:root{
  --ink:#171717;--ink-2:#242424;--paper:#f6f3ee;--white:#fff;--accent:#d76d22;--accent-2:#f0a15f;
  --muted:#6d6861;--line:#ded8cf;--max:1180px;--shadow:0 16px 45px rgba(0,0,0,.12);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);line-height:1.58}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent-2);outline-offset:3px}.container{width:min(var(--max),calc(100% - 36px));margin:auto}.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px;z-index:999}.skip-link:focus{left:8px}.site-header{position:sticky;top:0;z-index:50;background:rgba(18,18,18,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:.03em}.brand-mark{width:51px;height:51px;border:3px solid var(--accent);border-radius:50%;display:grid;place-items:center;font-size:25px}.brand-text{font-size:1.15rem;line-height:1}.brand-text small{display:block;font-size:.69rem;font-weight:600;color:#c9c9c9;margin-top:5px;letter-spacing:.14em}.main-nav{display:flex;align-items:center;gap:22px;font-size:.9rem;font-weight:700}.main-nav a{padding:28px 0 23px;border-bottom:3px solid transparent}.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--accent-2);border-color:var(--accent)}.nav-shop{background:var(--accent);padding:11px 15px!important;border:0!important;border-radius:3px;color:#fff!important}.menu-toggle{display:none;background:none;border:1px solid #777;color:#fff;padding:8px 10px;font-size:1.25rem}.hero{min-height:590px;color:#fff;display:flex;align-items:center;background-image:linear-gradient(90deg,rgba(0,0,0,.12) 0%,rgba(0,0,0,.46) 52%,rgba(0,0,0,.82) 100%),url('../images/hero-o-gauge.jpg');background-size:cover;background-position:center}.hero-content{margin-left:auto;width:min(580px,55%);padding:80px 0}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.79rem;font-weight:800;color:var(--accent-2)}h1,h2,h3{line-height:1.13;margin:0 0 .55em}h1{font-size:clamp(2.7rem,6.6vw,5.5rem);text-transform:uppercase;letter-spacing:-.025em}h2{font-size:clamp(2rem,4vw,3.25rem)}h3{font-size:1.25rem}.hero p{font-size:1.2rem;max-width:540px;color:#eee}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;padding:13px 19px;border:2px solid var(--accent);font-weight:800;border-radius:3px}.button:hover{background:#bd5917;border-color:#bd5917}.button.outline{background:transparent;border-color:#fff}.button.outline:hover{background:#fff;color:#111}.button.dark{background:var(--ink);border-color:var(--ink)}.quick-links{background:#fff;border-bottom:1px solid var(--line)}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr)}.quick-item{padding:28px 25px;display:grid;grid-template-columns:48px 1fr;gap:14px;border-right:1px solid var(--line)}.quick-item:last-child{border-right:0}.quick-icon{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#252525;color:#fff;font-size:1.25rem}.quick-item strong{display:block;color:var(--accent);text-transform:uppercase;font-size:.93rem}.quick-item p{font-size:.91rem;margin:.25em 0 0}.section{padding:86px 0}.section.white{background:#fff}.section.dark{background:#181818;color:#fff}.section-head{max-width:780px;margin-bottom:38px}.section-head p{color:var(--muted);font-size:1.06rem}.dark .section-head p{color:#ccc}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 7px 22px rgba(0,0,0,.06)}.card img{width:100%;aspect-ratio:16/10;object-fit:cover}.card-body{padding:22px}.card p{color:var(--muted);margin:.3em 0 1em}.text-link{font-weight:800;color:var(--accent)}.text-link:hover{text-decoration:underline}.railroad-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.railroad-card{background:#fff;border-left:6px solid var(--accent);padding:24px;box-shadow:0 8px 24px rgba(0,0,0,.08)}.railroad-card p{color:var(--muted)}.