/* Prumobu — foglio di stile unico */

:root{
  --bg:#f4ece0;
  --bg-alt:#e8dbc7;
  --bg-dark:#33231a;
  --ink:#2a2119;
  --ink-soft:#7d6f5c;
  --ink-invert:#f4ece0;
  --accent:#b0512c;
  --accent-2:#37596b;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --wrap:1160px;
  --gap:24px;
}

*,*::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:1.8;
  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;
}

/* ---------- griglia ---------- */

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

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

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

.s-a{padding:64px 0;}
.s-b{padding:80px 0;}
.s-c{padding:96px 0;}
.s-tone{background:var(--bg-alt);}
.s-dark{background:var(--bg-dark);color:var(--ink-invert);}
.s-dark .caption{color:#c4b39b;}
.s-dark .kicker{color:#9db3bd;}
.s-dark h2,.s-dark h3{color:var(--ink-invert);}
.s-dark a{color:#e8a583;}

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

h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0;letter-spacing:-0.01em;}

h1{
  font-size:clamp(2.35rem,5.4vw,3.75rem);
  line-height:1.12;
}

h2{
  font-size:clamp(1.4rem,2.4vw,1.75rem);
  line-height:1.3;
  margin-bottom:18px;
}

h3{
  font-size:1.03rem;
  line-height:1.45;
  margin-bottom:8px;
}

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

.lead{font-size:1.09rem;line-height:1.75;}

.kicker{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--accent-2);
  margin:0 0 14px;
}

.caption{
  font-size:12px;
  line-height:1.6;
  color:var(--ink-soft);
  margin:12px 0 0;
}

.muted{color:var(--ink-soft);}

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

.site-head{
  border-bottom:1px solid rgba(42,33,25,0.14);
  background:var(--bg);
}

.site-head .wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:center;
  gap:10px 26px;
  padding-top:22px;
  padding-bottom:22px;
  text-align:center;
}

.brand{
  font-family:var(--serif);
  font-size:1.32rem;
  letter-spacing:0.04em;
  color:var(--ink);
  text-decoration:none;
  width:100%;
}

.brand:hover{color:var(--accent);}

.site-nav ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:8px 22px;
}

.site-nav a{
  font-size:14px;
  letter-spacing:0.04em;
  color:var(--ink);
  text-decoration:none;
  padding:2px 0;
  border-bottom:1px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"]{
  border-bottom-color:var(--accent);
  color:var(--accent);
}

/* ---------- hero con asse centrale ---------- */

.hero{
  position:relative;
  padding:88px 0 64px;
  text-align:center;
}

.hero .wrap{position:relative;}

.axis{
  position:absolute;
  top:0;
  bottom:0;
  left:50%;
  width:1px;
  background:linear-gradient(to bottom,rgba(176,81,44,0) 0%,var(--accent) 18%,var(--accent) 82%,rgba(176,81,44,0) 100%);
  pointer-events:none;
}

.hero h1{
  grid-column:2 / span 10;
  max-width:15ch;
  margin:0 auto 26px;
}

.hero-lead{
  grid-column:4 / span 6;
  color:var(--ink);
}

.hero-side{
  margin-top:44px;
  text-align:left;
}

.hero-side-l{grid-column:2 / span 3;}
.hero-side-r{grid-column:8 / span 3;}

.hero-side p{font-size:15px;line-height:1.75;color:var(--ink-soft);margin:0;}
.hero-side h2{
  font-size:1rem;
  font-family:var(--sans);
  letter-spacing:0.1em;
  text-transform:uppercase;
  margin-bottom:10px;
  color:var(--ink);
}

/* ---------- figure ---------- */

.fig-main{
  margin:52px auto 0;
  max-width:680px;
  text-align:center;
}

.fig-main img{
  width:100%;
  border:1px solid rgba(42,33,25,0.12);
}

/* ---------- separatore ad arco ---------- */

.arc{
  width:33%;
  min-width:180px;
  max-width:380px;
  height:34px;
  margin:0 auto;
  border-top:1px solid var(--accent-2);
  border-top-left-radius:100% 100%;
  border-top-right-radius:100% 100%;
}

