/* ==========================================================================
   Electrical Services Swindon — Design tokens
   ========================================================================== */
:root{
  --ink:      #0D1B2A;
  --slate:    #16283C;
  --slate-2:  #1E3550;
  --volt:     #F5D033;
  --volt-2:   #FFE374;
  --amber:    #F2A93B;
  --copper:   #B87333;
  --white:    #FAFAF8;
  --paper:    #F2F1EC;
  --muted:    #5B6472;
  --muted-2:  #8993A0;
  --line:     rgba(245,208,51,0.25);

  --display: 'Space Grotesk', Arial, sans-serif;
  --sans:    'Inter', Arial, sans-serif;
  --mono:    'JetBrains Mono', 'Courier New', monospace;

  --container: 1180px;
  --radius: 3px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0; background: var(--white); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--display); margin:0; font-weight:600; letter-spacing:-0.01em; }
p{ margin:0; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}
:focus-visible{ outline: 2px solid var(--volt); outline-offset: 3px; }

.wrap{ max-width: var(--container); margin: 0 auto; padding: 0 28px; }

.eyebrow{
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--amber);
}

/* ==========================================================================
   Circuit-trace divider — signature motif
   ========================================================================== */
.circuit-divider{ width:100%; height:48px; display:block; }
.circuit-divider path{ fill:none; stroke: var(--line); stroke-width:1.2; }
.circuit-divider path.accent{ stroke: var(--volt); stroke-width:1.4; }
.circuit-divider circle{ fill: var(--volt); }

/* ==========================================================================
   Header — no phone number here by design
   ========================================================================== */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(13,27,42,0.97);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(245,208,51,0.18);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; height:82px; }
.logo{ display:flex; align-items:center; gap:12px; color: var(--white); }
.logo svg{ width:38px; height:38px; flex-shrink:0; }
.logo-text{ display:flex; flex-direction:column; line-height:1.1; }
.logo-text strong{ font-family: var(--display); font-size:18px; letter-spacing:-0.01em; color: var(--white); }
.logo-text span{ font-family: var(--mono); font-size:10px; letter-spacing:0.1em; text-transform:uppercase; color: var(--volt); }

.main-nav{ display:flex; align-items:center; gap:20px; }
.main-nav a{
  font-family: var(--mono); font-size:11px; letter-spacing:0.04em; text-transform:uppercase;
  color: #C3CAD4; position:relative; padding:6px 0; white-space:nowrap;
}
.main-nav a:hover, .main-nav a[aria-current="page"]{ color: var(--volt); }
.main-nav a[aria-current="page"]::after{ content:''; position:absolute; left:0; right:0; bottom:0; height:1px; background:var(--amber); }

.header-actions{ display:flex; align-items:center; gap:14px; }
.quote-btn{
  display:flex; align-items:center; gap:8px;
  background: var(--volt); color: var(--ink);
  font-family: var(--mono); font-size:12.5px; letter-spacing:0.03em; text-transform:uppercase;
  padding:10px 18px; border-radius: var(--radius); font-weight:600;
  transition: background 0.2s ease;
}
.quote-btn:hover{ background: var(--volt-2); }

.nav-toggle{
  display:none; background:none; border:1px solid rgba(245,208,51,0.3);
  width:42px; height:42px; align-items:center; justify-content:center; color: var(--white);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{ position:relative; background: var(--ink); color: var(--white); padding: 92px 0 80px; overflow:hidden; }
.hero .wrap{ position:relative; z-index:1; }
.hero-grid{ display:grid; grid-template-columns: 1.15fr 0.85fr; gap:56px; align-items:end; }
.hero h1{ font-size: clamp(2.1rem, 4vw, 3.1rem); line-height:1.1; color: var(--white); margin: 18px 0 22px; max-width: 19ch; }
.hero h1 span{ color: var(--volt); }
.hero p.lede{ font-size:1.06rem; color: #C3CAD4; max-width: 50ch; margin-bottom:32px; font-family:var(--sans); }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:9px; padding:14px 24px;
  font-family: var(--mono); font-size:13px; letter-spacing:0.03em; text-transform:uppercase;
  border-radius: var(--radius); border:1px solid transparent; transition: all 0.2s ease; font-weight:600;
}
.btn-volt{ background: var(--volt); color: var(--ink); }
.btn-volt:hover{ background: var(--volt-2); }
.btn-outline{ border-color: rgba(245,208,51,0.4); color: var(--white); }
.btn-outline:hover{ border-color: var(--volt); color:var(--volt); }

