/* SolarGrid Power Ltd — Minimal Light Redesign 2026
   Clean, minimal, lots of whitespace */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#ffffff;
  --bg-2:#fafbfc;
  --surface:#ffffff;
  --surface-2:#f5f7fa;
  --line:rgba(15,23,42,.08);
  --line-2:rgba(15,23,42,.12);
  --text:#0f172a;
  --text-2:#1e293b;
  --muted:#64748b;
  --primary:#0f9b6c;        /* deep mint */
  --primary-2:#0284c7;      /* sky */
  --accent:#f59e0b;
  --grad:linear-gradient(135deg,#0f9b6c 0%,#0284c7 100%);
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04),0 1px 1px rgba(15,23,42,.03);
  --shadow:0 4px 24px -8px rgba(15,23,42,.08);
  --shadow-lg:0 24px 60px -24px rgba(15,23,42,.18);
  --maxw:1200px;
}
html{scroll-behavior:smooth;scroll-padding-top:120px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
html,body{background:var(--bg);color:var(--text);font-family:'Plus Jakarta Sans',system-ui,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{padding:140px 0;position:relative}
h1,h2,h3,h4{font-weight:600;letter-spacing:-.025em;line-height:1.15;color:var(--text)}
h1{font-size:clamp(2.2rem,4.5vw,3.8rem);font-weight:700}
h2{font-size:clamp(1.8rem,3.2vw,2.6rem)}
h3{font-size:1.2rem}
p{color:var(--muted);font-size:1rem}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;font-size:.72rem;text-transform:uppercase;letter-spacing:.18em;color:var(--primary);background:#fff;margin-bottom:24px;font-weight:600}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary)}
.section-head{max-width:720px;margin:0 auto 90px;text-align:center}
.section-head p{margin-top:20px;font-size:1.08rem;line-height:1.7}
.gradient-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ CUSTOM CURSOR (disabled for minimal) ============ */
.cursor-dot,.cursor-ring{display:none!important}

/* ============ PRELOADER ============ */
#preloader{position:fixed;inset:0;background:#fff;z-index:99999;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:opacity .6s,visibility .6s}
#preloader.done{opacity:0;visibility:hidden}
.pl-logo{width:64px;height:64px;position:relative;margin-bottom:24px}
.pl-logo svg{width:100%;height:100%}
.pl-logo::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:2px solid transparent;border-top-color:var(--primary);animation:pl-spin 1s linear infinite}
@keyframes pl-spin{to{transform:rotate(360deg)}}
.pl-text{font-size:.7rem;letter-spacing:.35em;color:var(--muted);text-transform:uppercase;margin-bottom:14px;font-weight:600}
.pl-bar{width:160px;height:2px;background:var(--surface-2);border-radius:99px;overflow:hidden;position:relative}
.pl-bar::after{content:"";position:absolute;inset:0;background:var(--primary);width:30%;border-radius:99px;animation:pl-load 1.2s cubic-bezier(.4,0,.2,1) infinite}
@keyframes pl-load{0%{left:-30%}100%{left:100%}}
.pl-pct{margin-top:12px;font-size:.78rem;color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}

/* ============ TOP CONTACT BAR ============ */
.topbar{position:fixed;top:0;left:0;right:0;z-index:101;background:var(--text);border-bottom:1px solid var(--line);font-size:.78rem;color:#cbd5e1;transition:transform .35s ease,opacity .35s ease}
.topbar.hide{transform:translateY(-100%);opacity:0;pointer-events:none}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:9px 0;flex-wrap:wrap}
.topbar a{color:#cbd5e1;transition:color .2s}
.topbar a:hover{color:#fff}
.tb-left,.tb-right{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.tb-item{display:inline-flex;align-items:center;gap:6px}
.tb-item svg{width:13px;height:13px;color:#5eead4}
@media (max-width:960px){.topbar{display:none}}

