/* ---------- Tokens ---------- */
:root{
  --black:#0a0a0a;
  --near-black:#121212;
  --white:#ffffff;
  --yellow:#ffc933;
  --yellow-dark:#e6b12b;
  --gray-50:#f7f7f5;
  --gray-100:#efeee9;
  --gray-300:#c9c8c2;
  --gray-500:#8a8983;
  --gray-700:#4a4a46;
  --radius-xl:32px;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --font-en:'Poppins', 'Noto Sans Devanagari', sans-serif;
  --font-hi:'Noto Sans Devanagari', 'Poppins', sans-serif;
  --shadow-card:0 20px 60px rgba(0,0,0,.12);
  --container:1280px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-hi);
  color:var(--black);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3{font-family:var(--font-hi);margin:0;line-height:1.15;}
p{margin:0;}

.skip-link{
  position:absolute;left:-999px;top:0;background:var(--yellow);color:var(--black);
  padding:10px 16px;border-radius:0 0 8px 0;z-index:999;font-weight:600;
}
.skip-link:focus{left:0;}

.accent{color:var(--yellow);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:.95rem;
  font-family:var(--font-en);white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  border:1.5px solid transparent;cursor:pointer;
  min-height:48px;
}
.btn-primary{background:var(--yellow);color:var(--black);}
.btn-primary:hover{background:var(--yellow-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,201,51,.35);}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.35);}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:var(--white);border-color:rgba(255,255,255,.5);}
.btn-outline-light:hover{background:var(--white);color:var(--black);transform:translateY(-2px);}
.btn-lg{padding:16px 34px;font-size:1rem;}

/* ---------- Navbar ---------- */
.navbar{
  position:sticky;top:0;z-index:100;background:var(--white);
  border-bottom:1px solid transparent;transition:border-color .2s ease, box-shadow .2s ease;
}
.navbar.scrolled{border-color:var(--gray-100);box-shadow:0 4px 20px rgba(0,0,0,.05);}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:16px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav-logo{display:flex;align-items:center;gap:10px;}
.logo-mark{
  width:40px;height:40px;object-fit:contain;flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.logo-name{font-family:var(--font-en);font-weight:700;font-size:1.05rem;}
.logo-sub{font-family:var(--font-en);font-weight:600;font-size:.6rem;letter-spacing:.16em;color:var(--gray-500);}

.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{font-family:var(--font-en);font-weight:500;font-size:.92rem;color:var(--near-black);}
.nav-links a:hover{color:var(--yellow-dark);}
.nav-mobile-cta{display:none;}
.nav-cta{font-size:.88rem;padding:12px 24px;min-height:auto;}

.nav-hamburger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;background:none;border:none;cursor:pointer;padding:0;
}
.nav-hamburger span{width:22px;height:2px;background:var(--black);transition:transform .25s ease, opacity .25s ease;margin:0 auto;}
.nav-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-hamburger.open span:nth-child(2){opacity:0;}
.nav-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.hero{padding:16px 16px 24px;background:var(--white);}
.hero-card{
  max-width:var(--container);margin:0 auto;
  background:var(--black);border-radius:var(--radius-xl);overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;align-items:stretch;
  position:relative;
}
.hero-left{
  padding:64px 48px;display:flex;flex-direction:column;gap:24px;color:var(--white);
  position:relative;z-index:2;
}
.eyebrow{
  font-family:var(--font-en);font-weight:600;font-size:.8rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--yellow);margin:0;
}
.eyebrow-light{color:var(--yellow);}
.hero-headline{
  font-size:clamp(2.4rem, 4vw, 3.4rem);font-weight:700;color:var(--white);
}
.hero-sub{
  font-size:1.05rem;line-height:1.6;color:var(--gray-300);max-width:520px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:4px;}

.hero-badges{display:flex;flex-direction:column;gap:14px;margin-top:20px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);}
.hero-badge{display:flex;align-items:center;gap:12px;font-family:var(--font-en);font-size:.85rem;color:var(--gray-300);}
.badge-icon{
  width:34px;height:34px;border-radius:50%;background:rgba(255,201,51,.12);color:var(--yellow);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.badge-icon svg{width:18px;height:18px;}

