:root {
            --solidpro-blue: #17479e;
            --solidpro-red: #e11b22;
            --solidpro-dark: #0a2540;
            --solidpro-light: #f0f7ff;
            --solidpro-text: #475569;
            --solidpro-gradient: linear-gradient(135deg, #17479e 0%, #e11b22 100%);
            --glass-bg: rgba(255, 255, 255, 0.75);
            --shadow-sm: 0 4px 12px rgba(2, 6, 23, 0.04);
            --shadow-md: 0 10px 30px rgba(2, 6, 23, 0.08);
            --shadow-lg: 0 20px 60px rgba(2, 6, 23, 0.12);
            --radius-sm: 12px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body.insights-page {
            font-family: 'Inter', sans-serif;
            background: #fcfcfd;
            color: var(--solidpro-text);
            overflow-x: hidden;
            margin: 0;
            line-height: 1.6;
        }

      

        .gradient-text {
            background: var(--solidpro-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-block;
        }

        /* Modern Section Styles */
        .section-title {
            font-size: 3rem;
            font-weight: 900;
            margin: 0 0 20px;
            letter-spacing: -0.025em;
            line-height: 1.1;
            color: var(--solidpro-dark);
        }
        
        .section-subtitle {
            font-size: 1.15rem;
            color: var(--solidpro-text);
            max-width: 700px;
            line-height: 1.7;
            margin: 0 auto 50px;
        }

        /* ===== Modern Resources Hero ===== */
        .resources-hero {
            background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
            padding: 30px 0 10px;
            position: relative;
            overflow: hidden;
        }
        
        .resources-hero:before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(23, 71, 158, 0.05) 0%, transparent 70%);
            z-index: 0;
        }

        .resources-hero .wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            font-size: 0.9rem;
            color: var(--solidpro-text);
            display: flex;
            gap: 10px;
            align-items: center;
            margin-bottom: 24px;
        }
        
        .breadcrumb a {
            color: var(--solidpro-blue);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }
        
        .breadcrumb a:hover {
            text-decoration: underline;
        }

        .hero-layout {
            display: grid;
            grid-template-columns: none;
            gap: 40px;
            align-items: start;
        }

        .resources-hero h1 {
            margin: 0 0 16px;
            font-size: 2.5rem;
            letter-spacing: -0.03em;
            line-height: 1.1;
            color: var(--solidpro-dark);
        }
        
        .resources-hero .hero-description {
            margin: 0 0 10px;
            font-size: 18px;
            color: var(--solidpro-text);
            max-width: 700px;
            line-height: 1.7;
        }

        /* Modern Filter Bar */
        .filters-bar {
            display: grid;
            grid-template-columns: 1fr 1fr 1.3fr auto;
            gap: 16px;
            padding: 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(226, 232, 240, 0.6);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        
        .filter label {
            display: block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--solidpro-dark);
            margin-bottom: 8px;
        }
        
        .filter select {
            width: 100%;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            border: 1px solid #e2e8f0;
            background: white;
            font-family: inherit;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230a2540' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
        }
        
        .filter select:focus {
            outline: none;
            border-color: var(--solidpro-blue);
            box-shadow: 0 0 0 3px rgba(23, 71, 158, 0.1);
        }
        
        .filter.search .searchbox {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            border: 1px solid #e2e8f0;
            background: white;
            transition: var(--transition);
        }
        
        .filter.search .searchbox:focus-within {
            border-color: var(--solidpro-blue);
            box-shadow: 0 0 0 3px rgba(23, 71, 158, 0.1);
        }
        
        .filter.search input {
            border: 0;
            outline: 0;
            width: 100%;
            font-family: inherit;
            font-size: 0.95rem;
            background: transparent;
        }
        
