.courses-section{
    padding:48px 0 88px;
}

.section-header{
    margin-bottom:42px;
}

.section-subtitle{
    display:inline-flex;
    padding:8px 12px;
    border-radius:999px;
    background:rgba(0,209,224,.10);
    border:1px solid rgba(0,209,224,.18);
    color:var(--cyan);
    font-size:.78rem;
    font-weight:800;
    text-transform:uppercase;
    letter-spacing:.08em;
}

.section-title{
    font-size:3rem;
    line-height:1.05;
    letter-spacing:-.04em;
    margin:18px 0 0;
}

.courses-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
}

.course-card{
    display:flex;
    flex-direction:column;
    position:relative;
    min-height:100%;
    overflow:hidden;
    border-radius:18px;
    background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0)),var(--surface);
    border:1px solid var(--line);
    box-shadow:var(--shadow);
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}

.course-card:hover{
    transform:translateY(-8px);
    border-color:var(--cyan);
    box-shadow:0 0 20px rgba(0,209,224,.22);
}

.course-img-wrapper{
    position:relative;
    aspect-ratio:16/11;
    overflow:hidden;
}

.course-img-wrapper img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .35s ease,opacity .35s ease;
    opacity:.9;
}

.course-card:hover .course-img-wrapper img{
    transform:scale(1.05);
    opacity:1;
}

.course-media-overlay{
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(7,7,9,.08) 0%,rgba(7,7,9,.02) 30%,rgba(7,7,9,.72) 100%);
    z-index:1;
}

.course-play-btn{
    position:absolute;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    z-index:2;
    width:58px;
    height:58px;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(7,7,9,.72);
    color:#fff;
    border:1px solid rgba(255,255,255,.16);
    transition:all .25s ease;
}

.course-card:hover .course-play-btn{
    background:#fff;
    border-color:#fff;
    color:var(--cyan);
}

.course-price-pill{
    position:relative;
    z-index:3;
    align-self:center;
    margin-top:-18px;
    margin-bottom:10px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:118px;
    min-height:32px;
    padding:0 12px;
    border-radius:14px;
    background:linear-gradient(180deg,#22b4f6 0%, #1797e0 100%);
    color:#fff;
    font-size:.74rem;
    font-weight:700;
    letter-spacing:0;
    box-shadow:0 8px 16px rgba(21,154,232,.18);
}

.course-content{
    display:flex;
    flex:1 1 auto;
    flex-direction:column;
    padding:10px 22px 22px;
}

.course-category-line{
    display:inline-flex;
    align-items:center;
    gap:10px;
    margin-bottom:14px;
    color:var(--muted);
    font-size:.96rem;
    font-weight:500;
}

.course-category-dot{
    width:10px;
    height:10px;
    border-radius:50%;
    background:var(--cyan);
    box-shadow:0 0 14px rgba(0,209,224,.22);
}

.course-title{
    font-size:1.18rem;
    line-height:1.3;
    letter-spacing:-.02em;
    margin:0 0 12px;
}

.course-copy{
    margin:0 0 18px;
    color:var(--muted);
    font-size:.94rem;
    line-height:1.65;
}

.course-card--catalog .course-img-wrapper{
    aspect-ratio:16/9;
}

.course-card--catalog .course-content{
    padding:10px 20px 20px;
}

.course-card--catalog .course-title{
    margin:0 0 10px;
    font-size:1.04rem;
    line-height:1.32;
    letter-spacing:-.014em;
    font-weight:700;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2;
    overflow:hidden;
}

.course-card--catalog .course-copy{
    margin:0 0 16px;
    font-size:.89rem;
    line-height:1.56;
    display:-webkit-box;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2;
    overflow:hidden;
}

.course-meta{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    color:var(--muted);
    font-size:.84rem;
    margin-bottom:18px;
}

.course-meta span{
    display:inline-flex;
    align-items:center;
    gap:8px;
}

.course-meta i{
    color:var(--cyan);
    font-size:.82rem;
}

.course-footer{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:14px;
    margin-top:auto;
    padding-top:16px;
    border-top:1px solid var(--line);
}

.course-stars{
    display:grid;
    gap:3px;
}

.course-stars-icons{
    color:#f4b400;
    font-size:.95rem;
    letter-spacing:1px;
}

.course-stars-copy{
    color:var(--muted);
    font-size:.76rem;
    font-weight:700;
}

.course-arrow-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:0;
    min-height:40px;
    padding:0 14px;
    border-radius:10px;
    border:1px solid rgba(15,127,134,.30);
    background:var(--cta-green);
    color:#f3fff7;
    box-shadow:none;
    font-size:13px;
    font-weight:700;
    line-height:1;
    white-space:nowrap;
    transition:background-color .22s ease,border-color .22s ease,color .22s ease;
}

[data-theme="light"] .course-arrow-btn{
    background:var(--cta-green);
    color:#ffffff;
    border-color:rgba(15,127,134,.30);
    box-shadow:none;
}

.course-card:hover .course-arrow-btn{
    border-color:rgba(11,102,108,.52);
    color:#ffffff;
    background:var(--cta-green-dark);
    box-shadow:none;
}

[data-theme="light"] .course-card:hover .course-arrow-btn{
    color:#ffffff;
    background:var(--cta-green-dark);
    border-color:rgba(11,102,108,.44);
    box-shadow:none;
}

@media (max-width:1200px){
    .courses-grid{
        grid-template-columns:repeat(3,1fr);
    }
}

@media (max-width:992px){
    .courses-grid{
        grid-template-columns:repeat(2,1fr);
    }
}

@media (max-width:768px){
    .section-title{
        font-size:2.2rem;
        margin-bottom:40px;
    }

    .courses-grid{
        grid-template-columns:1fr;
    }

    .course-price-pill{
        min-width:118px;
        min-height:32px;
        font-size:.74rem;
    }
}

@media (max-width:560px){
    .course-content{
        padding:18px;
    }

    .course-card--catalog .course-content{
        padding:10px 18px 18px;
    }

    .course-meta{
        flex-direction:column;
        align-items:flex-start;
    }

    .course-play-btn{
        width:46px;
        height:46px;
    }

    .course-price-pill{
        min-width:118px;
        min-height:32px;
        margin-top:-18px;
        margin-bottom:8px;
        padding:0 12px;
        font-size:.74rem;
    }

    .course-category-line{
        gap:8px;
        font-size:.9rem;
    }

    .course-copy{
        font-size:.9rem;
    }

    .course-card--catalog .course-title{
        font-size:1rem;
    }

    .course-card--catalog .course-copy{
        font-size:.87rem;
    }

    .course-footer{
        flex-direction:column;
        align-items:flex-start;
    }

    .course-arrow-btn{
        width:100%;
        justify-content:center;
    }
}