/* ======================================================
   BREADCRUMB
====================================================== */

.class-breadcrumb-section {
    padding: 18px 0;

    background:
        var(--color-background);

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


.class-breadcrumb {
    display: flex;

    align-items: center;

    flex-wrap: wrap;

    gap: 9px;

    color:
        var(--color-text-muted);

    font-size: 0.78rem;
}


.class-breadcrumb a {
    transition:
        color var(--transition-fast);
}


.class-breadcrumb a:hover {
    color:
        var(--color-primary);
}


.class-breadcrumb strong {
    color:
        var(--color-text-secondary);
}



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

.class-hero {
    position: relative;

    overflow: hidden;

    background:
        radial-gradient(
            circle at 86% 20%,
            rgba(37, 99, 235, 0.11),
            transparent 32%
        ),
        radial-gradient(
            circle at 12% 90%,
            rgba(16, 185, 129, 0.07),
            transparent 28%
        ),
        linear-gradient(
            180deg,
            #f8fbff,
            #ffffff
        );
}


.class-hero-container {
    min-height: 620px;

    display: grid;

    grid-template-columns:
        minmax(0, 1.05fr)
        minmax(400px, 0.95fr);

    align-items: center;

    gap: 80px;

    padding-top: 78px;

    padding-bottom: 88px;
}



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

.class-hero-badge {
    width: fit-content;

    display: inline-flex;

    align-items: center;

    gap: 8px;

    margin-bottom: 22px;

    padding: 7px 12px 7px 7px;

    color:
        var(--color-primary-dark);

    background:
        var(--color-primary-light);

    border-radius: 999px;

    font-size: 0.78rem;

    font-weight: 750;
}


.class-hero-badge span {
    min-width: 30px;

    min-height: 30px;

    display: grid;

    place-items: center;

    color: #ffffff;

    background:
        var(--color-primary);

    border-radius: 50%;

    font-size: 0.68rem;
}


.class-hero-content h1 {
    max-width: 760px;

    margin-bottom: 24px;

    font-size:
        clamp(
            2.8rem,
            5.2vw,
            5rem
        );

    letter-spacing:
        -0.052em;
}


.class-hero-content > p {
    max-width: 650px;

    margin-bottom: 32px;

    color:
        var(--color-text-muted);

    font-size: 1.06rem;
}


.class-hero-actions {
    display: flex;

    flex-wrap: wrap;

    gap: 14px;

    margin-bottom: 38px;
}



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

.class-hero-info {
    display: flex;

    flex-wrap: wrap;

    gap: 24px;
}


.class-hero-info div {
    padding-right: 24px;

    border-right:
        1px solid
        var(--color-border);
}


.class-hero-info div:last-child {
    border-right: 0;
}


.class-hero-info strong,
.class-hero-info span {
    display: block;
}


.class-hero-info strong {
    margin-bottom: 3px;

    color:
        var(--color-text-secondary);

    font-size: 0.82rem;
}


.class-hero-info span {
    color:
        var(--color-text-muted);

    font-size: 0.7rem;
}



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

.class-learning-card {
    padding: 26px;

    background:
        rgba(255, 255, 255, 0.96);

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

    border-radius:
        var(--radius-extra-large);

    box-shadow:
        var(--shadow-large);
}


.class-learning-top {
    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 20px;

    margin-bottom: 22px;
}


.class-learning-top div > span,
.class-learning-top div > strong {
    display: block;
}


.class-learning-top div > span {
    margin-bottom: 3px;

    color:
        var(--color-primary);

    font-size: 0.68rem;

    font-weight: 800;

    text-transform: uppercase;

    letter-spacing: 0.08em;
}


.class-learning-top div > strong {
    font-size: 0.9rem;
}


.class-learning-status {
    padding: 6px 10px;

    color: #047857;

    background: #ecfdf5;

    border-radius: 999px;

    font-size: 0.68rem;

    font-weight: 750;
}



/* ======================================================
   LEARNING CARD MAIN
====================================================== */

.class-learning-main {
    min-height: 280px;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    padding: 30px;

    background:
        linear-gradient(
            135deg,
            #2563eb,
            #4f46e5
        );

    border-radius:
        var(--radius-large);
}


.class-learning-label {
    margin-bottom: 13px;

    color:
        rgba(255, 255, 255, 0.72);

    font-size: 0.7rem;

    font-weight: 800;

    text-transform: uppercase;

    letter-spacing: 0.08em;
}


.class-learning-equation {
    margin-bottom: 28px;

    color: #ffffff;

    font-size:
        clamp(
            2.8rem,
            6vw,
            4rem
        );

    font-weight: 900;

    letter-spacing:
        -0.05em;
}


.class-learning-options {
    display: grid;

