/* BBIO · Agricoltura Futura — design system "Serra" (produzione)
   Vanilla CSS, zero dipendenze esterne. Font self-hosted. */

@font-face{
  font-family:"DM Sans";
  font-style:normal;
  font-weight:400 700;
  font-display:swap;
  src:url("../fonts/dm-sans-latin.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}
@font-face{
  font-family:"DM Sans";
  font-style:normal;
  font-weight:400 700;
  font-display:swap;
  src:url("../fonts/dm-sans-latin-ext.woff2") format("woff2");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7,U+02CE,U+02D0-02D4,U+02E0-02E4,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113;
}

:root{
  --page:#F2F7F3;
  --card:#FFFFFF;
  --ink:#1F3A2C;
  --ink-strong:#152B20;
  --accent:#4C9A6A;
  --accent-strong:#3D7E56;
  --lime:#DCEFE2;
  --lime-soft:#EAF5EE;
  --sand:#E8DCC8;
  --muted:#5F7568;
  --line:#D9E6DD;
  --radius:24px;
  --radius-sm:16px;
  --rhythm:clamp(64px,9vw,104px);
  --wrap:1160px;
  --pad:clamp(20px,4vw,32px);
  --c-droni:#0E7490;
  --c-droni-bg:#E0F2F7;
  --c-ai:#6D28D9;
  --c-ai-bg:#EDE9FE;
  --c-robot:#B45309;
  --c-robot-bg:#FDEFD9;
  --c-bio:#0F766E;
  --c-bio-bg:#D9F2EF;
  --c-semi:#3D7E56;
  --c-semi-bg:#DCEFE2;
  --c-iot:#475569;
  --c-iot-bg:#E5E9EF;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  background:var(--page);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;border-radius:10px}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
h1,h2,h3,h4{font-weight:500;line-height:1.15;letter-spacing:-0.015em;color:var(--ink-strong)}
p{max-width:70ch}
.skip{position:absolute;left:-9999px;background:var(--accent);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:100}
.skip:focus{left:0}

/* ============ HEADER ============ */
.site-header{position:sticky;top:14px;z-index:50;padding-inline:var(--pad)}
.header-inner{
  max-width:var(--wrap);margin-inline:auto;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-radius:999px;border:1px solid rgba(76,154,106,.16);
  box-shadow:0 6px 24px rgba(31,58,44,.08);
  display:flex;align-items:center;gap:10px;
  padding:9px 12px 9px 20px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:21px;letter-spacing:-.01em;flex:none}
.logo .mark{width:32px;height:32px;border-radius:12px;background:var(--lime);display:grid;place-items:center;color:var(--accent-strong)}
.logo .mark svg{width:18px;height:18px}
.logo small{display:block;font-size:10.5px;font-weight:500;color:var(--muted);letter-spacing:.03em;line-height:1}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:2px;list-style:none}
.main-nav a{font-size:14.5px;font-weight:500;padding:8px 13px;border-radius:999px;transition:background .15s,color .15s}
.main-nav a:hover{background:var(--lime);color:var(--accent-strong)}
.btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:14.5px;font-weight:700;padding:10px 20px;border-radius:999px;border:0;cursor:pointer;transition:background .15s,transform .15s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-strong)}
.btn-soft{background:var(--lime);color:var(--accent-strong)}
.btn-soft:hover{background:#CBE6D4}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;place-items:center;color:var(--ink);flex:none;
}
.nav-burger svg{width:18px;height:18px}
.mobile-nav{display:none}

/* ============ HERO (home) ============ */
.hero{padding-block:56px 16px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.kicker{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-strong)}
.hero h1{font-size:clamp(36px,4.6vw,60px);margin-top:14px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .sub{margin-top:18px;font-size:18px;color:var(--muted);max-width:46ch}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;font-size:14px;color:var(--muted)}
.hero-facts strong{display:block;font-size:24px;color:var(--ink-strong);font-weight:700}
.hero-art{border-radius:32px;overflow:hidden;box-shadow:0 12px 36px rgba(31,58,44,.12);border:1px solid rgba(76,154,106,.12);position:relative}
.hero-art img{width:100%;height:100%;object-fit:cover}
.hero-art figcaption{
  position:absolute;left:14px;bottom:14px;background:rgba(21,43,32,.72);color:#EAF5EE;
  font-size:12.5px;font-weight:500;padding:8px 14px;border-radius:999px;backdrop-filter:blur(6px);
}

/* ============ SEZIONI ============ */
.section{padding-block:var(--rhythm) 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:30px}
.section-head h2{font-size:clamp(26px,3vw,36px)}
.section-head .more{font-size:14.5px;font-weight:700;color:var(--accent-strong);white-space:nowrap}
.section-head .more:hover{text-decoration:underline}

