.about-story__points {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap:
        13px;

    margin-top:
        28px;
}


.about-story-point {
    display: grid;

    grid-template-columns:
        52px minmax(0, 1fr);

    align-items: start;

    gap:
        12px;

    padding:
        17px 18px;

    border:
        1px solid #d5e9f3;

    border-radius:
        15px;

    background:
        #eef7fb;
}


.about-story-point>span {
    width: 52px;
    height: 52px;

    display: grid;

    place-items: center;

    border-radius:
        13px;

    background:
        #dceff8;

    color:
        var(--about-blue);

    font-size:
        18px;
}


.about-story-point strong,
.about-story-point small {
    display: block;
}


.about-story-point strong {
    margin-bottom:
        5px;

    color:
        var(--about-navy);

    font-size:
        13.5px;

    font-weight:
        800;
}


.about-story-point small {
    color:
        #728799;

    font-size:
        11.5px;

    line-height:
        1.55;
}


/* =========================================================
   COMMON BUTTONS
========================================================= */

.about-story__actions {
    display: flex;

    align-items: center;

    flex-wrap: wrap;

    gap:
        11px;

    margin-top:
        29px;
}


.about-button {
    min-height: 47px;

    display: inline-flex;

    align-items: center;
    justify-content: center;

    gap: 9px;

    padding:
        0 19px;

    border-radius:
        11px;

    font-size:
        12.5px;

    font-weight:
        650;

    text-decoration:
        none;

    transition:
        transform .2s ease,
        background-color .2s ease,
        border-color .2s ease,
        color .2s ease,
        box-shadow .2s ease;
}


.about-button--primary {
    border:
        1px solid var(--about-blue);

    background:
        var(--about-blue);

    color:
        #ffffff;

    box-shadow:
        0 10px 24px rgba(30, 115, 190, .16);
}


.about-button--secondary {
    border:
        1px solid #bdd8e6;

    background:
        #ffffff;

    color:
        var(--about-navy);
}


@media (hover: hover) {

    .about-button--primary:hover {
        transform:
            translateY(-2px);

        border-color:
            var(--about-blue-hover);

        background:
            var(--about-blue-hover);

        color:
            #ffffff;
    }


    .about-button--secondary:hover {
        transform:
            translateY(-2px);

        border-color:
            var(--about-blue);

        color:
            var(--about-blue);
    }

}





/* =========================================================
   PHILOSOPHY
========================================================= */

.about-philosophy {
    padding:
        84px 0 90px;

    background:
        var(--about-page-soft);
}


.about-philosophy__grid {
    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap:
        20px;
}


.about-philosophy-card {
    position: relative;

    min-height:
        290px;

    padding:
        28px;

    overflow: hidden;

    border:
        1px solid var(--about-border);

    border-radius:
        21px;

    background:
        #ffffff;

    box-shadow:
        0 14px 34px rgba(18, 61, 107, .06);
}


.about-philosophy-card::after {
    position: absolute;

    right:
        -55px;

    bottom:
        -65px;

    width:
        150px;

    height:
        150px;

    content:
        "";

    border:
        22px solid #f0f8fc;

    border-radius:
        50%;
}


.about-philosophy-card__number {
    position: absolute;

    top:
        24px;

    right:
        26px;

    color:
        #d8eaf3;

    font-size:
        42px;

    font-weight:
        850;

    line-height:
        1;
}


.about-philosophy-card__icon {
    width:
        54px;

    height:
        54px;

    display:
        grid;

    place-items:
        center;

    margin-bottom:
        25px;

    border-radius:
        15px;

    background:
        var(--about-blue);

    color:
        #ffffff;

    font-size:
        18px;
}


.about-philosophy-card h3 {
    position:
        relative;

    z-index:
        1;

    margin:
        0 0 12px;

    color:
        var(--about-navy);

    font-size:
        20px;

    font-weight:
        800;
}


.about-philosophy-card p {
    position:
        relative;

    z-index:
        1;

    margin:
        0;

    color:
        var(--about-text);

    font-size:
        13px;

    line-height:
        1.7;
}


/* =========================================================
   DIFFERENCE
========================================================= */

.about-difference {
    padding:
        90px 0;

    background:
        #238bb5;

    color:
        #ffffff;
}


.about-difference__grid {
    display: grid;

    grid-template-columns:
        minmax(0, .8fr) minmax(0, 1.2fr);

    align-items:
        center;

    gap:
        72px;
}


.about-eyebrow--light {
    color:
        rgba(255, 255, 255, .78);
}


.about-heading-line--light {
    background:
        rgba(255, 255, 255, .82);
}


.about-difference__intro h2 {
    max-width:
        520px;

    margin:
        22px 0 20px;

    color:
        #ffffff;

    font-size:
        clamp(36px, 3.2vw, 48px);

    font-weight:
        850;

    line-height:
        1.12;

    letter-spacing:
        -.04em;
}


.about-difference__intro h2 span {
    display: block;

    color:
        #ffffff;
}


.about-difference__intro>p {
    max-width:
        540px;

    margin:
        0;

    color:
        rgba(255, 255, 255, .78);

    font-size:
        14px;

    line-height:
        1.8;
}


.about-button--light {
    margin-top:
        29px;

    border:
        1px solid rgba(255, 255, 255, .42);

    background:
        #ffffff;

    color:
        var(--about-blue);
}


/* =========================================================
   DIFFERENCE ITEMS
========================================================= */

.about-difference__list {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap:
        14px;
}


.about-difference-item {
    display: grid;

    grid-template-columns:
        50px minmax(0, 1fr);

    align-items:
        start;

    gap:
        14px;

    min-height:
        185px;

    padding:
        21px;

    border:
        1px solid rgba(255, 255, 255, .18);

    border-radius:
        17px;

    background:
        rgba(255, 255, 255, .09);
}


.about-difference-item__icon {
    width:
        50px;

    height:
        50px;

    display:
        grid;

    place-items:
        center;

    border-radius:
        13px;

    background:
        rgba(255, 255, 255, .14);

    color:
        #ffffff;

    font-size:
        17px;
}


.about-difference-item>div>span {
    display:
        block;

    margin-bottom:
        6px;

    color:
        rgba(255, 255, 255, .62);

    font-size:
        9px;

    font-weight:
        750;

    letter-spacing:
        .09em;
}


.about-difference-item h3 {
    margin:
        0 0 9px;

    color:
        #ffffff;

    font-size:
        16px;

    font-weight:
        750;
}


.about-difference-item p {
    margin:
        0;

    color:
        rgba(255, 255, 255, .72);

    font-size:
        12px;

    line-height:
        1.65;
}

/* =========================================================
   ABOUT PROOF / TEACHER PHILOSOPHY
========================================================= */

.about-proof {
    padding:
        92px 0 96px;

    background:
        var(--about-page-soft);
}


.about-proof__grid {
    display:
        grid;

    grid-template-columns:
        minmax(0, .95fr) minmax(0, 1.05fr);

    align-items:
        center;

    gap:
        clamp(55px, 6vw, 88px);
}


/* =========================================================
   MEDIA
========================================================= */

.about-proof__media {
    position:
        relative;

    min-width:
        0;

    min-height:
        590px;

    padding:
        0 42px 45px 0;
}


.about-proof__image {
    margin:
        0;

    overflow:
        hidden;

    background:
        #eaf5fa;

    box-shadow:
        0 22px 52px rgba(18, 61, 107, .12);
}


.about-proof__image img {
    width:
        100%;

    height:
        100%;

    display:
        block;

    object-fit:
        cover;
}


/* ảnh chính */
.about-proof__image--main {
    width:
        82%;

    aspect-ratio:
        4 / 5;

    border-radius:
        46px 18px 46px 18px;
}


/* ảnh phụ */
.about-proof__image--secondary {
    position:
        absolute;

    right:
        0;

    bottom:
        0;

    width:
        48%;

    aspect-ratio:
        1 / 1;

    border:
        8px solid #ffffff;

    border-radius:
        24px 12px 24px 12px;
}


/* =========================================================
   FLOAT LABEL
========================================================= */

.about-proof__media-label {
    position:
        absolute;

    right:
        20px;

    top:
        55px;

    min-width:
        220px;

    display:
        grid;

    grid-template-columns:
        46px minmax(0, 1fr);

    align-items:
        center;

    gap:
        11px;

    padding:
        14px 16px;

    border:
        1px solid var(--about-border);

    border-radius:
        14px;

    background:
        rgba(255, 255, 255, .96);

    box-shadow:
        0 15px 34px rgba(18, 61, 107, .12);
}


.about-proof__media-label>i {
    width:
        46px;

    height:
        46px;

    display:
        grid;

    place-items:
        center;

    border-radius:
        12px;

    background:
        var(--about-blue);

    color:
        #ffffff;

    font-size:
        16px;
}


.about-proof__media-label small,
.about-proof__media-label strong {
    display:
        block;
}


.about-proof__media-label small {
    margin-bottom:
        3px;

    color:
        var(--about-muted);

    font-size:
        9.5px;
}


.about-proof__media-label strong {
    color:
        var(--about-navy);

    font-size:
        12.5px;

    font-weight:
        750;

    line-height:
        1.4;
}


/* =========================================================
   CONTENT
========================================================= */

