:root{
  --s-navy:#2B3E89;
  --s-blue:#1790D3;
  --s-navy-dark:#1e2d6b;
  --s-blue-light:#e8f4fc;
  --s-grey:#6b7280;
  --s-light:#F5F5F5;
  --s-white:#FFFFFF;
  --s-border:#E0E0E0;
  --radius:6px;
  --shadow:0 2px 12px rgba(0,0,0,.09);
  --transition:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;font-size:15px;color:#1a1a1a;background:var(--s-light);min-height:100vh;padding-bottom:90px;}

/* ── HEADER ── */
.site-header{background:var(--s-navy);padding:18px 24px;display:flex;align-items:center;justify-content:center;}
.sa-logo{display:flex;align-items:center;gap:0;user-select:none;}
.sa-logo-text{font-family:'Cormorant SC',serif;font-weight:700;font-size:clamp(26px,5vw,42px);color:var(--s-white);letter-spacing:.12em;text-transform:uppercase;}

/* ── HERO ── */
.hero{background:linear-gradient(135deg,var(--s-navy) 0%,#1e3280 60%,#2a5298 100%);color:var(--s-white);text-align:center;padding:52px 24px 48px;position:relative;}
.hero-badge{display:inline-block;background:var(--s-blue);color:#fff;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:5px 14px;border-radius:30px;margin-bottom:18px;}
.hero h1{font-family:'Cormorant SC',serif;font-size:clamp(26px,5vw,44px);font-weight:700;line-height:1.15;margin-bottom:14px;max-width:680px;margin-left:auto;margin-right:auto;}
.hero p{font-size:clamp(13px,2vw,15px);color:rgba(255,255,255,.78);max-width:580px;margin:0 auto 16px;line-height:1.65;}
.hero-program-dates{display:inline-block;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:5px 16px;font-size:12px;color:rgba(255,255,255,.75);margin-bottom:20px;letter-spacing:.03em;}
.hero-stats{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 36px;margin-top:8px;}
.hero-stat{display:flex;flex-direction:column;align-items:center;}
.hero-stat strong{font-size:22px;color:#7FBDE8;font-weight:700;}
.hero-stat span{font-size:11px;color:rgba(255,255,255,.6);text-transform:uppercase;letter-spacing:.08em;}

/* ── SKU POPOVER ── */
.sku-trigger{position:relative;cursor:pointer;}
.sku-trigger .trigger-hint{font-size:10px;color:rgba(255,255,255,.45);letter-spacing:.04em;margin-top:2px;text-transform:none;display:flex;align-items:center;justify-content:center;gap:3px;}
.sku-trigger strong{text-decoration:underline dotted rgba(23,144,211,.7);text-underline-offset:3px;}
.sku-popover{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(-4px);width:420px;background:#fff;border-radius:8px;box-shadow:0 8px 32px rgba(0,0,0,.25);z-index:300;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;overflow:hidden;}
.sku-trigger:hover .sku-popover,.sku-trigger.open .sku-popover{opacity:1;pointer-events:all;transform:translateX(-50%) translateY(0);}
.sku-popover::before{content:'';position:absolute;top:-6px;left:50%;transform:translateX(-50%);border-left:7px solid transparent;border-right:7px solid transparent;border-bottom:7px solid var(--s-navy);}
.sku-popover-header{background:var(--s-navy);color:#fff;padding:9px 14px;font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;display:flex;align-items:center;justify-content:space-between;}
.sku-popover-header span{color:#7FBDE8;}
.sku-popover-body{max-height:340px;overflow-y:auto;padding:4px 0;color:#1a1a1a;text-align:left;}
.sku-cat-header{background:var(--s-light);padding:5px 12px;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--s-navy);border-bottom:1px solid var(--s-border);}
.sku-row{display:flex;align-items:center;justify-content:space-between;padding:5px 12px;border-bottom:1px solid #f5f5f5;gap:8px;}
.sku-row:hover{background:#fafafa;}
.sku-code{font-size:10px;font-weight:700;color:#1a1a1a !important;font-family:monospace;white-space:nowrap;flex-shrink:0;min-width:115px;text-transform:none;letter-spacing:0;}
.sku-series{font-size:9px;font-weight:700;background:var(--s-navy);color:#fff !important;padding:1px 5px;border-radius:3px;flex-shrink:0;text-transform:none;letter-spacing:0;}
.sku-desc{font-size:10px;color:#555 !important;flex:1;line-height:1.3;text-transform:none;letter-spacing:0;}
.sku-amount{font-size:10px;font-weight:700;color:var(--s-blue) !important;white-space:nowrap;flex-shrink:0;text-transform:none;letter-spacing:0;}
@media(max-width:480px){.sku-popover{width:calc(100vw - 32px);left:0;transform:translateX(-30%);} .sku-trigger:hover .sku-popover,.sku-trigger.open .sku-popover{transform:translateX(-30%) translateY(0);}}

