/* Sangene Biotech — single-page editorial laboratory website */
:root{
  --navy-950:oklch(20% .035 240);
  --navy-900:oklch(28% .045 240); /* #162638 family */
  --navy-800:oklch(35% .05 240);
  --gold-600:oklch(65% .075 80);  /* #af915f family */
  --gold-700:oklch(48% .07 80);
  --gold-500:oklch(72% .09 82);
  --gold-200:oklch(88% .05 85);
  --paper:oklch(96% .015 90);
  --paper-deep:oklch(92% .022 95);
  --ink:oklch(27% .035 240);
  --muted:oklch(48% .025 240);
  --line:oklch(84% .02 90);
  --leaf:oklch(60% .12 130);
  --error:oklch(55% .17 28);
  --success:oklch(48% .11 150);
  --display:'Marcellus',Georgia,serif;
  --sans:'Noto Sans',Arial,sans-serif;
  --header-h:90px;
  --shell:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px)}
body{font-family:var(--sans);font-size:16px;line-height:1.7;color:var(--ink);background:var(--paper);overflow-x:hidden;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button,summary,a{ -webkit-tap-highlight-color:transparent }
button{cursor:pointer}
address{font-style:normal}
::selection{background:var(--gold-600);color:var(--navy-950)}
:focus-visible{outline:3px solid var(--gold-500);outline-offset:4px}
.shell{width:min(var(--shell),calc(100% - 40px));margin-inline:auto}
.section{padding:88px 0}
.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:var(--paper);color:var(--navy-900);padding:12px 18px;border:2px solid var(--gold-600)}
.skip-link:focus{top:12px}
h1,h2,h3,h4{font-family:var(--display);font-weight:400;line-height:1.12}
h2{font-size:clamp(2.35rem,7vw,4.7rem);letter-spacing:-.035em}
h2 em,h1 em{font-style:normal;color:var(--gold-600)}
.prose{max-width:75ch}
.prose p{margin-bottom:18px}
.prose h4{font-family:var(--sans);font-size:1rem;font-weight:700;line-height:1.45;margin:30px 0 10px;color:var(--navy-900)}
.prose ul{margin:8px 0 24px;list-style:none}
.prose li{position:relative;padding-left:20px;margin:7px 0}
.prose li::before{content:'—';position:absolute;left:0;color:var(--gold-600)}
.prose a.inline-link{text-decoration:underline;text-decoration-color:var(--gold-600);text-underline-offset:4px;font-weight:600}
.two-col-list{display:grid;gap:0 24px}
.inline-list{display:flex;gap:32px;flex-wrap:wrap}
.section-index{font-size:.72rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:var(--gold-700);margin-bottom:20px}
.text-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-size:.88rem;font-weight:700;position:relative}
.text-link::after{content:'';position:absolute;bottom:5px;left:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.text-link:hover::after{transform:scaleX(1)}
.text-link span{transition:transform .2s var(--ease)}
.text-link:hover span{transform:translate(2px,-2px)}
.text-link.light{color:var(--paper)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:50px;padding:13px 22px;border:1px solid transparent;border-radius:0;font-size:.84rem;font-weight:700;line-height:1.3;transition:background-color .18s,color .18s,transform .18s}
.button:hover{transform:translateY(-2px)}
.button-gold{background:var(--gold-600);color:var(--navy-950)}
.button-gold:hover{background:var(--gold-500)}
.button-navy{background:var(--navy-900);color:var(--paper);margin-top:20px}
.button-navy:hover{background:var(--navy-800)}

