/* ===== Palette Halloween ===== */
:root {
  --nuit: #0b0612;
  --violet: #2b0f45;
  --citrouille: #ff7a18;
  --citrouille-clair: #ffb347;
  --citrouille-fonce: #c94a00;
  --vert-poison: #9dff4f;
  --lune: #fff4c9;
}

/* ===== Page ===== */
body {
  margin: 0;
  min-height: 100vh;
  padding: 40px 16px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 40px;

  /* Ciel de nuit : lueur violette en haut, noir en bas */
  background:
    radial-gradient(ellipse at 50% 0%, var(--violet) 0%, transparent 70%),
    linear-gradient(180deg, #1a0b29 0%, var(--nuit) 100%);
  background-attachment: fixed;
  color: white;
  font-family: 'Nunito', Arial, sans-serif;
}

/* ===== Cartes en verre "hanté" ===== */
.glass {
  position: relative;
  z-index: 1; /* au-dessus du décor */
  width: 100%;
  max-width: 800px;
  padding: clamp(28px, 6vw, 50px);
  box-sizing: border-box;
  text-align: center;

  background: rgba(30, 10, 45, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  border-radius: 24px;
  border: 1px solid rgba(255, 122, 24, 0.35);
  box-shadow:
    0 15px 45px rgba(0, 0, 0, 0.6),
    0 0 30px rgba(255, 122, 24, 0.15),      /* halo orange */
    inset 0 0 20px rgba(157, 255, 79, 0.05); /* reflet vert poison */
}

/* ===== Titre ===== */
h1 {
  margin: 0;
  font-family: 'Creepster', cursive;
  font-weight: normal;
  font-size: clamp(2.8rem, 11vw, 5.5rem);
  letter-spacing: 4px;
  color: var(--citrouille);
  text-shadow:
    0 0 10px rgba(255, 122, 24, 0.8),
    0 0 30px rgba(255, 122, 24, 0.5),
    0 4px 0 var(--citrouille-fonce);
  animation: flicker 4s infinite;
}

.subtitle {
  margin: 10px 0 0;
  font-size: clamp(1.1rem, 4vw, 1.6rem);
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--vert-poison);
  text-shadow: 0 0 12px rgba(157, 255, 79, 0.6);
}

p {
  color: white;
  font-size: clamp(1.1rem, 4vw, 1.8rem);
}

/* ===== Boutons citrouille ===== */
button {
  padding: clamp(18px, 4vw, 25px) clamp(28px, 7vw, 60px);
  max-width: 100%;
  font-family: inherit;
  font-size: clamp(1.2rem, 4.5vw, 2rem);
  font-weight: 800;
  color: #2a0d00;

  border: none;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--citrouille-clair) 0%, var(--citrouille) 55%, var(--citrouille-fonce) 100%);
  box-shadow:
    0 8px 25px rgba(0, 0, 0, 0.5),
    0 0 20px rgba(255, 122, 24, 0.4),
    inset 0 -4px 0 rgba(0, 0, 0, 0.2);

  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: scale(1.05) rotate(-1deg);
  box-shadow:
    0 12px 30px rgba(0, 0, 0, 0.6),
    0 0 40px rgba(255, 122, 24, 0.8),
    inset 0 -4px 0 rgba(0, 0, 0, 0.2);
  animation: wobble 0.5s ease;
}

button:active {
  transform: scale(0.97);
}

button:focus-visible {
  outline: 3px solid var(--vert-poison);
  outline-offset: 4px;
}

/* ===== Pied de page ===== */
footer {
  position: relative;
  z-index: 1;
}

footer a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

footer a:hover {
  color: var(--vert-poison);
  text-decoration: underline;
}

/* ===== Décor ===== */
.decor {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none; /* ne bloque jamais les clics */
}

.moon {
  position: absolute;
  top: 6%;
  right: 8%;
  width: clamp(70px, 14vw, 140px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fffbe8 0%, var(--lune) 50%, #e6c97a 100%);
  box-shadow: 0 0 60px 15px rgba(255, 244, 201, 0.35);
}

.bat {
  position: absolute;
  left: 0;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  filter: brightness(0.3); /* chauves-souris en silhouette */
  animation: fly linear infinite;
}
.bat-1 { top: 12%; animation-duration: 14s; }
.bat-2 { top: 28%; animation-duration: 19s; animation-delay: -6s; font-size: clamp(1rem, 3vw, 1.8rem); }
.bat-3 { top: 70%; animation-duration: 23s; animation-delay: -12s; }

.ghost {
  position: absolute;
  bottom: 18%;
  left: 6%;
  font-size: clamp(2rem, 6vw, 3.5rem);
  opacity: 0.7;
  animation: float 5s ease-in-out infinite;
}

.pumpkin {
  position: absolute;
  bottom: 12px;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  filter: drop-shadow(0 0 15px rgba(255, 122, 24, 0.7));
}
.pumpkin-left  { left: 3%; }
.pumpkin-right { right: 3%; transform: scaleX(-1); }

.fog {
  position: absolute;
  bottom: 0;
  left: -50%;
  width: 200%;
  height: 30vh;
  background:
    radial-gradient(ellipse at 25% 100%, rgba(200, 180, 255, 0.18), transparent 60%),
    radial-gradient(ellipse at 75% 100%, rgba(157, 255, 79, 0.08), transparent 60%);
  animation: drift 20s ease-in-out infinite alternate;
}

/* ===== Animations ===== */
@keyframes flicker {
  0%, 92%, 96%, 100% { opacity: 1; }
  94% { opacity: 0.4; }
  98% { opacity: 0.7; }
}

@keyframes wobble {
  0%   { transform: scale(1.05) rotate(0deg); }
  25%  { transform: scale(1.05) rotate(-3deg); }
  50%  { transform: scale(1.05) rotate(3deg); }
  75%  { transform: scale(1.05) rotate(-2deg); }
  100% { transform: scale(1.05) rotate(-1deg); }
}

@keyframes fly {
  0%   { transform: translate(-10vw, 0); }
  25%  { transform: translate(25vw, -30px); }
  50%  { transform: translate(55vw, 20px); }
  75%  { transform: translate(85vw, -20px); }
  100% { transform: translate(110vw, 0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-20px); }
}

@keyframes drift {
  from { transform: translateX(0); }
  to   { transform: translateX(20%); }
}

/* Respecte les utilisateurs qui désactivent les animations */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}