/* ==========================================================
   GRIDLINE ELECTRIC — stylesheet
   Direction: Ravello-level typographic restraint (Lora 400 mixed case + Montserrat),
   own identity: ink + volt amber on cool paper. Brand idea = gridlines + power.
   ========================================================== */
:root{
  --ink:#0b0f14;
  --ink-2:#121923;
  --ink-3:#1b2431;
  --paper:#f4f6f8;
  --white:#ffffff;
  --line:#dfe4ea;
  --line-dark:rgba(255,255,255,.12);
  --text:#1c2530;
  --muted:#58636f;          /* 5.7:1 on paper */
  --muted-dark:#9eabba;     /* 8:1 on ink */
  --volt:#ffbf00;           /* amber accent — ink text on it, never white */
  --volt-deep:#e5a800;
  --font-head:'Lora',Georgia,serif;
  --font-body:'Montserrat',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1240px;
  --radius:6px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);font-size:16px;line-height:1.75;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--volt);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}
.skip{position:absolute;left:-999px;top:0;background:var(--volt);color:var(--ink);padding:10px 16px;z-index:999;font-weight:600}
.skip:focus{left:0}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--font-head);font-weight:400;color:var(--ink);line-height:1.18;letter-spacing:-.015em;text-transform:none}
h1{font-size:clamp(2.6rem,5.6vw,4.4rem);line-height:1.08}
h2{font-size:clamp(2rem,3.6vw,3rem)}
h3{font-size:clamp(1.25rem,1.9vw,1.55rem)}
h1 em,h2 em{font-style:italic;font-weight:400}
.eyebrow{display:inline-flex;align-items:center;gap:.8rem;font-size:.7rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--volt)}
.on-dark .eyebrow,.dark .eyebrow{color:var(--muted-dark)}
.lead{font-size:1.1rem;line-height:1.8;color:var(--muted);max-width:60ch}
.dark .lead,.on-dark .lead,.hero .lead,.page-hero .lead{color:var(--muted-dark)}
.hero .eyebrow,.page-hero .eyebrow{color:var(--muted-dark)}
.dark h1,.dark h2,.dark h3,.dark h4,.dark2 h1,.dark2 h2,.dark2 h3,.dark2 h4{color:#fff}
.dark2 .eyebrow,.dark2 .lead{color:var(--muted-dark)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.7rem;padding:1rem 1.8rem;border-radius:4px;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;border:2px solid transparent;transition:.25s var(--ease);white-space:nowrap}
.btn svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-volt{background:var(--volt);color:var(--ink);border-color:var(--volt)}
.btn-volt:hover{background:#fff;border-color:#fff}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{border-color:var(--volt);color:var(--volt)}
.btn-ink{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ink:hover{background:var(--volt);border-color:var(--volt);color:var(--ink)}
.btn-line{color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.link-arrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);border-bottom:2px solid var(--volt);padding-bottom:3px}
.link-arrow svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.dark .link-arrow{color:#fff}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--ink);border-bottom:1px solid var(--line-dark)}
.topbar{background:var(--ink-2);border-bottom:1px solid var(--line-dark);font-size:.74rem;color:var(--muted-dark);letter-spacing:.04em}
.topbar .wrap{display:flex;justify-content:space-between;gap:1rem;padding-top:.45rem;padding-bottom:.45rem}
.topbar a:hover{color:var(--volt)}
.topbar b{color:#fff;font-weight:600}
.topbar .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--volt);margin-right:.55rem;box-shadow:0 0 0 0 rgba(255,191,0,.6);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(255,191,0,0)}100%{box-shadow:0 0 0 0 rgba(255,191,0,0)}}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;height:78px}
.logo img{height:48px;width:auto}
.nav{display:flex;align-items:center;gap:.2rem}
.nav>li{position:relative}
.nav>li>a{display:flex;align-items:center;gap:.4rem;padding:.7rem .95rem;font-size:.8rem;font-weight:500;letter-spacing:.06em;color:#d9e0e8;transition:color .2s;white-space:nowrap}
.nav>li>a:hover,.nav>li>a.on{color:var(--volt)}
.nav .caret{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.7}
.drop{position:absolute;top:100%;left:0;min-width:300px;background:#fff;border-radius:var(--radius);box-shadow:0 18px 50px rgba(0,0,0,.35);padding:.6rem;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s var(--ease)}
.nav>li:hover .drop,.nav>li:focus-within .drop{opacity:1;visibility:visible;transform:none}
.drop a{display:block;padding:.7rem .9rem;border-radius:4px;font-size:.88rem;color:var(--text);font-weight:500}
.drop a small{display:block;font-size:.74rem;color:var(--muted);font-weight:400;line-height:1.4}
.drop a:hover{background:var(--paper)}
.head-cta{display:flex;align-items:center;gap:1.1rem}
