/* Cantiere Sage — layout home.
   Condiviso da index.html (IT) e en/index.html (EN).
   Consuma i token via styles.css (linkare PRIMA questo file). */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-sans);min-height:100vh}
.wrap{position:relative;overflow:hidden}
.atmos{position:absolute;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(900px 600px at 80% -8%, rgba(53,111,76,0.12), transparent 60%),
             radial-gradient(680px 520px at -5% 26%, rgba(226,88,60,0.06), transparent 55%)}
.inner{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:0 40px}
nav{display:flex;align-items:center;justify-content:space-between;padding:40px 0 0}
.brand{display:flex;align-items:center;gap:11px}
.logo{width:30px;height:30px;border-radius:var(--radius-sm);box-shadow:0 6px 18px var(--glow);display:block}
.brand>span{font-weight:700;font-size:15px;letter-spacing:-.01em}
.navlinks{display:flex;align-items:center;gap:34px;font-size:14px;color:var(--text-muted)}
.navlinks a{color:inherit;text-decoration:none;cursor:pointer}
.navlinks a:hover{color:var(--text)}
.navlinks a.btn{color:var(--on-accent)}
.navlinks a.btn:hover{color:var(--on-accent)}
.lang{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em}
.btn{font-family:var(--font-sans);font-weight:600;border:none;border-radius:var(--radius-pill);cursor:pointer;color:var(--on-accent);background:var(--accent);box-shadow:var(--shadow-button);transition:background .2s,transform .2s;text-decoration:none;display:inline-block}
.btn:hover{background:var(--accent-strong)}
.btn-nav{font-size:13px;padding:10px 18px;white-space:nowrap}
.btn-lg{font-size:16px;padding:17px 36px}
.btn-hero{font-size:15px;padding:15px 28px;box-shadow:0 12px 30px var(--glow)}
.btn-hero:hover{transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border);box-shadow:none;font-size:15px;font-weight:500;padding:15px 26px}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:transparent}
header.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:74px 0 70px}
.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;color:var(--accent-soft);margin-bottom:26px}
h1.display{font-family:var(--font-display);font-weight:800;font-size:76px;line-height:.98;letter-spacing:var(--tracking-tight);margin:0 0 26px}
h1.display .it{color:var(--pop)}
.lead{font-size:18px;line-height:1.6;color:var(--text-muted);max-width:500px;margin:0 0 36px}
.cta-row{display:flex;align-items:center;gap:16px}
.portrait{position:relative}
.halo{position:absolute;inset:-24px;background:radial-gradient(circle at 50% 40%,var(--glow),transparent 68%);filter:blur(8px);z-index:0;animation:pulse 6s ease-in-out infinite}
.frame{position:relative;z-index:1;aspect-ratio:4/3;border-radius:var(--radius-xl);border:1px solid var(--border);background:linear-gradient(160deg,var(--photo-1),var(--photo-2));overflow:hidden;box-shadow:var(--shadow-card)}
.frame .tint{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,transparent 58%,rgba(63,125,82,0.12))}
.frame .photo{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover}
.badge{position:absolute;bottom:20px;left:-26px;z-index:2;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:13px 17px;display:flex;align-items:center;gap:11px;box-shadow:var(--shadow-float);animation:float 5s ease-in-out infinite}
.badge .dot{width:9px;height:9px;border-radius:var(--radius-pill);background:var(--status);box-shadow:0 0 12px var(--status)}
.badge span{font-size:13px;font-weight:500}
.badge .yr{color:var(--pop)}
.sec-eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;color:var(--accent-soft);margin-bottom:16px}
h2.sec{font-family:var(--font-display);font-weight:800;font-size:40px;line-height:1.04;margin:0;letter-spacing:-.025em}
section.talks{padding:34px 0 104px}
.talk{display:grid;grid-template-columns:64px 1fr auto;gap:24px;align-items:start;padding:26px 8px;border-bottom:1px solid var(--border-soft);transition:background .2s,padding .2s;text-decoration:none;color:inherit}
a.talk:hover{background:rgba(53,111,76,0.06);padding-left:18px}
.talk .yr{font-family:var(--font-mono);font-size:13px;color:var(--text-faint);padding-top:6px}
.talk .t{font-family:var(--font-display);font-weight:700;font-size:22px;line-height:1.18;letter-spacing:-.02em}
