/* Global Styles for Readability and Responsiveness */
body {
font-family: ‘B Nazanin’, ‘Iranian Sans’, ‘Arial’, sans-serif;
line-height: 1.8;
color: #333;
margin: 0;
padding: 0;
box-sizing: border-box;
background-color: #f9f9f9;
direction: rtl; /* For Persian content */
text-align: right;
}

.container {
max-width: 1000px;
margin: 20px auto;
padding: 20px;
background-color: #ffffff;
border-radius: 12px;
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

/* Headings Styling */
h1 {
font-size: 2.8em;
font-weight: 800;
color: #004d40; /* Dark Teal */
text-align: center;
margin-bottom: 40px;
padding-bottom: 15px;
border-bottom: 3px solid #e0f2f1;
line-height: 1.3;
}

h2 {
font-size: 2.2em;
font-weight: 700;
color: #00695c; /* Medium Teal */
margin-top: 50px;
margin-bottom: 25px;
padding: 10px 0;
border-bottom: 2px solid #e0f2f1;
line-height: 1.4;
}

h3 {
font-size: 1.8em;
font-weight: 600;
color: #00897b; /* Light Teal */
margin-top: 40px;
margin-bottom: 20px;
line-height: 1.5;
}

p {
margin-bottom: 1.5em;
text-align: justify;
}

ul, ol {
margin-bottom: 1.5em;
padding-right: 20px;
}

li {
margin-bottom: 0.8em;
text-align: justify;
}

a {
color: #00796b; /* Accent Teal */
text-decoration: none;
transition: color 0.3s ease;
}

a:hover {
color: #004d40;
text-decoration: underline;
}

/* Table of Contents Styling */
.toc {
background-color: #e0f2f1; /* Very Light Teal */
padding: 25px;
border-radius: 8px;
margin-bottom: 40px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.toc h2 {
color: #004d40;
text-align: right;
border-bottom: 1px solid #b2dfdb;
padding-bottom: 10px;
margin-top: 0;
margin-bottom: 20px;
font-size: 1.8em;
}

.toc ul {
list-style: none;
padding: 0;
margin: 0;
}

.toc ul li {
margin-bottom: 12px;
line-height: 1.6;
}

.toc ul li a {
color: #00695c;
font-weight: 500;
display: block;
padding: 8px 15px;
border-radius: 6px;
transition: background-color 0.3s ease, color 0.3s ease;
}

.toc ul li a:hover {
background-color: #b2dfdb; /* Lightest Teal */
color: #004d40;
text-decoration: none;
}

/* Table Styling */
table {
width: 100%;
border-collapse: collapse;
margin: 30px 0;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
border-radius: 8px;
overflow: hidden;
}

th, td {
border: 1px solid #e0f2f1;
padding: 15px;
text-align: right;
}

th {
background-color: #00897b; /* Light Teal */
color: #ffffff;
font-weight: 600;
font-size: 1.1em;
}

tr:nth-child(even) {
background-color: #f5fcfc; /* Very light background for even rows */
}

/* Infographic Substitute Styling */
.infographic-section {
margin: 50px 0;
padding: 40px;
background: linear-gradient(135deg, #e0f2f1, #b2dfdb); /* Gradient background */
border-radius: 12px;
box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
text-align: center;
overflow: hidden;
}

.infographic-section h2 {
color: #004d40;
font-size: 2.5em;
margin-bottom: 30px;
border-bottom: none;
padding-bottom: 0;
}

.infographic-grid {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 30px;
margin-top: 30px;
}

.infographic-item {
background-color: #ffffff;
border: 1px solid #b2dfdb;
border-radius: 10px;
padding: 25px;
flex: 1 1 calc(33% – 40px); /* Adjust for 3 columns on larger screens */
min-width: 280px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
transition: transform 0.3s ease, box-shadow 0.3s ease;
text-align: center;
}

.infographic-item:hover {
transform: translateY(-8px);
box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.infographic-item .icon {
font-size: 3.5em;
color: #00897b; /* Light Teal */
margin-bottom: 15px;
display: block;
text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.infographic-item h3 {
font-size: 1.6em;
color: #005650;
margin-top: 0;
margin-bottom: 10px;
font-weight: 700;
}

.infographic-item p {
font-size: 1em;
color: #555;
line-height: 1.6;
text-align: center;
}

/* Responsive adjustments */
@media (max-width: 768px) {
.container {
margin: 10px;
padding: 15px;
}
h1 {
font-size: 2em;
margin-bottom: 25px;
}
h2 {
font-size: 1.7em;
margin-top: 35px;
margin-bottom: 18px;
}
h3 {
font-size: 1.4em;
margin-top: 25px;
margin-bottom: 15px;
}
.toc {
padding: 18px;
margin-bottom: 30px;
}
.toc h2 {
font-size: 1.5em;
}
.toc ul li a {
padding: 6px 10px;
}
th, td {
padding: 10px;
font-size: 0.9em;
}
.infographic-section {
padding: 25px;
margin: 30px 0;
}
.infographic-section h2 {
font-size: 2em;
margin-bottom: 20px;
}
.infographic-grid {
flex-direction: column;
gap: 20px;
}
.infographic-item {
flex: 1 1 100%; /* Stack items on small screens */
padding: 20px;
min-width: unset;
}
.infographic-item .icon {
font-size: 3em;
}
.infographic-item h3 {
font-size: 1.4em;
}
}

@media (max-width: 480px) {
h1 {
font-size: 1.8em;
margin-bottom: 20px;
}
h2 {
font-size: 1.5em;
margin-top: 30px;
margin-bottom: 15px;
}
h3 {
font-size: 1.2em;
margin-top: 20px;
margin-bottom: 12px;
}
.toc h2 {
font-size: 1.3em;
}
.infographic-section h2 {
font-size: 1.8em;
}
.infographic-item .icon {
font-size: 2.8em;
}
.infographic-item h3 {
font-size: 1.2em;
}
}

/* Ensure icons display correctly – assuming FontAwesome or similar is loaded, otherwise use emojis/text */
.icon::before {
font-family: ‘Font Awesome 5 Free’; /* Placeholder, if FA is loaded on target site */
font-weight: 900;
}
.icon.lightbulb::before { content: “f0eb”; } /* Lightbulb */
.icon.chart-line::before { content: “f201”; } /* Chart Line */
.icon.search::before { content: “f002”; } /* Search */
.icon.book::before { content: “f02d”; } /* Book */
.icon.seedling::before { content: “f4d8”; } /* Seedling */
.icon.laptop-code::before { content: “f5fc”; } /* Laptop Code */
.icon.university::before { content: “f19c”; } /* University */
.icon.globe::before { content: “f0ac”; } /* Globe */
.icon.users::before { content: “f0c0”; } /* Users */