/* ============================================================
   KrishiCore — design system
   Palette & type derived from the brand logo:
   deep forest green · antique gold/wheat · warm ivory · elegant serif
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&family=Hanken+Grotesk:wght@400;500;600;700&display=swap');

:root{
  --forest:#1B4332;        /* primary brand green */
  --forest-2:#245741;      /* lighter green */
  --forest-deep:#0E2C1F;   /* deep green for footer/contrast */
  --gold:#C2992F;          /* antique gold (wheat) */
  --gold-soft:#D8BD7E;     /* soft gold for fine lines */
  --cream:#F6F3EB;         /* page background */
  --paper:#FCFBF6;         /* raised surfaces */
  --sage:#E8EDE3;          /* alternate section tint */
  --ink:#18241D;           /* primary text */
  --muted:#5A6A60;         /* secondary text */
  --line:#E0DACB;          /* hairline on cream */

  --maxw:1180px;
  --gutter:clamp(20px,5vw,64px);

  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Hanken Grotesk',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;

  --t-fast:.25s cubic-bezier(.2,.7,.2,1);
  --t-med:.5s cubic-bezier(.2,.7,.2,1);
}

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

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.08;letter-spacing:-.01em}
h1{font-size:clamp(2.6rem,6vw,4.6rem)}
h2{font-size:clamp(2rem,4.2vw,3.2rem)}
h3{font-size:clamp(1.35rem,2.4vw,1.8rem)}
p{max-width:62ch}
.lead{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--muted);line-height:1.6}

.eyebrow{
  font-family:var(--sans);
  font-size:.72rem;font-weight:600;
  letter-spacing:.28em;text-transform:uppercase;
  color:var(--gold);
  display:inline-flex;align-items:center;gap:.7em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}

.serif-em{font-family:var(--serif);font-style:italic;color:var(--forest-2)}

/* ---------- Layout ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
section{padding-block:clamp(64px,9vw,124px)}
.tint{background:var(--sage)}
.green{background:var(--forest);color:#EDE7D6}
.green h1,.green h2,.green h3{color:#fff}
.green .lead{color:#C9D6CC}
.green .eyebrow{color:var(--gold-soft)}
.green .eyebrow::before{background:var(--gold-soft)}

.grid{display:grid;gap:clamp(28px,4vw,56px)}
.section-head{max-width:62ch;margin-bottom:clamp(36px,5vw,60px)}
.section-head h2{margin-top:18px}
.section-head .lead{margin-top:18px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--sans);font-weight:600;font-size:.95rem;
  padding:14px 26px;border-radius:2px;cursor:pointer;border:1px solid transparent;
  transition:transform var(--t-fast),background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
  letter-spacing:.01em;
}
.btn .arr{transition:transform var(--t-fast)}
.btn:hover .arr{transform:translateX(4px)}
.btn-primary{background:var(--forest);color:#fff}
.btn-primary:hover{background:var(--forest-deep);transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:#1c1407}
.btn-gold:hover{background:#a87f1f;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--forest);color:var(--forest)}
.btn-ghost:hover{background:var(--forest);color:#fff}
.green .btn-ghost{border-color:var(--gold-soft);color:#fff}
.green .btn-ghost:hover{background:var(--gold);color:#1c1407;border-color:var(--gold)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,243,235,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:42px;width:auto}
.brand .wm{font-family:var(--serif);font-size:1.35rem;letter-spacing:.04em;color:var(--forest)}
.brand .wm b{font-weight:600}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none}
.nav-links a{
  font-size:.92rem;font-weight:500;color:var(--ink);position:relative;padding:4px 0;
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--gold);transition:width var(--t-fast)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--forest)}
.nav-cta{margin-left:6px}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.menu-toggle span{width:24px;height:2px;background:var(--forest);transition:var(--t-fast)}

/* ---------- Hero ---------- */
.hero{position:relative;padding-top:clamp(48px,7vw,90px);padding-bottom:clamp(56px,8vw,110px);overflow:hidden}
.hero::after{ /* subtle wheat-field gradient at base */
  content:"";position:absolute;inset:auto 0 0 0;height:42%;
  background:linear-gradient(180deg,transparent,rgba(194,153,47,.05));z-index:0;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(36px,5vw,72px);align-items:center;position:relative;z-index:1}
.hero h1{margin:20px 0 0}
.hero .lead{margin-top:24px;max-width:46ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-note{margin-top:22px;font-size:.85rem;color:var(--muted)}

