/* ══════════════════════════════════════════════════════════════
   Balarama Agritech — Website styles
   Built on the Balarama Design System (forest greens · Shirorekha)
   ══════════════════════════════════════════════════════════════ */
:root{
  --forest:#1E3A2B;
  --forest-2:#16291E;
  --canopy:#2F6437;
  --leaf:#74B043;
  --leaf-soft:#8FC659;
  --saffron:#E08A22;
  --bone:#F6F3EB;
  --bg:#EFEBE0;
  --ink:#1C2A20;
  --mute:rgba(28,42,32,0.58);
  --mute-on-dark:rgba(246,243,235,0.66);
  --hair:rgba(28,42,32,0.14);
  --hair-strong:rgba(28,42,32,0.22);
  --hair-on-dark:rgba(246,243,235,0.16);

  --serif:"Sora", system-ui, sans-serif;
  --sans:"Manrope", system-ui, sans-serif;
  --mono:"JetBrains Mono", ui-monospace, monospace;
  --deva:"Noto Serif Devanagari", serif;
  --telu:"Noto Serif Telugu", serif;

  --maxw:1180px;
  --gutter:48px;
}
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:84px; }
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--sans); font-size:17px; line-height:1.65;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ margin:0; font-weight:600; letter-spacing:-0.02em; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 var(--gutter); }
.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:0.22em;
  text-transform:uppercase; color:var(--saffron); display:inline-flex; align-items:center; gap:12px;
}
.eyebrow::before{ content:""; width:26px; height:2px; background:var(--saffron); display:inline-block; }
.eyebrow.q::before{ background:var(--leaf); }
.eyebrow.q{ color:var(--canopy); }

/* ── Shirorekha wordmark ────────────────────────────── */
.wordmark{ display:inline-flex; flex-direction:column; width:max-content; line-height:1; }
.wordmark .bar{ position:relative; height:0.085em; background:var(--forest); margin-bottom:0.06em; border-radius:0.5px; }
.wordmark .bar::after{ content:""; position:absolute; right:0; top:0; bottom:0; width:14%; background:var(--saffron); }
.wordmark .word{ font-family:var(--serif); font-weight:500; letter-spacing:-0.02em; color:var(--forest); line-height:0.86; }
.wordmark.inv .bar{ background:var(--bone); }
.wordmark.inv .word{ color:var(--bone); }

/* ── Buttons ────────────────────────────────────────── */
.btn{ font-family:var(--sans); font-weight:600; font-size:15px; border:none; cursor:pointer;
  padding:14px 26px; border-radius:3px; display:inline-flex; align-items:center; gap:10px;
  transition:transform .15s ease, background .2s ease, color .2s ease; }
.btn:hover{ transform:translateY(-2px); }
.btn{ white-space:nowrap; }
.btn-primary{ background:var(--forest); color:var(--bone); }
.btn-primary:hover{ background:var(--canopy); }
.btn-leaf{ background:var(--leaf); color:var(--forest); }
.btn-leaf:hover{ background:var(--leaf-soft); }
.btn-ghost{ background:transparent; color:var(--bone); border:1.5px solid var(--hair-on-dark); }
.btn-ghost:hover{ border-color:var(--bone); }
.btn-ghost-dark{ background:transparent; color:var(--forest); border:1.5px solid var(--hair-strong); }
.btn-ghost-dark:hover{ border-color:var(--forest); }
.btn .arr{ font-family:var(--mono); }

