:root{
  --bg:#04090c; --bg2:#081116; --panel:#0b151a;
  --green:#8fe000; --green2:#b7ff38; --text:#f5f7f8;
  --muted:#aab5ba; --line:rgba(255,255,255,.13);
  --max:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(92%,var(--max));margin:auto}
header{
  position:fixed;inset:0 0 auto 0;z-index:1000;
  background:rgba(3,7,10,.93);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{width:175px; padding-top: 20px}
.nav-links{display:flex;gap:26px;list-style:none}
.nav-links a{font-family:"Barlow Condensed",sans-serif;font-size:20px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.nav-links a:hover,.nav-links a.active{color:var(--green)}
.call{
  border:1px solid var(--green);border-radius:6px;padding:10px 16px;
  color:var(--green);font-size:12px;font-weight:800;white-space:nowrap
}
.call:hover{background:var(--green);color:#071008}
.menu{display:none;background:none;color:#fff;border:1px solid var(--line);padding:8px 11px;border-radius:5px;font-size:22px}

.hero{
  min-height:720px;padding-top:82px;display:flex;align-items:center;
  position:relative;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(2,6,8,.98) 0%,rgba(2,6,8,.92) 28%,rgba(2,6,8,.48) 58%,rgba(2,6,8,.42) 100%),
    url("../images/generator.webp") center/cover;
}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
.hero-content{position:relative;z-index:2;max-width:700px}
.eyebrow{color:var(--green);font-size:13px;font-weight:800;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
h1,h2,h3,h4{font-family:"Barlow Condensed",sans-serif;text-transform:uppercase}
h1{font-size:clamp(55px,7.2vw,94px);line-height:.87;margin-bottom:25px}
h1 span,h2 span{color:var(--green)}
.hero p{max-width:610px;color:#e0e5e7;font-size:17px;margin-bottom:28px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:50px;padding:0 23px;border-radius:5px;border:1px solid var(--green);
  font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.4px;transition:.2s;cursor:pointer
}
.primary{background:var(--green);color:#061006}.primary:hover{background:var(--green2);transform:translateY(-2px)}
.outline{color:#fff;background:rgba(0,0,0,.22)}.outline:hover{background:var(--green);color:#061006}

.trust{margin-top:-55px;position:relative;z-index:5;padding-bottom:65px}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#091218;border:1px solid var(--line)}
.trust-item{padding:24px 20px;display:flex;gap:14px;border-right:1px solid var(--line)}
.trust-item:last-child{border:0}
.ticon{font-size:32px;color:var(--green);line-height:1}
.trust strong{display:block;font-family:"Barlow Condensed";font-size:18px;text-transform:uppercase}
.trust small{display:block;color:var(--muted);font-size:11px;margin-top:2px}

section{padding:88px 0}
.heading{text-align:center;max-width:760px;margin:0 auto 45px}
.heading h2{font-size:clamp(40px,5vw,58px);line-height:.95}
.heading p{color:var(--muted);margin-top:13px;font-size:14px}

.equipment{background:linear-gradient(rgba(4,9,12,.95),rgba(4,9,12,.98)),url("../images/generator.webp") center/cover}
.equipment-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{background:linear-gradient(180deg,#0b171d,#071015);border:1px solid var(--line);border-radius:7px;overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-6px);border-color:rgba(143,224,0,.6);box-shadow:0 18px 45px rgba(0,0,0,.35)}
.card-img{height:185px;background:#101a1f;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-icon{height:185px;display:grid;place-items:center;background:radial-gradient(circle at center,rgba(143,224,0,.1),transparent 58%)}
.card-icon svg{width:78px;height:78px;stroke:var(--green);fill:none;stroke-width:1.5}
.card-body{padding:19px}
.card h3{color:var(--green);font-size:25px;line-height:1;margin-bottom:9px}
.card p{color:var(--muted);font-size:12px}
.card .link{display:inline-block;color:var(--green);font-size:10px;font-weight:800;text-transform:uppercase;margin-top:14px}

