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}
/* Font families are served from Google Fonts.
   Space Grotesk  — display / headings
   Geist          — body / UI
   JetBrains Mono — labels, code, counters */

:root{
  /* --- Base neutrals: near-black with a cold cast --- */
  --ink-950:#08080B; --ink-900:#0A0A0E; --ink-850:#101017; --ink-800:#14141C;
  --ink-700:#1D1D28; --ink-600:#2A2A38; --ink-500:#3C3C4E;
  --ink-400:#6B6B82; --ink-300:#9A9AB0; --ink-200:#C6C6D4; --ink-100:#E6E6EE; --ink-000:#FFFFFF;

  /* --- Brand --- */
  --viola-500:#5B4DF5;   /* the dot on the signature — primary accent */
  --viola-400:#7A6FF7;
  --viola-600:#4437D9;
  --viola-glow:rgba(91,77,245,.45);
  --giallo-500:#F5D400;  /* from the portrait background — secondary accent */
  --giallo-600:#D8BC00;
  --navy-700:#1B2A6B;    /* from the portrait shirt — deep tint */

  /* --- Semantic: surfaces --- */
  --surface-page:var(--ink-900);
  --surface-raised:var(--ink-850);
  --surface-card:var(--ink-800);
  --surface-inset:var(--ink-950);
  --surface-invert:var(--ink-000);
  --surface-glass:rgba(20,20,28,.62);

  /* --- Semantic: text --- */
  --text-strong:var(--ink-000);
  --text-body:var(--ink-200);
  --text-muted:var(--ink-400);
  --text-accent:var(--viola-400);
  --text-on-accent:var(--ink-000);
  --text-on-invert:var(--ink-900);

  /* --- Semantic: lines --- */
  --line-hairline:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.14);
  --line-strong:rgba(255,255,255,.28);

  /* --- Semantic: interactive --- */
  --action-primary:var(--viola-500);
  --action-primary-hover:var(--viola-400);
  --action-primary-press:var(--viola-600);
  --action-secondary:rgba(255,255,255,.06);
  --action-secondary-hover:rgba(255,255,255,.11);
  --focus-ring:var(--viola-400);

  /* --- Status --- */
  --status-ok:#3BE0A0; --status-warn:var(--giallo-500); --status-error:#FF5C6B; --status-info:var(--viola-400);
}

:root{
  --font-display:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Geist","Space Grotesk",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,monospace;

  /* display scale — clamped, for hero and section openers */
  --text-hero:clamp(44px,7vw,104px);
  --text-d1:clamp(36px,4.6vw,68px);
  --text-d2:clamp(30px,3.2vw,46px);
  --text-h1:34px; --text-h2:26px; --text-h3:20px;
  --text-lg:19px; --text-md:16px; --text-sm:14px; --text-xs:12px;

  --leading-tight:0.94; --leading-snug:1.15; --leading-normal:1.5; --leading-loose:1.65;
  --tracking-display:-0.035em; --tracking-tight:-0.015em; --tracking-normal:0; --tracking-label:0.14em;

  --weight-light:300; --weight-regular:400; --weight-medium:500; --weight-semibold:600; --weight-bold:700;

  /* the recurring mono eyebrow label */
  --label-size:11px; --label-tracking:var(--tracking-label); --label-transform:uppercase; /* @kind other */
}

:root{
  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px; --space-5:24px;
  --space-6:32px; --space-7:48px; --space-8:64px; --space-9:96px; --space-10:128px; --space-11:180px;
  --gutter:clamp(20px,4vw,64px); /* @kind spacing */
  --measure:66ch; /* @kind other */
  --container:1280px; --container-narrow:820px;
  --section-y:clamp(80px,11vw,180px); /* @kind spacing */
}

:root{
  --radius-xs:4px; --radius-sm:8px; --radius-md:12px; --radius-lg:18px; --radius-xl:28px; --radius-pill:999px; --radius-round:50%;
  --border-hairline:1px; --border-strong:1.5px;
}

:root{
  --shadow-sm:0 1px 2px rgba(0,0,0,.5);
  --shadow-md:0 8px 24px -8px rgba(0,0,0,.7);
  --shadow-lg:0 28px 70px -24px rgba(0,0,0,.85);
  --shadow-glow:0 14px 44px -14px var(--viola-glow);
  --shadow-inset-hairline:inset 0 1px 0 rgba(255,255,255,.06);
  --blur-glass:18px; /* @kind other */
  --grain-opacity:.045; /* @kind other */
}

