:root{
  --bg:#FFFFFF;
  --bg-soft:#F5F7F4;
  --surface:#FFFFFF;
  --line: rgba(18,23,26,0.09);
  --ink:#12171A;
  --muted:#68706B;
  --green:#2F9E4F;
  --green-deep:#1F7A3B;
  --green-tint:#E7F5EA;
  --gold:#F2A93B;
  --blue:#2E7BD6;
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 30px;
  --maxw: 1240px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Sora', sans-serif;
  margin:0;
  letter-spacing:-0.01em;
  color:var(--ink);
}
p{margin:0;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
button{font-family:inherit; cursor:pointer;}
::selection{background:var(--green); color:#fff;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important;}
}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}
@media (max-width:640px){ .wrap{padding:0 20px;} }

/* photo placeholders — swap backgrounds for real photography */
.hero-image{background:url('assets/hero-image.png') center/cover no-repeat;}
.about-image-1{background:url('assets/about-1.png') center/cover no-repeat;}
.about-image-2{background:url('assets/about-2.png') center/cover no-repeat;}
.work-image{background:url('assets/work-section.png') center/cover no-repeat;}
.service-image-1{background:url('assets/service-section-1.png') center/cover no-repeat;}
.service-image-2{background:url('assets/service-section-2.png') center/cover no-repeat;}
.service-image-3{background:url('assets/service-section-3.png') center/cover no-repeat;}
.service-image-4{background:url('assets/service-section-4.png') center/cover no-repeat;}
.gallery-image-1{background:url('assets/gallery-1.png') center/cover no-repeat;}
.gallery-image-2{background:url('assets/gallery-2.png') center/cover no-repeat;}
.gallery-image-3{background:url('assets/gallery-3.png') center/cover no-repeat;}
.gallery-image-4{background:url('assets/gallery-4.png') center/cover no-repeat;}
.gallery-image-5{background:url('assets/gallery-5.png') center/cover no-repeat;}
.gallery-image-6{background:url('assets/work-section.png') center/cover no-repeat;}
.testimonial-image-1{background:url('assets/testimonial-1.png') center/cover no-repeat;}
.testimonial-image-2{background:url('assets/testimonial-2.png') center/cover no-repeat;}
.ph-panelfield{background:linear-gradient(155deg,#7FBF6E 0%, #3F8F52 40%, #123A2A 100%);}
.ph-panelclose{background:linear-gradient(155deg,#2E7BD6 0%, #123A63 75%);}
.ph-worker{background:linear-gradient(155deg,#E8C27A 0%, #B9832E 50%, #3A2408 100%);}
.ph-ev{background:linear-gradient(155deg,#8CD3C6 0%, #1F7A6E 60%, #0B241F 100%);}
.ph-battery{background:linear-gradient(155deg,#C9CEDA 0%, #5A6478 55%, #1B1F29 100%);}
.ph-roof{background:linear-gradient(155deg,#F2C879 0%, #D67A2E 55%, #34200B 100%);}
.ph-inverter{background:linear-gradient(155deg,#A9D4A3 0%, #3F8F52 55%, #10261A 100%);}

/* ---------- Header ---------- */
header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--maxw);
  margin:0 auto;
  padding:16px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
@media (max-width:640px){ .nav{padding:14px 20px;} }
.brand{display:flex; align-items:center; gap:10px;}
.brand img{height:38px; width:38px; border-radius:50%; object-fit:cover;}
.brand-name{font-family:'Sora',sans-serif; font-weight:700; font-size:1.02rem; line-height:1.1; color:var(--ink);}
.brand-name span{display:block; font-family:'Inter',sans-serif; font-weight:500; font-size:0.6rem; color:var(--green-deep); letter-spacing:0.06em;}

nav.links{display:flex; gap:32px; align-items:center;}
nav.links a{font-size:0.92rem; color:var(--ink); opacity:0.75; transition:opacity .2s;}
nav.links a:hover{opacity:1;}
.nav-cta{display:flex; align-items:center; gap:14px;}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 24px;
  border-radius:100px;
  font-weight:600;
  font-size:0.9rem;
  border:1px solid transparent;
  transition:transform .18s ease, background .2s ease, border-color .2s ease, opacity .2s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(0.97);}
.btn-primary{background:var(--green); color:#fff;}
.btn-primary:hover{background:var(--green-deep);}
.btn-dark{background:var(--ink); color:#fff;}
.btn-dark:hover{opacity:0.85;}
.btn-outline{border-color:var(--line); color:var(--ink); background:#fff;}
.btn-outline:hover{border-color:var(--ink);}
.btn-ghost-light{background:rgba(255,255,255,0.18); color:#fff; border-color:rgba(255,255,255,0.5); backdrop-filter:blur(6px);}
.btn-ghost-light:hover{background:rgba(255,255,255,0.3);}
.btn-whatsapp{background:#E7F7EC; color:#1F7A3B; border-color:rgba(31,122,59,0.18);}
.btn-whatsapp:hover{background:#D9F1E0;}

