/* Tronundi — foglio di stile comune */

:root{
  --bg:#ffffff;
  --bg-alt:#eef0f3;
  --bg-contrast:#1b2ecc;
  --ink:#0b0c10;
  --ink-2:#565c66;
  --ink-inv:#ffffff;
  --accent:#ff4e36;
  --accent-2:#1b2ecc;
  --gap:80px;
}

*{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:18px;
  line-height:1.9;
  overflow-x:hidden;
}

h1,h2,h3{
  font-family:Georgia,'Times New Roman',serif;
  font-weight:400;
  line-height:1.3;
  margin:0 0 24px;
  letter-spacing:.005em;
}

h1{font-size:40px;}
h2{font-size:28px;}
h3{font-size:21px;}

p{margin:0 0 28px;}
p:last-child{margin-bottom:0;}

a{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
a:hover{text-decoration-thickness:2px;}
a:focus-visible{outline:2px dashed var(--accent);outline-offset:3px;}

img{max-width:100%;height:auto;display:block;}

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:24px;
}

/* ---------- intestazione e navigazione ---------- */

.site-head{
  border-bottom:1px dashed var(--accent-2);
}

.head-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px 32px;
  padding-top:22px;
  padding-bottom:22px;
}

.brand{
  font-family:Georgia,'Times New Roman',serif;
  font-size:22px;
  color:var(--ink);
  text-decoration:none;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.brand:hover{color:var(--accent);}

.site-nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:6px 26px;
  margin:0;
  padding:0;
  font-size:15px;
}
.site-nav a{
  color:var(--ink-2);
  text-decoration:none;
  padding-bottom:3px;
  border-bottom:1px dashed transparent;
}
.site-nav a:hover,
.site-nav a[aria-current="page"]{
  color:var(--ink);
  border-bottom-color:var(--accent);
}

/* ---------- hero ---------- */

.hero{
  padding:56px 0 0;
}

.hero-frame{
  border:2px dashed var(--accent);
  padding:40px 24px;
  margin:0 24px;
}

.hero-top{
  align-items:start;
  row-gap:32px;
}

.hero-title{
  grid-column:1 / span 8;
  font-size:clamp(30px,4.4vw,50px);
  margin-bottom:0;
}

.hero-lede{
  grid-column:9 / span 4;
  border-left:1px dashed var(--accent-2);
  padding-left:24px;
  color:var(--ink-2);
  font-size:17px;
}

.hero-meta{
  grid-column:1 / span 8;
  margin-top:28px;
  font-size:14px;
  color:var(--accent-2);
  letter-spacing:.14em;
  text-transform:uppercase;
}

.hero-figure{
  grid-column:7 / span 6;
  margin:48px 0 0;
  justify-self:end;
}
.hero-figure .shot{
  border:1px dashed var(--accent-2);
  padding:12px;
}
figcaption{
  font-size:14px;
  line-height:1.6;
  color:var(--ink-2);
  margin-top:12px;
  max-width:46ch;
}

/* ---------- ritmo delle sezioni ---------- */

.band{padding:var(--gap) 0;}
.band--alt{background:var(--bg-alt);}
.band--contrast{
  background:var(--bg-contrast);
  color:var(--ink-inv);
}
.band--contrast h2,
.band--contrast h3{color:var(--ink-inv);}
.band--contrast a{color:#ffffff;}
.band--contrast figcaption,
.band--contrast .kicker{color:#d7dbf7;}
.band--contrast .rule{border-color:#8f9ae8;}

.double-rule{
  border-top:1px solid var(--ink);
  position:relative;
  height:6px;
}
.double-rule::after{
  content:"";
  position:absolute;
  left:0;right:0;top:5px;
  border-top:1px dashed var(--accent-2);
}

.rule{
  border:0;
  border-top:1px dashed var(--accent-2);
  margin:40px 0;
}

.kicker{
  font-size:14px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-2);
  margin-bottom:14px;
}

/* ---------- blocchi di testo alternati ---------- */

.col-7{
  grid-column:1 / span 7;
  border-right:1px dashed var(--accent-2);
  padding-right:32px;
}
.col-5{
  grid-column:8 / span 5;
  border-left:1px dashed var(--accent-2);
  padding-left:32px;
}
.col-8-left{
  grid-column:1 / span 8;
  border-bottom:1px dashed var(--accent-2);
  padding-bottom:32px;
}
.col-6-right{
  grid-column:6 / span 7;
  border-left:1px dashed var(--accent-2);
  padding-left:32px;
}
.stack + .stack{margin-top:64px;}

