/* Vontirdore — foglio di stile comune */

:root{
  --bg:#f5f4f0;
  --bg-alt:#e2ded4;
  --bg-deep:#14456b;
  --ink:#1c1e20;
  --ink-soft:#6a6d6e;
  --ink-invert:#f5f4f0;
  --accent:#c2522f;
  --accent-2:#1d6b8f;
  --line:#c9c4b8;
  --mono:ui-monospace,Consolas,"Liberation Mono",monospace;
  --sans:system-ui,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --gap:72px;
}

*,*::before,*::after{box-sizing:border-box;}

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

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  overflow-x:hidden;
}

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

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

/* ---------- struttura ---------- */

.wrap{
  width:100%;
  max-width:1160px;
  margin:0 auto;
  padding:0 24px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:0;
}

.cell{
  border:1px solid var(--line);
  padding:22px 24px;
  min-width:0;
}

.cell + .cell{border-left:none;}

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

.band-alt{background:var(--bg-alt);}

.band-deep{
  background:var(--bg-deep);
  color:var(--ink-invert);
}
.band-deep .cell{border-color:rgba(245,244,240,.35);}
.band-deep a{color:#f0c7b5;}
.band-deep .kicker{color:#9fc6dd;}
.band-deep .caption{color:#bcd2e0;}

/* ---------- ritmo a filo ---------- */

.thread{border:0;margin:0;padding:0;}
.thread::before,.thread::after{
  content:"";
  display:block;
  width:100%;
}
.thread::before{height:2px;background:var(--accent);}
.thread::after{height:1px;background:var(--accent-2);margin-top:6px;}

.band-deep .thread::before{background:#e08a68;}
.band-deep .thread::after{background:#6ba7c9;}

/* ---------- tipografia ---------- */

h1,h2,h3,.kicker,.navbar a,.sitename{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.09em;
  font-weight:600;
}

h1{
  font-size:clamp(26px,4.1vw,44px);
  line-height:1.24;
  margin:26px 0;
  letter-spacing:.05em;
}

h2{
  font-size:clamp(19px,2.2vw,25px);
  line-height:1.35;
  margin:0 0 20px;
}

h3{
  font-size:16px;
  line-height:1.5;
  margin:28px 0 10px;
  color:var(--ink);
}

p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}

.kicker{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent-2);
  margin:0 0 14px;
  display:block;
}

.caption{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  line-height:1.7;
  color:var(--ink-soft);
  text-transform:none;
}

.lead{font-size:19px;line-height:1.7;}

/* ---------- header e navigazione ---------- */

.site-header{
  border-bottom:1px solid var(--line);
  background:var(--bg);
}
.site-header .wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
  padding-top:18px;
  padding-bottom:18px;
}
.sitename{
  font-size:16px;
  letter-spacing:.24em;
  text-decoration:none;
  color:var(--ink);
}
.sitename:hover{color:var(--accent);}

.navbar ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  margin:0;
  padding:0;
}
.navbar a{
  font-size:12px;
  letter-spacing:.14em;
  text-decoration:none;
  color:var(--ink-soft);
  padding:4px 0;
  display:inline-block;
  border-bottom:2px solid transparent;
}
.navbar a:hover{color:var(--ink);border-bottom-color:var(--accent);}
.navbar a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent);}

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

.hero{padding-top:56px;}
.hero-rule{height:1px;background:var(--ink);width:100%;}
.hero h1{max-width:none;}
.hero-h1{grid-column:span 9;}

.hero-cells{margin-top:34px;}
.hero-cells .cell-intro{grid-column:span 5;}
.hero-cells .cell-topics{grid-column:span 4;}
.hero-cells .cell-pause{grid-column:span 3;border-left:none;}

.topics{list-style:none;margin:0;padding:0;font-size:15px;line-height:1.6;}
.topics li{padding-left:20px;position:relative;margin-bottom:9px;}
.topics li::before{
  content:"";
  position:absolute;
  left:0;top:.6em;
  width:8px;height:8px;
  background:var(--accent);
}

/* ---------- figura principale ---------- */

.figure-row{margin-top:8px;}
.figure-cell{grid-column:span 6;padding:12px;}
.figure-note{grid-column:span 6;display:flex;align-items:flex-end;}

