/* ═══════════════════ 1. DESIGN TOKENS ═══════════════════ */
        :root {
            --purple-deep: #330066;
            --purple-vibrant: #7C5AED;
            
            --bg-primary: #1a0a2e;
            --bg-secondary: rgba(51, 0, 102, 0.4);
            --bg-tertiary: rgba(51, 0, 102, 0.25);
            
            --text-primary: #ffffff;
            --text-secondary: rgba(255, 255, 255, 0.7);
            --text-tertiary: rgba(255, 255, 255, 0.5);
            
            --grad-accent: linear-gradient(135deg, #7C5AED 0%, #9d7ef5 100%);
            --grad-text: linear-gradient(135deg, #ffffff 0%, #b8a5f5 100%);
            
            --border: rgba(124, 90, 237, 0.2);
            --border-hover: rgba(124, 90, 237, 0.4);
            
            --font-display: 'Plus Jakarta Sans', sans-serif;
            --font-body: 'Inter', system-ui, sans-serif;
            
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2rem;
            --space-xl: 3rem;
            --space-2xl: 4rem;
            --space-3xl: 6rem;
            --space-4xl: 8rem;
            
            --container: 1200px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            
            --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
            --transition-base: 250ms var(--ease-out);
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; }

        /* ═══════════════════ 2. BACKGROUND ═══════════════════ */
        .ambient-bg {
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            overflow: hidden;
            background: radial-gradient(ellipse at top, #2d0b52 0%, #1a0a2e 50%);
        }

        .ambient-glow {
            position: absolute;
            border-radius: 50%;
            filter: blur(120px);
        }

        .ag-1 {
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(124, 90, 237, 0.4) 0%, transparent 70%);
            top: -200px;
            right: -100px;
            opacity: 0.6;
            animation: float 20s ease-in-out infinite;
        }

        .ag-2 {
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(51, 0, 102, 0.6) 0%, transparent 70%);
            bottom: 10%;
            left: -100px;
            filter: blur(100px);
            animation: float 25s ease-in-out infinite reverse;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) scale(1); }
            50% { transform: translate(30px, -30px) scale(1.1); }
        }

        .grid-pattern {
            position: fixed;
            inset: 0;
            z-index: -1;
            opacity: 0.03;
            background-image: 
                linear-gradient(rgba(124, 90, 237, 0.5) 1px, transparent 1px),
                linear-gradient(90deg, rgba(124, 90, 237, 0.5) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
        }

        /* ═══════════════════ 3. LAYOUT ═══════════════════ */
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        section { padding: var(--space-4xl) 0; position: relative; }

        .text-display {
            font-family: var(--font-display);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .text-gradient {
            background: var(--grad-text);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* ═══════════════════ 5. BUTTONS ═══════════════════ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: var(--space-xs);
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-md);
            font-family: var(--font-body);
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--grad-accent);
            color: #ffffff;
            box-shadow: 0 4px 20px rgba(124, 90, 237, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(124, 90, 237, 0.5);
        }

        .btn-secondary {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            background: var(--bg-secondary);
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }

        .btn-lg { padding: 1rem 2rem; font-size: 1rem; }

        /* ═══════════════════ 6. HERO - LAUNCH ANNOUNCEMENT ═══════════════════ */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: clamp(7rem, 10vw, 9rem);
            padding-bottom: var(--space-3xl);
        }

        .hero-content { max-width: 800px; }

        .launch-badge {
            display: inline-flex;
            align-items: center;
            gap: var(--space-xs);
            padding: var(--space-xs) var(--space-md);
            background: rgba(124, 90, 237, 0.15);
            border: 1px solid rgba(124, 90, 237, 0.3);
            border-radius: 99px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--purple-vibrant);
            margin-bottom: var(--space-lg);
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(124, 90, 237, 0.4); }
            50% { box-shadow: 0 0 0 8px rgba(124, 90, 237, 0); }
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            margin-bottom: var(--space-lg);
            line-height: 1.05;
        }

        .hero-line-primary {
            display: inline-block;
            white-space: nowrap;
        }

        .hero-location {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: var(--space-xl);
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }

        .hero-location::before {
            content: '📍';
            font-size: 1.1rem;
        }

        .hero-cta {
            display: flex;
            gap: var(--space-md);
            flex-wrap: wrap;
            margin-bottom: var(--space-3xl);
        }

        /* ═══════════════════ 7. GLOBAL STATS ═══════════════════ */
        .global-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-lg);
            padding: var(--space-xl) 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .global-stat {
            text-align: center;
        }

        .global-stat-value {
            font-family: var(--font-display);
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1;
            margin-bottom: var(--space-xs);
        }

        .global-stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ═══════════════════ 8. WHAT IS CLOUD CLUBS ═══════════════════ */
        .about-section { background: rgba(51, 0, 102, 0.2); }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-3xl);
            align-items: center;
        }

        .about-content h2 {
            font-size: clamp(2rem, 4vw, 2.75rem);
            margin-bottom: var(--space-lg);
            line-height: 1.15;
        }

