.site-header[data-astro-cid-nen7h5rs]{z-index:50;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);background-color:#090d16eb;position:sticky;top:0}.header-inner[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;gap:var(--space-md);height:70px;display:flex}.brand-link[data-astro-cid-nen7h5rs]{align-items:center;text-decoration:none;display:flex}.brand-logo[data-astro-cid-nen7h5rs]{width:auto;height:36px;display:block}.desktop-nav[data-astro-cid-nen7h5rs]{display:none}@media (width>=900px){.desktop-nav[data-astro-cid-nen7h5rs]{display:block}}.nav-list[data-astro-cid-nen7h5rs]{align-items:center;gap:1.25rem;list-style:none;display:flex}.nav-link[data-astro-cid-nen7h5rs]{color:var(--text-secondary);padding:.5rem .25rem;font-size:.925rem;font-weight:500;text-decoration:none;transition:color .15s}.nav-link[data-astro-cid-nen7h5rs]:hover{color:var(--brand-accent);text-decoration:none}.header-actions[data-astro-cid-nen7h5rs]{align-items:center;gap:var(--space-sm);display:flex}.quick-badge[data-astro-cid-nen7h5rs]{color:var(--brand-accent);border-radius:var(--radius-full);background-color:#0284c71a;border:1px solid #38bdf840;align-items:center;gap:.45rem;padding:.35rem .75rem;font-size:.785rem;font-weight:600;text-decoration:none;transition:all .15s;display:none}@media (width>=640px){.quick-badge[data-astro-cid-nen7h5rs]{display:inline-flex}}.quick-badge[data-astro-cid-nen7h5rs]:hover{border-color:var(--brand-accent);background-color:#0284c733;text-decoration:none}.pulse-dot[data-astro-cid-nen7h5rs]{background-color:var(--brand-emerald);width:6px;height:6px;box-shadow:0 0 8px var(--brand-emerald);border-radius:50%}.mobile-menu-btn[data-astro-cid-nen7h5rs]{border:1px solid var(--border-medium);border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;background:0 0;justify-content:center;align-items:center;padding:.45rem;display:flex}@media (width>=900px){.mobile-menu-btn[data-astro-cid-nen7h5rs]{display:none}}.mobile-nav[data-astro-cid-nen7h5rs]{background-color:var(--bg-surface);border-bottom:1px solid var(--border-medium);padding:var(--space-md) 0}.mobile-nav-list[data-astro-cid-nen7h5rs]{flex-direction:column;gap:.5rem;list-style:none;display:flex}.mobile-nav-link[data-astro-cid-nen7h5rs]{color:var(--text-primary);border-radius:var(--radius-sm);padding:.65rem .5rem;font-size:1rem;font-weight:500;text-decoration:none;display:block}.mobile-nav-link[data-astro-cid-nen7h5rs]:hover{background-color:var(--bg-surface-elevated);color:var(--brand-accent);text-decoration:none}.mobile-nav-link[data-astro-cid-nen7h5rs].secondary{color:var(--text-muted);border-top:1px solid var(--border-subtle);margin-top:.5rem;padding-top:.75rem;font-size:.9rem}.site-footer[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--border-subtle);padding-top:var(--space-3xl);background-color:#060911;margin-top:auto}.footer-top[data-astro-cid-jo6i4kqk]{gap:var(--space-2xl);padding-bottom:var(--space-3xl);grid-template-columns:1fr;display:grid}@media (width>=960px){.footer-top[data-astro-cid-jo6i4kqk]{grid-template-columns:1.2fr 2fr}}.footer-brand-col[data-astro-cid-jo6i4kqk]{gap:var(--space-md);flex-direction:column;display:flex}.footer-logo-link[data-astro-cid-jo6i4kqk]{display:inline-block}.footer-logo[data-astro-cid-jo6i4kqk]{width:auto;height:32px}.footer-tagline[data-astro-cid-jo6i4kqk]{color:var(--text-secondary);margin-bottom:0;font-size:.95rem;line-height:1.6}.footer-rule-box[data-astro-cid-jo6i4kqk]{background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:var(--space-md)}.rule-title[data-astro-cid-jo6i4kqk]{text-transform:uppercase;color:var(--brand-accent);margin-bottom:.25rem;font-size:.75rem;font-weight:700;display:block}.footer-rule-box[data-astro-cid-jo6i4kqk] code[data-astro-cid-jo6i4kqk]{font-family:var(--font-mono);color:var(--brand-emerald);margin-bottom:.25rem;font-size:1.1rem;font-weight:700;display:block}.rule-desc[data-astro-cid-jo6i4kqk]{color:var(--text-muted);margin-bottom:0;font-size:.8rem;line-height:1.4}.footer-links-grid[data-astro-cid-jo6i4kqk]{gap:var(--space-xl);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));display:grid}.footer-col[data-astro-cid-jo6i4kqk]{flex-direction:column;display:flex}.footer-heading[data-astro-cid-jo6i4kqk]{color:var(--text-primary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:var(--space-md);font-size:.85rem;font-weight:700;display:block}.footer-list[data-astro-cid-jo6i4kqk]{flex-direction:column;gap:.6rem;list-style:none;display:flex}.footer-list[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--text-secondary);font-size:.9rem;text-decoration:none;transition:color .15s}.footer-list[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--brand-accent);text-decoration:underline}.footer-bottom[data-astro-cid-jo6i4kqk]{padding:var(--space-md) 0;background-color:#030509;border-top:1px solid #ffffff0a}.footer-bottom-inner[data-astro-cid-jo6i4kqk]{justify-content:space-between;align-items:center;gap:var(--space-sm);text-align:center;flex-direction:column;display:flex}@media (width>=768px){.footer-bottom-inner[data-astro-cid-jo6i4kqk]{text-align:left;flex-direction:row}}.copyright[data-astro-cid-jo6i4kqk]{color:var(--text-muted);margin-bottom:0;font-size:.825rem}.footer-standards[data-astro-cid-jo6i4kqk]{flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;display:flex}.standard-pill[data-astro-cid-jo6i4kqk]{color:var(--text-muted);background-color:var(--bg-surface);border-radius:var(--radius-sm);border:1px solid var(--border-subtle);padding:.2rem .5rem;font-size:.725rem}:root{--bg-main:#090d16;--bg-surface:#0f172a;--bg-surface-elevated:#1e293b;--bg-surface-hover:#273549;--bg-input:#0b1120;--border-subtle:#1e293b;--border-medium:#334155;--border-accent:#0284c7;--border-focus:#38bdf8;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--text-inverse:#090d16;--brand-primary:#0284c7;--brand-hover:#0369a1;--brand-accent:#38bdf8;--brand-accent-glow:#38bdf826;--brand-emerald:#10b981;--brand-emerald-glow:#10b98126;--brand-amber:#f59e0b;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--space-xs:.25rem;--space-sm:.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4.5rem;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0006, 0 2px 4px -2px #0000004d;--shadow-lg:0 10px 25px -5px #00000080, 0 8px 10px -6px #0006;--shadow-glow:0 0 25px -5px #38bdf840;--container-max:1180px;--container-narrow:840px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);background-color:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;line-height:1.6}body{flex-direction:column;min-height:100vh;display:flex}main{flex:1}h1,h2,h3,h4{color:var(--text-primary);letter-spacing:-.02em;font-weight:700;line-height:1.25}h1{margin-bottom:var(--space-md);font-size:clamp(2rem,4vw + 1rem,3rem)}h2{margin-bottom:var(--space-md);font-size:clamp(1.5rem,2.5vw + .5rem,2rem)}h3{margin-bottom:var(--space-sm);font-size:1.25rem}p{color:var(--text-secondary);margin-bottom:var(--space-md);font-size:1.0625rem;line-height:1.65}a{color:var(--brand-accent);text-decoration:none;transition:color .15s}a:hover{color:#7dd3fc;text-decoration:underline}:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}.container{width:100%;max-width:var(--container-max);padding-left:var(--space-md);padding-right:var(--space-md);margin-left:auto;margin-right:auto}.container-narrow{width:100%;max-width:var(--container-narrow);padding-left:var(--space-md);padding-right:var(--space-md);margin-left:auto;margin-right:auto}.section{padding-top:var(--space-2xl);padding-bottom:var(--space-2xl)}.section-hero{padding-top:var(--space-xl);padding-bottom:var(--space-2xl)}.btn{border-radius:var(--radius-md);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;min-height:44px;padding:.65rem 