*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html{
    scroll-behavior:smooth;
    height: auto;
    overflow: visible;
}

body{
    font-family:Arial,sans-serif;
    background:#fef4f1;
    color:#222;
    height: auto;
    overflow: visible;
}

.container{
    width:90%;
    max-width:1300px;
    margin:auto;
}

/* =========================
   NAVBAR
========================= */

.navbar{
    height:75px;
    background:#fff;
    display:flex;
    align-items:center;
    box-shadow:0 10px 60px 6px rgba(0,0,0,0.15);
}

.logo-login{
    width:100%;
    display:flex;
    justify-content:space-between;
    align-items:center;
}


.logo{
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:bold;
    cursor:pointer;
    font-size:20px;
    text-decoration:none;
    color:#222;
}

.logo-circle{
    width:50px;
    height:50px;
    border-radius:50%;
    object-fit:cover;
}

.auth-buttons{
    display:flex;
    align-items:center;
    gap:10px;
}

.login-btn{
    width:120px;
    height:40px;
    border:1px solid #ff6a2b;
    border-radius:20px;
    color:#ff6a2b;
    background:#fef4f1;
    cursor:pointer;
    font-weight:bold;
    transition:0.3s;
}

.login-btn:hover{
    color:#fff;
    background:#ff6a2b;
}


.reg-btn{
    width:120px;
    height:40px;
    border:1px solid #ff6a2b;
    border-radius:20px;
    color:#ff6a2b;
    background:#fef4f1;
    cursor:pointer;
    font-weight:bold;
    transition:0.3s;
}

.reg-btn:hover{
    color:#fff;
    background:#ff6a2b;
}

/* =========================
    POPUP
========================= */

.popup-overlay{
    position:fixed;

    inset:0;

    background:rgba(0,0,0,0.5);

    display:none;

    align-items:center;

    justify-content:center;

    z-index:9999;

    backdrop-filter:blur(5px);
}

.popup-box{
    width:400px;

    background:#fff;

    padding:35px;

    border-radius:25px;

    position:relative;

    display:flex;

    flex-direction:column;

    gap:18px;

    animation:popupShow 0.3s ease;
}

.phone-group{
    display:flex;
    gap:10px;
    align-items:center;
}

.country-code{
    width:120px;
    padding:14px;
    border:1px solid #ddd;
    border-radius:20px;
    outline:none;
    font-size:14px;
    background:#fff;
    cursor:pointer;
}

.phone-group input{
    flex:1;
}

.iti{
    width: 100%;
}

/* CLOSE BUTTON */

.close-popup{
    position:absolute;

    top:15px;
    right:18px;

    border:none;

    background:none;

    font-size:30px;

    cursor:pointer;

    color:#777;
}

/* TITLE */

.popup-box h2{
    text-align:center;

    color:#ff6a2b;
}

/* INPUTS */

.popup-box input{
    width:100%;

    padding:14px;

    border:1px solid #ddd;

    border-radius:20px;

    outline:none;

    font-size:15px;

    transition:0.3s;
}

.popup-box input:focus{
    border-color:#ff6a2b;
}

/* BUTTON */

.popup-btn{
    padding:14px;
    border:1px solid #ff6a2b;
    border-radius:20px;
    color:#ff6a2b;
    background:#fef4f1;
    cursor:pointer;
    font-weight:bold;
    transition:0.3s;
}

.popup-btn:hover{
    color:#fff;
    background:#ff6a2b;
}

/* ANIMATION */

@keyframes popupShow{

    from{
        opacity:0;

        transform:scale(0.9);
    }

    to{
        opacity:1;

        transform:scale(1);
    }

}


/* =========================
   MAIN GRID
========================= */

.course-layout{
    padding:60px 0 100px;
    overflow: visible;

