/* ===========================================================
   STN Professionisti Associati - stile sito statico
   =========================================================== */

:root{
  --ink:#222222;
  --ink-soft:#555555;
  --line:#e2e2e2;
  --paper:#ffffff;
  --paper-alt:#f6f6f6;
  --accent:#8a7a4e;
  --accent-dark:#6d603d;
  --footer-bg:#222222;
  --footer-ink:#c5c5c5;
  --maxw:1140px;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"Open Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-soft);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:"Roboto Slab",Georgia,"Times New Roman",serif;
  color:var(--ink);
  line-height:1.25;
  margin:0 0 .6em;
  font-weight:400;
}

a{color:var(--accent-dark);text-decoration:none;}
a:hover{color:var(--accent);text-decoration:underline;}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

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

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- Header / navigazione ---------- */

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:78px;
}
.logo img{max-height:52px;width:auto;}

.nav-toggle{
  display:none;border:1px solid var(--line);background:none;
  padding:9px 12px;border-radius:3px;cursor:pointer;
  font-size:15px;color:var(--ink);
}

.nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:4px;}
.nav a{
  display:block;padding:10px 14px;
  font-size:13px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink);font-weight:600;
}
.nav a:hover,.nav a[aria-current="page"]{color:var(--accent-dark);text-decoration:none;}
.nav a[aria-current="page"]{border-bottom:2px solid var(--accent);}

.has-sub{position:relative;}
.has-sub > button{
  font:inherit;font-size:13px;letter-spacing:.09em;text-transform:uppercase;
  font-weight:600;color:var(--ink);background:none;border:0;cursor:pointer;
  padding:10px 14px;display:flex;align-items:center;gap:6px;
}
.has-sub > button::after{content:"";border:4px solid transparent;border-top-color:currentColor;margin-top:4px;}
.has-sub > button:hover{color:var(--accent-dark);}
.submenu{
  display:none;position:absolute;top:100%;left:0;min-width:290px;
  background:#fff;border:1px solid var(--line);
  box-shadow:0 12px 28px rgba(0,0,0,.10);
  padding:6px 0;flex-direction:column;gap:0;
}
.has-sub.open .submenu{display:flex;}
.submenu a{
  padding:9px 18px;text-transform:none;letter-spacing:0;
  font-size:14px;font-weight:400;color:var(--ink-soft);white-space:nowrap;
}
.submenu a:hover{background:var(--paper-alt);color:var(--accent-dark);}

/* ---------- Hero ---------- */

.hero{
  position:relative;min-height:520px;
  display:flex;align-items:center;
  background:#333 url("../img/stn.jpg") center/cover no-repeat;
  color:#fff;text-align:center;
}
.hero::after{content:"";position:absolute;inset:0;background:rgba(20,22,26,.55);}
.hero .wrap{position:relative;z-index:1;padding-top:80px;padding-bottom:80px;}
.hero h1{
  color:#fff;font-size:clamp(1.6rem,3.4vw,2.7rem);
  max-width:900px;margin:0 auto .5em;
}
.hero p{
  color:rgba(255,255,255,.88);font-size:clamp(1rem,1.6vw,1.2rem);
  max-width:760px;margin:0 auto;
}

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

.page-head{
  background:#333 url("../img/ban.jpg") center/cover no-repeat;
  position:relative;color:#fff;
}
.page-head::after{content:"";position:absolute;inset:0;background:rgba(20,22,26,.62);}
.page-head .wrap{position:relative;z-index:1;padding:64px 20px;}
.page-head h1{color:#fff;margin:0;font-size:clamp(1.5rem,3vw,2.2rem);}
.breadcrumb{
  margin:10px 0 0;font-size:13px;letter-spacing:.06em;
  text-transform:uppercase;color:rgba(255,255,255,.75);
}
.breadcrumb a{color:rgba(255,255,255,.9);}

/* ---------- Sezioni ---------- */

section{padding:70px 0;}
section.alt{background:var(--paper-alt);}

.section-title{
  text-align:center;font-size:1.6rem;letter-spacing:.05em;
  text-transform:uppercase;margin-bottom:.35em;
}
.section-title + .lede{text-align:center;max-width:760px;margin:0 auto 46px;}

.rule{
  width:64px;height:3px;background:var(--accent);
  margin:0 auto 42px;border:0;
}

/* ---------- Layout due colonne ---------- */

.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.content-grid{display:grid;grid-template-columns:1fr 300px;gap:52px;align-items:start;}

.sidebar{border-left:3px solid var(--accent);padding-left:0;}
.sidebar h2{
  font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;
  padding:0 0 0 20px;margin-bottom:16px;color:var(--ink);
}
.sidebar ul{list-style:none;margin:0;padding:0;}
.sidebar li{border-bottom:1px solid var(--line);}
.sidebar li:last-child{border-bottom:0;}
.sidebar a{
  display:block;padding:13px 20px;font-size:13.5px;
  line-height:1.5;color:var(--ink-soft);
}
.sidebar a:hover{background:var(--paper-alt);color:var(--accent-dark);text-decoration:none;}