.menu-toggle{display:none; background:none; border:none; color:var(--ink);}
@media (max-width:900px){
  nav.links{display:none;}
  .menu-toggle{display:flex;}
  .nav-cta .btn-outline{display:none;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin:96px 20px 0;
  border-radius:36px;
  overflow:hidden;
  min-height:640px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
@media (max-width:640px){ .hero{margin:88px 12px 0; border-radius:22px; min-height:560px;} }
.hero-bg{position:absolute; inset:0; z-index:0;}
.hero-bg::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,20,15,0.15) 0%, rgba(6,14,10,0.55) 100%);
}
.hero-top{
  position:relative; z-index:1;
  padding:64px 56px 0;
  max-width:520px;
}
@media (max-width:640px){ .hero-top{padding:48px 24px 0;} }
.hero-logo{
  width:72px;
  height:72px;
  margin-bottom:24px;
  border:3px solid rgba(255,255,255,0.9);
  border-radius:18px;
  object-fit:cover;
  box-shadow:0 10px 24px rgba(0,0,0,0.22);
}
.hero-top .eyebrow{
  color:#fff; font-size:0.85rem; font-weight:600; opacity:0.9; margin-bottom:18px; display:block;
}
.hero-top h1{
  color:#fff;
  font-size:clamp(1.9rem, 3.6vw, 2.5rem);
  font-weight:700;
  line-height:1.14;
  text-shadow:0 2px 12px rgba(0,0,0,0.28);
}
.hero-green{color:#B9F36B;}
.hero-gold{color:#FFD166;}
.hero-blue{color:#8ED8FF;}
.hero-top p{
  margin-top:16px; color:rgba(255,255,255,0.82); font-size:0.98rem; max-width:400px;
}
.hero-actions{display:flex; gap:14px; margin-top:30px; flex-wrap:wrap;}
.hero-wordmark{
  position:relative; z-index:1;
  padding:0 40px 24px;
  display:flex;
  align-items:center;
  gap:18px;
  font-family:'Sora',sans-serif;
  font-weight:800;
  font-size:clamp(3.2rem, 12vw, 8rem);
  line-height:0.85;
  letter-spacing:-0.02em;
}
.hero-wordmark img{
  width:clamp(58px, 8vw, 96px);
  height:clamp(58px, 8vw, 96px);
  flex:0 0 auto;
  border:3px solid rgba(255,255,255,0.9);
  border-radius:22px;
  object-fit:cover;
  box-shadow:0 10px 24px rgba(0,0,0,0.24);
}
.hero-wordmark-green{color:#B9F36B;}
.hero-wordmark-gold{color:#FFD166;}
@media (max-width:640px){
  .hero-wordmark{padding:0 20px 18px; gap:12px; font-size:clamp(2.5rem, 16vw, 4.5rem);}
  .hero-wordmark img{border-radius:16px;}
}

/* ---------- Section shared ---------- */
section{padding:110px 0;}
@media (max-width:640px){ section{padding:74px 0;} }
.section-tag{color:var(--green-deep); font-weight:600; font-size:0.85rem; margin-bottom:14px; display:block;}
.section-head p{margin-top:16px; color:var(--muted); font-size:1.02rem;}

/* ---------- About ---------- */
.about-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:64px; align-items:start;}
@media (max-width:900px){ .about-grid{grid-template-columns:1fr; gap:40px;} }
.about-grid h2{font-size:clamp(1.6rem,3vw,2.1rem); font-weight:700; line-height:1.3;}
.about-grid h2 b{color:var(--green-deep); font-weight:700;}