:root{
  --ease-out:cubic-bezier(.22,1,.36,1); /* @kind other */
  --ease-in-out:cubic-bezier(.65,0,.35,1); /* @kind other */
  --ease-spring:cubic-bezier(.34,1.56,.64,1); /* @kind other */
  --dur-instant:90ms; /* @kind other */
  --dur-fast:180ms; /* @kind other */
  --dur-base:320ms; /* @kind other */
  --dur-slow:620ms; /* @kind other */
  --dur-reveal:900ms; /* @kind other */
  --reveal-y:28px; /* @kind spacing */
  --stagger:70ms; /* @kind other */
}
@media (prefers-reduced-motion:reduce){:root{
  --dur-instant:0ms; /* @kind other */
  --dur-fast:0ms; /* @kind other */
  --dur-base:0ms; /* @kind other */
  --dur-slow:0ms; /* @kind other */
  --dur-reveal:0ms; /* @kind other */
  --reveal-y:0px; /* @kind spacing */
}}


/* ---------------------------------------------------------------------------
   Base
   --------------------------------------------------------------------------- */
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--surface-page);color:var(--text-body);font-family:var(--font-body);overflow-x:hidden;line-height:var(--leading-normal)}
body:before{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:var(--grain-opacity);
  background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0naHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmcnIHdpZHRoPScxNDAnIGhlaWdodD0nMTQwJz48ZmlsdGVyIGlkPSduJz48ZmVUdXJidWxlbmNlIHR5cGU9J2ZyYWN0YWxOb2lzZScgYmFzZUZyZXF1ZW5jeT0nLjg1JyBudW1PY3RhdmVzPSczJy8+PC9maWx0ZXI+PHJlY3Qgd2lkdGg9JzE0MCcgaGVpZ2h0PScxNDAnIGZpbHRlcj0ndXJsKCNuKScvPjwvc3ZnPg==")}
a{color:var(--text-accent);text-decoration:none}a:hover{color:var(--ink-000)}
h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}
::selection{background:var(--viola-500);color:#fff}
:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px}
img{max-width:100%;height:auto}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:var(--gutter);top:-60px;z-index:300;background:var(--viola-500);color:#fff;padding:10px 16px;border-radius:var(--radius-pill)}
.skip:focus{top:12px;color:#fff}

/* layout */
.section{position:relative;z-index:2;padding:var(--section-y) var(--gutter);max-width:var(--container);margin:0 auto}
.section.tight-top{padding-top:0}
.narrow{max-width:var(--container-narrow)}
.d1{margin:var(--space-6) 0 0;font-family:var(--font-display);font-size:var(--text-d1);font-weight:var(--weight-semibold);
  letter-spacing:var(--tracking-display);line-height:1.02;color:var(--text-strong)}
.lead{margin:var(--space-4) 0 0;font-size:var(--text-lg);color:var(--text-muted);max-width:56ch;line-height:var(--leading-normal)}
.prose{font-size:var(--text-lg);line-height:var(--leading-loose);color:var(--text-body);max-width:66ch}
.prose p{margin:0 0 var(--space-4)}
.prose strong{color:var(--text-strong);font-weight:var(--weight-semibold)}
.prose ul,.prose ol{margin:0 0 var(--space-4);padding-left:1.1em}.prose li{margin-bottom:var(--space-3)}
.prose li::marker{color:var(--viola-400)}
.prose h2{margin:var(--space-8) 0 var(--space-4);font-family:var(--font-display);font-size:var(--text-d2);font-weight:var(--weight-semibold);
  letter-spacing:var(--tracking-display);line-height:1.08;color:var(--text-strong)}
.prose h3{margin:var(--space-6) 0 var(--space-3);font-family:var(--font-display);font-size:var(--text-h3);font-weight:var(--weight-semibold);color:var(--text-strong)}
.grid-2{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:var(--space-9);align-items:start}
.grid-half{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--space-9);align-items:start}
@media (max-width:879px){.grid-2,.grid-half{grid-template-columns:1fr;gap:var(--space-7)}}