.head-phone{display:flex;flex-direction:column;line-height:1.2;text-align:right}
.head-phone small{font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-dark)}
.head-phone b{font-size:1.02rem;color:#fff;font-weight:600;letter-spacing:.02em}
.head-phone:hover b{color:var(--volt)}
.burger{display:none;width:46px;height:46px;border:1px solid var(--line-dark);border-radius:4px;background:transparent;position:relative}
.burger span,.burger span::before,.burger span::after{position:absolute;left:12px;right:12px;height:2px;background:#fff;content:"";transition:.25s var(--ease)}
.burger span{top:22px}.burger span::before{left:0;right:0;top:-7px}.burger span::after{left:0;right:0;top:7px}
.burger[aria-expanded=true] span{background:transparent}
.burger[aria-expanded=true] span::before{top:0;transform:rotate(45deg)}
.burger[aria-expanded=true] span::after{top:0;transform:rotate(-45deg)}
.drawer{position:fixed;inset:0;z-index:200;background:var(--ink);padding:5.5rem 1.6rem 2rem;overflow:auto;transform:translateX(100%);transition:transform .38s var(--ease)}
.drawer.open{transform:none}
.drawer-close{position:absolute;top:1.1rem;right:1.2rem;width:46px;height:46px;border:1px solid var(--line-dark);border-radius:4px;background:transparent;color:#fff;font-size:1.5rem;line-height:1}
.drawer a.m{display:block;padding:.9rem 0;font-family:var(--font-head);font-size:1.7rem;color:#fff;border-bottom:1px solid var(--line-dark)}
.drawer a.s{display:block;padding:.55rem 0 .55rem 1rem;font-size:.95rem;color:var(--muted-dark)}
.drawer .btn{margin-top:1.6rem;width:100%;justify-content:center}
.drawer-contact{margin-top:1.6rem;color:var(--muted-dark);font-size:.9rem}
.drawer-contact a{color:#fff;display:block}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.hero .grid-bg{position:absolute;inset:0;z-index:-2;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 90% 80% at 70% 40%,#000 25%,transparent 78%);-webkit-mask-image:radial-gradient(ellipse 90% 80% at 70% 40%,#000 25%,transparent 78%)}
.hero .glow{position:absolute;z-index:-1;width:720px;height:720px;right:-160px;top:-240px;background:radial-gradient(circle,rgba(255,191,0,.2),transparent 62%);pointer-events:none}
.hero .circuit{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none;-webkit-mask-image:linear-gradient(90deg,transparent 48%,#000 70%);mask-image:linear-gradient(90deg,transparent 48%,#000 70%)}
.hero .circuit path{fill:none;stroke:var(--volt);stroke-width:2;stroke-linecap:square;stroke-dasharray:140 2200;stroke-dashoffset:2340;filter:drop-shadow(0 0 6px rgba(255,191,0,.8));animation:run 7s linear infinite}
.hero .circuit path:nth-child(2){animation-delay:-2.6s;animation-duration:9s}
.hero .circuit path:nth-child(3){animation-delay:-5s;animation-duration:8s}
@keyframes run{to{stroke-dashoffset:0}}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(2rem,5vw,5rem);align-items:center;padding-top:clamp(3.5rem,7vw,6.5rem);padding-bottom:clamp(3.5rem,7vw,6.5rem)}
.hero h1{color:#fff;margin:1.3rem 0 1.4rem}
.hero h1 em{color:var(--volt)}
.hero .lead{margin-bottom:2.1rem;font-size:1.12rem}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.9rem}
.hero-chips{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;margin-top:2.4rem;padding-top:1.6rem;border-top:1px solid var(--line-dark);font-size:.78rem;letter-spacing:.06em;color:var(--muted-dark)}
.hero-chips span{display:inline-flex;align-items:center;gap:.5rem}
.hero-chips svg{width:16px;height:16px;color:var(--volt)}
.hero-photo{position:relative}
.hero-photo .frame{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/4.4;box-shadow:0 40px 90px rgba(0,0,0,.55)}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:62% 50%;transform:scale(1.03);animation:drift 22s ease-in-out infinite alternate}
@keyframes drift{to{transform:scale(1.1) translateX(-1.5%)}}
.hero-photo .frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,15,20,.05) 40%,rgba(11,15,20,.6));pointer-events:none}
.hero-photo::before{content:"";position:absolute;inset:-14px 14px 14px -14px;border:1px solid rgba(255,191,0,.55);border-radius:var(--radius);z-index:-1}
.tag{position:absolute;z-index:2;background:rgba(11,15,20,.88);backdrop-filter:blur(8px);border:1px solid var(--line-dark);border-radius:var(--radius);padding:.85rem 1.1rem;color:#fff;font-size:.8rem;line-height:1.45}
.tag b{display:block;font-family:var(--font-head);font-size:1.15rem;font-weight:400}
.tag small{color:var(--muted-dark);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}
.tag.a{left:-1.4rem;bottom:2.2rem}
.tag.b{right:1rem;top:1.2rem;display:flex;align-items:center;gap:.7rem}
.tag.b .dot{width:9px;height:9px;border-radius:50%;background:#3ddc84;box-shadow:0 0 0 4px rgba(61,220,132,.2)}

