/* erikgoi.com — sistema condiviso tra home e blog.
   Fonte di verità: DESIGN.md. Non aggiungere token qui senza aggiornarlo. */

:root{
  /* colore */
  --paper:#FFFFFF;
  --paper-2:#F4F4F5;
  --ink:#0A0A0B;
  --ink-70:#52525B;
  /* Due cyan, due ruoli. #00A6E4 su carta fa 2.48:1 — sotto qualunque soglia —
     quindi su fondo chiaro è ammesso solo come CAMPITURA. Per il cyan come TESTO
     o come stato attivo su bianco serve --cyan-deep (5.93:1 su --paper, 5.39:1 su
     --paper-2). Sulle fasce scure torna --cyan, che lì fa 6.6:1. */
  --cyan:#00A6E4;
  --cyan-deep:#006B96;
  --rule:#E4E4E7;
  --dim:#9AA3A9;          /* testo secondario SULLE fasce scure */
  --rule-dark:#2A3238;

  /* tipografia */
  --sans:"Archivo",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;

  --s--2:clamp(0.72rem,0.70rem + 0.10vw,0.78rem);
  --s--1:clamp(0.83rem,0.80rem + 0.16vw,0.94rem);
  --s-0: clamp(1.06rem,1.02rem + 0.20vw,1.19rem);
  --s-1: clamp(1.30rem,1.22rem + 0.40vw,1.50rem);
  --s-2: clamp(1.62rem,1.45rem + 0.85vw,2.10rem);
  --s-3: clamp(2.10rem,1.75rem + 1.75vw,3.20rem);
  --s-4: clamp(2.60rem,1.90rem + 3.50vw,4.60rem);
  --s-5: clamp(3.40rem,1.60rem + 9.00vw,7.50rem);
  --s-6: clamp(4.00rem,-1.00rem + 24.0vw,15rem);

  /* spazio */
  --gap:clamp(96px,11vw,176px);   /* tra sezioni */
  --pad:clamp(20px,4vw,56px);     /* laterale del container */
  --max:1280px;

  --ease:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{background:var(--paper);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:transparent;color:var(--ink);
  font-family:var(--sans);font-size:var(--s-0);font-weight:400;line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
/* height:auto serve perché l'attributo di altezza dell'immagine è una dimensione
   definita e batte qualunque aspect-ratio dichiarato nel CSS. */
img{max-width:100%;height:auto;display:block}
a{color:inherit}
::selection{background:var(--cyan);color:var(--ink)}
:focus-visible{outline:2px solid var(--cyan-deep);outline-offset:3px}
.on-ink :focus-visible{outline-color:var(--cyan)}
.on-cyan :focus-visible{outline-color:var(--ink)}

/* ---------- container e fasce ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}

/* Le fasce piene sono figlie dirette di <main>/<body>, quindi sono già larghe
   quanto la finestra: niente 100vw, che con la scrollbar sfora di ~15px. */
.on-ink{background:var(--ink);color:var(--paper)}
.on-ink .mlabel{color:var(--dim)}
.on-cyan{background:var(--cyan);color:var(--ink)}

section{padding:var(--gap) 0}

/* ---------- griglia visibile (>=1440) ---------- */
.rules{position:fixed;inset:0;z-index:-1;pointer-events:none;display:none}
@media(min-width:1440px){
  .rules{
    display:flex;justify-content:space-between;
    max-width:var(--max);margin-inline:auto;padding:0 var(--pad);
  }
  .rules i{width:1px;background:var(--rule);position:relative}
  .rules i::before{
    content:attr(data-c);position:absolute;top:10px;left:5px;
    font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--rule);
  }
}

/* ---------- micro-label mono ---------- */
.mlabel{
  font-family:var(--mono);font-size:var(--s--1);font-weight:400;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-70);
  display:block;margin-bottom:28px;
}
.mlabel b{color:var(--cyan-deep);font-weight:500;margin-right:12px}
.on-ink .mlabel b{color:var(--cyan)}
.on-cyan .mlabel{color:var(--ink)}
.on-cyan .mlabel b{color:var(--ink);font-weight:700}