/* SectionLabel */
.label{display:flex;align-items:center;gap:var(--space-3);font-family:var(--font-mono);font-size:var(--label-size);
  letter-spacing:var(--label-tracking);text-transform:uppercase;color:var(--text-muted);margin:0}
.label b{color:var(--viola-400);font-weight:400}
.label:before{content:"";order:1;width:28px;height:1px;background:var(--line-soft)}
.label b{order:0}.label span{order:2}

/* Badge / Tag */
.badge{display:inline-flex;align-items:center;gap:var(--space-2);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--status-ok)}
.badge:before,.dot:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 10px currentColor}
.tags{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-6);padding:0;list-style:none}
.tag{display:inline-flex;align-items:center;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.04em;
  padding:6px 12px;border-radius:var(--radius-pill);border:1px solid var(--line-soft);background:var(--action-secondary);color:var(--text-body)}
.tag.accent{color:var(--viola-400);border-color:rgba(91,77,245,.4);background:rgba(91,77,245,.12)}
.tag.giallo{color:var(--giallo-500);border-color:rgba(245,212,0,.35);background:rgba(245,212,0,.10)}

/* Button */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-family:var(--font-body);font-weight:var(--weight-medium);
  border-radius:var(--radius-pill);border:1px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;
  font-size:var(--text-md);padding:13px 24px;background:var(--action-primary);color:var(--text-on-accent);box-shadow:var(--shadow-glow);
  transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out),transform var(--dur-instant) var(--ease-out)}
.btn:hover{background:var(--action-primary-hover);color:var(--text-on-accent)}
.btn:active{transform:scale(.97)}
.btn[disabled]{opacity:.4;pointer-events:none}
.btn.sm{font-size:var(--text-sm);padding:9px 16px}
.btn.lg{font-size:var(--text-lg);padding:17px 32px}
.btn.secondary{background:var(--action-secondary);color:var(--text-strong);border-color:var(--line-soft);box-shadow:none}
.btn.secondary:hover{background:var(--action-secondary-hover);border-color:var(--line-strong)}
.btn.giallo{background:var(--giallo-500);color:var(--ink-900);box-shadow:none}
.btn.giallo:hover{background:var(--giallo-600);color:var(--ink-900)}
.actions{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-7)}

/* Card / SkillCard */
.card{background:var(--surface-card);border:1px solid var(--line-hairline);border-radius:var(--radius-lg);padding:var(--space-6);box-shadow:var(--shadow-md)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--space-4);margin-top:var(--space-7);padding:0;list-style:none}
.skill{position:relative;overflow:hidden;height:100%;display:flex;flex-direction:column;gap:var(--space-3);
  transition:transform var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out)}
.skill:after{content:"";position:absolute;inset:-40% -40% auto auto;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,var(--viola-glow),transparent 70%);opacity:0;transition:opacity var(--dur-slow) var(--ease-out);pointer-events:none}
.skill:hover,a.skill:focus-visible{transform:translateY(-3px);border-color:var(--line-soft);box-shadow:var(--shadow-lg)}
.skill:hover:after{opacity:1}
.skill-top{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);color:var(--text-muted);transition:color var(--dur-base) var(--ease-out)}
.skill:hover .skill-top{color:var(--viola-400)}
.skill-top svg{width:20px;height:20px}
.skill-top small{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--ink-500)}
.skill h2,.skill h3{margin:0;font-family:var(--font-display);font-size:var(--text-h3);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-tight);color:var(--text-strong);position:relative;z-index:1}
.skill p{margin:0;font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--text-muted);position:relative;z-index:1}
.chips{display:flex;flex-wrap:wrap;gap:var(--space-2);margin:var(--space-2) 0 0;padding:0;list-style:none;position:relative;z-index:1}
.chips li{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted);border:1px solid var(--line-hairline);border-radius:var(--radius-pill);padding:4px 10px}

