/* ============================================================
   Varsha Infra Projects — Site Styles
   Palette derived from logo: sky blue + orange on white
   Signature motif: blueprint hairlines
   ============================================================ */

:root{
  --blue:#1FA8E0;        /* logo sky blue */
  --blue-deep:#0B6FA4;   /* deeper blue for headings/links */
  --blue-ink:#0A2A3D;    /* near-navy ink for body headings */
  --orange:#F15A22;      /* logo orange */
  --orange-soft:#FF7A45;
  --ink:#1c2733;         /* body text */
  --muted:#5d6b78;       /* secondary text */
  --line:#e3e9ee;        /* hairline */
  --bg:#ffffff;
  --bg-soft:#f5f8fb;     /* faint blue-grey section */
  --bg-blueprint:#0e2535;/* dark blueprint navy */
  --shadow:0 14px 40px rgba(11,42,61,.10);
  --shadow-sm:0 6px 18px rgba(11,42,61,.08);
  --radius:14px;
  --maxw:1200px;
  --display:'Poppins',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);color:var(--blue-ink);line-height:1.18;margin:0 0 .5em}
h1{font-weight:700;letter-spacing:-.5px}
h2{font-weight:700;font-size:clamp(1.7rem,3.4vw,2.5rem);letter-spacing:-.4px}
h3{font-weight:600}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Eyebrow / section heading device ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--display);font-weight:600;font-size:.78rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--orange);
  margin-bottom:.7rem;
}
.eyebrow::before{
  content:"";width:30px;height:2px;background:var(--orange);display:inline-block;
}
.section{padding:84px 0}
.section--soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin:0 auto 52px;text-align:center}
.section-head.left{margin-left:0;text-align:left}
.section-head p{color:var(--muted);font-size:1.05rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--display);font-weight:600;font-size:.95rem;
  padding:.85rem 1.7rem;border-radius:50px;border:2px solid transparent;
  cursor:pointer;transition:.25s ease;
}
.btn--primary{background:var(--orange);color:#fff}
.btn--primary:hover{background:#d9481a;transform:translateY(-2px);box-shadow:0 10px 24px rgba(241,90,34,.32)}
.btn--ghost{border-color:#fff;color:#fff}
.btn--ghost:hover{background:#fff;color:var(--blue-ink)}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue:hover{background:var(--blue-deep);transform:translateY(-2px)}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.topbar{
  background:var(--bg-blueprint);color:#cfe0ec;font-size:.85rem;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;
  min-height:42px;flex-wrap:wrap;gap:8px}
.topbar a{color:#cfe0ec;transition:.2s}
.topbar a:hover{color:#fff}
.topbar .tb-info{display:flex;gap:22px;flex-wrap:wrap}
.topbar .tb-info span{display:inline-flex;align-items:center;gap:.5rem}
.topbar .tb-info i{color:var(--orange)}
.topbar .tb-social{display:flex;gap:14px}

header.site{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
header.site.scrolled{box-shadow:0 6px 22px rgba(11,42,61,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:78px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:135px;width:auto}
.menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.menu a{
  font-family:var(--display);font-weight:500;font-size:.95rem;color:var(--blue-ink);
  padding:.6rem .95rem;border-radius:8px;position:relative;transition:.2s;
}
.menu a:hover{color:var(--blue-deep)}
.menu a.active{color:var(--orange)}
.menu a.active::after{
  content:"";position:absolute;left:.95rem;right:.95rem;bottom:.35rem;height:2px;
  background:var(--orange);border-radius:2px;
}
.nav .btn{margin-left:10px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--blue-ink);margin:5px 0;transition:.3s}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  color:#fff;overflow:hidden;
}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(8,28,42,.92) 0%,rgba(8,28,42,.7) 42%,rgba(8,28,42,.25) 100%);
}
/* blueprint grid signature overlay */
.hero__grid{
  position:absolute;inset:0;z-index:1;opacity:.18;
  background-image:linear-gradient(rgba(31,168,224,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(31,168,224,.5) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:linear-gradient(105deg,#000 30%,transparent 75%);
  -webkit-mask-image:linear-gradient(105deg,#000 30%,transparent 75%);
}
.hero .container{position:relative;z-index:2;padding-top:60px;padding-bottom:60px}
.hero__rotator{
  font-family:var(--display);font-weight:600;letter-spacing:.05em;
  text-transform:uppercase;color:var(--blue);font-size:.95rem;margin-bottom:1rem;
  min-height:1.3em;
}
.hero h1{
  font-size:clamp(2.4rem,5.4vw,4.2rem);color:#fff;max-width:16ch;margin-bottom:1.1rem;
}
.hero h1 .accent{color:var(--orange)}
.hero p.lead{font-size:1.18rem;color:#d7e4ee;max-width:54ch;margin-bottom:2rem}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__stats{
  display:flex;gap:42px;margin-top:3.2rem;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.15);padding-top:1.8rem;
}
.hero__stats .s b{font-family:var(--display);font-size:2rem;color:var(--orange);display:block;line-height:1}
.hero__stats .s span{font-size:.85rem;color:#bcd0de;letter-spacing:.04em}

