/* ============================================================
   ARNA Crops — Global Stylesheet
   A modern, responsive biotech / life-sciences website.
   ============================================================ */

/* ----------  Design tokens  ---------- */
:root {
  --green-900: #0c3b22;
  --green-800: #115e36;
  --green-700: #157347;
  --green-600: #1a8a52;
  --green-500: #28a564;
  --green-400: #4cc585;
  --green-300: #8fe0b4;
  --green-100: #e6f7ee;
  --gold: #f5b942;
  --gold-dark: #d99a1f;

  --ink: #122019;
  --body: #3c4a43;
  --muted: #6b7a72;
  --line: #e2ebe6;
  --bg: #ffffff;
  --bg-soft: #f4f9f6;
  --bg-dark: #0c3b22;

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(12, 59, 34, .06);
  --shadow: 0 10px 30px rgba(12, 59, 34, .10);
  --shadow-lg: 0 24px 60px rgba(12, 59, 34, .16);

  --container: 1180px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --head: "Poppins", var(--font);
}

/* ----------  Reset  ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--body);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3, h4 { font-family: var(--head); color: var(--ink); line-height: 1.18; font-weight: 700; }

/* ----------  Layout helpers  ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }
.section { padding: 92px 0; }
.section-sm { padding: 64px 0; }
.bg-soft { background: var(--bg-soft); }
.text-center { text-align: center; }
.eyebrow {
  display: inline-block;
  font-family: var(--head);
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green-600);
  background: var(--green-100);
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 18px;
}
.section-title { font-size: clamp(1.8rem, 4vw, 2.7rem); margin-bottom: 16px; }
.section-lead { max-width: 680px; margin: 0 auto; color: var(--muted); font-size: 1.06rem; }
.lead-left { margin: 0; }

/* ----------  Buttons  ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--head); font-weight: 600; font-size: .96rem;
  padding: 13px 26px; border-radius: 50px; cursor: pointer;
  border: 2px solid transparent; transition: .25s ease; white-space: nowrap;
}
.btn-primary { background: var(--green-600); color: #fff; box-shadow: 0 8px 22px rgba(26,138,82,.32); }
.btn-primary:hover { background: var(--green-700); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(26,138,82,.4); }
.btn-light { background: #fff; color: var(--green-800); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: var(--green-700); border-color: var(--green-300); }
.btn-outline:hover { background: var(--green-100); }
.btn-ghost-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.4); }
.btn-ghost-light:hover { background: rgba(255,255,255,.22); }
.arrow { transition: transform .25s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--head); font-weight: 800; font-size: 1.3rem; color: var(--ink); }
.brand .logo-mark { width: 40px; height: 40px; flex: 0 0 40px; }
.brand small { display: block; font-size: .62rem; font-weight: 600; letter-spacing: .22em; color: var(--green-600); text-transform: uppercase; margin-top: -3px; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu > li > a {
  display: flex; align-items: center; gap: 5px;
  font-family: var(--head); font-weight: 500; font-size: .95rem; color: var(--ink);
  padding: 10px 15px; border-radius: 9px; transition: .2s;
}
.nav-menu > li > a:hover, .nav-menu > li.active > a { color: var(--green-700); background: var(--green-100); }
.nav-actions { display: flex; align-items: center; gap: 12px; }

/* Dropdowns */
.has-drop { position: relative; }
.caret { width: 9px; height: 9px; fill: currentColor; transition: transform .2s; }
.has-drop:hover .caret { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 230px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 8px; opacity: 0; visibility: hidden;
  transform: translateY(8px); transition: .2s;
}
.has-drop:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: block; padding: 10px 13px; border-radius: 8px; font-size: .92rem; font-weight: 500; color: var(--ink); }
.dropdown a span { display: block; font-size: .78rem; color: var(--muted); font-weight: 400; }
.dropdown a:hover { background: var(--green-100); color: var(--green-700); }

