:root{--hts-navy-blue:#0d2152;--hts-dark-blue:#537196;--hts-accent-blue:#00b8eb;--hts-light-gray:#f5f7fa;--hts-white:#fff;--hts-dark-gray:#191d26;--hts-green:#28a745;--hts-orange:#ff8c42;--hts-red:#dc3545;--hts-blue:#0d2152;--hts-aqua:#00b8eb;--hts-slate:#f5f7fa;--hts-success:#28a745;--hts-error:#dc3545;--hts-radius-sm:4px;--hts-radius-md:6px;--hts-radius-lg:10px;--hts-shadow:0 2px 4px #0d21521a}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--hts-white);color:var(--hts-dark-gray);margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.6}code{font-family:SF Mono,Menlo,Consolas,Monaco,monospace}.container{max-width:1200px;margin:0 auto;padding:20px}.card{background:var(--hts-white);border:1px solid var(--hts-slate);border-radius:var(--hts-radius-md);box-shadow:var(--hts-shadow);margin-bottom:24px;padding:24px}.site-nav{z-index:100;background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0}.site-nav-inner{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:16px 24px;display:flex}.site-nav-logo{width:auto;height:40px}.site-nav-links{align-items:center;gap:28px;display:flex}.site-nav-links a{color:#36383b;font-size:14px;font-weight:500;text-decoration:none;transition:color .2s}.site-nav-links a:hover{color:var(--hts-navy-blue);text-decoration:none}.site-nav-cta{border-radius:4px;padding:8px 20px;background-color:var(--hts-navy-blue)!important;color:#fff!important;font-weight:600!important;transition:background-color .2s,transform .2s!important}.site-nav-cta:hover{transform:translateY(-1px);background-color:#143258!important}.page-hero{background:var(--hts-navy-blue);padding:48px 24px}.page-hero-inner{max-width:1200px;margin:0 auto}.page-hero h1{color:#fff;letter-spacing:-.02em;margin:0;font-family:Inter,sans-serif;font-size:32px;font-weight:700}.page-hero p{color:#fffc;margin:8px 0 0;font-size:16px;font-weight:400}.header{background:var(--hts-navy-blue);color:#fff;justify-content:space-between;align-items:center;margin-bottom:32px;padding:24px 40px;display:flex}.header-logo{height:80px;margin-right:20px}.header h1{color:#fff;margin:0;font-family:Inter,sans-serif;font-size:32px;font-weight:700}@media (width<=640px){.site-nav-links{gap:16px}.site-nav-links a:not(.site-nav-cta){display:none}.page-hero{padding:32px 24px}.page-hero h1{font-size:24px}}.form-section{margin-bottom:32px}.form-section h2{color:var(--hts-navy-blue);margin-bottom:16px;font-family:Inter,sans-serif;font-size:24px;font-weight:600}.form-group{margin-bottom:20px}.form-group label{color:var(--hts-blue);margin-bottom:8px;font-weight:600;display:block}.form-group input,.form-group select,.form-group textarea{box-sizing:border-box;border:2px solid #e1e8ed;border-radius:6px;width:100%;padding:12px 16px;font-size:16px;transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--hts-accent-blue);outline:none;box-shadow:0 0 0 3px #00b8eb1a}.button{cursor:pointer;border:none;border-radius:6px;padding:12px 24px;font-size:16px;font-weight:600;transition:all .2s}.button-primary{background-color:var(--hts-navy-blue);color:#fff;font-weight:600;box-shadow:0 2px 4px #0d215233}.button-primary:hover{background-color:#143258;transform:translateY(-1px);box-shadow:0 4px 8px #0d21524d}.button-secondary{color:#323130;background-color:#edebe9}.button-secondary:hover{background-color:#e1dfdd}.button:disabled{color:#a19f9d;cursor:not-allowed;background-color:#f3f2f1}.error-message{color:#fff;background-color:var(--hts-error);border-radius:4px;margin-bottom:16px;padding:12px}.success-message{color:#fff;background-color:var(--hts-success);border-radius:4px;margin-bottom:16px;padding:12px}.info-message{color:var(--hts-dark-gray);background-color:var(--hts-slate);border-left:4px