/* ==========================================================================
   Utilities Made Simple — Enterprise design system
   Positioned as a national / multinational-scale independent energy advisory
   Ink #06182B / Current #0075C1 / Volt #2FB7FF / Meter #FFC53D / Paper #FFF
   ========================================================================== */
:root{
  --ink:#06182B; --ink-2:#0B2440; --blue:#0075C1; --volt:#2FB7FF;
  --wash:#F0F5FA; --paper:#FFFFFF; --slate:#3D5166; --line:#D6E2ED;
  --meter:#FFC53D; --radius:12px;
  --shadow:0 12px 36px rgba(6,24,43,.10);
  --shadow-lg:0 28px 70px rgba(6,24,43,.18);
  --display:'Sora',system-ui,-apple-system,sans-serif;
  --body:'IBM Plex Sans',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --max:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{font-family:var(--body);color:var(--slate);background:var(--paper);line-height:1.65;font-size:1.05rem;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--volt);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);line-height:1.1;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2.4rem,5.4vw,3.75rem)}
h2{font-size:clamp(1.75rem,3.4vw,2.45rem)}
h3{font-size:1.2rem;font-weight:600}
h4{font-size:1rem;font-weight:600}
.container{max-width:var(--max);margin:0 auto;padding:0 28px}
section{padding:96px 0}
.section-tight{padding:64px 0}
.wash{background:var(--wash)}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);display:inline-flex;align-items:center;gap:.65em;margin-bottom:18px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--blue)}
.lead{font-size:1.2rem;max-width:42em;line-height:1.7;color:var(--slate)}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* ---------- Top bar ---------- */
.topbar{background:var(--ink);color:#A8C0D4;font-size:.82rem;padding:9px 0;letter-spacing:.01em}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.topbar a{color:#fff;font-weight:500}
.topbar .mono{font-family:var(--mono);letter-spacing:.02em}

/* ---------- Header ---------- */
header.site{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:blur(16px) saturate(1.5);border-bottom:1px solid rgba(214,226,237,.85)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px;gap:20px}
.brand{display:flex;align-items:center}
.brand img{height:48px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{color:var(--ink);font-weight:600;font-size:.93rem;position:relative;letter-spacing:-.01em}
.nav-links a:hover{color:var(--blue);text-decoration:none}
.nav-links a[aria-current="page"]{color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:var(--display);font-weight:600;font-size:.95rem;padding:13px 24px;border-radius:9px;border:2px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s;letter-spacing:-.01em}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-solid{background:var(--blue);color:#fff}
.btn-solid:hover{background:#0063A4;box-shadow:0 10px 26px rgba(0,117,193,.32)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-amber{background:var(--meter);color:var(--ink)}
.btn-amber:hover{box-shadow:0 10px 26px rgba(255,197,61,.4)}
.btn-line-white{border-color:rgba(255,255,255,.65);color:#fff}
.btn-line-white:hover{background:#fff;color:var(--ink)}
.phone-link{font-family:var(--mono);font-weight:600;color:var(--ink);font-size:.95rem;white-space:nowrap}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span{display:block;height:2px;background:var(--ink);margin:6px 8px;transition:.2s}

/* ---------- Dark hero ---------- */
.hero-dark{position:relative;background:var(--ink);color:#B8CEDF;padding:108px 0 100px;overflow:hidden;isolation:isolate}
.hero-dark::before{content:"";position:absolute;inset:-35%;background:
 radial-gradient(40% 50% at 78% 15%,rgba(47,183,255,.26),transparent 58%),
 radial-gradient(32% 42% at 10% 85%,rgba(0,117,193,.28),transparent 60%),
 radial-gradient(26% 32% at 55% 100%,rgba(255,197,61,.09),transparent 58%);
 filter:blur(12px);z-index:-1;animation:aurora 18s ease-in-out infinite alternate}
@keyframes aurora{from{transform:translate3d(-2%,0,0) scale(1)}to{transform:translate3d(2%,3%,0) scale(1.05)}}
.hero-dark::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(70% 65% at 50% 28%,#000 25%,transparent 100%);z-index:-1}
.hero-dark h1{color:#fff}
.hero-dark h1 em{font-style:normal;background:linear-gradient(92deg,var(--volt),#9ADFFF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-dark .lead{color:#AFC6D8}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.hero-kicker{font-family:var(--mono);font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;color:var(--volt);display:inline-flex;gap:.7em;align-items:center;margin-bottom:22px}
.hero-kicker::before{content:"";width:32px;height:2px;background:var(--volt)}

