* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  background: #ffffff;
  color: #111111;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* HEADER */
header {
  border-bottom: 1px solid #eee;
  padding: 16px 24px;
  position: sticky;
  top: 0;
  background: #ffffff;
  z-index: 100;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font-family: "Times New Roman", "Georgia", serif;
  letter-spacing: 0.25em;
  font-size: 18px;
  text-transform: uppercase;
}
.logo a {
  text-decoration: none;
  color: inherit;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 18px;
  font-size: 14px;
  text-transform: uppercase;
}
nav a { text-decoration: none; }
.social {
  display: flex;
  gap: 12px;
  font-size: 14px;
}
.social a { opacity: 0.7; }
.social a:hover { opacity: 1; }

main {
  max-width: 1200px;
  margin: 32px auto 64px;
  padding: 0 24px;
}
/* di base: nascosto (desktop) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  padding: 0;
}

/* solo su schermi piccoli lo mostro */
@media (max-width: 600px) {
  .nav-toggle {
    display: block;
  }
}



/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
.hero-text small {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: #777;
}
.hero-text h1 {
  font-family: "Times New Roman", "Georgia", serif;
  font-size: 32px;
  margin: 12px 0;
}
.hero-text p {
  font-size: 15px;
  margin-bottom: 20px;
  color: #444;
}
.btn {
  display: inline-block;
  padding: 10px 18px;
  border: 1px solid #111;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  background: #ffffff;      /* sfondo bianco fisso */
  color: #111111;           /* testo nero fisso    */
  text-decoration: none;
}

.btn:hover,
.btn:focus,
.btn:active {
  background: #111111;      /* quando premi: sfondo nero */
  color: #ffffff;           /* testo bianco */
}

/* TITOLI SEZIONI */
.section-title {
  font-family: "Times New Roman", "Georgia", serif;
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 16px;
}

/* ARTICOLI IN HOME */
.grid-articles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.card-article {
  border-top: 1px solid #eee;
  padding-top: 12px;
}
.card-article small {
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #999;
}
.card-article h3 {
  font-size: 16px;
  margin: 8px 0;
}
.card-article p {
  font-size: 14px;
  color: #555;
}

/* CATEGORIE */
.grid-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.cat-box {
  border: 1px solid #eee;
  padding: 16px;
}
.cat-box h4 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  margin-top: 10px;
}

/* ISSUE */
.issue {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 48px;
  padding: 24px;
  border: 1px solid #eee;
}
.issue h2 {
  font-family: "Times New Roman", "Georgia", serif;
  font-size: 24px;
  margin-bottom: 8px;
}
.issue p {
  font-size: 14px;
  color: #555;
  margin-bottom: 16px;
}

/* ABOUT */
.about {
  margin-bottom: 48px;
  max-width: 800px;
}
.about p { font-size: 15px; color: #444; }

/* NEWSLETTER */
.newsletter {
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  padding: 24px 0;
  margin-bottom: 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}
.newsletter-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.newsletter input[type="email"] {
  padding: 10px 12px;
  border: 1px solid #ccc;
  min-width: 240px;
}

/* FOOTER */
footer {
  border-top: 1px solid #eee;
  padding: 24px;
  font-size: 12px;
  color: #777;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
}
footer a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

/* PAGINE FORM */
.form-page {
  max-width: 500px;
  margin: 60px auto;
  padding: 0 24px;
}
.form-page label {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
}
.form-page input[type="text"],
.form-page input[type="email"],
.form-page input[type="password"],
.form-page input[type="date"],
.form-page textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  margin-bottom: 12px;
  font-size: 14px;
}
.form-page textarea {
  min-height: 200px;
  resize: vertical;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .grid-articles,
  .grid-categories { grid-template-columns: 1fr 1fr; }
  .issue { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  nav ul {
    display: none;
    position: absolute;
    top: 56px;
    right: 16px;
    background: #ffffff;
    padding: 16px 24px;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  }

  header {
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .header-inner {
    position: relative;
  }

  .nav-toggle {
    display: block;
  }

  .social {
    display: none;
  }

  header.nav-open nav ul {
    display: flex;
  }

  .grid-articles,
  .grid-categories { grid-template-columns: 1fr; }
  .newsletter { align-items: flex-start; }
}

.sponsor-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
}

.sponsor-banner {
  flex: 1 1 260px;
  border: 1px solid #eee;
  padding: 8px;
  display: block;
  background: #fafafa;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.sponsor-banner img {
  width: 100%;
  height: auto;
  display: block;
}

.sponsor-banner:hover {
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

/* --- SPONSOR GRID ELEGANTE --- */

.sponsor-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin: 0 auto;
  max-width: 900px;
}

/* Link sponsor */
.sponsor-banner {
  display: block;
  width: 180px;                 /* dimensione banner ridotta */
  height: 90px;                 /* proporzione armonica */
  padding: 12px;
  border: 1px solid #eee;
  background: #fafafa;
  transition: all 0.15s ease;
  border-radius: 4px;
}

/* Contenitore immagine ratio fixed */
.sponsor-img-wrap {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

/* Immagini sponsor uniformate */
.sponsor-banner img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;          /* mantiene proporzioni */
  filter: grayscale(100%);      /* look elegante magazine */
  opacity: 0.9;
  transition: all 0.2s ease;
}

.sponsor-banner:hover {
  background: #ffffff;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.sponsor-banner:hover img {
  filter: grayscale(0);
  opacity: 1;
}

/* Mobile: riduco dimensioni */
@media (max-width: 600px) {
  .sponsor-banner {
    width: 140px;
    height: 70px;
    padding: 10px;
  }
}

/* Sponsor dentro articolo */

.article-sponsor {
  max-width: 800px;
  margin: 32px auto 64px;
  padding-top: 16px;
  border-top: 1px solid #eee;
}

.article-sponsor-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: flex-start;
}

/* banner orizzontale dentro articolo */
.article-banner-inline img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid #eee;
  background: #fafafa;
}

/* banner verticale sidebar (300x600) */
.article-banner-sidebar {
  max-width: 300px;
  justify-self: end;
}

.article-banner-sidebar img {
  width: 100%;
  max-width: 300px;
  max-height: 600px;
  object-fit: contain;
  display: block;
  border: 1px solid #eee;
  background: #fafafa;
}

/* mobile: vertical stack */
@media (max-width: 800px) {
  .article-sponsor-grid {
    grid-template-columns: 1fr;
  }

  .article-banner-sidebar {
    justify-self: start;
    max-width: 260px;
  }
}