/* AVAG Electrical Advice knowledge hub — shared guide styles.
   Reuses the existing AVAG styles.css / page.css identity and adds only
   guide-specific layouts, cards, diagrams and responsive behaviour. */
:root{--guide-navy:var(--navy,#03163f);--guide-navy2:var(--navy2,#072456);--guide-accent:var(--orange,#00a9d6);--guide-accent2:var(--orange2,#25d1f2);--guide-ink:var(--ink,#071a42);--guide-muted:var(--muted,#657086);--guide-line:var(--line,#dce2eb);--guide-paper:var(--paper,#f4f6fa);--guide-white:#fff;--guide-soft:#eaf9fd;--guide-danger:#a61b1b;--guide-warn:#9a5c00;--guide-good:#166534;--guide-info:#245a8d}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body.advice-guide-page{background:var(--guide-paper);color:var(--guide-ink)}
.advice-guide-page .header{background:rgba(255,255,255,.97)}
.guide-shell{width:min(1180px,90vw);margin-inline:auto}
.guide-section{padding:92px 0}
.guide-section--white{background:#fff}
.guide-section--navy{background:var(--guide-navy);color:#fff}
.guide-section--soft{background:#edf9fc}
.guide-eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 16px;font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.16em;color:var(--guide-accent)}
.guide-eyebrow:before{content:"";width:24px;height:2px;background:currentColor;flex:none}
.guide-heading{font-size:clamp(34px,4vw,58px);line-height:1.02;margin:0 0 20px;text-transform:uppercase;letter-spacing:-.035em}
.guide-heading em{font-style:normal;color:var(--guide-accent)}
.guide-intro{max-width:780px;color:var(--guide-muted);font-size:17px;line-height:1.75;margin:0}
.guide-section--navy .guide-intro{color:#c1cada}
.guide-section-head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(270px,.65fr);gap:7vw;align-items:end;margin-bottom:44px}
.guide-section-head p{margin:0;color:var(--guide-muted);line-height:1.7}
.guide-section--navy .guide-section-head p{color:#bcc7d7}

/* Breadcrumb + hero */
.guide-breadcrumb-wrap{background:#fff;border-bottom:1px solid var(--guide-line)}
.guide-breadcrumb{min-height:48px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--guide-muted)}
.guide-breadcrumb a{text-decoration:none;color:inherit}
.guide-breadcrumb a:hover,.guide-breadcrumb a:focus-visible{color:var(--guide-accent)}
.guide-hero{position:relative;overflow:hidden;background:var(--guide-navy);color:#fff;padding:92px 0 86px}
.guide-hero:before{content:"";position:absolute;inset:-35% 0 auto 48%;height:680px;background:radial-gradient(circle,rgba(0,169,214,.22),transparent 64%);pointer-events:none}
.guide-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:6vw;align-items:center}
.guide-hero h1{font-size:clamp(43px,5.7vw,78px);line-height:.98;max-width:860px;margin:0;text-transform:none;letter-spacing:-.045em}
.guide-hero h1 strong{color:var(--guide-accent);font-weight:inherit}
.guide-hero-lead{max-width:760px;margin:26px 0 0;color:#c7d0de;font-size:18px;line-height:1.75}
.guide-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.guide-hero-actions .button{min-width:210px}
.guide-button-secondary{display:inline-flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px;min-width:210px;border:1px solid rgba(255,255,255,.38);color:#fff;font-size:11px;font-weight:900;letter-spacing:.07em;text-transform:uppercase;transition:.2s}
.guide-button-secondary:hover,.guide-button-secondary:focus-visible{background:#fff;color:var(--guide-navy);transform:translateY(-2px)}
.guide-hero-proof{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.guide-hero-proof span{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.18);padding:9px 11px;font-size:10px;font-weight:800;color:#d9e0eb;background:rgba(255,255,255,.04)}
.guide-hero-proof span:before{content:"✓";color:var(--guide-accent);font-weight:900}
.guide-hero-visual{position:relative;background:linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.025));border:1px solid rgba(255,255,255,.14);padding:25px;box-shadow:0 28px 70px rgba(0,0,0,.2)}
.guide-hero-visual svg{width:100%;height:auto;display:block}
.guide-visual-label{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:15px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:#b8c4d6}
.guide-visual-label b{color:#fff;font-size:11px}

