/* Biofactory S.p.A. — sito statico 2026 */
@font-face{font-family:"Montserrat";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/montserrat-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Montserrat";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/montserrat-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/source-sans-3-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/source-sans-3-latin-600-normal.woff2") format("woff2")}

:root{
  --green:#006632;
  --green-dark:#004d26;
  --green-deep:#0f2a1c;
  --ink:#1d2420;
  --ink-soft:#4a554f;
  --line:#dfe5e1;
  --bg:#ffffff;
  --bg-soft:#f4f6f3;
  --earth:#6b4f36;
  --radius:10px;
  --wrap:1160px;
  --head:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --body:"Source Sans 3",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:18px;line-height:1.6;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--green);text-underline-offset:3px}
a:hover{color:var(--green-dark)}
h1,h2,h3,h4{font-family:var(--head);line-height:1.2;color:var(--green-deep);margin:0 0 .6em}
h1{font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:700}
h2{font-size:clamp(1.35rem,2.4vw,1.75rem);font-weight:700;margin-top:1.8em}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
li{margin-bottom:.35em}
strong{font-weight:600}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--green);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:10px;top:10px}
:focus-visible{outline:3px solid #e0a100;outline-offset:2px}

/* Header */
.site-header{position:sticky;top:0;top:env(safe-area-inset-top,0px);z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}
.brand img{width:230px;height:auto}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font:600 15px var(--head);color:var(--green-deep);cursor:pointer}
.nav-toggle span{display:inline-block;width:18px;height:2px;background:currentColor;position:relative;vertical-align:middle;margin-right:8px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.main-nav>ul{list-style:none;margin:0;padding:0;display:flex;gap:4px}
.main-nav li{margin:0;position:relative}
.main-nav a,.main-nav .nav-label{display:block;padding:10px 14px;font:600 15px var(--head);color:var(--green-deep);text-decoration:none;border-radius:8px;letter-spacing:.01em}
.main-nav a:hover,.main-nav .nav-label:hover{background:var(--bg-soft);color:var(--green)}
.main-nav a[aria-current="page"]{color:var(--green)}
.main-nav .has-sub>.nav-label::after{content:"";display:inline-block;margin-left:7px;border:5px solid transparent;border-top-color:currentColor;transform:translateY(3px)}
.main-nav .sub{list-style:none;margin:0;padding:8px;position:absolute;left:0;top:100%;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 30px rgba(15,42,28,.12);display:none}
.main-nav .has-sub:hover>.sub,.main-nav .has-sub:focus-within>.sub{display:block}
.main-nav .sub a{font-weight:600;font-size:14.5px}
.main-nav .nav-label{cursor:default}
.main-nav .nav-cta a{background:var(--green);color:#fff}
.main-nav .nav-cta a:hover{background:var(--green-dark);color:#fff}

@media (max-width:960px){
  .nav-toggle{display:inline-block}
  .main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(15,42,28,.12);max-height:calc(100vh - 76px);overflow:auto}
  .main-nav.open{display:block}
  .main-nav>ul{flex-direction:column;padding:10px 20px 20px;gap:0}
  .main-nav .sub{display:block;position:static;border:0;box-shadow:none;padding:0 0 6px 14px;min-width:0}
  .main-nav .has-sub>.nav-label::after{display:none}
  .main-nav .nav-label{color:var(--ink-soft);font-size:13px;text-transform:uppercase;letter-spacing:.08em;padding-top:16px}
  .main-nav .nav-cta{margin-top:12px}
  .brand img{width:190px}
}

/* Hero / banner */
.hero{position:relative;color:#fff;background:var(--green-deep)}
.hero img.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,30,18,.86) 0%,rgba(10,30,18,.62) 55%,rgba(10,30,18,.35) 100%)}
.hero .wrap{position:relative;z-index:1;padding-top:72px;padding-bottom:72px}
.hero h1{color:#fff;max-width:760px}
.hero p.lead{font-size:1.2rem;max-width:680px;color:#eef3ef}
.hero .eyebrow{color:#cfe3d6}
.hero--home .wrap{padding-top:110px;padding-bottom:110px}
.eyebrow{font:600 13px var(--head);text-transform:uppercase;letter-spacing:.12em;color:var(--green);margin-bottom:12px;display:block}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-block;padding:13px 22px;border-radius:8px;font:600 15px var(--head);text-decoration:none;border:2px solid var(--green);background:var(--green);color:#fff}
.btn:hover{background:var(--green-dark);border-color:var(--green-dark);color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn--ghost:hover{background:#fff;color:var(--green-deep);border-color:#fff}
.btn--outline{background:transparent;color:var(--green)}
.btn--outline:hover{background:var(--green);color:#fff}

.breadcrumb{font-size:14px;color:#cfe3d6;margin-bottom:10px}
.breadcrumb a{color:#fff}

/* Sections */
.section{padding:64px 0}
.section--soft{background:var(--bg-soft)}
.section--green{background:var(--green-deep);color:#e8efe9}
.section--green h2,.section--green h3{color:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{margin-top:0}
.content{max-width:820px}
.content h2:first-child{margin-top:0}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
@media (max-width:960px){.layout{grid-template-columns:1fr;gap:36px}}

