/* =========================================================
   MBTECNO — stylesheet unico, senza framework esterni
   ========================================================= */

:root{
  --ink:        #1d2445;   /* blu navy del logo — header/footer/hero */
  --ink-soft:   #4d5471;   /* testo secondario, derivato dal navy */
  --paper:      #ffffff;
  --mist:       #f3f4f7;   /* sfondo sezioni alternate */
  --line:       #e2e4ec;
  --accent:     #d81f2a;   /* rosso del logo */
  --accent-dark:#ad1822;
  --steel:      #333c66;   /* variante più chiara del navy per dettagli tecnici */
  --radius:     10px;
  --maxw:       1180px;
  --shadow:     0 8px 24px -12px rgba(29,36,69,.25);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:"Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

@font-face{
  font-family:"Open Sans"; font-style:normal; font-weight:400; font-display:swap;
  src:url("../fonts/opensans-400.woff2") format("woff2");
}
@font-face{
  font-family:"Open Sans"; font-style:normal; font-weight:600; font-display:swap;
  src:url("../fonts/opensans-600.woff2") format("woff2");
}
@font-face{
  font-family:"Open Sans"; font-style:normal; font-weight:700; font-display:swap;
  src:url("../fonts/opensans-700.woff2") format("woff2");
}
@font-face{
  font-family:"Open Sans"; font-style:normal; font-weight:800; font-display:swap;
  src:url("../fonts/opensans-800.woff2") format("woff2");
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-weight:800; line-height:1.2; margin:0 0 .6em; }
p{ margin:0 0 1em; color:var(--ink-soft); }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 1.25rem; }
.visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.97);
  color:var(--ink);
  box-shadow:0 1px 0 var(--line);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height:76px; }
.brand{ display:flex; align-items:center; gap:.6rem; font-weight:800; font-size:1.15rem; color:var(--ink); }
.brand img{ height:40px; width:auto; }
.nav-toggle{
  display:none; background:none; border:0; color:var(--ink); padding:.5rem; cursor:pointer;
}
.nav-toggle svg{ width:26px; height:26px; }
.main-nav ul{ list-style:none; display:flex; gap:1.9rem; margin:0; padding:0; align-items:center; }
.main-nav a{
  font-size:.92rem; font-weight:600; letter-spacing:.02em; text-transform:uppercase;
  padding:.4rem 0; border-bottom:2px solid transparent; transition:border-color .15s, color .15s;
  white-space:nowrap; color:var(--ink);
}
.main-nav a:hover, .main-nav a:focus, .main-nav a[aria-current="page"]{ border-color:var(--accent); color:var(--ink); }
.main-nav .has-dropdown{ position:relative; }
.main-nav .dropdown{
  list-style:none; margin:0; padding:.5rem 0; position:absolute; top:100%; left:0;
  background:#fff; min-width:290px; border-radius:0 0 8px 8px; box-shadow:var(--shadow); border:1px solid var(--line); border-top:0;
  display:none;
}
.main-nav .has-dropdown:hover .dropdown,
.main-nav .has-dropdown:focus-within .dropdown{ display:block; }
.main-nav .dropdown a{ display:block; padding:.65rem 1.1rem; text-transform:none; font-weight:600; border-bottom:0; color:var(--ink); }
.main-nav .dropdown a:hover{ background:var(--mist); color:var(--accent); }
.lang-switch{ display:inline-flex; align-items:center; border:1px solid var(--line); border-radius:6px; padding:.3rem .5rem; line-height:0; }
.lang-switch img{ display:block; border-radius:2px; }
.lang-switch:hover{ border-color:var(--accent); }

/* ---------- hero ---------- */
/* banner fotografico in home */
.hero-banner{ position:relative; width:100%; overflow:hidden; background:var(--ink); line-height:0; height:100vh; }
.hero-banner img{ position:absolute; inset:0; width:100%; height:100%; display:block; object-fit:cover; }
.hero-intro{ background:var(--ink); color:#fff; padding:3rem 0 4rem; text-align:center; }
.hero-intro h1{ color:#fff; font-size:clamp(2rem,4vw,2.9rem); }
.hero-intro h1 .accent{ color:#e8626b; }
.hero-intro .lead{ color:#c3c7dd; font-size:1.08rem; max-width:none; margin:0 auto 1.6rem; }

