/* ============================================================
   NERO RAJJO BIOLOGICO PVT. LTD. — Brand Stylesheet
   Palette from company brochure: petrol teal, deep navy, aqua
   ============================================================ */
:root{
  --petrol:#0B4A5A;        /* deep petrol teal */
  --teal:#17869B;          /* primary brand teal */
  --aqua:#3FB6C9;          /* light aqua */
  --ink:#0F2E3A;           /* heading navy */
  --mist:#EAF4F6;          /* pale teal tint */
  --paper:#F7FAFB;         /* off white bg */
  --white:#ffffff;
  --amber:#F2A93B;         /* warm accent (hen beak/eye) */
  --line:#D5E5E9;
  --shadow:0 10px 30px rgba(11,74,90,.12);
  --radius:18px;
  --font-display:'Archivo',system-ui,sans-serif;
  --font-body:'Source Sans 3','Segoe UI',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:#2b4650;background:var(--paper);font-size:17px;line-height:1.65}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.15;letter-spacing:-.01em}
.container{width:min(1160px,92%);margin:0 auto}
.section{padding:72px 0}
.section.tint{background:var(--mist)}
.eyebrow{display:inline-block;font-family:var(--font-display);font-weight:700;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);background:var(--mist);border:1px solid var(--line);padding:6px 14px;border-radius:999px;margin-bottom:14px}
.section.tint .eyebrow{background:var(--white)}
.section-title{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800;margin-bottom:12px}
.section-sub{max-width:640px;color:#4a6570;margin-bottom:36px}
.center{text-align:center}.center .section-sub{margin-left:auto;margin-right:auto}

/* ---------- Buttons ---------- */
.btn{display:inline-block;font-family:var(--font-display);font-weight:700;font-size:.95rem;padding:13px 28px;border-radius:999px;transition:.25s;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--teal);color:var(--white)}
.btn-primary:hover{background:var(--petrol);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-outline{border-color:var(--teal);color:var(--teal);background:transparent}
.btn-outline:hover{background:var(--teal);color:var(--white)}
.btn-light{background:var(--white);color:var(--petrol)}
.btn-light:hover{background:var(--amber);color:var(--ink);transform:translateY(-2px)}

/* ---------- Top bar ---------- */
.topbar{background:var(--petrol);color:#cfe7ec;font-size:.85rem;padding:7px 0}
.topbar .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar a{color:#fff}

/* ---------- Header ---------- */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);box-shadow:0 2px 14px rgba(11,74,90,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:300px;height:66px;flex:none}
.brand .name{font-family:var(--font-display);font-weight:800;font-size:1.25rem;color:var(--ink);line-height:1.05}
.brand .name span{display:block;font-weight:600;font-size:.68rem;letter-spacing:.32em;color:var(--teal)}
.navlinks{display:flex;align-items:center;gap:28px;list-style:none}
.navlinks a{font-family:var(--font-display);font-weight:600;font-size:.95rem;color:var(--ink);position:relative;padding:6px 0}
.navlinks a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2.5px;background:var(--teal);border-radius:2px;transition:.25s}
.navlinks a:hover::after,.navlinks a.active::after{width:100%}
.navlinks a.active{color:var(--teal)}
.nav-cta{margin-left:6px}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:6px}
.hamburger span{display:block;width:26px;height:3px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--white) 0%,var(--mist) 55%,#d9eef2 100%)}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:84px 0 110px}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:800;margin:14px 0 18px}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero p.lead{font-size:1.12rem;color:#41606c;max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap}
.hero-stats .stat b{font-family:var(--font-display);font-size:1.7rem;color:var(--petrol);display:block}
.hero-stats .stat span{font-size:.85rem;color:#587885;text-transform:uppercase;letter-spacing:.08em}
/* circle collage — signature motif from the brochure */
.collage{position:relative;height:440px}
.collage .ring{position:absolute;border-radius:50%;overflow:hidden;box-shadow:var(--shadow);border:7px solid var(--white)}
.collage .r1{width:300px;height:300px;right:6%;top:8%;background:radial-gradient(circle at 30% 30%,#3FB6C9,#0B4A5A)}
.collage .r2{width:180px;height:180px;left:4%;top:0;background:radial-gradient(circle at 35% 30%,#F2A93B,#c97b12)}
.collage .r3{width:210px;height:210px;left:12%;bottom:2%;background:radial-gradient(circle at 30% 35%,#8ed4df,#17869B)}
.collage .ring svg{width:60%;height:60%;position:absolute;inset:0;margin:auto;opacity:.9}
.hero-curve{position:absolute;bottom:-1px;left:0;width:100%;line-height:0}
.hero-curve svg{width:100%;height:70px;display:block}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:26px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--aqua)}
.card .icon{width:56px;height:56px;border-radius:16px;background:var(--mist);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .icon svg{width:30px;height:30px}
.card h3{font-size:1.15rem;margin-bottom:8px}
.card p{font-size:.95rem;color:#4a6570}

