/* ============================================================
   LINDOO — base.css (condiviso da TUTTE le pagine)
   Token, reset, tipografia base, bottoni, nav, footer, reveal.
   ============================================================ */
:root{
  /* ciano */
  --cyan-50:#ECFBFD; --cyan-100:#CFF4F9; --cyan-200:#A3E9F1; --cyan-300:#6BD8E6;
  --cyan-400:#2FC4D7; --cyan-500:#0CB6CE; --cyan-600:#0A93A8; --cyan-700:#0B7585;
  --cyan-800:#0F5E6B; --cyan-900:#124E58;
  /* corallo */
  --coral-50:#FFF1EF; --coral-100:#FFE0DB; --coral-200:#FFC4BC; --coral-300:#FF9E92;
  --coral-400:#FF7E6F; --coral-500:#FF6B5E; --coral-600:#ED5142; --coral-700:#C73B2E;
  /* neutri freddi */
  --n-0:#FFFFFF; --n-50:#F2FAFC; --n-100:#E8F1F3; --n-200:#D6E3E6; --n-300:#B9CACE;
  --n-400:#8DA3A8; --n-500:#5A7479; --n-600:#3F585C; --n-700:#2A3F43; --n-800:#1B2E32; --n-900:#0F2E33;
  --skin:#FBE9DD;
  /* semantici */
  --bg:var(--n-0); --surface:var(--n-50); --ink:var(--n-900); --muted:var(--n-500); --border:var(--n-200);
  --primary:var(--cyan-500); --primary-hover:var(--cyan-600); --accent:var(--coral-500); --accent-hover:var(--coral-600);
  /* tipografia */
  --sans:'Figtree',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  /* raggi */
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px; --r-pill:999px;
  /* ombre (tinta ink) */
  --sh-sm:0 1px 2px rgba(15,46,51,.06),0 1px 3px rgba(15,46,51,.08);
  --sh-md:0 4px 12px rgba(15,46,51,.08),0 2px 4px rgba(15,46,51,.06);
  --sh-lg:0 12px 32px rgba(15,46,51,.12),0 4px 8px rgba(15,46,51,.06);
  --sh-primary:0 8px 24px rgba(12,182,206,.28);
  --sh-accent:0 8px 24px rgba(255,107,94,.30);
  /* motion */
  --ease-out:cubic-bezier(.16,.84,.44,1);
  --ease-soft:cubic-bezier(.4,0,.2,1);
  --container:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans); color:var(--ink); background:var(--bg);
  font-size:17px; line-height:1.6; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* grana sottilissima anti-plastica */
body::before{
  content:""; position:fixed; inset:0; z-index:9999; pointer-events:none; opacity:.025;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.wrap{max-width:var(--container); margin:0 auto; padding:0 24px}
a{color:inherit; text-decoration:none}
img{display:block; max-width:100%}
section{position:relative}
h1,h2,h3{line-height:1.08; letter-spacing:-.02em; font-weight:800}

/* ---------- KICKER ---------- */
.kicker{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.8125rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:var(--cyan-700);
}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan-500);box-shadow:0 0 0 3px var(--cyan-100)}
.kicker--coral{color:var(--coral-500)}
.kicker--coral .dot{background:var(--coral-500);box-shadow:0 0 0 3px rgba(255,107,94,.22)}
.kicker--light{color:var(--cyan-200)}
.kicker--light .dot{background:var(--cyan-300);box-shadow:0 0 0 3px rgba(107,216,230,.2)}

/* ---------- BOTTONI ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--sans); font-weight:700; font-size:1rem; cursor:pointer;
  padding:15px 26px; border-radius:var(--r-pill); border:1.5px solid transparent;
  transition:transform .18s var(--ease-soft), box-shadow .18s var(--ease-soft), background .18s;
  white-space:nowrap;
}
.btn-primary{background:var(--accent); color:#fff; box-shadow:var(--sh-accent)}
.btn-primary:hover{background:var(--accent-hover); transform:translateY(-2px); box-shadow:0 12px 30px rgba(255,107,94,.40)}
.btn-primary:active{transform:translateY(0)}
.btn-cyan{background:var(--primary); color:#fff; box-shadow:var(--sh-primary)}
.btn-cyan:hover{background:var(--primary-hover); transform:translateY(-2px)}
.btn-ghost{background:transparent; color:var(--cyan-700); border-color:var(--cyan-200)}
.btn-ghost:hover{background:var(--cyan-50); border-color:var(--cyan-400)}
.btn-white{background:#fff; color:var(--cyan-700)}
.btn-white:hover{transform:translateY(-2px); box-shadow:var(--sh-lg)}
.btn .spark4{width:16px;height:16px;transition:transform .25s var(--ease-out)}
.btn-primary:hover .spark4{transform:rotate(90deg) scale(1.15)}
.btn-lg{padding:17px 32px; font-size:1.05rem}
.link-arrow{font-weight:700; color:var(--cyan-700); display:inline-flex; align-items:center; gap:6px}
.link-arrow .a{transition:transform .2s var(--ease-out)}
.link-arrow:hover .a{transform:translateX(4px)}

/* ---------- NAV ---------- */
header.nav{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.78); backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid transparent; transition:border-color .3s, box-shadow .3s;
}
header.nav.scrolled{border-color:var(--border); box-shadow:var(--sh-sm)}
.nav-in{display:flex; align-items:center; justify-content:space-between; height:72px}
.nav-logo{height:50px; width:auto}
.nav-links{display:flex; align-items:center; gap:34px}
.nav-links a.nl{font-weight:600; font-size:.95rem; color:var(--n-700); position:relative}
.nav-links a.nl::after{content:""; position:absolute; left:0; bottom:-5px; width:0; height:2px; background:var(--cyan-500); transition:width .25s var(--ease-out)}
.nav-links a.nl:hover::after{width:100%}
.nav-cta{display:flex; align-items:center; gap:18px}
.nav-toggle{display:none}

/* ---------- FOOTER ---------- */
footer{background:var(--n-900); color:var(--n-300); padding:64px 0 34px}
.foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand img{height:30px; margin-bottom:16px}
.foot-brand p{font-size:.9rem; color:var(--n-400); max-width:32ch}
.foot-tag{font-size:1rem; font-weight:700; color:var(--n-100)!important; max-width:30ch; margin-bottom:12px; letter-spacing:-.01em}
.foot-contact{margin-top:16px; display:flex; flex-direction:column; gap:3px; font-size:.9rem}
.foot-contact a{color:var(--cyan-300); font-weight:700}
.foot-contact span{color:var(--n-400)}
.foot-fb{margin-top:18px; display:inline-flex; align-items:center; gap:9px; font-weight:700; color:var(--cyan-300); font-size:.9rem}
.foot-col h4{color:#fff; font-size:.82rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom:14px}
.foot-col a{display:block; font-size:.92rem; color:var(--n-300); margin-bottom:10px; transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bot{display:flex; justify-content:space-between; align-items:center; padding-top:24px; font-size:.82rem; color:var(--n-500); flex-wrap:wrap; gap:10px}

/* ---------- SCROLL REVEAL ---------- */
.reveal{opacity:0; transform:translateY(26px); transition:opacity .7s var(--ease-out), transform .7s var(--ease-out)}
.reveal.in{opacity:1; transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ---------- RESPONSIVE (condiviso) ---------- */
@media(max-width:900px){
  .nav-links{display:none}
  .foot-grid{grid-template-columns:1fr 1fr; gap:30px}
}
@media(max-width:520px){
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important; transition:none!important}
  .reveal{opacity:1; transform:none}
  .hero-copy>*{opacity:1}
}