body {
  background: linear-gradient(135deg, #1F2937 0%, #374151 100%);
  overflow-x: hidden;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  font-family: 'Sulphur Point', 'Manrope', sans-serif;
}

body,
html {
  min-height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

/* Start Screen */
.start-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1F2937 0%, #374151 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.start-content {
  text-align: center;
  padding: 2rem;
  max-width: 600px;
}

.start-title {
  font-size: 3rem;
  font-weight: 800;
  margin: 0 0 1rem 0;
  background: linear-gradient(135deg, #FF8BA0, #69C1B5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% {
    filter: drop-shadow(0 0 10px rgba(105, 193, 181, 0.5));
  }
  50% {
    filter: drop-shadow(0 0 20px rgba(255, 139, 160, 0.6));
  }
}

.start-message {
  font-size: 1.3rem;
  color: #E5E7EB;
  margin: 0 0 2.5rem 0;
  font-weight: 400;
  line-height: 1.6;
}

.start-btn {
  padding: 1.2rem 2.5rem;
  font-size: 1.2rem;
  font-weight: 700;
  background: linear-gradient(90deg, #69C1B5 0%, rgba(105, 193, 181, 0.85) 30%, rgba(255, 139, 160, 0.85) 70%, #FF8BA0 100%);
  color: white;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 6px 30px rgba(105, 193, 181, 0.4);
  transition: all 0.3s ease;
  font-family: 'Sulphur Point', 'Manrope', sans-serif;
  animation: pulse-btn 2s ease-in-out infinite;
}

@keyframes pulse-btn {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.start-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 40px rgba(105, 193, 181, 0.6);
  background: linear-gradient(90deg, #5AB0A4 0%, rgba(90, 176, 164, 0.9) 30%, rgba(255, 122, 144, 0.9) 70%, #FF7A90 100%);
}

/* Main Content */
.main-content {
  width: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

svg {
  width: 90%;
  max-width: 800px;
  height: auto;
  visibility: hidden;
  margin-top: 2rem;
  margin-left: auto;
  margin-right: auto;
  display: block;
}

/* Christmas Message Styles */
.christmas-message {
  max-width: 700px;
  margin: 3rem auto;
  padding: 2.5rem 2rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(105, 193, 181, 0.3);
  backdrop-filter: blur(10px);
}

.message-title {
  font-size: 2rem;
  font-weight: 800;
  color: #1F2937;
  margin: 0 0 1.5rem 0;
  line-height: 1.2;
  background: linear-gradient(135deg, #FF8BA0, #69C1B5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.message-body {
  color: #374151;
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.message-body p {
  margin: 1rem 0;
}

.message-body strong {
  color: #69C1B5;
  font-weight: 700;
}

.message-body .greeting {
  font-size: 1.3rem;
  font-weight: 700;
  color: #FF8BA0;
  margin-top: 1.5rem;
}

/* WhatsApp Button */
.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.5rem;
  background: linear-gradient(90deg, #69C1B5 0%, rgba(105, 193, 181, 0.85) 30%, rgba(255, 139, 160, 0.85) 70%, #FF8BA0 100%);
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(105, 193, 181, 0.35);
  border: none;
  letter-spacing: 0.3px;
}

.whatsapp-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 30px rgba(105, 193, 181, 0.5);
  background: linear-gradient(90deg, #5AB0A4 0%, rgba(90, 176, 164, 0.9) 30%, rgba(255, 122, 144, 0.9) 70%, #FF7A90 100%);
}

.whatsapp-btn svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.whatsapp-btn span {
  white-space: nowrap;
}

/* Responsive Design */
@media (max-width: 768px) {
  .start-title {
    font-size: 2.2rem;
  }

  .start-message {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }

  .start-btn {
    padding: 1rem 2rem;
    font-size: 1rem;
  }

  svg {
    width: 95%;
    margin-top: 1rem;
  }

  .christmas-message {
    margin: 2rem 1rem;
    padding: 2rem 1.5rem;
  }

  .message-title {
    font-size: 1.5rem;
  }

  .message-body {
    font-size: 1rem;
  }

  .message-body .greeting {
    font-size: 1.15rem;
  }

  .whatsapp-btn {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .start-title {
    font-size: 1.8rem;
  }

  .start-message {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    padding: 0 1rem;
  }

  .start-btn {
    padding: 0.9rem 1.5rem;
    font-size: 0.95rem;
  }

  .christmas-message {
    margin: 1.5rem 0.75rem;
    padding: 1.5rem 1rem;
  }

  .message-title {
    font-size: 1.3rem;
  }

  .message-body {
    font-size: 0.95rem;
  }

  .whatsapp-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    gap: 0.5rem;
  }
}

/* Countdown Section */
.countdown-section {
  max-width: 700px;
  margin: 2rem auto 3rem auto;
  padding: 2.5rem 2rem;
  text-align: center;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(255, 139, 160, 0.3);
  backdrop-filter: blur(10px);
}

.countdown-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin: 0 0 2rem 0;
  background: linear-gradient(135deg, #FF8BA0, #69C1B5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glow 2s ease-in-out infinite;
}

.countdown-display {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.time-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 90px;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(105, 193, 181, 0.1), rgba(255, 139, 160, 0.1));
  border-radius: 16px;
  border: 2px solid rgba(105, 193, 181, 0.3);
  transition: all 0.3s ease;
}

.time-unit:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(105, 193, 181, 0.3);
  border-color: #69C1B5;
}

.time-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: #FF8BA0;
  line-height: 1;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.time-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #69C1B5;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.new-year-message {
  text-align: center;
  animation: fadeInScale 1s ease-out;
}

.new-year-message h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0 0 1rem 0;
  background: linear-gradient(135deg, #FF8BA0, #69C1B5, #FFD700);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glow 1.5s ease-in-out infinite;
}

.new-year-message p {
  font-size: 1.3rem;
  color: #374151;
  font-weight: 600;
}

@keyframes fadeInScale {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Fireworks Canvas */
.fireworks-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  pointer-events: none;
  background: rgba(0, 0, 0, 0.3);
}

/* Responsive for Countdown */
@media (max-width: 768px) {
  .countdown-section {
    margin: 1.5rem 1rem 2rem 1rem;
    padding: 2rem 1.5rem;
  }

  .countdown-title {
    font-size: 1.5rem;
  }

  .countdown-display {
    gap: 1rem;
  }

  .time-unit {
    min-width: 70px;
    padding: 0.8rem;
  }

  .time-value {
    font-size: 2rem;
  }

  .time-label {
    font-size: 0.8rem;
  }

  .new-year-message h2 {
    font-size: 1.8rem;
  }

  .new-year-message p {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .countdown-section {
    margin: 1rem 0.75rem;
    padding: 1.5rem 1rem;
  }

  .countdown-title {
    font-size: 1.3rem;
  }

  .countdown-display {
    gap: 0.75rem;
  }

  .time-unit {
    min-width: 60px;
    padding: 0.6rem;
  }

  .time-value {
    font-size: 1.6rem;
  }

  .time-label {
    font-size: 0.7rem;
  }

  .new-year-message h2 {
    font-size: 1.5rem;
  }

  .new-year-message p {
    font-size: 1rem;
  }
}