:root{--bg-canvas:#0b0b0d;--bg-surface:#20191d;--bg-surface-hover:#302126;--text-primary:#f3f3f5;--text-muted:#c0c4cc;--accent-primary:#dc2626;--accent-secondary:#8f1d2c;--border-subtle:rgba(192,196,204,.25);--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(0,0,0,.55);--glow-accent:0 0 24px -4px rgba(220,38,38,.55);--glass-backdrop:blur(16px) saturate(150%);font-family:"Trebuchet MS","Segoe UI",sans-serif;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:16px/1.75 "Trebuchet MS","Segoe UI",sans-serif;overflow-wrap:anywhere;hyphens:auto}a{color:#ff777d;text-underline-offset:.2em}a:hover{color:#fff}img,svg{max-width:100%}.wrap{width:min(1200px,calc(100% - 40px));margin-inline:auto}.reading{max-width:72ch;margin-inline:auto}.site-header{position:relative;padding:18px 0}.capsule{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 18px;border:1px solid var(--border-subtle);border-radius:999px;background:rgba(32,25,29,.92);box-shadow:0 8px 24px #0005}.brand{display:flex;align-items:center;gap:10px;color:var(--text-primary);font-weight:800;text-decoration:none;white-space:nowrap}.brand-mark{width:28px;height:28px;display:grid;place-items:center;background:var(--accent-primary);color:white;font-size:13px}.nav{display:flex;gap:clamp(12px,2.2vw,30px);align-items:center}.nav a{text-decoration:none;color:var(--text-primary);font-size:.94rem}.menu-toggle{display:none;background:none;border:1px solid var(--border-subtle);color:var(--text-primary);font-size:1.6rem;width:42px;height:42px;line-height:1;cursor:pointer}.hero{position:relative;padding:clamp(76px,12vw,150px) 0 88px;background:radial-gradient(ellipse at 75% 30%,rgba(220,38,38,.19),transparent 40%),linear-gradient(120deg,#0b0b0d 58%,#211014);isolation:isolate}.hero:after{position:absolute;content:"";width:340px;height:340px;right:8%;top:12%;border:1px solid #dc262633;transform:rotate(45deg);z-index:-1}.eyebrow,.kicker{color:#ff777d;text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:700}.hero h1{font-size:clamp(2.8rem,7vw,6.2rem);line-height:.99;letter-spacing:-.055em;max-width:1000px;margin:.25em 0}.hero p{max-width:68ch;color:var(--text-muted);font-size:1.15rem}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border:1px solid var(--accent-primary);background:var(--accent-primary);color:#fff;text-decoration:none;font-weight:700;box-shadow:4px 4px 0 #8f1d2c;transition:transform .25s var(--ease-kinetic),box-shadow .25s,background .25s}.button:hover{transform:translate(4px,4px);box-shadow:0 0 0 #8f1d2c;background:#b91c1c;color:white}.button.secondary{background:transparent;border-color:var(--border-subtle);box-shadow:4px 4px 0 #49434a}.button.secondary:hover{background:var(--bg-surface-hover);box-shadow:0 0 0 #49434a}.section{padding:76px 0;position:relative}.section.tint{background:radial-gradient(ellipse at 10% 30%,rgba(220,38,38,.15),transparent 54%),#171215}.section h2{font-size:clamp(1.8rem,4vw,3.3rem);line-height:1.1;letter-spacing:-.035em;margin:0 0 18px}.section-intro{max-width:70ch;color:var(--text-muted);margin:0 auto 34px}.spread{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,80px);align-items:center}.spread.reverse .spread-copy{order:2}.spread.reverse .spread-art{order:1}.spread-copy{max-width:68ch}.spread-art{padding:18px;border:1px solid var(--border-subtle);background:rgba(32,25,29,.75);backdrop-filter:var(--glass-backdrop);box-shadow:var(--shadow-elevation)}.spread-art img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}.diagram{display:block;width:100%;height:auto;min-height:230px;background:#100d0f}.caption{color:var(--text-muted);font-size:.84rem;margin:.65rem 0 0}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.card{border:1px solid var(--border-subtle);background:rgba(32,25,29,.82);backdrop-filter:var(--glass-backdrop);padding:24px;transition:transform .35s var(--ease-kinetic),box-shadow .35s,background .35s}.card:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);background:var(--bg-surface-hover)}.card h3{margin:.3em 0}.card p{color:var(--text-muted)}.feature-band{padding:28px;border-left:4px solid var(--accent-primary);background:#211619}.number{font-size:2.2rem;color:#ff777d;font-weight:800}.toolpath{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:24px 0}.toolpath span{padding:14px;background:#211619;border-top:3px