/* Vazirmatn Font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;700;800&display=swap');

:root {
    /* Light theme variables */
    --primary-bg: #ffffff;
    --secondary-bg: #f8f9fa;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --accent-color: #3498db;
    --accent-hover: #2980b9;
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.8);
    --blur-effect: blur(15px);
    --footer-bg: #2c3e50;
    --focus-outline: 2px solid var(--accent-color);
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    --primary-bg: #1a202c;
    --secondary-bg: #2d3748;
    --text-primary: #edf2f7;
    --text-secondary: #cbd5e0;
    --accent-color: #4ecdc4;
    --accent-hover: #3abab1;
    --card-bg: rgba(45, 55, 72, 0.9);
    --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(45, 55, 72, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --footer-bg: #1a202c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color var(--transition-speed), color var(--transition-speed), border-color var(--transition-speed);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--primary-bg);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    padding-top: 80px;
    font-family: 'Vazirmatn', sans-serif;
    color: var(--text-primary);
    direction: rtl;
    transition: background-color var(--transition-speed);
}

/* Particle Background */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

/* --- Header --- */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 4%;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-effect);
    -webkit-backdrop-filter: var(--blur-effect);
    border-bottom: var(--glass-border);
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 22px;
    color: var(--accent-color);
}

.logo i {
    font-size: 26px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
    white-space: nowrap;
}

.nav-button:hover, .nav-button:focus {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(52, 152, 219, 0.4);
    outline: none;
}

.nav-button:focus-visible {
    outline: var(--focus-outline);
}

.nav-left a {
    text-decoration: none;
}

.nav-left .icon {
    font-size: 26px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 8px;
    border-radius: 50%;
}

.nav-left .icon:hover, .nav-left .icon:focus {
    color: var(--accent-color);
    transform: scale(1.1);
    background-color: rgba(52, 152, 219, 0.1);
}

.menu-icon {
    font-size: 26px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s;
    padding: 8px;
    border-radius: 50%;
}

.menu-icon:hover {
    color: var(--accent-color);
    background-color: rgba(52, 152, 219, 0.1);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 22px;
    color: var(--text-secondary);
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    color: var(--accent-color);
    background-color: rgba(52, 152, 219, 0.1);
    transform: rotate(30deg);
}

/* --- Mobile Navigation Menu --- */
.mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 300px;
    height: 100%;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-effect);
    -webkit-backdrop-filter: var(--blur-effect);
    z-index: 1001;
    transition: left 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    padding: 25px;
    display: flex;
    flex-direction: column;
    box-shadow: 5px 0 25px rgba(0,0,0,0.1);
}

.mobile-nav.is-open {
    left: 0;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.mobile-nav-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
}

.close-menu-btn {
    font-size: 28px;
    cursor: pointer;
    color: var(--text-primary);
    transition: transform 0.3s;
    padding: 5px;
}

.close-menu-btn:hover {
    transform: rotate(90deg);
    color: var(--accent-color);
}

.mobile-nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-links li {
    margin-bottom: 10px;
}

.mobile-nav-links li a {
    display: block;
    padding: 15px 10px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-primary);
    border-radius: 10px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
}

.mobile-nav-links li a:hover, .mobile-nav-links li a:focus {
    background-color: rgba(52, 152, 219, 0.15);
    color: var(--accent-color);
    transform: translateX(-5px);
    outline: none;
}

.mobile-nav-links li a:focus-visible {
    outline: var(--focus-outline);
}

.mobile-nav-links li a i {
    margin-left: 15px;
    width: 25px;
    font-size: 20px;
}

/* Overlay for mobile menu */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* --- Hero Section --- */
.hero-section {
    min-height: 60vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://s34.picofile.com/file/8486802892/Untitled3_20250906132803_1_.png');
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    padding: 0 20px;
    position: relative;
    overflow: hidden;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--primary-bg), transparent);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
    font-weight: 800;
    margin: 0 0 15px 0;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
    max-width: 600px;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease-out 0.2s forwards;
    opacity: 0;
}

.hero-button {
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    padding: 15px 35px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out 0.4s forwards;
    opacity: 0;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

.hero-button:hover, .hero-button:focus {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
    outline: none;
}

.hero-button:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Main Content Layout Container --- */
.page-content-wrapper {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-box {
    background: var(--card-bg);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    padding: 35px;
    margin-bottom: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    position: relative;
}

.content-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--accent-color), #4ecdc4);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.content-box:hover::before {
    transform: scaleX(1);
}

.featured-article-box {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.featured-article-link {
    text-decoration: none;
    color: inherit;
    display: block;
    border-radius: 20px;
}

.featured-article-link:hover .featured-article-box,
.featured-article-link:focus .featured-article-box {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.featured-article-link:focus-visible {
    outline: var(--focus-outline);
}