/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:50;padding:var(--space-4) var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:var(--space-5);
  border-bottom:1px solid transparent;transition:background var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out)}
.header.scrolled,.header.open{background:var(--surface-glass);-webkit-backdrop-filter:blur(var(--blur-glass));backdrop-filter:blur(var(--blur-glass));border-bottom-color:var(--line-hairline)}
.header .logo img{height:42px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:var(--space-6)}
.nav a{position:relative;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);padding-bottom:4px;transition:color var(--dur-fast) var(--ease-out)}
.nav a:after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--viola-500);transition:width var(--dur-base) var(--ease-out)}
.nav a:hover,.nav a[aria-current]{color:var(--text-strong)}.nav a:hover:after,.nav a[aria-current]:after{width:100%}
.header-right{display:flex;align-items:center;gap:var(--space-3)}
.burger{display:none;flex-direction:column;gap:5px;padding:10px;margin:-10px;background:none;border:0;cursor:pointer}
.burger span{display:block;width:20px;height:1.5px;background:var(--text-strong);border-radius:2px;transition:transform var(--dur-base) var(--ease-out),opacity var(--dur-fast) var(--ease-out)}
.header.open .burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.header.open .burger span:nth-child(2){opacity:0}
.header.open .burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media (max-width:879px){
  .burger{display:flex}
  .nav{display:none;position:fixed;top:var(--header-h,74px);left:0;right:0;flex-direction:column;align-items:flex-start;gap:var(--space-5);
    padding:var(--space-5) var(--gutter) var(--space-6);background:var(--surface-glass);-webkit-backdrop-filter:blur(var(--blur-glass));backdrop-filter:blur(var(--blur-glass));border-bottom:1px solid var(--line-hairline)}
  .header.open .nav{display:flex}
  .nav a{font-size:var(--text-sm);color:var(--text-strong)}
  .header.open{-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(20,20,28,.94)}
}

/* Hero */
.hero{position:relative;z-index:0;min-height:100vh;display:flex;align-items:center;padding:140px var(--gutter) var(--space-9)}
.hero-scene{position:absolute;inset:0;z-index:0}
.hero-scene canvas{width:100%;height:100%;display:block}
.hero-fade{position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(60% 60% at 50% 55%,transparent 30%,var(--surface-page) 88%)}
.hero-inner{position:relative;z-index:2;max-width:var(--container);margin:0 auto;width:100%;transform-origin:50% 30%}
.hero h1{margin:var(--space-5) 0 0;font-family:var(--font-display);font-size:clamp(36px,5.2vw,72px);font-weight:var(--weight-bold);
  line-height:var(--leading-snug);letter-spacing:var(--tracking-display);color:var(--text-strong);max-width:18ch}
.hero h1 i{font-style:normal;color:var(--viola-500)}
.hero-sub{margin:var(--space-6) 0 0;max-width:38ch;font-family:var(--font-display);font-size:clamp(22px,2.3vw,32px);font-weight:var(--weight-medium);
  line-height:1.2;letter-spacing:var(--tracking-tight);color:var(--text-body)}
.hero-sub strong{color:var(--text-strong);font-weight:inherit}
.stats{display:flex;gap:var(--space-7);margin:var(--space-8) 0 0;flex-wrap:wrap}
.stats div{display:flex;flex-direction:column-reverse}
.stats dt{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted)}
.stats dd{margin:0;font-family:var(--font-display);font-size:32px;font-weight:600;color:var(--text-strong)}

/* Portrait */
.portrait{position:relative}
.portrait:before{content:"";position:absolute;inset:-8% -8% auto auto;width:86%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,var(--viola-glow),transparent 68%);filter:blur(6px)}
.portrait img{position:relative;width:100%;display:block;filter:drop-shadow(0 30px 60px rgba(0,0,0,.6))}

/* Case cards */
.case-card{text-decoration:none;color:inherit}
.case-card .eyebrow{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--viola-400);position:relative;z-index:1}
.case-card .more,.skill .more{margin-top:auto;padding-top:var(--space-3);font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--text-strong);position:relative;z-index:1}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:1px;margin:var(--space-2) 0 0;background:var(--line-hairline);
  border:1px solid var(--line-hairline);border-radius:var(--radius-md);overflow:hidden;position:relative;z-index:1}
.metrics div{background:var(--surface-inset);padding:var(--space-4);display:flex;flex-direction:column-reverse;gap:4px}
.metrics dt{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}
.metrics dd{margin:0;font-family:var(--font-display);font-size:26px;font-weight:600;color:var(--text-strong);letter-spacing:var(--tracking-tight)}
.metrics.big dd{font-size:clamp(28px,3vw,40px)}
.metrics.big div{padding:var(--space-5)}

