:root{
  --bg0:#0b1020;
  --bg1:#120b2d;
  --p1:#6d28d9;
  --p2:#a855f7;
  --p3:#22d3ee;
  --white:#ffffff;
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.72);
  --glass:rgba(255,255,255,.08);
  --glass2:rgba(255,255,255,.12);
  --stroke:rgba(255,255,255,.14);
  --shadow:0 14px 40px rgba(0,0,0,.35);
  --radius:18px;
  --radius-sm:14px;
  --container:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Hind Siliguri",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% 20%, rgba(168,85,247,.25), transparent 60%),
    radial-gradient(900px 500px at 80% 10%, rgba(34,211,238,.18), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  min-height:100vh;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.skip-link{
  position:absolute;
  left:-999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  left:16px;
  top:16px;
  width:auto;
  height:auto;
  padding:10px 12px;
  background:rgba(0,0,0,.6);
  border:1px solid var(--stroke);
  border-radius:12px;
  z-index:9999;
}

.container{
  width:min(100% - 32px, var(--container));
  margin-inline:auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background:linear-gradient(180deg, rgba(18,11,45,.65), rgba(18,11,45,.18));
  border-bottom:1px solid rgba(255,255,255,.08);
  transition: box-shadow .35s ease, background .35s ease;
}
.site-header.is-scrolled{
  box-shadow: var(--shadow);
  background:linear-gradient(180deg, rgba(18,11,45,.88), rgba(18,11,45,.35));
}

.nav{
  display:grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items:center;
  padding:14px 0;
}

.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:34px;height:34px;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg, rgba(109,40,217,.95), rgba(168,85,247,.9));
  box-shadow:0 10px 25px rgba(168,85,247,.18);
}
.brand-text{font-weight:700;letter-spacing:.2px}

.nav-menu{display:flex;align-items:center;gap:16px;justify-content:center}
.nav-link{opacity:.9;transition:opacity .3s ease}
.nav-link:hover{opacity:1}

.nav .btn-sm.btn-primary{justify-self:end}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  color:var(--text);
}
.nav-toggle-lines{
  display:block;
  width:18px;height:2px;
  margin-inline:auto;
  background:rgba(255,255,255,.92);
  border-radius:2px;
  position:relative;
}
.nav-toggle-lines::before,
.nav-toggle-lines::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background:rgba(255,255,255,.92);
  border-radius:2px;
}
.nav-toggle-lines::before{top:-6px}
.nav-toggle-lines::after{top:6px}

.section{padding:76px 0}
.section-head{margin-bottom:26px}
.section-title{margin:0;font-size:clamp(24px,3vw,34px);line-height:1.2}
.section-subtitle{margin:10px 0 0;color:var(--muted)}

.hero{
  padding:64px 0 44px;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:34px;
  align-items:center;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  box-shadow:0 10px 30px rgba(0,0,0,.18);
  margin:0 0 14px;
}
.hero-title{margin:0 0 10px;font-size:clamp(30px,4vw,46px);line-height:1.12}
.hero-subtitle{margin:0;color:var(--muted);font-size:clamp(14px,1.4vw,17px);line-height:1.7}

.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}

.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  cursor:pointer;
  user-select:none;
  transition: transform .35s ease, box-shadow .35s ease, background .35s ease, border-color .35s ease;
  overflow:hidden;
}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:10px 14px}

.btn-primary{
  color:rgba(255,255,255,.96);
  background:linear-gradient(135deg, rgba(109,40,217,.95), rgba(168,85,247,.92));
  box-shadow:0 16px 40px rgba(109,40,217,.22);
}
.btn-primary:hover{
  box-shadow:0 16px 50px rgba(168,85,247,.28);
}

.btn-ghost{
  background:rgba(255,255,255,.06);
}
.btn-ghost:hover{
  border-color:rgba(255,255,255,.24);
  box-shadow:0 16px 40px rgba(0,0,0,.25);
}

