/* ================================================
   ZerbinPC — Stylesheet
   Font: Sora (titoli) + DM Sans (corpo)
   Palette: Blu notte #1a2e44, Azzurro #2E86C1,
            Bianco #fff, Grigio chiaro #f5f7fa
   ================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue-dark: #1a2e44;
  --blue:      #2E86C1;
  --blue-light:#EBF5FB;
  --accent:    #e8a020;
  --text:      #1a2e44;
  --text-muted:#5a6a7a;
  --bg:        #f5f7fa;
  --white:     #ffffff;
  --radius:    12px;
  --shadow:    0 4px 24px rgba(26,46,68,.10);
}

html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; color: var(--text); background: var(--white); line-height: 1.65; }

h1,h2,h3,h4 { font-family: 'Sora', sans-serif; line-height: 1.2; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ── BUTTONS ── */
.btn {
  display: inline-block; padding: 13px 28px; border-radius: 8px;
  font-family: 'Sora', sans-serif; font-size: .95rem; font-weight: 600;
  cursor: pointer; transition: all .2s; text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #1a6fa8; color: #fff; text-decoration: none; }
.btn-outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn-outline:hover { background: var(--blue); color: #fff; text-decoration: none; }
.btn-outline-dark { background: transparent; color: var(--blue-dark); border: 2px solid var(--blue-dark); }
.btn-outline-dark:hover { background: var(--blue-dark); color: #fff; text-decoration: none; }
.btn-whatsapp { background: #25D366; color: #fff; }
.btn-whatsapp:hover { background: #1da851; color: #fff; text-decoration: none; }

/* ── HEADER ── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white); border-bottom: 1px solid #e0e8f0;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { text-decoration: none; display: flex; align-items: center; }


.main-nav { display: flex; gap: 32px; }
.main-nav a { font-family: 'Sora', sans-serif; font-size: .9rem; font-weight: 500; color: var(--text-muted); text-decoration: none; transition: color .2s; }
.main-nav a:hover, .main-nav a.active { color: var(--blue); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--blue-dark); }

/* ── HERO ── */
.hero { background: linear-gradient(135deg, var(--blue-dark) 0%, #24405e 100%); padding: 80px 0; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-block; background: rgba(255,255,255,.12); color: #fff;
  font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  padding: 6px 16px; border-radius: 20px; margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); color: #fff; margin-bottom: 20px; }
.hero p  { color: rgba(255,255,255,.82); font-size: 1.05rem; margin-bottom: 32px; max-width: 480px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero-card {
  background: rgba(255,255,255,.1); backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius);
  padding: 24px 20px; color: #fff; font-family: 'Sora', sans-serif;
  font-weight: 600; font-size: .95rem; text-align: center;
  transition: background .2s;
}
.hero-card:hover { background: rgba(255,255,255,.18); }
.hero-card-icon { font-size: 2rem; margin-bottom: 10px; }

/* ── SECTIONS ── */
section { padding: 80px 0; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.2rem); text-align: center; margin-bottom: 12px; color: var(--blue-dark); }
.section-sub   { text-align: center; color: var(--text-muted); font-size: 1.05rem; margin-bottom: 52px; }

/* ── SERVICES GRID ── */
.services-preview { background: var(--bg); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  background: var(--white); border-radius: var(--radius);
  padding: 32px 24px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 12px;
  transition: transform .2s, box-shadow .2s;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(26,46,68,.14); }
.service-icon { font-size: 2.2rem; }
.service-card h3 { font-size: 1.05rem; color: var(--blue-dark); }
.service-card p  { color: var(--text-muted); font-size: .92rem; flex: 1; }
.card-link { color: var(--blue); font-weight: 600; font-size: .9rem; margin-top: auto; }

