/* Dr. Kamal B Kapur — main stylesheet */
:root{
  --green:#4CBB17;          /* doctor's brand colour */
  --green-dark:#3A9611;
  --green-deep:#1F4D0B;
  --green-tint:#EEF8E8;
  --ink:#1A2418;
  --muted:#5B6657;
  --line:#E3E9DF;
  --bg:#FFFFFF;
  --bg-soft:#F6F9F3;
  --radius:14px;
  --shadow:0 10px 30px rgba(31,77,11,.08);
  --font-head:'Fraunces',Georgia,serif;
  --font-body:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-dark);text-decoration:none}
a:hover{color:var(--green-deep)}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:600;line-height:1.2;margin:0 0 .6em;color:var(--ink)}
h1{font-size:clamp(2rem,4.5vw,3.25rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section--soft{background:var(--bg-soft)}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green-dark);margin-bottom:.8em}
.lead{font-size:1.1rem;color:var(--muted)}
.center{text-align:center}
.section-head{max-width:720px;margin:0 auto 48px;text-align:center}
.section-head p{color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:.2s;font-family:inherit}
.btn--primary{background:var(--green);color:#fff}
.btn--primary:hover{background:var(--green-dark);color:#fff}
.btn--outline{border-color:var(--green);color:var(--green-dark);background:transparent}
.btn--outline:hover{background:var(--green);color:#fff}
.btn--light{background:#fff;color:var(--green-deep)}
.btn--light:hover{background:var(--green-tint);color:var(--green-deep)}
.btn--outline-light{border-color:rgba(255,255,255,.7);color:#fff}
.btn--outline-light:hover{background:rgba(255,255,255,.12);color:#fff}

/* Top bar */
.topbar{background:var(--green-deep);color:#DCEFD2;font-size:.85rem}
.topbar__inner{display:flex;justify-content:space-between;gap:16px;padding-top:8px;padding-bottom:8px}
.topbar a{color:#fff}
.topbar__links{display:flex;gap:20px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between;min-height:104px;gap:20px}
.brand{flex-shrink:0}
.brand img{height:88px;width:auto;max-width:320px;object-fit:contain}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav>ul{list-style:none;margin:0;padding:0;display:flex;gap:6px}
.main-nav li{position:relative}
.main-nav>ul>li>a{display:flex;align-items:center;gap:6px;padding:10px 14px;color:var(--ink);font-weight:500;border-radius:8px}
.main-nav>ul>li>a:hover,.main-nav>ul>li>a.active{color:var(--green-dark)}
.main-nav>ul>li>a.active{background:var(--green-tint)}
.caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.sub{list-style:none;margin:0;padding:8px;position:absolute;top:100%;left:0;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:10px 14px;color:var(--ink);border-radius:8px;font-size:.95rem}
.sub a:hover{background:var(--green-tint);color:var(--green-dark)}
.sub-toggle{display:none}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:6px 0;transition:.25s}

/* Hero */
.hero{background:linear-gradient(135deg,var(--green-tint) 0%,#fff 60%);padding:70px 0 80px;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero__sub{font-weight:600;color:var(--green-dark);margin-bottom:1em}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero__media{position:relative}
.hero__media img{border-radius:24px;box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover;object-position:60% 15%;width:100%;background:var(--green-tint)}
.hero__badge{position:absolute;left:-24px;bottom:32px;background:#fff;border-radius:14px;padding:16px 20px;box-shadow:var(--shadow);max-width:250px;border-left:4px solid var(--green)}
.hero__badge strong{display:block;font-family:var(--font-head);font-size:1.05rem}
.hero__badge span{font-size:.85rem;color:var(--muted)}

/* Credential strip */
.cred-strip{background:var(--green-deep);color:#fff;padding:26px 0}
.cred-strip ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cred-strip li{font-size:.92rem;line-height:1.4;padding-left:16px;border-left:2px solid var(--green)}
.cred-strip strong{display:block;font-size:1rem}

/* Two-column */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{background:var(--bg-soft);border-radius:20px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.split--rev>:first-child{order:2}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card__icon{width:52px;height:52px;border-radius:12px;background:var(--green-tint);color:var(--green-dark);display:grid;place-items:center;margin-bottom:18px}
.card p{color:var(--muted);font-size:.95rem;flex:1}
.card__link{font-weight:600;font-size:.92rem}

/* Lists */
.check-list{list-style:none;padding:0;margin:0 0 1.2em}
.check-list li{position:relative;padding-left:32px;margin-bottom:10px}
.check-list li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/12px no-repeat}
.check-list--2col{display:grid;grid-template-columns:1fr 1fr;gap:4px 24px}

/* Pills */
.pills{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.9rem;font-weight:600;color:var(--green-deep)}