/* ============ CARD ARTICOLI ============ */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:var(--card);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 4px 16px rgba(31,58,44,.06);display:flex;flex-direction:column;
  transition:transform .18s,box-shadow .18s;
}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(31,58,44,.11)}
.card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb .pill{position:absolute;top:14px;left:14px}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:20px}
.card-body h3 a:hover{color:var(--accent-strong)}
.card-body .ex{font-size:14.5px;color:var(--muted);line-height:1.6}
.card-meta{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9D8CD}

/* card featured (home) */
.card--featured{grid-column:span 2;flex-direction:row}
.card--featured .thumb{flex:0 0 52%;aspect-ratio:auto;min-height:280px}
.card--featured .card-body{padding:clamp(22px,3vw,36px)}
.card--featured h3{font-size:clamp(22px,2.4vw,30px)}

.pill{display:inline-flex;align-items:center;font-size:12px;font-weight:700;padding:5px 13px;border-radius:999px;white-space:nowrap}
.pill--droni{background:var(--c-droni-bg);color:var(--c-droni)}
.pill--ai{background:var(--c-ai-bg);color:var(--c-ai)}
.pill--robot{background:var(--c-robot-bg);color:var(--c-robot)}
.pill--bio{background:var(--c-bio-bg);color:var(--c-bio)}
.pill--semi{background:var(--c-semi-bg);color:var(--c-semi)}
.pill--iot{background:var(--c-iot-bg);color:var(--c-iot)}
.pill--format{background:var(--lime);color:var(--accent-strong)}

/* ============ CATEGORIE ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat-card{
  background:var(--card);border-radius:var(--radius);padding:26px;
  display:flex;flex-direction:column;gap:14px;
  box-shadow:0 4px 16px rgba(31,58,44,.06);
  transition:transform .18s,box-shadow .18s;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(31,58,44,.11)}
.cat-ico{width:46px;height:46px;border-radius:16px;display:grid;place-items:center}
.cat-ico svg{width:23px;height:23px}
.cat-card h3{font-size:19px;line-height:1.3}
.cat-card p{font-size:14px;color:var(--muted);line-height:1.6}
.cat-card .count{margin-top:auto;font-size:12.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-strong)}
.ico--droni{background:var(--c-droni-bg);color:var(--c-droni)}
.ico--ai{background:var(--c-ai-bg);color:var(--c-ai)}
.ico--robot{background:var(--c-robot-bg);color:var(--c-robot)}
.ico--bio{background:var(--c-bio-bg);color:var(--c-bio)}
.ico--semi{background:var(--c-semi-bg);color:var(--c-semi)}
.ico--iot{background:var(--c-iot-bg);color:var(--c-iot)}

