.elementor-6157 .elementor-element.elementor-element-7a2baee{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:10px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px;}.elementor-6157 .elementor-element.elementor-element-2615665{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;}:root{--page-title-display:none;}/* Start custom CSS for html, class: .elementor-element-a70354c */* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
            color: #2c3e50;
            min-height: 100vh;
        }
        
        .modern-ref-section {
            width: 100%;
            padding: 40px 20px;
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .ref-header {
            text-align: center;
            margin-bottom: 60px;
            padding: 0 20px;
        }
        
        .ref-subtitle {
            display: inline-block;
            color: #3498db;
            font-size: 1.1rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 15px;
            padding: 8px 20px;
            background: rgba(52, 152, 219, 0.1);
            border-radius: 30px;
        }
        
        .ref-title {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .ref-desc {
            max-width: 700px;
            margin: 0 auto;
            color: #5a6c7d;
            font-size: 1.2rem;
            line-height: 1.6;
        }
        
        .ref-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            margin-bottom: 50px;
        }
        
        .ref-card {
            background: white;
            border-radius: 16px;
            padding: 30px 25px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            border: 1px solid #e9ecef;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
            position: relative;
            overflow: hidden;
            height: 100%;
            animation: fadeIn 0.5s ease-out forwards;
            opacity: 0;
            display: flex;
            flex-direction: column;
        }
        
        .ref-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
        }
        
        .ref-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
        }
        
        /* Ders Renkleri */
        .ref-card[data-ders="anatomi"]::before { background: linear-gradient(90deg, #FF6B6B, #FF8E8E); }
        .ref-card[data-ders="fizyoloji"]::before { background: linear-gradient(90deg, #4ECDC4, #88D3CE); }
        .ref-card[data-ders="biyokimya"]::before { background: linear-gradient(90deg, #45B7D1, #7BC8E2); }
        .ref-card[data-ders="mikrobiyoloji"]::before { background: linear-gradient(90deg, #96CEB4, #B8E0C8); }
        .ref-card[data-ders="farmakoloji"]::before { background: linear-gradient(90deg, #FFEAA7, #FFEFC1); }
        .ref-card[data-ders="patoloji"]::before { background: linear-gradient(90deg, #DDA0DD, #E6B8E6); }
        .ref-card[data-ders="adc-cerrahisi"]::before { background: linear-gradient(90deg, #98D8C8, #B4E4D4); }
        .ref-card[data-ders="adc-radyolojisi"]::before { background: linear-gradient(90deg, #F7DC6F, #F9E79F); }
        .ref-card[data-ders="endodonti"]::before { background: linear-gradient(90deg, #C39BD3, #D2B4DE); }
        .ref-card[data-ders="ortodonti"]::before { background: linear-gradient(90deg, #76D7C4, #85E0CE); }
        .ref-card[data-ders="pedodonti"]::before { background: linear-gradient(90deg, #F1948A, #F5B7B1); }
        .ref-card[data-ders="periodontoloji"]::before { background: linear-gradient(90deg, #85C1E9, #A9CCF5); }
        .ref-card[data-ders="protetik"]::before { background: linear-gradient(90deg, #F8C471, #FAD7A0); }
        .ref-card[data-ders="restoratif"]::before { background: linear-gradient(90deg, #82E0AA, #A3E4C1); }
        
        .card-header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .ders-icon {
            width: 70px;
            height: 70px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            font-size: 32px;
            color: white;
        }
        
