/* NiConcierge · Blog — stile condiviso (palette landing: grafite + salvia) */
:root{
  --graphite:#1B2430;--deepest:#141B24;
  --ink:#1E2730;--paper:#F3F4F1;--paper2:#E9ECE6;--muted:#68727A;
  --sage:#93C0A3;--sage-d:#3F6E51;--sage-mid:#6FA582;--sageink:#122019;
  --line:rgba(30,39,48,.12);--mono:'Space Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Hanken Grotesk',system-ui,sans-serif;background:var(--paper);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
.serif{font-family:Georgia,'Times New Roman',serif;font-weight:400}
a{color:var(--sage-d)}
img{max-width:100%}
/* NAV */
nav.top{position:sticky;top:0;z-index:50;background:rgba(243,244,241,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
nav.top .wrap{max-width:1080px;margin:0 auto;padding:0 1.4rem;display:flex;align-items:center;gap:1rem;height:64px}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:800;font-size:1.05rem;letter-spacing:-.01em;text-decoration:none}
.logo .wm{display:inline-flex;flex-direction:column;line-height:1}
.logo .p-ni{color:var(--ink)}.logo .p-co{color:var(--sage-d)}
.logo small{font-family:var(--mono);font-size:.56rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:400;line-height:1;margin-top:2px}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:1.4rem}
.nav-links a.txt{font-size:.86rem;font-weight:600;text-decoration:none;color:var(--ink);opacity:.8}
.nav-links a.txt:hover{opacity:1}
.nav-cta{padding:.55rem 1.15rem;background:var(--graphite);color:var(--paper);border-radius:999px;font-size:.82rem;font-weight:700;text-decoration:none}
.nav-cta:hover{background:var(--deepest)}
@media(max-width:640px){.nav-links a.txt:not(.keep){display:none}}
/* WRAPPERS */
.wrap{max-width:1080px;margin:0 auto;padding:0 1.4rem}
.narrow{max-width:720px;margin:0 auto;padding:0 1.4rem}
.kicker{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sage-d);font-weight:700}
/* BLOG INDEX */
.bhero{padding:3.4rem 0 1.6rem;text-align:center}
.bhero h1{font-size:2.5rem;line-height:1.1;margin:.5rem 0 .6rem;color:var(--ink)}
.bhero p{color:var(--muted);max-width:560px;margin:0 auto;font-size:1.05rem}
.posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding:1.5rem 0 4rem}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;text-decoration:none;color:inherit;transition:transform .14s,box-shadow .2s,border-color .2s}
.pcard:hover{transform:translateY(-3px);box-shadow:0 18px 40px -26px rgba(30,39,48,.5);border-color:var(--sage-d)}
.pcat{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sage-d);font-weight:700}
.pcard h2{font-size:1.28rem;line-height:1.25;margin:.5rem 0 .5rem;color:var(--ink)}
.pcard p{font-size:.92rem;color:var(--muted);flex:1}
.pmeta{font-family:var(--mono);font-size:.7rem;color:var(--muted);margin-top:1rem;letter-spacing:.03em}
.pmore{color:var(--sage-d);font-weight:700;font-size:.9rem;margin-top:.8rem}
/* ARTICLE */
article.post{padding:2.6rem 0 1rem}
.crumb{font-family:var(--mono);font-size:.72rem;color:var(--muted);margin-bottom:1.2rem}
.crumb a{color:var(--muted);text-decoration:none}.crumb a:hover{color:var(--sage-d)}
.post h1{font-size:2.5rem;line-height:1.12;color:var(--ink);margin:.4rem 0 .8rem;letter-spacing:-.01em}
.byline{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;font-size:.86rem;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:1.4rem;margin-bottom:1.8rem}
.byline .who{font-weight:700;color:var(--ink)}
.byline .dot{opacity:.4}
.prose{font-size:1.07rem}
.prose p{margin:0 0 1.25rem}
.prose .lead{font-size:1.22rem;line-height:1.55;color:var(--ink)}
.prose h2{font-family:Georgia,serif;font-weight:400;font-size:1.7rem;line-height:1.2;margin:2.4rem 0 .9rem;color:var(--ink)}
.prose h3{font-size:1.18rem;margin:1.8rem 0 .6rem;color:var(--ink)}
.prose ul,.prose ol{margin:0 0 1.25rem;padding-left:1.3rem}
.prose li{margin:.4rem 0}
.prose strong{color:var(--sageink)}
.prose blockquote{border-left:4px solid var(--sage-d);background:#fff;border-radius:0 12px 12px 0;padding:1rem 1.3rem;margin:1.6rem 0;font-size:1.12rem;color:var(--ink)}
.prose .stat{display:flex;flex-wrap:wrap;gap:14px;margin:1.6rem 0}
.prose .stat div{flex:1;min-width:150px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.prose .stat b{display:block;font-size:1.9rem;font-weight:800;color:var(--sage-d);line-height:1}
.prose .stat span{font-size:.82rem;color:var(--muted)}
.post-cta{background:var(--graphite);color:var(--paper);border-radius:20px;padding:2.2rem;text-align:center;margin:2.8rem 0 1rem}
.post-cta h3{font-family:Georgia,serif;font-weight:400;font-size:1.6rem;color:#fff;margin-bottom:.5rem}
.post-cta p{color:#c3ccc7;font-size:.98rem;max-width:520px;margin:0 auto 1.3rem}
.post-cta .btn{display:inline-block;background:var(--sage);color:var(--sageink);font-weight:700;padding:.9rem 1.7rem;border-radius:999px;text-decoration:none;font-size:.92rem}
.post-cta .btn:hover{background:#a6cfb4}
.backrow{padding:1rem 0 3rem}
.backrow a{font-weight:700;text-decoration:none;font-size:.92rem}
/* FOOTER */
footer{border-top:1px solid var(--line);padding:2.2rem 0;margin-top:2rem;font-size:.86rem;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:space-between}
footer a{text-decoration:none}
@media(max-width:600px){.bhero h1,.post h1{font-size:2rem}.prose{font-size:1.02rem}}
/* Confronto a due colonne (chatbot vs concierge) */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:1.7rem 0}
.vs .col{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.vs .col.con{border-color:var(--sage-d);box-shadow:0 14px 34px -24px rgba(63,110,81,.55)}
.vs .lab{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;margin-bottom:.55rem}
.vs .col.bot .lab{color:var(--muted)}
.vs .col.con .lab{color:var(--sage-d)}
.vs .col p{font-size:.92rem;line-height:1.55;margin:0;color:var(--ink)}
.vs .q{font-size:.86rem;color:var(--muted);margin:.6rem 0 1.1rem;font-style:italic}
@media(max-width:600px){.vs{grid-template-columns:1fr}}