/* ============================================================
   KASTRENDALE - banco di prova (cassette / analog hi-fi, dark)
   Un solo colore cromatico: tape-oxide #e5732a.
   Gerarchia per dimensione, non per peso. Piatto, senza ombre.
   ============================================================ */

:root{
  --ink:#19181a;      /* fondo near-black caldo */
  --panel:#1f1e20;    /* superficie appena sollevata */
  --bone:#f5f4f0;     /* testo / carta */
  --sand:#d9d7ce;     /* secondario chiaro */
  --muted:#b4b1a8;    /* helper */
  --faint:#8f8c85;    /* etichette a bassa enfasi (AA su ink) */
  --char:#272727;     /* linee, divisori */
  --line:#333134;     /* hairline appena piu chiara */
  --black:#000;
  --acc:#e5732a;      /* UNICO cromatico: bobina magnetica */
  --acc-deep:#bf5a28;
  --acc-dim:#77401f;

  --sans:'Hedvig Letters Sans', ui-sans-serif, Georgia, 'Times New Roman', system-ui, sans-serif;
  --mono:'Fragment Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;

  --pad:clamp(16px,5vw,80px);
  --maxw:1320px;
  --gap:clamp(56px,9vw,120px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--bone);
  font-family:var(--sans);
  font-weight:400;
  font-size:clamp(16px,1rem + 0.2vw,18px);
  line-height:1.55;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
/* grana leggerissima, fissa, non tocca lo scroll */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main,header,footer{position:relative;z-index:1}

img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.bleed{padding-inline:var(--pad)}
.section{padding-block:var(--gap)}
.rule{border:0;border-top:1px solid var(--char);margin:0}
.stack>*+*{margin-top:1rem}

/* ---------- mono chrome / equipment markings ---------- */
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;line-height:1.3}
.tag{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--acc);border:1px solid var(--acc);border-radius:999px;
  padding:.28em .8em;display:inline-block;line-height:1;white-space:nowrap;
}
.tag--bone{color:var(--sand);border-color:var(--line)}
.tag--solid{background:var(--acc);color:var(--black);border-color:var(--acc)}
.marking{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}

/* ---------- tipografia: gerarchia per dimensione ---------- */
.display{font-size:clamp(2.6rem,7.5vw,5.4rem);line-height:1.02;letter-spacing:-.015em;margin:0}
h1,h2,h3{font-weight:400;margin:0}
.h-xl{font-size:clamp(2rem,4.6vw,3.3rem);line-height:1.06;letter-spacing:-.01em}
.h-lg{font-size:clamp(1.6rem,3.2vw,2.35rem);line-height:1.1;letter-spacing:-.005em}
.h-md{font-size:clamp(1.25rem,2.2vw,1.6rem);line-height:1.15}
.lead{font-size:clamp(1.06rem,1.6vw,1.28rem);line-height:1.5;color:var(--sand);max-width:60ch}
.measure{max-width:64ch}
.dim{color:var(--muted)}
.acc{color:var(--acc)}

/* ---------- buttons (pill, come i tasti dell'apparecchio) ---------- */
.btn{
  font-family:var(--mono);font-size:.82rem;letter-spacing:.05em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.6em;
  padding:.85em 1.4em;border-radius:999px;border:1px solid var(--acc);
  background:var(--acc);color:var(--black);cursor:pointer;
  transition:transform .12s ease, background .18s ease, box-shadow .18s ease;
  line-height:1;text-align:center;
}
.btn:hover{background:var(--acc-deep);border-color:var(--acc-deep)}
.btn:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:var(--acc)}
.btn--ghost:hover{background:rgba(229,115,42,.1);color:var(--acc)}
.btn--bone{background:transparent;border-color:var(--line);color:var(--bone)}
.btn--bone:hover{border-color:var(--sand);background:transparent}
.btn svg{flex:0 0 auto}

/* ---------- header / nav ---------- */
.site-head{
  position:sticky;top:0;z-index:40;background:rgba(25,24,26,.86);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--char);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  max-width:var(--maxw);margin-inline:auto;padding:.7rem var(--pad)}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--bone)}
.brand svg{display:block}
.brand b{font-family:var(--mono);font-weight:400;font-size:.95rem;letter-spacing:.14em;color:var(--acc)}
.nav-links{display:flex;align-items:center;gap:.5rem;list-style:none;margin:0;padding:0}
.nav-links a{
  font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--sand);border:1px solid var(--line);border-radius:999px;padding:.42em .9em;
  transition:border-color .18s,color .18s;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--acc);border-color:var(--acc)}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:999px;
  color:var(--bone);font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;
  text-transform:uppercase;padding:.5em .9em;cursor:pointer}
@media (max-width:860px){
  .nav-links{position:fixed;inset:56px 0 auto 0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--ink);border-bottom:1px solid var(--char);
    padding:.6rem var(--pad) 1.2rem;transform:translateY(-140%);
    transition:transform .28s cubic-bezier(.16,1,.3,1);}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{border:0;border-top:1px solid var(--char);border-radius:0;padding:.9em .2em;font-size:.9rem}
  .nav-toggle{display:inline-block}
}

