/* ============================================================
   TRADEROMSPAIN S.L. — Corporate site styles
   Brand: olive #4A6741 · dark olive #2E4028/#1A2E1A/#0D1A0D
          gold #8B6914 / #C4982E · Georgia (titles) + Arial (body)
   ============================================================ */

:root {
  --olive: #4A6741;
  --olive-dark: #2E4028;
  --olive-deep: #1A2E1A;
  --olive-night: #0D1A0D;
  --gold: #C4982E;
  --gold-dark: #8B6914;
  --ink: #2b2b2b;
  --grey: #6a6a6a;
  --paper: #f7f6f2;
  --white: #ffffff;
  --line: #e2e0d8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16px;
}

h1, h2, h3, h4, .serif { font-family: Georgia, 'Times New Roman', serif; }

img { max-width: 100%; }

a { color: var(--olive); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--olive-night);
  color: #cfd8c8;
  font-size: 12.5px;
  padding: 7px 0;
  letter-spacing: .3px;
}
.topbar .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; }
.topbar a { color: var(--gold); text-decoration: none; }

/* ---------- Navigation ---------- */
header.nav {
  background: var(--olive-deep);
  position: sticky; top: 0; z-index: 50;
  border-bottom: 2px solid var(--gold-dark);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; max-width: 1140px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 10px;
  background: #000; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.brand img.logo-mark { height: 30px; width: auto; display: block; flex-shrink: 0; }
.brand-name {
  font-family: Georgia, serif; color: #b9cfae; font-size: 20px;
  letter-spacing: 1.5px; line-height: 1.1;
}
.brand-name small {
  display: block; font-size: 9.5px; color: var(--gold);
  font-style: italic; letter-spacing: .4px; font-family: Georgia, serif;
}
nav.menu { display: flex; align-items: center; gap: 26px; }
nav.menu a {
  color: #dfe8d8; text-decoration: none; font-size: 14.5px; letter-spacing: .4px;
  padding: 4px 0; border-bottom: 2px solid transparent; transition: all .2s;
}
nav.menu a:hover, nav.menu a.active { color: var(--gold); border-bottom-color: var(--gold); }

.lang-switch {
  display: flex; border: 1px solid var(--gold-dark); border-radius: 6px; overflow: hidden;
}
.lang-switch button {
  background: transparent; color: #dfe8d8; border: 0; padding: 5px 12px;
  font-size: 12.5px; cursor: pointer; font-family: Arial, sans-serif; letter-spacing: .5px;
}
.lang-switch button.on { background: var(--gold-dark); color: #fff; }

.nav-toggle { display: none; background: none; border: 0; color: var(--gold); font-size: 26px; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(150deg, var(--olive-night) 0%, var(--olive-deep) 45%, var(--olive-dark) 100%);
  color: #eef2ea; padding: 92px 0 84px; position: relative; overflow: hidden;
}
.hero::after {
  content: "TRS";
  position: absolute; right: -40px; bottom: -70px;
  font-family: Georgia, serif; font-size: 340px; font-weight: bold;
  color: rgba(196,152,46,.05); line-height: 1; pointer-events: none;
}
.hero .kicker {
  color: var(--gold); letter-spacing: 4px; font-size: 12.5px;
  text-transform: uppercase; margin-bottom: 18px;
}
.hero h1 { font-size: 44px; line-height: 1.15; max-width: 760px; font-weight: normal; }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero p.lead { max-width: 640px; margin: 22px 0 34px; font-size: 17.5px; color: #c9d4c1; }
.btn {
  display: inline-block; padding: 13px 30px; border-radius: 6px; text-decoration: none;
  font-size: 15px; letter-spacing: .5px; transition: all .2s;
}
.btn-gold { background: var(--gold-dark); color: #fff; }
.btn-gold:hover { background: var(--gold); }
.btn-line { border: 1px solid var(--gold); color: var(--gold); margin-left: 12px; }
.btn-line:hover { background: rgba(196,152,46,.12); }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
section.alt { background: var(--white); }
.sec-kicker {
  color: var(--gold-dark); letter-spacing: 3.5px; font-size: 12px;
  text-transform: uppercase; margin-bottom: 10px;
}
.sec-title { font-size: 32px; color: var(--olive-dark); font-weight: normal; margin-bottom: 14px; }
.sec-sub { color: var(--grey); max-width: 720px; margin-bottom: 40px; }

