.fm-calc{--navy:#041a31;--green:#60912a;--lime:#b7e46c;--muted:#587080;--line:#dce7e9;width:min(1180px,calc(100% - 32px));margin:40px auto 80px;color:var(--navy)}.fm-calc *{box-sizing:border-box}.fm-calc-hero{padding:42px;border-radius:22px;background:linear-gradient(135deg,var(--navy),#0b3858);color:#fff}.fm-calc-hero p{margin:0 0 10px;color:var(--lime);font-size:.78rem;font-weight:850;letter-spacing:.13em}.fm-calc-hero h1{margin:0;color:#fff;font-size:clamp(2.3rem,5vw,4rem);letter-spacing:-.045em}.fm-calc-hero div{max-width:680px;margin-top:14px;color:#bdd0db;font-size:1.05rem;line-height:1.6}.fm-calc-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.7fr);gap:22px;margin-top:22px}.fm-calc-workspace,.fm-calc-results{border:1px solid var(--line);border-radius:18px;background:#fff}.fm-calc-workspace{padding:32px}.fm-calc-section{display:flex;gap:15px;margin:30px 0 16px}.fm-calc-section:first-child{margin-top:0}.fm-calc-step{display:grid;place-items:center;flex:0 0 38px;height:38px;border-radius:10px;background:var(--navy);color:#fff;font-size:.75rem;font-weight:900}.fm-calc-section h2{margin:0;color:var(--navy);font-size:1.35rem}.fm-calc-section p{margin:5px 0 0;color:var(--muted);line-height:1.5}.fm-field span,.fm-room label span{display:block;margin-bottom:6px;color:var(--navy);font-size:.82rem;font-weight:800}.fm-field input,.fm-field select,.fm-room input{width:100%;min-height:48px;padding:0 12px;border:1px solid #cbdade;border-radius:9px;background:#fff}.fm-product-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}.fm-product-facts span{padding:13px;border-radius:9px;background:#f4f8f6;color:var(--muted);font-size:.8rem}.fm-product-facts b{display:block;color:var(--navy);font-size:1rem}.fm-mode-tabs,.fm-waste-options{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}.fm-mode-tabs button,.fm-waste-options button{padding:13px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--navy);font-weight:800}.fm-mode-tabs button.active,.fm-waste-options button.active{border-color:var(--green);background:#f1f7ec;color:var(--green)}.fm-waste-options{grid-template-columns:repeat(3,1fr)}.fm-waste-options small{display:block;margin-top:3px;font-weight:500}.fm-room{display:grid;grid-template-columns:1.3fr 1fr 1fr auto auto;gap:9px;align-items:end;margin-bottom:10px;padding:13px;border:1px solid var(--line);border-radius:11px}.fm-room strong{padding-bottom:13px;white-space:nowrap}.fm-room button{width:38px;height:48px;border:0;background:none;color:#9a3030;font-size:1.4rem}.fm-text-button{border:0;background:none;color:var(--green);font-weight:800}.fm-save-row{display:flex;align-items:end;gap:12px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}.fm-save-row .fm-field{flex:1}.fm-btn-secondary{min-height:48px;padding:0 18px;border:0;border-radius:9px;background:var(--green);color:#fff;font-weight:800}.fm-calc-message{min-height:24px;margin-top:10px;color:var(--green);font-weight:700}.fm-calc-results{position:sticky;top:45px;height:max-content;padding:28px;background:#f7faf9}.fm-calc-label{margin:0 0 18px;color:var(--green);font-size:.75rem;font-weight:900;letter-spacing:.12em}.fm-result-row{display:flex;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid var(--line)}.fm-result-row span{color:var(--muted)}.fm-carton-result{margin:20px 0;padding:22px;border-radius:13px;background:var(--navy);color:#fff}.fm-carton-result span,.fm-carton-result small{display:block;color:#bdd0db}.fm-carton-result strong{display:block;margin:5px 0;font-size:2rem}.fm-total{margin-top:5px;border-bottom:0}.fm-add-cart{display:block;margin-top:18px;padding:15px;border-radius:9px;background:var(--green);color:#fff!important;text-align:center;font-weight:850;text-decoration:none}.fm-add-cart.disabled{pointer-events:none;opacity:.45}.fm-disclaimer{margin:16px 0 0;color:var(--muted);font-size:.75rem;line-height:1.5}@media(max-width:850px){.fm-calc-layout{grid-template-columns:1fr}.fm-calc-results{position:static}.fm-room{grid-template-columns:1fr 1fr}.fm-product-facts{grid-template-columns:1fr}}@media(max-width:520px){.fm-calc{width:min(100% - 20px,1180px)}.fm-calc-hero,.fm-calc-workspace,.fm-calc-results{padding:24px 18px}.fm-waste-options{grid-template-columns:1fr}.fm-save-row{align-items:stretch;flex-direction:column}}