:root{--bg-primary:#09090b;--bg-secondary:#111113;--bg-elevated:#18181b;--bg-card:#141416;--bg-input:#1c1c1f;--border:#ffffff0f;--border-hover:#ffffff1f;--border-focus:#6366f1;--text-primary:#fafafa;--text-secondary:#a1a1aa;--text-tertiary:#71717a;--text-muted:#52525b;--accent:#6366f1;--accent-hover:#818cf8;--accent-muted:#6366f11f;--accent-glow:#6366f126;--success:#22c55e;--warning:#f59e0b;--error:#ef4444;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--ease:cubic-bezier(.16, 1, .3, 1);--duration:.2s}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{background:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}::selection{background:var(--accent);color:#fff}.container{max-width:1100px;margin:0 auto;padding:0 24px}.navbar{z-index:100;-webkit-backdrop-filter:blur(16px)saturate(1.4);backdrop-filter:blur(16px)saturate(1.4);border-bottom:1px solid var(--border);background:#09090bcc;height:56px;padding:0 24px;position:sticky;top:0}.navbar .container{justify-content:space-between;align-items:center;height:100%;display:flex}.navbar-logo{letter-spacing:-.02em;color:var(--text-primary);align-items:center;gap:10px;font-size:.95rem;font-weight:600;display:flex}.navbar-logo img{border-radius:6px;width:28px;height:28px}.navbar-logo .brand{color:var(--accent)}.navbar-search{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);width:240px;transition:border-color var(--duration) var(--ease);align-items:center;gap:8px;padding:6px 14px;display:flex}.navbar-search:focus-within{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-muted)}.navbar-search svg{color:var(--text-muted);flex-shrink:0}.navbar-search input{color:var(--text-primary);background:0 0;border:none;outline:none;width:100%;font-family:inherit;font-size:.82rem}.navbar-search input::placeholder{color:var(--text-muted)}.hero{text-align:center;padding:100px 0 60px;position:relative;overflow:hidden}.hero h1{letter-spacing:-.04em;color:var(--text-primary);font-size:clamp(2.8rem,6vw,4.5rem);font-weight:800;line-height:1.05}.hero .accent{background:linear-gradient(135deg, var(--accent) 0%, #a78bfa 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.hero p{color:var(--text-secondary);max-width:480px;margin-top:20px;margin-left:auto;margin-right:auto;font-size:1.05rem;line-height:1.7}.hero:before{content:"";background:radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);pointer-events:none;z-index:-1;width:700px;height:500px;position:absolute;top:-200px;left:50%;transform:translate(-50%)}.hero-orb{display:none}.category-pills{flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:40px;display:flex}.pill{border:1px solid var(--border);color:var(--text-tertiary);cursor:pointer;transition:all var(--duration) var(--ease);background:0 0;border-radius:100px;align-items:center;gap:5px;padding:7px 16px;font-family:inherit;font-size:.78rem;font-weight:500;display:flex}.pill:hover{color:var(--text-secondary);border-color:var(--border-hover);background:var(--bg-elevated)}.pill.active{background:var(--accent-muted);border-color:var(--accent);color:var(--accent-hover)}.calc-grid{background:var(--border);border:1px solid var(--border);border-radius:var(--radius-lg);grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1px;margin-bottom:80px;display:grid;overflow:hidden}.calc-card{background:var(--bg-primary);transition:background var(--duration) var(--ease);cursor:pointer;flex-direction:column;gap:10px;padding:28px 24px;display:flex}.calc-card:hover{background:var(--bg-elevated)}.calc-card-icon{border-radius:var(--radius-sm);background:var(--accent-muted);width:36px;height:36px;color:var(--accent);justify-content:center;align-items:center;display:flex}.calc-card-icon.health,.calc-card-icon.finance,.calc-card-icon.math,.calc-card-icon.everyday,.calc-card-icon.lifestyle{background:var(--accent-muted);color:var(--accent)}.calc-card h3{letter-spacing:-.01em;color:var(--text-primary);font-size:.92rem;font-weight:600}.calc-card p{color:var(--text-tertiary);font-size:.82rem;line-height:1.5}.calc-card-tag{color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-top:auto;font-size:.68rem;font-weight:500;display:inline-block}.calc-page{min-height:70vh;padding:40px 0 80px}.calc-page-header{margin-bottom:40px}.calc-page-back{color:var(--text-muted);transition:color var(--duration) var(--ease);align-items:center;gap:4px;margin-bottom:24px;font-size:.8rem;display:inline-flex}.calc-page-back:hover{color:var(--text-secondary)}.calc-page-title{letter-spacing:-.03em;color:var(--text-primary);align-items:center;gap:14px;font-size:1.8rem;font-weight:700;display:flex}.calc-page-title