/* ============================================================
   Aarjay Bioenergy Pvt Ltd — shared stylesheet
   Identity: agronomic green + harvest gold (the colour of a
   compressed straw pellet), warm husk-cream paper, charcoal text.
   ============================================================ */

:root{
  --field:#14533A;        /* deep agronomic green — primary brand */
  --field-deep:#0E3A28;   /* darker green for dark sections */
  --field-ink:#0A2A1D;    /* near-black green for footer */
  --leaf:#3A7D52;         /* mid green */
  --harvest:#C2841A;      /* pellet / straw gold — accent */
  --harvest-bright:#E0A52E;
  --husk:#F7F2E6;         /* warm oat paper background */
  --husk-2:#EFE6D2;       /* deeper cream panel */
  --char:#1D241B;         /* warm near-black text */
  --char-mut:#5A6356;     /* muted text */
  --line:rgba(29,36,27,.12);
  --line-soft:rgba(29,36,27,.07);
  --shadow:0 1px 2px rgba(10,42,29,.06), 0 14px 40px -18px rgba(10,42,29,.28);

  --maxw:1180px;
  --r:14px;
  --r-lg:22px;

  --d-disp:"Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --d-body:"Hanken Grotesk", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --d-mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--d-body);
  color:var(--char);
  background:var(--husk);
  line-height:1.62;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--field);text-decoration:none}
a:hover{color:var(--harvest)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.eyebrow{
  font-family:var(--d-mono);
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--harvest);font-weight:600;margin:0 0 14px;
  display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--harvest);display:inline-block}

h1,h2,h3,h4{font-family:var(--d-disp);font-weight:800;line-height:1.05;color:var(--char);margin:0 0 .5em;letter-spacing:-.015em}
h2{font-size:clamp(1.9rem,4vw,2.9rem)}
h3{font-size:1.32rem;letter-spacing:-.01em}
p{margin:0 0 1.1em}
.lead{font-size:1.18rem;color:var(--char-mut);max-width:62ch}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--d-body);font-weight:700;font-size:.98rem;
  padding:13px 24px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s;
}
.btn-primary{background:var(--harvest);color:#241500;box-shadow:0 10px 24px -10px rgba(194,132,26,.7)}
.btn-primary:hover{background:var(--harvest-bright);color:#241500;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--char)}
.btn-ghost:hover{border-color:var(--field);color:var(--field)}
.btn-light{background:#fff;color:var(--field)}
.btn-light:hover{transform:translateY(-2px);color:var(--field)}
.btn .arr{transition:transform .2s}
.btn:hover .arr{transform:translateX(3px)}

/* ============================================================
   HEADER
   ============================================================ */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(247,242,230,.86);
  backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.head-row{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:13px}
.brand .mark{width:42px;height:42px;flex:none;object-fit:contain}
.hero-art .logo-disc{
  position:relative;z-index:2;width:60%;aspect-ratio:1/1;border-radius:50%;
  background:radial-gradient(circle at 50% 40%,#ffffff 0%,#F7F2E6 100%);
  display:grid;place-items:center;box-shadow:0 20px 50px -20px rgba(10,42,29,.55);
}
.hero-art .logo-disc img{width:66%;height:66%;object-fit:contain}
.site-foot .brand .mark{background:#F7F2E6;border-radius:9px;padding:5px}
.brand>span{display:flex;flex-direction:column;gap:3px}
.brand .bname{display:block;font-family:var(--d-disp);font-weight:800;font-size:1.18rem;line-height:1;letter-spacing:-.02em;color:var(--field)}
.brand .bsub{display:block;font-family:var(--d-mono);font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;color:var(--char-mut)}
nav.main{display:flex;align-items:center;gap:6px}
nav.main a{
  font-weight:600;font-size:.96rem;color:var(--char);
  padding:9px 13px;border-radius:9px;transition:background .15s,color .15s;
}
nav.main a:hover{background:var(--husk-2);color:var(--field)}
nav.main a.active{color:var(--field)}
nav.main a.active::after{content:"";display:block;height:2px;background:var(--harvest);border-radius:2px;margin-top:3px}
.head-cta{margin-left:8px}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:9px;width:44px;height:44px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.burger span{width:20px;height:2px;background:var(--char);border-radius:2px;transition:.25s}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;overflow:hidden;padding:74px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.25rem);line-height:1.0}
.hero h1 .hl{color:var(--field);position:relative}
.hero h1 .gold{color:var(--harvest)}
.hero .lead{margin:22px 0 30px;font-size:1.22rem}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 14px;font-size:.82rem;font-weight:600;color:var(--char-mut);
}
.chip b{color:var(--field)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--harvest)}

