.okc-wrap {
    --okc-blue: #032a5d;
    --okc-red: #dc0920;
    max-width: 1300px;
    margin: 0 auto;
    color: var(--okc-blue);
    padding-top: 30px;
    padding-bottom: 30px;
}

.okc-wrap * {
    box-sizing: border-box
}

.okc-wrap h1,
.okc-wrap h2,
.okc-wrap h3 {
    color: var(--okc-blue)
}

.okc-wrap a {
    text-decoration: none
}

.okc-listing {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    gap: 36px
}

.okc-listing>* {
    min-width: 0
}

.okc-sidebar nav {
    background: #fcfdff;
    border: 1px solid #eef1f5;
    border-radius: 12px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px
}

.okc-sidebar nav a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 12px;
    color: var(--okc-blue);
    border-radius: 8px;
    border-bottom: 1px solid #f0f3f7;
    font-size: 14px;
}

.okc-sidebar .dashicons {
    color: var(--okc-red);
    flex-shrink: 0;
    width: 25px;
    height: 25px;
    font-size: 25px
}

.okc-sidebar nav a.active {
    background: var(--okc-red);
    color: #fff
}

.okc-sidebar nav a.active .dashicons {
    color: #fff
}

.okc-consult {
    margin-top: 28px;
    padding: 22px 18px 0;
    background: #eff6fc;
    border-radius: 12px;
    overflow: hidden
}

.okc-consult h3 {
    font-size: 21px
}

.okc-consult p {
    font-size: 15px;
    line-height: 1.7
}

.okc-button {
    display: block;
    background: var(--okc-red);
    color: #fff !important;
    border-radius: 12px;
    text-align: center;
    padding: 14px 18px;
    font-weight: 600
}

.okc-button:hover {
    background: #b71923
}

.okc-consult .okc-button {
    border-radius: 30px
}

.okc-consult-image {
    width: 100%;
    height: auto;
    display: block;
    margin: 16px 0 0
}

.okc-heading {
    font-size: 24px;
    padding-bottom: 12px;
    position: relative
}

.okc-heading:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 45px;
    height: 2px;
    background: var(--okc-red)
}

.okc-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px
}

.okc-card {
    border: 1px solid #eef1f5;
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
    background: #fff;
    padding-bottom: 22px;
    box-shadow: 0 4px 18px #092e6406
}

.okc-cover {
    display: block;
    aspect-ratio: 1.55;
    overflow: hidden;
    background: #edf4fb
}

.okc-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block
}

.okc-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e1efff, #f4f8fc);
    color: #092e64;
    min-height: 180px;
    height: 100%;
    font-weight: 700
}

.okc-badge {
    display: flex;
    position: relative;
    margin: -35px auto 10px;
    align-items: center;
    justify-content: center;
    width: 74px;
    height: 74px;
    border: 4px solid #fff;
    border-radius: 50%;
    background: var(--okc-red);
    color: #fff
}

.okc-badge.is-blue {
    background: var(--okc-blue)
}

.okc-badge .dashicons {
    width: 32px;
    height: 32px;
    font-size: 32px
}

.okc-card h3 {
    font-size: 18px;
}

.okc-card h3 a {
    color: var(--okc-blue)
}

.okc-card p {
    font-size: 14px;
    line-height: 1.6;
    min-height: 48px
}

.okc-detail {
    color: var(--okc-red);
    font-weight: 600
}

.okc-pagination {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 28px 0
}

.okc-pagination .page-numbers {
    padding: 7px 13px;
    border: 1px solid #dfe8f0;
    border-radius: 5px
}

.okc-pagination .current {
    background: var(--okc-red);
    color: #fff
}

.okc-hero {
    background: #edf6fd
}

.okc-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
    padding-top: 0;
    padding-bottom: 0
}

.okc-hero-grid>div {
    padding: 25px 0
}

.okc-breadcrumb {
    font-size: 14px;
    margin-bottom: 24px;
    color: #43566a
}

.okc-breadcrumb a {
    color: inherit
}

.okc-kicker {
    font-size: 34px;
    font-weight: 800;
    color: var(--okc-blue);
    margin-bottom: 8px
}

.okc-hero h1 {
    font-size: 38px;
    color: var(--okc-red);
    text-transform: uppercase;
    line-height: 1.2
}

.okc-hero p {
    line-height: 1.6
}

.okc-hero-image {
    width: 100%;
    height: 340px;
    object-fit: cover;
    display: block
}

.okc-overview {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 30px
}

.okc-main-media {
    position: relative;
    background: #edf4fb;
    border-radius: 10px;
    overflow: hidden
}

.okc-main-image {
    display: block;
    width: 100%;
    aspect-ratio: 1.75;
    object-fit: cover
}

.okc-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    width: 76px;
    height: 76px;
    background: #0008;
    color: #fff;
    border: 3px solid #fff;
    font-size: 30px;
    padding: 0;
    margin: 0;
    line-height: 1
}

.okc-thumbnails {
    display: flex;
    gap: 12px;
    margin-top: 12px;
    overflow-x: auto;
    padding: 3px
}

.okc-thumbnails button {
    padding: 0;
    margin: 0;
    min-width: calc(25% - 9px);
    width: calc(25% - 9px);
    border: 2px solid transparent;
    border-radius: 6px;
    overflow: hidden;
    height: auto;
    line-height: 1
}

.okc-thumbnails button[aria-pressed=true] {
    border-color: var(--okc-red)
}

.okc-thumbnails img {
    display: block;
    width: 100%;
    aspect-ratio: 1.6;
    object-fit: cover
}

.okc-video {
    margin-top: 16px
}

.okc-video iframe,
.okc-video video {
    width: 100%;
    aspect-ratio: 16/9;
    height: auto
}