/* segment chips (home) */
.seg-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:14px}
.seg-chip{display:flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:13px 16px;font-family:var(--font-display);font-weight:600;font-size:.9rem;color:var(--ink);transition:.2s}
.seg-chip:hover{border-color:var(--teal);background:var(--mist);transform:translateY(-2px)}
.seg-chip .dot{width:9px;height:9px;border-radius:50%;background:var(--teal);flex:none}

/* ---------- Product catalog ---------- */
.toolbar{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:28px}
.search-box{flex:1;min-width:230px;position:relative}
.search-box input{width:100%;padding:13px 18px 13px 44px;border:1.5px solid var(--line);border-radius:999px;font:inherit;font-size:.95rem;background:var(--white);outline:none;transition:.2s}
.search-box input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(23,134,155,.12)}
.search-box svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:#7fa0ab}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter-btn{font-family:var(--font-display);font-weight:600;font-size:.82rem;padding:9px 16px;border-radius:999px;border:1.5px solid var(--line);background:var(--white);color:#3d5b66;cursor:pointer;transition:.2s}
.filter-btn:hover{border-color:var(--teal);color:var(--teal)}
.filter-btn.active{background:var(--teal);border-color:var(--teal);color:#fff}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.prod-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.prod-head{background:linear-gradient(135deg,var(--petrol),var(--teal) 70%,var(--aqua));padding:22px 24px;color:#fff;position:relative}
.prod-head::after{content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;background:rgba(255,255,255,.12)}
.prod-head .form{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);padding:4px 10px;border-radius:999px;display:inline-block;margin-bottom:10px}
.prod-head h3{color:#fff;font-size:1.28rem}
.prod-body{padding:20px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.prod-body .seg{font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--teal)}
.prod-body p{font-size:.94rem;color:#4a6570;flex:1}
.prod-body .enquire{font-family:var(--font-display);font-weight:700;font-size:.88rem;color:var(--petrol);display:inline-flex;align-items:center;gap:6px}
.prod-body .enquire:hover{color:var(--teal)}
.no-results{grid-column:1/-1;text-align:center;padding:50px 20px;color:#6c8893;font-size:1.05rem;display:none}
.rx-note{font-size:.8rem;color:#96613c;background:#fdf3e4;border:1px solid #f3ddb7;border-radius:8px;padding:3px 9px;display:inline-block}

/* ---------- About / split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .visual{position:relative;min-height:380px;border-radius:24px;overflow:hidden;background:linear-gradient(150deg,var(--petrol),var(--teal))}
.split .visual .big-circle{position:absolute;width:130%;height:130%;border-radius:50%;border:60px solid rgba(255,255,255,.08);left:-40%;top:-15%}
.split .visual .inner{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.split .visual svg{width:44%;height:44%;opacity:.92}
.checklist{list-style:none;margin-top:22px}
.checklist li{padding:9px 0 9px 36px;position:relative;color:#3a5762}
.checklist li::before{content:"";position:absolute;left:0;top:12px;width:22px;height:22px;border-radius:50%;background:var(--mist);border:1.5px solid var(--aqua)}
.checklist li::after{content:"";position:absolute;left:6px;top:18px;width:10px;height:6px;border-left:2.5px solid var(--teal);border-bottom:2.5px solid var(--teal);transform:rotate(-45deg)}

