/* ==========================================================================
   attenage.com — Attention Age LTD
   Sito statico. Nessun framework, nessun build step.
   Direzione visiva: "Signal" — gli archi del logo come elemento portante.
   ========================================================================== */

:root{
  --red:#da352b;
  --red-deep:#a81f17;
  --ink:#17100e;
  --body:#4a423e;
  --paper:#ffffff;
  --rule:#e6e2df;
  --field:#f7f5f4;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:99}
.skip:focus{left:8px;top:8px}

.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,5vw,60px)}
.display{font-family:"Bricolage Grotesque","Instrument Sans",system-ui,sans-serif;font-weight:800;letter-spacing:-.025em;line-height:.98}
.tag{font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase}

/* --------------------------------------------------------- testata rossa */
.masthead{position:relative;background:var(--red);color:#fff;overflow:hidden;isolation:isolate}
.masthead .wrap{position:relative;z-index:2}
.top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:clamp(24px,4vw,36px) 0}
.wordmark{display:flex;align-items:center;gap:11px;text-decoration:none;color:#fff}
.wordmark svg{width:28px;height:28px;flex:none}
.wordmark b{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:14px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.nav a{margin-left:clamp(14px,3vw,30px);text-decoration:none;color:rgba(255,255,255,.82)}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
@media (max-width:620px){
  .top{flex-wrap:wrap;gap:20px}
  .nav{width:100%;display:flex;gap:18px}
  .nav a{margin-left:0}
}

/* firma: archi concentrici che si propagano dal bordo sinistro */
.arcs{position:absolute;left:-14vw;top:50%;transform:translateY(-50%);width:min(120vh,1000px);height:min(120vh,1000px);z-index:1;pointer-events:none}
.arcs circle{fill:none;stroke:#fff;stroke-width:1.1;opacity:0;transform-origin:50% 50%;animation:propagate 1.9s cubic-bezier(.16,.72,.3,1) forwards}
.arcs circle:nth-child(1){animation-delay:.05s}
.arcs circle:nth-child(2){animation-delay:.17s}
.arcs circle:nth-child(3){animation-delay:.29s}
.arcs circle:nth-child(4){animation-delay:.41s}
.arcs circle:nth-child(5){animation-delay:.53s}
.arcs circle:nth-child(6){animation-delay:.65s}
@keyframes propagate{
  0%{opacity:0;transform:scale(.18)}
  22%{opacity:.5}
  100%{opacity:.16;transform:scale(1)}
}
@media (prefers-reduced-motion:reduce){
  .arcs circle{animation:none;opacity:.16;transform:none}
}

/* hero della home */
.hero{padding-bottom:clamp(64px,11vw,132px);padding-top:clamp(40px,8vw,90px)}
.hero h1{margin:0;max-width:15ch;font-size:clamp(2.7rem,8.4vw,6.4rem)}
.hero p{margin:clamp(22px,3vw,30px) 0 0;max-width:46ch;font-size:clamp(1.05rem,1.7vw,1.25rem);color:rgba(255,255,255,.88)}

/* testata compatta delle pagine interne */
.page-head{padding:clamp(40px,7vw,80px) 0 clamp(44px,7vw,84px)}
.page-head h1{margin:0;font-size:clamp(2.1rem,5.6vw,3.9rem);max-width:18ch}
.page-head p{margin:20px 0 0;max-width:52ch;font-size:clamp(1rem,1.6vw,1.18rem);color:rgba(255,255,255,.88)}

/* ------------------------------------------------------------- numeri */
.figures{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--rule)}
.figures div{padding:clamp(26px,4vw,40px) clamp(14px,2vw,28px);border-left:1px solid var(--rule)}
.figures div:first-child{border-left:0;padding-left:0}
.figures b{display:block;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:clamp(1.6rem,3.4vw,2.5rem);letter-spacing:-.02em;line-height:1}
.figures span{display:block;margin-top:9px;color:var(--body);font-size:13px;line-height:1.45}
@media (max-width:760px){
  .figures{grid-template-columns:1fr 1fr}
  .figures div{border-top:1px solid var(--rule)}
  .figures div:nth-child(-n+2){border-top:0}
  .figures div:nth-child(odd){border-left:0;padding-left:0}
}