/* ── PROGRESS ── */
.progress-wrap{background:#fff;border-bottom:1px solid var(--s-border);padding:14px 24px;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.progress-steps{display:flex;align-items:center;justify-content:center;max-width:680px;margin:0 auto;gap:0;list-style:none;}
.step{display:flex;flex-direction:column;align-items:center;gap:4px;flex:1;position:relative;}
.step:not(:last-child)::after{content:'';position:absolute;top:14px;left:calc(50% + 14px);right:calc(-50% + 14px);height:2px;background:var(--s-border);z-index:0;}
.step.active:not(:last-child)::after,.step.done:not(:last-child)::after{background:var(--s-blue);}
.step-num{width:28px;height:28px;border-radius:50%;border:2px solid var(--s-border);background:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--s-grey);position:relative;z-index:1;transition:var(--transition);}
.step.active .step-num{border-color:var(--s-blue);color:var(--s-blue);background:#e8f4fc;}
.step.done .step-num{border-color:var(--s-blue);background:var(--s-blue);color:#fff;}
.step-label{font-size:10px;font-weight:600;color:var(--s-grey);text-transform:uppercase;letter-spacing:.07em;text-align:center;transition:var(--transition);}
.step.active .step-label{color:var(--s-blue);}
.step.done .step-label{color:var(--s-navy);}

/* ── LAYOUT ── */
.page-body{max-width:880px;margin:28px auto;padding:0 16px;display:flex;flex-direction:column;gap:24px;}

/* ── SECTION CARD ── */
.form-section{background:#fff;border-radius:10px;box-shadow:var(--shadow);overflow:hidden;}
.section-header{background:var(--s-navy);color:#fff;padding:14px 22px;display:flex;align-items:center;gap:12px;}
.section-num{background:var(--s-blue);color:#fff;font-size:11px;font-weight:800;padding:3px 9px;border-radius:3px;text-transform:uppercase;letter-spacing:.06em;flex-shrink:0;}
.section-header h2{font-family:'Cormorant SC',serif;font-size:18px;font-weight:700;letter-spacing:.04em;}
.section-body{padding:22px;}

/* ── FIELDS ── */
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;}
.field-grid .full{grid-column:1/-1;}
@media(max-width:580px){.field-grid{grid-template-columns:1fr;}.field-grid .full{grid-column:1;}}
.field{display:flex;flex-direction:column;gap:5px;}
label{font-size:12px;font-weight:600;color:#1a1a1a;text-transform:uppercase;letter-spacing:.06em;}
label .req{color:var(--s-blue);margin-left:2px;}
input[type="text"],input[type="email"],input[type="tel"],input[type="number"],select,textarea{width:100%;padding:10px 12px;border:1.5px solid var(--s-border);border-radius:var(--radius);font-family:'Inter',sans-serif;font-size:14px;color:#1a1a1a;background:#fff;transition:border-color var(--transition),box-shadow var(--transition);appearance:none;-webkit-appearance:none;}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--s-blue);box-shadow:0 0 0 3px rgba(23,144,211,.12);}
input.error,select.error,textarea.error{border-color:var(--s-blue);background:#f0f6fb;}
.field-error{font-size:11px;color:var(--s-navy);font-weight:500;display:none;}
.field-error.visible{display:block;}
select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232B3E89' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:34px;}

