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

.course-curriculum{
    padding:120px 0;
    position:relative;
}

.course-curriculum .section-header{
    max-width:900px;
    margin:0 auto 70px;
    text-align:center;
}

.course-curriculum .section-badge{
    display:inline-flex;
    margin-bottom:18px;
}

.course-curriculum h2{
    margin-bottom:18px;
}

.course-curriculum p{
    color:var(--color-text-muted);
}

/* ==========================================================
   LIST
========================================================== */

.curriculum{
    display:grid;
    gap:22px;
}

/* ==========================================================
   MODULE CARD
========================================================== */

.curriculum-item{

    overflow:hidden;

    border-radius:28px;

    background:linear-gradient(
            180deg,
            rgba(20,24,40,.96),
            rgba(10,14,26,.98)
    );

    border:1px solid rgba(255,255,255,.06);

    transition:
            transform .35s,
            border-color .35s,
            box-shadow .35s;

}

.curriculum-item:hover{

    transform:translateY(-4px);

    border-color:rgba(124,92,255,.25);

    box-shadow:
            0 25px 60px rgba(0,0,0,.28),
            0 0 40px rgba(124,92,255,.12);

}

/* ==========================================================
   MODULE HEADER
========================================================== */

.curriculum-header{

    width:100%;

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:34px 38px;

    background:none;

    border:0;

    color:#fff;

    cursor:pointer;

}

.curriculum-left{

    display:flex;

    align-items:center;

    gap:22px;

}

.module-dot{

    width:16px;
    height:16px;

    border-radius:50%;

    background:#7B5CFF;

    box-shadow:
            0 0 22px rgba(123,92,255,.45);

    flex-shrink:0;

}

.module-title{

    display:flex;

    flex-direction:column;

    gap:5px;

}

.module-title small{

    color:#9CA3AF;

    text-transform:uppercase;

    letter-spacing:.18em;

    font-size:12px;

}

.module-title strong{

    font-size:30px;

    line-height:1.2;

    font-weight:800;

}

.curriculum-right{

    display:flex;

    align-items:center;

    gap:18px;

    color:#9CA3AF;

}

.accordion-icon{

    transition:.35s ease;

}

.curriculum-item.active .accordion-icon{

    transform:rotate(180deg);

}

/* ==========================================================
   MODULE BODY
========================================================== */

.curriculum-body{

    position:relative;

    margin-left:52px;

    padding:0 38px 28px;

    max-height:0;

    overflow:hidden;

    opacity:0;

    transition:
            max-height .45s ease,
            opacity .25s ease;

}

.curriculum-item.active .curriculum-body{

    opacity:1;

}

.curriculum-body::before{

    content:"";

    position:absolute;

    left:20px;

    top:0;

    bottom:20px;

    width:2px;

    background:linear-gradient(
            to bottom,
            rgba(124,92,255,.45),
            rgba(124,92,255,.05)
    );

}


/* ==========================================================
   LESSON ROW
========================================================== */

.lesson-row{

    display:grid;

    grid-template-columns:52px 1fr auto;

    align-items:center;

    gap:18px;

    padding:18px 0;

    transition:.25s;

}

.lesson-row:not(:last-child){

    border-bottom:1px solid rgba(255,255,255,.05);

}

.lesson-row:hover{

    transform:translateX(6px);

}


/* ==========================================================
   LESSON ICON
========================================================== */

.lesson-index{

    width:40px;
    height:40px;

    border-radius:50%;

    display:flex;
    justify-content:center;
    align-items:center;

    background:rgba(123,92,255,.08);

    border:1px solid rgba(123,92,255,.25);

    box-shadow:
            inset 0 0 10px rgba(123,92,255,.12);

    transition:.3s;

    flex-shrink:0;

    position:relative;
    z-index:2;

}

.lesson-index img{

    width:18px;
    height:18px;

    object-fit:contain;

    opacity:.9;