.btn .ripple{
  position:absolute;
  border-radius:50%;
  transform:scale(0);
  animation:ripple .6s linear;
  background:rgba(255,255,255,.35);
  pointer-events:none;
}
@keyframes ripple{to{transform:scale(3.4);opacity:0}}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin-top:22px;
}
.stat{
  padding:14px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.stat-value{font-weight:800;font-size:20px}
.stat-label{margin-top:4px;color:var(--muted);font-size:14px}

.hero-media{position:relative;display:grid;place-items:center}
.photo-wrap{
  width:min(360px, 78vw);
  aspect-ratio:1/1;
  border-radius:999px;
  padding:10px;
  background:linear-gradient(135deg, rgba(34,211,238,.25), rgba(168,85,247,.35));
  box-shadow:0 24px 70px rgba(0,0,0,.45);
}
.photo-wrap img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.04);
}
.hero-glass{
  position:absolute;
  inset:auto -60px -70px -60px;
  height:220px;
  border-radius:28px;
  background:linear-gradient(135deg, rgba(255,255,255,.10), rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.10);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  filter: saturate(120%);
}

.card{
  border-radius:var(--radius);
  padding:20px;
}
.glass{
  border:1px solid rgba(255,255,255,.12);
  background:linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.card-title{margin:0 0 10px;font-size:20px}
.card-text{margin:0;color:var(--muted);line-height:1.75}

.about-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

.list{margin:0;padding-left:18px;color:var(--muted);line-height:1.8}

.grid.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

.service{
  position:relative;
  overflow:hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.service::before{
  content:"";
  position:absolute;
  inset:0;
  padding:1px;
  border-radius:var(--radius);
  background:linear-gradient(135deg, rgba(168,85,247,.6), rgba(34,211,238,.35), rgba(109,40,217,.6));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
  pointer-events:none;
}
.service:hover{transform:translateY(-6px)}
.service-icon{
  width:44px;height:44px;
  border-radius:14px;
  display:grid;place-items:center;
  font-weight:800;
  background:linear-gradient(135deg, rgba(109,40,217,.95), rgba(34,211,238,.35));
  border:1px solid rgba(255,255,255,.14);
  margin-bottom:12px;
}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.chip{
  border-radius:999px;
  padding:10px 14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:var(--text);
  cursor:pointer;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  overflow:hidden;
  position:relative;
}
.chip:hover{transform:translateY(-2px)}
.chip.is-active{
  background:linear-gradient(135deg, rgba(109,40,217,.95), rgba(168,85,247,.92));
  border-color:rgba(255,255,255,.22);
  box-shadow:0 18px 40px rgba(109,40,217,.22);
}

.gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}
.gallery-item{
  margin:0;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  overflow:hidden;
  background:rgba(255,255,255,.04);
  box-shadow:0 18px 50px rgba(0,0,0,.35);
  cursor:pointer;
  transform:translateZ(0);
}
.gallery-item img{
  width:100%;
  height:210px;
  object-fit:cover;
  transition: transform .45s ease, filter .45s ease;
  filter:saturate(110%);
}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-item.is-hidden{display:none}

.testimonial{
  border-radius:var(--radius);
}
.testimonial-track{position:relative}
.testimonial-slide{display:none}
.testimonial-slide.is-active{display:block}
.stars{font-size:18px;letter-spacing:1px}
.quote{margin:10px 0 12px;color:var(--text);font-size:18px;line-height:1.7}
.who{margin:0;color:var(--muted)}
.testimonial-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}
.icon-btn{
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:var(--text);
  cursor:pointer;
  transition: transform .35s ease, box-shadow .35s ease;
  overflow:hidden;
  position:relative;
}
.icon-btn:hover{transform:translateY(-2px)}
.dots{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;flex:1}
.dot{
  width:10px;height:10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.10);
  cursor:pointer;
}
.dot.is-active{background:rgba(168,85,247,.9);border-color:rgba(255,255,255,.28)}

