:root{--bg:#0b0d12;--surface:#141821;--surface-2:#1b2030;--line:#262d3f;--text:#f4f6fb;--muted:#a9b2c6;--brand:#ffc61a;--brand-ink:#1a1400;--ok:#3ddc97;--r:16px;--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:400 17px/1.6 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;padding-bottom:76px}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:'Barlow Condensed',Impact,sans-serif;line-height:1.05;letter-spacing:.01em;text-transform:uppercase;font-weight:800}
h1{font-size:clamp(2.6rem,8vw,5.2rem)}
h2{font-size:clamp(2rem,5vw,3.2rem)}
h3{font-size:1.5rem}
.wrap{width:min(1160px,100% - 32px);margin-inline:auto}
section{padding:80px 0}
.eyebrow{color:var(--brand);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;margin-bottom:12px}
.lead{color:var(--muted);max-width:62ch;margin-top:14px}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--brand);color:var(--brand-ink);padding:10px 16px;border-radius:8px;z-index:200}
.skip:focus{left:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;font-weight:600;text-decoration:none;border:2px solid transparent;cursor:pointer;font:600 1rem Inter,sans-serif;transition:transform .2s var(--ease),background .2s,box-shadow .2s;touch-action:manipulation}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--brand);color:var(--brand-ink)}
.btn-primary:hover{box-shadow:0 0 0 6px rgba(255,198,26,.2)}
.btn-ghost{border-color:var(--line);background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:var(--brand)}
svg.i{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(11,13,18,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.nav img{height:48px;width:auto;border-radius:6px}
.nav nav{display:flex;gap:26px}
.nav nav a{text-decoration:none;color:var(--muted);font-weight:500;font-size:.95rem;padding:10px 0}
.nav nav a:hover{color:var(--text)}
.nav .btn{min-height:44px;padding:0 20px}
@media(max-width:860px){.nav nav{display:none}}

/* hero */
.hero{position:relative;overflow:hidden;padding:56px 0 72px;isolation:isolate}
#spark{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 60% at 25% 40%,rgba(11,13,18,.55),rgba(11,13,18,.92))}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1 em{font-style:normal;color:var(--brand);text-shadow:0 0 28px rgba(255,198,26,.45)}
.hero p.lead{font-size:1.15rem;color:#cdd4e4}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;color:var(--muted);font-size:.92rem;list-style:none;padding:0}
.trust li{display:flex;gap:8px;align-items:center}
.trust svg{color:var(--ok);width:18px;height:18px}
.hero-img{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/5;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.hero-img img{width:100%;height:100%;object-fit:cover}
.badge{position:absolute;left:14px;bottom:14px;background:rgba(11,13,18,.85);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:12px;padding:10px 14px;font-size:.85rem;display:flex;gap:10px;align-items:center}
.badge b{color:var(--brand)}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--ok);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(61,220,151,.6)}100%{box-shadow:0 0 0 12px rgba(61,220,151,0)}}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-img{aspect-ratio:16/11}}

/* strip */
.strip{background:var(--brand);color:var(--brand-ink);padding:18px 0;overflow:hidden}
.strip ul{display:flex;gap:40px;list-style:none;padding:0;white-space:nowrap;animation:marq 32s linear infinite;width:max-content}
.strip li{font:800 1.25rem 'Barlow Condensed',sans-serif;text-transform:uppercase;display:flex;gap:40px;align-items:center}
.strip li::after{content:"⚡"}
@keyframes marq{to{transform:translateX(-50%)}}

/* services */
.grid{display:grid;gap:20px;margin-top:40px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .3s var(--ease),border-color .3s}
.card:hover{transform:translateY(-4px);border-color:var(--brand)}
.card .ic{width:48px;height:48px;border-radius:12px;background:rgba(255,198,26,.12);color:var(--brand);display:grid;place-items:center;margin-bottom:16px}
.card p{color:var(--muted);font-size:.96rem;margin-top:8px}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:40px}
.gal figure{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:3/4;background:var(--surface)}
.gal figure:nth-child(1),.gal figure:nth-child(6){grid-row:span 1}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.gal figure:hover img{transform:scale(1.05)}
.gal figcaption{position:absolute;inset:auto 0 0;padding:34px 14px 12px;font-size:.88rem;font-weight:500;background:linear-gradient(transparent,rgba(0,0,0,.85))}
@media(max-width:860px){.gal{grid-template-columns:repeat(2,1fr)}}

/* solar band */
.band{background:linear-gradient(135deg,var(--surface),var(--surface-2));border-block:1px solid var(--line)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split img{border-radius:24px;aspect-ratio:4/5;object-fit:cover;width:100%}
.ticks{list-style:none;padding:0;margin:22px 0 28px;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start}
.ticks svg{color:var(--brand);margin-top:3px}
@media(max-width:860px){.split{grid-template-columns:1fr}}