.arc-warm{border-top-color:var(--accent);}
.arc-light{border-top-color:rgba(244,236,224,0.5);}

/* ---------- blocchi di contenuto ---------- */

.centered{text-align:center;}

.head-block{
  grid-column:3 / span 8;
  text-align:center;
  margin-bottom:34px;
}

.col-mid{grid-column:4 / span 6;}
.col-left7{grid-column:1 / span 7;}
.pair-l{grid-column:2 / span 4;}
.pair-r{grid-column:7 / span 4;}
.col-full{grid-column:1 / span 12;}

.num{
  font-family:var(--sans);
  font-size:12px;
  letter-spacing:0.18em;
  color:var(--accent-2);
  display:block;
  margin-bottom:8px;
}

ul.list,ol.list{
  margin:0 0 18px;
  padding-left:0;
  list-style:none;
}

ul.list li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  line-height:1.7;
}

ul.list li::before{
  content:"";
  position:absolute;
  left:0;
  top:0.72em;
  width:9px;
  height:1px;
  background:var(--accent);
}

ol.list{counter-reset:step;}
ol.list li{
  position:relative;
  padding-left:32px;
  margin-bottom:12px;
  counter-increment:step;
  line-height:1.7;
}
ol.list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:0;
  top:0;
  font-size:12px;
  letter-spacing:0.1em;
  color:var(--accent-2);
  line-height:2.2;
}

.def{margin:0;}
.def dt{
  font-family:var(--serif);
  font-size:1.02rem;
  margin-top:20px;
}
.def dd{margin:4px 0 0;color:var(--ink-soft);font-size:16px;}

/* ---------- sezione scura con immagine di dettaglio ---------- */

.dark-media{grid-column:1 / span 5;}
.dark-media img{width:100%;border:1px solid rgba(244,236,224,0.18);}
.dark-text{grid-column:7 / span 6;align-self:center;}

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

.contact-line{
  font-family:var(--serif);
  font-size:1.2rem;
}

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

.site-foot{
  background:var(--bg);
  padding:56px 0 44px;
  text-align:center;
  border-top:1px solid rgba(42,33,25,0.1);
}

.foot-brand{
  font-family:var(--serif);
  font-size:1.3rem;
  margin:26px 0 16px;
}

.foot-nav ul{
  list-style:none;
  margin:0 0 18px;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:6px 0;
}

.foot-nav li+li::before{
  content:"·";
  color:var(--ink-soft);
  margin:0 12px;
}

.foot-nav a{
  font-size:14px;
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid transparent;
}

.foot-nav a:hover{border-bottom-color:var(--accent);color:var(--accent);}

.foot-mail{font-size:15px;margin:0 0 10px;}
.foot-note{font-size:13px;color:var(--ink-soft);max-width:56ch;margin:0 auto;line-height:1.7;}

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

@media (max-width:900px){
  .hero{padding:56px 0 40px;}
  .hero h1{grid-column:1 / span 12;}
  .hero-lead{grid-column:1 / span 12;}
  .hero-side{margin-top:32px;}
  .hero-side-l,.hero-side-r{grid-column:1 / span 6;}
  .head-block,.col-mid,.col-left7,.col-full{grid-column:1 / span 12;}
  .pair-l{grid-column:1 / span 6;}
  .pair-r{grid-column:7 / span 6;}
  .dark-media{grid-column:1 / span 12;max-width:460px;}
  .dark-text{grid-column:1 / span 12;}
  .s-a{padding:48px 0;}
  .s-b{padding:52px 0;}
  .s-c{padding:56px 0;}
}

@media (max-width:620px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .grid{gap:18px;}
  .hero{padding:40px 0 32px;}
  .hero h1{max-width:none;}
  .axis{display:none;}
  .hero-side{text-align:left;margin-top:26px;}
  .hero-side-l,.hero-side-r,
  .pair-l,.pair-r{grid-column:1 / span 12;}
  .s-a{padding:40px 0;}
  .s-b{padding:48px 0;}
  .s-c{padding:56px 0;}
  .fig-main{margin-top:34px;}
  .arc{width:60%;height:26px;}
  .site-head .wrap{padding-top:18px;padding-bottom:18px;}
}