1.25rem;font-size:.95rem;font-weight:600;transition:all .15s;display:inline-flex}.btn-primary{background-color:var(--brand-primary);color:#fff}.btn-primary:hover{background-color:var(--brand-hover);text-decoration:none;box-shadow:0 0 15px #0284c766}.btn-secondary{background-color:var(--bg-surface-elevated);border-color:var(--border-medium);color:var(--text-primary)}.btn-secondary:hover{background-color:var(--bg-surface-hover);border-color:var(--border-accent);text-decoration:none}.card{background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-xl);box-shadow:var(--shadow-md)}.table-responsive{-webkit-overflow-scrolling:touch;width:100%;margin-bottom:var(--space-lg);border-radius:var(--radius-md);border:1px solid var(--border-subtle);overflow-x:auto}.data-table{border-collapse:collapse;text-align:left;width:100%;font-size:.95rem}.data-table th{background-color:var(--bg-surface-elevated);color:var(--text-primary);border-bottom:1px solid var(--border-medium);white-space:nowrap;padding:.85rem 1rem;font-weight:600}.data-table td{border-bottom:1px solid var(--border-subtle);color:var(--text-secondary);padding:.85rem 1rem}.data-table tr:hover td{background-color:var(--bg-surface-elevated);color:var(--text-primary)}.data-table .highlight{color:var(--brand-accent);font-weight:600;font-family:var(--font-mono)}.badge{text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-full);color:var(--brand-accent);background-color:#38bdf81f;border:1px solid #38bdf840;align-items:center;gap:.35rem;padding:.25rem .65rem;font-size:.75rem;font-weight:700;display:inline-flex}.badge-emerald{color:var(--brand-emerald);background-color:#10b9811f;border-color:#10b98140}.direct-answer{border:1px solid #38bdf840;border-left:4px solid var(--brand-accent);border-radius:var(--radius-md);padding:var(--space-lg);margin-top:var(--space-md);margin-bottom:var(--space-xl);background:linear-gradient(135deg,#0284c714 0%,#0f172acc 100%)}.direct-answer p{color:var(--text-primary);margin-bottom:.5rem}.direct-answer p:last-child{margin-bottom:0}.direct-answer strong{color:var(--brand-accent)}.calc-wrapper{background:linear-gradient(180deg, var(--bg-surface) 0%, #0f172af2 100%);border:1px solid var(--border-medium);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg), var(--shadow-glow);position:relative;overflow:hidden}.calc-tabs{background-color:var(--bg-input);border-bottom:1px solid var(--border-subtle);scrollbar-width:none;display:flex;overflow-x:auto}.calc-tabs::-webkit-scrollbar{display:none}.calc-tab{min-width:140px;color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;justify-content:center;align-items:center;gap:.5rem;padding:.9rem 1rem;font-size:.9rem;font-weight:600;transition:all .2s;display:flex}.calc-tab:hover{color:var(--text-primary);background-color:#ffffff05}.calc-tab.active{color:var(--brand-accent);border-bottom-color:var(--brand-accent);background-color:#0284c714}.calc-body{gap:var(--space-xl);padding:var(--space-xl);grid-template-columns:1fr;display:grid}@media (width>=840px){.calc-body{grid-template-columns:1.2fr 1fr;align-items:stretch}}.calc-inputs{gap:var(--space-lg);flex-direction:column;display:flex}.input-group{flex-direction:column;gap:.4rem;display:flex}.input-label{color:var(--text-primary);justify-content:space-between;align-items:center;font-size:.875rem;font-weight:600;display:flex}.input-hint{color:var(--text-muted);font-size:.75rem;font-weight:400}.input-field-wrapper{background-color:var(--bg-input);border:1.5px solid var(--border-medium);border-radius:var(--radius-md);align-items:center;transition:border-color .15s,box-shadow .15s;display:flex;overflow:hidden}.input-field-wrapper:focus-within{border-color:var(--border-focus);box-shadow:0 0 0 3px #38bdf826}.calc-input{color:var(--text-primary);font-size:1.25rem;font-weight:600;font-family:var(--font-sans);background:0 