/* ============================================================
   Oltremare — Scroll-scrub VIDEO hero
   Scroll drives the video's currentTime (scrub) over 0–SCRUB_END,
   then the shade + headline resolve over the final frame.
   Desktop: frame-accurate scrub. Touch: muted autoplay loop.
   Shared by index.html (IT) and en/index.html (EN).
   ============================================================ */

.vhero{height:340vh;position:relative;background:var(--ink)}
/* size to the LARGE viewport so the sticky stage always covers the screen
   even while the mobile URL bar animates (prevents a navy gap on scroll) */
.vhero-stage{position:sticky;top:0;height:100vh;height:100lvh;overflow:hidden;background:var(--ink)}
.vhero-poster,.vhero-stage canvas{position:absolute;inset:0;width:100%;height:100%}
.vhero-poster{object-fit:cover}
.vhero-stage canvas{display:block}

.vhero-shade{position:absolute;inset:0;z-index:4;opacity:0;transition:opacity .12s linear;
  background:radial-gradient(ellipse at 50% 56%, rgba(5,10,24,.5) 0%, rgba(5,10,24,.9) 74%)}

.vhero-overlay{position:absolute;inset:0;z-index:5;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:96px 24px 40px;opacity:0;pointer-events:none}
.vhero-inner{max-width:760px}
.vhero-eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:var(--mono);font-size:11px;
  letter-spacing:.32em;text-transform:uppercase;color:#ffe6b8;margin-bottom:22px}
.vhero-eyebrow::before{content:'';width:30px;height:1px;background:rgba(255,214,140,.7)}
.vhero-h1{font-family:'Marcellus',serif;font-weight:400;font-size:clamp(40px,7.4vw,84px);line-height:1.02;
  letter-spacing:-.01em;color:#fff;text-shadow:0 4px 40px rgba(0,0,0,.5)}
.vhero-h1 em{color:#ffce6b;font-style:italic}
.vhero-lead{max-width:600px;margin:24px auto 0;font-size:clamp(15px,2.3vw,19px);font-weight:300;line-height:1.6;
  color:rgba(255,255,255,.92);text-shadow:0 2px 20px rgba(0,0,0,.5)}
.vhero-lead strong{color:#ffd98a;font-weight:500}
.vhero-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.vhero-btn{padding:13px 26px;border-radius:5px;font-size:14px;font-weight:600;text-decoration:none;display:inline-block;
  transition:transform .2s,background .2s,border-color .2s;font-family:inherit;cursor:pointer}
.vhero-btn-primary{background:var(--ochre);color:#0a1024;border:1px solid var(--ochre)}
.vhero-btn-primary:hover{background:#e5a92a;border-color:#e5a92a;transform:translateY(-2px)}
.vhero-btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.45)}
.vhero-btn-ghost:hover{background:#fff;color:#0a1024;transform:translateY(-2px)}

.vhero-hint{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:6;display:flex;flex-direction:column;
  align-items:center;gap:8px;color:#fff;opacity:.85;transition:opacity .4s;font-family:var(--mono)}
.vhero-hint.hidden{opacity:0;pointer-events:none}
.vhero-hint span:first-child{font-size:10px;letter-spacing:.3em;text-transform:uppercase}
.vhero-chevron{width:14px;height:14px;border-right:2px solid var(--ochre);border-bottom:2px solid var(--ochre);
  transform:rotate(45deg);animation:vheroBob 1.6s infinite}
@keyframes vheroBob{0%,100%{transform:rotate(45deg) translate(0,0);opacity:.5}50%{transform:rotate(45deg) translate(4px,4px);opacity:1}}

.vhero-skip{position:absolute;right:18px;bottom:26px;z-index:6;background:rgba(5,10,24,.55);color:rgba(255,255,255,.75);
  border:1px solid rgba(255,255,255,.28);border-radius:100px;padding:9px 16px;font-size:12px;font-weight:600;cursor:pointer;
  font-family:inherit;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:color .2s,border-color .2s,opacity .4s}
.vhero-skip:hover{color:#fff;border-color:var(--ochre)}
.vhero-skip.hidden{opacity:0;pointer-events:none}

.vhero-load{position:absolute;left:0;right:0;bottom:0;height:2px;z-index:7;background:rgba(255,255,255,.08);opacity:1;transition:opacity .6s}
.vhero-load.done{opacity:0}
.vhero-load div{height:100%;width:0%;background:var(--ochre);transition:width .25s}

