.nav[data-astro-cid-yjd5jog4]{z-index:100;background:var(--bg-glass);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-glass);position:sticky;top:0}.nav-inner[data-astro-cid-yjd5jog4]{max-width:1200px;padding:0 var(--space-lg);align-items:center;gap:var(--space-sm);height:56px;margin:0 auto;display:flex}.nav-logo[data-astro-cid-yjd5jog4]{align-items:center;gap:var(--space-xs);color:var(--text-primary);margin-right:auto;font-size:16px;font-weight:600;text-decoration:none;display:flex}.nav-logo[data-astro-cid-yjd5jog4]:hover{text-decoration:none}.nav-link-r[data-astro-cid-yjd5jog4]{color:var(--text-secondary);border-radius:var(--radius-full);border:1px solid var(--border-glass);padding:4px 12px;font-size:13px;text-decoration:none;transition:all .2s}.nav-link-r[data-astro-cid-yjd5jog4]:hover{color:var(--text-primary);border-color:var(--hairline-strong);text-decoration:none}.theme-toggle[data-astro-cid-yjd5jog4]{background:var(--bg-card);border:1px solid var(--border-glass);border-radius:var(--radius-full);cursor:pointer;width:36px;height:36px;color:var(--text-primary);justify-content:center;align-items:center;transition:all .2s;display:flex}.theme-toggle[data-astro-cid-yjd5jog4]:hover{background:var(--bg-card-hover);transform:scale(1.05)}.theme-toggle[data-astro-cid-yjd5jog4]:active{transform:scale(.95)}html:not(.dark) .sun-icon[data-astro-cid-yjd5jog4]{display:block}html:not(.dark) .moon-icon[data-astro-cid-yjd5jog4],html.dark .sun-icon[data-astro-cid-yjd5jog4]{display:none}html.dark .moon-icon[data-astro-cid-yjd5jog4]{display:block}.main[data-astro-cid-yjd5jog4]{max-width:1200px;padding:0 var(--space-md);margin:0 auto}.hero[data-astro-cid-yjd5jog4]{padding:var(--space-5xl) var(--space-md) var(--space-4xl);text-align:center;position:relative;overflow:hidden}.hero-bg[data-astro-cid-yjd5jog4]{pointer-events:none;background:radial-gradient(at 50% 0,#7928ca14 0%,#50e3c20d 50%,#0000 70%);position:absolute;inset:0}html.dark .hero-bg[data-astro-cid-yjd5jog4]{background:radial-gradient(at 50% 0,#7928ca1f 0%,#50e3c214 50%,#0000 70%)}.hero-content[data-astro-cid-yjd5jog4]{z-index:1;position:relative}.hero-badge[data-astro-cid-yjd5jog4]{border-radius:var(--radius-full);color:var(--violet);margin-bottom:var(--space-md);background:#7928ca14;padding:4px 12px;font-size:12px;font-weight:500;display:inline-block}.hero-title[data-astro-cid-yjd5jog4]{letter-spacing:-2px;margin:0 0 var(--space-sm);color:var(--text-primary);font-size:clamp(32px,6vw,56px);font-weight:600;line-height:1.1}.hero-subtitle[data-astro-cid-yjd5jog4]{color:var(--text-secondary);max-width:560px;margin:0 auto;font-size:16px;line-height:1.6}.calculator-section[data-astro-cid-yjd5jog4]{padding-bottom:var(--space-5xl)}.calculator-grid[data-astro-cid-yjd5jog4]{gap:var(--space-lg);grid-template-columns:1fr 1.3fr;align-items:start;display:grid}@media (width<=900px){.calculator-grid[data-astro-cid-yjd5jog4]{grid-template-columns:1fr}}.inputs-panel[data-astro-cid-yjd5jog4]{gap:var(--space-md);flex-direction:column;display:flex;position:sticky;top:80px}@media (width<=900px){.inputs-panel[data-astro-cid-yjd5jog4]{position:static}}.glass-card[data-astro-cid-yjd5jog4]{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-glass);transition:background .3s,border-color .3s,transform .2s}.glass-card[data-astro-cid-yjd5jog4]:hover{background:var(--bg-card-hover)}.inputs-card[data-astro-cid-yjd5jog4]{padding:var(--space-xl)}.section-title[data-astro-cid-yjd5jog4]{letter-spacing:-.3px;margin:0 0 var(--space-lg);color:var(--text-primary);font-size:18px;font-weight:600}.mode-selector[data-astro-cid-yjd5jog4]{gap:var(--space-xs);flex-direction:column;display:flex}.mode-option[data-astro-cid-yjd5jog4]{padding:var(--space-md);border:1px solid var(--border-glass);border-radius:var(--radius-md);cursor:pointer;align-items:center;transition:all .2s;display:flex}.mode-option[data-astro-cid-yjd5jog4] input[data-astro-cid-yjd5jog4]{display:none}.mode-option[data-astro-cid-yjd5jog4] span[data-astro-cid-yjd5jog4]{color:var(--text-secondary);font-size:14px;font-weight:500;transition:color .2s}.mode-option[data-astro-cid-yjd5jog4].active{border-color:var(--violet);background:#7928ca0d}.mode-option[data-astro-cid-yjd5jog4].active span[data-astro-cid-yjd5jog4]{color:var(--text-primary)}.mode-option[data-astro-cid-yjd5jog4]:hover:not(.active){background:var(--bg-card-hover)}.input-group[data-astro-cid-yjd5jog4]{margin-bottom:var(--space-lg)}.input-header[data-astro-cid-yjd5jog4]{margin-bottom:var(--space-xs);justify-content:space-between;align-items:center;display:flex}.input-header[data-astro-cid-yjd5jog4] label[data-astro-cid-yjd5jog4]{color:var(--text-primary);font-size:13px;font-weight:500}.input-num[data-astro-cid-yjd5jog4]{border:1px solid var(--border-glass);border-radius:var(--radius-sm);background:var(--bg-primary);width:95px;color:var(--text-primary);font-size:13px;font-family:var(--font-sans);text-align:right;outline:none;padding:4px 8px;transition:border-color .2s}.input-num[data-astro-cid-yjd5jog4]:focus{border-color:var(--violet)}.slider-wrapper[data-astro-cid-yjd5jog4]{padding:4px 0}.slider[data-astro-cid-yjd5jog4]{appearance:none;background:var(--hairline);cursor:pointer;border-radius:2px;outline:none;width:100%;height:4px}.slider[data-astro-cid-yjd5jog4]::-webkit-slider-thumb{appearance:none;background:var(--violet);cursor:pointer;border:2px solid var(--canvas);border-radius:50%;width:18px;height:18px;transition:transform .2s;box-shadow:0 1px 4px #0003}.slider[data-astro-cid-yjd5jog4]::-webkit-slider-thumb:hover{transform:scale(1.15)}.slider[data-astro-cid-yjd5jog4]::-moz-range-thumb{background:var(--violet);cursor:pointer;border:2px solid var(--canvas);border-radius:50%;width:18px;height:18px;box-shadow:0 1px 4px #0003}.slider-labels[data-astro-cid-yjd5jog4]{color:var(--text-mute);justify-content:space-between;margin-top:4px;font-size:11px;display:flex}.unit-toggle[data-astro-cid-yjd5jog4]{gap:var(--space-xs);display:flex}.unit-btn[data-astro-cid-yjd5jog4]{padding:var(--space-sm) var(--space-md);border:1px solid var(--border-glass);border-radius:var(--radius-md);background:var(--bg-primary);color:var(--text-secondary);cursor:pointer;flex:1;font-size:13px;font-weight:500;transition:all .2s}.unit-btn[data-astro-cid-yjd5jog4].active{border-color:var(--violet);color:var(--text-primary);background:#7928ca14}.unit-btn[data-astro-cid-yjd5jog4]:hover:not(.active){background:var(--bg-card-hover)}.results-panel[data-astro-cid-yjd5jog4]{gap:var(--space-md);flex-direction:column;display:flex}.results-grid[data-astro-cid-yjd5jog4]{gap:var(--space-sm);grid-template-columns:1fr 