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}.image-frame{border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}.image-frame img{width:100%;height:100%;object-fit:cover}.check-list{padding:0;list-style:none}.check-list li{padding:9px 0 9px 34px;position:relative}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--accent);font-weight:900}.cta{background:linear-gradient(110deg,#191919,#333);color:#fff;border-top:5px solid var(--accent)}.cta-inner{display:flex;justify-content:space-between;gap:30px;align-items:center;padding:55px 0}.cta h2{margin:0}.page-hero{background:#202020;color:#fff;padding:82px 0 70px;border-bottom:5px solid var(--accent);background-image:linear-gradient(90deg,rgba(0,0,0,.85),rgba(0,0,0,.48)),url('../images/o-gauge-passenger.jpg');background-size:cover;background-position:center}.page-hero p{max-width:700px;font-size:1.1rem}.breadcrumbs{font-size:.84rem;color:#d4d4d4;margin-bottom:17px}.content{padding:70px 0}.content-narrow{width:min(820px,calc(100% - 36px));margin:auto}.prose h2{margin-top:1.5em}.prose h3{margin-top:1.4em}.prose p,.prose li{font-size:1.03rem}.notice{padding:18px 21px;background:#fff4ea;border-left:5px solid var(--accent);margin:28px 0}.product-tools{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}.product-tools input,.product-tools select{padding:12px 13px;border:1px solid #bbb;background:#fff;border-radius:3px;font:inherit}.product-tools input{min-width:280px;flex:1}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{background:#fff;border:1px solid var(--line);border-radius:7px;overflow:hidden;display:flex;flex-direction:column}.product-image{height:185px;background-size:cover;background-position:center;position:relative}.product-image:after{content:'';position:absolute;inset:0;background:linear-gradient(transparent,rgba(0,0,0,.25))}.product-card .card-body{display:flex;flex-direction:column;flex:1}.product-card .meta{font-size:.83rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:800}.product-card .price{font-size:1.35rem;font-weight:800;margin-top:auto;padding-top:10px}.product-card .button{width:100%;margin-top:12px}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line)}table{width:100%;border-collapse:collapse;min-width:700px}th,td{text-align:left;padding:15px;border-bottom:1px solid var(--line)}th{background:#222;color:#fff}.steps{counter-reset:steps;display:grid;gap:16px}.step{counter-increment:steps;background:#fff;border:1px solid var(--line);padding:23px 23px 23px 78px;position:relative}.step:before{content:counter(steps);position:absolute;left:22px;top:20px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:900}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px}.contact-card,.contact-form{background:#fff;padding:30px;border:1px solid var(--line);box-shadow:0 8px 24px rgba(0,0,0,.06)}.field{display:grid;gap:7px;margin-bottom:17px}.field input,.field textarea,.field select{width:100%;padding:12px;border:1px solid #aaa;font:inherit}.field textarea{min-height:150px;resize:vertical}.site-footer{background:#111;color:#ddd;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.site-footer h3{color:#fff;font-size:1rem;text-transform:uppercase}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:8px 0}.footer-links a:hover{color:var(--accent-2)}.footer-bottom{border-top:1px solid #333;margin-top:35px;padding-top:20px;font-size:.84rem;color:#aaa;display:flex;justify-content:space-between;gap:18px}.badge-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#444}.badge{background:#1c1c1c;color:#fff;padding:24px;text-align:center}.badge strong{display:block;color:var(--accent-2)}.hidden{display:none!important}
@media(max-width:1000px){.main-nav{position:absolute;left:0;right:0;top:82px;background:#171717;display:none;flex-direction:column;align-items:stretch;gap:0;padding:10px 22px 20px}.main-nav.open{display:flex}.main-nav a{padding:13px 5px}.menu-toggle{display:block}.hero{background-position:38% center}.hero-content{width:60%}.quick-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}.quick-item:nth-child(2){border-right:0}.card-grid,.product-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.header-inner{min-height:70px}.brand-text{font-size:1rem}.brand-mark{width:43px;height:43px}.main-nav{top:70px}.hero{min-height:620px;background-position:33% center}.hero:before{content:'';position:absolute;inset:0;background:rgba(0,0,0,.36)}.hero{position:relative}.hero-content{position:relative;width:100%;margin:0;padding:80px 0 55px}.hero h1{font-size:3.1rem}.quick-grid,.feature-grid,.card-grid,.railroad-grid,.product-grid,.two-col,.contact-grid,.footer-grid{grid-template-columns:1fr}.quick-item{border-right:0;border-bottom:1px solid var(--line)}.section{padding:62px 0}.cta-inner{align-items:flex-start;flex-direction:column}.footer-bottom{flex-direction:column}.badge-row{grid-template-columns:1fr 1fr}.product-tools{flex-direction:column}.product-tools input{min-width:0;width:100%}}