/* =========================================================
   COURSE DETAIL PAGE
   Template dùng chung cho toàn bộ khóa học.
   Ngôn ngữ thiết kế kế thừa trang Giới thiệu và Program page.
========================================================= */

.course-detail-page {
    --course-blue: #1e73be;
    --course-blue-dark: #17639f;
    --course-navy: #123d6b;
    --course-text: #60778b;
    --course-muted: #7d91a2;
    --course-soft: #eef8fc;
    --course-soft-2: #f6fafc;
    --course-page-soft: #f5f8fa;
    --course-border: #d8e7ef;

    width: 100%;
    overflow: hidden;
    background: #fff;
}

.course-detail-shell {
    width: min(calc(100% - 48px), 1380px);
    margin-inline: auto;
}

.course-detail-eyebrow {
    display: inline-block;
    color: var(--course-blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.course-detail-eyebrow--light {
    color: #c8e8fa;
}

.course-detail-heading-line {
    width: 54px;
    height: 3px;
    display: block;
    margin: 13px 0 18px;
    border-radius: 999px;
    background: var(--course-blue);
}

.course-detail-heading-line--light {
    background: rgba(255, 255, 255, .72);
}

.course-detail-section-heading h2,
.course-detail-curriculum__content h2,
.course-detail-outcomes__heading h2 {
    margin: 0;
    color: var(--course-navy);
    font-size: clamp(30px, 3vw, 46px);
    line-height: 1.16;
    letter-spacing: -.035em;
}

.course-detail-section-heading h2 span,
.course-detail-curriculum__content h2 span {
    color: var(--course-blue);
}

.course-detail-section-heading>p,
.course-detail-section-heading--split>p {
    max-width: 720px;
    margin: 17px 0 0;
    color: var(--course-text);
    font-size: 16px;
    line-height: 1.75;
}

.course-detail-section-heading--split {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(380px, .75fr);
    align-items: end;
    gap: 42px;
    margin-bottom: 34px;
}

.course-detail-section-heading--split>p {
    margin: 0;
}

.course-detail-section-heading--center {
    max-width: 850px;
    margin: 0 auto 38px;
    text-align: center;
}

.course-detail-section-heading--center .course-detail-heading-line {
    margin-inline: auto;
}

.course-detail-section-heading--center>p {
    margin-inline: auto;
}

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

.course-detail-hero {
    padding: 44px 0 70px;
    background: var(--course-page-soft);
}

.course-detail-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, .82fr);
    align-items: center;
    gap: clamp(38px, 5vw, 76px);
}

.course-detail-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 9px;
    margin-bottom: 24px;
    color: #708496;
    font-size: 13px;
    font-weight: 600;
}

.course-detail-breadcrumb a {
    color: #526b7e;
    text-decoration: none;
}

.course-detail-breadcrumb a:hover {
    color: var(--course-blue);
}

.course-detail-breadcrumb i {
    color: #9aabb8;
    font-size: 8px;
}

.course-detail-hero__content {
    min-width: 0;
}

.course-detail-hero__content h1 {
    max-width: 820px;
    margin: 0;
    color: var(--course-navy);
    font-size: clamp(43px, 4.6vw, 70px);
    line-height: 1.06;
    letter-spacing: -.05em;
}

.course-detail-hero__lead {
    max-width: 760px;
    margin: 22px 0 0;
    color: #526f84;
    font-size: 18px;
    line-height: 1.75;
}

.course-detail-hero__facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 28px;
}

.course-detail-hero__facts>div {
    min-width: 0;
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: 10px;
    align-items: center;
    padding: 13px 14px;
    border: 1px solid var(--course-border);
    border-radius: 12px;
    background: #fff;
}

.course-detail-hero__facts>div>span {
    grid-row: 1 / 3;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: var(--course-soft);
    color: var(--course-blue);
}

.course-detail-hero__facts small {
    color: var(--course-muted);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .08em;
}

.course-detail-hero__facts strong {
    min-width: 0;
    overflow: hidden;
    color: var(--course-navy);
    font-size: 13px;
    line-height: 1.35;
    text-overflow: ellipsis;
}

