:root {
            --primary-color: #1a73e8;
            --secondary-color: #0d47a1;
            --accent-color: #4fc3f7;
            --light-color: #f8f9fa;
            --dark-color: #1a237e;
            --gradient-start: #1a73e8;
            --gradient-end: #0d47a1;
            --glass-bg: rgba(255, 255, 255, 0.1);
            --glass-border: rgba(255, 255, 255, 0.2);
        }
 .about-hero {
    /* background: linear-gradient(135deg, 
        rgba(26, 115, 232, 0.85) 0%, 
        rgba(13, 71, 161, 0.8) 50%,
        rgba(26, 115, 232, 0.7) 100%),
        url('https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1167&q=80'); */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path fill="rgba(255,255,255,0.05)" d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" opacity=".25" class="shape-fill"></path></svg>');
    background-size: cover;
    animation: float 6s ease-in-out infinite;
}

.about-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(transparent, rgba(255, 255, 255, 0.1));
    clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
}

.about-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.about-hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 25px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #ffffff, #e3f2fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.about-hero h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translateX(50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(45deg, var(--accent-color), #ffffff);
    border-radius: 2px;
    box-shadow: 0 2px 10px rgba(0, 229, 255, 0.5);
}

.about-hero p {
    font-size: 1.3rem;
    line-height: 1.8;
    margin: 0 auto 35px;
    max-width: 600px;
    opacity: 0.95;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    font-weight: 400;
}
/* Breadcrumb بهبود یافته */
.breadcrumb {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    border-radius: 50px;
    padding: 12px 30px;
    display: inline-flex;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.breadcrumb::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.breadcrumb:hover::before {
    transform: translateX(100%);
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.breadcrumb-item a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

.breadcrumb-item.active {
    color: var(--accent-color);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.6);
    font-weight: bold;
    margin: 0 15px;
}
.breadcrumb-item+.breadcrumb-item::before {
    float: right;
    padding-right: var(--bs-breadcrumb-item-padding-x);
}
        /* بخش اصلی */
        .faq-main {
            padding: 80px 0;
        }
        
           .section-title {
            text-align: center;
            margin-bottom: 50px;
            color: var(--secondary-color);
            font-weight: 700;
            position: relative;
        }
        
        .section-title:after {
            content: '';
            display: block;
            width: 80px;
            height: 3px;
            background: var(--accent-color);
            margin: 15px auto;
            border-radius: 2px;
        }
        
 
        
        /* دسته‌بندی‌ها */
        
        .category-filter {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }
        
        .category-btn {
            background: white;
            border: 1px solid #ddd;
            padding: 10px 25px;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 500;
            font-size: 1rem;
        }
        
        .category-btn:hover ,.category-btn.active {
           background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        
    
        /* آکاردئون FAQ */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: white;
            border-radius: 15px;
            margin-bottom: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            transform: translateY(-2px);
        }
        
        .faq-question {
            padding: 25px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: white;
        }
        
        .faq-question h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-color);
            margin: 0;
            flex: 1;
        }
        
        .faq-icon {
            width: 30px;
            height: 30px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            flex-shrink: 0;
            margin-right: 15px;
        }
        
        .faq-icon i {
            color: #fff;
            transition: transform 0.3s ease;
        }
        
        .faq-item.active .faq-icon i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            padding: 0 30px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            border-top: 1px solid transparent;
        }
        
        .faq-item.active .faq-answer {
            padding: 0 30px 25px;
            max-height: 1000px;
            border-top: 1px solid var(--border-color);
        }
        
        .faq-answer p {
            color: var(--secondary-color);
            margin-bottom: 0;
            line-height: 1.8;
        }
        
        .faq-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 15px;
        }
        
        .faq-tag {
            padding: 5px 12px;
            background: var(--accent-color);
            color: var(--primary-color);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }
        
        /* بخش تماس */
        .faq-contact {
            background: white;
            border-radius: 20px;
            padding: 40px;
            margin-top: 80px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            text-align: center;
        }
        
        .contact-icon {
            width: 80px;
            height: 80px;
            background: var(--accent-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
        }
        
        .contact-icon i {
            font-size: 2rem;
            color: var(--primary-color);
        }
        
        .contact-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        
        .contact-btn {
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 500;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s ease;
        }
        
        .contact-btn.primary {
            background: var(--primary-color);
            color: white;
        }
        
        .contact-btn.primary:hover {
            background: #1e4680;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(44, 90, 160, 0.3);
        }
        
        .contact-btn.secondary {
            background: white;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
        }
        
        .contact-btn.secondary:hover {
            background: var(--accent-color);
            transform: translateY(-3px);
        }
        
     
        
        /* انیمیشن‌ها */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .faq-item {
            animation: fadeIn 0.5s ease forwards;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .faq-hero h1 {
                font-size: 2.2rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .faq-question {
                padding: 20px;
            }
            
            .faq-question h3 {
                font-size: 1.1rem;
            }
            
            .faq-contact {
                padding: 30px 20px;
            }
            
            .contact-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .contact-btn {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            
            .back-to-top {
                bottom: 20px;
                left: 20px;
                width: 45px;
                height: 45px;
            }
        }
        
        @media (max-width: 576px) {
            .category-filter {
                flex-direction: column;
                align-items: center;
            }
            
            .category-btn {
                width: 100%;
                max-width: 300px;
            }
            
            .faq-question {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            
            .faq-icon {
                align-self: flex-start;
            }
        }