/* =========================================
   COURSE DETAILS PAGE
========================================= */

.course-details-page {
    max-width: 1180px;
    margin: 0 auto;
    padding: 35px 25px 70px;
}


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

.course-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    font-size: 13px;
    color: #7b8a90;
}

.course-breadcrumb a {
    color: #278c9b;
    text-decoration: none;
}

.course-breadcrumb span:last-child {
    color: #244b5b;
    font-weight: 600;
}


/* =========================================
   MAIN COURSE
========================================= */

.course-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 55px;
    align-items: center;
}


/* =========================================
   IMAGE
========================================= */

.course-image-box {
    position: relative;
    height: 350px;
    border-radius: 18px;
    overflow: hidden;
    background: #edf4f5;
}

.course-image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    width: 70px;
    height: 70px;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.95);

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

    color: #278c9b;

    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.18);
}

.course-play-button i {
    font-size: 24px;
    margin-right: -3px;
}


/* =========================================
   COURSE INFO
========================================= */

.course-category {
    display: inline-block;

    padding: 7px 14px;

    border-radius: 20px;

    background: #edf7f7;
    color: #278c9b;

    font-size: 13px;
    font-weight: 700;

    margin-bottom: 15px;
}

.course-info h1 {
    margin: 0 0 18px;

    color: #164b61;

    font-size: 31px;
    line-height: 1.5;
}


/* =========================================
   INSTRUCTOR
========================================= */

.course-instructor {
    display: flex;
    align-items: center;
    gap: 8px;

    color: #6f7d82;

    font-size: 14px;

    margin-bottom: 22px;
}

.course-instructor i {
    color: #278c9b;
}


/* =========================================
   STATS
========================================= */

.course-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;

    margin-bottom: 25px;
}

.course-stat {
    display: flex;
    align-items: center;
    gap: 7px;

    color: #536b73;

    font-size: 14px;
}

.course-stat i {
    color: #278c9b;
}

.course-stat:nth-child(3) i {
    color: #d9a52d;
}

.course-stat small {
    color: #8a969a;
}


/* =========================================
   BUTTONS
========================================= */

.course-actions {
    display: flex;
    gap: 12px;
}

.join-course-button,
.favorite-course-button {
    height: 48px;

    padding: 0 22px;

    border-radius: 10px;

    font-family: inherit;

    font-size: 14px;
    font-weight: 700;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    cursor: pointer;

    transition: .25s;
}

.join-course-button {
    background: #278c9b;
    color: white;
    text-decoration: none;

    border: 1px solid #278c9b;
}

.join-course-button:hover {
    background: #1f7885;
}

.favorite-course-button {
    background: white;
    color: #278c9b;

    border: 1px solid #278c9b;
}

.favorite-course-button:hover {
    background: #edf7f7;
}


/* =========================================
   TABS
========================================= */

.course-tabs {
    margin-top: 55px;

    display: flex;
    align-items: center;

    border-bottom: 1px solid #e5ecee;
}

.course-tab {
    position: relative;

    padding: 17px 35px;

    border: none;
    background: transparent;

    font-family: inherit;

    font-size: 15px;
    font-weight: 700;

    color: #687b81;

    cursor: pointer;
}

.course-tab.active {
    color: #278c9b;
}

.course-tab.active::after {
    content: "";

    position: absolute;

    bottom: -1px;
    right: 20%;
    left: 20%;

    height: 3px;

    border-radius: 5px;

    background: #278c9b;
}


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

.course-content-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;

    gap: 25px;

    margin-top: 25px;
}

.course-about,
.course-learn {
    background: white;

    border: 1px solid #edf0f1;

    border-radius: 14px;

    padding: 28px;
}

.course-about h2,
.course-learn h2 {
    color: #164b61;

    font-size: 20px;

    margin: 0 0 18px;
}

.course-about p {
    color: #66777d;

    line-height: 2;

