/* --- BASE STYLES --- */
        body {
            font-family: 'Inter', sans-serif;
            background-color: #0a0a0a;
            color: #e2e8f0;
        }

        html {
            scroll-behavior: smooth;
        }

        /* --- NOISE OVERLAY --- */
        .noise-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 5;
            opacity: 0.05;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
        }

        /* --- GRADIENT UTILITIES --- */
        .gradient-bg {
            background: radial-gradient(circle at top left, rgba(13, 37, 63, 0.8), transparent 45%),
                        radial-gradient(circle at bottom right, rgba(59, 17, 81, 0.7), transparent 45%),
                        #0a0a0a;
        }

        .gradient-text {
            background: linear-gradient(135deg, #a855f7 0%, #3b82f6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .gold-gradient-text {
            background: linear-gradient(135deg, #fbbf24 0%, #d97706 50%, #b45309 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-title {
            background: -webkit-linear-gradient(45deg, #a855f7, #60a5fa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* --- GLASS PANEL --- */
        .glass-panel {
            background-color: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .glass-panel:hover {
            border-color: rgba(168, 85, 247, 0.3);
            transform: translateY(-5px);
        }

        /* --- CARD STYLES --- */
        .card {
            background-color: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .card:hover {
            transform: translateY(-8px);
            background-color: rgba(255, 255, 255, 0.05);
            border-color: rgba(168, 85, 247, 0.5);
        }

        .event-card {
            background-color: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .event-card:hover {
            transform: translateY(-8px);
            background-color: rgba(255, 255, 255, 0.05);
            border-color: #a855f7;
        }

        .event-card.disabled {
            opacity: 0.5;
            filter: grayscale(80%);
            transform: none;
            border-color: rgba(255, 255, 255, 0.1);
            cursor: not-allowed;
        }

        .glow-bg {
            background: radial-gradient(circle at center, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
        }

        /* --- CHECK LIST --- */
        .check-list li {
            display: flex;
            align-items: start;
            gap: 12px;
            margin-bottom: 12px;
            color: #94a3b8;
        }
        
        .check-list i {
            color: #a855f7;
            font-size: 1.25rem;
            margin-top: 2px;
        }

        /* --- WINNER & MEDIA CARDS --- */
        .winner-card {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .winner-card:hover {
            transform: translateY(-8px);
            border-color: #a855f7;
            box-shadow: 0 10px 30px rgba(168, 85, 247, 0.1);
        }

        .media-card {
            background-color: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .media-card:hover {
            background-color: rgba(255, 255, 255, 0.05);
            border-color: rgba(168, 85, 247, 0.5);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.1rem;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: #a855f7;
            border: 3px solid #0a0a0a;
            box-shadow: 0 0 0 4px #a855f7;
        }

/* --- GLOBAL & THEME --- */
        :root {
            --color-background: #101014; /* Slightly deeper dark */
            --color-surface: #1C1C22;   /* Slightly deeper surface */
            --color-primary: #8A2BE2;   /* Vibrant Purple */
            --color-accent: #39FF14;    /* Neon Green */
            --color-text-primary: #F0F0F0;
            --color-text-secondary: #A0A0A0;
            --border-radius: 12px;
            /* Using Inter font */
            --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
        }

        /* --- PAGE HEADER --- */
        .sponsor-header {
            text-align: center;
            margin-bottom: 60px;
            padding-top: 20px;
        }

        .sponsor-header h1 {
            font-size: 3rem;
            margin-bottom: 16px;
            /* Adding a subtle gradient text for a premium feel */
            background: -webkit-linear-gradient(45deg, #FFFFFF, #D0D0D0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .sponsor-header p {
            font-size: 1.25rem;
            color: var(--color-text-secondary);
            max-width: 700px;
            margin: 0 auto 24px auto;
        }
 
        .sponsor-header .cta-button-main {
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            color: #fff;
            background-color: var(--color-primary);
            padding: 14px 28px;
            border-radius: var(--border-radius);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            display: inline-block;
        }

        .sponsor-header .cta-button-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(138, 43, 226, 0.3);
        }