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

.col-4{grid-column:span 4;}
.col-8{grid-column:span 8;}
.col-6{grid-column:span 6;}
.col-3{grid-column:span 3;}
.col-9{grid-column:span 9;}
.col-5{grid-column:span 5;}
.col-7{grid-column:span 7;}
.col-12{grid-column:span 12;}

.prose{max-width:74ch;}

/* ---------- checklist ---------- */

.checklist{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  margin:0;
  padding:0;
  list-style:none;
}
.checklist li{
  border:1px solid var(--line);
  padding:16px 18px 16px 40px;
  position:relative;
  font-size:15.5px;
  line-height:1.62;
  margin:0;
}
.checklist li + li{border-top:none;}
.checklist li:nth-child(2n){border-left:none;}
.checklist li:nth-child(2){border-top:1px solid var(--line);}
.checklist li::before{
  content:"";
  position:absolute;
  left:18px;top:1.45em;
  width:9px;height:9px;
  border:1px solid var(--accent);
  background:var(--accent);
}

.numlist{list-style:none;margin:0;padding:0;counter-reset:n;}
.numlist li{
  counter-increment:n;
  padding-left:44px;
  position:relative;
  margin-bottom:16px;
  line-height:1.7;
}
.numlist li::before{
  content:counter(n,decimal-leading-zero);
  position:absolute;left:0;top:.1em;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--accent-2);
}

/* ---------- sezione contrasto + immagine di dettaglio ---------- */

.detail-figure{grid-column:2 / span 4;padding:12px;}
.detail-text{grid-column:7 / span 6;}

/* ---------- pagina About ---------- */

.about-grid{
  display:grid;
  grid-template-columns:3fr 8fr;
  gap:0;
}
.about-side{
  border-right:1px solid var(--line);
  padding:4px 28px 4px 0;
}
.about-main{padding:4px 0 4px 34px;}
.about-side ul{list-style:none;margin:0;padding:0;}
.about-side li{
  position:relative;
  padding-left:20px;
  margin-bottom:12px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--ink-soft);
  line-height:1.6;
}
.about-side li::before{
  content:"";position:absolute;left:0;top:.55em;
  width:8px;height:8px;background:var(--accent-2);
}

/* ---------- contatto ---------- */

.contact-cell{grid-column:span 6;}
.contact-note{grid-column:span 6;}

/* ---------- footer ---------- */

.site-footer{border-top:2px solid var(--accent);margin-top:0;}
.site-footer .thread-top{height:1px;background:var(--accent-2);margin-top:6px;}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin:34px 0 46px;
}
.footer-grid > div{
  border:1px solid var(--line);
  padding:20px 22px;
  min-width:0;
}
.footer-grid > div + div{border-left:none;}
.footer-grid h2{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--accent-2);
  margin:0 0 12px;
}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid li{margin-bottom:7px;font-size:15px;}
.footer-grid p{font-size:14px;line-height:1.65;color:var(--ink-soft);margin:0;}
.footer-name{
  font-family:var(--mono);
  letter-spacing:.2em;
  font-size:14px;
  text-transform:uppercase;
}

/* ---------- responsive ---------- */

@media (max-width:900px){
  :root{--gap:44px;}
  .grid{grid-template-columns:1fr;}
  .cell{grid-column:auto !important;}
  .cell + .cell{border-left:1px solid var(--line);border-top:none;}
  .hero-cells .cell-pause{display:none;}
  .hero-h1,.figure-cell,.figure-note,.detail-figure,.detail-text,
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-12{grid-column:auto;}
  .figure-note{margin-top:18px;}
  .detail-text{margin-top:22px;}
  .about-grid{grid-template-columns:1fr;}
  .about-side{border-right:none;border-bottom:1px solid var(--line);padding:0 0 20px;margin-bottom:24px;}
  .about-main{padding:0;}
  .checklist{grid-template-columns:1fr;}
  .checklist li:nth-child(2n){border-left:1px solid var(--line);}
  .checklist li + li{border-top:none;}
  .checklist li:nth-child(2){border-top:none;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-grid > div + div{border-left:1px solid var(--line);border-top:none;}
  .site-header .wrap{align-items:flex-start;flex-direction:column;}
}

@media (max-width:560px){
  body{font-size:16px;}
  .wrap{padding:0 16px;}
  .cell{padding:18px 16px;}
  .navbar ul{gap:6px 16px;}
}