/* Stats strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.stat {
  border-left: 3px solid var(--gold); padding: 6px 0 6px 18px;
}
.stat b { display: block; font-family: Georgia, serif; font-size: 34px; color: var(--gold); font-weight: normal; }
.stat span { font-size: 13.5px; color: #b9c5b0; letter-spacing: .3px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 26px; }
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: 10px;
  padding: 30px 28px; transition: box-shadow .25s, transform .25s;
}
section.alt .card { background: var(--paper); }
.card:hover { box-shadow: 0 10px 30px rgba(26,46,26,.12); transform: translateY(-3px); }
.card .icon {
  width: 46px; height: 46px; border-radius: 9px; background: var(--olive-deep);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.card h3 { color: var(--olive-dark); font-size: 19px; margin-bottom: 10px; font-weight: normal; }
.card p { font-size: 14.5px; color: var(--grey); }
.card .tag {
  display: inline-block; margin-top: 14px; font-size: 12px; color: var(--gold-dark);
  letter-spacing: 1.5px; text-transform: uppercase;
}

/* Product series blocks */
.series { margin-bottom: 46px; }
.series-head {
  display: flex; align-items: baseline; gap: 16px; border-bottom: 2px solid var(--olive);
  padding-bottom: 10px; margin-bottom: 22px;
}
.series-num { font-family: Georgia, serif; font-size: 15px; color: var(--gold-dark); letter-spacing: 2px; }
.series-head h3 { font-size: 24px; color: var(--olive-dark); font-weight: normal; }
.prod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.prod {
  background: var(--white); border: 1px solid var(--line); border-left: 3px solid var(--olive);
  border-radius: 7px; padding: 15px 18px;
}
.prod b { font-family: Georgia, serif; color: var(--olive-dark); font-weight: normal; font-size: 16px; display: block; }
.prod span { font-size: 13px; color: var(--grey); }
.prod .formula { color: var(--gold-dark); font-size: 12.5px; letter-spacing: .5px; }

/* Bio band */
.bio-band {
  background: linear-gradient(135deg, var(--olive-deep), var(--olive-dark));
  color: #e8eee3; border-radius: 14px; padding: 46px 44px; margin-top: 20px;
}
.bio-band h3 { font-size: 26px; font-weight: normal; margin-bottom: 8px; }
.bio-band h3 em { color: var(--gold); font-style: normal; }
.bio-band p { color: #c2cfba; max-width: 700px; font-size: 15px; }
.bio-cats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 28px; }
.bio-cat {
  border: 1px solid rgba(196,152,46,.4); border-radius: 9px; padding: 18px 20px;
}
.bio-cat b { color: var(--gold); font-family: Georgia, serif; font-weight: normal; font-size: 16.5px; display: block; margin-bottom: 6px; }
.bio-cat span { font-size: 13px; color: #b9c5b0; }

/* Two-column ("about") */
.two-col { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
.two-col .text p { margin-bottom: 16px; color: #444; }
.panel {
  background: var(--olive-deep); color: #dfe8d8; border-radius: 12px; padding: 34px 32px;
}
.panel h4 { color: var(--gold); font-size: 17px; font-weight: normal; margin-bottom: 14px; letter-spacing: 1px; }
.panel ul { list-style: none; }
.panel li {
  padding: 9px 0 9px 26px; position: relative; font-size: 14.5px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.panel li:last-child { border-bottom: 0; }
.panel li::before { content: "◆"; position: absolute; left: 0; color: var(--gold-dark); font-size: 11px; top: 12px; }

/* Quote band */
.quote-band {
  background: var(--olive-night); color: #eef2ea; text-align: center; padding: 64px 0;
}
.quote-band blockquote { font-family: Georgia, serif; font-size: 26px; max-width: 820px; margin: 0 auto; line-height: 1.4; }
.quote-band blockquote em { color: var(--gold); font-style: normal; }
.quote-band cite { display: block; margin-top: 16px; color: var(--gold-dark); font-size: 13.5px; letter-spacing: 2px; font-style: normal; text-transform: uppercase; }