/* inner page hero */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate;padding:clamp(3.5rem,6vw,5.5rem) 0}
.page-hero .grid-bg{position:absolute;inset:0;z-index:-2;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:64px 64px;mask-image:linear-gradient(90deg,transparent,#000 70%);-webkit-mask-image:linear-gradient(90deg,transparent,#000 70%)}
.page-hero h1{color:#fff;font-size:clamp(2.4rem,5vw,3.8rem);margin:1.1rem 0 1.1rem;max-width:20ch}
.page-hero h1 em{color:var(--volt)}
.crumbs{font-size:.74rem;letter-spacing:.1em;color:var(--muted-dark)}
.crumbs a:hover{color:var(--volt)}
.crumbs span{margin:0 .6rem;opacity:.5}

/* ---------- sections ---------- */
section{position:relative}
.sec{padding:clamp(4.5rem,8vw,8rem) 0}
.sec.white{background:#fff}
.sec.dark{background:var(--ink);color:#fff}
.sec.dark2{background:var(--ink-2);color:#fff}
.sec-head{max-width:760px;margin-bottom:clamp(2.5rem,4vw,4rem)}
.sec-head h2{margin:1.1rem 0 1.1rem}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}
.sec-head.center .eyebrow{justify-content:center}
.sec-head.center .lead{margin-left:auto;margin-right:auto}

/* statement */
.statement{padding:clamp(4rem,7vw,7rem) 0;background:#fff;border-bottom:1px solid var(--line)}
.statement .wrap{max-width:1040px}
.statement .eyebrow{margin-bottom:1.6rem}
.statement p.big{font-family:var(--font-head);font-size:clamp(1.5rem,2.6vw,2.15rem);line-height:1.4;color:var(--ink);letter-spacing:-.01em}
.statement p.big em{color:var(--ink);background:linear-gradient(transparent 62%,rgba(255,191,0,.55) 62%)}
.statement .small{margin-top:1.5rem;color:var(--muted);max-width:56ch}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem 2rem}
.stat{border-top:2px solid var(--ink);padding-top:1rem}
.stat b{display:block;font-family:var(--font-head);font-weight:400;font-size:clamp(1.8rem,3vw,2.4rem);color:var(--ink);line-height:1.1}
.stat span{font-size:.82rem;color:var(--muted);letter-spacing:.04em}

