/* ===========================================================
   Combined Business Energy — Design System
   Palette adapted from combinedbusinessservices.co.uk
   =========================================================== */
:root{
  --navy-900:#07152f; --navy-800:#0d2348; --navy-700:#143465;
  --ink-900:#13254d; --ink-700:#2f4875; --ink-500:#5b7198;
  --paper:#f4f7fd; --white:#ffffff; --line:#d8e2f5;
  --brand:#58d9ff; --brand-2:#7e9cff; --ok:#0e8a63;
  --grad:linear-gradient(90deg,var(--brand-2),var(--brand));
  --grad-soft:linear-gradient(135deg,#7e9cff22,#58d9ff22);
  --max:1180px; --radius:16px;
  --shadow:0 18px 44px rgba(8,20,52,.12);
  --shadow-lg:0 30px 70px rgba(6,16,44,.30);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--paper);color:var(--ink-900);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),100% - 2.4rem);margin-inline:auto}
h1,h2,h3{font-family:"Playfair Display",Georgia,serif;line-height:1.18;letter-spacing:.005em}
h1{font-size:clamp(2.3rem,5vw,4.1rem)}
h2{font-size:clamp(1.8rem,3vw,2.7rem);margin-bottom:.55rem}
h3{font-size:1.22rem}
p{color:var(--ink-700)}
.eyebrow{
  text-transform:uppercase;letter-spacing:.22em;font-weight:800;
  font-size:.76rem;color:var(--brand);
  font-family:Inter,sans-serif;
}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.section{padding:5rem 0;position:relative}
.section-tight{padding:3.4rem 0}
.center{text-align:center}
.lead{font-size:1.12rem;color:var(--ink-700);max-width:62ch}
.hero .lead{color:#d8e3ff}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--grad);color:#041024;
  padding:.85rem 1.5rem;border-radius:999px;font-weight:800;
  border:none;cursor:pointer;font-size:1rem;font-family:inherit;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
  box-shadow:0 12px 28px rgba(88,217,255,.32);
}
.btn:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(88,217,255,.45);filter:brightness(1.05)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.4);box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.1);box-shadow:none}
.btn-dark{background:var(--navy-800);color:#fff;box-shadow:0 12px 28px rgba(13,35,72,.3)}
.btn-dark:hover{box-shadow:0 18px 36px rgba(13,35,72,.4)}
.btn-sm{padding:.55rem 1.1rem;font-size:.92rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,21,47,.85);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.1);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 0}
.brand{display:flex;align-items:center;gap:.7rem}
.logo-box{
  width:48px;height:48px;border-radius:13px;display:block;
  box-shadow:0 8px 20px rgba(88,217,255,.32);
}
.brand-name{color:#fff;font-weight:800;font-size:1.05rem;line-height:1.1}
.brand-sub{color:#9fb4dd;font-size:.7rem;font-weight:600;letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:1.7rem}
.nav-links a{color:#dce6ff;font-weight:600;font-size:.95rem;position:relative;padding:.2rem 0}
.nav-links a:not(.btn)::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;
  background:var(--grad);transition:width .25s ease;
}
.nav-links a:not(.btn):hover{color:#fff}
.nav-links a:not(.btn):hover::after,.nav-links a.active::after{width:100%}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.4rem}
.nav-toggle span{display:block;width:25px;height:2.5px;background:#fff;margin:5px 0;border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(circle at 12% 18%,rgba(88,217,255,.16),transparent 42%),
    radial-gradient(circle at 88% 75%,rgba(126,156,255,.20),transparent 45%),
    linear-gradient(160deg,var(--navy-900),var(--navy-800) 55%,var(--navy-700));
  color:#fff;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:54px 54px;mask:radial-gradient(circle at 50% 40%,#000,transparent 75%);
}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.5;pointer-events:none}
.blob-1{width:380px;height:380px;background:#58d9ff55;top:-120px;right:-80px;animation:float 12s ease-in-out infinite}
.blob-2{width:300px;height:300px;background:#7e9cff55;bottom:-120px;left:-60px;animation:float 15s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-34px) scale(1.07)}}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:3.5rem;
  align-items:center;padding:5.5rem 0 5rem;position:relative;z-index:2;
}
.hero h1{margin:1rem 0;max-width:16ch}
.hero .cta-row{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:2rem}
.pill{
  display:inline-flex;align-items:center;gap:.55rem;
  background:rgba(88,217,255,.14);border:1px solid rgba(88,217,255,.4);
  color:#bfeaff;padding:.5rem 1rem;border-radius:999px;
  font-weight:700;font-size:.85rem;
}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 0 rgba(88,217,255,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(88,217,255,0)}100%{box-shadow:0 0 0 0 rgba(88,217,255,0)}}