/* ============ NAVBAR ============ */
.nav{position:fixed;top:36px;left:0;right:0;z-index:100;padding:10px 0;transition:top .35s ease,background .3s,padding .3s,border-color .3s,box-shadow .3s;background:rgba(255,255,255,.85);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid transparent}
.nav.scrolled{top:0;background:rgba(255,255,255,.92);border-bottom-color:var(--line);padding:10px 0;box-shadow:0 1px 0 rgba(15,23,42,.04)}
@supports not ((backdrop-filter:blur(20px)) or (-webkit-backdrop-filter:blur(20px))){.nav{background:#fff}}
@media (max-width:960px){.nav{top:0}}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-left:16px;padding-right:16px}
.brand{display:inline-flex;align-items:center}
.brand img{height:42px;width:auto;display:block;transition:height .3s}
.nav.scrolled .brand img{height:36px}
@media (max-width:720px){.brand img{height:36px}.nav.scrolled .brand img{height:32px}}
footer .brand img{width:110px;height:110px}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{padding:8px 16px;border-radius:8px;font-size:.92rem;color:var(--text-2);transition:all .2s;font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--primary);background:transparent}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:99px;font-weight:600;font-size:.9rem;transition:all .25s;white-space:nowrap}
.btn-primary{background:var(--text);color:#fff}
.btn-primary:hover{background:var(--primary);transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--text);background:transparent}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-2);align-items:center;justify-content:center}
.menu-toggle span{width:18px;height:2px;background:var(--text);position:relative;border-radius:99px}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:99px}
.menu-toggle span::before{top:-6px}.menu-toggle span::after{top:6px}

/* ============ HERO + SLIDER ============ */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;padding:180px 0 110px;overflow:hidden;background:#0b1220;color:#fff}
@media (max-width:960px){.hero{min-height:auto;padding:150px 0 80px}}
.slider{position:absolute;inset:0;z-index:0}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.4s ease;transform:scale(1.05)}
.slide.active{opacity:1;transform:scale(1);transition:opacity 1.4s ease,transform 8s ease}
.slide::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(115deg,rgba(8,12,24,.88) 0%,rgba(8,12,24,.65) 50%,rgba(8,12,24,.45) 100%)}
.slide img{width:100%;height:100%;object-fit:cover}
.hero-content{position:relative;z-index:3;width:100%}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:72px;align-items:center}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero .eyebrow{background:var(--grad);color:#fff;border-color:transparent}
.hero .eyebrow::before{background:#fff}
.hero h1{margin-bottom:24px;line-height:1.05;letter-spacing:-.035em;color:#fff}
.hero .gradient-text{background:linear-gradient(90deg,#22d3a8,#7dd3fc);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:1.15rem;max-width:560px;margin-bottom:36px;line-height:1.65;color:rgba(255,255,255,.82)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-primary{background:#fff;color:#0b1220}
.hero .btn-primary:hover{background:var(--primary);color:#fff}
.hero .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.hero .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px;padding-top:32px;border-top:1px solid rgba(255,255,255,.15);max-width:560px}
.stat strong{display:block;font-size:1.85rem;font-weight:700;color:#fff;letter-spacing:-.02em}
.stat span{font-size:.78rem;color:rgba(255,255,255,.65);text-transform:uppercase;letter-spacing:.1em;margin-top:4px;display:block}

.hero-card{background:rgba(255,255,255,.07);backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);padding:30px;color:#fff;box-shadow:0 30px 80px -30px rgba(0,0,0,.6)}
.hero-card h4{margin-bottom:4px;font-size:1.05rem;color:#fff}
.hero-card .sub{font-size:.82rem;color:rgba(255,255,255,.65);margin-bottom:18px}
.hc-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.hc-row:last-child{border:none;padding-bottom:0}
.hc-row:first-of-type{padding-top:8px}
.hc-icon{width:40px;height:40px;border-radius:10px;background:rgba(34,211,168,.18);color:#22d3a8;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1rem}
.hc-row strong{font-size:.92rem;display:block;line-height:1.3;color:#fff;font-weight:600}
.hc-row span{font-size:.78rem;color:rgba(255,255,255,.65)}

