/* =======================
   CSS BASE - CONTROLLO ZUCCHERO
   ======================= */
:root {
  /* Colori Primari */
  --primary-blue: #2C5F8D;
  --primary-teal: #1A9B8E;
  --secondary-green: #4CAF50;
  --secondary-orange: #FF9800;
  
  /* Colori Neutri */
  --neutral-dark: #2C3E50;
  --neutral-medium: #7F8C8D;
  --neutral-light: #ECF0F1;
  --neutral-white: #FFFFFF;
  
  /* Spaziatura */
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--neutral-dark);
  background: var(--neutral-white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.site-header {
  background: var(--neutral-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--neutral-dark);
}

.logo strong {
  color: var(--primary-blue);
}

/* Navigation */
.main-nav {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  text-decoration: none;
  color: var(--neutral-dark);
  font-weight: 500;
  padding: var(--space-sm) 0;
  transition: color 0.3s;
}

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

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--neutral-light) 0%, var(--neutral-white) 100%);
  padding: var(--space-xl) 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-title {
  font-size: 3rem;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.highlight {
  color: var(--primary-teal);
}

.hero-description {
  font-size: 1.2rem;
  color: var(--neutral-medium);
  margin-bottom: var(--space-lg);
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: 2px solid transparent;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--primary-teal);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-blue);
  border-color: var(--primary-blue);
}

.btn-outline:hover {
  background: var(--primary-blue);
  color: var(--neutral-white);
}

/* Trust Badges */
.trust-badges {
  display: flex;
  gap: var(--space-md);
}

.badge {
  background: var(--primary-teal);
  color: var(--neutral-white);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Articles Grid */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.article-card {
  background: var(--neutral-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: all 0.3s;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.card-image {
  height: 160px;
  background: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.card-content {
  padding: var(--space-lg);
}

.category-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--neutral-light);
  color: var(--neutral-dark);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.card-excerpt {
  color: var(--neutral-medium);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.card-meta {
  display: flex;
  gap: var(--space-md);
  font-size: 0.9rem;
  color: var(--neutral-medium);
}

/* Categories */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.category-card {
  background: var(--neutral-white);
  padding: var(--space-xl);
  border-radius: 12px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: all 0.3s;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  text-decoration: none;
  color: inherit;
}

.category-card-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.category-card h3 {
  color: var(--primary-blue);
  margin-bottom: var(--space-sm);
}

/* Footer */
.site-footer {
  background: var(--neutral-dark);
  color: var(--neutral-light);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-col h4 {
  color: var(--neutral-white);
  margin-bottom: var(--space-md);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul li a {
  color: #BDC3C7;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-col ul li a:hover {
  color: var(--primary-teal);
}

.footer-bottom {
  border-top: 1px solid #34495E;
  padding-top: var(--space-lg);
  text-align: center;
}

.disclaimer {
  font-size: 0.9rem;
  color: #95A5A6;
  margin-top: var(--space-sm);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-cta {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .trust-badges {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .main-nav {
    display: none;
  }
}