/* Hero quote card */
.quote-card{
  background:rgba(255,255,255,.97);color:var(--ink-900);
  border-radius:24px;padding:2rem;box-shadow:var(--shadow-lg);
  position:relative;z-index:2;
}
.quote-card h3{font-family:Inter,sans-serif;font-weight:800;font-size:1.15rem;margin-bottom:.3rem}
.qc-field{margin-bottom:.9rem}
.qc-field label{display:block;font-size:.82rem;font-weight:700;color:var(--ink-700);margin-bottom:.3rem}
.qc-field input,.qc-field select{
  width:100%;padding:.8rem .9rem;border:1.5px solid var(--line);
  border-radius:11px;font:inherit;color:var(--ink-900);background:#fff;transition:.18s;
}
.qc-field input:focus,.qc-field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(88,217,255,.25)}
.qc-row{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}

/* ---------- Stats strip ---------- */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem;
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);
  margin-top:-3.5rem;position:relative;z-index:5;
}
.stat{text-align:center}
.stat .num{font-family:"Playfair Display",serif;font-size:2.4rem;font-weight:700;color:var(--ink-900)}
.stat .num span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .label{font-size:.9rem;color:var(--ink-500);font-weight:600}

/* ---------- Cards / services ---------- */
.grid{display:grid;gap:1.3rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg)}
.card:hover::before{transform:scaleX(1)}
.card .ico{
  width:54px;height:54px;border-radius:14px;background:var(--grad-soft);
  display:grid;place-items:center;font-size:1.6rem;margin-bottom:1rem;
  border:1px solid var(--line);
}
.card .ico img{width:32px;height:32px;display:block;object-fit:contain}
.card h3{margin-bottom:.45rem}
.card p{font-size:.96rem}
.card-link{margin-top:1rem;display:inline-flex;align-items:center;gap:.4rem;color:var(--brand-2);font-weight:800;font-size:.92rem}
.card:hover .card-link{gap:.7rem}

/* ---------- Section header ---------- */
.sec-head{max-width:60ch;margin:0 auto 3rem;text-align:center}
.sec-head p{margin-top:.6rem}

/* ---------- Supplier marquee ---------- */
.suppliers{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:2.6rem 0;overflow:hidden}
.suppliers .label{text-align:center;font-size:.78rem;font-weight:800;letter-spacing:.25em;color:var(--ink-500);margin-bottom:1.6rem}
.marquee{display:flex;gap:2.2rem;width:max-content;animation:scroll 26s linear infinite}
.suppliers:hover .marquee{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.supplier-logo{
  height:54px;width:170px;background:#fff;border:1px solid var(--line);
  border-radius:13px;display:grid;place-items:center;padding:.6rem 1rem;
  filter:grayscale(1);opacity:.65;transition:.25s;
}
.supplier-logo img{max-height:36px;width:auto}
.supplier-logo:hover{filter:grayscale(0);opacity:1;transform:scale(1.05)}
.green-row{display:flex;justify-content:center;gap:1.1rem;flex-wrap:wrap;margin-top:1rem}
.green-row .supplier-logo{filter:none;opacity:1}
.green-row .supplier-logo:hover{transform:translateY(-2px)}

/* ---------- Steps ---------- */
.steps{counter-reset:step;display:grid;gap:1.3rem}
.step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem 2rem 2rem 4.6rem;position:relative;box-shadow:var(--shadow);
}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:1.5rem;top:1.8rem;
  width:42px;height:42px;border-radius:12px;background:var(--grad);
  color:#041024;font-family:"Playfair Display",serif;font-weight:700;
  font-size:1.3rem;display:grid;place-items:center;
}

