.site-header {
    background-color: #000000;
    color: #ffffff;
    padding: 20px 0;
    width: 100%;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: 'Montserrat', sans-serif;
}
.post-title-area{
    margin-bottom: 30px;
    font-size: 2.5rem;
    color: #333;
    margin: 0 0 10px 0;
}
.post-body {
    flex: 3;
    line-height: 1.7;
    color: #333;
    text-align: left;
}
.post-body header {
	background-color: rgba(208,207,207,1.00);
	overflow: auto;
	font-family: montserrat, sans-serif;
	font-style: normal;
	font-weight: 400;
}
/* This ensures your H1 inside that header is visible */
.post-body header h1 {
    margin: 0;
    color: #007bff; /* The blue color from your earlier CSS */
}
/* Layout Containers */
.container {
    display: flex;
    max-width: 1100px;
    margin: 40px auto;
    gap: 50px;
    padding: 0 20px;
}
.sidebar {
    flex: 1; /* Sidebar takes up 25% */
}

/* Typography & Math */
h1 { color: #000; font-size: 2.5em; }
h2 { border-bottom: 1px solid #eee; padding-bottom: 10px; margin-top: 40px; }

.equation {
    margin: 25px 0;
    font-size: 1.1em;
    overflow-x: auto; /* Scroll if equation is too wide for mobile */
}

/* TOC Box */
.toc {
    background: #f9f9f9;
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 4px;
    margin: 20px 0;
}

/* Widgets & Sidebar */
.widget {
    background: #fff;
    border: 1px solid #eee;
    padding: 20px;
    margin-bottom: 20px;
}

.widget input {
    width: 100%;
    padding: 8px;
    margin: 10px 0;
    box-sizing: border-box;
}

.widget button {
    width: 100%;
    background: #fff;
    border: 1px solid #444;
    padding: 10px;
    cursor: pointer;
}

/* Figures */
figure {
    margin: 30px 0;
    text-align: center;
}
figure img { max-width: 100%; border: 1px solid #ddd; }
figcaption { font-size: 0.9em; color: #666; margin-top: 10px; }

/* Footer */
footer {
    text-align: center;
    padding: 40px;
    border-top: 1px solid #eee;
    margin-top: 60px;
    background: #f4f4f4;
}

/* image row types for adjacent images */
.image-row-two {
    display: flex;
    gap: 10px; /* Adds space between the images */
  }
  
  .image-row-two img {
    width: 50%;  /* Makes each image take up half the width */
    height: auto;
  }