@import "https://fonts.googleapis.com/css2?family=Syne:wght@800&family=Space+Mono:wght@400;700&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&family=Noto+Color+Emoji&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0d0d14;--bg2:#14141e;--bg3:#1c1c28;--bg4:#242432;--border:#ffffff17;--border-active:#ffffff38;--text:#e8e7f0;--text2:#a9a8b8;--text3:#686778;--accent:#7c6ae0;--accent2:#b0a0ff;--accent-glow:#7c6ae02e;--shadow:0 4px 24px #0006;--header-bg:#0d0d14eb;--mono:"Space Mono", monospace;--sans:"DM Sans", sans-serif;--brand:"Syne", sans-serif;--emoji:"Noto Color Emoji", "Apple Color Emoji", "Segoe UI Emoji", sans-serif;--radius:10px;--radius-lg:16px;--transition:.18s ease}[data-theme=light]{--bg:#f5f4f8;--bg2:#fff;--bg3:#eeecf5;--bg4:#e5e3f0;--border:#00000017;--border-active:#00000038;--text:#1a1826;--text2:#4a4862;--text3:#8c8aa8;--accent:#6552cc;--accent2:#5240b0;--accent-glow:#6552cc1a;--shadow:0 4px 24px #00000014;--header-bg:#f5f4f8f0}html{scroll-behavior:smooth}body{font-family:var(--sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.6;transition:background .25s,color .25s}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:0 24px}.site-header{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(14px);background:var(--header-bg);z-index:100;position:sticky;top:0}.site-header .container{justify-content:space-between;align-items:center;gap:16px;height:58px;display:flex}.logo{font-family:var(--brand);letter-spacing:-.5px;flex-shrink:0;align-items:center;gap:8px;font-size:16px;font-weight:800;display:flex}.logo-icon{flex-shrink:0;display:block}.logo-wordmark{font-family:var(--brand);letter-spacing:-.5px;color:var(--text);font-size:16px;font-weight:800}.logo-z{color:#ff4d1c}.search-wrap{flex:1;max-width:400px;position:relative}.search-input{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);font-family:var(--sans);transition:border-color var(--transition), background var(--transition);outline:none;padding:8px 14px 8px 36px;font-size:14px}.search-input::placeholder{color:var(--text3)}.search-input:focus{border-color:var(--border-active);background:var(--bg2)}.search-icon{color:var(--text3);pointer-events:none;font-size:14px;font-family:var(--emoji);position:absolute;top:50%;left:11px;transform:translateY(-50%)}.theme-toggle{border:1px solid var(--border);background:var(--bg3);width:36px;height:36px;color:var(--text2);cursor:pointer;transition:all var(--transition);font-size:16px;font-family:var(--emoji);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.theme-toggle:hover{border-color:var(--border-active);color:var(--text)}.hero{text-align:center;padding:72px 0 56px;position:relative;overflow:hidden}.hero:before{content:"";background:radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);pointer-events:none;width:600px;height:400px;position:absolute;top:-80px;left:50%;transform:translate(-50%)}.hero-eyebrow{font-family:var(--mono);letter-spacing:2px;text-transform:uppercase;color:var(--accent2);margin-bottom:18px;font-size:11px}.hero h1{letter-spacing:-1.5px;margin-bottom:16px;font-size:clamp(30px,5vw,50px);font-weight:300;line-height:1.1}.hero h1 strong{font-weight:600}.hero p{color:var(--text2);max-width:460px;margin:0 auto 36px;font-size:17px}.category-pills{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.pill{border:1px solid var(--border);cursor:pointer;transition:all var(--transition);color:var(--text2);font-size:13px;font-weight:500;font-family:var(--sans), var(--emoji);background:0 0;border-radius:100px;align-items:center;gap:6px;padding:6px 15px;display:flex}.pill:hover{border-color:var(--border-active);color:var(--text)}.pill.active{background:var(--accent);border-color:var(--accent);color:#fff}.section{padding:48px 0}.section-header{justify-content:space-between;align-items:baseline;margin-bottom:20px;display:flex}.section-title{font-size:12px;font-family:var(--mono);letter-spacing:1.5px;text-transform:uppercase;color:var(--text3)}.section-count{color:var(--text3);font-size:12px}.calc-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;display:grid}.calc-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition);padding:20px;text-decoration:none;display:block;position:relative;overflow:hidden}.calc-card:before{content:"";background:linear-gradient(135deg, var(--accent-glow) 0%, transparent 60%);opacity:0;transition:opacity