/* ── REWARD CARDS ── */
.radio-group{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px;}
.radio-card{flex:1;min-width:160px;cursor:pointer;text-transform:none;letter-spacing:0;}
.radio-card input[type="radio"]{display:none;}
.radio-card-inner{border:2px solid var(--s-border);border-radius:8px;padding:14px 18px;display:flex;align-items:center;gap:12px;transition:var(--transition);background:#fff;}
.radio-card input:checked + .radio-card-inner{border-color:var(--s-blue);background:var(--s-blue-light);}
.radio-card-icon{width:36px;height:22px;border-radius:4px;background:var(--s-navy);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.radio-card-label{font-size:14px;font-weight:600;}
.radio-card-sub{font-size:11px;color:var(--s-grey);margin-top:1px;font-weight:400;}

/* ── INSTRUCTIONS / NOTE ── */
.instructions-box{background:var(--s-light);border-radius:var(--radius);padding:14px 16px;font-size:13px;color:#444;line-height:1.65;margin-bottom:18px;}
.instructions-box strong{color:#1a1a1a;}
.eligibility-note{background:var(--s-blue-light);border-left:3px solid var(--s-blue);border-radius:0 var(--radius) var(--radius) 0;padding:13px 16px;margin-bottom:18px;font-size:13px;color:#333;line-height:1.6;}
.eligibility-note strong{color:var(--s-navy);}

/* ── TABLE ── */
.table-intro{font-size:13px;color:#555;margin-bottom:14px;line-height:1.6;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.units-table{width:100%;border-collapse:collapse;min-width:780px;font-size:13px;}
.units-table thead tr{background:var(--s-navy);color:#fff;}
.units-table thead th{padding:10px 10px;text-align:left;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;white-space:nowrap;}
.units-table thead th.col-num{width:34px;text-align:center;}
.units-table thead th.col-model{width:240px;}
.units-table thead th.col-serial{width:120px;}
.units-table thead th.col-enduser{width:140px;}
.units-table thead th.col-invnum{width:110px;}
.units-table thead th.col-invdate{width:100px;}
.units-table thead th.col-amount{width:80px;}
.units-table thead th.col-upload{width:120px;}
.units-table tbody tr{border-bottom:1px solid var(--s-border);}
.units-table tbody tr:nth-child(even){background:#fafafa;}
.units-table tbody td{padding:6px 8px;vertical-align:middle;}
.units-table tbody td.col-num{text-align:center;color:var(--s-grey);font-size:12px;font-weight:600;}
.units-table input[type="text"],.units-table input[type="number"],.units-table select{padding:7px 8px;font-size:12px;border-radius:4px;}
.amount-cell{position:relative;}
.amount-cell .currency-sign{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--s-grey);font-size:12px;pointer-events:none;}
.amount-cell input{padding-left:22px;}
.row-upload-btn{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;color:var(--s-blue);border:1.5px solid var(--s-blue);border-radius:4px;padding:5px 8px;cursor:pointer;background:#fff;transition:var(--transition);white-space:nowrap;font-family:'Inter',sans-serif;}
.row-upload-btn:hover{background:var(--s-blue-light);}
.row-upload-indicator{font-size:10px;color:#15803d;font-weight:600;display:none;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:115px;}
.hidden-file-input{display:none;}
.add-row-btn{margin-top:12px;display:inline-flex;align-items:center;gap:6px;background:none;border:1.5px dashed var(--s-grey);color:var(--s-grey);border-radius:var(--radius);padding:8px 18px;font-size:13px;font-weight:600;cursor:pointer;transition:var(--transition);font-family:'Inter',sans-serif;}
.add-row-btn svg{width:14px;height:14px;}
.add-row-btn:hover{border-color:var(--s-blue);color:var(--s-blue);}
.running-total{margin-top:12px;text-align:right;font-size:14px;font-weight:600;color:#1a1a1a;}
.running-total span{color:var(--s-blue);font-size:18px;}

