        /* ===== VARIÁVEIS E RESET ===== */
        :root {
            --primary-color: #0056b3;
            --secondary-color: #0083ff;
            --accent-color: #4caf50;
            --light-bg: #f0f7ff;
            --card-bg: #f8fbff;
            --text-color: #333;
            --success-color: #00c853;
            --warning-color: #ffc107;
            --border-radius: 15px;
            --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #f0f7ff 0%, #e6f7ff 100%);
            color: var(--text-color);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            line-height: 1.6;
        }
        
        /* ===== LAYOUT PRINCIPAL ===== */
        .container {
            max-width: 900px;
            width: 100%;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            overflow: hidden;
            margin: 20px;
        }
        
        /* ===== CABEÇALHO ===== */
        .header {
            background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
            padding: 30px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .header::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
            transform: rotate(30deg);
        }
        
        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 15px;
        }
        
        .logo-icon {
            background: white;
            color: var(--primary-color);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-right: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .logo-text {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: 1px;
        }
        
        .logo-text span {
            font-weight: 300;
        }
        
        .client-name {
            font-size: 22px;
            margin: 15px 0;
            font-weight: 500;
        }
        
        .proposal-title {
            font-size: 36px;
            font-weight: 700;
            margin: 10px 0;
            letter-spacing: -0.5px;
        }
        
        .date {
            font-size: 16px;
            opacity: 0.9;
            margin-top: 10px;
        }
        
        /* ===== CONTEÚDO PRINCIPAL ===== */
        .content {
            padding: 40px;
        }
        
        .greeting {
            font-size: 18px;
            margin-bottom: 30px;
        }
        
        .section {
            margin-bottom: 35px;
        }
        
        .section-title {
            font-size: 24px;
            color: var(--primary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e0f0ff;
            display: flex;
            align-items: center;
        }
        
        .section-title i {
            margin-right: 12px;
            background: #e0f0ff;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .service-list {
            list-style-type: none;
            margin-left: 20px;
        }
        
        .service-list li {
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
        }
        
        .service-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--success-color);
            font-weight: bold;
            font-size: 18px;
        }
        
        .details-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        
        .detail-card {
            background: var(--card-bg);
            border-radius: 10px;
            padding: 20px;
            border: 1px solid #e0f0ff;
            transition: transform 0.3s ease;
        }
        
        .detail-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 131, 255, 0.1);
        }
        
        .detail-title {
            font-size: 18px;
            color: var(--primary-color);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
        
        .detail-title i {
            margin-right: 10px;
        }
        
        .detail-content {
            font-size: 16px;
            font-weight: 500;
        }
        
        .price-container {
            background: linear-gradient(135deg, #e6f7ff 0%, #f0faff 100%);
            border-radius: 10px;
            padding: 25px;
            text-align: center;
            border: 2px dashed var(--secondary-color);
            margin: 30px 0;
        }
        
        .price-label {
            font-size: 18px;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .price-value {
            font-size: 46px;
            font-weight: 700;
            color: var(--primary-color);
            margin: 10px 0;
        }
        
        .payment-terms {
            font-size: 16px;
            margin-top: 15px;
            background: white;
            padding: 15px;
            border-radius: 8px;
            display: inline-block;
            font-weight: 500;
        }
        
        .note {
            background: #fff8e6;
            padding: 20px;
            border-radius: 10px;
            margin-top: 30px;
            border-left: 4px solid var(--warning-color);
        }
        
        /* ===== SEÇÃO PIX ===== */
        .pix-section {
            background: #f0fff0;
            border-radius: 12px;
            padding: 25px;
            margin-top: 25px;
            border: 2px solid var(--accent-color);
            text-align: center;
        }
        
        .pix-title {
            font-size: 24px;
            color: #2e7d32;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .pix-title i {
            margin-right: 10px;
            font-size: 28px;
        }
        
        .pix-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 30px;
            margin: 20px 0;
        }
        
        .pix-qr {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .pix-qr img {
            max-width: 200px;
            height: auto;
            border-radius: 8px;
        }
        
        .pix-details {
            text-align: left;
            max-width: 400px;
        }
        
        .pix-info {
            background: #f8fff8;
            padding: 15px;
            border-radius: 8px;
            border-left: 3px solid var(--accent-color);
            margin: 15px 0;
            font-weight: 500;
        }
        
        .pix-button {
            display: inline-block;
            background: linear-gradient(to right, var(--accent-color), #2e7d32);
            color: white;
            font-size: 18px;
            font-weight: 600;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            margin-top: 15px;
            box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }
        
        .pix-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(76, 175, 80, 0.4);
            background: linear-gradient(to right, #43a047, #2e7d32);
        }
        
        .pix-button i {
            margin-right: 10px;
        }
        
        .pix-note {
            font-size: 14px;
            color: #666;
            margin-top: 15px;
            font-style: italic;
        }
        
        /* ===== RODAPÉ ===== */
        .footer {
            background: #f5f9ff;
            padding: 30px 40px;
            text-align: center;
            border-top: 1px solid #e0f0ff;
        }
        
        .contact-title {
            font-size: 20px;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .contact-info {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 25px;
            margin: 20px 0;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            font-size: 16px;
        }
        
        .contact-item i {
            color: var(--primary-color);
            font-size: 20px;
            margin-right: 10px;
            width: 30px;
        }
        
        .signature {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #e0f0ff;
        }
        
        .signature p {
            margin: 5px 0;
        }
        
        .company-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-color);
            margin-top: 10px;
        }
        
        /* ===== BOTÕES ===== */
        .btn-print {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 15px 25px;
            border-radius: 50px;
            font-size: 16px;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(0, 86, 179, 0.4);
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            z-index: 100;
        }
        
        .btn-print i {
            margin-right: 10px;
        }
        
        .btn-print:hover {
            background: #003d82;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 86, 179, 0.6);
        }
        
        /* ===== RESPONSIVIDADE ===== */
        @media (max-width: 768px) {
            body {
                padding: 0;
            }
            .header {
                padding: 20px;
            }
            
            .content {
                padding: 25px;
            }
            
            .proposal-title {
                font-size: 28px;
            }
            
            .logo-text {
                font-size: 22px;
            }
            
            .price-value {
                font-size: 36px;
            }
            
            .details-grid {
                grid-template-columns: 1fr;
            }
            
            .pix-container {
                flex-direction: column;
            }
            
            .pix-details {
                text-align: center;
            }
        }
        
        /* ===== MARCA D'ÁGUA ===== */
        .watermark {
            position: fixed;
            bottom: 40px;
            right: 40px;
            opacity: 0.05;
            font-size: 120px;
            font-weight: bold;
            color: var(--primary-color);
            transform: rotate(-30deg);
            pointer-events: none;
            z-index: -1;
        }