/* two big cards */
.big-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1rem,2vw,1.6rem)}
.big-card{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:480px;border-radius:var(--radius);overflow:hidden;color:#fff;isolation:isolate}
.big-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .9s var(--ease)}
.big-card::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,15,20,.1) 20%,rgba(11,15,20,.88) 100%)}
.big-card:hover img{transform:scale(1.06)}
.big-card .in{padding:clamp(1.6rem,3vw,2.6rem)}
.big-card .num{font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--volt);font-weight:600}
.big-card h3{color:#fff;font-size:clamp(1.8rem,3vw,2.4rem);margin:.5rem 0 .6rem}
.big-card p{color:#d3dbe4;max-width:44ch;margin-bottom:1.3rem;font-size:.98rem}
.big-card .link-arrow{color:#fff;align-self:flex-start}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,1.6vw,1.4rem)}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.9rem 1.8rem;display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.card::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:3px;background:var(--volt);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);border-radius:var(--radius) var(--radius) 0 0}
.card:hover{transform:translateY(-6px);box-shadow:0 26px 60px rgba(11,15,20,.12);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card .ic{width:50px;height:50px;border-radius:50%;background:var(--paper);display:grid;place-items:center;margin-bottom:1.4rem;color:var(--ink);transition:.3s var(--ease)}
.card:hover .ic{background:var(--volt)}
.card .ic svg{width:24px;height:24px}
.card .n{position:absolute;top:1.6rem;right:1.8rem;font-size:.7rem;letter-spacing:.22em;color:#6a7684;font-weight:600}
.card h3{margin-bottom:.7rem}
.card p{font-size:.95rem;color:var(--muted);margin-bottom:1.5rem;flex:1}
.card .link-arrow{align-self:flex-start}
.card.dark{background:var(--ink-2);border-color:var(--line-dark)}
.card.dark h3{color:#fff}.card.dark p{color:var(--muted-dark)}
.card.dark .ic{background:var(--ink-3);color:var(--volt)}
.card.dark:hover .ic{background:var(--volt);color:var(--ink)}
.card.dark .n{color:#8795a6}

/* feature band (EV + generators) */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1rem,2vw,1.6rem)}
.feature{position:relative;background:var(--ink-2);border:1px solid var(--line-dark);border-radius:var(--radius);padding:clamp(2rem,3.4vw,3.2rem);overflow:hidden;color:#fff}
.feature h3{color:#fff;font-size:clamp(1.7rem,2.6vw,2.2rem);margin:1rem 0 1rem}
.feature p{color:var(--muted-dark);max-width:46ch;margin-bottom:1.6rem}
.feature ul{margin:0 0 1.8rem}
.feature li{display:flex;gap:.7rem;align-items:flex-start;padding:.42rem 0;font-size:.93rem;color:#d3dbe4}
.feature li svg{flex:0 0 18px;width:18px;height:18px;margin-top:.28rem;color:var(--volt)}
.feature .viz{margin-top:2rem;padding-top:1.6rem;border-top:1px solid var(--line-dark)}
.charge{position:relative;height:12px;border-radius:99px;background:var(--ink-3);overflow:hidden}
.charge i{position:absolute;inset:0 auto 0 0;width:0;background:linear-gradient(90deg,var(--volt-deep),var(--volt));border-radius:99px;animation:charge 5.5s var(--ease) infinite}
@keyframes charge{0%{width:6%}70%,100%{width:100%}}
.viz-row{display:flex;justify-content:space-between;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-dark);margin-top:.8rem}
.viz-row b{color:var(--volt);font-weight:600}
.switch{display:flex;align-items:center;gap:1rem}
.switch .node{flex:1;height:2px;background:var(--ink-3);position:relative}
.switch .node::after{content:"";position:absolute;inset:0 auto 0 0;width:0;background:var(--volt);animation:flip 6s var(--ease) infinite}
@keyframes flip{0%,18%{width:0}28%,100%{width:100%}}
.switch .pill{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;padding:.45rem .8rem;border:1px solid var(--line-dark);border-radius:99px;color:var(--muted-dark);white-space:nowrap}
.switch .pill.live{border-color:var(--volt);color:var(--volt)}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;border-top:1px solid var(--line-dark)}
.step{padding:2.2rem 1.8rem 0 0;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--font-head);font-size:2.6rem;color:var(--volt);line-height:1;display:block;margin-bottom:1.2rem}
.step::after{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--volt)}
.step h3{color:#fff;font-size:1.3rem;margin-bottom:.6rem}
.step p{color:var(--muted-dark);font-size:.93rem}
.light-steps .steps{border-color:var(--line)}
.light-steps .step h3{color:var(--ink)}.light-steps .step p{color:var(--muted)}

