/* Base Styles for Readability and Responsiveness */
body {
font-family: ‘Vazirmatn’, sans-serif; /* A clear and modern Persian font */
line-height: 1.8;
color: #333333;
margin: 0;
padding: 0;
direction: rtl; /* Right-to-left for Persian */
text-align: justify;
background-color: #F0F4F8; /* Light background for a clean look */
}

.container {
max-width: 1000px;
margin: 0 auto;
padding: 20px;
background-color: #ffffff; /* White content area */
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
border-radius: 8px;
margin-top: 30px;
margin-bottom: 30px;
}

/* Heading Styles */
h1 {
font-size: 2.5em; /* Larger for H1 */
font-weight: bold;
color: #0A2E36; /* Dark blue-green for primary heading */
text-align: center;
margin-bottom: 30px;
line-height: 1.3;
padding-bottom: 15px;
border-bottom: 3px solid #1C5D99; /* Stronger border for H1 */
}

h2 {
font-size: 1.8em; /* Medium-large for H2 */
font-weight: bold;
color: #1C5D99; /* Medium blue for secondary headings */
margin-top: 40px;
margin-bottom: 20px;
border-bottom: 2px solid #D1D8E0; /* Subtle border for H2 */
padding-bottom: 10px;
}

h3 {
font-size: 1.4em; /* Slightly smaller for H3 */
font-weight: bold;
color: #3F7CAC; /* Lighter blue for tertiary headings */
margin-top: 30px;
margin-bottom: 15px;
padding-right: 10px;
border-right: 4px solid #3F7CAC; /* Accent border for H3 */
}

/* Paragraph and List Styles */
p {
margin-bottom: 1em;
font-size: 1.05em;
text-align: justify;
}

ul {
list-style-type: none; /* Remove default bullet */
padding: 0;
margin: 1em 0;
}

ul li {
margin-bottom: 0.8em;
padding-right: 25px;
position: relative;
font-size: 1.05em;
}

ul li::before {
content: ‘•’; /* Custom bullet point */
color: #3F7CAC; /* Accent color */
font-weight: bold;
display: inline-block;
width: 1em;
margin-right: -1em;
position: absolute;
right: 0;
}

ol {
margin: 1em 0;
padding-right: 20px;
}

ol li {
margin-bottom: 0.8em;
font-size: 1.05em;
}

/* Table Styles */
table {
width: 100%;
border-collapse: collapse;
margin: 30px 0;
font-family: ‘Vazirmatn’, sans-serif;
font-size: 1em;
background-color: #f8f8f8;
border-radius: 8px;
overflow: hidden; /* Ensures rounded corners apply to content */
}

th, td {
border: 1px solid #D1D8E0; /* Light border for cells */
padding: 12px 15px;
text-align: right;
}

th {
background-color: #1C5D99; /* Header background color */
color: white;
font-weight: bold;
font-size: 1.1em;
text-align: center;
}

tr:nth-child(even) {
background-color: #F0F4F8; /* Zebra striping for rows */
}

/* Infographic-like Sections */
.infographic-block {
display: flex;
flex-wrap: wrap; /* Allows items to wrap on smaller screens */
gap: 20px;
margin: 40px 0;
justify-content: center;
text-align: center;
}

.infographic-item {
flex: 1 1 calc(33% – 40px); /* 3 items per row on large screens */
min-width: 280px; /* Minimum width for items */
background-color: #E6EEF6; /* Light background for items */
padding: 25px;
border-radius: 12px;
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
transition: transform 0.3s ease, box-shadow 0.3s ease;
border-top: 5px solid #3F7CAC; /* Accent top border */
}

.infographic-item:hover {
transform: translateY(-5px);
box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.infographic-item strong {
display: block;
font-size: 1.25em;
color: #0A2E36;
margin-bottom: 10px;
font-weight: bold;
}

.infographic-item p {
font-size: 1em;
color: #555555;
line-height: 1.6;
text-align: center;
}

.infographic-item .icon {
font-size: 2.5em;
color: #1C5D99;
margin-bottom: 15px;
display: block;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
h1 {
font-size: 2em;
}
h2 {
font-size: 1.5em;
}
h3 {
font-size: 1.2em;
}
.container {
padding: 15px;
margin-top: 15px;
margin-bottom: 15px;
}
.infographic-item {
flex: 1 1 100%; /* Stack items on small screens */
min-width: unset; /* Remove min-width restriction */
}
table, th, td {
font-size: 0.9em;
padding: 8px 10px;
}
}

@media (max-width: 480px) {
h1 {
font-size: 1.8em;
}
h2 {
font-size: 1.3em;
}
h3 {
font-size: 1.1em;
}
p, ul li, ol li {
font-size: 0.95em;
}
.infographic-item strong {
font-size: 1.1em;
}
.infographic-item .icon {
font-size: 2em;
}
}

/* Specific styles for “مراحل کلیدی تحلیل داده” to act as a visual guide */
.workflow-step {
background-color: #F8FCFF; /* Very light blue background */
border-radius: 10px;
padding: 20px 25px;
margin-bottom: 20px;
box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
border-right: 6px solid #1C5D99; /* Stronger accent for steps */
}
.workflow-step strong {
color: #0A2E36;
font-size: 1.3em;
display: block;
margin-bottom: 10px;
text-align: right;
}
.workflow-step p {
margin-bottom: 0.5em;
text-align: justify;
}
.workflow-step ul {
margin-top: 10px;
padding-right: 15px;
}
.workflow-step ul li::before {
content: ‘✓’; /* Checkmark for sub-points */
color: #3F7CAC;
}