/* General Styles */
body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
    /* Moving gradient background */
    background: linear-gradient(45deg, #e3f2fd, #f9fbe7, #e8f5e9, #fff3e0);
    background-size: 400% 400%;
    animation: gradient 30s ease infinite;
}

@keyframes gradient {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}

header {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
    padding: 0;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background 0.3s;
}

nav a:hover {
    background: rgba(0, 0, 0, 0.1);
}

.hero {
    max-width: 1100px;
    margin: auto;
    padding: 4rem 1rem;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.btn-primary {
    background: linear-gradient(45deg, #42a5f5, #478ed1);
    color: #fff;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.section {
    max-width: 1100px;
    margin: 3rem auto;
    padding: 1rem;
}

.card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.list-style {
    padding-left: 1.2rem;
    margin-bottom: 1rem;
}

blockquote {
    border-left: 4px solid #42a5f5;
    padding-left: 1rem;
    margin: 1rem 0;
    font-style: italic;
    background: rgba(66, 165, 245, 0.05);
}

.callout {
    background: #fff9c4;
    border-left: 4px solid #fdd835;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 8px;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    border: 1px solid #ddd;
    padding: 0.75rem;
    text-align: left;
}

table th {
    background: #f5f5f5;
}

.faq-section h2 {
    margin-bottom: 1rem;
}

.faq-item {
    margin-bottom: 1rem;
}

.faq-item h3 {
    cursor: pointer;
    padding: 0.75rem;
    background: #f5f5f5;
    border-radius: 6px;
    margin: 0;
}

.faq-item .answer {
    display: none;
    padding: 0.75rem;
    background: #fff;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

.video-container {
    position: relative;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    margin-bottom: 2rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.video-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 3rem;
    background: rgba(0, 0, 0, 0.3);
    transition: background 0.3s;
}

.video-container:hover .video-overlay {
    background: rgba(0, 0, 0, 0.5);
}

footer {
    background: rgba(255, 255, 255, 0.8);
    margin-top: 3rem;
    padding: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: #555;
}