/* ---------- Process / quality steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;counter-increment:step}
.step::before{content:counter(step,decimal-leading-zero);font-family:var(--font-display);font-weight:800;font-size:2rem;color:var(--aqua);opacity:.55;display:block;margin-bottom:10px}
.step h4{font-size:1.02rem;margin-bottom:8px}
.step p{font-size:.9rem;color:#4a6570}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--petrol) 0%,var(--teal) 100%);border-radius:26px;padding:56px;display:flex;justify-content:space-between;align-items:center;gap:32px;position:relative;overflow:hidden}
.cta-band::before,.cta-band::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-band::before{width:260px;height:260px;right:-70px;top:-90px}
.cta-band::after{width:170px;height:170px;right:130px;bottom:-80px}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.8vw,2.1rem);max-width:560px}
.cta-band p{color:#cfe7ec;margin-top:8px;max-width:520px}
.cta-band .btn{position:relative;z-index:1;flex:none}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px}
.info-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-bottom:18px;display:flex;gap:18px}
.info-card .icon{width:50px;height:50px;flex:none;border-radius:14px;background:var(--mist);display:flex;align-items:center;justify-content:center}
.info-card h4{font-size:1rem;margin-bottom:4px}
.info-card p{font-size:.95rem;color:#4a6570}
form.contact{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f-group{margin-bottom:18px}
.f-group label{display:block;font-family:var(--font-display);font-weight:600;font-size:.85rem;color:var(--ink);margin-bottom:7px}
.f-group input,.f-group select,.f-group textarea{width:100%;padding:12px 15px;border:1.5px solid var(--line);border-radius:12px;font:inherit;font-size:.95rem;background:var(--paper);outline:none;transition:.2s}
.f-group input:focus,.f-group select:focus,.f-group textarea:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(23,134,155,.12);background:#fff}
.form-note{font-size:.83rem;color:#6c8893;margin-top:12px}

/* ---------- Footer ---------- */
footer.site{background:var(--ink);color:#a9c6cf;margin-top:80px}
.foot-wave{line-height:0;background:var(--paper)}
.foot-wave svg{width:100%;height:60px;display:block}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding:56px 0 40px}
.foot-grid h4{color:#fff;font-size:1rem;margin-bottom:16px}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:9px}
.foot-grid a{color:#a9c6cf;font-size:.93rem}
.foot-grid a:hover{color:var(--aqua)}
.foot-brand .name{font-family:var(--font-display);font-weight:800;color:#fff;font-size:1.2rem}
.foot-brand .name span{display:block;font-weight:600;font-size:.65rem;letter-spacing:.3em;color:var(--aqua)}
.foot-brand p{font-size:.9rem;margin-top:14px;max-width:290px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:.85rem;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{background:linear-gradient(120deg,var(--petrol),var(--teal));padding:64px 0;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;border:50px solid rgba(255,255,255,.08)}
.page-hero h1{color:#fff;font-size:clamp(1.9rem,3.6vw,2.7rem)}
.page-hero p{color:#cfe7ec;margin-top:10px;max-width:600px}
.crumbs{font-size:.85rem;color:#9fd3dd;margin-bottom:14px}
.crumbs a{color:#fff}

/* ---------- Responsive ---------- */
@media(max-width:1024px){
  .grid.c4{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .collage{height:380px}
  .collage .r1{width:250px;height:250px}
}
@media(max-width:840px){
  .hero .container{grid-template-columns:1fr;padding:56px 0 96px}
  .collage{height:330px;max-width:420px}
  .split{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;text-align:center;padding:44px 28px}
  .grid.c3{grid-template-columns:1fr}
  .navlinks{position:fixed;inset:0;top:0;background:var(--white);flex-direction:column;justify-content:center;gap:30px;transform:translateX(100%);transition:.35s;z-index:60}
  .navlinks.open{transform:translateX(0)}
  .navlinks a{font-size:1.2rem}
  .hamburger{display:block;position:relative;z-index:70}
  .hamburger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .hamburger.open span:nth-child(2){opacity:0}
  .hamburger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
}
@media(max-width:600px){
  body{font-size:16px}
  .section{padding:52px 0}
  .prod-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .hero-stats{gap:22px}
  .topbar .container{justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}
/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