.featured-article {
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    gap: 30px;
}

.featured-image {
    flex-shrink: 0;
    flex-basis: 35%;
    height: 250px;
    background: linear-gradient(45deg, #3498db, #2ecc71);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 80px;
    font-weight: bold;
    overflow: hidden;
    position: relative;
}

.featured-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1439066615861-d1af74d74000?ixlib=rb-1.2.1&auto=format&fit=crop&w=500&q=60') center/cover;
    opacity: 0.8;
}

.featured-image i {
    position: relative;
    z-index: 2;
}

.featured-text {
    flex-basis: 65%;
}

.featured-text h3 {
    font-size: 36px;
    font-weight: 800;
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.featured-text p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.box-title {
    text-align: center;
    font-size: 32px;
    font-weight: 800;
    margin-top: 0;
    margin-bottom: 40px;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.box-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--accent-color), #4ecdc4);
    border-radius: 2px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.article-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--accent-color), #4ecdc4);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.article-card:hover::before {
    transform: scaleX(1);
}

.article-card:hover, .article-card:focus-within {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
}

.article-card a {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.article-card a:focus-visible {
    outline: var(--focus-outline);
    border-radius: 20px;
}

.article-card .card-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    color: var(--text-primary);
}

.article-card .card-title i {
    margin-left: 8px;
    color: var(--accent-color);
}

.article-card .card-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    right: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to left, var(--accent-color), #4ecdc4);
    border-radius: 2px;
    transition: width 0.3s ease, right 0.3s ease;
}

.article-card:hover .card-title::after {
    width: 50%;
    right: 25%;
}

.article-card .card-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Footer --- */
.site-footer {
    background-color: var(--footer-bg);
    color: #ccc;
    padding: 50px 0 0 0;
    margin-top: 60px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-column h4 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 0;
    width: 40px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-column p, .footer-column ul {
    font-size: 15px;
    line-height: 2;
    padding-right: 0;
    list-style: none;
}

.footer-column ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
    padding: 2px;
    display: inline-block;
}

.footer-column ul li a:hover, .footer-column ul li a:focus {
    color: #fff;
    outline: none;
    transform: translateX(-5px);
}

.footer-column ul li a:focus-visible {
    outline: 1px solid var(--accent-color);
    border-radius: 4px;
}

.footer-column .contact-info i {
    margin-left: 10px;
    color: var(--accent-color);
}

.social-icons {
    display: flex;
    align-items: center;
    gap: 15px;
}

.social-icons a {
    color: #fff;
    font-size: 22px;
    transition: transform 0.3s, color 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
}

.social-icons a:hover, .social-icons a:focus {
    transform: scale(1.2);
    color: var(--accent-color);
    outline: none;
    background-color: rgba(255, 255, 255, 0.2);
}

.social-icons a:focus-visible {
    outline: var(--focus-outline);
    border-radius: 50%;
}

.social-icons .social-icon-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    vertical-align: middle;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    padding: 20px 0;
    font-size: 14px;
    color: #aaa;
}

/* --- Floating Support Button --- */
.fab-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
}

.support-fab {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color), #4ecdc4);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 28px;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1000;
    border: none;
}

.support-fab:hover {
    transform: scale(1.1);
}

.support-fab:focus-visible {
    outline: var(--focus-outline);
}

.support-fab .icon-close {
    transition: transform 0.3s, opacity 0.3s;
    position: absolute;
}

.support-fab .icon-close {
    transform: rotate(-45deg);
    opacity: 0;
}

.fab-container.is-active .support-fab {
    transform: rotate(45deg);
    background: linear-gradient(135deg, var(--accent-hover), #3abab1);
}

.fab-container.is-active .support-fab:hover {
    transform: rotate(45deg) scale(1.1);
}

.fab-container.is-active .icon-close {
    transform: rotate(0);
    opacity: 1;
}

.support-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
    list-style: none;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.fab-container.is-active .support-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.support-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--glass-bg);
    border: var(--glass-border);
    border-radius: 25px;
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    white-space: nowrap;
    backdrop-filter: var(--blur-effect);
}

.support-option:hover, .support-option:focus {
    background-color: var(--accent-color);
    color: white;
    transform: scale(1.05);
    outline: none;
}

.support-option:focus-visible {
    outline: var(--focus-outline);
}

.support-option i {
    color: var(--accent-color);
}

.support-option:hover i, .support-option:focus i {
    color: white;
}

/* --- Mobile Navigation Bar (Bottom Navigation) --- */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-effect);
    -webkit-backdrop-filter: var(--blur-effect);
    border-top: var(--glass-border);
    z-index: 999;
    padding: 10px 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.mobile-nav-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 12px;
    transition: all 0.3s ease;
    padding: 5px 10px;
    border-radius: 10px;
}