/* ---------- FAQ ---------- */
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:13px;margin-bottom:.9rem;overflow:hidden}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:1.2rem 1.5rem;font:inherit;font-weight:700;color:var(--ink-900);
  font-size:1.02rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq-q .chev{transition:transform .25s ease;color:var(--brand-2);font-size:1.3rem;flex-shrink:0}
.faq-item.open .faq-q .chev{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 1.5rem 1.3rem}

/* ---------- Reviews ---------- */
.rating-hero{display:flex;align-items:center;justify-content:center;gap:2.5rem;flex-wrap:wrap;margin-bottom:3rem}
.rating-big{text-align:center}
.rating-big .score{font-family:"Playfair Display",serif;font-size:4rem;font-weight:700;line-height:1}
.stars{color:#ffb13c;font-size:1.4rem;letter-spacing:.1em}
.review-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.9rem}
.review-card .stars{font-size:1.1rem}
.review-card blockquote{font-size:1.02rem;color:var(--ink-900);font-style:italic;line-height:1.6}
.reviewer{display:flex;align-items:center;gap:.8rem;margin-top:auto}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#041024;display:grid;place-items:center;font-weight:800}
.reviewer .who{font-weight:700;font-size:.95rem}
.reviewer .role{font-size:.83rem;color:var(--ink-500)}

/* ---------- Forms (Register) ---------- */
.form-wrap{background:var(--white);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lg);padding:2.6rem;max-width:760px;margin:0 auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field{display:flex;flex-direction:column;gap:.4rem}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:.9rem;color:var(--ink-900)}
.field label .req{color:#e0556b}
.field input,.field select,.field textarea{
  padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:11px;
  font:inherit;color:var(--ink-900);background:#fff;transition:.18s;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(88,217,255,.25)}
.form-note{font-size:.86rem;color:var(--ink-500);margin-top:1rem}
.trust-row{display:flex;gap:1.4rem;flex-wrap:wrap;justify-content:center;margin-top:1.6rem;color:var(--ink-500);font-size:.88rem;font-weight:600}
.trust-row span{display:flex;align-items:center;gap:.4rem}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--navy-800),var(--navy-700));
  color:#fff;border-radius:26px;padding:3.4rem;text-align:center;
  position:relative;overflow:hidden;
}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(88,217,255,.25),transparent 50%)}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff}
.cta-band p{color:#cdd9f5;max-width:54ch;margin:.6rem auto 1.8rem}

