/* ==========================================================================
   Studio Nicola Forti — stylesheet
   Minimal, bianco/nero, mobile-first
   ========================================================================== */

/* ---------- Font ---------- */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/inter-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/inter-500.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/inter-600.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/inter-700.woff2') format('woff2')}

/* ---------- Tokens ---------- */
:root{
  --ink:#0A0A0A;
  --ink-2:#1C1C1C;
  --gray:#6B6B6B;
  --gray-2:#9A9A9A;
  --line:#E4E4E1;
  --paper:#FFFFFF;
  --paper-2:#F7F7F5;
  --max:1180px;
  --gutter:24px;
  --header-h:76px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font);font-size:1.0625rem;line-height:1.75;font-weight:400;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,p,figure{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--ink);color:#fff}

/* ---------- Typography ---------- */
h1{font-size:clamp(2.6rem,7vw,4.6rem);line-height:1.04;letter-spacing:-.03em;font-weight:600}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.15;letter-spacing:-.02em;font-weight:600}
h3{font-size:1.2rem;line-height:1.35;letter-spacing:-.01em;font-weight:600}
p{color:var(--gray)}
.lead{font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.6;color:var(--ink-2);max-width:46ch}
.lead-para{font-size:1.15rem;line-height:1.7;color:var(--ink-2)}
.kicker{font-size:.78rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gray-2);margin-bottom:18px}
.eyebrow{font-size:.8rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gray);margin-bottom:26px}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(72px,10vw,132px) 0}
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:#fff;padding:12px 20px}
.skip-link:focus{left:12px;top:12px}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 28px;border-radius:2px;font-size:.9rem;font-weight:500;letter-spacing:.02em;
  border:1px solid transparent;transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease);
  white-space:nowrap;
}
.btn-solid{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-solid:hover{background:#2b2b2b;border-color:#2b2b2b}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);padding:15px 24px}
.btn-ghost:hover{border-color:var(--ink)}
.btn-invert{background:#fff;color:var(--ink);border-color:#fff}
.btn-invert:hover{background:transparent;color:#fff}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(255,255,255,0);border-bottom:1px solid transparent;
  transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--header-h)}

.brand{display:flex;align-items:center;gap:14px}
.brand-rule{width:2px;height:34px;background:var(--ink);flex:none}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-top{font-size:.62rem;font-weight:500;letter-spacing:.34em;text-transform:uppercase;color:var(--gray)}
.brand-name{font-size:1.02rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-top:5px}

.nav{display:flex;align-items:center;gap:34px}
.nav ul{display:flex;align-items:center;gap:30px}
.nav a{font-size:.92rem;color:var(--ink-2);position:relative;padding:4px 0}
.nav ul a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--ink);transition:width .3s var(--ease)}
.nav ul a:hover::after{width:100%}
.nav-cta{display:none}

.header-cta{padding:12px 22px;font-size:.85rem}
.burger{display:none;width:44px;height:44px;position:relative;flex:none}
.burger span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease),opacity .2s var(--ease)}
.burger span:nth-child(1){top:16px}
.burger span:nth-child(2){top:21.5px}
.burger span:nth-child(3){top:27px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  display:flex;align-items:center;
  min-height:clamp(520px,70vh,720px);
  padding:calc(var(--header-h) + 64px) 0 clamp(64px,8vw,104px);
  background:#EDEDEA url('../../img/hero-studio.webp') center right/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,
    rgba(255,255,255,.97) 0%,
    rgba(255,255,255,.95) 32%,
    rgba(255,255,255,.80) 54%,
    rgba(255,255,255,.38) 78%,
    rgba(255,255,255,.14) 100%);
}
.hero .wrap{position:relative;z-index:1}
.hero h1{margin-bottom:28px}
.hero .lead{margin-bottom:38px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Studio ---------- */
.studio{background:var(--paper)}
.studio-grid{display:grid;grid-template-columns:1fr;gap:34px}
.studio-head h2{max-width:16ch}
.studio-body p+p{margin-top:20px}

/* ---------- Services ---------- */
.services{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:clamp(40px,6vw,68px)}
.section-head h2{max-width:20ch}
.services-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,48px)}

.card{background:var(--paper);border:1px solid var(--line);display:flex;flex-direction:column;transition:border-color .35s var(--ease),transform .35s var(--ease)}
.card:hover{border-color:#c9c9c4;transform:translateY(-3px)}
.card-media{display:block;overflow:hidden;background:var(--paper-2)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:clamp(24px,3vw,34px);display:flex;flex-direction:column;flex:1}
.card-num{font-size:.75rem;font-weight:600;letter-spacing:.2em;color:var(--gray-2);margin-bottom:14px}
.card-body h3{margin-bottom:16px}
.card-body h3 a{transition:opacity .25s var(--ease)}
.card-body h3 a:hover{opacity:.6}
.card-body p{font-size:.97rem;line-height:1.7}
.card-body p+p{margin-top:14px}
.card-link{margin-top:auto;padding-top:24px;font-size:.88rem;font-weight:500;letter-spacing:.02em;display:inline-flex;align-items:center;gap:8px;color:var(--ink)}
.card-link span{transition:transform .3s var(--ease)}
.card-link:hover span{transform:translateX(5px)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:#fff;padding:clamp(72px,10vw,120px) 0}
.cta-inner{text-align:center;display:flex;flex-direction:column;align-items:center}
.cta-band h2{color:#fff;max-width:22ch;margin-bottom:20px}
.cta-band p{color:#B4B4B4;max-width:52ch;margin-bottom:36px}

