/*
Theme Name: RO4350B Industrial
Description: Flat engineering-focused WordPress theme for Rogers RO4350B PCB.
Version: 0.2.1
Requires at least: 6.5
Requires PHP: 8.1
Text Domain: ro4350b-industrial
*/
:root{--ink:#142e3e;--muted:#546775;--line:#d8e1e5;--paper:#f3f6f6;--accent:#b64822;--blue:#155774}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#fff;font:16px/1.65 Arial,Helvetica,sans-serif}a{color:var(--blue);text-underline-offset:4px}img,svg{max-width:100%;height:auto}button,input,select,textarea{font:inherit}button,.button{cursor:pointer;background:var(--accent);border:1px solid var(--accent);color:white;padding:12px 22px;text-decoration:none;display:inline-block;font-weight:700}.button.secondary{background:transparent;color:var(--ink);border-color:var(--ink)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #de8b28;outline-offset:4px}.wrap{width:min(1200px,92%);margin:auto}.topline{background:var(--ink);color:#fff;font-size:12px;letter-spacing:.12em;padding:8px 0}.site-header{border-bottom:1px solid var(--line);background:white}.head{display:flex;align-items:center;gap:28px;justify-content:space-between;padding:22px 0}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none;font-weight:bold;line-height:1.15}.brand img{width:44px}.brand small{display:block;letter-spacing:.22em;font-size:11px;margin-top:6px}.nav{display:flex;gap:25px;align-items:center}.nav a{font-size:14px;font-weight:bold;text-decoration:none;color:var(--ink)}.nav .button{color:#fff}.menu-toggle{display:none}.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:bold}.hero{padding:70px 0 56px;background:var(--paper)}.hero-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}h1{font-size:clamp(38px,4.5vw,62px);line-height:1.07;letter-spacing:-.04em;margin:18px 0 26px}h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.025em;margin:10px 0 20px}h3{font-size:21px;line-height:1.3}.lead{font-size:19px;color:var(--muted);max-width:650px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.spec-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.spec-strip>div{padding:22px;border-right:1px solid var(--line)}.spec-strip strong{font-size:28px;display:block}.spec-strip span{font-size:12px;color:var(--muted)}section.section{padding:70px 0;border-bottom:1px solid var(--line)}.two{display:grid;grid-template-columns:1fr 1fr;gap:56px}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.feature{border-top:3px solid var(--ink);padding-top:20px}.number{font-size:13px;color:var(--accent);font-weight:bold}.feature p,figcaption,.note{color:var(--muted);font-size:14px}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left}th{background:var(--paper)}.tool{background:var(--ink);color:#fff;padding:34px}.tool .eyebrow{color:#f7ac76}.tool input,.tool select{width:100%;padding:10px;background:#fff;border:1px solid #b7c6ce;color:var(--ink)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{display:block;font-size:13px;font-weight:bold}.tool output{font-size:46px;display:block;margin-top:22px}.tool .note{color:#b9cbd5}.steps{counter-reset:steps;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.steps article{border-top:1px solid var(--line);padding-top:20px}.steps article:before{counter-increment:steps;content:'0' counter(steps);color:var(--accent);font-weight:bold}.cta{background:var(--paper);padding:32px;margin:36px 0}.content{max-width:820px;padding:55px 0}.content h1{font-size:44px}.content h2{font-size:29px;margin-top:40px}.content li{margin:10px 0}.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.article-list article{border-top:2px solid var(--line);padding:20px 0}.article-list h2{font-size:23px}.breadcrumbs{font-size:13px;color:var(--muted)}footer{background:var(--ink);color:#c5d2d9;padding:40px 0;font-size:13px}footer a{color:#fff}.footer-row{display:flex;justify-content:space-between;gap:30px}.skip{position:absolute;left:-10000px}.skip:focus{left:10px;top:10px;background:#fff;padding:12px;z-index:100}summary{cursor:pointer;font-weight:bold;padding:17px 0}details{border-bottom:1px solid var(--line)}.diagram{background:#e3ebed;padding:30px}.diagram figcaption{margin-top:15px}.notice{border-left:3px solid var(--accent);padding:12px 20px;background:var(--paper)}
@media(max-width:850px){.hero-grid,.two{grid-template-columns:1fr;gap:32px}.three,.article-list{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.head{flex-wrap:wrap}.menu-toggle{display:block;background:var(--ink);border:0;padding:8px 14px}.nav{display:none;width:100%;flex-wrap:wrap}.nav.open{display:flex}.hero{padding:36px 0}.spec-strip{grid-template-columns:1fr 1fr}.footer-row{display:block}section.section{padding:45px 0}}
@media(max-width:520px){.three,.article-list,.fields{grid-template-columns:1fr}.tool{padding:22px}h1{font-size:38px}.content h1{font-size:34px}.nav{gap:18px}.spec-strip>div{padding:14px}}

.board-photo{margin:0}.board-photo img{display:block;width:100%;border:1px solid var(--line)}.board-photo figcaption{font-size:12px;line-height:1.5;margin-top:12px}.hero h1{font-size:clamp(36px,4vw,55px)}.content article img{display:block;margin:26px auto}.content article table{margin:24px 0}.content article h2{scroll-margin-top:25px}.content article a{overflow-wrap:anywhere}