:root {
  --primary: #1B7F79;
  --primary-dark: #003C37;
  --secondary: #226C99;
  --surface: #F7FBFA;
  --on-surface: #1B1C1A;
  --on-surface-variant: #404944;
  --outline: #707975;
}

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

html {
  scroll-padding-top: 80px;
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--on-surface);
  background: var(--surface);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  padding: 20px 0;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: block;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-table {
  width: 220px;
  height: 66px;
  border-collapse: collapse;
  table-layout: fixed;
}

.logo-cell {
  width: 220px;
  height: 66px;
  padding: 0;
  overflow: hidden;
  vertical-align: middle;
}

.logo-table img {
  display: block;
  width: 220px;
  height: 66px;
  object-fit: contain;
  object-position: left center;
}

.nav a {
  margin-left: 24px;
  color: var(--on-surface-variant);
  text-decoration: none;
  font-weight: 500;
}

.nav a:hover {
  color: var(--primary);
}

/* Lingue: pulsante con icona globo e menu a tendina */
.lang-dropdown {
  position: relative;
  padding-left: 24px;
  border-left: 1px solid rgba(0,0,0,0.1);
}

.lang-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.lang-dropdown-trigger:hover {
  color: var(--primary);
  background: rgba(27, 127, 121, 0.08);
  border-color: rgba(27, 127, 121, 0.2);
}

.lang-globe {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.lang-current {
  min-width: 1.4em;
}

.lang-chevron {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.lang-dropdown.open .lang-chevron {
  transform: rotate(180deg);
}

.lang-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  min-width: 140px;
  padding: 6px 0;
  background: var(--surface);
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
  z-index: 200;
}

.lang-dropdown.open .lang-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown-menu .lang-option {
  display: block;
  padding: 10px 16px;
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.lang-dropdown-menu .lang-option:hover {
  background: rgba(27, 127, 121, 0.08);
  color: var(--primary);
}

.auth-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 24px;
  border-left: 1px solid rgba(0,0,0,0.1);
}

.btn-header {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: all 0.2s;
}

.btn-header:not(.btn-primary) {
  color: var(--on-surface-variant);
  background: transparent;
}

.btn-header:not(.btn-primary):hover {
  color: var(--primary);
}

.btn-header.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-header.btn-primary:hover {
  background: var(--primary-dark);
}

/* Hero */
.hero {
  padding: 80px 0 100px;
  text-align: center;
}

.hero-tagline {
  font-size: 1rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--primary-dark);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--on-surface-variant);
  max-width: 560px;
  margin: 0 auto 40px;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.cta-group-centered {
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 12px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: rgba(27, 127, 121, 0.08);
}

.btn-secondary.btn-disabled,
.btn-secondary[href="#"] {
  opacity: 0.7;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.1rem;
}

/* Trust bar */
.trust-bar {
  padding: 24px 0;
  background: white;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.trust-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--on-surface-variant);
  font-weight: 500;
}

.trust-icon {
  font-size: 1.2rem;
}

/* Section intro */
.section-intro {
  text-align: center;
  color: var(--on-surface-variant);
  max-width: 560px;
  margin: -24px auto 40px;
}

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: white;
  padding: 28px;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.feature-icon {
  font-size: 1.5rem;
  display: block;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--primary-dark);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--on-surface-variant);
  line-height: 1.5;
}

/* Pricing */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 600px;
  margin: 0 auto 24px;
}

.pricing-card {
  background: white;
  padding: 32px;
  border-radius: 16px;
  border: 2px solid var(--primary);
  text-align: center;
}

.pricing-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--primary-dark);
}

.price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin: 24px 0 12px;
}

.price-amount {
  font-size: 0.9rem;
  font-weight: 500;
}

.pricing-card p {
  font-size: 0.95rem;
  color: var(--on-surface-variant);
}

.pricing-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}

/* FAQ */
.faq-list {
  max-width: 640px;
  margin: 0 auto;
}

.faq-item {
  padding: 24px 0;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h4 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--primary-dark);
}

.faq-item p {
  font-size: 0.95rem;
  color: var(--on-surface-variant);
  line-height: 1.6;
}

/* Sections */
.section {
  padding: 80px 0;
}

.section-alt {
  background: #f8faf9;
}

.section h2 {
  font-size: 1.75rem;
  margin-bottom: 40px;
  text-align: center;
  color: var(--primary-dark);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
}

.step {
  text-align: center;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: 50%;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--primary-dark);
}

.step p {
  color: var(--on-surface-variant);
  font-size: 0.95rem;
}

.features {
  list-style: none;
  max-width: 480px;
  margin: 0 auto;
}

.features li {
  padding: 12px 0;
  font-size: 1.1rem;
  color: var(--on-surface-variant);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.features li:last-child {
  border-bottom: none;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 1.75rem;
  margin-bottom: 12px;
  color: var(--primary-dark);
}

.cta-section p {
  color: var(--on-surface-variant);
  margin-bottom: 28px;
}

/* Footer */
.footer {
  padding: 32px 0;
  border-top: 1px solid rgba(0,0,0,0.08);
}

.footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer p {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
}

.footer-nav a {
  margin-left: 24px;
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
  .nav { display: none; }
  .lang-dropdown { border-left: none; padding-left: 0; }
  .auth-buttons { padding-left: 16px; border-left: none; }
  .btn-header { padding: 6px 14px; font-size: 0.85rem; }
}

@media (max-width: 600px) {
  .logo-table, .logo-cell { width: 170px; height: 51px; }
  .logo-table img { width: 170px; height: 51px; }
  .hero { padding: 60px 0 80px; }
  .cta-group { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .trust-items { flex-direction: column; gap: 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-cards { grid-template-columns: 1fr; }
}