/* GKC Electrics - Electrical Contractors, Bedfordshire
   Bespoke build · Space Grotesk · Electric lime green + charcoal + white
   Composition: bold modular blocks, diagonal accents, 4-tile services */

:root{
  --lime: #b8e02a;
  --lime-deep: #94b51d;
  --ink: #0e1116;
  --ink-2: #1a1f28;
  --ink-3: #2d3340;
  --ink-soft: #5b6473;
  --line: #e0e3e9;
  --paper: #ffffff;
  --bg: #f4f6f9;
  --txt: #d8dde6;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{ scroll-behavior:smooth; }
body{
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  font-size: 17px; line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; height:auto; display:block; }
a{ color: var(--ink); text-decoration: none; }
a:hover{ color: var(--lime-deep); }
.container{ width: min(1200px, 92vw); margin: 0 auto; }

/* HEADER */
.site-header{
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
  position: sticky; top: 0; z-index: 40;
}
.hd{ display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 22px; }
.bm{ display: flex; align-items: center; gap: 14px; color: var(--ink); text-decoration: none; }
.bm .ic{
  width: 46px; height: 46px;
  background: var(--ink); color: var(--lime);
  display: grid; place-items: center;
  font-weight: 700; font-size: .98rem;
  letter-spacing: -.01em;
}
.bm .nm{
  font-weight: 700;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--ink);
}
.bm .nm .sub{
  display: block;
  font-size: .65rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--lime-deep);
  margin-top: 4px;
}

.nv{ display: none; list-style: none; gap: 28px; align-items: center; }
@media (min-width: 880px){ .nv{ display: flex; } }
.nv a{
  color: var(--ink); font-size: .9rem; font-weight: 600;
  letter-spacing: .02em;
  position: relative; padding: 6px 0;
}
.nv a:hover, .nv a[aria-current="page"]{ color: var(--lime-deep); }
.nv a::after{
  content: ''; position: absolute; left: 0; bottom: -3px;
  width: 0; height: 3px; background: var(--lime);
  transition: width .22s ease;
}
.nv a:hover::after, .nv a[aria-current="page"]::after{ width: 100%; }

.hdr-call{
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--lime); color: var(--ink);
  padding: 11px 20px;
  font-weight: 700; font-size: .9rem;
  letter-spacing: .02em;
}
.hdr-call:hover{ background: var(--lime-deep); color: var(--ink); }
.hdr-call svg{ width: 14px; height: 14px; }

.menu-btn{ display: inline-flex; flex-direction: column; gap: 5px; background: transparent; border: 0; padding: 8px; cursor: pointer; }
@media (min-width: 880px){ .menu-btn{ display:none; } }
.menu-btn span{ width: 24px; height: 2px; background: var(--ink); }
.mn{ display: none; background: var(--paper); border-bottom: 1px solid var(--line); }
.mn.open{ display: block; }
.mn ul{ list-style: none; padding: 8px 24px 24px; }
.mn li{ border-bottom: 1px solid var(--line); }
.mn a{ display: block; padding: 14px 0; color: var(--ink); font-weight: 600; }

/* HERO - bold modular block */
.hero{
  background: var(--ink);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::before{
  content: '';
  position: absolute;
  bottom: -50px; right: -50px;
  width: 380px; height: 380px;
  background: var(--lime);
  opacity: .08;
  transform: rotate(45deg);
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px; align-items: center;
  padding: 96px 0 100px;
  position: relative; z-index: 1;
}
@media (max-width: 880px){
  .hero-grid{ grid-template-columns: 1fr; gap: 40px; padding: 64px 0; }
}
.hero-eyebrow{
  display: inline-block;
  font-size: .76rem; font-weight: 600;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--lime);
  background: rgba(184,224,42,.08);
  padding: 8px 14px;
  border-left: 3px solid var(--lime);
  margin-bottom: 26px;
}
.hero h1{
  font-weight: 700;
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  line-height: 1.04; letter-spacing: -.025em;
  color: #fff;
  margin-bottom: 22px;
}
.hero h1 .ac{ color: var(--lime); }
.hero p.lede{
  font-size: clamp(1.04rem, 1.65vw, 1.18rem);
  line-height: 1.55;
  color: rgba(255,255,255,.78);
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-act{ display: flex; gap: 14px; flex-wrap: wrap; }
.btn{
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px;
  font-size: .9rem; font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer; border: 0;
  transition: transform .15s ease, background .2s ease, color .2s ease;
}
.btn-lime{ background: var(--lime); color: var(--ink); }
.btn-lime:hover{ background: #fff; color: var(--ink); transform: translateY(-1px); }
.btn-outline{
  background: transparent; color: #fff;
  border: 2px solid rgba(255,255,255,.3);
}
.btn-outline:hover{ border-color: var(--lime); color: var(--lime); }
.btn-dark{ background: var(--ink); color: #fff; }
.btn-dark:hover{ background: #000; }
.btn-light{ background: #fff; color: var(--ink); }
.btn-light:hover{ background: var(--bg); }

