/* --- Variables CSS --- */
:root {
  --bg-color: white;
  --text-color: #282828;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-hover: rgba(0, 0, 0, 0.15);
  --border-radius: 12px;
  --transition-speed: 0.3s;
  --navbar-height: 80px;
}

p {
  color: black;
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: black;
}

/* --- Reset et base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  background: url(../images/IMG_1434.JPG) no-repeat center/cover fixed;
  min-height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: "Silkscreen", sans-serif;
  margin: 0;
  padding: 0;
  padding-top: var(--navbar-height);
}

/* --- Texte centré --- */
.intro,
footer,
.block {
  text-align: center;
}

/* --- Conteneur centré optimisé --- */
.container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-direction: column;
  gap: 2rem;
  min-height: calc(100vh - var(--navbar-height));
  width: min(90%, 800px);
  margin: 2rem auto;
  padding: 1rem;
}

/* --- Boîtes optimisées --- */
.box {
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow:
    0 4px 20px var(--shadow-light),
    0 1px 3px rgba(0, 0, 0, 0.05);
  transition:
    transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow var(--transition-speed) ease,
    backdrop-filter var(--transition-speed) ease;
  border-radius: var(--border-radius);
  overflow: hidden;
  position: relative;
}

/* --- Images optimisées --- */
.box img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 250px;
  /* Réduit de 400px à 250px */
  object-fit: cover;
  transition: transform var(--transition-speed) ease;
}

/* --- Effet hover amélioré --- */
.box:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow:
    0 12px 40px var(--shadow-hover),
    0 4px 12px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(15px);
}

.box:hover img {
  transform: scale(1.05);
}

/* --- États actifs --- */
.box:active {
  transform: translateY(-4px) scale(1.01);
  transition-duration: 0.1s;
}

/* --- Responsive optimisé --- */
@media (max-width: 768px) {
  :root {
    --navbar-height: 70px;
  }

  .container {
    width: 95%;
    margin: 1rem auto;
    gap: 1.5rem;
    min-height: calc(100vh - var(--navbar-height));
  }

  .box img {
    max-height: 180px;
    /* Réduit de 250px à 180px */
  }

  .box:hover {
    transform: translateY(-4px) scale(1.01);
  }
}

@media (max-width: 480px) {
  .container {
    width: 100%;
    padding: 0.5rem;
    gap: 1rem;
  }

  .box {
    border-radius: 8px;
  }

  .box img {
    max-height: 150px;
    /* Réduit de 200px à 150px */
  }

  .box:hover {
    transform: translateY(-2px);
  }
}

/* --- Animation d'entrée --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.box {
  animation: fadeInUp 0.6s ease-out backwards;
}

.box:nth-child(2) {
  animation-delay: 0.1s;
}

.box:nth-child(3) {
  animation-delay: 0.2s;
}

.box:nth-child(4) {
  animation-delay: 0.3s;
}

/* --- Amélioration accessibilité --- */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}