.course-detail-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.course-detail-button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 11px 18px;
    border: 1px solid transparent;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 750;
    text-decoration: none;
}

.course-detail-button--primary {
    color: #fff;
    border-color: var(--course-blue);
    background: var(--course-blue);
}

.course-detail-button--primary:hover {
    color: #fff;
    border-color: var(--course-blue-dark);
    background: var(--course-blue-dark);
}

.course-detail-button--outline {
    color: var(--course-navy);
    border-color: #bed5e4;
    background: #fff;
}

.course-detail-button--outline:hover {
    color: var(--course-blue);
    border-color: #8ebbd5;
    background: #f8fcfe;
}

.course-detail-hero__visual {
    min-height: 520px;
    position: relative;
    display: grid;
    place-items: center;
    isolation: isolate;
}

.course-detail-hero__watermark {
    position: absolute;
    z-index: -1;
    top: 48%;
    left: 50%;
    color: rgba(30, 115, 190, .09);
    font-family: serif;
    font-size: clamp(250px, 24vw, 410px);
    line-height: 1;
    transform: translate(-50%, -50%);
    user-select: none;
}

.course-detail-hero__card {
    width: min(86%, 500px);
    min-height: 390px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: clamp(30px, 4vw, 46px);
    border: 10px solid #fff;
    border-radius: 26px;
    background: #eef8fc;
    box-shadow: 0 28px 60px rgba(18, 61, 107, .14);
}

.course-detail-hero__card-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    margin-bottom: 24px;
    border-radius: 15px;
    color: #fff;
    background: var(--course-blue);
    font-size: 22px;
}

.course-detail-hero__card-label {
    color: var(--course-blue);
    font-size: 10px;
    font-weight: 850;
    letter-spacing: .11em;
}

.course-detail-hero__card>strong {
    display: block;
    margin-top: 8px;
    color: var(--course-navy);
    font-size: clamp(25px, 2.3vw, 34px);
    line-height: 1.2;
}

.course-detail-hero__card>p {
    margin: 14px 0 0;
    color: var(--course-text);
    font-size: 14px;
    line-height: 1.7;
}

.course-detail-hero__tuition {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 15px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid #cfe2ec;
}

.course-detail-hero__tuition span {
    color: var(--course-muted);
    font-size: 11px;
    font-weight: 700;
}

.course-detail-hero__tuition strong {
    color: var(--course-blue);
    font-size: 18px;
}

.course-detail-hero__badge {
    position: absolute;
    right: 0;
    bottom: 7%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 17px;
    border: 1px solid rgba(30, 115, 190, .14);
    border-radius: 13px;
    background: rgba(255, 255, 255, .97);
    box-shadow: 0 18px 40px rgba(18, 61, 107, .12);
}

.course-detail-hero__badge>span {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    color: var(--course-blue);
    background: var(--course-soft);
}

.course-detail-hero__badge>div {
    display: grid;
    gap: 3px;
}

.course-detail-hero__badge small {
    color: var(--course-muted);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .08em;
}

.course-detail-hero__badge strong {
    color: var(--course-navy);
    font-size: 13px;
}

/* =========================================================
   FIT / AUDIENCE
========================================================= */

.course-detail-fit {
    padding: 88px 0;
}

.course-detail-fit__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.course-detail-info-card {
    position: relative;
    min-height: 280px;
    padding: 27px;
    border: 1px solid var(--course-border);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 12px 34px rgba(18, 61, 107, .055);
}

.course-detail-info-card__number {
    position: absolute;
    top: 22px;
    right: 24px;
    color: #dce9f1;
    font-size: 34px;
    font-weight: 900;
}

.course-detail-info-card__icon {
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    margin-bottom: 25px;
    border-radius: 13px;
    color: var(--course-blue);
    background: var(--course-soft);
    font-size: 18px;
}

.course-detail-info-card small {
    color: var(--course-blue);
    font-size: 9px;
    font-weight: 850;
    letter-spacing: .1em;
}

