/* Winterlude IT — solo chrome: reset minimo, header, nav, footer, sticky CTA, bottoni chrome */
*,*::before,*::after{box-sizing:border-box}
html{height:100%;scroll-padding-top:var(--header-offset, 88px)}
html,body{margin:0;padding:0}
section[id],[id]{scroll-margin-top:var(--header-offset, 88px)}
img{max-width:100%;display:block}
a{color:#c3002f;text-decoration:none}
a:hover{text-decoration:underline}
:root{
  --bg:#ffffff;--text:#111;--muted:#555;--brand:#df012d;--line:#e7e7e7;--ok:#21a67a;
  --radius:10px;--shadow:0 8px 22px rgba(0,0,0,.08);--container:960px
}
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1 0 auto}
.container{width:100%;max-width:var(--container);margin:auto;padding:0 16px}

/* Header */
header{
  position:sticky;
  top:0;
  z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(120%) blur(6px);
  flex-shrink:0;
}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px}
.brand img{width:60px;height:auto;transition:transform .2s ease}
.brand img:hover{transform:scale(1.04)}
@media (min-width:992px){.brand img{width:120px;height:auto}}

.hamburger{
  display:inline-flex;flex-direction:column;gap:4px;
  width:36px;height:28px;justify-content:center;align-items:center;
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;cursor:pointer
}
.hamburger span{display:block;width:18px;height:2px;background:#111}

nav{position:relative}
.nav-links{
  display:none;position:absolute;right:0;top:42px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:8px;min-width:240px
}
.nav-links.open{display:block}
.nav-links > a:not(.cta-head),
.nav-parent-link{
  display:block;padding:8px 10px;color:var(--text);background:transparent;border:0;
  font:inherit;text-align:left;width:100%;cursor:pointer;text-decoration:none
}
.nav-parent-link:hover{text-decoration:underline}
.nav-item{position:relative}
.nav-parent-row{
  display:flex;align-items:center;justify-content:space-between;gap:4px;width:100%
}
.nav-parent-row .nav-parent-link{flex:1;width:auto}
.nav-caret{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;padding:0;border:0;border-radius:var(--radius);
  background:transparent;cursor:pointer
}
.nav-caret span{
  display:block;width:0;height:0;
  border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid #555
}
.nav-item.open > .nav-parent-row .nav-caret span{transform:rotate(180deg)}
.nav-sub{
  display:none;list-style:none;margin:0;padding:4px 0 8px 10px
}
.nav-item.open > .nav-sub{display:block}
.nav-sub a{display:block;padding:7px 10px;color:var(--text);font-size:.95em}
.nav-links > a.cta-head{
  display:block;margin-top:6px;width:auto;text-align:center;
  color:#fff!important;background:var(--brand);border:1px solid var(--brand);
  padding:10px 14px;border-radius:8px;font-weight:700;text-decoration:none
}
.nav-links > a.cta-head:hover{box-shadow:0 6px 16px rgba(0,0,0,.08);text-decoration:none}

@media (min-width:992px){
  .hamburger{display:none}
  .nav-links{
    display:flex;position:static;border:0;box-shadow:none;padding:0;
    gap:14px;min-width:auto;align-items:center
  }
  .nav-links > a:not(.cta-head),
  .nav-parent-link{
    display:inline-flex;width:auto;padding:0;align-items:center
  }
  .nav-parent-row{width:auto;gap:2px}
  .nav-caret{width:22px;height:22px}
  .nav-item:hover > .nav-sub,
  .nav-item:focus-within > .nav-sub,
  .nav-item.open > .nav-sub{
    display:block
  }
  .nav-sub{
    position:absolute;top:100%;left:0;min-width:220px;padding:8px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow);z-index:60
  }
  .nav-sub a{padding:8px 10px}
  .nav-links > a.cta-head{
    display:inline-flex;align-items:center;margin-top:0;
    padding:8px 14px;width:auto
  }
}

/* Buttons (usati in header CTA / sticky / footer azioni) */
.btn{
  display:inline-block;padding:10px 14px;border-radius:8px;border:1px solid #ccc;
  background:#f6f6f6;color:#111;font-weight:700;text-align:center;
  transition:transform .08s ease, box-shadow .2s ease
}
.btn:active{transform:translateY(1px)}
.btn:hover{box-shadow:0 6px 16px rgba(0,0,0,.08);text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-outline{background:#fff;border-color:#111;color:#111}
.btn-whatsapp{background:#25D366;border-color:#25D366;color:#fff}
.btn-whatsapp:hover{background:#1ebe5d;border-color:#1ebe5d}

.sticky-cta{
  position:sticky;bottom:0;z-index:40;flex-shrink:0;background:#fff;
  border-top:1px solid var(--line);padding:10px 16px;display:flex;gap:10px;
  justify-content:space-between;box-shadow:0 -4px 16px rgba(0,0,0,.06)
}
.sticky-cta .btn{flex:1}
@media(min-width:992px){
  .sticky-cta{justify-content:center;gap:16px}
  .sticky-cta .btn{flex:0 0 auto;min-width:160px}
}

footer{background:#0e0e0e;color:#e6e6e6;margin-top:0;flex-shrink:0}
footer a{color:#fff}
.footer-top{padding:28px 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:20px}
.footer-sub{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.sub{border-top:1px solid #1e1e1e;padding:12px 0;color:#aaa;font-size:14px}
@media (min-width:992px){
  .footer-grid{grid-template-columns:2fr 1fr 1fr}
}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease, transform .5s ease}
.reveal.in{opacity:1;transform:none}

@media (min-width:992px){
  body{font-size:17px;line-height:1.7}
}