/* ---------- hero (document / editorial + equalizer) ---------- */
.hero{padding-block:clamp(48px,8vw,104px) var(--gap)}
.hero__mark{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  border-bottom:1px solid var(--char);padding-bottom:.9rem;margin-bottom:clamp(28px,5vw,54px)}
.hero__grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px)}
@media (min-width:920px){.hero__grid{grid-template-columns:1.35fr .9fr;align-items:end}}
.hero__title{margin:0 0 1.1rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.hero__trust{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;color:var(--muted);
  margin-top:1.5rem;display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
.hero__trust .dot{width:6px;height:6px;background:var(--acc);border-radius:0;display:inline-block}

/* equalizer SVG (accent, decorativo) */
.eq{width:100%;height:auto;display:block}
.eq rect{fill:var(--acc)}
@media (prefers-reduced-motion:no-preference){
  .eq rect{animation:eqp 1.7s ease-in-out infinite;transform-origin:bottom}
  .eq rect:nth-child(3n){animation-duration:2.3s}
  .eq rect:nth-child(3n+1){animation-duration:1.35s}
  .eq rect:nth-child(4n){animation-delay:-.4s}
  .eq rect:nth-child(2n){animation-delay:-.9s}
}
@keyframes eqp{0%,100%{transform:scaleY(.55)}50%{transform:scaleY(1)}}

/* ---------- indice / listino ---------- */
.index-row{display:grid;grid-template-columns:auto 1fr auto;gap:1rem;align-items:baseline;
  padding:.85rem 0;border-top:1px solid var(--char);text-decoration:none;color:var(--bone);
  transition:color .16s}
.index-row:hover{color:var(--acc)}
.index-row:hover .index-num{color:var(--acc)}
.index-num{font-family:var(--mono);font-size:.82rem;color:var(--faint)}
.index-name{font-size:clamp(1.1rem,2vw,1.5rem)}
.index-meta{font-family:var(--mono);font-size:.72rem;color:var(--muted);text-align:right}

/* ---------- schede gioco ---------- */
.decks{display:flex;flex-direction:column;gap:clamp(40px,6vw,80px)}
.scheda{border-top:2px solid var(--acc);padding-top:clamp(22px,3vw,34px)}
.scheda__head{display:flex;flex-wrap:wrap;gap:.7rem 1rem;align-items:baseline;margin-bottom:.5rem}
.scheda__no{font-family:var(--mono);font-size:.8rem;color:var(--acc);letter-spacing:.06em}
.scheda__title{font-size:clamp(1.7rem,3.4vw,2.6rem);line-height:1.05;letter-spacing:-.01em}
.scheda__hook{color:var(--sand);max-width:56ch;margin:.4rem 0 0}
.scheda__grid{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,40px);margin-top:clamp(20px,3vw,32px)}
@media (min-width:860px){
  .scheda__grid{grid-template-columns:1fr 1fr;align-items:start}
  .scheda--flip .scheda__media{order:2}
}
.scheda__media figure{margin:0}
.scheda__media img{width:100%;border:1px solid var(--char);background:var(--panel)}
.scheda__cap{font-family:var(--mono);font-size:.68rem;color:var(--faint);margin-top:.5rem;letter-spacing:.03em}
/* riga metadata Play */
.meta{display:flex;flex-wrap:wrap;gap:.4rem .5rem;margin:0 0 1.2rem;padding:0;list-style:none}
.meta li{font-family:var(--mono);font-size:.7rem;letter-spacing:.03em;color:var(--sand);
  border:1px solid var(--line);border-radius:999px;padding:.32em .7em;line-height:1}
.meta li.pay{color:var(--acc);border-color:var(--acc)}
.block-label{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--acc);margin:0 0 .35rem}
.scheda__body>*+*{margin-top:1.3rem}
.tips{margin:.2rem 0 0;padding:0;list-style:none}
.tips li{position:relative;padding-left:1.7rem;margin-top:.55rem;color:var(--bone)}
.tips li::before{content:attr(data-n);position:absolute;left:0;top:.05em;
  font-family:var(--mono);font-size:.72rem;color:var(--acc)}
.caveat{border-left:2px solid var(--acc-dim);padding:.1rem 0 .1rem 1rem;color:var(--muted);font-style:italic}
.scheda__cta{margin-top:1.5rem;display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}
.scheda__cta .note{font-family:var(--mono);font-size:.68rem;color:var(--faint)}

/* ---------- blocchi generici a due colonne ---------- */
.split{display:grid;grid-template-columns:1fr;gap:clamp(24px,4vw,56px)}
@media (min-width:860px){.split{grid-template-columns:.85fr 1.15fr}.split--even{grid-template-columns:1fr 1fr}}
.side-label{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--faint);border-top:1px solid var(--char);padding-top:.7rem}