.about-proof__content {
    min-width:
        0;
}


.about-proof__content h2 {
    max-width:
        650px;

    margin:
        21px 0 18px;

    color:
        var(--about-navy);

    font-size:
        clamp(34px, 3vw, 46px);

    font-weight:
        850;

    line-height:
        1.12;

    letter-spacing:
        -.04em;
}


.about-proof__content h2 span {
    color:
        var(--about-blue);
}


.about-proof__lead {
    max-width:
        670px;

    margin:
        0;

    color:
        var(--about-text);

    font-size:
        14px;

    line-height:
        1.78;
}


/* =========================================================
   QUOTES
========================================================= */

.about-proof__principles {
    display:
        grid;

    gap:
        11px;

    margin-top:
        27px;
}


.about-proof-quote {
    position:
        relative;

    display:
        grid;

    grid-template-columns:
        38px minmax(0, 1fr);

    column-gap:
        12px;

    margin:
        0;

    padding:
        16px 17px;

    border:
        1px solid var(--about-border);

    border-radius:
        13px;

    background:
        #f8fbfd;
}


.about-proof-quote__icon {
    width:
        38px;

    height:
        38px;

    display:
        grid;

    place-items:
        center;

    grid-row:
        1 / span 2;

    border-radius:
        10px;

    background:
        #e4f3fa;

    color:
        var(--about-blue);

    font-size:
        12px;
}


.about-proof-quote p {
    margin:
        0;

    color:
        #4e697d;

    font-size:
        12.5px;

    font-weight:
        500;

    line-height:
        1.6;
}


.about-proof-quote footer {
    margin-top:
        5px;

    color:
        #8193a2;

    font-size:
        9.5px;

    font-weight:
        600;

    letter-spacing:
        .03em;
}


/* =========================================================
   LINK
========================================================= */

.about-proof__link {
    display:
        inline-flex;

    align-items:
        center;

    gap:
        10px;

    margin-top:
        27px;

    color:
        var(--about-blue);

    font-size:
        12.5px;

    font-weight:
        700;

    text-decoration:
        none;
}


.about-proof__link>span {
    width:
        29px;

    height:
        29px;

    display:
        grid;

    place-items:
        center;

    border-radius:
        50%;

    background:
        #e5f3f9;

    font-size:
        9px;

    transition:
        transform .2s ease;
}


/* =========================================================
   JOURNEY
========================================================= */

.about-journey {
    padding:
        88px 0 94px;

    background:
        #ffffff;

    border-bottom:
        1px solid var(--about-border);
}


.about-journey__steps {
    position:
        relative;

    display:
        grid;

    grid-template-columns:
        repeat(5, minmax(0, 1fr));

    gap:
        0;

    margin:
        0;

    padding:
        0;

    list-style:
        none;
}


.about-journey__steps::before {
    position:
        absolute;

    top:
        29px;

    right:
        9%;

    left:
        9%;

    height:
        2px;

    content:
        "";

    background:
        #cce4ef;
}


.about-journey-step {
    position:
        relative;

    z-index:
        1;

    padding:
        0 17px;

    text-align:
        center;
}


.about-journey-step__number {
    position:
        relative;

    width:
        64px;

    height:
        64px;

    display:
        grid;

    place-items:
        center;

    margin:
        0 auto 18px;

    overflow:
        hidden;

    border:
        6px solid #ffffff;

    border-radius:
        50%;

    background:
        var(--about-blue);

    color:
        #ffffff;

    box-shadow:
        0 0 0 1px #cce4ef;
}


/*
 * Icon chỉ đóng vai trò watermark.
 */
.about-journey-step__number>i {
    position:
        absolute;

    right:
        -3px;

    bottom:
        -4px;

    color:
        rgba(255, 255, 255, .16);

    font-size:
        35px;

    line-height:
        1;

    pointer-events:
        none;
}


/*
 * Số luôn nằm phía trước icon.
 */
.about-journey-step__number>strong {
    position:
        relative;

    z-index:
        2;

    color:
        #ffffff;

    font-size:
        13px;

    font-weight:
        800;

    line-height:
        1;
}


.about-journey-step h3 {
    margin:
        0 0 8px;

    color:
        var(--about-navy);

    font-size:
        15px;

    font-weight:
        750;
}


.about-journey-step p {
    max-width:
        200px;

    margin:
        0 auto;

    color:
        #728698;

    font-size:
        11.5px;

    line-height:
        1.6;
}


/* =========================================================
   FINAL CTA
========================================================= */

.about-final-cta {
    padding:
        72px 0;

    background:
        #eef8fc;
}


.about-final-cta__inner {
    display:
        grid;

    grid-template-columns:
        minmax(0, 1fr) auto;

    align-items:
        center;

    gap:
        60px;

    padding:
        38px 42px;

    border:
        1px solid #d3e7f0;

    border-radius:
        20px;

    background:
        #ffffff;

    box-shadow:
        0 16px 40px rgba(18, 61, 107, .06);
}


.about-final-cta__inner>div:first-child>span {
    display:
        block;

    margin-bottom:
        10px;

    color:
        var(--about-blue);

    font-size:
        10px;

    font-weight:
        800;

    letter-spacing:
        .12em;
}


.about-final-cta h2 {
    max-width:
        650px;

    margin:
        0 0 11px;

    color:
        var(--about-navy);

    font-size:
        clamp(27px, 2.4vw, 36px);

    font-weight:
        850;

    line-height:
        1.18;

    letter-spacing:
        -.035em;
}


.about-final-cta p {
    max-width:
        650px;

    margin:
        0;

    color:
        var(--about-text);

    font-size:
        13px;

    line-height:
        1.7;
}


.about-final-cta__actions {
    display:
        flex;

    align-items:
        center;

    gap:
        10px;
}


.about-final-cta__primary,
.about-final-cta__secondary {
    min-height:
        49px;

    display:
        inline-flex;

    align-items:
        center;
    justify-content:
        center;

    gap:
        9px;

    padding:
        0 19px;

    border-radius:
        11px;

    font-size:
        12px;

    font-weight:
        650;

    white-space:
        nowrap;

    text-decoration:
        none;
}


.about-final-cta__primary {
    border:
        1px solid var(--about-accent);

    background:
        var(--about-accent);

    color:
        #ffffff;

    box-shadow:
        0 10px 24px rgba(249, 115, 22, .18);
}


.about-final-cta__secondary {
    border:
        1px solid #bfd9e6;

    background:
        #ffffff;

    color:
        var(--about-navy);
}

@media (hover: hover) {

    .about-proof__link:hover>span {
        transform:
            translateX(4px);
    }

}



/* =========================================================
   REVEAL ON SCROLL
========================================================= */

.reveal-up {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity .65s ease,
        transform .65s cubic-bezier(.2, .7, .2, 1);
    will-change: opacity, transform;
}

.reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .reveal-up {
        opacity: 1;
        transform: none;
        transition: none;
    }
}


/* =========================================================
   TABLET
========================================================= */

@media (max-width: 1050px) {

    .about-story__grid,
    .about-difference__grid {
        grid-template-columns:
            1fr;

        gap:
            48px;
    }


    .about-story__media {
        width:
            min(100%, 720px);

        margin-inline:
            auto;
    }


    .about-story__content,
    .about-difference__intro {
        width:
            min(100%, 760px);

        margin-inline:
            auto;
    }

    .about-proof__grid {
        grid-template-columns:
            1fr;

        gap:
            50px;
    }


    .about-proof__media {
        width:
            min(100%, 700px);

        margin-inline:
            auto;
    }


    .about-proof__content {
        width:
            min(100%, 760px);

        margin-inline:
            auto;
    }


    .about-journey__steps {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));

        row-gap:
            35px;
    }


    .about-journey__steps::before {
        display:
            none;
    }


    .about-final-cta__inner {
        grid-template-columns:
            1fr;

        gap:
            28px;
    }

}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 720px) {

    .about-story,
    .about-philosophy,
    .about-difference,
    .about-proof,
    .about-journey {
        padding:
            58px 0 62px;
    }


    .about-story__grid {
        gap:
            38px;
    }


    .about-story__media {
        padding:
            0 10px 26px 0;
    }


    .about-story__image {
        border-radius:
            36px 14px 36px 14px;
    }


    .about-story__floating-card {
        right:
            0;

        min-width:
            190px;
    }


    .about-story__content h2 {
        font-size:
            clamp(30px, 8.5vw, 36px);
    }


    .about-story__points {
        grid-template-columns:
            1fr;
    }


    .about-story__actions {
        align-items:
            stretch;

        flex-direction:
            column;
    }


    .about-button {
        width:
            100%;
    }


    /* -----------------------------------------
       PHILOSOPHY
    ----------------------------------------- */

    .about-philosophy__grid,
    .about-difference__list {
        grid-template-columns:
            1fr;
    }


    .about-philosophy-card {
        min-height:
            0;
    }


    /* -----------------------------------------
       DIFFERENCE
    ----------------------------------------- */

    .about-difference__grid {
        gap:
            38px;
    }


    .about-difference__intro h2 {
        font-size:
            clamp(30px, 8.5vw, 36px);
    }


