feat: add COUNTDOWN_TIMEZONES to countdown

css/countdown.css

@@ -32,14 +32,14 @@
 .countdown-title {
     font-size: 3rem;
     font-weight: bold;
-    margin-bottom: 20px;
+    margin-bottom: 10px;
     color: #FF0000;
     text-shadow: 0 0 30px rgba(255, 0, 0, 0.5);
 }
 
 .countdown-subtitle {
     font-size: 1.5rem;
-    margin-bottom: 50px;
+    margin-bottom: 20px;
     color: #ffffff;
     opacity: 0.9;
 }
@@ -92,6 +92,89 @@
     line-height: 1.6;
 }
 
+.countdown-other-timezones {
+    margin: 25px 0;
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+    gap: 12px;
+    max-width: 800px;
+    margin-left: auto;
+    margin-right: auto;
+}
+
+.timezone-item {
+    background: linear-gradient(135deg, rgba(255, 0, 0, 0.15) 0%, rgba(255, 0, 0, 0.05) 100%);
+    padding: 12px 16px;
+    border-radius: 12px;
+    font-size: 0.95rem;
+    color: #ffffff;
+    backdrop-filter: blur(15px);
+    border: 1px solid rgba(255, 0, 0, 0.3);
+    text-align: center;
+    transition: all 0.3s ease;
+    position: relative;
+    overflow: hidden;
+}
+
+.timezone-item::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: -100%;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
+    transition: left 0.5s ease;
+}
+
+.timezone-item:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 8px 25px rgba(255, 0, 0, 0.2);
+    border-color: rgba(255, 0, 0, 0.5);
+}
+
+.timezone-item:hover::before {
+    left: 100%;
+}
+
+.timezone-name {
+    display: block;
+    font-weight: bold;
+    color: #FF0000;
+    margin-bottom: 4px;
+    font-size: 0.85rem;
+    text-transform: uppercase;
+    letter-spacing: 0.5px;
+}
+
+.timezone-time {
+    display: block;
+    font-size: 1.1rem;
+    font-weight: bold;
+    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
+}
+
+.day-indicator {
+    font-size: 0.75rem;
+    font-weight: bold;
+    padding: 2px 6px;
+    border-radius: 10px;
+    margin-left: 5px;
+    text-shadow: none;
+}
+
+.day-indicator.next-day {
+    background: rgba(0, 255, 0, 0.2);
+    color: #00ff88;
+    border: 1px solid rgba(0, 255, 0, 0.4);
+}
+
+.day-indicator.prev-day {
+    background: rgba(255, 165, 0, 0.2);
+    color: #ffaa00;
+    border: 1px solid rgba(255, 165, 0, 0.4);
+}
+
 .countdown-social {
     display: flex;
     justify-content: center;
@@ -156,6 +239,28 @@
         width: 100px;
     }
     
+    .countdown-other-timezones {
+        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
+        gap: 10px;
+    }
+    
+    .timezone-item {
+        padding: 10px 12px;
+    }
+    
+    .timezone-name {
+        font-size: 0.75rem;
+    }
+    
+    .timezone-time {
+        font-size: 1rem;
+    }
+    
+    .day-indicator {
+        font-size: 0.65rem;
+        padding: 1px 4px;
+    }
+    
     .countdown-social {
         gap: 15px;
     }
@@ -182,6 +287,29 @@
     .countdown-label {
         font-size: 0.7rem;
     }
+    
+    .countdown-other-timezones {
+        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
+        gap: 8px;
+    }
+    
+    .timezone-item {
+        padding: 8px 10px;
+    }
+    
+    .timezone-name {
+        font-size: 0.7rem;
+    }
+    
+    .timezone-time {
+        font-size: 0.9rem;
+    }
+    
+    .day-indicator {
+        font-size: 0.6rem;
+        padding: 1px 3px;
+        margin-left: 3px;
+    }
 }
 
 /* Animation d'entrée */