/* ---------- elenchi ---------- */

ul.checklist,
ol.steps{
  margin:0 0 28px;
  padding-left:0;
  list-style:none;
}
ul.checklist li{
  position:relative;
  padding-left:26px;
  margin-bottom:14px;
}
ul.checklist li::before{
  content:"";
  position:absolute;
  left:0;top:.78em;
  width:10px;height:0;
  border-top:2px dashed var(--accent);
}
ol.steps{counter-reset:s;}
ol.steps li{
  position:relative;
  padding-left:44px;
  margin-bottom:16px;
  counter-increment:s;
}
ol.steps li::before{
  content:counter(s,decimal-leading-zero);
  position:absolute;
  left:0;top:0;
  font-family:Georgia,'Times New Roman',serif;
  font-size:15px;
  color:var(--accent-2);
  letter-spacing:.08em;
}
.band--contrast ol.steps li::before{color:#c9d0ff;}

dl{margin:0 0 28px;}
dt{
  font-family:Georgia,'Times New Roman',serif;
  font-size:19px;
  margin-top:24px;
}
dd{margin:8px 0 0;color:var(--ink-2);}

/* ---------- sezione a contrasto con immagine ---------- */

.detail-figure{
  grid-column:1 / span 5;
  margin:0;
}
.detail-figure img{border:1px dashed #8f9ae8;padding:10px;}
.detail-text{grid-column:7 / span 6;}

/* ---------- pagine interne ---------- */

.page-head{
  padding:64px 0 0;
}
.page-head .inner{
  border:2px dashed var(--accent);
  padding:36px 28px;
  margin:0 12px;
}
.page-head h1{
  grid-column:1 / span 8;
  font-size:clamp(28px,3.6vw,40px);
  margin-bottom:0;
}
.page-head .sub{
  grid-column:9 / span 4;
  border-left:1px dashed var(--accent-2);
  padding-left:24px;
  color:var(--ink-2);
  font-size:17px;
  margin:0;
}
.prose{
  grid-column:1 / span 8;
}
.prose--narrow{grid-column:2 / span 7;}

/* ---------- piè di pagina ---------- */

.site-foot{
  background:var(--bg-alt);
  margin-top:var(--gap);
}
.foot-inner{
  border:1px dashed var(--accent-2);
  margin:0 16px;
  padding:36px 24px;
  display:grid;
  grid-template-columns:repeat(12,1fr);
  column-gap:24px;
  row-gap:28px;
}
.foot-about{grid-column:1 / span 6;}
.foot-nav{grid-column:8 / span 5;}
.foot-brand{
  font-family:Georgia,'Times New Roman',serif;
  font-size:20px;
  letter-spacing:.08em;
  text-transform:uppercase;
  margin:0 0 12px;
}
.foot-about p{font-size:15px;line-height:1.75;color:var(--ink-2);}
.foot-nav ul{list-style:none;margin:0 0 16px;padding:0;font-size:15px;line-height:2;}
.foot-nav a{color:var(--ink-2);text-decoration:none;border-bottom:1px dashed transparent;}
.foot-nav a:hover{color:var(--ink);border-bottom-color:var(--accent);}
.foot-mail{font-size:15px;}
.foot-note{
  font-size:14px;
  color:var(--ink-2);
  padding:20px 16px 40px;
}

/* ---------- tablet ---------- */

@media (max-width:900px){
  :root{--gap:56px;}
  .hero-title{grid-column:1 / span 12;}
  .hero-lede{
    grid-column:1 / span 12;
    border-left:0;
    border-top:1px dashed var(--accent-2);
    padding-left:0;
    padding-top:20px;
  }
  .hero-meta{grid-column:1 / span 12;}
  .hero-figure{grid-column:1 / span 12;justify-self:stretch;margin-top:36px;}
  .col-7,.col-5,.col-8-left,.col-6-right,
  .prose,.prose--narrow,
  .detail-figure,.detail-text{grid-column:1 / span 12;}
  .col-7{border-right:0;padding-right:0;border-bottom:1px dashed var(--accent-2);padding-bottom:28px;}
  .col-5{border-left:0;padding-left:0;margin-top:36px;}
  .col-6-right{border-left:0;padding-left:0;}
  .detail-text{margin-top:32px;}
  .page-head h1,.page-head .sub{grid-column:1 / span 12;}
  .page-head .sub{border-left:0;padding-left:0;border-top:1px dashed var(--accent-2);padding-top:18px;margin-top:20px;}
  .foot-about,.foot-nav{grid-column:1 / span 12;}
}

/* ---------- mobile ---------- */

@media (max-width:600px){
  :root{--gap:48px;}
  body{font-size:17px;line-height:1.85;}
  .wrap{padding:0 16px;}
  .hero{padding-top:36px;}
  .hero-frame{margin:0;padding:26px 16px;}
  .page-head .inner{margin:0;padding:24px 16px;}
  .foot-inner{margin:0 8px;padding:26px 16px;}
  .head-inner{flex-direction:column;align-items:flex-start;}
  .site-nav ul{gap:4px 18px;}
  .detail-figure img{padding:6px;}
}