/* Hero stat box */
.hero-stat-box{
  background: var(--lime);
  color: var(--ink);
  padding: 32px 28px;
  position: relative;
}
.hero-stat-box::before{
  content: '';
  position: absolute; top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--ink);
}
.hero-stat-box h3{
  font-size: .8rem; font-weight: 700;
  letter-spacing: .22em; text-transform: uppercase;
  margin-bottom: 22px;
}
.hero-stat-box .stat{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px; align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(15,17,22,.15);
}
.hero-stat-box .stat:last-child{ border-bottom: 0; }
.hero-stat-box .stat .n{
  font-size: 1.8rem; font-weight: 700;
  line-height: 1; letter-spacing: -.02em;
}
.hero-stat-box .stat .l{
  font-size: .85rem; font-weight: 500;
  line-height: 1.3;
}

/* Accreditation strip */
.cred-strip{
  background: var(--paper);
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.cred-row{
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 36px;
}
.cred-label{
  font-size: .72rem; font-weight: 700;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-soft);
  margin-right: 12px;
}
.cred-row img{
  max-height: 56px; width: auto;
  filter: grayscale(.2);
  opacity: .85;
}
.cred-row img:hover{ filter: none; opacity: 1; }

/* SECTIONS */
section{ padding: 96px 0; }
@media (max-width: 720px){ section{ padding: 64px 0; } }

.section-head{ max-width: 720px; margin-bottom: 56px; }
.section-head.center{ text-align: center; margin: 0 auto 56px; }
.section-head .eyebrow{
  display: inline-block;
  font-size: .74rem; letter-spacing: .26em; text-transform: uppercase;
  color: var(--lime-deep); font-weight: 700;
  margin-bottom: 14px;
}
.section-head h2{
  font-weight: 700;
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  line-height: 1.06; letter-spacing: -.025em;
  color: var(--ink);
  margin-bottom: 18px;
}
.section-head h2 .ac{ color: var(--lime-deep); }
.section-head h2 .hl{ background: var(--lime); padding: 0 6px; color: var(--ink); }
.section-head p.kicker{ color: var(--ink-soft); font-size: 1.04rem; max-width: 600px; line-height: 1.6; }
.section-head.center p.kicker{ margin: 0 auto; }

/* Services tiles - mirrors the 4-image source layout */
.services{ background: var(--bg); }
.svc-tiles{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 880px){ .svc-tiles{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px){ .svc-tiles{ grid-template-columns: 1fr; } }
.svc-tile{
  background: var(--paper);
  text-decoration: none;
  color: var(--ink);
  border: 2px solid var(--ink);
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex; flex-direction: column;
}
.svc-tile:hover{ transform: translateY(-4px); box-shadow: 8px 8px 0 var(--lime); color: var(--ink); }
.svc-tile .pic{
  aspect-ratio: 5/4;
  background-size: cover; background-position: center;
  border-bottom: 2px solid var(--ink);
}
.svc-tile .body{
  padding: 20px 22px 24px;
  flex: 1; display: flex; flex-direction: column;
}
.svc-tile .label{
  display: inline-block;
  background: var(--lime); color: var(--ink);
  padding: 4px 10px;
  font-size: .66rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  margin-bottom: 12px;
  align-self: flex-start;
}
.svc-tile h3{
  font-size: 1.2rem; font-weight: 700;
  letter-spacing: -.01em;
  margin-bottom: 6px;
}
.svc-tile p{ color: var(--ink-soft); font-size: .9rem; line-height: 1.5; }