/* Mobile toggle */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--ink); border-radius: 2px; transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background:
    linear-gradient(120deg, rgba(12,59,34,.93) 0%, rgba(17,94,54,.82) 45%, rgba(26,138,82,.62) 100%),
    radial-gradient(circle at 80% 20%, var(--green-500), var(--green-900) 70%);
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.07) 1.5px, transparent 1.5px);
  background-size: 28px 28px; opacity: .6;
}
.hero-inner { position: relative; z-index: 2; padding: 110px 0 120px; max-width: 760px; }
.hero h1 { font-size: clamp(2.2rem, 5.4vw, 3.9rem); color: #fff; margin-bottom: 20px; }
.hero h1 .accent { color: var(--gold); }
.hero p { font-size: 1.16rem; color: rgba(255,255,255,.9); max-width: 600px; margin-bottom: 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 46px; }
.hero-badge { display: flex; align-items: center; gap: 9px; font-size: .92rem; color: rgba(255,255,255,.92); }
.hero-badge svg { width: 20px; height: 20px; fill: var(--gold); flex: 0 0 20px; }

/* Page hero (interior) */
.page-hero { position: relative; color: #fff; text-align: center; overflow: hidden;
  background: linear-gradient(120deg, var(--green-900), var(--green-700)); }
.page-hero::after { content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1.5px, transparent 1.5px); background-size: 26px 26px; }
.page-hero-inner { position: relative; z-index: 2; padding: 86px 0 78px; }
.page-hero .eyebrow { background: rgba(255,255,255,.15); color: #fff; }
.page-hero h1 { color: #fff; font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 14px; }
.page-hero p { color: rgba(255,255,255,.88); max-width: 620px; margin: 0 auto; font-size: 1.08rem; }
.breadcrumb { margin-top: 22px; font-size: .88rem; color: rgba(255,255,255,.75); }
.breadcrumb a:hover { color: #fff; }

/* ============================================================
   STAT STRIP
   ============================================================ */
.stats { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 38px 20px;
  margin-top: -64px; position: relative; z-index: 5; }
.stat { text-align: center; padding: 8px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat .num { font-family: var(--head); font-weight: 800; font-size: clamp(1.8rem, 3.5vw, 2.6rem); color: var(--green-600); line-height: 1; }
.stat .label { font-size: .9rem; color: var(--muted); margin-top: 8px; }

/* ============================================================
   FEATURE / VALUE CARDS
   ============================================================ */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 30px; transition: .28s; height: 100%;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--green-300); }
.card .icon {
  width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center;
  background: var(--green-100); margin-bottom: 20px;
}
.card .icon svg { width: 30px; height: 30px; fill: var(--green-600); }
.card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .98rem; }

/* ============================================================
   SPLIT (image + text)
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media {
  border-radius: var(--radius-lg); min-height: 380px; position: relative; overflow: hidden;
  box-shadow: var(--shadow); display: grid; place-items: center; color: #fff;
}
.media-leaf  { background: linear-gradient(135deg, var(--green-700), var(--green-500)); }
.media-dairy { background: linear-gradient(135deg, #2b7a78, var(--green-500)); }
.media-health{ background: linear-gradient(135deg, #1f6f8b, #2aa56b); }
.media-tech  { background: linear-gradient(135deg, var(--green-900), var(--green-600)); }
.media-about { background: linear-gradient(135deg, var(--green-800), var(--green-400)); }
.split-media .media-icon { width: 96px; height: 96px; opacity: .92; }
.split-media .media-icon svg { width: 100%; height: 100%; fill: rgba(255,255,255,.9); }
.split-media::after { content:""; position:absolute; inset:0;
  background-image: radial-gradient(rgba(255,255,255,.08) 1.5px, transparent 1.5px); background-size: 24px 24px; }

.split-body h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); margin-bottom: 18px; }
.split-body p { color: var(--body); margin-bottom: 16px; }

