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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
}

/* Header Section */
header {
    background-color: #333;
    color: white;
    padding: 15px 20px;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
}

header .logo a {
    font-size: 1.8em;
    color: white;
    text-decoration: none;
    font-weight: bold;
}

header nav ul {
    list-style: none;
    display: flex;
    justify-content: flex-end;
}

header nav ul li {
    margin: 0 15px;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1.1em;
    padding: 10px;
}

header nav ul li a:hover {
    background-color: #007bff;
    border-radius: 5px;
}

/* Profile Section */
.profile-container {
    margin-top: 80px;
    padding: 20px;
}

.profile-banner img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.profile-details {
    display: flex;
    margin-top: -80px;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.1);
}

.profile-picture {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 20px;
}

.profile-picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info h1 {
    font-size: 2.2em;
    margin-bottom: 10px;
}

.profile-info p {
    font-size: 1.1em;
    margin-top: 10px;
}

.profile-info button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 1.2em;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
}

.profile-info button:hover {
    background-color: #0056b3;
}

/* Tabs Styling */
.profile-tabs {
    display: flex;
    margin-top: 30px;
    justify-content: center;
}

.tab-button {
    background-color: #f1f1f1;
    border: 1px solid #ddd;
    padding: 15px 30px;
    margin: 0 5px;
    cursor: pointer;
    font-size: 1.2em;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.tab-button:hover {
    background-color: #007bff;
    color: white;
}

.tab-button.active {
    background-color: #007bff;
    color: white;
}

/* Profile Content Sections */
.profile-content {
    margin-top: 30px;
}

.tab-content {
    display: none;
}

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

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.video-card {
    background-color: white;
    border-radius: 10px;
    padding: 10px;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.video-card video {
    width: 100%;
    border-radius: 8px;
}

.video-card h4 {
    font-size: 1.1em;
    margin-top: 10px;
}

/* Footer Section */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 15px;
    position: relative;
    bottom: 0;
    width: 100%;
    margin-top: 40px;
}

footer p {
    font-size: 1em;
}