/* TOC */
.guide-toc{padding:50px 0 58px;background:#fff;border-bottom:1px solid var(--guide-line)}
.guide-toc-card{display:grid;grid-template-columns:245px 1fr;border:1px solid var(--guide-line);background:#fff;box-shadow:0 18px 50px rgba(3,22,63,.06)}
.guide-toc-title{padding:28px;background:var(--guide-navy);color:#fff}
.guide-toc-title small{display:block;color:var(--guide-accent);text-transform:uppercase;letter-spacing:.13em;font-weight:900;margin-bottom:8px}
.guide-toc-title strong{font-size:22px;line-height:1.12;text-transform:uppercase}
.guide-toc-links{display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:8px 18px}
.guide-toc-links a{display:flex;align-items:center;gap:10px;min-height:48px;padding:8px 10px;border-bottom:1px solid var(--guide-line);font-size:11px;font-weight:800;color:var(--guide-ink)}
.guide-toc-links a:before{content:"↳";color:var(--guide-accent)}
.guide-toc-links a:hover,.guide-toc-links a:focus-visible{color:var(--guide-accent)}

/* Generic cards */
.guide-grid{display:grid;gap:18px}
.guide-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.guide-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.guide-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.guide-card{background:#fff;border:1px solid var(--guide-line);padding:26px;min-width:0}
.guide-card h3{margin:14px 0 10px;font-size:18px;line-height:1.2;text-transform:none;letter-spacing:-.015em}
.guide-card p{margin:0;color:var(--guide-muted);font-size:14px;line-height:1.7}
.guide-card ul{margin:13px 0 0;padding-left:18px;color:var(--guide-muted);font-size:13px;line-height:1.65}
.guide-icon{width:48px;height:48px;display:grid;place-items:center;background:#e5f9ff;color:var(--guide-accent);border-radius:50%;font-size:22px;font-weight:900;line-height:1}
.guide-icon svg{width:25px;height:25px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.guide-card--dark{background:var(--guide-navy);color:#fff;border-color:var(--guide-navy)}
.guide-card--dark p,.guide-card--dark li{color:#c2ccda}
.guide-card--accent{border-top:4px solid var(--guide-accent)}
.guide-card-label{display:inline-block;color:var(--guide-accent);font-size:9px;text-transform:uppercase;letter-spacing:.13em;font-weight:900}

/* Callouts */
.guide-callout{display:grid;grid-template-columns:55px 1fr;gap:18px;align-items:start;padding:24px;margin:30px 0;background:#eaf9fd;border-left:4px solid var(--guide-accent)}
.guide-callout__icon{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--guide-accent);font-weight:900;font-size:20px}
.guide-callout h3{margin:0 0 6px;font-size:18px;text-transform:none;letter-spacing:-.01em}
.guide-callout p{margin:0;color:var(--guide-muted);line-height:1.7;font-size:14px}
.guide-callout--warning{background:#fff7e8;border-left-color:#c07800}.guide-callout--warning .guide-callout__icon{color:#9a5c00}
.guide-callout--danger{background:#fff0f0;border-left-color:#b32727}.guide-callout--danger .guide-callout__icon{color:#a61b1b}
.guide-callout--navy{background:var(--guide-navy);border-left-color:var(--guide-accent);color:#fff}.guide-callout--navy p{color:#c7d0de}.guide-callout--navy .guide-callout__icon{background:rgba(255,255,255,.09)}
.guide-quote{margin:32px 0;padding:26px 30px;background:var(--guide-navy);color:#fff;border-left:5px solid var(--guide-accent);font-size:clamp(22px,3vw,34px);line-height:1.2;font-weight:900;letter-spacing:-.03em}
.guide-quote small{display:block;margin-top:10px;color:#b8c4d6;font-size:11px;line-height:1.5;font-weight:600;letter-spacing:.02em}

/* Frequency */
.guide-compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
.guide-compare-box{position:relative;padding:28px;border:1px solid var(--guide-line);background:#fff}
.guide-compare-box:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--guide-accent)}
.guide-compare-box--law:before{background:var(--guide-navy)}
.guide-compare-box h3{font-size:19px;text-transform:none;letter-spacing:-.01em;margin:0 0 10px}
.guide-compare-box strong{display:block;font-size:28px;line-height:1.1;color:var(--guide-navy);margin:11px 0}
.guide-compare-box p{margin:0;color:var(--guide-muted);line-height:1.7;font-size:14px}
.guide-frequency-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:32px 0}
.guide-frequency-item{background:#fff;border:1px solid var(--guide-line);padding:20px 16px;text-align:center}
.guide-frequency-item .guide-icon{margin:0 auto 14px}.guide-frequency-item b{display:block;font-size:21px;color:var(--guide-navy);margin-bottom:6px}.guide-frequency-item span{display:block;font-size:11px;color:var(--guide-muted);line-height:1.45}
.guide-table-wrap{overflow-x:auto;overscroll-behavior-inline:contain;border:1px solid var(--guide-line);background:#fff;margin:28px 0}
.guide-table{width:100%;min-width:820px;border-collapse:collapse;text-align:left}
.guide-table caption{text-align:left;padding:18px 20px;background:var(--guide-navy);color:#fff;font-weight:900;text-transform:uppercase;letter-spacing:.04em}
.guide-table th,.guide-table td{padding:15px 17px;border-bottom:1px solid var(--guide-line);vertical-align:top;font-size:13px;line-height:1.5}
.guide-table th{background:#f4f7fa;color:var(--guide-navy);font-size:10px;text-transform:uppercase;letter-spacing:.09em}
.guide-table tbody tr:last-child td{border-bottom:0}.guide-table td:nth-child(2){font-weight:800;color:var(--guide-navy)}
.guide-table-note{font-size:12px;color:var(--guide-muted);line-height:1.65;margin-top:-10px}