    .about-difference-item {
        min-height:
            0;
    }

    .about-proof {
        padding:
            58px 0 62px;
    }


    .about-proof__grid {
        gap:
            38px;
    }


    .about-proof__media {
        min-height:
            450px;

        padding:
            0 20px 38px 0;
    }


    .about-proof__image--main {
        width:
            88%;
    }


    .about-proof__image--secondary {
        width:
            48%;

        border-width:
            6px;
    }


    .about-proof__media-label {
        top:
            26px;

        right:
            0;

        min-width:
            190px;
    }


    .about-proof__content h2 {
        font-size:
            clamp(30px, 8.5vw, 35px);
    }


    /* -----------------------------------------
       VISION
    ----------------------------------------- */

    .about-vision-card {
        min-height:
            280px;
    }


    /* -----------------------------------------
       JOURNEY
    ----------------------------------------- */

    .about-journey__steps {
        grid-template-columns:
            1fr;

        gap:
            12px;
    }


    .about-journey-step {
        display:
            grid;

        grid-template-columns:
            52px minmax(0, 1fr);

        grid-template-areas:
            "number heading"
            "number description";

        align-items:
            center;

        column-gap:
            14px;

        padding:
            16px;

        border:
            1px solid var(--about-border);

        border-radius:
            14px;

        background:
            #f8fbfd;

        text-align:
            left;
    }


    .about-journey-step__number {
        grid-area:
            number;

        width:
            52px;

        height:
            52px;

        margin:
            0;

        border:
            0;
    }

    .about-journey-step__number>i {
        right: -2px;
        bottom: -3px;

        font-size: 29px;
    }


    .about-journey-step__number>strong {
        font-size: 12px;
    }


    .about-journey-step h3 {
        grid-area:
            heading;

        margin-bottom:
            4px;
    }


    .about-journey-step p {
        grid-area:
            description;

        max-width:
            none;

        margin:
            0;
    }


    /* -----------------------------------------
       FINAL CTA
    ----------------------------------------- */

    .about-final-cta {
        padding:
            48px 0;
    }


    .about-final-cta__inner {
        padding:
            28px 20px;
    }


    .about-final-cta__actions {
        align-items:
            stretch;

        flex-direction:
            column;
    }


    .about-final-cta__primary,
    .about-final-cta__secondary {
        width:
            100%;
    }

}

@media (max-width: 720px) {

    .about-section-inner {
        width: min(calc(100% - 32px),
                1380px);
    }

}

@media (max-width: 360px) {

    .about-section-inner {
        width: calc(100% - 24px);
    }

}

/* =========================================================
   ABOUT HERO RESPONSIVE
========================================================= */

@media (max-width: 1050px) {
    .about-hero {
        padding: 36px 0 56px;
    }

    .about-hero__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 30px;
    }

    .about-hero #about-hero-title {
        font-size: clamp(38px, 5vw, 52px);
    }
}

@media (max-width: 820px) {
    .about-hero__grid {
        grid-template-columns: 1fr;
    }

    .about-hero__content,
    .about-hero__media {
        width: min(100%, 720px);
        margin-inline: auto;
    }

    .about-hero__media {
        padding-left: 0;
    }

    .about-hero__media {
        width:
            min(100%, 760px);

        margin-inline:
            auto;

        padding:
            18px 0 0;

        height: auto;
        translate: 0;
    }

    .about-hero__image {
        height: auto;
        flex: none;
        aspect-ratio: 16 / 9;
    }


    /*
 * Tablet chỉ giữ chữ 学.
 * Giảm bớt decoration để giao diện không rối.
 */
    .about-hero__han--study {
        top: -8px;
        right: -5px;

        font-size: 132px;

        opacity: .8;
    }


    .about-hero__han--progress {
        display: none;
    }
}

@media (max-width: 620px) {
    .about-hero {
        padding: 24px 0 44px;
    }

    .about-hero__breadcrumb {
        margin-bottom: 15px;
        font-size: 12px;
    }

    .about-hero__eyebrow {
        margin-bottom: 10px;
        font-size: 10.5px;
    }

    .about-hero #about-hero-title {
        margin-bottom: 15px;
        font-size: clamp(34px, 10vw, 43px);
    }

    .about-hero__content>p {
        font-size: 14px;
    }

    .about-hero__actions {
        align-items: stretch;
        flex-direction: column;
        margin-top: 23px;
    }

    .about-hero__button {
        width: 100%;
    }

    .about-hero__image {
        aspect-ratio: 16 / 9;

        border-radius:
            20px;
    }

    .about-hero__badge {
        right: 12px;
        bottom: 12px;

        min-width: 0;

        grid-template-columns:
            40px minmax(0, 1fr);

        gap: 10px;

        padding:
            10px 12px;

        border-radius:
            13px;
    }


    .about-hero__badge-icon {
        width: 40px;
        height: 40px;

        border-radius: 10px;
    }


    .about-hero__badge small {
        font-size: 8px;
    }


    .about-hero__badge strong {
        font-size: 12px;
    }

    .about-hero__han {
        display: none;
    }
}

/* =========================================================
   ABOUT PAGE — CONTENT STRUCTURE 2026-08
   TẦM NHÌN / GIÁ TRỊ / PHƯƠNG PHÁP / CHẤT LƯỢNG / MẠNG LƯỚI
========================================================= */

.about-vision-mission,
.about-values,
.about-quality,
.about-network {
    padding: 88px 0 94px;
}

.about-vision-mission,
.about-quality {
    background: #f9fafb;
}

.about-values,
.about-network {
    background: #ffffff;
}

.about-vision-mission__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.about-values__grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.about-value-card {
    min-height: 250px;
    padding: 24px 20px;
    border: 1px solid var(--about-border);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 12px 30px rgba(18, 61, 107, .05);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.about-value-card__icon {
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    border-radius: 14px;
    background: #eaf5fb;
    color: var(--about-blue);
    font-size: 17px;
}

.about-value-card h3 {
    margin: 0 0 10px;
    color: var(--about-navy);
    font-size: 18px;
    font-weight: 800;
}

.about-value-card p {
    margin: 0;
    color: var(--about-text);
    font-size: 12.5px;
    line-height: 1.7;
}

@media (hover: hover) {
    .about-value-card:hover {
        transform: translateY(-4px);
        border-color: #bfdcea;
        box-shadow: 0 18px 38px rgba(18, 61, 107, .09);
    }
}

.about-method {
    padding: 86px 0 90px;

    background: #238bb5;
    color: #ffffff;
}

.about-method__grid {
    display: grid;
    grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr);
    align-items: center;
    gap: 68px;
}

.about-method__intro h2 {
    max-width: 520px;
    margin: 22px 0 20px;
    color: #ffffff;
    font-size: clamp(36px, 3.2vw, 48px);
    font-weight: 850;
    line-height: 1.12;
    letter-spacing: -.04em;
}

.about-method__intro h2 span {
    display: block;
    color: #ffffff;
}

.about-method__intro>p {
    max-width: 540px;
    margin: 0;
    color: rgba(255, 255, 255, .79);
    font-size: 14px;
    line-height: 1.8;
}

.about-method__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.about-method-item {
    display: grid;
    grid-template-columns: 50px minmax(0, 1fr);
    align-items: start;
    gap: 14px;
    min-height: 172px;
    padding: 21px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 17px;
    background: rgba(255, 255, 255, .09);
}

.about-method-item:last-child {
    grid-column: 1 / -1;
    min-height: 150px;
}

.about-method-item__icon {
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: rgba(255, 255, 255, .14);
    color: #ffffff;
    font-size: 17px;
}

.about-method-item>div>span {
    display: block;
    margin-bottom: 6px;
    color: rgba(255, 255, 255, .65);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .09em;
}

.about-method-item h3 {
    margin: 0 0 8px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 750;
}

.about-method-item p {
    margin: 0;
    color: rgba(255, 255, 255, .76);
    font-size: 12px;
    line-height: 1.65;
}

.about-quality__steps {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.about-quality-step {
    position: relative;
    min-height: 270px;
    padding: 26px 22px 24px;
    overflow: hidden;
    border: 1px solid var(--about-border);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 12px 30px rgba(18, 61, 107, .05);
}

.about-quality-step__number {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #d9eaf3;
    font-size: 30px;
    font-weight: 850;
    line-height: 1;
}

.about-quality-step__icon {
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    margin-bottom: 24px;
    border-radius: 14px;
    background: var(--about-blue);
    color: #ffffff;
    font-size: 16px;
}

.about-quality-step h3 {
    margin: 0 0 10px;
    color: var(--about-navy);
    font-size: 16px;
    font-weight: 780;
    line-height: 1.35;
}

.about-quality-step p {
    margin: 0;
    color: var(--about-text);
    font-size: 12.25px;
    line-height: 1.68;
}

.about-network__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: center;
    gap: clamp(50px, 6vw, 88px);
}