        .filter-reset {
            border: 0;
            border-radius: var(--radius-md);
            padding: 14px 20px;
            font-weight: 700;
            color: white;
            background: var(--solidpro-gradient);
            cursor: pointer;
            align-self: flex-end;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        
        .filter-reset:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        
        .results-meta {
            margin-top: 20px;
            padding: 16px 0;
            font-weight: 600;
            color: var(--solidpro-dark);
            border-bottom: 2px solid rgba(226, 232, 240, 0.5);
        }

        /* Side Card */
        .hero-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(226, 232, 240, 0.6);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            position: sticky;
            top: 100px;
        }
        
        .hero-card-title {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--solidpro-dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        
        .most-downloaded {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        
        .most-downloaded li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(226, 232, 240, 0.5);
        }
        
        .most-downloaded a {
            text-decoration: none;
            color: var(--solidpro-dark);
            font-weight: 700;
            transition: var(--transition);
            flex: 1;
        }
        
        .most-downloaded a:hover {
            color: var(--solidpro-blue);
            text-decoration: underline;
        }
        
        .download-count {
            font-size: 0.85rem;
            color: var(--solidpro-text);
            background: rgba(226, 232, 240, 0.5);
            padding: 4px 10px;
            border-radius: 20px;
        }

        /* Brain Visualization */
        .floating-brain {
            position: relative;
            width: 280px;
            height: 280px;
            margin: 0 auto;
        }
        
        .brain-lines {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
        }
        
        .brain-node {
            position: absolute;
            top: var(--y);
            left: var(--x);
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            background: var(--solidpro-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            box-shadow: var(--shadow-lg);
            animation: floatNode 6s infinite ease-in-out;
            animation-delay: var(--d);
            transition: var(--transition);
            z-index: 2;
            cursor: pointer;
        }
        
        .brain-node:hover {
            transform: translate(-50%, -50%) scale(1.15);
            box-shadow: 0 25px 50px rgba(23, 71, 158, 0.4);
        }
        
        @keyframes floatNode {
            0%, 100% { transform: translate(-50%, -50%) translateY(0) scale(1); }
            50% { transform: translate(-50%, -50%) translateY(-15px) scale(1.08); }
        }

        /* ===== Modern Grid Layout ===== */
        .featured-modular {
            padding: 0px 0 20px;
            background: white;
        }
        
        .featured-modular .wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .modular-container {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
            margin-top: 10px;
        }

        .modular-card {
            background: white;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(226, 232, 240, 0.6);
            transition: var(--transition);
            opacity: 1;
            transform: translateY(20px);
            display: block;
            text-decoration: none;
            color: inherit;
        }
        
        .modular-card.show {
            opacity: 1;
            transform: translateY(0);
        }
        
        .modular-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            z-index: 10;
        }

        .modular-content {
            padding: 32px;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        
        .modular-content:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--solidpro-gradient);
        }

        .modular-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            align-self: flex-start;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .modular-card h3 {
            font-size: 1.35rem;
            font-weight: 800;
            margin: 0 0 16px;
            line-height: 1.3;
            color: var(--solidpro-dark);
        }
        
        .modular-card p {
            margin: 0 0 24px;
            line-height: 1.7;
            color: var(--solidpro-text);
            opacity: 0.9;
        }
        
        .modular-stats {
            margin-top: auto;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: var(--solidpro-text);
            opacity: 0.85;
        }
        
        .modular-stats span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Card sizes */
        .card-large { grid-column: 1 / span 6; grid-row: span 2; }
        .card-medium { grid-column: span 4; grid-row: span 1; }
        .card-small { grid-column: span 3; grid-row: span 1; }
        .card-tall { grid-column: span 3; grid-row: span 2; }

        /* Featured card */
        .card-featured {
            background: var(--solidpro-gradient);
            color: white;
            border: none;
        }
        
        .card-featured .modular-content:before {
            background: rgba(255, 255, 255, 0.3);
            height: 6px;
        }
        
        .card-featured h3,
        .card-featured p,
        .card-featured .modular-stats {
            color: white;
        }
        