/* Classification */
.guide-code-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:28px}
.guide-code{position:relative;background:#fff;border:1px solid var(--guide-line);padding:30px;overflow:hidden}
.guide-code:before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--code-color)}
.guide-code--c1{--code-color:#a61b1b}.guide-code--c2{--code-color:#c36a00}.guide-code--c3{--code-color:#166534}.guide-code--fi{--code-color:#245a8d}
.guide-code-head{display:flex;align-items:center;gap:16px;margin-bottom:18px}.guide-code-badge{width:60px;height:60px;display:grid;place-items:center;border:2px solid var(--code-color);color:var(--code-color);font-size:21px;font-weight:900;flex:none}.guide-code h3{margin:0;font-size:22px;text-transform:none;letter-spacing:-.02em}.guide-code h3 small{display:block;margin-top:5px;color:var(--guide-muted);font-size:11px;font-weight:700;letter-spacing:0}.guide-code p,.guide-code li{font-size:13px;line-height:1.65;color:var(--guide-muted)}.guide-code ul{margin:12px 0;padding-left:18px}.guide-code-outcome{margin-top:18px;padding:13px 15px;border:1px solid color-mix(in srgb,var(--code-color) 30%,white);background:color-mix(in srgb,var(--code-color) 6%,white);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;color:var(--code-color)}
.guide-code-compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.guide-code-compare div{padding:14px;background:#f6f8fb;font-size:12px;line-height:1.45}.guide-code-compare b{display:block;margin-bottom:4px;color:var(--guide-navy)}

/* Process */
.guide-process{counter-reset:step;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border:1px solid rgba(255,255,255,.18);margin-top:34px}
.guide-process article{position:relative;min-height:220px;padding:22px 18px;border-right:1px solid rgba(255,255,255,.15)}.guide-process article:last-child{border-right:0}.guide-process article:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--guide-accent);font-size:11px;font-weight:900;margin-bottom:45px}.guide-process .guide-icon{background:rgba(255,255,255,.08);margin-bottom:16px}.guide-process h3{font-size:13px;line-height:1.3;margin:0 0 8px;text-transform:uppercase;letter-spacing:-.01em}.guide-process p{font-size:11px;line-height:1.55;color:#afbbcd;margin:0}

/* Technical cards */
.guide-tech-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.guide-tech-card{background:#fff;border:1px solid var(--guide-line);padding:24px}
.guide-tech-card .guide-icon{width:42px;height:42px}.guide-tech-card h3{margin:15px 0 8px;font-size:17px;text-transform:none;letter-spacing:-.01em}.guide-tech-card p{margin:0;color:var(--guide-muted);font-size:13px;line-height:1.65}.guide-tech-card strong{display:block;margin-top:14px;padding-top:12px;border-top:1px solid var(--guide-line);font-size:11px;color:var(--guide-navy);text-transform:uppercase;letter-spacing:.05em}
.guide-detail{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:5vw;padding:38px 0;border-top:1px solid var(--guide-line);align-items:start}
.guide-detail:first-of-type{border-top:0}.guide-detail h3{font-size:clamp(25px,2.5vw,36px);line-height:1.05;text-transform:none;letter-spacing:-.03em;margin:12px 0 0}.guide-detail-body p,.guide-detail-body li{color:var(--guide-muted);font-size:14px;line-height:1.75}.guide-detail-body p:first-child{margin-top:0}.guide-detail-body ul{padding-left:19px}.guide-metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.guide-metric{background:#f4f7fa;border:1px solid var(--guide-line);padding:16px}.guide-metric b{display:block;color:var(--guide-navy);font-size:15px;margin-bottom:4px}.guide-metric span{color:var(--guide-muted);font-size:11px;line-height:1.45}

/* Checklists + comparisons */
.guide-checklist{list-style:none;padding:0;margin:20px 0 0}.guide-checklist li{display:grid;grid-template-columns:24px 1fr;gap:10px;padding:12px 0;border-top:1px solid var(--guide-line);color:var(--guide-muted);font-size:13px;line-height:1.55}.guide-checklist li:before{content:"✓";width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:#e5f9ff;color:var(--guide-accent);font-weight:900}
.guide-mini-compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--guide-line);background:#fff;margin-top:24px}.guide-mini-compare>div{padding:26px}.guide-mini-compare>div+div{border-left:1px solid var(--guide-line)}.guide-mini-compare h3{margin:0 0 12px;font-size:19px;text-transform:none}.guide-mini-compare p,.guide-mini-compare li{font-size:13px;line-height:1.65;color:var(--guide-muted)}.guide-mini-compare ul{padding-left:18px;margin-bottom:0}

