:root{--bg-canvas:#272522;--bg-surface:#35332e;--bg-surface-hover:#413e36;--text-primary:#fff;--text-muted:#d6d1c5;--accent-primary:#a3e635;--accent-secondary:#d0ee9a;--border-subtle:#625e52;--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(0,0,0,.25);--glow-accent:0 0 24px -4px rgba(163,230,53,.25);--glass-backdrop:blur(16px) saturate(180%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font-family:Charter,Cambria,Georgia,serif;font-size:18px;line-height:1.65;overflow-wrap:anywhere;hyphens:auto}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{line-height:1.12;font-weight:500}h1{font-size:clamp(2.7rem,6vw,5.6rem);letter-spacing:-.045em;margin-bottom:1.4rem}h2{font-size:clamp(2rem,4vw,3.25rem);letter-spacing:-.025em}h3{font-size:1.45rem}p{margin-bottom:1.25rem}a{color:var(--accent-primary);text-underline-offset:.23em}a:hover{text-decoration-thickness:2px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}:focus-visible{outline:3px solid var(--accent-primary);outline-offset:5px}img{display:block;max-width:100%;width:100%;object-fit:cover}button,.button{display:inline-block;border:0;border-radius:50px;background:var(--accent-primary);color:#272522;padding:.7rem 1.35rem;font-weight:700;text-decoration:none;line-height:1.4;transition:transform .3s var(--ease-kinetic),box-shadow .3s var(--ease-kinetic),background .3s}button:hover,.button:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent)}.button.secondary{background:#e3decf}.wrap{width:min(1100px,calc(100% - 56px));margin:0 auto}.skip{position:absolute;top:-120px;left:20px;z-index:20;background:var(--accent-primary);color:#272522;padding:10px}.skip:focus{top:10px}.site-header{position:relative;background:transparent;z-index:5;transition:background .3s}.site-header.scrolled{background:#35332e}.header-inner{padding:22px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;font-size:1.03rem;font-weight:700;color:#fff;text-decoration:none;text-align:left}.brand-mark{width:25px;height:25px;background:var(--accent-primary);display:inline-block;clip-path:polygon(0 0,75% 0,75% 25%,100% 25%,100% 100%,25% 100%,25% 75%,0 75%)}.site-nav{display:flex;gap:20px;align-items:center}.site-nav a{font-size:.9rem;color:#eee9df;text-decoration:none;white-space:nowrap}.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--accent-primary)}.menu-toggle{display:none;font-size:1.9rem;padding:0 16px;line-height:1.5}.band{position:relative;padding:80px 0 92px}.band.warm{background:#e6e0d2;color:#272522;clip-path:polygon(0 24px,100% 0,100% calc(100% - 22px),0 100%);padding-top:100px;padding-bottom:105px}.warm a:not(.button){color:#3c570c}.warm .eyebrow{color:#4c611e}.warm :focus-visible{outline-color:#455f12}.eyebrow{display:block;color:var(--accent-primary);font-variant:small-caps;letter-spacing:.12em;font-size:.95rem;margin-bottom:14px}.hero{padding-top:52px}.hero-grid,.spread{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:55px}.intro{font-size:1.25rem;max-width:51ch;color:var(--text-muted)}.warm .intro{color:#514c43}.tool-stage{height:440px;position:relative;background:radial-gradient(ellipse at 65% 45%,#566e29 0,transparent 62%);background-size:200% 200%;animation:gradientShift 12s ease infinite}.tool-stage:before{content:"";position:absolute;inset:35px 20px;border:1px solid #777463;transform:rotate(-7deg)}.tool-study{position:absolute;background:#35332e;padding:16px;box-shadow:var(--shadow-elevation);object-fit:contain;aspect-ratio:4/3;width:70%;height:auto}.tool-study.measure{left:0;top:4%;transform:rotate(-10deg)}.tool-study.torque{right:0;top:29%;transform:rotate(7deg)}.tool-study.inspect{left:8%;bottom:0;width:57%;transform:rotate(-3deg)}.caption,figcaption{font-size:.9rem;line-height:1.5;color:var(--text-muted);margin-top:12px}.warm figcaption{color:#514c43}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.panel{padding:28px;background:var(--bg-surface);box-shadow:var(--shadow-elevation);transition:transform .4s var(--ease-kinetic),box-shadow .4s var(--ease-kinetic),background .4s}.panel:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent)}.warm .panel{background:#f5f1e8;color:#272522}.panel p:last-child{margin-bottom:0}.panel a{color:var(--accent-primary)}.warm .panel a{color:#3c570c}.illustration{aspect-ratio:4/3;object-fit:contain;background:#35332e;padding:24px;box-shadow:var(--shadow-elevation)}.banner-image{aspect-ratio:16/9}.thumbnail{width:90px;height:90px;aspect-ratio:1;object-fit:contain;background:#272522;padding:8px}.compact{display:flex;gap:20px;align-items:center}.split-card{display:grid;grid-template-columns:1fr 1.5fr;gap:24px;align-items:center}.split-card img{aspect-ratio:4/3;object-fit:contain}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-card{display:flex;flex-direction:column;align-items:flex-start;min-height:250px}.guide-card a{margin-top:auto}.guide-number{font-size:2.6rem;color:var(--accent-primary);line-height:1;margin-bottom:24px}.warm .guide-number{color:#52711a}.feature{position:relative;padding:0;min-height:300px}.feature