/* Certificate / ledger card — the signature element */
.certificate{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:3px;
  padding:30px;
  position:relative;
  box-shadow:0 30px 60px -38px rgba(27,67,50,.5);
}
.certificate::before{ /* inner gold rule frame */
  content:"";position:absolute;inset:10px;border:1px solid var(--gold-soft);border-radius:2px;pointer-events:none;
}
.certificate .cert-inner{position:relative;z-index:1}
.cert-tag{display:flex;justify-content:space-between;align-items:center;font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:600}
.cert-tag .dot{display:inline-flex;align-items:center;gap:7px;color:var(--forest-2)}
.cert-tag .dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(194,153,47,.18)}
.cert-title{font-family:var(--serif);font-size:1.5rem;margin:14px 0 4px;color:var(--forest)}
.cert-sub{font-size:.9rem;color:var(--muted);margin-bottom:20px}
.cert-rule{height:1px;background:linear-gradient(90deg,transparent,var(--gold-soft),transparent);margin:18px 0}

/* split ledger rows */
.split-row{display:flex;align-items:baseline;justify-content:space-between;padding:9px 0;border-bottom:1px dotted var(--line)}
.split-row:last-child{border-bottom:0}
.split-row .who{font-weight:600;font-size:.95rem}
.split-row .who small{display:block;font-weight:400;color:var(--muted);font-size:.78rem;letter-spacing:0;text-transform:none}
.split-row .pct{font-family:var(--serif);font-size:1.5rem;color:var(--forest)}
.split-row .pct.gold{color:var(--gold)}

/* meter bar */
.meter{display:flex;height:10px;border-radius:6px;overflow:hidden;margin:18px 0 8px;border:1px solid var(--line)}
.meter i{display:block;height:100%}
.meter .m-inv{background:var(--forest)}
.meter .m-far{background:var(--gold)}
.meter .m-co{background:var(--forest-2);opacity:.55}
.meter-key{display:flex;gap:18px;flex-wrap:wrap;font-size:.78rem;color:var(--muted)}
.meter-key span{display:inline-flex;align-items:center;gap:7px}
.meter-key i{width:11px;height:11px;border-radius:3px;display:inline-block}

/* ---------- Proof strip ---------- */
.proof{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper)}
.proof .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.proof-item{padding:30px var(--gutter);border-right:1px solid var(--line)}
.proof-item:last-child{border-right:0}
.proof-item .k{font-family:var(--serif);font-size:1.9rem;color:var(--forest);line-height:1}
.proof-item .l{font-size:.82rem;color:var(--muted);margin-top:8px}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(20px,2.4vw,30px)}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:30px;
  transition:transform var(--t-fast),box-shadow var(--t-fast),border-color var(--t-fast);
}
.card:hover{transform:translateY(-4px);box-shadow:0 24px 48px -34px rgba(27,67,50,.45);border-color:var(--gold-soft)}
.card .ix{font-family:var(--serif);font-size:.95rem;color:var(--gold);letter-spacing:.1em}
.card h3{margin:14px 0 10px;color:var(--forest)}
.card p{font-size:.95rem;color:var(--muted)}

/* layered list (technology phases) */
.layer{display:grid;grid-template-columns:auto 1fr;gap:26px;padding:28px 0;border-top:1px solid var(--line);align-items:start}
.layer:first-of-type{border-top:0}
.layer .ph{font-family:var(--serif);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);white-space:nowrap;padding-top:6px}
.layer h3{color:var(--forest);margin-bottom:8px}
.layer p{color:var(--muted);font-size:.96rem}
.layer ul{margin-top:10px;padding-left:0;list-style:none;display:grid;gap:7px}
.layer li{font-size:.92rem;color:var(--ink);padding-left:22px;position:relative}
.layer li::before{content:"";position:absolute;left:0;top:.6em;width:9px;height:9px;border:1px solid var(--gold);transform:rotate(45deg)}

/* ---------- Feature split ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:center}
.feature.flip .fimg{order:2}
.fimg{background:var(--forest);border-radius:3px;aspect-ratio:4/3;position:relative;overflow:hidden;border:1px solid var(--line)}
.fimg .mark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.fimg .mark svg{width:55%;height:55%;opacity:.9}