/* FAQ */
.guide-faq{border-top:2px solid var(--guide-navy);background:#fff}
.guide-faq details{border-bottom:1px solid var(--guide-line)}
.guide-faq summary{list-style:none;display:grid;grid-template-columns:1fr 38px;gap:20px;align-items:center;padding:22px 4px;font-size:14px;font-weight:900;text-transform:none;cursor:pointer;color:var(--guide-navy)}
.guide-faq summary::-webkit-details-marker{display:none}.guide-faq summary:after{content:"+";width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--guide-line);color:var(--guide-accent);font-size:20px}.guide-faq details[open] summary:after{content:"−";background:var(--guide-navy);border-color:var(--guide-navy);color:#fff}.guide-faq details p{max-width:880px;margin:-4px 0 22px;padding-right:54px;color:var(--guide-muted);font-size:13px;line-height:1.7}

/* CTA / sources / footer extras */
.guide-cta{background:var(--guide-accent);color:#fff;padding:76px 0}.guide-cta-grid{display:grid;grid-template-columns:1fr auto;gap:60px;align-items:center}.guide-cta h2{margin:0 0 14px;font-size:clamp(36px,4vw,60px);line-height:1;text-transform:uppercase;letter-spacing:-.035em}.guide-cta p{margin:0;max-width:720px;line-height:1.7}.guide-cta-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.guide-cta .button{background:var(--guide-navy);color:#fff}.guide-cta .guide-button-secondary{border-color:#fff}.guide-disclaimer{padding:30px;border:1px solid var(--guide-line);background:#fff;color:var(--guide-muted);font-size:12px;line-height:1.7}.guide-disclaimer strong{color:var(--guide-navy)}
.guide-source-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.guide-source-links a{display:inline-flex;align-items:center;padding:9px 12px;border:1px solid var(--guide-line);background:#fff;color:var(--guide-navy);font-size:10px;font-weight:800}.guide-source-links a:hover,.guide-source-links a:focus-visible{border-color:var(--guide-accent);color:var(--guide-accent)}
.guide-related{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid rgba(255,255,255,.18);margin-top:26px}.guide-related a{min-height:130px;padding:20px;border-right:1px solid rgba(255,255,255,.18);display:flex;flex-direction:column;justify-content:space-between;color:#fff}.guide-related a:last-child{border-right:0}.guide-related a:hover,.guide-related a:focus-visible{background:var(--guide-accent)}.guide-related small{color:#aeb9ca;text-transform:uppercase;font-size:9px;letter-spacing:.1em}.guide-related b{font-size:12px;line-height:1.35;text-transform:uppercase}
.guide-anchor{scroll-margin-top:110px}
.guide-sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.advice-guide-page a:focus-visible,.advice-guide-page button:focus-visible,.advice-guide-page summary:focus-visible{outline:3px solid var(--guide-accent);outline-offset:3px}