.why{background:#081116}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.why-card{text-align:center;padding:37px 23px;border-right:1px solid var(--line)}
.why-card:last-child{border:0}
.why-icon{font-size:42px;color:var(--green);margin-bottom:10px}
.why-card h3{font-size:24px;margin-bottom:8px}
.why-card p{color:var(--muted);font-size:12px}

.industry-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:9px}
.industry{
  min-height:205px;border:1px solid var(--line);border-radius:6px;overflow:hidden;
  display:flex;align-items:flex-end;position:relative;padding:15px;
  background:center/cover no-repeat;transition:.25s
}
.industry:before{content:"";position:absolute;inset:0;background:linear-gradient(transparent 18%,rgba(1,5,7,.97))}
.industry:hover{transform:translateY(-5px);border-color:var(--green)}
.industry span{position:relative;z-index:1;width:100%;text-align:center;font-family:"Barlow Condensed";font-size:20px;line-height:1;text-transform:uppercase}
.i-construction{background-image:url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=700&q=80")}
.i-plants{background-image:url("https://images.unsplash.com/photo-1581092160607-ee22621dd758?auto=format&fit=crop&w=700&q=80")}
.i-hotels{background-image:url("https://images.unsplash.com/photo-1566073771259-6a8506099945?auto=format&fit=crop&w=700&q=80")}
.i-events{background-image:url("../images/scene-industrial.webp")}
.i-villas{background-image:url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=700&q=80")}
.i-commercial{background-image:url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=700&q=80")}
.i-emergency{background-image:url("https://images.unsplash.com/photo-1581092795360-fd1ca04f0952?auto=format&fit=crop&w=700&q=80")}

.cta{background:linear-gradient(90deg,var(--green),#72b800);color:#061006;padding:62px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}
.cta h2{font-size:clamp(38px,5vw,57px);line-height:.9}
.cta p{margin-top:8px}
.cta .btn{background:#061006;color:#fff;border-color:#061006}

.contact{
  background:linear-gradient(90deg,rgba(4,9,12,.97),rgba(4,9,12,.9)),
  url("../images/scene-industrial.webp") center/cover
}
.contact-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:55px;align-items:start}
.contact-copy h2{font-size:clamp(42px,5vw,58px);line-height:.92;margin-bottom:13px}
.contact-copy>p{color:var(--muted);font-size:14px;margin-bottom:25px}
.points{display:grid;gap:13px}
.point{display:flex;gap:11px}.point b{color:var(--green)}.point strong{display:block;font-size:12px}.point span{display:block;color:var(--muted);font-size:11px}
.form{background:rgba(10,23,29,.96);border:1px solid var(--line);border-radius:7px;padding:27px}
.form h3{font-size:31px}.form>p{color:var(--muted);font-size:12px;margin-bottom:19px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.field{display:flex;flex-direction:column;gap:5px}.full{grid-column:1/-1}
label{font-size:10px;font-weight:800;text-transform:uppercase;color:#d6dde0}
input,select,textarea{width:100%;border:1px solid var(--line);background:#061016;color:#fff;padding:12px 13px;border-radius:4px;outline:0;font:inherit;font-size:12px}
input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 2px rgba(143,224,0,.08)}
textarea{min-height:95px;resize:vertical}
.submit{width:100%;margin-top:14px}
.note{display:none;color:var(--green);font-size:11px;border:1px solid var(--green);padding:9px;margin-top:10px}

footer{background:#020608;border-top:1px solid var(--line);padding:48px 0 17px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px}
.footer-logo{width:165px}
.footer-brand p,.footer-links a,.footer-contact{font-size:11px;color:var(--muted)}
.footer-brand p{max-width:330px;margin-top:12px}
footer h4{font-size:21px;margin-bottom:12px}
.footer-links{list-style:none;display:grid;gap:5px}.footer-links a:hover{color:var(--green)}
.footer-contact{display:grid;gap:7px}.footer-contact a:hover{color:var(--green)}
.socials{display:flex;gap:8px}.social{width:33px;height:33px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--green);font-size:11px}
.social:hover{background:var(--green);color:#061006}
.copyright{border-top:1px solid var(--line);padding-top:15px;display:flex;justify-content:space-between;color:#657178;font-size:10px}

