#main-header{background:#000000;padding:20px 0;border-bottom:1px solid rgba(255,255,255,0.08)}#main-header .et_pb_row{display:flex;align-items:center}#cuatro87-menu .et_pb_menu__wrap{justify-content:flex-end}#cuatro87-menu .et-menu>li>a{color:#ffffff!important;font-size:16px;font-weight:900;letter-spacing:.4px;position:relative;padding-bottom:6px;transition:color .25s ease}#cuatro87-menu .et-menu>li>a:after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:#b0f900;transition:width .25s ease}#cuatro87-menu .et-menu>li>a:hover{color:#ffffff!important}#cuatro87-menu .et-menu>li>a:hover:after{width:100%}#cuatro87-menu .current-menu-item a{color:#b0f900!important}#cuatro87-menu .current-menu-item a:after{width:100%}#logo{max-height:42px}.c87-tool{display:grid;grid-template-columns:1fr 1fr;gap:60px}.c87-builder{border:2px solid #000;padding:50px;border-radius:24px;background:#fff}.c87-builder h1{font-size:32px;font-weight:800}.c87-desc{margin-bottom:20px;color:#555}label{font-size:13px;font-weight:700;margin-top:15px;display:block}input,select,textarea{width:100%;padding:16px;border:2px solid #000;border-radius:12px}textarea{min-height:100px}.c87-btn{margin-top:20px;width:100%;padding:18px;background:#b0f900;border:2px solid #000;font-weight:800;cursor:pointer}.c87-preview{display:flex;justify-content:center;align-items:flex-start}.c87-phone{background:#111;padding:20px;border-radius:30px;width:100%;max-width:340px}.c87-phone-header{color:#fff;margin-bottom:20px;font-weight:600}.c87-chat{background:#0f0f0f;padding:15px;border-radius:20px}.c87-bubble{background:#b0f900;padding:12px;border-radius:14px;color:#000;word-break:break-word}.c87-output{margin-top:50px;text-align:center}.c87-bar{display:flex;border:2px solid #000;border-radius:14px;overflow:hidden;max-width:100%}.c87-bar input{flex:1;border:none;padding:14px;min-width:0}.c87-bar button{background:#b0f900;border:none;padding:14px 18px;font-weight:800;cursor:pointer}.c87-country-display{border:2px solid #000;padding:16px;border-radius:14px;cursor:pointer}.c87-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);backdrop-filter:blur(10px);display:none;justify-content:center;align-items:center;z-index:999999}.c87-overlay.active{display:flex}.c87-modal{background:#fff;border:2px solid #000;padding:15px;border-radius:18px;width:350px}.c87-country-list{max-height:240px;overflow-y:auto}.c87-country-list div{padding:12px;cursor:pointer}.c87-country-list div:hover{background:#f5f5f5}@media (max-width:768px){.c87-tool{grid-template-columns:1fr;gap:30px}.c87-builder{padding:25px}.c87-preview{order:-1}.c87-phone{max-width:100%;width:100%}.c87-output{padding:0 10px}.c87-bar{flex-direction:column}.c87-bar input{width:100%;text-align:center}.c87-bar button{width:100%}}.cuatro87-qr-app{font-family:'Inter',sans-serif;max-width:1100px;margin:auto;padding:30px}.qr-header h1{font-size:36px;font-weight:800;color:#000}.qr-header p{color:#555}.qr-layout{display:grid;grid-template-columns:1fr 1fr;margin-top:30px;border:3px solid #000;border-radius:20px;overflow:hidden}.qr-card{background:#fff;padding:30px;border-right:3px solid #000;overflow:hidden}.qr-preview-card{background:#000;padding:30px;text-align:center}.qr-section-title{font-size:13px;font-weight:700;margin-bottom:10px;margin-top:20px}input{width:100%;padding:14px;border-radius:10px;border:2px solid #000}.size-selector,.style-selector{display:grid;gap:8px}.size-selector{grid-template-columns:repeat(4,1fr)}.style-selector{grid-template-columns:repeat(3,1fr)}.size-selector button,.style-selector button{width:100%;padding:10px 6px;border-radius:10px;border:2px solid #000;background:#fff;font-weight:600;font-size:13px;box-sizing:border-box}.size-selector button.active,.style-selector button.active{background:#000;color:#fff}#qr-container{display:inline-block;padding:20px}.qr-buttons{margin-top:20px;display:flex;gap:10px}.qr-buttons button{flex:1;padding:14px;border-radius:10px;border:none;background:#222;color:#fff;font-weight:600}.btn-primary{background:#b0f900;color:#000;font-weight:700}.qr-feedback{margin-top:10px;color:#b0f900;opacity:0}.qr-feedback.show{opacity:1}@media (max-width:768px){.qr-layout{grid-template-columns:1fr}.qr-card{border-right:none;border-bottom:3px solid #000}.size-selector{grid-template-columns:repeat(2,1fr)}.style-selector{grid-template-columns:repeat(3,1fr)}.qr-buttons{flex-direction:column}#qr-container canvas,#qr-container svg{width:100%!important;height:auto!important}input{font-size:16px}}#plan-app{max-width:720px;margin:auto;color:#fff;text-align:center}#plan-app .step{display:none}#plan-app .step.active{display:block}#plan-app h1,#plan-app h2,#plan-app h3{color:#fff;margin-bottom:20px}#plan-app .sub{color:#aaa;margin-bottom:40px;line-height:1.6}#plan-app .options{display:flex;flex-direction:column;gap:16px}#plan-app button{background:#111;border:2px solid #2a2a2a;color:#fff;padding:18px;border-radius:12px;cursor:pointer;font-size:15px;transition:all 0.3s ease}#plan-app button:hover{background:#b0f900;color:#000;border-color:#b0f900;transform:translateY(-2px)}#plan-app .form-box{margin-top:40px;padding:40px;border:1px solid #2a2a2a;border-radius:16px;background:#0f0f0f;text-align:left}#plan-app input{width:100%;padding:20px;margin-bottom:25px;border:2px solid #2a2a2a;background:#111;color:#fff;border-radius:10px;font-size:15px;transition:0.3s}#plan-app input:focus{outline:none;border-color:#b0f900}#plan-app .check{display:flex;align-items:center;gap:10px;font-size:14px;color:#aaa;margin-bottom:25px}#plan-app .check input{width:auto;margin:0;transform:scale(1.2)}#plan-app .cta{background:#b0f900;color:#000;padding:18px;display:block;border-radius:12px;font-weight:bold;text-align:center;text-decoration:none;transition:0.3s}#plan-app .cta:hover{transform:translateY(-2px)}#plan-app .plan-box{border:1px solid #2a2a2a;padding:30px;margin-top:25px;border-radius:16px;background:#111}#plan-app .note{font-size:13px;color:#aaa;margin-top:15px;line-height:1.5}#plan-app .error{color:#ff4d4d;margin-top:15px}