/*
* CSS کلی برای تمام عناصر مقاله، جهت اطمینان از نمایش صحیح و یکپارچه در ویرایشگرهای بلوک و کلاسیک.
* این بخش شامل طراحی رسپانسیو برای موبایل، تبلت، لپ‌تاپ و تلویزیون است.
* فونت ‘Vazirmatn FD’ به عنوان فونت اصلی فارسی استفاده شده است و در صورت عدم بارگذاری، از فونت‌های سیستمی جایگزین استفاده می‌شود.
*/
@import url(‘https://fonts.googleapis.com/css2?family=Vazirmatn+FD:wght@100..900&display=swap’);

/* Global styles and base typography */
body, html {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: ‘Vazirmatn FD’, ‘Segoe UI’, ‘Roboto’, ‘Helvetica Neue’, Arial, sans-serif;
line-height: 1.7;
color: hsl(200, 10%, 20%); /* Dark blue-grey for main text */
background-color: hsl(0, 0%, 98%); /* Very light grey background for the page */
direction: rtl; /* Right-to-left for Persian content */
text-align: right;
}

/* Main container for the article */
.article-container {
max-width: 900px; /* Max width for readability on large screens */
margin: 30px auto; /* Center the article, add vertical spacing */
padding: 30px;
background-color: white;
border-radius: 12px;
box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08); /* Soft shadow for depth */
box-sizing: border-box; /* Include padding in width/height */
overflow-x: hidden; /* Prevent horizontal scroll issues */
}

/* Heading 1 (Article Title) */
h1 {
font-size: clamp(2rem, 5vw, 2.8rem); /* Responsive font size */
font-weight: 800; /* Extra bold */
color: hsl(170, 50%, 30%); /* Dark teal/green-blue, representing water/nature */
margin-bottom: 30px;
text-align: center;
line-height: 1.3;
border-bottom: 3px solid hsl(170, 50%, 85%); /* Light teal border */
padding-bottom: 20px;
}

/* Heading 2 */
h2 {
font-size: clamp(1.6rem, 4vw, 2.2rem);
font-weight: 700; /* Bold */
color: hsl(170, 50%, 30%);
margin-top: 40px;
margin-bottom: 25px;
position: relative;
padding-right: 15px;
}
h2::before {
content: “•”; /* Decorative bullet point */
color: hsl(40, 90%, 60%); /* Soft orange/gold accent */
position: absolute;
right: 0;
top: 0;
font-size: 1.2em;
line-height: 1;
}

/* Heading 3 */
h3 {
font-size: clamp(1.3rem, 3.5vw, 1.8rem);
font-weight: 600; /* Semi-bold */
color: hsl(200, 10%, 30%);
margin-top: 35px;
margin-bottom: 18px;
border-right: 4px solid hsl(40, 90%, 60%); /* Orange accent border */
padding-right: 10px;
border-radius: 4px;
}

/* Paragraphs */
p {
margin-bottom: 1em;
line-height: 1.8;
}

/* Links */
a {
color: hsl(170, 60%, 40%); /* Slightly lighter teal for links */
text-decoration: none;
transition: color 0.3s ease; /* Smooth transition on hover */
}
a:hover {
color: hsl(170, 60%, 25%);
text-decoration: underline;
}

/* Lists (Unordered and Ordered) */
ul, ol {
margin-bottom: 1em;
padding-right: 20px;
}
ul li {
margin-bottom: 0.5em;
position: relative;
padding-right: 25px;
}
ul li::before {
content: “✓”; /* Checkmark icon for list items */
color: hsl(170, 50%, 45%); /* Teal color for checkmark */
position: absolute;
right: 0;
top: 0;
font-weight: bold;
}

/* Table Styling */
.styled-table {
width: 100%;
border-collapse: collapse;
margin: 30px 0;
font-size: 0.95em;
text-align: right;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); /* Soft shadow */
border-radius: 8px;
overflow: hidden; /* Ensures rounded corners apply to content */
}

.styled-table th, .styled-table td {
padding: 14px 18px;
border: 1px solid hsl(200, 10%, 90%); /* Light grey border */
}

.styled-table thead tr {
background-color: hsl(170, 50%, 35%); /* Darker teal for table header */
color: white;
text-align: center;
}

.styled-table tbody tr {
border-bottom: 1px solid hsl(200, 10%, 95%);
}

.styled-table tbody tr:nth-of-type(even) {
background-color: hsl(0, 0%, 98%); /* Lighter background for even rows */
}

.styled-table tbody tr:last-of-type {
border-bottom: 2px solid hsl(170, 50%, 35%); /* Stronger border at the bottom */
}

/* Table Responsiveness for Small Screens */
@media (max-width: 600px) {
.styled-table {
border: 0;
}
.styled-table thead {
display: none; /* Hide table header on small screens */
}
.styled-table tr {
display: block;
margin-bottom: 10px;
border: 1px solid hsl(200, 10%, 90%);
border-radius: 8px;
box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
}
.styled-table td {
display: block;
text-align: right;
padding-left: 50%; /* Make space for generated labels */
position: relative;
border: none;
border-bottom: 1px solid hsl(200, 10%, 95%);
}
.styled-table td::before {
content: attr(data-label); /* Use data-label for content (e.g., “رویکرد پژوهشی”) */
position: absolute;
right: 15px;
width: 45%;
padding-left: 10px;
font-weight: bold;
color: hsl(170, 50%, 40%); /* Teal color for labels */
text-align: right;
}
.styled-table td:last-child {
border-bottom: 0;
}
}

