:root{--green:#1e4a2f;--green2:#4a7c2f;--leaf:#6b912e;--accent:#e22822;--light:#f6f9f6;--text:#17202a;--muted:#5a6762;--line:#dfe7e1;--shadow:0 12px 30px rgba(15,50,35,.10);--radius:18px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:#fff;line-height:1.55}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.nav{height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:31px;font-weight:800;color:var(--green);letter-spacing:-1.5px}.brand small{display:block;font-size:9px;font-weight:600;color:#4d5c54;letter-spacing:0}.nav-links{display:flex;gap:24px;align-items:center;font-size:14px}.nav-links a:hover,.nav-links a:focus{color:var(--green)}.cta{display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:12px 18px;background:var(--green);color:white;font-weight:700;border:1px solid var(--green);transition:.2s}.cta:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(13,93,59,.18)}.cta.secondary{background:white;color:var(--green)}.menu-toggle{display:none;border:0;background:none;font-size:28px;cursor:pointer}
.hero{min-height:620px;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.92) 34%,rgba(255,255,255,.45) 52%,rgba(255,255,255,0) 70%),url('../assets/images/hero-v9.jpg') 50% 50%/cover no-repeat;display:flex;align-items:center}.hero-copy{max-width:520px;padding:70px 0}.eyebrow{color:var(--green2);font-size:13px;text-transform:uppercase;letter-spacing:.12em;font-weight:800}.hero h1{font-size:clamp(38px,11vw,58px);line-height:1.02;letter-spacing:-2.2px;margin:0 0 14px}.hero .eyebrow{margin-bottom:18px}.hero h1 span{color:var(--green2)}.hero p{font-size:18px;max-width:520px;color:#3c4742;margin-bottom:26px}.proof{background:var(--green);color:#fff}.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px}.proof-item{padding:20px 18px;border-right:1px solid rgba(255,255,255,.16)}.proof-item:last-child{border-right:0}.proof-item strong{display:block}
.section{padding:16px 0}.section>.container>*:last-child{margin-bottom:0}.section-head{text-align:center;max-width:760px;margin:32px auto 64px}.section-head h2{font-size:38px;line-height:1.15;margin:8px 0}.section-head p{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 5px 18px rgba(10,60,35,.05);transition:.22s}.card:hover,.card:focus-within{transform:translateY(-5px);box-shadow:var(--shadow)}.card img{width:100%;height:190px;object-fit:cover}.card-body{padding:22px}.card h3{margin:0 0 9px;color:var(--green);font-size:20px}.card p{margin:0 0 18px;color:var(--muted);font-size:14px}.link{color:var(--green);font-weight:800;font-size:14px}.why{background:linear-gradient(90deg,var(--green) 0%,#1a4029 48%,rgba(26,64,41,.72) 65%),url('../assets/images/why-erumbio.jpg') center right/cover no-repeat;color:white}.why-inner{padding:52px 0;max-width:820px}.why h2{font-size:38px;margin:8px 0 12px}.why p{opacity:.9}.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.pill{padding:10px 13px;border:1px solid rgba(255,255,255,.25);border-radius:999px;font-size:13px}
.footer{padding:34px 0;background:#123020;color:#dbe7e1}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;align-items:start}.footer-col strong{display:block;font-size:14px;color:#fff;margin-bottom:10px}.footer-col address,.footer-col nav{display:flex;flex-direction:column;gap:6px;font-style:normal;font-size:14px}.footer-col a{color:#dbe7e1;text-decoration:none}.footer-col a:hover{text-decoration:underline}.footer-base{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#9fb8ab}.footer a{color:#fff}
.detail-hero{padding:48px 0 28px;background:var(--light)}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px}.detail-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center}.detail-grid img{width:100%;height:390px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow)}.detail-grid h1{font-size:46px;line-height:1.08;margin:8px 0 16px;color:var(--green)}.summary{font-size:18px;color:#46514c}.placeholder{border:2px dashed #b9c9bf;background:#fbfdfb;padding:26px;border-radius:14px;color:#5d6b63}.back-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.form-wrap{max-width:760px;margin:50px auto}.form-wrap .section-head{margin:0 auto 24px}.form-card{border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-weight:700;font-size:14px}.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid #cbd8d0;border-radius:9px;font:inherit}.field textarea{min-height:150px}.notice{font-size:13px;color:var(--muted)}.scope-line{max-width:820px;margin:0 auto 26px;padding-top:20px;border-top:1px solid var(--line);font-size:13.5px;line-height:1.55;color:var(--muted)}.fallback{margin-top:22px;border:1px solid var(--line);border-radius:14px;padding:20px;background:var(--light)}.fallback strong{display:block;color:var(--green);margin-bottom:6px}.fallback p{margin:0 0 12px;font-size:14px;color:var(--muted)}.fallback textarea{width:100%;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;border:1px solid var(--line);border-radius:10px;padding:12px;background:#fff}.fallback #copyBtn{margin-top:12px}.fallback #copyMsg{margin-left:12px}
@media(max-width:900px){.nav-links{position:absolute;left:0;right:0;top:88px;background:white;border-bottom:1px solid var(--line);display:none;flex-direction:column;align-items:flex-start;padding:20px 24px}.nav-links.open{display:flex}.menu-toggle{display:block}.nav .cta.header-cta{padding:10px 14px;font-size:13.5px}.cta-full{display:none}.hero{min-height:600px;background:linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.86) 52%,rgba(255,255,255,.15) 100%),url('../assets/images/hero-v9.jpg') 50% 50%/cover no-repeat}.proof-grid{grid-template-columns:1fr 1fr}.cards{grid-template-columns:1fr 1fr}.detail-grid{grid-template-columns:1fr}.detail-grid img{height:320px}}
@media(max-width:620px){.container{width:min(100% - 28px,var(--max))}.nav{height:76px}.nav-links{top:76px}.brand{font-size:27px}.hero{min-height:560px}.hero-copy{padding:52px 0}.hero p{font-size:16px}.proof-grid{grid-template-columns:1fr}.proof-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}.cards{grid-template-columns:1fr}.section{padding:16px 0}.section-head h2{font-size:31px}.card img{height:205px}.why{background:linear-gradient(rgba(30,74,47,.92),rgba(30,74,47,.92)),url('../assets/images/why-erumbio.jpg') center/cover}.why h2{font-size:32px}.detail-grid h1{font-size:36px}.detail-grid img{height:250px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr;gap:26px}}

