:root{--bg-primary: #0a0d12;--bg-panel: #0f1319;--bg-card: #141a22;--bg-card-hover: #1a2230;--bg-input: #0f1217;--border: #2e3847;--border-hover: #4d80b2;--border-accent: #00d9f2;--separator: rgba(51, 68, 102, .4);--text-primary: #d9e5f2;--text-secondary: #808e99;--text-section: #99b3cc;--text-dim: #596b6b;--accent: #00d9f2;--accent-dim: rgba(0, 217, 242, .15);--accent-glow: rgba(0, 217, 242, .08);--status-normal: #4de666;--status-warning: #f2d933;--status-critical: #ff4d33;--font-body: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}body:before{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(0,217,242,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,217,242,.03) 1px,transparent 1px);background-size:60px 60px;pointer-events:none;z-index:0}.container{max-width:960px;margin:0 auto;padding:0 24px;position:relative;z-index:1}.header{padding:20px 0;border-bottom:1px solid var(--border);background:#0a0d12e6;backdrop-filter:blur(12px);position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between}.header-logo img{height:36px;width:auto}.header-nav{display:flex;gap:24px;list-style:none}.header-nav a{color:var(--text-secondary);text-decoration:none;font-size:13px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;transition:color .2s}.header-nav a:hover{color:var(--accent)}.hero{padding:80px 0 60px}.hero-logo{max-width:480px;width:100%;height:auto;margin-bottom:24px}.hero-tagline{font-size:18px;color:var(--text-secondary);max-width:600px;line-height:1.7}.section{padding:60px 0;border-top:1px solid var(--border)}.section-label{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:24px;display:flex;align-items:center;gap:8px}.section-label:before{content:"";display:inline-block;width:8px;height:8px;background:var(--accent);border-radius:1px}h2{font-size:24px;font-weight:600;margin-bottom:16px;color:var(--text-primary)}h3{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}p{color:var(--text-secondary);line-height:1.7}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:4px;padding:24px;transition:border-color .2s,background .2s}.card:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.solver-description{color:var(--text-secondary);line-height:1.7;max-width:720px}.solver-categories{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.solver-category h3{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.solver-list{list-style:none}.solver-list li{font-size:13px;color:var(--text-secondary);padding:4px 0;display:flex;align-items:center;gap:8px}.solver-list li:before{content:"";display:inline-block;width:4px;height:4px;background:var(--status-normal);border-radius:50%;flex-shrink:0}.expertise-grid{display:grid;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:4px;overflow:hidden}.expertise-row{display:grid;grid-template-columns:180px 1fr;background:var(--bg-card);transition:background .2s}.expertise-row:hover{background:var(--bg-card-hover)}.expertise-label{font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);padding:14px 20px;border-right:1px solid var(--border);display:flex;align-items:center}.expertise-value{font-size:13px;color:var(--text-secondary);padding:14px 20px;display:flex;align-items:center}.oss-card{display:block;text-decoration:none;color:inherit}.oss-card .card-title{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.oss-card .card-badge{font-family:var(--font-mono);font-size:11px;color:var(--accent);background:var(--accent-dim);padding:2px 8px;border-radius:2px;margin-left:8px;vertical-align:middle}.oss-card .card-desc{font-size:13px;color:var(--text-secondary);line-height:1.6}.contact-row{display:flex;gap:32px;flex-wrap:wrap}.contact-item{display:flex;align-items:center;gap:10px}.contact-item svg{width:18px;height:18px;color:var(--accent);flex-shrink:0}.contact-item a{color:var(--text-primary);text-decoration:none;font-size:14px;transition:color .2s}.contact-item a:hover{color:var(--accent)}.footer{padding:32px 0;border-top:1px solid var(--border);text-align:center}.footer p{font-size:12px;color:var(--text-dim)}.footer a{color:var(--text-secondary);text-decoration:none;transition:color .2s}.footer a:hover{color:var(--accent)}@media(max-width:768px){.hero{padding:48px 0 40px}.hero-logo{max-width:320px}.solver-categories,.card-grid{grid-template-columns:1fr}.expertise-row{grid-template-columns:140px 1fr}.expertise-label{font-size:11px;padding:12px 14px}.expertise-value{font-size:12px;padding:12px 14px}.header-nav{gap:16px}.header-nav a{font-size:12px}}@media(max-width:480px){.expertise-row{grid-template-columns:1fr}.expertise-label{border-right:none;border-bottom:1px solid var(--border);padding:10px 14px}.contact-row{flex-direction:column;gap:16px}}