.exam-tool {
    --tool-accent: #3178d4;
    --tool-accent-rgb: 49,120,212;
    --tool-soft: #f3f7fc;
    --tool-navy: #102d56;
    --tool-deep: #092342;

    min-height: 100vh;
    background: #fff;
    color: var(--tool-navy);
}

.exam-tool--lgs {
    --tool-accent: #21a875;
    --tool-accent-rgb: 33,168,117;
    --tool-soft: #f3fbf8;
}

.exam-tool__hero {
    position: relative;
    padding: 105px 0 70px;
    overflow: hidden;
    background: linear-gradient(120deg,#fff 0%,#f8fafc 55%,var(--tool-soft) 100%);
}

.exam-tool__hero::after {
    content: attr(data-code);
    position: absolute;
    right: -20px;
    bottom: -45px;
    color: var(--tool-accent);
    opacity: .045;
    font-size: clamp(150px,22vw,330px);
    font-weight: 900;
    line-height: .75;
    letter-spacing: -18px;
    pointer-events: none;
}

.exam-tool__crumb,
.exam-tool__eyebrow {
    color: var(--tool-accent);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 1.4px;
}

.exam-tool__crumb {
    margin-bottom: 24px;
}

.exam-tool__eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
}

.exam-tool__eyebrow::before {
    content: "";
    width: 27px;
    height: 3px;
    background: currentColor;
}

.exam-tool__hero h1 {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 16px 0 0;
    color: var(--tool-deep);
    font-size: clamp(48px,6vw,82px);
    line-height: .92;
    letter-spacing: -4px;
    font-weight: 900;
}

.exam-tool__hero h1 span {
    color: var(--tool-accent);
}

.exam-tool__hero p {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 22px 0 0;
    color: #6b7b90;
    font-size: 14px;
    line-height: 1.75;
}

.exam-tool__body {
    padding: 80px 0 105px;
}

.net-calculator {
    border-top: 1px solid #dbe5ef;
}

.net-row {
    display: grid;
    grid-template-columns: minmax(180px,1fr) 115px 115px 140px;
    gap: 20px;
    align-items: center;
    min-height: 92px;
    border-bottom: 1px solid #dbe5ef;
}

.net-row--head {
    min-height: 48px;
    color: #8997a8;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 1px;
}

.net-row strong {
    color: var(--tool-deep);
    font-size: 18px;
}

.net-row input {
    width: 100%;
    height: 46px;
    padding: 0 12px;
    border: 1px solid #d3deea;
    border-radius: 5px;
    outline: none;
    background: #fff;
    color: var(--tool-deep);
    font: inherit;
}

.net-row input:focus {
    border-color: var(--tool-accent);
    box-shadow: 0 0 0 3px rgba(var(--tool-accent-rgb),.08);
}

.net-result {
    color: var(--tool-accent);
    font-size: 23px;
    font-weight: 900;
}

.net-total {
    margin-top: 30px;
    padding: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    background: var(--tool-deep);
    color: #fff;
}

.net-total small {
    display: block;
    color: #aebed0;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 1.3px;
}

.net-total strong {
    display: block;
    margin-top: 4px;
    font-size: 23px;
}

.net-total__value {
    color: var(--tool-accent);
    font-size: clamp(48px,7vw,76px);
    line-height: 1;
    font-weight: 900;
}

.exam-tool__note {
    margin-top: 18px;
    color: #7a899b;
    font-size: 11px;
    line-height: 1.6;
}

/* COUNTDOWN */

.countdown {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    border-top: 1px solid #dbe5ef;
    border-left: 1px solid #dbe5ef;
}

.countdown > div {
    min-height: 210px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 28px;
    border-right: 1px solid #dbe5ef;
    border-bottom: 1px solid #dbe5ef;
}

.countdown strong {
    color: var(--tool-deep);
    font-size: clamp(55px,7vw,90px);
    line-height: .85;
    letter-spacing: -5px;
}

.countdown span {
    margin-top: 18px;
    color: var(--tool-accent);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 1.4px;
}

.countdown-date {
    margin-top: 30px;
    padding: 27px 0;
    border-top: 1px solid #dbe5ef;
    border-bottom: 1px solid #dbe5ef;
}

