/* ================================================================
   Agrinnovation.ChordexBio.com — Design System
   Inherits ChordexBio.com aesthetic: deep purple + serif display,
   light parchment body, dark hero/CTA. Event-specific palette
   for Agrinnovation Marketplace 2026.
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Serif:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* ── Tokens ── */
:root {
  /* Brand — same system as chordexbio.com */
  --c-purple:     #6d2e8f;
  --c-purple-dk:  #4d1f66;
  --c-purple-lt:  #9b5cb8;
  --c-accent:     #c8477f;
  --c-gold:       #d9a93a;

  /* Agrinnovation event accent — warm leaf gold */
  --c-agri:       #c8862a;
  --c-agri-lt:    #e0a84a;

  /* Light surfaces (default body) */
  --c-bg:         #fbfaf7;
  --c-bg-2:       #f4f2ec;
  --c-bg-3:       #ebe8df;
  --c-bg-card:    #ffffff;
  --c-border:     rgba(35,28,50,.12);
  --c-border-lt:  rgba(35,28,50,.07);
  --c-border-strong: rgba(35,28,50,.22);

  /* Ink text */
  --c-text:       #161325;
  --c-text-muted: #4d4860;
  --c-text-dim:   #837e92;

  /* Dark surfaces */
  --c-dark:       #120f1c;
  --c-dark-2:     #1a1626;
  --c-dark-3:     #241d33;
  --c-dark-text:  #f3f1fa;
  --c-dark-muted: #b3adc6;
  --c-dark-dim:   #6f698a;

  /* Gradients */
  --grad-brand:   linear-gradient(135deg,#6d2e8f 0%,#4d1f66 100%);
  --grad-hero:    radial-gradient(120% 120% at 80% 0%, #2a1840 0%, #120f1c 60%);
  --grad-line:    linear-gradient(90deg,var(--c-purple),var(--c-accent));
  --grad-agri:    linear-gradient(135deg,var(--c-agri) 0%,var(--c-purple) 100%);

  /* Type */
  --ff-display: 'IBM Plex Serif', Georgia, serif;
  --ff-body:    'Inter', system-ui, -apple-system, sans-serif;
  --ff-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --radius-sm: 4px; --radius-md: 8px; --radius-lg: 14px; --radius-xl: 22px;

  --shadow-sm:   0 1px 2px rgba(22,19,37,.06);
  --shadow-card: 0 2px 14px rgba(22,19,37,.06), 0 10px 36px rgba(22,19,37,.04);
  --shadow-lift: 0 12px 36px rgba(22,19,37,.10), 0 24px 64px rgba(22,19,37,.08);

  --nav-h: 74px;
  --max-w: 1240px;
  --col-gap: clamp(16px,2.4vw,28px);
  --ease-out: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{font-family:var(--ff-body);font-size:16px;line-height:1.65;color:var(--c-text);
  background:var(--c-bg);overflow-x:hidden;-webkit-font-smoothing:antialiased;}
img,video,svg{display:block;max-width:100%;}
a{color:var(--c-purple);text-decoration:none;transition:color .2s;}
a:hover{color:var(--c-accent);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
ul{list-style:none;}
::selection{background:rgba(109,46,143,.18);}
h1,h2,h3{line-height:1.12;font-weight:700;letter-spacing:-.01em;}
em{font-style:italic;color:var(--c-purple);}

.container{width:min(var(--max-w),100%);padding-inline:clamp(20px,5vw,56px);margin-inline:auto;}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));gap:var(--col-gap);}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:var(--col-gap);}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:var(--col-gap);}
section{padding-block:clamp(56px,7vw,104px);}
.section--alt{background:var(--c-bg-2);}
.section--dark{background:var(--c-dark);color:var(--c-dark-text);}
.section--dark em{color:var(--c-purple-lt);}
.section--dark .section-sub{color:var(--c-dark-muted);}

