:root{
  --bg:#0b0b0c; --bg2:#121214; --bg3:#17171a; --ink:#f7f7f5; --muted:#c9c9cf; --dim:#9a9aa2;
  --line:rgba(255,255,255,.14); --amber:#d9a441; --amber2:#e8b95a; --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Inter,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--amber);color:#000}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;z-index:100;background:#fff;color:#000;padding:10px 16px;border-radius:8px}
/* Header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:60;background:rgba(11,11,12,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1240px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.22em;font-size:14px;white-space:nowrap}
.logo-mark{width:32px;height:32px;flex:0 0 auto}
.logo small{display:block;font-weight:400;letter-spacing:.28em;font-size:9px;color:var(--dim)}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav a:hover,.nav a:focus{color:#fff}
.has-drop{position:relative}
.drop-btn{background:none;border:0;color:var(--muted);font:inherit;font-size:13px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;padding:6px 0}
.drop{position:absolute;left:-12px;top:100%;background:var(--bg3);border:1px solid var(--line);border-radius:12px;padding:10px;min-width:300px;display:none;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.has-drop:hover .drop,.has-drop:focus-within .drop{display:block}
.drop a{display:block;padding:10px 12px;text-transform:none;letter-spacing:0;font-size:15px;color:var(--muted);border-radius:8px}
.drop a:hover{background:rgba(255,255,255,.06);color:#fff}
.btn{display:inline-block;padding:15px 30px;border-radius:999px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;border:1px solid transparent;cursor:pointer;transition:.2s;text-align:center}
.btn-amber{background:var(--amber);color:#111}
.btn-amber:hover{background:var(--amber2)}
.btn-ghost{border-color:var(--line);color:#fff}
.btn-ghost:hover{border-color:#fff}
.btn-sm{padding:11px 20px;font-size:12px}
.btn-block{width:100%}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:#fff;border-radius:10px;padding:10px 14px;font-size:14px;cursor:pointer}
.mobile-nav{display:none;border-top:1px solid var(--line);padding:12px 24px 20px;background:var(--bg)}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px}
.mobile-nav .btn{margin-top:14px}
@media(max-width:900px){.nav{display:none}.menu-btn{display:block}}
main{padding-top:64px}
/* Hero */
.hero{position:relative;display:flex;align-items:center;min-height:640px;background:url('images/service-solar.webp') center/cover no-repeat,#000}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.88) 0%,rgba(0,0,0,.62) 55%,rgba(0,0,0,.25) 100%),linear-gradient(to top,rgba(0,0,0,.85),transparent 60%)}
.hero-inner{position:relative;z-index:2;max-width:1240px;margin:0 auto;padding:72px 24px;width:100%}
.eyebrow{font-size:12px;letter-spacing:.32em;text-transform:uppercase;color:var(--amber2);margin-bottom:18px;font-weight:700}
.hero h1{font-size:clamp(38px,6.2vw,76px);line-height:1.02;font-weight:850;letter-spacing:-.02em;max-width:900px}
.hero h2{font-size:clamp(18px,2.6vw,28px);font-weight:400;color:#e8e8ec;margin-top:16px;letter-spacing:.01em}
.hero p{margin-top:18px;max-width:640px;color:#e2e2e8;font-size:17px;line-height:1.7}
.hero-ctas{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.location{margin-top:26px;display:inline-flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;color:#e2e2e8;background:rgba(0,0,0,.45)}
.location b{color:var(--amber2)}
.hero-note{margin-top:14px;font-size:13px;color:var(--dim)}
@media(max-width:700px){.hero{min-height:0}.hero-inner{padding:52px 20px 44px}.hero p{font-size:16px}}
/* Sections */
section{padding:84px 24px;max-width:1240px;margin:0 auto}
section.tight{padding-top:40px}
.sec-head{margin-bottom:40px;max-width:760px}
.sec-head h2{font-size:clamp(30px,4.8vw,52px);line-height:1.05;font-weight:850;letter-spacing:-.01em;text-transform:uppercase}
.sec-head h2 .thin{font-weight:300}
.sec-head p{color:var(--muted);margin-top:14px;font-size:17px;line-height:1.7}
.kicker{font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--amber2);font-weight:700;margin-bottom:12px}
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;white-space:nowrap;padding:16px 0}
.marquee-track{display:inline-block;animation:scroll 30s linear infinite}
.marquee span{font-size:13px;letter-spacing:.28em;text-transform:uppercase;color:var(--dim);margin:0 24px}
.marquee span b{color:#fff}
@keyframes scroll{to{transform:translateX(-50%)}}
.cred{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.cred div{background:var(--bg2);padding:22px 18px;text-align:center}
.cred b{display:block;font-size:15px}
.cred span{font-size:13px;color:var(--dim)}
