html{scroll-behavior:smooth}body.ib-app{margin:0;background:var(--ib-paper);color:var(--ib-text);font:16px/1.6 var(--ib-font-sans)}*{box-sizing:border-box}a{color:inherit;text-underline-offset:5px}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--ib-focus);outline-offset:5px}a:hover{color:var(--ib-signal-text)}[hidden]{display:none!important}.wrap{width:calc(100% - 112px);max-width:1328px;margin-inline:auto}.site-header{min-height:104px;display:flex;align-items:center;gap:34px;padding:24px 52px;max-width:1600px;margin:auto}.wordmark{text-decoration:none;font-size:26px;font-weight:650;letter-spacing:.16em;color:var(--ib-text-strong);line-height:1.2}.site-header nav{display:flex;gap:36px;margin-left:54px;align-items:center}.site-header nav a{text-decoration:none;font-size:16px;white-space:nowrap}.site-header nav a[aria-current]{color:var(--ib-signal-text);text-decoration:underline}.development{margin-left:auto;font-size:13px;color:var(--ib-text-2);white-space:nowrap}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;min-height:48px;border:1px solid var(--ib-signal-text);border-radius:2px;background:var(--ib-signal-text);color:var(--ib-signal-on);text-decoration:none;white-space:nowrap;font-weight:500}.button:hover{background:var(--ib-signal-active);color:var(--ib-signal-on)}.hero{display:grid;grid-template-columns:.96fr 1.12fr;min-height:520px;align-items:center;gap:24px}.hero-copy{padding:12px 0 66px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:13px;font-weight:600;color:var(--ib-signal-text);margin:0 0 18px}h1,h2,h3,p,figure{margin:0}h1{font-size:clamp(48px,5.4vw,78px);line-height:1.05;letter-spacing:-.045em;font-weight:600;color:var(--ib-text-strong)}h2{font-size:28px;line-height:1.25;letter-spacing:-.025em;font-weight:600;color:var(--ib-text-strong)}h3{font-size:23px;line-height:1.25;font-weight:600;letter-spacing:-.015em;color:var(--ib-text-strong)}.lead{font-size:20px;line-height:1.55;max-width:610px;margin-top:30px;color:var(--ib-text-2)}.hero-figure{align-self:center;text-align:center}.hero-figure img{display:block;width:100%;height:475px;object-fit:contain;mix-blend-mode:multiply}.hero-figure figcaption{font-size:13px;color:var(--ib-text-2);margin:4px 0 18px}.layers{border-top:1px solid var(--ib-line-strong);padding-top:28px}.layers h2{font-size:26px}.section-subtitle{color:var(--ib-text-2);margin-top:4px}.columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:64px}.product-columns{padding:28px 8px 30px}.columns article>p{margin-top:14px;color:var(--ib-text-2);max-width:350px}.columns article .number{color:var(--ib-signal-text);font-size:16px;font-weight:500;margin:0 0 6px}.columns article .role{color:var(--ib-text);margin:2px 0 0}.columns article h3{margin-bottom:8px}.columns .text-link{margin-top:14px;display:inline-block}.text-link{color:var(--ib-signal-text);font-weight:500}.source-section{background:var(--ib-bg-sunken);border:1px solid var(--ib-line);border-radius:4px;padding:32px;display:grid;grid-template-columns:1fr 1.9fr;gap:48px}.source-section h2{font-size:28px;padding-top:8px}.source-buttons{display:flex;flex-wrap:wrap;gap:26px;margin-bottom:16px}.source-buttons button{background:transparent;color:var(--ib-text);border:0;border-bottom:2px solid transparent;padding:0 0 10px;min-height:44px;font-size:14px}.source-buttons button[aria-pressed=true]{color:var(--ib-signal-text);border-color:var(--ib-signal-text)}#source-content{max-width:620px;min-height:105px}.small{font-size:13px;margin-top:10px;color:var(--ib-text-2)}.feature-band{display:grid;grid-template-columns:1fr 