/* generic page hero (interne, senza immagine) */
.page-hero{ background:var(--ink); color:#fff; padding:3.2rem 0; text-align:center; }
.page-hero h1{ color:#fff; font-size:clamp(1.7rem,3vw,2.4rem); margin-bottom:.4rem; }
.page-hero p{ color:#c9d2d8; max-width:60ch; margin:0; }

/* header interni con foto (chi siamo / servizi) — full screen come la home */
.page-hero-photo{ position:relative; min-height:100vh; display:flex; align-items:center; background-size:cover; background-position:center; }
.page-hero-photo::before{ content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(15,20,42,.62), rgba(15,20,42,.5) 55%, rgba(15,20,42,.62)); }
.page-hero-photo .container{ position:relative; z-index:1; text-align:center; }
.page-hero-photo h1{
  color:#fff; text-shadow:0 2px 18px rgba(0,0,0,.55); margin:0 auto;
  font-size:clamp(1.5rem,3.2vw,2.5rem); max-width:none; line-height:1.25;
  animation:heroTextIn .9s cubic-bezier(.2,.7,.2,1) both;
}
.page-hero-photo p{ color:#e6e9f2; }
.page-hero-chisiamo{ background-image:url("../images/mbtecno-chisiamo-2000x1500.webp"); }
.page-hero-elettronica{ background-image:url("../images/mbtecno-hardware01-2000x731.webp"); }
.page-hero-meccanica{ background-image:url("../images/mbtecno-progmeccstamp3d02-2000x1500.webp"); }
.page-hero-photo p{ font-size:1.15rem; font-weight:600; max-width:60ch; }

@keyframes heroTextIn{
  from{ opacity:0; transform:translateY(22px); }
  to{ opacity:1; transform:translateY(0); }
}

/* testo descrittivo esteso, subito sotto l'header: stessa larghezza dei blocchi/card sottostanti */
.page-intro{ padding:3rem 0 0; }
.page-intro p{ font-size:1.08rem; max-width:none; margin:0; }

/* ---------- buttons ---------- */
.btn{
  display:inline-block; font-weight:700; font-size:.95rem; padding:.85rem 1.6rem;
  border-radius:8px; background:var(--accent); color:#fff; border:2px solid var(--accent);
  transition:background .15s,border-color .15s, transform .1s;
}
.btn:hover{ background:var(--accent-dark); border-color:var(--accent-dark); }
.btn:active{ transform:translateY(1px); }
.btn-ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.5); }
.btn-ghost:hover{ background:rgba(255,255,255,.08); border-color:#fff; }

/* ---------- sections ---------- */
section{ padding:4rem 0; }
.section-alt{ background:#fff; }
.section-head{ max-width:65ch; margin-bottom:2.4rem; }
.eyebrow{
  display:inline-block; font-size:.78rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase;
  color:var(--accent-dark); margin-bottom:.6rem;
}

/* cards grid (servizi in home) */
.cards{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.75rem; }
.cards-3{ grid-template-columns:repeat(3,1fr); }
.card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;
  display:flex; flex-direction:column; transition:transform .15s, box-shadow .15s;
}
.card:hover{ transform:translateY(-3px); box-shadow:var(--shadow); }
.card img{ aspect-ratio:16/9; object-fit:cover; width:100%; }
.card .card-body{ padding:1.6rem; display:flex; flex-direction:column; gap:.7rem; flex:1; }
.card h3{ font-size:1.25rem; margin-bottom:.2rem; }
.card .btn{ align-self:flex-start; margin-top:auto; padding:.55rem 1.1rem; font-size:.85rem; }