.hero-panel{ border:1px solid rgba(245,208,51,0.3); padding:26px; background: rgba(255,255,255,0.02); }
.hero-panel .eyebrow{ margin-bottom:14px; }
.hero-stat{ display:flex; justify-content:space-between; padding:12px 0; border-bottom:1px solid rgba(245,208,51,0.16); font-size:14px; }
.hero-stat:last-child{ border-bottom:none; }
.hero-stat b{ font-family:var(--display); font-weight:600; color:var(--volt); }

/* ==========================================================================
   Section framing
   ========================================================================== */
section{ padding: 76px 0; }
.section-ink{ background: var(--ink); color: var(--white); }
.section-slate{ background: var(--slate); color: var(--white); }
.section-head{ max-width: 660px; margin-bottom: 44px; }
.section-head h2{ font-size: clamp(1.7rem, 2.9vw, 2.3rem); margin-top:12px; color: inherit; }
.section-head p{ margin-top:16px; color: var(--muted); font-size:1.02rem; font-family:var(--sans); }
.section-ink .section-head p, .section-slate .section-head p{ color: #A7AFBB; }

.lead-copy{ display:grid; grid-template-columns: repeat(2, 1fr); gap:40px; font-size:1.02rem; color: var(--muted); }
.lead-copy p + p{ margin-top:14px; }

/* ==========================================================================
   Services grid — electrical-symbol icons
   ========================================================================== */
.services-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:1px; background: var(--line); border:1px solid var(--line); }
.service-card{ background: var(--ink); padding: 30px 26px; color: var(--white); }
.service-card .symbol-icon{ width:40px; height:40px; margin-bottom:16px; }
.service-card .symbol-icon path, .service-card .symbol-icon circle, .service-card .symbol-icon rect, .service-card .symbol-icon line{ fill:none; stroke: var(--volt); stroke-width:1.5; }
.service-label{ font-family: var(--mono); font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color: var(--amber); display:block; margin-bottom:8px; }
.service-card h3{ font-size:1.2rem; margin-bottom:10px; color: var(--white); }
.service-card p{ color: #A7AFBB; font-size:0.96rem; margin-bottom:14px; font-family:var(--sans); }
.service-card .card-link{ font-family: var(--mono); font-size:12px; letter-spacing:0.03em; text-transform:uppercase; color: var(--volt); border-bottom:1px solid rgba(245,208,51,0.4); padding-bottom:2px; }
.service-card .card-link:hover{ color: var(--volt-2); border-color: var(--volt-2); }

/* ==========================================================================
   USP strip
   ========================================================================== */
.usp-row{ display:grid; grid-template-columns: repeat(4, 1fr); gap:1px; background: rgba(245,208,51,0.15); border: 1px solid rgba(245,208,51,0.15); }
.usp-item{ background: var(--white); padding: 28px 24px; }
.usp-item .eyebrow{ display:block; margin-bottom:12px; }
.usp-item h4{ font-size:1rem; margin-bottom:8px; color:var(--ink); }
.usp-item p{ font-size:0.92rem; color: var(--muted); font-family:var(--sans); }

/* ==========================================================================
   Process steps
   ========================================================================== */
.process-list{ display:grid; grid-template-columns: repeat(4, 1fr); gap:28px; }
.process-step{ position:relative; padding-top:20px; border-top:1px solid var(--line); }
.process-step .step-no{ font-family:var(--mono); font-size:13px; color: var(--amber); display:block; margin-bottom:10px; }
.process-step h4{ font-size:1.02rem; margin-bottom:8px; }
.process-step p{ color: var(--muted); font-size:0.94rem; font-family:var(--sans); }
.section-ink .process-step p, .section-slate .process-step p{ color:#A7AFBB; }

/* ==========================================================================
   Coverage list
   ========================================================================== */
.area-list{ display:flex; flex-wrap:wrap; gap:10px 14px; }
.area-list li{ font-family: var(--mono); font-size:13px; color: var(--muted); padding:7px 14px; border:1px solid var(--line); }

/* ==========================================================================
   FAQ accordion
   ========================================================================== */
.faq-list{ border-top:1px solid var(--line); }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:20px;
  background:none; border:none; text-align:left; padding: 22px 4px;
  font-family: var(--display); font-size:1.04rem; font-weight:600; color: var(--ink); cursor:pointer;
}
.section-ink .faq-q, .section-slate .faq-q{ color: var(--white); }
.faq-q .plus{ font-family: var(--mono); color: var(--amber); font-size:20px; flex-shrink:0; transition: transform 0.2s ease; }
.faq-item[aria-expanded="true"] .plus{ transform: rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height 0.28s ease; }
.faq-a-inner{ padding: 0 4px 24px; color: var(--muted); max-width:70ch; font-family:var(--sans); }
.section-ink .faq-a-inner, .section-slate .faq-a-inner{ color: #A7AFBB; }

