:root {
  --color-primary: #014374;
  --color-primary-light: #025a9c;
  --color-secondary: #545454;
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7f9;
  --color-text: #1a1a1a;
  --color-text-muted: #5c6672;
  --color-border: #e2e2e2;
  --color-footer-bg: #012a4a;
  --font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max-width: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-family-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* --- Nav (topbar, logo grande, sfondo chiaro) --- */
.site-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.nav-brand { display: flex; align-items: center; }
.nav-logo { height: 48px; width: auto; }

.nav-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; font-size: 0.92rem; color: var(--color-secondary); }
.nav-links a:hover { color: var(--color-primary); }
.lang-switch { display: flex; gap: 8px; margin-left: auto; }
.lang-switch a { opacity: 0.6; padding: 2px 6px; border-radius: 6px; color: var(--color-secondary); }
.lang-switch a.active { opacity: 1; background: rgba(1,67,116,0.1); color: var(--color-primary); font-weight: 600; }

@media (min-width: 768px) {
  .site-nav { flex-direction: row; align-items: center; justify-content: space-between; padding: 18px 40px; }
  .nav-logo { height: 68px; }
}

/* --- Hero (2 colonne: testo + immagine quadrata, immagine sotto su mobile) --- */
.hero {
  padding: 40px 20px 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.hero-text { text-align: center; }

.hero-badge {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 14px;
}

.hero-title {
  font-size: 1.9rem;
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--color-text);
  font-weight: 700;
}

.hero-subtitle {
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto;
  font-size: 1.1rem;
}

.hero-cta { margin-top: 56px; }

.hero-media { display: flex; justify-content: center; }

.hero-image {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 24px;
  display: block;
}

@media (min-width: 768px) {
  .hero { padding: 64px 20px 48px; }
  .hero-grid { grid-template-columns: 1.1fr 1fr; gap: 48px; }
  .hero-text { text-align: left; }
  .hero-subtitle { margin: 0; font-size: 1.25rem; }
  .hero-title { font-size: 2.6rem; }
  .hero-media { justify-content: flex-end; }
  .hero-image { max-width: 340px; }
}

/* --- Sections (full-bleed: lo sfondo copre tutta la larghezza, il
   contenuto resta centrato dentro .container) --- */
.section { padding: 40px 0; }
.section h2 { font-size: 1.4rem; text-align: center; margin-bottom: 6px; color: var(--color-text); }
.section-subtitle { text-align: center; color: var(--color-text-muted); margin: 0 0 24px; font-size: 0.95rem; }
.section-business, .section-books { background: var(--color-bg-alt); }
.section-business { padding: 24px 0; }

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: 1fr; }
.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .section h2 { font-size: 1.8rem; }
}

.card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.business-unit-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 6px;
  padding: 20px 16px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  box-shadow: 0 2px 6px rgba(1,67,116,0.08);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.business-unit-card:hover { box-shadow: 0 8px 20px rgba(1,67,116,0.16); transform: translateY(-3px); }
.business-unit-icon { color: var(--color-primary); }
.business-unit-icon svg { width: 52px; height: 52px; }
.business-unit-card h3 { margin: 0; font-size: 1.1rem; color: var(--color-primary); }
.business-unit-card p { margin: 0; color: var(--color-text-muted); font-size: 0.88rem; }

.project-card { align-items: center; text-align: center; }
.project-logo { height: 120px; width: auto; max-width: 100%; object-fit: contain; margin-bottom: 4px; }
.project-card p {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.cta {
  display: inline-block;
  margin-top: auto;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
}
.cta:hover { background: var(--color-primary-light); }
.cta-inline { margin-top: 4px; padding: 6px 14px; font-size: 0.78rem; }

/* --- Consulting Services (2 colonne: E-Commerce Growth / AI Retail) --- */
.services-columns { display: grid; grid-template-columns: 1fr; gap: 32px; }
.services-col-title {
  font-size: 1rem;
  color: var(--color-primary);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}
.service-list { display: flex; flex-direction: column; gap: 8px; }
.service-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--color-text);
  transition: background 0.15s ease, border-color 0.15s ease;
}
.service-icon { flex-shrink: 0; display: flex; color: var(--color-primary); }
.service-icon svg { width: 22px; height: 22px; }

@media (min-width: 768px) {
  .services-columns { grid-template-columns: 1fr 1fr; gap: 48px; }
}

