/* STARTHINK — design system istituzionale */
:root{
  --ink:#0b1526; --ink2:#33415e; --muted:#64748b; --bg:#ffffff; --bg2:#f6f8fc;
  --line:#e6eaf2; --brand:#2447d6; --brand2:#6d28d9; --sky:#0ea5e9;
  --grad:linear-gradient(120deg,#2447d6 0%,#6d28d9 60%,#0ea5e9 120%);
  --radius:18px; --shadow:0 10px 40px rgba(11,21,38,.08);
  --accent:#2447d6; --accent-soft:#eef2ff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
::selection{background:#dbe4ff}

/* ---------- header ---------- */
.site-header{position:fixed;inset-inline:0;top:0;z-index:50;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.site-header.scrolled{background:rgba(255,255,255,.86);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.06em;font-size:1.05rem}
.logo .gem{width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:.95rem;box-shadow:0 6px 18px rgba(36,71,214,.35)}
.logo small{display:block;font-weight:600;letter-spacing:.28em;font-size:.55rem;color:var(--muted)}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a{padding:9px 13px;border-radius:10px;font-size:.92rem;font-weight:600;color:var(--ink2);transition:background .2s,color .2s}
.nav-links a:hover{background:var(--bg2);color:var(--ink)}
.nav-links a.active{color:var(--accent);background:var(--accent-soft)}
.nav-links a.nav-cta{margin-left:6px;background:var(--grad);color:#fff!important;box-shadow:0 6px 18px rgba(36,71,214,.3)}
.nav-links a.nav-cta:hover{background:var(--grad);color:#fff!important;filter:brightness(1.1);transform:translateY(-1px)}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}
@media(max-width:920px){
  .burger{display:flex}
  .nav-links{position:fixed;top:72px;right:12px;left:12px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:10px;gap:2px;opacity:0;pointer-events:none;transform:translateY(-8px);transition:opacity .25s,transform .25s}
  .nav-links.open{opacity:1;pointer-events:auto;transform:none}
  body.nav-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .burger span:nth-child(2){opacity:0}
  body.nav-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* ---------- hero ---------- */
.hero{position:relative;padding:170px 0 110px;overflow:clip;background:
  radial-gradient(700px 420px at 12% -10%,rgba(36,71,214,.14),transparent 60%),
  radial-gradient(600px 400px at 95% 0%,rgba(109,40,217,.12),transparent 55%),
  radial-gradient(520px 380px at 60% 110%,rgba(14,165,233,.10),transparent 60%),var(--bg)}
.hero .kicker{display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:800;letter-spacing:.22em;color:var(--accent);background:var(--accent-soft);padding:8px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.12;letter-spacing:-.02em;font-weight:800;max-width:820px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:20px;font-size:clamp(1.02rem,1.6vw,1.25rem);color:var(--ink2);max-width:640px}
.hero .cta-row{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none;animation:float 14s ease-in-out infinite}
.blob.b1{width:340px;height:340px;background:#c7d5ff;top:-90px;right:6%}
.blob.b2{width:280px;height:280px;background:#e4d5ff;bottom:-120px;left:4%;animation-delay:-7s}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(26px) scale(1.05)}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 24px;border-radius:14px;font-weight:700;font-size:.98rem;transition:transform .2s,box-shadow .2s,filter .2s;cursor:pointer;border:0}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(36,71,214,.32)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#c9d4ea;box-shadow:var(--shadow)}
.btn svg{flex-shrink:0}
a:focus-visible,button:focus-visible{outline:3px solid #9db9ff;outline-offset:2px;border-radius:10px}

/* ---------- sections ---------- */
section{padding:84px 0}
.section-alt{background:var(--bg2)}
.eyebrow{font-size:.72rem;font-weight:800;letter-spacing:.24em;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
h2.title{font-size:clamp(1.5rem,3vw,2.2rem);letter-spacing:-.015em;line-height:1.2;font-weight:800;max-width:720px}
.sub{margin-top:14px;color:var(--ink2);max-width:680px}
.prose p{margin-top:14px;color:var(--ink2);max-width:760px}
.prose strong{color:var(--ink)}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:18px;margin-top:42px}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:920px){.grid.cols-3,.grid.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid.cols-2,.grid.cols-3,.grid.cols-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d4ddf0}
.card .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;background:var(--accent-soft);color:var(--accent)}
.card .ico svg{display:block}
.card:hover .ico{transform:scale(1.06);transition:transform .25s}
.card h3{font-size:1.06rem;font-weight:800;letter-spacing:-.01em}
.card p{margin-top:8px;font-size:.93rem;color:var(--ink2)}
.card.link-card{position:relative}
.card.link-card .arrow{position:absolute;top:24px;right:22px;color:var(--muted);transition:transform .25s,color .25s}
.card.link-card:hover .arrow{transform:translateX(4px);color:var(--accent)}