        .about-content > p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: var(--space-xl);
        }

        .focus-areas {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }

        .focus-tag {
            padding: var(--space-xs) var(--space-md);
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: 99px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .focus-tag:hover {
            border-color: var(--purple-vibrant);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        .about-visual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-md);
        }

        .stat-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            text-align: center;
            transition: var(--transition-base);
        }

        .stat-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
        }

        .stat-card-value {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--purple-vibrant);
            line-height: 1;
            margin-bottom: var(--space-xs);
        }

        .stat-card-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* ═══════════════════ 9. STUDENT BENEFITS ═══════════════════ */
        .section-header {
            max-width: 640px;
            margin-bottom: var(--space-3xl);
        }

        .section-header.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            color: var(--purple-vibrant);
            margin-bottom: var(--space-sm);
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 3rem);
            margin-bottom: var(--space-md);
            line-height: 1.15;
        }

        .section-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-md);
        }

        .benefit-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            transition: var(--transition-base);
        }

        .benefit-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-4px);
            background: rgba(51, 0, 102, 0.5);
        }

        .benefit-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 1.5rem;
            margin-bottom: var(--space-md);
            transition: var(--transition-base);
        }

        .benefit-card:hover .benefit-icon {
            background: rgba(124, 90, 237, 0.15);
            border-color: var(--purple-vibrant);
            transform: scale(1.1);
        }

        .benefit-card h3 {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
        }

        .benefit-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ═══════════════════ 10. SPONSOR BENEFITS ═══════════════════ */
        .sponsor-section { background: rgba(51, 0, 102, 0.2); }

        .sponsor-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-md);
            margin-bottom: var(--space-2xl);
        }

        .sponsor-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            transition: var(--transition-base);
        }

        .sponsor-card:hover {
            border-color: var(--purple-vibrant);
            background: rgba(124, 90, 237, 0.1);
            transform: translateY(-4px);
        }

        .sponsor-number {
            font-family: var(--font-display);
            font-size: 3rem;
            font-weight: 800;
            color: var(--purple-vibrant);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: var(--space-sm);
        }

        .sponsor-card h3 {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
            color: var(--text-primary);
        }

        .sponsor-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .sponsor-cta {
            text-align: center;
            padding: var(--space-2xl);
            background: var(--bg-secondary);
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
        }

        .sponsor-cta p {
            color: var(--text-secondary);
            margin-bottom: var(--space-md);
        }

        /* ═══════════════════ 11. FINAL CTA ═══════════════════ */
        .cta-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: var(--space-3xl) var(--space-xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 200px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--purple-vibrant), transparent);
        }

        .cta-card::after {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(124, 90, 237, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            margin-bottom: var(--space-md);
        }

        .cta-desc {
            color: var(--text-secondary);
            margin-bottom: var(--space-xl);
            font-size: 1.1rem;
            line-height: 1.7;
        }

        /* ═══════════════════ 12. FOOTER ═══════════════════ */
        .footer {
            border-top: 1px solid var(--border);
            padding: var(--space-2xl) 0;
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--space-lg);
            text-align: center;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: var(--space-md);
        }

        .footer-brand img { height: 24px; opacity: 0.9; }

        .footer-divider {
            width: 1px;
            height: 24px;
            background: var(--border);
        }

        .footer-links {
            display: flex;
            gap: var(--space-lg);
            flex-wrap: wrap;
            justify-content: center;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-links a:hover { color: var(--text-primary); }

        .footer-copy {
            font-size: 0.8rem;
            color: var(--text-tertiary);
        }

        /* ═══════════════════ 13. ANIMATIONS ═══════════════════ */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .delay-1 { transition-delay: 0.1s; }
        .delay-2 { transition-delay: 0.2s; }
        .delay-3 { transition-delay: 0.3s; }

        /* ═══════════════════ 14. RESPONSIVE ═══════════════════ */
        @media (max-width: 768px) {
            .hero {
                padding-top: 4.75rem;
                padding-bottom: var(--space-2xl);
            }

            .hero h1 {
                font-size: clamp(2.15rem, 9vw, 3.15rem);
                margin-bottom: var(--space-md);
            }

            .hero-line-primary {
                font-size: 1em;
                letter-spacing: -0.04em;
            }

            .hero-location {
                font-size: 1rem;
                margin-bottom: var(--space-lg);
            }

            .hero-cta {
                margin-bottom: var(--space-2xl);
            }

            .about-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
            
            .about-visual { grid-template-columns: 1fr; }
            
            .global-stats {
                grid-template-columns: repeat(3, minmax(0, 1fr));
                gap: 0.5rem;
                padding: var(--space-md) 0;
            }

            .global-stat-value {
                font-size: clamp(1.4rem, 6vw, 2rem);
            }

            .global-stat-label {
                font-size: 0.78rem;
            }
            
            section { padding: var(--space-3xl) 0; }
        }