        .card-featured .modular-badge {
            background: rgba(255, 255, 255, 0.25);
            color: white;
        }

        /* ===== Modern Timeline ===== */
        .case-timeline {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            position: relative;
        }
        
        .case-timeline:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(23, 71, 158, 0.3), transparent);
        }

        .timeline-container {
            position: relative;
            max-width: 1200px;
            margin: 60px auto 0;
            padding: 0 24px;
        }
        
        .timeline-line {
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--solidpro-gradient);
            transform: translateX(-50%);
        }
        
        .timeline-card {
            position: relative;
            width: 45%;
            margin-bottom: 80px;
            opacity: 1;
            transform: translateY(40px);
            transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .timeline-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .timeline-card:nth-child(odd) { left: 0; }
        .timeline-card:nth-child(even) { left: 55%; }
        
        .timeline-marker {
            position: absolute;
            left: 50%;
            width: 24px;
            height: 24px;
            background: white;
            border: 4px solid var(--solidpro-blue);
            border-radius: 50%;
            transform: translateX(-50%);
            z-index: 2;
            box-shadow: 0 0 0 8px rgba(23, 71, 158, 0.1);
        }
        
        .timeline-content {
            background: white;
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        
        .timeline-content:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--solidpro-gradient);
        }
        
        .timeline-content:after {
            content: '';
            position: absolute;
            top: 30px;
            width: 20px;
            height: 20px;
            background: white;
            transform: rotate(45deg);
        }
        
        .timeline-card:nth-child(odd) .timeline-content:after { right: -10px; }
        .timeline-card:nth-child(even) .timeline-content:after { left: -10px; }

        .impact-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
            padding-top: 28px;
            border-top: 1px solid rgba(226, 232, 240, 0.6);
        }
        
        .metric-circle {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: rgba(23, 71, 158, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            position: relative;
        }
        
        .metric-circle:after {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 50%;
            border: 3px solid var(--solidpro-blue);
            border-right-color: transparent;
            animation: metricSpin 2s linear infinite;
        }
        
        @keyframes metricSpin {
            to { transform: rotate(360deg); }
        }

        /* ===== Enhanced Papers Interactive ===== */
        .papers-interactive {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .papers-interactive:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(23, 71, 158, 0.2), transparent);
        }

        .section-header {
            max-width: 1200px;
            margin: 0 auto 60px;
            padding: 0 24px;
            text-align: center;
        }

        /* Paper Cards Container */
        .paper-cards-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            perspective: 1200px;
        }

        /* 3D Card */
        .paper-card-3d {
            height: 460px;
            position: relative;
            transform-style: preserve-3d;
            transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border-radius: 24px;
        }

        .paper-card-3d:not(.flipped):hover {
            transform: rotateY(5deg) rotateX(2deg) translateY(-10px);
        }

        .paper-card-3d.flipped {
            transform: rotateY(180deg);
        }

        /* Front and Back Faces */
        .paper-front,
        .paper-back {
            position: absolute;
            inset: 0;
            backface-visibility: hidden;
            border-radius: 24px;
            padding: 32px;
            display: flex;
            flex-direction: column;
            box-shadow: 0 20px 60px rgba(2, 6, 23, 0.1);
            overflow: hidden;
        }

        .paper-front {
            background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
            border: 1px solid rgba(226, 232, 240, 0.8);
            justify-content: space-between;
        }

        .paper-front:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--solidpro-gradient);
        }

        .paper-back {
            background: white;
            transform: rotateY(180deg);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        /* Front Card Styles */
        .paper-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 24px;
        }

        .paper-badge {
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(23, 71, 158, 0.1);
            color: var(--solidpro-blue);
        }

        .paper-badge i {
            font-size: 0.9rem;
        }

        .paper-icon-large {
            font-size: 3.5rem;
            color: var(--solidpro-blue);
            opacity: 0.9;
        }