@media(max-width:1050px){
 .guide-hero-grid{grid-template-columns:1fr .72fr;gap:4vw}.guide-process{grid-template-columns:repeat(4,1fr)}.guide-process article:nth-child(4){border-right:0}.guide-process article:nth-child(-n+4){border-bottom:1px solid rgba(255,255,255,.15)}.guide-process article:nth-child(7){border-right:0}.guide-frequency-strip{grid-template-columns:repeat(3,1fr)}.guide-related{grid-template-columns:repeat(3,1fr)}.guide-related a:nth-child(3){border-right:0}.guide-related a:nth-child(-n+3){border-bottom:1px solid rgba(255,255,255,.18)}
}
@media(max-width:900px){
 .guide-section{padding:76px 0}.guide-section-head{grid-template-columns:1fr;gap:18px}.guide-hero{padding:72px 0}.guide-hero-grid{grid-template-columns:1fr}.guide-hero-visual{max-width:620px}.guide-toc-card{grid-template-columns:1fr}.guide-toc-title{padding:22px}.guide-toc-links{grid-template-columns:repeat(2,1fr)}.guide-grid--3,.guide-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-tech-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.guide-process{grid-template-columns:repeat(2,1fr)}.guide-process article{border-bottom:1px solid rgba(255,255,255,.15)}.guide-process article:nth-child(2n){border-right:0}.guide-process article:nth-last-child(-n+2){border-bottom:0}.guide-detail{grid-template-columns:1fr;gap:20px}.guide-cta-grid{grid-template-columns:1fr;gap:28px}.guide-cta-actions{justify-content:flex-start}.guide-related{grid-template-columns:repeat(2,1fr)}.guide-related a{border-bottom:1px solid rgba(255,255,255,.18)}.guide-related a:nth-child(2n){border-right:0}.guide-related a:nth-child(3){border-right:1px solid rgba(255,255,255,.18)}.guide-related a:last-child{border-bottom:0}
}
@media(max-width:640px){
 .guide-shell{width:min(92vw,1180px)}.guide-section{padding:62px 0}.guide-hero{padding:58px 0 64px}.guide-hero h1{font-size:clamp(38px,11vw,58px)}.guide-hero-lead{font-size:16px}.guide-hero-actions{display:grid}.guide-hero-actions .button,.guide-button-secondary{width:100%;min-width:0}.guide-hero-visual{padding:16px}.guide-visual-label{align-items:flex-start;flex-direction:column}.guide-toc{padding:34px 0}.guide-toc-links{grid-template-columns:1fr;padding:5px 14px}.guide-grid--2,.guide-grid--3,.guide-grid--4,.guide-code-grid,.guide-compare,.guide-mini-compare,.guide-tech-grid{grid-template-columns:1fr}.guide-mini-compare>div+div{border-left:0;border-top:1px solid var(--guide-line)}.guide-frequency-strip{grid-template-columns:1fr 1fr}.guide-frequency-item:last-child{grid-column:1/-1}.guide-process{grid-template-columns:1fr}.guide-process article{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.15)!important;min-height:auto}.guide-process article:last-child{border-bottom:0!important}.guide-process article:before{margin-bottom:22px}.guide-code{padding:24px 21px}.guide-code-compare{grid-template-columns:1fr}.guide-callout{grid-template-columns:42px 1fr;padding:20px 17px}.guide-callout__icon{width:40px;height:40px}.guide-quote{padding:23px 20px}.guide-metric-row{grid-template-columns:1fr}.guide-faq details p{padding-right:8px}.guide-cta{padding:62px 0}.guide-related{grid-template-columns:1fr}.guide-related a{border-right:0!important;border-bottom:1px solid rgba(255,255,255,.18)!important}.guide-related a:last-child{border-bottom:0!important}.guide-table-wrap{margin-inline:0}.guide-table{min-width:730px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.advice-guide-page *{transition:none!important;animation:none!important}}


/* Electrical Advice hub */
.advice-hub-hero{background:var(--guide-navy);color:#fff;padding:92px 0 78px;position:relative;overflow:hidden}
.advice-hub-hero:after{content:"";position:absolute;width:650px;height:650px;border-radius:50%;background:radial-gradient(circle,rgba(0,169,214,.22),transparent 67%);right:-180px;top:-260px;pointer-events:none}
.advice-hub-hero .guide-shell{position:relative;z-index:1}.advice-hub-hero h1{font-size:clamp(48px,6vw,82px);line-height:.95;max-width:920px;letter-spacing:-.045em;text-transform:uppercase}.advice-hub-hero h1 em{font-style:normal;color:var(--guide-accent)}.advice-hub-hero p{max-width:750px;color:#c4cede;font-size:17px;line-height:1.75}
.advice-hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.advice-hub-card{min-height:340px;background:#fff;border:1px solid var(--guide-line);padding:30px;display:flex;flex-direction:column;transition:.22s}.advice-hub-card:hover,.advice-hub-card:focus-visible{transform:translateY(-5px);box-shadow:0 22px 55px rgba(3,22,63,.11);border-color:var(--guide-accent)}.advice-hub-card .guide-icon{margin-bottom:34px}.advice-hub-card small{color:var(--guide-accent);font-size:9px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.advice-hub-card h2{font-size:25px;line-height:1.03;margin:10px 0 16px;text-transform:uppercase}.advice-hub-card p{color:var(--guide-muted);font-size:13px;line-height:1.7}.advice-hub-card b{margin-top:auto;padding-top:25px;color:var(--guide-navy);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.advice-hub-note{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:35px}.advice-hub-note>div{padding:28px;background:#fff;border:1px solid var(--guide-line)}.advice-hub-note h3{font-size:18px;margin:0 0 9px}.advice-hub-note p{margin:0;color:var(--guide-muted);line-height:1.7;font-size:13px}