0;border:none;flex:1;width:100%;min-width:0;padding:.75rem 1rem}.calc-input:focus{outline:none}.calc-unit-select{background-color:var(--bg-surface-elevated);border:none;border-left:1px solid var(--border-medium);color:var(--text-primary);cursor:pointer;outline:none;min-height:48px;padding:.75rem 1rem;font-size:.95rem;font-weight:600;transition:background-color .15s}.calc-unit-select:hover{background-color:var(--bg-surface-hover)}.efficiency-selector{flex-direction:column;gap:.4rem;display:flex}.efficiency-options{grid-template-columns:repeat(auto-fit,minmax(65px,1fr));gap:.4rem;display:grid}.eff-btn{background-color:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;text-align:center;padding:.5rem .25rem;font-size:.8rem;font-weight:600;transition:all .15s}.eff-btn:hover{border-color:var(--border-medium);color:var(--text-primary)}.eff-btn.active{border-color:var(--brand-accent);color:var(--brand-accent);background-color:#0284c726}.standard-toggle{background-color:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-secondary);justify-content:space-between;align-items:center;padding:.6rem .85rem;font-size:.825rem;display:flex}.standard-options{gap:.35rem;display:flex}.standard-btn{border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000;padding:.25rem .6rem;font-size:.75rem;font-weight:600}.standard-btn.active{background-color:var(--bg-surface-elevated);border-color:var(--border-medium);color:var(--text-primary)}.calc-actions{gap:var(--space-sm);margin-top:.5rem;display:flex}.calc-result-panel{border:1.5px solid var(--border-accent);border-radius:var(--radius-md);padding:var(--space-lg);background:linear-gradient(135deg,#0f172af2 0%,#0b1329fa 100%);flex-direction:column;justify-content:space-between;display:flex;box-shadow:inset 0 0 30px #0284c714}.result-header{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.result-title{text-transform:uppercase;letter-spacing:.08em;color:var(--brand-accent);font-size:.85rem;font-weight:700}.result-main{margin:var(--space-md) 0}.result-duration{color:#fff;letter-spacing:-.02em;word-break:break-word;font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:800;line-height:1.15}.result-tagline{color:var(--text-muted);margin-top:.35rem;font-size:.875rem}.result-metrics{gap:var(--space-sm);margin:var(--space-md) 0;padding:var(--space-md) 0;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle);grid-template-columns:1fr 1fr;display:grid}.metric-item{flex-direction:column;display:flex}.metric-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem}.metric-value{color:var(--text-primary);font-size:1.05rem;font-weight:700;font-family:var(--font-mono);margin-top:.15rem}.metric-value.highlight{color:var(--brand-emerald)}.result-footer{justify-content:space-between;align-items:center;gap:var(--space-sm);margin-top:var(--space-sm);display:flex}.copy-btn{color:var(--brand-accent);border-radius:var(--radius-sm);cursor:pointer;background-color:#38bdf81a;border:1px solid #38bdf84d;align-items:center;gap:.4rem;padding:.5rem .85rem;font-size:.825rem;font-weight:600;transition:all .15s;display:inline-flex}.copy-btn:hover{color:#fff;background-color:#38bdf833}.copy-btn.copied{border-color:var(--brand-emerald);color:var(--brand-emerald);background-color:#10b98133}.calc-presets{padding:.75rem var(--space-xl);border-top:1px solid var(--border-subtle);scrollbar-width:none;background-color:#0f172a80;align-items:center;gap:.5rem;display:flex;overflow-x:auto}.presets-label{text-transform:uppercase;color:var(--text-muted);white-space:nowrap;font-size:.75rem;font-weight:700}.preset-chip{background-color:var(--bg-surface-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;white-space:nowrap;padding:.25rem .75rem;font-size:.8rem;font-weight:500;transition:all .15s}.preset-chip:hover{background-color:var(--bg-surface-hover);border-color:var(--border-accent);color:var(--brand-accent)}