:root {
            --bg-dark: #080d1a;
            --card-dark: rgba(15, 23, 42, 0.75);
            --aseo-emerald: #059669;
            --aseo-cyan: #06b6d4;
            --aseo-yellow: #f59e0b;
            --tech-blue: #0284c7;
            --tech-cyan: #38bdf8;
            --tech-indigo: #6366f1;
            --text-light: #f8fafc;
            --text-muted: #94a3b8;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-light);
            min-height: 100vh;
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
            position: relative;
        }

        /* Canvas Particle Background */
        #bgCanvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            pointer-events: none;
        }

        /* Main Container */
        .portal-wrapper {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            padding: 20px;
        }

        /* Top Brand Header */
        .portal-header {
            text-align: center;
            padding: 20px 0 10px 0;
        }

        .brand-badge {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(12px);
            border-radius: 50px;
            padding: 6px 22px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .brand-logo-text {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .brand-logo-text span {
            color: var(--tech-cyan);
            -webkit-text-fill-color: var(--tech-cyan);
        }

        .url-badge {
            font-family: 'Fira Code', monospace;
            background: rgba(6, 182, 212, 0.15);
            color: var(--aseo-cyan);
            border: 1px solid rgba(6, 182, 212, 0.3);
            border-radius: 20px;
            padding: 3px 12px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* Split Screen Hub */
        .split-container {
            display: flex;
            flex: 1;
            gap: 25px;
            align-items: center;
            justify-content: center;
            max-width: 1350px;
            width: 100%;
            margin: 0 auto;
            padding: 20px 0;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .portal-card {
            flex: 1;
            background: var(--card-dark);
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(20px);
            padding: 35px;
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            overflow: hidden;
            transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
            cursor: pointer;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            min-height: 580px;
            text-decoration: none;
            color: inherit;
        }

        /* Ambient Glow Highlights */
        .portal-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            opacity: 0.15;
            transition: opacity 0.5s ease;
            pointer-events: none;
        }

        .card-aseo::before {
            background: radial-gradient(circle at center, var(--aseo-cyan) 0%, transparent 60%);
        }

        .card-tech::before {
            background: radial-gradient(circle at center, var(--tech-indigo) 0%, transparent 60%);
        }

        .portal-card:hover {
            transform: translateY(-8px) scale(1.02);
            flex: 1.2;
            color: inherit;
        }

        .split-container:has(.portal-card:hover) .portal-card:not(:hover) {
            opacity: 0.5;
            transform: scale(0.97);
            filter: blur(1px);
        }

        .card-aseo:hover {
            border-color: rgba(6, 182, 212, 0.6);
            box-shadow: 0 25px 60px rgba(6, 182, 212, 0.25);
        }

        .card-tech:hover {
            border-color: rgba(56, 189, 248, 0.6);
            box-shadow: 0 25px 60px rgba(56, 189, 248, 0.25);
        }

        /* Character Visual Section */
        .character-stage {
            width: 100%;
            height: 270px;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
            margin-bottom: 20px;
        }

        .character-img {
            max-height: 260px;
            width: auto;
            object-fit: contain;
            filter: drop-shadow(0 15px 25px rgba(0,0,0,0.6));
            transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .portal-card:hover .character-img {
            transform: scale(1.08) translateY(-6px);
        }

        .badge-category {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .badge-aseo {
            background: rgba(16, 185, 129, 0.15);
            color: #34d399;
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .badge-tech {
            background: rgba(56, 189, 248, 0.15);
            color: #7dd3fc;
            border: 1px solid rgba(56, 189, 248, 0.3);
        }

        .card-title {
            font-size: 1.8rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 10px;
        }

        .card-desc {
            color: var(--text-muted);
            text-align: center;
            font-size: 0.95rem;
            margin-bottom: 20px;
            line-height: 1.5;
            max-width: 90%;
        }

        /* Feature Pills */
        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-bottom: 25px;
        }

        .tag {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 5px 12px;
            font-size: 0.8rem;
            color: #cbd5e1;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .tag i {
            font-size: 0.75rem;
        }

        /* Buttons */
        .btn-portal {
            width: 100%;
            padding: 14px 24px;
            border-radius: 14px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            transition: all 0.3s ease;
            margin-top: auto;
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
            text-decoration: none;
        }

        .btn-aseo {
            background: linear-gradient(135deg, var(--aseo-emerald) 0%, var(--aseo-cyan) 100%);
            color: #ffffff;
        }

        .btn-aseo:hover {
            box-shadow: 0 10px 25px rgba(6, 182, 212, 0.4);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-tech {
            background: linear-gradient(135deg, var(--tech-blue) 0%, var(--tech-indigo) 100%);
            color: #ffffff;
        }

        .btn-tech:hover {
            box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
            transform: translateY(-2px);
            color: #ffffff;
        }

        /* Footer */
        .portal-footer {
            text-align: center;
            padding: 15px;
            color: var(--text-muted);
            font-size: 0.85rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: auto;
        }

        /* Responsive Breakpoints */
        @media (max-width: 992px) {
            .split-container {
                flex-direction: column;
            }

            .portal-card {
                width: 100%;
                min-height: auto;
            }

            .split-container:has(.portal-card:hover) .portal-card:not(:hover) {
                opacity: 1;
                transform: none;
                filter: none;
            }

            .brand-logo-text {
                font-size: 1.8rem;
            }
        }