1fr;gap:72px;padding-block:76px}.feature-band h2{font-size:38px}.feature-band .button{margin-top:24px}.page-intro{padding-block:76px 60px;border-bottom:1px solid var(--ib-line)}.page-intro h1{max-width:1000px;font-size:clamp(44px,5.1vw,72px)}.page-intro .lead{max-width:780px}.content-section{padding-block:56px}.content-section>h2{margin-bottom:28px}.example-band{padding:42px;background:var(--ib-bg-sunken);border-left:3px solid var(--ib-signal-text)}.example-band .lead{max-width:860px;margin-top:18px}.example-band .button{margin-top:24px}.status-note{border-top:1px solid var(--ib-line);padding:24px 0 40px;display:grid;grid-template-columns:220px 1fr;gap:24px;color:var(--ib-text-2)}.status-note p{max-width:780px}.site-footer{border-top:1px solid var(--ib-line-strong);padding:40px 56px;display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:1600px;margin:auto}.site-footer .wordmark{font-size:20px}.site-footer p{font-size:14px;color:var(--ib-text-2);margin-top:16px}.footer-links{display:flex;flex-wrap:wrap;align-content:flex-start;gap:16px 24px}.footer-links a{font-size:14px}.footer-note{grid-column:1/-1}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:16px;min-width:650px}caption{text-align:left;margin-bottom:20px;color:var(--ib-text-2)}th,td{padding:18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--ib-line)}thead{background:var(--ib-bg-sunken)}tbody th{width:21%;font-weight:600}.readable{max-width:840px}.readable p{margin-bottom:28px}.readable h2{margin-top:30px}.readable .button{margin-top:12px}.example-label{font-size:13px;color:var(--ib-signal-text);margin-bottom:18px}.workflow{padding-block:36px}.workflow-steps{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--ib-line-strong)}.workflow-steps button{padding:18px;text-align:left;background:transparent;border:0;border-bottom:3px solid transparent;color:var(--ib-text-2)}.workflow-steps button[aria-pressed=true]{border-bottom-color:var(--ib-signal-text);color:var(--ib-signal-text);font-weight:600}.workflow-panel{background:var(--ib-bg-sunken);padding:36px;min-height:285px}.workflow-panel>p:not(.eyebrow){max-width:800px;margin-top:18px}.record-details{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}.record-details dt{font-size:13px;color:var(--ib-text-2)}.record-details dd{margin:6px 0 0;font-size:18px;font-weight:500}.workflow-actions{display:flex;gap:28px;align-items:center;margin-top:24px;flex-wrap:wrap}.skip{position:fixed;top:-100px;left:20px;background:var(--ib-paper);padding:12px;z-index:20}.skip:focus{top:12px}.menu-toggle{background:transparent;border:1px solid var(--ib-line-strong);padding:8px 14px;min-height:44px}
@media(min-width:1600px){.hero{min-height:580px}.hero-figure img{height:520px}}@media(max-width:1250px){.site-header{gap:22px;padding-inline:32px}.site-header nav{margin-left:auto;gap:22px}.development{display:none}.hero-figure img{height:440px}.wrap{width:calc(100% - 64px)}.columns{gap:36px}.hero-copy{padding-bottom:36px}.source-section{gap:30px}}
@media(max-width:850px){.site-header{flex-wrap:wrap;padding:22px 24px;gap:20px;min-height:84px}.wordmark{font-size:23px}.site-header nav{order:4;width:100%;gap:24px;flex-wrap:wrap;padding-block:8px}.site-header .header-cta{margin-left:auto}.hero{min-height:0;gap:0}.hero h1{font-size:clamp(42px,6vw,58px)}.hero-figure img{height:370px}.hero-copy{padding:40px 0}.lead{font-size:18px}.columns{gap:24px}.source-section{grid-template-columns:1fr;gap:18px}.source-buttons{gap:22px}.feature-band{gap:40px}.page-intro{padding-block:48px}.columns h3{font-size:21px}}