/* Typography helpers */
.section-label{font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--c-purple);font-weight:600;margin-bottom:14px;}
.section-title{font-family:var(--ff-display);font-size:clamp(1.7rem,3.4vw,2.6rem);}
.section-sub{color:var(--c-text-muted);max-width:62ch;margin-top:14px;font-size:1.05rem;}
.text-center{text-align:center;}
.text-center .section-sub{margin-inline:auto;}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;
  padding:13px 22px;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;
  transition:transform .15s var(--ease-out),box-shadow .2s,background .2s;white-space:nowrap;}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--c-purple);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--c-purple-dk);color:#fff;}
.btn-outline{border-color:var(--c-border-strong);color:var(--c-text);}
.btn-outline:hover{border-color:var(--c-purple);color:var(--c-purple);}
.btn-ghost{background:transparent;color:var(--c-purple);padding-inline:6px;}
.btn-ghost:hover{color:var(--c-accent);}
.btn-sm{padding:9px 15px;font-size:.85rem;}
.btn-light{background:#fff;color:var(--c-purple-dk);}
.btn-light:hover{background:var(--c-bg-2);color:var(--c-purple-dk);}
.btn-line{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.btn-line:hover{border-color:#fff;color:#fff;}

/* ── Navigation ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);display:flex;align-items:center;
  background:rgba(251,250,247,.86);backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--c-border-lt);}
.nav__inner{display:flex;align-items:center;justify-content:space-between;width:100%;}
.nav__logo{display:flex;align-items:center;gap:10px;font-family:var(--ff-display);font-weight:700;
  font-size:1.2rem;color:var(--c-text);}
.nav__logo img{height:38px;width:auto;}
.nav__links{display:flex;align-items:center;gap:4px;}
.nav__link{padding:10px 14px;border-radius:8px;color:var(--c-text-muted);font-weight:500;font-size:.95rem;
  display:inline-flex;align-items:center;gap:5px;}
.nav__link:hover{color:var(--c-purple);background:var(--c-bg-2);}
.nav__cta{margin-left:8px;background:var(--c-purple);color:#fff;padding:10px 18px;border-radius:8px;
  font-weight:600;font-size:.92rem;}
.nav__cta:hover{background:var(--c-purple-dk);color:#fff;}
.nav__burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:8px;}
.nav__burger span{width:24px;height:2px;background:var(--c-text);border-radius:2px;}

/* Hero */
.hero{background:var(--grad-hero);color:var(--c-dark-text);padding-top:calc(var(--nav-h) + clamp(48px,8vw,96px));
  padding-bottom:clamp(64px,9vw,128px);position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(60% 60% at 85% 20%,rgba(109,46,143,.35),transparent 70%);pointer-events:none;}
.hero__inner{position:relative;z-index:1;max-width:880px;}
.hero__eyebrow{font-family:var(--ff-mono);font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--c-purple-lt);margin-bottom:20px;display:inline-flex;align-items:center;gap:10px;}
.hero__eyebrow::before{content:"";width:34px;height:1px;background:var(--c-purple-lt);}
.hero h1{font-family:var(--ff-display);font-size:clamp(2.2rem,5.2vw,4rem);line-height:1.05;letter-spacing:-.02em;}
.hero h1 em{color:#c89ee0;font-style:italic;}
.hero__sub{margin-top:24px;font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--c-dark-muted);
  max-width:62ch;line-height:1.6;}
.hero__actions{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap;}

/* Trust strip */
.trust{background:var(--c-dark-2);color:var(--c-dark-muted);border-bottom:1px solid rgba(255,255,255,.06);}
.trust__inner{display:flex;align-items:center;gap:clamp(18px,3vw,44px);flex-wrap:wrap;
  padding-block:18px;font-size:.85rem;}
.trust__label{font-family:var(--ff-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--c-dark-dim);}
.trust__logos{display:flex;align-items:center;gap:clamp(16px,2.6vw,34px);flex-wrap:wrap;margin-left:auto;}
.trust__logo{font-family:var(--ff-display);font-weight:600;font-size:1.05rem;color:var(--c-dark-muted);
  opacity:.82;letter-spacing:.02em;}