/* blocchi contenuto con immagine affiancata (usati nelle pagine servizio) */
.feature{ display:grid; grid-template-columns:1fr 1fr; gap:2.5rem; align-items:center; margin-bottom:3.2rem; }
.feature:last-child{ margin-bottom:0; }
.feature-figure img{ border-radius:var(--radius); box-shadow:var(--shadow); width:100%; }
.feature-figure.ratio-4-3{ aspect-ratio:4/3; overflow:hidden; border-radius:var(--radius); box-shadow:var(--shadow); }
.feature-figure.ratio-4-3 img{ width:100%; height:100%; object-fit:cover; box-shadow:none; border-radius:0; }
.feature h3{ font-size:1.4rem; }

/* liste "perché sceglierci" / punti di forza */
.reasons{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.75rem; }
.reason{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:1.6rem; }
.reason .num{ display:inline-flex; align-items:center; justify-content:center; width:2.4rem; height:2.4rem;
  border-radius:50%; background:var(--steel); color:#fff; font-weight:800; margin-bottom:.9rem; }
.reason .icon{ display:inline-flex; align-items:center; justify-content:center; width:2.6rem; height:2.6rem;
  border-radius:50%; background:var(--mist); color:var(--accent); margin-bottom:.9rem; }
.reason .icon svg{ width:1.4rem; height:1.4rem; }
.reason h3{ font-size:1.1rem; }

.sectors{ display:grid; grid-template-columns:repeat(2,1fr); gap:1.75rem; }
.sector{ position:relative; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); min-height:230px; }
.sector img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.sector::after{ content:""; position:absolute; inset:0; background:linear-gradient(0deg, rgba(27,37,48,.88), rgba(27,37,48,.15) 60%); }
.sector .sector-label{ position:relative; z-index:1; color:#fff; padding:1.4rem; height:100%; display:flex; flex-direction:column; justify-content:flex-end; }
.sector h3{ color:#fff; margin-bottom:.25rem; }
.sector p{ color:#dfe6e9; margin:0; }

/* FAQ (utile anche per AEO) */
.faq{ max-width:78ch; }
.faq-item{ border-bottom:1px solid var(--line); padding:1.1rem 0; }
.faq-item summary{ cursor:pointer; font-weight:700; list-style:none; display:flex; justify-content:space-between; gap:1rem; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; font-size:1.3rem; color:var(--accent); flex:none; }
.faq-item[open] summary::after{ content:"–"; }
.faq-item p{ margin-top:.7rem; }

/* contatti — banda di apertura più invitante (riusata anche in home) */
.contact-hero{
  background:linear-gradient(135deg, var(--ink), #4A5A8F);
  color:#fff; padding:4.5rem 0; text-align:center; position:relative; overflow:hidden;
}
.contact-hero::before{
  content:""; position:absolute; inset:0; opacity:.6; pointer-events:none;
  background:radial-gradient(circle at 15% 20%, rgba(140,160,225,.35), transparent 45%),
             radial-gradient(circle at 85% 80%, rgba(255,255,255,.14), transparent 40%);
}
.contact-hero .container{ position:relative; z-index:1; }
.contact-hero h1, .contact-hero h2{ color:#fff; font-size:clamp(2rem,4vw,2.7rem); margin-bottom:.6rem; }
.contact-hero h1 .accent, .contact-hero h2 .accent{ color:#e8626b; }
.contact-hero p.lead{ color:#d7ddf0; font-size:1.12rem; max-width:none; margin:0 auto 2rem; }
.contact-hero .btn-row{ display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }
.contact-hero .btn-row .btn svg{ width:1.05rem; height:1.05rem; margin-right:.5rem; vertical-align:-2px; }

/* contatti */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:2.5rem; align-items:stretch; }
.contact-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--radius); padding:1.8rem; }
.contact-card h3{ font-size:1.05rem; margin-bottom:.5rem; }
.contact-card a{ color:var(--steel); font-weight:700; }
.contact-card a:hover{ color:var(--accent); }
address{ font-style:normal; }
.map-embed{ border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); border:0; width:100%; height:100%; min-height:320px; }