/* Header */
.site-header{height:var(--header-h);position:fixed;inset:0 0 auto;z-index:50;display:flex;align-items:center;gap:20px;padding:0 20px;background:color-mix(in oklab,var(--paper) 95%,transparent);border-bottom:1px solid color-mix(in oklab,var(--navy-900) 12%,transparent);backdrop-filter:blur(14px);transition:background-color .2s,box-shadow .2s}
.site-header.scrolled{box-shadow:0 8px 30px color-mix(in oklab,var(--navy-950) 10%,transparent)}
.brand{display:flex;align-items:center;gap:11px;min-height:78px;flex-shrink:0}
.brand img{width:70px;height:78px;object-fit:contain}
.brand-type{display:flex;flex-direction:column;line-height:1.15}
.brand-type strong{font-size:.85rem;letter-spacing:.055em;color:var(--navy-900)}
.brand-type small{font-size:.62rem;letter-spacing:.12em;color:var(--muted);margin-top:5px}
.desktop-nav,.header-enquiry{display:none}
.header-linkedin{display:none;width:40px;height:40px;flex:none;align-items:center;justify-content:center;border:1px solid var(--line);background:transparent;transition:border-color .18s,background-color .18s}
.header-linkedin img{width:22px;height:22px;object-fit:cover}
.header-linkedin:hover{border-color:#0a66c2;background:#fff}
.menu-toggle{margin-left:auto;width:48px;height:48px;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}
.menu-toggle span{display:block;width:26px;height:2px;background:var(--navy-900);transition:transform .2s}
.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(5px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-5px) rotate(-45deg)}
.mobile-menu{position:fixed;z-index:70;inset:0 auto 0 0;width:min(340px,88vw);background:var(--paper);padding:24px;transform:translateX(-105%);transition:transform .24s var(--ease);display:flex;flex-direction:column;overflow-y:auto;visibility:hidden}
.mobile-menu.open{transform:translateX(0);visibility:visible}
.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--line);font-family:var(--display);font-size:1.5rem}
.menu-close{width:44px;height:44px;border:1px solid var(--line);background:transparent;color:var(--navy-900);font-size:1.8rem;line-height:1}
.mobile-menu nav{display:flex;flex-direction:column;margin-top:16px}
.mobile-menu nav a{display:flex;align-items:center;justify-content:space-between;min-height:50px;border-bottom:1px solid var(--line);font-size:.92rem;font-weight:600}
.mobile-menu nav a:hover{color:var(--gold-600)}
.mobile-menu-contact{margin-top:auto;padding-top:28px;display:flex;flex-direction:column;gap:8px;font-size:.82rem;overflow-wrap:anywhere}
.mobile-menu-contact a{min-height:30px;display:flex;align-items:center}
.mobile-linkedin{gap:9px;color:#0a66c2;font-weight:600}
.mobile-linkedin img{width:20px;height:20px;flex:none}
.menu-backdrop{position:fixed;inset:0;z-index:60;background:color-mix(in oklab,var(--navy-950) 65%,transparent);opacity:0;transition:opacity .2s}
.menu-backdrop.visible{opacity:1}

/* Hero */
.hero{position:relative;min-height:100svh;background:var(--navy-900);color:var(--paper);display:flex;align-items:center;padding:calc(var(--header-h) + 64px) 0 110px;isolation:isolate;overflow:hidden}
.hero-image{position:absolute;inset:0;z-index:-3;background:linear-gradient(90deg,color-mix(in oklab,var(--navy-950) 82%,transparent),color-mix(in oklab,var(--navy-900) 55%,transparent)),url('img/Sangenebiotech1.jpg') center/cover no-repeat;opacity:.55}
.hero-noise{position:absolute;inset:0;z-index:-2;opacity:.16;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.3'/%3E%3C/svg%3E");pointer-events:none}
.hero-content{position:relative}
.hero-copy{max-width:820px}
.hero-label{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-200);margin-bottom:24px}
.hero-label span{color:var(--gold-600);margin:0 8px}
.hero h1{font-size:clamp(2.65rem,10vw,5.8rem);letter-spacing:-.045em;line-height:1.02;max-width:950px}
.hero-nowrap{display:inline-block}
.hero h1 em{color:var(--gold-500)}
.hero-intro{max-width:68ch;margin-top:28px;font-size:.96rem;line-height:1.75;color:var(--paper)}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:32px}
.hero-seal{display:none}
.hero-wordmark{margin-top:64px;display:flex;flex-direction:column;font-family:var(--display);font-size:clamp(3.1rem,14vw,10rem);line-height:.8;letter-spacing:-.06em;color:color-mix(in oklab,var(--paper) 11%,transparent);pointer-events:none;user-select:none}
.hero-wordmark span:last-child{align-self:flex-end}
.hero-scroll{display:none}

/* Contact ribbon */
.contact-ribbon{background:var(--gold-600);color:var(--navy-950);padding:30px 0}
.ribbon-grid{display:grid;gap:24px}
.ribbon-grid>div{display:flex;flex-direction:column;align-items:flex-start;font-size:.86rem;overflow-wrap:anywhere}
.ribbon-grid>div>span:first-child{font-size:.66rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;margin-bottom:6px}
.ribbon-grid strong{font-family:var(--display);font-size:1.25rem;font-weight:400}
.ribbon-grid a{font-weight:600;min-height:28px}
.ribbon-grid a:hover{text-decoration:underline;text-underline-offset:4px}

