.calculator-hero{padding-bottom:54px}
.calculator-section{padding-top:18px}
.calculator-shell{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr);background:var(--bg-soft);border:1px solid var(--line-2);border-radius:var(--r-xl);overflow:hidden}
.calculator-form{padding:clamp(24px,4vw,48px)}
.calculator-step{display:grid;grid-template-columns:36px minmax(0,1fr);gap:18px;padding-bottom:32px;margin-bottom:32px;border-bottom:1px solid var(--line-2)}
.calculator-step fieldset{border:0;min-width:0}
.calculator-step legend{font-size:clamp(23px,3vw,32px);line-height:1.15;letter-spacing:-.02em;font-weight:500}
.step-number{font-size:12px;color:var(--cobalt);font-weight:500;letter-spacing:.08em;padding-top:7px}
.step-help{margin-top:8px;color:var(--body)}
.inventory-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:20px}
.inventory-option{position:relative;display:block;cursor:pointer;min-width:0}
.inventory-option input{position:absolute;opacity:0;pointer-events:none}
.inventory-option span{display:flex;min-height:78px;flex-direction:column;justify-content:center;padding:14px 16px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--bg);transition:border-color .18s var(--ease),background .18s var(--ease),box-shadow .18s var(--ease)}
.inventory-option strong{font-size:15px;color:var(--ink)}
.inventory-option small{font-size:13px;line-height:1.35;color:var(--muted);margin-top:3px}
.inventory-option:hover span{border-color:var(--peri)}
.inventory-option input:checked + span{border-color:var(--cobalt);background:#EEF3FF;box-shadow:inset 4px 0 0 var(--cobalt)}
.inventory-option input:focus-visible + span{outline:3px solid rgba(78,123,255,.45);outline-offset:2px}
.field-error{min-height:22px;margin-top:10px;color:#A12222;font-size:14px}
.calculator-choices{padding-bottom:24px;margin-bottom:24px}
.choice-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:18px}
.choice-label{width:100%;font-size:13px;color:var(--muted)}
.choice-row label{position:relative;cursor:pointer}
.choice-row input{position:absolute;opacity:0;pointer-events:none}
.choice-row label span{display:inline-flex;align-items:center;min-height:42px;padding:8px 13px;border:1px solid var(--line-2);border-radius:var(--r-md);background:var(--bg);font-size:14px}
.choice-row input:checked + span{color:var(--cobalt);border-color:var(--cobalt);background:#EEF3FF}
.choice-row input:focus-visible + span{outline:3px solid rgba(78,123,255,.45);outline-offset:2px}
.calculator-submit{margin-left:54px}
.calculator-note{margin:13px 0 0 54px;max-width:520px;color:var(--muted);font-size:13px}
.calculator-result{position:relative;background:linear-gradient(155deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:clamp(28px,4vw,48px);min-height:100%;display:flex;flex-direction:column;justify-content:center}
.result-kicker{position:absolute;top:30px;left:clamp(28px,4vw,48px);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#AFC2EA}
.result-empty{padding-top:28px;color:#D7E1F5}
.result-empty .result-size{color:#fff}
.result-size{font-size:clamp(46px,6vw,72px);font-weight:500;line-height:1;letter-spacing:-.04em;margin-bottom:14px}
.result-name{font-size:21px;color:#fff;margin-bottom:10px}
.result-copy{color:#D7E1F5;line-height:1.55;margin-bottom:24px}
.result-facts{border-top:1px solid rgba(255,255,255,.2);margin:0 0 26px}
.result-facts div{padding:13px 0;border-bottom:1px solid rgba(255,255,255,.16)}
.result-facts dt{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#AFC2EA}
.result-facts dd{margin-top:3px;color:#fff;font-size:14px}
.result-whatsapp{align-self:flex-start}
.result-prices{display:inline-block;margin-top:18px;color:#D7E1F5;text-decoration:underline;text-underline-offset:4px;font-size:14px}
.size-reference{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line-2);border-left:1px solid var(--line-2)}
.size-reference article{padding:24px;border-right:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.size-reference span{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--cobalt)}
.size-reference h3{font-size:23px;font-weight:500;margin:7px 0 10px}
.size-reference p{font-size:14px;color:var(--body)}
@media(max-width:900px){.calculator-shell{grid-template-columns:1fr}.calculator-result{min-height:390px}.size-reference{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.calculator-hero{padding-bottom:38px}.calculator-section{padding-top:8px}.calculator-shell{margin-inline:-4px}.calculator-form{padding:24px 18px}.calculator-step{grid-template-columns:28px minmax(0,1fr);gap:8px}.inventory-grid{grid-template-columns:1fr}.calculator-submit{width:calc(100% - 36px);justify-content:center;margin-left:36px}.calculator-note{margin-left:36px}.calculator-result{padding:68px 24px 28px;min-height:360px}.result-kicker{left:24px}.size-reference{grid-template-columns:1fr 1fr}.size-reference article{padding:18px}.size-reference h3{font-size:20px}}