.course-detail-info-card h3 {
    margin: 8px 0 10px;
    color: var(--course-navy);
    font-size: 21px;
    line-height: 1.3;
}

.course-detail-info-card p {
    margin: 0;
    color: var(--course-text);
    font-size: 14px;
    line-height: 1.7;
}

/* =========================================================
   CURRICULUM
========================================================= */

.course-detail-curriculum {
    padding: 88px 0;
    background: var(--course-soft-2);
}

.course-detail-curriculum__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(330px, .65fr);
    align-items: start;
    gap: clamp(35px, 5vw, 72px);
}

.course-detail-richtext {
    max-width: 850px;
    margin-top: 23px;
}

.course-detail-richtext p,
.course-detail-empty-copy {
    margin: 0 0 12px;
    color: var(--course-text);
    font-size: 16px;
    line-height: 1.82;
}

.course-detail-empty-copy {
    margin-top: 23px;
}

.course-detail-curriculum__note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 27px;
    padding: 16px 18px;
    border-left: 3px solid var(--course-blue);
    border-radius: 0 10px 10px 0;
    background: #fff;
}

.course-detail-curriculum__note i {
    margin-top: 3px;
    color: var(--course-blue);
}

.course-detail-curriculum__note p {
    margin: 0;
    color: #567083;
    font-size: 13px;
    line-height: 1.7;
}

.course-detail-summary {
    position: sticky;
    top: 96px;
    padding: 26px;
    border: 1px solid var(--course-border);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 18px 44px rgba(18, 61, 107, .08);
}

.course-detail-summary__eyebrow {
    color: var(--course-blue);
    font-size: 9px;
    font-weight: 850;
    letter-spacing: .1em;
}

.course-detail-summary h3 {
    margin: 8px 0 20px;
    color: var(--course-navy);
    font-size: 24px;
    line-height: 1.3;
}

.course-detail-summary dl {
    display: grid;
    gap: 0;
    margin: 0;
}

.course-detail-summary dl>div {
    display: grid;
    grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
    gap: 12px;
    padding: 12px 0;
    border-top: 1px solid #e6eef3;
}

.course-detail-summary dt,
.course-detail-summary dd {
    margin: 0;
}

.course-detail-summary dt {
    color: #758b9c;
    font-size: 12px;
    font-weight: 650;
}

.course-detail-summary dt i {
    width: 18px;
    color: var(--course-blue);
}

.course-detail-summary dd {
    color: var(--course-navy);
    font-size: 12px;
    font-weight: 750;
    text-align: right;
}

.course-detail-summary__tuition dd {
    color: var(--course-blue);
    font-size: 15px;
}

.course-detail-summary>a {
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    border-radius: 9px;
    color: #fff;
    background: var(--course-blue);
    font-size: 13px;
    font-weight: 750;
    text-decoration: none;
}

.course-detail-summary>a:hover {
    color: #fff;
    background: var(--course-blue-dark);
}

/* =========================================================
   OUTCOMES
========================================================= */

.course-detail-outcomes {
    padding: 38px 0 88px;
    background: var(--course-soft-2);
}

.course-detail-outcomes__panel {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: clamp(30px, 5vw, 70px);
    align-items: center;
    padding: clamp(36px, 5vw, 62px);
    border-radius: 24px;
    background: var(--course-navy);
}

.course-detail-outcomes__heading h2,
.course-detail-outcomes__heading h2 span {
    color: #fff;
}

.course-detail-outcomes__content {
    display: grid;
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.course-detail-outcomes__icon {
    width: 62px;
    height: 62px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    color: #fff;
    background: rgba(255, 255, 255, .12);
    font-size: 22px;
}

.course-detail-outcomes__content p {
    margin: 0;
    color: rgba(255, 255, 255, .82);
    font-size: 17px;
    line-height: 1.8;
}

/* =========================================================
   SCHEDULES
========================================================= */

.course-detail-schedules {
    padding: 90px 0;
}

.course-detail-schedule-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.course-detail-schedule {
    min-width: 0;
    padding: 23px;
    border: 1px solid var(--course-border);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(18, 61, 107, .05);
}