/* Table of Contents Styling */
.table-of-contents {
background-color: hsl(200, 10%, 97%); /* Light background */
border: 1px solid hsl(200, 10%, 90%);
border-radius: 8px;
padding: 20px 25px;
margin: 30px 0;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.table-of-contents h3 {
color: hsl(170, 50%, 30%);
font-weight: 700;
margin-top: 0;
margin-bottom: 15px;
border-right: none; /* Override h3 default border */
padding-right: 0;
text-align: center;
}
.table-of-contents ul {
list-style: none; /* Remove default list style */
padding-right: 0;
margin: 0;
}
.table-of-contents ul li {
margin-bottom: 8px;
padding-right: 0;
}
.table-of-contents ul li::before {
content: “»”; /* Arrow icon for TOC list items */
color: hsl(40, 90%, 60%);
right: -15px; /* Adjust position for right-to-left */
}
.table-of-contents ul li a {
font-weight: 500;
color: hsl(200, 10%, 30%);
}
.table-of-contents ul li a:hover {
color: hsl(170, 50%, 30%);
text-decoration: none;
}

/* Infographic Alternative Styling */
.infographic-section {
margin: 50px 0;
background-color: hsl(200, 10%, 97%);
padding: 30px;
border-radius: 12px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
}
.infographic-section h2 {
text-align: center;
margin-top: 0;
color: hsl(170, 50%, 25%);
}
.infographic-grid {
display: flex;
flex-wrap: wrap; /* Allow items to wrap on smaller screens */
gap: 25px; /* Space between items */
justify-content: center;
}
.infographic-item {
background-color: white;
border: 1px solid hsl(200, 10%, 90%);
border-radius: 10px;
padding: 20px;
flex: 1 1 calc(33% – 25px); /* Three items per row on large screens, accounting for gap */
min-width: 280px; /* Minimum width for stacking on smaller screens */
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
text-align: center;
transition: transform 0.3s ease, box-shadow 0.3s ease; /* Hover effects */
}
.infographic-item:hover {
transform: translateY(-5px);
box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}
.infographic-item .icon {
font-size: 2.5rem;
color: hsl(170, 50%, 40%);
margin-bottom: 15px;
display: block;
}
.infographic-item h4 {
font-size: 1.25rem;
color: hsl(200, 10%, 25%);
margin-bottom: 10px;
font-weight: 600;
}
.infographic-item p {
font-size: 0.95rem;
color: hsl(200, 10%, 35%);
line-height: 1.6;
margin-bottom: 0;
}

/* Arrows for Infographic flow */
.infographic-grid .arrow {
display: flex;
align-items: center;
justify-content: center;
font-size: 2rem;
color: hsl(40, 90%, 60%);
width: 100%; /* Take full width for stacking on small screens */
margin: 15px 0;
position: relative;
}
/* Hide horizontal arrows by default, show vertical for mobile */
.infographic-grid .arrow-h {
display: none;
}
.infographic-grid .arrow-v {
display: block;
}

/* Media Query for larger screens (e.g., Tablet, Laptop, TV) */
@media (min-width: 768px) {
.infographic-grid {
flex-direction: row; /* Horizontal layout */
align-items: stretch; /* Align items by height */
flex-wrap: nowrap; /* Prevent wrapping in this range */
}
.infographic-item {
flex: 1 1 auto; /* Allow flexible growth */
min-width: unset; /* Remove min-width for more flexibility */
}
.infographic-grid .arrow {
width: auto; /* Auto width for horizontal layout */
margin: 0 -10px; /* Adjust spacing between items */
font-size: 3rem; /* Larger arrow for wider screens */
}
/* Show horizontal arrows, hide vertical for larger screens */
.infographic-grid .arrow-h {
display: flex;
}
.infographic-grid .arrow-v {
display: none;
}
/* Adjust flex basis for proper spacing between 5 items with arrows */
.infographic-grid > *:not(.arrow) {
flex: 1 1 calc(20% – 20px); /* Roughly 5 items with gap */
}
}

/* Media Queries for overall responsiveness */
@media (max-width: 768px) {
.article-container {
margin: 20px auto;
padding: 20px;
}
h1 {
margin-bottom: 20px;
padding-bottom: 15px;
}
h2 {
margin-top: 30px;
margin-bottom: 20px;
}
h3 {
margin-top: 25px;
margin-bottom: 15px;
}
.infographic-grid {
flex-direction: column; /* Stack infographic items vertically */
}
.infographic-item {
flex: 1 1 100%; /* Full width on smaller screens */
max-width: 100%;
}
}

@media (max-width: 480px) {
.article-container {
margin: 10px auto;
padding: 15px;
border-radius: 8px;
}
h1 {
font-size: clamp(1.8rem, 6vw, 2.5rem);
margin-bottom: 15px;
}
h2 {
font-size: clamp(1.4rem, 5vw, 2rem);
margin-top: 25px;
}
h3 {
font-size: clamp(1.2rem, 4.5vw, 1.6rem);
margin-top: 20px;
}
.infographic-item {
padding: 15px;
}
.infographic-item .icon {
font-size: 2rem;
}
.infographic-item h4 {
font-size: 1.1rem;
}
.table-of-contents {
padding: 15px;
}
}

/* Styling for decorative separator lines */
.separator-line {
height: 2px;
background: linear-gradient(to right, hsl(170, 50%, 85%), white, hsl(170, 50%, 85%)); /* Gradient effect */
margin: 40px auto;
width: 80%;
border-radius: 1px;
}

“`