body{margin-top:110px}.calc-page-header{position:relative;overflow:hidden;background:#0d0d0d;padding:72px 0 60px;text-align:center;margin-top:0}.cph-bg-grid{position:absolute;inset:0;background-image:radial-gradient(circle, rgba(255, 196, 81, 0.12) 1px, transparent 1px);background-size:28px 28px;pointer-events:none}.cph-glow{position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none}.cph-glow--1{width:340px;height:340px;background:rgba(255,196,81,.13);top:-80px;left:-60px}.cph-glow--2{width:260px;height:260px;background:rgba(255,140,0,.1);bottom:-60px;right:-40px}.cph-inner{position:relative;z-index:2}.cph-badges{display:flex;justify-content:center;gap:14px;margin-bottom:20px}.cph-badge{width:52px;height:52px;border-radius:14px;background:rgba(255,196,81,.1);border:1px solid rgba(255,196,81,.25);display:flex;align-items:center;justify-content:center;font-size:22px;color:#ffc451;backdrop-filter:blur(4px)}.cph-badge--pool{background:rgba(56,182,255,.1);border-color:rgba(56,182,255,.2);color:#56c8f5}.calc-page-header .cph-eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:3px;text-transform:uppercase;color:#ffc451;margin-bottom:14px;background:rgba(255,196,81,.08);border:1px solid rgba(255,196,81,.2);border-radius:20px;padding:4px 14px}.calc-page-header h1{font-size:clamp(1.8rem,3vw + .8rem,3rem);font-weight:900;color:#fff;margin-bottom:14px;line-height:1.25;letter-spacing:-0.5px}.calc-page-header p{font-size:1.05rem;color:hsla(0,0%,100%,.55);max-width:500px;margin:0 auto 32px;line-height:1.8}.cph-stats{display:inline-flex;align-items:center;gap:0;background:hsla(0,0%,100%,.04);border:1px solid hsla(0,0%,100%,.08);border-radius:14px;padding:14px 28px;backdrop-filter:blur(8px)}.cph-stat{display:flex;flex-direction:column;align-items:center;gap:3px;padding:0 20px}.cph-stat-num{font-size:1.3rem;font-weight:800;color:#ffc451;line-height:1}.cph-stat-num i{font-size:1.2rem}.cph-stat-lbl{font-size:11.5px;color:hsla(0,0%,100%,.45);font-weight:500;white-space:nowrap}.cph-stat-divider{width:1px;height:32px;background:hsla(0,0%,100%,.1);flex-shrink:0}@media(max-width: 480px){.cph-stats{padding:12px 16px}.cph-stat{padding:0 12px}.cph-stat-num{font-size:1.1rem}}.calc-tabs-wrap{background:#f8f8f8;border-bottom:1px solid #eee;position:sticky;top:115px;z-index:100}@media(min-width: 992px){.calc-tabs-wrap{top:115px}}.calc-tabs-nav{display:flex;justify-content:center;gap:0;max-width:500px;margin:0 auto;padding:16px 0;direction:ltr}.calc-tab-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;background:#fff;border:1.5px solid #e0e0e0;color:#666;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;text-align:center}.calc-tab-btn:first-child{border-radius:8px 0 0 8px}.calc-tab-btn:last-child{border-radius:0 8px 8px 0;border-left:none}.calc-tab-btn i{font-size:18px}.calc-tab-btn.active{background:#ffc451;border-color:#ffc451;color:#111;box-shadow:0 4px 14px rgba(255,196,81,.3);z-index:1}.calc-tab-btn:not(.active):hover{background:#fffbf0;border-color:rgba(255,196,81,.5);color:#333}@keyframes calcFadeIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.calc-section{display:none;padding:56px 0}.calc-section.active{display:block;animation:calcFadeIn .3s ease}.calc-layout{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.calc-form-card{background:#fff;border:1.5px solid #eee;border-radius:16px;padding:32px 28px;box-shadow:0 4px 20px rgba(0,0,0,.05)}.calc-form-card .cfc-title{font-size:1.1rem;font-weight:800;color:#1a1a1a;margin-bottom:6px;display:flex;align-items:center;gap:10px}.calc-form-card .cfc-title i{font-size:20px;color:#ffc451}.calc-form-card .cfc-subtitle{font-size:13.5px;color:#888;margin-bottom:24px;line-height:1.6}.calc-field{margin-bottom:16px}.calc-field label{display:block;font-size:14px;font-weight:600;color:#333;margin-bottom:6px}.calc-field label .req{color:#ffc451}.calc-field input[type=number],.calc-field select{width:100%;padding:11px 14px;border:1.5px solid #e5e5e5;border-radius:8px;font-size:14.5px;color:#333;background:#fafafa;transition:border-color .2s,box-shadow .2s;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.calc-field input[type=number]:focus,.calc-field select:focus{border-color:#ffc451;background:#fff;box-shadow:0 0 0 3px rgba(255,196,81,.15)}.calc-field input[type=number].is-invalid,.calc-field select.is-invalid{border-color:#e74c3c;box-shadow:0 0 0 3px rgba(231,76,60,.1)}.calc-field .field-error{font-size:12.5px;color:#e74c3c;margin-top:4px;display:none}.calc-field .field-error.show{display:block}.calc-checkbox-row{display:flex;align-items:center;gap:10px;padding:12px 14px;background:#fafafa;border:1.5px solid #e5e5e5;border-radius:8px;cursor:pointer;transition:border-color .2s}.calc-checkbox-row:hover{border-color:rgba(255,196,81,.5)}.calc-checkbox-row input[type=checkbox]{width:18px;height:18px;accent-color:#ffc451;cursor:pointer;flex-shrink:0}.calc-checkbox-row span{font-size:14px;font-weight:600;color:#333}.calc-row-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.calc-btn-row{display:flex;gap:10px;margin-top:22px}.btn-calc-primary{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;background:#ffc451;color:#111;font-weight:700;font-size:15px;padding:13px 20px;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.btn-calc-primary:hover{background:#ffb01f;transform:translateY(-1px);box-shadow:0 6px 18px rgba(255,196,81,.35)}.btn-calc-reset{display:flex;align-items:center;justify-content:center;gap:6px;background:#f0f0f0;color:#555;font-weight:600;font-size:14px;padding:13px 18px;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease}.btn-calc-reset:hover{background:#e5e5e5;color:#333}.calc-result-card{background:#fff;border:1.5px solid #eee;border-radius:16px;padding:32px 28px;box-shadow:0 4px 20px rgba(0,0,0,.05);display:none}.calc-result-card.show{display:block;animation:calcFadeIn .35s ease}.calc-result-card .crc-header{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid #f0f0f0;margin-bottom:22px}.crc-header-icon{width:48px;height:48px;border-radius:12px;background:rgba(255,196,81,.12);display:flex;align-items:center;justify-content:center;font-size:22px;color:#e6a800;flex-shrink:0}.crc-header-text .crc-title{font-size:1rem;font-weight:800;color:#1a1a1a;margin-bottom:2px}.crc-header-text .crc-subtitle{font-size:13px;color:#999}.calc-result-items{display:flex;flex-direction:column;gap:12px}.calc-result-item{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:#fafafa;border-radius:10px;border:1px solid #f0f0f0;gap:10px}html[dir=rtl] .calc-result-item{flex-direction:row-reverse}.cri-label{font-size:14px;color:#666;font-weight:500;display:flex;align-items:center;gap:8px}.cri-label i{font-size:16px;color:#ffc451}.cri-value{font-size:16px;font-weight:800;color:#1a1a1a}.cri-value.highlight{color:#e6a800;font-size:18px}.calc-recommendation{margin-top:18px;padding:16px 18px;background:linear-gradient(135deg, rgba(255, 196, 81, 0.1) 0%, rgba(255, 176, 31, 0.08) 100%);border:1px solid rgba(255,196,81,.3);border-radius:10px;display:flex;gap:12px;align-items:flex-start}.calc-recommendation i{font-size:20px;color:#e6a800;flex-shrink:0;margin-top:2px}.calc-recommendation p{font-size:14px;color:#555;line-height:1.7;margin:0}.calc-recommendation strong{color:#1a1a1a}html[dir=rtl] .calc-recommendation{flex-direction:row-reverse}.calc-empty-state{text-align:center;padding:40px 20px;color:#bbb}.calc-empty-state i{font-size:48px;margin-bottom:12px;display:block}.calc-empty-state p{font-size:14px}.calc-section-label{display:inline-flex;align-items:center;gap:8px;background:rgba(255,196,81,.1);border:1px solid rgba(255,196,81,.3);border-radius:20px;padding:5px 14px;font-size:13px;font-weight:700;color:#c68f00;margin-bottom:18px}.calc-section-label i{font-size:15px}@media(max-width: 767px){.calc-layout{grid-template-columns:1fr;gap:20px}.calc-tabs-wrap{top:110px}}/*# sourceMappingURL=engineering-calculators.css.map */