.course-detail-schedule__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.course-detail-schedule__status {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 0 9px;
    border-radius: 999px;
    font-size: 9px;
    font-weight: 850;
    letter-spacing: .04em;
}

.course-detail-schedule__status--open {
    color: #137044;
    background: #e3f7eb;
}

.course-detail-schedule__status--warning {
    color: #8b6317;
    background: #fff3d4;
}

.course-detail-schedule__status--muted {
    color: #687a88;
    background: #edf2f5;
}

.course-detail-schedule__status--survey {
    color: #1a6290;
    background: #e6f4fb;
}

.course-detail-schedule time {
    color: var(--course-muted);
    font-size: 11px;
    font-weight: 700;
}

.course-detail-schedule h3 {
    margin: 17px 0 13px;
    color: var(--course-navy);
    font-size: 19px;
}

.course-detail-schedule dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin: 0;
}

.course-detail-schedule dl>div {
    min-width: 0;
}

.course-detail-schedule dt {
    color: var(--course-muted);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.course-detail-schedule dd {
    margin: 4px 0 0;
    color: #49657a;
    font-size: 12px;
    font-weight: 650;
}

.course-detail-schedule>a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 18px;
    color: var(--course-blue);
    font-size: 12px;
    font-weight: 800;
    text-decoration: none;
}

.course-detail-schedules__action {
    display: flex;
    justify-content: center;
    margin-top: 28px;
}

.course-detail-empty {
    max-width: 680px;
    display: grid;
    justify-items: center;
    margin: 0 auto;
    padding: 38px;
    border: 1px dashed #bed6e4;
    border-radius: 18px;
    background: #f8fcfe;
    text-align: center;
}

.course-detail-empty>span {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 15px;
    color: var(--course-blue);
    background: var(--course-soft);
    font-size: 21px;
}

.course-detail-empty h3 {
    margin: 17px 0 7px;
    color: var(--course-navy);
    font-size: 21px;
}

.course-detail-empty p {
    max-width: 520px;
    margin: 0;
    color: var(--course-text);
    line-height: 1.7;
}

.course-detail-empty a {
    margin-top: 18px;
    color: var(--course-blue);
    font-weight: 800;
    text-decoration: none;
}

/* =========================================================
   RELATED COURSES
========================================================= */

.course-detail-related {
    padding: 88px 0;
    background: var(--course-page-soft);
}

.course-detail-related__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.course-detail-related-card {
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 24px;
    border: 1px solid var(--course-border);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 12px 34px rgba(18, 61, 107, .05);
}

.course-detail-related-card__head {
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-detail-related-card__head>span {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    color: var(--course-blue);
    background: var(--course-soft);
    font-family: serif;
    font-size: 20px;
}

.course-detail-related-card__head small {
    color: var(--course-blue);
    font-size: 9px;
    font-weight: 850;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.course-detail-related-card h3 {
    margin: 18px 0 9px;
    color: var(--course-navy);
    font-size: 20px;
    line-height: 1.35;
}

.course-detail-related-card>p {
    flex: 1;
    margin: 0;
    color: var(--course-text);
    font-size: 13px;
    line-height: 1.7;
}

.course-detail-related-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #e5eef3;
}

.course-detail-related-card__footer>span {
    color: var(--course-navy);
    font-size: 12px;
    font-weight: 800;
}

.course-detail-related-card__footer a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--course-blue);
    font-size: 11px;
    font-weight: 800;
    text-decoration: none;
}

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

.course-detail-cta {
    padding: 76px 0 90px;
    background: #fff;
}

.course-detail-cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(30px, 5vw, 70px);
    padding: clamp(34px, 5vw, 58px);
    border: 1px solid var(--course-border);
    border-radius: 22px;
    background: var(--course-soft);
}

.course-detail-cta__inner>div:first-child {
    max-width: 780px;
}

.course-detail-cta__inner>div:first-child>span {
    color: var(--course-blue);
    font-size: 10px;
    font-weight: 850;
    letter-spacing: .1em;
}