/* why */
.why{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);align-items:center}
.why-photo{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:5/4.2}
.why-photo img{width:100%;height:100%;object-fit:cover}
.why-photo .tag{left:1.2rem;bottom:1.2rem}
.why-list{margin-top:2rem;display:grid;gap:0}
.why-list li{display:grid;grid-template-columns:44px 1fr;gap:1.1rem;padding:1.25rem 0;border-top:1px solid var(--line)}
.why-list li:last-child{border-bottom:1px solid var(--line)}
.why-list .ck{width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--volt);display:grid;place-items:center}
.why-list .ck svg{width:20px;height:20px}
.why-list b{display:block;font-family:var(--font-head);font-weight:400;font-size:1.2rem;color:var(--ink);margin-bottom:.15rem}
.why-list span{font-size:.95rem;color:var(--muted)}

/* area / badge strip */
.area{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.areas{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.8rem}
.areas span{padding:.55rem 1.05rem;border:1px solid var(--line-dark);border-radius:99px;font-size:.84rem;color:#d3dbe4}
.badge-card{background:#fff;border-radius:var(--radius);padding:2rem;text-align:center}
.badge-card img{margin:0 auto 1.1rem;max-width:300px}
.badge-card p{font-size:.85rem;color:var(--muted);line-height:1.6}

/* cta band */
.cta{position:relative;background:var(--volt);color:var(--ink);overflow:hidden;isolation:isolate}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(11,15,20,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(11,15,20,.08) 1px,transparent 1px);background-size:64px 64px}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-top:clamp(3rem,5vw,4.6rem);padding-bottom:clamp(3rem,5vw,4.6rem)}
.cta h2{color:var(--ink);font-size:clamp(1.9rem,3.4vw,2.8rem);max-width:20ch}
.cta p{margin-top:.6rem;color:#3b3200;max-width:48ch}
.cta .btns{display:flex;gap:.8rem;flex-wrap:wrap}

/* form */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.8rem,3vw,2.6rem)}
.form-card h3{font-size:1.7rem;margin-bottom:.4rem}
.form-card .sub{color:var(--muted);font-size:.93rem;margin-bottom:1.6rem}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ink);margin-bottom:.45rem}
.field input,.field select,.field textarea{width:100%;padding:.9rem 1rem;border:1px solid #c7cfd8;border-radius:4px;background:var(--paper);font:inherit;font-size:.95rem;color:var(--text);transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);background:#fff;box-shadow:0 0 0 3px rgba(255,191,0,.45)}
.field textarea{min-height:130px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.hp{position:absolute;left:-9999px}
.form-msg{margin-top:1rem;font-size:.9rem;display:none;padding:.9rem 1rem;border-radius:4px}
.form-msg.ok{display:block;background:#e9f8ef;color:#12663a}
.form-msg.err{display:block;background:#fdeceb;color:#a1241b}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.contact-list{display:grid;gap:1.6rem;margin-top:2rem}
.contact-list li{display:grid;grid-template-columns:50px 1fr;gap:1.1rem;align-items:center}
.contact-list .ic{width:50px;height:50px;border-radius:50%;background:var(--ink);color:var(--volt);display:grid;place-items:center}
.contact-list .ic svg{width:22px;height:22px}
.contact-list small{display:block;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.contact-list a,.contact-list b{font-family:var(--font-head);font-weight:400;font-size:1.3rem;color:var(--ink)}
.contact-list a:hover{text-decoration:underline;text-decoration-color:var(--volt);text-decoration-thickness:3px;text-underline-offset:4px}

/* service page body */
.svc-body{display:grid;grid-template-columns:1.5fr .8fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.prose h2{font-size:clamp(1.7rem,2.6vw,2.2rem);margin:2.6rem 0 1rem}
.prose h2:first-child{margin-top:0}
.prose p{color:#3d4852;margin-bottom:1.1rem;max-width:62ch}
.prose p strong{color:var(--ink);font-weight:700}
.sec.white .related{background:var(--paper)}
.checks{display:grid;gap:.15rem;margin:1.2rem 0 1.6rem}
.checks li{display:flex;gap:.8rem;align-items:flex-start;padding:.7rem 0;border-bottom:1px solid var(--line);color:var(--text);font-size:.97rem}
.checks li svg{flex:0 0 20px;width:20px;height:20px;margin-top:.22rem;color:var(--ink);background:var(--volt);border-radius:50%;padding:3px}
.aside{position:sticky;top:110px;display:grid;gap:1.2rem}
.aside .card-call{background:var(--ink);color:#fff;border-radius:var(--radius);padding:2rem}
.aside .card-call h3{color:#fff;margin-bottom:.5rem}
.aside .card-call p{color:var(--muted-dark);font-size:.93rem;margin-bottom:1.3rem}
.aside .card-call .btn{width:100%;justify-content:center}
.aside .card-call .btn+.btn{margin-top:.7rem}
.related{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem 1.8rem}
.related h4{font-family:var(--font-body);font-size:.7rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:.6rem}
.related a{display:flex;justify-content:space-between;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--line);font-size:.93rem;font-weight:500}
.related a:last-child{border:0}
.related a:hover{color:#000;padding-left:.35rem}
.related a{transition:.2s}

