/* =========================================================
   DEVAJITH AGRI LIFE SCIENCES — stylesheet
   Design language: "Field Rows" — deep soil green, harvest
   gold and terracotta flame drawn from the brand mark, laid
   out in furrow-like horizontal rhythms.
========================================================= */

:root{
  --soil-900:#0F2417;
  --soil-800:#153A22;
  --soil-700:#1E4E2E;
  --leaf-500:#4C8B3B;
  --leaf-400:#6FAE52;
  --gold-500:#D9A441;
  --gold-400:#F0C570;
  --terracotta-500:#C1512F;
  --terracotta-400:#DD6B3E;
  --parchment:#F4EFE0;
  --parchment-dim:#EAE2CC;
  --ink-900:#1A1B14;
  --ink-600:#454B3E;
  --cream:#F7F3E7;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 14px;
  --max-w: 1180px;
}

*{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

body{
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--parchment);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}

a{color:inherit;text-decoration:none;}

.wrap{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 28px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.08;
  letter-spacing:-0.01em;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--terracotta-500);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--terracotta-500);
  display:inline-block;
}

/* ---------- Furrow row motif (signature element) ---------- */
.furrow{
  height:34px;
  width:100%;
  background:repeating-linear-gradient(
    100deg,
    var(--soil-700) 0px, var(--soil-700) 2px,
    transparent 2px, transparent 34px
  );
  opacity:.5;
}
.furrow.light{
  background:repeating-linear-gradient(
    100deg,
    var(--leaf-500) 0px, var(--leaf-500) 2px,
    transparent 2px, transparent 34px
  );
  opacity:.35;
}

/* ---------- Header ---------- */
header{
  position:sticky; top:0; z-index:100;
  background:rgba(15,36,23,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid rgba(240,197,112,.18);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 28px;
  max-width:var(--max-w); margin:0 auto;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:42px;width:auto;border-radius:8px;}
.brand-text{color:var(--cream);}
.brand-text strong{font-family:var(--font-display);font-size:18px;display:block;}
.brand-text span{font-size:11px;letter-spacing:.16em;color:var(--gold-400);text-transform:uppercase;}

.nav-links{display:flex;gap:30px;align-items:center;}
.nav-links a{
  color:var(--cream);opacity:.85;font-size:14.5px;font-weight:500;
  transition:opacity .2s, color .2s;
}
.nav-links a:hover{opacity:1;color:var(--gold-400);}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;
  border-radius:999px;
  font-weight:600;
  font-size:14.5px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-gold{background:var(--gold-500);color:var(--soil-900);}
.btn-gold:hover{background:var(--gold-400);box-shadow:0 8px 20px rgba(217,164,65,.35);}
.btn-outline{border-color:rgba(247,243,231,.4);color:var(--cream);}
.btn-outline:hover{border-color:var(--gold-400);color:var(--gold-400);}

.menu-toggle{display:none;background:none;border:none;color:var(--cream);font-size:26px;cursor:pointer;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:radial-gradient(120% 140% at 15% 0%, var(--soil-700) 0%, var(--soil-900) 55%, var(--soil-900) 100%);
  color:var(--cream);
  overflow:hidden;
  padding:96px 0 0 0;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background:
    repeating-linear-gradient(115deg, rgba(240,197,112,.05) 0px, rgba(240,197,112,.05) 1.5px, transparent 1.5px, transparent 46px);
  pointer-events:none;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:50px;
  align-items:center;
  position:relative;
  padding-bottom:60px;
}
.hero h1{
  font-size:clamp(38px,5vw,60px);
  color:var(--cream);
  margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  color:var(--gold-400);
  background:linear-gradient(90deg,var(--gold-400),var(--terracotta-400));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero p.lead{
  font-size:17.5px;
  color:rgba(247,243,231,.82);
  max-width:520px;
  margin-bottom:32px;
}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px;}

.hero-stats{
  display:flex;gap:36px;flex-wrap:wrap;
  padding-top:26px;
  border-top:1px solid rgba(247,243,231,.14);
}
.hero-stats .stat strong{
  display:block;font-family:var(--font-display);font-size:26px;color:var(--gold-400);
}
.hero-stats .stat span{font-size:12.5px;color:rgba(247,243,231,.65);letter-spacing:.04em;}

.hero-visual{
  position:relative;
  display:flex;align-items:center;justify-content:center;
}
.hero-visual .badge-ring{
  width:100%;max-width:380px;
  aspect-ratio:1/1;
  border-radius:50%;
  background:conic-gradient(from 210deg, var(--leaf-500), var(--gold-500), var(--terracotta-500), var(--leaf-500));
  padding:6px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 30px 70px rgba(0,0,0,.35);
}
.hero-visual .badge-ring-inner{
  width:100%;height:100%;
  background:var(--soil-900);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  padding:36px;
}
.hero-visual img{width:100%;}

/* ---------- Section shells ---------- */
section{padding:88px 0;}
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(28px,3.4vw,40px);color:var(--ink-900);}
.section-head p{color:var(--ink-600);font-size:16px;margin-top:14px;}

.bg-soil{background:var(--soil-900);color:var(--cream);}
.bg-soil .section-head h2{color:var(--cream);}
.bg-soil .section-head p{color:rgba(247,243,231,.72);}

/* ---------- About strip ---------- */
.about-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:60px;
  align-items:start;
}
.about-copy p{color:var(--ink-600);margin-bottom:16px;font-size:15.5px;}
.about-copy p strong{color:var(--ink-900);}

