/* Palette Tokyo Night & Variables */
:root {
  --bg-dark: #1a1b26;
  --bg-header: #16161e;
  --bg-card: #24283b;
  --accent-blue: #7aa2f7;
  --accent-purple: #bb9af7;
  --accent-red: #f7768e;
  --accent-green: #9ece6a;
  --text-main: #a9b1d6;
  --text-muted: #565f89;
  --border: rgba(122, 162, 247, 0.2);
}


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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}


header {
  background-color: var(--bg-header);
  padding: 60px 0;
  border-bottom: 2px solid var(--accent-blue);
  text-align: center;
}

h1 {
  color: var(--accent-blue);
  font-size: 2.5rem;
  margin-bottom: 15px;
  letter-spacing: -1px;
}

.objective-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px;
  border-radius: 12px;
  max-width: 700px;
  margin: 0 auto;
}

main {
  padding: 40px 0;
}

.sequence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}


@media (max-width: 900px) {
  .sequence-grid {
    grid-template-columns: 1fr;
  }
}


.card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 25px;
  border: 1px solid var(--border);
  transition: transform 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
}

.badge {
  background: var(--accent-purple);
  color: var(--bg-dark);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 6px;
  text-transform: uppercase;
  width: fit-content;
  margin-bottom: 15px;
}


.media-box {
  background: var(--bg-dark);
  border-radius: 8px;
  margin: 15px 0;
  overflow: hidden;
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

audio {
  width: 100%;
  height: 35px;
  filter: invert(100%) hue-rotate(180deg) brightness(1.5);
  /* S'adapte au thème sombre */
}

.btn-primary {
  display: block;
  background-color: var(--accent-blue);
  color: var(--bg-dark);
  text-align: center;
  padding: 12px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  margin-top: auto;
  transition: background 0.2s;
}

.btn-primary:hover {
  background-color: #89ddff;
}

.zoom-effect {
  transition: transform 0.3s ease;
  cursor: zoom-in;
}

.zoom-effect:hover {
  transform: scale(1.1);
}

footer {
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}