/* Base Styles for Readability and Responsiveness */
body {
font-family: ‘Tahoma’, ‘Arial’, sans-serif;
line-height: 1.7;
color: hsl(210, 20%, 30%); /* Dark blue-gray */
background-color: hsl(210, 30%, 98%); /* Very light blue-gray */
margin: 0;
padding: 0;
direction: rtl; /* Right-to-left for Persian */
text-align: right;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}

/* Main Container */
.article-container {
max-width: 900px;
margin: 30px auto;
padding: 30px;
background-color: #ffffff;
border-radius: 12px;
box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
transition: all 0.3s ease-in-out;
}

/* Headings */
h1, h2, h3 {
color: hsl(190, 70%, 35%); /* Teal/Cyan */
font-weight: 700;
margin-top: 2.5em;
margin-bottom: 0.8em;
line-height: 1.3;
}

h1 {
font-size: 2.5rem; /* Larger for H1 */
text-align: center;
padding-bottom: 15px;
border-bottom: 2px solid hsl(190, 70%, 90%);
color: hsl(190, 70%, 30%);
margin-top: 0; /* No margin-top for the very first H1 */
}

h2 {
font-size: 2.0rem;
padding-bottom: 10px;
border-bottom: 1px solid hsl(210, 15%, 85%); /* Light gray */
}

h3 {
font-size: 1.5rem;
color: hsl(210, 20%, 40%); /* Slightly darker than body text */
margin-top: 2em;
margin-bottom: 0.7em;
}

/* Paragraphs */
p {
margin-bottom: 1.5em;
font-size: 1.1rem;
text-align: justify;
}

/* Lists */
ul {
list-style-type: square;
margin-right: 25px;
margin-bottom: 1.5em;
}
li {
margin-bottom: 0.8em;
font-size: 1.05rem;
}

/* Table Styles */
table {
width: 100%;
border-collapse: collapse;
margin: 2em 0;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
border-radius: 8px;
overflow: hidden; /* Ensures border-radius applies to table content */
}
th, td {
padding: 15px;
border: 1px solid hsl(210, 15%, 90%);
text-align: right;
font-size: 1.05rem;
}
th {
background-color: hsl(190, 70%, 90%); /* Very light teal */
color: hsl(190, 70%, 25%);
font-weight: 700;
font-size: 1.1rem;
}
tr:nth-child(even) {
background-color: hsl(210, 5%, 98%); /* Slightly different background for even rows */
}

/* Infographic (Simulated) */
.infographic-block {
background-color: hsl(190, 70%, 95%); /* Lighter teal background */
border: 2px solid hsl(190, 70%, 80%);
border-radius: 10px;
padding: 25px;
margin: 3em 0;
box-shadow: 0 5px 18px rgba(0, 0, 0, 0.07);
}
.infographic-block h3 {
color: hsl(190, 70%, 30%);
text-align: center;
margin-top: 0;
margin-bottom: 1.5em;
font-size: 1.8rem;
padding-bottom: 10px;
border-bottom: 1px dashed hsl(190, 70%, 80%);
}
.infographic-step {
display: flex;
align-items: flex-start;
margin-bottom: 25px;
background-color: #ffffff;
padding: 15px 20px;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
border-left: 5px solid hsl(190, 70%, 50%); /* Accent color */
transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}
.infographic-step:hover {
transform: translateY(-3px);
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}
.infographic-step-icon {
font-size: 2.2rem;
margin-left: 15px;
color: hsl(190, 70%, 40%);
flex-shrink: 0; /* Prevent icon from shrinking */
}
.infographic-step-content {
flex-grow: 1;
}
.infographic-step-content strong {
display: block;
font-size: 1.25rem;
margin-bottom: 5px;
color: hsl(210, 20%, 25%);
}
.infographic-step-content p {
margin: 0;
font-size: 1.0rem;
line-height: 1.5;
color: hsl(210, 20%, 35%);
}

/* Table of Contents */
.toc {
background-color: hsl(210, 30%, 96%);
border: 1px solid hsl(210, 15%, 90%);
border-radius: 8px;
padding: 20px;
margin: 2em 0;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.toc h4 {
margin-top: 0;
font-size: 1.4rem;
color: hsl(190, 70%, 35%);
border-bottom: 1px solid hsl(210, 15%, 85%);
padding-bottom: 10px;
margin-bottom: 15px;
}
.toc ul {
list-style-type: none;
margin: 0;
padding: 0;
}
.toc li {
margin-bottom: 8px;
}
.toc a {
text-decoration: none;
color: hsl(210, 20%, 30%);
font-size: 1.05rem;
transition: color 0.2s ease;
}
.toc a:hover {
color: hsl(190, 70%, 40%);
}

/* General Link Styling */
a {
color: hsl(190, 70%, 45%);
text-decoration: none;
transition: color 0.2s ease-in-out;
}
a:hover {
color: hsl(190, 70%, 30%);
text-decoration: underline;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
.article-container {
margin: 15px auto;
padding: 20px;
}
h1 {
font-size: 2rem;
}
h2 {
font-size: 1.7rem;
}
h3 {
font-size: 1.3rem;
}
p, li, th, td {
font-size: 1rem;
}
.infographic-step-icon {
font-size: 1.8rem;
margin-left: 10px;
}
.infographic-step-content strong {
font-size: 1.1rem;
}
.infographic-step-content p {
font-size: 0.95rem;
}
.infographic-block h3 {
font-size: 1.5rem;
}
table {
display: block;
overflow-x: auto; /* Enable horizontal scrolling for tables */
white-space: nowrap; /* Prevent cell content from wrapping too much */
}
th, td {
min-width: 150px; /* Ensure columns have a minimum width for readability */
}
}

@media (max-width: 480px) {
.article-container {
padding: 15px;
margin: 10px auto;
}
h1 {
font-size: 1.7rem;
}
h2 {
font-size: 1.4rem;
}
h3 {
font-size: 1.1rem;
}
p, li, th, td {
font-size: 0.95rem;
}
.infographic-step {
flex-direction: column; /* Stack icon and text vertically */
align-items: center;
text-align: center;
}
.infographic-step-icon {
margin-bottom: 10px;
margin-left: 0;
}
.infographic-step-content strong {
font-size: 1.05rem;
}
.infographic-block h3 {
font-size: 1.3rem;
}
.toc h4 {
font-size: 1.2rem;
}
}