/* Markets */
.markets { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.market {
  background: var(--white); border: 1px solid var(--line); border-radius: 8px;
  padding: 18px; text-align: center;
}
.market b { font-family: Georgia, serif; color: var(--olive-dark); font-weight: normal; display: block; font-size: 16px; }
.market span { font-size: 12px; color: var(--gold-dark); letter-spacing: 1px; text-transform: uppercase; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 26px; }
.office {
  background: var(--white); border: 1px solid var(--line); border-top: 4px solid var(--olive);
  border-radius: 10px; padding: 30px 28px;
}
.office.gold { border-top-color: var(--gold); }
.office h3 { color: var(--olive-dark); font-size: 18px; font-weight: normal; letter-spacing: .5px; margin-bottom: 6px; }
.office .role { font-size: 12px; color: var(--gold-dark); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 16px; }
.office p { font-size: 14.5px; color: #444; margin-bottom: 8px; }
.office a { text-decoration: none; }

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--olive-dark), var(--olive-deep));
  border-radius: 14px; color: #eef2ea; padding: 52px 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
.cta h3 { font-size: 26px; font-weight: normal; }
.cta p { color: #c2cfba; margin-top: 6px; }

/* Footer */
footer {
  background: var(--olive-night); color: #9fae96; padding: 54px 0 30px;
  font-size: 13.5px; border-top: 3px solid var(--gold-dark);
}
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
footer h5 { color: var(--gold); font-size: 12.5px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px; font-family: Arial, sans-serif; }
footer p { margin-bottom: 6px; }
footer a { color: #c2cfba; text-decoration: none; }
footer a:hover { color: var(--gold); }
.foot-brand { font-family: Georgia, serif; color: #b9cfae; font-size: 19px; letter-spacing: 1.5px; }
.foot-tag { color: var(--gold-dark); font-style: italic; font-size: 12.5px; margin: 6px 0 14px; }
.foot-bottom {
  border-top: 1px solid rgba(255,255,255,.09); padding-top: 20px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 12px; color: #6f7f66;
}

/* Page hero (interior pages) */
.page-hero {
  background: linear-gradient(140deg, var(--olive-night), var(--olive-dark));
  color: #eef2ea; padding: 58px 0 50px;
}
.page-hero h1 { font-size: 36px; font-weight: normal; }
.page-hero h1 em { color: var(--gold); font-style: normal; }
.page-hero p { color: #c2cfba; margin-top: 10px; max-width: 700px; }

.note {
  background: #fbf7ec; border: 1px solid #e6d9b8; border-left: 4px solid var(--gold);
  border-radius: 7px; padding: 16px 20px; font-size: 14px; color: #5c5232; margin-top: 34px;
}

/* ============================================================
   CATALOG THEME — replicates the TRS mineral catalog (v4) and
   HUMX bio design: dark olive panels, gold serif, watermark
   letters, "riquezas" spec tables, product chips.
   ============================================================ */

/* Gold gradient top bar (catalog cover) */
.gold-bar { height: 7px; background: linear-gradient(90deg, #8B6914, #C4982E 40%, #e7c766 55%, #C4982E 70%, #8B6914); }