/* ---------- crew ---------- */
.crew{display:grid;grid-template-columns:1fr;gap:1px;background:var(--char);border:1px solid var(--char);margin-top:1.6rem}
@media (min-width:720px){.crew{grid-template-columns:repeat(3,1fr)}}
.crew__cell{background:var(--ink);padding:clamp(18px,3vw,28px)}
.crew__name{font-size:1.25rem}
.crew__role{font-family:var(--mono);font-size:.72rem;color:var(--acc);letter-spacing:.05em;margin:.2rem 0 .8rem}
.crew__cell p{color:var(--muted);font-size:.95rem;margin:0}

/* ---------- pick / scelta ---------- */
.pick{border:1px solid var(--acc);padding:clamp(24px,4vw,48px);display:grid;gap:clamp(18px,3vw,32px)}
@media (min-width:820px){.pick{grid-template-columns:1fr 1.3fr;align-items:center}}
.pick img{border:1px solid var(--char)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--char)}
.faq details{border-bottom:1px solid var(--char)}
.faq summary{cursor:pointer;list-style:none;padding:1.1rem 0;display:flex;justify-content:space-between;
  gap:1rem;align-items:baseline;font-size:clamp(1.05rem,1.9vw,1.3rem)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--acc);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"-"}
.faq p{margin:0 0 1.2rem;color:var(--muted);max-width:70ch}

/* ---------- form / iscrizione ---------- */
.form{display:grid;gap:1rem;max-width:38rem}
.field{display:grid;gap:.4rem}
.field label{font-family:var(--mono);font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;color:var(--sand)}
.field input{
  background:var(--panel);border:1px solid var(--line);color:var(--bone);
  font-family:var(--sans);font-size:1rem;padding:.8em .9em;border-radius:0;
}
.field input::placeholder{color:var(--faint)}
.field input:focus{outline:none;border-color:var(--acc)}
.consent{display:flex;gap:.7rem;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.consent input{margin-top:.25rem;width:1.05rem;height:1.05rem;accent-color:var(--acc);flex:0 0 auto}
.consent a{color:var(--acc);text-decoration:underline;text-underline-offset:2px}
.form-msg{font-family:var(--mono);font-size:.82rem;color:var(--acc);display:none}
.form-msg.show{display:block}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--char);margin-top:var(--gap);padding-block:clamp(40px,6vw,72px)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px)}
@media (min-width:760px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
.foot-brand b{font-family:var(--mono);font-size:1rem;letter-spacing:.14em;color:var(--acc)}
.foot-col h4{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--faint);margin:0 0 .8rem;font-weight:400}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}
.foot-col a{color:var(--sand);font-size:.92rem}
.foot-col a:hover{color:var(--acc)}
.disclaimer{margin-top:clamp(28px,4vw,44px);padding-top:1.4rem;border-top:1px solid var(--char);
  font-size:.78rem;line-height:1.55;color:var(--faint);max-width:96ch}
.copyright{margin-top:1.2rem;font-family:var(--mono);font-size:.7rem;color:var(--faint);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.6rem}

/* ---------- cookie banner (opt-in) ---------- */
.cookie{
  position:fixed;left:var(--pad);right:var(--pad);bottom:clamp(12px,3vw,24px);z-index:60;
  max-width:640px;margin-inline:auto;background:var(--panel);border:1px solid var(--acc);
  padding:clamp(16px,3vw,24px);display:none;
}
.cookie.show{display:block}
.cookie p{margin:0 0 1rem;font-size:.9rem;color:var(--sand)}
.cookie a{color:var(--acc);text-decoration:underline;text-underline-offset:2px}
.cookie__row{display:flex;flex-wrap:wrap;gap:.6rem}
.cookie__row .btn{font-size:.74rem;padding:.7em 1.15em}
.cookie__prefs{margin-top:1rem;display:none;border-top:1px solid var(--char);padding-top:1rem}
.cookie__prefs.show{display:block}
.cookie__prefs label{display:flex;gap:.6rem;align-items:flex-start;font-size:.86rem;color:var(--muted);margin-top:.6rem}
.cookie__prefs input{accent-color:var(--acc);margin-top:.2rem}

/* ---------- pagine legali / testo lungo ---------- */
.doc{max-width:74ch}
.doc h2{font-size:clamp(1.3rem,2.6vw,1.8rem);margin:2.4rem 0 .8rem}
.doc h3{font-size:1.1rem;margin:1.8rem 0 .5rem;color:var(--sand)}
.doc p,.doc li{color:var(--muted)}
.doc a{color:var(--acc);text-decoration:underline;text-underline-offset:2px}
.doc ul{padding-left:1.2rem}
.doc li{margin-top:.4rem}
.updated{font-family:var(--mono);font-size:.74rem;color:var(--faint);letter-spacing:.04em}

/* ---------- 404 / grazie ---------- */
.center-page{min-height:60vh;display:grid;place-content:center;text-align:center;gap:1.2rem;padding-block:var(--gap)}
.center-page .code{font-family:var(--mono);color:var(--acc);letter-spacing:.3em;font-size:.9rem}

/* utility */
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--acc);margin:0 0 .8rem}
.mt-s{margin-top:1rem}.mt-m{margin-top:2rem}.mt-l{margin-top:clamp(32px,5vw,64px)}