.hero-right{position:relative;min-height:420px;}
.hero-right img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.hero-right::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg, var(--black) 0%, rgba(10,10,10,.35) 35%, rgba(10,10,10,0) 60%);
}
.hero-rings{
  position:absolute;right:-80px;top:50%;transform:translateY(-50%);
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);z-index:1;
}
.hero-rings::before,.hero-rings::after{
  content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.08);
}
.hero-rings::before{inset:50px;}
.hero-rings::after{inset:100px;}

/* ---------- Split sections (Residential / Business) ---------- */
.split-section{padding:96px 24px;background:var(--white);}
.split-section.alt-bg{background:var(--gray-50);}
.split-inner{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center;
}
.split-reverse .split-inner{grid-template-columns:1fr 1fr;}
.split-reverse .split-content{order:1;}
.split-reverse .split-media{order:2;}

.split-content h2{font-size:clamp(1.9rem,3vw,2.6rem);font-weight:700;margin:6px 0 24px;}
.benefit-list{display:flex;flex-direction:column;gap:16px;margin-bottom:32px;}
.benefit-list li{
  position:relative;padding-left:26px;font-size:1rem;line-height:1.6;color:var(--gray-700);
}
.benefit-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;background:var(--yellow);
}
.benefit-list strong{color:var(--black);font-weight:600;}

.split-media{position:relative;}
.split-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-card);width:100%;height:auto;object-fit:cover;}
.split-media-stack{
  position:relative;
  padding:0 48px 56px 0;
}
.split-media-stack img{aspect-ratio:4/3;}
.split-media-stack img:first-child{width:78%;}
.split-media-stack img.media-offset{
  position:absolute;bottom:0;right:0;width:56%;
  border:6px solid var(--white);
}

.floating-card{
  position:absolute;left:-28px;bottom:36px;background:var(--white);border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);padding:16px 20px;display:flex;flex-direction:column;gap:8px;
  width:180px;
}
.floating-card-label{font-family:var(--font-en);font-size:.72rem;font-weight:600;color:var(--gray-700);letter-spacing:.02em;}
.floating-card-chart{width:100%;height:34px;}

/* ---------- PM Surya Ghar feature section ---------- */
.feature-section{background:var(--black);padding:96px 24px;}
.feature-inner{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
.feature-heading{font-size:clamp(2rem,3.4vw,2.9rem);font-weight:700;color:var(--white);margin:8px 0 20px;}
.feature-text{color:var(--gray-300);font-size:1.05rem;line-height:1.7;max-width:520px;margin-bottom:32px;}
.feature-media img{border-radius:var(--radius-lg);width:100%;height:auto;object-fit:cover;aspect-ratio:4/3;}

/* ---------- Projects gallery ---------- */
.projects-section{padding:96px 24px;background:var(--white);}
.section-sub{max-width:620px;margin:14px auto 0;color:var(--gray-700);font-size:1rem;line-height:1.6;}
.projects-grid{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.project-card{
  position:relative;padding:0;border:none;background:none;cursor:pointer;
  border-radius:var(--radius-md);overflow:hidden;aspect-ratio:3/4;
  box-shadow:0 4px 20px rgba(0,0,0,.06);
}
.project-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.project-card:hover img{transform:scale(1.06);}
.project-card-label{
  position:absolute;left:0;right:0;bottom:0;padding:20px 16px 12px;
  background:linear-gradient(180deg, rgba(10,10,10,0), rgba(10,10,10,.75));
  color:var(--white);font-family:var(--font-en);font-weight:600;font-size:.9rem;text-align:left;
}