/* ---------- titoli ---------- */
h1,h2,h3{font-weight:900;line-height:1.05;letter-spacing:-.025em}
.h-sec{font-size:var(--s-3);max-width:20ch}
.lead{font-size:var(--s-1);line-height:1.5;color:var(--ink-70);max-width:46ch}
.body-col{max-width:64ch}

/* ---------- azioni ---------- */
.btn{
  display:inline-flex;align-items:center;gap:12px;
  background:var(--ink);color:var(--paper);text-decoration:none;
  font-family:var(--mono);font-size:var(--s--1);letter-spacing:.10em;text-transform:uppercase;
  padding:18px 28px;transition:background .12s var(--ease),color .12s var(--ease);
}
.btn:hover,.btn:focus-visible{background:var(--cyan);color:var(--ink)}
.btn .arw{transition:transform .12s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}

.btn-2{
  display:inline-flex;align-items:center;gap:10px;text-decoration:none;
  font-family:var(--mono);font-size:var(--s--1);letter-spacing:.10em;text-transform:uppercase;
  border-bottom:1px solid var(--ink);padding-bottom:5px;
  transition:border-color .12s var(--ease),color .12s var(--ease);
}
.btn-2:hover,.btn-2:focus-visible{color:var(--cyan-deep);border-color:var(--cyan-deep)}
.btn-2:hover .arw{transform:translateX(4px)}

/* ---------- testata ---------- */
.top{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:24px 0;border-bottom:1px solid var(--rule);
}
.top .logo{display:inline-block;padding:6px 0}
.top .logo img{height:24px;width:auto}
.top .status{
  font-family:var(--mono);font-size:var(--s--1);line-height:1.7;
  color:var(--ink-70);text-align:right;
}
.top .status a{text-decoration:none;display:inline-block;padding:4px 0}
.top .status a:hover{color:var(--cyan-deep)}
.dot{
  display:inline-block;width:6px;height:6px;background:var(--cyan-deep);
  margin-right:8px;vertical-align:middle;
}

/* ---------- righe di lista (componente centrale) ---------- */
.rows{border-top:1px solid var(--rule)}
.on-ink .rows{border-color:var(--rule-dark)}

.row{
  display:grid;grid-template-columns:104px minmax(0,1fr) auto;
  gap:clamp(16px,3vw,40px);align-items:baseline;
  padding:26px 0;border-bottom:1px solid var(--rule);
  text-decoration:none;transition:transform .16s var(--ease);
}
.on-ink .row{border-color:var(--rule-dark)}
.row:hover,.row:focus-visible{transform:translateX(6px)}

.row-k{
  font-family:var(--mono);font-size:var(--s--1);letter-spacing:.06em;
  color:var(--ink-70);white-space:nowrap;
}
.on-ink .row-k{color:var(--dim)}
.row-t{display:block;font-size:var(--s-2);font-weight:700;line-height:1.1;letter-spacing:-.02em;
  transition:color .16s var(--ease)}
.row:hover .row-t,.row:focus-visible .row-t{
  text-decoration:underline;text-decoration-color:var(--cyan);
  text-decoration-thickness:3px;text-underline-offset:6px;
}
.on-ink .row:hover .row-t,.on-ink .row:focus-visible .row-t{color:var(--cyan);text-decoration:none}
.row-d{font-size:var(--s-0);color:var(--ink-70);margin-top:10px;max-width:56ch}
.on-ink .row-d{color:var(--dim)}
.row-a{font-family:var(--mono);font-size:var(--s-1);color:var(--ink-70);
  transition:color .16s var(--ease),transform .16s var(--ease)}
.row:hover .row-a{color:var(--cyan-deep);transform:translateX(4px)}
.on-ink .row-a{color:var(--dim)}
.on-ink .row:hover .row-a{color:var(--cyan)}

.row-th{width:56px;height:56px;object-fit:cover;filter:grayscale(1) contrast(1.08);
  transition:filter .16s var(--ease);align-self:center}
.row:hover .row-th{filter:none}