.talk .e{font-size:13px;color:var(--accent-soft);font-family:var(--font-mono);margin-top:6px}
.talk .abs{font-size:14px;line-height:1.6;color:var(--text-muted);margin-top:10px;max-width:640px}
.tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-soft);border:1px solid var(--border);border-radius:var(--radius-pill);padding:5px 13px;white-space:nowrap;margin-top:6px;text-decoration:none;display:inline-block}
a.tag:hover{border-color:var(--accent);color:var(--accent)}
.talk-links{display:flex;flex-direction:column;gap:8px;align-items:flex-end;flex-wrap:wrap}
section.serie{padding-bottom:104px}
.serie-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:38px}
.serie-intro{font-size:16px;line-height:1.7;color:var(--text-muted);max-width:640px;margin:18px 0 38px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px 24px 28px;background:linear-gradient(180deg,var(--surface),var(--surface-sunken));box-shadow:var(--shadow-soft);transition:border-color .2s,transform .2s,box-shadow .2s;text-decoration:none;color:inherit;display:flex;flex-direction:column;min-width:0}
a.card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow-card)}
.card .n{font-family:var(--font-mono);font-size:12px;color:var(--accent-soft);margin-bottom:18px}
.card h3{font-family:var(--font-display);font-weight:700;font-size:23px;line-height:1.12;letter-spacing:-.02em;margin:0 0 12px}
.card p{font-size:14px;line-height:1.6;color:var(--text-muted);margin:0 0 18px}
.card .tag{margin-top:auto;align-self:flex-start}
.serie-cta{font-size:15px;line-height:1.7;color:var(--text-muted);margin-top:34px}
.serie-cta a{color:var(--accent);text-decoration:none}
.serie-cta a:hover{color:var(--accent-strong)}
section.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;padding-bottom:104px}
.about p{font-size:17px;line-height:1.7;color:var(--text-muted);margin:0 0 20px}
section.cta{text-align:center;padding:0 0 64px}
.cta-panel{position:relative;border:1px solid var(--border);border-radius:var(--radius-2xl);padding:80px 40px;background:linear-gradient(180deg,var(--surface),var(--surface-sunken));box-shadow:var(--shadow-cta);overflow:hidden}
.cta-panel .glow{position:absolute;inset:0;background:radial-gradient(600px 320px at 50% 122%,var(--glow),transparent 70%);pointer-events:none}
.cta-panel h2{font-family:var(--font-display);font-weight:800;font-size:54px;line-height:1.0;margin:0 0 18px;letter-spacing:-.03em;position:relative}
.cta-panel p{font-size:17px;color:var(--text-muted);max-width:480px;margin:0 auto 34px;position:relative}
.cta-panel .mail{margin-top:22px;font-family:var(--font-mono);font-size:13px;color:var(--text-faint);position:relative}
footer{display:flex;align-items:center;justify-content:space-between;padding:36px 0 56px;border-top:1px solid var(--border-soft);color:var(--text-faint);font-size:13px}
footer .links{display:flex;gap:24px}
footer .links a{color:inherit;text-decoration:none}
footer .links a:hover{color:var(--text)}

/* Scritti — barra di filtri (chip). Filtra le card per categoria via scritti.js.
   Senza JS le card restano tutte visibili: degradazione pulita. */
.filtri{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);background:transparent;border:1px solid var(--border);border-radius:var(--radius-pill);padding:7px 16px;cursor:pointer;transition:color .2s,border-color .2s,background .2s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.is-active{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.talk[hidden]{display:none}

@keyframes pulse{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:.85;transform:scale(1.05)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media (max-width:900px){
  header.hero{grid-template-columns:1fr;padding-top:50px}
  h1.display{font-size:52px}
  section.about{grid-template-columns:1fr;gap:24px}
  .talk{grid-template-columns:1fr;gap:8px}
  .grid3{grid-template-columns:1fr}
  .badge{left:12px}
}
/* Sotto i ~640px la nav su una riga sfora il viewport (e .wrap la taglia):
   impila brand sopra, link a capo e centrati, tutto resta tappabile. */
@media (max-width:640px){
  .inner{padding:0 24px}
  nav{flex-direction:column;gap:16px;padding-top:30px}
  .navlinks{flex-wrap:wrap;justify-content:center;gap:14px 22px;width:100%}
}