.book-card {
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: #ffffff;
}

.book-cover { width: 110px; height: auto; border-radius: 6px; box-shadow: 0 8px 24px rgba(0,0,0,0.15); flex-shrink: 0; }
.book-info { display: flex; flex-direction: column; gap: 6px; align-items: center; }
.book-badge { font-size: 0.7rem; letter-spacing: 0.04em; color: var(--color-primary); font-weight: 700; text-transform: uppercase; }
.book-info h3 { margin: 0; font-size: 1rem; }
.book-info p { color: var(--color-text-muted); font-size: 0.85rem; max-width: 420px; margin: 0; }

@media (min-width: 600px) {
  .book-card { flex-direction: row; text-align: left; align-items: flex-start; gap: 20px; }
  .book-info { align-items: flex-start; }
}

/* --- Chi sono / About --- */
.about-hero { padding: 40px 20px; }
.about-hero-grid { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: start; }
.about-photo { width: 160px; height: 213px; object-fit: cover; border-radius: 14px; box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.about-intro h1 { margin: 0 0 4px; font-size: 1.8rem; }
.about-title { color: var(--color-primary); font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; margin: 0 0 14px; }
.about-intro p { color: var(--color-text-muted); margin: 0 0 12px; font-size: 0.95rem; }
.about-cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.cta-outline { background: transparent; border: 1.5px solid var(--color-primary); color: var(--color-primary); }
.cta-outline:hover { background: var(--color-primary); color: #fff; }

@media (min-width: 768px) {
  .about-hero-grid { grid-template-columns: 220px 1fr; gap: 40px; }
  .about-photo { width: 220px; height: 293px; }
  .about-intro h1 { font-size: 2.2rem; }
}

.kpi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.kpi-tile {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi-value { font-size: 1.5rem; font-weight: 800; color: var(--color-primary); }
.kpi-label { font-size: 0.88rem; color: var(--color-text-muted); }

@media (min-width: 600px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 768px) {
  .kpi-grid { grid-template-columns: repeat(6, 1fr); }
  .kpi-value { font-size: 1.7rem; }
}

.skills-groups { display: grid; grid-template-columns: 1fr; gap: 28px; }
.skills-group-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}
.skill-item { padding: 10px 0; border-bottom: 1px solid var(--color-border); display: flex; flex-direction: column; gap: 2px; }
.skill-item:last-child { border-bottom: none; }
.skill-item-title { font-weight: 600; font-size: 0.92rem; }
.skill-item-tagline { font-size: 0.8rem; color: var(--color-text-muted); }

@media (min-width: 768px) {
  .skills-groups { grid-template-columns: repeat(3, 1fr); }
}

.section-experience h2 { margin: 48px 0 24px; }
.section-experience h2:first-child { margin-top: 0; }

.experience-list { display: flex; flex-direction: column; gap: 28px; max-width: 760px; margin: 0 auto; }
.experience-item { display: grid; grid-template-columns: 1fr; gap: 4px; padding-bottom: 24px; border-bottom: 1px solid var(--color-border); }
.experience-item:last-child { border-bottom: none; }
.experience-dates { font-size: 0.78rem; font-weight: 700; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.03em; }
.experience-body h3 { margin: 4px 0 2px; font-size: 1.05rem; }
.experience-company { margin: 0 0 8px; font-size: 0.88rem; color: var(--color-text-muted); font-weight: 600; }
.experience-desc { margin: 0; font-size: 0.9rem; color: var(--color-text-muted); }
.experience-mandato { margin: 0 0 8px; font-size: 0.88rem; color: var(--color-text); }
.experience-mandato strong { color: var(--color-primary); }
.experience-bullets { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; }
.experience-bullets li { font-size: 0.88rem; color: var(--color-text-muted); }

@media (min-width: 768px) {
  .experience-item { grid-template-columns: 160px 1fr; gap: 20px; }
}

/* --- Contatti --- */
.section-contact h1 { text-align: center; margin-bottom: 6px; }
.contact-form-wrap { max-width: 640px; margin: 24px auto 0; }
.contact-form-wrap iframe { display: block; }

/* --- Partners & Platforms --- */
.section-partners { background: #ffffff; }
.section-partners h2 { margin-bottom: 28px; }
.partners-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.partner-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px 10px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #aab0b9;
  letter-spacing: 0.01em;
}