/* area accents */
.area-academy{--accent:#d97706;--accent-soft:#fef3e2}
.area-consulting{--accent:#2447d6;--accent-soft:#eef2ff}
.area-communication{--accent:#7c3aed;--accent-soft:#f3ecff}
.area-media{--accent:#e11d48;--accent-soft:#ffe9ee}
.area-magazine{--accent:#0d9488;--accent-soft:#e2f7f4}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:46px}
@media(max-width:700px){.stats{grid-template-columns:1fr}}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center}
.stat b{display:block;font-size:2.1rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.9rem;color:var(--ink2);font-weight:600}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;font-size:.88rem;font-weight:700;color:var(--ink2);transition:transform .2s,border-color .2s,color .2s}
.chip:hover{transform:translateY(-2px);border-color:var(--accent);color:var(--accent)}

/* ---------- band / manifesto ---------- */
.band{background:linear-gradient(120deg,#0b1526 0%,#1a2c6b 55%,#2a1a5e 110%);color:#fff;border-radius:26px;padding:64px 48px;position:relative;overflow:clip}
.band:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(14,165,233,.35),transparent 65%);top:-160px;right:-120px}
.band h2{font-size:clamp(1.4rem,2.8vw,2.1rem);font-weight:800;letter-spacing:-.015em;max-width:640px;position:relative;z-index:1}
.band p{margin-top:14px;color:#c6d2f0;max-width:620px;position:relative;z-index:1}
.band .motto{margin-top:26px;font-weight:800;letter-spacing:.3em;font-size:.85rem;color:#8fb2ff;position:relative;z-index:1}

/* ---------- eco strip ---------- */
.eco{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.eco a{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 16px;font-weight:700;font-size:.9rem;transition:transform .2s,box-shadow .2s}
.eco a:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#c9d4ea}
.eco a svg{color:var(--accent);flex-shrink:0}

/* ---------- contact ---------- */
.contact-info{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:42px}
@media(max-width:700px){.contact-info{grid-template-columns:1fr}}
form.contact{margin-top:42px;display:grid;gap:14px;max-width:560px}
form.contact label{font-weight:700;font-size:.88rem}
form.contact input,form.contact textarea{width:100%;margin-top:6px;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:16px;font-family:inherit;outline:none;transition:border-color .2s,box-shadow .2s;background:#fff}
form.contact input:focus,form.contact textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}

/* ---------- footer ---------- */
footer{background:#0b1526;color:#a9b7d4;margin-top:40px}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:34px;padding:60px 0 40px}
@media(max-width:860px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.fgrid{grid-template-columns:1fr}}
footer h4{color:#fff;font-size:.85rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:16px}
footer a{display:block;padding:5px 0;font-size:.92rem;transition:color .2s}
footer a:hover{color:#fff}
@media(max-width:640px){footer a{padding:10px 0}}
.fbottom{border-top:1px solid rgba(255,255,255,.09);padding:22px 0;font-size:.82rem;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

/* ---------- loghi immagine ---------- */
.logo img{height:38px;width:auto;display:block}
.arealogo{height:52px;width:auto;margin-bottom:20px;filter:drop-shadow(0 4px 14px rgba(11,21,38,.12))}

/* ---------- foto ---------- */
.ph{border-radius:var(--radius);overflow:hidden;position:relative;background:var(--bg2)}
.ph img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.08);transition:transform 1.1s cubic-bezier(.2,.7,.3,1)}
.ph.in img,.ph:hover img{transform:scale(1.02)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;margin-top:34px}
@media(max-width:860px){.split{grid-template-columns:1fr;gap:26px}}
.cardimg{width:100%;height:150px;object-fit:contain;background:#fff;border-radius:12px;margin-bottom:16px}
.gallery{display:grid;gap:14px;grid-template-columns:repeat(3,1fr);margin-top:42px}
.gallery .ph{aspect-ratio:4/3}
.gallery .ph.big{grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
@media(max-width:640px){.gallery{grid-template-columns:1fr}.gallery .ph.big{grid-column:auto;grid-row:auto;aspect-ratio:4/3}}
.strip{display:grid;gap:14px;grid-template-columns:repeat(3,1fr);margin-top:42px}
@media(max-width:640px){.strip{grid-template-columns:1fr}}
.strip .ph{aspect-ratio:16/10}
.band .split{margin-top:0}
.band .ph{border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.35)}

/* ---------- hero entrance (al caricamento) ---------- */
.hi{animation:heroIn .85s cubic-bezier(.2,.7,.3,1) both}
.hi0{animation-delay:.04s}.hi1{animation-delay:.16s}.hi2{animation-delay:.32s}.hi3{animation-delay:.48s}
@keyframes heroIn{from{opacity:0;transform:translateY(28px);filter:blur(10px)}to{opacity:1;transform:none;filter:none}}