/* About */
.section-heading{margin-bottom:56px}
.split-heading{display:grid;gap:28px}
.split-heading p{max-width:48ch;font-size:1.05rem;align-self:end}
.about-grid{display:grid;gap:44px}
.editorial-image{position:relative}
.editorial-image img{width:100%;aspect-ratio:4/3;object-fit:cover}
.editorial-image figcaption{font-size:.7rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);margin-top:12px}
.about-copy h3{font-size:2rem;margin-bottom:22px}
.fact-line{display:flex;align-items:baseline;gap:20px;border-top:1px solid var(--line);padding:20px 0}
.fact-line:last-child{border-bottom:1px solid var(--line)}
.fact-line strong{font-family:var(--display);font-size:2.4rem;font-weight:400;color:var(--gold-600);min-width:92px}
.fact-line span{font-size:.85rem}
.team-block{margin-top:72px;border-top:1px solid var(--line);padding-top:32px}
.team-block h3{font-size:2rem;margin-bottom:18px}
.team-row{display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}
.team-row strong{font-family:var(--display);font-size:1.35rem;font-weight:400}
.team-row span{font-size:.78rem;color:var(--muted);text-align:right}

/* Services and accordions */
.services{padding-top:40px}
.services-heading{display:grid;gap:26px}
.services-heading .prose{font-size:.94rem}
.what-we-do{display:flex;gap:10px 22px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin-bottom:46px;font-size:.78rem;color:var(--muted)}
.what-we-do strong{color:var(--navy-900);margin-right:10px;align-self:center}
.what-we-do a{display:inline-flex;align-items:center;gap:7px;min-height:36px;color:var(--navy-900);font-weight:600;transition:color .18s}
.what-we-do a span{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border:1px solid var(--line);font-size:1rem;font-weight:400;line-height:1;transition:border-color .18s,transform .18s}
.what-we-do a:hover{color:var(--gold-700)}
.what-we-do a:hover span{border-color:var(--gold-600);transform:rotate(90deg)}
.accordion-list{border-bottom:1px solid var(--line)}
.service-item{border-top:1px solid var(--line)}
.service-item summary{list-style:none;display:grid;grid-template-columns:34px 1fr 30px;align-items:center;gap:12px;padding:24px 0;min-height:82px;cursor:pointer}
.service-item summary::-webkit-details-marker,.molecule-item summary::-webkit-details-marker{display:none}
.service-number{font-size:.68rem;color:var(--muted);font-variant-numeric:tabular-nums}
.service-name{font-family:var(--display);font-size:1.38rem;line-height:1.2}
.service-category{display:none;font-size:.74rem;color:var(--muted)}
.service-plus{position:relative;width:28px;height:28px;justify-self:end}
.service-plus::before,.service-plus::after{content:'';position:absolute;left:5px;right:5px;top:13px;height:1px;background:var(--navy-900);transition:transform .2s var(--ease)}
.service-plus::after{transform:rotate(90deg)}
.service-item[open] .service-plus::after{transform:rotate(0)}
.service-item[open] .service-name{color:var(--gold-600)}
.service-item summary:hover .service-name{color:var(--gold-600)}
.service-detail{display:grid;gap:30px;padding:8px 0 48px}
.service-detail figure{align-self:start}
.service-detail figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.service-detail.single{max-width:980px;margin-inline:auto}
.service-detail .prose{font-size:.94rem}
.service-detail .prose h4:first-child{margin-top:0}

/* Molecular */
.molecular{background:var(--paper-deep)}
.molecular-intro{display:grid;gap:42px;margin-bottom:58px}
.molecular-title h2{margin-bottom:36px}
.molecular-title figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.molecular-copy{font-size:1rem;align-self:center}
.molecular-grid{display:grid;border-top:1px solid var(--line)}
.molecule-item{border-bottom:1px solid var(--line)}
.molecule-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:96px;padding:16px 0;font-family:var(--display);font-size:1.4rem}
.molecule-summary{display:flex;align-items:center;gap:15px;min-width:0}
.molecule-thumb{display:block;width:80px;height:62px;flex:none;overflow:hidden;background:var(--navy-900)}
.molecule-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease)}
.molecule-item summary:hover .molecule-thumb img{transform:scale(1.05)}
.molecule-item summary>.molecule-plus{font-family:var(--sans);font-size:1.5rem;transition:transform .2s}
.molecule-item[open] summary>.molecule-plus{transform:rotate(45deg)}
.molecule-item[open] summary{color:var(--gold-600)}
.molecule-item .prose{padding:2px 0 30px;font-size:.92rem}

