:root {
            --primary: #00f2fe;
            --secondary: #4facfe;
            --accent: #ff0055;
            --bg-dark: #0b0f19;
            --bg-card: rgba(255, 255, 255, 0.03);
            --glass-border: rgba(255, 255, 255, 0.08);
            --text-main: #f8fafc;
            --text-muted: #94a3b8;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-main);
            overflow-x: hidden;
            line-height: 1.6;
        }

        h1, h2, h3, .mono {
            font-family: 'Space Mono', monospace;
        }

        nav {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 1.2rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(11, 15, 25, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 1000;
            border-bottom: 1px solid var(--glass-border);
            transition: all 0.3s ease;
        }

        .logo-placeholder {
            display: flex;
            align-items: center;
            gap: 15px;
            font-weight: 800;
            font-size: clamp(1rem, 2vw, 1.2rem);
        }

        .logo-box {
            width: 60px;
            height: 60px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #000;
            font-size: 0.8rem;
            background-image: url(images/i.webp);
            background-size: cover;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
        }

        .nav-links a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .menu-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }
        
        .menu-btn svg {
            fill: var(--text-main);
            width: 30px;
            height: 30px;
        }

        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 100px 5%;
            background-color: var(--bg-dark);
            background-image: 
                radial-gradient(circle at 15% 50%, rgba(0, 242, 254, 0.15), transparent 25%),
                radial-gradient(circle at 85% 30%, rgba(255, 0, 85, 0.1), transparent 25%);
        }

        .hero-bg {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background-image: url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?q=80&w=2070&auto=format&fit=crop');
            background-position: center;
            background-size: cover;
            background-attachment: fixed;
            opacity: 0.2;
            z-index: -1;
        }

        .hero-content {
            max-width: 900px;
            z-index: 1;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 5rem);
            margin-bottom: 1.5rem;
            line-height: 1.1;
            background: linear-gradient(to right, var(--text-main), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: clamp(1rem, 2vw, 1.25rem);
            margin-bottom: 2.5rem;
            color: var(--text-muted);
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            padding: 1rem 2.5rem;
            border: none;
            border-radius: 50px;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: #000;
            font-family: 'Space Mono', monospace;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            text-decoration: none;
            transition: transform 0.3s, box-shadow 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 242, 254, 0.3);
        }

        section {
            padding: 6rem 5%;
            position: relative;
        }

        .section-title {
            text-align: center;
            font-size: clamp(2rem, 4vw, 3rem);
            margin-bottom: 4rem;
        }

        .about-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            padding: 2.5rem;
            border-radius: 20px;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .glass-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .glass-card svg {
            width: 45px;
            height: 45px;
            fill: var(--primary);
            margin-bottom: 1.5rem;
        }

        .glass-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .platforms {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .platforms svg {
            width: 30px;
            height: 30px;
            margin: 0;
            fill: #fff;
        }

        .timeline {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }

        .timeline::before {
            content: '';
            position: absolute;
            width: 2px;
            background: var(--glass-border);
            top: 0; bottom: 0; left: 50%;
            transform: translateX(-50%);
        }

        .timeline-item {
            margin-bottom: 3rem;
            position: relative;
            width: 50%;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            padding-right: 3rem;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            padding-left: 3rem;
        }

        .timeline-dot {
            position: absolute;
            width: 16px;
            height: 16px;
            background: var(--primary);
            border-radius: 50%;
            top: 5px;
            box-shadow: 0 0 15px var(--primary);
            z-index: 2;
        }

        .timeline-item:nth-child(odd) .timeline-dot { right: -8px; }
        .timeline-item:nth-child(even) .timeline-dot { left: -8px; }

        .timeline-date {
            color: var(--primary);
            font-family: 'Space Mono', monospace;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .register-container {
            max-width: 600px;
            margin: 0 auto;
        }

        .form-group {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            font-family: 'Space Mono', monospace;
        }

        .form-group input {
            width: 100%;
            padding: 1rem 1.2rem;
            background: rgba(0, 0, 0, 0.4);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            color: var(--text-main);
            font-family: 'Montserrat', sans-serif;
            font-size: 1rem;
            outline: none;
            transition: all 0.3s;
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
        }

        .form-group input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
            background: rgba(0, 0, 0, 0.6);
        }

        .submit-btn {
            width: 100%;
            justify-content: center;
            margin-top: 1rem;
        }

        footer {
            text-align: center;
            padding: 2rem 5%;
            background: rgba(0,0,0,0.8);
            border-top: 1px solid var(--glass-border);
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .animate {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .animate.fade-in {
            opacity: 1;
            transform: translateY(0);
        }

        .logo_image{
            width: 200px;
        }
        
        .delay-1 { transition-delay: 0.1s; }
        .delay-2 { transition-delay: 0.2s; }
        .delay-3 { transition-delay: 0.3s; }


        @media (max-width: 992px) {
            .timeline::before { left: 30px; }
            .timeline-item { width: 100%; padding-left: 70px !important; text-align: left !important; }
            .timeline-item:nth-child(even), .timeline-item:nth-child(odd) { left: 0; }
            .timeline-item:nth-child(odd) .timeline-dot, .timeline-item:nth-child(even) .timeline-dot { 
                left: 22px; right: auto; 
            }
        }

        @media (max-width: 768px) {
            nav { padding: 1rem 5%; }
            
            .menu-btn { display: block; }
            
            .nav-links {
                position: fixed;
                top: 0; right: -100%;
                height: 100vh; width: 70%;
                background: #0f172a;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                transition: right 0.4s cubic-bezier(0.77,0.2,0.05,1.0);
                box-shadow: -10px 0 30px rgba(0,0,0,0.5);
            }

            .nav-links.active { right: 0; }
            
            section { padding: 4rem 5%; }
            
            .glass-card { padding: 1.8rem; }
            
            .hero-bg { background-attachment: scroll; }
        }

        @media (hover: none) and (pointer: coarse) {
            .hero-bg {
                background-attachment: scroll;
            }
        }