.lightbox{
  position:fixed;inset:0;background:rgba(10,10,10,.92);z-index:200;
  display:flex;align-items:center;justify-content:center;padding:40px 24px;
  opacity:0;visibility:hidden;transition:opacity .2s ease;
}
.lightbox.open{opacity:1;visibility:visible;}
.lightbox-figure{max-width:min(90vw,720px);max-height:88vh;margin:0;text-align:center;}
.lightbox-figure img{max-width:100%;max-height:78vh;border-radius:var(--radius-md);margin:0 auto;}
.lightbox-figure figcaption{color:var(--white);font-family:var(--font-en);margin-top:16px;font-size:.95rem;}
.lightbox-close{
  position:absolute;top:20px;right:24px;background:none;border:none;color:var(--white);
  font-size:2.2rem;line-height:1;cursor:pointer;padding:8px;
}

/* ---------- Careers ---------- */
.careers-section{padding:96px 24px;background:var(--gray-50);}
.careers-form{
  max-width:680px;margin:0 auto;background:var(--white);border-radius:var(--radius-lg);
  padding:40px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:20px;
  border:1px solid var(--gray-100);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field label{font-family:var(--font-en);font-weight:600;font-size:.88rem;color:var(--near-black);}
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field input[type="file"],
.form-field textarea{
  font-family:var(--font-en);font-size:.95rem;padding:12px 14px;border-radius:var(--radius-sm);
  border:1.5px solid var(--gray-100);background:var(--gray-50);color:var(--black);
  transition:border-color .2s ease;
}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--yellow-dark);}
.form-field textarea{resize:vertical;font-family:var(--font-hi);}
.form-hint{font-size:.82rem;color:var(--gray-500);margin:0;}
.careers-form .btn{align-self:flex-start;}

/* ---------- Why choose us ---------- */
.why-section{padding:96px 24px;background:var(--gray-50);}
.section-head{max-width:var(--container);margin:0 auto 48px;text-align:center;}
.section-head h2{font-size:clamp(1.9rem,3vw,2.6rem);font-weight:700;margin-top:6px;}
.why-grid{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.why-card{
  background:var(--white);border-radius:var(--radius-md);padding:32px 28px;
  box-shadow:0 4px 20px rgba(0,0,0,.04);border:1px solid var(--gray-100);
  transition:transform .2s ease, box-shadow .2s ease;
}
.why-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(0,0,0,.08);}
.why-icon{
  width:48px;height:48px;border-radius:12px;background:var(--black);color:var(--yellow);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.why-icon svg{width:24px;height:24px;}
.why-card h3{font-family:var(--font-en);font-size:1.05rem;font-weight:600;margin-bottom:8px;}
.why-card p{color:var(--gray-700);font-size:.92rem;line-height:1.55;}

/* ---------- Contact / final CTA ---------- */
.contact-section{
  position:relative;padding:110px 24px;background:var(--black) url('images/panel-closeup.jpg') center/cover no-repeat;
  isolation:isolate;
}
.contact-overlay{
  position:absolute;inset:0;background:linear-gradient(180deg, rgba(10,10,10,.92), rgba(10,10,10,.88));z-index:-1;
}
.contact-inner{max-width:820px;margin:0 auto;text-align:center;color:var(--white);}
.contact-heading{font-size:clamp(2rem,3.6vw,2.9rem);font-weight:700;margin:8px 0 12px;}
.contact-sub{font-size:1.1rem;color:var(--gray-300);margin-bottom:40px;}
.contact-details{
  display:grid;grid-template-columns:1fr 1fr;gap:18px 32px;margin-bottom:44px;text-align:left;
}
.contact-item{
  display:flex;align-items:center;gap:12px;font-family:var(--font-en);font-size:.95rem;color:var(--gray-300);
  padding:14px 18px;background:rgba(255,255,255,.05);border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.08);transition:background .2s ease, color .2s ease;
}
a.contact-item:hover{background:rgba(255,201,51,.12);color:var(--white);}
.contact-item svg{width:20px;height:20px;flex-shrink:0;color:var(--yellow);}
.contact-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--near-black);color:var(--gray-300);padding:64px 24px 0;}
.footer-inner{
  max-width:var(--container);margin:0 auto;
  display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:40px;padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo-name,.footer-brand .logo-sub{color:var(--white);}
.footer-brand .logo-sub{color:var(--gray-500);}
.footer-brand p{margin-top:14px;font-size:.9rem;color:var(--gray-500);}
.footer-links{display:flex;flex-direction:column;gap:12px;font-family:var(--font-en);font-size:.92rem;}
.footer-links a:hover{color:var(--yellow);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-family:var(--font-en);font-size:.92rem;}
.footer-contact a:hover{color:var(--yellow);}
.footer-bottom{max-width:var(--container);margin:0 auto;padding:24px 0;font-family:var(--font-en);font-size:.82rem;color:var(--gray-500);text-align:center;}
.pratinidhi-credit{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:10px;}
.pratinidhi-credit-logo{height:20px;width:auto;object-fit:contain;}
.pratinidhi-credit a{color:var(--gray-500);text-decoration:underline;}
.pratinidhi-credit a:hover{color:var(--yellow);}