/* slider arrows + dots */
.slider-nav{position:absolute;inset:0;z-index:4;pointer-events:none;display:flex;align-items:center;justify-content:space-between;padding:0 24px}
.slider-nav button{pointer-events:auto;width:48px;height:48px;border-radius:99px;background:rgba(255,255,255,.12);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.25);color:#fff;font-size:1.6rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .25s}
.slider-nav button:hover{background:#fff;color:#0b1220}
.slider-dots{position:absolute;left:0;right:0;bottom:28px;z-index:4;display:flex;justify-content:center;gap:10px}
.slider-dots button{width:28px;height:4px;border-radius:99px;background:rgba(255,255,255,.35);transition:all .3s}
.slider-dots button.active{background:#fff;width:44px}
@media (max-width:960px){.slider-nav{display:none}}

/* marquee bar */
.marquee{background:var(--bg);border-block:1px solid var(--line);overflow:hidden;padding:24px 0;position:relative;z-index:2}
.marquee-track{display:flex;gap:60px;white-space:nowrap;animation:marq 40s linear infinite;width:max-content}
.marquee span{font-size:.95rem;color:var(--muted);display:inline-flex;align-items:center;gap:60px;font-weight:500}
.marquee span::after{content:"·";color:var(--line-2);font-size:1.2rem}
@keyframes marq{to{transform:translateX(-50%)}}

/* ============ FEATURES / WHY ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;transition:all .3s}
.feature:hover{border-color:var(--line-2);box-shadow:var(--shadow);transform:translateY(-2px)}
.feature::before{display:none}
.feature-icon{width:48px;height:48px;border-radius:12px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:24px;color:var(--primary)}
.feature h3{margin-bottom:10px;font-size:1.1rem}
.feature p{font-size:.95rem;line-height:1.65}

/* ============ SERVICES ============ */
.svc-cat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;transition:all .3s}
.svc-cat:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.svc-cat .num{font-size:.72rem;color:var(--primary);font-weight:700;letter-spacing:.2em;margin-bottom:14px;text-transform:uppercase}
.svc-cat h3{margin-bottom:20px;font-size:1.15rem}
.svc-cat ul{list-style:none}
.svc-cat li{padding:11px 0;border-top:1px solid var(--line);font-size:.92rem;color:var(--text-2);display:flex;align-items:center;gap:10px}
.svc-cat li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--primary);flex-shrink:0}
.svc-cat li:first-child{border-top:none}

/* ============ PRODUCTS ============ */
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .3s;display:flex;flex-direction:column;text-align:left}
.prod:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-lg)}
.prod-img{position:relative;aspect-ratio:1/1;background:var(--surface-2);overflow:hidden}
.prod-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.prod:hover .prod-img img{transform:scale(1.06)}
.prod-img::after{display:none}
.prod-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:6px}
.prod h4{font-size:.98rem;font-weight:600;line-height:1.3;color:var(--text)}
.prod span{font-size:.78rem;color:var(--muted)}

/* ============ CTA / CONTACT ============ */
.cta{background:var(--text);border-radius:var(--radius-lg);padding:90px 60px;text-align:center;position:relative;overflow:hidden;color:#fff}
.cta::before{display:none}
.cta h2{margin-bottom:18px;color:#fff}
.cta p{max-width:520px;margin:0 auto 36px;color:#cbd5e1;font-size:1.05rem}
.cta .hero-cta{justify-content:center}
.cta .btn-primary{background:#fff;color:var(--text)}
.cta .btn-primary:hover{background:var(--primary);color:#fff}
.cta .btn-ghost{border-color:rgba(255,255,255,.2);color:#fff}
.cta .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.05)}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-info{display:grid;gap:14px}
.ci-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;gap:16px;align-items:flex-start;transition:all .25s}
.ci-item:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.ci-item .hc-icon{width:44px;height:44px}
.ci-item strong{display:block;font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.15em;margin-bottom:6px;font-weight:600}
.ci-item p{color:var(--text);font-size:.96rem;margin:0}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.field{margin-bottom:20px}
.field label{display:block;font-size:.82rem;color:var(--text-2);margin-bottom:8px;font-weight:600}
.field input,.field textarea,.field select{width:100%;padding:13px 16px;background:#fff;border:1px solid var(--line-2);border-radius:10px;color:var(--text);font:inherit;transition:all .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,155,108,.1)}
.field textarea{min-height:130px;resize:vertical}

