:root{--bg: #ffffff;--bg-alt: #f4f3ee;--bg-sidebar: #0a0a0a;--bg-card: #ffffff;--ink: #0a0a0a;--ink-muted: #1f1f1f;--ink-inverse: #ffffff;--ink-on-dark: #f4f3ee;--ink-on-dark-muted: #9a9792;--accent: #ff4d00;--accent-dark: #cc3d00;--accent-soft: #fff0e8;--rule: #0a0a0a;--rule-soft: #d9d6ce;--rule-inverse: #2a2a2a;--grid: #e5e2d9;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, Menlo, monospace;font-family:var(--font-sans);color:var(--ink);background-color:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100vh}html{background-color:var(--bg)}body{background:linear-gradient(var(--grid) 1px,transparent 1px) 0 0 / 32px 32px,linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0 / 32px 32px}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}a{color:inherit;text-decoration:none}h1,h2,h3{font-family:var(--font-sans);font-weight:800;letter-spacing:-.03em;margin:0;color:var(--ink);line-height:1.05}.app{display:flex;min-height:100vh}.sidebar{width:260px;flex-shrink:0;background:var(--bg-sidebar);color:var(--ink-on-dark);border-right:2px solid var(--ink);padding:24px 16px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 24px;border-bottom:1px solid var(--rule-inverse);margin-bottom:16px}.brand-name{flex:1}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1.5px solid currentColor;border-radius:2px;color:inherit;background:transparent;transition:background .1s,color .1s;flex-shrink:0}.icon-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}.menu-btn{display:none;color:var(--ink)}.close-btn{display:none;color:var(--ink-on-dark);width:32px;height:32px}.sidebar-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0a0a8c;z-index:40;animation:fade .15s ease-out;display:none}.brand-mark{display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--accent)}.brand-name{font-family:var(--font-sans);font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink-inverse)}.brand-name .brand-x{color:var(--accent)}.nav-section-label{font-family:var(--font-mono);font-size:10px;font-weight:500;text-transform:uppercase;letter-spacing:.15em;color:var(--ink-on-dark-muted);padding:18px 10px 8px}.nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px;border-radius:2px;font-size:14px;font-weight:500;color:var(--ink-on-dark);text-align:left;transition:background .1s,color .1s;border-left:2px solid transparent}.nav-item:hover{background:#1a1a1a;border-left-color:var(--accent);color:var(--ink-inverse)}.nav-item-icon{width:18px;height:18px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;color:var(--ink-on-dark-muted)}.nav-item:hover .nav-item-icon{color:var(--accent)}.sidebar-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--rule-inverse);font-family:var(--font-mono);font-size:11px;color:var(--ink-on-dark-muted);letter-spacing:.05em;padding-left:10px}.main{flex:1;display:flex;flex-direction:column;min-width:0;background:transparent}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 40px;background:transparent;border-bottom:none;position:sticky;top:0;z-index:30}.topbar-left{display:flex;align-items:center;gap:14px}.topbar-meta{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.15em;color:var(--ink);display:flex;align-items:center;gap:10px}.topbar-meta:before{content:"";display:inline-block;width:8px;height:8px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 3px #ff4d0033}.topbar-actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:2px;font-size:13px;font-weight:600;line-height:1;transition:all .1s;letter-spacing:.02em}.btn-ghost{color:var(--ink);background:transparent;border:2px solid var(--ink)}.btn-ghost:hover{background:var(--ink);color:var(--ink-inverse)}.btn-primary{background:var(--ink);color:var(--ink-inverse);border:2px solid var(--ink)}.btn-primary:hover{background:var(--accent);border-color:var(--accent)}.btn-accent{background:var(--accent);color:#fff;border:2px solid var(--accent)}.btn-accent:hover{background:var(--ink);border-color:var(--ink)}.hero{padding:40px 40px 32px;max-width:1100px;margin:0 auto;width:100%;border-bottom:1px dashed var(--rule-soft)}.