/* Quality of Life Improvements for K-Food Delight */
:root {
  --transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* Enhanced Link Interactions */
.nav-link,
.profile-link,
.footer a {
  position: relative;
  transition: transform 0.3s var(--transition-bounce);
}

.nav-link::after,
.profile-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after,
.profile-link:hover::after {
  width: 80%;
}

/* Subtle Hover Effects */
.product-card {
  transition: transform 0.3s var(--transition-bounce), box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(255, 127, 80, 0.15);
}

/* Enhanced Search Input */
.search-input {
  transition: all 0.3s ease;
  border: 2px solid transparent;
  background: #f5f5f5;
  border-radius: 25px;
  padding: 12px 20px;
  width: 100%;
  max-width: 400px;
  margin: 0 auto 2rem;
  display: block;
}

.search-input:focus {
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 4px 15px rgba(255, 127, 80, 0.1);
  outline: none;
}

/* Category Button Refinements */
.category-btn {
  position: relative;
  overflow: hidden;
}

.category-btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.8) 0%,
    rgba(255, 255, 255, 0) 70%
  );
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform 0.5s ease, opacity 0.3s ease;
}

.category-btn:active::after {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  transition: 0s;
}

/* Hero Section Enhancement */
.hero-content {
  transform: translateY(20px);
  opacity: 0;
  animation: fadeInUp 1s ease forwards 0.5s;
}

/* Product Card Improvements */
.product-image {
  overflow: hidden;
  border-radius: 12px;
}

.product-image img {
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  color: white;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0.9;
  transform: translateY(-5px);
  transition: all 0.3s ease;
}

.product-card:hover .product-badge {
  transform: translateY(0);
  opacity: 1;
}

/* Footer Link Enhancement */
.footer-section a {
  position: relative;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--color-primary);
}

.social-link {
  transform: translateY(0);
  transition: transform 0.3s var(--transition-bounce);
}

.social-link:hover {
  transform: translateY(-5px);
}

/* Scroll to Top Enhancement */
.scroll-top-btn {
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Loading States */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: loading 1.5s infinite;
}

/* Newsletter Form Enhancement */
.newsletter-form {
  position: relative;
  overflow: hidden;
  border-radius: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.newsletter-form input {
  width: 100%;
  padding: 12px 50px 12px 20px;
  border: 2px solid transparent;
  border-radius: 25px;
  transition: all 0.3s ease;
}

.newsletter-form input:focus {
  border-color: var(--color-primary);
  outline: none;
}

.newsletter-form button {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  border: none;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

.newsletter-form button:hover {
  transform: translateY(-50%) rotate(15deg);
}

/* Animations */
@keyframes fadeInUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes loading {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(100%);
  }
}

/* Responsive Improvements */
@media (max-width: 768px) {
  .hero-content {
    padding: 0 20px;
  }

  .category-btn {
    padding: 8px 16px;
    font-size: 0.9rem;
  }

  .products-grid {
    gap: 15px;
    padding: 0 15px;
  }
}

/* Accessibility Improvements */
:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

.skip-to-main {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  transition: top 0.3s ease;
  z-index: 1001;
}

.skip-to-main:focus {
  top: 10px;
}