/* ── Header ─────────────────────────────────────────── */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(239,235,224,0.86); backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--hair);
}
header.site .row{ display:flex; align-items:center; gap:34px; height:72px; }
header.site .brand{ display:flex; align-items:center; gap:14px; margin-right:auto; }
header.site .brand img{ height:38px; }
header.site nav{ display:flex; gap:28px; }
header.site nav a{ font-size:14.5px; font-weight:500; color:var(--ink); opacity:0.78; transition:opacity .2s; }
header.site nav a:hover{ opacity:1; color:var(--forest); }
header.site .cta{ font-weight:600; font-size:14px; padding:10px 20px; border-radius:3px; background:var(--forest); color:var(--bone); }
header.site .cta:hover{ background:var(--canopy); }
.menu-btn{ display:none; width:44px; height:44px; background:transparent; border:none; cursor:pointer;
  flex-direction:column; justify-content:center; align-items:center; gap:5px; padding:0; }
.menu-btn span{ width:22px; height:2px; background:var(--forest); border-radius:2px; transition:transform .25s ease, opacity .25s ease; }
header.site.open .menu-btn span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
header.site.open .menu-btn span:nth-child(2){ opacity:0; }
header.site.open .menu-btn span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ── Section frame ──────────────────────────────────── */
section{ padding:108px 0; }
.sec-bg-dark{ background:var(--forest); color:var(--bone); }
.sec-bg-soil{ background:var(--forest-2); color:var(--bone); }
.sec-bg-bone{ background:var(--bone); }
.sec-head{ max-width:760px; margin-bottom:56px; }
.sec-head h2{ font-family:var(--serif); font-size:clamp(32px,4.4vw,52px); line-height:1.04; margin-top:20px; }
.on-dark .sec-head h2, .sec-bg-dark h2, .sec-bg-soil h2{ color:var(--bone); }
.sec-head p.dek{ font-size:19px; color:var(--mute); margin-top:20px; max-width:620px; }
.sec-bg-dark .sec-head p.dek, .sec-bg-soil .sec-head p.dek{ color:var(--mute-on-dark); }

/* furrow motif divider/texture */
.furrow{ height:2px; background:var(--forest); position:relative; }
.furrow::after{ content:""; position:absolute; right:0; top:0; bottom:0; width:54px; background:var(--saffron); }
.furrow.inv{ background:var(--hair-on-dark); }
.furrow-field{ background:repeating-linear-gradient(180deg,currentColor 0 2px,transparent 2px 14px); }

/* ── Hero ───────────────────────────────────────────── */
.hero{ position:relative; background:var(--forest); color:var(--bone); overflow:hidden; padding:84px 0 96px; }
.hero .furrow-tex{ position:absolute; inset:0; color:rgba(246,243,235,0.05);
  background:repeating-linear-gradient(180deg,currentColor 0 2px,transparent 2px 30px); pointer-events:none; }
.hero .grid{ display:grid; grid-template-columns:1.15fr 0.85fr; gap:56px; align-items:center; position:relative; }
.hero h1{ font-family:var(--serif); font-weight:600; font-size:clamp(40px,5.6vw,68px); line-height:1.02; color:var(--bone); }
.hero h1 em{ font-style:normal; color:var(--leaf-soft); }
.hero p.lead{ font-size:20px; color:var(--mute-on-dark); margin:26px 0 34px; max-width:540px; }
.hero .actions{ display:flex; gap:14px; flex-wrap:wrap; }
.hero .visual{ position:relative; }
.hero .mark-card{ background:rgba(246,243,235,0.04); border:1px solid var(--hair-on-dark); padding:40px;
  display:flex; flex-direction:column; gap:26px; }
.hero .mark-card img.mk{ height:160px; margin:0 auto; }
.hero .stats{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--hair-on-dark); margin-top:8px; }
.hero .stats .s{ background:var(--forest); padding:18px 16px; }
.hero .stats .num{ font-family:var(--serif); font-weight:600; font-size:30px; color:var(--leaf-soft); line-height:1; }
.hero .stats .lbl{ font-family:var(--mono); font-size:10px; letter-spacing:0.12em; text-transform:uppercase; color:var(--mute-on-dark); margin-top:8px; }
.hero .ribbon{ position:absolute; left:0; right:0; bottom:0; }

/* ── Cards / grids ──────────────────────────────────── */
.cols-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.cols-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
.cols-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }

.card{ background:var(--bone); border:1px solid var(--hair); padding:32px; display:flex; flex-direction:column; gap:14px; }
.card .kicker{ font-family:var(--mono); font-size:11px; letter-spacing:0.18em; text-transform:uppercase; color:var(--canopy); }
.card h3{ font-family:var(--serif); font-size:23px; color:var(--forest); }
.card p{ margin:0; font-size:15.5px; color:var(--mute); }
.card .idx{ font-family:var(--serif); font-size:34px; font-weight:600; color:var(--leaf); line-height:1; }
.card.on-forest{ background:rgba(246,243,235,0.05); border-color:var(--hair-on-dark); }
.card.on-forest h3{ color:var(--bone); }
.card.on-forest p{ color:var(--mute-on-dark); }
.card.on-forest .kicker{ color:var(--leaf-soft); }