/* ── CONTRACTS ── */
.contracts { background: var(--white); }
.contracts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 900px; margin: 0 auto; }
.contract-card {
  border: 2px solid #e0e8f0; border-radius: var(--radius);
  padding: 36px 28px; display: flex; flex-direction: column; gap: 16px;
  position: relative; transition: box-shadow .2s;
}
.contract-card:hover { box-shadow: var(--shadow); }
.contract-card.featured { border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-light); }
.featured-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--blue); color: #fff; font-size: .75rem; font-weight: 700;
  padding: 4px 14px; border-radius: 20px; white-space: nowrap;
  font-family: 'Sora', sans-serif;
}
.tier-label { font-family: 'Sora', sans-serif; font-weight: 700; font-size: .85rem; letter-spacing: .1em; color: var(--text-muted); text-transform: uppercase; }
.tier-base   .tier-label { color: #1A5276; }
.tier-standard .tier-label { color: var(--blue); }
.tier-premium  .tier-label { color: #6E2FA0; }
.tier-price { font-family: 'Sora', sans-serif; font-size: 2rem; font-weight: 700; color: var(--blue-dark); }
.tier-price span { font-size: 1rem; font-weight: 400; color: var(--text-muted); }
.contract-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.contract-card ul li { font-size: .9rem; color: var(--text-muted); padding-left: 20px; position: relative; }
.contract-card ul li::before { content: '✓'; position: absolute; left: 0; color: var(--blue); font-weight: 700; }

/* ── CERTS ── */
.certs { background: var(--blue-dark); padding: 40px 0; }
.certs-label { text-align: center; color: rgba(255,255,255,.6); font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 20px; }
.certs-row { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.cert-badge {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  color: #fff; padding: 10px 24px; border-radius: 8px;
  font-family: 'Sora', sans-serif; font-weight: 600; font-size: .95rem;
}

/* ── WHY US ── */
.why-us { background: var(--bg); }
.why-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.why-text h2 { font-size: 1.9rem; margin-bottom: 32px; color: var(--blue-dark); }
.why-item { display: flex; gap: 16px; margin-bottom: 28px; align-items: flex-start; }
.why-icon { font-size: 1.6rem; flex-shrink: 0; margin-top: 2px; }
.why-item strong { display: block; font-family: 'Sora', sans-serif; font-size: 1rem; margin-bottom: 4px; color: var(--blue-dark); }
.why-item div { color: var(--text-muted); font-size: .95rem; }
.why-cta-box { position: sticky; top: 100px; }
.why-cta-inner {
  background: var(--white); border-radius: var(--radius); padding: 40px 32px;
  box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 16px; text-align: center;
}
.why-cta-inner h3 { font-size: 1.3rem; color: var(--blue-dark); }
.why-cta-inner p  { color: var(--text-muted); font-size: .95rem; }
.orari { font-size: .85rem; color: var(--text-muted); margin-top: 4px; }

/* ── FOOTER ── */
.site-footer { background: var(--blue-dark); color: rgba(255,255,255,.8); padding: 60px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .logo-main { color: #fff; }
.footer-brand p { margin-top: 12px; font-size: .88rem; color: rgba(255,255,255,.55); line-height: 1.7; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links strong { font-family: 'Sora', sans-serif; color: #fff; font-size: .9rem; margin-bottom: 4px; }
.footer-links a, .footer-contact a, .footer-contact span { font-size: .88rem; color: rgba(255,255,255,.6); text-decoration: none; transition: color .2s; }
.footer-links a:hover, .footer-contact a:hover { color: #fff; }
.footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-contact strong { font-family: 'Sora', sans-serif; color: #fff; font-size: .9rem; margin-bottom: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0;
  font-size: .82rem; color: rgba(255,255,255,.4);
}
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: #fff; }

