/* Đức Thắng footer - friendly school identity and responsive layout */
.dt-footer {
    --dt-footer-blue: #0755a5;
    --dt-footer-deep: #003d80;
    --dt-footer-pink: #e92b7d;
    --dt-footer-ink: #21405f;
    --dt-footer-muted: #607791;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding-top: 72px;
    background: linear-gradient(180deg, #eef8ff 0%, #f9fcff 60%, #fff 100%);
}

    .dt-footer::after {
        content: "";
        position: absolute;
        top: 24px;
        right: -90px;
        z-index: -1;
        width: 250px;
        height: 250px;
        border: 36px solid rgba(255, 193, 7, .15);
        border-radius: 50%;
    }

    .dt-footer > .grid.wide,
    .dt-footer .footer-bottom-b > .grid.wide {
        position: relative;
        z-index: 1;
    }

        .dt-footer > .grid.wide::before,
        .dt-footer .footer-bottom-b > .grid.wide::before {
            opacity: .82;
            border: 1px solid rgba(7, 85, 165, .08);
            border-radius: 28px;
            box-shadow: 0 18px 42px rgba(5, 73, 128, .08);
        }

.dt-footer-main {
    grid-template-columns: minmax(210px, 1.02fr) minmax(250px, 1.18fr) minmax(150px, .7fr) minmax(230px, 1fr);
    gap: 26px;
    padding: 30px 30px 34px;
}

.dt-footer-brand h2 span {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #ffcf3d !important;
    font-size: 17px;
    letter-spacing: .4px;
}

    .dt-footer-brand h2 span i {
        font-size: 13px;
        color: #f3b400;
    }

.dt-footer-brand h2 strong {
    color: #00aee3 !important;
    font-size: clamp(29px, 3.4vw, 43px);
    text-shadow: 2px 3px 0 rgba(255, 255, 255, .9);
}

.dt-footer-intro {
    max-width: 310px;
    margin: 10px 0 12px !important;
    color: var(--dt-footer-ink) !important;
    font-size: 13px !important;
    line-height: 1.7 !important;
}

.dt-footer-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 13px;
    border-radius: 999px;
    background: #fff;
    color: var(--dt-footer-pink) !important;
    font-family: var(--htk-font-semibold);
    font-size: 13px;
    box-shadow: 0 7px 16px rgba(233, 43, 125, .1);
}

    .dt-footer-more:hover {
        color: #fff !important;
        background: var(--dt-footer-pink);
        transform: translateX(3px);
    }

.dt-footer h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ffcf3d !important;
    font-size: 17px;
    letter-spacing: .2px;
}

    .dt-footer h3 i {
        display: inline-grid;
        place-items: center;
        width: 29px;
        height: 29px;
        border-radius: 10px;
        background: #e8f3ff;
        color: #ffcf3d !important;
        font-size: 13px;
    }

    .dt-footer h3::after {
        left: 37px;
        bottom: 0;
        width: 30px;
        height: 2px;
    }

.dt-footer-contact-list {
    gap: 11px;
    margin-top: 24px !important;
}

    .dt-footer-contact-list li {
        align-items: flex-start;
        gap: 10px;
        color: var(--dt-footer-ink);
        font-size: 13px;
        line-height: 1.5;
    }

        .dt-footer-contact-list li i {
            flex: 0 0 26px;
            width: 26px;
            height: 26px;
            padding-top: 5px;
            border-radius: 8px;
            background: #fff2f8;
            color: var(--dt-footer-pink);
            font-size: 12px;
        }

        .dt-footer-contact-list li:hover i {
            transform: translateY(-2px) rotate(-6deg);
            background: var(--dt-footer-blue);
            color: #fff;
        }

    .dt-footer-contact-list a {
        color: var(--dt-footer-ink);
        overflow-wrap: anywhere;
    }

        .dt-footer-contact-list a:hover {
            color: var(--dt-footer-pink);
        }

.dt-footer-hotline {
    gap: 10px;
    margin-top: 20px;
    padding: 9px 13px 9px 9px;
    border: 1px solid rgba(233, 43, 125, .18);
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 9px 20px rgba(9, 83, 150, .08);
}

    .dt-footer-hotline > i {
        flex: 0 0 36px;
        width: 36px;
        height: 36px;
        border: 0;
        background: #fff0f7;
        color: var(--dt-footer-pink);
        font-size: 16px;
    }