.about-collage{display:grid; grid-template-columns:1.3fr 1fr; grid-template-rows:auto auto; gap:16px;}
.collage-main{
  grid-row:span 2;
  border-radius:var(--radius-l);
  min-height:420px;
  position:relative;
  overflow:hidden;
  display:flex; align-items:flex-end; padding:22px;
}
.collage-main .tag{
  background:rgba(255,255,255,0.9); border-radius:100px; padding:8px 16px;
  font-size:0.82rem; font-weight:600; display:flex; align-items:center; gap:8px;
}
.collage-sub{border-radius:var(--radius-m); min-height:190px; position:relative; overflow:hidden; display:flex; align-items:flex-end; padding:18px;}
.collage-sub .cap{color:#fff; font-family:'Sora',sans-serif; font-weight:700;}
.collage-sub .cap span{display:block; font-family:'Inter',sans-serif; font-weight:400; font-size:0.78rem; color:rgba(255,255,255,0.85);}
.stat-pair{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.stat-card{
  border-radius:var(--radius-m);
  padding:20px;
  display:flex; flex-direction:column; justify-content:space-between;
  min-height:150px;
}
.stat-card.light{background:var(--green-tint); color:var(--green-deep);}
.stat-card.dark{background:var(--ink); color:#fff;}
.stat-card b{font-family:'Sora',sans-serif; font-size:1.7rem; font-weight:700;}
.stat-card span{font-size:0.8rem; opacity:0.85; margin-top:6px;}
@media (max-width:640px){
  .about-collage{grid-template-columns:1fr;}
  .collage-main{grid-row:auto; min-height:320px;}
  .collage-sub{min-height:220px;}
  .stat-pair{gap:12px;}
  .stat-card{min-height:130px; padding:16px;}
}
@media (max-width:420px){
  .stat-pair{grid-template-columns:1fr;}
}

/* ---------- Why it works (accordion) ---------- */
.why-grid{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start;}
@media (max-width:900px){ .why-grid{grid-template-columns:1fr; gap:40px;} }
.why-head h2{font-size:clamp(1.6rem,3vw,2.1rem); font-weight:700; max-width:340px;}
.why-head p{margin-top:16px; color:var(--muted); max-width:340px;}

.accordion{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-head{
  width:100%; background:none; border:none; text-align:left;
  padding:22px 6px; display:flex; align-items:center; justify-content:space-between;
  font-family:'Sora',sans-serif; font-weight:600; font-size:1rem; color:var(--ink);
}
.acc-item.open .acc-head{color:var(--green-deep);}
.acc-plus{
  width:26px; height:26px; border-radius:50%; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; flex:none;
  font-size:1rem; transition:transform .25s ease;
}
.acc-item.open .acc-plus{transform:rotate(45deg); border-color:var(--green); color:var(--green-deep);}
.acc-body{max-height:0; overflow:hidden; transition:max-height .3s ease;}
.acc-body p{padding:0 6px 22px; color:var(--muted); font-size:0.92rem; max-width:460px;}
.acc-item.open .acc-body{max-height:200px;}
.acc-item.open{background:var(--green-tint); border-radius:14px; margin:0 -14px; padding:0 14px;}

.why-visual{border-radius:var(--radius-l); min-height:420px; overflow:hidden; position:relative;}

/* ---------- Services ---------- */
.services-head{display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap; margin-bottom:44px;}
.arrow-pair{display:flex; gap:10px;}
.arrow-btn{
  width:44px; height:44px; border-radius:50%; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; background:#fff;
  transition:background .2s, border-color .2s;
}
.arrow-btn:hover{background:var(--green-tint); border-color:var(--green);}

.service-scroll{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
@media (max-width:1000px){ .service-scroll{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .service-scroll{grid-template-columns:1fr;} }
.service-tile{border-radius:var(--radius-m); overflow:hidden; border:1px solid var(--line);}
.service-photo{aspect-ratio:4/5; position:relative;}
.service-tile .service-cap{
  min-height:64px;
  padding:16px 18px;
  display:flex;
  align-items:flex-start;
  font-size:0.92rem;
  line-height:1.35;
  font-weight:600;
}

/* ---------- Gallery ---------- */
.gallery-tabs{display:flex; gap:10px; margin-bottom:30px;}
.gtab{
  padding:9px 20px; border-radius:100px; border:1px solid var(--line);
  color:var(--muted); font-size:0.88rem; font-weight:600; background:#fff;
}
.gtab.active{background:var(--ink); color:#fff; border-color:var(--ink);}

.gallery-grid{display:grid; grid-template-columns:repeat(4, 1fr); grid-auto-rows:160px; gap:14px;}
@media (max-width:900px){ .gallery-grid{grid-template-columns:repeat(2,1fr);} }
.gitem{position:relative; border-radius:var(--radius-m); overflow:hidden; cursor:pointer; border:1px solid var(--line);}
.gitem.wide{grid-column:span 2;}
.gitem.tall{grid-row:span 2;}
.gitem .fill{position:absolute; inset:0; transition:transform .35s ease;}
.gitem .gallery-video{width:100%; height:100%; object-fit:cover;}
.gitem:hover .fill{transform:scale(1.04);}
.gitem .cap{
  position:absolute; left:0; right:0; bottom:0; padding:12px 14px;
  background:linear-gradient(to top, rgba(0,0,0,0.65), transparent);
  font-size:0.82rem; font-weight:600; color:#fff;
}
.gitem .play{position:absolute; inset:0; display:flex; align-items:center; justify-content:center;}
.play-ic{
  width:44px; height:44px; border-radius:50%; background:rgba(255,255,255,0.28);
  backdrop-filter:blur(4px); display:flex; align-items:center; justify-content:center;
  border:1px solid rgba(255,255,255,0.6);
}