/* ---------- technology / europa / steps / flegal ---------- */
.area-technology{--accent:#0891b2;--accent-soft:#e0f6fb}
.euband{background:linear-gradient(120deg,#00227a 0%,#003399 55%,#1247c9 115%);color:#fff;border-radius:26px;padding:56px 48px;position:relative;overflow:clip}
.euband h2{font-size:clamp(1.4rem,2.8vw,2.1rem);font-weight:800;letter-spacing:-.015em}
.euband p{margin-top:14px;color:#c9d6f7;max-width:560px}
.euband .split{margin-top:0;align-items:center}
.oidbadge{display:inline-flex;align-items:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,214,23,.55);border-radius:12px;padding:11px 18px;font-size:.95rem;margin-top:20px}
.oidbadge b{color:#ffd617;letter-spacing:.06em;margin-left:4px}
.euflag img{width:100%;max-width:320px;border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.4);display:block;margin:0 auto}
@media(max-width:640px){.euband{padding:40px 24px}}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:42px}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center;transition:transform .25s,box-shadow .25s}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.step .n{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:grid;place-items:center;margin:0 auto 12px}
.step b{display:block;font-size:.92rem;color:var(--ink)}
.step span{font-size:.78rem;color:var(--muted);display:block;margin-top:4px;line-height:1.4}
.flegal{border-top:1px solid rgba(255,255,255,.09);padding:18px 0;font-size:.78rem;color:#8fa3c8;display:flex;gap:12px;align-items:center;flex-wrap:wrap;line-height:1.6}
@media(max-width:1180px){.nav-links a{padding:9px 9px;font-size:.88rem}}
.caption{font-size:.78rem;color:var(--muted);text-align:center;margin-top:10px}

/* ---------- social footer ---------- */
.fsocial{display:flex;gap:10px;margin-top:16px}
.fsocial a{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:#c6d2f0;transition:background .2s,color .2s,transform .2s}
.fsocial a:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}

/* ---------- accordion (aree formative) ---------- */
.accwrap{margin-top:34px}
.acc{background:#fff;border:1px solid var(--line);border-radius:16px;margin-top:12px;overflow:clip;transition:box-shadow .25s,border-color .25s}
.acc[open]{box-shadow:var(--shadow);border-color:#d4ddf0}
.acc summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:16px 20px;font-weight:800;color:var(--ink);font-size:1rem}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover{color:var(--accent)}
.acc .plus{margin-left:auto;width:30px;height:30px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:1.15rem;font-weight:800;transition:transform .3s;flex-shrink:0}
.acc[open] .plus{transform:rotate(45deg)}
.acc-body{padding:0 20px 18px;color:var(--ink2);font-size:.95rem;animation:accIn .35s cubic-bezier(.2,.7,.3,1)}
@keyframes accIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.acc-body p{margin-top:6px}
.acc-body ul{margin:10px 0 0 18px}
.acc-body li{margin:4px 0}
.acc-info{margin-top:16px;background:var(--accent-soft);border-radius:12px;padding:14px 16px;font-size:.9rem}
.acc-info b{color:var(--accent);display:block;margin-bottom:6px;letter-spacing:.08em;font-size:.72rem}
.acc-info ul{margin:0 0 0 18px}

/* ---------- faculty ---------- */
.faculty{display:grid;gap:14px;grid-template-columns:repeat(3,1fr);margin-top:38px}
@media(max-width:900px){.faculty{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.faculty{grid-template-columns:1fr}}
.fc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;display:flex;gap:13px;align-items:center;transition:transform .25s,box-shadow .25s,border-color .25s}
.fc:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d4ddf0}
.fc .av{width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:.95rem;display:grid;place-items:center;flex-shrink:0}
.fc b{display:block;font-size:.95rem;color:var(--ink);line-height:1.25}
.fc span span{font-size:.78rem;color:var(--muted);line-height:1.35;display:block;margin-top:2px}
@media(prefers-reduced-motion:reduce){.acc-body{animation:none}}

/* ---------- reveal allo scroll (varianti direzionali) ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .75s cubic-bezier(.2,.7,.3,1),transform .75s cubic-bezier(.2,.7,.3,1),filter .75s cubic-bezier(.2,.7,.3,1)}
.reveal.rv-l{transform:translateX(-42px)}
.reveal.rv-r{transform:translateX(42px)}
.reveal.rv-zoom{transform:scale(.9);filter:blur(6px)}
.reveal.in{opacity:1;transform:none;filter:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* tilt 3D leggero sulle card-link (JS) */
.link-card{transform-style:preserve-3d;will-change:transform}

@media(prefers-reduced-motion:reduce){
  .reveal,.hi{opacity:1;transform:none;filter:none;transition:none;animation:none}
  .blob{animation:none}
  .ph img{transform:none;transition:none}
  html{scroll-behavior:auto}
}