/* ============ FOOTER ============ */
footer{background:var(--bg-2);border-top:1px solid var(--line);padding:100px 0 36px;margin-top:60px;color:var(--text)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:60px;margin-bottom:60px}
.foot-grid h5{font-size:.78rem;text-transform:uppercase;letter-spacing:.18em;margin-bottom:22px;color:var(--text);font-weight:700}
.foot-grid ul{list-style:none}
.foot-grid li{padding:6px 0}
.foot-grid a{color:var(--muted);font-size:.92rem;transition:color .2s}
.foot-grid a:hover{color:var(--primary)}
.foot-bottom{padding-top:32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:.85rem;color:var(--muted)}
.socials{display:flex;gap:8px}
.socials a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;transition:all .2s;color:var(--muted)}
.socials a:hover{background:var(--text);color:#fff;border-color:var(--text)}

/* page header (sub-pages) */
.page-hero{padding:200px 0 100px;text-align:center;background:var(--bg-2);border-bottom:1px solid var(--line)}
.page-hero p{max-width:640px;margin:20px auto 0;font-size:1.08rem}
.crumbs{display:inline-flex;gap:8px;font-size:.82rem;color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--primary)}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:all .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
  section{padding:90px 0}
  .grid-3,.grid-2,.contact-grid,.foot-grid{grid-template-columns:1fr;gap:36px}
  .nav-links{display:none;position:absolute;top:100%;left:16px;right:16px;flex-direction:column;background:#fff;padding:18px;border-radius:14px;border:1px solid var(--line);box-shadow:var(--shadow-lg);align-items:stretch;margin-top:8px}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 16px}
  .menu-toggle{display:flex}
  .nav .btn-primary{display:none}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
  .stat strong{font-size:1.4rem}
  .cta{padding:60px 30px}
  .section-head{margin-bottom:60px}
}

/* ============ PROJECTS ============ */
.proj-filters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:60px}
.pf-btn{padding:9px 20px;border-radius:99px;border:1px solid var(--line-2);color:var(--muted);font-size:.85rem;font-weight:600;background:#fff;transition:all .25s}
.pf-btn:hover{color:var(--text);border-color:var(--text)}
.pf-btn.active{background:var(--text);color:#fff;border-color:var(--text)}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media (max-width:960px){.proj-grid{grid-template-columns:1fr}}
@media (min-width:961px) and (max-width:1180px){.proj-grid{grid-template-columns:repeat(2,1fr)}}
.proj-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:all .35s;will-change:transform}
.proj-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow-lg)}
.proj-card.hide{display:none}
.proj-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.proj-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.proj-card:hover .proj-img img{transform:scale(1.06)}
.proj-img::after{display:none}
.proj-tag{position:absolute;top:14px;left:14px;z-index:2;padding:6px 14px;border-radius:99px;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border:1px solid var(--line);font-size:.72rem;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.1em}
.proj-body{padding:28px}
.proj-cat{font-size:.7rem;color:var(--primary);font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.proj-body h3{margin:10px 0 12px;font-size:1.1rem}
.proj-body p{font-size:.92rem;margin-bottom:18px;line-height:1.65}
.proj-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:.78rem;color:var(--muted);padding-top:16px;border-top:1px solid var(--line)}