/* lightbox */
.lightbox{position:fixed; inset:0; background:rgba(8,12,10,0.92); display:none; align-items:center; justify-content:center; z-index:1000; padding:24px;}
.lightbox.open{display:flex;}
.lightbox-inner{max-width:900px; width:100%;}
.lightbox-media{width:100%; aspect-ratio:16/9; border-radius:var(--radius-m); overflow:hidden; position:relative;}
.lightbox-cap{margin-top:14px; color:#d7dad6; text-align:center; font-size:0.9rem;}
.lightbox-close{position:absolute; top:-46px; right:0; background:none; border:none; color:#fff; font-size:1rem;}

/* ---------- Testimonials ---------- */
.testi-grid{display:grid; grid-template-columns:1fr 1fr; gap:24px;}
@media (max-width:800px){ .testi-grid{grid-template-columns:1fr;} }
.testi-photo-card{
  border-radius:var(--radius-l); overflow:hidden; position:relative; min-height:320px;
  display:flex; align-items:flex-start; padding:28px;
}
.testi-photo-card::after{content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(6,14,10,0.05), rgba(6,14,10,0.7)); z-index:0;}
.testi-badge{
  position:relative; z-index:1; width:34px; height:34px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; font-size:0.85rem; font-weight:700; color:#fff;
}
.testi-content{position:relative; z-index:1; margin-top:auto; color:#fff;}
.testi-content p.quote{font-size:0.98rem; line-height:1.6;}
.testi-person{display:flex; align-items:center; gap:10px; margin-top:18px;}
.testi-person b{display:block; font-size:0.88rem;}
.testi-person span{font-size:0.76rem; opacity:0.8;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid; grid-template-columns:0.8fr 1.2fr; gap:64px; align-items:start;}
@media (max-width:900px){ .faq-grid{grid-template-columns:1fr; gap:36px;} }
.faq-head h2{font-size:clamp(1.6rem,3vw,2.1rem); font-weight:700; max-width:320px;}
.faq-head p{margin-top:14px; color:var(--muted); max-width:320px;}
.faq-cta{margin-top:34px; padding:22px; border-radius:var(--radius-m); background:var(--bg-soft); border:1px solid var(--line);}
.faq-cta b{display:block; font-family:'Sora',sans-serif; font-size:0.98rem;}
.faq-cta p{margin-top:6px; color:var(--muted); font-size:0.86rem;}
.faq-cta .btn{margin-top:16px;}

.faq-list .acc-head{font-weight:600; font-size:0.96rem;}
.faq-list .acc-item{border-bottom:1px solid var(--line);}
.faq-list{border-top:1px solid var(--line);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);
  border-radius:var(--radius-l);
  padding:56px;
  display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
}
.cta-band h3{font-size:1.6rem; max-width:480px; color:#fff;}
.cta-band p{color:rgba(255,255,255,0.7); margin-top:10px;}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line); padding:60px 0 30px; background:var(--bg-soft);}
.foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px;}
@media (max-width:800px){ .foot-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:520px){ .foot-grid{grid-template-columns:1fr;} }
.foot-grid h5{font-size:0.82rem; color:var(--muted); margin-bottom:16px; font-weight:600;}
.foot-grid ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px;}
.foot-grid a{font-size:0.9rem; color:var(--ink);}
.foot-grid a:hover{color:var(--green-deep);}
.foot-bottom{margin-top:50px; padding-top:24px; border-top:1px solid var(--line); display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:0.8rem; color:var(--muted);}

/* ---------- Floating WhatsApp ---------- */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:200;
  width:60px; height:60px; border-radius:50%; background:#25D366;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 12px 30px -8px rgba(37,211,102,0.55); border:none;
  animation:wa-pop 2.6s ease-in-out infinite;
}
@keyframes wa-pop{ 0%,100%{transform:scale(1);} 50%{transform:scale(1.07);} }
.wa-float:hover{animation-play-state:paused; transform:translateY(-3px);}
.wa-tooltip{
  position:fixed; right:90px; bottom:38px; z-index:200;
  background:var(--ink); color:#fff; font-size:0.82rem; font-weight:600;
  padding:8px 14px; border-radius:8px; opacity:0; pointer-events:none; transition:opacity .2s ease; white-space:nowrap;
}
.wa-float:hover + .wa-tooltip{opacity:1;}

.reveal{opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1; transform:none;}