        .paper-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .paper-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--solidpro-dark);
            margin: 0 0 16px;
            line-height: 1.3;
        }

        .paper-content p {
            color: var(--solidpro-text);
            line-height: 1.7;
            margin: 0;
            opacity: 0.9;
        }

        .paper-footer {
            margin-top: auto;
        }

        .paper-stats {
            display: flex;
            gap: 20px;
            margin-bottom: 16px;
            font-size: 0.9rem;
            color: var(--solidpro-text);
        }

        .paper-stats span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .paper-hint {
            font-size: 0.85rem;
            color: var(--solidpro-blue);
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
        }

        /* Back Card Styles */
        .back-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        .back-header h4 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--solidpro-dark);
            margin: 0;
        }

        .paper-theme {
            display: flex;
            gap: 8px;
        }

        .theme-tag {
            padding: 6px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .theme-tag.materials {
            background: rgba(23, 71, 158, 0.1);
            color: var(--solidpro-blue);
        }

        .theme-tag.manufacturing {
            background: rgba(225, 27, 34, 0.1);
            color: var(--solidpro-red);
        }

        .theme-tag.automation {
            background: rgba(255, 152, 0, 0.1);
            color: #ff9800;
        }

        .theme-tag.robotics {
            background: rgba(156, 39, 176, 0.1);
            color: #9c27b0;
        }

        .theme-tag.digital {
            background: rgba(0, 150, 136, 0.1);
            color: #009688;
        }

        .theme-tag.iot {
            background: rgba(76, 175, 80, 0.1);
            color: #4caf50;
        }

        .back-content {
            flex: 1;
            overflow-y: auto;
            padding-right: 8px;
            margin-bottom: 24px;
        }

        .back-content::-webkit-scrollbar {
            width: 4px;
        }

        .back-content::-webkit-scrollbar-track {
            background: rgba(226, 232, 240, 0.5);
            border-radius: 10px;
        }

        .back-content::-webkit-scrollbar-thumb {
            background: var(--solidpro-blue);
            border-radius: 10px;
        }

        .back-content ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .back-content li {
            padding: 12px 0;
            border-bottom: 1px solid rgba(226, 232, 240, 0.5);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            line-height: 1.6;
            color: var(--solidpro-text);
        }

   

        .back-content li i {
            color: var(--solidpro-blue);
            margin-top: 2px;
            font-size: 0.9rem;
            min-width: 20px;
        }

        .back-footer {
            margin-top: auto;
        }

        .paper-meta {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: var(--solidpro-text);
        }

        .paper-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .paper-actions {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 12px;
        }

        .btn-preview,
        .btn-download {
            padding: 14px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
        }

        .btn-preview {
            background: rgba(23, 71, 158, 0.1);
            color: var(--solidpro-blue);
            border: 2px solid rgba(23, 71, 158, 0.2);
        }

        .btn-preview:hover {
            background: rgba(23, 71, 158, 0.2);
            transform: translateY(-2px);
        }

        .btn-download {
            background: var(--solidpro-gradient);
            color: white;
            border: none;
            box-shadow: 0 10px 30px rgba(23, 71, 158, 0.2);
        }

        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 40px rgba(23, 71, 158, 0.3);
        }

        /* ===== Tabs Navigation ===== */
        .resources-nav {
            background: white;
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
           
            top: 78px;
            z-index: 999;
            box-shadow: 0 4px 20px rgba(2, 6, 23, 0.05);
        }
        
        .nav-wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        .nav-tabs {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding: 0;
            margin: 0;
            list-style: none;
        }
        
        .nav-tabs::-webkit-scrollbar {
            height: 4px;
        }
        
        .nav-tabs::-webkit-scrollbar-track {
            background: rgba(226, 232, 240, 0.5);
        }
        
        .nav-tabs::-webkit-scrollbar-thumb {
            background: var(--solidpro-blue);
            border-radius: 10px;
        }
        
