:root {
            --green: #146B3A;
            --blue: #17428F;
            --black: #2C2C2C;
            --dark-gray: #474747;
            --gray: #CACACA;
            --light-gray: #D9D9D9;
            --smoke: #F2F2F2;
            --white: #FFFFFF;
        }
        
        body {
            font-family: 'Vazirmatn', sans-serif;
            color: var(--black);
            background: var(--white);
        }
        
        /* ========== HEADER ========== */
        .navbar {
            background: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            padding: 15px 0;
        }
        
        .navbar-brand img {
            height: 40px;
        }
        
        .nav-link {
            color: var(--dark-gray) !important;
            font-weight: 500;
            margin: 0 8px;
        }
        
        .nav-link:hover, .nav-link.active {
            color: var(--green) !important;
        }
        
        /* ========== HERO SECTION ========== */
        .hero-section {
       font-family: 'Times New Roman', Times, serif;
            padding: 80px 0;
            background-image: url("image/doc.png");
        }
        
        .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .hero-text p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 30px;
        }
        
        .hero-media {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        
        .hero-media video {
            width: 100%;
            border-radius: 10px;
        }
        
        /* ========== BUTTONS ========== */
        .btn-main {
            background: var(--green);
            color: var(--white);
            padding: 12px 30px;
            border-radius: 8px;
            border: none;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s;
        }
        
        .btn-main:hover {
            background: var(--blue);
            color: var(--white);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--green);
            padding: 10px 25px;
            border-radius: 8px;
            border: 2px solid var(--green);
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s;
        }
        
        .btn-secondary:hover {
            background: var(--white);
            color: var(--green);
        }
        
        /* ========== FEATURES ========== */
        .features-section {
            padding: 80px 0;
            background: var(--smoke);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            margin-top: 50px;
        }
        
        .section-title h2 {
            color: #343434;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .feature-card {
            background: var(--white);
            border-radius: 10px;
            padding: 30px 20px;
            text-align: center;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border: 1px solid var(--light-gray);
            transition: all 0.3s;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--green);
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background: var(--green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }
        
        .feature-icon i {
            color: var(--white);
            font-size: 1.5rem;
        }
        
        .feature-card h3 {
            color: var(--black);
            font-weight: 600;
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .feature-card p {
            color: var(--dark-gray);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        /* ========== COURSES ========== */
        .courses-section {
            padding: 80px 0;
        }
        
        .course-card {
            background: var(--white);
            border-radius: 10px;
            padding: 30px;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border: 1px solid var(--light-gray);
        }
        
        .course-card i {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--green);
        }
        
        .course-card h3 {
            color: var(--black);
            font-weight: 600;
            margin-bottom: 15px;
        }
        
        .course-card p {
            color: var(--dark-gray);
            margin-bottom: 20px;
        }
        
        /* ========== CONTACT ========== */
        .contact-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
            color: var(--white);
            text-align: center;
        }
        
        .contact-section h2 {
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        .contact-section p {
            opacity: 0.9;
            margin-bottom: 30px;
        }
        
        /* ========== FOOTER ========== */
        .footer {
            background: var(--black);
            color: var(--light-gray);
            padding: 50px 0 20px;
        }
        
        .footer h5 {
            color: var(--white);
            margin-bottom: 20px;
            font-weight: 600;
        }
        
        .footer-links a {
            color: var(--gray);
            text-decoration: none;
            display: block;
            margin-bottom: 8px;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--green);
        }
        
        .social-icons {
            display: flex;
            gap: 10px;
            margin-top: 15px;
        }
        
        .social-icons a {
            color: var(--white);
            background: var(--dark-gray);
            width: 35px;
            height: 35px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .social-icons a:hover {
            background: var(--green);
            transform: translateY(-3px);
        }
        
        .copyright {
            border-top: 1px solid var(--dark-gray);
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--gray);
        }
        /* ===================== ACADEMY ARTICLE GRID ===================== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.article-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--text-dark);
    transition: transform .2s ease, box-shadow .2s ease;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,.06);
}

.article-thumb {
    height: 170px;
    background: #f4f4f4;
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-body {
    padding: 18px;
}

.article-body h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.5;
}

.article-body p {
    font-size: .9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

        /* ========== RESPONSIVE ========== */
        @media (max-width: 768px) {
            .hero-section {
                padding: 50px 0;
            }
            
            .hero-text h1 {
                font-size: 2rem;
            }
            
            .hero-media {
                margin-top: 30px;
            }
            
            .features-section,
            .courses-section,
            .contact-section {
                padding: 50px 0;
            }
        }