/* CÀI ĐẶT CHUNG */

/* * {
    box-sizing: border-box;
} */

body {
    margin: 0;
    /* background-color: #f1f5f9; */
    color: #334155;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}


/* PHẦN ĐẦU TRANG */

.header {
    background-color: #2563eb;
    color: white;
    text-align: center;
    padding: 35px 20px;
}

.header h1 {
    margin: 0 0 10px;
    font-size: 32px;
}

.header p {
    margin: 0;
    font-size: 18px;
}




.section {
    background-color: white;
    margin-bottom: 25px;
    padding: 25px;
}

.section h2 {
    color: #1d4ed8;
    margin-top: 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #bfdbfe;
}


/* PHẦN GIỚI THIỆU */

.course-image {
    display: block;
    width: 100%;
    height: 280px;
    /* margin: 20px auto; */
    border-radius: 8px;
    /* object-fit: cover; */
}

.description {
    text-align: justify;
    font-size: 17px;
}

.description strong {
    color: #e44d26;
}


/* DANH SÁCH NỘI DUNG HỌC */

.lesson-list {
    padding-left: 30px;
}

.lesson-list li {
    margin-bottom: 10px;
}


/* THẺ THÔNG TIN KHÓA HỌC */

.card {
    width: 350px;
    /* margin: 20px auto; */
    padding: 25px;
    border: 2px solid #93c5fd;
    border-radius: 12px;
    box-shadow: 0 5px 12px #cbd5e1;
    background-color: #f8fafc;
}

.card h3 {
    margin-top: 0;
    color: #1e40af;
    font-size: 24px;
    text-align: center;
}

.card-image {
    display: block;
    width: 100%;
    height: 190px;
    margin-bottom: 20px;
    border-radius: 8px;
    /* object-fit: cover; */
}

.card p {
    text-align: center;
    padding-bottom: 8px;
    border-bottom: 1px solid #e2e8f0;
}

.register-button {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 12px;
    border-radius: 6px;
    background-color: #f97316;
    color: white;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
}


table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th,
td {
    padding: 12px;
    border: 1px solid #94a3b8;
}

th {
    background-color: #2563eb;
    color: white;
    text-align: center;
}


.footer {
    background-color: #1e293b;
    color: white;
    text-align: center;
    padding: 20px;
}

.footer p {
    margin: 0;
}