/* footer */
.footer{background:var(--ink);color:var(--muted-dark);padding:clamp(3.5rem,6vw,5.5rem) 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1.1fr;gap:clamp(1.8rem,4vw,4rem);padding-bottom:3.2rem}
.foot-grid img.fl{height:54px;width:auto;margin-bottom:1.3rem}
.foot-grid p{font-size:.92rem;max-width:36ch}
.foot-grid h4{font-family:var(--font-body);font-size:.7rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:#fff;margin-bottom:1.2rem}
.foot-grid li{margin-bottom:.55rem;font-size:.92rem}
.foot-grid a:hover{color:var(--volt)}
.foot-grid .bigphone{font-family:var(--font-head);font-size:1.55rem;color:#fff;display:block;margin-bottom:.3rem}
.foot-badge{background:#fff;border-radius:4px;padding:.7rem 1rem;display:inline-block;margin-top:1.2rem}
.foot-badge img{height:38px;width:auto}
.foot-bottom{border-top:1px solid var(--line-dark);padding:1.4rem 0;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.78rem}
.foot-bottom a{color:#d3dbe4}.foot-bottom a:hover{color:var(--volt)}

/* sticky mobile call bar */
.callbar{display:none}
.callbar svg{width:18px;height:18px}
.hero-grid>*,.statement .wrap>*,.why>*,.area>*,.contact-grid>*,.svc-body>*{min-width:0}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav,.head-phone{display:none}
  .burger{display:block}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:2.4rem}
  .foot-grid{grid-template-columns:1fr 1fr}
  .svc-body{grid-template-columns:1fr}.aside{position:static}
}
@media (max-width:860px){
  .hero-grid,.statement .wrap,.why,.area,.contact-grid{grid-template-columns:1fr}
  .hero-photo{max-width:560px}
  .tag.a{left:.8rem}
  .big-cards,.feature-grid{grid-template-columns:1fr}
  .big-card{min-height:380px}
  .topbar .hide-sm{display:none}
  .head-cta .btn{display:none}
  .why-photo{order:-1}
}
@media (max-width:620px){
  body{padding-bottom:64px}
  .cards{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .stats{gap:1.2rem 1.2rem}
  .callbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:90;background:var(--ink);border-top:1px solid var(--line-dark)}
  .callbar a{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff}
  .callbar a:last-child{background:var(--volt);color:var(--ink)}
  .hero-ctas .btn{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .hero .circuit{display:none}
  .charge i{width:100%}
}