/* Two-column services detailed */
.svc-detail{ background: var(--paper); padding: 64px 0 96px; }
.svc-detail-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
@media (max-width: 720px){ .svc-detail-grid{ grid-template-columns: 1fr; } }
.svc-block h3{
  font-weight: 700;
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  margin-bottom: 18px;
  color: var(--ink);
  padding-left: 18px;
  border-left: 4px solid var(--lime);
}
.svc-block ul{ list-style: none; }
.svc-block li{
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid var(--line);
  position: relative;
  color: var(--ink-2);
  font-weight: 500;
}
.svc-block li::before{
  content: '';
  position: absolute; left: 0; top: 16px;
  width: 14px; height: 14px;
  background: var(--lime);
  clip-path: polygon(0% 0%, 100% 50%, 0% 100%);
}

/* About / sister company */
.split{ background: var(--ink); color: #fff; padding: 80px 0; }
.split-grid{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px; align-items: center;
}
@media (max-width: 880px){ .split-grid{ grid-template-columns: 1fr; gap: 36px; } }
.split-grid h3{
  font-weight: 700;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  margin-bottom: 16px;
  letter-spacing: -.015em;
  color: #fff;
}
.split-grid h3 .ac{ color: var(--lime); }
.split-grid p{ color: rgba(255,255,255,.78); margin-bottom: 14px; }
.split-grid .sister{
  background: rgba(184,224,42,.08);
  border-left: 3px solid var(--lime);
  padding: 20px 24px;
}
.split-grid .sister strong{ display: block; color: var(--lime); margin-bottom: 4px; font-size: 1.1rem; }
.split-grid .sister p{ font-size: .92rem; color: rgba(255,255,255,.7); margin-bottom: 0; }

/* Testimonials */
.reviews{ background: var(--bg); }
.review-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 880px){ .review-grid{ grid-template-columns: 1fr; } }
.review-card{
  background: var(--paper);
  padding: 32px 28px;
  border: 2px solid var(--ink);
  border-top: 8px solid var(--lime);
}
.review-card blockquote{
  font-size: 1rem; line-height: 1.65;
  color: var(--ink-2);
  margin-bottom: 22px;
  font-weight: 500;
}
.review-card cite{
  font-style: normal;
  font-size: .78rem;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--lime-deep); font-weight: 700;
}
.review-card cite span{ display: block; color: var(--ink-soft); font-weight: 500; letter-spacing: .1em; margin-top: 4px; font-size: .72rem; }

/* CTA */
.cta-band{
  background: var(--lime);
  color: var(--ink);
  padding: 88px 0;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::before{
  content: '';
  position: absolute;
  top: -100px; left: -100px;
  width: 320px; height: 320px;
  background: var(--ink);
  opacity: .05;
  transform: rotate(45deg);
}
.cta-band h2{
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.08; letter-spacing: -.025em;
  margin-bottom: 18px;
  position: relative; z-index: 1;
}
.cta-band h2 .ac{
  background: var(--ink); color: var(--lime);
  padding: 0 8px;
}
.cta-band p{
  max-width: 540px; margin: 0 auto 32px;
  color: rgba(15,17,22,.78); font-size: 1.04rem;
  position: relative; z-index: 1;
}
.cta-band .btns{
  display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: center;
  position: relative; z-index: 1;
}