    .dt-footer-hotline span {
        font-size: 11px;
        color: var(--dt-footer-muted);
    }

    .dt-footer-hotline strong {
        color: var(--dt-footer-blue);
        font-size: 18px;
    }

.dt-footer-links,
.dt-footer-contact {
    margin-top: 0;
}

.dt-footer-nav ul {
    gap: 12px;
    margin-top: 24px !important;
}

.dt-footer-nav li a {
    color: var(--dt-footer-ink);
    font-size: 13px;
}

    .dt-footer-nav li a::before {
        color: var(--dt-footer-pink);
        font-size: 16px;
    }

    .dt-footer-nav li a:hover {
        color: var(--dt-footer-pink);
    }

.dt-footer-community {
    width: 100%;
    height: 292px;
    padding: 12px;
    border: 7px solid #fff;
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(5, 73, 128, .13);
}

.dt-footer-community-head {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 29px;
    padding: 0 1px 10px;
    color: var(--dt-footer-blue);
    font-family: var(--htk-font-semibold);
    font-size: 15px;
    text-transform: uppercase;
}

    .dt-footer-community-head i {
        color: var(--dt-footer-pink);
    }

.dt-footer-community .fb-page,
.dt-footer-community .fb-page > span,
.dt-footer-community iframe {
    width: 100% !important;
    max-width: 100% !important;
    height: 265px !important;
}

.dt-footer .footer-bottom-b {
    padding-top: 78px;
    padding-bottom: 8px;
}

    .dt-footer .footer-bottom-b > .grid.wide {
        gap: 22px;
        padding: 18px 30px 15px;
    }

.dt-footer-copy {
    color: var(--dt-footer-ink);
    font-size: 13px;
}

    .dt-footer-copy img {
        width: 58px;
        height: 58px;
        border: 4px solid #fff;
        box-shadow: 0 7px 15px rgba(5, 73, 128, .13);
    }

.dt-footer-social-wrap {
    display: flex;
    color: var(--dt-footer-blue);
}

.dt-footer-social a {
    width: 36px;
    height: 36px;
    border: 0;
    background: #eaf4ff;
    color: var(--dt-footer-blue);
    font-size: 15px;
}

    .dt-footer-social a:first-child {
        background: #eaf4ff;
        color: #1877f2;
    }

    .dt-footer-social a:hover {
        background: var(--dt-footer-pink);
        border-color: var(--dt-footer-pink);
    }

.dt-footer-bottom-line {
    padding-right: 0;
    color: var(--dt-footer-muted);
    font-size: 12px;
}

.dt-footer-counter {
    gap: 15px;
    color: var(--dt-footer-ink);
    font-size: 12px;
}

    .dt-footer-counter i {
        color: var(--dt-footer-pink);
    }

@media (max-width: 1100px) {
    .dt-footer-main {
        grid-template-columns: 1.1fr 1.3fr .8fr;
    }

    .dt-footer-community {
        grid-column: 1 / -1;
        height: 250px;
    }

        .dt-footer-community .fb-page,
        .dt-footer-community .fb-page > span,
        .dt-footer-community iframe {
            height: 195px !important;
        }
}

@media (max-width: 739px) {
    .dt-footer {
        padding-top: 44px;
    }

        .dt-footer::after {
            top: 12px;
            right: -125px;
            width: 210px;
            height: 210px;
            border-width: 28px;
        }

    .dt-footer-main {
        display: grid;
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 24px 18px 27px;
    }

    .dt-footer > .grid.wide::before,
    .dt-footer .footer-bottom-b > .grid.wide::before {
        border-radius: 20px;
    }

    .dt-footer-brand h2 strong {
        font-size: 32px;
    }

    .dt-footer-intro {
        max-width: none;
        margin-top: 14px !important;
        text-align: justify !important;
    }

    .dt-footer-contact-list {
        margin-top: 18px !important;
    }

    .dt-footer-hotline {
        width: fit-content;
        max-width: 100%;
    }

    .dt-footer-nav ul {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px 16px;
        margin-top: 18px !important;
    }

    .dt-footer-community {
        grid-column: auto;
        height: 230px;
    }

        .dt-footer-community .fb-page,
        .dt-footer-community .fb-page > span,
        .dt-footer-community iframe {
            height: 180px !important;
        }