/* differentiators */
.diff{ display:flex; gap:20px; align-items:flex-start; padding:28px 0; border-top:1px solid var(--hair-on-dark); }
.diff .n{ font-family:var(--mono); font-size:13px; color:var(--leaf-soft); padding-top:6px; flex:none; width:42px; }
.diff h3{ font-family:var(--serif); font-size:24px; color:var(--bone); margin-bottom:8px; }
.diff p{ margin:0; color:var(--mute-on-dark); max-width:620px; font-size:16px; }

/* ── Platform layer diagram ─────────────────────────── */
.platform{ display:grid; grid-template-columns:1fr; gap:14px; }
.layer{ background:var(--bone); border:1px solid var(--hair); display:grid; grid-template-columns:230px 1fr;
  align-items:center; overflow:hidden; }
.layer .lhead{ background:var(--forest); color:var(--bone); padding:22px 26px; height:100%; display:flex; flex-direction:column; justify-content:center; gap:6px; }
.layer .lhead .ln-num{ font-family:var(--mono); font-size:10px; letter-spacing:0.18em; color:var(--leaf-soft); }
.layer .lhead h3{ font-family:var(--serif); font-size:21px; color:var(--bone); }
.layer .lbody{ padding:22px 26px; display:flex; gap:12px; flex-wrap:wrap; }
.layer.accent .lhead{ background:var(--canopy); }
.layer.top .lhead{ background:var(--leaf); }
.layer.top .lhead h3, .layer.top .lhead .ln-num{ color:var(--forest); }
.chip{ font-family:var(--sans); font-weight:600; font-size:14px; padding:9px 16px; background:var(--bg);
  border:1px solid var(--hair); color:var(--ink); border-radius:3px; }
.ecosystem{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-bottom:26px; }
.eco-chip{ font-family:var(--mono); font-size:12px; letter-spacing:0.08em; text-transform:uppercase;
  padding:10px 18px; border:1px solid var(--hair-strong); color:var(--forest); border-radius:40px; background:var(--bone); }

/* ── Roadmap ────────────────────────────────────────── */
.roadmap{ display:grid; grid-template-columns:repeat(3,1fr); gap:0; border:1px solid var(--hair-on-dark); }
.phase{ padding:30px 28px; border-right:1px solid var(--hair-on-dark); position:relative; }
.phase:last-child{ border-right:none; }
.phase .tag{ font-family:var(--mono); font-size:11px; letter-spacing:0.16em; text-transform:uppercase; color:var(--leaf-soft); }
.phase h3{ font-family:var(--serif); font-size:22px; color:var(--bone); margin:12px 0 10px; }
.phase p{ margin:0; color:var(--mute-on-dark); font-size:15px; }
.phase .dot{ width:11px; height:11px; border-radius:50%; background:var(--leaf); margin-bottom:16px; }
.phase:nth-child(2) .dot{ background:var(--leaf-soft); opacity:0.6; }
.phase:nth-child(3) .dot{ background:var(--hair-on-dark); }

/* revenue list */
.rev{ display:flex; flex-direction:column; }
.rev .item{ display:grid; grid-template-columns:60px 1fr; gap:20px; padding:24px 0; border-top:1px solid var(--hair); align-items:start; }
.rev .item:first-child{ border-top:none; }
.rev .item .ab{ font-family:var(--mono); font-size:13px; color:var(--saffron); padding-top:4px; }
.rev .item h3{ font-family:var(--serif); font-size:21px; color:var(--forest); margin-bottom:5px; }
.rev .item p{ margin:0; color:var(--mute); font-size:15.5px; }

/* impact columns */
.impact-col{ background:rgba(246,243,235,0.05); border:1px solid var(--hair-on-dark); padding:32px; display:flex; flex-direction:column; gap:18px; }
.impact-col .hd{ display:flex; flex-direction:column; gap:6px; }
.impact-col .hd .for{ font-family:var(--mono); font-size:11px; letter-spacing:0.18em; text-transform:uppercase; color:var(--leaf-soft); }
.impact-col .hd h3{ font-family:var(--serif); font-size:24px; color:var(--bone); }
.impact-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:14px; }
.impact-col li{ display:flex; gap:12px; color:var(--mute-on-dark); font-size:15.5px; line-height:1.5; }
.impact-col li::before{ content:""; width:7px; height:7px; border-radius:50%; background:var(--leaf); margin-top:9px; flex:none; }
.sdg li::before{ background:var(--saffron); }