/* Stat bar */
.stats-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--col-gap);
  background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-xl);
  padding:clamp(26px,4vw,44px);box-shadow:var(--shadow-card);margin-block:48px;}
.stat{text-align:center;padding-inline:8px;border-right:1px solid var(--c-border-lt);}
.stat:last-child{border-right:0;}
.stat__val{font-family:var(--ff-display);font-size:clamp(1.9rem,3.4vw,2.8rem);color:var(--c-purple);font-weight:700;}
.stat__lbl{color:var(--c-text-muted);font-size:.9rem;margin-top:6px;}

/* Cards */
.card{background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-lg);
  padding:clamp(22px,3vw,34px);box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease-out),box-shadow .2s,border-color .2s;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--c-purple-lt);}
.card__icon{width:46px;height:46px;border-radius:11px;
  background:linear-gradient(135deg,rgba(109,46,143,.12),rgba(200,71,127,.08));
  display:grid;place-items:center;font-size:1.4rem;margin-bottom:18px;color:var(--c-purple);}
.card h3{font-size:1.2rem;}
.card p{color:var(--c-text-muted);margin-top:10px;font-size:.97rem;}

/* Platform card */
.platform-card{display:flex;flex-direction:column;gap:10px;background:var(--c-bg-card);
  border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:26px;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease-out),box-shadow .2s,border-color .2s;}
.platform-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--c-purple-lt);}
.platform-card__top{display:flex;align-items:center;gap:12px;}
.platform-card__logo{width:40px;height:40px;border-radius:10px;background:var(--c-bg-2);
  display:grid;place-items:center;font-family:var(--ff-mono);font-weight:600;color:var(--c-purple);font-size:.95rem;}
.platform-card__name{font-family:var(--ff-display);font-weight:600;font-size:1.18rem;}
.badge{font-family:var(--ff-mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;
  padding:4px 9px;border-radius:999px;background:var(--c-bg-2);color:var(--c-text-muted);
  border:1px solid var(--c-border);}
.badge--live{background:rgba(20,85,90,.12);color:var(--c-teal);border-color:rgba(20,85,90,.25);}
.badge--active{background:rgba(109,46,143,.12);color:var(--c-purple);border-color:rgba(109,46,143,.25);}
.badge--indev{background:rgba(200,71,127,.12);color:var(--c-accent);border-color:rgba(200,71,127,.25);}
.badge--services{background:rgba(217,169,58,.14);color:var(--c-gold);border-color:rgba(217,169,58,.3);}
.platform-card__desc{color:var(--c-text-muted);font-size:.95rem;flex:1;}
.platform-card__link{color:var(--c-purple);font-weight:600;font-size:.9rem;
  display:inline-flex;align-items:center;gap:6px;margin-top:4px;}

/* Research deck card */
.deck-card{display:flex;flex-direction:column;gap:12px;background:var(--c-bg-card);
  border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease-out),box-shadow .2s,border-color .2s;text-decoration:none;color:inherit;}
.deck-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--c-purple-lt);}
.deck-card__preview{width:100%;aspect-ratio:16/9;border-radius:var(--radius-md);
  background:linear-gradient(135deg,rgba(109,46,143,.10) 0%,rgba(200,71,127,.06) 100%);
  display:grid;place-items:center;color:var(--c-purple);overflow:hidden;}
.deck-card__preview img{width:100%;height:100%;object-fit:cover;}
.deck-card__preview svg{width:48px;height:48px;}
.deck-card__body{flex:1;}
.deck-card__tag{font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--c-agri);font-weight:500;margin-bottom:6px;}
.deck-card__title{font-family:var(--ff-display);font-size:1.1rem;font-weight:700;color:var(--c-text);
  line-height:1.32;margin-bottom:8px;}
.deck-card__desc{font-size:.88rem;color:var(--c-text-muted);line-height:1.6;}
.deck-card__meta{display:flex;gap:14px;margin-top:12px;font-size:.76rem;color:var(--c-text-dim);
  font-family:var(--ff-mono);letter-spacing:.04em;}
.deck-card__cta{color:var(--c-purple);font-weight:600;font-size:.85rem;
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;}
.deck-card:hover .deck-card__cta{color:var(--c-accent);}

