/* ============================================================
   Sri Spectra Diagnostics & Clinic
   Palette pulled from brand logo (greens)
   ============================================================ */
:root{
  --green:#49722F;       /* primary brand green (caduceus) */
  --green-deep:#2E4D1F;  /* deep green text/depth */
  --green-dark:#1F3614;
  --sage:#C6D5C2;        /* soft cross background */
  --sage-tint:#EDF3EA;   /* very light section wash */
  --lime:#9DC04A;        /* outer-ring lime accent */
  --cream:#FBFCF9;
  --ink:#22301B;
  --muted:#5C6B53;
  --white:#ffffff;
  --line:#DCE6D6;
  --shadow:0 18px 40px -18px rgba(31,54,20,.28);
  --shadow-sm:0 8px 20px -12px rgba(31,54,20,.25);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1180px;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Outfit','Segoe UI',system-ui,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;color:var(--green-deep);letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.6rem)}
h3{font-size:1.25rem}
p{color:var(--muted)}
.eyebrow{
  font-family:var(--sans);font-weight:600;font-size:.78rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--green);display:inline-flex;align-items:center;gap:.5rem;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);display:inline-block}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;justify-content:center;
  font-family:var(--sans);font-weight:600;font-size:.98rem;
  padding:.85rem 1.5rem;border-radius:999px;cursor:pointer;border:2px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-primary{background:var(--green);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--green-deep);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--green-deep);border-color:var(--green)}
.btn-ghost:hover{background:var(--green);color:#fff;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--green-deep)}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-lg{padding:1rem 1.9rem;font-size:1.05rem}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(251,252,249,.88);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 6px 24px -16px rgba(31,54,20,.4)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem}
.brand img{width:50px;height:50px;border-radius:50%}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text b{font-family:var(--serif);font-size:1.12rem;color:var(--green-deep);font-weight:600}
.brand-text span{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green)}
.nav-links{display:flex;align-items:center;gap:2rem;list-style:none}
.nav-links a{font-weight:500;font-size:.98rem;color:var(--ink);position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--green);transition:width .3s ease}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:.8rem}
.nav-phone{font-weight:600;color:var(--green-deep);font-size:.95rem;display:flex;align-items:center;gap:.4rem}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:26px;height:2px;background:var(--green-deep);transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:
   radial-gradient(1100px 500px at 80% -10%,rgba(157,192,74,.18),transparent 60%),
   linear-gradient(180deg,var(--sage-tint),var(--cream));
   padding:clamp(3rem,7vw,6rem) 0 clamp(3rem,6vw,5rem)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.hero h1{margin:.8rem 0 1rem}
.hero h1 .accent{color:var(--green);font-style:italic}
.hero-sub{font-size:1.15rem;max-width:34ch;margin-bottom:1.8rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-art{position:relative}
.hero-card{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  padding:0;overflow:hidden;border:1px solid var(--line);
}
.hero-card .visual{aspect-ratio:4/3;width:100%}
.hero-badges{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1.6rem}
.badge{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:.5rem 1rem;font-size:.85rem;font-weight:600;color:var(--green-deep);
  display:flex;align-items:center;gap:.45rem;box-shadow:var(--shadow-sm)
}
.badge svg{width:16px;height:16px;color:var(--green)}

/* ---------- trust strip ---------- */
.trust-strip{background:var(--green-deep);color:#fff;padding:0}
.trust-track{display:flex;align-items:center;gap:2.5rem;justify-content:center;
  flex-wrap:wrap;padding:1rem 24px;font-weight:500;font-size:.95rem}
.trust-track span{display:flex;align-items:center;gap:.5rem;opacity:.95}
.trust-track .dot{width:5px;height:5px;border-radius:50%;background:var(--lime)}

/* ---------- sections ---------- */
section{padding:clamp(3.2rem,6vw,5.5rem) 0}
.section-head{max-width:62ch;margin-bottom:2.6rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin:.6rem 0 .7rem}
.tinted{background:var(--sage-tint)}
.intro-split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}

/* ---------- service cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--green),var(--lime));transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleX(1)}
.card .ico{width:54px;height:54px;border-radius:14px;background:var(--sage-tint);
  display:grid;place-items:center;margin-bottom:1.1rem;color:var(--green)}
.card .ico svg{width:28px;height:28px}
.card h3{margin-bottom:.5rem}
.card p{font-size:.96rem}

/* ---------- why / usp ---------- */
.usp-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1.2rem}
.usp{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:1.5rem 1.2rem;text-align:center}
.usp .n{font-family:var(--serif);font-size:2rem;color:var(--green);font-weight:600;line-height:1}
.usp h3{font-size:1rem;margin:.7rem 0 .35rem}
.usp p{font-size:.85rem}

