        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
        
        :root {
          --primary-color: rgb(34, 93, 203);
          --primary-dark: #1505a1;
          --secondary-color: #7979fd;
          --dark-color: #2d3436;
          --light-color: #f5f6fa;
          --gray-color: #dfe6e9;
          --success-color: #00b894;
          --warning-color: #fdcb6e;
          --danger-color: #d63031;
          --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
          --transition: all 0.3s ease;
        }
        
        * {
          margin: 0;
          padding: 0;
          box-sizing: border-box;
        }
        
        body {
          font-family: 'Poppins', sans-serif;
          background-color: #f8f9fa;
          color: var(--dark-color);
          line-height: 1.6;
        }
        
        .responsive-container-block {
          width: 100%;
          padding: 0 15px;
        }
        
        .bigContainer {
          max-width: 1400px;
          margin: 0 auto;
          padding: 20px 0;
        }
        
        .Container {
          display: flex;
          flex-direction: column;
          align-items: center;
        }
        
        .header-section {
          text-align: center;
          margin-bottom: 30px;
          width: 100%;
        }
        
        .main-heading {
          font-size: 2.5rem;
          font-weight: 700;
          color: var(--primary-color);
          margin-bottom: 10px;
          background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
        }
        
        .sub-heading {
          font-size: 1.1rem;
          color: #666;
          font-weight: 300;
        }
        
        .search-container {
          margin: 30px 0;
          width: 100%;
          max-width: 700px;
        }
        
        .search-wrapper {
          position: relative;
          width: 100%;
        }
        
        #search-input {
          width: 100%;
          padding: 15px 20px;
          padding-right: 60px;
          border: none;
          border-radius: 50px;
          font-size: 1rem;
          box-shadow: var(--shadow);
          transition: var(--transition);
          border: 1px solid var(--gray-color);
        }
        
        #search-input:focus {
          outline: none;
          box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
          border-color: var(--primary-color);
        }
        
        .search-btn {
          position: absolute;
          right: 5px;
          top: 50%;
          transform: translateY(-50%);
          width: 50px;
          height: 50px;
          border-radius: 50%;
          background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
          color: white;
          border: none;
          cursor: pointer;
          display: flex;
          align-items: center;
          justify-content: center;
          transition: var(--transition);
        }
        
        .search-btn:hover {
          background: linear-gradient(45deg, var(--primary-dark), var(--secondary-color));
          transform: translateY(-50%) scale(1.05);
        }
        
        .filter-section {
          width: 100%;
          margin-bottom: 30px;
        }
        
        .textContainer {
          text-align: center;
        }
        
        .optionsText {
          font-size: 1rem;
          color: #666;
          margin-bottom: 15px;
          font-weight: 500;
          text-transform: uppercase;
          letter-spacing: 1px;
        }
        
        .filter-buttons {
          display: flex;
          flex-wrap: wrap;
          justify-content: center;
          gap: 10px;
        }
        
        .filter-btn {
          padding: 10px 20px;
          border-radius: 50px;
          background-color: white;
          color: var(--dark-color);
          border: 1px solid var(--gray-color);
          cursor: pointer;
          font-size: 0.9rem;
          font-weight: 500;
          display: flex;
          align-items: center;
          gap: 8px;
          transition: var(--transition);
          box-shadow: var(--shadow);
        }
        
        .filter-btn svg {
          stroke: currentColor;
        }
        
        .filter-btn:hover {
          background-color: var(--light-color);
          transform: translateY(-2px);
        }
        
        .filter-btn.active {
          background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
          color: white;
          border-color: transparent;
        }
        
        .portfolio {
          display: grid;
          grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
          gap: 25px;
          padding: 20px 0;
          width: 100%;
        }
        
        .project {
          position: relative;
          overflow: hidden;
          border-radius: 12px;
          box-shadow: var(--shadow);
          background-color: white;
          transition: var(--transition);
        }
        
        .project:hover {
          transform: translateY(-5px);
          box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .video-container {
          width: 100%;
          height: 200px;
          position: relative;
          overflow: hidden;
          border-radius: 12px 12px 0 0;
        }
        
        .video-thumbnail {
          width: 100%;
          height: 100%;
          object-fit: cover;
          transition: var(--transition);
        }
        