.mobile-nav-item:hover, .mobile-nav-item:focus {
    background-color: rgba(52, 152, 219, 0.15);
    color: var(--accent-color);
    outline: none;
}

.mobile-nav-item:focus-visible {
    outline: var(--focus-outline);
}

.mobile-nav-item i {
    font-size: 20px;
    margin-bottom: 4px;
}

.mobile-nav-item.active {
    color: var(--accent-color);
}

/* --- Responsive adjustments --- */
@media (max-width: 1200px) {
    .page-content-wrapper { max-width: 1000px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-text h3 { font-size: 30px; }
    .featured-text p { font-size: 16px; }
    .featured-image { font-size: 60px; }
    .footer-grid { gap: 20px; }
}

@media (max-width: 768px) {
    .nav-left .nav-button { display: none; }
    .mobile-bottom-nav { display: block; }

    .articles-grid { grid-template-columns: 1fr; }
    .hero-section { min-height: 50vh; }
    .featured-article { flex-direction: column; text-align: center; }
    .featured-image { width: 100%; flex-basis: auto; height: 200px; margin-bottom: 20px; }
    .featured-text { flex-basis: auto; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-column h4::after { right: 50%; transform: translateX(50%); }
    .social-icons { justify-content: center; }
    .mobile-nav { width: 280px; }
    .content-box { padding: 25px; }
    .hero-title { font-size: 2.5rem; }
    .hero-button { padding: 12px 30px; font-size: 16px; }

    .top-header {
        padding: 12px 15px;
    }

    .featured-text h3 {
        font-size: 24px;
    }

    .content-box {
        padding: 20px 15px;
    }

    .footer-container {
        padding: 0 15px;
    }

    .fab-container {
        bottom: 70px;
        right: 20px;
    }

    .support-fab {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }

    .support-option {
        padding: 10px 15px;
        font-size: 14px;
    }

    .page-content-wrapper {
        margin: 30px auto;
    }

    .hero-section {
        min-height: 40vh;
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .logo span {
        display: none;
    }
}

@media (max-width: 576px) {
    .top-header { padding: 12px 15px; }
    .page-content-wrapper { margin: 30px auto; padding: 0 15px; }
    .content-box { padding: 20px 15px; }
    .featured-text h3 { font-size: 22px; }
    .box-title { font-size: 26px; margin-bottom: 30px; }
    .featured-image { height: 180px; font-size: 50px; }
    .footer-container { padding: 0 15px; }
    .fab-container { bottom: 70px; right: 20px; }
    .support-fab { width: 50px; height: 50px; font-size: 24px; }
    .support-option { padding: 10px 15px; font-size: 14px; }
    .hero-section { min-height: 35vh; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }

    .mobile-nav-item {
        font-size: 11px;
        padding: 5px 8px;
    }

    .mobile-nav-item i {
        font-size: 18px;
    }

    .featured-text {
        text-align: center;
    }

    .footer-column {
        margin-bottom: 25px;
    }

    .featured-article-box {
        margin-bottom: 20px;
    }

    .nav-left .icon {
        font-size: 22px;
        padding: 6px;
    }

    .menu-icon {
        font-size: 22px;
        padding: 6px;
    }
}

@media (max-width: 400px) {
    .mobile-nav { width: 85%; }
    .mobile-nav-links li a { font-size: 18px; padding: 12px 10px; }
    .featured-text h3 { font-size: 20px; }
    .box-title { font-size: 24px; }
    .article-card .card-title { font-size: 20px; }
    .article-card .card-text { font-size: 14px; }

    .mobile-nav-item {
        font-size: 10px;
    }

    .mobile-nav-item i {
        font-size: 16px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .content-box {
        padding: 15px 10px;
    }

    .featured-image {
        height: 150px;
        font-size: 40px;
    }

    .support-option {
        padding: 8px 12px;
        font-size: 12px;
    }
}

/* Prevent animation on resize for better performance */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Fix for mobile viewport height issues */
@media (max-height: 700px) {
    .hero-section {
        min-height: 45vh;
    }
}

.first-article .featured-image::before {
    background: url('https://s34.picofile.com/file/8486793868/1.png') center/cover !important;
    opacity: 1 !important;
}

.second-article .featured-image::before {
    background: url('https://s34.picofile.com/file/8486795126/%D8%B9%DA%A9%D8%B3_%D8%AA%D8%A7%DB%8C%D8%AA%D9%84.png') center/cover !important;
    opacity: 1 !important;
}

.third-article .featured-image::before {
    background: url('https://s34.picofile.com/file/8486795218/Copilot_20250906_021825.png') center/cover !important;
    opacity: 1 !important;
}