:root{
  --black:#111;--white:#fff;--offwhite:#f6f4f1;--border:#e6e3de;--muted:#55524c;
  --mkt:#6d3bb0;--mkt-d:#55298f;--mkt-t:#f2ecfa;
  --ai:#1f6f78;--ai-d:#16535a;--ai-t:#eaf3f4;
  --sic:#c8641e;--sic-d:#a24f16;--sic-t:#fbeee3;
  --dark:#14120f;--dark-t:#f6f4f1;--dark-b:#2c2a26;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --fs-h1:clamp(2.15rem,1.6rem+2.4vw,3.6rem);--fs-h2:clamp(1.7rem,1.35rem+1.5vw,2.6rem);
  --fs-h3:clamp(1.3rem,1.15rem+.7vw,1.7rem);--fs-lead:clamp(1.05rem,1rem+.3vw,1.25rem);
  --wrap:1160px;--narrow:780px;--pad:clamp(1.25rem,4vw,3rem);
  --sec:clamp(3.5rem,6vw,5.5rem);--r-sm:6px;--r-md:12px;--r-lg:20px;
  --accent:var(--black);--accent-d:#000;--accent-t:var(--offwhite);
}
body.area-mkt{--accent:var(--mkt);--accent-d:var(--mkt-d);--accent-t:var(--mkt-t)}
body.area-ai{--accent:var(--ai);--accent-d:var(--ai-d);--accent-t:var(--ai-t)}
body.area-sic{--accent:var(--sic);--accent-d:var(--sic-d);--accent-t:var(--sic-t)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--black);background:var(--white);line-height:1.62;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
h1,h2,h3,h4{line-height:1.15;letter-spacing:-.01em;font-weight:800}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad)}
.section{padding-block:var(--sec)}
.alt{background:var(--offwhite);border-block:1px solid var(--border)}
.overline{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--accent)}
.lead{font-size:var(--fs-lead);color:var(--muted);max-width:62ch}
h1{font-size:var(--fs-h1)}h2{font-size:var(--fs-h2)}h3{font-size:var(--fs-h3)}
.sec-head{max-width:var(--narrow);margin-bottom:2.4rem}
.sec-head h2{margin:.6rem 0}.sec-head p{color:var(--muted);font-size:1.05rem}
/* header */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:70px}
.brand img{height:36px;display:block}
.nav-links{display:flex;gap:20px;align-items:center;font-size:.92rem;font-weight:600}
.nav-links a.navl:hover,.nav-links a.navl[aria-current=page]{color:var(--accent)}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:11px 20px;border-radius:var(--r-sm);font-weight:700;font-size:.93rem;border:none;cursor:pointer;transition:background .18s}
.btn:hover{background:var(--accent-d)}
.btn.dark{background:var(--black)}.btn.dark:hover{background:#000}
.btn.ghost{background:transparent;color:var(--black);border:1.5px solid var(--black)}
.btn.ghost:hover{background:var(--black);color:#fff}
.menu-tog{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--black)}
@media(max-width:1024px){.nav-links{display:none}.menu-tog{display:block}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:var(--offwhite);border-bottom:1px solid var(--border);padding:18px var(--pad);gap:14px;font-size:1.1rem}}
/* hero */
.hero{padding-block:clamp(3.5rem,7vw,6rem)}
.hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero h1{margin:.7rem 0 1rem}
.hero .cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.6rem}
.hero .note{margin-top:1rem;font-size:.9rem;color:var(--muted)}
.hero-art svg{width:100%;height:auto;filter:drop-shadow(0 16px 36px rgba(0,0,0,.10))}
.hero.narrow .wrap{grid-template-columns:1fr;text-align:left}
@media(max-width:1024px){.hero .wrap{grid-template-columns:1fr;gap:2rem}.hero-art{max-width:460px}}
/* grids & cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
@media(max-width:1024px){.grid3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid3,.grid2{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:1.6rem;display:flex;flex-direction:column;gap:.5rem;transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 12px 28px rgba(17,17,17,.08)}
.card .ic{width:44px;height:44px;border-radius:var(--r-sm);background:var(--accent-t);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:.3rem}