/* ============ PAGINA ARTICOLO ============ */
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--accent-strong)}
.breadcrumb .sep{color:#C9D8CD}
.article-head{padding-block:44px 0;max-width:860px;margin-inline:auto}
.article-head .pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.article-head h1{font-size:clamp(30px,4vw,48px);line-height:1.12}
.article-head .dek{margin-top:16px;font-size:18.5px;color:var(--muted);max-width:62ch}
.byline{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:14px;color:var(--muted)}
.byline .avatar{width:36px;height:36px;border-radius:50%;background:var(--lime);color:var(--accent-strong);display:grid;place-items:center;font-size:12px;font-weight:700;border:1px solid #CBE6D4;flex:none}
.byline .who{font-weight:700;color:var(--ink-strong)}
.article-hero{max-width:1040px;margin:30px auto 0;border-radius:28px;overflow:hidden;box-shadow:0 10px 32px rgba(31,58,44,.1)}
.article-hero img{width:100%;height:auto}
.prose{max-width:760px;margin-inline:auto;padding-block:14px}
.prose h2{font-size:clamp(24px,2.6vw,31px);margin:52px 0 18px;line-height:1.2}
.prose h3{font-size:20px;margin:36px 0 12px}
.prose p{margin-bottom:18px}
.prose ul,.prose ol{margin:0 0 18px 22px;display:flex;flex-direction:column;gap:8px}
.prose li::marker{color:var(--accent)}
.prose strong{font-weight:700;color:var(--ink-strong)}
.prose em{font-style:italic}
.prose table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:14.5px;
  background:var(--card);border-radius:var(--radius-sm);overflow:hidden;
  box-shadow:0 4px 14px rgba(31,58,44,.06);display:table;
}
.prose table th{background:var(--ink);color:#EAF5EE;text-align:left;font-weight:700;padding:13px 16px;font-size:13px;letter-spacing:.02em}
.prose table td{padding:12px 16px;border-top:1px solid var(--line);vertical-align:top;line-height:1.5}
.prose table tbody tr:nth-child(even){background:var(--lime-soft)}
.table-scroll{overflow-x:auto;margin:26px 0;border-radius:var(--radius-sm)}
.table-scroll table{margin:0;box-shadow:none}
.prose figure{margin:34px 0}
.prose pre.diagram{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 20px;margin:26px 0;overflow-x:auto;
  font-family:ui-monospace,"Liberation Mono","DejaVu Sans Mono","SF Mono",Menlo,Consolas,monospace;
  font-size:12px;line-height:1.5;color:var(--ink);max-width:none;
}
.prose figure img,.prose figure svg{width:100%;height:auto;border-radius:var(--radius-sm)}
.prose figure.fig-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.prose figure.fig-scroll svg{min-width:620px}
.prose figcaption{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.5;max-width:none}
.formula{
  margin:26px 0;padding:22px 26px;background:var(--card);border-radius:var(--radius-sm);
  border:1px solid var(--line);display:flex;justify-content:center;align-items:center;gap:14px;
  font-size:19px;flex-wrap:wrap;
}
.frac{display:inline-flex;flex-direction:column;text-align:center;vertical-align:middle;font-size:17px}
.frac .num{padding:0 10px 4px;border-bottom:2px solid var(--ink-strong)}
.frac .den{padding:4px 10px 0}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12.5px;font-weight:500;color:var(--muted);background:var(--card);border:1px solid var(--line);padding:5px 13px;border-radius:999px}
.article-nav{max-width:760px;margin-inline:auto;padding-block:44px 0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.article-nav a{
  background:var(--card);border-radius:var(--radius-sm);padding:18px 20px;
  box-shadow:0 3px 12px rgba(31,58,44,.05);display:flex;flex-direction:column;gap:6px;
  transition:transform .15s,box-shadow .15s;
}
.article-nav a:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(31,58,44,.1)}
.article-nav .dir{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-strong)}
.article-nav .t{font-size:15px;font-weight:700;line-height:1.35;color:var(--ink-strong)}
.article-nav a.next{text-align:right;align-items:flex-end}

/* ============ PAGINA CATEGORIA ============ */
.cat-hero{padding-block:48px 8px;max-width:860px}
.cat-hero .cat-ico{margin-bottom:18px}
.cat-hero h1{font-size:clamp(30px,4vw,46px)}
.cat-hero .sub{margin-top:14px;font-size:18px;color:var(--muted);max-width:62ch}
.planned{max-width:860px;padding-block:26px 0}
.planned h2{font-size:22px;margin-bottom:8px}
.planned ol{list-style:none;counter-reset:pl;margin-top:16px;display:flex;flex-direction:column}
.planned li{counter-increment:pl;border-top:1px solid var(--line);padding:13px 0;font-size:15.5px;display:flex;gap:14px;line-height:1.55}
.planned li::before{content:counter(pl,decimal-leading-zero);font-weight:700;color:var(--accent);font-size:14px;flex:none;padding-top:2px}
.planned details{border-top:1px solid var(--line)}
.planned summary{cursor:pointer;padding:16px 0;font-weight:700;color:var(--accent-strong);font-size:15px;list-style:none;display:flex;align-items:center;gap:8px}
.planned summary::-webkit-details-marker{display:none}
.planned summary::after{content:"+";font-size:18px;line-height:1}
.planned details[open] summary::after{content:"–"}
.planned details ol{padding-bottom:10px}

/* ============ LISTA ARTICOLI (categoria) ============ */
.art-list{list-style:none;margin-top:16px}
.art-list li{border-top:1px solid var(--line)}
.art-list li:first-child{border-top:0}
.art-list a{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:13px 2px;transition:background .12s}
.art-list a:hover{background:var(--lime-soft)}
.art-list a:hover .li-t{color:var(--accent-strong);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;text-decoration-color:var(--accent)}
.art-list .li-t{font-size:16px;font-weight:500;line-height:1.45;color:var(--ink-strong)}
.art-list .li-m{font-size:12.5px;color:var(--muted);white-space:nowrap;flex:none}
.planned-more summary{cursor:pointer;padding:16px 0;font-weight:700;color:var(--accent-strong);font-size:15px;list-style:none}
.planned-more summary::-webkit-details-marker{display:none}
.planned-more summary::after{content:"+";margin-left:8px;font-size:18px;line-height:1}
.planned-more details[open] summary::after,.planned-more[open] summary::after{content:"–"}