/* Contact */
.contact{ background: var(--paper); }
.c-grid{
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px; align-items: start;
}
@media (max-width: 880px){ .c-grid{ grid-template-columns: 1fr; gap: 40px; } }
.c-form{
  background: var(--bg);
  padding: 40px 36px;
  border-top: 6px solid var(--lime);
  border-left: 2px solid var(--ink);
}
.c-form .row{ display: grid; gap: 16px; margin-bottom: 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 600px){ .c-form .row{ grid-template-columns: 1fr; } }
.c-form label{
  display: block;
  font-size: .72rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink); font-weight: 700;
  margin-bottom: 6px;
}
.c-form input, .c-form select, .c-form textarea{
  width: 100%; padding: 12px 14px;
  border: 2px solid var(--line);
  background: var(--paper);
  font-family: inherit; font-size: 1rem; color: var(--ink);
  border-radius: 0;
}
.c-form input:focus, .c-form select:focus, .c-form textarea:focus{
  outline: 2px solid var(--lime); outline-offset: -2px; border-color: var(--lime);
}
.c-form textarea{ min-height: 130px; resize: vertical; }
.c-form button{ width: 100%; margin-top: 12px; }
.c-form .promise{ margin-top: 14px; font-size: .8rem; color: var(--ink-soft); }
.c-info h3{
  font-size: 1.6rem; font-weight: 700;
  margin-bottom: 22px;
  letter-spacing: -.015em;
}
.c-info dl{ display: grid; grid-template-columns: 110px 1fr; row-gap: 16px; align-items: baseline; }
.c-info dt{
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--lime-deep); font-weight: 700;
}
.c-info dd a{ color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.c-info dd a:hover{ color: var(--lime-deep); }
.c-map{ margin-top: 28px; border: 2px solid var(--ink); }
.c-map iframe{ width: 100%; border: 0; display: block; }

/* Footer */
.site-footer{
  background: var(--ink);
  color: rgba(255,255,255,.7);
  padding: 64px 0 24px;
  border-top: 6px solid var(--lime);
}
.fg{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}
@media (max-width: 720px){ .fg{ grid-template-columns: 1fr 1fr; gap: 28px; } }
.fg h4{
  font-size: .82rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 16px;
}
.fg ul{ list-style: none; }
.fg li{ margin-bottom: 8px; font-size: .92rem; }
.fg a{ color: rgba(255,255,255,.72); }
.fg a:hover{ color: #fff; }
.foot-brand{
  font-size: 1.4rem; font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -.015em;
}
.foot-brand .sub{
  display: block;
  font-size: .68rem; font-weight: 700;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--lime);
  margin-top: 6px;
}
.foot-bottom{
  margin-top: 48px; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px;
  font-size: .78rem; color: rgba(255,255,255,.45);
}

/* Page hero */
.page-hero{
  background: var(--ink);
  color: #fff;
  padding: 88px 0 60px;
  border-bottom: 6px solid var(--lime);
}
.page-hero h1{
  font-weight: 700;
  font-size: clamp(2.2rem, 4.6vw, 3.4rem);
  line-height: 1.06; letter-spacing: -.025em;
  margin-bottom: 16px;
}
.page-hero h1 .ac{ color: var(--lime); }
.page-hero p{ color: rgba(255,255,255,.78); max-width: 560px; font-size: 1.04rem; }
.page-hero .crumbs{
  font-size: .72rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--lime); margin-bottom: 22px;
}
.page-hero .crumbs a{ color: var(--lime); }

.sub-body{ background: var(--paper); padding: 80px 0; }
.sub-narrow{ max-width: 800px; margin: 0 auto; }
.sub-narrow p{ font-size: 1.05rem; color: var(--ink-2); margin-bottom: 18px; line-height: 1.65; }
.sub-narrow h2{
  font-weight: 700; font-size: clamp(1.5rem, 2.8vw, 2rem);
  margin: 32px 0 16px; letter-spacing: -.015em;
}

.sticky-call{
  position: fixed; bottom: 14px; left: 14px; right: 14px;
  background: var(--lime); color: var(--ink);
  padding: 13px 18px;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; font-size: .94rem;
  letter-spacing: .02em;
  z-index: 50; text-decoration: none;
  box-shadow: 0 14px 28px rgba(15,17,22,.3);
}
.sticky-call:hover{ color: var(--ink); }
@media (min-width:900px){ .sticky-call{ display:none; } }