:root {
            --primary: #db10ee;
            --primary-dark: #006494;
            --primary-light: #db10ee;

            --white: #ffffff;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --gray-800: #1e293b;
            --gray-900: #0f172a;
            --black: #000000;

            --success: #10b981;
            --warning: #f59e0b;
            --error: #ef4444;
            --info: #3b82f6;

            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-full: 9999px;

            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 32px;
            --space-2xl: 48px;
            --space-3xl: 64px;

            --text-xs: 0.75rem;
            --text-sm: 0.875rem;
            --text-base: 1rem;
            --text-lg: 1.125rem;
            --text-xl: 1.25rem;
            --text-2xl: 1.5rem;
            --text-3xl: 1.875rem;
            --text-4xl: 2.25rem;
            --text-5xl: 3rem;
            --text-6xl: 3.75rem;

            --bg-primary: var(--white);
            --bg-secondary: var(--gray-50);
            --bg-tertiary: var(--gray-100);
            --text-primary: var(--gray-900);
            --text-secondary: var(--gray-600);
            --border-color: var(--gray-200);
        }

        .dark-mode {
            --bg-primary: var(--gray-900);
            --bg-secondary: var(--gray-800);
            --bg-tertiary: var(--gray-700);
            --text-primary: var(--white);
            --text-secondary: var(--gray-300);
            --border-color: var(--gray-600);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Poppins', sans-serif;
            color: var(--text-primary);
            line-height: 1.5;
            background-color: var(--bg-primary);
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        h1 {
            font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
        }

        h2 {
            font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
        }

        h3 {
            font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
        }

        h4 {
            font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
        }

        h5 {
            font-size: clamp(var(--text-lg), 2vw, var(--text-2xl));
        }

        h6 {
            font-size: clamp(var(--text-base), 1.5vw, var(--text-xl));
        }

        p,
        li,
        a,
        button,
        input,
        textarea,
        select {
            font-size: var(--text-base);
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: var(--space-sm) var(--space-lg);
            border-radius: var(--radius-full);
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            position: relative;
            overflow: hidden;
            gap: var(--space-xs);
            min-height: 44px;
            min-width: 44px;
        }

        .btn:focus {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            box-shadow: var(--shadow);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background-color: transparent;
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: var(--white);
        }

        .btn-icon {
            padding: var(--space-sm);
            min-width: auto;
        }

        .card {
            background-color: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .badge {
            display: inline-block;
            padding: var(--space-xs) var(--space-sm);
            border-radius: var(--radius-full);
            font-size: var(--text-xs);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .badge-primary {
            background-color: var(--primary-light);
            color: var(--primary-dark);
        }

        .alert {
            padding: var(--space-md);
            border-radius: var(--radius);
            margin-bottom: var(--space-md);
            display: flex;
            align-items: flex-start;
            gap: var(--space-sm);
        }

        .alert-icon {
            font-size: var(--text-xl);
            flex-shrink: 0;
        }

        .alert-success {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--success);
            border-left: 4px solid var(--success);
        }

        .alert-error {
            background-color: rgba(239, 68, 68, 0.1);
            color: var(--error);
            border-left: 4px solid var(--error);
        }

        .alert-warning {
            background-color: rgba(245, 158, 11, 0.1);
            color: var(--warning);
            border-left: 4px solid var(--warning);
        }

        .alert-info {
            background-color: rgba(59, 130, 246, 0.1);
            color: var(--info);
            border-left: 4px solid var(--info);
        }

        .modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .modal.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background-color: var(--bg-primary);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            max-width: 500px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
            transform: translateY(-20px);
            transition: transform 0.3s ease;
        }

        .modal.active .modal-content {
            transform: translateY(0);
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: var(--space-lg);
        }

        .modal-close {
            background: none;
            border: none;
            font-size: var(--text-xl);
            cursor: pointer;
            color: var(--text-secondary);
            transition: color 0.3s ease;
        }

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

        .modal-footer {
            display: flex;
            justify-content: flex-end;
            gap: var(--space-md);
            margin-top: var(--space-xl);
        }

        header {
            background-color: transparent;
            position: fixed;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s ease;
            padding: var(--space-md) 0;
        }

        header.scrolled {
            background-color: rgba(var(--bg-primary), 0.98);
            box-shadow: var(--shadow);
            backdrop-filter: blur(10px);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: var(--text-2xl);
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }

        .logo-icon {
            font-size: var(--text-3xl);
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: var(--space-md);
        }

        nav ul li {
            position: relative;
        }

        nav ul li a {
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
            padding: var(--space-xs) 0;
            display: block;
        }

        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width 0.3s ease;
        }

        nav ul li a:hover::after,
        nav ul li a:focus::after {
            width: 100%;
        }

        nav ul li a:hover,
        nav ul li a:focus {
            color: var(--primary);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: var(--text-2xl);
            cursor: pointer;
            z-index: 1001;
        }

        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            padding: 180px 0 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-title {
            margin-bottom: var(--space-lg);
            animation: fadeInUp 0.8s ease;
        }