/* ── INNER PAGES ── */
.page-hero { background: linear-gradient(135deg, var(--blue-dark), #24405e); padding: 60px 0; }
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 12px; }
.page-hero p  { color: rgba(255,255,255,.75); font-size: 1.05rem; max-width: 600px; }
.page-content { padding: 64px 0; }
.content-section { margin-bottom: 64px; }
.content-section h2 { font-size: 1.6rem; color: var(--blue-dark); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 3px solid var(--blue); display: inline-block; }
.content-section h3 { font-size: 1.15rem; color: var(--blue-dark); margin: 28px 0 10px; }
.content-section p  { color: var(--text-muted); margin-bottom: 14px; line-height: 1.75; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
.feature-list li { padding-left: 24px; position: relative; color: var(--text-muted); font-size: .95rem; }
.feature-list li::before { content: '→'; position: absolute; left: 0; color: var(--blue); font-weight: 700; }
.cert-tag {
  display: inline-block; background: var(--blue-light); color: var(--blue);
  font-family: 'Sora', sans-serif; font-weight: 600; font-size: .82rem;
  padding: 4px 14px; border-radius: 20px; margin-right: 8px; margin-bottom: 8px;
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-item strong { display: block; font-family: 'Sora', sans-serif; font-size: .9rem; color: var(--blue-dark); margin-bottom: 4px; }
.contact-item span, .contact-item a { color: var(--text-muted); font-size: .95rem; display: block; text-decoration: none; }
.contact-item a:hover { color: var(--blue); }
.contact-form-box { background: var(--bg); border-radius: var(--radius); padding: 40px; }
.contact-form-box h2 { margin-bottom: 24px; font-size: 1.4rem; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-family: 'Sora', sans-serif; font-size: .88rem; font-weight: 600; color: var(--blue-dark); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid #d0dce8; border-radius: 8px;
  font-family: 'DM Sans', sans-serif; font-size: .95rem; color: var(--text);
  background: var(--white); transition: border-color .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--blue);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-check { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 20px; }
.form-check input { width: auto; margin-top: 3px; }
.form-check label { font-size: .88rem; color: var(--text-muted); }
.form-success { background: #d4edda; border: 1px solid #c3e6cb; border-radius: 8px; padding: 16px 20px; color: #155724; margin-bottom: 20px; display: none; }
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 32px 0; }
.cert-card { background: var(--bg); border-radius: var(--radius); padding: 28px 24px; text-align: center; }
.cert-card .cert-icon { font-size: 2.5rem; margin-bottom: 12px; }
.cert-card h3 { font-size: 1rem; color: var(--blue-dark); margin-bottom: 8px; }
.cert-card p  { font-size: .88rem; color: var(--text-muted); }
.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 24px 0; }
.value-item { background: var(--bg); border-radius: var(--radius); padding: 24px; }
.value-item strong { display: block; font-family: 'Sora', sans-serif; color: var(--blue-dark); margin-bottom: 6px; }
.value-item span { font-size: .92rem; color: var(--text-muted); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-inner       { grid-template-columns: 1fr; }
  .hero-visual      { grid-template-columns: repeat(2, 1fr); }
  .services-grid    { grid-template-columns: repeat(2, 1fr); }
  .why-inner        { grid-template-columns: 1fr; }
  .footer-inner     { grid-template-columns: 1fr 1fr; }
  .contact-grid     { grid-template-columns: 1fr; }
  .cert-grid        { grid-template-columns: 1fr 1fr; }
  .values-grid      { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .services-grid    { grid-template-columns: 1fr; }
  .contracts-grid   { grid-template-columns: 1fr; }
  .footer-inner     { grid-template-columns: 1fr; }
  .hero-cta         { flex-direction: column; }
  .form-row         { grid-template-columns: 1fr; }
  .cert-grid        { grid-template-columns: 1fr; }
  .main-nav         { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--white); padding: 20px 24px; box-shadow: 0 8px 24px rgba(0,0,0,.1); gap: 16px; }
  .main-nav.open    { display: flex; }
  .nav-toggle       { display: block; }
}

/* ── LOGO IMMAGINE ── */
.logo img { height: 42px; width: auto; display: block; }
.footer-brand img { height: 48px; width: auto; margin-bottom: 12px; filter: brightness(0) invert(1); opacity: .85; }