        .nav-tabs li {
            flex-shrink: 0;
        }
        
        .tab-btn {
            padding: 18px 28px;
            background: transparent;
            border: none;
            border-bottom: 3px solid transparent;
            font-size: 1rem;
            font-weight: 700;
            color: var(--solidpro-text);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .tab-btn:hover {
            color: var(--solidpro-blue);
        }
        
        .tab-btn.active {
            color: var(--solidpro-blue);
            border-bottom-color: var(--solidpro-blue);
            background: rgba(23, 71, 158, 0.05);
        }
        
        .tab-btn i {
            font-size: 1.1rem;
        }

      

        .resource-section {
            margin-bottom: 0px;
            opacity: 1;
            transform: translateY(20px);
            animation: fadeInUp 0.6s ease forwards;
        }
        
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .cards-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        /* Card Styles for Tabs */
        .resource-card {
            background: white;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(226, 232, 240, 0.6);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .resource-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        
        .card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .resource-card:hover .card-image img {
            transform: scale(1.05);
        }
        
        .card-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            z-index: 2;
        }
        
        .card-badge.whitepaper {
            background: var(--solidpro-blue);
            color: white;
        }
        
        .card-badge.casestudy {
            background: var(--solidpro-red);
            color: white;
        }
        
        .card-badge.news {
            background: #ff9800;
            color: white;
        }
        
        .card-badge.blog {
            background: #9c27b0;
            color: white;
        }
        
        .card-content {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .card-meta {
            display: flex;
            gap: 16px;
            margin-bottom: 16px;
            font-size: 0.85rem;
            color: var(--solidpro-text);
        }
        
        .card-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        
        .card-title {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--solidpro-dark);
            margin: 0 0 16px;
            line-height: 1.4;
        }
        
        .card-excerpt {
            color: var(--solidpro-text);
            line-height: 1.7;
            margin: 0 0 24px;
            flex: 1;
        }
        
        .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
            padding-top: 20px;
            border-top: 1px solid rgba(226, 232, 240, 0.6);
        }
        
        .card-stats {
            display: flex;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--solidpro-text);
        }
        
        .card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        
        .card-action {
            padding: 10px 20px;
            background: rgba(23, 71, 158, 0.1);
            color: var(--solidpro-blue);
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            text-decoration: none;
        }
        
        .card-action:hover {
            background: rgba(23, 71, 158, 0.2);
            transform: translateX(4px);
        }

        /* ===== Modern Newsletter ===== */
        .newsletter-interactive {
            padding: 100px 0;
            background: var(--solidpro-dark);
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .newsletter-interactive:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 30%, rgba(23, 71, 158, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(225, 27, 34, 0.2) 0%, transparent 50%);
        }
        
        .newsletter-container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 0 24px;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .newsletter-particle {
            position: absolute;
            border-radius: 50%;
            opacity: 0.4;
            animation: particleFloat 15s infinite linear;
        }
        
        @keyframes particleFloat {
            0% { transform: translateY(0) translateX(0) rotate(0deg); }
            25% { transform: translateY(-100px) translateX(100px) rotate(90deg); }
            50% { transform: translateY(0) translateX(200px) rotate(180deg); }
            75% { transform: translateY(100px) translateX(100px) rotate(270deg); }
            100% { transform: translateY(0) translateX(0) rotate(360deg); }
        }
        
        .form-3d {
            max-width: 600px;
            margin: 50px auto 0;
            perspective: 1000px;
        }
        
        .form-input-3d {
            margin-bottom: 20px;
        }
        
        .form-input-3d input {
            width: 100%;
            padding: 22px 30px;
            font-size: 1.1rem;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            color: white;
            transition: var(--transition);
            box-sizing: border-box;
            backdrop-filter: blur(10px);
        }
        
        .form-input-3d input:focus {
            border-color: white;
            background: rgba(255, 255, 255, 0.15);
            outline: none;
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
        }
        