/* Recognition */
.recog{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.recog--4{grid-template-columns:repeat(4,1fr)}
.recog__item{background:#fff;border-radius:var(--radius);padding:30px;border-top:4px solid var(--green);box-shadow:var(--shadow)}
.recog__item h3{font-size:1.1rem}
.recog__item p{color:var(--muted);font-size:.95rem;margin:0}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery-grid a{display:block;border-radius:12px;overflow:hidden;aspect-ratio:1/1;background:var(--bg-soft);position:relative}
.gallery-grid img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery-grid a:hover img{transform:scale(1.06)}
.gallery-grid a::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 60%,rgba(31,77,11,.35));opacity:0;transition:.3s}
.gallery-grid a:hover::after{opacity:1}
.tabs{display:flex;justify-content:center;gap:10px;margin-bottom:32px;flex-wrap:wrap}
.tab{padding:10px 22px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:600;cursor:pointer;font-family:inherit;font-size:.95rem;color:var(--ink)}
.tab.is-active{background:var(--green);border-color:var(--green);color:#fff}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);transition:.25s}
.video-card:hover{box-shadow:var(--shadow)}
.video-card .frame{display:block;width:100%;aspect-ratio:16/9;background:#000;position:relative;border:0;padding:0;cursor:pointer;overflow:hidden}
.video-card .frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s,opacity .3s}
.video-card .frame:hover img{transform:scale(1.04);opacity:.85}
.yt__play{position:absolute;left:50%;top:50%;width:68px;height:48px;transform:translate(-50%,-50%);background:var(--green);border-radius:14px;box-shadow:0 6px 20px rgba(0,0,0,.35)}
.yt__play::after{content:"";position:absolute;left:52%;top:50%;transform:translate(-50%,-50%);border-style:solid;border-width:10px 0 10px 17px;border-color:transparent transparent transparent #fff}
.video-card iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-card h3{font-family:var(--font-body);font-size:1rem;font-weight:600;line-height:1.45;padding:16px 20px;margin:0}
.empty-state{text-align:center;padding:60px 20px;border:2px dashed var(--line);border-radius:var(--radius);color:var(--muted)}

/* FAQ */
.faq{max-width:860px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;transition:.2s}
.faq details[open]{border-color:var(--green);box-shadow:var(--shadow)}
.faq summary{list-style:none;cursor:pointer;padding:18px 56px 18px 22px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--green-dark);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 22px 18px;color:var(--muted)}

/* Page banner */
.page-banner{background:linear-gradient(120deg,var(--green-deep),var(--green-dark));color:#fff;padding:64px 0 56px}
.page-banner h1{color:#fff;margin-bottom:.3em}
.page-banner p{color:#DCEFD2;max-width:680px;margin:0}
.crumbs{font-size:.85rem;margin-bottom:14px;color:#BFE3AE}
.crumbs a{color:#fff}

/* Service page layout */
.svc-layout{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.svc-body h2{font-size:1.6rem;margin-top:1.4em}
.svc-body h2:first-child{margin-top:0}
.svc-aside{position:sticky;top:130px;display:grid;gap:20px}
.aside-box{background:var(--bg-soft);border-radius:var(--radius);padding:26px}
.aside-box h3{font-size:1.1rem}
.aside-box ul{list-style:none;margin:0;padding:0}
.aside-box li a{display:block;padding:9px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:.95rem}
.aside-box li a:hover,.aside-box li a.current{color:var(--green-dark);font-weight:600}
.aside-box--green{background:var(--green);color:#fff}
.aside-box--green h3{color:#fff}
.aside-box--green p{color:#F0FAEA;font-size:.95rem}
.note{background:var(--green-tint);border-left:4px solid var(--green);padding:16px 20px;border-radius:8px;font-size:.95rem;margin:1.5em 0}

/* Timeline */
.timeline{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
.timeline li{position:relative;padding:0 0 26px 28px}
.timeline li::before{content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--green-tint)}
.timeline strong{display:block;font-family:var(--font-head);font-size:1.1rem}
.timeline span{color:var(--muted);font-size:.95rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.info-list{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.info-list li{display:flex;gap:16px;align-items:flex-start}
.info-list .ico{flex:0 0 46px;height:46px;border-radius:12px;background:var(--green-tint);color:var(--green-dark);display:grid;place-items:center}
.info-list strong{display:block}
.info-list span,.info-list a{color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:.95rem;background:var(--bg-soft);transition:.2s;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);background:#fff;box-shadow:0 0 0 3px rgba(76,187,23,.15)}
.field textarea{min-height:120px;resize:vertical}
.hp{position:absolute;left:-9999px}
.alert{padding:14px 18px;border-radius:10px;margin-bottom:20px;font-weight:500}
.alert--ok{background:var(--green-tint);color:var(--green-deep);border:1px solid var(--green)}
.alert--err{background:#FDECEC;color:#8A1C1C;border:1px solid #F3B9B9}
.form-note{font-size:.82rem;color:var(--muted);margin-top:12px}
.map-wrap{border-radius:var(--radius);overflow:hidden;margin-top:28px;border:1px solid var(--line)}
.map-wrap iframe{width:100%;height:280px;border:0;display:block}