.about-network__content h2 {
    max-width: 690px;
    margin: 21px 0 18px;
    color: var(--about-navy);
    font-size: clamp(34px, 3vw, 46px);
    font-weight: 850;
    line-height: 1.12;
    letter-spacing: -.04em;
}

.about-network__content h2 span {
    color: var(--about-blue);
}

.about-network__content>p {
    max-width: 690px;
    margin: 0;
    color: var(--about-text);
    font-size: 14px;
    line-height: 1.8;
}

.about-network__visual {
    display: grid;
    gap: 12px;
    padding: 28px;
    border: 1px solid var(--about-border);
    border-radius: 24px;
    background: #f6fafc;
}

.about-network__visual-card {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    grid-template-areas:
        "icon title"
        "icon desc";
    align-items: center;
    column-gap: 14px;
    padding: 17px;
    border: 1px solid #dceaf1;
    border-radius: 15px;
    background: #ffffff;
}

.about-network__visual-card>i {
    grid-area: icon;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    background: #eaf5fb;
    color: var(--about-blue);
    font-size: 17px;
}

.about-network__visual-card strong {
    grid-area: title;
    color: var(--about-navy);
    font-size: 14px;
}

.about-network__visual-card small {
    grid-area: desc;
    margin-top: 3px;
    color: var(--about-muted);
    font-size: 11px;
    line-height: 1.5;
}

.about-network__visual-card--primary {
    border-color: #c7e2ee;
    box-shadow: 0 12px 26px rgba(18, 61, 107, .06);
}

@media (max-width: 1180px) {

    .about-values__grid,
    .about-quality__steps {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1050px) {

    .about-method__grid,
    .about-network__grid {
        grid-template-columns: 1fr;
        gap: 46px;
    }

    .about-method__intro,
    .about-network__content,
    .about-network__visual {
        width: min(100%, 780px);
        margin-inline: auto;
    }
}

@media (max-width: 820px) {

    .about-vision-mission__grid,
    .about-values__grid,
    .about-quality__steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {

    .about-vision-mission,
    .about-values,
    .about-method,
    .about-quality,
    .about-network {
        padding: 58px 0 62px;
    }

    .about-vision-mission__grid,
    .about-values__grid,
    .about-method__list,
    .about-quality__steps {
        grid-template-columns: 1fr;
    }

    .about-method-item:last-child {
        grid-column: auto;
    }

    .about-network__visual {
        padding: 16px;
        border-radius: 18px;
    }
}

/* =========================================================
   ABOUT PAGE — PUBLISH CONTENT OVERRIDES 2026-08-11
========================================================= */

/* Hero: giữ H1 theo nội dung xuất bản ở Khối Hero. */
.about-hero #about-hero-title {
    max-width: 760px;
}

/* Philosophy chứa cả 3 nguyên tắc + Tầm nhìn / Sứ mệnh. */
.about-philosophy {
    background: #f9fafb;
}

.about-vision-mission__grid--inside {
    margin-top: 28px;
}

.about-philosophy {
    background: #ffffff;
}

/* Core values đặt trên nền trắng để tạo nhịp section. */
.about-values {
    background: #ffffff;
}

/* Khối phương pháp bản xuất bản có 4 thẻ, không kéo thẻ cuối full width. */
.about-method__list--four .about-method-item:last-child {
    grid-column: auto;
    min-height: 172px;
}

/* Team + quality được ghép thành một section liền mạch. */
.about-proof {
    background: #f9fafb;
}

.about-quality-block {
    margin-top: 66px;
}

.about-quality-block__heading {
    width: min(100%, 760px);
    margin: 0 auto 30px;
    text-align: center;
}

.about-quality-block__heading .about-eyebrow {
    margin-bottom: 10px;
}

.about-quality-block__heading h3 {
    margin: 0;
    color: var(--about-navy);
    font-size: clamp(24px, 2.3vw, 32px);
    font-weight: 820;
    line-height: 1.25;
    letter-spacing: -.03em;
}

.about-proof .about-quality-step {
    background: #ffffff;
}

/* Network: 2 cam kết nên cho thẻ cao thoáng hơn. */
.about-network__visual {
    gap: 14px;
}

.about-network__visual-card {
    min-height: 104px;
    align-items: start;
}

.about-network__visual-card strong {
    align-self: end;
}

.about-network__visual-card small {
    align-self: start;
    font-size: 11.5px;
    line-height: 1.58;
}

/* CTA chính của About dùng accent cam, nhưng không lan sang toàn hệ thống. */
.about-final-cta__primary {
    border-color: var(--about-accent);
    background: var(--about-accent);
    color: #ffffff;
    box-shadow: 0 12px 28px rgba(249, 115, 22, .18);
    transition: transform .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

@media (hover: hover) {
    .about-final-cta__primary:hover {
        transform: translateY(-2px);
        border-color: var(--about-accent-hover);
        background: var(--about-accent-hover);
        color: #ffffff;
        box-shadow: 0 16px 32px rgba(249, 115, 22, .22);
    }
}

@media (max-width: 1050px) {
    .about-quality-block {
        margin-top: 54px;
    }
}

@media (max-width: 820px) {
    .about-vision-mission__grid--inside {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .about-quality-block {
        margin-top: 42px;
    }

    .about-quality-block__heading {
        margin-bottom: 24px;
        text-align: left;
    }

    .about-network__visual-card {
        min-height: 0;
    }
}

/* =========================================================
   BRAND STORY — 2026
========================================================= */

.brand-story {
    position: relative;

    padding:
        72px 0 78px;

    overflow: hidden;

    background:
        #ffffff;
}


/* =========================================================
   HEADING
========================================================= */

.brand-story__heading {
    width:
        min(100%, 900px);

    margin:
        0 auto 32px;

    text-align:
        center;
}

.brand-story__heading .about-heading-line {
    margin: 11px auto 22px;
}

.brand-story__heading h2 {
    margin: 0;
    color: var(--about-navy);

    font-size: clamp(38px, 3.7vw, 54px);
    font-weight: 850;
    line-height: 1.08;
    letter-spacing: -.045em;
}

.brand-story__heading h2 span {
    color: var(--about-blue);
}

.brand-story__tagline {
    margin: 18px auto 0;
    color: var(--about-text);

    font-size: 17px !important;
    line-height: 1.7;
}

.brand-story__tagline strong {
    color: var(--about-navy);
    font-weight: 700;
}


/* =========================================================
   MAIN STORY
========================================================= */

.brand-story__main {
    display: grid;

    grid-template-columns:
        minmax(0, .96fr) minmax(0, 1.04fr);

    align-items: center;

    gap:
        clamp(34px, 4vw, 56px);
}


/* =========================================================
   VISUAL
========================================================= */

.brand-story__visual {
    position: relative;

    isolation: isolate;

    min-width: 0;

    padding:
        30px 20px 30px 42px;
}

/* IMAGE */

.brand-story__image {
    position: relative;

    z-index: 2;

    width: 100%;

    margin: 0;

    aspect-ratio: 1.08 / 1;

    overflow: hidden;

    border-radius:
        54px 20px 54px 20px;

    background: #e9f4f9;

    box-shadow:
        0 28px 64px rgba(18, 61, 107, .14);
}


.brand-story__image::after {
    position: absolute;
    inset: 0;

    content: "";

    background:
        linear-gradient(180deg,
            transparent 62%,
            rgba(18, 61, 107, .09));

    pointer-events: none;
}


.brand-story__image img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;
    object-position: center;

    transition:
        transform .5s ease;
}


@media (hover: hover) {

    .brand-story__image:hover img {
        transform: scale(1.025);
    }

}


/* =========================================================
   STORY CONTENT
========================================================= */

.brand-story__content {
    min-width: 0;
}


.brand-story__chapter {
    display: inline-flex;

    align-items: center;

    gap: 10px;

    margin-bottom: 19px;

    color: var(--about-blue);

    font-size: 10px;
    font-weight: 800;

    line-height: 1;

    letter-spacing: .12em;
}


.brand-story__chapter::before {
    width: 26px;
    height: 2px;

    content: "";

    border-radius: 999px;

    background: var(--about-blue);
}


.brand-story__content p {
    max-width:
        700px;

    margin:
        0 0 12px;

    color:
        var(--about-text);

    font-size:
        14px;

    line-height:
        1.72;
}


.brand-story__content p strong {
    color: #45667e;
    font-weight: 700;
}


.brand-story__content .brand-story__lead {
    color:
        var(--about-navy);

    font-size:
        17px;

    line-height:
        1.62;
}


.brand-story__lead strong {
    color: var(--about-blue) !important;
}


/* =========================================================
   PROGRAM PILLS
========================================================= */

.brand-story__programs {
    display: flex;

    flex-wrap: wrap;

    gap: 8px;

    margin-top:
        18px;
}


.brand-story__programs span {
    min-height: 38px;

    display: inline-flex;

    align-items: center;

    gap: 8px;

    padding: 0 13px;

    border:
        1px solid #d4e7f0;

    border-radius: 999px;

    background: #f5fafc;

    color: #526e82;

    font-size: 11.5px;
    font-weight: 650;
}


.brand-story__programs i {
    color: var(--about-blue);

    font-size: 11px;
}


/* =========================================================
   CORE PRINCIPLES
========================================================= */
/* =========================================================
   PRINCIPLES INTRO
========================================================= */