/* =====================================================
   RESPONSIVE
   ===================================================== */

@media (max-width:1024px){
  .hero-left{padding:52px 40px;}
  .split-inner,.feature-inner{gap:48px;}
  .why-grid{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .footer-contact{grid-column:1 / -1;}
  .projects-grid{grid-template-columns:repeat(3,1fr);}
}

@media (max-width:860px){
  .nav-hamburger{display:flex;}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    background:var(--white);flex-direction:column;align-items:flex-start;
    padding:100px 32px 32px;gap:28px;
    transform:translateX(100%);transition:transform .3s ease;
    box-shadow:-8px 0 30px rgba(0,0,0,.12);z-index:90;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:1.05rem;}
  .nav-mobile-cta{display:block;margin-top:8px;}
  .nav-mobile-cta .btn{width:100%;}
  .nav-cta{display:none;}

  .hero{padding:12px 12px 16px;}
  .hero-card{grid-template-columns:1fr;border-radius:var(--radius-lg);}
  .hero-left{padding:40px 24px 32px;order:1;}
  .hero-right{order:0;min-height:280px;}
  .hero-right::before{background:linear-gradient(180deg, rgba(10,10,10,0) 40%, var(--black) 100%);}
  .hero-rings{display:none;}

  .split-section{padding:64px 20px;}
  .split-inner,.split-reverse .split-inner{grid-template-columns:1fr;gap:36px;}
  .split-reverse .split-content{order:2;}
  .split-reverse .split-media{order:1;}
  .split-content{order:2;}
  .split-media{order:1;}
  .split-media-stack{padding-right:24px;padding-bottom:48px;}
  .media-offset{right:-16px;width:62%;}

  .feature-section{padding:64px 20px;}
  .feature-inner{grid-template-columns:1fr;gap:32px;}
  .feature-media{order:0;}
  .feature-content{order:1;}

  .why-section{padding:64px 20px;}
  .why-grid{grid-template-columns:1fr;}

  .projects-section{padding:64px 20px;}
  .projects-grid{grid-template-columns:repeat(2,1fr);gap:14px;}

  .careers-section{padding:64px 20px;}
  .careers-form{padding:28px 24px;}
  .form-row{grid-template-columns:1fr;gap:20px;}

  .contact-section{padding:72px 20px;}
  .contact-details{grid-template-columns:1fr;}

  .footer-inner{grid-template-columns:1fr;gap:32px;}
  .footer-contact{grid-column:auto;}
}

@media (max-width:430px){
  .hero-headline{font-size:2rem;}
  .hero-sub{font-size:.98rem;}
  .btn{padding:13px 22px;font-size:.9rem;}
  .hero-actions{gap:10px;}
  .contact-actions{flex-direction:column;align-items:stretch;}
  .contact-actions .btn{width:100%;}
  .split-content h2,.feature-heading,.section-head h2,.contact-heading{font-size:1.7rem;}
  .projects-grid{grid-template-columns:1fr 1fr;}
  .careers-form .btn{width:100%;}
}