:root{--bg-void:#050810;--bg-deep:#080d1a;--bg-surface:#0d1526;--bg-elevated:#111e35;--bg-overlay:#162240;--border-dim:rgba(255,255,255,.06);--border-soft:rgba(255,255,255,.10);--border-glow:rgba(56,217,169,.30);--border-active:rgba(56,217,169,.70);--teal-50:#edfaf5;--teal-100:#c6f4e4;--teal-200:#8eeacc;--teal-300:#56dfb4;--teal-400:#38d9a9;--teal-500:#20c997;--teal-600:#12b886;--teal-glow:rgba(56,217,169,.15);--teal-glow-sm:rgba(56,217,169,.08);--blue-300:#74c0fc;--blue-400:#4dabf7;--blue-500:#339af0;--blue-glow:rgba(77,171,247,.12);--amber-400:#ffc078;--amber-500:#ffa94d;--amber-glow:rgba(255,169,77,.12);--red-400:#ff8787;--red-glow:rgba(255,135,135,.12);--text-primary:#e8f0fe;--text-secondary:#8da3c0;--text-muted:#4d6480;--text-accent:#38d9a9;--text-link:#74c0fc;--font-display:"Cormorant Garamond",Georgia,serif;--font-body:"IBM Plex Sans",system-ui,sans-serif;--font-mono:"IBM Plex Mono","Courier 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shimmer{0%{background-position:0}to{background-position:200%}}.container{width:min(100%,var(--max-width));margin:0 auto;padding:0 var(--sp-6)}.section{padding:var(--sp-20) 0}.section-sm{padding:var(--sp-12) 0}.text-center{text-align:center}.text-teal{color:var(--teal-400)}.text-muted{color:var(--text-muted)}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:var(--sp-6)}.grid-2,.grid-3{display:grid;gap:var(--sp-6)}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:var(--sp-6)}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:var(--sp-6);gap:var(--sp-6)}.grid-2>*,.grid-3>*,.grid-4>*{min-width:0}.flex{display:flex}.flex-center{justify-content:center}.flex-between,.flex-center{display:flex;align-items:center}.flex-between{justify-content:space-between}.gap-2{gap:var(--sp-2)}.gap-4{gap:var(--sp-4)}.gap-6{gap:var(--sp-6)}.mt-4{margin-top:var(--sp-4)}.mt-6{margin-top:var(--sp-6)}.mt-8{margin-top:var(--sp-8)}.mb-4{margin-bottom:var(--sp-4)}.mb-6{margin-bottom:var(--sp-6)}.mb-8{margin-bottom:var(--sp-8)}.btn-ghost,.btn-outline,.btn-primary{display:inline-flex;align-items:center;gap:var(--sp-2);border-radius:var(--radius-md);transition:all var(--duration-normal) var(--ease-default);white-space:nowrap}.btn-primary{padding:12px 28px;background:var(--teal-400);color:var(--bg-void);font-weight:600;border:none;position:relative;overflow:hidden}.btn-primary:hover{background:var(--teal-500);transform:translateY(-1px);box-shadow:var(--shadow-teal)}.btn-outline{padding:11px 28px;background:transparent;color:var(--teal-400);font-weight:500;border:1px solid var(--border-glow)}.btn-outline:hover{background:var(--teal-glow);border-color:var(--border-active);box-shadow:var(--shadow-teal)}.btn-ghost{padding:8px 16px;background:transparent;color:var(--text-secondary);font-size:var(--text-sm);font-weight:500;border:none}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-elevated)}.btn-calculate{width:100%;padding:16px 32px;background:linear-gradient(135deg,var(--teal-400),var(--teal-500));color:var(--bg-void);font-size:var(--text-lg);font-weight:700;letter-spacing:.02em;border:none;border-radius:var(--radius-md);transition:all var(--duration-normal) var(--ease-spring);box-shadow:0 4px 20px rgba(56,217,169,.25)}.btn-calculate:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(56,217,169,.35)}.card,.card-coming-soon,.card-tool{display:block;min-width:0;background:var(--bg-surface);border:1px solid var(--border-dim);border-radius:var(--radius-lg);padding:var(--sp-6);transition:all var(--duration-normal) var(--ease-default)}.card:hover{border-color:var(--border-glow);box-shadow:var(--shadow-teal);transform:translateY(-2px)}.card-tool{position:relative;overflow:hidden}.card-tool:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--teal-400);opacity:0;transition:opacity