/* pagine legali */
.legal h2{ font-size:1.3rem; margin-top:2rem; }
.legal p, .legal li{ color:var(--ink-soft); }

/* ---------- footer ---------- */
.site-footer{ background:#4A5A8F; color:#dde1ee; padding:3.2rem 0 1.6rem; }
.footer-grid{ display:grid; grid-template-columns:1.8fr max-content 1.7fr max-content; gap:2.2rem; }
.footer-grid h4{ color:#fff; font-size:.95rem; text-transform:uppercase; letter-spacing:.04em; margin-bottom:1rem; }
.footer-grid ul{ list-style:none; margin:0; padding:0; }
.footer-grid li{ margin-bottom:.55rem; }
.footer-grid a:hover{ color:var(--accent); }
.footer-brand{ display:flex; align-items:center; gap:.6rem; margin-bottom:1rem; font-weight:800; color:#fff; font-size:1.1rem; }
.footer-brand img{ height:34px; }
.site-footer address{ font-size:.92rem; }
.footer-line{ display:block; white-space:nowrap; }
.footer-grid .footer-services li a{ font-size:.86rem; white-space:nowrap; }
.footer-grid .footer-hours li{ white-space:nowrap; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); margin-top:2.4rem; padding-top:1.4rem; font-size:.85rem; display:flex; flex-wrap:wrap; gap:.5rem 1.2rem; justify-content:space-between; }
.footer-bottom a:hover{ color:var(--accent); }
.footer-bottom .footer-legal-links{ display:flex; flex-wrap:wrap; gap:.4rem; align-items:center; }

/* ---------- responsive ---------- */
@media (max-width: 1100px){
  .cards-3{ grid-template-columns:repeat(2,1fr); }
  .reasons{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 900px){
  .cards, .cards-3, .reasons, .sectors, .contact-grid, .footer-grid{ grid-template-columns:1fr; }
  .feature{ grid-template-columns:1fr; }
  .footer-grid{ gap:2.2rem; }
  .footer-line{ white-space:normal; }
  .footer-grid .footer-services li a{ white-space:normal; }
  .footer-grid .footer-hours li{ white-space:normal; }
  .hero-banner{ height:60vh; min-height:320px; }
  .page-hero-photo{ min-height:60vh; }
}
@media (max-width: 760px){
  .nav-toggle{ display:inline-flex; align-items:center; }
  .main-nav{
    position:fixed; top:76px; left:0; right:0; bottom:0; height:calc(100vh - 76px); height:calc(100dvh - 76px);
    z-index:90; background:var(--ink); padding:1.5rem 1.25rem;
    transform:translateX(100%); transition:transform .2s ease; overflow-y:auto; -webkit-overflow-scrolling:touch;
  }
  .main-nav.open{ transform:translateX(0); }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap:0; width:100%; }
  .main-nav li{ width:100%; }
  .main-nav a{ display:block; padding:.9rem 0; border-bottom:1px solid rgba(255,255,255,.08); width:100%; color:#fff; }
  .main-nav a:hover, .main-nav a:focus, .main-nav a[aria-current="page"]{ color:#fff; border-color:var(--accent); }
  .main-nav .dropdown{ position:static; background:transparent; box-shadow:none; display:none; padding-left:1rem; border:0; }
  .main-nav .has-dropdown.open .dropdown{ display:block; }
  .main-nav .dropdown a{ color:#fff; }
  .main-nav .dropdown a:hover{ background:rgba(255,255,255,.08); color:#fff; }
  .main-nav .lang-switch{ border-color:rgba(255,255,255,.4); }
  section{ padding:2.8rem 0; }
  .hero-banner{ height:48vh; min-height:260px; }
  .page-hero-photo{ min-height:48vh; }
  .page-hero-photo h1{ font-size:1.55rem; max-width:none; }
  .contact-hero{ padding:3.5rem 0; }
  .contact-hero .btn-row{ flex-direction:column; align-items:stretch; }
}