:root {
            --primary: #2c5e8e;
            --secondary: #4a86b8;
            --accent: #d4a017;
            --light-accent: #f8ecc2;
            --dark: #1a365d;
            --light: #f8f9fa;
            --text: #333333;
            --success: #28a745;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: white;
            color: var(--text);
            line-height: 1.7;
            padding: 0;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(214, 160, 23, 0.03) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(74, 134, 184, 0.03) 0%, transparent 20%);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        

        .hero {
            position: relative;
            padding: 60px 20px 100px;
            background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
            text-align: center;
            margin-bottom: 40px;
            overflow: hidden;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }
        
        .hero::before {
            content: "";
            position: absolute;
            top: -100px;
            left: -50px;
            width: 300px;
            height: 300px;
            background: var(--light-accent);
            border-radius: 50%;
            opacity: 0.3;
            z-index: 0;
        }
        
        .hero::after {
            content: "";
            position: absolute;
            bottom: -150px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: var(--light-accent);
            border-radius: 50%;
            opacity: 0.2;
            z-index: 0;
        }
        
        .association-logo {
            width: 180px;
            height: 180px;
            margin: 0 auto 25px;
            position: relative;
            z-index: 2;
        }
        
        .logo-image {
            width: 100%;
            height: 100%;
            background: url('../images/icon.png') center/contain no-repeat;
            filter: drop-shadow(0 10px 30px rgba(0,0,0,0.1));
        }
        
        .hero h1 {
            font-size: 3.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
            text-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        
        .hero p {
            font-size: 1.3rem;
            color: var(--secondary);
            max-width: 800px;
            margin: 0 auto 30px;
            position: relative;
            z-index: 2;
        }
        
        .last-updated {
            display: inline-block;
            background: var(--accent);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            font-size: 1rem;
            position: relative;
            z-index: 2;
            box-shadow: 0 5px 15px rgba(212, 160, 23, 0.3);
        }
        
        /* Main Content Layout */
        .content-wrapper {
            display: flex;
            gap: 40px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }
        
        /* Table of Contents */
        .toc-container {
            flex: 1;
            min-width: 300px;
            position: sticky;
            top: 30px;
            height: fit-content;
            background: white;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            border: 1px solid rgba(0,0,0,0.05);
            z-index: 10;
        }
        
        .toc-title {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .toc-list {
            list-style: none;
        }
        
        .toc-item {
            margin-bottom: 15px;
            position: relative;
            padding-left: 30px;
            transition: var(--transition);
        }
        
        .toc-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 18px;
            height: 18px;
            background: var(--light-accent);
            border: 2px solid var(--accent);
            border-radius: 50%;
            transition: var(--transition);
        }
        
        .toc-item:hover::before {
            background: var(--accent);
        }
        
        .toc-link {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            display: block;
            padding: 12px 0;
            border-bottom: 1px dashed rgba(0,0,0,0.1);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .toc-link:hover {
            color: var(--primary);
            padding-left: 10px;
            border-bottom-color: var(--accent);
        }
        
        .toc-link i {
            color: var(--accent);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .toc-link:hover i {
            transform: translateX(5px);
        }
        
        /* Content Sections */
        .content {
            flex: 2.5;
            min-width: 300px;
        }
        
        .section {
            background: white;
            border-radius: 20px;
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            border: 1px solid rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .section:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 50px rgba(0,0,0,0.12);
        }
        
        .section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 8px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            border-radius: 0 8px 8px 0;
        }
        
        .section h2 {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .section h2 i {
            width: 50px;
            height: 50px;
            background: var(--light-accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
        }
        
        .section h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 30px 0 20px;
            padding-left: 20px;
            border-left: 4px solid var(--accent);
        }
        
        .section p {
            margin-bottom: 20px;
            text-align: justify;
        }
        
        .section ul {
            padding-left: 30px;
            margin-bottom: 25px;
        }
        
        .section li {
            margin-bottom: 12px;
            position: relative;
            padding-left: 25px;
        }
        
        .section li::before {
            content: "•";
            color: var(--accent);
            font-size: 1.8rem;
            position: absolute;
            left: 0;
            top: -8px;
        }
        
        /* Special Elements */
        .highlight1 {
            background: linear-gradient(to right, rgba(212, 160, 23, 0.1) 0%, rgba(212, 160, 23, 0.05) 100%);
            padding: 25px;
            margin: 30px 0;
            border-radius: 15px;
            border-left: 4px solid var(--accent);
            position: relative;
        }
        
        .highlight1::before {
            content: "";
            position: absolute;
            top: -20px;
            left: 10px;
            font-size: 5rem;
            color: rgba(212, 160, 23, 0.1);
            font-family: Georgia, serif;
        }
        
        .membership-card {
            background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
            border: 2px dashed var(--accent);
            border-radius: 15px;
            padding: 30px;
            margin: 30px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .membership-card::before {
            content: "";
            position: absolute;
            top: -50px;
            right: -50px;
            width: 100px;
            height: 100px;
            background: var(--light-accent);
            border-radius: 50%;
            opacity: 0.3;
        }
        
        .membership-card h3 {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        
        .online-application {
            display: inline-block;
            background: var(--success);
            color: white;
            padding: 15px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            margin: 20px 0;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(40, 167, 69, 0.3);
            position: relative;
            z-index: 2;
        }
        
        .online-application:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(40, 167, 69, 0.4);
        }
        
        .online-application i {
            margin-left: 10px;
        }

        
        /* Signature */
        .signature-section {
            display: flex;
            justify-content: space-around;
            margin-top: 50px;
            padding-top: 40px;
            border-top: 2px dashed rgba(0,0,0,0.1);
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .signature {
            text-align: center;
            flex: 1;
            min-width: 250px;
        }
        
        .signature h3 {
            color: var(--secondary);
            margin-bottom: 20px;
        }
        
        .signature-line {
            width: 70%;
            height: 1px;
            background: var(--accent);
            margin: 30px auto;
        }
        
        
        
        
        /* Responsive Design */
        @media (max-width: 900px) {
            .content-wrapper {
                flex-direction: column;
            }
            
            .toc-container {
                position: static;
            }
            
            .hero h1 {
                font-size: 2.8rem;
            }
        }
        
        @media (max-width: 600px) {
            .hero {
                padding: 40px 20px 80px;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .section {
                padding: 30px 20px;
            }
            
            .section h2 {
                font-size: 1.8rem;
            }
        }