var(--duration-normal)}.card-tool:hover{border-color:var(--border-glow);box-shadow:var(--shadow-teal);transform:translateY(-3px)}.card-tool:hover:before{opacity:1}.card-coming-soon{opacity:.62;filter:saturate(.6)}.card-coming-soon:hover{opacity:.78;border-color:rgba(255,169,77,.3)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--radius-full);font-size:var(--text-xs);font-weight:600;letter-spacing:.04em;text-transform:uppercase}.badge-teal{background:var(--teal-glow);color:var(--teal-400);border:1px solid rgba(56,217,169,.25)}.badge-blue{background:var(--blue-glow);color:var(--blue-400);border:1px solid rgba(77,171,247,.25)}.badge-amber,.badge-soon{background:var(--amber-glow);color:var(--amber-400);border:1px solid rgba(255,169,77,.25)}.badge-live{background:rgba(32,201,151,.12);color:#20c997;border:1px solid rgba(32,201,151,.25)}.form-group{display:flex;flex-direction:column;gap:var(--sp-2)}.form-label{font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);letter-spacing:.02em}.form-input,.form-select,textarea{width:100%;padding:12px 16px;background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-soft);border-radius:var(--radius-md);outline:none;transition:all var(--duration-fast)}.form-input{font-family:var(--font-mono)}.form-input::placeholder{color:var(--text-muted)}.form-input:focus,.form-select:focus,textarea:focus{border-color:var(--teal-400);box-shadow:0 0 0 3px rgba(56,217,169,.12);background:var(--bg-overlay)}.result-box{background:linear-gradient(135deg,rgba(56,217,169,.08),rgba(77,171,247,.05));border:1px solid var(--border-glow);border-left:4px solid var(--teal-400);border-radius:var(--radius-md);padding:var(--sp-6);margin-top:var(--sp-4);animation:slideUp .3s var(--ease-out)}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.result-label{font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--sp-2)}.result-value{font-family:var(--font-mono);font-size:2.5rem;font-weight:600;color:var(--teal-400);line-height:1;margin-bottom:var(--sp-2)}.result-unit{font-size:var(--text-sm);color:var(--text-muted);margin-bottom:var(--sp-4)}.result-breakdown{border-top:1px solid var(--border-dim);padding-top:var(--sp-4);margin-top:var(--sp-4)}.formula-block{background:var(--bg-void);border:1px solid var(--border-dim);border-radius:var(--radius-md);padding:var(--sp-4) var(--sp-6);font-family:var(--font-mono);font-size:var(--text-xl);font-weight:500;color:var(--blue-300);text-align:center;letter-spacing:.02em;margin:var(--sp-4) 0}.section-label{display:inline-flex;align-items:center;gap:var(--sp-2);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:600;color:var(--teal-400);letter-spacing:.12em;text-transform:uppercase;margin-bottom:var(--sp-4)}.section-label:before{content:"";display:block;width:24px;height:1px;background:var(--teal-400)}.data-table{width:100%;border-collapse:collapse;font-size:var(--text-sm);min-width:620px}.data-table th{background:var(--bg-elevated);font-weight:600;text-align:left;letter-spacing:.05em;text-transform:uppercase;font-size:var(--text-xs);border-bottom:1px solid var(--border-soft)}.data-table td,.data-table th{padding:10px 16px;color:var(--text-secondary)}.data-table td{border-bottom:1px solid var(--border-dim);font-family:var(--font-mono)}.data-table tr:hover td{background:var(--bg-elevated);color:var(--text-primary)}.table-wrap{overflow-x:auto;border:1px solid var(--border-dim);border-radius:var(--radius-lg)}.step-number{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--teal-glow);border:1px solid