/* ---------- Legal pages ---------- */
.legal{max-width:820px;margin:0 auto}
.legal h2{margin:2.2rem 0 .7rem;font-size:1.5rem}
.legal h3{margin:1.6rem 0 .5rem;font-family:Inter,sans-serif;font-size:1.08rem;color:var(--ink-900)}
.legal p,.legal li{color:var(--ink-700);margin-bottom:.8rem}
.legal ul{padding-left:1.4rem}
.legal .updated{color:var(--ink-500);font-size:.9rem}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  background:linear-gradient(160deg,var(--navy-900),var(--navy-800));
  color:#fff;padding:4rem 0 3.4rem;text-align:center;position:relative;overflow:hidden;
}
.page-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(88,217,255,.18),transparent 55%)}
.page-hero > *{position:relative;z-index:2}
.page-hero h1{margin:.8rem 0 .6rem}
.page-hero p{color:#cdd9f5;max-width:56ch;margin:0 auto}
.breadcrumb{font-size:.85rem;color:#9fb4dd}
.breadcrumb a:hover{color:#fff}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#aebdde;padding:3.6rem 0 1.6rem}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem;padding-bottom:2.4rem;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-top h4{color:#fff;font-family:Inter,sans-serif;font-size:.95rem;margin-bottom:1rem;letter-spacing:.02em}
.footer-top a{display:block;color:#aebdde;font-size:.92rem;margin-bottom:.6rem;transition:.18s}
.footer-top a:hover{color:var(--brand);transform:translateX(3px)}
.footer-brand p{color:#8fa0c6;font-size:.9rem;margin-top:.9rem;max-width:34ch}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding-top:1.6rem;font-size:.85rem;color:#7e8fb6}
.social-row{display:flex;gap:.7rem;align-items:center}
.social-row a{display:block;width:36px;height:36px;border-radius:50%;opacity:.92;transition:transform .18s ease,opacity .18s ease,box-shadow .18s ease}
.social-row a:hover{transform:translateY(-3px);opacity:1;box-shadow:0 8px 18px rgba(0,0,0,.35)}
.social-row img{width:36px;height:36px;display:block}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:2.5rem;padding:3.5rem 0}
  .stats-strip{grid-template-columns:repeat(2,1fr);gap:1.6rem 1rem}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:680px){
  .nav-links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:flex-start;
    background:var(--navy-900);padding:1.5rem;gap:1.1rem;
    transform:translateY(-130%);transition:transform .32s ease;border-bottom:1px solid rgba(255,255,255,.1);
  }
  .nav-links.open{transform:translateY(0)}
  .nav-toggle{display:block}
  .nav-toggle.x span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .nav-toggle.x span:nth-child(2){opacity:0}
  .nav-toggle.x span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
  .grid-2,.grid-3,.grid-4,.form-grid,.qc-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .cta-band,.form-wrap{padding:2rem 1.4rem}
  .stats-strip{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- Photo hero (bolder) ---------- */
.hero-photo{position:relative;overflow:hidden;min-height:clamp(340px,38vh,460px);display:grid;align-items:center;color:#fff}
.hero-photo .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-photo .hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(120deg,rgba(7,21,47,.95) 0%,rgba(13,35,72,.82) 45%,rgba(20,52,101,.45) 100%)}
.hero-photo > .container{position:relative;z-index:2}
.hero-photo h1{font-size:clamp(2rem,3.6vw,3rem);line-height:1.05;margin:.8rem 0;max-width:17ch}
.hero-photo .lead{color:#d8e3ff;font-size:1rem;max-width:52ch}
.hero-photo .cta-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.4rem}
.hero-photo .hero-grid{padding:2.8rem 0 2.4rem}

/* ---------- Trust photo band ---------- */
.trust-band{position:relative;overflow:hidden;min-height:200px;display:grid;align-items:center}
.trust-band > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.trust-band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,21,47,.96) 0%,rgba(7,21,47,.8) 50%,rgba(7,21,47,.42) 100%);z-index:1}
.trust-band .container{position:relative;z-index:2;color:#fff;padding:2.4rem 0}
.trust-band h2{color:#fff;max-width:18ch;margin-bottom:.5rem;font-size:clamp(1.4rem,2vw,1.85rem)}
.trust-band .lead{color:#d8e3ff;max-width:52ch;font-size:.96rem}
.trust-band .trust-stats{display:flex;gap:2.2rem;flex-wrap:wrap;margin:1rem 0 .2rem}
.trust-band .ts .v{font-family:"Playfair Display",serif;font-size:1.75rem;font-weight:700;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.trust-band .ts .k{display:block;color:#c9d8ff;font-size:.85rem;font-weight:600;margin-top:.25rem;letter-spacing:.01em}

@media(max-width:680px){
  .hero-photo{min-height:auto}
  .hero-photo .hero-grid{padding:2.4rem 0 2.2rem}
  .trust-band .container{padding:2.2rem 0}
  .trust-band .trust-stats{gap:1.4rem}
}

/* ---------- Photo treatment for inner page heroes ---------- */
.page-hero.has-photo{padding:2.2rem 0 1.8rem;background:var(--navy-900)}
.page-hero .page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.page-hero .page-hero-shade{position:absolute;inset:0;z-index:1;background:linear-gradient(135deg,rgba(7,21,47,.94) 0%,rgba(13,35,72,.72) 55%,rgba(20,52,101,.5) 100%)}
.page-hero.has-photo h1{font-size:clamp(1.7rem,2.6vw,2.4rem);margin:.5rem auto .4rem}
.page-hero.has-photo p{font-size:.95rem}