/* ===========================================================
   M3SA 3D Studio — foglio di stile condiviso
   Palette derivata dal logo:
   navy #0A1733 · arancio #F05000 · teal #00B0A0
   gradiente cornice: viola → magenta → blu → teal → ambra
   =========================================================== */

:root{
  --navy-900:#070f24;
  --navy-800:#0a1733;
  --navy-700:#0f2047;
  --navy-600:#16285c;
  --ink:#e7ecf5;
  --ink-soft:#9fb0cc;
  --ink-faint:#6b7c9c;
  --orange:#f05000;
  --orange-soft:#ff7536;
  --teal:#00b0a0;
  --teal-soft:#27d3c2;
  --line:rgba(159,176,204,.14);
  --line-strong:rgba(159,176,204,.28);
  --grad:linear-gradient(120deg,#801090,#a01080,#0060d0,#00b0a0,#f09000);
  --grad-soft:linear-gradient(120deg,#a01080,#0070c0,#00b0a0);
  --shadow:0 24px 60px -28px rgba(0,0,0,.75);
  --maxw:1120px;
  --r:18px;
  --font-display:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
}
:root{ --navy-600:#16285c; }

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--navy-900);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* ambient gradient glow */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(800px 500px at 12% -5%, rgba(128,16,144,.20), transparent 60%),
    radial-gradient(700px 500px at 100% 0%, rgba(0,96,208,.18), transparent 55%),
    radial-gradient(900px 600px at 50% 120%, rgba(0,176,160,.12), transparent 60%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- NAV ---------- */
header.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(7,15,36,.72);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-weight:600}
.brand img{height:38px;width:auto}
.brand .brand-txt{font-size:1.05rem;letter-spacing:.02em}
.brand .brand-txt b{color:#fff}
.brand .brand-txt span{color:var(--ink-soft);font-weight:500;font-size:.82rem;display:block;letter-spacing:.18em}
nav.menu{display:flex;align-items:center;gap:6px}
nav.menu a{
  padding:9px 14px;border-radius:10px;font-size:.92rem;color:var(--ink-soft);
  font-weight:500;transition:.18s;
}
nav.menu a:hover{color:#fff;background:rgba(159,176,204,.08)}
nav.menu a.active{color:#fff}
nav.menu a.active::after{content:"";display:block;height:2px;margin-top:5px;border-radius:2px;background:var(--grad)}
.nav-cta{
  margin-left:8px;padding:10px 18px;border-radius:11px;font-weight:600;font-size:.9rem;
  color:#fff;background:var(--orange);transition:.18s;white-space:nowrap;
}
.nav-cta:hover{background:var(--orange-soft);transform:translateY(-1px)}
.burger{display:none;background:none;border:0;color:var(--ink);font-size:1.6rem;cursor:pointer}

/* ---------- BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border-radius:12px;
  font-weight:600;font-size:.98rem;transition:.2s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-soft);transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(240,80,0,.6)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:var(--teal);color:#fff;background:rgba(0,176,160,.08)}
.btn-wa{background:#25d366;color:#04220f}
.btn-wa:hover{background:#34e57a;transform:translateY(-2px)}

/* ---------- SECTIONS ---------- */
section{padding:96px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--font-display);
  font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--teal-soft);
  font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad)}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.1;letter-spacing:-.01em;color:#fff}
.section-title{font-size:clamp(1.8rem,3.6vw,2.7rem);margin-bottom:16px}
.section-sub{color:var(--ink-soft);max-width:60ch;font-size:1.05rem}

/* ---------- HERO ---------- */
.hero{padding:88px 0 76px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.4vw,4rem);margin-bottom:22px}
.hero h1 .accent{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{font-size:1.18rem;color:var(--ink-soft);max-width:48ch;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:46px;flex-wrap:wrap}
.hero-stats .stat strong{font-family:var(--font-display);font-size:1.7rem;color:#fff;display:block}
.hero-stats .stat span{font-size:.82rem;color:var(--ink-faint);letter-spacing:.04em}

/* hero visual: printer-bed card */
.hero-visual{
  position:relative;aspect-ratio:1/1;border-radius:26px;
  background:
    linear-gradient(160deg,rgba(15,32,71,.9),rgba(7,15,36,.9));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  display:grid;place-items:center;overflow:hidden;
}
.hero-visual::before{ /* soft brand glow, no grid */
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 120% at 30% 20%, rgba(128,16,144,.10), transparent 55%),
    radial-gradient(120% 120% at 80% 85%, rgba(0,176,160,.12), transparent 55%);
}
.hero-visual .icon{width:auto;height:74%;position:relative;z-index:2;animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(-6px)}50%{transform:translateY(8px)}}