        /* --- TIER 1: PRESENTER --- */
        .tier-presenter {
            /* Using a subtle gradient border for a premium feel */
            background: linear-gradient(var(--color-surface), var(--color-surface)) padding-box,
                        linear-gradient(135deg, rgba(138, 43, 226, 0.7), rgba(255, 255, 255, 0.1)) border-box;
            border: 1px solid transparent;
            border-radius: calc(var(--border-radius) + 1px);
            padding: 40px;
            margin-bottom: 60px;
        }

        .tier-presenter .tier-title {
            color: var(--color-primary);
            font-size: 1.25rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 24px;
            text-align: center;
        }

        .presenter-content {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .presenter-logo {
            max-width: 400px;
            height: auto;
            margin: 0 auto 20px auto;
            display: block;
        }

        .presenter-video {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
            height: 0;
            overflow: hidden;
            border-radius: var(--border-radius);
            background: #000;
        }

        .presenter-video iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
        }

        .presenter-details {
            text-align: center;
        }

        .presenter-details h2 {
            font-size: 2.5rem;
            margin-bottom: 16px;
        }

        .presenter-details .cta-button {
            display: inline-block;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            color: #fff;
            background-color: var(--color-primary);
            padding: 16px 32px;
            border-radius: var(--border-radius);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            margin-top: 24px;
        }

        .presenter-details .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(138, 43, 226, 0.3);
        }

        /* --- TIER 2: DEDICATED PARTNER --- */
        .tier-dedicated .tier-title,
        .tier-supporting .tier-title {
            font-size: 2rem;
            font-weight: 700;
            border-bottom: 2px solid var(--color-primary);
            padding-bottom: 12px;
            margin-bottom: 40px;
            display: inline-block;
        }

        .dedicated-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .dedicated-card {
            display: flex;
            flex-direction: row;
            gap: 30px;
            background-color: var(--color-surface);
            border-radius: var(--border-radius);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .dedicated-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            border-color: rgba(138, 43, 226, 0.5);
        }

        .dedicated-media {
            flex-basis: 50%;
            min-height: 300px;
            /* Changed background to white */
            background-color: #FFFFFF;
            /* Removed background image properties */
            position: relative;
            /* Added flex properties to center the new logo */
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            cursor: pointer;
        }
        
        /* NEW rule for the logo inside the media block */
        .dedicated-media-logo {
            max-width: 80%;
            max-height: 80%;
            object-fit: contain;
        }

        /* NEW: Make media-blocks without video non-clickable */
        .dedicated-media:not([data-video-src]) {
            cursor: default;
        }

        /* This simulates a "click to play" modal trigger */
        .dedicated-media .play-button {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background: rgba(138, 43, 226, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
            box-shadow: 0 0 20px rgba(138, 43, 226, 0.5);
        }
        
        .dedicated-media .play-button::after {
            content: '';
            display: block;
            width: 0;
            height: 0;
            border-top: 15px solid transparent;
            border-bottom: 15px solid transparent;
            border-left: 25px solid #fff;
            margin-left: 5px;
        }
        
        .dedicated-card:hover .play-button {
            transform: translate(-50%, -50%) scale(1.1);
        }

        .dedicated-details {
            flex-basis: 50%;
            padding: 30px;
            display: flex;
            flex-direction: column;
        }

        .dedicated-details .logo {
            /* This rule is no longer used, but we'll leave it */
            max-width: 200px;
            max-height: 80px;
            object-fit: contain;
            margin-bottom: 20px;
            align-self: flex-start;
            /* Invert logo if it's dark on a white background for dark mode */
            /* filter: invert(1) brightness(2); */ 
        }

        .dedicated-details h3 {
            font-size: 1.75rem;
            margin-bottom: 12px;
        }

        .dedicated-details p {
            flex-grow: 1; /* Pushes CTA to bottom */
            margin-bottom: 20px; /* Add margin to separate from new social links */
        }

        .dedicated-details .social-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px; /* Space before the CTA button */
        }
        