/* ============================================================
   INTRO / ABOUT BLURB
   ============================================================ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--media img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover}
.media-stack{position:relative}
.media-stack img{border-radius:var(--radius)}
.media-stack .badge{
  position:absolute;left:-18px;bottom:-18px;background:var(--orange);color:#fff;
  padding:18px 22px;border-radius:14px;box-shadow:var(--shadow);
}
.media-stack .badge b{font-family:var(--display);font-size:1.9rem;display:block;line-height:1}
.media-stack .badge span{font-size:.8rem;letter-spacing:.04em}

.check-list{list-style:none;padding:0;margin:1.2rem 0;display:grid;grid-template-columns:1fr 1fr;gap:.6rem 1.4rem}
.check-list li{display:flex;align-items:flex-start;gap:.6rem;font-weight:500;color:var(--ink);font-size:.97rem}
.check-list i{color:var(--blue);margin-top:.25rem;flex-shrink:0}

/* ============================================================
   SERVICE CARDS
   ============================================================ */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.3s;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:.5s}
.card:hover .card__media img{transform:scale(1.06)}
.card__icon{
  position:absolute;left:18px;bottom:-26px;width:56px;height:56px;border-radius:14px;
  background:var(--orange);color:#fff;display:grid;place-items:center;font-size:1.3rem;
  box-shadow:0 8px 20px rgba(241,90,34,.35);border:3px solid #fff;
}
.card__body{padding:38px 24px 26px}
.card__body h3{font-size:1.18rem;margin-bottom:.5rem;color:var(--blue-ink)}
.card__body p{color:var(--muted);font-size:.95rem;margin-bottom:1rem}
.card__more{
  font-family:var(--display);font-weight:600;font-size:.85rem;color:var(--blue-deep);
  display:inline-flex;align-items:center;gap:.4rem;margin-top:auto;
}
.card__more i{transition:.2s}
.card:hover .card__more i{transform:translateX(4px)}

/* ============================================================
   FEATURE / WHY CHOOSE (blueprint dark band)
   ============================================================ */
.band{background:var(--bg-blueprint);color:#dceaf3;position:relative;overflow:hidden}
.band::before{
  content:"";position:absolute;inset:0;opacity:.10;
  background-image:linear-gradient(rgba(31,168,224,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(31,168,224,.6) 1px,transparent 1px);
  background-size:44px 44px;
}
.band .container{position:relative;z-index:1}
.band h2{color:#fff}
.band .eyebrow{color:var(--orange-soft)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.feature{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius);padding:30px 26px;transition:.3s;
}
.feature:hover{background:rgba(31,168,224,.10);border-color:rgba(31,168,224,.4);transform:translateY(-4px)}
.feature i{font-size:1.7rem;color:var(--blue);margin-bottom:14px}
.feature h3{color:#fff;font-size:1.12rem;margin-bottom:.4rem}
.feature p{color:#a7c0d2;font-size:.93rem;margin:0}