.brand-story__principles-intro {
    margin-top:
        34px;
}


.brand-story__principles-intro .brand-story__chapter {
    margin-bottom:
        9px;
}


.brand-story__principles-intro p {
    max-width:
        720px;

    margin:
        0;

    color:
        var(--about-text);

    font-size:
        13.5px;

    line-height:
        1.65;
}

.brand-story__principles {
    display:
        grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap:
        16px;

    margin-top:
        16px;
}

.brand-story-principle {
    position: relative;

    display: flex;
    flex-direction: column;

    min-height: 245px;

    padding: 24px 26px;

    overflow: hidden;

    border: 1px solid var(--about-border);
    border-radius: 19px;

    background: #f8fbfd;

    transition:
        transform .25s ease,
        border-color .25s ease,
        box-shadow .25s ease;
}


.brand-story-principle__head {
    display: grid;

    grid-template-columns:
        56px minmax(0, 1fr);

    align-items: center;

    column-gap: 15px;
}


.brand-story-principle__number {
    position: absolute;

    top: 24px;
    right: 26px;

    color: #dcecf4;

    font-size: 43px;
    font-weight: 850;

    line-height: 1;
}


.brand-story-principle__icon {
    width: 56px;
    height: 56px;

    display: grid;

    place-items: center;

    border-radius: 15px;

    background:
        #e4f3fa;

    color:
        var(--about-blue);

    font-size: 18px;
}


.brand-story-principle__label {
    display: block;

    margin-bottom: 5px;

    color: var(--about-blue);

    font-size: 9px;
    font-weight: 800;

    letter-spacing: .11em;
}


.brand-story-principle h3 {
    margin: 0;

    color: var(--about-navy);

    font-size: 19px;
    font-weight: 800;

    line-height: 1.3;
}


.brand-story-principle p {
    max-width: 560px;

    margin:
        18px 0 16px;

    color:
        var(--about-text);

    font-size:
        13px;

    line-height:
        1.68;
}


.brand-story-principle__quote {
    display: block;

    /*
     * Đẩy quote xuống đáy card.
     * Dù paragraph bên trên dài/ngắn khác nhau,
     * quote của hai card vẫn thẳng hàng.
     */
    margin-top: auto;

    padding-top: 12px;

    border-top:
        1px solid #dce9f0;

    color:
        var(--about-blue);

    font-size:
        12px;

    font-weight:
        700;

    line-height: 1.5;
}


@media (hover: hover) {

    .brand-story-principle:hover {
        transform:
            translateY(-4px);

        border-color:
            #bddce9;

        box-shadow:
            0 18px 42px rgba(18, 61, 107, .08);
    }

}


/* =========================================================
   CAMPUSES
========================================================= */

#site-root .brand-story__campus-intro .brand-story__chapter {
    white-space: nowrap;
    flex-wrap: nowrap;

    font-size: 19px;
    font-weight: 800;
    line-height: 1.2;

    letter-spacing: .12em;
}

.brand-story__campuses {
    display: grid;

    grid-template-columns:
        minmax(330px, .82fr) repeat(2, minmax(0, 1fr));

    align-items: stretch;

    gap: 14px;

    margin-top: 30px;

    padding: 24px;

    border: 1px solid var(--about-border);
    border-radius: 22px;

    background: #f4f9fc;
}


.brand-story__campus-intro {
    padding:
        8px 20px 8px 6px;
}


.brand-story__campus-kicker {
    display: block;

    margin-bottom: 10px;

    color: var(--about-blue);

    font-size: 9px;
    font-weight: 800;

    letter-spacing: .12em;
}


.brand-story__campus-intro h3 {
    margin:
        0 0 11px;

    color: var(--about-navy);

    font-size: 24px;
    font-weight: 820;

    line-height: 1.22;

    letter-spacing: -.025em;
}


.brand-story__campus-intro h3 span {
    color: var(--about-blue);
}


.brand-story__campus-intro p {
    margin: 0;

    color: var(--about-text);

    font-size: 12px;
    line-height: 1.65;
}


/* CAMPUS CARD */

.brand-story-campus {
    position:
        relative;

    display:
        grid;

    grid-template-columns:
        46px minmax(0, 1fr) 24px;

    align-items:
        center;

    gap:
        12px;

    min-width:
        0;

    padding:
        17px;

    border:
        1px solid #dce9f0;

    border-radius:
        16px;

    background:
        #ffffff;

    color:
        inherit;

    text-decoration:
        none;

    transition:
        transform .22s ease,
        border-color .22s ease,
        box-shadow .22s ease;
}


.brand-story-campus__icon {
    width:
        46px;

    height:
        46px;

    display:
        grid;

    place-items:
        center;

    border-radius:
        13px;

    background:
        #e7f4fa;

    color:
        var(--about-blue);

    font-size:
        16px;
}


.brand-story-campus__content {
    min-width: 0;
}


.brand-story-campus__content small,
.brand-story-campus__content strong,
.brand-story-campus__content>span {
    display: block;
}


.brand-story-campus__content small {
    margin-bottom: 5px;

    color: var(--about-blue);

    font-size: 8.5px;
    font-weight: 800;

    letter-spacing: .1em;
}


.brand-story-campus__content strong {
    margin-bottom: 6px;

    color: var(--about-navy);

    font-size: 15px;
    font-weight: 780;
}


.brand-story-campus__content>span {
    color: var(--about-muted);

    font-size: 10.5px;
    line-height: 1.55;
}


.brand-story-campus__arrow {
    color: #9bb8c8;

    font-size: 11px;

    transition:
        transform .2s ease,
        color .2s ease;
}


@media (hover: hover) {

    .brand-story-campus:hover {
        transform:
            translateY(-3px);

        border-color:
            #bcdce9;

        box-shadow:
            0 14px 32px rgba(18, 61, 107, .07);
    }


    .brand-story-campus:hover .brand-story-campus__arrow {
        transform:
            translateX(4px);

        color:
            var(--about-blue);
    }

}


/* =========================================================
   BRAND STATEMENT
========================================================= */

.brand-story__statement {
    display: flex;

    align-items: center;
    justify-content: center;

    gap: 16px;

    width:
        min(100%, 760px);

    margin:
        48px auto 0;

    padding-top:
        31px;

    border-top:
        1px solid var(--about-border);

    text-align: left;
}


.brand-story__statement-mark {
    width: 52px;
    height: 52px;

    flex: 0 0 52px;

    display: grid;

    place-items: center;

    border-radius: 15px;

    background: var(--about-blue);

    color: #ffffff;

    font-size: 21px;
    font-weight: 850;
}


.brand-story__statement small {
    display: block;

    margin-bottom: 4px;

    color: var(--about-blue);

    font-size: 9px;
    font-weight: 800;

    letter-spacing: .13em;
}


.brand-story__statement strong {
    display: block;

    color: var(--about-navy);

    font-size: 17px;
    font-weight: 750;

    line-height: 1.45;
}


.brand-story__statement strong span {
    color: var(--about-blue);
}


/* =========================================================
   RESPONSIVE — TABLET
========================================================= */

@media (max-width: 1050px) {

    .brand-story__main {
        grid-template-columns: 1fr;
        gap: 44px;
    }


    .brand-story__visual,
    .brand-story__content {
        width:
            min(100%, 760px);

        margin-inline: auto;
    }


    .brand-story__campuses {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }


    .brand-story__campus-intro {
        grid-column:
            1 / -1;

        max-width: 680px;

        padding:
            0 0 8px;
    }

}


/* =========================================================
   RESPONSIVE — MOBILE
========================================================= */

@media (max-width: 720px) {

    .brand-story {
        padding:
            52px 0 56px;
    }


    .brand-story__heading {
        margin-bottom:
            28px;

        text-align:
            left;
    }

    .brand-story__main {
        gap:
            28px;
    }


    .brand-story__heading .about-heading-line {
        margin:
            11px 0 20px;
    }


    .brand-story__heading h2 {
        font-size:
            clamp(31px, 9vw, 39px);
    }


    .brand-story__tagline {
        font-size:
            14px;
    }


    /* IMAGE */

    .brand-story__visual {
        padding:
            22px 0 26px 24px;
    }


    .brand-story__main+.brand-story__chapter {
        margin-top:
            30px;
    }


    .brand-story__image {
        border-radius:
            34px 14px 34px 14px;
    }

    /* CONTENT */

    .brand-story__content .brand-story__lead {
        font-size:
            16px;
    }


    /* PRINCIPLES */

    .brand-story__principles {
        grid-template-columns:
            1fr;

        gap:
            12px;

        margin-top:
            10px;
    }


    .brand-story-principle {
        min-height:
            0;

        padding:
            21px 18px;
    }


    /* CAMPUSES */

    .brand-story__campuses {
        grid-template-columns:
            1fr;

        gap:
            12px;

        margin-top:
            30px;

        padding:
            16px;
    }


    .brand-story__campus-intro {
        grid-column:
            auto;

        padding:
            4px 4px 10px;
    }


    .brand-story-campus {
        grid-template-columns:
            46px minmax(0, 1fr) 20px;

        padding:
            17px;
    }


    .brand-story-campus__icon {
        width:
            46px;

        height:
            46px;
    }


    /* STATEMENT */

    .brand-story__statement {
        justify-content:
            flex-start;

        margin-top:
            38px;
    }


    .brand-story__statement strong {
        font-size:
            15px;
    }

}

/* =========================================================
   ABOUT DIRECTION
   TẦM NHÌN · SỨ MỆNH · GIÁ TRỊ CỐT LÕI
========================================================= */