/* ------------------------------------------------------------- sezioni */
.band{padding:clamp(56px,9vw,104px) 0;border-bottom:1px solid var(--rule)}
.band:last-of-type{border-bottom:0}
.band > .wrap > .tag{color:var(--red);margin:0 0 clamp(26px,4vw,40px)}
.section-title{margin:0 0 clamp(28px,4vw,44px);font-size:clamp(1.7rem,3.6vw,2.6rem);max-width:22ch}
.prose{max-width:62ch}
.prose p{margin:0 0 18px;color:var(--body)}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink);font-weight:600}

.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,52px)}
@media (max-width:820px){.cols{grid-template-columns:1fr;gap:34px}}
.cols h3{margin:0 0 10px;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:1.12rem;letter-spacing:-.01em}
.cols h3::before{content:"";display:block;width:30px;height:4px;background:var(--red);margin-bottom:16px}
.cols p{margin:0;color:var(--body)}

/* ------------------------------------------------ dati societari */
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(24px,5vw,64px);margin:0}
@media (max-width:700px){.facts{grid-template-columns:1fr}}
.facts div{padding:15px 0;border-top:1px solid var(--rule)}
.facts dt{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--body)}
.facts dd{margin:4px 0 0;font-weight:500}

.more{display:inline-block;margin-top:30px;font-weight:600;font-size:14px;text-decoration:none;border-bottom:2px solid var(--red);padding-bottom:3px}
.more:hover{color:var(--red)}

/* ------------------------------------------------------------- contatti */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(30px,6vw,72px);align-items:start}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-grid .lead{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;letter-spacing:-.02em;font-size:clamp(1.15rem,2vw,1.4rem);margin:0 0 20px;max-width:24ch}
a.big{display:block;text-decoration:none;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:clamp(1.05rem,2vw,1.35rem);color:var(--red)}
a.big:hover{text-decoration:underline;text-underline-offset:4px}
address{margin-top:18px;font-style:normal;color:var(--body);line-height:1.75}

.f{margin-bottom:20px}
.f label{display:block;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--body);margin-bottom:7px}
.f input,.f textarea{
  width:100%;font-family:inherit;font-size:16px;color:var(--ink);
  background:var(--field);border:1px solid transparent;border-radius:3px;padding:13px 14px;
}
.f textarea{resize:vertical;min-height:130px}
.f input:focus,.f textarea:focus{outline:0;background:#fff;border-color:var(--red)}
.hp{position:absolute;left:-9999px}
button{
  font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:14px;
  background:var(--red);color:#fff;border:0;border-radius:3px;padding:15px 30px;cursor:pointer;transition:background .18s;
}
button:hover{background:var(--red-deep)}

.msg{padding:16px 18px;border-radius:3px;margin:0 0 28px;font-size:15px;line-height:1.5}
.msg-ok{background:#f1f7f2;border-left:4px solid #2f7d43;color:#215c32}
.msg-err{background:#fdf2f1;border-left:4px solid var(--red);color:#8f231b}

/* --------------------------------------------------------------- footer */
.site-foot{padding:clamp(40px,6vw,64px) 0;font-size:13px;color:var(--body);line-height:1.9;border-top:1px solid var(--rule)}
.site-foot b{color:var(--ink);font-weight:600}
.site-foot a{text-decoration:none;border-bottom:1px solid var(--rule)}
.site-foot a:hover{color:var(--red)}
.foot-nav{margin-bottom:14px;display:flex;flex-wrap:wrap;gap:0 22px}
.foot-nav a{border-bottom:0;font-weight:600;color:var(--ink)}

/* ---------------------------------------------------------- pagine errore */
.oops{padding:clamp(70px,14vw,150px) 0}
.oops h1{margin:0;font-size:clamp(2.2rem,7vw,4.4rem)}
.oops p{margin:22px 0 0;max-width:46ch;color:var(--body);font-size:1.08rem}