/* ============================================================
   BALTEO — Riso Carnaroli · Roberto Bagnod
   Stylesheet condiviso
   ============================================================ */

:root{
  --green-900:#12261d;   /* verde bosco profondo */
  --green-800:#183123;
  --green-700:#1f3d2c;
  --green-600:#2c4d39;
  --cream:#f4efe3;       /* crema carta */
  --cream-2:#ece4d2;
  --paper:#faf6ec;
  --gold:#b8934e;        /* oro / bronzo */
  --gold-light:#cca768;
  --ink:#20261f;
  --muted:#6b6a5c;
  --line:rgba(184,147,78,.35);
  --maxw:1200px;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Jost","Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.12;letter-spacing:.01em}
.serif{font-family:var(--serif)}
.eyebrow{
  font-family:var(--sans);font-size:.72rem;font-weight:500;
  letter-spacing:.42em;text-transform:uppercase;color:var(--gold);
}
p{font-size:1.05rem}
.lead{font-size:1.25rem;line-height:1.75;color:var(--muted)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,48px)}
section{padding:clamp(64px,9vw,130px) 0}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,48px);
  transition:background .4s ease,padding .4s ease,box-shadow .4s;
}
.nav.solid{
  background:rgba(18,38,29,.92);
  backdrop-filter:blur(10px);
  padding:12px clamp(20px,5vw,48px);
  box-shadow:0 1px 0 rgba(184,147,78,.18);
}
.nav__brand{display:flex;align-items:center;gap:12px}
.nav__brand img{height:30px;width:auto}
.nav__brand span{
  font-family:var(--serif);font-size:1.5rem;font-weight:600;
  letter-spacing:.22em;color:var(--cream);
}
.nav__links{display:flex;gap:30px;align-items:center}
.nav__links a{
  color:var(--cream);font-size:.82rem;letter-spacing:.16em;
  text-transform:uppercase;font-weight:400;opacity:.85;
  padding:6px 0;position:relative;transition:opacity .3s;
}
.nav__links a:hover,.nav__links a.active{opacity:1}
.nav__links a.active::after,.nav__links a:hover::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--gold);
}
.nav__cta{
  border:1px solid var(--gold);color:var(--gold-light)!important;
  padding:9px 20px!important;border-radius:2px;letter-spacing:.14em;
  transition:background .3s,color .3s;
}
.nav__cta:hover{background:var(--gold);color:var(--green-900)!important}
.nav__cta::after{display:none!important}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px}
.nav__toggle span{width:26px;height:2px;background:var(--cream);display:block}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-block;font-family:var(--sans);font-size:.82rem;
  letter-spacing:.16em;text-transform:uppercase;padding:15px 34px;
  border-radius:2px;cursor:pointer;transition:.35s;border:1px solid transparent;
}
.btn--gold{background:var(--gold);color:var(--green-900);font-weight:500}
.btn--gold:hover{background:var(--gold-light);transform:translateY(-2px)}
.btn--ghost{border-color:var(--cream);color:var(--cream)}
.btn--ghost:hover{background:var(--cream);color:var(--green-900)}
.btn--dark{border-color:var(--green-700);color:var(--green-800)}
.btn--dark:hover{background:var(--green-800);color:var(--cream)}

/* ---------- HERO ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  color:var(--cream);text-align:center;
}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img,.hero__bg video{width:100%;height:100%;object-fit:cover}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(18,38,29,.55) 0%,rgba(18,38,29,.35) 40%,rgba(18,38,29,.8) 100%);
}
.hero__inner{max-width:820px;margin:0 auto;padding:120px 24px 60px}
.hero__logo{height:74px;width:auto;margin:0 auto 26px}
.hero h1{
  font-size:clamp(3rem,9vw,6.6rem);letter-spacing:.16em;
  text-transform:uppercase;color:var(--cream);
}
.hero__sub{
  font-family:var(--serif);font-style:italic;font-size:clamp(1.2rem,3vw,1.7rem);
  color:var(--gold-light);margin-top:6px;letter-spacing:.05em;
}
.hero__desc{margin:24px auto 34px;max-width:560px;color:rgba(244,239,227,.9);font-size:1.1rem}
.hero__actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.scroll-cue{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:rgba(244,239,227,.7);
}

/* page hero (secondarie) */
.pagehero{
  position:relative;min-height:52vh;display:flex;align-items:flex-end;
  color:var(--cream);padding-bottom:56px;
}
.pagehero__bg{position:absolute;inset:0;z-index:-2}
.pagehero__bg img{width:100%;height:100%;object-fit:cover}
.pagehero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(18,38,29,.4),rgba(18,38,29,.85))}
.pagehero h1{font-size:clamp(2.6rem,6vw,4.6rem);letter-spacing:.1em;text-transform:uppercase;color:var(--cream)}
.pagehero .eyebrow{margin-bottom:14px;display:block}

/* ---------- SECTION HELPERS ---------- */
.sec-head{max-width:720px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .eyebrow{display:block;margin-bottom:16px}
.sec-head h2{font-size:clamp(2.1rem,4.6vw,3.4rem);color:var(--green-800)}
.sec-head p{margin-top:18px;color:var(--muted)}

