:root {
  --ink: #12232c;
  --muted: #5b6b74;
  --line: #dbe5e2;
  --paper: #fbfcfa;
  --wash: #f1f6f3;
  --teal: #08756f;
  --teal-dark: #064f4c;
  --coral: #b95b45;
  --amber: #c28a35;
  --blue: #174f83;
  --graphite: #18262d;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(20, 34, 43, .11);
  --soft-shadow: 0 10px 28px rgba(20, 34, 43, .08);
  --lift-shadow: 0 18px 42px rgba(18,35,44,.14), 0 3px 9px rgba(18,35,44,.06);
  --image-shadow: 0 18px 28px rgba(18,35,44,.14);
  --inset-glow: inset 0 1px 0 rgba(255,255,255,.88), inset 0 -18px 34px rgba(8,117,111,.045);
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; padding-top: 122px; background: linear-gradient(180deg, #fbfcfa 0%, #f7faf8 46%, #fbfcfa 100%); color: var(--ink); line-height: 1.55; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.top-stack { position: fixed; top: 0; left: 0; right: 0; z-index: 80; background: rgba(251,252,250,.94); box-shadow: 0 12px 30px rgba(18,35,44,.08); }
.top-ticker { position: relative; overflow: hidden; background: linear-gradient(90deg, #083d3a 0%, #0a6f69 48%, #174f83 100%); border-bottom: 1px solid rgba(255,255,255,.14); color: #edfdfb; }
.top-ticker::before, .top-ticker::after { content: ""; position: absolute; top: 0; bottom: 0; z-index: 2; width: clamp(28px, 7vw, 96px); pointer-events: none; }
.top-ticker::before { left: 0; background: linear-gradient(90deg, #083d3a, rgba(8,61,58,0)); }
.top-ticker::after { right: 0; background: linear-gradient(270deg, #174f83, rgba(23,79,131,0)); }
.ticker-track { display: flex; width: max-content; align-items: center; gap: 34px; min-height: 34px; padding: 7px 0; white-space: nowrap; animation: ticker-scroll 28s linear infinite; }
.ticker-track span { position: relative; flex: 0 0 auto; font-size: 13px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; opacity: .96; }
.ticker-track span::after { content: ""; position: absolute; top: 50%; right: -20px; width: 5px; height: 5px; border-radius: 50%; background: rgba(214,247,242,.7); transform: translateY(-50%); }
.top-ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-33.333%); } }
.site-header { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 10px clamp(18px, 4vw, 56px); background: rgba(251,252,250,.92); border-bottom: 1px solid rgba(219,229,226,.86); backdrop-filter: blur(18px); }
.brand img { width: 236px; height: 64px; object-fit: contain; }
.nav { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; flex-wrap: wrap; justify-content: flex-end; }
.nav a { padding: 9px 10px; border-radius: 8px; }
.nav a:hover { color: var(--teal); background: rgba(8,117,111,.08); }
.nav-toggle { display: none; align-items: center; gap: 9px; min-height: 40px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.86); color: var(--ink); font: inherit; font-weight: 900; cursor: pointer; box-shadow: 0 8px 20px rgba(18,35,44,.06); }
.nav-toggle-icon { display: grid; gap: 3px; }
.nav-toggle-icon i { display: block; width: 16px; height: 2px; border-radius: 2px; background: var(--teal); }
.nav-toggle strong { font-size: 13px; letter-spacing: 0; text-transform: uppercase; }
.hero, .page-hero, .image-band { position: relative; overflow: hidden; display: grid; align-items: center; border-bottom: 1px solid var(--line); }
.hero { min-height: 720px; }
.hero-image, .image-band > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after, .image-band::after, .page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(251,252,250,.98) 0%, rgba(251,252,250,.9) 39%, rgba(251,252,250,.34) 68%, rgba(8,117,111,.18) 100%); }
.hero::before { content: ""; position: absolute; inset: auto 0 0 0; height: 180px; z-index: 1; background: linear-gradient(180deg, rgba(251,252,250,0), rgba(251,252,250,.98)); }
.hero-content, .image-band-content, .page-hero > div { position: relative; z-index: 2; width: min(760px, calc(100% - 36px)); margin-left: clamp(18px, 6vw, 84px); padding: 78px 0 116px; }
.page-hero { min-height: 430px; background: var(--wash); background-size: cover; background-position: center; }
.manufacturing-visual { background-image: url("/assets/backgrounds/manufacturing.png"); }
.quality-visual { background-image: url("/assets/backgrounds/quality-control.png"); }
.documentation-visual, .contact-visual { background-image: url("/assets/backgrounds/documentation.png"); }
.industries-visual, .catalog-visual { background-image: url("/assets/peptide-lab-hero.png"); }
.image-band { min-height: 500px; }
.eyebrow { margin: 0 0 12px; color: var(--coral); font-size: 13px; font-weight: 800; letter-spacing: 0; text-transform: uppercase; }
h1, h2 { margin: 0; line-height: 1.06; letter-spacing: 0; }
h1 { font-size: clamp(46px, 6vw, 88px); max-width: 860px; }
h2 { font-size: clamp(28px, 4vw, 46px); }
p { color: var(--muted); }
.hero-copy, .page-hero p, .image-band p, .lead { max-width: 620px; font-size: 20px; margin: 22px 0 0; }
.hero-actions, .detail-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 18px; border-radius: 8px; font-weight: 800; border: 1px solid transparent; cursor: pointer; font: inherit; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: linear-gradient(180deg, #0a8a82, var(--teal)); color: var(--white); box-shadow: 0 14px 28px rgba(8,117,111,.28), inset 0 1px 0 rgba(255,255,255,.22); }
.button.primary:hover { background: var(--teal-dark); }
.button.secondary { background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(246,250,248,.86)); color: var(--ink); border-color: var(--line); box-shadow: 0 10px 24px rgba(18,35,44,.08), inset 0 1px 0 rgba(255,255,255,.9); }
.hero-trust { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-trust span { padding: 9px 12px; border: 1px solid rgba(8,117,111,.18); border-radius: 8px; background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(245,250,248,.72)); color: var(--ink); font-size: 14px; font-weight: 800; box-shadow: 0 10px 24px rgba(18,35,44,.08), inset 0 1px 0 rgba(255,255,255,.9); }
.stats-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #294048; border-top: 1px solid rgba(255,255,255,.08); }
.stats-band div { background: linear-gradient(135deg, #1a2b33, #203d44); color: var(--white); padding: 30px clamp(18px, 5vw, 64px); }
.stats-band strong { display: block; font-size: 36px; line-height: 1; color: #ffffff; }
.stats-band span { display: block; margin-top: 8px; color: #c8d7d3; }
.section { padding: clamp(58px, 8vw, 104px) clamp(18px, 5vw, 72px); }
.section.muted { background: var(--wash); }
.section-heading { max-width: 800px; margin-bottom: 34px; }
.section-heading p { font-size: 18px; }
.proof-section { background: var(--white); }
.product-card-grid, .related-grid, .info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.product-card, .related-link, .info-card { position: relative; min-height: 112px; display: flex; flex-direction: column; gap: 10px; padding: 18px; border: 1px solid rgba(219,229,226,.95); border-radius: 8px; background: linear-gradient(180deg, #ffffff 0%, #fbfdfc 58%, #f4f9f7 100%); box-shadow: var(--soft-shadow), var(--inset-glow); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; overflow: hidden; }
.product-card::before, .related-link::before, .info-card::before, .product-row::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(135deg, rgba(255,255,255,.55), rgba(255,255,255,0) 42%); opacity: .72; }
.product-card > *, .related-link > *, .info-card > *, .product-row > * { position: relative; z-index: 1; }
.product-card:hover, .related-link:hover, .info-card:hover, .product-row:hover { border-color: rgba(8,117,111,.55); box-shadow: var(--lift-shadow), var(--inset-glow); transform: translateY(-3px); }
.product-card img { width: 100%; aspect-ratio: 3 / 4; object-fit: contain; background: radial-gradient(circle at 50% 34%, #ffffff 0%, #ffffff 44%, #edf6f3 100%); border-radius: 8px; border: 1px solid #edf3f1; box-shadow: inset 0 1px 0 rgba(255,255,255,.9), inset 0 -16px 30px rgba(8,117,111,.06); filter: drop-shadow(var(--image-shadow)); transform: translateZ(0); }
.product-card span, .related-link span { font-weight: 800; }
.product-card small, .related-link small { color: var(--muted); }
.info-card h2 { font-size: 24px; }
.card-kicker { width: fit-content; padding: 4px 8px; border-radius: 8px; background: rgba(8,117,111,.1); color: var(--teal); font-size: 12px; font-weight: 900; }
.check-list { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.check-list li { padding: 16px 18px; background: var(--white); border-left: 4px solid var(--teal); box-shadow: var(--soft-shadow); }
.contact-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; background: radial-gradient(circle at 15% 15%, rgba(8,117,111,.28), transparent 30%), linear-gradient(135deg, #16252c, #243841); color: var(--white); box-shadow: inset 0 1px 0 rgba(255,255,255,.08), inset 0 -28px 58px rgba(0,0,0,.14); }
.contact-band p { color: #d6e3df; }
.catalog-shell { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 28px; padding: 32px clamp(18px, 5vw, 72px) 84px; }
.filters { position: sticky; top: 146px; align-self: start; display: grid; gap: 10px; padding: 18px; background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(247,251,249,.9)); border: 1px solid rgba(219,229,226,.95); border-radius: 8px; box-shadow: var(--lift-shadow), var(--inset-glow); backdrop-filter: blur(12px); }
.filters label, .contact-form label { font-weight: 800; font-size: 14px; }
.filters input, .filters select, .contact-form input, .contact-form textarea { width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; font: inherit; color: var(--ink); background: linear-gradient(180deg, #ffffff, var(--paper)); box-shadow: inset 0 1px 2px rgba(18,35,44,.04); }
.filters input:focus, .filters select:focus, .contact-form input:focus, .contact-form textarea:focus { outline: 2px solid rgba(8,117,111,.24); border-color: var(--teal); background: #ffffff; }
.letter-index { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 8px; }
.letter-index a { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 8px; font-weight: 800; color: var(--teal); background: linear-gradient(180deg, #fff, #f4f8f6); box-shadow: 0 4px 12px rgba(18,35,44,.06), inset 0 1px 0 rgba(255,255,255,.9); }
.letter-index a:hover { background: var(--teal); color: #fff; border-color: var(--teal); }
.catalog-list { display: grid; gap: 34px; }
.letter-group { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 18px; margin-bottom: 10px; scroll-margin-top: 160px; }
.letter-group h2 { grid-column: 1 / -1; font-size: 22px; padding-bottom: 10px; border-bottom: 2px solid var(--line); }
.product-row { position: relative; border: 1px solid var(--line); border-radius: 8px; background: linear-gradient(180deg, #ffffff, #fbfdfc 58%, #f4f9f7); box-shadow: var(--soft-shadow), var(--inset-glow); transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; overflow: hidden; }
.product-row a { min-height: 100%; display: flex; flex-direction: column; gap: 10px; padding: 16px; }
.product-row img { width: 100%; aspect-ratio: 3 / 4; max-height: 260px; object-fit: contain; background: radial-gradient(circle at 50% 34%, #ffffff 0%, #ffffff 44%, #edf6f3 100%); border: 1px solid #edf3f1; border-radius: 8px; box-shadow: inset 0 1px 0 rgba(255,255,255,.9), inset 0 -16px 30px rgba(8,117,111,.06); filter: drop-shadow(var(--image-shadow)); }
.product-name { font-weight: 900; font-size: 17px; line-height: 1.28; }
.product-meta { color: var(--teal); font-size: 13px; font-weight: 800; }
.catalog-card p { display: -webkit-box; margin: 0; overflow: hidden; color: var(--muted); font-size: 14px; line-height: 1.5; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
.empty-state { padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 8px; }
.product-detail { padding: 34px clamp(18px, 5vw, 72px) 64px; background: linear-gradient(180deg, var(--wash), #fbfcfa); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--teal); font-weight: 800; }
.product-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 480px); gap: 34px; align-items: center; padding: clamp(24px, 5vw, 52px); background: linear-gradient(180deg, #ffffff, #f8fbfa); border: 1px solid rgba(219,229,226,.95); border-radius: 8px; box-shadow: 0 26px 70px rgba(18,35,44,.13), var(--inset-glow); }
.product-image-wrap { background: radial-gradient(circle at 50% 34%, #ffffff 0%, #ffffff 48%, #edf6f3 100%); border: 1px solid var(--line); border-radius: 8px; padding: 16px; box-shadow: inset 0 1px 0 rgba(255,255,255,.95), inset 0 -20px 40px rgba(8,117,111,.06), 0 18px 42px rgba(18,35,44,.12); }
.product-image-wrap img { width: 100%; max-height: 620px; object-fit: contain; filter: drop-shadow(0 20px 30px rgba(18,35,44,.16)); }
.product-info-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(280px, 420px); gap: 26px; align-items: start; }
.spec-list { margin: 0; display: grid; gap: 12px; background: linear-gradient(180deg, #ffffff, #f8fbfa); border: 1px solid var(--line); border-radius: 8px; padding: 18px; box-shadow: var(--soft-shadow), var(--inset-glow); }
.spec-list div { padding: 10px 0; border-bottom: 1px solid var(--line); }
.spec-list div:last-child { border-bottom: 0; }
.spec-list dt { color: var(--muted); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.spec-list dd { margin: 4px 0 0; font-weight: 800; overflow-wrap: anywhere; }
.contact-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(320px, 1.15fr); gap: clamp(28px, 6vw, 72px); align-items: start; }
.contact-form { display: grid; gap: 14px; padding: 22px; border: 1px solid rgba(219,229,226,.95); border-radius: 8px; background: linear-gradient(180deg, #ffffff, #f8fbfa); box-shadow: 0 24px 64px rgba(18,35,44,.12), var(--inset-glow); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.hp-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.captcha-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.captcha-row input { width: 96px; }
.form-status { margin: 0; font-weight: 800; color: var(--teal); }
.related-link img { width: 96px; height: 128px; object-fit: contain; align-self: center; }
.site-footer { display: flex; justify-content: space-between; gap: 24px; padding: 38px clamp(18px, 5vw, 72px); background: #10191f; color: var(--white); border-top: 1px solid rgba(255,255,255,.08); }
.footer-logo { width: 260px; height: 70px; object-fit: contain; background: #fff; border-radius: 8px; }
.site-footer p { color: #b9c8c4; margin: 12px 0 0; max-width: 620px; }
.site-footer div:last-child { display: flex; flex-wrap: wrap; gap: 16px; align-content: start; justify-content: flex-end; }
.site-footer a { color: #d6e3df; }
.copyright { flex-basis: 100%; margin-top: 10px; color: #8fa29d; font-size: 14px; }
.whatsapp-widget { position: fixed; right: 22px; bottom: 22px; z-index: 30; display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 18px; border-radius: 999px; background: #128c7e; color: #fff; font-weight: 900; box-shadow: 0 14px 28px rgba(0,0,0,.22); }
.whatsapp-widget:hover { background: #075e54; }
@media (max-width: 960px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .nav { justify-content: flex-start; }
  .stats-band, .catalog-shell, .product-panel, .product-info-grid, .contact-layout { grid-template-columns: 1fr; }
  .filters { position: static; }
  .product-row a { grid-template-columns: 52px minmax(0, 1fr); }
  .product-meta { grid-column: 2; text-align: left; }
}
@media (max-width: 620px) {
  body { padding-top: 102px; }
  .ticker-track { min-height: 30px; gap: 28px; padding: 5px 0; animation-duration: 24s; }
  .ticker-track span { font-size: 12px; }
  .ticker-track span::after { right: -17px; width: 4px; height: 4px; }
  .site-header { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 8px 10px; padding: 8px 14px; }
  .brand img { width: 210px; height: 56px; }
  .footer-logo { width: 230px; }
  .nav-toggle { display: inline-flex; justify-self: end; }
  .nav { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; max-height: 0; overflow: hidden; gap: 6px; padding: 0; opacity: 0; pointer-events: none; transition: max-height .22s ease, opacity .18s ease, padding .18s ease; }
  .nav-open .nav { max-height: 320px; padding: 8px 0 2px; opacity: 1; pointer-events: auto; }
  .nav a { display: flex; align-items: center; justify-content: center; min-height: 38px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,255,255,.9); font-size: 13px; font-weight: 800; text-align: center; white-space: normal; }
  .hero { min-height: 650px; }
  .hero::after, .image-band::after, .page-hero::after { background: linear-gradient(180deg, rgba(251,252,250,.95) 0%, rgba(251,252,250,.82) 62%, rgba(251,252,250,.2) 100%); }
  h1 { font-size: 44px; }
  .hero-content, .image-band-content, .page-hero > div { padding: 58px 0 84px; }
  .hero-trust span { font-size: 13px; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-band, .site-footer { flex-direction: column; align-items: flex-start; }
}

/* Research Blog */
.blog-hero{padding:90px max(6vw,24px);background:linear-gradient(120deg,#eef8f6,#f8fbff);text-align:center}.blog-hero h1{max-width:900px;margin:12px auto}.blog-hero>p:not(.eyebrow){max-width:760px;margin:0 auto 28px}.blog-categories{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding:28px 6vw}.blog-categories a{padding:10px 16px;border:1px solid #bdd9d3;border-radius:999px}.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding:40px 6vw 72px}.blog-card{padding:28px;border:1px solid #dce7e5;border-radius:18px;background:#fff;box-shadow:0 8px 30px rgba(16,53,47,.06)}.blog-card h2{font-size:1.35rem}.blog-shell{max-width:1200px;margin:auto;padding:34px 24px 80px}.breadcrumbs{font-size:.9rem;margin-bottom:35px;color:#526b67}.category-header{max-width:800px;padding:35px 0}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:60px;align-items:start}.article-body h1{font-size:clamp(2.1rem,5vw,3.5rem);line-height:1.08}.article-body h2{margin-top:42px}.article-body p,.article-body li{font-size:1.05rem;line-height:1.8}.article-meta{color:#627772}.research-notice{padding:14px 18px;border-left:4px solid #167864;background:#eef8f5}.article-sidebar{position:sticky;top:120px;display:grid;gap:14px;padding:24px;border:1px solid #dce7e5;border-radius:16px}.blog-cta{margin:48px 6vw;padding:40px;border-radius:20px;background:#103b34;color:white;text-align:center}.article-body .blog-cta{margin:50px 0}.blog-cta .button{background:#fff;color:#103b34}.article-body details{padding:16px 0;border-bottom:1px solid #dce7e5}.article-body summary{font-weight:700;cursor:pointer}.site-footer a{display:block;margin-top:8px}@media(max-width:850px){.blog-grid{grid-template-columns:1fr}.article-layout{grid-template-columns:1fr}.article-sidebar{position:static}.blog-hero{padding-top:60px}}