:root {
            /* Theme: Enterprise Dark Mode */
            --bg-depth: #050507;
            --bg-surface: #0f1115;
            --bg-elevated: #181a20;
            
            /* Accents */
            --java-orange: #f89820; /* Official Java Orange vibe */
            --java-blue: #5382a1;   /* Official Java Blue vibe */
            --accent-electric: #3b82f6;
            --text-primary: #ffffff;
            --text-secondary: #9ca3af;
            --text-muted: #4b5563;
            
            --border-light: rgba(255, 255, 255, 0.08);
            --glow: 0 0 30px rgba(59, 130, 246, 0.15);

            --font-head: 'Unbounded', sans-serif;
            --font-body: 'Inter', sans-serif;
            --font-mono: 'Fira Code', monospace;
        }

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

        body {
            background-color: var(--bg-depth);
            color: var(--text-primary);
            font-family: var(--font-body);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* --- Ambient Background --- */
        .noise-overlay {
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0naHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmcnIHdpZHRoPScxMDAlJyBoZWlnaHQ9JzEwMCUnPjxmaWx0ZXIgaWQ9J24nPjxmZVR1cmJ1bGVuY2UgdHlwZT0nZnJhY3RhbE5vaXNlJyBiYXNlRnJlcXVlbmN5PScwLjUnIHN0aXRjaFRpbGVzPSdzdGl0Y2gnLz48L2ZpbHRlcj48cmVjdCB3aWR0aD0nMTAwJScgaGVpZ2h0PScxMDAlJyBmaWxsPSd0cmFuc3BhcmVudCcvPjxyZWN0IHdpZHRoPScxMDAlJyBoZWlnaHQ9JzEwMCUnIGZpbHRlcj0idXJsKCNuKSIgb3BhY2l0eT0iMC4wNSIvPjwvc3ZnPg==');
            opacity: 0.4;
            pointer-events: none;
            z-index: 0;
        }

        .gradient-blob {
            position: fixed;
            width: 80vw;
            height: 80vw;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
            top: -40vw;
            left: 50%;
            transform: translateX(-50%);
            z-index: -1;
        }

        /* --- Container --- */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        /* --- Header --- */
        header {
            padding: 120px 0 80px;
            text-align: center;
        }

        h1 {
            font-family: var(--font-head);
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #fff 30%, var(--text-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .highlight {
            color: var(--java-orange);
            -webkit-text-fill-color: var(--java-orange);
        }

        .intro-text {
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 40px;
            color: var(--text-secondary);
        }

        .seo-context {
            background: rgba(255,255,255,0.02);
            border: 1px solid var(--border-light);
            padding: 20px;
            border-radius: 12px;
            font-size: 0.9rem;
            color: #767e89;
            margin-bottom: 60px;
            text-align: left;
        }

        /* --- Grid Layout --- */
        .course-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            padding-bottom: 100px;
        }

        /* --- Card Design --- */
        .card {
            background: var(--bg-surface);
            border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 2rem;
            display: grid;
            grid-template-columns: 200px 1fr auto;
            gap: 40px;
            align-items: start;
            transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        @media (max-width: 1024px) {
            .card {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .card:hover {
            transform: translateY(-4px);
            border-color: var(--java-blue);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 4px; height: 100%;
            background: var(--border-light);
            transition: background 0.3s;
        }

        .card:hover::before {
            background: var(--java-orange);
        }

        /* School Info */
        .school-block {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .school-name {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--java-blue);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
        }

        .course-title {
            font-family: var(--font-head);
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 15px;
        }

        /* Content & Features */
        .features {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 10px;
            margin-top: 15px;
        }

        .features li {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
        }

        .features li::before {
            content: '>';
            margin-right: 8px;
            color: var(--java-orange);
        }

        .description {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        /* Price & CTA */
        .action-block {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            justify-content: space-between;
            min-width: 200px;
            height: 100%;
        }

        @media (max-width: 1024px) {
            .action-block {
                flex-direction: row;
                align-items: center;
                width: 100%;
                border-top: 1px solid var(--border-light);
                padding-top: 20px;
            }
        }

        @media (max-width: 500px) {
            .action-block { flex-direction: column; align-items: flex-start; gap: 20px;}
            .btn { width: 100%; }
        }

        .price-wrap {
            text-align: right;
        }
        @media (max-width: 1024px) { .price-wrap { text-align: left; } }

        .price {
            font-family: var(--font-head);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
        }

        .price-note {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .btn {
            display: inline-block;
            padding: 14px 28px;
            background: #fff;
            color: #000;
            font-family: var(--font-head);
            font-weight: 700;
            text-decoration: none;
            border-radius: 8px;
            font-size: 0.9rem;
            transition: all 0.2s;
            border: 2px solid #fff;
            text-align: center;
        }

        .btn:hover {
            background: transparent;
            color: #fff;
        }

        /* --- Tags --- */
        .tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.05);
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 15px;
            border: 1px solid var(--border-light);
        }

        .tag.hot { border-color: var(--java-orange); color: var(--java-orange); }
        .tag.cool { border-color: var(--java-blue); color: var(--java-blue); }

        /* --- Footer --- */
        footer {
            text-align: center;
            padding: 60px 20px;
            border-top: 1px solid var(--border-light);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Scroll Reveal Animation */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
        }
        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }
		
		.faq-item {
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 15px;
        }

        details {
            cursor: pointer;
            transition: all 0.3s ease;
            background: rgba(255,255,255,0.02);
            border-radius: 8px;
        }

        details[open] {
            background: rgba(255,255,255,0.05);
        }

        summary {
            padding: 20px;
            font-family: var(--font-head);
            font-weight: 500;
            font-size: 1rem;
            color: #fff;
            list-style: none;
            position: relative;
        }

        summary::-webkit-details-marker {
            display: none;
        }

        summary::after {
            content: '+';
            position: absolute;
            right: 20px;
            color: var(--java-orange);
            font-weight: 700;
            font-size: 1.2rem;
            transition: transform 0.3s;
        }

        details[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-content {
            padding: 0 20px 20px 20px;
            color: var(--text-secondary);
            font-family: var(--font-body);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .description { columns: 1 !important; }
        }