/* Catalog cover hero */
.cat-cover { background: var(--olive-dark); color: #fff; display: grid; grid-template-columns: 1.25fr 1fr; overflow: hidden; }
.cat-cover-left { padding: 70px 56px 64px; position: relative; background: linear-gradient(160deg, var(--olive-dark), var(--olive-deep)); }
.cat-cover-left .kicker { color: var(--gold); letter-spacing: 4px; font-size: 11.5px; text-transform: uppercase; margin-bottom: 26px; }
.cat-title { font-family: Georgia, serif; font-size: 62px; line-height: 1.02; letter-spacing: 2px; }
.cat-title .g { color: var(--gold); }
.cat-dash { width: 46px; height: 3px; background: var(--gold); margin: 26px 0; }
.cat-cover-left p.sub { color: #cdd8c5; max-width: 420px; font-size: 15.5px; }
.cover-box { background: rgba(255,255,255,.06); border-left: 3px solid var(--gold-dark); padding: 12px 18px; margin-top: 16px; max-width: 430px; }
.cover-box b { display: block; color: var(--gold); font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase; font-weight: normal; margin-bottom: 3px; }
.cover-box span { color: #dfe8d8; font-size: 13.5px; }
.cat-cover-right { background: var(--paper); color: var(--olive-dark); padding: 64px 52px; display: flex; flex-direction: column; gap: 26px; justify-content: center; }
.big-stat b { font-family: Georgia, serif; font-size: 52px; font-weight: bold; color: var(--olive-dark); line-height: 1; display: block; }
.big-stat b.gold { color: var(--gold-dark); }
.big-stat span { letter-spacing: 3px; font-size: 11px; color: #8a8a80; text-transform: uppercase; }
.npk-circles { display: flex; gap: 14px; margin-top: 6px; }
.npk-circles i {
  width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--gold-dark);
  display: flex; align-items: center; justify-content: center;
  font-family: Georgia, serif; font-style: normal; font-size: 18px; color: var(--olive-dark);
}

/* Series divider band */
.divider {
  background: linear-gradient(160deg, var(--olive-dark) 0%, var(--olive-deep) 100%);
  color: #fff; position: relative; overflow: hidden;
  padding: 74px 0 66px; border-left: 8px solid var(--gold-dark);
}
.divider .wm {
  position: absolute; right: 2%; top: 50%; transform: translateY(-50%);
  font-family: Georgia, serif; font-weight: bold; font-size: 300px; line-height: 1;
  color: rgba(255,255,255,.045); pointer-events: none; user-select: none;
}
.divider .serie-kicker { color: var(--gold); letter-spacing: 5px; font-size: 12px; margin-bottom: 14px; }
.divider h2 { font-family: Georgia, serif; font-size: 46px; line-height: 1.05; font-weight: bold; max-width: 620px; }
.divider .cat-dash { margin: 22px 0 18px; }
.divider p { color: #c9d4c1; max-width: 560px; font-size: 15px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.chip {
  border: 1px solid rgba(255,255,255,.35); color: #dfe8d8; font-size: 12.5px;
  padding: 7px 16px; letter-spacing: .5px; background: rgba(255,255,255,.04);
}

/* Catalog product row (alternating) */
.cat-rows { display: flex; flex-direction: column; }
.cat-row { display: grid; grid-template-columns: 320px 1fr; background: var(--white); border-bottom: 1px solid var(--line); }
.cat-row:nth-child(even) { grid-template-columns: 1fr 320px; }
.cat-row:nth-child(even) .cat-visual { order: 2; }
.cat-visual {
  background: linear-gradient(165deg, var(--olive-dark), var(--olive-deep));
  color: #fff; padding: 40px 30px; position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  min-height: 250px;
}
.cat-visual .trs-wm { position: absolute; top: 14px; left: 18px; color: rgba(255,255,255,.35); letter-spacing: 3px; font-size: 9px; }
.badge {
  width: 92px; height: 92px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #d9b254, var(--gold-dark) 75%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--olive-night); box-shadow: 0 0 0 5px rgba(196,152,46,.22);
}
.badge b { font-family: Georgia, serif; font-size: 23px; line-height: 1; }
.badge span { font-size: 9.5px; letter-spacing: .8px; margin-top: 3px; text-transform: uppercase; }
.badge.ring {
  background: transparent; border: 2px solid var(--gold); color: #fff;
  box-shadow: none;
}
.badge.ring b { color: var(--gold); }
.badge.ring span { color: #cdd8c5; }
.cat-formula { font-family: Georgia, serif; color: var(--gold); letter-spacing: 4px; font-size: 15px; }
.cat-info { padding: 38px 44px; }
.cat-info .kicker { color: var(--gold-dark); letter-spacing: 3.5px; font-size: 10.5px; text-transform: uppercase; margin-bottom: 8px; }
.cat-info h3 { font-family: Georgia, serif; font-size: 27px; color: var(--olive-dark); line-height: 1.1; font-weight: bold; }
.cat-info .gold-sub { color: var(--gold-dark); font-size: 14px; margin: 7px 0 14px; font-weight: bold; }
.cat-info p.desc { font-size: 14px; color: #555; max-width: 620px; }

/* "Riquezas garantizadas" spec table */
.spec { margin-top: 18px; max-width: 560px; border: 1px solid var(--line); }
.spec .spec-head {
  background: var(--olive); color: #fff; font-size: 10.5px; letter-spacing: 2.5px;
  text-transform: uppercase; padding: 8px 14px;
}
.spec .row { display: flex; justify-content: space-between; padding: 7px 14px; font-size: 13px; border-top: 1px solid var(--line); }
.spec .row:nth-child(odd) { background: #f4f3ee; }
.spec .row b { color: var(--gold-dark); font-weight: bold; text-align: right; }

/* Uso típico cream box */
.uso {
  background: #f6f2e4; border-left: 3px solid var(--gold); padding: 12px 16px;
  margin-top: 14px; max-width: 560px; font-size: 13px; color: #4a4a42;
}
.uso b { display: block; color: var(--gold-dark); font-size: 10.5px; letter-spacing: 2.5px; text-transform: uppercase; margin-bottom: 4px; }

.cat-close { font-family: Georgia, serif; font-style: italic; color: var(--olive); font-size: 13.5px; margin-top: 14px; }

/* Succinct product enumeration (site = short list; catalog = full sheets) */
.mini-wrap { padding: 44px 0 20px; position: relative; }
.mini-wrap::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0; opacity: .45;
  background-image: url("img/hex-tile.png");
  background-size: 156px 90px;
}
.mini-wrap > .container { position: relative; z-index: 1; }
.mini-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.mini {
  background: var(--white); border: 1px solid var(--line); border-left: 3px solid var(--gold-dark);
  border-radius: 8px; padding: 18px 20px; display: flex; gap: 14px; align-items: flex-start;
  transition: box-shadow .2s, transform .2s;
}
.mini:hover { box-shadow: 0 8px 22px rgba(26,46,26,.10); transform: translateY(-2px); }
.mini .m-badge {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #d9b254, var(--gold-dark) 78%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--olive-night); text-align: center;
}
.mini .m-badge b { font-family: Georgia, serif; font-size: 14px; line-height: 1; }
.mini .m-badge span { font-size: 8px; letter-spacing: .3px; text-transform: uppercase; margin-top: 2px; }
.mini .m-body h4 { font-family: Georgia, serif; font-size: 16.5px; color: var(--olive-dark); font-weight: bold; line-height: 1.15; }
.mini .m-body .m-form { color: var(--gold-dark); font-size: 11.5px; letter-spacing: 1px; margin: 2px 0 5px; }
.mini .m-body p { font-size: 12.5px; color: #666; line-height: 1.5; }

.cat-hint {
  background: #fbf7ec; border: 1px solid #e6d9b8; border-radius: 8px;
  padding: 18px 22px; display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; margin-top: 30px;
}
.cat-hint p { font-size: 14px; color: #5c5232; }
.cat-hint b { color: var(--gold-dark); }

/* Honeycomb pattern (real tile extracted from TRS mineral catalog) */
.cat-cover-left, .cat-cover-right, .divider { position: relative; }
.honeycomb {
  position: absolute; inset: 0; pointer-events: none; opacity: .85;
  background-image: url("img/hex-tile.png");
  background-size: 156px 90px;
}
.cat-cover-right .honeycomb { opacity: .5; }
.cat-cover-left > *:not(.honeycomb), .cat-cover-right > *:not(.honeycomb), .divider .container { position: relative; z-index: 1; }

/* "A la carta" / ask-us category card */
.askus {
  background: linear-gradient(135deg, var(--olive-dark), var(--olive-deep));
  color: #eef2ea; border-radius: 12px; padding: 34px 36px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
  border-left: 6px solid var(--gold-dark);
}
.askus .honeycomb { opacity: .5; }
.askus .au-txt { position: relative; z-index: 1; max-width: 640px; }
.askus h3 { font-family: Georgia, serif; font-size: 24px; font-weight: bold; margin-bottom: 8px; }
.askus h3 em { color: var(--gold); font-style: normal; }
.askus p { color: #c9d4c1; font-size: 14.5px; }
.askus .btn { position: relative; z-index: 1; }

/* ============================================================
   LAB NOIR THEME — HUMX biostimulants catalog
   Dark emerald, glowing molecular spheres, teal-green accents
   ============================================================ */
.lab {
  --em-night: #061410;
  --em-deep: #0a2018;
  --em-mid: #103026;
  --green: #2fe08f;
  --green-soft: #3ad9a0;
  --teal: #34c9b0;
  --cyan: #46b6dc;
  --sun: #e0b34e;
  --lab-text: #cfe4d8;
  --lab-dim: #7fa593;
  background: var(--em-night);
  color: var(--lab-text);
}
.lab .topbar { background: #04100b; }
.lab header.nav { background: var(--em-deep); border-bottom-color: var(--green); }
.lab nav.menu a { color: #cfe4d8; }
.lab nav.menu a:hover, .lab nav.menu a.active { color: var(--green); border-bottom-color: var(--green); }
.lab .brand-name { color: #eafff5; }
.lab .brand-name small { color: var(--green); }
.lab .lang-switch { border-color: var(--green); }
.lab .lang-switch button.on { background: var(--green); color: #04140d; }
.lab .nav-toggle { color: var(--green); }
.lab .gold-bar { background: linear-gradient(90deg, #0a2018, var(--green) 45%, var(--cyan) 60%, #0a2018); }

/* molecular deco (reused SVG background of glowing spheres) */
.mol {
  position: absolute; pointer-events: none; opacity: .9;
}
.lab .bokeh {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
  background:
    radial-gradient(circle at 78% 22%, rgba(47,224,143,.16), transparent 26%),
    radial-gradient(circle at 88% 44%, rgba(70,182,220,.12), transparent 22%),
    radial-gradient(circle at 68% 60%, rgba(47,224,143,.10), transparent 24%);
}

/* Lab cover */
.lab-cover {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 90% at 80% 30%, #0f3226 0%, var(--em-deep) 45%, var(--em-night) 100%);
  color: #eafff5; padding: 76px 0 60px;
}
.lab-cover .container { position: relative; z-index: 2; }
.lab-cover .humx-logo { font-family: Arial, Helvetica, sans-serif; font-weight: 800; font-size: 82px; letter-spacing: 2px; line-height: 1; color: #fff; }
.lab-cover .humx-logo b { color: var(--green); font-weight: 800; }
.lab-cover .humx-sub { letter-spacing: 9px; font-size: 14px; color: var(--green); margin: 6px 0 2px; }
.lab-cover .humx-by { font-size: 13px; color: var(--lab-dim); margin-bottom: 26px; }
.lab-cover .humx-by b { color: #d8e8df; }
.lab-cover .tagline { font-family: Georgia, serif; font-style: italic; font-size: 27px; line-height: 1.3; max-width: 560px; color: #eafff5; }
.lab-cover .tagline em { color: var(--green); font-style: italic; }
.lab-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.lab-pill {
  border: 1px solid rgba(47,224,143,.5); color: var(--green-soft); border-radius: 40px;
  font-size: 12px; letter-spacing: 2px; padding: 7px 18px; background: rgba(47,224,143,.05);
}
.lab-cover .lab-stat { position: absolute; right: 24px; bottom: 30px; text-align: right; z-index: 2; }
.lab-cover .lab-stat b { font-family: Georgia, serif; font-size: 30px; color: var(--green); font-weight: normal; display: block; line-height: 1; }
.lab-cover .lab-stat span { font-size: 12px; color: var(--lab-dim); }

/* Molecule illustration — full catalog panel, right side, edge blended */
.mol-hero {
  position: absolute; top: 0; right: 0; height: 100%; width: auto; max-width: 46%;
  object-fit: cover; object-position: right center; z-index: 1;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 26%);
          mask-image: linear-gradient(to right, transparent 0, #000 26%);
}
.mol-side {
  position: absolute; top: 0; right: 0; height: 100%; width: auto; max-width: 44%;
  object-fit: contain; object-position: right center; z-index: 1;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 30%);
          mask-image: linear-gradient(to right, transparent 0, #000 30%);
}

/* Lab line divider */
.lab-line {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--em-deep), var(--em-night));
  border-left: 8px solid var(--green); padding: 56px 0 50px;
}
.lab-line .container { position: relative; z-index: 2; }
.lab-line .l-kicker { color: var(--green); letter-spacing: 5px; font-size: 12px; margin-bottom: 12px; }
.lab-line h2 { font-family: Georgia, serif; font-size: 40px; font-weight: bold; color: #eafff5; line-height: 1.05; }
.lab-line h2 em { color: var(--green); font-style: normal; }
.lab-line .l-cat { color: var(--green-soft); font-family: Georgia, serif; font-size: 17px; margin-top: 6px; }
.lab-line p { color: var(--lab-dim); max-width: 540px; font-size: 14.5px; margin-top: 10px; }
.lab-line .mol-side { position: absolute; right: 5%; top: 50%; transform: translateY(-50%); z-index: 1; opacity: .95; }

/* Lab product mini cards (dark glass) */
.lab-wrap { background: var(--em-night); padding: 40px 0 18px; }
.lab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }
.lab-card {
  background: linear-gradient(160deg, rgba(24,60,46,.55), rgba(10,32,24,.55));
  border: 1px solid rgba(47,224,143,.22); border-radius: 12px; padding: 20px 22px;
  display: flex; gap: 15px; align-items: flex-start; transition: border-color .2s, transform .2s, box-shadow .2s;
}
.lab-card:hover { border-color: var(--green); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(0,0,0,.4); }
.lab-orb {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #7ff0bf, var(--green) 55%, #0f7a4e 100%);
  box-shadow: 0 0 16px rgba(47,224,143,.5); display: flex; align-items: center; justify-content: center;
  color: #04140d; font-family: Georgia, serif; font-size: 13px; font-weight: bold; text-align: center; line-height: 1;
}
.lab-orb.teal { background: radial-gradient(circle at 34% 30%, #9ff0e6, var(--teal) 55%, #0d6e5e 100%); box-shadow: 0 0 16px rgba(52,201,176,.5); }
.lab-orb.cyan { background: radial-gradient(circle at 34% 30%, #a9e4f5, var(--cyan) 55%, #12688a 100%); box-shadow: 0 0 16px rgba(70,182,220,.5); }
.lab-orb.sun  { background: radial-gradient(circle at 34% 30%, #f6dd9c, var(--sun) 55%, #9c761f 100%); box-shadow: 0 0 16px rgba(224,179,78,.5); color: #2a1e04; }
.lab-card .lc-body h4 { font-family: Georgia, serif; font-size: 16.5px; color: #eafff5; font-weight: bold; line-height: 1.15; }
.lab-card .lc-body .lc-tag { color: var(--green); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; margin: 3px 0 6px; }
.lab-card .lc-body p { font-size: 12.5px; color: var(--lab-dim); line-height: 1.5; }

/* Lab ask-us */
.lab-askus {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0f3226, var(--em-deep)); color: #eafff5;
  border-radius: 12px; padding: 34px 36px; border-left: 6px solid var(--green);
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
}
.lab-askus .au-txt { position: relative; z-index: 2; max-width: 640px; }
.lab-askus h3 { font-family: Georgia, serif; font-size: 24px; font-weight: bold; margin-bottom: 8px; }
.lab-askus h3 em { color: var(--green); font-style: normal; }
.lab-askus p { color: var(--lab-dim); font-size: 14.5px; }
.lab-askus .btn { position: relative; z-index: 2; background: var(--green); color: #04140d; }
.lab-askus .btn:hover { background: var(--green-soft); }
.lab-section { background: var(--em-night); padding: 60px 0; }
.lab footer { background: #04100b; border-top-color: var(--green); }
.lab footer h5 { color: var(--green); }
.lab footer a:hover { color: var(--green); }
.lab .foot-brand { color: #eafff5; }
.lab .foot-tag { color: var(--green-soft); }

@media (max-width: 900px) {
  .lab-cover .humx-logo { font-size: 58px; }
  .lab-cover .tagline { font-size: 22px; }
  .mol-hero { display: none; }
  .lab-line .mol-side { display: none; }
  .lab-line h2 { font-size: 30px; }
  .lab-cover .lab-stat { position: static; text-align: left; margin-top: 24px; }
}

/* HUMX bio hero */
.bio-hero {
  background: linear-gradient(150deg, var(--olive-night), var(--olive-dark) 90%);
  color: #fff; padding: 78px 0 70px; position: relative; overflow: hidden;
}
.bio-hero::after {
  content: "RESX"; position: absolute; right: -30px; bottom: -60px;
  font-family: Georgia, serif; font-weight: bold; font-size: 230px;
  color: rgba(196,152,46,.06); line-height: 1; pointer-events: none;
}
.bio-hero .kicker { color: var(--gold); letter-spacing: 4px; font-size: 11.5px; text-transform: uppercase; margin-bottom: 20px; }
.bio-hero h1 { font-family: Georgia, serif; font-size: 52px; line-height: 1.05; }
.bio-hero h1 .g { color: var(--gold); }
.bio-hero p { color: #c9d4c1; max-width: 620px; margin-top: 20px; font-size: 16px; }

/* Bio category section */
.bio-sec { border-bottom: 1px solid var(--line); }
.bio-head { display: flex; align-items: baseline; gap: 18px; margin-bottom: 8px; }
.bio-num { font-family: Georgia, serif; color: var(--gold-dark); font-size: 15px; letter-spacing: 3px; }
.bio-head h2 { font-family: Georgia, serif; font-size: 32px; color: var(--olive-dark); font-weight: bold; }
.bio-sub { color: var(--gold-dark); font-size: 14.5px; margin-bottom: 16px; font-weight: bold; }
.bio-desc { color: #555; max-width: 700px; font-size: 14.5px; margin-bottom: 26px; }
.bio-prods { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.bio-prod {
  background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--gold-dark);
  padding: 24px 24px 20px;
}
.bio-prod h4 { font-family: Georgia, serif; color: var(--olive-dark); font-size: 18px; font-weight: bold; margin-bottom: 4px; }
.bio-prod .conc { color: var(--gold-dark); font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 10px; }
.bio-prod dl { font-size: 13px; color: #555; }
.bio-prod dt { color: var(--olive); font-size: 10.5px; letter-spacing: 2px; text-transform: uppercase; margin-top: 10px; }
.bio-prod dd { margin: 2px 0 0; }
.bio-tagline { font-family: Georgia, serif; font-style: italic; color: var(--olive); font-size: 13px; margin-top: 14px; border-top: 1px solid var(--line); padding-top: 10px; }

@media (max-width: 900px) {
  .cat-cover { grid-template-columns: 1fr; }
  .cat-title { font-size: 44px; }
  .cat-cover-right { padding: 40px 40px; gap: 18px; }
  .cat-row, .cat-row:nth-child(even) { grid-template-columns: 1fr; }
  .cat-row:nth-child(even) .cat-visual { order: 0; }
  .cat-visual { min-height: 190px; }
  .cat-info { padding: 28px 26px; }
  .divider .wm { font-size: 190px; }
  .divider h2 { font-size: 34px; }
  .bio-hero h1 { font-size: 38px; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero h1 { font-size: 33px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  nav.menu {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--olive-deep); flex-direction: column; gap: 0; padding: 10px 24px 18px;
    border-bottom: 2px solid var(--gold-dark);
  }
  nav.menu.open { display: flex; }
  nav.menu a { padding: 11px 0; border-bottom: 1px solid rgba(255,255,255,.08); width: 100%; }
  .nav-toggle { display: block; }
}
@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  .btn-line { margin-left: 0; margin-top: 10px; }
  .cta { padding: 36px 28px; }
}