.contact-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:14px;
  align-items:start;
}
.form label{display:block;margin-bottom:6px;color:rgba(255,255,255,.88)}
.form input,
.form textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(0,0,0,.18);
  color:var(--text);
  outline:none;
  transition:border-color .3s ease, box-shadow .3s ease;
}
.form input:focus,
.form textarea:focus{
  border-color:rgba(168,85,247,.55);
  box-shadow:0 0 0 4px rgba(168,85,247,.14);
}
.form-row{margin-bottom:14px}
.field-error{display:block;min-height:18px;color:rgba(255,122,122,.95);margin-top:6px}
.form-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.form-note{margin:0;color:var(--muted);font-size:14px}
.form-status{margin-top:12px}
.form-status.is-success{color:rgba(110,231,183,.95)}
.form-status.is-error{color:rgba(255,122,122,.95)}

.social{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.social-link{
  width:52px;height:52px;
  border-radius:16px;
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  position:relative;
  overflow:hidden;
}
.social-link:hover{
  transform:translateY(-3px);
  border-color:rgba(255,255,255,.22);
  box-shadow:0 18px 55px rgba(168,85,247,.18);
}

.quick{margin-top:16px;display:grid;gap:10px}
.quick-item{padding:12px;border-radius:16px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05)}
.quick-k{color:var(--muted);font-size:14px}
.quick-v{margin-top:2px;font-weight:600}

.footer{
  position:relative;
  padding:34px 0 68px;
  border-top:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(18,11,45,.55), rgba(18,11,45,.86));
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .6fr .8fr;
  gap:14px;
  align-items:start;
}
.brand-footer{margin-bottom:10px}
.footer-links{display:grid;gap:10px}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--text)}
.muted{color:var(--muted);margin:0}

.back-to-top{
  position:fixed;
  right:16px;
  bottom:16px;
  width:46px;
  height:46px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.14);
  background:linear-gradient(135deg, rgba(109,40,217,.95), rgba(168,85,247,.92));
  color:rgba(255,255,255,.95);
  box-shadow:0 18px 55px rgba(109,40,217,.25);
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  transition: opacity .35s ease, transform .35s ease;
  overflow:hidden;
}
.back-to-top.is-visible{
  opacity:1;
  pointer-events:auto;
  transform:translateY(0);
}

.lightbox{
  position:fixed;
  inset:0;
  display:none;
  place-items:center;
  background:rgba(0,0,0,.72);
  z-index:80;
  padding:20px;
}
.lightbox.is-open{display:grid}
.lightbox-img{
  max-width:min(980px, 92vw);
  max-height:72vh;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
  box-shadow:0 24px 90px rgba(0,0,0,.55);
}
.lightbox-caption{color:rgba(255,255,255,.86);margin:12px 0 0}
.lightbox-close{
  position:fixed;
  top:16px;
  right:16px;
  width:46px;
  height:46px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.95);
  cursor:pointer;
  overflow:hidden;
}

[data-reveal]{
  opacity:0;
  transform: translateY(16px);
  transition: opacity .65s ease, transform .65s ease;
}
.is-revealed{
  opacity:1;
  transform: translateY(0);
}

@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr;gap:22px}
  .hero-media{order:-1}
  .about-grid{grid-template-columns:1fr}
  .grid.cards{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}

@media (max-width: 720px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-menu{
    position:fixed;
    inset:70px 16px auto 16px;
    padding:14px;
    border-radius:18px;
    border:1px solid rgba(255,255,255,.14);
    background:rgba(18,11,45,.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display:none;
    flex-direction:column;
    gap:12px;
    box-shadow: var(--shadow);
  }
  .nav-menu.is-open{display:flex}
  .nav-link{width:100%;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.06)}
  .grid.cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr}
}

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