/* ============================================================
   PROCESS (3 steps)
   ============================================================ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:step}
.step{position:relative;padding:34px 26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--display);font-weight:700;font-size:2.4rem;color:var(--blue);
  opacity:.22;position:absolute;top:18px;right:22px;
}
.step h3{color:var(--blue-ink);font-size:1.15rem;margin-bottom:.5rem}
.step p{color:var(--muted);font-size:.95rem;margin:0}
.step .tag{font-family:var(--display);font-size:.78rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--orange);display:block;margin-bottom:.6rem}

/* ============================================================
   CTA STRIP
   ============================================================ */
.cta{position:relative;color:#fff;text-align:center;overflow:hidden}
.cta__bg{position:absolute;inset:0;z-index:0}
.cta__bg img{width:100%;height:100%;object-fit:cover}
.cta__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(11,42,61,.9),rgba(11,42,61,.82))}
.cta .container{position:relative;z-index:1;padding:74px 24px}
.cta h2{color:#fff;font-size:clamp(1.8rem,3.6vw,2.7rem);max-width:20ch;margin:0 auto .8rem}
.cta p{color:#cfe0ec;max-width:50ch;margin:0 auto 1.8rem;font-size:1.08rem}
.cta__phone{font-family:var(--display);font-weight:700;font-size:1.5rem;color:var(--orange);
  display:inline-flex;align-items:center;gap:.6rem;margin-top:.4rem}

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */
.pagehead{position:relative;color:#fff;overflow:hidden;padding:90px 0 70px}
.pagehead__bg{position:absolute;inset:0;z-index:0;background:var(--bg-blueprint)}
.pagehead__bg::after{content:"";position:absolute;inset:0;opacity:.12;
  background-image:linear-gradient(rgba(31,168,224,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(31,168,224,.6) 1px,transparent 1px);
  background-size:42px 42px}
.pagehead .container{position:relative;z-index:1}
.pagehead h1{color:#fff;font-size:clamp(2rem,4.5vw,3rem)}
.breadcrumb{display:flex;align-items:center;gap:.5rem;color:#9fbace;font-size:.92rem;font-family:var(--display)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:var(--orange)}

/* ============================================================
   ABOUT BLOCKS
   ============================================================ */
.vm-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:10px}
.vm{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);
  border-radius:var(--radius);padding:32px 30px;box-shadow:var(--shadow-sm)}
.vm.orange{border-left-color:var(--orange)}
.vm i{font-size:1.6rem;color:var(--blue);margin-bottom:.6rem}
.vm.orange i{color:var(--orange)}
.vm h3{font-size:1.3rem;margin-bottom:.5rem}
.vm p{color:var(--muted);margin:0}
.prose p{color:var(--muted);font-size:1.04rem}
.prose h2{margin-top:1.6rem}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery-filters{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.gallery-filters button{
  font-family:var(--display);font-weight:500;font-size:.9rem;padding:.5rem 1.2rem;
  border-radius:50px;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;transition:.2s
}
.gallery-filters button.active,.gallery-filters button:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.gallery-grid{
  columns:4;column-gap:16px;
}
.gallery-grid figure{
  margin:0 0 16px;break-inside:avoid;border-radius:12px;overflow:hidden;position:relative;cursor:pointer;
  box-shadow:var(--shadow-sm);
}
.gallery-grid img{width:100%;display:block;transition:.5s}
.gallery-grid figure::after{
  content:"\f00e";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:1.5rem;
  background:linear-gradient(rgba(11,42,61,0),rgba(11,42,61,.55));opacity:0;transition:.3s;
}
.gallery-grid figure:hover::after{opacity:1}
.gallery-grid figure:hover img{transform:scale(1.07)}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(6,18,28,.94);z-index:200;display:none;
  align-items:center;justify-content:center;padding:30px}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:86vh;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lightbox__close,.lightbox__nav{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;
  width:50px;height:50px;border-radius:50%;font-size:1.3rem;cursor:pointer;transition:.2s;display:grid;place-items:center}
.lightbox__close:hover,.lightbox__nav:hover{background:var(--orange)}
.lightbox__close{top:24px;right:24px}
.lightbox__nav.prev{left:24px;top:50%;transform:translateY(-50%)}
.lightbox__nav.next{right:24px;top:50%;transform:translateY(-50%)}