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

    gap: 10px;

    width: 100%;

    max-width: 280px;
}


.class-learning-options span {
    min-height: 48px;

    display: grid;

    place-items: center;

    color:
        rgba(255, 255, 255, 0.85);

    background:
        rgba(255, 255, 255, 0.10);

    border:
        1px solid
        rgba(255, 255, 255, 0.16);

    border-radius: 11px;

    font-weight: 750;
}


.class-learning-options
.option-active {
    color:
        var(--color-primary-dark);

    background: #ffffff;
}



/* ======================================================
   LEARNING CARD BOTTOM
====================================================== */

.class-learning-bottom {
    display: grid;

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

    gap: 10px;

    margin-top: 14px;
}


.class-learning-bottom div {
    padding: 14px;

    background:
        var(--color-background-soft);

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

    border-radius: 12px;
}


.class-learning-bottom span,
.class-learning-bottom strong {
    display: block;
}


.class-learning-bottom span {
    margin-bottom: 3px;

    color:
        var(--color-text-muted);

    font-size: 0.64rem;
}


.class-learning-bottom strong {
    font-size: 0.76rem;
}



/* ======================================================
   SUBJECT
====================================================== */

.subject-section {
    background:
        var(--color-background);
}


.subject-grid {
    display: grid;

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

    gap: 22px;
}


.subject-card {
    min-height: 330px;

    display: flex;

    flex-direction: column;

    padding: 28px;

    background: #ffffff;

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

    border-radius:
        var(--radius-large);

    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition);
}


.subject-primary:hover {
    transform:
        translateY(-7px);

    border-color:
        rgba(37, 99, 235, 0.28);

    box-shadow:
        var(--shadow-medium);
}


.subject-coming {
    background:
        var(--color-background-soft);
}


.subject-icon {
    width: 58px;

    height: 58px;

    display: grid;

    place-items: center;

    margin-bottom: 40px;

    color:
        var(--color-primary);

    background:
        var(--color-primary-light);

    border-radius:
        var(--radius-medium);

    font-size: 1.3rem;

    font-weight: 900;
}


.subject-coming
.subject-icon {
    color:
        var(--color-text-muted);

    background: #e2e8f0;
}


.subject-content {
    flex: 1;

    display: flex;

    flex-direction: column;
}


.subject-status {
    display: block;

    margin-bottom: 8px;

    color:
        var(--color-primary);

    font-size: 0.68rem;

    font-weight: 800;

    text-transform: uppercase;

    letter-spacing: 0.07em;
}


.subject-coming
.subject-status {
    color:
        var(--color-text-muted);
}


.subject-content h3 {
    margin-bottom: 12px;

    font-size: 1.28rem;
}


.subject-content p {
    margin-bottom: 25px;

    color:
        var(--color-text-muted);

    font-size: 0.87rem;
}


.subject-footer {
    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 15px;

    margin-top: auto;

    padding-top: 17px;

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

    color:
        var(--color-primary);

    font-size: 0.8rem;

    font-weight: 750;
}


.subject-footer strong {
    font-size: 1rem;

    transition:
        transform var(--transition-fast);
}


.subject-primary:hover
.subject-footer strong {
    transform:
        translateX(5px);
}



/* ======================================================
   MATERIAL
====================================================== */

.math-material-section {
    background:
        var(--color-background-soft);
}


.math-material-heading {
    display: flex;

    align-items: flex-end;

    justify-content: space-between;

    gap: 40px;

    margin-bottom: 48px;
}


.math-material-heading
.section-header {
    margin-bottom: 0;
}


.material-all-link {
    flex-shrink: 0;

    display: inline-flex;

    align-items: center;

    gap: 8px;

    margin-bottom: 6px;

    color:
        var(--color-primary);

    font-size: 0.88rem;

    font-weight: 750;
}


.material-all-link span {
    transition:
        transform var(--transition-fast);
}


.material-all-link:hover span {
    transform:
        translateX(4px);
}



/* ======================================================
   MATERIAL GRID
====================================================== */