        .submit-btn-3d {
            padding: 22px 50px;
            font-size: 1.1rem;
            font-weight: 800;
            background: var(--solidpro-gradient);
            color: white;
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-lg);
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }
        
        .submit-btn-3d:hover {
            transform: translateY(-5px);
            box-shadow: 0 30px 60px rgba(23, 71, 158, 0.4);
        }

       
        /* Section Header Common */
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--solidpro-dark);
            margin: 0;
        }
        
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--solidpro-text);
            margin: 10px 0 0;
        }
        
        .view-all-btn {
            padding: 12px 28px;
            background: var(--solidpro-gradient);
            color: white;
            border: none;
            border-radius: var(--radius-md);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            font-size: 0.95rem;
        }
        
        .view-all-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== Responsive Design ===== */
        @media (max-width: 1200px) {
            .paper-cards-container {
                grid-template-columns: repeat(2, 1fr);
                max-width: 800px;
            }
            
         
        }
        
        @media (max-width: 992px) {
            .hero-layout { grid-template-columns: 1fr; }
            .filters-bar { grid-template-columns: 1fr 1fr; }
            .hero-card { position: relative; top: 0; margin-top: 40px; }
            
            .cards-container { grid-template-columns: repeat(2, 1fr); }
            .paper-cards-container { grid-template-columns: 1fr; max-width: 500px; }
           
            
            .timeline-line { left: 30px; }
            .timeline-card { width: calc(100% - 60px); left: 60px !important; }
            .timeline-content:after { left: -10px !important; right: auto !important; }
            
            .modular-container { grid-template-columns: repeat(6, 1fr); }
            .card-large { grid-column: 1 / -1; }
            .card-medium { grid-column: span 3; }
            .card-tall { grid-column: span 3; }
            .card-small { grid-column: span 3; }
            
            .section-title { font-size: 2.5rem; }
            .resources-hero h1 { font-size: 3rem; }
            .paper-card-3d { height: 420px; }
        }
        
        @media (max-width: 768px) {
            .filters-bar { grid-template-columns: 1fr; }
            .filter-reset { width: 100%; justify-content: center; }
            .impact-metrics { grid-template-columns: 1fr; }
            
            .cards-container { grid-template-columns: 1fr; max-width: 500px; margin-left: auto; margin-right: auto; }
            .section-header { flex-direction: column; align-items: flex-start; }
            .nav-tabs { padding-bottom: 10px; }
            .tab-btn { padding: 14px 20px; font-size: 0.95rem; }
            
            .modular-container { grid-template-columns: 1fr; }
            .card-large, .card-medium, .card-tall, .card-small { grid-column: 1 / -1; }
            
            .timeline-card { width: 100%; left: 0 !important; }
            .paper-card-3d { height: 400px; }
            .paper-front, .paper-back { padding: 24px; }
            .paper-content h3 { font-size: 1.4rem; }
            .paper-actions { grid-template-columns: 1fr; }
            
            .section-title { font-size: 2.2rem; }
            .resources-hero h1 { font-size: 2.5rem; }
            .brain-node { width: 50px; height: 50px; font-size: 18px; }
            
            .hero-layout { gap: 30px; }
        }
        
        @media (max-width: 576px) {
            .section-title { font-size: 2rem; }
            .resources-hero h1 { font-size: 2.2rem; }
            .section-subtitle { font-size: 1.1rem; }
            
            .paper-card-3d { height: 380px; }
            .paper-icon-large { font-size: 3.5rem; }
            
            .footer-links { flex-direction: column; gap: 15px; }
            .form-input-3d input, .submit-btn-3d { padding: 18px 24px; }
            
            .card-content { padding: 20px; }
            .card-footer { flex-direction: column; align-items: flex-start; gap: 16px; }
            .card-action { width: 100%; justify-content: center; }
        }