:root{
  --sky:#075b7d;
  --sky2:#0a789f;
  --sky-dark:#043c55;
  --sky-soft:#eaf7fb;
  --white:#fff;
  --orange:#b25615;
  --ink:#17313d;
  --muted:#6c7f87;
  --line:#dce9ee;
  --shadow:0 18px 50px rgba(3,48,68,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.7}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,92%);margin:auto}
.topbar{background:var(--sky-dark);color:#dff6ff;font-size:13px}
.topbar .inner{display:flex;justify-content:space-between;gap:20px;padding:9px 0}
.topbar span{display:inline-flex;align-items:center;gap:7px}
.header{position:absolute;left:0;right:0;top:34px;z-index:20;background:rgba(255,255,255,.97);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.header .inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;color:var(--sky-dark);font-size:21px;line-height:1.05}
.logo-mark{width:45px;height:45px;border-radius:14px;background:linear-gradient(135deg,var(--sky),var(--sky2));display:grid;place-items:center;color:#fff;font-size:23px;box-shadow:0 8px 20px rgba(7,91,125,.25)}
.logo small{display:block;font-size:10px;letter-spacing:1.5px;color:var(--orange);margin-top:4px}
.nav{display:flex;align-items:center;gap:4px}
.nav a,.dropbtn{padding:27px 12px;font-size:14px;font-weight:700;color:#294652;background:none;border:0;cursor:pointer}
.nav a:hover,.dropbtn:hover{color:var(--orange)}
.dropdown{position:relative}
.dropdown-menu{display:none;position:absolute;top:74px;left:0;width:235px;background:#fff;border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:10px}
.dropdown:hover .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:9px 12px;border-radius:8px}
.dropdown-menu a:hover{background:var(--sky-soft)}
.header-cta{background:var(--orange)!important;color:#fff!important;border-radius:8px!important;padding:12px 18px!important}
.menu-toggle{display:none;border:0;background:var(--sky);color:#fff;width:44px;height:44px;border-radius:10px;font-size:22px}
.hero{height:50vh;min-height:520px;position:relative;overflow:hidden;background:#063f59}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.05);transition:opacity .9s ease,transform 6s ease}
.slide.active{opacity:1;transform:scale(1)}
.slide:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(1,38,55,.88),rgba(4,68,91,.52),rgba(4,48,66,.18))}
.hero-content{position:relative;z-index:2;height:100%;display:flex;align-items:center;color:#fff;padding-top:80px}
.hero-copy{max-width:720px;animation:rise .9s ease both}
.eyebrow{font-size:13px;text-transform:uppercase;letter-spacing:2px;font-weight:800;color:#cbeef9;margin-bottom:12px}
.hero h1{font-size:clamp(36px,5vw,68px);line-height:1.05;margin-bottom:18px}
.hero h1 span,.accent{color:#ffb476}
.hero p{font-size:18px;max-width:650px;color:#eefaff}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;padding:13px 22px;border-radius:8px;font-weight:800;transition:.25s}
.btn-primary{background:var(--orange);color:#fff}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 25px rgba(178,86,21,.28)}
.btn-light{background:#fff;color:var(--sky-dark)}.btn-outline{border-color:#fff;color:#fff}
.dots{position:absolute;z-index:3;bottom:25px;left:50%;transform:translateX(-50%);display:flex;gap:8px}
.dot{width:9px;height:9px;border-radius:50%;background:#fff8;cursor:pointer}.dot.active{background:#fff;width:28px;border-radius:10px}
.page-hero{height:25vh;min-height:240px;background:linear-gradient(110deg,var(--sky-dark),var(--sky2));position:relative;display:flex;align-items:flex-end;color:#fff;padding-bottom:36px;overflow:hidden}
.page-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.14),transparent 35%)}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(34px,4vw,54px);line-height:1.1}
.page-hero p{opacity:.86;margin-top:5px}
.section{padding:88px 0}
.section.soft{background:var(--sky-soft)}
.section-head{max-width:720px;margin:0 auto 45px;text-align:center}
.kicker{font-size:12px;text-transform:uppercase;letter-spacing:2px;color:var(--orange);font-weight:900}
.section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.15;margin:9px 0 12px;color:var(--sky-dark)}