/* Service card */
.service-card{background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-card);text-align:center;
  transition:transform .2s var(--ease-out),box-shadow .2s,border-color .2s;}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--c-purple-lt);}
.service-card__icon{width:64px;height:64px;border-radius:50%;
  background:linear-gradient(135deg,rgba(109,46,143,.14),rgba(200,71,127,.10));
  display:grid;place-items:center;margin:0 auto 20px;color:var(--c-purple);}
.service-card__icon svg{width:28px;height:28px;}
.service-card__name{font-family:var(--ff-display);font-size:1.3rem;font-weight:700;color:var(--c-text);
  margin-bottom:12px;}
.service-card__desc{color:var(--c-text-muted);font-size:.93rem;line-height:1.65;}

/* Section divider */
.gradient-divider{height:2px;border:0;background:var(--grad-line);opacity:.7;
  max-width:var(--max-w);margin-inline:auto;}

/* CTA strip */
.cta-strip{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--grad-brand);color:#fff;border-radius:var(--radius-xl);
  padding:clamp(30px,4vw,52px);box-shadow:var(--shadow-lift);}
.cta-strip h2{color:#fff;}
.cta-strip p{color:rgba(255,255,255,.85);margin-top:8px;}
.cta-strip__btns{display:flex;gap:12px;flex-wrap:wrap;}
.cta-strip .section-label{color:var(--c-purple-lt);}
.cta-strip .section-label::before{background:var(--c-purple-lt);}

/* Research deck hero variation */
.deck-hero{background:linear-gradient(135deg,#2a1840 0%,#120f1c 60%);color:var(--c-dark-text);
  padding-top:calc(var(--nav-h) + clamp(40px,6vw,72px));padding-bottom:clamp(40px,6vw,72px);
  position:relative;overflow:hidden;}
.deck-hero::after{content:"";position:absolute;inset:0;
  background:radial-gradient(50% 50% at 90% 10%,rgba(200,134,42,.20),transparent 70%);}
.deck-hero__inner{position:relative;z-index:1;max-width:880px;}

/* Publication list */
.pub-list{display:flex;flex-direction:column;gap:14px;}
.pub-item{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:flex-start;
  background:var(--c-bg-card);border:1px solid var(--c-border);border-radius:var(--radius-lg);
  padding:20px 24px;box-shadow:var(--shadow-sm);transition:border-color .2s,box-shadow .2s;}
.pub-item:hover{border-color:var(--c-purple-lt);box-shadow:var(--shadow-card);}
.pub-item__meta{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--c-text-dim);margin-bottom:6px;display:flex;gap:10px;flex-wrap:wrap;}
.pub-item__title{font-family:var(--ff-display);font-size:1.05rem;font-weight:700;color:var(--c-text);
  line-height:1.35;margin-bottom:6px;}
.pub-item__authors{font-size:.85rem;color:var(--c-text-muted);margin-bottom:4px;}
.pub-item__journal{font-size:.82rem;color:var(--c-text-dim);font-style:italic;}
.pub-item__link{color:var(--c-purple);font-weight:600;font-size:.85rem;
  display:inline-flex;align-items:center;gap:5px;margin-top:6px;}
.pub-item:hover .pub-item__link{color:var(--c-accent);}
.pub-item__link svg{width:13px;height:13px;}