.material-grid {
    display: grid;

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

    gap: 20px;
}


.material-card {
    min-height: 330px;

    display: flex;

    flex-direction: column;

    padding: 25px;

    background: #ffffff;

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

    border-radius:
        var(--radius-large);

    box-shadow:
        var(--shadow-small);

    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition);
}


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

    border-color:
        rgba(37, 99, 235, 0.25);

    box-shadow:
        var(--shadow-medium);
}


.material-number {
    width: 50px;

    height: 50px;

    display: grid;

    place-items: center;

    margin-bottom: 42px;

    color:
        var(--color-primary);

    background:
        var(--color-primary-light);

    border-radius: 14px;

    font-size: 0.72rem;

    font-weight: 900;
}


.material-content {
    flex: 1;
}


.material-category {
    display: block;

    margin-bottom: 7px;

    color:
        var(--color-text-muted);

    font-size: 0.67rem;

    font-weight: 800;

    text-transform: uppercase;

    letter-spacing:
        0.07em;
}


.material-content h3 {
    margin-bottom: 12px;

    font-size: 1.2rem;
}


.material-content p {
    margin-bottom: 22px;

    color:
        var(--color-text-muted);

    font-size: 0.85rem;
}


.material-action {
    display: flex;

    align-items: center;

    justify-content: space-between;

    padding-top: 17px;

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

    color:
        var(--color-primary);

    font-size: 0.78rem;

    font-weight: 750;
}


.material-action span {
    transition:
        transform var(--transition-fast);
}


.material-card:hover
.material-action span {
    transform:
        translateX(5px);
}



/* ======================================================
   ACTIVITY
====================================================== */

.class-activity-section {
    background:
        var(--color-background);
}


.activity-grid {
    display: grid;

    grid-template-columns:
        repeat(
            4,
            minmax(0, 1fr)
        );

    gap: 20px;
}


.activity-card {
    position: relative;

    min-height: 280px;

    padding: 26px;

    background: #ffffff;

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

    border-radius:
        var(--radius-large);

    box-shadow:
        var(--shadow-small);
}


.activity-icon {
    width: 50px;

    height: 50px;

    display: grid;

    place-items: center;

    margin-bottom: 34px;

    color:
        var(--color-primary);

    background:
        var(--color-primary-light);

    border-radius: 14px;

    font-weight: 900;
}


.activity-number {
    display: block;

    margin-bottom: 7px;

    color:
        var(--color-text-muted);

    font-size: 0.66rem;

    font-weight: 850;

    letter-spacing: 0.08em;
}


.activity-card h3 {
    margin-bottom: 11px;

    font-size: 1.1rem;
}


.activity-card p {
    margin-bottom: 0;

    color:
        var(--color-text-muted);

    font-size: 0.84rem;
}



/* ======================================================
   LEARNING PATH
====================================================== */

.learning-path-section {
    color: #ffffff;

    background:
        #0f172a;
}


.learning-path-wrapper {
    display: grid;

    grid-template-columns:
        minmax(0, 0.8fr)
        minmax(500px, 1.2fr);

    align-items: center;

    gap: 80px;
}


.learning-path-content
.section-eyebrow {
    color:
        #93c5fd;
}


.learning-path-content h2 {
    max-width: 640px;

    margin-bottom: 20px;

    font-size:
        clamp(
            2.2rem,
            4.4vw,
            3.7rem
        );

    letter-spacing:
        -0.04em;
}


.learning-path-content p {
    max-width: 600px;

    margin-bottom: 0;

    color:
        #94a3b8;
}



/* ======================================================
   LEARNING PATH LIST
====================================================== */

.learning-path-list {
    display: flex;

    align-items: center;

    padding: 25px;

    background:
        rgba(255, 255, 255, 0.05);

    border:
        1px solid
        rgba(255, 255, 255, 0.10);

    border-radius:
        var(--radius-large);
}


.learning-path-item {
    flex: 1;

    text-align: center;
}


.learning-path-item > span {
    width: 44px;

    height: 44px;

    display: grid;

    place-items: center;

    margin:
        0 auto 14px;

    color: #ffffff;

    background:
        var(--color-primary);

    border-radius: 50%;

    font-size: 0.75rem;

    font-weight: 850;
}


.learning-path-item strong {
    display: block;

    margin-bottom: 5px;

    font-size: 0.85rem;
}


.learning-path-item p {
    margin-bottom: 0;

    color:
        #94a3b8;

    font-size: 0.68rem;
}


.learning-path-divider {
    width: 25px;

    height: 1px;

    flex-shrink: 0;

    background:
        rgba(255, 255, 255, 0.20);
}



/* ======================================================
   NEXT CLASS
====================================================== */

