:root {
  --ink: #102933;
  --muted: #62757e;
  --line: #dbe7e8;
  --soft: #f2f8f7;
  --teal: #08796f;
  --teal-dark: #055a54;
  --cyan: #28a9bd;
  --navy: #082b3a;
  --white: #ffffff;
  --container: 1180px;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(7, 55, 64, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(40, 169, 189, .65);
  outline-offset: 4px;
}
img { display: block; max-width: 100%; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(219, 231, 232, .8);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(16px);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: 14px; color: white; font-weight: 900; letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--teal), var(--cyan));
  box-shadow: 0 10px 25px rgba(8, 121, 111, .24);
}
.brand-copy { display: grid; line-height: 1.2; }
.brand-copy strong { font-size: 16px; }
.brand-copy small { color: var(--muted); font-size: 12px; margin-top: 3px; }
.desktop-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 700; }
.desktop-nav a { transition: color .2s ease; }
.desktop-nav a:hover { color: var(--teal); }
.nav-contact { padding: 10px 17px; border-radius: 999px; color: white !important; background: var(--teal); }
.lang-button {
  min-width: 54px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--teal-dark); background: white; font: inherit; font-size: 13px; font-weight: 900; cursor: pointer;
}
.lang-button:hover { border-color: var(--teal); background: var(--soft); }
.mobile-actions { display: none; align-items: center; gap: 7px; }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { list-style: none; cursor: pointer; padding: 10px; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--ink); }
.mobile-nav > div {
  position: absolute; right: 0; top: 50px; width: 210px; padding: 10px;
  border: 1px solid var(--line); border-radius: 18px; background: white; box-shadow: var(--shadow);
}
.mobile-nav a { display: block; padding: 11px 12px; border-radius: 10px; font-weight: 700; }
.mobile-nav a:hover { background: var(--soft); color: var(--teal); }

.hero { min-height: 700px; position: relative; display: flex; align-items: center; overflow: hidden; color: white; }
.hero-image { position: absolute; inset: 0; background: url('/assets/hero-plant.jpg') center / cover no-repeat; transform: scale(1.02); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3, 32, 44, .95) 0%, rgba(3, 32, 44, .79) 50%, rgba(3, 32, 44, .24) 100%); }
.hero-content { position: relative; padding: 110px 0 90px; }
.eyebrow, .kicker { margin: 0; color: var(--teal); font-size: 12px; line-height: 1.4; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow { color: #9af2e8; }
.hero h1 {
  max-width: 840px; margin: 20px 0 24px; font-size: clamp(48px, 6.2vw, 80px);
  line-height: .99; letter-spacing: -.055em;
}
.hero-lead { max-width: 700px; margin: 0; color: rgba(255, 255, 255, .82); font-size: 20px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; padding: 13px 23px; border-radius: 999px; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--teal); box-shadow: 0 16px 34px rgba(8, 121, 111, .3); }
.button-primary:hover { background: var(--teal-dark); }
.button-ghost { border: 1px solid rgba(255,255,255,.38); background: rgba(255,255,255,.1); }
.button-ghost:hover { background: rgba(255,255,255,.17); }

.trust-strip { background: var(--navy); color: white; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.trust-grid div { padding: 24px 30px; border-right: 1px solid rgba(255,255,255,.12); }
.trust-grid div:first-child { padding-left: 0; }
.trust-grid div:last-child { border-right: 0; }
.trust-grid strong, .trust-grid span { display: block; }
.trust-grid strong { font-size: 15px; }
.trust-grid span { margin-top: 5px; color: rgba(255,255,255,.62); font-size: 13px; }

.section { padding: 100px 0; }
.section-soft { background: var(--soft); }
.section-deep {
  color: var(--ink);
  background: #f7fafb;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-copy h2, .section-heading h2, .contact-section h2 {
  margin: 14px 0 22px; font-size: clamp(34px, 4.2vw, 56px); line-height: 1.08; letter-spacing: -.045em;
}
.section-copy > p:not(.kicker):not(.company-cn), .section-heading > p { color: var(--muted); font-size: 17px; }
.about-grid, .microbial-grid, .rd-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 68px; }
.company-cn { display: inline-flex; margin: 18px 0 0; padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--teal-dark); font-weight: 800; background: var(--soft); }
.photo-card { margin: 0; overflow: hidden; border-radius: var(--radius); background: white; box-shadow: var(--shadow); }
.photo-card img { width: 100%; height: 430px; object-fit: cover; }
.photo-card figcaption { padding: 16px 20px; color: var(--muted); font-size: 13px; }

.section-heading { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: end; margin-bottom: 42px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { margin: 0 0 7px; }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.product-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: white; box-shadow: 0 9px 30px rgba(7, 55, 64, .05); }
.product-card.featured { border-color: rgba(8, 121, 111, .42); box-shadow: var(--shadow); }
.card-number { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 15px; color: var(--teal-dark); background: #e1f4f1; font-weight: 900; }
.product-card h3 { margin: 20px 0 12px; font-size: 24px; line-height: 1.22; letter-spacing: -.02em; }
.product-card p { margin: 0; color: var(--muted); }
.product-card ul { margin: 20px 0 0; padding-left: 19px; color: #3b555e; }
.product-card li + li { margin-top: 6px; }
.product-card li::marker { color: var(--teal); }