/* emblem panel on hero right */
.hero-art{
  position:relative;aspect-ratio:1/1;border-radius:var(--r-lg);
  background:
    radial-gradient(120% 120% at 30% 12%, #1b6347 0%, var(--field) 42%, var(--field-deep) 100%);
  box-shadow:var(--shadow);overflow:hidden;
  display:grid;place-items:center;
}
.hero-art .ring{position:absolute;border:1px solid rgba(247,242,230,.14);border-radius:50%}
.hero-art .ring.r1{inset:8%}
.hero-art .ring.r2{inset:20%}
.hero-art .ring.r3{inset:33%}
.hero-art svg{width:62%;height:62%;position:relative;z-index:2}
.hero-art .cap{
  position:absolute;left:22px;bottom:20px;z-index:3;
  font-family:var(--d-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(247,242,230,.78);
}

/* ============================================================
   LIFECYCLE RIBBON — signature element
   "Field → Residue → Pellet → Power → Coal displaced"
   ============================================================ */
.ribbon{background:var(--field-deep);color:var(--husk);padding:30px 0}
.ribbon-track{display:flex;align-items:stretch;gap:0;flex-wrap:wrap}
.r-step{flex:1 1 0;min-width:160px;display:flex;flex-direction:column;gap:10px;padding:6px 22px;position:relative}
.r-step + .r-step::before{
  content:"";position:absolute;left:0;top:50%;width:1px;height:54px;transform:translateY(-50%);
  background:rgba(247,242,230,.16);
}
.r-step .ic{width:38px;height:38px;color:var(--harvest-bright)}
.r-step .n{font-family:var(--d-mono);font-size:.66rem;letter-spacing:.18em;color:rgba(247,242,230,.55)}
.r-step .t{font-family:var(--d-disp);font-weight:700;font-size:1.04rem;line-height:1.15}
.r-step .d{font-size:.82rem;color:rgba(247,242,230,.7);line-height:1.4}

/* ============================================================
   SECTIONS
   ============================================================ */
section{padding:84px 0}
.section-cream{background:var(--husk-2)}
.section-dark{background:var(--field);color:var(--husk)}
.section-dark h2,.section-dark h3{color:#fff}
.section-dark .lead,.section-dark p{color:rgba(247,242,230,.82)}
.section-dark .eyebrow{color:var(--harvest-bright)}
.section-dark .eyebrow::before{background:var(--harvest-bright)}

.section-head{max-width:680px;margin-bottom:48px}
.center{margin-left:auto;margin-right:auto;text-align:center}

/* cards grid */
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:30px 28px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card .ic{width:46px;height:46px;color:var(--field);margin-bottom:16px}
.card h3{margin-bottom:.4em}
.card p{color:var(--char-mut);font-size:.96rem;margin:0}
.card.dark-card{background:var(--field-deep);border-color:transparent;color:var(--husk)}
.card.dark-card .ic{color:var(--harvest-bright)}
.card.dark-card h3{color:#fff}
.card.dark-card p{color:rgba(247,242,230,.78)}

/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.flip .split-media{order:2}
.media-panel{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);
  background:linear-gradient(155deg,var(--field) 0%,var(--field-deep) 100%);
  aspect-ratio:4/3;display:grid;place-items:center;padding:30px;
}
.media-panel svg{width:78%;height:78%}
.media-cream{background:linear-gradient(155deg,#fff,var(--husk-2))}
.media-cream svg{color:var(--field)}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.stat{padding:30px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat .num{font-family:var(--d-disp);font-weight:800;font-size:2.4rem;color:var(--field);line-height:1}
.stat .num .u{font-size:1.1rem;color:var(--harvest);margin-left:3px}
.stat .lbl{font-size:.86rem;color:var(--char-mut);margin-top:8px}

/* spec table */
.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.spec th,.spec td{text-align:left;padding:15px 22px;border-bottom:1px solid var(--line-soft);font-size:.97rem}
.spec th{font-family:var(--d-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--char-mut);background:var(--husk)}
.spec td:first-child{font-weight:600;width:42%}
.spec td:last-child{font-family:var(--d-mono);font-size:.9rem;color:var(--field)}
.spec tr:last-child td{border-bottom:none}

/* list with ticks */
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.ticks li{display:flex;gap:13px;align-items:flex-start;font-size:1rem}
.ticks li::before{
  content:"";flex:none;width:22px;height:22px;border-radius:50%;margin-top:2px;
  background:var(--harvest) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23241500' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l4 4L19 7'/%3E%3C/svg%3E") center/13px no-repeat;
}

