.participation-section{padding:clamp(3rem,6vw,5rem) 0;background:var(--color-gray-100);color:var(--color-ink)}
.participation-section h2{margin:0 0 2rem;font-size:clamp(2rem,4vw,3rem);font-weight:900;line-height:1.15;letter-spacing:-.045em}
.participation-prices{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}
.participation-card{display:flex;flex-direction:column;align-items:flex-start;padding:1.8rem 1.5rem;border:1px solid var(--color-gray-300);border-top:4px solid var(--color-red-700);background:#fff;box-shadow:0 .75rem 2rem rgba(7,29,53,.06)}
.participation-card h3{margin:1rem 0;font-size:1.15rem;line-height:1.3;color:var(--color-navy-900)}
.participation-icon{display:grid;place-items:center;width:3rem;height:3rem;background:var(--color-navy-900);color:#fff;border-radius:.5rem}
.participation-icon svg{width:1.6rem;height:1.6rem;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.participation-price{font-size:clamp(1.9rem,2.5vw,2.6rem);font-weight:900;line-height:1.2;letter-spacing:-.04em;white-space:nowrap}
.participation-price small{font-size:1rem;letter-spacing:0}
.participation-tax{margin:.3rem 0 .8rem;font-size:.8rem;color:var(--color-gray-700)}
.participation-card>p:last-child{margin:0;font-size:.9rem;color:var(--color-gray-700)}
.participation-actions{text-align:center;margin-top:2rem}
.registration-button{min-height:3rem;padding:.85rem 1.4rem;border:1px solid var(--color-navy-900);background:var(--color-navy-900);color:#fff;font-weight:800;cursor:pointer}
.registration-button:hover{background:var(--color-navy-800)}
.registration-button.secondary{background:#fff;color:var(--color-navy-900)}
.registration-button.primary{border-color:var(--color-red-700);background:var(--color-red-700)}
.registration-button.primary:hover{background:var(--color-red-600)}
.registration-dialog{width:min(58rem,calc(100% - 2rem));max-height:calc(100dvh - 2rem);margin:auto;padding:0;border:0;color:var(--color-ink);background:#fff;box-shadow:var(--shadow-card);overflow:hidden;overscroll-behavior:contain}
.registration-dialog::backdrop{background:rgba(4,20,38,.8)}
.registration-dialog[open]{display:flex;flex-direction:column}
.registration-header{flex:0 0 auto;display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;padding:1.2rem 1.5rem;background:var(--color-navy-900);color:#fff}
.registration-header h2{margin:0;font-size:1.4rem;line-height:1.3}
.registration-header p{margin:.4rem 0 0;font-size:.85rem;color:#e2e9f1}
.registration-close{flex-shrink:0;min-width:2.75rem;min-height:2.75rem;border:1px solid #b3bfcd;background:transparent;color:#fff;font-size:1.6rem;cursor:pointer}
#registration-form{display:flex;flex-direction:column;min-height:0;overflow:hidden}
.registration-body{flex:1 1 auto;min-height:0;overflow:auto;overscroll-behavior:contain;padding:1.5rem}
.registration-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;padding:0;margin:0 0 1.5rem;list-style:none;counter-reset:registration-step}
.registration-steps li{counter-increment:registration-step;padding:.6rem .3rem;border-bottom:3px solid #dce2e8;font-size:.8rem;color:var(--color-gray-700)}
.registration-steps li::before{content:counter(registration-step) ". ";font-weight:900}
.registration-steps li[aria-current="step"]{border-color:var(--color-red-700);color:var(--color-navy-900);font-weight:800}
.registration-dialog [hidden]{display:none!important}
.registration-step h3{margin:0 0 1rem;font-size:1.35rem}
.registration-dialog fieldset{min-width:0;padding:0;margin:0 0 1.5rem;border:0}
.registration-dialog legend{padding:0;margin:0 0 .75rem;font-weight:850}
.registration-options{display:grid;gap:.7rem;grid-template-columns:repeat(3,minmax(0,1fr))}
.registration-choice,.registration-workshop{display:flex;align-items:flex-start;gap:.7rem;padding:1rem;border:1px solid #ccd5df;background:#f7f9fb;cursor:pointer}
.registration-choice:has(input:checked),.registration-workshop:has(input:checked){border-color:var(--color-red-700);box-shadow:inset 0 0 0 1px var(--color-red-700);background:#fff5f6}
.registration-choice input,.registration-workshop input,.registration-check input{flex-shrink:0;width:1.1rem;height:1.1rem;margin:.2rem 0 0;accent-color:var(--color-red-700)}
.registration-choice span{display:grid;gap:.25rem;font-size:.85rem}
.registration-choice strong{font-size:1rem}
.registration-choice small{font-size:.8rem}
.registration-choice .registration-benefit-list{display:grid;gap:.55rem;margin-top:.65rem}
.registration-choice .registration-benefit-list>[role=listitem]{position:relative;display:block;padding-left:1.6rem;font-size:.8rem;line-height:1.5;overflow-wrap:anywhere}
.registration-benefit-list>[role=listitem]::before{content:'✓';position:absolute;left:0;top:.08rem;display:grid;place-items:center;width:1.05rem;height:1.05rem;border-radius:50%;background:#40afe0;color:#fff;font-size:.7rem;font-weight:900;line-height:1}
.registration-choice:has(input:checked) .registration-benefit-list>[role=listitem]::before{background:var(--color-red-700)}
.registration-check{display:flex;align-items:flex-start;gap:.65rem;margin:.75rem 0;font-size:.9rem;cursor:pointer}