/* ============ CURATORE ============ */
.curator{padding-block:0}
.curator-panel{
  background:var(--card);border:1px solid var(--line);border-radius:32px;
  padding:clamp(24px,4vw,48px);display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,48px);align-items:center;
  box-shadow:0 6px 20px rgba(31,58,44,.06);
}
.curator-panel figure{border-radius:24px;overflow:hidden;box-shadow:0 10px 28px rgba(31,58,44,.12)}
.curator-panel img{width:100%;height:auto}
.curator-panel h2{font-size:clamp(24px,2.8vw,34px)}
.curator-panel .role{font-size:13.5px;font-weight:700;color:var(--accent-strong);margin-top:6px;letter-spacing:.02em}
.curator-panel p{margin-top:14px;font-size:15.5px;color:var(--muted)}
.curator-panel .bio-cta{margin-top:20px}
@media (max-width:900px){.curator-panel{grid-template-columns:1fr}}

/* ============ CONTATTI / PANNELLI ============ */
.contact{padding-block:var(--rhythm) 0}
.contact-panel,.split-panel{
  background:var(--ink);color:#EDF5EF;border-radius:32px;
  padding:clamp(32px,5vw,60px);display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center;
}
.contact-panel h2,.split-panel h2{font-size:clamp(26px,3vw,36px);color:#fff}
.contact-panel h2 em,.split-panel h2 em{font-style:normal;color:#8FCFA8}
.contact-panel p,.split-panel p{margin-top:12px;font-size:15.5px;color:#B9CCC0;max-width:48ch}
.contact-panel .btn{background:#fff;color:var(--ink-strong);justify-self:start}
.contact-panel .btn:hover{background:var(--sand)}
.contact-panel .site-link{margin-top:16px;font-size:13px;color:#8AA394}
.contact-panel .site-link a{color:#8FCFA8;text-decoration:underline;text-underline-offset:3px}

/* ============ FOOTER ============ */
.site-footer{margin-top:var(--rhythm);background:var(--ink);color:#C9D8CD}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-block:56px 36px}
.footer-grid h4{font-size:13px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:#8FCFA8;margin-bottom:14px}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-grid a{font-size:14.5px;color:#C9D8CD}
.footer-grid a:hover{color:#fff}
.footer-brand .logo{color:#fff}
.footer-brand .logo .mark{background:rgba(143,207,168,.15);color:#8FCFA8}
.footer-brand p{font-size:14.5px;margin-top:14px;max-width:36ch;color:#9DB5A6}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-block:20px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:#8AA394}

/* ============ CHI SIAMO ============ */
.page-head{padding-block:48px 8px;max-width:860px}
.page-head h1{font-size:clamp(32px,4vw,48px)}
.page-head .sub{margin-top:14px;font-size:18px;color:var(--muted);max-width:62ch}
.bio-card{
  display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;
  background:var(--card);border-radius:var(--radius);padding:30px;margin-top:26px;
  box-shadow:0 4px 16px rgba(31,58,44,.06);max-width:860px;
}
.bio-card .avatar{width:72px;height:72px;border-radius:50%;background:var(--lime);color:var(--accent-strong);display:grid;place-items:center;font-weight:700;font-size:22px;border:1px solid #CBE6D4}
.bio-card h2{font-size:22px}
.bio-card .role{font-size:13.5px;font-weight:700;color:var(--accent-strong);margin-top:2px}
.bio-card p{font-size:15px;color:var(--muted);margin-top:12px}

/* ============ 404 ============ */
.err{padding-block:100px 60px;text-align:center}
.err h1{font-size:clamp(60px,10vw,120px);color:var(--accent)}
.err p{margin:14px auto 28px;max-width:44ch;color:var(--muted)}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .card--featured{grid-column:span 2;flex-direction:column}
  .card--featured .thumb{flex:none;aspect-ratio:16/9;min-height:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{display:none}
  .nav-burger{display:grid}
  .mobile-nav{
    display:none;max-width:var(--wrap);margin-inline:auto;
    background:var(--card);border-radius:24px;border:1px solid rgba(76,154,106,.16);
    box-shadow:0 12px 32px rgba(31,58,44,.12);padding:14px;margin-top:10px;
  }
  .nav-toggle:checked ~ .mobile-nav{display:block}
  .mobile-nav ul{list-style:none;display:flex;flex-direction:column;gap:2px}
  .mobile-nav a{display:block;padding:11px 16px;border-radius:14px;font-weight:500}
  .mobile-nav a:hover{background:var(--lime)}
  .site-header{top:10px}
}
@media (max-width:720px){
  body{font-size:16px}
  .cards{grid-template-columns:1fr}
  .card--featured{grid-column:auto}
  .cat-grid{grid-template-columns:1fr}
  .contact-panel,.split-panel{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .header-actions .btn span{display:none}
  .header-actions .btn{padding:10px 13px}
  .article-nav{grid-template-columns:1fr}
  .article-nav a.next{text-align:left;align-items:flex-start}
  .prose table{font-size:13.5px}
  .bio-card{grid-template-columns:1fr}
}