1fr;display:grid}.result-card[data-astro-cid-yjd5jog4]{padding:var(--space-lg)}.result-label[data-astro-cid-yjd5jog4]{color:var(--text-mute);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--space-xxs);font-size:12px}.result-value[data-astro-cid-yjd5jog4]{letter-spacing:-.5px;color:var(--text-primary);font-size:clamp(20px,3vw,28px);font-weight:600}.result-value[data-astro-cid-yjd5jog4].small{letter-spacing:0;font-size:14px}.chart-container[data-astro-cid-yjd5jog4]{padding:var(--space-lg)}.chart-title[data-astro-cid-yjd5jog4]{margin:0 0 var(--space-md);color:var(--text-primary);font-size:15px;font-weight:600}.chart-wrapper[data-astro-cid-yjd5jog4]{width:100%}.section[data-astro-cid-yjd5jog4]{padding:var(--space-4xl) 0}.section-container[data-astro-cid-yjd5jog4]{max-width:900px;margin:0 auto}.section-heading[data-astro-cid-yjd5jog4]{letter-spacing:-.6px;margin:0 0 var(--space-xs);color:var(--text-primary);font-size:24px;font-weight:600}.section-desc[data-astro-cid-yjd5jog4]{color:var(--text-secondary);margin:0 0 var(--space-xl);font-size:14px}.explanation-card[data-astro-cid-yjd5jog4]{padding:var(--space-xl)}.explanation-header[data-astro-cid-yjd5jog4]{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-md);display:flex}.explanation-icon[data-astro-cid-yjd5jog4]{border-radius:var(--radius-md);width:40px;height:40px;color:var(--violet);background:linear-gradient(135deg,#7928ca1a,#50e3c21a);flex-shrink:0;justify-content:center;align-items:center;display:flex}.explanation-header[data-astro-cid-yjd5jog4] h3[data-astro-cid-yjd5jog4]{color:var(--text-primary);margin:0;font-size:18px;font-weight:600}.explanation-text[data-astro-cid-yjd5jog4]{color:var(--text-secondary);font-size:14px;line-height:1.7}.explanation-text[data-astro-cid-yjd5jog4] p[data-astro-cid-yjd5jog4]{margin:0 0 var(--space-sm)}.explanation-text[data-astro-cid-yjd5jog4] strong[data-astro-cid-yjd5jog4]{color:var(--text-primary)}.insights-grid[data-astro-cid-yjd5jog4]{gap:var(--space-md);grid-template-columns:1fr 1fr;display:grid}@media (width<=700px){.insights-grid[data-astro-cid-yjd5jog4]{grid-template-columns:1fr}}.insight-card[data-astro-cid-yjd5jog4]{padding:var(--space-lg);gap:var(--space-md);opacity:0;align-items:flex-start;animation:.5s forwards fadeInUp;display:flex}.insight-card[data-astro-cid-yjd5jog4]:first-child{animation-delay:.1s}.insight-card[data-astro-cid-yjd5jog4]:nth-child(2){animation-delay:.2s}.insight-card[data-astro-cid-yjd5jog4]:nth-child(3){animation-delay:.3s}.insight-card[data-astro-cid-yjd5jog4]:nth-child(4){animation-delay:.4s}.insight-icon[data-astro-cid-yjd5jog4]{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.insight-info[data-astro-cid-yjd5jog4]{color:var(--link);background:#0070f31a}.insight-trending[data-astro-cid-yjd5jog4]{color:var(--violet);background:#7928ca1a}.insight-heart[data-astro-cid-yjd5jog4]{color:var(--highlight-pink);background:#ff00801a}.insight-lightbulb[data-astro-cid-yjd5jog4]{color:var(--warning);background:#f5a62326}.insight-content[data-astro-cid-yjd5jog4] h4[data-astro-cid-yjd5jog4]{color:var(--text-primary);margin:0 0 4px;font-size:14px;font-weight:600}.insight-content[data-astro-cid-yjd5jog4] p[data-astro-cid-yjd5jog4]{color:var(--text-secondary);margin:0;font-size:13px;line-height:1.5}.related-grid[data-astro-cid-yjd5jog4]{gap:var(--space-md);grid-template-columns:repeat(4,1fr);display:grid}@media (width<=800px){.related-grid[data-astro-cid-yjd5jog4]{grid-template-columns:repeat(2,1fr)}}@media (width<=500px){.related-grid[data-astro-cid-yjd5jog4]{grid-template-columns:1fr}}.related-card[data-astro-cid-yjd5jog4]{padding:var(--space-lg);color:inherit;gap:var(--space-xs);flex-direction:column;text-decoration:none;transition:transform .2s,box-shadow .2s;display:flex}.related-card[data-astro-cid-yjd5jog4]:hover{box-shadow:var(--shadow-level-4);text-decoration:none;transform:translateY(-2px)}.related-icon[data-astro-cid-yjd5jog4]{border-radius:var(--radius-md);width:40px;height:40px;color:var(--violet);background:linear-gradient(135deg,#7928ca1a,#50e3c21a);justify-content:center;align-items:center;display:flex}.related-card[data-astro-cid-yjd5jog4] h3[data-astro-cid-yjd5jog4]{color:var(--text-primary);margin:0;font-size:14px;font-weight:600}.related-card[data-astro-cid-yjd5jog4] p[data-astro-cid-yjd5jog4]{color:var(--text-mute);margin:0;font-size:12px;line-height:1.4}.edu-grid[data-astro-cid-yjd5jog4]{gap:var(--space-md);margin-bottom:var(--space-3xl);grid-template-columns:1fr 1fr;display:grid}@media (width<=700px){.edu-grid[data-astro-cid-yjd5jog4]{grid-template-columns:1fr}}.edu-card[data-astro-cid-yjd5jog4]{padding:var(--space-xl)}.edu-icon[data-astro-cid-yjd5jog4]{border-radius:var(--radius-md);width:36px;height:36px;color:var(--violet);margin-bottom:var(--space-sm);background:linear-gradient(135deg,#7928ca1a,#50e3c21a);justify-content:center;align-items:center;display:flex}.edu-card[data-astro-cid-yjd5jog4] h3[data-astro-cid-yjd5jog4]{margin:0 0 var(--space-sm);color:var(--text-primary);font-size:16px;font-weight:600}.edu-card[data-astro-cid-yjd5jog4] p[data-astro-cid-yjd5jog4]{color:var(--text-secondary);margin:0 0 var(--space-sm);font-size:13px;line-height:1.7}.edu-card[data-astro-cid-yjd5jog4] ul[data-astro-cid-yjd5jog4]{padding:0 0 0 var(--space-lg);color:var(--text-secondary);margin:0;font-size:13px;line-height:1.8}.edu-card[data-astro-cid-yjd5jog4] li[data-astro-cid-yjd5jog4] strong[data-astro-cid-yjd5jog4]{color:var(--text-primary)}.faq-section[data-astro-cid-yjd5jog4]{margin-top:var(--space-2xl)}.faq-grid[data-astro-cid-yjd5jog4]{gap:var(--space-sm);margin-top:var(--space-lg);display:grid}.faq-item[data-astro-cid-yjd5jog4]{padding:0;overflow:hidden}.faq-item[data-astro-cid-yjd5jog4] details[data-astro-cid-yjd5jog4]{padding:var(--space-md) var(--space-lg);cursor:pointer}.faq-item[data-astro-cid-yjd5jog4] summary[data-astro-cid-yjd5jog4]{color:var(--text-primary);cursor:pointer;align-items:center;gap:var(--space-xs);font-size:14px;font-weight:500;list-style:none;display:flex}.faq-item[data-astro-cid-yjd5jog4] summary[data-astro-cid-yjd5jog4]::-webkit-details-marker{display:none}.faq-item[data-astro-cid-yjd5jog4] summary[data-astro-cid-yjd5jog4]:before{content:"+";color:var(--violet);flex-shrink:0;width:20px;font-size:18px;font-weight:400}.faq-item[data-astro-cid-yjd5jog4] details[data-astro-cid-yjd5jog4][open] summary[data-astro-cid-yjd5jog4]:before{content:"−"}.faq-item[data-astro-cid-yjd5jog4] p[data-astro-cid-yjd5jog4]{color:var(--text-secondary);margin:var(--space-sm) 0 0 var(--space-lg);font-size:13px;line-height:1.7}.footer[data-astro-cid-yjd5jog4]{border-top:1px solid var(--border-glass);padding:var(--space-xl) 0;margin-top:var(--space-4xl)}.footer-inner[data-astro-cid-yjd5jog4]{max-width:1200px;padding:0 var(--space-lg);text-align:center;color:var(--text-mute);margin:0 auto;font-size:12px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}