        /* İkon Renkleri */
        .ref-card[data-ders="anatomi"] .ders-icon { background: linear-gradient(135deg, #FF6B6B, #FF8E8E); }
        .ref-card[data-ders="fizyoloji"] .ders-icon { background: linear-gradient(135deg, #4ECDC4, #88D3CE); }
        .ref-card[data-ders="biyokimya"] .ders-icon { background: linear-gradient(135deg, #45B7D1, #7BC8E2); }
        .ref-card[data-ders="mikrobiyoloji"] .ders-icon { background: linear-gradient(135deg, #96CEB4, #B8E0C8); }
        .ref-card[data-ders="farmakoloji"] .ders-icon { background: linear-gradient(135deg, #FFEAA7, #FFEFC1); color: #2c3e50; }
        .ref-card[data-ders="patoloji"] .ders-icon { background: linear-gradient(135deg, #DDA0DD, #E6B8E6); }
        .ref-card[data-ders="adc-cerrahisi"] .ders-icon { background: linear-gradient(135deg, #98D8C8, #B4E4D4); }
        .ref-card[data-ders="adc-radyolojisi"] .ders-icon { background: linear-gradient(135deg, #F7DC6F, #F9E79F); color: #2c3e50; }
        .ref-card[data-ders="endodonti"] .ders-icon { background: linear-gradient(135deg, #C39BD3, #D2B4DE); }
        .ref-card[data-ders="ortodonti"] .ders-icon { background: linear-gradient(135deg, #76D7C4, #85E0CE); }
        .ref-card[data-ders="pedodonti"] .ders-icon { background: linear-gradient(135deg, #F1948A, #F5B7B1); }
        .ref-card[data-ders="periodontoloji"] .ders-icon { background: linear-gradient(135deg, #85C1E9, #A9CCF5); }
        .ref-card[data-ders="protetik"] .ders-icon { background: linear-gradient(135deg, #F8C471, #FAD7A0); color: #2c3e50; }
        .ref-card[data-ders="restoratif"] .ders-icon { background: linear-gradient(135deg, #82E0AA, #A3E4C1); }
        
        .ders-baslik h3 {
            font-size: 1.6rem;
            color: #2c3e50;
            margin-bottom: 8px;
        }
        
        .soru-bilgi {
            background: rgba(52, 152, 219, 0.1);
            color: #3498db;
            padding: 6px 15px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.95rem;
            display: inline-block;
        }
        
        .card-desc {
            color: #5a6c7d;
            line-height: 1.6;
            margin-bottom: 25px;
            font-size: 1.05rem;
            flex-grow: 1;
        }
        
        /* PDF LİNK BUTONU */
        .pdf-link-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #e74c3c;
            color: white !important;
            padding: 12px 25px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid #e74c3c;
            width: 100%;
            text-align: center;
            margin-top: auto;
        }
        
        .pdf-link-btn:hover {
            background: white;
            color: #e74c3c !important;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(231, 76, 60, 0.2);
        }
        
        .pdf-link-btn i {
            margin-right: 10px;
            font-size: 1.3rem;
        }
        
        /* Filtre Butonları */
        .filter-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 40px;
        }
        
        .filter-btn {
            padding: 12px 28px;
            border: 2px solid #3498db;
            background: white;
            color: #3498db;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
        }
        
        .filter-btn:hover,
        .filter-btn.active {
            background: #3498db;
            color: white;
        }
        
        /* Responsive */
        @media (max-width: 1200px) {
            .ref-grid { grid-template-columns: repeat(3, 1fr); }
        }
        
        @media (max-width: 992px) {
            .ref-grid { grid-template-columns: repeat(2, 1fr); }
            .ref-title { font-size: 2.4rem; }
        }
        
        @media (max-width: 768px) {
            .ref-grid { grid-template-columns: 1fr; gap: 20px; }
            .ref-title { font-size: 2rem; }
            .ref-desc { font-size: 1.1rem; }
            .card-header { flex-direction: column; text-align: center; }
            .ders-icon { margin-right: 0; margin-bottom: 15px; }
            .pdf-link-btn { padding: 14px 25px; }
        }
        
        @media (max-width: 480px) {
            .modern-ref-section { padding: 30px 15px; }
            .ref-title { font-size: 1.8rem; }
            .ref-card { padding: 25px 20px; }
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }/* End custom CSS */