solid var(--accent-primary);font-size:.88rem}.table-wrap{overflow-x:auto;margin:22px 0}.tolerance-table{border-collapse:collapse;width:100%;min-width:580px}.tolerance-table th,.tolerance-table td{padding:12px;border:1px solid var(--border-subtle);text-align:left;vertical-align:top}.tolerance-table th{background:#32171c}.photo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:35px}.photo-grid figure{margin:0;background:#171215;border:1px solid var(--border-subtle)}.photo-grid img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}.photo-grid figcaption{padding:12px;color:var(--text-muted);font-size:.9rem}.page-hero{padding:54px 0 42px;background:radial-gradient(ellipse at 85% 10%,rgba(220,38,38,.16),transparent 45%),#111012}.page-hero h1{font-size:clamp(2.5rem,6vw,5rem);line-height:1.03;letter-spacing:-.04em;margin:.12em 0}.page-hero p{max-width:68ch;color:var(--text-muted)}.article-body{max-width:72ch;margin:0 auto;padding:48px 0}.article-body h2{margin-top:2.1em;line-height:1.2}.article-body h3{margin-top:1.7em}.article-body p,.article-body li{color:#e4e1e3}.article-body li{padding:.2em 0}.references{padding:20px;border:1px solid var(--border-subtle);background:#171215}.references li{margin:.4em 0}.faq-list details{border-bottom:1px solid var(--border-subtle);padding:16px 4px}.faq-list summary{font-weight:700;cursor:pointer}.faq-list details p{max-width:72ch;color:var(--text-muted)}.site-footer{margin-top:40px;padding:38px 0 22px;border-top:1px solid var(--border-subtle);background:#111012}.footer-links{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:24px}.footer-links a{color:var(--text-primary)}.identity{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #77717a;padding-top:18px;color:var(--text-muted);font-size:.9rem}.identity p{margin:0}.identity a{color:var(--text-primary)}.reveal{opacity:0;transform:translateY(24px);transition:all .7s var(--ease-kinetic)}.reveal-visible{opacity:1;transform:translateY(0)}.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px}.contact-form label{display:block;margin:14px 0 5px;font-weight:700}.contact-form input,.contact-form textarea{width:100%;padding:12px;border:1px solid var(--border-subtle);border-radius:0;background:#100e10;color:var(--text-primary);font:inherit}.contact-form textarea{min-height:150px;resize:vertical}.preview{white-space:pre-wrap;overflow-wrap:anywhere;min-height:180px;padding:16px;background:#100e10;border:1px solid var(--border-subtle);color:var(--text-muted)}.status{min-height:1.5em;color:#ff777d}.dialog{width:min(520px,calc(100% - 30px));border:1px solid var(--border-subtle);border-radius:0;background:#20191d;color:var(--text-primary);box-shadow:var(--shadow-elevation);padding:26px}.dialog::backdrop{background:#000b;backdrop-filter:blur(4px)}:focus-visible{outline:3px solid #ff777d;outline-offset:3px}.skip-link{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:10px;z-index:20}.skip-link:focus{left:10px}
@media(max-width:768px){.wrap{width:min(100% - 30px,1200px)}.capsule{border-radius:999px}.menu-toggle{display:block;margin-left:auto}.nav{display:none;position:absolute;top:calc(100% - 8px);left:15px;right:15px;z-index:5;padding:14px;background:#20191d;border:1px solid var(--border-subtle);box-shadow:var(--shadow-elevation);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:9px}.spread,.contact-layout{grid-template-columns:1fr}.spread.reverse .spread-copy,.spread.reverse .spread-art{order:initial}.section{padding:55px 0}.photo-grid{grid-template-columns:1fr}.identity{display:block}.identity p+p{margin-top:8px}.toolpath{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.wrap{width:calc(100% - 24px)}.site-header{padding:12px 0}.capsule{padding:8px 12px}.brand{font-size:.9rem}.brand-mark{width:25px;height:25px}.hero{padding:68px 0 58px}.hero:after{width:180px;height:180px;right:1%}.hero h1{font-size:clamp(2.5rem,14vw,4rem)}.button{width:100%}.toolpath{grid-template-columns:1fr}.card{padding:19px}.page-hero{padding:42px 0 30px}}
@media(min-width:481px) and (max-width:768px){.wrap{width:calc(100% - 36px)}}
@media(min-width:769px) and (max-width:1024px){.wrap{width:calc(100% - 48px)}}
@media(min-width:1025px){.wrap{width:min(1200px,calc(100% - 64px))}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}