/* Stack grid */
.stack{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1px;margin:var(--space-6) 0 0;padding:0;list-style:none;
  background:var(--line-hairline);border:1px solid var(--line-hairline);border-radius:var(--radius-lg);overflow:hidden}
.stack li{background:var(--surface-page);padding:var(--space-5);display:flex;flex-direction:column;gap:6px}
.stack b{font-family:var(--font-display);font-size:var(--text-md);font-weight:600;color:var(--text-strong)}
.stack span{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-500)}

/* Steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--space-4);margin:var(--space-7) 0 0;padding:0;list-style:none}
.steps li{counter-increment:s;border-top:1px solid var(--line-soft);padding-top:var(--space-5)}
.steps li:before{content:"0" counter(s);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--viola-400)}
.steps h3{margin:var(--space-3) 0 var(--space-2);font-family:var(--font-display);font-size:var(--text-h3);color:var(--text-strong)}
.steps p{margin:0;color:var(--text-muted);font-size:var(--text-md)}

/* FAQ */
.faq{margin-top:var(--space-7);border-top:1px solid var(--line-hairline)}
.faq details{border-bottom:1px solid var(--line-hairline)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:var(--space-5);padding:var(--space-5) 0;
  font-family:var(--font-display);font-size:var(--text-h3);font-weight:var(--weight-medium);color:var(--text-strong)}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";font-family:var(--font-mono);color:var(--viola-400);transition:transform var(--dur-base) var(--ease-out)}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq details p{margin:0 0 var(--space-5);max-width:70ch;color:var(--text-body);font-size:var(--text-md);line-height:var(--leading-loose)}

/* Tables & callouts (case pages) */
.table-wrap{overflow-x:auto;margin:var(--space-5) 0 var(--space-6);border:1px solid var(--line-hairline);border-radius:var(--radius-md)}
table{width:100%;border-collapse:collapse;font-size:var(--text-md)}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-hairline)}
thead th{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-weight:400;background:var(--surface-inset)}
tbody th{font-weight:400;color:var(--text-body)}
td{text-align:right;color:var(--text-strong);font-variant-numeric:tabular-nums;white-space:nowrap}
tr:last-child th,tr:last-child td{border-bottom:0}
.facts{display:grid;grid-template-columns:auto 1fr;gap:0;margin:var(--space-7) 0 0;border-top:1px solid var(--line-hairline)}
.facts dt,.facts dd{margin:0;padding:12px 0;border-bottom:1px solid var(--line-hairline)}
.facts dt{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);padding-right:var(--space-6)}
.facts dd{color:var(--text-strong)}
.callout{margin:var(--space-6) 0;padding:var(--space-5) var(--space-6);border-left:3px solid var(--viola-500);background:var(--surface-card);border-radius:0 var(--radius-md) var(--radius-md) 0}
.callout.giallo{border-left-color:var(--giallo-500)}
.callout b{display:block;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:var(--space-2);font-weight:400}
.callout p{margin:0}
figure{margin:var(--space-6) 0}
figure img{display:block;border-radius:var(--radius-md);border:1px solid var(--line-hairline);background:#fff}
figcaption{margin-top:var(--space-3);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted)}
.crumbs{display:flex;flex-wrap:wrap;gap:var(--space-2);margin:0 0 var(--space-6);padding:0;list-style:none;font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted)}
.crumbs li+li:before{content:"/";margin-right:var(--space-2);color:var(--ink-500)}
.crumbs a{color:var(--text-muted)}.crumbs a:hover{color:var(--text-strong)}
.byline{margin-top:var(--space-5);font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted);letter-spacing:.04em}
.page-head{padding-top:clamp(130px,16vw,190px)}
.page-head h1{margin:0;font-family:var(--font-display);font-size:var(--text-d1);font-weight:var(--weight-semibold);letter-spacing:var(--tracking-display);line-height:1.04;color:var(--text-strong);max-width:22ch}
.cta{margin-top:var(--space-9)}