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;font-weight:500;color:var(--ink);background:var(--bg);padding:6px 10px;border:1.5px solid var(--ink);border-radius:2px;margin-bottom:18px;text-transform:uppercase;letter-spacing:.12em}.hero-eyebrow:before{content:"■";color:var(--accent);font-size:9px}.hero-title{font-size:clamp(40px,6vw,72px);line-height:.98;font-weight:800;color:var(--ink);margin-bottom:18px;letter-spacing:-.04em;text-transform:uppercase;text-shadow:0 0 3px rgba(255,255,255,.85),0 0 8px rgba(255,255,255,.6),0 1px 1px rgba(255,255,255,.9)}.hero-title em{font-style:normal;color:var(--accent);font-weight:800;position:relative}.hero-title em:after{content:".";color:var(--ink)}.hero-lede{font-size:16px;line-height:1.5;color:var(--ink-muted);max-width:640px;margin-bottom:22px;font-weight:400;text-shadow:0 0 3px rgba(255,255,255,.85),0 0 8px rgba(255,255,255,.6),0 1px 1px rgba(255,255,255,.9)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-actions .btn{padding:14px 24px;font-size:14px}.hero-actions .btn-ghost{background:#ffffffb8;backdrop-filter:blur(10px) saturate(160%);-webkit-backdrop-filter:blur(10px) saturate(160%)}.hero-actions .btn-ghost:hover{background:var(--ink);color:var(--ink-inverse);backdrop-filter:none;-webkit-backdrop-filter:none}.section{padding:32px 40px 48px;max-width:1200px;margin:0 auto;width:100%}.section-header{display:flex;justify-content:space-between;align-items:flex-end;padding-bottom:14px;border-bottom:2px solid var(--ink);margin-bottom:22px}.section-heading{font-size:clamp(28px,3.5vw,40px);text-transform:uppercase;letter-spacing:-.02em}.section-tag{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.15em;color:var(--ink-muted)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}.card{background:var(--bg-card);border:2px solid var(--ink);border-radius:2px;padding:20px;text-align:left;position:relative;display:flex;flex-direction:column;font-family:inherit;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;box-shadow:4px 4px 0 0 var(--ink);cursor:pointer}.card:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 0 var(--accent)}.card:hover .card-icon{background:var(--accent);color:#fff;border-color:var(--accent)}.card:hover .card-cta{color:var(--accent);border-top-color:var(--accent)}.card:hover .card-cta-arrow{transform:translate(3px)}.card:active{transform:translate(0);box-shadow:2px 2px 0 0 var(--ink)}.card-icon{width:38px;height:38px;border:1.5px solid var(--ink);border-radius:2px;background:var(--bg);color:var(--ink);display:flex;align-items:center;justify-content:center;margin-bottom:14px;transition:background .12s,color .12s,border-color .12s}.card-title{font-family:var(--font-sans);font-size:18px;font-weight:700;margin-bottom:6px;letter-spacing:-.02em;color:var(--ink);line-height:1.2}.card-desc{font-size:13px;color:var(--ink-muted);line-height:1.5;font-weight:400}.card-cta-arrow{position:absolute;bottom:14px;right:16px;font-size:18px;font-weight:500;color:var(--ink);transition:transform .15s ease,color .12s;line-height:1}.card:hover .card-cta-arrow{color:var(--accent);transform:translate(3px)}.footer{border-top:2px solid var(--ink);padding:24px 40px;margin-top:auto;color:var(--ink);font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.12em;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;background:var(--bg)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0a0a99;display:flex;align-items:center;justify-content:center;padding:20px;z-index:100;animation:fade .12s ease-out}.modal{background:var(--bg);border:2px solid var(--ink);border-radius:2px;padding:36px;max-width:440px;width:100%;text-align:left;animation:rise .15s ease-out;position:relative}.modal:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent)}.modal-badge{display:inline-block;font-family:var(--font-mono);font-size:10px;font-weight:500;color:var(--ink);background:var(--bg);border:1.5px solid var(--ink);padding:4px 8px;border-radius:2px;margin-bottom:20px;letter-spacing:.15em;text-transform:uppercase}.modal-title{font-size:28px;margin-bottom:10px;text-transform:uppercase;letter-spacing:-.02em}.modal-body{color:var(--ink-muted);line-height:1.55;margin-bottom:24px;font-size:14px}.modal-close{padding:11px 24px}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 1024px){.sidebar{position:fixed;top:0;left:0;height:100vh;width:280px;z-index:50;transform:translate(-100%);transition:transform .22s cubic-bezier(.4,0,.2,1);box-shadow:none}.sidebar.sidebar-open{transform:translate(0);box-shadow:4px 0 24px #00000040}.sidebar-backdrop{display:block}.menu-btn,.close-btn{display:inline-flex}.hero{padding:32px 32px 26px}.section{padding:26px 32px 40px}.topbar{padding:12px 32px}.footer{padding:20px 32px}}@media (max-width: 640px){.hero{padding:24px 20px 22px}.hero-title{font-size:clamp(32px,9vw,48px)}.hero-lede{font-size:15px;margin-bottom:18px}.hero-actions .btn{padding:12px 18px;font-size:13px}.section{padding:22px 20px 32px}.section-header{margin-bottom:20px;padding-bottom:14px}.card-grid{grid-template-columns:repeat(2,1fr);gap:10px}.card{min-height:0;padding:14px;box-shadow:3px 3px 0 0 var(--ink)}.card:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 0 var(--accent)}.card-icon{width:32px;height:32px;margin-bottom:10px}.card-icon svg{width:16px;height:16px}.card-title{font-size:14px;margin-bottom:4px}.card-desc{font-size:11.5px;line-height:1.45}.card-cta-arrow{font-size:15px;bottom:10px;right:12px}.topbar{padding:12px 20px}.topbar-meta{display:none}.topbar-actions .btn{padding:9px 14px;font-size:12px}.footer{padding:20px;font-size:10px}.modal{padding:28px 24px}.modal-title{font-size:22px}body{background-size:24px 24px}}@media (max-width: 380px){.card-grid{gap:8px}.card{padding:12px}.card-title{font-size:14px}.card-desc{font-size:11px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{justify-content:center}.topbar-actions .btn-ghost{display:none}}.hero-title{font-size:clamp(36px,7vw,88px)}.hero-lede{font-size:clamp(15px,2vw,18px)}.section-heading{font-size:clamp(22px,3.5vw,40px)}.card-grid{grid-template-columns:repeat(auto-fill,minmax(min(240px,100%),1fr))}.card-grid-modules{grid-template-columns:repeat(5,1fr)}@media (max-width: 1099px){.card-grid-modules{grid-template-columns:repeat(3,1fr)}}@media (max-width: 700px){.card-grid-modules{grid-template-columns:repeat(2,1fr)}}@media (max-width: 380px){.card-grid-modules{grid-template-columns:1fr}}@media (max-width: 480px){.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .btn{justify-content:center}}@media (min-width: 641px) and (max-width: 900px){.hero{padding:48px 28px 40px}.section{padding:40px 28px}.topbar{padding:12px 28px}.footer{padding:20px 28px}.page-hero-header{padding:40px 28px 28px}.page-hero-section{padding:28px 28px 48px}.research-grid,.tutorials-grid{grid-template-columns:1fr}.parts-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}.jobs-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}}@media (min-width: 481px) and (max-width: 640px){.card-grid{grid-template-columns:repeat(2,1fr);gap:10px}.jobs-grid{grid-template-columns:1fr}.page-hero-header{padding:32px 20px 22px}.page-hero-section{padding:20px 20px 44px}}@media (max-width: 380px){.card-grid{grid-template-columns:1fr;gap:10px}.parts-grid{grid-template-columns:1fr}.page-hero-title{font-size:clamp(22px,10vw,32px)}}@media (min-width: 1400px){.hero{padding:96px 60px 72px}.section{padding:72px 60px}}.jobs-section{background:var(--bg-alt);border-top:1px solid var(--rule-soft);border-bottom:1px solid var(--rule-soft)}.jobs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.job-card{background:var(--bg);border:2px solid var(--ink);border-radius:2px;padding:22px 22px 18px;display:flex;flex-direction:column;gap:8px;transition:transform .12s ease,box-shadow .12s ease;box-shadow:3px 3px 0 0 var(--ink);position:relative}.job-card:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 0 var(--accent)}.job-card-skeleton{min-height:200px;background:linear-gradient(90deg,var(--bg-alt) 25%,var(--rule-soft) 50%,var(--bg-alt) 75%);background-size:400% 100%;animation:shimmer 1.4s ease infinite}@keyframes shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.job-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.job-card-company{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:600}.job-card-salary{font-family:var(--font-mono);font-size:11px;font-weight:700;color:var(--ink);background:var(--bg-alt);border:1.5px solid var(--rule-soft);border-radius:2px;padding:2px 8px;white-space:nowrap;flex-shrink:0}.job-card-title{font-size:16px;font-weight:700;letter-spacing:-.02em;color:var(--ink);margin:0;line-height:1.25}.job-card-location{display:flex;align-items:center;gap:5px;font-family:var(--font-mono);font-size:11px;color:var(--ink-muted);letter-spacing:.02em}.job-card-desc{font-size:13px;color:var(--ink-muted);line-height:1.55;margin:4px 0 0;flex:1}.job-card-footer{margin-top:12px;padding-top:12px;border-top:1px solid var(--rule-soft)}.job-apply-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:var(--ink);color:var(--ink-inverse);border:2px solid var(--ink);border-radius:2px;font-size:12px;font-weight:700;letter-spacing:.04em;text-decoration:none;transition:background .1s,border-color .1s}.job-apply-btn:hover{background:var(--accent);border-color:var(--accent)}input:focus{border-color:var(--accent)!important;box-shadow:0 0 0 3px #ff4d001f!important}@keyframes fade{0%{opacity:0}to{opacity:1}}@keyframes rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 640px){.jobs-grid{grid-template-columns:1fr}}.parts-page-header{padding:16px 20px 20px}.parts-page-section{padding:16px 20px 48px}.parts-search-row{flex-direction:column;gap:10px}.parts-filter-row{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px;flex-wrap:nowrap!important;-webkit-overflow-scrolling:touch}.parts-filter-row::-webkit-scrollbar{display:none}.parts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}.parts-card-img{height:200px}@media (max-width: 640px){.parts-page-header{padding:12px 16px 16px}.parts-page-section{padding:12px 16px 40px}.parts-search-row{flex-direction:column}.parts-grid{grid-template-columns:1fr;gap:16px}.parts-card-img{height:160px}.parts-filter-btn{padding:8px 12px!important;font-size:11px!important;white-space:nowrap;flex-shrink:0}}.page-hero-header{padding:48px 40px 36px}.page-hero-title{font-size:clamp(28px,7vw,64px);font-weight:800;text-transform:uppercase;letter-spacing:-.04em;line-height:.98;margin-bottom:16px}.page-hero-lede{font-size:15px;line-height:1.6;color:var(--ink-muted);margin:0}.page-hero-section{padding:36px 40px 56px}.research-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(440px,1fr));gap:20px}.tutorials-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:28px}@media (max-width: 640px){.page-hero-header{padding:28px 16px 20px}.page-hero-title{font-size:clamp(26px,9vw,48px);margin-bottom:12px}.page-hero-lede{font-size:13px}.page-hero-section{padding:20px 16px 40px}.research-grid{grid-template-columns:1fr;gap:14px}.tutorials-grid{grid-template-columns:1fr;gap:20px}}