/* Plant science */
.plant-grid{display:grid;gap:72px}
.plant-article h2{margin-bottom:32px}
.plant-article figure{margin-bottom:34px}
.plant-article figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.bioinfo-article{display:grid;gap:28px;align-content:start;border-top:1px solid var(--line);padding-top:32px}
.bioinfo-image img{width:100%;aspect-ratio:16/9;object-fit:cover}
.bioinfo-article h2{font-size:clamp(2.2rem,7vw,4rem)}
.bioinfo-subtitle{font-family:var(--display);font-size:1.35rem;margin-top:18px;color:var(--gold-700)}
.bioinfo-copy{margin-top:22px;font-size:.91rem}
.bioinfo-copy p{margin-bottom:14px}
.bioinfo-list{list-style:none;margin-top:26px;border-top:1px solid var(--line)}
.bioinfo-list li{display:grid;gap:4px;padding:14px 0;border-bottom:1px solid var(--line)}
.bioinfo-list strong{font-size:.9rem;font-weight:600;color:var(--navy-900)}
.bioinfo-list span{font-size:.8rem;line-height:1.6;color:var(--muted)}
.bioinfo-article .text-link{margin-top:20px}

/* Quality */
.quality{background:var(--navy-900);color:var(--paper)}
.quality .section-index,.contact .section-index{color:var(--gold-500)}
.quality h2 em{color:var(--gold-500)}
.quality-heading{margin-bottom:60px}
.quality-grid{display:grid;gap:36px}
.quality-grid article{border-top:1px solid color-mix(in oklab,var(--paper) 25%,transparent);padding-top:22px}
.quality-grid h3{font-size:1.65rem;color:var(--gold-500);margin-bottom:18px}
.quality-grid p{font-size:.91rem;line-height:1.75}
.certification{margin-top:80px;padding-top:50px;border-top:1px solid color-mix(in oklab,var(--paper) 25%,transparent);display:grid;gap:40px;align-items:center}
.certificate-copy h3{font-size:clamp(2.1rem,6vw,3.5rem);margin-bottom:18px}
.certificate-copy>p:not(.section-index){color:var(--gold-200);margin-bottom:20px}
.certificate-image{display:block;width:100%;max-width:420px;margin-inline:auto;background:var(--paper);padding:12px;transition:transform .2s}
.certificate-image:hover{transform:translateY(-4px)}
.certificate-image img{width:100%}

/* Training */
.training-heading{display:grid;gap:24px}
.training-heading>p{max-width:42ch;align-self:end;font-size:1.05rem}
.training-stats{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-bottom:56px}
.training-stats>div{padding:24px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.training-stats strong{font-family:var(--display);font-size:2.35rem;font-weight:400;color:var(--gold-600);line-height:1}
.training-stats span{font-size:.74rem;line-height:1.55;color:var(--muted)}
.table-wrap{overflow-x:auto;margin:24px 0}
table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:300px}
th,td{text-align:left;padding:13px 14px;border:1px solid var(--line)}
th{width:38%;font-weight:700;color:var(--navy-900);background:var(--paper-deep)}

/* Course brochure */
.course-brochure{display:grid;gap:24px;margin:-14px 0 48px;padding:28px;border:1px solid var(--gold-600);background:var(--paper-deep)}
.course-brochure .section-index{margin-bottom:10px}
.course-brochure h3{font-size:clamp(1.65rem,4vw,2.25rem);margin-bottom:10px}
.course-brochure p:not(.section-index){font-size:.88rem;color:var(--muted);max-width:64ch}
.brochure-actions{display:flex;align-items:center;gap:14px 22px;flex-wrap:wrap}
.course-brochure .button{margin-top:0}