    .dt-footer .footer-bottom-b {
        padding-top: 34px;
    }

        .dt-footer .footer-bottom-b > .grid.wide {
            display: flex;
            gap: 17px;
            padding: 17px 18px 14px;
        }

    .dt-footer-copy {
        text-align: center;
    }

        .dt-footer-copy img {
            display: inline-block;
            width: 48px;
            height: 48px;
        }

    .dt-footer-social-wrap {
        gap: 10px;
        flex-direction: column;
    }

    .dt-footer-bottom-line {
        width: 100%;
        gap: 12px;
    }

    .dt-footer-counter {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 380px) {
    .dt-footer-main {
        padding-right: 14px;
        padding-left: 14px;
    }

    .dt-footer-brand h2 strong {
        font-size: 29px;
    }

    .dt-footer-nav ul {
        grid-template-columns: 1fr;
    }

    .dt-footer .footer-bottom-b > .grid.wide {
        padding-right: 14px;
        padding-left: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .dt-footer a,
    .dt-footer i,
    .dt-footer img {
        transition: none !important;
    }
}

/* Alternate playful footer presentation */
.dt-footer {
    padding-top: 38px;
    color: #fff;
    background: #062b63;
    background-image: radial-gradient(circle at 8% 12%, rgba(43, 198, 255, .24) 0 3px, transparent 4px), radial-gradient(circle at 92% 22%, rgba(255, 205, 65, .2) 0 4px, transparent 5px), linear-gradient(145deg, #063b7e 0%, #062453 68%, #041b43 100%);
}

    .dt-footer::before {
    }

    .dt-footer::after {
        top: -115px;
        right: -70px;
        width: 280px;
        height: 280px;
        border: 1px solid rgba(255, 255, 255, .18);
        box-shadow: 0 0 0 22px rgba(255, 255, 255, .05), 0 0 0 44px rgba(255, 255, 255, .035);
    }

    .dt-footer > .grid.wide::before,
    .dt-footer .footer-bottom-b > .grid.wide::before {
        display: none;
    }

    .dt-footer > .grid.wide {
        max-width: 1200px;
    }

.dt-footer-welcome {
    position: relative;
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 0 0px 10px;
    padding: 15px 18px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 22px;
    background: linear-gradient(100deg, rgba(24, 173, 233, .28), rgba(255, 255, 255, .08));
    box-shadow: 0 15px 34px rgba(0, 0, 0, .16);
}

.dt-footer-welcome-icon {
    display: grid;
    flex: 0 0 48px;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: #ffd24d;
    color: #07356f;
    font-size: 22px;
    transform: rotate(-8deg);
}

.dt-footer-welcome > div:nth-child(2) {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.dt-footer-welcome-kicker {
    color: #8ee7ff;
    font-family: var(--htk-font-semibold);
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.dt-footer-welcome strong {
    color: #fff;
    font-family: var(--htk-font-bold);
    font-size: clamp(16px, 2vw, 22px);
    line-height: 1.25;
}

.dt-footer-welcome > a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    padding: 10px 14px;
    border-radius: 999px;
    background: #ffcf3d;
    color: #07356f;
    font-family: var(--htk-font-bold);
    font-size: 12px;
    white-space: nowrap;
}

    .dt-footer-welcome > a:hover {
        background: #00aee3;
        color: #fff;
        transform: translateY(-2px);
    }

.dt-footer-main {
    grid-template-columns: minmax(220px, 1.1fr) minmax(240px, 1fr) minmax(150px, .7fr) minmax(230px, 1fr);
    gap: 16px;
    padding: 0 18px 34px;
}

.dt-footer-brand,
.dt-footer-contact,
.dt-footer-links,
.dt-footer-community {
    min-height: 100%;
    padding: 22px 20px;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 20px;
    background: rgba(0, 14, 48, .35);
}

    .dt-footer-brand h2 span,
    .dt-footer-brand h2 span i,
    .dt-footer-brand h2 strong,
    .dt-footer h3,
    .dt-footer h3 i {
        color: #fff;
    }

        .dt-footer-brand h2 span i {
            color: #ffd24d;
            display: inline-grid;
            place-items: center;
            width: 29px;
            height: 29px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .13);
        }

    .dt-footer-brand h2 strong {
        text-shadow: none;
    }

        .dt-footer-brand h2 strong::after,
        .dt-footer h3::after {
            background: #ffd24d;
        }