        .hero-description {
            margin-bottom: var(--space-xl);
            opacity: 0.9;
            animation: fadeInUp 0.8s ease 0.2s forwards;
            opacity: 0;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: var(--space-md);
            animation: fadeInUp 0.8s ease 0.4s forwards;
            opacity: 0;
            flex-wrap: wrap;
        }

        .features {
            padding: var(--space-3xl) 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--space-3xl);
        }

        .section-title {
            position: relative;
            display: inline-block;
            margin-bottom: var(--space-md);
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            border-radius: 2px;
        }

        .section-description {
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-xl);
        }

        .feature-card {
            text-align: center;
            opacity: 0;
            transform: translateY(30px);
        }

        .feature-card.animated {
            opacity: 1;
            transform: translateY(0);
        }

        .feature-icon {
            font-size: var(--text-4xl);
            color: var(--primary);
            margin-bottom: var(--space-lg);
            transition: all 0.3s ease;
        }

        .feature-title {
            margin-bottom: var(--space-md);
        }

        .stats {
            padding: var(--space-2xl) 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            text-align: center;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--space-xl);
        }

        .stat-item {
            opacity: 0;
            transform: translateY(30px);
        }

        .stat-item.animated {
            opacity: 1;
            transform: translateY(0);
        }

        .stat-number {
            font-size: var(--text-4xl);
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }

        .events {
            padding: var(--space-3xl) 0;
            background-color: var(--bg-secondary);
        }

        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-xl);
        }

        .event-card {
            opacity: 0;
            transform: translateY(30px);
        }

        .event-card.animated {
            opacity: 1;
            transform: translateY(0);
        }

        .event-image {
            height: 200px;
            background-color: var(--gray-200);
            background-size: cover;
            background-position: center;
            position: relative;
            border-radius: var(--radius) var(--radius) 0 0;
            overflow: hidden;
        }

        .event-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.7));
        }

        .event-date {
            position: absolute;
            top: var(--space-md);
            left: var(--space-md);
            background-color: var(--primary);
            color: var(--white);
            padding: var(--space-xs) var(--space-sm);
            border-radius: var(--radius-full);
            font-size: var(--text-sm);
            font-weight: 600;
            z-index: 1;
        }

        .event-body {
            padding: var(--space-lg);
            background-color: var(--bg-primary);
            border-radius: 0 0 var(--radius) var(--radius);
        }

        .event-title {
            margin-bottom: var(--space-sm);
        }

        .event-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: var(--space-lg);
            padding-top: var(--space-md);
            border-top: 1px solid var(--border-color);
        }

        .cta {
            padding: var(--space-3xl) 0;
            text-align: center;
            position: relative;
        }

        .cta-form {
            max-width: 500px;
            margin: 0 auto;
            display: flex;
            background: var(--bg-primary);
            border-radius: var(--radius-full);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

        .cta-input {
            flex: 1;
            padding: var(--space-md);
            border: none;
            outline: none;
            background: transparent;
            color: var(--text-primary);
        }

        .cta-input::placeholder {
            color: var(--text-secondary);
        }

        .cta-button {
            border-radius: 0 var(--radius-full) var(--radius-full) 0;
        }

        footer {
            background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
            color: var(--white);
            padding: var(--space-3xl) 0 var(--space-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--space-xl);
            margin-bottom: var(--space-2xl);
        }

        .footer-title {
            font-size: var(--text-xl);
            margin-bottom: var(--space-lg);
            color: var(--primary-light);
            position: relative;
            padding-bottom: var(--space-sm);
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--primary-light);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: var(--space-sm);
        }

        .footer-links a {
            transition: all 0.3s ease;
            display: block;
        }

        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(var(--space-xs));
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            margin-bottom: var(--space-sm);
        }

        .social-links {
            display: flex;
            gap: var(--space-sm);
            margin-top: var(--space-lg);
        }

        .social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--white);
            transition: all 0.3s ease;
        }

        .social-link:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: var(--space-xl);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: var(--text-sm);
        }

        .theme-toggle {
            background: none;
            border: none;
            color: var(--text-primary);
            cursor: pointer;
            font-size: var(--text-xl);
            margin-left: var(--space-md);
        }

        .loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: var(--bg-primary);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        .loader.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .loader-spinner {
            width: 50px;
            height: 50px;
            border: 5px solid var(--gray-200);
            border-top: 5px solid var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        @media (max-width: 992px) {
            .menu-toggle {
                display: block;
            }

            nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 300px;
                height: 100vh;
                background-color: var(--bg-primary);
                box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
                transition: right 0.3s ease;
                padding: var(--space-3xl) var(--space-xl) var(--space-xl);
                z-index: 1000;
            }

            nav.active {
                right: 0;
            }

            nav ul {
                flex-direction: column;
                gap: var(--space-lg);
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn {
                width: 100%;
                max-width: 300px;
            }

            .cta-form {
                flex-direction: column;
                border-radius: var(--radius);
            }

            .cta-button {
                border-radius: 0 0 var(--radius) var(--radius);
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 var(--space-md);
            }

            .hero {
                padding: 150px 0 80px;
            }

            .section-header {
                margin-bottom: var(--space-2xl);
            }
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }