@import url("https://fonts.googleapis.com/css2?family=Heebo:wght@300;400;500;600;700;800;900&display=swap");:root{--bg:#f5f7fa;--bg-card:#fff;--bg-nav:hsla(0,0%,100%,.85);--bg-input:#f0f2f5;--text-primary:#0a0f1e;--text-secondary:#5c6370;--text-muted:#9ca3af;--accent:#4f6ef7;--accent-hover:#3b55d9;--success:#34c759;--border:rgba(0,0,0,.08);--shadow-sm:0 2px 8px rgba(0,0,0,.06);--shadow-md:0 8px 32px rgba(0,0,0,.1);--shadow-lg:0 20px 60px rgba(0,0,0,.14);--radius-sm:10px;--radius-md:18px;--radius-lg:28px;--transition:0.25s cubic-bezier(0.4,0,0.2,1)}[data-theme=dark]{--bg:#0a0f1e;--bg-card:#131929;--bg-nav:rgba(10,15,30,.88);--bg-input:#1c2540;--text-primary:#f0f4ff;--text-secondary:#8b98c8;--text-muted:#4b5880;--border:hsla(0,0%,100%,.07);--shadow-sm:0 2px 8px rgba(0,0,0,.3);--shadow-md:0 8px 32px rgba(0,0,0,.4);--shadow-lg:0 20px 60px rgba(0,0,0,.6)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:Heebo,-apple-system,sans-serif;background:var(--bg);color:var(--text-primary);direction:rtl;transition:background var(--transition),color var(--transition);min-height:100vh;overflow-x:hidden}.navbar{position:fixed;top:0;right:0;left:0;z-index:100;background:var(--bg-nav);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border)}.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;justify-content:space-between}.nav-inner,.nav-logo{display:flex;align-items:center}.nav-logo{gap:8px;font-weight:800;font-size:1.25rem;color:var(--text-primary);letter-spacing:-.5px;text-decoration:none}.logo-icon{font-size:1.4rem}.nav-links{display:flex;gap:24px;align-items:center;list-style:none;padding:0;margin:0}.nav-link{font-size:.9rem;font-weight:600;color:var(--text-secondary);text-decoration:none;transition:color var(--transition)}.nav-link:hover{color:var(--accent)}.dark-toggle{width:42px;height:42px;border:none;background:var(--bg-input);border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:transform var(--transition)}.dark-toggle:hover{transform:scale(1.1)}.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:100px 24px 60px;overflow:hidden;text-align:center}.hero-bg{position:absolute;inset:0;pointer-events:none}.mesh-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35}[data-theme=dark] .mesh-blob{opacity:.2}.blob-1{width:500px;height:500px;background:radial-gradient(circle,#4f6ef7,#7c3aed);top:-100px;right:-100px;animation:floatBlob 8s ease-in-out infinite}.blob-2{width:400px;height:400px;background:radial-gradient(circle,#10b981,#3b82f6);bottom:50px;left:-80px;animation:floatBlob 10s ease-in-out infinite reverse}.blob-3{width:300px;height:300px;background:radial-gradient(circle,#f59e0b,#ec4899);top:50%;left:50%;transform:translate(-50%,-50%);animation:floatBlob 12s ease-in-out 2s infinite}@keyframes floatBlob{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-20px) scale(1.05)}66%{transform:translate(-15px,25px) scale(.95)}}.blob-3{transform-origin:center center}.hero-content{position:relative;z-index:1;max-width:700px}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);font-size:.85rem;font-weight:600;padding:6px 16px;border-radius:100px;margin-bottom:24px;box-shadow:var(--shadow-sm)}.hero-title{font-size:clamp(2.8rem,8vw,5rem);font-weight:900;line-height:1.1;letter-spacing:-2px;margin-bottom:20px}.gradient-text{background:linear-gradient(135deg,#4f6ef7,#7c3aed 50%,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.15rem;color:var(--text-secondary);margin-bottom:36px;line-height:1.6}.hero-cta{display:inline-flex;align-items:center;gap:10px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;font-size:1rem;padding:14px 32px;border-radius:100px;box-shadow:0 4px 24px rgba(79,110,247,.4);transition:transform var(--transition),box-shadow var(--transition),background var(--transition)}.hero-cta:hover{transform:translateY(-2px);background:var(--accent-hover)}.cta-arrow{font-size:1.2rem;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(4px)}}.hero-stats{position:relative;z-index:1;display:flex;align-items:center;gap:32px;margin-top:56px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px 