:root{
  --paper:#F4F5F6;--panel:#FFFFFF;--ink:#14181B;--ink-soft:#3d4348;
  --cyan:#00A6E4;--muted:#71767b;--line:#DEE1E3;
  --display:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"Instrument Sans",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace;
  --logo-light:block;--logo-dark:none;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#0C1013;--panel:#151B20;--ink:#E9EDF0;--ink-soft:#B4Bcc2;
  --cyan:#26B7F0;--muted:#7f878d;--line:#242C32;--logo-light:none;--logo-dark:block;
}}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:19px;
  line-height:1.66;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--cyan);color:#fff}
.wrap{max-width:920px;margin:0 auto;padding:0 clamp(20px,5vw,40px)}
.top{display:flex;justify-content:space-between;align-items:center;padding:22px 0;
  border-bottom:1px solid var(--line);margin-bottom:clamp(32px,6vw,64px)}
.logo img{height:26px;width:auto}
.logo .l-light{display:var(--logo-light)}.logo .l-dark{display:var(--logo-dark)}
.topnav{display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.top .back{font-family:var(--mono);font-size:15px;color:var(--muted);text-decoration:none;white-space:nowrap}
.top .back:hover{color:var(--cyan)}
.eyebrow{font-family:var(--mono);font-size:13.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);margin-bottom:22px}
/* placeholder cover */
.ph{display:flex;align-items:center;justify-content:center;background:
  linear-gradient(135deg,var(--cyan),#0a2a3a);height:100%}
.ph span{font-family:var(--display);font-weight:700;color:#fff;opacity:.85;
  font-size:clamp(20px,3vw,30px);letter-spacing:.02em}
/* --- indice --- */
.blog-index h1{font-family:var(--display);font-weight:800;letter-spacing:-.03em;
  font-size:clamp(30px,5vw,52px);line-height:1.02;max-width:16ch}
.blog-index .lead{color:var(--ink-soft);max-width:56ch;margin-top:20px;font-size:20px;line-height:1.6}
.grid{display:grid;grid-template-columns:1fr;gap:18px;margin:clamp(36px,5vw,56px) 0 80px}
@media(min-width:640px){.grid{grid-template-columns:1fr 1fr}}
.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;overflow:hidden;text-decoration:none;transition:transform .18s,border-color .18s}
.card:hover{transform:translateY(-3px);border-color:var(--cyan)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--line)}
.card-cover .cimg{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px}
.card-date{font-family:var(--mono);font-size:13px;color:var(--cyan);letter-spacing:.02em}
.card h2{font-family:var(--display);font-weight:600;font-size:21px;line-height:1.16;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:15.5px;line-height:1.55}
/* --- articolo --- */
.post{padding-bottom:80px}
.crumb{font-family:var(--mono);font-size:15px;color:var(--muted);text-decoration:none;display:inline-block;margin-bottom:26px}
.crumb:hover{color:var(--cyan)}
.post-date{font-family:var(--mono);font-size:15px;color:var(--cyan);margin-bottom:14px}
.post h1{font-family:var(--display);font-weight:800;letter-spacing:-.03em;
  font-size:clamp(30px,5vw,50px);line-height:1.03;max-width:24ch}
.post-cover{margin:clamp(28px,4vw,44px) 0 0;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);aspect-ratio:16/9;background:var(--line)}
.post-cover .cimg{width:100%;height:100%;object-fit:cover}
.prose{margin-top:clamp(28px,4vw,44px);max-width:66ch;font-size:19px;line-height:1.7}
.prose>*+*{margin-top:1.15em}
.prose h2{font-family:var(--display);font-weight:700;font-size:clamp(23px,3vw,30px);
  letter-spacing:-.015em;line-height:1.15;margin-top:1.9em}
.prose h3{font-family:var(--display);font-weight:600;font-size:21px;margin-top:1.6em}
.prose p,.prose li{color:var(--ink-soft)}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:2px}
.prose strong{color:var(--ink);font-weight:600}
.prose ul,.prose ol{padding-left:1.3em}.prose li{margin-top:.4em}
.prose img{border-radius:10px;border:1px solid var(--line);margin:1.4em 0}
.prose blockquote{border-left:3px solid var(--cyan);padding-left:18px;color:var(--muted);font-style:italic}
.fonte{display:inline-block;margin-top:34px;font-family:var(--mono);font-size:14.5px;
  color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:3px}
.fonte:hover{color:var(--ink);border-color:var(--cyan)}
.post-cta{margin-top:56px;padding:28px 30px;border:1px solid var(--line);border-radius:12px;
  background:var(--panel);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.post-cta p{font-family:var(--display);font-weight:600;font-size:21px;letter-spacing:-.01em;max-width:22ch}
.cta{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:15.5px;
  background:var(--ink);color:var(--paper);text-decoration:none;padding:15px 24px;border-radius:4px;
  transition:background .18s,transform .18s;white-space:nowrap}
.cta:hover{background:var(--cyan);color:#fff;transform:translateY(-2px)}
footer{max-width:920px;margin:0 auto;padding:36px clamp(20px,5vw,40px);border-top:1px solid var(--line);
  font-family:var(--mono);font-size:13.5px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer a{text-decoration:none}footer a:hover{color:var(--cyan)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
@media(max-width:640px){
  body{font-size:18px}
  .top{flex-wrap:wrap;gap:12px;margin-bottom:36px}
  .topnav{gap:20px}
  .prose{font-size:18px}
  .post h1{font-size:clamp(28px,8vw,40px)}
  .post-cta{flex-direction:column;align-items:flex-start;gap:16px}
  .post-cta .cta{width:100%;justify-content:center}
  footer{flex-direction:column;gap:8px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}