/* ---- v2: positioning, operating model, sub-cards, catalogues ---- */
.lead{font-size:19px;color:#3c4742;max-width:820px}.alt{background:var(--light)}.center{text-align:center}
.model-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 18px}.step .n-unused{display:inline-block;font-size:12px;font-weight:800;color:var(--green2);letter-spacing:.14em;margin-bottom:10px}.step b{display:block;color:var(--green);font-size:16px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:7px}.step p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.5}
.subcards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.subcard{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff}.subcard .idx{font-size:12px;font-weight:800;color:var(--green2);letter-spacing:.12em}.subcard h3{margin:8px 0;color:var(--green);font-size:17px}.subcard p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin:20px 0}.listgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:20px 0}.listgrid span{background:#fff;padding:11px 14px;font-size:14px}@media(max-width:620px){.listgrid{grid-template-columns:repeat(2,1fr)}}@media(max-width:359px){.listgrid{grid-template-columns:1fr}}table.cat{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}table.cat th{background:var(--light);text-align:left;padding:13px 16px;color:var(--green);font-weight:800;border-bottom:1px solid var(--line);white-space:nowrap}table.cat td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top;color:#3f4c46}table.cat td:first-child{font-weight:600;color:var(--text)}table.cat tr:last-child td{border-bottom:0}table.cat em{color:var(--muted);font-style:italic}
.flow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:20px 0}.flow span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 14px;font-size:13px;font-weight:600;color:#33403a}.flow i{color:var(--green2);font-style:normal;font-weight:800}

.lead.justify{text-align:justify;text-justify:inter-word;hyphens:auto;max-width:820px;margin:0 auto}@media(max-width:620px){.lead.justify{text-align:left;hyphens:none}}.taglist{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;margin-top:16px}.tag{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;font-size:13px;color:#3f4c46}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.pillar h3{color:var(--green);margin:0 0 8px;font-size:18px}.section-label{font-size:20px;letter-spacing:.08em}.pillar p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}
#services .container{text-align:center}.cta-band{background:var(--green);color:#fff;padding:48px 0;text-align:center}.cta-band h2{font-size:34px;margin:0 0 12px;line-height:1.15}.cta-band p{opacity:.92;max-width:660px;margin:0 auto 26px}.cta-band .cta{background:#fff;color:var(--green);border-color:#fff}

.vm{display:grid;grid-template-columns:1fr 1fr;gap:22px}.vm b{display:block;margin-bottom:8px;color:var(--green);font-size:15px}.vm blockquote{margin:0;background:var(--light);border:1px solid var(--line);border-radius:16px;padding:26px;font-size:16px;color:#33403a;line-height:1.6}.vm blockquote b{display:block;color:var(--green);font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
@media(max-width:900px){.model-steps{grid-template-columns:1fr 1fr}.subcards{grid-template-columns:1fr 1fr}.pillars{grid-template-columns:1fr 1fr}.vm{grid-template-columns:1fr}}
@media(max-width:620px){.model-steps{grid-template-columns:1fr}.subcards{grid-template-columns:1fr}.pillars{grid-template-columns:1fr}.cta-band h2{font-size:28px}.lead{font-size:17px}}