.dt-footer-intro,
.dt-footer-contact-list li,
.dt-footer-contact-list a,
.dt-footer-nav li a {
    color: #fff !important;
}

.dt-footer-intro {
    font-size: 13px !important;
}

.dt-footer-more {
    background: #ffcf3d;
    color: #07356f !important;
    box-shadow: none;
}

    .dt-footer-more:hover {
        background: #00aee3;
        color: #ffcf3d !important;
    }

.dt-footer h3 {
    font-size: 16px;
}

    .dt-footer h3 i {
        background: rgba(255, 255, 255, .13);
    }

.dt-footer-contact-list li i {
    background: rgba(255, 210, 77, .16);
    color: #ffd24d;
}

.dt-footer-contact-list li:hover i {
    background: #ffd24d;
    color: #07356f;
}

.dt-footer-contact-list a:hover,
.dt-footer-nav li a:hover {
    color: #ffd24d !important;
}

.dt-footer-hotline {
    border-color: rgba(255, 210, 77, .35);
    background: rgba(0, 0, 0, .14);
    box-shadow: none;
}

    .dt-footer-hotline > i {
        background: #ffd24d;
        color: #07356f;
    }

    .dt-footer-hotline span {
        color: rgba(255, 255, 255, .72);
    }

    .dt-footer-hotline strong {
        color: #fff;
    }

.dt-footer-nav li a::before {
    color: #ffd24d;
}

.dt-footer-community {
    height: 100%;
    min-height: 292px;
    padding: 22px 14px 14px 14px;
    border-color: rgba(255, 255, 255, .13);
    background: rgba(0, 14, 48, .35);
    box-shadow: none;
}

.dt-footer-community-head {
    color: #ffcf3d;
}

    .dt-footer-community-head i {
        color: #ffd24d;
        display: inline-grid;
        place-items: center;
        width: 29px;
        height: 29px;
        border-radius: 10px;
        background: rgba(255, 255, 255, .13);
    }

.dt-footer .footer-bottom-b {
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, .13);
}

    .dt-footer .footer-bottom-b > .grid.wide {
        gap: 15px;
        padding: 0 2px 7px;
    }

.dt-footer-copy,
.dt-footer-bottom-line,
.dt-footer-counter {
    color: rgba(255, 255, 255, .75);
}

    .dt-footer-copy img {
        border: 3px solid rgba(255, 255, 255, .7);
        box-shadow: none;
    }

.dt-footer-social-wrap {
    color: #fff;
}

.dt-footer-social a,
.dt-footer-social a:first-child {
    background: rgba(255, 255, 255, .13);
    color: #fff;
}

    .dt-footer-social a:hover {
        background: #ffd24d;
        border-color: #ffd24d;
        color: #07356f;
    }

.dt-footer-bottom-line a {
    color: #ffd24d;
}

.dt-footer-counter i {
    color: #ffd24d;
}

@media (max-width: 1100px) {
    .dt-footer-main {
        grid-template-columns: 1fr 1fr;
    }

    .dt-footer-community {
        grid-column: auto;
    }
}

@media (max-width: 739px) {
    .dt-footer {
        padding-top: 25px;
    }

    .dt-footer-welcome {
        align-items: flex-start;
        flex-wrap: wrap;
        margin: 0 0px 10px;
        padding: 13px;
        border-radius: 18px;
    }

    .dt-footer-welcome-icon {
        flex-basis: 40px;
        width: 40px;
        height: 40px;
        border-radius: 13px;
        font-size: 18px;
    }

    .dt-footer-welcome strong, .dt-footer-welcome-kicker {
        font-size: 12px;
        line-height: 1.4;
    }

    .dt-footer-welcome > div:nth-child(2) {
        flex: 1;
    }

    .dt-footer-welcome > a {
        width: 100%;
        justify-content: center;
        margin: 0;
    }

    .dt-footer-main {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 0 12px 20px;
    }

    .dt-footer-brand,
    .dt-footer-contact,
    .dt-footer-links,
    .dt-footer-community {
        min-height: auto;
        padding: 18px 16px;
        border-radius: 17px;
    }

    .dt-footer-nav ul {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .dt-footer-community {
        height: 245px;
        min-height: 245px;
        padding-bottom: 39px;
    }

    .dt-footer .footer-bottom-b {
        padding-top: 20px;
    }

        .dt-footer .footer-bottom-b > .grid.wide {
            padding: 0 12px 14px;
        }
}