:root{
 --petrol:#004F56;--deep:#073E44;--aqua:#5CAAA8;--ice:#E8F1EF;
 --ivory:#F7F4EE;--sand:#DED7CC;--ink:#16383C;--muted:#667779;
 --line:#DCE2DF;--white:#fff
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ivory);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.55}
img{max-width:100%;display:block}a{text-decoration:none;color:inherit}.wrap{width:min(1200px,calc(100% - 44px));margin:auto}
header{position:sticky;top:0;z-index:50;background:rgba(247,244,238,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{height:82px;display:flex;align-items:center;gap:24px}.brand img{width:265px}.menu{margin-left:auto;display:flex;align-items:center;gap:21px;font-size:11px;font-weight:700;letter-spacing:.08em}.menu a:hover{color:var(--aqua)}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--petrol);border-radius:999px;padding:13px 21px;font-size:11px;font-weight:700;letter-spacing:.08em}.btn.fill{background:var(--petrol);color:#fff}.btn.light{border-color:#fff;color:#fff}
.hero{min-height:680px;color:#fff;background:var(--deep);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;min-height:680px;align-items:center}.hero-copy{padding:76px 0;position:relative;z-index:2}.eyebrow{font-size:11px;letter-spacing:.23em;text-transform:uppercase;font-weight:700;margin-bottom:16px}
h1,h2{font-family:Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:-.035em}h1{font-size:72px;line-height:.98;margin:0 0 24px}h2{font-size:48px;line-height:1.05;margin:0 0 20px}h3{font-size:20px;margin:0 0 10px}
.lead{font-size:19px;max-width:680px}.hero-copy .lead{color:#E5EFED}.actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-art{height:100%;min-height:680px;background:url('assets/collvena-hero-collagen.png') center/cover no-repeat;position:relative}
.hero-art:after{content:none}
.trust{background:#fff;border-bottom:1px solid var(--line)}.trustgrid{display:grid;grid-template-columns:repeat(4,1fr)}.trustitem{padding:27px 25px;border-right:1px solid var(--line)}.trustitem:last-child{border:0}.trustitem b{display:block;font-size:12px;letter-spacing:.04em}.trustitem span{font-size:12px;color:var(--muted)}
section.block{padding:94px 0}.white{background:#fff}.deep{background:var(--deep);color:#fff}.sectionhead{display:flex;justify-content:space-between;align-items:end;gap:42px;margin-bottom:42px}.sectionhead p{max-width:560px;color:var(--muted)}.deep .sectionhead p{color:#D7E6E3}.kicker{font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--petrol);margin-bottom:12px}.deep .kicker{color:#B8D8D2}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}.visual{height:245px;background:var(--ice)}.visual img{width:100%;height:100%;object-fit:cover}.body{padding:27px}.body p{color:var(--muted)}
.producttag{display:inline-block;background:var(--ice);color:var(--petrol);font-size:10px;font-weight:700;letter-spacing:.12em;padding:7px 10px;border-radius:999px;margin-bottom:14px}
.productbox{border:1px solid var(--line);border-radius:16px;padding:26px;background:#fff}.productbox h3{font-size:25px;color:var(--deep)}.spec{margin:17px 0 0;padding:0;list-style:none}.spec li{border-top:1px solid var(--line);padding:10px 0;font-size:13px;display:flex;justify-content:space-between;gap:16px}.spec span{color:var(--muted);text-align:right}
.apps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.app{border:1px solid var(--line);border-radius:15px;padding:23px;background:#fff;min-height:175px}.num{font-family:Georgia,serif;font-size:35px;color:var(--aqua)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px}.deep .panel{color:var(--ink)}
.check{list-style:none;padding:0;margin:18px 0}.check li{position:relative;padding:7px 0 7px 23px}.check li:before{content:"✓";position:absolute;left:0;color:var(--aqua);font-weight:bold}
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:11px}.step{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px;min-height:185px}.step b{color:var(--petrol);font-size:11px;letter-spacing:.08em}.step p{font-size:13px;color:var(--muted)}
.docs{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.doc{padding:17px 21px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px}.doc:last-child{border:0}.doc small{color:var(--muted)}
form{display:grid;gap:13px}input,select,textarea{font:inherit;padding:14px;border:1px solid var(--line);border-radius:9px;background:#fff}textarea{min-height:125px}
.note{padding:17px 19px;border-left:3px solid var(--petrol);background:var(--ice);color:var(--muted);border-radius:8px;font-size:13px}
footer{padding:48px 0;background:#062F34;color:#D9E7E4}.footergrid{display:flex;justify-content:space-between;gap:40px}.footergrid img{width:250px;filter:brightness(0) invert(1)}
@media(max-width:1000px){.menu a:not(.cta){display:none}.hero-grid,.split{grid-template-columns:1fr}.hero-art{min-height:400px}.trustgrid,.grid4,.apps,.process{grid-template-columns:repeat(2,1fr)}.grid3{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.wrap{width:min(100% - 28px,1200px)}.brand img{width:205px}.nav{height:72px}.menu{gap:8px}.menu .btn{padding:10px 13px}h1{font-size:47px}h2{font-size:37px}.hero,.hero-grid{min-height:auto}.hero-copy{padding:60px 0}.hero-art{min-height:330px}.grid2,.grid3,.grid4,.apps,.process,.trustgrid{grid-template-columns:1fr}.sectionhead{display:block}section.block{padding:65px 0}.footergrid{display:block}}
/* High-resolution visual assets added without changing the approved page structure */
.company-visual-placeholder{height:180px;border:1px dashed var(--line);border-radius:14px;background:linear-gradient(135deg,#fbfaf7,#f3f1ec);margin-bottom:22px}
.app{padding:0;overflow:hidden}.appimg{width:100%;height:118px;object-fit:cover;display:block}.appbody{padding:18px 20px 22px}.appbody .num{font-size:29px}.appbody h3{margin-top:4px}
.visual-panel{padding:0;overflow:hidden}.visual-panel img{display:block;width:100%;height:100%;min-height:360px;object-fit:cover}
.process-visual{height:330px;border-radius:18px;overflow:hidden;margin-bottom:22px;border:1px solid var(--line)}.process-visual img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:650px){.appimg{height:190px}.process-visual{height:240px}.company-visual-placeholder{height:120px}}