var(--border-glow);border-radius:var(--radius-full);font-family:var(--font-mono);font-size:var(--text-sm);font-weight:600;color:var(--teal-400);flex-shrink:0}.accordion-item{border-bottom:1px solid var(--border-dim)}.accordion-trigger{width:100%;display:flex;justify-content:space-between;align-items:center;padding:var(--sp-5) 0;background:transparent;border:none;color:var(--text-primary);font-size:var(--text-base);font-weight:500;text-align:left;gap:var(--sp-4)}.accordion-trigger:hover{color:var(--teal-400)}.accordion-content{display:none;padding:0 0 var(--sp-5)}.accordion-item.open .accordion-content{display:block}.filter-tabs{display:flex;gap:var(--sp-2);flex-wrap:wrap;margin-bottom:var(--sp-8)}.filter-tab{padding:8px 18px;background:var(--bg-surface);color:var(--text-secondary);border:1px solid 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transparent}.navbar.scrolled{background:rgba(8,13,26,.96);border-bottom-color:var(--border-dim)}.nav-inner{height:var(--navbar-height);justify-content:space-between;gap:var(--sp-6)}.brand,.nav-inner{display:flex;align-items:center}.brand{gap:14px}.brand-mark{width:64px;height:64px;border-radius:var(--radius-md);display:grid;place-items:center;color:var(--teal-400);background:linear-gradient(135deg,rgba(56,217,169,.12),rgba(77,171,247,.1));border:1px solid var(--border-glow);font-size:22px;overflow:hidden;box-shadow:0 0 22px rgba(56,217,169,.12)}.brand-logo{background:transparent;padding:0}.brand-logo img{width:86%;height:86%;object-fit:contain;object-position:center;display:block;filter:brightness(0) invert(1) drop-shadow(0 0 7px rgba(255,255,255,.22))}.brand-name{display:block;font-family:var(--font-display);font-weight:700;font-size:22px;color:var(--text-primary);line-height:1}.brand-tagline{display:block;font-family:var(--font-mono);font-size:10px;color:var(--text-muted);line-height:1.1}.nav-links{display:flex;align-items:center;gap:var(--sp-6);font-size:14px;font-weight:500;color:var(--text-secondary)}.nav-link{position:relative}.nav-link:after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--teal-400);transform:scaleX(0);transform-origin:left;transition:transform var(--duration-fast)}.nav-link:hover{color:var(--text-primary)}.nav-link:hover:after{transform:scaleX(1)}.credential{background:var(--teal-glow-sm);border:1px solid var(--border-glow);border-radius:var(--radius-full);padding:4px 12px;font-family:var(--font-mono);font-size:11px;color:var(--teal-400)}.mega{position:relative}.mega-trigger{background:transparent;border:0;color:inherit;font:inherit;padding:0}.mega-menu{position:absolute;top:42px;left:50%;transform:translateX(-50%);width:min(980px,calc(100vw - 48px));max-height:calc(100vh - 130px);overflow:auto;display:none;grid-template-columns:repeat(5,minmax(0,1fr));gap:var(--sp-4);background:rgba(13,21,38,.96);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--sp-5)}.mega.open .mega-menu,.mega:focus-within .mega-menu{display:grid}.mega-menu h4{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted);text-transform:uppercase;margin-bottom:var(--sp-2)}.mega-menu a{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:var(--text-sm);line-height:1.25}.mega-menu a:hover{background:var(--teal-glow);color:var(--text-primary)}.hamburger{display:none;background:transparent;border:1px solid var(--border-soft);border-radius:var(--radius-md);color:var(--text-primary);width:42px;height:42px}.mobile-menu{display:none;position:fixed;inset:var(--navbar-height) 0 0;background:var(--bg-deep);z-index:90;padding:var(--sp-6);border-top:1px solid var(--border-dim)}.mobile-menu.open{display:block}.mobile-menu a{display:block;padding:14px 0;border-bottom:1px solid