.course-page {
    font-family: Poppins, Arial, sans-serif;
    color: #102b52;
    padding-top: 0px;
    background: #f7faff
}

.course-hero {
    padding: 64px 0;
    background: #0d3060;
    color: white
}

.course-hero h1 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    max-width: 850px;
    font-weight: 700;
    line-height: 1.18
}

.course-tag {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #0869ed;
    margin-bottom: 16px
}

.course-hero .course-tag,
.course-back {
    color: #aedaff
}

.course-back {
    display: inline-block;
    margin-bottom: 25px
}

.course-lead {
    max-width: 780px;
    font-size: 18px;
    line-height: 1.8;
    margin: 24px 0
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
    padding-top: 48px;
    padding-bottom: 64px
}

.course-card {
    padding: 32px;
    background: white;
    border: 1px solid #dce5f2;
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    align-items: flex-start
}

.course-card h2 {
    font-size: 28px;
    font-weight: 700
}

.course-card p,
.course-aside p {
    font-size: 16px;
    line-height: 1.8
}

.course-card .btn {
    margin-top: auto
}

.course-card p {
    margin-bottom: 28px
}

.course-detail {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 40px
}

.course-detail h2,
.course-related h2 {
    font-size: 25px;
    font-weight: 700
}

.course-topics {
    list-style: none;
    padding: 0
}

.course-topics li {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid #dce5f2
}

.course-topics span {
    color: #0869ed;
    font-weight: 700
}

.course-topics h3 {
    font-size: 18px;
    line-height: 1.5;
    margin: 0
}

.course-aside {
    background: white;
    border: 1px solid #dce5f2;
    border-radius: 18px;
    padding: 28px
}

.course-aside h2:not(:first-child) {
    margin-top: 28px
}

.course-related {
    padding-bottom: 60px
}

.course-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 24px
}

.course-links a {
    padding: 12px 20px;
    border: 1px solid #c7d8ed;
    border-radius: 8px;
    background: white;
    color: #0d3060
}

.training-panel[hidden] {
    display: none !important
}

.training-category-btn:focus-visible {
    outline: 2px solid #20cfff;
    outline-offset: -4px
}

@media(max-width:767px) {

    .course-grid,
    .course-detail {
        grid-template-columns: 1fr
    }

    .course-hero {
        padding: 40px 0
    }

    .course-card {
        padding: 24px
    }

    .course-detail {
        gap: 25px
    }

    .course-page {
        padding-top: 80px
    }
}

@media(prefers-reduced-motion:reduce) {
    .training-panel.active {
        animation: none !important
    }
}