/* Side nav */
.side{position:sticky;top:100px;background:var(--bg-soft);border-radius:var(--radius);padding:22px}
.side h3{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft);margin-bottom:10px}
.side ul{list-style:none;padding:0;margin:0 0 18px}
.side li{margin:0}
.side a{display:block;padding:7px 10px;border-radius:6px;text-decoration:none;color:var(--green-deep);font-weight:600}
.side a:hover{background:#fff}
.side a[aria-current="page"]{background:#fff;color:var(--green);box-shadow:inset 3px 0 0 var(--green)}
.side .side-contact{border-top:1px solid var(--line);padding-top:16px;font-size:16px;line-height:1.8}
.side .side-contact a{display:inline;padding:0;font-weight:600}
.side .side-contact a:hover{background:none;text-decoration:underline}
@media (max-width:960px){.side{position:static}}

/* Cards */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}
@media (max-width:1060px){.grid-5{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:860px){.grid-3,.grid-5{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.grid-2,.grid-3,.grid-5{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column}
.card h3{margin-bottom:.4em}
.card p{font-size:16.5px;color:var(--ink-soft);margin-bottom:.8em}
.card .more{margin-top:auto;font:600 14.5px var(--head);text-decoration:none}
.card .more::after{content:" →"}
a.card{text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s,transform .15s}
a.card:hover{border-color:var(--green);box-shadow:0 10px 24px rgba(15,42,28,.08);transform:translateY(-2px)}
.card .icon{width:44px;height:44px;color:var(--green);margin-bottom:14px}
.card--photo{padding:0;overflow:hidden}
.card--photo img{aspect-ratio:16/8;object-fit:cover;width:100%}
.card--photo .card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}

/* Facts strip */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media (max-width:760px){.facts{grid-template-columns:1fr}}
.fact{border-left:3px solid #7fbf96;padding:4px 0 4px 18px}
.fact strong{display:block;font:700 1.55rem var(--head);color:#fff;margin-bottom:4px}
.fact span{color:#cfdcd3;font-size:16.5px}

/* Two columns */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}}
.figure{margin:0}
.figure img{border-radius:var(--radius)}
.figure figcaption{font-size:14px;color:var(--ink-soft);margin-top:8px}

/* Notice box */
.note{background:var(--bg-soft);border-left:4px solid var(--green);border-radius:0 var(--radius) var(--radius) 0;padding:18px 22px;margin:0 0 1.6em}
.note p:last-child{margin-bottom:0}
.badge-line{display:inline-block;font:700 15px var(--head);color:var(--green-deep);background:#e6efe9;border-radius:6px;padding:8px 14px;margin:0 0 1.2em}

/* Steps */
.steps{list-style:none;padding:0;margin:0 0 1.6em;counter-reset:s}
.steps>li{position:relative;padding:0 0 22px 58px;margin:0;counter-increment:s}
.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--green);color:#fff;font:700 16px/38px var(--head);text-align:center}
.steps>li::after{content:"";position:absolute;left:18px;top:42px;bottom:4px;width:2px;background:var(--line)}
.steps>li:last-child::after{display:none}
.steps h3{margin:6px 0 .35em}
.steps p{margin-bottom:.5em}

/* Accordion */
.acc{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;background:#fff}
.acc summary{cursor:pointer;list-style:none;padding:16px 20px;font:600 1.05rem var(--head);color:var(--green-deep);display:flex;justify-content:space-between;align-items:center;gap:16px}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";font-size:1.4rem;color:var(--green);line-height:1}
.acc[open] summary::after{content:"–"}
.acc .acc-body{padding:0 20px 14px}
.dose{display:inline-block;background:var(--bg-soft);border-radius:6px;padding:2px 8px;font-weight:600}

/* Tables / cert */
.cert{display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:center;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:12px;background:#fff}
.cert .std{font:700 1.05rem var(--head);color:var(--green)}
.cert .meta{font-size:15.5px;color:var(--ink-soft)}
.cert .meta strong{color:var(--ink)}
@media (max-width:700px){.cert{grid-template-columns:1fr;gap:8px}}
.doc-link{display:inline-flex;align-items:center;gap:8px;font:600 14.5px var(--head);text-decoration:none;border:1px solid var(--green);border-radius:8px;padding:9px 14px;white-space:nowrap}
.doc-link:hover{background:var(--green);color:#fff}
.doc-link svg{width:18px;height:18px}
table.data{border-collapse:collapse;width:100%;margin:0 0 1.4em;font-size:16.5px}
table.data th,table.data td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
table.data th{font-family:var(--head);font-size:14px;color:var(--ink-soft);font-weight:600}

/* Contact */
.contact-list{list-style:none;padding:0;margin:0 0 1.4em}
.contact-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}
.contact-list svg{width:22px;height:22px;flex:none;color:var(--green);margin-top:3px}

/* CTA band */
.cta-band{background:var(--green);color:#fff}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding-top:40px;padding-bottom:40px}
.cta-band h2{color:#fff;margin:0 0 .2em}
.cta-band p{margin:0;color:#e2efe6}
.cta-band .btn{background:#fff;color:var(--green-deep);border-color:#fff}
.cta-band .btn:hover{background:var(--green-deep);color:#fff;border-color:var(--green-deep)}
.cta-band .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}

/* Footer */
.site-footer{background:#0b1f14;color:#c5d2c9;font-size:15.5px}
.site-footer .wrap{padding-top:52px;padding-bottom:28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr}}
.site-footer img{width:210px;margin-bottom:16px}
.site-footer h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer a{color:#e5ede7;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px 32px;font-size:14px;color:#9fb2a5}
.foot-bottom span:first-child{flex:1 1 520px;min-width:0}

.small{font-size:15px;color:var(--ink-soft)}
.mt0{margin-top:0}