    font-size: 14px;

    margin: 0;
}


/* =========================================
   LEARN ITEMS
========================================= */

.learn-item {
    display: flex;

    align-items: flex-start;

    gap: 10px;

    margin-bottom: 15px;

    color: #536b73;

    font-size: 14px;

    line-height: 1.7;
}

.learn-item:last-child {
    margin-bottom: 0;
}

.learn-item i {
    color: #278c9b;

    margin-top: 5px;
}


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

@media (max-width: 900px) {

    .course-main {
        grid-template-columns: 1fr;

        gap: 30px;
    }

    .course-image-box {
        height: 300px;
    }

    .course-content-grid {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 600px) {

    .course-details-page {
        padding: 25px 15px 50px;
    }

    .course-info h1 {
        font-size: 24px;
    }

    .course-actions {
        flex-direction: column;
    }

    .course-tabs {
        overflow-x: auto;
    }

    .course-tab {
        padding: 15px 20px;
        white-space: nowrap;
    }

}

/* =========================================
   RATING SUMMARY
========================================= */

.course-rating-summary {
    display: flex;
    align-items: center;
    gap: 8px;

    margin-bottom: 8px;
}

.course-rating-summary i {
    color: #d9a52d;
    font-size: 18px;
}

.course-rating-summary strong {
    color: #164b61;
    font-size: 24px;
}

.course-rating-summary span {
    color: #89969a;
    font-size: 13px;
}
/* =========================================
   TAB CONTENT
========================================= */

.course-tab-content {
    display: none;
    margin-top: 25px;
}

.course-tab-content.active {
    display: block;
}


/* =========================================
   CONTENT BOX
========================================= */

.course-content-box {
    background: white;

    border: 1px solid #edf0f1;

    border-radius: 14px;

    padding: 28px;
}

.course-content-box h2 {
    color: #164b61;

    font-size: 20px;

    margin: 0 0 18px;
}

.course-content-box p {
    color: #66777d;

    line-height: 2;

    font-size: 14px;

    margin: 0;
}


/* =========================================
   GOAL + TOPICS
========================================= */

.course-tab-content .course-content-grid {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 25px;

    margin-top: 0;

    align-items: start;
}


/* =========================================
   TOPICS
========================================= */

.learn-item {
    display: flex;

    align-items: flex-start;

    gap: 10px;

    margin-bottom: 15px;

    color: #536b73;

    font-size: 14px;

    line-height: 1.7;
}

.learn-item:last-child {
    margin-bottom: 0;
}

.learn-item i {
    color: #278c9b;

    margin-top: 5px;
}


/* =========================================
   RATING
========================================= */

.course-rating-summary {
    display: flex;

    align-items: center;

    gap: 8px;

    margin-bottom: 8px;
}

.course-rating-summary i {
    color: #d9a52d;

    font-size: 20px;
}

.course-rating-summary strong {
    color: #164b61;

    font-size: 28px;
}

.course-rating-summary span {
    color: #89969a;

    font-size: 13px;
}


/* =========================================
   REVIEWS TEXT
========================================= */

.course-reviews-text {
    margin-top: 25px;

    padding: 18px;

    background: #edf7f7;

    border-radius: 10px;

    color: #536b73;

    font-size: 14px;

    line-height: 1.9;
}


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

@media (max-width: 700px) {

    .course-tab-content .course-content-grid {
        grid-template-columns: 1fr;
    }

}

/* =========================================
   FAVORITE BUTTON
========================================= */

.favorite-course-button {
    background: white;
    color: #278c9b;
    border: 1px solid #278c9b;

    transition: 0.25s;
}

.favorite-course-button:hover {
    background: #edf7f7;
}


/* Active / Favorite */

.favorite-course-button.active {
    background: #fff1f3;
    border-color: #e05a6f;
    color: #e05a6f;
}

.favorite-course-button.active i {
    color: #e05a6f;
}