/* Brand / life-safety guide */
.alarm-guide-page{--guide-soft:#f1fbfd}.alarm-brand-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:16px}.alarm-brand-card{position:relative;background:#fff;border:1px solid var(--guide-line);padding:28px;min-height:310px}.alarm-brand-card--preferred{grid-row:span 2;background:var(--guide-navy);color:#fff;border-color:var(--guide-navy);padding:34px}.alarm-brand-card.alarm-brand-card--preferred p,.alarm-brand-card.alarm-brand-card--preferred li{color:#cbd6e6}.alarm-brand-card h3{font-size:22px;line-height:1.05;margin:16px 0 12px}.alarm-brand-card p,.alarm-brand-card li{color:var(--guide-muted);font-size:13px;line-height:1.65}.alarm-brand-card ul{padding-left:18px}.alarm-preferred-badge{display:inline-flex;align-items:center;gap:8px;padding:9px 11px;background:var(--guide-accent);color:#fff;font-size:9px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.alarm-brand-name{font-size:50px;line-height:1;font-weight:900;letter-spacing:-.05em;margin:25px 0 10px}.alarm-positioning{display:grid;grid-template-columns:1fr 1fr 1fr;border:1px solid var(--guide-line);background:#fff;margin-top:26px}.alarm-positioning>div{padding:25px;border-right:1px solid var(--guide-line)}.alarm-positioning>div:last-child{border-right:0}.alarm-positioning small{display:block;color:var(--guide-muted);text-transform:uppercase;letter-spacing:.1em;font-size:9px}.alarm-positioning b{display:block;margin-top:8px;font-size:18px}.alarm-ecosystem{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;align-items:stretch;margin:30px 0}.alarm-ecosystem div{display:grid;place-items:center;min-height:110px;padding:15px;text-align:center;background:#fff;border:1px solid var(--guide-line);font-size:11px;font-weight:900;text-transform:uppercase}.alarm-ecosystem-plus{border:0!important;background:transparent!important;color:var(--guide-accent);font-size:22px!important;min-height:auto!important}.alarm-system-result{padding:23px;text-align:center;background:var(--guide-navy);color:#fff;font-weight:900;text-transform:uppercase;letter-spacing:.07em}.alarm-formula{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid rgba(255,255,255,.18);margin-top:30px}.alarm-formula div{min-height:135px;padding:20px;border-right:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;font-size:11px;font-weight:900;text-transform:uppercase;line-height:1.45}.alarm-formula div:last-child{border-right:0;background:var(--guide-accent)}

/* PAT / ISIT guide */
.pat-guide-page{--guide-pat:#0c7b73}.pat-guide-page .guide-eyebrow,.pat-guide-page .guide-card-label{color:var(--guide-pat)}.pat-guide-page .guide-eyebrow:before{background:currentColor}.pat-guide-page .guide-icon{color:var(--guide-pat);background:#e6f7f4}.pat-guide-page .guide-card--accent{border-top-color:var(--guide-pat)}.pat-guide-page .guide-callout{border-left-color:var(--guide-pat);background:#edf9f7}.pat-guide-page .guide-callout__icon{color:var(--guide-pat)}.pat-guide-page .guide-quote{border-left-color:var(--guide-pat)}.pat-guide-page .guide-hero:before{background:radial-gradient(circle,rgba(12,123,115,.25),transparent 64%)}.pat-guide-page .guide-toc-title{background:#0a3550}.pat-guide-page .guide-toc-links a:before{color:var(--guide-pat)}.pat-guide-page .guide-toc-links a:hover,.pat-guide-page .guide-toc-links a:focus-visible{color:var(--guide-pat)}
.pat-formula{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:28px 0}.pat-formula>div{min-height:105px;padding:20px;border:1px solid var(--guide-line);background:#fff;display:grid;place-items:center;text-align:center;font-size:11px;font-weight:900;text-transform:uppercase;line-height:1.45}.pat-risk-scale{display:grid;grid-template-columns:1fr 90px 1fr;align-items:stretch;margin:28px 0}.pat-risk-card{padding:26px;background:#fff;border:1px solid var(--guide-line)}.pat-risk-card h3{font-size:20px;margin:0 0 10px}.pat-risk-card p{margin:0;color:var(--guide-muted);font-size:13px;line-height:1.65}.pat-risk-arrow{display:grid;place-items:center;color:var(--guide-pat);font-size:32px;font-weight:900}.myth-fact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.myth-fact{background:#fff;border:1px solid var(--guide-line);overflow:hidden}.myth-fact-head{display:grid;grid-template-columns:72px 1fr}.myth-fact-head b{display:grid;place-items:center;background:#f5e9e9;color:#8a2020;font-size:10px;text-transform:uppercase}.myth-fact-head strong{padding:20px;font-size:17px;line-height:1.25}.myth-fact-body{display:grid;grid-template-columns:72px 1fr;border-top:1px solid var(--guide-line)}.myth-fact-body b{display:grid;place-items:center;background:#e8f7f0;color:#166534;font-size:10px;text-transform:uppercase}.myth-fact-body p{margin:0;padding:20px;color:var(--guide-muted);font-size:13px;line-height:1.65}.pat-class-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.pat-class{padding:28px;background:#fff;border:1px solid var(--guide-line);border-top:4px solid var(--guide-pat)}.pat-class-symbol{font-size:40px;font-weight:900;color:var(--guide-pat);min-height:58px;display:flex;align-items:center}.pat-class h3{font-size:21px;margin:10px 0}.pat-class p,.pat-class li{color:var(--guide-muted);font-size:13px;line-height:1.65}.pat-class ul{padding-left:18px}.pat-process{display:grid;grid-template-columns:repeat(8,1fr);border:1px solid rgba(255,255,255,.18);margin-top:30px}.pat-process div{min-height:150px;padding:20px 14px;border-right:1px solid rgba(255,255,255,.15);display:flex;flex-direction:column;justify-content:space-between}.pat-process div:last-child{border-right:0}.pat-process small{color:#8fd5ce;font-size:10px;font-weight:900}.pat-process b{font-size:11px;line-height:1.4;text-transform:uppercase}.pat-tripping{display:grid;grid-template-columns:1fr 90px 1fr 90px 1fr 90px 1.1fr;align-items:center;margin:30px 0}.pat-node{min-height:125px;padding:20px;display:grid;place-items:center;text-align:center;background:#fff;border:1px solid var(--guide-line);font-size:12px;font-weight:900;text-transform:uppercase}.pat-node--protect{background:var(--guide-navy);color:#fff}.pat-arrow{display:grid;place-items:center;color:var(--guide-pat);font-size:30px;font-weight:900}.pat-diagnosis{display:grid;grid-template-columns:1fr 1fr;gap:16px}.pat-diagnosis>div{padding:24px;background:#fff;border:1px solid var(--guide-line)}.pat-diagnosis b{display:block;font-size:18px;margin-bottom:8px}.pat-diagnosis p{margin:0;color:var(--guide-muted);font-size:13px;line-height:1.65}.pat-compare-table td:first-child,.pat-compare-table th:first-child{width:50%}.pat-passfail{display:grid;grid-template-columns:1fr 70px 1fr 70px 1fr 70px 1fr;align-items:center;margin-top:25px}.pat-passfail div{min-height:90px;padding:16px;border:1px solid var(--guide-line);background:#fff;display:grid;place-items:center;text-align:center;font-size:11px;font-weight:900;text-transform:uppercase}.pat-passfail span{display:grid;place-items:center;color:var(--guide-pat);font-size:24px}