@media(max-width:1100px){
  .nav-links{gap:14px}.call{display:none}
  .equipment-grid{grid-template-columns:repeat(2,1fr)}
  .industry-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:850px){
  .menu{display:block}
  .nav-links{display:none;position:absolute;left:4%;right:4%;top:76px;flex-direction:column;background:#050b0f;border:1px solid var(--line);padding:15px}
  .nav.open .nav-links{display:flex}
  .trust-grid,.why-grid{grid-template-columns:1fr 1fr}
  .trust-item:nth-child(2),.why-card:nth-child(2){border-right:0}
  .contact-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .nav{height:74px}.logo{width:145px}
  .hero{min-height:650px;padding-top:74px;background-position:60% center}
  h1{font-size:55px}.hero p{font-size:14px}
  .trust-grid,.equipment-grid,.why-grid,.industry-grid,.footer-grid{grid-template-columns:1fr}
  .trust-item,.why-card{border-right:0;border-bottom:1px solid var(--line)}
  .trust-item:last-child,.why-card:last-child{border-bottom:0}
  .form-grid{grid-template-columns:1fr}.full{grid-column:auto}
  .form{padding:20px}.industry{min-height:180px}
  .copyright{flex-direction:column}
}

/* ============================================================
   v1 additions — FAQ, floating WhatsApp, form success/error
   ============================================================ */

/* ---- FAQ ---- */
.faq{background:#081116}
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:11px}
.faq-list details{
  background:linear-gradient(180deg,#0b171d,#071015);
  border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:border-color .2s
}
.faq-list details[open]{border-color:rgba(143,224,0,.45)}
.faq-list summary{
  list-style:none;cursor:pointer;padding:17px 52px 17px 20px;position:relative;
  font-family:"Barlow Condensed",sans-serif;font-weight:700;text-transform:uppercase;
  font-size:18px;letter-spacing:.02em;color:var(--text);line-height:1.15
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";position:absolute;right:19px;top:50%;transform:translateY(-50%);
  color:var(--green);font-size:26px;font-weight:400;line-height:1;transition:transform .2s
}
.faq-list details[open] summary::after{content:"–"}
.faq-list summary:hover{color:var(--green)}
.faq-list .faq-a{padding:0 20px 18px;color:var(--muted);font-size:13.5px}
.faq-list .faq-a a{color:var(--green)}

/* ---- Floating WhatsApp button ---- */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:900;
  width:56px;height:56px;border-radius:50%;
  background:#25d366;color:#fff;display:grid;place-items:center;
  box-shadow:0 8px 24px rgba(0,0,0,.35);transition:transform .2s,box-shadow .2s
}
.wa-float:hover{transform:scale(1.07);box-shadow:0 12px 30px rgba(37,211,102,.45)}
.wa-float svg{display:block}
@media(max-width:600px){.wa-float{right:15px;bottom:15px;width:52px;height:52px}}

/* ---- Form success / error states ---- */
.note{display:none;font-size:11.5px;padding:10px 12px;margin-top:12px;border-radius:5px}
.note-ok{color:var(--green);border:1px solid var(--green);background:rgba(143,224,0,.06)}
.note-err{color:#ff8f6b;border:1px solid #ff8f6b;background:rgba(255,143,107,.06)}
.note.show{display:block}
.hp{position:absolute;left:-9999px}

/* nav gets a little tighter now there's an extra link */
@media(max-width:1100px){.nav-links{gap:12px}}

/* ============================================================
   v1.1 — KVA Calculator page
   ============================================================ */
.calc-hero{padding:120px 0 30px;background:linear-gradient(rgba(4,9,12,.86),rgba(4,9,12,.97)),url("../images/generator.webp") center/cover}
.calc-hero .eyebrow{margin-bottom:10px}
.calc-hero h1{font-size:clamp(42px,6vw,74px);line-height:.9;margin-bottom:16px}
.calc-hero p{max-width:640px;color:#dfe4e6;font-size:16px}