img{height:340px;aspect-ratio:16/9}.feature-copy{position:absolute;bottom:0;left:0;right:0;padding:25px;background:rgba(39,37,34,.91);backdrop-filter:var(--glass-backdrop);color:white}.feature-copy h3{margin-bottom:8px}.notice{padding:22px 26px;border-left:4px solid var(--accent-primary);background:var(--bg-surface);color:#fff;font-size:1rem}.warm .notice{background:#f5f1e8;color:#272522;border-color:#567e12}.pair{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:30px 0}.pair h3{font-size:1.1rem;font-variant:small-caps;letter-spacing:.05em}.article-heading{max-width:850px}.article-body{max-width:70ch;margin:0 auto}.article-body h2{font-size:2rem;margin-top:2.5rem}.article-body h3{margin-top:1.8rem}.article-body li{margin-bottom:.6rem}.article-body .pair{font-size:1rem}.article-meta{color:var(--text-muted);font-size:.95rem}.sources{font-size:1rem;background:var(--bg-surface);padding:28px}.sources ul{padding-left:22px;margin-bottom:0}.sources h2{margin-top:0;font-size:1.6rem}.warm .sources{background:#f5f1e8}.table-scroll{overflow-x:auto;margin:28px 0}table{border-collapse:collapse;width:100%;font-size:1rem;text-align:left}caption{text-align:left;font-weight:700;margin-bottom:12px}th,td{padding:14px;border-bottom:1px solid var(--border-subtle);vertical-align:top}th{color:var(--accent-primary)}.warm th{color:#3c570c}details{border-bottom:1px solid var(--border-subtle);padding:19px 0}summary{cursor:pointer;font-size:1.15rem;padding-right:15px}details p{margin:16px 0 5px;max-width:70ch}.faq-list{max-width:780px}.section-link{margin-top:26px}.site-footer{background:#1e1c19;padding:55px 0 25px;font-size:.95rem}.footer-scope{max-width:80ch}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:28px;margin:30px 0}.footer-grid h2{font-size:1.05rem;font-variant:small-caps;letter-spacing:.06em;color:#e3decf}.footer-grid a{display:block;margin:6px 0}.footer-bottom{border-top:1px solid #625e52;padding-top:22px;display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap}.footer-bottom p{margin:0}.footer-bottom a{color:#fff}.bench-form{max-width:750px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}label{display:block;margin-bottom:7px}input,textarea,select{width:100%;background:#f5f1e8;color:#272522;border:1px solid #777163;border-radius:0;padding:12px;min-width:0}textarea{min-height:180px;resize:vertical}.field{margin-bottom:22px}.form-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.output-strip{white-space:pre-wrap;font-family:inherit;font-size:1rem;background:#35332e;color:#fff;padding:24px;min-height:130px;overflow-wrap:anywhere}.status{min-height:1.5em;color:var(--accent-primary);font-size:1rem}.warm .status{color:#3c570c}.reveal{opacity:1;transform:none}.js-motion .reveal{opacity:0;transform:translateY(26px)}.js-motion .reveal.reveal-visible{opacity:1;transform:translateY(0);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}@keyframes gradientShift{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}[hidden]{display:none!important}
@media(min-width:1025px){.hero h1{max-width:11ch}.spread.reverse{grid-template-columns:.9fr 1.1fr}.spread.reverse>figure{order:-1}}
@media(min-width:769px) and (max-width:1024px){.header-inner{flex-wrap:wrap;gap:15px}.site-nav{width:100%;justify-content:flex-start;gap:25px}.hero-grid,.spread{gap:30px}.tool-stage{height:370px}}
@media(min-width:481px) and (max-width:768px){.wrap{width:calc(100% - 40px)}.band{padding:60px 0 75px}.hero-grid,.spread{grid-template-columns:1fr}.tool-stage{max-width:470px;width:100%;margin:0 auto;height:410px}.guide-grid{grid-template-columns:1fr 1fr}.header-inner{flex-wrap:wrap}.site-nav{width:100%;flex-wrap:wrap}}
@media(max-width:767px){.header-inner{padding:17px 20px;flex-wrap:nowrap}.brand{font-size:1rem}.menu-toggle:not([hidden]){display:block}.menu-ready .site-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#35332e;padding:22px;box-shadow:var(--shadow-elevation);flex-direction:column;align-items:stretch;gap:0}.menu-ready .site-nav.open{display:flex;animation:menuEnter .25s var(--ease-kinetic)}.site-nav a{padding:9px 0;font-size:1.05rem}.site-header:not(.menu-ready) .header-inner{flex-wrap:wrap}.site-header:not(.menu-ready) .site-nav{display:flex;flex-wrap:wrap;gap:8px 20px}.split-card{grid-template-columns:1fr}.hero-grid,.spread{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}.pair{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr;gap:0}}
@media(max-width:480px){.wrap{width:calc(100% - 36px)}body{font-size:17px}.band{padding:45px 0 58px}.band.warm{padding:72px 0 80px}.hero{padding-top:32px}h1{font-size:3.1rem}.tool-stage{height:320px}.grid{grid-template-columns:minmax(0,1fr)}.panel{padding:23px}.hero-grid,.spread{gap:30px}.brand{font-size:.88rem}.header-inner{padding:16px 18px;gap:10px}.footer-grid{grid-template-columns:1fr}.compact{align-items:flex-start;gap:15px}.thumbnail{width:65px;height:65px}.feature-copy{position:relative}.feature img{height:auto}.feature{padding:0}}
@keyframes menuEnter{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.js-motion .reveal{opacity:1;transform:none}.panel:hover,button:hover,.button:hover{transform:none}}