/* ==========================================================================
   Standards / specs strip
   ========================================================================== */
.standards-row{ display:flex; flex-wrap:wrap; gap:12px; }
.standard-chip{ font-family: var(--mono); font-size:12px; letter-spacing:0.02em; border:1px solid var(--line); padding:9px 14px; color: var(--muted); }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band{ background: var(--volt); color: var(--ink); padding: 52px 0; }
.cta-band .wrap{ display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; }
.cta-band h2{ font-size: clamp(1.4rem, 2.4vw, 1.9rem); color: var(--ink); max-width:26ch; }
.cta-band .btn-outline{ border-color: var(--ink); color: var(--ink); }
.cta-band .btn-outline:hover{ background: var(--ink); color: var(--volt); }
.cta-actions{ display:flex; gap:14px; flex-wrap:wrap; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background: var(--ink); color: #A7AFBB; padding: 54px 0 26px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap:40px; padding-bottom:32px; border-bottom:1px solid rgba(245,208,51,0.16); }
.footer-brand .logo-text strong{ color: var(--white); }
.footer-brand p{ margin-top:14px; color: var(--muted-2); font-size:0.92rem; max-width:36ch; font-family:var(--sans); }
.footer-col h5{ font-family: var(--mono); font-size:12px; letter-spacing:0.1em; text-transform:uppercase; color: var(--amber); margin-bottom:16px; }
.footer-col li{ margin-bottom:10px; font-size:0.94rem; color: #A7AFBB; font-family:var(--sans); }
.footer-col a:hover{ color: var(--volt); }
.footer-bottom{ display:flex; justify-content:space-between; padding-top:20px; font-size:12px; color: var(--muted-2); font-family: var(--mono); flex-wrap:wrap; gap:10px; }

/* ==========================================================================
   Inner-page hero
   ========================================================================== */
.page-hero{ background: var(--ink); color: var(--white); padding: 58px 0 50px; position:relative; overflow:hidden; }
.page-hero h1{ color:var(--white); font-size: clamp(1.8rem, 3.6vw, 2.5rem); margin-top:14px; max-width:26ch; }
.page-hero p{ color: #A7AFBB; max-width:58ch; margin-top:16px; font-family:var(--sans); }

.values-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:1px; background: var(--line); border:1px solid var(--line); }
.value-card{ background: var(--white); padding:26px; }
.value-card h3{ font-size:1.06rem; margin-bottom:8px; }
.value-card p{ color: var(--muted); font-size:0.94rem; font-family:var(--sans); }

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-layout{ display:grid; grid-template-columns: 1fr; gap:56px; max-width:640px; margin:0 auto; }
.contact-detail{ display:flex; gap:16px; padding: 18px 0; border-bottom:1px solid var(--line); }
.contact-detail:first-child{ border-top:1px solid var(--line); }
.contact-detail svg{ width:20px; height:20px; color: var(--amber); flex-shrink:0; margin-top:2px; }
.contact-detail h4{ font-family:var(--mono); font-size:12px; letter-spacing:0.1em; text-transform:uppercase; color: var(--amber); margin-bottom:6px; }
.contact-detail p, .contact-detail a{ font-size:1rem; color: var(--ink); font-family:var(--sans); }
.contact-detail a:hover{ color: var(--copper); }
.map-frame{ border:1px solid var(--line); height:260px; margin-top:28px; filter: grayscale(0.2) contrast(1.03); }
.map-frame iframe{ width:100%; height:100%; border:0; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns:1fr; }
  .lead-copy{ grid-template-columns:1fr; }
  .services-grid{ grid-template-columns:1fr 1fr; }
  .usp-row{ grid-template-columns:1fr 1fr; }
  .process-list{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .values-grid{ grid-template-columns:1fr; }
}
@media (max-width: 760px){
  .main-nav{
    position:fixed; inset: 82px 0 0 0; background: var(--ink);
    flex-direction:column; align-items:flex-start; padding: 32px 28px; gap:22px;
    transform: translateX(100%); transition: transform 0.25s ease;
  }
  .main-nav.open{ transform: translateX(0); }
  .nav-toggle{ display:flex; }
  .services-grid{ grid-template-columns:1fr; }
  .usp-row{ grid-template-columns:1fr; }
  .process-list{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
  .footer-bottom{ flex-direction:column; }
}