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

        :root {
            --primary: #0EA5E9;
            --secondary: #06B6D4;
            --accent: #F97316;
            --success: #10B981;
            --warning: #F59E0B;
            --error: #EF4444;
            --dark: #0F172A;
            --darker: #020617;
            --light: #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;
            --spacing: 8px;
            --font-primary: 'Orbitron', 'Courier New', monospace;
            --font-secondary: 'Rajdhani', 'Arial', sans-serif;
        }

        body {
            font-family: var(--font-secondary);
            line-height: 1.6;
            color: var(--light);
            background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, var(--gray-900) 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 calc(var(--spacing) * 3);
        }

        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(14, 165, 233, 0.3);
            z-index: 1000;
            padding: calc(var(--spacing) * 2) 0;
            transition: all 0.3s ease;
        }

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

        .logo {
            font-family: var(--font-primary);
            font-size: 1.8rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            text-shadow: 0 0 20px rgba(14, 165, 233, 0.5);
            transition: all 0.3s ease;
        }

        .logo:hover {
            text-shadow: 0 0 30px rgba(14, 165, 233, 0.8);
            transform: scale(1.05);
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: calc(var(--spacing) * 5);
        }

        nav a {
            color: var(--gray-300);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            position: relative;
            padding: calc(var(--spacing) * 1) calc(var(--spacing) * 2);
            border-radius: calc(var(--spacing) * 1);
        }

        nav a:hover,
        nav a.active {
            color: var(--primary);
            background: rgba(14, 165, 233, 0.1);
            box-shadow: 0 0 15px rgba(14, 165, 233, 0.3);
            transform: translateY(-2px);
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        nav a:hover::after,
        nav a.active::after {
            width: 80%;
        }

        .burger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: none;
            border: none;
            padding: calc(var(--spacing) * 1);
            border-radius: calc(var(--spacing) * 1);
            transition: all 0.3s ease;
        }

        .burger:hover {
            background: rgba(14, 165, 233, 0.1);
            box-shadow: 0 0 15px rgba(14, 165, 233, 0.3);
        }

        .burger span {
            width: 28px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 3px 0;
            transition: 0.3s;
            border-radius: 2px;
        }

        .burger.active span:nth-child(1) {
            transform: rotate(-45deg) translate(-6px, 6px);
        }

        .burger.active span:nth-child(2) {
            opacity: 0;
        }

        .burger.active span:nth-child(3) {
            transform: rotate(45deg) translate(-6px, -6px);
        }

        main {
            margin-top: 80px;
        }

        .page-hero {
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: 
                radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('../img/05.jpg') center/cover;
            opacity: 0.08;
            z-index: -1;
        }

        .hero-content {
            max-width: 900px;
            animation: fadeInUp 1.2s ease-out;
            z-index: 2;
        }

        .page-hero h1 {
            font-family: var(--font-primary);
            font-size: clamp(3.5rem, 8vw, 7rem);
            font-weight: 900;
            margin-bottom: calc(var(--spacing) * 6);
            background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 40px rgba(14, 165, 233, 0.4);
            letter-spacing: -2px;
        }

        .page-hero p {
            font-size: 1.4rem;
            margin-bottom: calc(var(--spacing) * 8);
            color: var(--gray-300);
            line-height: 1.7;
            font-weight: 400;
        }

        .search-section {
            padding: calc(var(--spacing) * 10) 0;
            background: rgba(15, 23, 42, 0.6);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(14, 165, 233, 0.2);
            border-bottom: 1px solid rgba(14, 165, 233, 0.2);
        }

        .search-box {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .search-box h2 {
            color: var(--accent);
            font-family: var(--font-primary);
            font-size: 2.5rem;
            margin-bottom: calc(var(--spacing) * 6);
            font-weight: 900;
        }

        .search-input {
            width: 100%;
            padding: calc(var(--spacing) * 4);
            border: 1px solid rgba(14, 165, 233, 0.3);
            border-radius: calc(var(--spacing) * 3);
            background: rgba(15, 23, 42, 0.9);
            color: var(--light);
            font-size: 1.2rem;
            font-family: inherit;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(14, 165, 233, 0.1);
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 30px rgba(14, 165, 233, 0.4);
            transform: translateY(-2px);
        }

        .faq-section {
            padding: calc(var(--spacing) * 15) 0;
        }

        .faq-container {
            max-width: 1000px;
            margin: 0 auto;
        }

        .faq-category {
            margin-bottom: calc(var(--spacing) * 12);
        }

        .category-title {
            color: var(--primary);
            font-family: var(--font-primary);
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            margin-bottom: calc(var(--spacing) * 8);
            font-weight: 900;
            text-align: center;
            position: relative;
        }

        .category-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .faq-item {
            background: rgba(15, 23, 42, 0.8);
            border-radius: calc(var(--spacing) * 3);
            margin-bottom: calc(var(--spacing) * 4);
            border: 1px solid rgba(14, 165, 233, 0.3);
            transition: all 0.4s ease;
            overflow: hidden;
            position: relative;
        }

        .faq-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .faq-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 60px rgba(14, 165, 233, 0.3);
            border-color: rgba(14, 165, 233, 0.6);
        }

        .faq-question {
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.3rem;
            font-weight: 700;
            padding: calc(var(--spacing) * 6);
            width: 100%;
            text-align: left;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--primary);
            background: rgba(14, 165, 233, 0.1);
        }

        .faq-question::after {
            content: '+';
            font-size: 2.5rem;
            font-weight: 300;
            transition: transform 0.4s ease;
            color: var(--accent);
            min-width: 40px;
            text-align: center;
        }

        .faq-question.active::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 calc(var(--spacing) * 6) ;
            color: var(--gray-300);
            line-height: 1.8;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease;
            font-size: 1.1rem;
        }

        .faq-answer.active {
            max-height: 500px;
        }

        .faq-answer p {
            margin-bottom: calc(var(--spacing) * 3);
        }

        footer {
            background: var(--darker);
            padding: calc(var(--spacing) * 15) 0 calc(var(--spacing) * 6);
            border-top: 1px solid rgba(14, 165, 233, 0.3);
            position: relative;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: calc(var(--spacing) * 8);
            margin-bottom: calc(var(--spacing) * 8);
        }

        .footer-section h3 {
            color: var(--primary);
            margin-bottom: calc(var(--spacing) * 3);
            font-weight: 700;
            font-size: 1.3rem;
        }

        .footer-section p,
        .footer-section a {
            color: var(--gray-400);
            text-decoration: none;
            line-height: 1.7;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            text-align: center;
            padding-top: calc(var(--spacing) * 6);
            border-top: 1px solid rgba(14, 165, 233, 0.2);
            color: var(--gray-500);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 768px) {
            nav ul {
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                background: rgba(15, 23, 42, 0.95);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: calc(var(--spacing) * 6);
                transform: translateY(-100vh);
                transition: transform 0.4s ease;
                border-bottom: 1px solid rgba(14, 165, 233, 0.3);
            }

            nav ul.active {
                transform: translateY(0);
            }

            .burger {
                display: flex;
            }

            .faq-question {
                font-size: 1.1rem;
                padding: calc(var(--spacing) * 4);
            }

            .faq-answer {
                padding: 0 calc(var(--spacing) * 4) ;
            }

            .page-hero h1 {
                font-size: clamp(2.5rem, 8vw, 4rem);
            }

            .category-title {
                font-size: clamp(2rem, 6vw, 3rem);
            }
        }