“`html

/* Global Styles for Readability and Responsiveness */
/* Fonts and Basic Text */
body, html {
margin: 0;
padding: 0;
font-family: ‘Segoe UI’, Tahoma, Geneva, Verdana, sans-serif; /* Modern, clean font */
line-height: 1.7;
color: #333333; /* Dark gray for main text */
background-color: #f8f8f8; /* Light off-white background */
}

/* Main Content Container */
.article-container {
max-width: 900px; /* Optimal width for reading on desktop */
margin: 30px auto; /* Center the container, add vertical spacing */
padding: 25px 30px;
background-color: #ffffff; /* White background for the content block */
border-radius: 12px; /* Soft rounded corners for a modern look */
box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08); /* Subtle shadow for depth */
box-sizing: border-box; /* Include padding in element’s total width */
direction: rtl; /* Right-to-left for Persian text */
text-align: right; /* Default text alignment */
}

/* Headings Styling */
h1, h2, h3 {
font-weight: 700; /* Bold headings */
color: #2C3E50; /* Deep blue/charcoal for strong emphasis */
line-height: 1.3;
margin-top: 2em; /* Spacing above headings */
margin-bottom: 0.8em; /* Spacing below headings */
text-align: right;
}

h1 {
font-size: 2.8em; /* Very large for the main title */
color: #1A2E44; /* Even darker blue for the H1 */
text-align: center; /* Center align main title */
margin-top: 0.5em;
margin-bottom: 0.7em;
padding-bottom: 0.3em;
border-bottom: 3px solid #3498DB; /* Strong blue line under H1 */
display: inline-block; /* Adjust border to text width */
width: fit-content;
max-width: 90%; /* Ensure it fits on small screens */
}

h2 {
font-size: 2.1em; /* Medium-large for H2 */
border-bottom: 2px solid #BDC3C7; /* Subtle separator line */
padding-bottom: 0.5em;
margin-top: 2.5em;
}

h3 {
font-size: 1.7em; /* Medium for H3 */
color: #34495E; /* Slightly lighter blue than H2 */
border-right: 5px solid #3498DB; /* Accent line on the right */
padding-right: 12px;
margin-top: 2em;
margin-bottom: 1em;
}

/* Paragraphs */
p {
margin-bottom: 1.2em;
text-align: justify; /* Justified text for a clean, academic look */
}

/* Lists */
ul, ol {
margin-bottom: 1.5em;
padding-right: 25px; /* Indent lists for readability */
}

ul li, ol li {
margin-bottom: 0.7em;
}

/* Table of Contents Styling */
.table-of-contents {
background-color: #f3f9fc; /* Light blue background for TOC */
border: 1px solid #d4eaf7;
border-radius: 8px;
padding: 15px 25px;
margin: 2.5em 0;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.table-of-contents h3 {
margin-top: 0;
padding-right: 0; /* Override h3 padding */
border-right: none; /* Remove h3 border */
color: #2C3E50;
font-size: 1.6em;
text-align: center; /* Center align TOC title */
border-bottom: 1px solid #d4eaf7;
padding-bottom: 10px;
margin-bottom: 15px;
}

.table-of-contents ul {
list-style: none; /* Remove default bullet points */
padding-right: 0;
margin: 0;
}

.table-of-contents ul li {
margin-bottom: 10px;
}

.table-of-contents ul li a {
color: #3498DB; /* Bright blue for links */
text-decoration: none;
font-weight: 500;
transition: color 0.3s ease; /* Smooth hover effect */
display: block; /* Make the whole list item clickable */
padding: 5px 0;
}

.table-of-contents ul li a:hover {
color: #2980B9; /* Darker blue on hover */
text-decoration: underline;
}

.table-of-contents ul li ul {
padding-right: 25px; /* Indent sub-items */
margin-top: 5px;
}

.table-of-contents ul li ul li a {
font-weight: normal;
font-size: 0.95em;
color: #555555; /* Darker gray for sub-links */
}

/* Table Styling */
.styled-table {
width: 100%;
border-collapse: collapse;
margin: 2em 0;
font-size: 0.95em;
text-align: right;
border-radius: 8px; /* Rounded corners for the table */
overflow: hidden; /* Ensures rounded corners apply to borders */
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05); /* Soft shadow */
}

.styled-table thead tr {
background-color: #3498DB; /* Header background */
color: #ffffff;
text-align: right;
}

.styled-table th,
.styled-table td {
padding: 12px 15px;
border: 1px solid #ddd; /* Light border */
vertical-align: top; /* Align content to the top */
}

.styled-table tbody tr {
border-bottom: 1px solid #eeeeee;
}

.styled-table tbody tr:nth-of-type(even) {
background-color: #f3f3f3; /* Zebra striping for readability */
}

.styled-table tbody tr:last-of-type {
border-bottom: 2px solid #3498DB; /* Accent bottom border */
}

/* Infographic-like Section (Visual Steps) */
.infographic-steps {
display: flex; /* Use flexbox for horizontal layout */
flex-wrap: wrap; /* Allow cards to wrap to the next line on smaller screens */
justify-content: center; /* Center cards horizontally */
gap: 25px; /* Space between cards */
margin: 3.5em 0;
padding: 25px;
background-color: #ECF0F1; /* Light gray background for the section */
border-radius: 12px;
box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.04); /* Subtle inner shadow */
}

.step-card {
background-color: #ffffff;
border: 1px solid #BDC3C7;
border-radius: 12px;
padding: 20px;
flex: 1 1 280px; /* Flex-grow, flex-shrink, and base width (min-width) */
max-width: 300px; /* Maximum width for a card */
text-align: center; /* Center align content within card */
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
transition: transform 0.3s ease, box-shadow 0.3s ease; /* Smooth animation on hover */
}

.step-card:hover {
transform: translateY(-8px); /* Lift effect on hover */
box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15); /* More prominent shadow on hover */
}

.step-card .icon {
font-size: 3.5em; /* Large icon size */
color: #3498DB; /* Blue color for icons */
margin-bottom: 15px;
display: block; /* Ensure icon is a block for margin */
}

.step-card h4 {
font-size: 1.4em;
color: #2C3E50;
margin-bottom: 10px;
font-weight: 600;
}

.step-card p {
font-size: 0.98em;
color: #555555;
text-align: center; /* Center align text in cards */
margin-bottom: 0;
}

/* Responsive Adjustments for smaller screens */
@media (max-width: 1024px) {
.article-container {
margin: 25px auto;
padding: 20px 25px;
}
h1 {
font-size: 2.5em;
}
h2 {
font-size: 1.9em;
}
h3 {
font-size: 1.5em;
}
}

@media (max-width: 768px) {
.article-container {
margin: 20px auto;
padding: 18px 20px;
border-radius: 10px;
}
h1 {
font-size: 2.2em;
margin-top: 0.8em;
margin-bottom: 0.8em;
}
h2 {
font-size: 1.8em;
margin-top: 2em;
}
h3 {
font-size: 1.4em;
margin-top: 1.8em;
padding-right: 10px;
}
.styled-table {
font-size: 0.9em;
display: block; /* Allows horizontal scrolling */
overflow-x: auto; /* Enable horizontal scroll for table */
white-space: nowrap; /* Prevent text wrapping in cells */
}
.styled-table th, .styled-table td {
padding: 10px 12px;
white-space: normal; /* Allow text wrapping in normal view but preserve for auto-scroll */
}
.step-card {
flex-basis: calc(50% – 20px); /* Two cards per row on medium screens */
max-width: calc(50% – 20px);
}
}

@media (max-width: 480px) {
.article-container {
margin: 10px auto;
padding: 15px;
border-radius: 0; /* No rounded corners on very small screens */
box-shadow: none; /* No shadow to save space */
}
h1 {
font-size: 1.8em;
margin-top: 0.5em;
margin-bottom: 0.6em;
padding-bottom: 0.2em;
border-bottom-width: 2px;
}
h2 {
font-size: 1.6em;
margin-top: 1.5em;
padding-bottom: 0.3em;
border-bottom-width: 1px;
}
h3 {
font-size: 1.3em;
margin-top: 1.5em;
padding-right: 8px;
border-right-width: 3px;
}
.styled-table {
width: 100%; /* Ensure full width in scrollable area */
white-space: normal; /* Allow cell content to wrap normally */
}
.styled-table th, .styled-table td {
min-width: 150px; /* Ensure cells are not too narrow */
}
.step-card {
flex-basis: 100%; /* Stack cards vertically on small screens */
max-width: 100%;
padding: 15px;
}
.infographic-steps {
padding: 15px;
gap: 15px;
}
.step-card .icon {
font-size: 3em;
}
.step-card h4 {
font-size: 1.3em;
}
.step-card p {
font-size: 0.9em;
}
.table-of-contents {
padding: 15px;
}
.table-of-contents h3 {
font-size: 1.4em;
}
}

“`