/* Animated laboratory gallery */
.gallery-section{background:var(--gold-600);color:var(--navy-950);padding:72px 0;overflow:hidden}
.gallery-grid{display:grid;gap:36px;align-items:center}
.gallery-section .section-index{color:var(--navy-800)}
.gallery-section h2{font-size:clamp(2.4rem,7vw,4.4rem);margin-bottom:20px}
.gallery-intro>p:not(.section-index){max-width:42ch}
.gallery-intro .gallery-hint{font-size:.78rem;margin-top:18px;color:var(--navy-800)}
.gallery{min-width:0;position:relative}
.gallery-stage{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--navy-950);box-shadow:0 22px 50px color-mix(in oklab,var(--navy-950) 20%,transparent)}
.gallery-slide{position:absolute;inset:0;margin:0;opacity:0;visibility:hidden;transition:opacity .85s var(--ease),visibility .85s;isolation:isolate}
.gallery-backdrop{position:absolute;inset:0;z-index:0;width:100%;height:100%;max-width:none;object-fit:cover;filter:blur(26px) brightness(.52);transform:scale(1.12);pointer-events:none}
.gallery-slide::after{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,transparent 50%,color-mix(in oklab,var(--navy-950) 88%,transparent));pointer-events:none}
.gallery-slide.is-active{opacity:1;visibility:visible;z-index:2}
.gallery-photo{position:relative;z-index:0;width:100%;height:100%;object-fit:contain;opacity:0;transform:scale(1.025);transition:opacity .45s var(--ease)}
.gallery-slide.is-loaded .gallery-photo{opacity:1}
.gallery-slide.is-active.is-loaded .gallery-photo{animation:gallery-drift 6.5s ease-out both}
.gallery-slide figcaption{position:absolute;z-index:2;left:22px;right:22px;bottom:20px;color:var(--paper);display:flex;flex-direction:column;pointer-events:none}
.gallery-slide figcaption span{font-size:.6rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--gold-200);margin-bottom:5px}
.gallery-slide figcaption strong{font-family:var(--display);font-size:clamp(1.05rem,3vw,1.55rem);font-weight:400;line-height:1.3}
.gallery-loader{position:absolute;inset:0;z-index:4;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;background:var(--navy-950);color:var(--gold-200);transition:opacity .35s,visibility .35s}
.gallery-loader span{width:34px;height:34px;border:1px solid color-mix(in oklab,var(--gold-200) 30%,transparent);border-top-color:var(--gold-500);border-radius:50%;animation:gallery-spin .8s linear infinite}
.gallery-loader small{font-size:.62rem;letter-spacing:.15em;text-transform:uppercase}
.gallery.is-loaded .gallery-loader{opacity:0;visibility:hidden;pointer-events:none}
.gallery-controls{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:18px 0 12px;color:var(--navy-950)}
.gallery-count{display:flex;align-items:baseline;gap:7px;font-variant-numeric:tabular-nums}
.gallery-count strong{font-family:var(--display);font-size:1.6rem;font-weight:400}
.gallery-count span{font-size:.68rem;color:var(--navy-800)}
.gallery-dots{grid-column:1/-1;grid-row:2;display:flex;align-items:center;justify-content:center;gap:7px}
.gallery-dots button{width:20px;height:20px;border:0;background:transparent;position:relative}
.gallery-dots button::after{content:'';position:absolute;left:5px;right:5px;top:9px;height:2px;background:color-mix(in oklab,var(--navy-950) 32%,transparent);transition:background-color .2s,transform .2s}
.gallery-dots button[aria-current="true"]::after{background:var(--navy-950);transform:scaleY(2)}
.gallery-buttons{display:flex;align-items:center;gap:8px;padding-right:52px}
.gallery-buttons button{height:40px;border:1px solid color-mix(in oklab,var(--navy-950) 45%,transparent);background:transparent;color:var(--navy-950);transition:background-color .18s,color .18s}
.gallery-buttons button:hover{background:var(--navy-950);color:var(--paper)}
.gallery-toggle{min-width:60px;padding:0 12px;font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.gallery-arrow{width:40px;font-size:1.15rem}
.gallery-progress{height:2px;background:color-mix(in oklab,var(--navy-950) 18%,transparent);overflow:hidden}
.gallery-progress span{display:block;width:100%;height:100%;background:var(--navy-950);transform:scaleX(0);transform-origin:left}
.gallery-progress.is-running span{animation:gallery-progress 5.2s linear forwards}
.careers{padding:64px 0;border-bottom:1px solid var(--line)}
.careers-inner{display:grid;gap:24px}
.careers h2{font-size:clamp(2.4rem,7vw,4.4rem)}
.careers h3{font-size:1.6rem;margin-bottom:12px}
.careers p{margin-bottom:14px}