@media (min-width: 600px) {
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 768px) {
  .partners-grid { grid-template-columns: repeat(5, 1fr); }
}

/* --- Privacy & Cookie Policy --- */
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.section-privacy h1 { margin-bottom: 4px; }
.privacy-updated { color: var(--color-text-muted); font-size: 0.82rem; margin: 0 0 20px; }
.privacy-intro { color: var(--color-text-muted); font-size: 1rem; margin-bottom: 8px; }
.privacy-block { margin-top: 32px; }
.privacy-block h2 { font-size: 1.15rem; color: var(--color-primary); margin: 0 0 10px; }
.privacy-block h3 { font-size: 1rem; margin: 20px 0 8px; }
.privacy-block p { font-size: 0.92rem; color: var(--color-text); margin: 0 0 10px; line-height: 1.6; }
.privacy-block ul { margin: 0 0 10px; padding-left: 20px; }
.privacy-block li { font-size: 0.92rem; color: var(--color-text); margin-bottom: 4px; }

.cookie-categories { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 16px 0; }
.cookie-category { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: 10px; padding: 14px 16px; }
.cookie-category h3 { margin: 0 0 6px; font-size: 0.92rem; color: var(--color-primary); }
.cookie-category p { margin: 0; font-size: 0.85rem; }

.cookie-table-wrap { overflow-x: auto; margin: 12px 0; }
.cookie-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; min-width: 480px; }
.cookie-table th, .cookie-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--color-border); }
.cookie-table th { color: var(--color-primary); font-weight: 700; white-space: nowrap; }

@media (min-width: 768px) {
  .cookie-categories { grid-template-columns: repeat(3, 1fr); }
}

/* --- Cookie consent banner --- */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  background: var(--color-footer-bg);
  color: rgba(255,255,255,0.85);
  padding: 16px 20px;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.2);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner-inner { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.cookie-banner-inner p { margin: 0; font-size: 0.85rem; }
.cookie-banner-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.cookie-banner-info { font-size: 0.82rem; color: #fff; text-decoration: underline; margin-right: auto; }
.cookie-banner .cta { font-size: 0.82rem; padding: 8px 16px; }
.cookie-banner .cta-outline { border-color: rgba(255,255,255,0.5); color: #fff; background: transparent; }
.cookie-banner .cta-outline:hover { background: rgba(255,255,255,0.15); color: #fff; }

@media (min-width: 768px) {
  .cookie-banner-inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .cookie-banner-inner p { max-width: 640px; }
}

/* --- FAQ --- */
.section-faq { background: var(--color-bg-alt); }
.section-faq h2 { margin-bottom: 28px; }
.faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 760px; margin: 0 auto; }
.faq-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 14px 18px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  list-style: none;
  position: relative;
  padding-right: 24px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 400;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 12px 0 0; font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.6; }

/* --- Footer (sfondo scuro, 4 colonne) --- */
.site-footer {
  background: var(--color-footer-bg);
  color: rgba(255,255,255,0.72);
  padding: 40px 20px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 32px;
  text-align: center;
}

.footer-col-logo { display: flex; align-items: flex-start; justify-content: flex-start; align-self: start; padding-right: 24px; }
.footer-logo { width: 100%; max-width: 200px; height: auto; }

.footer-col h4 {
  margin: 0 0 12px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.5);
}

.footer-address { margin: 0; font-size: 0.85rem; line-height: 1.6; }

.footer-links-col { display: flex; flex-direction: column; gap: 8px; font-size: 0.88rem; }
.footer-links-col a:hover { color: #fff; }

.footer-social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  margin-top: 16px;
  background: #ffffff;
  border: none;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-footer-bg);
  transition: background 0.15s ease;
}
.footer-social-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.footer-social-btn:hover { background: #e8e8e8; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 18px 20px;
  text-align: center;
  font-size: 0.78rem;
}
.footer-bottom a:hover { color: #fff; }

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.1fr 0.9fr 1fr 1fr 1fr; text-align: left; }
  .footer-col-logo { padding-right: 40px; }
}

/* --- Placeholder pages --- */
.placeholder {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
  gap: 12px;
}

.placeholder h1 { font-size: 1.6rem; margin: 0; color: var(--color-text); }
.placeholder p { color: var(--color-text-muted); max-width: 420px; margin: 0; }
.placeholder a { color: var(--color-primary); font-weight: 600; }