/* Form */
.form{display:flex;flex-direction:column;gap:var(--space-4)}
.form .row{display:flex;gap:var(--space-4);flex-wrap:wrap}.form .row>*{flex:1 1 200px}
.field{display:flex;flex-direction:column;gap:var(--space-2);width:100%}
.field>span{font-family:var(--font-mono);font-size:var(--label-size);letter-spacing:var(--label-tracking);text-transform:uppercase;color:var(--text-muted)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:var(--text-md);color:var(--text-strong);background:var(--surface-inset);
  border:1px solid var(--line-hairline);border-radius:var(--radius-md);padding:14px 16px;outline:none;
  transition:border-color var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--focus-ring);box-shadow:0 0 0 3px rgba(91,77,245,.18)}
.field select{appearance:none;padding-right:44px;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' stroke='%236B6B82' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center}
.field option{background:var(--ink-850)}
.field textarea{resize:vertical;line-height:var(--leading-normal)}
.check{display:flex;align-items:flex-start;gap:var(--space-3);cursor:pointer;font-size:var(--text-xs);line-height:var(--leading-normal);color:var(--text-body)}
.check input{appearance:none;flex:0 0 20px;width:20px;height:20px;margin:0;border-radius:var(--radius-xs);background:var(--surface-inset) no-repeat center;
  border:1px solid var(--line-soft);cursor:pointer;transition:background-color var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out)}
.check input:checked{background-color:var(--action-primary);border-color:var(--action-primary);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none'%3E%3Cpath d='M2.5 6.2 4.8 8.5 9.5 3.8' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-msg{border-radius:var(--radius-md);padding:var(--space-4) var(--space-5);font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--text-strong)}
.form-msg.error{border:1px solid rgba(255,92,107,.45);background:rgba(255,92,107,.10)}
.form-msg.error a{color:inherit}
.form-msg.ok{display:flex;flex-direction:column;align-items:flex-start;gap:var(--space-3);border:1px solid rgba(59,224,160,.4);background:rgba(59,224,160,.08);outline:none}
.form-msg.ok strong{display:flex;align-items:center;gap:var(--space-3);font-family:var(--font-display);font-size:var(--text-lg)}
.form-msg.ok strong:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--status-ok);box-shadow:0 0 10px var(--status-ok)}
.form-msg.ok p{margin:0;color:var(--text-body)}

/* Game */
.game-head{display:flex;flex-wrap:wrap;gap:var(--space-5);align-items:flex-end;justify-content:space-between;margin-top:var(--space-6)}
.game-head h2{margin:0;max-width:18ch}
.score{display:flex;gap:var(--space-4);align-items:center}
.score small{display:block;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted);letter-spacing:.1em}
.score output{display:block;font-family:var(--font-display);font-size:30px;color:var(--text-strong)}
.score output.y{color:var(--giallo-500)}
.game{position:relative;margin-top:var(--space-6);border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line-hairline);box-shadow:var(--shadow-lg);background:var(--surface-inset)}
.game canvas{display:block;width:100%;height:min(460px,62vh);touch-action:none}
.game-cover{position:absolute;inset:0;display:grid;place-items:center;background:rgba(8,8,11,.6);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);text-align:center}
.game-cover[hidden]{display:none}
.game-cover>div{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);padding:var(--space-5)}
.game-cover strong{font-family:var(--font-display);font-size:26px;color:var(--text-strong);font-weight:500}
.game-cover span{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted);letter-spacing:.08em}

/* Footer */
.footer{position:relative;z-index:2;border-top:1px solid var(--line-hairline);padding:var(--space-8) var(--gutter) var(--space-6);display:flex;flex-wrap:wrap;gap:var(--space-6);justify-content:space-between;align-items:flex-end}
.footer-l{display:flex;flex-direction:column;gap:var(--space-4)}
.footer-l img{height:40px;width:auto;display:block;align-self:flex-start}
.footer-l a{font-family:var(--font-display);font-size:var(--text-h3);color:var(--text-strong);letter-spacing:var(--tracking-tight)}
.footer-r{display:flex;flex-direction:column;gap:var(--space-3);align-items:flex-end}
.footer-r nav{display:flex;flex-wrap:wrap;gap:var(--space-5)}
.footer-r nav a{font-family:var(--font-mono);font-size:var(--text-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted)}
.footer-r nav a:hover{color:var(--text-strong)}
.footer-r small{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--ink-500)}
@media (max-width:640px){.footer-r{align-items:flex-start}}

/* Reveal: nascosto solo se JS e' attivo, cosi' senza JS (e per i crawler) il testo c'e' sempre */
.js .reveal{opacity:0;transform:translateY(var(--reveal-y));filter:blur(14px);
  transition:opacity var(--dur-reveal) var(--ease-out),transform var(--dur-reveal) var(--ease-out),filter var(--dur-reveal) var(--ease-out);transition-delay:var(--d,0ms)}
.js .reveal.seen{opacity:1;transform:none;filter:none}