.bg-cream{background:var(--cream)}
.bg-green{background:var(--green-900);color:var(--cream)}
.bg-green h2,.bg-green h3{color:var(--cream)}
.bg-green .lead,.bg-green p{color:rgba(244,239,227,.82)}
.bg-green .sec-head h2{color:var(--cream)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:center}
.split--rev .split__media{order:2}
.split__media img{border-radius:3px;box-shadow:0 30px 60px -30px rgba(0,0,0,.5)}
.split__body h2{font-size:clamp(1.9rem,3.6vw,2.8rem);color:inherit;margin-bottom:20px}
.split__body h2.on-green{color:var(--cream)}

/* feature cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:3px;
  padding:38px 32px;transition:transform .35s,box-shadow .35s;
}
.card:hover{transform:translateY(-5px);box-shadow:0 24px 44px -26px rgba(0,0,0,.35)}
.card .num{font-family:var(--serif);font-size:2.4rem;color:var(--gold);line-height:1}
.card h3{font-size:1.45rem;margin:16px 0 10px;color:var(--green-800)}
.card p{font-size:.98rem;color:var(--muted)}
.bg-green .card{background:var(--green-800);border-color:rgba(184,147,78,.28)}
.bg-green .card h3{color:var(--cream)}
.bg-green .card p{color:rgba(244,239,227,.75)}

/* stat row */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .n{font-family:var(--serif);font-size:clamp(2.4rem,5vw,3.6rem);color:var(--gold-light);line-height:1}
.stat .l{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(244,239,227,.7);margin-top:10px}

/* quote */
.quote{max-width:860px;margin:0 auto;text-align:center}
.quote blockquote{
  font-family:var(--serif);font-style:italic;font-size:clamp(1.6rem,3.6vw,2.5rem);
  line-height:1.35;color:var(--cream)}
.quote cite{display:block;margin-top:26px;font-family:var(--sans);font-style:normal;
  font-size:.8rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-light)}

/* timeline */
.timeline{max-width:760px;margin:0 auto;position:relative}
.timeline::before{content:"";position:absolute;left:14px;top:6px;bottom:6px;width:1px;background:var(--line)}
.tl-item{position:relative;padding:0 0 46px 56px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:8px;top:6px;width:13px;height:13px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(184,147,78,.18)}
.tl-item .yr{font-family:var(--serif);font-size:1.5rem;color:var(--gold);margin-bottom:4px}
.tl-item h3{font-size:1.3rem;color:var(--green-800);margin-bottom:8px}
.bg-green .tl-item h3{color:var(--cream)}
.tl-item p{color:var(--muted)}
.bg-green .tl-item p{color:rgba(244,239,227,.78)}

/* product spec list */
.spec{list-style:none;display:grid;gap:2px}
.spec li{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--line)}
.spec li span:first-child{color:var(--muted);letter-spacing:.04em}
.spec li span:last-child{font-family:var(--serif);font-size:1.15rem;color:var(--green-800);text-align:right}
.bg-green .spec li span:last-child{color:var(--cream)}

/* image band */
.band{position:relative;min-height:60vh;display:flex;align-items:center;justify-content:center;color:var(--cream);text-align:center}
.band__bg{position:absolute;inset:0;z-index:-2}
.band__bg img,.band__bg video{width:100%;height:100%;object-fit:cover}
.band::after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(18,38,29,.55)}
.band .quote blockquote{font-size:clamp(1.5rem,3.4vw,2.4rem)}

/* CTA strip */
.cta-strip{background:var(--green-900);color:var(--cream);text-align:center}
.cta-strip h2{font-size:clamp(2rem,4.6vw,3.2rem);color:var(--cream);margin-bottom:18px}
.cta-strip p{max-width:560px;margin:0 auto 30px;color:rgba(244,239,227,.82)}

/* contatti */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-block h3{font-size:1.35rem;color:var(--green-800);margin-bottom:6px}
.bg-green .contact-block h3{color:var(--cream)}
.contact-block p{color:var(--muted);margin-bottom:22px}
.bg-green .contact-block p{color:rgba(244,239,227,.8)}
.contact-block a.link{color:var(--gold);border-bottom:1px solid var(--line);padding-bottom:2px}

/* ---------- FOOTER ---------- */
.footer{background:#0d1c15;color:rgba(244,239,227,.7);padding:70px 0 34px}
.footer__top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(184,147,78,.2)}
.footer__brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer__brand img{height:34px}
.footer__brand span{font-family:var(--serif);font-size:1.5rem;letter-spacing:.22em;color:var(--cream)}
.footer h4{font-family:var(--sans);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-light);margin-bottom:16px}
.footer ul{list-style:none;display:grid;gap:9px}
.footer ul a{font-size:.92rem;opacity:.8;transition:opacity .3s}
.footer ul a:hover{opacity:1;color:var(--gold-light)}
.footer__bottom{padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.78rem;letter-spacing:.06em;opacity:.7}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .nav__links{
    position:fixed;inset:0 0 0 auto;width:min(78vw,320px);
    background:var(--green-900);flex-direction:column;justify-content:center;
    gap:26px;padding:40px;transform:translateX(100%);transition:transform .4s ease;
  }
  .nav__links.open{transform:none}
  .nav__toggle{display:flex}
  .split,.contact-grid{grid-template-columns:1fr}
  .split--rev .split__media{order:0}
  .grid-3{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:34px 20px}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .stats{grid-template-columns:1fr 1fr}
  .footer__top{grid-template-columns:1fr}
  .hero__actions{flex-direction:column}
  .hero__actions .btn{width:100%}
}