/* ---- brand logo lockup + footer mark ---- */
.brand{display:flex;align-items:center;letter-spacing:normal}
.brand img{height:60px;width:auto;display:block}
.footer-brand{display:flex;align-items:center;gap:13px}
.footer-brand img{height:40px;width:auto;flex:none}
.footer-brand strong{display:block;font-size:17px;color:#fff;line-height:1.2}
.footer-brand small{display:block;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--leaf);margin-top:3px}
@media(max-width:900px){.brand img{height:52px}}
@media(max-width:620px){.brand img{height:42px}.footer-brand img{height:38px}}

/* ---- nav active state + academic fieldset ---- */
.nav-links a.active{color:var(--green);font-weight:700}
fieldset.academic{border:1px solid var(--line);border-radius:14px;padding:20px 22px 24px;margin:22px 0 0;background:var(--light)}
fieldset.academic legend{padding:0 10px;font-weight:800;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--green)}
fieldset.academic[hidden]{display:none}
.hero .back-actions{margin-top:6px}
.section-head h2,.cta-band h2{text-wrap:balance}
.section-head h2 .sep{color:var(--leaf);font-weight:400;padding:0 .12em}
.step{position:relative}
.step::before{content:"";display:block;width:26px;height:3px;border-radius:2px;background:var(--leaf);margin-bottom:14px}
.section-head h2.eyebrow{font-size:20px;line-height:1.25;letter-spacing:.08em;margin:0 0 4px}@media(max-width:620px){}
.section-head h1{font-size:38px;line-height:1.15;margin:8px 0}
.hero .eyebrow{color:var(--green)}

/* ---- header CTA: visible on every screen size ---- */
.nav .cta.header-cta{white-space:nowrap;flex:none}
@media(max-width:620px){
  .brand img{height:36px}
  .nav .cta.header-cta{padding:9px 12px;font-size:13px}
  .nav{gap:10px}
  .menu-toggle{font-size:26px;padding:0}
}

/* ---- hero: Nature · Science · Solution lockup ---- */
.hero-copy{max-width:620px}
h1.hero-tag{display:flex;align-items:center;flex-wrap:wrap;gap:.30em;
  font-size:clamp(30px,4.4vw,52px);line-height:1.08;letter-spacing:-1.2px;margin:0}
.hero-tag .t-g{color:var(--green)}
.hero-tag .t-d{color:#17202a}
.hero-tag .dot{width:.20em;height:.20em;border-radius:50%;flex:none}
.hero-tag .dot-g{background:#F40A0C}
.hero-tag .dot-b{background:#0A96E7}
.hero-rule{display:block;width:78px;height:4px;border-radius:2px;background:var(--green);margin:22px 0 24px}
.hero-sub{font-size:clamp(21px,2.3vw,29px);font-weight:800;color:var(--green);margin:0 0 16px;letter-spacing:-.4px}
.hero p{font-size:17px}
@media(max-width:620px){
  .hero-rule{width:64px;margin:18px 0 20px}
  h1.hero-tag{gap:.24em}
}

/* ---- proof band with icons ---- */
.proof-item{display:flex;align-items:center;gap:14px}
.proof-ico{flex:none;width:44px;height:44px;border-radius:50%;border:1.5px solid rgba(255,255,255,.45);
  display:flex;align-items:center;justify-content:center;color:#cfe6a4}
.proof-ico svg{width:23px;height:23px}

@media(max-width:620px){.proof-ico{width:38px;height:38px}.proof-ico svg{width:20px;height:20px}}
.detail-hero h1.page-tag{font-size:clamp(28px,4vw,46px);margin:8px 0 0}
.detail-hero .hero-rule{margin:18px 0 20px}

/* ---- hero copy: give the headline room so it stays on one line ---- */
.hero-copy{max-width:820px}
.hero p{max-width:640px}
@media(max-width:900px){.hero-copy{max-width:100%}}


/* ---- 2026-09 research/content update: scope notes, source links, dense scientific content ---- */
.scope-note{border:1px solid var(--line);border-left:4px solid var(--green2);background:#fff;border-radius:12px;padding:18px 20px;margin:20px 0;color:#3f4c46;line-height:1.6}
.scope-note strong{display:block;color:var(--green);margin-bottom:5px}.scope-note p{margin:0 0 8px}.scope-note a{font-weight:700;color:var(--green)}
.enquiry-guide{max-width:920px;margin:0 0 22px}
.source-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}
.source-links a{display:flex;gap:12px;align-items:flex-start;padding:15px 16px;border:1px solid var(--line);border-radius:12px;background:#fff;text-decoration:none;color:var(--text)}
.source-links a:hover{border-color:var(--green2);transform:translateY(-1px)}
.source-links strong{min-width:92px;color:var(--green)}.source-links span{color:var(--muted);font-size:14px;line-height:1.45}
.notice{line-height:1.55}.section-head>p{max-width:860px}
@media(max-width:760px){.source-links{grid-template-columns:1fr}.source-links strong{min-width:76px}}

/* Catalogue products link directly to a scoped enquiry. */
table.cat td li a{color:var(--green);text-decoration:underline;text-underline-offset:3px}