/* ============================================================
   bibhag — পেজ-নির্দিষ্ট স্টাইল
   মূল ফাইল: pages\bibhag.html
   ============================================================ */

        /* সেকশন গ্রুপ হেডিং */
        .dept-group-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 40px 0 20px 0;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            color: var(--primary-dark);
            font-size: 1.4rem;
        }

        .dept-group-title span {
            background: var(--light);
            padding: 6px 12px;
            border-radius: 8px;
            font-size: 1.3rem;
            border: 1px solid var(--border);
        }

        /* সাধারণ বিভাগ কার্ড গ্রিড */
        .dept-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 22px;
            margin-bottom: 25px;
        }

        .dept-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .dept-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary-light);
            box-shadow: 0 8px 22px rgba(15, 81, 50, 0.1);
        }

        .dept-card-header {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 14px;
        }

        .dept-icon {
            font-size: 2.2rem;
            line-height: 1;
        }

        .dept-card-header h4 {
            margin: 0;
            color: var(--primary);
            font-size: 1.25rem;
            line-height: 1.4;
        }

        .dept-card p {
            color: var(--dark);
            margin: 0;
            font-size: 0.98rem;
            line-height: 1.7;
        }

        /* কিতাব বিভাগের ধারাবাহিক ৫টি স্তর (Timeline Card) */
        .kitab-intro-box {
            background: var(--light);
            border: 1px solid var(--border);
            border-left: 5px solid var(--primary);
            padding: 20px;
            border-radius: var(--radius);
            margin-bottom: 25px;
            font-size: 1.05rem;
            color: var(--primary-dark);
            font-weight: 500;
        }

        .tier-steps-container {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 35px;
        }

        .tier-step-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
            transition: transform 0.2s ease, border-color 0.2s ease;
        }

        .tier-step-card:hover {
            transform: translateX(6px);
            border-color: var(--primary);
        }

        .tier-number {
            background: var(--primary);
            color: var(--white);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            font-weight: bold;
            flex-shrink: 0;
        }

        .tier-content {
            flex-grow: 1;
        }

        .tier-content h5 {
            margin: 0 0 6px 0;
            font-size: 1.2rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tier-badge {
            background: #E8F5E9;
            color: var(--primary-dark);
            font-size: 0.8rem;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 600;
            border: 1px solid #C8E6C9;
        }

        .tier-badge.masters {
            background: #FFF3CD;
            color: #856404;
            border-color: #FFEEBA;
        }

        .tier-content p {
            margin: 0;
            color: var(--dark);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* শিক্ষা সফলতা সেকশন */
        .success-banner {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
            border-radius: var(--radius);
            padding: 35px 30px;
            margin-top: 45px;
            box-shadow: 0 8px 24px rgba(15, 81, 50, 0.18);
            position: relative;
            overflow: hidden;
        }

        .success-banner h3 {
            color: var(--accent);
            border: none;
            padding: 0;
            margin-top: 0;
            margin-bottom: 15px;
            font-size: 1.6rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .success-banner p {
            font-size: 1.05rem;
            line-height: 1.85;
            margin-bottom: 15px;
            opacity: 0.95;
            text-align: justify;
        }

        .dua-quote {
            background: rgba(255, 255, 255, 0.1);
            border-left: 4px solid var(--accent);
            padding: 12px 18px;
            border-radius: 6px;
            font-weight: 600;
            color: #FFF;
            display: inline-block;
        }

        @media (max-width: 768px) {
            .tier-step-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .tier-step-card:hover {
                transform: none;
            }
        }