@media(max-width:900px){.cred{grid-template-columns:repeat(2,1fr)}.cred div:last-child{grid-column:1/-1}}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.card{background:var(--bg2);border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .3s,border-color .3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.32)}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.card-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-tag{font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--amber2);font-weight:700}
.card h3{font-size:23px;line-height:1.2}
.card p,.card li{color:var(--muted);font-size:15px;line-height:1.7}
.card ul{list-style:none;display:grid;gap:8px}
.card li{padding-top:8px;border-top:1px solid var(--line)}
.card li b{color:#fff;font-weight:600}
.card .btn{margin-top:auto}
.tag{font-size:12px;color:var(--dim);letter-spacing:.08em}
.note{background:var(--bg2);border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:12px;padding:20px 22px;color:var(--muted);line-height:1.7}
.note b{color:#fff}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{border:1px solid var(--line);border-radius:20px;padding:28px;background:var(--bg2)}
.step .num{font-size:12px;letter-spacing:.28em;color:var(--amber2);font-weight:700;text-transform:uppercase}
.step h3{font-size:20px;margin:12px 0 8px}
.step p{color:var(--muted);font-size:15px;line-height:1.7}
.faq details{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:20px 22px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:700;font-size:17px}
.faq p{color:var(--muted);margin-top:10px;line-height:1.7}
/* Portfolio */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.filters button{background:none;border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:9px 18px;cursor:pointer;font-size:14px}
.filters button.active,.filters button:hover{background:var(--amber);color:#111;border-color:var(--amber)}
.port-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.port-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.port-grid{grid-template-columns:1fr}}
.port-item{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--bg2);cursor:pointer;text-align:left;color:inherit;font:inherit}
.port-item img{aspect-ratio:4/3;object-fit:cover;width:100%}
.port-item figcaption{padding:16px}
.port-item b{display:block}
.port-item span{color:var(--dim);font-size:14px}
dialog{margin:auto;border:1px solid var(--line);border-radius:18px;background:var(--bg2);color:#fff;max-width:900px;width:92%}
dialog::backdrop{background:rgba(0,0,0,.8)}
dialog img{width:100%;max-height:70vh;object-fit:cover}
dialog .dlg-body{padding:20px}
dialog button{margin-top:12px}
/* Form */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start}
@media(max-width:850px){.contact-grid{grid-template-columns:1fr}}
.contact-copy p{color:var(--muted);line-height:1.75;margin-top:16px;font-size:16px}
.contact-copy p b{color:#fff}
form{display:flex;flex-direction:column;gap:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:520px){.row2{grid-template-columns:1fr}}
label{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);display:block}
input,select,textarea{background:#000;border:1px solid var(--line);border-radius:12px;color:#fff;padding:14px 16px;font-size:16px;width:100%;font-family:inherit;margin-top:8px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--amber)}
textarea{min-height:120px;resize:vertical}
fieldset{border:1px solid var(--line);border-radius:14px;padding:18px}
fieldset legend{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--amber2);padding:0 8px}
.form-note{font-size:13px;color:var(--dim)}
.form-ok,.form-err{display:none;border-radius:12px;padding:20px;line-height:1.6}
.form-ok{display:none;border:1px solid rgba(217,164,65,.6);background:rgba(217,164,65,.12)}
.form-err{border:1px solid rgba(255,120,120,.5);background:rgba(255,120,120,.1)}
.form-ok.show,.form-err.show{display:block}
.sticky-cta{position:fixed;bottom:16px;right:16px;z-index:55;display:none}
@media(max-width:900px){.sticky-cta{display:block}}
/* Footer */
footer{border-top:1px solid var(--line);padding:48px 24px}
.foot{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
@media(max-width:850px){.foot{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot{grid-template-columns:1fr}}
.foot h4{font-size:13px;letter-spacing:.2em;text-transform:uppercase;margin-bottom:14px;color:#fff}
.foot a,.foot p{display:block;color:var(--muted);font-size:15px;line-height:1.7;margin-bottom:8px}
.foot a:hover{color:#fff}
.foot-bottom{max-width:1240px;margin:32px auto 0;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--dim);font-size:13px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.marquee-track{animation:none}html{scroll-behavior:auto}}