svg{color:var(--accent)}.calc-page-desc{color:var(--text-secondary);margin-top:10px;font-size:.95rem;line-height:1.6}.calc-workspace{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:32px;padding:32px}.calc-row{align-items:center;gap:16px;margin-bottom:16px;display:flex}.calc-label{width:140px;color:var(--text-secondary);flex-shrink:0;font-size:.82rem;font-weight:500}.calc-input,.calc-select{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);transition:all var(--duration) var(--ease);appearance:none;outline:none;flex:1;padding:10px 14px;font-family:inherit;font-size:.88rem}.calc-input:focus,.calc-select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-muted)}.calc-input::placeholder{color:var(--text-muted)}.calc-btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--duration) var(--ease);white-space:nowrap;border:none;padding:9px 20px;font-family:inherit;font-size:.82rem;font-weight:500}.calc-btn-primary{background:var(--accent);color:#fff}.calc-btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.calc-btn-secondary{background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border)}.calc-btn-secondary:hover{background:var(--bg-elevated);border-color:var(--border-hover);color:var(--text-primary)}.calc-result{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);margin-top:24px;padding:24px}.calc-result-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:6px;font-size:.72rem;font-weight:500}.calc-result-value{letter-spacing:-.03em;color:var(--text-primary);font-size:2rem;font-weight:700}.calc-result-detail{color:var(--text-tertiary);margin-top:8px;font-size:.82rem}.result-grid{background:var(--border);border:1px solid var(--border);border-radius:var(--radius-md);grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1px;margin-top:20px;display:grid;overflow:hidden}.result-card{background:var(--bg-card);padding:20px}.result-card-value{letter-spacing:-.02em;color:var(--text-primary);font-size:1.2rem;font-weight:700}.result-card-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-top:4px;font-size:.72rem}.related-section{margin-top:48px}.related-section h2{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:16px;font-size:.82rem;font-weight:500}.related-grid{flex-wrap:wrap;gap:8px;display:flex}.related-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);transition:all var(--duration) var(--ease);align-items:center;gap:8px;padding:10px 16px;font-size:.82rem;display:flex}.related-card:hover{border-color:var(--border-hover);color:var(--text-primary);background:var(--bg-elevated)}.related-card svg{color:var(--accent)}.faq-section{margin-top:48px}.faq-section h2{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:16px;font-size:.82rem;font-weight:500}.faq-item{border-bottom:1px solid var(--border);cursor:pointer}.faq-item:first-of-type{border-top:1px solid var(--border)}.faq-question{width:100%;color:var(--text-primary);cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;padding:16px 0;font-family:inherit;font-size:.88rem;font-weight:500;display:flex}.faq-chevron{color:var(--text-muted);transition:transform .3s var(--ease);flex-shrink:0}.faq-item.open .faq-chevron{transform:rotate(180deg)}.faq-answer{max-height:0;transition:max-height .3s var(--ease);overflow:hidden}.faq-item.open .faq-answer{max-height:200px}.faq-answer p{color:var(--text-tertiary);padding-bottom:16px;font-size:.84rem;line-height:1.7}.legal-content h2{color:var(--text-primary);margin-top:28px;margin-bottom:10px;font-size:1rem;font-weight:600}.legal-content h3{color:var(--text-secondary);margin-top:20px;margin-bottom:8px;font-size:.88rem;font-weight:600}.legal-content p,.legal-content li{color:var(--text-tertiary);margin-bottom:6px;font-size:.85rem;line-height:1.7}.legal-content ul{padding-left:20px}.legal-content a{color:var(--accent)}.legal-content a:hover{text-decoration:underline}.footer{border-top:1px solid var(--border);text-align:center;padding:32px 24px}.footer-links{justify-content:center;gap:24px;margin-bottom:12px;display:flex}.footer-links a{color:var(--text-muted);transition:color var(--duration) var(--ease);font-size:.78rem}.footer-links a:hover{color:var(--text-secondary)}.footer-copy{color:var(--text-muted);font-size:.72rem}@media (width<=768px){.hero{padding:60px 0 40px}.hero h1{font-size:2.2rem}.calc-grid{grid-template-columns:1fr}.navbar-search{width:180px}.calc-row{flex-direction:column;align-items:flex-start;gap:8px}.calc-label{width:auto}.calc-workspace{padding:20px}.result-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=480px){.navbar-search{display:none}.hero h1{font-size:1.8rem}}