/* traction */
.trax{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--hair); border:1px solid var(--hair); }
.trax .t{ background:var(--bone); padding:34px; display:flex; flex-direction:column; gap:12px; }
.trax .t .lbl{ font-family:var(--mono); font-size:11px; letter-spacing:0.16em; text-transform:uppercase; color:var(--canopy); }
.trax .t h3{ font-family:var(--serif); font-size:22px; color:var(--forest); }
.trax .t p{ margin:0; color:var(--mute); font-size:15.5px; }
.itu{ display:inline-flex; align-items:center; gap:10px; font-family:var(--mono); font-size:12px;
  letter-spacing:0.1em; padding:8px 14px; border:1px solid var(--hair-strong); color:var(--forest); border-radius:40px; align-self:flex-start; }

/* closing */
.closing{ text-align:center; }
.closing h2{ font-family:var(--serif); font-size:clamp(34px,5vw,60px); line-height:1.06; color:var(--bone); max-width:900px; margin:0 auto; }
.closing h2 em{ font-style:normal; color:var(--leaf-soft); }
.closing p{ font-size:20px; color:var(--mute-on-dark); margin:28px auto 38px; max-width:560px; }
.closing .actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ── Footer ─────────────────────────────────────────── */
footer.site{ background:var(--forest-2); color:var(--bone); padding:64px 0 40px; }
footer.site .top{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:48px; }
footer.site .brand img{ height:64px; }
footer.site .col h4{ font-family:var(--mono); font-size:11px; letter-spacing:0.18em; text-transform:uppercase; color:var(--leaf-soft); margin-bottom:18px; font-weight:500; }
footer.site .col a{ display:block; color:var(--mute-on-dark); font-size:15px; padding:6px 0; transition:color .2s; }
footer.site .col a:hover{ color:var(--bone); }
footer.site .ml{ display:flex; gap:18px; align-items:baseline; margin-top:18px; color:var(--mute-on-dark); }
footer.site .ml span{ color:var(--bone); }
footer.site .bottom{ border-top:1px solid var(--hair-on-dark); padding-top:26px; display:flex; justify-content:space-between; gap:16px;
  font-family:var(--mono); font-size:11px; letter-spacing:0.12em; text-transform:uppercase; color:var(--mute-on-dark); flex-wrap:wrap; }

/* image slot styling */
image-slot{ --is-bg:rgba(28,42,32,0.04); border:1px solid var(--hair); }
.on-forest image-slot, .hero image-slot{ --is-bg:rgba(246,243,235,0.05); border-color:var(--hair-on-dark); }

/* reveal */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:none; }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width:980px){
  :root{ --gutter:30px; }
  .hero .grid{ grid-template-columns:1fr; gap:40px; }
  .cols-3,.cols-4{ grid-template-columns:1fr 1fr; }
  .roadmap{ grid-template-columns:1fr; }
  .phase{ border-right:none; border-bottom:1px solid var(--hair-on-dark); }
  .phase:last-child{ border-bottom:none; }
  footer.site .top{ grid-template-columns:1fr 1fr; }
}
@media (max-width:680px){
  body{ font-size:16px; }
  section{ padding:72px 0; }
  header.site nav{ display:none; }
  .menu-btn{ display:flex; }
  header.site.open nav{
    display:flex; flex-direction:column; gap:0;
    position:absolute; left:0; right:0; top:72px;
    background:var(--bg); border-bottom:1px solid var(--hair);
    padding:6px var(--gutter) 16px; box-shadow:0 18px 30px rgba(28,42,32,0.10);
  }
  header.site.open nav a{ padding:15px 2px; border-top:1px solid var(--hair); font-size:16px; opacity:0.9; }
  #different .sec-head{ position:static !important; }
  .cols-2,.cols-3,.cols-4{ grid-template-columns:1fr; }
  .layer{ grid-template-columns:1fr; }
  .layer .lhead{ flex-direction:row; align-items:baseline; gap:12px; }
  .trax{ grid-template-columns:1fr; }
  footer.site .top{ grid-template-columns:1fr; }
}