.registration-dialog .registration-hint{margin:.5rem 0 1rem;color:var(--color-gray-700);font-size:.85rem}
.registration-dialog .registration-hint.registration-pwz-warning{color:var(--color-red-700);font-weight:600}
.registration-notice{padding:.85rem 1rem;background:#eef3f8;border-left:3px solid var(--color-navy-800);font-size:.9rem}
.registration-workshops{display:grid;gap:.7rem}
.registration-workshop span{display:grid;gap:.25rem;min-width:0}
.registration-workshop small{color:var(--color-gray-700)}
.registration-conflict{color:var(--color-red-700);font-size:.85rem}
.registration-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-bottom:1rem}
.registration-field{display:flex;flex-direction:column;gap:.4rem;font-size:.9rem;font-weight:700;min-width:0}
.registration-field input,.registration-field textarea,.registration-field select{width:100%;min-height:2.8rem;padding:.7rem;border:1px solid #b9c5d2;background:#fff;color:var(--color-ink);font:inherit;font-weight:400;border-radius:0}
#buyer-street:disabled{background:#e2e5e9;color:#667085;-webkit-text-fill-color:#667085;border-color:#aab4bf;cursor:not-allowed;opacity:1}
.registration-field textarea{resize:vertical;min-height:5rem}
.registration-field input[aria-invalid="true"],.registration-field textarea[aria-invalid="true"]{border-color:var(--color-red-700)}
.registration-field-error{display:block;color:var(--color-red-700);font-weight:600;font-size:.8rem}
.registration-error{color:var(--color-red-700);font-weight:700;margin:0 0 1rem}
.registration-summary dl{margin:0;display:grid;grid-template-columns:minmax(7rem,1fr) 2fr;gap:.5rem 1rem}
.registration-summary dt{font-weight:750}.registration-summary dd{margin:0;white-space:pre-line;overflow-wrap:anywhere}
.registration-summary-block{padding:1rem;margin-bottom:1rem;background:#f7f9fb;border:1px solid #dce2e8}
.registration-summary-block h4{margin:0 0 .75rem;font-size:1rem}
.registration-summary ul{padding-left:1.3rem;margin:0}
.registration-terms{border:1px solid #ccd5df;padding:1rem;margin:1rem 0;background:#fff}
.registration-terms summary{font-weight:800;cursor:pointer}
.registration-terms ul{padding-left:1.2rem;font-size:.9rem}
.registration-terms-note{font-size:.85rem;color:var(--color-red-700);font-weight:750}
.registration-footer{flex:0 0 auto;background:#fff;border-top:1px solid #dce2e8;padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.registration-total{display:grid;gap:.15rem;font-size:.8rem;color:var(--color-gray-700)}
.registration-total strong{font-size:1.65rem;line-height:1.2;color:var(--color-navy-900);font-weight:900}
.registration-footer-actions{display:flex;gap:.6rem;flex-wrap:wrap}
.registration-completion{padding:1rem;border:1px solid var(--color-navy-900);background:#eef3f8;white-space:pre-line}
.registration-pwz-options{grid-template-columns:repeat(2,minmax(0,1fr))}
.registration-choice:has(input[aria-invalid="true"]),.registration-field select[aria-invalid="true"]{border-color:var(--color-red-700)}
.registration-pwz-options .registration-choice{flex-wrap:wrap}
.registration-pwz-options .registration-field-error{flex-basis:100%}
.registration-pwz-declaration{display:grid;grid-template-columns:auto minmax(0,1fr)}
.registration-pwz-declaration .registration-field-error{grid-column:1/-1}
.program-speaker{font-weight:650}
.registration-steps button{font:inherit;color:inherit;border:0;background:none;padding:.25rem 0;text-align:left;cursor:pointer;width:100%}
.registration-steps button:disabled{cursor:default;opacity:.65}
.registration-steps button:focus-visible{outline:2px solid var(--color-red-700);outline-offset:3px}
.pricing-workshop-section{margin-top:2rem}
.pricing-workshops{padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;font-size:.85rem;line-height:1.5}
.pricing-workshops li{margin:0;padding:1rem;background:#fff;border:1px solid #ccd5df;overflow-wrap:anywhere}
.pricing-workshops strong,.pricing-workshops span{display:block}
.pricing-workshops span{font-size:.8rem;color:var(--color-gray-700)}
@media(max-width:70rem){.pricing-workshops{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:40rem){.pricing-workshops{grid-template-columns:1fr}}
.program-affiliation{margin:.6rem 0 0;font-size:.88rem;line-height:1.6;color:#536171;overflow-wrap:anywhere}
.program-affiliation>span{font-weight:700}
@media(max-width:70rem){.participation-prices{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:40rem){.participation-prices{grid-template-columns:1fr}.participation-card{padding:1.5rem}.registration-dialog{width:calc(100% - 1rem);max-height:calc(100dvh - 1rem)}.registration-header{padding:1rem}.registration-body{padding:1rem}.registration-options,.registration-fields{grid-template-columns:1fr}.registration-steps li{font-size:.7rem}.registration-footer{padding:.85rem 1rem;gap:.75rem}.registration-footer-actions{width:100%}.registration-footer-actions button{flex:1;padding:.8rem .65rem}.registration-summary dl{grid-template-columns:1fr;gap:.15rem}.registration-summary dd{margin-bottom:.5rem}}