/* =========================================
           2. Layout & Container
           ========================================= */
        .integration-section {
            position: relative;
            width: 100%;
            max-width: 1024px; /* max-w-5xl */
            margin: 0 auto;
            overflow: hidden;
        }

        /* ================================a=========
           3. Axis Lines (Background Grid)
           ========================================= */
        .axis-line {
            position: absolute;
            background: var(--border-white-10);
            z-index: 1;
        }

        .axis-horizontal {
            top: 50%;
            left: -50%;
            right: -50%;
            height: 1px;
            transform: translateY(-50%);
            background: linear-gradient(to right, transparent, rgba(93,95,239,0.1), transparent);
        }

        .axis-vertical {
            left: 50%;
            top: -50%;
            bottom: -50%;
            width: 1px;
            transform: translateX(-50%);
            background: linear-gradient(to bottom, transparent, rgba(93,95,239,0.1), transparent);
        }

        /* =========================================
           4. Features Grid (Cards Container)
           ========================================= */
        .features-grid {
            position: relative;
            z-index: 10;
            display: grid;
            grid-template-columns: 1fr;
            gap: 8rem; /* gap-32 (32 * 0.25rem = 8rem = 128px) */
        }

        @media (min-width: 768px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* =========================================
           5. Feature Cards
           ========================================= */
        .feature-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            cursor: pointer;
            transition: transform 0.1s ease-out; /* For JS Tilt */
        }

        .feature-icon-wrapper {
            width: 4rem; /* w-16 */
            height: 4rem; /* h-16 */
            border-radius: 1rem; /* rounded-2xl */
            background-color: rgba(93, 95, 239, 0.1);
            border: 1px solid var(--border-white-10);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }

        .feature-icon-wrapper svg,
        .feature-icon-wrapper span {
            color: var(--color-primary-teal);
            transition: color 0.3s ease;
        }

        .feature-text {
            font-size: 0.875rem; /* text-sm */
            color: var(--color-text-secondary);
            max-width: 240px;
            line-height: 1.5;
        }

        /* Card Hover Effects */
        .feature-card:hover .feature-icon-wrapper {
            border-color: rgba(59, 130, 246, 0.5); /* border-blue-500/50 */
            box-shadow: 0 6px 32px rgb(1 4 233 / 20%);
            transform: translateY(-2px);
        }

        .feature-card:hover .feature-icon-wrapper svg,
        .feature-card:hover .feature-icon-wrapper span {
            color: var(--color-primary);
        }

        /* =========================================
           6. Center Hub (Pulse & Rays)
           ========================================= */
        .center-hub {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 20;
            pointer-events: none; /* Allows clicking cards beneath */
        }

        .hub-container {
            position: relative;
            width: 260px;
            height: 260px;
        }

        .absolute-center {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Pulsing Circles */
        .hub-circle {
            border-radius: 50%;
            animation: centerCirclePulse 5s linear infinite;
        }

        .hub-circle--1 { width: 14rem; height: 14rem; background-color: rgba(65, 18, 255, 0.15); animation-delay: -3.3s; }
        .hub-circle--2 { width: 10rem; height: 10rem; background-color: rgba(65, 18, 255, 0.30); animation-delay: -1.6s; }
        .hub-circle--3 { width: 6rem; height: 6rem; background-color: rgba(65, 18, 255, 0.55); animation-delay: 0s; }

        @keyframes centerCirclePulse {
            0% { opacity: 0; transform: scale(0.6); }
            15% { opacity: 0.9; }
            100% { opacity: 0; transform: scale(2.2); }
        }

        /* Rays */
        .hub-ray {
            position: absolute;
        }
        
        .ray-left {
            width: 3.5rem; height: 1px;
            left: 50%; top: 50%; transform: translate(-100%, -50%);
            background: linear-gradient(to left, rgba(62,18,255,0.8), rgba(62,18,255,0.6), transparent);
        }
        .ray-right {
            width: 3.5rem; height: 1px;
            right: 50%; top: 50%; transform: translate(100%, -50%);
            background: linear-gradient(to right, rgba(62,18,255,0.8), rgba(62,18,255,0.6), transparent);
        }
        .ray-top {
            height: 3.5rem; width: 1px;
            top: 50%; left: 50%; transform: translate(-50%, -100%);
            background: linear-gradient(to top, rgba(62,18,255,0.8), rgba(62,18,255,0.6), transparent);
        }
        .ray-bottom {
            height: 3.5rem; width: 1px;
            bottom: 50%; left: 50%; transform: translate(-50%, 100%);
            background: linear-gradient(to bottom, rgba(62,18,255,0.8), rgba(62,18,255,0.6), transparent);
        }

        /* Core Icon */
        .hub-core {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 4rem;
            height: 4rem;
            background-color: var(--color-primary);
            border-radius: 50%;
            box-shadow: 0 0 0 8px var(--ring-color), 0 0 40px rgba(37, 99, 235, 0.65);
            position: relative;
        }