.card .num{font-size:.72rem;font-weight:800;letter-spacing:.1em;color:var(--accent)}
.card h3{font-size:1.12rem}.card p{font-size:.95rem;color:var(--muted)}
.card .who{margin-top:.6rem;font-size:.83rem;color:var(--muted);border-top:1px dashed var(--border);padding-top:.6rem}
.card.entry{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.tag{display:inline-block;background:var(--accent-t);color:var(--accent-d);font-size:.68rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px;margin-bottom:.4rem;width:fit-content}
/* pillars (home) */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem}
@media(max-width:900px){.pillars{grid-template-columns:1fr}}
.pillar{border:1px solid var(--border);border-radius:14px;padding:1.9rem;background:#fff;display:flex;flex-direction:column}
.pillar .k{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.pillar h3{margin:.5rem 0 .6rem}.pillar p{color:var(--muted);flex:1;font-size:.96rem}.pillar .go{margin-top:1rem;font-weight:700}
.pillar.mkt{border-color:var(--mkt);box-shadow:0 0 0 1px var(--mkt)}.pillar.mkt .k,.pillar.mkt .go{color:var(--mkt)}
.pillar.ai .k,.pillar.ai .go{color:var(--ai)}.pillar.sic .k,.pillar.sic .go{color:var(--sic)}
.pillar .pic{width:46px;height:46px;margin-bottom:.5rem}
/* flow */
.flow{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;font-size:.9rem;font-weight:600;margin-top:1.4rem}
.flow span{background:#fff;border:1px solid var(--accent);color:var(--accent);padding:7px 13px;border-radius:30px}
.flow i{color:var(--muted);font-style:normal}
/* why / list */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
@media(max-width:900px){.why{grid-template-columns:1fr}}
.why .it{padding-left:16px;border-left:3px solid var(--accent)}
.why .it b{font-size:1.02rem}.why .it p{color:var(--muted);font-size:.94rem;margin-top:.2rem}
/* timeline */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:1rem}
@media(max-width:900px){.steps{grid-template-columns:1fr}}
.step .n{width:40px;height:40px;border-radius:50%;background:#fff;border:2px solid var(--accent);color:var(--accent);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:.7rem}
.step h4{font-size:1.05rem;margin-bottom:.2rem}.step p{color:var(--muted);font-size:.94rem}
/* band */
.band{background:var(--dark);color:#fff}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-block:3rem}
.band h2{max-width:640px;color:#fff}.band .date{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sic);font-weight:700}
.band p{color:#cfccc7;margin-top:.6rem;max-width:640px}
/* faq */
.faq{max-width:var(--narrow)}
.faq details{border-bottom:1px solid var(--border)}
.faq summary{padding:1.1rem 0;font-weight:700;font-size:1.05rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{padding-bottom:1.1rem;color:var(--muted);max-width:66ch}
/* quote / callout */
.quote{border-left:3px solid var(--accent);background:var(--offwhite);padding:1.4rem 1.8rem;border-radius:0 var(--r-md) var(--r-md) 0;max-width:var(--narrow);font-size:1.12rem;font-weight:600}
.problems{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
@media(max-width:900px){.problems{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.problems{grid-template-columns:1fr}}
.problem{background:#fff;border:1px solid var(--border);border-radius:10px;padding:1.1rem}
.problem b{display:block;margin-bottom:.3rem}.problem p{color:var(--muted);font-size:.9rem}
/* cta final */
.ctaf{text-align:center}.ctaf h2{max-width:720px;margin:.5rem auto .8rem}.ctaf p{color:var(--muted);max-width:560px;margin:0 auto 1.6rem;font-size:1.06rem}
.ctaf .btns{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap}
/* two-col info */
.split{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
@media(max-width:820px){.split{grid-template-columns:1fr}}