.microbial-section { background: #fff; }
.photo-stack { position: relative; padding: 0 32px 42px 0; }
.photo-main { width: 100%; height: 450px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.photo-note { position: absolute; left: 32px; right: 0; bottom: 0; padding: 20px 22px; border-radius: 18px; color: white; background: var(--teal-dark); box-shadow: 0 18px 40px rgba(5, 90, 84, .28); }
.photo-note strong, .photo-note span { display: block; }
.photo-note span { margin-top: 5px; color: rgba(255,255,255,.72); font-size: 13px; }
.process-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.process-list span { padding: 13px 15px; border: 1px solid var(--line); border-radius: 14px; color: var(--teal-dark); background: var(--soft); font-size: 14px; font-weight: 800; }

.section-heading.light .kicker { color: var(--teal); }
.section-heading.light > p { color: var(--muted); }
.application-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.application-card {
  min-height: 145px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: white;
  box-shadow: 0 10px 30px rgba(7, 55, 64, .06);
}
.application-card span { color: var(--teal); font-size: 12px; font-weight: 900; }
.application-card h3 { margin: 28px 0 0; color: var(--ink); font-size: 18px; line-height: 1.25; }

.rd-gallery { display: grid; gap: 16px; }
.rd-gallery img { width: 100%; border: 1px solid var(--line); border-radius: 20px; background: white; box-shadow: var(--shadow); }
.tag-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.tag-list span { padding: 9px 12px; border: 1px solid #cfe8ec; border-radius: 999px; color: #255866; background: #edf8fa; font-size: 13px; font-weight: 800; }

.contact-section { padding: 90px 0; color: white; background: linear-gradient(135deg, #08796f, #075a65); }
.contact-section .kicker { color: #b7fff4; }
.contact-section h2 { margin-bottom: 18px; }
.contact-lead { max-width: 620px; margin: 0; color: rgba(255,255,255,.72); font-size: 17px; }
.contact-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 70px; align-items: start; }
.contact-list { display: grid; gap: 12px; }
.contact-list > div { position: relative; display: grid; gap: 5px; padding: 18px 112px 18px 20px; border: 1px solid rgba(255,255,255,.18); border-radius: 18px; background: rgba(255,255,255,.1); }
.contact-list > div:last-child { padding-right: 20px; }
.contact-list span { color: rgba(255,255,255,.62); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.contact-list strong { font-size: 16px; line-height: 1.5; overflow-wrap: anywhere; user-select: text; }
.copy-button {
  position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  min-width: 76px; padding: 9px 13px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px;
  color: white; background: rgba(255,255,255,.12); font: inherit; font-size: 13px; font-weight: 800; cursor: pointer;
}
.copy-button:hover { background: rgba(255,255,255,.22); }
.copy-toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 100; transform: translate(-50%, 18px);
  padding: 11px 18px; border-radius: 999px; color: white; background: #102933;
  box-shadow: var(--shadow); font-size: 14px; font-weight: 800; opacity: 0; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.copy-toast.visible { opacity: 1; transform: translate(-50%, 0); }

.site-footer { padding: 38px 0; color: rgba(255,255,255,.8); background: #051e29; }
.footer-grid { display: flex; justify-content: space-between; gap: 28px; align-items: center; }
.footer-grid strong { color: white; }
.footer-grid p { margin: 6px 0 0; color: rgba(255,255,255,.5); font-size: 13px; }
.footer-grid > a { font-size: 14px; font-weight: 800; }

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .mobile-actions, .mobile-nav { display: flex; }
  .mobile-nav { position: relative; }
  .about-grid, .microbial-grid, .rd-grid, .section-heading, .contact-grid { grid-template-columns: 1fr; gap: 42px; }
  .application-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading { align-items: start; }
  .section-heading > p { max-width: 680px; }
}

@media (max-width: 620px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .brand-copy small { display: none; }
  .hero { min-height: 620px; }
  .hero-content { padding: 92px 0 68px; }
  .hero h1 { font-size: 43px; }
  .hero-lead { font-size: 17px; }
  .trust-grid { grid-template-columns: 1fr; padding: 8px 0; }
  .trust-grid div, .trust-grid div:first-child { padding: 16px 4px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .trust-grid div:last-child { border-bottom: 0; }
  .section { padding: 72px 0; }
  .product-grid, .process-list, .application-grid { grid-template-columns: 1fr; }
  .photo-card img, .photo-main { height: 300px; }
  .photo-stack { padding-right: 14px; }
  .photo-note { left: 14px; }
  .contact-section { padding: 72px 0; }
  .contact-list > div { padding-right: 98px; }
  .copy-button { right: 12px; min-width: 68px; }
  .footer-grid { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}