/* ── MAP NOTE ── */
.map-note{background:#fff8e8;border-left:3px solid #f59e0b;border-radius:0 var(--radius) var(--radius) 0;padding:10px 14px;margin-top:14px;font-size:12px;color:#555;line-height:1.5;}
.map-note strong{color:#92400e;}

/* ── W-9 BUTTON ── */
.btn-w9{display:inline-flex;align-items:center;gap:8px;background:var(--s-navy);color:#fff;border:none;border-radius:var(--radius);padding:12px 22px;font-family:'Inter',sans-serif;font-size:14px;font-weight:700;text-decoration:none;cursor:pointer;transition:background var(--transition);white-space:nowrap;}
.btn-w9:hover{background:var(--s-blue);}

/* ── STICKY FOOTER ── */
.sticky-footer{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--s-border);padding:13px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;z-index:200;box-shadow:0 -4px 16px rgba(0,0,0,.07);}
.footer-note{font-size:12px;color:var(--s-grey);line-height:1.4;max-width:380px;}
.footer-note strong{color:#1a1a1a;}
.btn-submit{background:var(--s-blue);color:#fff;border:none;border-radius:var(--radius);padding:13px 32px;font-size:15px;font-weight:700;font-family:'Inter',sans-serif;cursor:pointer;display:flex;align-items:center;gap:8px;transition:background var(--transition),transform var(--transition);white-space:nowrap;flex-shrink:0;}
.btn-submit:hover{background:var(--s-navy);}
.btn-submit:active{transform:scale(.98);}
.btn-submit:disabled{background:var(--s-grey);cursor:not-allowed;}
.spinner{width:16px;height:16px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none;}
.btn-submit.loading .spinner{display:block;}
.btn-submit.loading .btn-text{display:none;}
@keyframes spin{to{transform:rotate(360deg);}}

/* ── SUCCESS MODAL ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.52);display:flex;align-items:center;justify-content:center;z-index:999;padding:24px;opacity:0;pointer-events:none;transition:opacity .3s ease;}
.modal-overlay.open{opacity:1;pointer-events:all;}
.modal{background:#fff;border-radius:12px;max-width:520px;width:100%;padding:40px 36px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.22);transform:translateY(20px);transition:transform .3s ease;}
.modal-overlay.open .modal{transform:translateY(0);}
.modal-icon{width:72px;height:72px;border-radius:50%;background:#e0effa;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;}
.modal-icon svg{width:36px;height:36px;}
.modal h2{font-family:'Cormorant SC',serif;font-size:24px;margin-bottom:12px;color:var(--s-navy);}
.modal p{font-size:14px;color:#555;line-height:1.7;margin-bottom:8px;}
.modal-ref{display:inline-block;background:var(--s-light);border-radius:4px;padding:6px 16px;font-size:13px;font-weight:600;color:#1a1a1a;margin-top:4px;margin-bottom:20px;letter-spacing:.04em;}
.modal .btn-done{background:var(--s-navy);color:#fff;border:none;border-radius:var(--radius);padding:12px 32px;font-size:14px;font-weight:700;font-family:'Inter',sans-serif;cursor:pointer;transition:background var(--transition);}
.modal .btn-done:hover{background:var(--s-blue);}

/* ── MISC ── */
.form-error-banner{background:#f0f6fb;border:1.5px solid var(--s-blue);border-radius:var(--radius);padding:12px 16px;font-size:13px;color:var(--s-navy);font-weight:600;display:none;margin-bottom:8px;}
.form-error-banner.visible{display:block;}
@media(max-width:540px){.sticky-footer{flex-direction:column;align-items:stretch;}.footer-note{max-width:100%;}.btn-submit{justify-content:center;}.modal{padding:28px 18px;}}