.okc-info {
    background: #f2f7fc;
    border-radius: 12px;
    padding: 26px
}

.okc-info h2 {
    font-size: 23px
}

.okc-info dl {
    margin-bottom: 20px
}

.okc-info dl>div {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 8px;
    border-bottom: 1px solid #fff;
    padding: 16px 0
}

.okc-info dt {
    display: flex;
    gap: 10px;
    font-weight: 600;
    font-size: 14px
}

.okc-info dt .dashicons {
    color: var(--okc-red);
    flex-shrink: 0
}

.okc-info dd {
    margin: 0;
    font-size: 14px
}

.okc-zalo {
    display: block;
    border: 1px solid #4f96c2;
    border-radius: 12px;
    padding: 13px;
    text-align: center;
    color: #12649a;
    margin-top: 10px;
    font-weight: 600
}

.okc-phone {
    font-size: 13px;
    text-align: center;
    margin: 12px 0 0
}

.okc-tabs {
    margin-top: 28px
}

.okc-tab-list {
    display: flex;
    gap: 8px;
    background: #f9fbfd;
    padding: 8px;
    border-radius: 12px;
    overflow-x: auto;
    margin-bottom: 24px
}

.okc-tab-list button {
    flex: 1;
    white-space: nowrap;
    border: 0;
    padding: 12px 14px;
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    border-radius: 9px;
    color: #2c4057;
    background: transparent;
    line-height: 1.5
}

.okc-tab-list button[aria-selected=true] {
    background: var(--okc-red);
    color: #fff
}

.okc-content-grid {
    display: grid;
    grid-template-columns: 1.65fr 1fr;
    gap: 32px
}

.okc-rich-content {
    line-height: 1.8
}

.okc-rich-content ol,
.okc-rich-content ul {
    margin-left: 0;
    margin-right: 0;
    padding-left: 1.5em;
    list-style-position: outside
}

.okc-rich-content img {
    max-width: 100%;
    height: auto
}

.okc-goals {
    background: #fff3f3;
    border-radius: 12px;
    padding: 24px;
    align-self: start
}

.okc-goals h3 {
    color: var(--okc-red);
    font-size: 21px
}

.okc-goals ul {
    list-style: none;
    padding: 0;
    margin: 0
}

.okc-goals li {
    position: relative;
    padding-left: 26px;
    margin: 12px 0
}

.okc-goals li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #438943;
    font-weight: bold
}

.okc-benefits {
    margin-top: 32px
}

.okc-benefits>div {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px
}

.okc-benefits article {
    padding: 24px 15px;
    text-align: center;
    border: 1px solid #f0f3f6;
    border-radius: 10px
}

.okc-benefits .dashicons {
    font-size: 36px;
    width: 36px;
    height: 36px;
    color: var(--okc-red);
    margin-bottom: 18px
}

.okc-benefits h3 {
    font-size: 16px
}

.okc-benefits p {
    font-size: 14px;
    line-height: 1.6
}

.okc-wrap [hidden] {
    display: none !important
}

.okc-wrap button {
    cursor: pointer
}

.okc-wrap :focus-visible {
    outline: 3px solid #efb322;
    outline-offset: 3px
}

.okc-card-content {
    padding-left: 5px;
    padding-right: 5px;

}

@media(max-width:1100px) {
    .okc-listing {
        grid-template-columns: 230px minmax(0, 1fr);
        gap: 24px
    }

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

    .okc-overview {
        grid-template-columns: 1.15fr 1fr
    }

    .okc-info {
        padding: 18px
    }

    .okc-benefits>div {
        grid-template-columns: repeat(3, minmax(0, 1fr))
    }
}

@media(max-width:760px) {

    .okc-wrap {
        padding: 30px 15px;
    }

    .okc-sidebar nav a {
        padding: 8px 12px;
    }

    .okc-detail {
        font-size: 14px;
    }

    .okc-tab-list button {
        flex: 0 0 auto;
        width: auto;
        max-width: none
    }

    .okc-listing,
    .okc-overview,
    .okc-content-grid,
    .okc-hero-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 22px
    }

    .okc-sidebar nav {
        flex-direction: row;
        overflow-x: auto
    }

    .okc-sidebar nav a {
        flex-shrink: 0;
        white-space: nowrap;
        border: 0
    }

    .okc-sidebar .okc-consult {
        display: none
    }

    .okc-hero h1 {
        font-size: 28px
    }

    .okc-kicker {
        font-size: 27px
    }

    .okc-hero-image {
        height: 220px;
        border-radius: 8px
    }

    .okc-hero-grid>div {
        padding: 0
    }

    .okc-card h3 {
        font-size: 16px
    }

    .okc-grid {
        gap: 12px
    }

    .okc-card p {
        font-size: 13px;
        margin: 10px
    }

    .okc-badge {
        width: 60px;
        height: 60px;
        margin-top: -30px
    }

    .okc-benefits>div {
        grid-template-columns: repeat(2, minmax(0, 1fr))
    }

    .okc-heading {
        font-size: 22px
    }

    .okc-info dl>div {
        grid-template-columns: 40% 60%
    }
}
/* Course hero uses the saved UX Builder Section and Oanh Title styles. */
.okc-builder-hero {
    width: 100%;
    max-width: none
}

.okc-builder-hero > .section-bg > img.bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center
}

.okc-builder-hero-description {
    color: #032a5d;
    line-height: 1.6
}

.okc-builder-hero .oanh-title__highlight {
    display: block
}

@media (max-width: 760px) {
    .okc-builder-hero .oanh-title h1.oanh-title__heading {
        font-size: 28px
    }
}