.about-direction {
    position: relative;

    padding:
        54px 0 58px;

    overflow: hidden;

    /*
     * Section quay lại nền sáng,
     * để kết nối với section trên / dưới.
     */
    background:
        #ffffff;
}

/* =========================================================
   COLOR PANEL
========================================================= */

.about-direction__panel {
    position: relative;

    width:
        min(100%, 1260px);

    margin-inline:
        auto;

    padding:
        56px 52px 50px;

    overflow:
        hidden;

    border-radius:
        28px;

    background:
        #238bb5;

    color:
        #ffffff;

    box-shadow:
        0 22px 55px rgba(18, 61, 107, .11);
}


.about-direction__panel::before {
    position: absolute;

    top: -180px;
    right: -120px;

    width: 480px;
    height: 480px;

    content: "";

    border:
        70px solid rgba(255, 255, 255, .035);

    border-radius:
        50%;

    pointer-events: none;
}


/* =========================================================
   HEADING
========================================================= */

.about-direction__heading {
    position: relative;
    z-index: 1;

    width: min(100%, 860px);

    margin: 0 auto 34px;

    text-align: center;
}


.about-direction__heading .about-heading-line {
    margin: 11px auto 21px;
}


.about-direction__heading h2 {
    margin: 0;

    color: #ffffff;

    font-size: clamp(34px, 3.2vw, 47px);
    font-weight: 850;

    line-height: 1.12;

    letter-spacing: -.04em;
}


.about-direction__heading h2 span {
    display: block;

    color: #ffffff;
}


.about-direction__heading>p {
    width: min(100%, 760px);

    margin: 17px auto 0;

    color: rgba(255, 255, 255, .78);

    font-size: 14px;

    line-height: 1.75;
}


/* =========================================================
   VISION / MISSION
========================================================= */

.about-direction__primary {
    position: relative;
    z-index: 1;

    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 16px;
}


.about-direction-card {
    display: grid;

    grid-template-columns:
        52px minmax(0, 1fr);

    align-items: start;

    gap: 16px;

    min-height: 190px;

    padding: 24px 26px;

    border:
        1px solid rgba(255, 255, 255, .24);

    border-radius: 20px;

    background: #ffffff;

    box-shadow:
        0 14px 32px rgba(18, 61, 107, .10);

    transition:
        transform .25s ease,
        border-color .25s ease,
        box-shadow .25s ease,
        background-color .25s ease;
}

@media (hover: hover) {

    .about-direction-card:hover {
        transform:
            translateY(-6px);

        border-color:
            rgba(255, 255, 255, .72);

        box-shadow:
            0 24px 52px rgba(18, 61, 107, .20);
    }

}

.about-direction-card__icon {
    width: 58px;
    height: 58px;

    display: grid;

    place-items: center;

    border-radius: 16px;

    background: #e8f4fb;

    color: var(--about-blue);

    font-size: 19px;

    transition:
        transform .25s ease,
        background-color .25s ease,
        color .25s ease,
        box-shadow .25s ease;
}

@media (hover: hover) {

    .about-direction-card:hover .about-direction-card__icon {

        transform:
            scale(1.08);

        background:
            var(--about-blue);

        color:
            #ffffff;

        box-shadow:
            0 10px 22px rgba(30, 115, 190, .22);
    }

}


.about-direction-card__label {
    display: block;

    margin: 2px 0 7px;

    color: var(--about-blue);

    font-size: 10px;
    font-weight: 850;

    letter-spacing: .14em;
}


.about-direction-card h3 {
    margin: 0 0 10px;

    color: var(--about-navy);

    font-size: clamp(19px, 1.6vw, 24px);
    font-weight: 800;

    line-height: 1.3;
}


.about-direction-card p {
    margin: 0;

    color: var(--about-text);

    font-size: 13px;

    line-height: 1.7;
}


/* =========================================================
   CORE VALUES
========================================================= */

.about-direction__values {
    position: relative;
    z-index: 1;

    margin-top: 30px;

    padding-top: 27px;

    border-top:
        1px solid rgba(255, 255, 255, .20);
}


.about-direction__values-heading {
    margin-bottom: 17px;

    text-align: center;
}


.about-direction__values-heading>span {
    display: block;

    margin-bottom: 7px;

    color:
        rgba(255, 255, 255, .72);

    font-size: 10px;
    font-weight: 850;

    letter-spacing: .15em;
}


.about-direction__values-heading h3 {
    margin: 0;

    color: #ffffff;

    font-size: clamp(23px, 2vw, 31px);

    font-weight: 820;
}


.about-direction__values-heading strong {
    color: #ffffff;
}


.about-direction__values-grid {
    display: grid;

    grid-template-columns:
        repeat(5, minmax(0, 1fr));

    gap: 12px;
}


.about-direction-value {
    position: relative;

    min-height: 165px;

    padding: 19px 17px;

    overflow: hidden;

    border:
        1px solid rgba(255, 255, 255, .18);

    border-radius: 16px;

    background:
        rgba(255, 255, 255, .97);

    box-shadow:
        0 9px 24px rgba(18, 61, 107, .07);

    transition:
        transform .24s ease,
        border-color .24s ease,
        box-shadow .24s ease;
}

@media (hover: hover) {

    .about-direction-value:hover {
        transform:
            translateY(-6px);

        border-color:
            rgba(255, 255, 255, .76);

        box-shadow:
            0 20px 42px rgba(18, 61, 107, .18);
    }

}


.about-direction-value>span {
    position: absolute;

    top: 18px;
    right: 18px;

    color:
        #d7e9f2;

    font-size:
        24px;

    font-weight:
        850;

    transition:
        color .24s ease,
        transform .24s ease;
}

@media (hover: hover) {

    .about-direction-value:hover>span {
        transform:
            translateY(-2px);

        color:
            rgba(30, 115, 190, .28);
    }

}


.about-direction-value>i {
    width: 42px;
    height: 42px;

    display: grid;

    place-items: center;

    margin-bottom: 14px;

    border-radius: 12px;

    background:
        #e8f4fb;

    color:
        var(--about-blue);

    font-size:
        14px;

    transition:
        transform .24s ease,
        background-color .24s ease,
        color .24s ease,
        box-shadow .24s ease;
}

@media (hover: hover) {

    .about-direction-value:hover>i {
        transform:
            translateY(-2px) scale(1.08);

        background:
            var(--about-blue);

        color:
            #ffffff;

        box-shadow:
            0 9px 20px rgba(30, 115, 190, .22);
    }

}


.about-direction-value h4 {
    margin: 0 0 8px;

    color: var(--about-navy);

    font-size: 16px;

    font-weight: 800;
}


.about-direction-value p {
    margin: 0;

    color: var(--about-text);

    font-size: 11.75px;

    line-height: 1.6;
}

@media (max-width: 1050px) {

    .about-direction {
        padding:
            46px 0 50px;
    }


    .about-direction__panel {
        width:
            min(100%, 920px);

        padding:
            46px 36px 42px;

        border-radius:
            24px;
    }


    .about-direction__values-grid {
        grid-template-columns:
            repeat(3, minmax(0, 1fr));
    }

}


@media (max-width: 720px) {

    .about-direction {
        padding:
            34px 0 38px;
    }

    .about-direction__panel {
        padding:
            36px 20px 28px;

        border-radius:
            20px;
    }


    .about-direction__heading {
        margin-bottom: 25px;

        text-align: left;
    }


    .about-direction__heading .about-heading-line {
        margin: 11px 0 18px;
    }


    .about-direction__primary,
    .about-direction__values-grid {
        grid-template-columns: 1fr;
    }


    .about-direction-card {
        grid-template-columns:
            48px minmax(0, 1fr);

        min-height: 0;

        padding: 19px 17px;
    }


    .about-direction-card__icon {
        width: 48px;
        height: 48px;

        border-radius: 13px;
    }


    .about-direction-value {
        min-height: 0;
    }

}

/* =========================================================
   ABOUT LEARNING
   HÀNH TRÌNH HỌC TẠI HERO
========================================================= */

.about-learning {
    position: relative;

    padding:
        58px 0 82px;

    /*
     * Không tô nền toàn section.
     */
    background:
        #ffffff;
}


/* =========================================================
   SOFT PANEL
========================================================= */

.about-learning__panel {
    position: relative;

    width:
        100%;

    margin-inline:
        auto;

    padding:
        24px 0 38px;

    overflow:
        visible;

    border: 0;

    border-radius: 0;

    background: transparent;
}


/*
 * Decoration cực nhẹ.
 */
.about-learning__panel::before {
    content: none;
}