.next-class-section {
    padding: 34px 0 70px;

    background:
        var(--color-background);
}


.next-class-wrapper {
    display: flex;

    align-items: stretch;

    justify-content: space-between;

    gap: 20px;
}


.class-nav-button {
    min-width: 250px;

    display: flex;

    align-items: center;

    gap: 15px;

    padding: 18px 20px;

    background: #ffffff;

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

    border-radius:
        var(--radius-medium);

    transition:
        transform var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}


.class-nav-button:hover {
    transform:
        translateY(-3px);

    border-color:
        rgba(37, 99, 235, 0.28);

    box-shadow:
        var(--shadow-small);
}


.class-nav-button > span {
    color:
        var(--color-primary);

    font-size: 1.2rem;
}


.class-nav-button small,
.class-nav-button strong {
    display: block;
}


.class-nav-button small {
    margin-bottom: 3px;

    color:
        var(--color-text-muted);

    font-size: 0.67rem;
}


.class-nav-button strong {
    color:
        var(--color-text-secondary);

    font-size: 0.86rem;
}


.class-nav-next {
    justify-content:
        flex-end;

    margin-left:
        auto;

    text-align:
        right;
}



/* ======================================================
   RESPONSIVE 1024
====================================================== */

@media (max-width: 1024px) {

    .class-hero-container {
        grid-template-columns:
            1fr 400px;

        gap: 45px;
    }


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


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


    .learning-path-wrapper {
        grid-template-columns:
            1fr;

        gap: 50px;
    }

}



/* ======================================================
   RESPONSIVE 860
====================================================== */

@media (max-width: 860px) {

    .class-hero-container {
        min-height: auto;

        grid-template-columns:
            1fr;

        gap: 50px;

        padding-top: 65px;

        padding-bottom: 70px;
    }


    .class-hero-content {
        max-width:
            720px;
    }


    .class-hero-visual {
        width: 100%;

        max-width: 620px;
    }


    .learning-path-list {
        overflow-x: auto;
    }


    .learning-path-item {
        min-width: 120px;
    }

}



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

@media (max-width: 600px) {

    .class-breadcrumb-section {
        padding:
            14px 0;
    }


    .class-hero-container {
        padding-top:
            50px;

        padding-bottom:
            58px;
    }


    .class-hero-content h1 {
        font-size:
            clamp(
                2.45rem,
                12vw,
                3.5rem
            );
    }


    .class-hero-actions {
        flex-direction:
            column;
    }


    .class-hero-actions
    .button {
        width:
            100%;
    }


    .class-hero-info {
        flex-direction:
            column;

        gap:
            10px;
    }


    .class-hero-info div {
        padding-right:
            0;

        padding-bottom:
            10px;

        border-right:
            0;

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


    .class-learning-card {
        padding:
            18px;
    }


    .class-learning-main {
        min-height:
            230px;

        padding:
            22px;
    }


    .class-learning-bottom {
        grid-template-columns:
            1fr;
    }


    .subject-grid,
    .material-grid,
    .activity-grid {
        grid-template-columns:
            1fr;
    }


    .math-material-heading {
        align-items:
            flex-start;

        flex-direction:
            column;

        gap:
            18px;

        margin-bottom:
            38px;
    }


    .material-card {
        min-height:
            auto;
    }


    .learning-path-list {
        flex-direction:
            column;

        align-items:
            stretch;

        overflow:
            visible;
    }


    .learning-path-item {
        min-width:
            auto;

        text-align:
            left;

        display:
            grid;

        grid-template-columns:
            50px 1fr;

        align-items:
            center;

        gap:
            14px;
    }


    .learning-path-item > span {
        margin:
            0;
    }


    .learning-path-divider {
        width:
            1px;

        height:
            20px;

        margin-left:
            22px;
    }


    .next-class-wrapper {
        flex-direction:
            column;
    }


    .class-nav-button {
        width:
            100%;

        min-width:
            auto;
    }


    .class-nav-next {
        margin-left:
            0;
    }

}