/* ---------- SERVICE CARDS ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:linear-gradient(180deg,rgba(15,32,71,.55),rgba(10,23,51,.35));
  border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;
  transition:.22s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--grad);
  transform:scaleX(0);transform-origin:left;transition:.3s}
.card:hover::before{transform:scaleX(1)}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(0,176,160,.12);color:var(--teal-soft)}
.card h3{font-size:1.18rem;margin-bottom:10px}
.card p{color:var(--ink-soft);font-size:.96rem}
.card ul{list-style:none;margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.card ul li{font-size:.78rem;color:var(--ink-soft);background:rgba(159,176,204,.08);
  border:1px solid var(--line);padding:4px 10px;border-radius:20px}

/* ---------- PROCESS ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;padding-top:20px}
.step .num{font-family:var(--font-display);font-size:.8rem;letter-spacing:.2em;color:var(--orange);font-weight:600}
.step h3{font-size:1.12rem;margin:10px 0 8px}
.step p{color:var(--ink-soft);font-size:.92rem}
.step::before{content:"";position:absolute;top:0;left:0;width:40px;height:3px;border-radius:3px;background:var(--grad)}

/* ---------- GALLERY ---------- */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gal .tile{
  aspect-ratio:4/3;border-radius:14px;overflow:hidden;position:relative;
  border:1px solid var(--line);background:var(--navy-700);
  display:grid;place-items:center;text-align:center;padding:20px;
}
.gal .tile .ph{color:var(--ink-faint);font-size:.85rem}
.gal .tile .tag{position:absolute;left:12px;bottom:12px;font-size:.74rem;
  background:rgba(7,15,36,.7);border:1px solid var(--line);padding:4px 10px;border-radius:20px;color:var(--ink-soft)}
.gal .tile::after{content:"";position:absolute;inset:0;background:var(--grad);opacity:0;transition:.3s;mix-blend-mode:overlay}
.gal .tile:hover::after{opacity:.25}

/* ---------- CTA BAND ---------- */
.band{
  background:linear-gradient(120deg,rgba(128,16,144,.18),rgba(0,96,208,.14),rgba(0,176,160,.16));
  border:1px solid var(--line-strong);border-radius:24px;padding:54px 44px;text-align:center;
}
.band h2{font-size:clamp(1.6rem,3.2vw,2.3rem);margin-bottom:14px}
.band p{color:var(--ink-soft);max-width:52ch;margin:0 auto 26px}
.band-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-card{background:linear-gradient(180deg,rgba(15,32,71,.5),rgba(10,23,51,.3));
  border:1px solid var(--line);border-radius:var(--r);padding:26px}
.contact-row{display:flex;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-row:last-child{border-bottom:0}
.contact-row .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(0,176,160,.12);color:var(--teal-soft);flex:none}
.contact-row .lbl{font-size:.78rem;color:var(--ink-faint);letter-spacing:.04em}
.contact-row .val{color:#fff;font-weight:500}
.contact-cta{display:flex;flex-direction:column;gap:12px;margin-top:24px}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line);padding:48px 0 36px;margin-top:30px}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center}
.foot-grid img{height:34px}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a{color:var(--ink-soft);font-size:.9rem}
.foot-links a:hover{color:#fff}
.foot-legal{color:var(--ink-faint);font-size:.8rem;margin-top:18px;line-height:1.7}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:420px;margin:0 auto}
  .grid-3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .gal{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
}
@media(max-width:680px){
  section{padding:70px 0}
  nav.menu{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;
    background:rgba(7,15,36,.97);border-bottom:1px solid var(--line);padding:14px 24px;gap:4px}
  nav.menu.open{display:flex}
  nav.menu a{padding:12px 8px}
  .nav-cta{display:none}
  .burger{display:block}
  .grid-3,.steps,.gal{grid-template-columns:1fr}
  .hero-actions .btn{flex:1;justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* ===========================================================
   TEMA B — CHIARO  (override finali, vincono per ordine sorgente)
   =========================================================== */
:root{
  --teal-soft:#119e90; /* teal più scuro = leggibile su chiaro */
}
body{ background:#f5f3ee; color:#0a1733; }
body::before{
  background:
    radial-gradient(800px 500px at 12% -5%, rgba(128,16,144,.07), transparent 60%),
    radial-gradient(700px 500px at 100% 0%, rgba(0,96,208,.07), transparent 55%),
    radial-gradient(900px 600px at 50% 120%, rgba(0,176,160,.06), transparent 60%);
}
:root{ --line:rgba(10,23,51,.10); --line-strong:rgba(10,23,51,.20); }
:root{ --ink:#0a1733; --ink-soft:#48566f; --ink-faint:#7a869c; }
:root{ --shadow:0 24px 60px -30px rgba(10,23,51,.28); }