}

.lesson-row:hover .lesson-index{

    transform:scale(1.08);

    background:rgba(123,92,255,.16);

    border-color:#7B5CFF;

    box-shadow:
            0 0 20px rgba(123,92,255,.35);

}


/* ==========================================================
   LESSON TITLE
========================================================== */

.lesson-title{

    font-size:17px;

    color:#fff;

    font-weight:500;

    transition:.25s;

}

.lesson-row:hover .lesson-title{

    color:#C7B7FF;

}


/* ==========================================================
   LESSON META
========================================================== */

.lesson-meta{

    display:flex;

    align-items:center;

    justify-content:center;

    color:#6B7280;

    transition:.25s;

}

.lesson-row:hover .lesson-meta{

    color:#B89CFF;

    transform:translateX(4px);

}

/* ==========================================================
   TABLET
========================================================== */

@media (max-width:991px){

    .course-curriculum{
        padding:80px 0;
    }

    .curriculum-header{
        padding:24px;
    }

    .module-title strong{
        font-size:24px;
    }

    .curriculum-right span{
        display:none;
    }

    .curriculum-body{
        margin-left:40px;
        padding:0 24px 22px;
    }

    .curriculum-body::before{
        left:16px;
    }

    .lesson-row{
        grid-template-columns:44px 1fr auto;
        gap:14px;
    }

    .lesson-index{
        width:36px;
        height:36px;
    }

    .lesson-index img{
        width:16px;
        height:16px;
    }

}


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

@media (max-width:640px){

    .course-curriculum{
        padding:70px 0;
    }

    .curriculum{
        gap:16px;
    }

    .curriculum-item{
        border-radius:20px;
    }

    .curriculum-header{

        padding:20px;

        align-items:flex-start;

    }

    .curriculum-left{
        gap:14px;
    }

    .module-dot{

        width:12px;
        height:12px;

        margin-top:8px;

    }

    .module-title strong{

        font-size:20px;
        line-height:1.35;

    }

    .curriculum-body{

        margin-left:30px;

        padding:0 20px 20px;

    }

    .curriculum-body::before{

        left:14px;

    }

    .lesson-row{

        grid-template-columns:36px 1fr;

        gap:14px;

        padding:16px 0;

    }

    .lesson-index{

        width:32px;
        height:32px;

    }

    .lesson-index img{

        width:14px;
        height:14px;

    }

    .lesson-title{

        font-size:15px;
        line-height:1.5;

    }

    .lesson-meta{
        display:none;
    }

}


/* ==========================================================
   SMALL MOBILE
========================================================== */

@media (max-width:420px){

    .curriculum-header{
        padding:18px;
    }

    .module-title strong{
        font-size:18px;
    }

    .lesson-title{
        font-size:14px;
    }

}

.lesson-modal{

    position:fixed;

    inset:0;

    opacity:0;

    visibility:hidden;

    transition:.3s;

    z-index:99999;

}

.lesson-modal.active{

    opacity:1;

    visibility:visible;

}

.lesson-modal__overlay{

    position:absolute;

    inset:0;

    background:rgba(0,0,0,.65);

    backdrop-filter:blur(10px);

}

.lesson-modal__window{

    position:absolute;

    top:50%;
    left:50%;

    transform:translate(-50%,-50%) scale(.9);

    width:420px;
    max-width:90%;

    padding:42px;

    border-radius:26px;

    background:#111827;

    border:1px solid rgba(255,255,255,.08);

    text-align:center;

    transition:.35s;

}

.lesson-modal.active .lesson-modal__window{

    transform:translate(-50%,-50%) scale(1);

}

.lesson-modal__icon{

    font-size:48px;

    margin-bottom:20px;

}

.lesson-modal h3{

    margin-bottom:12px;

}

.lesson-modal p{

    color:#9CA3AF;

    margin-bottom:30px;

}

.lesson-modal__close{

    position:absolute;

    top:18px;
    right:18px;

    width:36px;
    height:36px;

    border:none;

    background:none;

    color:#fff;

    cursor:pointer;

    font-size:22px;

}

.modal-open{

    overflow:hidden;

}