.panel{background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:1.6rem}
.panel h4{margin-bottom:.5rem}.panel ul{margin-left:1.1rem;color:var(--muted)}.panel li{margin-bottom:.35rem}
/* form */
.field{margin-bottom:1rem}.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.3rem}
.field input,.field select,.field textarea{width:100%;padding:.7rem .8rem;border:1px solid var(--border);border-radius:var(--r-sm);font-family:inherit;font-size:1rem;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
/* blog cards */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
@media(max-width:1000px){.posts{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.posts{grid-template-columns:1fr}}
.pcard{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,0,0,.07)}
.pcard .th{height:8px}.th.mkt{background:var(--mkt)}.th.ai{background:var(--ai)}.th.sic{background:var(--sic)}
.pcard .bd{padding:1.5rem;display:flex;flex-direction:column;flex:1}
.pcard .cat{font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.cat.mkt{color:var(--mkt)}.cat.ai{color:var(--ai)}.cat.sic{color:var(--sic)}
.pcard h3{font-size:1.15rem;margin:.5rem 0}.pcard p{color:var(--muted);font-size:.93rem;flex:1}
.pcard .dt{font-size:.8rem;color:var(--muted);margin-top:.8rem;border-top:1px solid var(--border);padding-top:.6rem}
/* footer */
footer{background:var(--dark);color:var(--dark-t);padding-block:3.2rem 1.8rem}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:1.6rem}
@media(max-width:820px){.foot{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.foot{grid-template-columns:1fr}}
.foot img{height:32px;filter:invert(1) brightness(1.7)}
.foot h5{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:#9a968f;margin-bottom:.7rem}
.foot a{display:block;color:#d9d6d0;opacity:.9;padding:.2rem 0;font-size:.92rem}
.foot a:hover{opacity:1;color:#fff}
.foot p{color:#9a968f;font-size:.9rem;margin-top:.5rem}
.foot .bot{grid-column:1/-1;border-top:1px solid var(--dark-b);margin-top:1.4rem;padding-top:1.1rem;font-size:.82rem;color:#7d7a74}
@media(prefers-reduced-motion:reduce){*{transition-duration:.01ms!important}}
/* ---- articoli blog ---- */
.article{max-width:740px;margin:0 auto;padding:3.2rem 24px 2.4rem}
.article .back{font-size:.9rem;font-weight:600;color:var(--muted)}
.article .back:hover{color:var(--accent)}
.article .cat{display:inline-block;margin:1.4rem 0 .6rem;font-size:.74rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.article h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.7rem}
.article .meta{color:var(--muted);font-size:.9rem;margin-bottom:2rem;padding-bottom:1.4rem;border-bottom:1px solid var(--border)}
.article p{margin:0 0 1.2rem;color:#3a3a3a;font-size:1.08rem}
.article h2{font-size:1.5rem;margin:2.2rem 0 .8rem}
.article h3{font-size:1.2rem;margin:1.6rem 0 .6rem}
.article ul{margin:0 0 1.2rem 1.4rem;color:#3a3a3a;font-size:1.08rem}.article li{margin-bottom:.5rem}
.article blockquote{border-left:3px solid var(--accent);padding:.4rem 0 .4rem 1.2rem;margin:1.6rem 0;font-size:1.15rem;color:var(--black);font-weight:600}
.article .callout{background:var(--offwhite);border:1px solid var(--border);border-radius:12px;padding:1.4rem;margin:1.8rem 0}
.article .sources{margin-top:2.4rem;padding-top:1.3rem;border-top:1px solid var(--border);font-size:.9rem;color:var(--muted)}
.article .sources a{color:var(--accent);word-break:break-word}
.article-cta{background:var(--offwhite);border-block:1px solid var(--border);text-align:center;padding:3.2rem 24px;margin-top:2.6rem}
.article-cta h3{font-size:1.5rem;margin-bottom:.7rem}.article-cta p{color:#3a3a3a;max-width:520px;margin:0 auto 1.4rem}
.page-head{padding:3.4rem 0 2rem;border-bottom:1px solid var(--border)}