.calc-wrap{padding:40px 0 88px}
.calc-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:26px;align-items:start}

.calc-panel{background:linear-gradient(180deg,#0b171d,#071015);border:1px solid var(--line);border-radius:10px;padding:22px}
.calc-tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap;align-items:center}
.calc-tab{background:#0a141a;border:1px solid var(--line);color:var(--muted);border-radius:6px;padding:9px 15px;font-family:"Barlow Condensed",sans-serif;font-weight:700;text-transform:uppercase;font-size:14px;letter-spacing:.03em;cursor:pointer;transition:.18s}
.calc-tab:hover{color:var(--text)}
.calc-tab.active{background:var(--green);color:#061006;border-color:var(--green)}
.calc-reset{margin-left:auto;background:none;border:1px solid var(--line);color:var(--muted);border-radius:6px;padding:9px 13px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;cursor:pointer}
.calc-reset:hover{color:var(--green);border-color:var(--green)}
.calc-help{color:var(--muted);font-size:12.5px;margin-bottom:16px}
.calc-help b{color:var(--green)}

.calc-group{margin-bottom:18px}
.calc-group h4{font-size:16px;color:var(--green);letter-spacing:.03em;padding-bottom:7px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.calc-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 10px;border-radius:7px;transition:background .15s}
.calc-row.active{background:rgba(143,224,0,.07)}
.calc-row-label{display:flex;flex-direction:column;line-height:1.25}
.calc-row-label span{font-size:13.5px;color:var(--text)}
.calc-row-label small{font-size:10.5px;color:var(--muted);font-family:"IBM Plex Mono",monospace}
.stepper{display:flex;align-items:center;gap:0;flex:none;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.step-btn{width:34px;height:34px;background:#0a141a;color:var(--green);border:0;font-size:19px;line-height:1;cursor:pointer;transition:.15s}
.step-btn:hover{background:var(--green);color:#061006}
.step-val{min-width:34px;text-align:center;font-family:"IBM Plex Mono",monospace;font-size:14px;font-variant-numeric:tabular-nums}

.kw-form{display:grid;gap:14px}
.kw-form .field{display:flex;flex-direction:column;gap:6px}
.kw-form label{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#d6dde0}
.kw-form input,.kw-form select{width:100%;border:1px solid var(--line);background:#061016;color:#fff;padding:12px 13px;border-radius:5px;outline:0;font:inherit;font-size:14px}
.kw-form input:focus,.kw-form select:focus{border-color:var(--green);box-shadow:0 0 0 2px rgba(143,224,0,.08)}

.calc-result{position:sticky;top:100px}
.result-inner{background:linear-gradient(180deg,#0c1a12,#08120c);border:1px solid rgba(143,224,0,.35);border-radius:10px;padding:24px}
.result-label{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.result-empty{color:var(--muted);font-size:13px;padding:24px 0;text-align:center}
.result-rec{font-family:"Barlow Condensed",sans-serif;font-weight:800;color:var(--green);font-size:clamp(58px,9vw,84px);line-height:.9;margin:10px 0 4px}
.result-rec span{font-size:.32em;color:var(--text);letter-spacing:.02em}
.result-cont{color:var(--muted);font-size:12px;margin-bottom:18px}
.result-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:7px;overflow:hidden;margin-bottom:18px}
.result-stats>div{background:#0a1510;padding:12px 14px}
.result-stats span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:3px}
.result-stats strong{font-family:"Barlow Condensed",sans-serif;font-size:22px;color:var(--text)}
.result-cta{display:flex;flex-direction:column;gap:9px;margin-bottom:16px}
.result-cta .btn{width:100%}
.result-note{color:#8b948f;font-size:11px;line-height:1.5}

@media(max-width:900px){
  .calc-grid{grid-template-columns:1fr}
  .calc-result{position:static;order:-1}
}
@media(max-width:600px){
  .calc-hero{padding:104px 0 26px}
  .calc-row-label span{font-size:12.5px}
}

/* prefilled-from-calculator field highlight */
input.prefilled{border-color:var(--green);box-shadow:0 0 0 2px rgba(143,224,0,.12)}