:root {
  --bg-color: #f8f9fa;
  --primary: rgba(32, 77, 47, 1);
  --secondary: rgb(230, 182, 53);
  --Neutral-Accent: #64748b;
  --Accent-color: rgba(230, 182, 53, 0.8);
  --light-accent: #e2e8f0;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --gradient: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--Neutral-Accent) 100%
  );
  --gradient-alt: linear-gradient(
    135deg,
    var(--secondary) 0%,
    var(--Accent-color) 100%
  );
  --font: "Inter", serif;
  --logo-font: "Bebas Neue", serif;
  --transition: all 0.3s ease;
  --shadow: 0 4px 10px rgba(37, 99, 235, 0.15);
  --radius: 10px;
  --glow: 0 0 20px rgba(230, 182, 53, 0.3);
}


body {
  font-family: var(--font);
  background: var(--bg-color);
  color: var(--text-primary);
  /* min-height: 100vh; */
  overflow-x: hidden;
  position: relative;
}

.container {
  /* max-width: 1200px; */
  margin: 6rem auto 0 auto;
  padding: 3rem 5%;
  position: relative;
  z-index: 1;
}

/* .header {
  text-align: center;
  margin-bottom: 4rem;
  animation: fadeInUp 1s ease-out;
} */

.conference-title {
  font-family: var(--logo-font);
  font-size: clamp(3rem, 8vw, 6rem);
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
  margin-bottom: 1rem;
  animation: pulse 3s ease-in-out infinite;
}

.conference-year {
  font-size: 1.5rem;
  color: var(--text-secondary);
  font-weight: 300;
  letter-spacing: 8px;
}

.header {
  text-align: center;
  margin-bottom: 50px;
  padding: 40px 0;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    rgba(32, 77, 47, 0.8) 100%
  );
  border-radius: var(--radius);
  color: white;
  box-shadow: var(--shadow);
}

.header h1 {
  font-family: var(--logo-font);
  font-size: 3rem;
  font-weight: 400;
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.dates-grid {
  display: grid;
  gap: 2rem;
  animation: staggerIn 1s ease-out 0.6s both;
}

.date-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(32, 77, 47, 0.1);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  animation: slideInLeft 0.8s ease-out forwards;
  opacity: 0;
  transform: translateX(-50px);
}

.date-card:nth-child(1) {
  animation-delay: 0.1s;
}
.date-card:nth-child(2) {
  animation-delay: 0.2s;
}
.date-card:nth-child(3) {
  animation-delay: 0.3s;
}
.date-card:nth-child(4) {
  animation-delay: 0.4s;
}
.date-card:nth-child(5) {
  animation-delay: 0.5s;
}

.date-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(230, 182, 53, 0.1),
    transparent
  );
  transition: left 0.8s ease;
}

.date-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow), var(--glow);
  border-color: var(--Accent-color);
}

.date-card:hover::before {
  left: 100%;
}

.date-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  animation: bounce 2s ease-in-out infinite;
}

.date-card:nth-child(odd) .date-icon {
  animation-delay: -1s;
}

.date-number {
  font-family: var(--logo-font);
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
  letter-spacing: 1px;
}

.date-event {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.date-description {
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.6;
}

/* Special styling for conference dates */
.date-card.conference-event {
  background: linear-gradient(
    135deg,
    rgba(230, 182, 53, 0.15),
    rgba(32, 77, 47, 0.15)
  );
  border: 2px solid var(--Accent-color);
}

.date-card.conference-event .date-number {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 3rem;
}

.countdown {
  text-align: center;
  margin-top: 4rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  animation: fadeInUp 1s ease-out 1s both;
  border: 1px solid var(--light-accent);
}

.countdown-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.countdown-timer {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.countdown-item {
  text-align: center;
}

.countdown-number {
  font-family: var(--logo-font);
  font-size: 3rem;
  color: var(--secondary);
  display: block;
  animation: countPulse 2s ease-in-out infinite;
}

.countdown-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes staggerIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

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

@keyframes countPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 2rem 4%;
  }

   .header h1 {
    font-size: 2rem;
  }

  .date-card {
    padding: 1.5rem;
  }

  .date-number {
    font-size: 2rem;
  }

  .date-event {
    font-size: 1.1rem;
  }

  .countdown-timer {
    gap: 1rem;
  }

  .countdown-number {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .date-card {
    padding: 1.25rem;
  }

  .countdown-timer {
    flex-direction: column;
    align-items: center;
  }
}