/* Corporate contact information */
.contact-details{margin-top:28px;padding-top:22px;border-top:1px solid rgba(255,255,255,.22);max-width:590px}.contact-details p{margin:0 0 14px;color:#E5EFED}.contact-details a{color:#fff}.contact-details b{color:#fff}
.footergrid{display:grid;grid-template-columns:1.05fr 1fr 1.15fr;align-items:start}.footergrid p{font-size:13px;color:#BFD2CF}.footer-contact span,.footer-contact b{color:#fff}.footer-contact a{color:#D9E7E4}.group-line{margin-top:22px!important;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:12px!important;letter-spacing:.05em;color:#fff!important}
@media(max-width:900px){.footergrid{grid-template-columns:1fr 1fr}.footer-contact{grid-column:1/-1}}
@media(max-width:650px){.footergrid{display:block}.footergrid>div{margin-bottom:28px}.footer-contact{margin-bottom:0}}


/* FI Europe 2026 popup */
.fair-popup{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(0,42,48,.66);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);transition:.25s ease}
.fair-popup.is-hidden{opacity:0;visibility:hidden;pointer-events:none}
.fair-popup-card{position:relative;width:min(560px,92vw);padding:52px 48px 44px;background:#f7f5ef;color:#073f46;text-align:center;box-shadow:0 28px 80px rgba(0,0,0,.28);border-radius:0 52px 0 52px;border:1px solid rgba(7,79,86,.14)}
.fair-popup-close{position:absolute;right:18px;top:14px;border:0;background:transparent;color:#07535a;font:300 34px/1 Arial;cursor:pointer;padding:4px 9px}
.fair-popup-kicker{font-size:12px;letter-spacing:.22em;font-weight:700;margin-bottom:14px}
.fair-popup-title{font-size:clamp(34px,6vw,56px);line-height:.98;font-weight:800;letter-spacing:-.035em}
.fair-popup-rule{width:54px;height:2px;background:#07535a;margin:23px auto}
.fair-popup-date{font-size:15px;letter-spacing:.08em;font-weight:600}
.fair-popup-booth{margin-top:18px;font-size:19px;letter-spacing:.12em}
.fair-popup-booth strong{font-size:25px}
.fair-popup-brand{margin-top:24px;font-size:13px;font-weight:800;letter-spacing:.32em}
.fair-popup-cta{display:inline-block;margin-top:27px;padding:13px 24px;border-radius:999px;background:#07535a;color:#fff;text-decoration:none;font-size:12px;font-weight:700;letter-spacing:.08em}
@media(max-width:600px){.fair-popup-card{padding:45px 24px 36px;border-radius:0 38px 0 38px}.fair-popup-date{font-size:12px}.fair-popup-booth{font-size:16px}}

.site-alert{max-width:1180px;margin:18px auto;padding:14px 18px;background:#f7f5ef;color:#004f56;border:1px solid #d9d3c9;border-radius:8px}