/* Contact */
.contact{background:var(--navy-950);color:var(--paper);padding-bottom:48px}
.contact-grid{display:grid;gap:60px}
.contact h2 em{color:var(--gold-500)}
.contact-details>p:not(.section-index){margin:22px 0 36px;max-width:44ch}
.contact-details address{display:grid;gap:24px;margin-bottom:28px}
.contact-details address>div{display:flex;flex-direction:column;align-items:flex-start;overflow-wrap:anywhere}
.contact-details address span{font-size:.67rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--gold-500);margin-bottom:6px}
.contact-details address a{min-height:30px;font-size:.92rem}
.contact-details address a:hover{text-decoration:underline;text-underline-offset:4px}
.contact-details address a.contact-linkedin{min-height:0;margin-top:3px}
.contact-linkedin img{width:38px;height:38px;transition:transform .18s var(--ease)}
.contact-linkedin:hover img{transform:translateY(-2px)}
.contact-details address p{font-size:.92rem;line-height:1.7}
.form-heading{margin-bottom:26px}
.form-heading>span{font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:var(--gold-500)}
.form-heading h3{font-size:2.2rem;margin-top:8px}
.form-help{max-width:48ch;margin-top:14px;font-size:.8rem;line-height:1.65;color:var(--gold-200)}
.form-help strong{color:var(--paper);font-weight:600}
.student-enquiry-link{margin-top:12px}
.enquiry-form{display:grid;gap:18px}
.field-row{display:grid;gap:18px}
.enquiry-form label{display:grid;gap:7px;font-size:.72rem;font-weight:600;letter-spacing:.03em;color:var(--paper)}
.enquiry-form input,.enquiry-form textarea{width:100%;border:0;border-bottom:1px solid color-mix(in oklab,var(--paper) 35%,transparent);border-radius:0;background:transparent;color:var(--paper);padding:11px 0;font-size:1rem;min-height:46px;transition:border-color .18s}
.enquiry-form textarea{resize:vertical;min-height:120px}
.enquiry-form input:focus,.enquiry-form textarea:focus{outline:0;border-bottom-color:var(--gold-500)}
.enquiry-form input:user-invalid,.enquiry-form textarea:user-invalid{border-bottom-color:var(--error)}
.verification-row{display:grid;gap:12px;border-top:1px solid color-mix(in oklab,var(--paper) 18%,transparent);padding-top:18px}
.captcha-label strong{color:var(--gold-200);margin-left:5px}
.captcha-label input{max-width:120px}
.verification-row>span,.form-note{font-size:.68rem;color:var(--gold-200)}
.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.submit-button{justify-self:start;border:0;min-width:170px;margin-top:4px}
.submit-button:disabled{opacity:.6;cursor:wait;transform:none}
.submit-button i{font-style:normal}
.form-status{position:relative;padding:14px 16px;margin-bottom:22px;font-size:.85rem;border:1px solid var(--gold-600);line-height:1.6}
.form-status[hidden]{display:none}
.form-status strong{display:block;font-family:var(--display);font-size:1.25rem;font-weight:400;line-height:1.3;margin-bottom:4px}
.form-status span{display:block}
.form-status.success{border-color:var(--success);background:color-mix(in oklab,var(--success) 12%,transparent)}
.form-status.success strong{color:var(--paper)}
.form-status.error{border-color:var(--error)}
.form-status.pending{border-color:var(--gold-600)}
.map-wrap{margin-top:64px}
.map-wrap iframe{display:block;width:100%;height:360px;border:0;filter:none}
.map-actions{display:flex;justify-content:flex-end;margin-top:10px}

/* Footer */
.site-footer{background:var(--navy-900);color:var(--paper);padding:60px 0 24px}
.footer-grid{display:grid;gap:40px}
.footer-brand img{width:172px;margin-bottom:18px}
.footer-brand p{max-width:36ch;font-size:.85rem;color:var(--gold-200)}
.footer-grid h3{font-family:var(--sans);font-size:.72rem;text-transform:uppercase;letter-spacing:.15em;color:var(--gold-500);margin-bottom:18px}
.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;align-items:flex-start;gap:9px;font-size:.82rem;overflow-wrap:anywhere}
.footer-grid a{min-height:30px}
.footer-grid a:hover{color:var(--gold-500)}
.footer-bottom{border-top:1px solid color-mix(in oklab,var(--paper) 18%,transparent);margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.72rem;color:var(--gold-200)}
.footer-bottom a{min-height:32px;color:var(--paper)}

/* Optional image reveals: content is never hidden without JS */
.motion-ready .reveal-image{opacity:0;transform:translateY(18px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.motion-ready .reveal-image.is-visible{opacity:1;transform:none}