/* ===== hero slideshow (home) ===== */
.hero-slider{position:relative}
.hero-slider::before{content:"";position:absolute;inset:-14px 14px 14px -14px;border:1px solid rgba(255,191,0,.55);border-radius:var(--radius);z-index:-1}
.hs-frame{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/4.9;background:var(--ink-2);box-shadow:0 40px 90px rgba(0,0,0,.55)}
.hs-track{display:flex;height:100%;transition:transform .85s var(--ease);will-change:transform}
.hs-slide{position:relative;flex:0 0 100%;height:100%;display:block;overflow:hidden;color:#fff}
.hs-media{position:absolute;inset:0}
.hs-media img{width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 7s linear}
.hs-slide.on .hs-media img{transform:scale(1.12)}
.hs-media.art{display:flex;align-items:flex-start;justify-content:center;background:radial-gradient(ellipse at 50% 30%,#1a2433,var(--ink) 70%)}
.hs-media.art .genart{height:57%;padding:5.2rem 1.6rem 0;max-width:none;width:100%;display:flex;justify-content:center}
.hs-media.art .genart svg{height:100%;width:auto;max-width:100%}
.hs-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,15,20,0) 26%,rgba(11,15,20,.74) 58%,rgba(11,15,20,.97) 100%);pointer-events:none}
.hs-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:1.4rem 1.6rem 4.6rem;display:flex;flex-direction:column;gap:.35rem}
.hs-n{font-size:.68rem;letter-spacing:.24em;font-weight:600;color:var(--volt)}
.hs-cap b{font-family:var(--font-head);font-weight:400;font-size:clamp(1.5rem,2.3vw,2rem);line-height:1.15;color:#fff}
.hs-cap>span:not(.hs-n){font-size:.9rem;color:#e6ecf2;text-shadow:0 1px 8px rgba(0,0,0,.6);max-width:40ch;line-height:1.55}
.hs-go{display:inline-flex;align-items:center;gap:.55rem;margin-top:.6rem;font-style:normal;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--volt)}
.hs-go svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.hs-slide:hover .hs-go svg{transform:translateX(5px)}
.hs-slide:focus-visible{outline-offset:-4px}
.hs-ui{position:absolute;left:0;right:0;bottom:0;z-index:3;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.4rem 1.2rem}
.hs-dots{display:flex;gap:.45rem;flex:1;max-width:300px}
.hs-dot{position:relative;flex:1;height:22px;background:transparent;border:0;padding:0}
.hs-dot i{position:absolute;left:0;right:0;top:10px;height:3px;border-radius:3px;background:rgba(255,255,255,.28);overflow:hidden}
.hs-dot i::after{content:"";position:absolute;inset:0;transform:scaleX(0);transform-origin:left;background:var(--volt)}
.hs-dot.on i::after{animation:hsfill var(--hs-ms,5800ms) linear forwards}
.hs-dot.done i::after{transform:scaleX(1)}
.hs-paused .hs-dot.on i::after{animation-play-state:paused}
@keyframes hsfill{to{transform:scaleX(1)}}
.hs-arrows{display:flex;gap:.5rem}
.hs-arrows button{width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(11,15,20,.55);backdrop-filter:blur(6px);color:#fff;display:grid;place-items:center;transition:.25s var(--ease)}
.hs-arrows button:hover{background:var(--volt);border-color:var(--volt);color:var(--ink)}
.hs-arrows svg{width:16px;height:16px}
.hs-prev svg{transform:scaleX(-1)}
.hero-slider .tag.b{right:1rem;top:1rem;z-index:4}

/* generator diagram (no-photo slide / hero) */
.genart{width:100%;max-width:520px;padding:1.4rem 1.6rem}
.genart svg{width:100%;height:auto;display:block;overflow:visible}
.gnode rect{fill:#121923;stroke:#2a3646;stroke-width:1.5}
.gnode text{fill:#e6ecf2;font:600 17px/1 var(--font-body);letter-spacing:.12em;text-anchor:middle}
.gnode.ats rect{stroke:var(--volt)}
.gnode.ats text{fill:var(--volt)}
.gnode.gen rect{animation:genbox 7s infinite}
.gnode.gen text{animation:gentext 7s infinite}
@keyframes genbox{0%,34%{stroke:#2a3646}44%,100%{stroke:var(--volt)}}
@keyframes gentext{0%,34%{fill:#8794a5}44%,100%{fill:var(--volt)}}
.wire{fill:none;stroke:#2a3646;stroke-width:2}
.flow{fill:none;stroke:var(--volt);stroke-width:3;stroke-linecap:round;stroke-dasharray:18 22;filter:drop-shadow(0 0 5px rgba(255,191,0,.85));animation:flow 1.1s linear infinite}
@keyframes flow{to{stroke-dashoffset:-40}}
.flow.g1{animation:flow 1.1s linear infinite,gridon 7s infinite}
.flow.g2{animation:flow 1.1s linear infinite,genon 7s infinite}
@keyframes gridon{0%,28%{opacity:1}36%,100%{opacity:0}}
@keyframes genon{0%,40%{opacity:0}50%,100%{opacity:1}}
.gnode text.status{fill:#8794a5;font:600 12px/1 var(--font-body);letter-spacing:.18em}
.gnode text.status.s1{animation:s1 7s infinite}.gnode text.status.s2{animation:s2 7s infinite}
@keyframes s1{0%,28%{fill:var(--volt)}36%,100%{fill:#5d6b7c}}
@keyframes s2{0%,40%{fill:#5d6b7c}50%,100%{fill:var(--volt)}}