/* Partner / event strip */
.event-strip{display:flex;align-items:center;gap:16px;background:var(--c-bg-2);
  border:1px solid var(--c-border-lt);border-radius:var(--radius-lg);padding:18px 24px;
  box-shadow:var(--shadow-sm);flex-wrap:wrap;}
.event-strip__logo{width:48px;height:48px;border-radius:10px;
  background:linear-gradient(135deg,rgba(200,134,42,.2),rgba(109,46,143,.1));
  display:grid;place-items:center;color:var(--c-agri);flex-shrink:0;}
.event-strip__label{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--c-text-dim);margin-bottom:4px;}
.event-strip__title{font-family:var(--ff-display);font-size:1.1rem;font-weight:700;color:var(--c-text);}
.event-strip__sub{font-size:.88rem;color:var(--c-text-muted);}

/* Responsive */
@media(max-width:880px){
  .nav__links,.nav__cta{display:none;}
  .nav__burger{display:flex;}
  .footer__grid{grid-template-columns:1fr 1fr;}
  .pa{grid-template-columns:1fr;}
  .pa__mid{padding:14px;}
  .case{grid-template-columns:1fr;}
}
@media(max-width:560px){
  .footer__grid{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--c-border-lt);}
}

/* Mobile menu */
.mobile-menu{position:fixed;inset:var(--nav-h) 0 0 0;background:var(--c-bg);
  transform:translateY(-110%);transition:transform .3s var(--ease-out);
  padding:24px;display:flex;flex-direction:column;gap:6px;z-index:99;}
.mobile-menu.open{transform:none;}
.mobile-menu a{padding:14px;border-radius:10px;color:var(--c-text);font-weight:500;}
.mobile-menu a:hover{background:var(--c-bg-2);}

/* Footer */
.footer{background:var(--c-dark);color:var(--c-dark-muted);
  padding-block:clamp(48px,6vw,80px) 30px;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer__brand img,.footer__brand .mark{margin-bottom:16px;}
.footer__heading{color:var(--c-dark-text);font-weight:600;margin-bottom:14px;font-size:.95rem;}
.footer__links{display:flex;flex-direction:column;gap:9px;}
.footer__links a{color:var(--c-dark-muted);font-size:.92rem;}
.footer__links a:hover{color:#fff;}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:.85rem;}
.footer__bottom a{color:var(--c-dark-muted);}
.footer__disclaim{color:var(--c-dark-dim);font-size:.78rem;line-height:1.55;
  border-top:1px solid rgba(255,255,255,.06);padding-top:20px;margin-top:20px;
  max-width:100%;}

/* Page hero (interior) */
.page-hero{padding-top:calc(var(--nav-h) + clamp(40px,6vw,72px));
  padding-bottom:clamp(36px,5vw,64px);}
.page-hero__label{font-family:var(--ff-mono);font-size:.8rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--c-purple);margin-bottom:14px;}
.page-hero__title{font-family:var(--ff-display);font-size:clamp(2rem,4.6vw,3.4rem);}
.page-hero__sub{color:var(--c-text-muted);max-width:64ch;margin-top:18px;font-size:1.08rem;}

/* Breadcrumb / utility */
.eyebrow-row{display:flex;justify-content:space-between;align-items:flex-end;
  gap:16px;flex-wrap:wrap;margin-bottom:40px;}
.muted{color:var(--c-text-muted);}
.note{font-size:.85rem;color:var(--c-text-dim);margin-top:10px;}

/* Reveal animation */
.animate-on-scroll{opacity:0;transform:translateY(18px);
  transition:opacity .7s var(--ease-out),transform .7s var(--ease-out);}
.animate-on-scroll.in{opacity:1;transform:none;}
[data-stagger]>*{opacity:0;transform:translateY(18px);
  transition:opacity .6s var(--ease-out),transform .6s var(--ease-out);}
[data-stagger].in>*{opacity:1;transform:none;}
[data-stagger].in>*:nth-child(2){transition-delay:.06s;}
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