h1,h2,h3{ color:#0a1733; }

/* header chiaro + logo unico */
header.nav{ background:rgba(245,243,238,.85); border-bottom:1px solid rgba(10,23,51,.10); }
.brand-logo{ height:46px; width:auto; display:block; }
nav.menu a{ color:#48566f; }
nav.menu a:hover{ color:#0a1733; background:rgba(10,23,51,.05); }
nav.menu a.active{ color:#0a1733; }

/* hero visual chiaro */
.hero-visual{
  background:linear-gradient(160deg,#ffffff,#f3f0ea);
  border:1px solid rgba(10,23,51,.10);
  box-shadow:0 30px 70px -34px rgba(10,23,51,.30);
}
.hero-visual::before{
  background:
    radial-gradient(120% 120% at 28% 18%, rgba(128,16,144,.08), transparent 55%),
    radial-gradient(120% 120% at 82% 88%, rgba(0,176,160,.10), transparent 55%);
}

/* testi secondari */
.hero p.lead,.section-sub,.card p,.step p,.contact-row .val,
.hero-stats .stat span{ color:var(--ink-soft); }
.hero-stats .stat strong{ color:#0a1733; }

/* card su chiaro */
.card{ background:#ffffff; border:1px solid rgba(10,23,51,.10);
  box-shadow:0 12px 30px -22px rgba(10,23,51,.22); }
.card .ic{ background:rgba(0,176,160,.12); color:#0f8b7e; }
.card ul li{ background:rgba(10,23,51,.05); border-color:rgba(10,23,51,.10); color:#48566f; }

/* bottoni */
.btn-ghost{ color:#0a1733; border-color:rgba(10,23,51,.20); }
.btn-ghost:hover{ border-color:var(--teal); color:#0a1733; background:rgba(0,176,160,.08); }

/* band CTA */
.band{ background:linear-gradient(120deg,rgba(128,16,144,.08),rgba(0,96,208,.07),rgba(0,176,160,.10));
  border:1px solid rgba(10,23,51,.16); }
.band p{ color:var(--ink-soft); }

/* gallery tiles su chiaro */
.gal .tile{ background:#ffffff; border:1px solid rgba(10,23,51,.10); }
.gal .tile .ph{ color:#7a869c; }
.gal .tile .tag{ background:rgba(255,255,255,.85); border:1px solid rgba(10,23,51,.12); color:#48566f; }

/* contatti card */
.contact-card{ background:#ffffff; border:1px solid rgba(10,23,51,.10);
  box-shadow:0 12px 30px -22px rgba(10,23,51,.18); }
.contact-row{ border-bottom:1px solid rgba(10,23,51,.08); }
.contact-row .ic{ background:rgba(0,176,160,.12); color:#0f8b7e; }
.contact-row .lbl{ color:#7a869c; }

/* footer chiaro */
footer{ border-top:1px solid rgba(10,23,51,.10); }
footer .brand-logo{ height:38px; }
.foot-links a{ color:#48566f; }
.foot-links a:hover{ color:#0a1733; }
.foot-legal{ color:#7a869c; }

/* menu mobile chiaro */
@media(max-width:680px){
  nav.menu{ background:rgba(245,243,238,.98); border-bottom:1px solid rgba(10,23,51,.10); }
}

/* ---------- CHI SONO ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:start}
.about-lead{font-size:1.12rem;color:var(--ink-soft);margin:6px 0 18px;line-height:1.7}
.about-lead strong{color:var(--ink);font-weight:600}
.about-body{color:var(--ink-soft);margin-bottom:16px;line-height:1.7}
.about-body strong{color:var(--ink);font-weight:600}
.about-values{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.value{display:flex;gap:16px;align-items:flex-start;
  background:linear-gradient(180deg,rgba(15,32,71,.04),rgba(10,23,51,.02));
  border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:.22s}
.value:hover{transform:translateX(4px);border-color:var(--line-strong)}
.value .ic{width:42px;height:42px;flex:none;border-radius:11px;display:grid;place-items:center;
  background:rgba(0,176,160,.12);color:var(--teal-soft);font-size:1.2rem}
.value h3{font-size:1.02rem;margin-bottom:3px}
.value p{font-size:.92rem;color:var(--ink-soft);line-height:1.5}
@media(max-width:900px){
  .about-grid{grid-template-columns:1fr;gap:36px}
}