var(--border-dim);color:var(--text-secondary)}.mobile-menu .mobile-tool-link{padding:9px 0 9px 18px;font-size:var(--text-sm);color:var(--text-muted)}.hero{min-height:0;position:relative;display:flex;align-items:center;overflow:hidden;background:radial-gradient(circle at 20% 30%,rgba(56,217,169,.12),transparent 60%),radial-gradient(circle at 80% 70%,rgba(77,171,247,.08),transparent 60%),var(--bg-void);padding:var(--sp-20) 0 var(--sp-16)}.hero-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.95}.hero-content{position:relative;z-index:2;max-width:800px;margin:0 auto;text-align:center}.hero h1{font-size:clamp(2.5rem,7vw,4.5rem)}.hero-subtitle{font-size:20px;max-width:700px;margin:var(--sp-5) auto}.trust-row{display:flex;justify-content:center;gap:0;flex-wrap:wrap;margin-top:var(--sp-8);font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}.trust-row span{padding:0 var(--sp-4);border-right:1px solid var(--border-dim)}.trust-row span:last-child{border-right:0}.scroll-indicator{display:none}@keyframes bounce{50%{transform:translate(-50%,8px)}}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,340px);grid-gap:var(--sp-8);gap:var(--sp-8);align-items:start;overflow:visible}.sidebar,.tool-layout>*{min-width:0}.sidebar{position:-webkit-sticky;position:sticky;top:92px;display:grid;grid-gap:var(--sp-6);gap:var(--sp-6)}.sidebar .card{width:100%;overflow:hidden}.sidebar a.card{display:block;margin-top:var(--sp-3);padding:var(--sp-4);white-space:normal;overflow-wrap:anywhere}.breadcrumb{background:var(--bg-surface);border-bottom:1px solid var(--border-dim);padding:12px 0;color:var(--text-muted);font-size:var(--text-sm)}.tool-card-main{padding:var(--sp-8);box-shadow:var(--shadow-md);overflow:hidden}.divider{border-top:1px solid var(--border-dim);margin:var(--sp-6) 0}.prose{max-width:850px}.prose li,.prose p{color:var(--text-secondary);line-height:1.8}.prose h2,.prose h3{margin-top:var(--sp-8);margin-bottom:var(--sp-4)}.blog-visual{margin:0;overflow:hidden;border:1px solid var(--border-dim);border-radius:var(--radius-xl);background:linear-gradient(145deg,rgba(17,30,53,.78),rgba(5,8,16,.92));box-shadow:var(--shadow-md)}.blog-visual svg{display:block;width:100%;height:auto}.blog-visual-bg{fill:rgba(13,21,38,.76);stroke:rgba(56,217,169,.26)}.blog-visual-path{fill:none;stroke:rgba(116,192,252,.42);stroke-width:4;stroke-linecap:round;stroke-dasharray:10 12}.blog-visual-text{font:600 15px var(--font-mono);fill:#050810}.blog-visual figcaption{padding:10px 16px;color:var(--text-muted);font-size:var(--text-sm);border-top:1px solid var(--border-dim)}.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--bg-surface);border-top:1px solid var(--border-soft);padding:var(--sp-4) var(--sp-6);z-index:9999;transform:translateY(100%);transition:transform .4s var(--ease-out);box-shadow:0 -4px 24px rgba(0,0,0,.4)}.cookie-banner.visible{transform:translateY(0)}.cookie-content{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-6);flex-wrap:wrap}.cookie-text{font-size:var(--text-sm);color:var(--text-secondary);margin:0}.cookie-link{color:var(--teal-400)}.cookie-actions{display:flex;gap:var(--sp-3);flex-shrink:0}.footer{background:var(--bg-void);border-top:1px solid var(--border-dim);position:relative}.footer:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--teal-400),transparent);opacity:.4}.footer-inner{padding:var(--sp-16) 0 var(--sp-8)}.footer-title{font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--sp-4)}.footer a{display:block;color:var(--text-secondary);font-size:var(--text-sm);margin-bottom:var(--sp-2)}.footer a:hover{color:var(--teal-400)}.footer-bottom{border-top:1px solid 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