40px;box-shadow:var(--shadow-md)}.stat-row-item{display:contents}.stat-item{display:flex;flex-direction:column;align-items:center;gap:4px}.stat-num{font-size:1.8rem;font-weight:900;letter-spacing:-1px}.stat-label{font-size:.8rem;color:var(--text-muted);font-weight:500}.stat-divider{width:1px;height:40px;background:var(--border)}.main-content{max-width:1200px;margin:0 auto;padding:80px 24px}.section-header{text-align:center;margin-bottom:48px}.section-title{font-size:2rem;font-weight:800;letter-spacing:-1px;margin-bottom:8px}.section-sub{font-size:1rem;color:var(--text-muted)}.category-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:var(--text-muted);margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border)}.category-section{margin-bottom:48px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));grid-gap:20px;gap:20px}.calc-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:28px 24px;display:flex;align-items:center;gap:20px;text-decoration:none;color:inherit;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.calc-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(79,110,247,.04),transparent);opacity:0;transition:opacity var(--transition)}.calc-card:hover:before{opacity:1}.calc-card:focus,.calc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(79,110,247,.25);outline:none}.card-icon-wrap{width:56px;height:56px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 16px rgba(0,0,0,.15)}.card-icon{font-size:1.6rem}.card-body{flex:1 1}.card-title{font-size:1.05rem;font-weight:700;margin-bottom:5px;letter-spacing:-.3px}.card-desc{font-size:.85rem;color:var(--text-secondary);line-height:1.5}.card-arrow{font-size:1.2rem;color:var(--text-muted);flex-shrink:0;transition:transform var(--transition),color var(--transition)}.calc-card:hover .card-arrow{transform:translateX(-4px);color:var(--accent)}.calc-page{max-width:1200px;margin:0 auto;padding:100px 24px 80px}.calc-page-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:48px;gap:48px;align-items:start}.calc-widget{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-md);position:-webkit-sticky;position:sticky;top:88px}.calc-widget-title{font-size:1.3rem;font-weight:800;margin-bottom:28px;letter-spacing:-.5px}.seo-content{padding-top:8px}.page-h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900;letter-spacing:-1px;margin-bottom:16px;line-height:1.15}.page-intro{font-size:1.05rem;line-height:1.7;margin-bottom:32px}.page-intro,.seo-article{color:var(--text-secondary)}.seo-article{line-height:1.8}.seo-article h2{font-size:1.2rem;margin:28px 0 12px}.seo-article h2,.seo-article h3{font-weight:700;color:var(--text-primary)}.seo-article h3{font-size:1rem;margin:20px 0 8px}.seo-article p{margin-bottom:16px;font-size:.95rem}.seo-article ul{margin:0 24px 16px 0}.seo-article li{margin-bottom:6px;font-size:.95rem}.seo-article strong{color:var(--text-primary);font-weight:700}.related-calcs{margin-top:40px}.related-title{font-size:1rem;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:12px;gap:12px}.related-link{display:flex;align-items:center;gap:10px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px;text-decoration:none;color:var(--text-primary);font-size:.9rem;font-weight:600;transition:all var(--transition)}.related-link:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.related-link-icon{font-size:1.2rem}.breadcrumb{display:flex;align-items:center;gap:8px;margin-bottom:24px;flex-wrap:wrap}.breadcrumb a{font-size:.85rem;color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--accent)}.breadcrumb span{font-size:.85rem;color:var(--text-muted)}.breadcrumb-current{font-size:.85rem;color:var(--text-secondary);font-weight:600}.calc-section{margin-bottom:24px}.calc-label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.calc-input{width:100%;height:52px;background:var(--bg-input);border:1.5px solid transparent;border-radius:var(--radius-sm);padding:0 