.section-head p{color:var(--muted)}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 25px rgba(5,65,88,.06);transition:.3s}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.card-body{padding:24px}
.card h3{color:var(--sky-dark);font-size:21px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}
.card-img{height:220px;object-fit:cover;width:100%}
.icon{width:58px;height:58px;border-radius:15px;background:var(--sky-soft);color:var(--sky);display:grid;place-items:center;font-size:26px;margin-bottom:17px}
.about{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
.about img{border-radius:24px;box-shadow:var(--shadow);height:500px;width:100%;object-fit:cover}
.about h2{font-size:clamp(30px,4vw,46px);line-height:1.15;color:var(--sky-dark);margin:8px 0 18px}
.about p{color:var(--muted);margin-bottom:15px}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0}
.check{font-weight:700;font-size:14px}.check:before{content:"✓";color:var(--orange);font-weight:900;margin-right:9px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:35px}
.stat{background:#fff;border-radius:16px;padding:24px;text-align:center;border:1px solid var(--line)}
.stat strong{display:block;font-size:31px;color:var(--orange)}
.stat span{font-size:13px;color:var(--muted)}
.service-card .icon{font-size:28px}
.service-card a{color:var(--orange);font-weight:800;font-size:13px;display:inline-block;margin-top:15px}
.appointment{background:linear-gradient(135deg,var(--sky-dark),var(--sky));color:#fff}
.appointment .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:center}
.appointment h2{font-size:clamp(30px,4vw,48px);line-height:1.1;margin:8px 0 15px}
.appointment p{color:#d8f3fb}
.form{background:#fff;border-radius:22px;padding:28px;color:var(--ink);box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form input,.form select,.form textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:9px;outline:none;font:inherit;background:#fff}
.form textarea{min-height:110px;resize:vertical}
.full{grid-column:1/-1}
.testimonial{padding:35px;border-radius:22px;background:#fff;border:1px solid var(--line);height:100%}
.quote{font-size:42px;color:var(--orange);line-height:1}
.testimonial p{color:var(--muted);font-size:15px}
.testimonial strong{display:block;margin-top:20px;color:var(--sky-dark)}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery img{height:240px;width:100%;object-fit:cover;border-radius:16px;cursor:pointer;transition:.3s}
.gallery img:hover{transform:scale(1.025)}
.faq{max-width:900px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;padding:20px 0;background:none;border:0;text-align:left;font-size:17px;font-weight:800;color:var(--sky-dark);display:flex;justify-content:space-between;cursor:pointer}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted)}
.faq-item.open .faq-a{max-height:200px;padding-bottom:18px}
.footer{background:#052d3e;color:#cce4eb;padding:65px 0 85px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:35px}
.footer h3{color:#fff;margin-bottom:17px;font-size:17px}
.footer p,.footer a{font-size:14px;color:#b8d5de}.footer a:hover{color:#fff}
.footer ul{list-style:none;display:grid;gap:8px}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:22px;font-size:13px;color:#91b5c0;display:flex;justify-content:space-between;gap:20px}
.whatsapp{position:fixed;right:22px;bottom:22px;z-index:50;background:#25d366;color:#fff;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;font-size:28px;box-shadow:0 12px 25px rgba(37,211,102,.35);animation:pulse 2s infinite}
.mobile-bottom{display:none}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}.reveal.show{opacity:1;transform:none}
@keyframes rise{from{opacity:0;transform:translateY(25px)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{box-shadow:0 12px 25px rgba(37,211,102,.35)}50%{box-shadow:0 12px 35px rgba(37,211,102,.55)}}
@media(max-width:980px){
 .nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:12px 4%;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav.open{display:flex}.nav a,.dropbtn{padding:12px}.dropdown-menu{position:static;width:auto;box-shadow:none;padding:0 10px;display:none}.dropdown.open .dropdown-menu{display:block}
 .menu-toggle{display:block}.header-cta{display:none}
