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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #e2e8f0;
  line-height: 1.6;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(255, 255, 255, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(101, 100, 105, 0.1) 0%,
      transparent 50%
    );
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 900px;
  z-index: 1;
  position: relative;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #ffffff;
  animation: fadeInUp 0.8s ease-out;
}

.hero p {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: #cbd5e1;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
  padding: 0.8rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.btn-primary {
  background: #3b82f6;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: rgba(59, 130, 246, 0.1);
  color: #ffffff;
  border: 2px solid #3b82f6;
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.2);
  transform: translateY(-3px);
}

.faq-section {
  padding: 6rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  text-align: center;
  margin-bottom: 3rem;
  color: white;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.faq-item {
  margin-bottom: 1rem;
}

.faq-question {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #ffffff;
}

.faq-answer {
  color: #cbd5e1;
  line-height: 1.6;
}

.rewards-section {
  width: 100%;
  padding: 6rem 2rem;
  background: rgba(15, 23, 42, 0.5);
}

.rewards-container {
  max-width: 1400px;
  margin: 0 auto;
}

.shop-subtitle {
  text-align: center;
  color: #94a3b8;
  font-size: 1.1rem;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.currency-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #3b82f6;
  font-weight: 600;
  margin-top: 0.5rem;
}

.currency-icon {
  height: 24px;
  width: auto;
  vertical-align: middle;
}

.shop-controls {
  display: flex;
  gap: 2rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.search-container {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-container input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 3rem;
  border-radius: 12px;
  border: 2px solid rgba(59, 130, 246, 0.3);
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.search-container input:focus {
  outline: none;
  border-color: #3b82f6;
  background: rgba(30, 41, 59, 0.8);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.search-container input::placeholder {
  color: #64748b;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: #64748b;
  pointer-events: none;
  font-size: 1.1rem;
}

.sort-container {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.sort-label-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #cbd5e1;
  font-weight: 600;
}

.sort-container i {
  color: #3b82f6;
}

.sort-container select {
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 2px solid rgba(59, 130, 246, 0.3);
  background: rgba(30, 41, 59, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

.sort-container select:focus {
  outline: none;
  border-color: #3b82f6;
  background: rgba(30, 41, 59, 0.8);
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  align-items: stretch;
}

.shop-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%; 
}

.shop-card {
  height: 100%;
  display: flex;   
  flex-direction: column;  
  background: rgba(30, 41, 59, 0.4);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid rgba(59, 130, 246, 0.2);
  position: relative;
}

.shop-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(59, 130, 246, 0.15) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 1;
}

.shop-card:hover::before {
  opacity: 1;
}

.shop-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 0 25px 50px rgba(59, 130, 246, 0.4);
  border-color: rgba(59, 130, 246, 0.6);
  background: rgba(30, 41, 59, 0.6);
}

.shop-card-image {
  width: 100%;
  height: 220px;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.shop-card-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  transition: all 0.4s ease;
}

.shop-card:hover .shop-card-image::before {
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
}

.shop-card-image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 1;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.shop-card:hover .shop-card-image img {
  transform: scale(1.1) rotate(2deg);
}

.shop-card-content {
  padding: 1.5rem;
  flex-grow: 1; 
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
}

.shop-card-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.shop-card:hover .shop-card-title {
  color: #60a5fa;
}

.shop-card-description {
  color: #94a3b8;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.shop-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid rgba(59, 130, 246, 0.2);
  position: relative;
  z-index: 2;
  margin-top: auto;
} 
 
.shop-card-price {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: #3b82f6;
  transition: all 0.3s ease;
} 
 
.shop-card:hover .shop-card-price {
  color: #60a5fa;
  transform: scale(1.05);
}

.shop-card-price.grant-price {
  font-size: 1.2rem;
  font-weight: 700;
}

.price-icon {
  height: 32px;
  width: auto;
}

.shop-card-hours {
  color: #94a3b8;
  font-size: 0.9rem;
  font-weight: 600;
}

.footer {
  padding: 3rem 2rem;
  text-align: center;
  background: rgba(15, 23, 42, 0.8);
  border-top: 1px solid rgba(59, 130, 246, 0.2);
}

.footer p {
  color: #94a3b8;
  margin-bottom: 0.5rem;
}

.hack-club-flag {
  position: absolute;
  top: 0;
  left: 0;
  margin: 0;
  z-index: 10;
  width: 300px;
  transition: transform 0.3s ease;
}

.hack-club-flag:hover {
  transform: rotate(5deg);
}

a {
  font-weight: bold;
  color: white;
  transition: color 0.3s ease;
}

a:hover {
  color: #60a5fa;
}

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

.fade-in-element {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-element.fade-in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .hero {
    min-height: 90vh;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .faq-section,
  .rewards-section {
    padding: 4rem 1rem;
  }

  .shop-grid {
    grid-template-columns: repeat(auto-fill , minmax(250px,  1fr)); 
    gap: 1.5rem;
  }
  .shop-controls {
    flex-direction:column;
    gap: 1rem;
  }

  .search-container {
    max-width: 100%;
  }

  .sort-container {
    width: 100%;  
    justify-content: center;  
  }

  .hack-club-flag {
    width: 200px;  
  } 
}