/* Variabili CSS */
:root {
  --milan-red: #e53935;
  --milan-dark-red: #c62828;
  --milan-black: #000000;
  --milan-gold: #ffd700;
  --text-light: #ffffff;
  --text-dark: #333333;
  --card-transition: 0.3s ease;
  --background-overlay: rgba(0, 0, 0, 0.7);
}

/* Reset e stili di base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Montserrat", sans-serif;
  color: var(--text-light);
  min-height: 100vh;
  position: relative;
  background-color: #1a1a1a;
  display: flex;
  flex-direction: column;
}

.background-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
      135deg,
      rgba(198, 40, 40, 0.8),
      rgba(0, 0, 0, 0.9)
    ),
    url("https://www.acmilan.com/sites/default/files/styles/image_full_desktop/public/2023-05/san-siro-stadium-milan-sunset-desktop.jpg?itok=Ld-bJRQP")
      no-repeat center center;
  background-size: cover;
  z-index: -1;
}

/* Header */
header {
  background-color: var(--milan-black);
  padding: 1.5rem 0;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 10;
}

.logo-container {
  margin-bottom: 1rem;
}

.logo {
  width: 80px;
  height: auto;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.1);
}

header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-light);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* Main content */
main {
  flex: 1;
  padding: 3rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.intro-section {
  text-align: center;
  margin-bottom: 3rem;
}

.intro-section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--text-light);
  position: relative;
  display: inline-block;
  padding-bottom: 0.5rem;
}

.intro-section h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background-color: var(--milan-red);
  transition: width 0.3s ease;
}

.intro-section h2:hover::after {
  width: 150px;
}

.intro-section p {
  font-size: 1.1rem;
  color: #e0e0e0;
  max-width: 700px;
  margin: 0 auto;
}

/* Loading spinner */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 0;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--milan-red);
  animation: spin 1s ease-in-out infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-container p {
  color: #e0e0e0;
  font-size: 1.1rem;
}

/* Seasons container */
.seasons-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.season-card {
  background: linear-gradient(
    135deg,
    var(--milan-dark-red),
    var(--milan-black)
  );
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.8s ease-out forwards;
  opacity: 0;
}

.season-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
}

.season-card:nth-child(1) {
  animation-delay: 0.1s;
}

.season-card:nth-child(2) {
  animation-delay: 0.2s;
}

.season-card:nth-child(3) {
  animation-delay: 0.3s;
}

.season-card:nth-child(4) {
  animation-delay: 0.4s;
}

.season-card:nth-child(5) {
  animation-delay: 0.5s;
}

.season-header {
  background-color: var(--milan-black);
  padding: 1.2rem;
  text-align: center;
  border-bottom: 3px solid var(--milan-red);
}

.season-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-light);
}

.season-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.season-info {
  margin-bottom: 1.5rem;
  flex: 1;
}

.position-container {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.position-badge {
  background-color: var(--milan-gold);
  color: var(--milan-black);
  font-size: 1.8rem;
  font-weight: 700;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.position-text {
  font-size: 1rem;
}

.competitions-container {
  margin-bottom: 1rem;
}

.competitions-title {
  font-size: 0.9rem;
  color: #e0e0e0;
  margin-bottom: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.competitions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.competition-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 0.8rem;
  transition: transform 0.2s ease, background-color 0.2s ease;
  position: relative;
}

.competition-item:hover {
  transform: translateY(-3px);
  background-color: rgba(255, 255, 255, 0.15);
}

/* Stile per le competizioni vinte */
.competition-winner {
  background-color: rgba(255, 215, 0, 0.2);
  border: 1px solid rgba(255, 215, 0, 0.5);
}

.competition-winner:hover {
  background-color: rgba(255, 215, 0, 0.3);
}

.winner-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--milan-gold);
  color: var(--milan-black);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  z-index: 2;
}

.competition-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 0.5rem;
  object-fit: contain;
}

.competition-name {
  font-size: 0.8rem;
  color: #e0e0e0;
  text-align: center;
  white-space: nowrap;
}

.view-button {
  background-color: var(--milan-red);
  color: var(--text-light);
  border: none;
  border-radius: 6px;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-align: center;
  text-decoration: none;
  display: block;
  margin-top: auto;
}

.view-button:hover {
  background-color: var(--milan-dark-red);
  transform: translateY(-3px);
}

.view-button:active {
  transform: translateY(0);
}

/* Trophy icon for champions */
.champion-badge {
  position: absolute;
  top: -10px;
  right: -10px;
  background-color: var(--milan-gold);
  color: var(--milan-black);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  z-index: 2;
}

.trophy-icon {
  width: 30px;
  height: 30px;
}

/* Footer */
footer {
  background-color: var(--milan-black);
  padding: 1.5rem;
  text-align: center;
  margin-top: 3rem;
}

footer p {
  margin-bottom: 1rem;
  color: #e0e0e0;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.social-links a {
  color: var(--text-light);
  transition: color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
  color: var(--milan-red);
  transform: scale(1.2);
}

/* Animazioni */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Media queries */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.8rem;
  }

  .intro-section h2 {
    font-size: 1.6rem;
  }

  .intro-section p {
    font-size: 1rem;
  }

  .seasons-container {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .competition-icon {
    width: 32px;
    height: 32px;
  }

  .competition-name {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.5rem;
  }

  .logo {
    width: 60px;
  }

  .intro-section h2 {
    font-size: 1.4rem;
  }

  .seasons-container {
    grid-template-columns: 1fr;
  }

  .season-header h3 {
    font-size: 1.3rem;
  }

  .competition-icon {
    width: 28px;
    height: 28px;
  }
}