 .grid-4{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr}
 .about,.appointment .wrap{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.gallery{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
 .topbar .inner{justify-content:center;font-size:11px}.topbar span:first-child{display:none}
 .hero{min-height:570px}.hero h1{font-size:40px}.hero p{font-size:15px}.hero-content{padding-top:90px}
 .grid-3,.grid-4,.gallery,.footer-grid,.form-grid{grid-template-columns:1fr}
 .about img{height:360px}.stats{grid-template-columns:1fr 1fr}
 .section{padding:65px 0}.page-hero{min-height:220px}
 .copyright{flex-direction:column}.mobile-bottom{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:45;background:#fff;border-top:1px solid var(--line);height:60px}
 .mobile-bottom a{flex:1;display:grid;place-items:center;font-size:11px;font-weight:800;color:var(--sky-dark)}.mobile-bottom a span{font-size:21px;line-height:1;color:var(--orange)}
 .whatsapp{bottom:75px;right:15px;width:52px;height:52px;font-size:24px}
}

/* Premium content additions */
.rich-copy{max-width:900px;margin:auto}.rich-copy p{color:var(--muted);margin:0 0 18px;font-size:15px}.feature-band{background:linear-gradient(135deg,#f4fbfd,#fff);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lightbox{position:fixed;inset:0;background:rgba(2,24,34,.94);z-index:100;display:none;align-items:center;justify-content:center;padding:30px}.lightbox.open{display:flex}.lightbox img{max-width:92vw;max-height:84vh;width:auto!important;height:auto!important;object-fit:contain!important;border-radius:12px!important;box-shadow:0 30px 80px rgba(0,0,0,.45)}.lightbox-close,.lightbox-prev,.lightbox-next{position:absolute;border:0;background:rgba(255,255,255,.12);color:#fff;width:48px;height:48px;border-radius:50%;font-size:25px;cursor:pointer}.lightbox-close{right:25px;top:22px}.lightbox-prev{left:25px;top:50%;transform:translateY(-50%)}.lightbox-next{right:25px;top:50%;transform:translateY(-50%)}.gallery img{cursor:zoom-in}
@media(max-width:640px){.lightbox{padding:12px}.lightbox-prev{left:10px}.lightbox-next{right:10px}.lightbox-close{right:10px;top:10px}}
.samyak{width:225px;}


/* Language switcher */
.lang-switcher{display:flex;align-items:center;gap:3px;margin-left:4px;padding:3px;background:var(--sky-soft);border:1px solid var(--line);border-radius:9px;flex:0 0 auto}
.lang-btn{border:0;background:transparent;color:var(--sky-dark);font:inherit;font-size:12px;font-weight:800;padding:8px 9px;border-radius:6px;cursor:pointer;white-space:nowrap}
.lang-btn.active{background:var(--sky);color:#fff;box-shadow:0 3px 10px rgba(5,101,137,.18)}
html[lang="hi"] body{font-family:Inter,"Noto Sans Devanagari","Mangal",sans-serif}

/* Critical & Diagnostic Services carousel */
.services-carousel{position:relative;padding:0 52px}
.services-viewport{overflow:hidden;padding:8px 4px 20px}
.services-track{display:flex;gap:24px;transition:transform .45s cubic-bezier(.2,.7,.2,1);will-change:transform}
.service-slide{flex:0 0 calc((100% - 48px)/3);display:flex;flex-direction:column;height:auto}
.service-slide .card-body{display:flex;flex-direction:column;align-items:flex-start;flex:1}
.service-slide .card-body p{flex:1;margin-bottom:18px}
.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--sky-dark);font-size:28px;line-height:1;cursor:pointer;box-shadow:var(--shadow);transition:.2s}
.carousel-btn:hover{background:var(--sky);color:#fff;transform:translateY(-50%) scale(1.05)}
.carousel-prev{left:0}.carousel-next{right:0}
.carousel-dots{display:flex;justify-content:center;gap:8px;margin-top:4px}
.carousel-dot{width:9px;height:9px;border:0;border-radius:99px;background:#bdd7e0;cursor:pointer;transition:.25s;padding:0}
.carousel-dot.active{width:28px;background:var(--orange)}
@media(max-width:980px){
 .lang-switcher{margin:8px 12px 4px;align-self:flex-start}
 .services-carousel{padding:0 48px}.service-slide{flex-basis:calc((100% - 24px)/2)}
}
@media(max-width:640px){
 .services-carousel{padding:0 38px}.service-slide{flex-basis:100%}.services-track{gap:16px}
 .carousel-btn{width:36px;height:36px;font-size:24px}.carousel-prev{left:-2px}.carousel-next{right:-2px}
}