@media(max-width:720px){
  .row{grid-template-columns:1fr auto;gap:10px 16px}
  .row-k{grid-column:1/-1}
  .row-a{display:none}
}

/* ---------- blocchi numero ---------- */
.nums{display:grid;grid-template-columns:repeat(2,1fr)}
@media(min-width:860px){.nums{grid-template-columns:repeat(4,1fr)}}
.num{padding:0 clamp(16px,3vw,36px);border-left:1px solid var(--rule)}
.num:first-child{border-left:0;padding-left:0}
@media(max-width:859px){
  .num{padding:24px clamp(16px,4vw,28px)}
  .num:nth-child(odd){border-left:0;padding-left:0}
  .num:nth-child(-n+2){padding-top:0}
}
.num b{display:block;font-size:var(--s-4);font-weight:900;letter-spacing:-.04em;line-height:.9}
.num span{
  display:block;margin-top:14px;font-family:var(--mono);font-size:var(--s--1);
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-70);line-height:1.5;
}

/* ---------- banda scorrevole (una sola in tutto il sito) ---------- */
.marquee{
  background:var(--ink);color:var(--paper);overflow:hidden;
  padding:clamp(18px,2.5vw,30px) 0;
}
.marquee div{display:flex;width:max-content;animation:slide 30s linear infinite}
.marquee span{
  font-size:var(--s-2);font-weight:900;letter-spacing:-.01em;text-transform:uppercase;
  white-space:nowrap;padding-right:.5em;
}
.marquee em{font-style:normal;color:var(--cyan);padding-right:.5em}
@keyframes slide{to{transform:translateX(-50%)}}

/* ---------- fascia contatti in cyan (unica del sito) ---------- */
.contact{padding:var(--gap) 0}
.contact h2{font-size:var(--s-3);max-width:18ch}
.contact .mail{
  display:inline-block;margin-top:32px;font-size:clamp(1.6rem,9vw,4.6rem);font-weight:900;
  letter-spacing:-.035em;color:var(--ink);text-decoration:none;
  border-bottom:2px solid var(--ink);transition:border-color .12s var(--ease);
}
.contact .mail:hover,.contact .mail:focus-visible{border-color:transparent}
.contact .meta{
  margin-top:36px;display:flex;gap:14px 36px;flex-wrap:wrap;
  font-family:var(--mono);font-size:var(--s--1);letter-spacing:.06em;text-transform:uppercase;
}
.contact .meta a{text-decoration:none;border-bottom:1px solid rgba(20,24,27,.35);padding-bottom:4px}
.contact .meta a:hover{border-color:var(--ink)}

/* ---------- footer con wordmark ---------- */
.foot{background:var(--ink);color:var(--paper);padding-top:clamp(40px,6vw,72px)}
.foot .meta{
  display:flex;justify-content:space-between;gap:12px 32px;flex-wrap:wrap;
  font-family:var(--mono);font-size:var(--s--1);letter-spacing:.06em;color:var(--dim);
  padding-bottom:clamp(24px,4vw,44px);
}
.foot .meta b{color:var(--cyan);font-weight:500}
.foot .meta a{text-decoration:none}
.foot .meta a:hover{color:var(--paper)}
.wordmark{
  overflow:hidden;line-height:.9;
  font-size:var(--s-6);font-weight:900;letter-spacing:-.045em;
  white-space:nowrap;margin-bottom:clamp(20px,3vw,40px);
}

/* ---------- apex ---------- */
.apex{
  border-top:1px solid var(--rule);padding-top:26px;margin-top:var(--gap);
  color:var(--ink-70);max-width:60ch;font-size:var(--s--1);line-height:1.6;
}
.apex a{color:var(--ink);font-weight:700;text-decoration:underline;text-underline-offset:3px;
  display:inline-block;padding:3px 0}
.apex a:hover{color:var(--cyan-deep)}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .marquee div{animation:none;justify-content:center;width:100%}
}