}

.main-grid{
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;

    align-items: start;
    overflow: visible;
}


/* =========================
   LEFT
========================= */

.thumbnail-wrapper{
    position:relative;
}

.course-thumbnail{
    width:100%;

    aspect-ratio:16/9;

    object-fit:cover;

    border-radius:32px;

    display:block;

    box-shadow:
    0 20px 60px rgba(0,0,0,0.15);
}

/* BADGE */

.badge{
    position:absolute;

    top:20px;
    left:20px;

    background:#eceb98;

    color:#555;

    padding:10px 18px;

    border-radius:30px;

    font-size:13px;

    font-weight:700;

    letter-spacing:1px;
}

/* TITLE */

.course-title{
    font-size:42px;

    line-height:1.1;

    margin-top:20px;

    font-weight:800;
}

/* DESCRIPTION

.course-description{
    margin-top:10px;

    color:#555;

    line-height:1.9;

    font-size:18px;
}
*/



/* META */

.hero-meta{
    display:flex;

    gap:18px;

    flex-wrap:wrap;

    margin-top:20px;

    margin-bottom:20px;
}

.meta-item{
        display:flex;

    align-items:center;

    gap:10px;

    background:#fef4f1;

    padding:12px 16px;

    border-radius:14px;

    color:#555;
}

.meta-item i{
    color:#ff6a2b;
}

/* =========================
   CARDS
========================= */

.card{
    background:#fff;

    padding:35px;

    border-radius:28px;

    margin-bottom:28px;

    box-shadow:
    0 10px 30px rgba(0,0,0,0.15);
}

.card h2{
    margin-bottom:20px;
}

.card p{
    line-height:1.9;
    color:#555;
}

/* COURSE INFO */

.course-info{
    margin-bottom:20px;

    display:flex;

    flex-wrap: wrap;

    gap:15px;
}

.course-info div{
    display:flex;

    align-items:center;

    gap:10px;

    background:#fef4f1;

    padding:12px 16px;

    border-radius:14px;

    color:#555;
}


.course-info i{
    color:#ff6a2b;
}

/* Overview */

.overview-text{
    font-size: 15px;
}

.overview-video{
    margin-bottom: 20px;
    position:relative;

    padding-bottom:56.25%; /* 16:9 */

    height:0;

    overflow:hidden;

    border-radius:24px;

    box-shadow:
    0 15px 40px rgba(0,0,0,0.12);
}

.overview-video iframe{
    position:absolute;

    top:0;
    left:0;

    width:100%;
    height:100%;

    border:none;
}

.description-text{
    margin-bottom: 15px;
}

#description-header{
    font-weight: bold;
}


/* LEARN GRID */

.learn-grid{
    display:grid;

    grid-template-columns:1fr 1fr;

    gap:7px;
}

.learn-item{
    display:flex;

    align-items:center;

    gap:12px;

    background:#fef4f1;

    padding:16px;

    border-radius:16px;
}

.learn-item i{
    color:#ff6a2b;
}

/* =========================
   ACCORDION

   .accordion-item{
    border-bottom:1px solid #eee;
}

.accordion-header{
    width:100%;

    padding:22px 0;

    border:none;

    background:none;

    display:flex;

    justify-content:space-between;

    align-items:center;

    font-size:16px;

    font-weight:bold;

    cursor:pointer;

    transition: 0.3s;
}

.accordion-header.active i{
    transform:rotate(180deg);
}

.accordion-content{
    max-height:0;

    overflow:hidden;

    transition:0.3s;
}

.accordion-content p{
    padding-bottom:20px;
}
========================= */

/* =========================
   CHAPTER
========================= */

.chapter{
    background:#fef4f1;
    border-radius:20px;
    margin-bottom:10px;
    padding:20px;
}



/* HEADER */

.chapter-header{
    width:100%;
    display:flex;
    justify-content:space-between;
    align-items:center;

    border:none;
    background:none;

    font-size:18px;
    font-weight:700;

    cursor:pointer;
}

.chapter-header i{
    transition:0.3s ease;
}

.chapter.active .chapter-header i{
    transform:rotate(180deg);
}


/* META */

.chapter-meta{
    display:flex;
    gap:15px;
    margin-top:10px;
    color:#666;
    font-size:14px;
}

.chapter-meta i{
    color:#ff6a2b;
}

/* CONTENT */

.chapter-content{
    max-height:0;
    overflow:hidden;
    transition:0.4s ease;
    margin-top:10px;
}