/* ============================================================
   PROJECTS PLACEHOLDER
   ============================================================ */
.coming{
  text-align:center;max-width:620px;margin:0 auto;padding:60px 30px;
  border:2px dashed var(--line);border-radius:var(--radius);background:var(--bg-soft);
}
.coming i{font-size:2.6rem;color:var(--blue);margin-bottom:1rem}
.coming h3{font-size:1.5rem;margin-bottom:.5rem}
.coming p{color:var(--muted);margin-bottom:1.5rem}
.project-teaser{max-width:760px;margin:46px auto 0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm);text-align:center}
.project-teaser h3{color:var(--orange);font-size:1.4rem;margin-bottom:.3rem}
.project-teaser .loc{color:var(--muted);font-family:var(--display);font-size:.95rem}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.info-row{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:0}
.info-row .ic{width:46px;height:46px;border-radius:12px;background:rgba(31,168,224,.12);color:var(--blue);
  display:grid;place-items:center;font-size:1.1rem;flex-shrink:0}
.info-row h4{margin:0 0 .15rem;font-size:1rem;color:var(--blue-ink)}
.info-row p,.info-row a{margin:0;color:var(--muted);font-size:.96rem}
.info-row a:hover{color:var(--orange)}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--display);font-weight:500;font-size:.88rem;margin-bottom:.4rem;color:var(--blue-ink)}
.field input,.field textarea{
  width:100%;padding:.8rem 1rem;border:1px solid var(--line);border-radius:10px;font:inherit;
  background:var(--bg-soft);transition:.2s;color:var(--ink)
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(31,168,224,.12)}
.field textarea{resize:vertical;min-height:130px}
.map-embed{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);margin-top:40px}
.map-embed iframe{width:100%;height:380px;border:0;display:block}

/* ============================================================
   FOOTER
   ============================================================ */
footer.site{background:#08202e;color:#a7c0d2;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
footer.site h4{color:#fff;font-size:1.05rem;margin-bottom:1.1rem}
footer.site .brand img{height:150px;margin-bottom:1rem;filter:brightness(0) invert(1);opacity:.95}
footer.site p{font-size:.92rem;color:#8fa9bb}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site ul li{margin-bottom:.6rem}
footer.site ul a{font-size:.94rem;color:#a7c0d2;transition:.2s}
footer.site ul a:hover{color:var(--orange);padding-left:4px}
.foot-contact div{display:flex;gap:.7rem;margin-bottom:.9rem;font-size:.93rem;align-items:flex-start}
.foot-contact i{color:var(--orange);margin-top:.25rem}
.foot-social{display:flex;gap:12px;margin-top:1rem}
.foot-social a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.08);
  display:grid;place-items:center;color:#fff;transition:.25s}
.foot-social a:hover{background:var(--orange);transform:translateY(-3px)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:.86rem;color:#7c97a9}
.foot-bottom a{color:var(--blue)}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.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}
  html{scroll-behavior:auto}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1000px){
  .cards,.feature-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{columns:3}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:840px){
  .nav-toggle{display:block}
  .menu{
    position:fixed;inset:78px 0 auto 0;flex-direction:column;align-items:stretch;
    background:#fff;padding:14px 24px 24px;gap:2px;box-shadow:var(--shadow);
    transform:translateY(-150%);transition:transform .35s ease;border-top:1px solid var(--line);
  }
  .menu.open{transform:none}
  .menu a{padding:.85rem .6rem;border-radius:8px}
  .menu a.active::after{display:none}
  .menu a.active{background:rgba(241,90,34,.08)}
  .nav .btn{display:none}
  .split,.contact-grid,.vm-grid{grid-template-columns:1fr}
  .media-stack{order:-1}
  .check-list{grid-template-columns:1fr}
  .hero{min-height:auto;padding:30px 0}
}
@media (max-width:560px){
  .cards,.feature-grid,.steps{grid-template-columns:1fr}
  .gallery-grid{columns:2}
  .section{padding:60px 0}
  .topbar .tb-info{display:none}
  .hero__stats{gap:26px}
  .hero__stats .s b{font-size:1.6rem}
}