/* ---------- Footer ---------- */
.site-footer{background:var(--paper);padding:clamp(56px,8vw,88px) 0 32px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:44px}
.brand--footer{margin-bottom:20px}
.footer-role{font-size:.9rem;line-height:1.6;color:var(--gray)}
.footer-col h3{font-size:.75rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gray-2);margin-bottom:20px}
.footer-col li{font-size:.92rem;color:var(--gray);line-height:1.7}
.footer-col li+li{margin-top:10px}
.footer-col a{transition:color .25s var(--ease)}
.footer-col a:hover{color:var(--ink)}
.footer-contact li{color:var(--gray)}
.footer-bottom{margin-top:clamp(44px,6vw,64px);padding-top:26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center}
.footer-bottom p{font-size:.8rem;color:var(--gray-2);line-height:1.6}
.footer-legal{display:flex;gap:22px}
.footer-legal a{font-size:.8rem;color:var(--gray-2);transition:color .25s var(--ease)}
.footer-legal a:hover{color:var(--ink)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (scripting:none){.reveal{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media (min-width:720px){
  :root{--gutter:32px}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (min-width:960px){
  .studio-grid{grid-template-columns:0.85fr 1.15fr;gap:clamp(48px,6vw,96px);align-items:start}
  .studio-head{position:sticky;top:calc(var(--header-h) + 40px)}
}
@media (max-width:719px){
  .hero{min-height:auto;background-position:center;padding:calc(var(--header-h) + 52px) 0 60px}
  .hero::before{background:linear-gradient(180deg,
    rgba(255,255,255,.97) 0%,
    rgba(255,255,255,.94) 55%,
    rgba(255,255,255,.88) 100%)}
}
@media (max-width:959px){
  .header-cta{display:none}
  .burger{display:block}
  .nav{
    position:fixed;inset:var(--header-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px var(--gutter) 28px;
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .nav ul{flex-direction:column;align-items:stretch;gap:0}
  .nav ul li{border-bottom:1px solid var(--line)}
  .nav ul a{display:block;padding:18px 0;font-size:1.05rem}
  .nav ul a::after{display:none}
  .nav-cta{display:inline-flex;margin-top:24px;width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* ==========================================================================
   Pagine interne: testata, prosa, ambiti, altri servizi, contatti
   ========================================================================== */

/* ---------- Testata pagina ---------- */
.page-hero{
  position:relative;display:flex;align-items:flex-end;
  min-height:clamp(340px,44vh,500px);
  padding:calc(var(--header-h) + 56px) 0 clamp(44px,6vw,72px);
  background:#EDEDEA center/cover no-repeat;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.88) 0%,rgba(255,255,255,.74) 42%,rgba(255,255,255,.95) 100%);
}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-size:clamp(1.9rem,4.4vw,3.2rem);max-width:24ch;margin-top:14px}
.page-sub{margin-top:18px;font-size:clamp(1rem,1.8vw,1.2rem);line-height:1.6;color:var(--ink-2);max-width:46ch}
.page-hero--plain{
  background:var(--paper-2);border-bottom:1px solid var(--line);
  min-height:auto;padding:calc(var(--header-h) + 72px) 0 clamp(44px,5.5vw,68px);
}
.page-hero--plain::before{display:none}

/* ---------- Banda immagine pagine interne ---------- */
.page-media{margin:0;overflow:hidden;background:var(--paper-2)}
.page-media img{width:100%;height:clamp(200px,42vw,350px);object-fit:cover;object-position:center}

/* ---------- Prosa ---------- */
.prose{max-width:74ch}
.prose p{font-size:1.08rem;line-height:1.8}
.prose p+p{margin-top:22px}
.prose .lead-para{font-size:1.25rem;line-height:1.65;color:var(--ink-2)}

/* ---------- Ambiti di intervento ---------- */
.ambiti{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ambiti-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.ambito{background:var(--paper);padding:clamp(26px,3.4vw,40px)}
.ambito h3{margin-bottom:14px}
.ambito p{font-size:.97rem;line-height:1.7}

/* ---------- Altri servizi ---------- */
.altri-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.altri-link{
  background:var(--paper);padding:clamp(24px,3vw,34px);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  transition:background .3s var(--ease);
}
.altri-link:hover{background:var(--paper-2)}
.altri-link span:first-child{font-size:1.05rem;font-weight:500;line-height:1.4}
.altri-link .arrow{flex:none;transition:transform .3s var(--ease)}
.altri-link:hover .arrow{transform:translateX(5px)}

/* ---------- Contatti ---------- */
.contatti-grid{display:grid;grid-template-columns:1fr;gap:clamp(36px,5vw,64px)}
.contatti-list{display:grid;gap:28px;margin:0}
.contatti-item dt{font-size:.75rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gray-2);margin-bottom:8px}
.contatti-item dd{margin:0;font-size:1.1rem;line-height:1.6;color:var(--ink)}
.contatti-item dd a{border-bottom:1px solid var(--line);transition:border-color .25s var(--ease)}
.contatti-item dd a:hover{border-color:var(--ink)}
.contatti-cta{margin-top:38px}
.contatti-figure{margin:0 0 26px;overflow:hidden;background:var(--paper-2);border:1px solid var(--line)}
.contatti-figure img{width:100%;height:clamp(200px,30vw,320px);object-fit:cover;object-position:center;display:block}
.contatti-reach{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.contatti-address{font-size:1.05rem;line-height:1.55;color:var(--ink);margin:0}

@media (min-width:720px){
  .ambiti-grid{grid-template-columns:repeat(3,1fr)}
  .altri-grid{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:960px){
  .contatti-grid{grid-template-columns:1fr 1.1fr;align-items:start}
}