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

html 
{
    scroll-behavior: smooth;
}

/* Body */
body 
{
    font-family: Arial, sans-serif;
    background-color: #f2f4f8;
    color: #333;
    line-height: 1.6;
}

/* Navigation Bar */
nav 
{
    background: #141421;
    padding: 15px 10px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav a 
{
    color: white;
    text-decoration: none;
    margin: 0 15px;
    font-size: 0.95rem;
    transition: opacity 0.2s ease;
}

nav a:hover 
{
    opacity: 0.7;
}

/* Header / Hero Section */
header 
{
    background: linear-gradient(135deg, #1e1e2f, #2a2a40);
    color: white;
    text-align: center;
    padding: 70px 20px;
}

header h1 
{
    font-size: 2.5rem;
    margin-bottom: 15px;
}

header p 
{
    font-size: 1.1rem;
    opacity: 0.85;
}

/* Main Layout */
main 
{
    max-width: 1000px;
    margin: 50px auto;
    padding: 0 20px;
}

/* Sections */
section 
{
    background: white;
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

section:hover 
{
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.08);
}

h2 
{
    margin-bottom: 15px;
    color: #1e1e2f;
    border-bottom: 2px solid #f2f4f8;
    padding-bottom: 8px;
}

/* Lists */
ul 
{
    padding-left: 20px;
}

li 
{
    margin-bottom: 8px;
}

/* Buttons */
.button 
{
    display: inline-block;
    padding: 10px 18px;
    background: #4f46e5;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    margin-top: 12px;
    margin-right: 10px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.button:hover 
{
    background: #4338ca;
    transform: translateY(-2px);
}

/* Video Containers */
.video-container 
{
    position: relative;
    padding-bottom: 56.25%; /* 16:9 ratio */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    margin-top: 15px;
}

.video-container iframe 
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Links */
a 
{
    color: #4f46e5;
}

a:hover 
{
    text-decoration: underline;
}

/* Footer */
footer 
{
    background: #1e1e2f;
    color: white;
    text-align: center;
    padding: 25px 20px;
    margin-top: 50px;
    font-size: 0.9rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) 
{

    header h1 
    {
        font-size: 2rem;
    }

    nav a 
    {
        display: inline-block;
        margin: 8px;
    }

    section 
    {
        padding: 20px;
    }

}