/* single-page extras */
.page-label{padding-top:76px;margin-top:-46px}

/* ============================================================
   ADDITIONS — Category pages (Cattle / Poultry / Pet) + Home cards
   ============================================================ */

/* ---------- Category cards (home page) ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cat-card{position:relative;border-radius:24px;overflow:hidden;min-height:300px;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;color:#fff;box-shadow:var(--shadow);transition:.3s}
.cat-card:hover{transform:translateY(-6px)}
.cat-card::before{content:"";position:absolute;inset:0;z-index:0}
.cat-card.cattle::before{background:linear-gradient(160deg,rgba(11,74,90,.35),rgba(11,74,90,.92)),url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><rect width="200" height="200" fill="%230B4A5A"/></svg>');background-size:cover}
.cat-card.poultry::before{background:linear-gradient(160deg,rgba(23,134,155,.35),rgba(23,134,155,.92))}
.cat-card.pet::before{background:linear-gradient(160deg,rgba(242,169,59,.35),rgba(201,123,18,.92))}
.cat-card .cat-icon{position:relative;z-index:1;width:58px;height:58px;border-radius:16px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.cat-card .cat-icon svg{width:30px;height:30px;stroke:#fff}
.cat-card h3{position:relative;z-index:1;color:#fff;font-size:1.5rem;margin-bottom:8px}
.cat-card p{position:relative;z-index:1;color:rgba(255,255,255,.88);font-size:.94rem;margin-bottom:18px}
.cat-card .cat-count{position:relative;z-index:1;font-family:var(--font-display);font-weight:700;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;background:rgba(255,255,255,.18);display:inline-block;padding:5px 14px;border-radius:999px;margin-bottom:16px;width:fit-content}
.cat-card .cat-link{position:relative;z-index:1;font-family:var(--font-display);font-weight:700;color:#fff;display:inline-flex;align-items:center;gap:6px}

/* ---------- Segment select (mobile-friendly dropdown alt to pill filters) ---------- */
.seg-select{display:none}
@media(max-width:700px){
  .filters{display:none}
  .seg-select{display:block;width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font:inherit;font-size:.92rem;background:var(--white);margin-bottom:18px;font-family:var(--font-display);font-weight:600;color:var(--ink)}
}

/* ---------- Category badge on nav (dropdown) ---------- */
.navlinks .has-dropdown{position:relative}
.dropdown{list-style:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:10px;min-width:190px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.2s;z-index:80}
.has-dropdown:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown li a{display:block;padding:9px 12px;border-radius:8px;font-size:.9rem;color:var(--ink)}
.dropdown li a:hover{background:var(--mist);color:var(--teal)}
.dropdown li a::after{display:none}
@media(max-width:840px){
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 16px;display:none;background:transparent}
  .has-dropdown.open .dropdown{display:block}
}

/* ---------- Species tag on product card ---------- */
.species-tag{font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--petrol);background:var(--mist);border:1px solid var(--line);padding:3px 10px;border-radius:999px;display:inline-block;width:fit-content}

/* ---------- Stat strip on category page hero ---------- */
.cat-stats{display:flex;gap:30px;margin-top:22px;flex-wrap:wrap}
.cat-stats .stat b{font-family:var(--font-display);font-size:1.5rem;color:#fff;display:block}
.cat-stats .stat span{font-size:.8rem;color:#e3f4f7;text-transform:uppercase;letter-spacing:.08em}

/* ---------- Related category strip (bottom of catalog pages) ---------- */
.also-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}