        .dedicated-details .social-links a {
            color: var(--color-text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 8px 12px;
            border: 1px solid var(--color-text-secondary);
            border-radius: var(--border-radius);
            transition: all 0.2s ease;
        }
        
        .dedicated-details .social-links a:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            transform: scale(1.05);
        }

        .dedicated-details .cta-button {
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            color: var(--color-primary);
            background-color: transparent;
            padding: 12px 24px;
            border-radius: var(--border-radius);
            border: 2px solid var(--color-primary);
            transition: all 0.2s ease;
            margin-top: auto; /* Pushes button to the bottom of the card */
            align-self: flex-start;
            text-align: center;
        }

        .dedicated-details .cta-button:hover {
            background-color: var(--color-primary);
            color: #fff;
        }

        /* --- TIER 3: SUPPORTING PARTNER --- */
        .tier-supporting .tier-title {
            margin-bottom: 40px;
        }

        .supporting-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 60px;
        }

        .supporting-card {
            background-color: var(--color-surface);
            border-radius: var(--border-radius);
            padding: 24px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
        }

        .supporting-card:hover {
            transform: translateY(-5px);
            border-color: rgba(138, 43, 226, 0.3);
        }

        .supporting-card .logo {
            width: 100%;
            max-height: 90px;
            object-fit: contain;
            margin-bottom: 20px;
             /* Invert logo if it's dark on a white background for dark mode */
            /* filter: invert(1) brightness(2); */ 
        }
        
        .supporting-card p {
            font-size: 0.9rem;
            margin-bottom: 20px;
            min-height: 60px; /* Gives a uniform look */
            color: var(--color-text-secondary);
        }

        .supporting-card .cta-link {
            font-weight: 600;
            text-decoration: none;
            color: var(--color-primary);
        }
        
        .supporting-card .cta-link:hover {
            text-decoration: underline;
        }

        /* --- RESPONSIVE DESIGN --- */
        @media (max-width: 992px) {
            .dedicated-card {
                flex-direction: column;
            }
            .dedicated-media {
                flex-basis: 300px; /* Fixed height for media on mobile */
            }
            .dedicated-details {
                flex-basis: auto;
            }
            .supporting-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .site-nav {
                display: none; /* Hide nav links on mobile */
            }
            .mobile-nav-toggle {
                display: block; /* Show hamburger icon */
            }

            .presenter-details {
                text-align: center;
            }
            .presenter-logo {
                margin: 0 auto 20px auto;
                max-width: 300px;
            }
            .presenter-details h2 {
                font-size: 2rem;
            }

            .footer-container {
                grid-template-columns: 1fr 1fr;
            }
            .footer-about {
                grid-column: 1 / -1; /* Span full width */
            }
        }
        
        @media (max-width: 576px) {
            .sponsor-header h1 {
                font-size: 2.2rem;
            }
            .sponsor-header p {
                font-size: 1rem;
            }
            .tier-presenter {
                padding: 20px;
            }
            .dedicated-details {
                padding: 24px;
            }
            .supporting-grid {
                grid-template-columns: 1fr;
            }

            .footer-container {
                grid-template-columns: 1fr;
            }
        }

        /* --- VIDEO MODAL --- */
        .video-modal {
            display: none; /* Hidden by default */
            position: fixed;
            z-index: 200;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
            align-items: center;
            justify-content: center;
        }

        .video-modal.active {
            display: flex;
        }

        .video-modal-content {
            position: relative;
            background-color: #000;
            margin: auto;
            padding: 0;
            width: 90%;
            max-width: 960px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border-radius: var(--border-radius);
        }

        .video-modal-close {
            color: #fff;
            position: absolute;
            top: -40px;
            right: 0px;
            font-size: 3rem;
            font-weight: bold;
            transition: color 0.2s ease;
            cursor: pointer;
            line-height: 1;
        }

        .video-modal-close:hover {
            color: var(--color-primary);
        }

        .video-container {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 */
            height: 0;
            overflow: hidden;
        }
        
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: 0;
            border-radius: var(--border-radius);
        }