/* =========================================================
   HEADING
========================================================= */

.about-learning__heading {
    position: relative;

    z-index: 2;

    width:
        min(100%, 820px);

    margin:
        0 auto 18px;

    text-align:
        center;
}


.about-learning__heading .about-heading-line {
    margin:
        11px auto 20px;
}


.about-learning__heading h2 {
    margin:
        0;

    color:
        var(--about-navy);

    font-size:
        clamp(31px, 2.7vw, 40px);

    font-weight:
        850;

    line-height:
        1.12;

    letter-spacing:
        -.04em;
}


.about-learning__heading h2 span {
    color:
        var(--about-blue);
}


.about-learning__heading p {
    width:
        min(100%, 720px);

    margin:
        14px auto 0;

    color:
        var(--about-text);

    font-size:
        14px;

    line-height:
        1.7;
}


/* =========================================================
   TIMELINE
========================================================= */

.about-learning__timeline {
    position: relative;

    left: 50%;

    z-index: 2;

    width:
        min(calc(100% + 160px), calc(100vw - 32px));

    min-height:
        420px;

    margin:
        38px auto 0;

    transform:
        translateX(-50%);
}


/* =========================================================
   CONNECTING PATH
========================================================= */

.about-learning__path {
    position: absolute;

    inset: 0;

    z-index: 0;

    width: 100%;
    height: 100%;

    overflow: visible;

    pointer-events: none;
}


.about-learning__path polyline {
    fill: none;

    stroke:
        #9bcde2;

    stroke-width:
        2.25;

    stroke-linecap:
        round;

    stroke-linejoin:
        round;

    vector-effect:
        non-scaling-stroke;
}


/* =========================================================
   STEPS GRID
========================================================= */

.about-learning__steps {
    position: relative;

    z-index: 2;

    display: grid;

    grid-template-columns:
        repeat(5, minmax(0, 1fr));

    width: 100%;

    min-height:
        420px;

    margin: 0;

    padding: 0;

    list-style: none;
}


/* =========================================================
   INDIVIDUAL STEP
========================================================= */

.about-learning-step {
    position: relative;

    min-width: 0;
    min-height: 420px;
}


/* =========================================================
   NODE
========================================================= */

.about-learning-step__node {
    position: absolute;

    left: 50%;

    z-index: 3;

    width:
        66px;

    height:
        66px;

    transform:
        translate(-50%, -50%);

    transition:
        transform .25s ease;
}


/*
 * 01 / 03 / 05 ở phía trên.
 */
.about-learning-step:nth-child(odd) .about-learning-step__node {
    top:
        31%;
}


/*
 * 02 / 04 ở phía dưới.
 */
.about-learning-step:nth-child(even) .about-learning-step__node {
    top:
        69%;
}


/* =========================================================
   ICON CIRCLE
========================================================= */

.about-learning-step__icon {
    width:
        66px;

    height:
        66px;

    display:
        grid;

    place-items:
        center;

    border:
        5px solid #ffffff;

    border-radius:
        50%;

    background:
        #ffffff;

    color:
        var(--about-blue);

    box-shadow:
        0 10px 28px rgba(18, 61, 107, .12);

    font-size:
        21px;

    transition:
        transform .25s ease,
        background-color .25s ease,
        color .25s ease,
        box-shadow .25s ease;
}


/* =========================================================
   NUMBER BADGE
========================================================= */

.about-learning-step__number {
    position: absolute;

    top:
        -8px;

    left:
        -8px;

    z-index:
        4;

    width:
        31px;

    height:
        31px;

    display:
        grid;

    place-items:
        center;

    border:
        3px solid #ffffff;

    border-radius:
        50%;

    background:
        var(--about-blue);

    color:
        #ffffff;

    font-size:
        9px;

    font-weight:
        850;

    line-height:
        1;

    box-shadow:
        0 6px 16px rgba(18, 61, 107, .12);

    transition:
        transform .25s ease,
        background-color .25s ease;
}


/* =========================================================
   STEP CONTENT
========================================================= */

.about-learning-step__content {
    position: absolute;

    left: 50%;

    width:
        min(100%, 230px);

    padding:
        8px 10px;

    transform:
        translateX(-50%);

    text-align:
        center;

    border-radius:
        14px;

    transition:
        transform .25s ease,
        background-color .25s ease,
        box-shadow .25s ease;
}


/*
 * 01 / 03 / 05:
 * node phía trên → text nằm phía dưới.
 */
.about-learning-step:nth-child(odd) .about-learning-step__content {
    top:
        48%;
}


/*
 * 02 / 04:
 * node phía dưới → text nằm phía trên.
 */
.about-learning-step:nth-child(even) .about-learning-step__content {
    bottom:
        47%;
}


/* =========================================================
   LABEL
========================================================= */

.about-learning-step__content small {
    display: block;

    margin-bottom:
        6px;

    color:
        var(--about-blue);

    font-size:
        9px;

    font-weight:
        850;

    line-height:
        1.35;

    letter-spacing:
        .08em;
}


/* =========================================================
   TITLE
========================================================= */

.about-learning-step__content h3 {
    margin:
        0 0 7px;

    color:
        var(--about-navy);

    font-size:
        15px;

    font-weight:
        800;

    line-height:
        1.35;

    transition:
        color .25s ease;
}


/* =========================================================
   DESCRIPTION
========================================================= */

.about-learning-step__content p {
    margin:
        0;

    color:
        var(--about-text);

    font-size:
        12px;

    line-height:
        1.62;
}


/* =========================================================
   HOVER
========================================================= */

@media (hover: hover) {

    .about-learning-step:hover .about-learning-step__node {
        transform:
            translate(-50%, -50%) translateY(-4px);
    }


    .about-learning-step:hover .about-learning-step__icon {
        transform:
            scale(1.08);

        background:
            var(--about-blue);

        color:
            #ffffff;

        box-shadow:
            0 16px 34px rgba(30, 115, 190, .22);
    }


    .about-learning-step:hover .about-learning-step__number {
        transform:
            scale(1.08);

        background:
            var(--about-navy);
    }


    .about-learning-step:hover .about-learning-step__content {
        transform:
            translateX(-50%);

        background:
            rgba(255, 255, 255, .72);

        box-shadow:
            0 12px 28px rgba(18, 61, 107, .055);
    }


    .about-learning-step:hover .about-learning-step__content h3 {
        color:
            var(--about-blue);
    }

}


/* =========================================================
   CTA
========================================================= */

.about-learning__action {
    position: relative;

    z-index: 3;

    display: flex;

    justify-content: center;

    margin-top:
        12px;
}


/* =========================================================
   TABLET / SMALL DESKTOP
========================================================= */

@media (max-width: 1100px) {

    .about-learning {
        padding:
            46px 0 62px;
    }


    .about-learning__panel {
        padding:
            44px 32px 36px;

        border-radius:
            0;
    }


    /*
     * Zig-zag chuyển thành timeline dọc.
     */
    .about-learning__timeline {
        left: auto;

        width: 100%;

        min-height: 0;

        margin-top:
            36px;

        transform: none;
    }


    .about-learning__path {
        display:
            none;
    }


    .about-learning__steps {
        position: relative;

        grid-template-columns:
            1fr;

        gap:
            10px;

        min-height:
            0;
    }


    /*
     * Đường dọc.
     */
    .about-learning__steps::before {
        position: absolute;

        top:
            28px;

        bottom:
            28px;

        left:
            31px;

        width:
            2px;

        content:
            "";

        background:
            #c3e0ec;
    }


    .about-learning-step {
        display: grid;

        grid-template-columns:
            64px minmax(0, 1fr);

        align-items:
            center;

        gap:
            16px;

        min-height:
            0;

        padding:
            13px 0;
    }


    .about-learning-step__node,
    .about-learning-step:nth-child(odd) .about-learning-step__node,
    .about-learning-step:nth-child(even) .about-learning-step__node {

        position:
            relative;

        top:
            auto;

        left:
            auto;

        grid-column:
            1;

        grid-row:
            1;

        transform:
            none;
    }


    .about-learning-step__content,
    .about-learning-step:nth-child(odd) .about-learning-step__content,
    .about-learning-step:nth-child(even) .about-learning-step__content {

        position:
            relative;

        top:
            auto;

        bottom:
            auto;

        left:
            auto;

        grid-column:
            2;

        grid-row:
            1;

        width:
            auto;

        padding:
            13px 15px;

        transform:
            none;

        border:
            1px solid #deebf1;

        background:
            rgba(255, 255, 255, .74);

        text-align:
            left;
    }


    @media (hover: hover) {

        .about-learning-step:hover .about-learning-step__node {
            transform:
                translateY(-3px);
        }


        .about-learning-step:hover .about-learning-step__content {
            transform:
                translateY(-3px);
        }

    }

}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 620px) {

    .about-learning {
        padding:
            34px 0 50px;
    }


    .about-learning__panel {
        padding:
            34px 18px 28px;

        border-radius:
            20px;
    }


    .about-learning__heading {
        margin-bottom:
            22px;

        text-align:
            left;
    }


    .about-learning__heading .about-heading-line {
        margin:
            11px 0 18px;
    }