.countdown-date small,
.countdown-date strong {
    display: block;
}

.countdown-date small {
    color: #8997a8;
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 1.2px;
}

.countdown-date strong {
    margin-top: 7px;
    color: var(--tool-deep);
    font-size: 22px;
}

@media(max-width:720px) {
    .exam-tool__hero {
        padding: 75px 0 55px;
    }

    .exam-tool__hero h1 {
        letter-spacing: -2.5px;
    }

    .exam-tool__body {
        padding: 55px 0 70px;
    }

    .net-row {
        grid-template-columns: 1fr 72px 72px;
        gap: 9px;
        padding: 18px 0;
    }

    .net-row--head {
        display: none;
    }

    .net-row strong {
        grid-column: 1 / -1;
    }

    .net-result {
        display: flex;
        align-items: center;
        justify-content: flex-end;
    }

    .net-total {
        padding: 25px 20px;
    }

    .countdown {
        grid-template-columns: repeat(2,1fr);
    }

    .countdown > div {
        min-height: 150px;
    }
}


/* =========================================================
   YKS NET — TYT / AYT
   ========================================================= */

.yks-net-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    margin-bottom: 70px;

    border-top: 1px solid #dbe5ef;
    border-left: 1px solid #dbe5ef;
}


.yks-net-tab {
    min-height: 125px;

    display: grid;
    grid-template-columns: 45px 1fr;
    align-items: center;

    gap: 20px;

    padding: 25px 28px;

    border: 0;
    border-right: 1px solid #dbe5ef;
    border-bottom: 1px solid #dbe5ef;

    background: #fff;

    color: var(--tool-deep);

    text-align: left;

    cursor: pointer;

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


.yks-net-tab > span {
    color: var(--tool-accent);

    font-size: 10px;
    font-weight: 900;
}


.yks-net-tab small,
.yks-net-tab strong {
    display: block;
}


.yks-net-tab small {
    margin-bottom: 5px;

    color: #8a99aa;

    font-size: 8px;
    font-weight: 900;

    letter-spacing: 1.2px;
}


.yks-net-tab strong {
    color: var(--tool-deep);

    font-size: 29px;
    line-height: 1;

    font-weight: 900;

    letter-spacing: -1.3px;
}


.yks-net-tab.is-active {
    background: var(--tool-deep);
}


.yks-net-tab.is-active > span {
    color: #76b4fb;
}


.yks-net-tab.is-active small {
    color: #9eb3ca;
}


.yks-net-tab.is-active strong {
    color: #fff;
}


.yks-net-panel {
    animation: yksNetPanel .25s ease;
}


@keyframes yksNetPanel {

    from {
        opacity: 0;
        transform: translateY(7px);
    }

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

}


.yks-net-panel__heading {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(260px, .5fr);

    gap: 60px;

    align-items: end;

    margin-bottom: 45px;
}


.yks-net-panel__heading h2 {
    margin: 14px 0 0;

    color: var(--tool-deep);

    font-size: clamp(38px, 5vw, 60px);
    line-height: 1;

    font-weight: 900;

    letter-spacing: -3px;
}


.yks-net-panel__heading h2 span {
    color: var(--tool-accent);
}


.yks-net-panel__heading p {
    max-width: 390px;

    margin: 0;

    color: #6b7b90;

    font-size: 13px;
    line-height: 1.7;
}


.net-row > strong {
    display: flex;
    flex-direction: column;

    gap: 4px;
}


.net-question-count {
    color: #95a2b1 !important;

    font-size: 8px !important;
    font-weight: 850 !important;

    letter-spacing: 1px;
}


@media (max-width: 720px) {

    .yks-net-tabs {
        margin-bottom: 45px;
    }


    .yks-net-tab {
        min-height: 100px;

        grid-template-columns: 1fr;

        gap: 6px;

        padding: 18px;
    }


    .yks-net-tab > span {
        display: none;
    }


    .yks-net-tab strong {
        font-size: 24px;
    }


    .yks-net-panel__heading {
        grid-template-columns: 1fr;

        gap: 20px;

        margin-bottom: 32px;
    }

}