/* Check list */
.check-list { display: grid; gap: 14px; margin: 22px 0; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; }
.check-list .tick {
  flex: 0 0 24px; width: 24px; height: 24px; border-radius: 50%; background: var(--green-100);
  display: grid; place-items: center; margin-top: 2px;
}
.check-list .tick svg { width: 13px; height: 13px; fill: var(--green-600); }
.check-list b { color: var(--ink); display: block; }
.check-list span { color: var(--muted); font-size: .94rem; }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: .28s; display: flex; flex-direction: column; height: 100%;
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.product-top { height: 160px; display: grid; place-items: center; position: relative; }
.product-top svg { width: 64px; height: 64px; fill: rgba(255,255,255,.92); z-index: 1; }
.product-top::after { content:""; position:absolute; inset:0;
  background-image: radial-gradient(rgba(255,255,255,.1) 1.5px, transparent 1.5px); background-size: 22px 22px; }
.product-tag { position: absolute; top: 14px; left: 14px; z-index: 2; font-size: .72rem; font-weight: 600;
  font-family: var(--head); background: rgba(255,255,255,.92); color: var(--green-800);
  padding: 5px 11px; border-radius: 50px; letter-spacing: .04em; }
.product-body { padding: 26px 26px 30px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: 1.35rem; margin-bottom: 9px; }
.product-body p { color: var(--muted); font-size: .96rem; margin-bottom: 18px; flex: 1; }
.product-link { font-family: var(--head); font-weight: 600; color: var(--green-700); display: inline-flex; align-items: center; gap: 7px; }
.product-link:hover .arrow { transform: translateX(4px); }

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-band { position: relative; color: #fff; text-align: center; overflow: hidden;
  background: linear-gradient(120deg, var(--green-800), var(--green-600)); }
.cta-band::after { content:""; position:absolute; inset:0;
  background-image: radial-gradient(rgba(255,255,255,.08) 1.5px, transparent 1.5px); background-size: 26px 26px; }
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; font-size: clamp(1.7rem, 4vw, 2.6rem); margin-bottom: 14px; }
.cta-band p { color: rgba(255,255,255,.9); max-width: 560px; margin: 0 auto 28px; }

/* ============================================================
   TEAM / TESTIMONIAL
   ============================================================ */
.team-card { text-align: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px 26px; transition: .28s; }
.team-card:hover { box-shadow: var(--shadow); transform: translateY(-5px); }
.avatar { width: 92px; height: 92px; border-radius: 50%; margin: 0 auto 18px; display: grid; place-items: center;
  font-family: var(--head); font-weight: 700; font-size: 1.9rem; color: #fff; background: linear-gradient(135deg, var(--green-600), var(--green-400)); }
.team-card h3 { font-size: 1.2rem; margin-bottom: 4px; }
.team-card .role { color: var(--green-700); font-weight: 600; font-size: .9rem; font-family: var(--head); margin-bottom: 10px; }
.team-card p { color: var(--muted); font-size: .92rem; }

.quote-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; position: relative; }
.quote-card .mark { font-family: Georgia, serif; font-size: 3.4rem; color: var(--green-300); line-height: .6; }
.quote-card p { font-style: italic; color: var(--body); margin: 10px 0 18px; }
.quote-author { display: flex; align-items: center; gap: 12px; }
.quote-author .avatar { width: 46px; height: 46px; font-size: 1rem; margin: 0; }
.quote-author b { color: var(--ink); display: block; font-size: .95rem; }
.quote-author span { color: var(--muted); font-size: .82rem; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 46px; align-items: start; }
.contact-info-card { display: flex; gap: 16px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 16px; transition: .25s; }
.contact-info-card:hover { box-shadow: var(--shadow-sm); border-color: var(--green-300); }
.contact-info-card .ci-icon { flex: 0 0 50px; width: 50px; height: 50px; border-radius: 13px; background: var(--green-100); display: grid; place-items: center; }
.contact-info-card .ci-icon svg { width: 24px; height: 24px; fill: var(--green-600); }
.contact-info-card h4 { font-size: 1.05rem; margin-bottom: 3px; }
.contact-info-card p { color: var(--muted); font-size: .95rem; }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--head); font-weight: 500; font-size: .9rem; color: var(--ink); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 11px;
  font-family: var(--font); font-size: .96rem; color: var(--ink); background: var(--bg-soft); transition: .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--green-500); background: #fff; box-shadow: 0 0 0 4px var(--green-100);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-note { margin-top: 14px; font-size: .9rem; padding: 12px 15px; border-radius: 11px; display: none; }
.form-note.ok { display: block; background: var(--green-100); color: var(--green-800); }
.form-note.err { display: block; background: #fde8e8; color: #b23b3b; }