var(--transition);position:absolute;inset:0}.calc-card:hover{border-color:var(--border-active);box-shadow:var(--shadow);transform:translateY(-2px)}.calc-card:hover:before{opacity:1}.calc-card:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.card-category{font-family:var(--mono);letter-spacing:1.5px;text-transform:uppercase;color:var(--accent2);margin-bottom:8px;font-size:10px}.card-title{color:var(--text);margin-bottom:5px;font-size:15px;font-weight:500}.card-desc{color:var(--text2);font-size:13px;line-height:1.5}.calc-page{max-width:720px;margin:0 auto;padding:48px 24px 80px}.breadcrumb{color:var(--text3);align-items:center;gap:8px;margin-bottom:28px;font-size:13px;display:flex}.breadcrumb a:hover{color:var(--text)}.calc-page-title{letter-spacing:-1px;color:var(--text);margin-bottom:8px;font-size:clamp(22px,4vw,34px);font-weight:300}.calc-page-desc{color:var(--text2);margin-bottom:32px;font-size:15px}.tool-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);margin-bottom:36px;padding:28px}.converter-row{grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;display:grid}.converter-unit-row{grid-template-columns:1fr auto 1fr;align-items:end;gap:14px;display:grid}.converter-field{flex-direction:column;gap:6px;display:flex}.unit-select{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);font-family:var(--mono);outline:none;padding:10px 12px;font-size:13px}.unit-select:focus{border-color:var(--accent)}.field-label{font-size:11px;font-family:var(--mono);letter-spacing:1px;text-transform:uppercase;color:var(--text3)}.field-input-wrap{position:relative}.field-input{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);font-family:var(--mono);transition:border-color var(--transition);outline:none;padding:13px 48px 13px 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var(--transition);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;display:flex}.swap-btn:hover{border-color:var(--accent);color:var(--accent2)}.calc-fields{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:20px;display:grid}.calc-field{flex-direction:column;gap:6px;display:flex}.calc-input{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--mono);transition:border-color var(--transition);outline:none;width:100%;padding:11px 13px;font-size:17px;font-weight:700}.calc-input:focus{border-color:var(--accent)}.calc-input::placeholder{color:var(--text3);font-size:13px;font-weight:400}.field-hint{color:var(--text3);font-size:11px}.results-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;display:grid}.result-box{background:var(--bg3);border:1px solid 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.container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.footer-text{color:var(--text3);font-size:12px;font-family:var(--mono)}.footer-links{flex-wrap:wrap;gap:20px;display:flex}.footer-links a{color:var(--text2);font-size:13px;font-family:var(--sans);transition:color var(--transition);text-decoration:none}.footer-links a:hover{color:var(--text)}.not-found{text-align:center;padding:80px 24px}.not-found h2{margin-bottom:10px;font-size:26px;font-weight:300}.not-found p{color:var(--text2);margin-bottom:22px;font-size:15px}.btn-home{background:var(--accent);color:#fff;border-radius:var(--radius);transition:opacity var(--transition);align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;display:inline-flex}.btn-home:hover{opacity:.85}.static-page{max-width:760px;margin:0 auto;padding:48px 24px 80px}.static-page h1{letter-spacing:-1px;margin-bottom:14px;font-size:clamp(24px,4vw,36px);font-weight:300}.static-page h2{color:var(--text);margin:24px 0 8px;font-size:18px;font-weight:500}.static-page p{color:var(--text2);margin-bottom:12px;font-size:15px;line-height:1.8}.static-page ul{color:var(--text2);margin:8px 0 12px 18px}.static-page li{margin-bottom:8px}.static-page a{color:var(--accent2)}@media (width<=640px){.converter-row,.converter-unit-row{grid-template-columns:1fr}.search-wrap{display:none}.site-footer .container{flex-direction:column;align-items:flex-start}.footer-links{gap:14px}.category-pills{-webkit-overflow-scrolling:touch;scrollbar-width:none;flex-wrap:nowrap;justify-content:flex-start;padding-bottom:4px;overflow-x:auto}.category-pills::-webkit-scrollbar{display:none}.pill{flex-shrink:0}.hero{padding:36px 0 28px}.hero h1{font-size:26px}.hero p{font-size:15px}.calc-page,.static-page{padding:32px 16px 60px}.tool-card{padding:20px 16px}.mini-article{padding:18px 16px}}*,:before,:after{transition:background-color .2s,border-color .2s,color 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