solid var(--hts-aqua);border-radius:4px;margin-bottom:16px;padding:12px}.company-list{padding:0;list-style:none}.company-item{background-color:var(--hts-slate);border-radius:var(--hts-radius-sm);border-left:4px solid var(--hts-aqua);margin-bottom:8px;padding:12px}.company-item strong{color:#323130;margin-bottom:4px;display:block}.company-item span{color:#605e5c;font-size:14px}.loading{justify-content:center;align-items:center;padding:40px;display:flex}.spinner{border:4px solid var(--hts-slate);border-top:4px solid var(--hts-aqua);border-radius:50%;width:40px;height:40px;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.progress-indicator{justify-content:space-between;margin-bottom:40px;display:flex;position:relative}.progress-indicator:before{content:"";z-index:-1;background-color:#edebe9;height:2px;position:absolute;top:20px;left:0;right:0}.progress-step{flex-direction:column;flex:1;align-items:center;display:flex;position:relative}.progress-step-circle{color:#605e5c;background-color:#edebe9;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;margin-bottom:8px;font-weight:600;display:flex}.progress-step.active .progress-step-circle{background-color:var(--hts-navy-blue);color:#fff}.progress-step.completed .progress-step-circle{background-color:var(--hts-success);color:#fff}.progress-step-label{color:#605e5c;text-align:center;font-size:12px}.checkbox-group{cursor:pointer;border-radius:4px;align-items:flex-start;margin-bottom:12px;padding:8px;display:flex}.checkbox-group:hover{background-color:#f5f9ff}.checkbox-group input[type=checkbox]{cursor:pointer;accent-color:#0d2152;width:18px;min-width:18px;height:18px;margin-top:2px;margin-right:10px}.checkbox-group label{cursor:pointer;-webkit-user-select:none;user-select:none}.tax-certificate-list{margin-top:12px}.tax-certificate-item{background-color:#f9f9f9;border-radius:2px;justify-content:space-between;align-items:center;margin-bottom:8px;padding:12px;display:flex}.button-group{gap:12px;margin-top:24px;display:flex}.w9-download-link{background-color:var(--hts-blue);color:#fff;border-radius:var(--hts-radius-sm);align-items:center;margin-top:12px;padding:12px 20px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.w9-download-link:hover{background-color:#143258;box-shadow:0 4px 12px #0d21524d}.w9-download-link svg{flex-shrink:0}a{color:var(--hts-aqua);text-decoration:none;transition:all .2s}a:hover{color:#2a8fd9;text-decoration:underline}.footer{background-color:var(--hts-white);border-top:1px solid var(--hts-slate);color:var(--hts-dark-gray);text-align:center;margin-top:48px;padding:24px 40px;font-size:14px}.footer a{color:var(--hts-aqua);text-decoration:none}.footer a:hover{text-decoration:underline}.footer-content{max-width:1200px;margin:0 auto}.footer-social-icon{width:20px;height:20px}.about-process-section{margin:32px 0}.steps-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-top:24px;display:grid}.step-card{background:var(--hts-white);border:2px solid var(--hts-light-gray);border-radius:var(--hts-radius-md);text-align:center;padding:24px;transition:all .2s}.step-card:hover{border-color:var(--hts-accent-blue);transform:translateY(-2px);box-shadow:0 4px 12px #00b8eb26}.step-number{background:var(--hts-accent-blue);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:16px;font-size:24px;font-weight:700;display:inline-flex}.step-card h3{color:var(--hts-navy-blue);margin:12px 0 8px;font-family:Inter,sans-serif;font-size:18px;font-weight:600}.step-card p{color:var(--hts-dark-gray);margin:0;font-size:14px;line-height:1.5}.trust-section{background:var(--hts-light-gray);border-radius:var(--hts-radius-md);margin:24px 0;padding:24px}.trust-section h3{color:var(--hts-navy-blue);margin-top:0;font-family:Inter,sans-serif}.trust-section ul{margin:16px 0 0;padding:0;list-style:none}.trust-section ul li{color:var(--hts-dark-gray);padding:8px 0;font-size:16px}.tax-warning-banner{border-left:4px solid var(--hts-orange);border-radius:var(--hts-radius-md);background-color:#fff3cd;gap:15px;margin-bottom:30px;padding:20px;display:flex}.warning-icon{flex-shrink:0;font-size:24px}.tax-warning-banner h3{color:var(--hts-navy-blue);margin:0 0 8px;font-size:18px;font-weight:600}.tax-warning-banner p{color:var(--hts-dark-gray);margin:0;line-height:1.5}.form-helper-text{background-color:var(--hts-light-gray);border-radius:var(--hts-radius-sm);border-left:3px solid var(--hts-accent-blue);padding:12px}.submission-summary h2{color:var(--hts-navy-blue);margin-bottom:8px;font-family:Inter,sans-serif}.summary-section{background:var(--hts-white);border:2px solid var(--hts-light-gray);border-radius:var(--hts-radius-md);margin-bottom:20px;padding:20px}.summary-header{border-bottom:1px solid var(--hts-light-gray);justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;display:flex}.summary-header h3{color:var(--hts-navy-blue);margin:0;font-family:Inter,sans-serif;font-size:18px}.summary-grid{gap:12px;display:grid}.summary-item{color:var(--hts-dark-gray);padding:8px 0;line-height:1.5}.summary-item strong{color:var(--hts-navy-blue);font-weight:600}.summary-empty{color:#666;font-style:italic}.status-success{border-left:4px solid var(--hts-green);border-radius:var(--hts-radius-sm);background-color:#d4edda;align-items:flex-start;gap:12px;padding:16px;display:flex}.status-success svg{flex-shrink:0;margin-top:2px}.status-success strong{color:var(--hts-navy-blue);margin-bottom:4px;display:block}.status-success p{color:var(--hts-dark-gray);margin:0;font-size:14px}.status-warning{border-left:4px solid var(--hts-orange);border-radius:var(--hts-radius-sm);background-color:#fff3cd;align-items:flex-start;gap:12px;padding:16px;display:flex}.status-warning svg{flex-shrink:0;margin-top:2px}.status-warning strong{color:var(--hts-navy-blue);margin-bottom:4px;display:block}.status-warning p{color:var(--hts-dark-gray);margin:0;font-size:14px}.status-info{border-left:4px solid var(--hts-accent-blue);border-radius:var(--hts-radius-sm);background-color:#d1ecf1;align-items:flex-start;gap:12px;padding:16px;display:flex}.status-info svg{flex-shrink:0;margin-top:2px}.status-info strong{color:var(--hts-navy-blue);margin-bottom:4px;display:block}.status-info p{color:var(--hts-dark-gray);margin:0;font-size:14px}.correction-notice{background-color:var(--hts-light-gray);border-radius:var(--hts-radius-md);margin-top:24px;padding:16px}.correction-notice p{color:var(--hts-dark-gray);margin:0;font-size:14px;line-height:1.5}.correction-notice a{color:var(--hts-accent-blue);font-weight:600}.pay-trust{color:var(--hts-dark-blue);align-items:center;gap:6px;margin:0 0 20px;font-size:13px;display:flex}.pay-card{border:2px solid