.map-wrap { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); margin-top: 24px; }
.map-wrap iframe { width: 100%; height: 320px; border: 0; display: block; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.72); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; }
.footer-brand .brand { color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: .95rem; max-width: 320px; margin-bottom: 18px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col a { font-size: .93rem; transition: .2s; }
.footer-col a:hover { color: var(--green-300); padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 13px; font-size: .93rem; }
.footer-contact svg { width: 18px; height: 18px; fill: var(--green-400); flex: 0 0 18px; margin-top: 3px; }
.socials { display: flex; gap: 10px; }
.socials a { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08); display: grid; place-items: center; transition: .2s; }
.socials a:hover { background: var(--green-600); transform: translateY(-3px); }
.socials svg { width: 18px; height: 18px; fill: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 22px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .86rem; }
.footer-bottom a:hover { color: var(--green-300); }

/* ============================================================
   MISC SECTIONS
   ============================================================ */
.note-banner { background: var(--green-100); border: 1px solid var(--green-300); border-radius: var(--radius);
  padding: 22px 26px; display: flex; gap: 16px; align-items: flex-start; }
.note-banner svg { width: 26px; height: 26px; fill: var(--green-600); flex: 0 0 26px; margin-top: 2px; }
.note-banner h4 { margin-bottom: 4px; }
.note-banner p { color: var(--body); font-size: .96rem; }

.fact-list { display: grid; gap: 12px; margin-top: 8px; }
.fact-list li { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.fact-list .dot { flex: 0 0 9px; width: 9px; height: 9px; border-radius: 50%; background: var(--green-500); margin-top: 9px; }

.metric-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.metric { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; text-align: center; }
.metric .big { font-family: var(--head); font-weight: 800; font-size: 2.2rem; color: var(--green-600); }
.metric .sub { color: var(--muted); font-size: .92rem; margin-top: 6px; }

.benefit { display: flex; gap: 16px; align-items: flex-start; background:#fff; border:1px solid var(--line);
  border-radius: var(--radius); padding: 24px; transition:.25s; height:100%; }
.benefit:hover { box-shadow: var(--shadow-sm); border-color: var(--green-300); }
.benefit .b-num { flex:0 0 46px; width:46px; height:46px; border-radius:12px; background:var(--green-600); color:#fff;
  display:grid; place-items:center; font-family:var(--head); font-weight:700; }
.benefit h4 { font-size:1.08rem; margin-bottom:5px; }
.benefit p { color:var(--muted); font-size:.93rem; }

/* ----------  Reveal animation  ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .grid-3, .grid-4, .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; inset: 76px 0 auto 0; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line); padding: 14px 18px 24px; gap: 2px;
    box-shadow: var(--shadow); transform: translateY(-130%); transition: transform .3s ease; max-height: calc(100vh - 76px); overflow-y: auto;
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu > li > a { padding: 13px 14px; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0;
    padding: 2px 0 6px 12px; min-width: auto; }
  .has-drop:hover .caret { transform: none; }
  .nav-actions .btn { display: none; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .stat:nth-child(2) { border-right: 0; }
}
@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .grid-3, .grid-4, .grid-2, .metric-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; padding: 26px 12px; }
  .hero-inner { padding: 76px 0 90px; }
}