/* static fallback: first frame + headline immediately (reduced-motion / save-data / load error) */
.vhero-static .vhero{height:100vh;height:100svh}
.vhero-static .vhero-stage canvas,
.vhero-static .vhero-hint,.vhero-static .vhero-skip,.vhero-static .vhero-load{display:none}
.vhero-static .vhero-shade{opacity:.55}
.vhero-static .vhero-overlay,.vhero-loop .vhero-overlay{opacity:1;pointer-events:auto;transform:none}
.vhero-stalled .vhero-shade{opacity:.6}
.vhero-stalled .vhero-overlay{opacity:1!important;pointer-events:auto;transform:none!important}

@media (max-width:900px){.vhero{height:320vh}}
@media (max-width:600px){.vhero{height:280vh}.vhero-overlay{padding:88px 20px 36px}.vhero-eyebrow{letter-spacing:.24em}}

/* ============================================================
   Liquid-glass header — frosted glass + light text over the hero,
   reverting to the solid cream header once scrolled onto content.
   ============================================================ */
header.nav{transition:background .45s ease,border-color .45s ease,box-shadow .45s ease,-webkit-backdrop-filter .45s ease,backdrop-filter .45s ease}
header.nav.nav--glass{
  background:linear-gradient(180deg, rgba(255,255,255,.10) 0%, rgba(8,16,38,.16) 100%);
  -webkit-backdrop-filter:blur(22px) saturate(1.7);
  backdrop-filter:blur(22px) saturate(1.7);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22), 0 10px 34px rgba(0,0,0,.22);
}
.nav--glass .logo-name{color:#fff}
.nav--glass .logo-tag{color:#ffd98a}
.nav--glass .logo-mark{filter:brightness(0) invert(1);opacity:.94}
.nav--glass .nav-links a{color:rgba(255,255,255,.9)}
.nav--glass .nav-links a:hover{color:#ffd98a}
.nav--glass .lang-switch,.nav--glass .lang-switch a{color:rgba(255,255,255,.62)}
.nav--glass .lang-switch a:hover,.nav--glass .lang-switch a.active{color:#ffd98a}
.nav--glass .btn-primary{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.42);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.nav--glass .btn-primary:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ============================================================
   "Punti di forza" — cycling card stack (vanilla port of the
   Aceternity CardStack; no React). Cards rotate every 5s.
   ============================================================ */
.pillars{padding:130px 48px;background:var(--paper);border-top:1px solid var(--line)}
.pillars-inner{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.pillars-eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ochre);font-weight:500;margin-bottom:18px}
.pillars-copy h2{font-family:'Marcellus',serif;font-weight:400;font-size:clamp(32px,4vw,48px);line-height:1.08;letter-spacing:-.01em;color:var(--ink);margin-bottom:20px}
.pillars-copy h2 em{color:var(--ochre);font-style:italic}
.pillars-copy p{color:var(--muted);font-size:17px;line-height:1.65;max-width:420px}

.cardstack{position:relative;height:320px;width:100%;max-width:420px;margin:0 auto;
  touch-action:pan-y;cursor:grab;-webkit-user-select:none;user-select:none;outline:none}
.cardstack:active{cursor:grabbing}
.cstack-card{position:absolute;top:0;left:0;height:250px;width:100%;
  background:#fff;border-radius:22px;padding:30px 30px 26px;border:1px solid var(--line);
  box-shadow:0 20px 55px rgba(29,53,87,.13);display:flex;flex-direction:column;justify-content:space-between;
  transform-origin:top center;transition:transform .6s cubic-bezier(.22,.9,.3,1);will-change:transform}
.cstack-card::before{content:'“';position:absolute;top:14px;left:26px;font-family:'Marcellus',serif;font-size:52px;line-height:1;color:var(--ochre);opacity:.28}
.cstack-content{font-family:'Marcellus',serif;font-size:clamp(18px,1.5vw,21px);line-height:1.38;color:var(--ink);padding-top:26px}
.cstack-meta{margin-top:16px}
.cstack-name{font-weight:600;color:var(--ink);font-size:14px;letter-spacing:.01em}
.cstack-desig{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--ochre-deep);margin-top:3px;text-transform:uppercase}
.cstack-controls{position:absolute;left:0;right:0;bottom:0;display:flex;flex-direction:column;align-items:center;gap:12px}
.cstack-dots{display:flex;gap:7px;align-items:center}
.cstack-dots button{width:7px;height:7px;border-radius:50%;border:none;background:var(--line);cursor:pointer;padding:0;transition:width .3s,background .3s,border-radius .3s}
.cstack-dots button:hover{background:var(--ochre-deep)}
.cstack-dots button.active{background:var(--ochre);width:22px;border-radius:4px}
.cstack-hint{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

@media (max-width:820px){
  .pillars{padding:90px 24px}
  .pillars-inner{grid-template-columns:1fr;gap:44px}
  .pillars-copy{text-align:center}
  .pillars-copy p{margin-left:auto;margin-right:auto}
  .cardstack{height:310px;max-width:380px}
  .cstack-card{height:240px}
}