@media (min-width:640px){
  .shell{width:min(var(--shell),calc(100% - 64px))}
  .field-row{grid-template-columns:1fr 1fr}
  .two-col-list{grid-template-columns:1fr 1fr}
  .ribbon-grid{grid-template-columns:1fr 1fr}
  .ribbon-grid>div:last-child{grid-column:1/-1}
  .training-stats>div{padding:28px}
}
@media (min-width:800px){
  :root{--header-h:100px}
  .section{padding:120px 0}
  .brand img{width:82px;height:88px}
  .brand-type strong{font-size:.95rem}
  .brand-type small{font-size:.68rem}
  .hero{padding-top:calc(var(--header-h) + 80px)}
  .hero-image{left:48%;opacity:1;background:linear-gradient(90deg,var(--navy-900),transparent 45%),url('img/Sangenebiotech1.jpg') center/cover no-repeat}
  .hero::after{content:'';position:absolute;inset:0 52% 0 0;z-index:-2;background:var(--navy-900)}
  .hero-copy{max-width:68%}
  .hero h1{font-size:clamp(3.5rem,6.2vw,6rem)}
  .hero-intro{max-width:60ch}
  .hero-seal{display:block;position:absolute;right:2%;top:0;width:150px;height:150px;color:var(--gold-200)}
  .hero-seal svg{width:100%;height:100%;animation:seal-spin 18s linear infinite}
  .hero-seal text{fill:var(--gold-200);font-family:var(--sans);font-size:9px;letter-spacing:2px}
  .hero-seal>span{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:var(--display);font-size:2rem;line-height:1;color:var(--paper)}
  .hero-seal small{font-family:var(--sans);font-size:.55rem;letter-spacing:.08em;margin-top:6px}
  .hero-wordmark{margin-top:74px}
  .hero-scroll{position:absolute;right:24px;bottom:30px;display:flex;align-items:center;gap:14px;font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-200);writing-mode:vertical-rl}
  .hero-scroll i{display:block;width:1px;height:48px;background:var(--gold-600)}
  .ribbon-grid{grid-template-columns:1fr 1.35fr .8fr;gap:40px}
  .ribbon-grid>div:last-child{grid-column:auto}
  .split-heading{grid-template-columns:1.2fr .8fr;gap:80px}
  .about-grid{grid-template-columns:1fr 1fr;gap:7vw;align-items:center}
  .team-block{display:grid;grid-template-columns:1fr 1fr;column-gap:48px}
  .team-block h3{grid-column:1/-1}
  .services-heading{grid-template-columns:1fr 1fr;gap:7vw;align-items:end}
  .service-item summary{grid-template-columns:44px 1.1fr .7fr 34px;gap:20px;padding:30px 0}
  .service-name{font-size:1.8rem}
  .service-category{display:block}
  .service-detail{grid-template-columns:minmax(240px,.72fr) 1.5fr;gap:5vw;padding:16px 0 64px}
  .service-detail figure{position:sticky;top:calc(var(--header-h) + 24px)}
  .service-detail.single{display:block;max-width:960px}
  .molecular-intro{grid-template-columns:1fr 1fr;grid-template-rows:auto auto;column-gap:7vw;row-gap:36px}
  .molecular-title{display:contents}
  .molecular-title .section-index{grid-column:1;grid-row:1;margin-bottom:-16px}
  .molecular-title h2{grid-column:1;grid-row:1;margin:44px 0 0}
  .molecular-title figure{grid-column:1;grid-row:2}
  .molecular-copy{grid-column:2;grid-row:2;align-self:start}
  .molecular-grid{grid-template-columns:1fr 1fr;border-left:1px solid var(--line)}
  .molecule-item{padding:0 30px;border-right:1px solid var(--line)}
  .molecule-thumb{width:96px;height:72px}
  .plant-grid{grid-template-columns:1.15fr .85fr;gap:7vw;align-items:start}
  .bioinfo-article{position:static;align-self:start}
  .quality-grid{grid-template-columns:1.25fr 1fr 1fr;gap:42px}
  .certification{grid-template-columns:1fr .8fr;gap:8vw}
  .certificate-image{justify-self:end}
  .training-heading{grid-template-columns:1.2fr .8fr;gap:80px}
  .training-stats{grid-template-columns:repeat(4,1fr)}
  .course-brochure{grid-template-columns:1.35fr .85fr;gap:40px;align-items:center;padding:32px 36px}
  .brochure-actions{justify-content:flex-end}
  .gallery-grid{grid-template-columns:.65fr 1.35fr;gap:6vw}
  .gallery-stage{aspect-ratio:16/10}
  .gallery-controls{grid-template-columns:auto 1fr auto}
  .gallery-dots{grid-column:2;grid-row:1}
  .gallery-count{grid-column:1;grid-row:1}
  .gallery-buttons{grid-column:3;grid-row:1;padding-right:0}
  .careers-inner{grid-template-columns:1fr 1fr;gap:7vw}
  .contact-grid{grid-template-columns:.9fr 1.1fr;gap:8vw}
  .footer-grid{grid-template-columns:1.3fr .8fr 1fr;gap:60px}
}
@media (min-width:1120px){
  .site-header{padding:0 32px}
  .menu-toggle{display:none}
  .desktop-nav{display:flex;align-items:center;gap:24px;margin-left:auto}
  .desktop-nav a{position:relative;display:flex;align-items:center;min-height:44px;font-size:.75rem;font-weight:600;white-space:nowrap}
  .desktop-nav a::after{content:'';position:absolute;left:0;bottom:4px;width:100%;height:1px;background:var(--gold-600);transform:scaleX(0);transform-origin:left;transition:transform .18s}
  .desktop-nav a:hover::after,.desktop-nav a.active::after{transform:scaleX(1)}
  .desktop-nav a.active{color:var(--gold-700)}
  .header-enquiry{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 0 0 22px;border-left:1px solid var(--line);font-size:.75rem;font-weight:700;color:var(--navy-900)}
  .header-enquiry:hover{color:var(--gold-600)}
}
@media (min-width:1280px){
  .header-linkedin{display:inline-flex}
}
@media (max-width:420px){
  .brand-type strong{font-size:.76rem}
  .brand-type small{font-size:.58rem}
  .hero-actions{align-items:flex-start;flex-direction:column;gap:10px}
  .training-stats{grid-template-columns:1fr}
  .course-brochure{padding:22px}
  .brochure-actions{align-items:flex-start;flex-direction:column}
  .gallery-slide figcaption{left:16px;right:16px;bottom:14px}
}
@keyframes seal-spin{to{transform:rotate(360deg)}}
@keyframes gallery-spin{to{transform:rotate(360deg)}}
@keyframes gallery-drift{from{transform:scale(1.025)}to{transform:scale(1.065)}}
@keyframes gallery-progress{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .motion-ready .reveal-image{opacity:1;transform:none}
  .gallery-slide.is-active.is-loaded .gallery-photo{animation:none;transform:none}
  .gallery-progress{display:none}
}