/* CTA band */
.cta-band{background:var(--green);color:#fff;padding:48px 0}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:.25em}
.cta-band p{margin:0;color:#F0FAEA}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}

/* Footer */
.site-footer{background:#132E07;color:#BFD3B5;font-size:.95rem}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;gap:40px;padding-top:64px;padding-bottom:48px}
.footer__logo{background:#fff;border-radius:10px;padding:10px 14px;height:auto;width:250px;margin-bottom:18px}
.site-footer h3{color:#fff;font-family:var(--font-body);font-size:1rem;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:9px}
.site-footer a{color:#BFD3B5}
.site-footer a:hover{color:var(--green)}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:.82rem}
.footer__bottom-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer__bottom a{color:#fff;font-weight:600}
.footer__bottom span:first-child{max-width:720px}

/* Floating WhatsApp + call */
.float-btn{position:fixed;right:20px;width:56px;height:56px;border-radius:50%;color:#fff;display:grid;place-items:center;z-index:40;transition:transform .2s}
.float-btn:hover{color:#fff;transform:scale(1.07)}
.float-btn--wa{bottom:88px;background:#25D366;box-shadow:0 8px 24px rgba(37,211,102,.45)}
.float-btn--call{bottom:20px;background:var(--green);box-shadow:0 8px 24px rgba(76,187,23,.45)}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(10,20,6,.92);z-index:100;display:flex;align-items:center;justify-content:center;padding:40px}
.lightbox[hidden]{display:none}
.lightbox img{max-height:86vh;max-width:90vw;border-radius:8px}
.lightbox button{position:absolute;background:rgba(255,255,255,.1);border:0;color:#fff;font-size:2.2rem;width:52px;height:52px;border-radius:50%;cursor:pointer;line-height:1}
.lightbox button:hover{background:var(--green)}
.lightbox__close{top:20px;right:20px}
.lightbox__prev{left:20px;top:50%;transform:translateY(-50%)}
.lightbox__next{right:20px;top:50%;transform:translateY(-50%)}

/* Responsive */
@media (max-width:1100px){
  .brand img{height:72px;max-width:250px}
  .main-nav{gap:16px}
  .main-nav>ul>li>a{padding:10px 10px}
}
@media (max-width:1024px){
  .cards,.recog,.recog--4{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(3,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .svc-layout{grid-template-columns:1fr}
  .svc-aside{position:static}
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .main-nav{position:fixed;inset:0 0 0 auto;top:0;width:min(340px,86vw);background:#fff;flex-direction:column;align-items:stretch;padding:90px 20px 30px;gap:20px;box-shadow:-10px 0 40px rgba(0,0,0,.12);transform:translateX(100%);transition:transform .3s;overflow-y:auto}
  .main-nav.is-open{transform:none}
  .main-nav>ul{flex-direction:column;gap:2px}
  .main-nav>ul>li>a{padding:12px 10px}
  .main-nav .caret{display:none}
  .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 12px;display:none;min-width:0}
  .has-sub.is-open .sub{display:block}
  .has-sub:hover .sub{display:none}
  .has-sub.is-open:hover .sub{display:block}
  .sub-toggle{display:block;position:absolute;right:4px;top:6px;width:36px;height:36px;border:0;background:var(--green-tint);border-radius:8px;cursor:pointer}
  .sub-toggle::after{content:"";position:absolute;left:50%;top:45%;width:8px;height:8px;border-right:2px solid var(--green-dark);border-bottom:2px solid var(--green-dark);transform:translate(-50%,-50%) rotate(45deg)}
  .has-sub.is-open .sub-toggle::after{transform:translate(-50%,-20%) rotate(-135deg)}
  .nav-toggle{position:relative;z-index:60}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .hero__grid,.split,.contact-grid{grid-template-columns:1fr;gap:36px}
  .split--rev>:first-child{order:0}
  .hero__badge{left:16px}
  .cred-strip ul{grid-template-columns:1fr 1fr}
  .video-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .section{padding:56px 0}
  .topbar__inner>span:first-child{display:none}
  .topbar__links{gap:14px;font-size:.8rem;flex-wrap:wrap}
  .cards,.recog,.recog--4,.check-list--2col,.form-row{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .footer__grid{grid-template-columns:1fr}
  .form-card{padding:24px}
  .video-grid{grid-template-columns:1fr}
  .float-btn{width:50px;height:50px;right:14px}
  .float-btn--wa{bottom:76px}
  .float-btn--call{bottom:16px}
  .brand img{height:64px;max-width:230px}
  .header__inner{min-height:84px}
  .lightbox{padding:10px}
  .lightbox__prev,.lightbox__next{top:auto;bottom:20px;transform:none}
}