    .about-learning__heading h2 {
        font-size:
            clamp(29px, 8.5vw, 36px);
    }


    .about-learning__heading p {
        font-size:
            13px;
    }


    .about-learning-step {
        grid-template-columns:
            56px minmax(0, 1fr);

        gap:
            12px;
    }


    .about-learning__steps::before {
        left:
            27px;
    }


    .about-learning-step__node {
        width:
            56px;

        height:
            56px;
    }


    .about-learning-step__icon {
        width:
            56px;

        height:
            56px;

        font-size:
            17px;
    }


    .about-learning-step__number {
        width:
            27px;

        height:
            27px;

        font-size:
            8px;
    }


    .about-learning-step__content {
        padding:
            12px 13px;
    }


    .about-learning-step__content small {
        font-size:
            8px;
    }


    .about-learning-step__content h3 {
        font-size:
            14px;
    }


    .about-learning-step__content p {
        font-size:
            11px;
    }


    .about-learning__action {
        margin-top:
            20px;
    }


    .about-learning__action .about-button {
        width:
            100%;
    }

}

/* =========================================================
   ABOUT STRENGTHS
========================================================= */

.about-strengths {
    padding: 84px 0 90px;

    background: #f9fafb;
}


/* =========================================================
   INTRO
========================================================= */

.about-strengths__intro {
    display: grid;

    grid-template-columns:
        minmax(0, .88fr) minmax(0, 1.12fr);

    align-items: center;

    gap: clamp(45px, 5vw, 72px);

    margin-bottom: 40px;
}


/* =========================================================
   MEDIA
========================================================= */

.about-strengths__media {
    position: relative;

    min-height: 430px;

    padding: 0 42px 36px 0;
}


.about-strengths__image {
    margin: 0;

    overflow: hidden;

    background: #eaf5fa;

    box-shadow:
        0 20px 48px rgba(18, 61, 107, .12);
}


.about-strengths__image img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;
}


.about-strengths__image--main {
    width: 82%;

    aspect-ratio: 4 / 3;

    border-radius:
        36px 16px 36px 16px;
}


.about-strengths__image--secondary {
    position: absolute;

    right: 0;
    bottom: 0;

    width: 46%;

    aspect-ratio: 1 / 1;

    border: 7px solid #f9fafb;

    border-radius:
        22px 10px 22px 10px;
}


/* =========================================================
   HEADING
========================================================= */

.about-strengths__heading h2 {
    max-width: 650px;

    margin: 21px 0 17px;

    color: var(--about-navy);

    font-size: clamp(34px, 3vw, 45px);

    font-weight: 850;

    line-height: 1.12;

    letter-spacing: -.04em;
}


.about-strengths__heading h2 span {
    color: var(--about-blue);
}


.about-strengths__heading>p {
    max-width: 650px;

    margin: 0;

    color: var(--about-text);

    font-size: 14px;

    line-height: 1.75;
}


.about-strengths__heading blockquote {
    margin: 22px 0 0;

    padding: 15px 18px;

    border-left:
        3px solid var(--about-blue);

    border-radius:
        0 12px 12px 0;

    background: #eef7fb;

    color: #4f6b80;

    font-size: 13px;

    font-weight: 650;

    line-height: 1.65;
}


/* =========================================================
   CARDS
========================================================= */

.about-strengths__cards {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 14px;
}


.about-strength-card {
    position: relative;

    min-height: 205px;

    padding: 24px 25px;

    overflow: hidden;

    border:
        1px solid var(--about-border);

    border-radius: 18px;

    background: #ffffff;

    box-shadow:
        0 10px 28px rgba(18, 61, 107, .045);

    transition:
        transform .22s ease,
        border-color .22s ease,
        box-shadow .22s ease;
}


.about-strength-card__number {
    position: absolute;

    top: 20px;
    right: 22px;

    color: #d8e9f2;

    font-size: 28px;

    font-weight: 850;
}


.about-strength-card__icon {
    width: 48px;
    height: 48px;

    display: grid;

    place-items: center;

    margin-bottom: 17px;

    border-radius: 13px;

    background: #e8f4fb;

    color: var(--about-blue);
}

.about-strength-card__points {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.about-strength-card__points p {
    position: relative;
    margin: 0;
    padding-left: 18px;
    line-height: 1.7;
}

.about-strength-card__points p::before {
    content: "";
    position: absolute;
    top: 0.72em;
    left: 0;

    width: 6px;
    height: 6px;

    background: #1e73be;
    border-radius: 50%;
}


.about-strength-card h3 {
    max-width: 75%;

    margin: 0 0 9px;

    color: var(--about-navy);

    font-size: 16px;

    font-weight: 800;

    line-height: 1.4;
}


.about-strength-card p {
    max-width: 92%;

    margin: 0;

    color: var(--about-text);

    font-size: 12.25px;

    line-height: 1.7;
}


@media (hover: hover) {

    .about-strength-card:hover {
        transform: translateY(-3px);

        border-color: #0b1fd3;
        background: #afcdeb;

        box-shadow:
            0 17px 38px rgba(18, 61, 107, .08);
    }

}


@media (max-width: 950px) {

    .about-strengths__intro {
        grid-template-columns: 1fr;
    }


    .about-strengths__media,
    .about-strengths__heading {
        width: min(100%, 760px);

        margin-inline: auto;
    }

}


@media (max-width: 720px) {

    .about-strengths {
        padding: 56px 0 60px;
    }


    .about-strengths__intro {
        gap: 30px;

        margin-bottom: 28px;
    }


    .about-strengths__media {
        min-height: 350px;
    }


    .about-strengths__cards {
        grid-template-columns: 1fr;

        gap: 10px;
    }


    .about-strength-card {
        min-height: 0;

        padding: 21px 19px;
    }

}

/* =========================================================
   ABOUT CTA
========================================================= */

.about-cta {
    padding: 64px 0;

    background: #eef8fc;
}


.about-cta__inner {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr) auto;

    align-items: center;

    gap: 50px;

    padding: 36px 40px;

    border: 1px solid #d3e7f0;
    border-radius: 20px;

    background: #ffffff;

    box-shadow:
        0 16px 40px rgba(18, 61, 107, .06);
}


.about-cta__content>span {
    display: block;

    margin-bottom: 9px;

    color: var(--about-blue);

    font-size: 10px;
    font-weight: 850;

    letter-spacing: .13em;
}


.about-cta h2 {
    max-width: 660px;

    margin: 0 0 10px;

    color: var(--about-navy);

    font-size: clamp(27px, 2.4vw, 36px);

    font-weight: 850;

    line-height: 1.18;
}


.about-cta p {
    max-width: 650px;

    margin: 0;

    color: var(--about-text);

    font-size: 13px;

    line-height: 1.7;
}


.about-cta__actions {
    display: flex;

    gap: 10px;
}


.about-cta__primary,
.about-cta__secondary {
    min-height: 49px;

    display: inline-flex;

    align-items: center;
    justify-content: center;

    gap: 9px;

    padding: 0 19px;

    border-radius: 11px;

    font-size: 12px;
    font-weight: 700;

    white-space: nowrap;

    text-decoration: none;
}


.about-cta__primary {
    border:
        1px solid var(--about-accent);

    background:
        var(--about-accent);

    color: #ffffff;

    box-shadow:
        0 10px 24px rgba(22, 139, 249, .18);
}


.about-cta__secondary {
    border:
        1px solid #bfd9e6;

    background: #ffffff;

    color: var(--about-navy);
}


@media (hover: hover) {

    .about-cta__primary:hover {
        transform: translateY(-2px);

        background:
            var(--about-accent-hover);

        color: #ffffff;
    }

    .about-cta__secondary:hover {
        transform: translateY(-2px);

        border-color: #007cfc;
        background: #007cfc;

        color: #ffffff;
    }

}


@media (max-width: 900px) {

    .about-cta__inner {
        grid-template-columns: 1fr;

        gap: 25px;
    }

}


@media (max-width: 620px) {

    .about-cta {
        padding: 46px 0;
    }


    .about-cta__inner {
        padding: 27px 20px;
    }


    .about-cta__actions {
        flex-direction: column;
    }


    .about-cta__primary,
    .about-cta__secondary {
        width: 100%;
    }

}

/* =========================================================
   2026 CMS HERO MEDIA POLISH
   Ảnh upload phủ kín khung và bo góc theo khung.
========================================================= */

.about-hero__image {
    min-height: clamp(420px, 39vw, 620px);
    display: block;
    background: #edf6fa;
}

.about-hero__image::after {
    display: none;
}

.about-hero__image img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-height: none;
    padding: 0;
    border-radius: inherit;
    object-fit: cover;
    object-position: center;
    background: transparent;
}

.about-hero__lead {
    max-width: 700px !important;
    margin-bottom: 10px !important;
    color: #506d82 !important;
    font-size: 16px !important;
    font-weight: 600;
    line-height: 1.75 !important;
}

@media (max-width: 900px) {
    .about-hero__image {
        min-height: 0;
        aspect-ratio: 16 / 10;
    }

    .about-hero__image img {
        max-height: none;
    }
}