:root{--whatsapp-primary:#25D366;--whatsapp-secondary:#128C7E;--whatsapp-dark:#075E54;--whatsapp-light:#DCF8C6;--text-color:#2d3436;--light-gray:#dfe6e9;}body{font-family:'Poppins', sans-serif;color:var(--text-color);line-height:1.6;background-color:#f5f6fa;}.navbar{background-color:#fff;box-shadow:0 2px 4px rgba(0,0,0,0.1);}.navbar-brand{font-weight:600;color:var(--whatsapp-primary) !important;}.nav-link{font-weight:500;padding:0.5rem 1rem !important;transition:color 0.3s ease;}.nav-link:hover{color:var(--whatsapp-primary) !important;}.hero-section{background:linear-gradient(135deg, var(--whatsapp-primary) 0%, var(--whatsapp-secondary) 100%);color:white;padding:4rem 0;}.hero-section h1{font-weight:700;}.hero-features .badge{background-color:rgba(255, 255, 255, 0.2);color:white;padding:0.5rem 1rem;margin:0 0.5rem;font-weight:500;border:1px solid rgba(255, 255, 255, 0.3);}.image-container{background:#fff;border-radius:15px;padding:1.5rem;box-shadow:0 4px 6px rgba(0,0,0,0.1);}.drop-zone{border:2px dashed var(--light-gray);border-radius:12px;padding:2rem;text-align:center;cursor:pointer;min-height:400px;display:flex;align-items:center;justify-content:center;position:relative;transition:all 0.3s ease;}.drop-zone:hover{border-color:var(--whatsapp-primary);background-color:rgba(37, 211, 102, 0.05);}.drop-zone-prompt i{font-size:4rem;color:var(--whatsapp-primary);display:block;margin-bottom:1rem;}.preview-image{max-width:100%;max-height:400px;object-fit:contain;border-radius:8px;}.options-container{background:#fff;border-radius:15px;padding:1.5rem;box-shadow:0 4px 6px rgba(0,0,0,0.1);}.option-card{background:#f8f9fa;border-radius:12px;padding:1rem;margin-bottom:1rem;cursor:pointer;transition:all 0.3s ease;border:2px solid transparent;}.option-card:hover{background:#f0f0f0;transform:translateY(-2px);}.option-card.active{background:var(--whatsapp-light);border-color:var(--whatsapp-primary);color:var(--whatsapp-dark);}.option-card i{color:var(--whatsapp-primary);margin-right:0.5rem;}.option-card small{display:block;margin-top:0.25rem;color:#666;}.color-picker-container{background:#f8f9fa;padding:1rem;border-radius:12px;}.color-picker-container label{display:block;margin-bottom:0.5rem;color:var(--text-color);}#bgColorPicker{width:100%;height:40px;padding:5px;border:none;border-radius:8px;cursor:pointer;}.btn{padding:0.75rem 1.5rem;font-weight:500;border-radius:8px;transition:all 0.3s ease;}.btn-success{background-color:var(--whatsapp-primary);border-color:var(--whatsapp-primary);}.btn-success:hover{background-color:var(--whatsapp-secondary);border-color:var(--whatsapp-secondary);transform:translateY(-2px);}.btn-outline-primary{color:var(--whatsapp-primary);border-color:var(--whatsapp-primary);}.btn-outline-primary:hover{background-color:var(--whatsapp-primary);border-color:var(--whatsapp-primary);transform:translateY(-2px);}.feature-card{background:#fff;border-radius:15px;padding:2rem;text-align:center;box-shadow:0 4px 6px rgba(0,0,0,0.1);height:100%;transition:transform 0.3s ease;}.feature-card:hover{transform:translateY(-5px);}.feature-icon{font-size:2.5rem;color:var(--whatsapp-primary);margin-bottom:1.5rem;}.feature-card h3{font-size:1.25rem;margin-bottom:1rem;font-weight:600;color:var(--whatsapp-dark);}.step-card{background:#fff;border-radius:15px;padding:2rem;text-align:center;box-shadow:0 4px 6px rgba(0,0,0,0.1);height:100%;position:relative;transition:transform 0.3s ease;}.step-card:hover{transform:translateY(-5px);}.step-number{background:var(--whatsapp-primary);color:#fff;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;margin:0 auto 1.5rem;}.footer{background-color:#fff;border-top:1px solid var(--light-gray);}.footer h5{font-weight:600;color:var(--whatsapp-dark);margin-bottom:1.5rem;}.footer ul li{margin-bottom:0.5rem;}.footer