/* areas */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.chips span{border:1px solid var(--line);background:var(--surface);padding:10px 18px;border-radius:999px;font-size:.95rem}

/* why */
.steps{counter-reset:s;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));margin-top:40px}
.steps div{counter-increment:s;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.steps div::before{content:"0" counter(s);font:800 2.6rem 'Barlow Condensed';color:var(--brand)}
.steps p{color:var(--muted);margin-top:6px;font-size:.96rem}

/* faq */
details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-top:12px}
summary{cursor:pointer;font-weight:600;min-height:28px}
details p{color:var(--muted);margin-top:10px}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
form{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;display:grid;gap:16px}
label{font-weight:500;font-size:.92rem;display:grid;gap:6px}
input,select,textarea{width:100%;min-height:50px;background:var(--bg);border:1px solid var(--line);border-radius:12px;color:var(--text);padding:12px 14px;font:inherit}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(255,198,26,.25)}
.ok{display:none;color:var(--ok);font-weight:600}
.phones{display:grid;gap:12px;margin-top:24px}
.phones a{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 20px;text-decoration:none;font-weight:600;min-height:56px}
.phones a:hover{border-color:var(--brand)}
.phones small{display:block;color:var(--muted);font-weight:400}
@media(max-width:860px){.contact{grid-template-columns:1fr}}

footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:.9rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
footer img{height:56px;border-radius:6px}

/* sticky mobile CTA */
.sticky{position:fixed;inset:auto 0 0;z-index:60;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(11,13,18,.95);backdrop-filter:blur(12px);border-top:1px solid var(--line)}
@media(min-width:861px){.sticky{display:none}body{padding-bottom:0}}

.rv{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}}

/* ---- multi-page additions ---- */
.menu-btn{display:none;min-width:44px;min-height:44px;background:none;border:1px solid var(--line);border-radius:10px;color:var(--text);cursor:pointer}
.nav nav a[aria-current=page]{color:var(--brand)}
.nav-right{display:flex;gap:12px;align-items:center}
@media(max-width:860px){
 .menu-btn{display:grid;place-items:center}
 .nav nav{position:absolute;top:68px;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:8px 16px 16px;display:none}
 .nav nav.open{display:flex}
 .nav nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
 .nav-right .btn{display:none}
}
.dd{position:relative}
.page-hero{position:relative;overflow:hidden;isolation:isolate;padding:64px 0 56px;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(70% 120% at 85% 0,rgba(255,198,26,.14),transparent 60%)}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--brand)}
.prose{max-width:70ch}
.prose h2{margin:44px 0 12px;font-size:clamp(1.7rem,4vw,2.4rem)}
.prose h3{margin:28px 0 8px}
.prose p,.prose li{color:#cfd6e6}
.prose p+p{margin-top:14px}
.prose ul{padding-left:1.2em;display:grid;gap:8px;margin-top:10px}
.two{display:grid;grid-template-columns:1fr 360px;gap:56px;align-items:start}
@media(max-width:960px){.two{grid-template-columns:1fr}}
.aside{position:sticky;top:90px;display:grid;gap:16px}
.aside .box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.aside img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
.aside .btn{width:100%}
.aside p{color:var(--muted);font-size:.95rem;margin:6px 0 14px}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.links a{border:1px solid var(--line);background:var(--surface);padding:10px 18px;border-radius:999px;text-decoration:none;font-size:.95rem;min-height:44px;display:inline-flex;align-items:center}
.links a:hover{border-color:var(--brand);color:var(--brand)}
.cta-band{background:var(--brand);color:var(--brand-ink);padding:56px 0}
.cta-band .wrap{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center}
.cta-band h2{max-width:20ch}
.cta-band .btn-dark{background:var(--brand-ink);color:#fff}
.cta-band .btn-line{border-color:var(--brand-ink);color:var(--brand-ink)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-top:36px}
.stats div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.stats b{display:block;font:800 2.4rem 'Barlow Condensed';color:var(--brand)}
.stats span{color:var(--muted);font-size:.92rem}
.card a.more{color:var(--brand);font-weight:600;text-decoration:none;display:inline-block;margin-top:12px;min-height:24px}
.card h3 a{text-decoration:none}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;width:min(1160px,100% - 32px);margin:0 auto 28px}
.foot-grid h4{color:var(--text);font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.foot-grid ul{list-style:none;padding:0;display:grid;gap:4px}
.foot-grid a{text-decoration:none;display:inline-block;padding:6px 0}.foot-grid a:hover{color:var(--brand)}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
.legal{width:min(1160px,100% - 32px);margin:0 auto;border-top:1px solid var(--line);padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
footer .wrap{display:block}