16px;font-family:Heebo,sans-serif;font-size:1rem;font-weight:500;color:var(--text-primary);direction:rtl;transition:border-color var(--transition),box-shadow var(--transition);-webkit-appearance:none;-moz-appearance:none;appearance:none}.calc-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,110,247,.12)}.calc-input::placeholder{color:var(--text-muted);font-weight:400}.calc-select{width:100%;height:52px;background:var(--bg-input);border:1.5px solid transparent;border-radius:var(--radius-sm);padding:0 16px;font-family:Heebo,sans-serif;font-size:1rem;font-weight:500;color:var(--text-primary);cursor:pointer;transition:border-color var(--transition)}.calc-select:focus{outline:none;border-color:var(--accent)}.calc-range{width:100%;height:6px;background:var(--bg-input);border-radius:100px;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;margin-top:8px;cursor:pointer}.calc-range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;background:var(--accent);border-radius:50%;box-shadow:0 2px 8px rgba(79,110,247,.4);cursor:pointer}.range-labels{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);margin-top:6px}.tab-group{display:flex;background:var(--bg-input);border-radius:var(--radius-sm);padding:4px;gap:4px;margin-bottom:20px}.tab-btn{flex:1 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16px}.rg-label{font-size:.75rem;color:var(--text-muted);font-weight:500;margin-bottom:4px}.rg-value{font-size:1.05rem;font-weight:700}.result-divider{height:1px;background:var(--border);margin:16px 0}.info-banner{background:var(--bg-input);border-radius:var(--radius-sm);padding:12px 16px;font-size:.82rem;color:var(--text-muted);line-height:1.5;margin-top:20px}.home-seo{background:var(--bg-card);border-top:1px solid var(--border);padding:80px 24px}.home-seo-inner{max-width:900px;margin:0 auto}.home-seo h2{font-size:1.6rem;font-weight:800;margin-bottom:16px}.home-seo p{color:var(--text-secondary);line-height:1.8;margin-bottom:16px;font-size:.95rem}.site-footer{background:var(--bg-card);border-top:1px solid var(--border);padding:48px 24px;text-align:center}.footer-inner{max-width:600px;margin:0 auto;flex-direction:column;gap:12px}.footer-inner,.footer-logo{display:flex;align-items:center}.footer-logo{font-weight:800;font-size:1.1rem;gap:6px}.footer-nav{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}.footer-nav a{font-size:.85rem;color:var(--text-muted);text-decoration:none}.footer-nav a:hover{color:var(--accent)}.footer-note{font-size:.82rem}.footer-disclaimer,.footer-note{color:var(--text-muted);line-height:1.6;text-align:center}.footer-disclaimer{font-size:.76rem;margin-top:12px;padding-top:12px;border-top:1px solid var(--border);max-width:700px;margin-inline:auto}.footer-copy{font-size:.78rem;color:var(--text-muted)}@media (max-width:900px){.calc-page-grid{grid-template-columns:1fr}.calc-widget{position:static}}@media (max-width:600px){.hero-title{letter-spacing:-1.5px}.hero-stats{padding:16px 24px;gap:20px;flex-wrap:wrap;justify-content:center}.stat-num{font-size:1.4rem}.cards-grid,.result-grid{grid-template-columns:1fr}.result-main{font-size:1.8rem}.nav-links{display:none}}.locale-switch{display:flex;align-items:center;gap:6px;height:36px;padding:0 14px;border:1.5px solid var(--border);border-radius:100px;background:var(--bg-card);color:var(--text-secondary);font-family:inherit;font-size:.82rem;font-weight:700;cursor:pointer;transition:border-color var(--transition),color var(--transition),transform .1s}.locale-switch:hover{border-color:var(--accent);color:var(--accent);transform:scale(1.03)}.locale-switch:active{transform:scale(.98)}.nav-actions{display:flex;align-items:center;gap:8px}[dir=ltr] .card-arrow{margin-left:auto}[dir=rtl] .card-arrow{margin-right:auto}.calc-widget-label{font-size:1.15rem;font-weight:800;letter-spacing:-.4px;color:var(--text-primary);margin-bottom:24px;line-height:1.3}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.cta-arrow,.mesh-blob{animation:none!important}}