/* quick quote form */
.quick-quote{margin-top:36px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:22px;backdrop-filter:blur(10px)}
.quick-quote .qq-row{display:grid;grid-template-columns:1.1fr 1.1fr auto;gap:12px}
.quick-quote label{display:none}
.quick-quote input{font-family:var(--body);font-size:1rem;padding:15px 16px;border-radius:9px;border:1px solid rgba(255,255,255,.2);background:rgba(6,24,43,.5);color:#fff;width:100%}
.quick-quote input::placeholder{color:#7A93A8}
.quick-quote input:focus{outline:none;border-color:var(--volt);box-shadow:0 0 0 3px rgba(47,183,255,.22)}
.quick-quote .qq-note{margin-top:12px;font-size:.8rem;color:#84A0B6}
.trustline{display:flex;gap:12px;align-items:center;margin-top:24px;font-size:.94rem;flex-wrap:wrap;color:#B8CEDF}
.trustline a{color:#fff;text-decoration:underline}
.stars{color:var(--meter);letter-spacing:2px;font-size:1.05rem}

/* stats */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
.stat{border-left:2px solid rgba(47,183,255,.45);padding-left:16px}
.stat b{display:block;font-family:var(--mono);font-weight:600;font-size:clamp(1.55rem,2.5vw,2.1rem);color:#fff;letter-spacing:-.02em}
.stat span{font-size:.82rem;color:#84A0B6}

/* rate card */
.rate-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);padding:32px;font-family:var(--mono);position:relative;max-width:420px;margin-left:auto}
.rate-card .rc-head{display:flex;justify-content:space-between;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);border-bottom:1px dashed var(--line);padding-bottom:12px;margin-bottom:16px}
.rate-row{display:flex;justify-content:space-between;align-items:baseline;padding:11px 0;font-size:.94rem}
.rate-row + .rate-row{border-top:1px solid var(--wash)}
.rate-row .lbl{color:var(--slate)}
.rate-row .val{font-weight:600;color:var(--ink);font-size:1.12rem}
.rate-row.strike .val{text-decoration:line-through;color:#93A6B8;font-weight:400}
.rate-row.win .val{color:var(--blue);font-size:1.5rem}
.rc-stamp{position:absolute;top:-14px;right:-10px;background:var(--meter);color:var(--ink);font-family:var(--display);font-weight:700;font-size:.78rem;letter-spacing:.05em;padding:9px 14px;border-radius:999px;transform:rotate(5deg);box-shadow:0 8px 22px rgba(255,197,61,.45)}
.rc-foot{margin-top:14px;font-size:.7rem;color:#7A90A3;line-height:1.5}

/* marquee */
.marquee{background:var(--ink);border-top:1px solid rgba(255,255,255,.07);padding:16px 0;overflow:hidden}
.marquee .track{display:flex;gap:12px;width:max-content;animation:scrollx 55s linear infinite}
.marquee:hover .track{animation-play-state:paused}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.marquee span{font-family:var(--mono);font-size:.8rem;color:#9BB3C7;border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:7px 15px;white-space:nowrap}
.marquee-note{background:var(--ink);color:#5A7389;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;text-align:center;padding:0 0 14px}

/* cards / grids */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:transform .2s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#B8D0E4}
.card h3{margin-bottom:10px}
.card p{font-size:.96rem}
.card-icon{width:46px;height:46px;border-radius:11px;background:linear-gradient(135deg,var(--wash),#D8EAF8);display:flex;align-items:center;justify-content:center;margin-bottom:16px;color:var(--blue)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bento .card.big{grid-column:span 2;background:linear-gradient(135deg,var(--ink),var(--ink-2));border-color:transparent}
.bento .card.big h3,.bento .card.big p{color:#fff}
.bento .card.big p{color:#B0C6D8}

/* steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step{position:relative;padding-top:12px}
.step::before{counter-increment:step;content:"0" counter(step);font-family:var(--mono);font-size:.82rem;color:var(--blue);letter-spacing:.1em;display:block;margin-bottom:10px;border-top:2px solid var(--blue);padding-top:10px;width:100%}
.step h3{font-size:1.08rem;margin-bottom:8px}
.step p{font-size:.94rem}

/* promise */
.promise{border-left:5px solid var(--meter);background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:42px;display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center}
.promise small{display:block;margin-top:12px;color:#7A90A3;font-size:.8rem}

/* calculator */
.calc{background:linear-gradient(135deg,var(--ink),var(--ink-2));border-radius:18px;padding:48px;color:#B0C6D8;box-shadow:var(--shadow-lg)}
.calc h2{color:#fff}
.calc .calc-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.calc input[type=range]{width:100%;accent-color:var(--volt);height:6px;margin:18px 0 8px}
.calc .spend{font-family:var(--mono);font-size:2rem;color:#fff;font-weight:600}
.calc .saving-box{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:30px;text-align:center}
.calc .saving-box .amt{font-family:var(--mono);font-weight:600;font-size:clamp(1.9rem,3.8vw,2.8rem);color:var(--meter)}
.calc .saving-box .per{color:#84A0B6;font-size:.86rem}
.calc .fine{font-size:.74rem;color:#7590A5;margin-top:16px}

/* sectors */
.sector-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sector{background:#fff;border:1px solid var(--line);border-radius:11px;padding:20px;font-weight:600;color:var(--ink);display:flex;gap:12px;align-items:center;transition:transform .18s,box-shadow .18s;font-size:.95rem}
.sector:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none}
.sector svg{color:var(--blue);flex:none}

/* comparison table */
table.vs{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:.95rem}
table.vs th{font-family:var(--display);font-size:.98rem;padding:17px 20px;text-align:left}
table.vs thead th{background:var(--ink);color:#fff}
table.vs thead th:last-child{background:var(--blue)}
table.vs td{padding:14px 20px;border-top:1px solid var(--wash);vertical-align:top}
table.vs td:first-child{font-weight:600;color:var(--ink)}
table.vs td .no{color:#B04A4A}
table.vs td .yes{color:#1B7A4B;font-weight:600}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;font-size:.95rem}
.review .stars{display:block;margin-bottom:12px}
.review footer{margin-top:14px;font-family:var(--mono);font-size:.78rem;color:#7A90A3}
.tp-bar{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:32px;font-size:.96rem}

/* faq */
details.faq{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:12px}
details.faq summary{cursor:pointer;font-family:var(--display);font-weight:600;color:var(--ink);padding:18px 22px;list-style:none;display:flex;justify-content:space-between;gap:14px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-family:var(--mono);color:var(--blue);font-size:1.15rem}
details.faq[open] summary::after{content:"–"}
details.faq .faq-body{padding:0 22px 20px;font-size:.96rem}

/* data tables */
table.data{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:.93rem}
table.data th{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;text-align:left;background:var(--ink);color:#fff;padding:12px 16px}
table.data td{padding:12px 16px;border-top:1px solid var(--wash);vertical-align:top}
table.data td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}

/* forms */
.form-wrap{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:40px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--display);font-weight:600;font-size:.86rem;color:var(--ink)}
.field .hint{font-size:.78rem;color:#7A90A3}
.field input,.field select,.field textarea{font-family:var(--body);font-size:1rem;padding:13px 14px;border:1.5px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(0,117,193,.14)}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-foot{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:6px}
.form-foot small{color:#7A90A3;font-size:.78rem;max-width:32em}

/* layouts */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.split .sticky{position:sticky;top:100px}
ul.checks{list-style:none;margin:18px 0}
ul.checks li{padding-left:32px;position:relative;margin-bottom:12px}
ul.checks li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/70% no-repeat}

/* guides */
.guide-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:transform .2s,box-shadow .2s,border-color .2s}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#B8D0E4;text-decoration:none}
.guide-card .tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:12px}
.guide-card h3{margin-bottom:10px}
.guide-card p{color:var(--slate);font-size:.94rem}
.guide-card .read{margin-top:auto;padding-top:16px;font-weight:600;font-size:.9rem;color:var(--blue)}