@media(max-width:620px){.wrap{width:calc(100% - 40px)}.site-header{padding:20px;gap:16px}.site-header .header-cta{display:none}.menu-toggle{margin-left:auto}.js .menu-toggle{display:block!important}.js .site-header nav:not(.open){display:none}.site-header nav{flex-direction:column;align-items:flex-start;gap:14px}.site-header nav a{padding:4px 0}.hero{grid-template-columns:1fr}.hero-copy{padding:32px 0 12px}.hero h1{font-size:49px}.hero .lead{margin-top:24px}.hero-figure img{height:310px}.hero-figure figcaption{font-size:12px;margin-bottom:22px}.layers{padding-top:24px}.layers h2{font-size:25px}.columns{grid-template-columns:1fr;gap:28px}.product-columns{padding:28px 0}.columns article>p{max-width:none}.columns article{padding-bottom:22px;border-bottom:1px solid var(--ib-line)}.columns article:last-child{border-bottom:0;padding-bottom:0}.source-section{padding:22px;gap:12px}.source-section h2{font-size:26px}.source-buttons{gap:8px 18px}.source-buttons button{font-size:14px}#source-content{min-height:0;margin-bottom:18px}.feature-band{grid-template-columns:1fr;gap:24px;padding-block:48px}.feature-band h2{font-size:32px}.site-footer{padding:32px 20px;grid-template-columns:1fr}.page-intro{padding-block:40px}.page-intro h1{font-size:44px}.content-section{padding-block:36px}.example-band{padding:24px}.status-note{grid-template-columns:1fr;gap:10px}.workflow-steps button{padding:12px 4px;font-size:14px}.workflow-panel{padding:24px;min-height:380px}.record-details{grid-template-columns:1fr;gap:12px}.workflow-actions{gap:20px}.workflow-actions .button{width:100%}.workflow-panel h2{font-size:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Release QA: suppress inherited link rules on navigation and desktop menu. */
.menu-toggle{display:none}.ib-app .wordmark,.ib-app .site-header nav a{border-bottom:0}.ib-app .text-link{border-bottom:0;text-decoration:underline}.ib-app .footer-links a{border-bottom:0;text-decoration:underline}


/* v1.1.0: BHZA reference rhythm and the existing Revit icon library. */
.page-intro{padding-block:90px 72px}.page-intro h1{font-weight:500}.catalogue-controls{display:flex;gap:24px;margin-block:28px 18px}.catalogue-controls label{display:grid;gap:8px;font-size:14px;flex:1}.catalogue-controls input,.catalogue-controls select{font:inherit;min-height:48px;border:1px solid var(--ib-line-strong);padding:12px;background:var(--ib-bg-raised);color:var(--ib-text);border-radius:2px}.catalogue-controls :focus-visible{outline:3px solid var(--ib-focus);outline-offset:3px}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 30px}.tool-card{display:flex;gap:18px;padding:28px 0;border-top:1px solid var(--ib-line);align-items:flex-start}.tool-card img{flex-shrink:0;object-fit:contain}.tool-card h3{font-size:19px}.tool-card p{font-size:14px;margin-top:10px}.tool-card .tool-panel{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ib-signal-text);margin:0 0 8px}.tool-card details{font-size:13px;margin-top:16px}.tool-card summary{cursor:pointer;color:var(--ib-signal-text);padding:5px 0}.tool-card code{overflow-wrap:anywhere}.tool-card details p{font-size:13px}#tool-count{color:var(--ib-text-2);font-size:14px;margin-bottom:20px}.readable{line-height:1.7}.site-footer .footer-links{gap:18px 24px}@media(max-width:1050px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.tool-grid{grid-template-columns:1fr}.catalogue-controls{flex-direction:column;gap:16px}.page-intro{padding-block:44px}.tool-card h3{font-size:20px}}