/* ---------- packages ---------- */
.pkgs{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.pkg{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:2rem;position:relative;transition:transform .3s ease,box-shadow .3s ease}
.pkg:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.pkg.featured{border:2px solid var(--green);background:linear-gradient(180deg,var(--sage-tint),#fff)}
.pkg .tag{position:absolute;top:1.4rem;right:1.4rem;background:var(--green);color:#fff;
  font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:.3rem .7rem;border-radius:999px}
.pkg .price{font-family:var(--serif);font-size:2.4rem;color:var(--green-deep);font-weight:600;margin:.4rem 0}
.pkg .price small{font-size:.95rem;color:var(--muted);font-family:var(--sans);font-weight:500}
.pkg ul{list-style:none;margin:1.2rem 0 1.6rem}
.pkg li{font-size:.94rem;color:var(--muted);padding:.4rem 0 .4rem 1.7rem;position:relative}
.pkg li::before{content:"";position:absolute;left:0;top:.7rem;width:14px;height:14px;
  background:var(--lime);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}

/* ---------- areas ---------- */
.areas{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:.5rem 1.05rem;font-size:.9rem;font-weight:500;color:var(--green-deep)}

/* ---------- cta band ---------- */
.cta-band{background:
   radial-gradient(800px 300px at 15% 120%,rgba(157,192,74,.25),transparent),
   var(--green-deep);color:#fff;border-radius:28px;padding:clamp(2.4rem,5vw,3.6rem);
   text-align:center;box-shadow:var(--shadow)}
.cta-band h2{color:#fff;margin-bottom:.7rem}
.cta-band p{color:rgba(255,255,255,.85);max-width:50ch;margin:0 auto 1.6rem}
.cta-band .hero-cta{justify-content:center}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:.8rem;overflow:hidden;transition:box-shadow .3s ease}
.faq-item.open{box-shadow:var(--shadow-sm)}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:1.15rem 1.4rem;cursor:pointer;font-weight:600;color:var(--green-deep);font-size:1.02rem}
.faq-q .pl{width:22px;height:22px;flex:0 0 auto;position:relative;transition:transform .3s ease}
.faq-q .pl::before,.faq-q .pl::after{content:"";position:absolute;background:var(--green);border-radius:2px}
.faq-q .pl::before{top:10px;left:2px;right:2px;height:2px}
.faq-q .pl::after{left:10px;top:2px;bottom:2px;width:2px;transition:transform .3s ease}
.faq-item.open .pl::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 1.4rem 1.2rem;font-size:.96rem}

/* ---------- footer ---------- */
.site-footer{background:var(--green-dark);color:rgba(255,255,255,.8);padding:3.5rem 0 1.5rem;margin-top:1rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;margin-bottom:2.2rem}
.site-footer h4{color:#fff;font-family:var(--serif);font-size:1.15rem;margin-bottom:1rem;font-weight:600}
.site-footer a:hover{color:var(--lime)}
.footer-brand{display:flex;align-items:center;gap:.7rem;margin-bottom:1rem}
.footer-brand img{width:54px;height:54px;border-radius:50%}
.footer-brand b{color:#fff;font-family:var(--serif);font-size:1.2rem}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:.6rem;font-size:.94rem}
.footer-info p{font-size:.92rem;color:rgba(255,255,255,.75);margin-bottom:.55rem}
.footer-pndt{font-size:.82rem;font-style:italic;color:rgba(255,255,255,.6);
  border-top:1px solid rgba(255,255,255,.15);padding-top:1.2rem;margin-top:1rem}
.footer-bottom{text-align:center;font-size:.85rem;color:rgba(255,255,255,.55);
  border-top:1px solid rgba(255,255,255,.12);padding-top:1.3rem;margin-top:1.3rem}

/* ---------- mobile sticky bar ---------- */
.mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;
  background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px -16px rgba(0,0,0,.3)}
.mobile-bar a{flex:1;text-align:center;padding:.85rem 0;font-weight:600;font-size:.85rem;
  display:flex;flex-direction:column;align-items:center;gap:.2rem;color:var(--green-deep)}
.mobile-bar a svg{width:20px;height:20px}
.mobile-bar a.book{background:var(--green);color:#fff}

/* ---------- floating whatsapp ---------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:55;width:56px;height:56px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;box-shadow:var(--shadow);transition:transform .25s ease}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;color:#fff}

