/* ============================================================
   SINGULAR — Editorial studio design system
   Type: Newsreader (serif display) · Archivo (sans) · Space Mono (tech)
   Color: logo blues — cyan #58c2e3 → blue #3370b5 → indigo #30398b
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,300;0,6..72,400;0,6..72,500;1,6..72,300;1,6..72,400&family=Archivo:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root{
  /* palette */
  --cyan:#58c2e3;
  --blue:#3370b5;
  --indigo:#30398b;
  --ink:#101f47;          /* primary text — deep navy */
  --ink-2:#3b4a72;        /* secondary text */
  --ink-3:#7c87a6;        /* muted / mono labels */
  --paper:#f8fafb;        /* page background, cool off-white */
  --paper-2:#eef2f6;      /* alt panel */
  --line:#dde4ec;         /* hairlines */
  --navy:#0b1838;         /* dark section bg */
  --navy-2:#0e1e44;
  --white:#ffffff;

  --grad: linear-gradient(105deg, var(--cyan) 0%, var(--blue) 48%, var(--indigo) 100%);

  /* type */
  --serif:'Newsreader', Georgia, serif;
  --sans:'Archivo', system-ui, sans-serif;
  --mono:'Space Mono', ui-monospace, monospace;

  /* layout */
  --maxw:1320px;
  --gutter:clamp(20px, 5vw, 64px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  font-size:17px;
  line-height:1.6;
  letter-spacing:-0.005em;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--cyan);color:var(--navy)}

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

/* ---------- typography helpers ---------- */
.mono{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--ink-3);
  font-weight:400;
}
.serif{font-family:var(--serif);font-weight:400;letter-spacing:-0.01em;line-height:1.04}
.italic{font-style:italic}
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

h1,h2,h3{font-weight:500;letter-spacing:-0.02em;line-height:1.05}

.display{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(40px, 7vw, 96px);
  line-height:1.0;
  letter-spacing:-0.02em;
}
.h2{
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(30px, 4.4vw, 60px);
  line-height:1.03;
  letter-spacing:-0.02em;
}
.lede{
  font-size:clamp(18px,2vw,23px);
  line-height:1.5;
  color:var(--ink-2);
  font-weight:400;
  max-width:60ch;
}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(248,250,251,.78);
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:112px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:90px;width:auto;transition:height .4s var(--ease)}
.site-header.scrolled .brand img{height:64px}
.brand .logo-light{display:none}
/* over a dark hero (homepage), swap to the light logo + white nav until scrolled */
body.dark-hero .site-header:not(.scrolled) .brand .logo-dark{display:none}
body.dark-hero .site-header:not(.scrolled) .brand .logo-light{display:block}
.nav{display:flex;align-items:center;gap:clamp(18px,3vw,40px)}
.nav a{
  font-size:14px;font-weight:500;color:var(--ink-2);
  position:relative;padding:6px 0;transition:color .25s;
}
.nav a:hover{color:var(--ink)}
.nav a.cta{
  color:var(--ink);
  display:inline-flex;align-items:center;gap:7px;
}
.nav a.cta::after{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}
.nav a.here{color:var(--ink)}

/* white nav over dark hero (top, not scrolled) */
body.dark-hero .site-header:not(.scrolled) .nav a{color:rgba(255,255,255,.72)}
body.dark-hero .site-header:not(.scrolled) .nav a:hover,
body.dark-hero .site-header:not(.scrolled) .nav a.here,
body.dark-hero .site-header:not(.scrolled) .nav a.cta{color:#fff}
body.dark-hero .site-header:not(.scrolled) .nav a.u::before{background:#fff}

/* underline hover for normal nav links */
.nav a.u::before{
  content:"";position:absolute;left:0;bottom:-1px;height:1px;width:0;
  background:var(--ink);transition:width .3s var(--ease);
}
.nav a.u:hover::before{width:100%}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease), transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1 !important;transform:none !important}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-weight:600;font-size:15px;
  padding:13px 22px;border-radius:100px;border:1px solid var(--ink);
  color:var(--ink);background:transparent;cursor:pointer;
  transition:background .3s var(--ease), color .3s var(--ease), transform .3s var(--ease);
}
.btn:hover{background:var(--ink);color:var(--paper);transform:translateY(-1px)}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translate(3px,-3px)}
.btn.light{border-color:rgba(255,255,255,.4);color:#fff}
.btn.light:hover{background:#fff;color:var(--navy)}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#fff;padding:96px 0 44px}
.site-footer .top{display:flex;flex-wrap:wrap;gap:48px;justify-content:space-between;align-items:flex-end}
.site-footer img{height:48px}
.site-footer .big{
  font-family:var(--serif);font-weight:300;font-style:italic;
  font-size:clamp(28px,4vw,52px);line-height:1.05;max-width:18ch;
  color:#fff;letter-spacing:-0.02em;
}
.site-footer .meta{display:flex;flex-wrap:wrap;gap:40px;margin-top:64px;padding-top:30px;
  border-top:1px solid rgba(255,255,255,.14)}
.site-footer .meta .col span{display:block}
.site-footer .meta .k{color:#6f7fae;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:8px}
.site-footer .meta .v{color:#cdd6ee;font-size:15px}

/* legal strip — dati societari + copyright */
.site-footer .legal{
  display:flex;flex-wrap:wrap;gap:22px 48px;justify-content:space-between;align-items:flex-start;
  margin-top:40px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
}
.site-footer .legal .biz{font-size:13px;line-height:1.75;color:#9fb0d8;max-width:62ch}
.site-footer .legal .biz strong{color:#cdd6ee;font-weight:600}
.site-footer .legal .right{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.site-footer .legal .cright{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:#6f7fae;text-transform:uppercase}
.site-footer .legal a{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:#8fe1f4;border-bottom:1px solid rgba(143,225,244,.4);padding-bottom:2px;transition:color .25s,border-color .25s;
}
.site-footer .legal a:hover{color:#fff;border-color:#fff}
@media (max-width:680px){.site-footer .legal .right{align-items:flex-start}}
.soon{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:#8fe1f4;border:1px solid rgba(143,225,244,.3);border-radius:100px;padding:6px 12px;
}
.soon .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}