/* article */
.article{max-width:740px;margin:0 auto}
.article h1{margin-bottom:14px;font-size:clamp(2rem,4vw,2.8rem)}
.article .meta{font-family:var(--mono);font-size:.78rem;color:#7A90A3;margin-bottom:32px}
.article h2{margin:42px 0 14px;font-size:1.5rem}
.article h3{margin:28px 0 12px}
.article p{margin-bottom:16px}
.article ul,.article ol{margin:0 0 16px 22px}
.article li{margin-bottom:7px}
.article .callout{background:var(--wash);border-left:4px solid var(--blue);border-radius:0 var(--radius) var(--radius) 0;padding:20px 24px;margin:26px 0}

/* cta band */
.cta-band{background:linear-gradient(120deg,#005A96,var(--blue) 55%,var(--volt));color:#fff;border-radius:18px;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff;margin-bottom:8px}
.cta-band p{color:#D4EBFF;max-width:34em}

/* footer — clean multinational style, no street addresses */
footer.site{background:var(--ink);color:#96ADC1;padding:72px 0 28px;font-size:.91rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;margin-bottom:48px}
footer.site h4{color:#fff;margin-bottom:16px;font-size:.92rem;letter-spacing:-.01em}
footer.site ul{list-style:none}
footer.site li{margin-bottom:9px}
footer.site a{color:#C0D2E0}
footer.site a:hover{color:#fff}
.foot-brand{font-family:var(--display);font-weight:700;color:#fff;font-size:1.12rem;margin-bottom:14px;letter-spacing:-.02em}
.foot-hours{font-family:var(--mono);font-size:.8rem;line-height:1.9}
.smallprint{border-top:1px solid #152C44;padding-top:24px;font-size:.76rem;color:#6E879C;line-height:1.7}
.smallprint a{color:#96ADC1}

/* light hero (inner pages) */
.hero{background:linear-gradient(180deg,var(--wash) 0%,#fff 100%);padding:88px 0 68px;overflow:hidden}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero .lead{margin-top:18px}
.hero .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero .trustline{color:var(--slate)}
.hero .trustline a{color:var(--blue);text-decoration:none}
.hero .hero-grid{align-items:center}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.marquee .track{animation:none}}

/* mobile sticky CTA */
.sticky-cta{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:90;
  background:rgba(6,24,43,.97);backdrop-filter:blur(14px);
  border-top:1px solid rgba(255,255,255,.1);
  padding:12px 16px;gap:10px;
  box-shadow:0 -10px 32px rgba(0,0,0,.28);
}
.sticky-cta a{
  flex:1;text-align:center;padding:13px 10px;border-radius:9px;
  font-family:var(--display);font-weight:600;font-size:.93rem;
  text-decoration:none;transition:transform .15s;
}
.sticky-cta .sc-phone{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}
.sticky-cta .sc-quote{background:var(--meter);color:var(--ink)}
.sticky-cta a:active{transform:scale(.97)}

/* responsive */
@media (max-width:980px){
  .hero-grid,.split,.promise,.calc .calc-grid{grid-template-columns:1fr}
  .rate-card{margin:36px auto 0}
  .grid-3,.review-grid,.bento,.steps{grid-template-columns:1fr 1fr}
  .bento .card.big{grid-column:span 2}
  .grid-4,.stat-row,.sector-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .split .sticky{position:static}
  .quick-quote .qq-row{grid-template-columns:1fr}
}
@media (max-width:700px){
  section{padding:64px 0}
  .nav-links{position:fixed;inset:78px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;padding:22px 24px 30px;gap:18px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .25s ease;z-index:70}
  .nav-links.open{transform:none}
  .burger{display:block}
  .nav-cta .btn{display:none}
  .grid-3,.grid-2,.grid-4,.review-grid,.steps,.form-grid,.bento,.sector-grid{grid-template-columns:1fr}
  .bento .card.big{grid-column:auto}
  .stat-row{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 26px}
  .promise,.calc{padding:28px}
  .topbar .container{justify-content:center}
  .brand img{height:40px}
  .sticky-cta{display:flex}
  body{padding-bottom:72px}
}