/* ---------- Steps ---------- */
.steps{counter-reset:s;display:grid;gap:0}
.step{display:grid;grid-template-columns:auto 1fr;gap:26px;padding:30px 0;border-top:1px solid var(--line)}
.step:first-child{border-top:0}
.step .num{counter-increment:s;font-family:var(--serif);font-size:2.4rem;color:var(--gold);line-height:1;min-width:64px}
.step .num::before{content:"0" counter(s)}
.step h3{color:var(--forest);margin-bottom:8px}
.step p{color:var(--muted);font-size:.96rem}

/* ---------- FAQ ---------- */
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:24px 40px 24px 0;font-family:var(--serif);font-size:1.2rem;color:var(--forest);position:relative;display:block}
.faq-q::after{content:"+";position:absolute;right:4px;top:22px;font-family:var(--sans);font-size:1.6rem;color:var(--gold);transition:transform var(--t-fast)}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t-med)}
.faq-a p{padding:0 0 24px;color:var(--muted);font-size:.98rem}

/* ---------- Forms ---------- */
.form{display:grid;gap:18px;max-width:560px}
.field{display:grid;gap:7px}
.field label{font-size:.82rem;font-weight:600;letter-spacing:.04em;color:var(--ink)}
.field input,.field select,.field textarea{
  font-family:var(--sans);font-size:1rem;padding:13px 15px;
  border:1px solid var(--line);border-radius:2px;background:var(--paper);color:var(--ink);
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--forest);box-shadow:0 0 0 3px rgba(27,67,50,.12)
}
.field textarea{min-height:130px;resize:vertical}

/* ---------- Banner (legal draft notice) ---------- */
.notice{background:rgba(194,153,47,.12);border:1px solid var(--gold-soft);border-radius:3px;padding:18px 22px;font-size:.92rem;color:#6b551d;margin-bottom:36px}
.notice b{color:#5a4715}

/* ---------- CTA band ---------- */
.cta-band{background:var(--forest);color:#fff;border-radius:4px;padding:clamp(40px,6vw,72px);text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:14px;border:1px solid rgba(216,189,126,.35);border-radius:3px;pointer-events:none}
.cta-band h2{color:#fff;position:relative}
.cta-band .lead{color:#C9D6CC;margin:16px auto 30px;max-width:52ch;position:relative}
.cta-band .hero-actions{justify-content:center;position:relative}

/* ---------- Footer ---------- */
.site-footer{background:var(--forest-deep);color:#B9C7BD;padding-block:clamp(56px,7vw,84px) 30px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.foot-brand .wm{font-family:var(--serif);font-size:1.5rem;color:#fff;letter-spacing:.05em}
.foot-brand .wm b{color:var(--gold-soft);font-weight:500}
.foot-brand p{margin-top:14px;color:#8FA396;font-size:.9rem;max-width:34ch}
.foot-col h4{font-family:var(--sans);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-soft);font-weight:600;margin-bottom:16px}
.foot-col ul{list-style:none;display:grid;gap:10px}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#7E9286}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Page hero (interior) ---------- */
.page-hero{padding-block:clamp(52px,7vw,92px) clamp(36px,5vw,56px)}
.page-hero h1{margin-top:18px}
.page-hero .lead{margin-top:18px;max-width:60ch}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-grid,.feature,.foot-grid{grid-template-columns:1fr}
  .feature.flip .fimg{order:0}
  .proof .container{grid-template-columns:1fr 1fr}
  .proof-item:nth-child(2){border-right:0}
  .proof-item{border-bottom:1px solid var(--line)}
  .foot-grid{gap:32px}
  .layer{grid-template-columns:1fr;gap:10px}
  .step{grid-template-columns:1fr;gap:8px}
  .step .num{font-size:2rem}
}
@media(max-width:760px){
  .menu-toggle{display:flex}
  .nav-links{
    position:fixed;inset:74px 0 auto 0;background:var(--cream);flex-direction:column;
    align-items:flex-start;gap:0;padding:10px var(--gutter) 28px;border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:transform var(--t-med);box-shadow:0 24px 40px -30px rgba(0,0,0,.4);
  }
  .nav-links.open{transform:none}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:15px 0;border-bottom:1px solid var(--line);width:100%}
  .nav-links a::after{display:none}
  .nav-cta{margin:14px 0 0}
  .nav-cta .btn{width:100%;justify-content:center}
  .foot-bottom{flex-direction:column}
}
@media(max-width:480px){
  .proof .container{grid-template-columns:1fr}
  .proof-item{border-right:0}
}

/* ---------- A11y ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--gold);outline-offset:3px
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}