/* directors */
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dir{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform .2s,box-shadow .2s}
.dir:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.dir .photo{aspect-ratio:1/1;background:linear-gradient(160deg,var(--field) 0%,var(--field-deep) 100%);display:grid;place-items:center;position:relative}
.dir .photo .initials{font-family:var(--d-disp);font-weight:800;font-size:3.2rem;color:var(--harvest-bright)}
.dir .photo .badge{position:absolute;bottom:14px;left:14px;font-family:var(--d-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(247,242,230,.85);background:rgba(10,42,29,.5);padding:5px 10px;border-radius:7px}
.dir .body{padding:24px}
.dir h3{margin-bottom:2px}
.dir .role{font-family:var(--d-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--harvest);margin-bottom:12px}
.dir .din{font-size:.86rem;color:var(--char-mut);font-family:var(--d-mono)}
.dir p{font-size:.94rem;color:var(--char-mut);margin:12px 0 0}

/* faq */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 4px;font-family:var(--d-disp);
  font-weight:700;font-size:1.1rem;display:flex;justify-content:space-between;gap:20px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--d-mono);font-size:1.5rem;color:var(--harvest);transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 4px 24px;color:var(--char-mut);max-width:72ch}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;margin-bottom:18px}
.info-card .lab{font-family:var(--d-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--harvest);margin-bottom:8px}
.info-card .val{font-size:1.02rem;color:var(--char);line-height:1.5}
.info-card a{font-weight:600}
.form-field{margin-bottom:18px}
.form-field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:7px}
.form-field input,.form-field textarea,.form-field select{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;
  font-family:var(--d-body);font-size:1rem;background:#fff;color:var(--char);transition:border-color .15s;
}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--field)}
.form-note{font-size:.84rem;color:var(--char-mut);margin-top:6px}
.form-status{font-size:.92rem;margin:12px 0 0;min-height:1.2em}
.form-status.err{color:#a3341f;font-weight:600}
.form-status.err a{color:#a3341f;text-decoration:underline}

/* cta band */
.cta-band{background:linear-gradient(135deg,var(--field) 0%,var(--field-deep) 100%);color:#fff;border-radius:var(--r-lg);padding:54px;text-align:center;position:relative;overflow:hidden}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(247,242,230,.85);max-width:54ch;margin:0 auto 28px}
.cta-band::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(224,165,46,.22),transparent 70%);top:-120px;right:-80px}

/* page banner (sub pages) */
.pbanner{padding:64px 0 34px;background:var(--husk-2);border-bottom:1px solid var(--line-soft)}
.crumbs{font-family:var(--d-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--char-mut);margin-bottom:14px}
.crumbs a{color:var(--char-mut)}
.pbanner h1{font-size:clamp(2.1rem,4.6vw,3.4rem);margin-bottom:.3em}
.pbanner p{max-width:64ch;color:var(--char-mut);font-size:1.12rem;margin:0}

/* ============================================================
   FOOTER
   ============================================================ */
.site-foot{background:var(--field-ink);color:rgba(247,242,230,.74);padding:64px 0 28px;font-size:.94rem}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(247,242,230,.12)}
.site-foot .brand .bname{color:#fff}
.site-foot .brand .bsub{color:rgba(247,242,230,.5)}
.foot-about{margin-top:18px;max-width:34ch;color:rgba(247,242,230,.66);font-size:.92rem}
.foot-col h4{font-family:var(--d-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--harvest-bright);margin-bottom:16px}
.foot-col a{display:block;color:rgba(247,242,230,.74);padding:5px 0}
.foot-col a:hover{color:#fff}
.foot-col .ln{color:rgba(247,242,230,.74);padding:5px 0;font-size:.9rem;line-height:1.5}
.foot-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:.84rem;color:rgba(247,242,230,.5)}

/* reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:980px){
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr;gap:38px}
  .split.flip .split-media{order:0}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
  .dir-grid{grid-template-columns:1fr 1fr}
  .hero-art{max-width:440px;margin:0 auto}
}
@media(max-width:760px){
  nav.main,.head-cta{display:none}
  nav.main.open{
    display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--husk);border-bottom:1px solid var(--line);padding:14px 20px;gap:2px;
  }
  nav.main.open a{padding:13px 12px;border-radius:10px}
  .burger{display:flex}
  body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.menu-open .burger span:nth-child(2){opacity:0}
  body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media(max-width:600px){
  body{font-size:16px}
  section{padding:60px 0}
  .g-2,.g-3,.g-4,.dir-grid,.foot-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .cta-band,.media-panel{padding:34px 22px}
  .r-step + .r-step::before{display:none}
  .ribbon-track{gap:18px}
}

@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .card:hover,.dir:hover,.btn:hover{transform:none}
}