/* ===== service-page hero with media ===== */
.page-hero.has-media{padding:clamp(3rem,5vw,4.6rem) 0}
.page-hero .circuit{position:absolute;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none;-webkit-mask-image:linear-gradient(90deg,transparent 50%,#000 75%);mask-image:linear-gradient(90deg,transparent 50%,#000 75%)}
.page-hero .circuit path{fill:none;stroke:var(--volt);stroke-width:2;stroke-linecap:square;stroke-dasharray:140 2200;stroke-dashoffset:2340;filter:drop-shadow(0 0 6px rgba(255,191,0,.8));animation:run 7s linear infinite}
.page-hero .circuit path:nth-child(2){animation-delay:-3.4s;animation-duration:9s}
.ph-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.ph-grid>*{min-width:0}
.page-hero.has-media h1{max-width:18ch}
.ph-frame{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/11;box-shadow:0 36px 80px rgba(0,0,0,.5);background:var(--ink-2)}
.ph-frame::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,transparent 55%,rgba(11,15,20,.45));pointer-events:none}
.ph-frame img{width:100%;height:100%;object-fit:cover;transform:scale(1.04);animation:drift 22s ease-in-out infinite alternate}
.ph-frame.art{display:grid;place-items:center;background:radial-gradient(ellipse at 50% 30%,#1a2433,var(--ink) 72%)}
.ph-frame.art .genart{padding:1.4rem 1.8rem;max-width:480px}
.ph-media{position:relative}
.ph-media::before{content:"";position:absolute;inset:-12px 12px 12px -12px;border:1px solid rgba(255,191,0,.5);border-radius:var(--radius);z-index:-1}
@media (max-width:860px){.ph-grid{grid-template-columns:1fr}.ph-media{order:-1}.page-hero.has-media h1{max-width:none}.hs-frame{aspect-ratio:4/5.3}}
@media (prefers-reduced-motion:reduce){.hs-track{transition:none}.hs-dot.on i::after{animation:none;transform:scaleX(1)}.flow,.gnode.gen rect,.gnode.gen text,.status{animation:none!important}.flow.g2,.flow.g3{opacity:1}.page-hero .circuit{display:none}}

/* ===== hero background illustrations (Residential house / Commercial building) ===== */
.page-hero.has-art{padding:clamp(4rem,7vw,6.5rem) 0 clamp(4.5rem,7.5vw,7rem)}
.hero-art{position:absolute;right:0;bottom:0;width:min(54%,760px);z-index:-1;pointer-events:none;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24%);mask-image:linear-gradient(90deg,transparent 0,#000 24%)}
.hero-art svg{width:100%;height:auto;display:block;overflow:visible}
.hero-art .ln{fill:none;stroke:rgba(255,255,255,.42);stroke-width:1.6;stroke-linejoin:round;stroke-linecap:round}
.hero-art .ln.a{stroke:var(--volt);stroke-width:2}
.hero-art .ln.thin{stroke:rgba(255,255,255,.2);stroke-width:1.1}
.hero-art .ln.draw{stroke-dasharray:1;stroke-dashoffset:1;animation:artdraw 2.6s var(--ease) .2s forwards}
@keyframes artdraw{to{stroke-dashoffset:0}}
.hero-art .win{fill:rgba(255,255,255,.04);stroke:rgba(255,255,255,.28);stroke-width:1.2}
.hero-art .win.lit{fill:rgba(255,191,0,.5);stroke:var(--volt);filter:drop-shadow(0 0 7px rgba(255,191,0,.65));animation:winglow 5.5s ease-in-out infinite}
@keyframes winglow{0%,100%{fill-opacity:.55}50%{fill-opacity:.28}}
.hero-art .wire{fill:none;stroke:rgba(255,255,255,.3);stroke-width:1.4}
.hero-art .flow{fill:none;stroke:var(--volt);stroke-width:2.4;stroke-linecap:round;stroke-dasharray:10 26;filter:drop-shadow(0 0 5px rgba(255,191,0,.9));animation:flow 1.2s linear infinite}
.hero-art .flow.base{stroke-width:2;stroke-dasharray:16 80;opacity:.8;animation-duration:3.4s}
@media (max-width:860px){.hero-art{width:100%;opacity:.3;-webkit-mask-image:none;mask-image:none}}
@media (prefers-reduced-motion:reduce){.hero-art .ln.draw{stroke-dashoffset:0;animation:none}.hero-art .win.lit,.hero-art .flow{animation:none}}
.page-hero.has-art .lead{max-width:44ch!important}
.page-hero.has-art h1{max-width:16ch}
.hero-art{width:min(50%,700px)}