* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            color: #334155;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Sección de Artículos Científicos */
        .cientificos-section {
            background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
            color: white;
            padding: 80px 0;
            width: 100%;
        }

        .cientificos-content {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .cientificos-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 30px;
            background: linear-gradient(90deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            position: relative;
            display: inline-block;
        }

        .cientificos-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 120px;
            height: 4px;
            background: linear-gradient(90deg, #60a5fa, #3b82f6);
            border-radius: 2px;
        }

        .cientificos-desc {
            font-size: 1.2rem;
            margin-bottom: 50px;
            color: #cbd5e1;
            line-height: 1.8;
        }

        .descargas-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            max-width: 700px;
            margin: 0 auto;
        }

        .descarga-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            transition: all 0.4s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }

        .descarga-card:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.15);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        }

        .descarga-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #60a5fa, #3b82f6);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 2rem;
            box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
        }

        .descarga-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: white;
        }

        .descarga-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(90deg, #10b981, #059669);
            color: white;
            text-decoration: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            margin-top: 10px;
            box-shadow: 0 5px 15px rgba(16, 185, 129, 0.4);
        }

        .descarga-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.6);
            text-decoration: none;
            color: white;
        }

        .descarga-btn i {
            margin-right: 8px;
        }

        /* Sección de Convocatorias */
        .convocatorias-section {
            background: white;
            padding: 100px 0;
            width: 100%;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #1e293b;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, #f59e0b, #d97706);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1.2rem;
            color: #64748b;
            max-width: 600px;
            margin: 0 auto;
        }

        .convocatorias-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .convocatoria-card {
            background: white;
            border-radius: 20px;
            padding: 35px 25px;
            text-align: center;
            transition: all 0.4s ease;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid #f1f5f9;
            position: relative;
            overflow: hidden;
        }

        .convocatoria-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, #f59e0b, #d97706);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

        .convocatoria-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .convocatoria-card:hover::before {
            transform: scaleX(1);
        }

        .convocatoria-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 1.8rem;
            color: white;
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
        }

        .convocatoria-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: #1e293b;
        }

        .convocatoria-fecha {
            font-size: 1rem;
            color: #64748b;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .convocatoria-fecha i {
            color: #f59e0b;
        }

        .estado-abierto {
            display: inline-block;
            background: linear-gradient(90deg, #10b981, #059669);
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            color: white;
            padding: 60px 0 30px;
            margin-top: auto;
            width: 100%;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #60a5fa;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: #60a5fa;
            border-radius: 2px;
        }

        .footer-column p, .footer-column a {
            color: #cbd5e1;
            margin-bottom: 12px;
            text-decoration: none;
            transition: color 0.3s ease;
            display: block;
        }

        .footer-column a:hover {
            color: #60a5fa;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .convocatorias-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .cientificos-title, .section-title {
                font-size: 2.5rem;
            }
            
            .descargas-grid {
                grid-template-columns: 1fr;
            }
            
            .convocatorias-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .footer-column h3::after {
                left: 50%;
                transform: translateX(-50%);
            }
        }

        @media (max-width: 480px) {
            .cientificos-section, .convocatorias-section {
                padding: 60px 0;
            }
            
            .cientificos-title, .section-title {
                font-size: 2rem;
            }
            
            .descarga-card, .convocatoria-card {
                padding: 30px 20px;
            }
        }