a{color:var(--text-color);text-decoration:none;transition:color 0.3s ease;}.footer a:hover{color:var(--whatsapp-primary);}.breadcrumb{background:transparent;padding:0.5rem 0;margin-bottom:0;}.breadcrumb-item a{color:var(--whatsapp-secondary);text-decoration:none;transition:color 0.3s ease;}.breadcrumb-item a:hover{color:var(--whatsapp-primary);}.breadcrumb-item.active{color:var(--text-color);}.breadcrumb-item + .breadcrumb-item::before{color:var(--whatsapp-secondary);}.testimonial-card{background:#fff;border-radius:8px;padding:1.5rem;height:100%;box-shadow:0 1px 2px rgba(0,0,0,0.1);transition:transform 0.3s ease;}.testimonial-card:hover{transform:translateY(-5px);box-shadow:0 4px 12px rgba(0,0,0,0.1);}.testimonial-content{margin-bottom:1.5rem;position:relative;}.testimonial-content p{font-style:italic;color:var(--text-color);margin:0;line-height:1.6;}.testimonial-content::before{content:'"';font-size:4rem;color:var(--whatsapp-light);position:absolute;top:-1rem;left:-0.5rem;font-family:serif;z-index:0;opacity:0.5;}.testimonial-author{display:flex;align-items:center;gap:1rem;}.testimonial-avatar{width:50px;height:50px;border-radius:50%;overflow:hidden;background:var(--whatsapp-light);border:2px solid var(--whatsapp-primary);flex-shrink:0;}.testimonial-avatar img{width:100%;height:100%;object-fit:cover;background-color:var(--whatsapp-light);}.testimonial-author h5{margin:0;font-size:1rem;color:var(--whatsapp-dark);font-weight:600;}.testimonial-author p{margin:0;font-size:0.875rem;}@media (max-width:768px){.testimonial-card, .tool-card{margin-bottom:1rem;}.testimonial-author{flex-direction:column;text-align:center;gap:0.5rem;}.testimonial-avatar{margin:0 auto;}}.accordion-item{border:none;margin-bottom:1rem;border-radius:8px !important;overflow:hidden;box-shadow:0 1px 2px rgba(0,0,0,0.1);}.accordion-button{padding:1.25rem;font-weight:500;color:var(--whatsapp-dark);background-color:#fff;}.accordion-button:not(.collapsed){color:var(--whatsapp-primary);background-color:var(--whatsapp-light);box-shadow:none;}.accordion-button:focus{box-shadow:none;border-color:var(--whatsapp-primary);}.accordion-button::after{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2325D366'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");}.accordion-body{padding:1.25rem;color:var(--text-color);line-height:1.6;}.tool-card{text-decoration:none;display:block;transition:transform 0.3s ease;}.tool-card:hover{transform:translateY(-5px);}.tool-card .card{border:none;box-shadow:0 1px 2px rgba(0,0,0,0.1);transition:box-shadow 0.3s ease;}.tool-card:hover .card{box-shadow:0 4px 12px rgba(0,0,0,0.1);}.tool-card i{color:var(--whatsapp-primary);transition:transform 0.3s ease;}.tool-card:hover i{transform:scale(1.1);}.tool-card h3{color:var(--whatsapp-dark);margin:1rem 0;font-weight:600;}.tool-card p{color:var(--text-color);margin:0;}@media (hover:none){.btn, .accordion-button, .tool-card{cursor:pointer;-webkit-tap-highlight-color:transparent;}.btn:active, .accordion-button:active, .tool-card:active{transform:scale(0.98);}}.loading{position:relative;}.loading::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(255,255,255,0.8);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--whatsapp-primary);}@keyframes fadeIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}.fade-in{animation:fadeIn 0.5s ease-out;}@keyframes pulse{0%{transform:scale(1);}50%{transform:scale(1.05);}100%{transform:scale(1);}}.pulse{animation:pulse 2s infinite;}:focus{outline:2px solid var(--whatsapp-primary);outline-offset:2px;}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;}@media print{.no-print{display:none !important;}body{color:#000;background:#fff;}.container{max-width:100%;width:100%;}a{text-decoration:none;color:#000;}.accordion-button::after{display:none;}.accordion-body{display:block !important;}}