/*
 * Foglio di stile principale per Hackissimo.tech
 *
 * Questo CSS definisce l'aspetto generale del sito, dalla
 * testata alla griglia degli articoli fino alle pagine dei singoli
 * articoli. È stato concepito per essere leggero e
 * compatibile con Google AdSense, evitando eccessivi script
 * o stili pesanti. Il layout è responsive grazie a CSS Grid
 * e Flexbox e si adatta a schermi piccoli e grandi.
 */

/* Variabili CSS per colori coerenti su tutto il sito */
:root {
  --primary-color: #2c3e50;
  --accent-color: #f39c12;
  --background-color: #f5f5f5;
  --card-background: #ffffff;
  --text-color: #333333;
  --muted-color: #777777;
  --tip-background: #eef7fb;
  --ad-background: #fff7e6;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
}

header {
  background-color: var(--card-background);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo {
  height: 48px;
  width: 48px;
  object-fit: contain;
}

header h1 {
  font-size: 1.75rem;
  margin: 0;
  color: var(--primary-color);
}

header h1 .highlight {
  color: var(--accent-color);
}

nav {
  margin-top: 0.5rem;
}

nav a {
  color: var(--primary-color);
  text-decoration: none;
  margin-left: 1rem;
  font-weight: 600;
}

nav a:hover {
  text-decoration: underline;
}

/* Tip del Giorno */
#tip-section {
  background-color: var(--tip-background);
  padding: 1.5rem 2rem;
  margin: 1rem 2rem;
  border-radius: 8px;
}

#tip-section h2 {
  margin-top: 0;
  color: var(--primary-color);
}

#tip-section p {
  margin-bottom: 0;
  font-style: italic;
  color: var(--muted-color);
}

/* Spazio pubblicitario */
.ad-space {
  background-color: var(--ad-background);
  border: 1px dashed var(--accent-color);
  text-align: center;
  padding: 1rem;
  margin: 1rem 2rem;
  color: var(--muted-color);
  font-size: 0.9rem;
}

/* Griglia articoli */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 0 2rem 2rem;
}

.card {
  background-color: var(--card-background);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.card h2 {
  font-size: 1.25rem;
  margin: 0.5rem 1rem 0 1rem;
  color: var(--primary-color);
}

.card p {
  flex-grow: 1;
  margin: 0.5rem 1rem 1rem 1rem;
  color: var(--muted-color);
  font-size: 0.9rem;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: var(--card-background);
  color: var(--muted-color);
  font-size: 0.85rem;
}

/* Stili per pagina articolo */
.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  background-color: var(--card-background);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  border-radius: 8px;
}

.article-container header {
  box-shadow: none;
  margin-bottom: 1rem;
  padding-left: 0;
  padding-right: 0;
}

.article-container h1 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.article-container img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 1rem;
  object-fit: cover;
}

.article-container p {
  margin-bottom: 1rem;
  color: var(--text-color);
  text-align: justify;
}

.article-container .back-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.article-container .back-link:hover {
  text-decoration: underline;
}

/* Media queries per schermi più piccoli */
@media (max-width: 600px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  nav {
    margin-top: 0.5rem;
  }
  .grid {
    padding: 0 1rem 1.5rem;
  }
  .ad-space {
    margin: 1rem;
  }
  #tip-section {
    margin: 1rem;
  }
}