/* shared SVG line icons */
.guide-svg-icon{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#e5f9ff;color:var(--guide-accent)}.guide-svg-icon svg{width:25px;height:25px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

@media(max-width:1000px){.advice-hub-grid{grid-template-columns:1fr 1fr}.alarm-brand-grid{grid-template-columns:1fr 1fr}.alarm-brand-card--preferred{grid-row:auto;grid-column:1/-1}.alarm-formula{grid-template-columns:repeat(3,1fr)}.pat-process{grid-template-columns:repeat(4,1fr)}.pat-process div:nth-child(4n){border-right:0}.pat-process div:nth-child(-n+4){border-bottom:1px solid rgba(255,255,255,.15)}.pat-tripping{grid-template-columns:1fr 55px 1fr 55px 1fr}.pat-tripping .pat-node--protect{grid-column:2/5;margin-top:15px}.pat-tripping .pat-arrow:nth-of-type(3){display:none}}
@media(max-width:700px){.advice-hub-grid,.advice-hub-note,.alarm-brand-grid,.myth-fact-grid,.pat-class-grid,.pat-diagnosis{grid-template-columns:1fr}.alarm-positioning{grid-template-columns:1fr}.alarm-positioning>div{border-right:0;border-bottom:1px solid var(--guide-line)}.alarm-positioning>div:last-child{border-bottom:0}.alarm-ecosystem{grid-template-columns:1fr 34px 1fr}.alarm-ecosystem div{min-height:88px}.alarm-formula{grid-template-columns:1fr 1fr}.pat-formula{grid-template-columns:1fr 1fr}.pat-risk-scale{grid-template-columns:1fr}.pat-risk-arrow{min-height:56px;transform:rotate(90deg)}.pat-process{grid-template-columns:1fr}.pat-process div{min-height:92px;border-right:0!important;border-bottom:1px solid rgba(255,255,255,.15)!important}.pat-process div:last-child{border-bottom:0!important}.pat-tripping{grid-template-columns:1fr}.pat-arrow{min-height:46px;transform:rotate(90deg)}.pat-tripping .pat-node--protect{grid-column:auto;margin-top:0}.pat-passfail{grid-template-columns:1fr}.pat-passfail span{min-height:42px;transform:rotate(90deg)}.myth-fact-head,.myth-fact-body{grid-template-columns:58px 1fr}}

