/* ================ */
        /* VARIABLES         */
        /* ================ */
        :root {
          --primary-color: #ff0000;
          --bg-color: #121212;
          --card-bg: #1e1e1e;
          --text-color: #e0e0e0;
          --border-color: #ff3333;
          --submenu-bg: #2a2a2a;
        }

        /* ================ */
        /* BASE STYLES      */
        /* ================ */
        body {
          font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
          color: var(--text-color);
          margin: 0;
          padding: 0;
          line-height: 1.6;
          background: linear-gradient(rgba(18, 18, 18, 0.7), rgba(30, 30, 30, 0.7)), 
                      url('https://images.unsplash.com/photo-1530128118208-89f6ce02b37b?q=80&w=1170&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D') no-repeat center center fixed;
          background-size: cover;
          min-height: 100vh;
        }

        .container {
          max-width: 1200px;
          margin: 0 auto;
          padding: 20px;
          background-color: rgba(30, 30, 30, 0.85);
          border-radius: 15px;
          box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
          margin-top: 20px;
          margin-bottom: 20px;
        }

        /* ================ */
        /* HEADER EFFECTS   */
        /* ================ */
        header {
          text-align: center;
          margin-bottom: 30px;
          border-bottom: 2px solid var(--border-color);
          padding-bottom: 20px;
          position: relative;
          overflow: hidden;
          background: linear-gradient(to bottom, 
                      rgba(18, 18, 18, 0.9) 0%, 
                      rgba(30, 30, 30, 0.7) 100%);
          box-shadow: 0 4px 30px rgba(255, 0, 0, 0.1);
          backdrop-filter: blur(5px);
          border-radius: 0 0 15px 15px;
        }

        header::before {
          content: '';
          position: absolute;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
          background: 
            radial-gradient(circle at 20% 30%, rgba(255, 0, 0, 0.1) 0%, transparent 40%),
            radial-gradient(circle at 80% 50%, rgba(255, 0, 0, 0.1) 0%, transparent 40%);
          z-index: -1;
        }

        /* ================ */
        /* LOGO EFFECTS (BLINK) */
        /* ================ */
        .logo {
          max-width: 180px;
          height: auto;
          margin: 0 auto;
          display: block;
          cursor: pointer;
          filter: drop-shadow(0 2px 8px rgba(255, 0, 0, 0.3));
          animation: blink 2s infinite;
        }

        .logo:hover {
          animation: blink 1s infinite;
        }

        @keyframes blink {
          0%, 100% {
            opacity: 1;
            filter: drop-shadow(0 0 5px rgba(255, 0, 0, 0.7));
          }
          50% {
            opacity: 0.8;
            filter: drop-shadow(0 0 15px rgba(255, 0, 0, 0.9));
          }
        }

        /* ================ */
        /* ANIMATED TITLE EFFECT */
        /* ================ */
        .animated-title {
          font-size: 2.2rem;
          margin: 20px 0;
          background: linear-gradient(to right, 
                      #ff0000, 
                      #ff4d4d, 
                      #ff9999, 
                      #ff4d4d, 
                      #ff0000);
          background-size: 200% auto;
          color: transparent;
          -webkit-background-clip: text;
          background-clip: text;
          text-shadow: 0 2px 8px rgba(255, 0, 0, 0.3);
          position: relative;
          display: inline-block;
          animation: shine 3s linear infinite, pulse 1.5s ease-in-out infinite;
          font-weight: 700;
          letter-spacing: 1px;
        }

        .animated-title::after {
          content: '';
          position: absolute;
          bottom: -8px;
          left: 50%;
          transform: translateX(-50%);
          width: 60%;
          height: 2px;
          background: linear-gradient(to right, 
                      transparent, 
                      var(--primary-color), 
                      transparent);
        }

        @keyframes shine {
          0% {
            background-position: 0% center;
          }
          100% {
            background-position: 200% center;
          }
        }

        @keyframes pulse {
          0%, 100% {
            transform: scale(1);
          }
          50% {
            transform: scale(1.05);
          }
        }

        /* ================ */
        /* MENU GRID        */
        /* ================ */
        .menu-row {
          display: flex;
          flex-wrap: wrap;
          justify-content: center;
          gap: 20px;
          margin-bottom: 20px;
        }

        .menu-grid {
          display: grid;
          grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
          gap: 20px;
          margin-bottom: 40px;
        }

        .menu-card {
          background-color: var(--card-bg);
          border-radius: 8px;
          padding: 20px;
          text-align: center;
          transition: all 0.3s ease;
          border: 1px solid var(--border-color);
          box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
          cursor: pointer;
          display: flex;
          flex-direction: column;
          justify-content: center;
          align-items: center;
          min-height: 250px;
          flex: 0 0 calc(33.333% - 20px);
          max-width: calc(33.333% - 20px);
          box-sizing: border-box;
        }

        .menu-card:hover {
          transform: translateY(-5px);
          box-shadow: 0 6px 12px rgba(255, 0, 0, 0.2);
        }

        .menu-card h2 {
          color: var(--primary-color);
          margin: 0 0 15px 0;
          font-size: 1.5rem;
          width: 100%;
        }

        .menu-card p {
          margin: 0 0 15px 0;
          width: 100%;
        }

        .menu-card img {
          margin: 0 auto 15px auto;
          display: block;
          max-width: 100%;
          height: auto;
        }

        /* ================ */
        /* BUTTONS          */
        /* ================ */
        .btn {
          display: inline-block;
          background-color: var(--primary-color);
          color: white;
          padding: 10px 20px;
          border-radius: 5px;
          text-decoration: none;
          font-weight: bold;
          transition: background-color 0.3s;
          border: none;
          cursor: pointer;
          margin: 0 auto;
          width: auto;
        }