/* Cursor */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;border-radius:50%;pointer-events:none}
.cursor-dot{width:14px;height:14px;background:var(--viola-500);z-index:9999;mix-blend-mode:screen}
.cursor-ring{width:52px;height:52px;border:1px solid var(--line-strong);z-index:9998}

/* Nelle card dei casi le metriche sono sempre tre: griglia fissa, niente celle vuote. */
.case-card .metrics{grid-template-columns:repeat(3,minmax(0,1fr))}
.case-card .metrics div{padding:var(--space-3)}
.case-card .metrics dd{font-size:clamp(16px,1.35vw,21px)}
.case-card .metrics dt{font-size:10px}
/* Casi studio in 2×2: con quattro card la griglia a tre ne lascerebbe una da sola. */
@media (min-width:880px){.cards.cases{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Fascia Google Partner + credito, sopra il footer di ogni pagina */
.partner-cta{position:relative;z-index:2;padding:0 var(--gutter) var(--space-9)}
.partner-cta-inner{max-width:var(--container);margin:0 auto;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:var(--space-7);align-items:center;
  background:var(--surface-card);border:1px solid var(--line-hairline);border-radius:var(--radius-xl);padding:var(--space-7);box-shadow:var(--shadow-md)}
.partner-badge{display:block;background:#fff;border-radius:var(--radius-md);padding:6px;line-height:0}
.partner-badge img{width:112px;height:auto;display:block}
.partner-cta h2{margin:var(--space-3) 0 var(--space-2);font-family:var(--font-display);font-size:var(--text-h2);font-weight:var(--weight-semibold);
  letter-spacing:var(--tracking-tight);line-height:1.2;color:var(--text-strong);max-width:30ch}
.partner-cta-text>p:last-child{margin:0;font-size:var(--text-sm);color:var(--text-muted);max-width:60ch}
@media (max-width:879px){.partner-cta-inner{grid-template-columns:1fr;gap:var(--space-5);padding:var(--space-6)}.partner-badge{justify-self:start}}

/* Badge Google Partner piccolo nella hero, allineato ai numeri */
.hero-proof{display:flex;flex-wrap:wrap;align-items:flex-end;gap:var(--space-7);margin-top:var(--space-8)}
.hero-proof .stats{margin:0}
.hero-badge{padding:4px}
.hero-badge img{width:68px}
@media (max-width:879px){.hero-proof{margin-top:var(--space-7);gap:var(--space-5)}.hero-badge img{width:58px}}
@media (max-width:879px){.partner-cta .partner-badge img{width:84px}}

/* Numero dispari di casi: l'ultimo occupa tutta la riga invece di restare da solo */
@media (min-width:880px){.cards.cases>li:last-child:nth-child(odd){grid-column:1/-1}}

/* Hero compatta: titolo, testo, pulsanti, numeri e badge stanno nella prima schermata */
.hero{padding:112px var(--gutter) var(--space-7)}
.hero h1{font-size:clamp(34px,4.3vw,60px);max-width:22ch;margin-top:var(--space-4)}
.hero-sub{margin-top:var(--space-5);font-size:clamp(19px,1.8vw,26px);max-width:44ch}
.hero .actions{margin-top:var(--space-6)}
.hero-proof{margin-top:var(--space-7)}
.stats dd{font-size:28px}

/* Tag canale sulle card dei casi + filtro (solo CSS, radio + :has) */
.case-tag{align-self:flex-start;position:relative;z-index:1}
.case-filter{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-6);border:0;padding:0}
.case-filter legend{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.case-filter input{position:absolute;opacity:0;pointer-events:none}
.case-filter label{cursor:pointer}
.case-filter input:checked+label{color:var(--text-strong);border-color:var(--line-strong);background:var(--action-secondary-hover)}
.case-filter input:focus-visible+label{outline:2px solid var(--viola-400);outline-offset:2px}
.case-filter:has(#f-ads:checked)~.cases>li:not([data-canale=ads]),
.case-filter:has(#f-seo:checked)~.cases>li:not([data-canale=seo]){display:none}

/* hidden vince sempre sul display dei componenti (form, messaggi del form, cover del gioco) */
[hidden]{display:none!important}