/* ---------- page hero (inner pages) ---------- */
.page-hero{background:
   radial-gradient(700px 320px at 90% -20%,rgba(157,192,74,.16),transparent 60%),
   linear-gradient(180deg,var(--sage-tint),var(--cream));padding:clamp(2.6rem,5vw,4rem) 0}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:.8rem}
.breadcrumb a:hover{color:var(--green)}
.page-hero p{font-size:1.1rem;max-width:60ch;margin-top:.8rem}

/* ---------- about ---------- */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.3rem;margin-top:1rem}
.value{display:flex;gap:1rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.4rem}
.value .ico{width:46px;height:46px;border-radius:12px;background:var(--sage-tint);display:grid;place-items:center;color:var(--green);flex:0 0 auto}
.value .ico svg{width:24px;height:24px}
.value h3{font-size:1.05rem;margin-bottom:.3rem}
.value p{font-size:.92rem}
.docs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
.doc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;text-align:center;transition:transform .3s ease,box-shadow .3s ease}
.doc:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.doc .av{width:84px;height:84px;border-radius:50%;margin:0 auto 1rem;background:var(--sage);
  display:grid;place-items:center;font-family:var(--serif);font-size:1.8rem;color:var(--green-deep);font-weight:600}
.doc h3{font-size:1.1rem;margin-bottom:.2rem}
.doc .qual{font-size:.85rem;color:var(--green);font-weight:600}
.doc .spec{font-size:.9rem;color:var(--muted);margin-top:.3rem}

/* ---------- services detail ---------- */
.svc-block{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center;margin-bottom:1rem}
.svc-block.rev .svc-visual{order:2}
.svc-visual{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--line);aspect-ratio:4/3}
.svc-text h2{font-size:1.7rem;margin:.5rem 0 .8rem}
.svc-text .pndt{background:#FFF4E6;border-left:4px solid #D98A00;padding:.8rem 1rem;border-radius:8px;
  font-size:.88rem;color:#7a4f00;margin-top:1rem;font-style:italic}
.svc-list{list-style:none;margin:1rem 0}
.svc-list li{font-size:.96rem;color:var(--muted);padding:.35rem 0 .35rem 1.6rem;position:relative}
.svc-list li::before{content:"";position:absolute;left:0;top:.65rem;width:13px;height:13px;
  background:var(--green);mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6L9 17l-5-5' fill='none' stroke='%23000' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:2.5rem;align-items:start}
.contact-info{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem}
.info-row{display:flex;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:none}
.info-row .ico{width:44px;height:44px;border-radius:12px;background:var(--sage-tint);display:grid;place-items:center;color:var(--green);flex:0 0 auto}
.info-row .ico svg{width:22px;height:22px}
.info-row b{display:block;color:var(--green-deep);font-size:.95rem}
.info-row a,.info-row span{color:var(--muted);font-size:.95rem}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-sm)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:600;font-size:.88rem;color:var(--green-deep);margin-bottom:.4rem}
.field input,.field select,.field textarea{
  width:100%;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:10px;
  font-family:var(--sans);font-size:.95rem;color:var(--ink);background:var(--cream);transition:border-color .2s ease}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green)}
.field textarea{resize:vertical;min-height:90px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-msg{padding:.9rem 1rem;border-radius:10px;font-size:.92rem;font-weight:500;margin-bottom:1rem;display:none}
.form-msg.ok{display:block;background:var(--sage-tint);color:var(--green-deep);border:1px solid var(--green)}
.form-msg.err{display:block;background:#FDECEC;color:#9B1C1C;border:1px solid #E57373}
.map-embed{margin-top:1.5rem;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:340px}
.map-embed iframe{width:100%;height:100%;border:0}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero-grid,.intro-split,.svc-block,.contact-grid{grid-template-columns:1fr;gap:2rem}
  .svc-block.rev .svc-visual{order:0}
  .cards,.docs-grid{grid-template-columns:1fr 1fr}
  .usp-grid{grid-template-columns:repeat(2,1fr)}
  .pkgs{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  body{font-size:16px}
  .nav-links,.nav-phone{display:none}
  .nav-links.show{display:flex;position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;padding:1.2rem 24px;gap:1.1rem;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .burger{display:flex}
  .cards,.docs-grid,.value-grid,.form-row,.footer-grid{grid-template-columns:1fr}
  .usp-grid{grid-template-columns:1fr 1fr}
  .mobile-bar{display:flex}
  .wa-float{bottom:74px}
  body{padding-bottom:60px}
  .nav-cta .btn{display:none}
  .trust-track{gap:1rem;font-size:.82rem}
}