var(--hts-light-gray);border-radius:var(--hts-radius-md);background:var(--hts-white);margin-bottom:20px;padding:20px}.pay-card-title{color:var(--hts-navy-blue);margin:0 0 16px;font-family:Inter,sans-serif;font-size:18px;font-weight:600}.pay-card-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.pay-status{border:1px solid #0000;border-radius:999px;padding:3px 12px;font-size:12px;font-weight:700}.pay-status-on{color:#176234;background:#d4edda;border-color:#a3d9b1}.pay-status-off{background:var(--hts-light-gray);color:#605e5c;border-color:#e1dfdd}.pay-method-list{border:1px solid var(--hts-light-gray);border-radius:var(--hts-radius-sm);margin:0 0 16px;padding:0;list-style:none;overflow:hidden}.pay-method-row{border-bottom:1px solid var(--hts-light-gray);align-items:center;gap:12px;padding:14px;display:flex}.pay-method-row:last-child{border-bottom:none}.pay-method-glyph{font-size:22px;line-height:1}.pay-method-body{flex-direction:column;flex:1;min-width:0;display:flex}.pay-method-title{color:var(--hts-dark-gray);align-items:center;gap:8px;font-weight:600;display:flex}.pay-method-sub{color:#605e5c;margin-top:2px;font-size:13px}.pay-badge{color:var(--hts-navy-blue);background:#00b8eb26;border:1px solid #00b8eb59;border-radius:999px;padding:1px 8px;font-size:11px;font-weight:700}.pay-method-actions{flex-shrink:0;gap:4px;display:flex}.pay-link-btn{color:var(--hts-navy-blue);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:6px 8px;font-size:13px;font-weight:600}.pay-link-btn:hover:not(:disabled){background:#f5f9ff}.pay-link-btn:disabled{color:#a19f9d;cursor:not-allowed}.pay-link-danger{color:var(--hts-red)}.pay-link-danger:hover:not(:disabled){background:#fdf0f1}.pay-empty{border-radius:var(--hts-radius-sm);text-align:center;border:1px dashed #d8dce1;margin-bottom:16px;padding:24px}.pay-empty-title{color:var(--hts-dark-gray);margin:0 0 4px;font-weight:600}.pay-empty-sub{color:#605e5c;margin:0;font-size:13px}.pay-add-btn{border-radius:var(--hts-radius-sm);width:100%;color:var(--hts-navy-blue);cursor:pointer;background:0 0;border:2px dashed #d8dce1;padding:14px;font-size:15px;font-weight:600;transition:border-color .2s,background .2s}.pay-add-btn:hover:not(:disabled){border-color:var(--hts-accent-blue);background:#f5f9ff}.pay-add-btn:disabled{color:#a19f9d;cursor:not-allowed}.pay-add-panel,.pay-enroll-panel{border:1px solid var(--hts-light-gray);border-radius:var(--hts-radius-sm);background:#fafbfc;margin-top:16px;padding:16px}.pay-add-title{color:var(--hts-dark-gray);margin-bottom:12px;font-size:14px;font-weight:600}.pay-mandate{white-space:pre-wrap;color:#36383b;background:var(--hts-white);border:1px solid var(--hts-light-gray);border-radius:var(--hts-radius-sm);max-height:180px;margin-bottom:16px;padding:12px;font-size:13px;overflow-y:auto}.pay-fieldset{border:none;margin:0 0 16px;padding:0}.pay-legend{color:var(--hts-dark-blue);margin-bottom:8px;padding:0;font-size:13px;font-weight:600}.pay-pills{flex-wrap:wrap;gap:8px;display:flex}.pay-pill{background:var(--hts-white);cursor:pointer;border:1px solid #d8dce1;border-radius:999px;padding:6px 14px;font-size:13px;transition:all .2s}.pay-pill:hover:not(:disabled){background:#f5f9ff}.pay-pill-active{border-color:var(--hts-navy-blue);background:var(--hts-navy-blue);color:#fff}.pay-autopay-summary,.pay-autopay-pitch{color:var(--hts-dark-gray);margin:0 0 16px;font-size:14px;line-height:1.6}.pay-autopay-pitch{color:#605e5c}.pay-hint{color:#605e5c;margin:8px 0 0;font-size:13px}