* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        :root {
            --primary: #0a0e27;
            --secondary: #1a237e;
            --accent: #00bcd4;
            --light: #f5f7fa;
            --dark: #263238;
            --text: #37474f;
        }
        
        body {
            background-color: var(--light);
            color: var(--text);
            line-height: 1.6;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header Styles */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: var(--primary);
            color: white;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .logo:hover {
            color: white;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 30px;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }
        
        nav ul li a:hover {
            color: var(--accent);
        }
        
        nav ul li a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background-color: var(--accent);
            transition: width 0.3s ease;
        }
        
        nav ul li a:hover::after {
            width: 100%;
        }
        
        .burger {
            display: none;
            cursor: pointer;
        }
        
        .burger div {
            width: 25px;
            height: 3px;
            background-color: white;
            margin: 5px 0;
            transition: all 0.3s ease;
        }
        
        /* Main Content */
        main {
            padding-top: 80px;
            min-height: 100vh;
        }
        
        .page-header {
            background: linear-gradient(rgba(10, 14, 39, 0.8), rgba(10, 14, 39, 0.8)), ../img/18.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            text-align: center;
            color: white;
        }
        
        .page-header h1 {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }
        
        .page-header p {
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
            opacity: 0.9;
        }
        
        .content-section {
            padding: 60px 0;
            background-color: white;
        }
        
        .content-section:last-child {
            padding-bottom: 80px;
        }
        
        .content-section:nth-child(even) {
            background-color: var(--light);
        }
        
        .section-title {
            margin-bottom: 30px;
        }
        
        .section-title h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            width: 50%;
            height: 3px;
            background-color: var(--accent);
            bottom: -8px;
            left: 0;
        }
        
        .content-text {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .content-text p {
            margin-bottom: 20px;
            text-align: justify;
        }
        
        .content-text ul {
            margin-left: 30px;
            margin-bottom: 20px;
        }
        
        .content-text li {
            margin-bottom: 10px;
        }
        
        .content-text h3 {
            font-size: 1.4rem;
            color: var(--secondary);
            margin: 25px 0 15px;
        }
        
        .content-text h4 {
            font-size: 1.2rem;
            color: var(--primary);
            margin: 20px 0 10px;
        }
        
        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--accent);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: white;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-column ul li a:hover {
            color: var(--accent);
        }
        
        .footer-contact p {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
        
        .footer-contact i {
            margin-right: 10px;
            color: var(--accent);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            opacity: 0.7;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            nav ul {
                position: fixed;
                top: 70px;
                right: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background-color: var(--primary);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 50px;
                transition: right 0.5s ease;
            }
            
            nav ul.active {
                right: 0;
            }
            
            nav ul li {
                margin: 15px 0;
            }
            
            .burger {
                display: block;
            }
            
            .burger.active div:nth-child(1) {
                transform: rotate(-45deg) translate(-5px, 6px);
            }
            
            .burger.active div:nth-child(2) {
                opacity: 0;
            }
            
            .burger.active div:nth-child(3) {
                transform: rotate(45deg) translate(-5px, -6px);
            }
            
            .page-header h1 {
                font-size: 2rem;
            }
            
            .content-text {
                padding: 0 10px;
            }
        }