/* EIC / Electrical Installation Certificate guide */
.eic-guide-page{--eic-gold:#f0a51a}.eic-guide-page .guide-hero:before{background:radial-gradient(circle,rgba(0,169,214,.24),transparent 64%)}
.eic-process{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid rgba(255,255,255,.18);margin-top:34px}.eic-process article{min-height:190px;padding:22px 17px;border-right:1px solid rgba(255,255,255,.15);display:flex;flex-direction:column}.eic-process article:last-child{border-right:0}.eic-process small{color:var(--guide-accent);font-weight:900;font-size:10px;margin-bottom:auto}.eic-process b{font-size:12px;text-transform:uppercase;letter-spacing:.05em;margin:34px 0 9px}.eic-process p{margin:0;color:#afbbcd;font-size:11px;line-height:1.55}.eic-notification-strip{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;border:1px solid rgba(255,255,255,.18);border-top:0;padding:18px 22px;color:#b9c5d5;font-size:11px}.eic-notification-strip b{color:#fff;text-transform:uppercase;letter-spacing:.05em}
.eic-wrong-right{display:grid;grid-template-columns:.8fr 1.2fr;gap:18px}.eic-wrong-right>div{background:#fff;border:1px solid var(--guide-line);padding:28px}.eic-wrong-right>div:first-child{border-top:4px solid #b32727}.eic-wrong-right>div:last-child{border-top:4px solid var(--guide-accent)}.eic-wrong-right small{color:var(--guide-muted);font-size:9px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.eic-wrong-right ol{margin:18px 0 0;padding-left:20px;color:var(--guide-muted);font-size:14px;line-height:1.9}
.eic-compare-dark{display:grid;grid-template-columns:1fr 1fr;border:1px solid rgba(255,255,255,.18);margin-top:30px}.eic-compare-dark>div{padding:30px;border-right:1px solid rgba(255,255,255,.18)}.eic-compare-dark>div:last-child{border-right:0}.eic-compare-dark span{display:inline-flex;padding:8px 10px;background:var(--guide-accent);color:#fff;font-size:10px;font-weight:900;letter-spacing:.1em}.eic-compare-dark h3{font-size:23px;margin:17px 0 10px}.eic-compare-dark p,.eic-compare-dark li{color:#bbc6d6;font-size:13px;line-height:1.65}.eic-compare-dark ul{padding-left:18px}.eic-compare-dark a{color:var(--guide-accent);font-size:11px;font-weight:900;text-transform:uppercase}
.eic-doc-compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:30px 0}.eic-doc-compare article{padding:30px;background:#fff;border:1px solid var(--guide-line);border-top:5px solid var(--guide-accent)}.eic-doc-compare article:last-child{border-top-color:var(--guide-navy)}.eic-doc-compare b{display:inline-grid;place-items:center;min-width:58px;height:42px;padding:0 10px;background:#e6f8fc;color:var(--guide-navy);font-size:15px}.eic-doc-compare h3{font-size:22px;margin:18px 0 10px}.eic-doc-compare p{color:var(--guide-muted);font-size:13px;line-height:1.7}.eic-doc-compare strong{display:block;margin-top:20px;padding-top:15px;border-top:1px solid var(--guide-line);color:var(--guide-navy);font-size:10px;text-transform:uppercase;letter-spacing:.08em}
.eic-action-flow{display:grid;grid-template-columns:1fr 48px 1fr 48px 1.2fr 48px 1fr 48px 1fr;align-items:center;margin:30px 0}.eic-action-flow span{min-height:86px;padding:15px;display:grid;place-items:center;text-align:center;background:#fff;border:1px solid var(--guide-line);font-size:11px;font-weight:900;text-transform:uppercase}.eic-action-flow b{display:grid;place-items:center;color:var(--guide-accent);font-size:22px}
@media(max-width:1000px){.eic-process{grid-template-columns:repeat(3,1fr)}.eic-process article:nth-child(3n){border-right:0}.eic-process article:nth-child(-n+3){border-bottom:1px solid rgba(255,255,255,.15)}.eic-action-flow{grid-template-columns:1fr 36px 1fr 36px 1fr}.eic-action-flow span:nth-of-type(4),.eic-action-flow span:nth-of-type(5){margin-top:12px}.eic-action-flow b:nth-of-type(3),.eic-action-flow b:nth-of-type(4){display:none}}
@media(max-width:700px){.eic-process,.eic-wrong-right,.eic-compare-dark,.eic-doc-compare{grid-template-columns:1fr}.eic-process article{min-height:110px;border-right:0!important;border-bottom:1px solid rgba(255,255,255,.15)!important}.eic-process article:last-child{border-bottom:0!important}.eic-process small{margin-bottom:18px}.eic-process b{margin:0 0 7px}.eic-notification-strip{grid-template-columns:1fr}.eic-compare-dark>div{border-right:0;border-bottom:1px solid rgba(255,255,255,.18)}.eic-compare-dark>div:last-child{border-bottom:0}.eic-action-flow{grid-template-columns:1fr}.eic-action-flow b{display:grid!important;min-height:38px;transform:rotate(90deg)}.eic-action-flow span:nth-of-type(4),.eic-action-flow span:nth-of-type(5){margin-top:0}}