        .btn:hover {
          background-color: #cc0000;
        }

        .back-btn {
          margin-top: 20px;
          display: block;
          margin-left: auto;
          margin-right: auto;
        }

        /* ================ */
        /* CONTENT PAGES    */
        /* ================ */
        .content-page {
          display: none;
          background-color: var(--card-bg);
          border-radius: 8px;
          padding: 30px;
          margin-top: 20px;
          border: 1px solid var(--border-color);
        }

        .content-page h2 {
          color: var(--primary-color);
          border-bottom: 1px solid var(--border-color);
          padding-bottom: 10px;
          margin-top: 0;
          text-align: center;
        }

        /* ================ */
        /* SUBMENU          */
        /* ================ */
        .submenu-grid {
          display: flex;
          flex-wrap: wrap;
          justify-content: center;
          gap: 15px;
          margin-top: 20px;
        }

        .submenu-card {
          background-color: var(--submenu-bg);
          border-radius: 6px;
          padding: 15px;
          text-align: center;
          transition: all 0.3s ease;
          border: 1px solid #444;
          cursor: pointer;
          display: flex;
          flex-direction: column;
          justify-content: center;
          align-items: center;
          min-height: 120px;
          flex: 0 0 calc(20% - 15px);
          max-width: calc(20% - 15px);
          box-sizing: border-box;
        }

        .submenu-card:hover {
          border-color: var(--primary-color);
          transform: translateY(-3px);
        }

        .submenu-card h3 {
          margin: 0 0 10px 0;
          color: var(--primary-color);
          font-size: 1.1rem;
          width: 100%;
        }

        /* Special 3-column grid */
        .submenu-grid.grid-3 {
          display: grid;
          grid-template-columns: repeat(3, 1fr);
          gap: 20px;
          margin-top: 20px;
        }

        .submenu-grid.grid-3 .submenu-card {
          flex: none;
          max-width: 100%;
        }

        /* ================ */
        /* IMAGE CONTAINERS */
        /* ================ */
        .image-container {
          margin: 15px 0;
          width: 100%;
        }

        .image-container img {
          max-width: 100%;
          height: auto;
          border-radius: 5px;
          border: 1px solid #444;
          display: block;
          margin: 0 auto;
        }

        /* ================ */
        /* MODAL            */
        /* ================ */
        #imageModal {
          display: none;
          position: fixed;
          z-index: 10000;
          left: 0;
          top: 0;
          width: 100%;
          height: 100%;
          background-color: rgba(0, 0, 0, 0.8);
          display: flex;
          align-items: center;
          justify-content: center;
          flex-direction: column;
          padding: 20px;
          box-sizing: border-box;
        }
        
        #copyOverlay, #copyNotification, #modalClose {
    display: none;
        }
        
        #imageModal img {
          max-width: 90%;
          max-height: 90%;
          border-radius: 8px;
          box-shadow: 0 0 20px rgba(255, 0, 0, 0.7);
          border: 2px solid var(--primary-color);
          position: relative;
        }

        #modalClose {
          position: absolute;
          top: 20px;
          right: 30px;
          color: white;
          font-size: 40px;
          font-weight: bold;
          cursor: pointer;
          user-select: none;
          transition: color 0.3s ease;
          z-index: 10001;
        }

        #modalClose:hover {
          color: var(--primary-color);
        }

        #copyOverlay {
          position: static;
          margin-top: 5px;
          background-color: var(--primary-color);
          color: white;
          padding: 6px 12px;
          font-weight: bold;
          border-radius: 5px;
          cursor: pointer;
          user-select: none;
          text-align: center;
          width: fit-content;
        }

        #copyNotification {
          margin-top: 5px;
          color: #0f0;
          font-weight: bold;
          text-align: center;
        }

        /* ================ */
        /* FOOTER           */
        /* ================ */
        footer {
          text-align: center;
          margin-top: 40px;
          padding-top: 20px;
          border-top: 1px solid var(--border-color);
          color: #888;
        }

        /* ================ */
        /* RESPONSIVE       */
        /* ================ */
        @media (max-width: 1200px) {
          .submenu-card {
            flex: 0 0 calc(25% - 15px);
            max-width: calc(25% - 15px);
          }
          
          .animated-title {
            font-size: 2rem;
          }
        }

        @media (max-width: 992px) {
          .submenu-card {
            flex: 0 0 calc(33.333% - 15px);
            max-width: calc(33.333% - 15px);
          }
          
          .submenu-grid.grid-3 {
            grid-template-columns: repeat(2, 1fr);
          }

          .menu-grid {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
          }

          .menu-card {
            min-height: 220px;
            flex: 0 0 calc(50% - 20px);
            max-width: calc(50% - 20px);
          }
          
          .animated-title {
            font-size: 1.8rem;
          }
        }

        @media (max-width: 768px) {
          .submenu-card {
            flex: 0 0 calc(50% - 15px);
            max-width: calc(50% - 15px);
          }

          .menu-grid {
            grid-template-columns: 1fr;
          }
          
          .animated-title {
            font-size: 1.6rem;
          }
          
          .logo {
            max-width: 150px;
          }
        }

        @media (max-width: 576px) {
          .submenu-card {
            flex: 0 0 100%;
            max-width: 100%;
          }
          
          .submenu-grid.grid-3 {
            grid-template-columns: 1fr;
          }

          .menu-card {
            min-height: 200px;
            flex: 0 0 100%;
            max-width: 100%;
          }
          
          .animated-title {
            font-size: 1.4rem;
          }
          
          .logo {
            max-width: 130px;
          }
        }