.pillars{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.pillar{
  background:var(--cream);
  border:1px solid var(--parchment-dim);
  border-radius:var(--radius-md);
  padding:22px;
}
.pillar .num{
  font-family:var(--font-mono);
  color:var(--terracotta-500);
  font-size:12.5px;
  letter-spacing:.08em;
}
.pillar h4{font-size:16.5px;margin:8px 0 6px;}
.pillar p{font-size:13.8px;color:var(--ink-600);}

/* ---------- Product cards ---------- */
.tab-row{display:flex;gap:10px;margin-bottom:36px;flex-wrap:wrap;}
.tab-btn{
  padding:10px 20px;border-radius:999px;
  border:1px solid var(--parchment-dim);
  background:var(--cream);
  font-size:14px;font-weight:600;color:var(--ink-600);
  cursor:pointer;transition:all .2s ease;
}
.tab-btn.active,
.tab-btn:hover{
  background:var(--soil-800);color:var(--cream);border-color:var(--soil-800);
}

.product-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(270px,1fr));
  gap:22px;
}
.product-group{display:none;}
.product-group.active{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px;}

.card{
  background:var(--cream);
  border:1px solid var(--parchment-dim);
  border-radius:var(--radius-md);
  padding:26px 24px 24px;
  position:relative;
  transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(20,48,31,.1);}
.card .leaf-dot{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--leaf-500),var(--gold-500));
  margin-bottom:16px;
  position:relative;
}
.card h3{font-size:20px;margin-bottom:4px;}
.card .tagline{font-size:12.5px;color:var(--terracotta-500);font-family:var(--font-mono);letter-spacing:.03em;margin-bottom:14px;}
.card dl{font-size:13.6px;color:var(--ink-600);}
.card dl div{display:flex;gap:6px;margin-bottom:8px;align-items:flex-start;}
.card dl b{color:var(--ink-900);min-width:64px;flex-shrink:0;font-weight:600;}
.card .sizes{
  margin-top:14px;padding-top:14px;border-top:1px dashed var(--parchment-dim);
  font-family:var(--font-mono);font-size:12px;color:var(--soil-700);
}

/* ---------- Why / policy ---------- */
.policy-list{
  display:grid;grid-template-columns:1fr 1fr;gap:16px 40px;
}
.policy-list li{
  list-style:none;
  display:flex;gap:14px;
  padding:16px 0;
  border-bottom:1px solid rgba(247,243,231,.1);
  font-size:15px;
}
.policy-list li::before{
  content:"";
  min-width:8px;height:8px;border-radius:50%;
  background:var(--gold-500);
  margin-top:8px;
}

/* ---------- Catalogue / gallery ---------- */
.gallery{
  display:grid;grid-template-columns:1.3fr 1fr;gap:22px;
}
.gallery-main{
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--parchment-dim);
  cursor:zoom-in;
}
.gallery-side{display:flex;flex-direction:column;gap:22px;}
.gallery-card{
  background:var(--soil-900);color:var(--cream);
  border-radius:var(--radius-md);
  padding:28px;
  display:flex;flex-direction:column;justify-content:space-between;
  flex:1;
}
.gallery-card h3{color:var(--gold-400);font-size:22px;margin-bottom:10px;}
.gallery-card p{color:rgba(247,243,231,.75);font-size:14.5px;margin-bottom:18px;}

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;
}
.contact-card{
  background:var(--cream);
  border:1px solid var(--parchment-dim);
  border-radius:var(--radius-md);
  padding:32px;
}
.contact-card .row{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--parchment-dim);}
.contact-card .row:last-child{border-bottom:none;}
.contact-card .row .ic{
  width:38px;height:38px;border-radius:10px;
  background:var(--soil-900);color:var(--gold-400);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;
}
.contact-card .row div b{display:block;font-size:14px;}
.contact-card .row div span{font-size:13.5px;color:var(--ink-600);}

.form-card{
  background:var(--soil-900);color:var(--cream);
  border-radius:var(--radius-md);
  padding:32px;
}
.form-card h3{color:var(--gold-400);margin-bottom:6px;font-size:22px;}
.form-card p{color:rgba(247,243,231,.7);font-size:14px;margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--gold-400);margin-bottom:6px;font-family:var(--font-mono);}
.field input, .field select, .field textarea{
  width:100%;padding:12px 14px;
  border-radius:8px;border:1px solid rgba(247,243,231,.2);
  background:rgba(247,243,231,.06);
  color:var(--cream);font-family:var(--font-body);font-size:14.5px;
}
.field textarea{resize:vertical;min-height:90px;}
.field input::placeholder,.field textarea::placeholder{color:rgba(247,243,231,.35);}

/* ---------- Footer ---------- */
footer{background:var(--soil-900);color:rgba(247,243,231,.6);padding:40px 0 26px;}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13.5px;}
.footer-inner .brand-text strong{color:var(--cream);}

/* ---------- Lightbox ---------- */
.lightbox{
  position:fixed;inset:0;background:rgba(15,36,23,.92);
  display:none;align-items:center;justify-content:center;
  z-index:200;padding:30px;
}
.lightbox.open{display:flex;}
.lightbox img{max-height:90vh;border-radius:8px;}
.lightbox-close{
  position:absolute;top:26px;right:34px;
  color:var(--cream);font-size:32px;cursor:pointer;background:none;border:none;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero-inner, .about-grid, .gallery, .contact-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
  .policy-list{grid-template-columns:1fr;}
  .nav-links{
    position:fixed;top:74px;left:0;right:0;
    background:var(--soil-900);
    flex-direction:column;
    padding:20px 28px 30px;
    gap:18px;
    display:none;
    border-bottom:1px solid rgba(240,197,112,.18);
  }
  .nav-links.open{display:flex;}
  .menu-toggle{display:block;}
}
@media (max-width:560px){
  .pillars{grid-template-columns:1fr;}
}