/* ---------- Bottoni ---------- */

.btn{
  display:inline-block;margin-top:14px;
  padding:13px 30px;border:2px solid var(--accent);
  color:var(--accent-dark);background:none;
  font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;
  transition:background .2s ease,color .2s ease;
}
.btn:hover{background:var(--accent);color:#fff;text-decoration:none;}
.btn-light{border-color:#fff;color:#fff;}
.btn-light:hover{background:#fff;color:var(--ink);}

/* ---------- Aree di attività ---------- */

.area{
  padding:34px 0;border-bottom:1px solid var(--line);
  scroll-margin-top:100px;
}
.area:first-of-type{padding-top:0;}
.area:last-of-type{border-bottom:0;}
.area h2{font-size:1.28rem;}
.area .who{
  list-style:none;margin:18px 0 0;padding:16px 0 0;
  border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;gap:8px 10px;
}
.area .who li{
  font-size:13px;background:var(--paper-alt);
  border:1px solid var(--line);padding:5px 13px;
}
.area .who a{color:var(--ink-soft);}
.area .who a:hover{color:var(--accent-dark);}

/* ---------- Professionisti ---------- */

.people{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));
  gap:26px;list-style:none;margin:0;padding:0;
}
.person-card{
  border:1px solid var(--line);background:#fff;
  padding:28px 26px;display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease;
}
.person-card:hover{box-shadow:0 10px 26px rgba(0,0,0,.08);transform:translateY(-3px);}
.person-card .role{
  font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--accent-dark);margin:0 0 8px;font-weight:700;
}
.person-card h3{font-size:1.1rem;margin:0 0 12px;}
.person-card p{font-size:14px;margin:0 0 18px;flex:1;}
.person-card .more{
  font-size:12px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;
}

.bio-meta{
  margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
  font-size:14.5px;
}
.bio-meta div{margin-bottom:6px;}
.bio-meta .label{
  display:inline-block;min-width:74px;font-weight:700;color:var(--ink);
}

/* ---------- Contatti ---------- */

.contact-list{list-style:none;margin:0;padding:0;}
.contact-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.contact-list li:last-child{border-bottom:0;}
.contact-list .k{
  min-width:96px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  font-weight:700;color:var(--ink);padding-top:3px;
}
.contact-list .v{font-size:16.5px;color:var(--ink);}
.map-embed{border:1px solid var(--line);overflow:hidden;min-height:340px;}
.map-embed iframe{width:100%;height:100%;min-height:340px;border:0;display:block;}

/* ---------- Footer ---------- */

.site-footer{
  background:var(--footer-bg) url("../img/footer-bg.jpg") center/cover no-repeat;
  color:var(--footer-ink);position:relative;
}
.site-footer::before{content:"";position:absolute;inset:0;background:rgba(24,24,24,.92);}
.site-footer .wrap{position:relative;z-index:1;}
.footer-main{
  padding:62px 0 40px;
  display:grid;grid-template-columns:2fr 1fr;gap:52px;
}
.site-footer h2{
  color:#c5c5c5;font-size:1rem;letter-spacing:.12em;
  text-transform:uppercase;margin-bottom:18px;
}
.site-footer p{font-size:14.5px;color:#9d9d9d;margin:0 0 12px;}
.site-footer a{color:#c5c5c5;}
.site-footer a:hover{color:#fff;}
.footer-logo{max-height:46px;margin-bottom:20px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:#8b8b8b;
}

/* ---------- Responsive ---------- */

@media (max-width:900px){
  .split,.content-grid,.footer-main{grid-template-columns:1fr;gap:36px;}
  .nav-toggle{display:block;}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 12px 24px rgba(0,0,0,.10);
    max-height:78vh;overflow-y:auto;
  }
  .nav.open{display:block;}
  .site-header .wrap{position:relative;flex-wrap:wrap;}
  .nav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 0;}
  .nav a,.has-sub > button{padding:13px 20px;width:100%;}
  .submenu{
    position:static;border:0;box-shadow:none;
    background:var(--paper-alt);min-width:0;
  }
  .submenu a{padding-left:38px;}
  .sidebar{margin-top:10px;}
  section{padding:52px 0;}
  .hero{min-height:420px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;animation:none !important;}
}

/* ---------- Stampa ---------- */

@media print{
  .site-header,.hero,.page-head,.sidebar,.site-footer{display:none;}
  body{color:#000;font-size:12pt;}
}

/* ---------- Immagini aree e ritratti ---------- */

.area-img{
  width:100%;height:230px;object-fit:cover;
  margin:6px 0 22px;border:1px solid var(--line);
}

.card-photo{
  width:82px;height:82px;border-radius:50%;object-fit:cover;
  margin-bottom:18px;border:3px solid var(--paper-alt);
}

.bio-photo{
  float:right;width:190px;height:190px;object-fit:cover;
  border-radius:50%;margin:0 0 22px 30px;
  border:5px solid var(--paper-alt);
  box-shadow:0 6px 18px rgba(0,0,0,.10);
}

.bio-role{
  font-size:12px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--accent-dark);font-weight:700;margin-bottom:16px;
}

.bio-meta{clear:both;}

@media (max-width:640px){
  .bio-photo{float:none;margin:0 auto 24px;width:150px;height:150px;display:block;}
  .area-img{height:180px;}
}