        .play-button {
          position: absolute;
          top: 50%;
          left: 50%;
          transform: translate(-50%, -50%);
          width: 60px;
          height: 60px;
          background-color: rgba(255, 255, 255, 0.2);
          backdrop-filter: blur(5px);
          border-radius: 50%;
          display: flex;
          align-items: center;
          justify-content: center;
          cursor: pointer;
          transition: var(--transition);
          border: 2px solid white;
        }
        
        .play-button::after {
          content: '';
          display: block;
          width: 0;
          height: 0;
          border-top: 12px solid transparent;
          border-bottom: 12px solid transparent;
          border-left: 20px solid white;
          margin-left: 5px;
        }
        
        .project:hover .play-button {
          background-color: rgb(34, 93, 203);
          transform: translate(-50%, -50%) scale(1.1);
        }
        
        .video-info {
          padding: 15px;
        }
        
        .video-title {
          font-weight: 600;
          margin-bottom: 5px;
          white-space: nowrap;
          overflow: hidden;
          text-overflow: ellipsis;
          color: var(--dark-color);
        }
        
        .video-user {
          color: #666;
          font-size: 0.85rem;
          display: flex;
          align-items: center;
          gap: 5px;
        }
        
        .video-user svg {
          width: 14px;
          height: 14px;
          stroke: currentColor;
        }
        
        .video-duration {
          position: absolute;
          top: 10px;
          right: 10px;
          background-color: rgba(0, 0, 0, 0.7);
          color: white;
          padding: 3px 8px;
          border-radius: 4px;
          font-size: 0.8rem;
          font-weight: 500;
        }
        
        .overlay {
          position: fixed;
          top: 0;
          left: 0;
          right: 0;
          bottom: 0;
          background-color: rgba(0, 0, 0, 0.9);
          display: none;
          align-items: center;
          justify-content: center;
          z-index: 1000;
          opacity: 0;
          transition: opacity 0.3s ease;
        }
        
        .overlay.show {
          display: flex;
          opacity: 1;
        }
        
        .overlay-inner {
          position: relative;
          width: 90%;
          max-width: 900px;
          background-color: #1a1a1a;
          border-radius: 12px;
          overflow: hidden;
          transform: scale(0.9);
          transition: transform 0.3s ease;
        }
        
        .overlay.show .overlay-inner {
          transform: scale(1);
        }
        
        .video-player {
          width: 100%;
          height: 0;
          padding-bottom: 56.25%; /* 16:9 aspect ratio */
          background-color: black;
        }
        
        .video-player iframe,
        .video-player video {
          position: absolute;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
          border: none;
        }
        
        .close {
          position: absolute;
          top: 15px;
          right: 15px;
          background: var(--danger-color);
          color: white;
          border: none;
          width: 40px;
          height: 40px;
          border-radius: 50%;
          cursor: pointer;
          z-index: 1001;
          display: flex;
          align-items: center;
          justify-content: center;
          transition: var(--transition);
        }
        
        .close:hover {
          background: #1505a1;
          transform: rotate(90deg);
        }
        
        .close svg {
          width: 20px;
          height: 20px;
        }
        
        .loading-spinner {
          grid-column: 1 / -1;
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          padding: 40px 0;
        }
        
        .spinner {
          width: 50px;
          height: 50px;
          border: 5px solid rgba(108, 92, 231, 0.2);
          border-radius: 50%;
          border-top-color: var(--primary-color);
          animation: spin 1s linear infinite;
          margin-bottom: 15px;
        }
        
        @keyframes spin {
          100% {
            transform: rotate(360deg);
          }
        }
        
        .footer {
          width: 100%;
          text-align: center;
          padding: 20px 0;
          margin-top: 30px;
          color: #666;
          font-size: 0.9rem;
          border-top: 1px solid var(--gray-color);
        }
        
        /* Responsive adjustments */
        @media (max-width: 768px) {
          .portfolio {
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
          }
          
          .main-heading {
            font-size: 2rem;
          }
          
          .filter-buttons {
            gap: 8px;
          }
          
          .filter-btn {
            padding: 8px 15px;
            font-size: 0.8rem;
          }
        }
        
        @media (max-width: 480px) {
          .portfolio {
            grid-template-columns: 1fr;
          }
          
          .main-heading {
            font-size: 1.8rem;
          }
          
          .search-container {
            margin: 20px 0;
          }
          
          #search-input {
            padding: 12px 15px;
            padding-right: 50px;
          }
          
          .search-btn {
            width: 40px;
            height: 40px;
          }
        }