/* Floating contact and dynamic page navigation */
.floating-actions{position:fixed;right:14px;bottom:max(16px,env(safe-area-inset-bottom));z-index:45;display:flex;flex-direction:column;align-items:center;gap:10px}
.floating-action{position:relative;width:48px;height:48px;border:1px solid color-mix(in oklab,var(--paper) 35%,transparent);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 5px 18px color-mix(in oklab,var(--navy-950) 24%,transparent);transition:transform .18s,background-color .18s,opacity .18s;cursor:pointer}
.floating-action svg{width:24px;height:24px;flex:none;pointer-events:none}
.linkedin-action{overflow:hidden;padding:0;background:#0a66c2}
.linkedin-action img{width:100%;height:100%;object-fit:cover;pointer-events:none}
.floating-action:hover{transform:translateY(-3px)}
.floating-action:active{transform:translateY(0) scale(.95)}
.whatsapp-action{background:#1f9d55;color:#fff}
.whatsapp-action:hover{background:#187b42}
.call-action{background:var(--gold-600);color:var(--navy-950)}
.call-action:hover{background:var(--gold-500)}
.call-control{position:relative}
.call-control.fallback-open .call-action::after{display:none}
.call-fallback{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%);width:min(260px,calc(100vw - 92px));padding:18px;background:var(--paper);color:var(--navy-950);border:1px solid var(--line);box-shadow:0 12px 34px color-mix(in oklab,var(--navy-950) 22%,transparent)}
.call-fallback[hidden]{display:none}
.call-fallback>strong{display:block;font-family:var(--display);font-size:1.15rem;font-weight:400;line-height:1.3}
.call-number{display:inline-flex;align-items:center;min-height:34px;margin:5px 0 7px;color:var(--gold-700);font-size:1.08rem;font-weight:700;white-space:nowrap}
.call-fallback p{font-size:.72rem;line-height:1.55;color:var(--muted)}
.call-fallback-actions{display:flex;align-items:center;gap:8px;margin-top:13px}
.call-fallback-actions button{min-height:38px;padding:7px 11px;border:1px solid var(--line);background:transparent;color:var(--navy-900);font-size:.7rem;font-weight:700;line-height:1.2}
.call-fallback-actions button:hover{background:var(--paper-deep)}
.call-fallback-actions .call-fallback-close{width:38px;padding:0;margin-left:auto;font-size:1.25rem;font-weight:400}
.scroll-action{background:var(--navy-900);color:var(--paper);padding:0}
.scroll-action:hover{background:var(--navy-800)}
.scroll-action[hidden]{display:none}
.floating-divider{width:24px;height:1px;background:color-mix(in oklab,var(--navy-900) 30%,transparent)}
.floating-action::after{content:attr(data-tooltip);position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%) translateX(5px);background:var(--navy-950);color:var(--paper);font-size:.7rem;font-weight:600;white-space:nowrap;padding:7px 10px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .15s,transform .15s}
@media (hover:hover) and (min-width:800px){
  .floating-action:hover::after,.floating-action:focus-visible::after{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
  .floating-actions{right:20px;bottom:24px;gap:12px}
  .floating-action{width:52px;height:52px}
}
@media (max-width:420px){.floating-actions{right:10px;gap:8px}.floating-action{width:46px;height:46px}}
@media (prefers-reduced-motion:reduce){.floating-action{transition:none}}