/* LESSON */

.lesson{
    display:flex;
    justify-content:space-between;
    align-items:center;

    background:#fff;
    padding:14px 16px;
    border-radius:14px;

    margin-top:10px;
}

.lesson-left{
    display:flex;
    align-items:center;
    gap:10px;
}

.lesson-left i{
    color:#999;
    font-size:18px;
}

/* preview icon green */

.preview-icon{
    color:#555;
    cursor:pointer;
    transition:0.2s;
}

.preview-icon.is-preview{
    color:#28a745;
}

.preview-icon:hover{
    transform:scale(1.15);
}

/* preview badge */

.preview-badge{
    background:#28a745;
    color:#fff;

    font-size:12px;
    padding:3px 8px;
    border-radius:10px;

    cursor:pointer;
    transition:0.2s;
}

.preview-badge:hover{
    transform:scale(1.05);
    opacity:0.9;
}

/* lesson time */

.lesson-time{
    color:#555;
    font-size:14px;
}

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


.reviews-wrapper{
    max-height:595px;
    background:#fff;
    border-radius:28px;
    overflow:hidden;
    box-shadow:0 10px 30px rgba(0,0,0,0.15);
}

.reviews-card{
    max-height:595px;
    overflow-y:auto;

    padding:35px;
}

.review{
    background:#fef4f1;
    padding:18px;
    border-radius:20px;
    margin-bottom: 10px;
}

.review-header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:12px;
}

.review-user{
    display:flex;
    align-items:center;
    gap:12px;
}

.review-user img{
    width:45px;
    height:45px;
    border-radius:50%;
    object-fit:cover;
}

.review-user h4{
    margin:0;
    font-size:16px;
}

.rating{
    color:#ff6a2b;
    font-size:18px;
    margin-top:1px;
    font-weight: bold;
}


.review p{
    color:#555;
    line-height:1.7;
    font-size:15px;
}


.review-count{
    color:#000;
    font-weight:bold;
}

.reviews-card::-webkit-scrollbar{
    width: 6px;
}

.reviews-card::-webkit-scrollbar-track{
    background:#f1f1f1;
    border-radius:10px;
}

.reviews-card::-webkit-scrollbar-thumb{
    background:#ff6a2b;
    border-radius:10px;
}

/* =========================
   SIDEBAR
========================= */

.sidebar{
    position: sticky;
    top: 20px;
    align-self: start;
}

/* WRAPPER */

.sticky-wrapper{

    position:sticky;

    top:30px;
}

/* =========================
   PRICE CARD
========================= */

.price-card{
    position: relative;
    background: #fff;
    padding: 30px 20px;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}


.price-card p{
    color: 555;
    font-size: 12px;
    margin-top: 40px;
}


.price-row{
    display:flex;

    align-items:center;

    gap:12px;
}

.price{
    color:#ff6a2b;
    font-weight:bold;
    font-size:30px;
}

.old-price{
    text-decoration:line-through;
    color:#aaa;
    font-size:22px;
    margin-left:5px;
}

.dis-percentage{
    
    color: #25ae22;
    background-color: #e9f7e8;
    padding: 3px 6px;
    border-radius: 20px;
    font-size:22px;
    margin-left:5px;
    width: fit-content;
}

.rating-priceCard{
    color:#ff6a2b;
    font-size:18px;
    margin-top:10px;
    font-weight: bold;
}

/* =========================
   PAYMENT METHODS
========================= */

.payment-methods{

    margin-top:5px;

    display:flex;

    align-items:center;

    gap:10px;
}

.payment-methods img{

    width:20px;

    height:auto;

    object-fit:contain;

    /*background:#fef4f1;

    padding:6px 10px;

    border-radius:12px;

    box-shadow:
    0 5px 15px rgba(0,0,0,0.15);*/
}

/* BUY BUTTON */

.buy-btn{
    margin-top:10px;
    width:100%;
    padding:15px;
    border:1px solid #ff6a2b;
    color:#ff6a2b;
    background:#fef4f1;
    border-radius:15px;
    cursor:pointer;
    font-size: 17px;
    font-weight:bold;
    transition:0.3s;
    display:flex;
    align-items:center;
    justify-content:center;
    text-decoration:none;
}

.buy-btn:hover{
    background:#ff6a2b;
    color:#fff;
}



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

@media(max-width:992px){

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

    .course-title{
        font-size:42px;
    }

    .price-card{
        position:relative;
        top:0;
    }

}

@media(max-width:768px){

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

    .course-title{
        font-size:34px;
    }

}