.course-detail-cta h2 {
    margin: 8px 0 11px;
    color: var(--course-navy);
    font-size: clamp(27px, 3vw, 40px);
    line-height: 1.2;
    letter-spacing: -.03em;
}

.course-detail-cta p {
    max-width: 700px;
    margin: 0;
    color: var(--course-text);
    line-height: 1.75;
}

.course-detail-cta__actions {
    flex: 0 0 auto;
    display: grid;
    gap: 10px;
    min-width: 250px;
}

.course-detail-cta__primary,
.course-detail-cta__secondary {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}

.course-detail-cta__primary {
    color: #fff;
    border-color: var(--course-blue);
    background: var(--course-blue);
}

.course-detail-cta__primary:hover {
    color: #fff;
    background: var(--course-blue-dark);
}

.course-detail-cta__secondary {
    color: var(--course-navy);
    border-color: #bad4e3;
    background: #fff;
}

/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1120px) {
    .course-detail-hero__grid {
        grid-template-columns: minmax(0, 1fr) minmax(360px, .78fr);
        gap: 34px;
    }

    .course-detail-hero__facts {
        grid-template-columns: minmax(0, 1fr);
    }

    .course-detail-hero__facts>div {
        grid-template-columns: 38px minmax(0, 1fr);
    }

    .course-detail-related__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 960px) {

    .course-detail-hero__grid,
    .course-detail-curriculum__grid,
    .course-detail-outcomes__panel {
        grid-template-columns: minmax(0, 1fr);
    }

    .course-detail-hero__visual {
        min-height: 450px;
    }

    .course-detail-summary {
        position: static;
    }

    .course-detail-section-heading--split {
        grid-template-columns: minmax(0, 1fr);
        gap: 17px;
    }

    .course-detail-section-heading--split>p {
        margin: 0;
    }

    .course-detail-fit__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .course-detail-cta__inner {
        align-items: stretch;
        flex-direction: column;
    }

    .course-detail-cta__actions {
        width: min(100%, 380px);
    }
}

@media (max-width: 720px) {
    .course-detail-shell {
        width: min(calc(100% - 30px), 1380px);
    }

    .course-detail-hero {
        padding: 30px 0 50px;
    }

    .course-detail-hero__content h1 {
        font-size: clamp(38px, 11vw, 52px);
    }

    .course-detail-hero__lead {
        font-size: 16px;
    }

    .course-detail-hero__actions,
    .course-detail-hero__actions .course-detail-button {
        width: 100%;
    }

    .course-detail-hero__visual {
        min-height: 390px;
    }

    .course-detail-hero__card {
        width: 94%;
        min-height: 330px;
        padding: 28px;
    }

    .course-detail-hero__badge {
        right: 1%;
        bottom: 2%;
    }

    .course-detail-fit,
    .course-detail-curriculum,
    .course-detail-schedules,
    .course-detail-related {
        padding: 66px 0;
    }

    .course-detail-fit__grid,
    .course-detail-schedule-grid,
    .course-detail-related__grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .course-detail-outcomes {
        padding: 10px 0 66px;
    }

    .course-detail-outcomes__panel {
        padding: 30px 24px;
    }

    .course-detail-outcomes__content {
        grid-template-columns: minmax(0, 1fr);
    }

    .course-detail-schedule dl {
        grid-template-columns: minmax(0, 1fr);
    }

    .course-detail-related-card__footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .course-detail-cta {
        padding: 58px 0 72px;
    }

    .course-detail-cta__inner {
        padding: 28px 22px;
    }

    .course-detail-cta__actions {
        width: 100%;
        min-width: 0;
    }
}

@media (max-width: 480px) {
    .course-detail-hero__badge {
        position: static;
        width: min(94%, 500px);
        margin-top: -12px;
    }

    .course-detail-hero__visual {
        min-height: 0;
        padding: 25px 0 0;
    }

    .course-detail-hero__watermark {
        font-size: 250px;
    }
}