/* VietKitchen - Static CSS */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --background: #ffffff;
  --foreground: #333333;
  --card: #ffffff;
  --card-foreground: #333333;
  --primary: #1f6b5a;
  --primary-foreground: #ffffff;
  --secondary: #d4a574;
  --secondary-foreground: #262626;
  --muted: #f5f5f5;
  --muted-foreground: #737373;
  --accent: #f5b335;
  --accent-foreground: #262626;
  --border: #e5e5e5;
  --input: #e5e5e5;
  --ring: #1f6b5a;
  --radius: 0.75rem;
  
  --hero-gradient: linear-gradient(135deg, #1f6b5a 0%, #154a3d 100%);
  --warm-gradient: linear-gradient(135deg, #d4a574 0%, #f5b335 100%);
  --overlay: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.6) 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-color: var(--border);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Utility Classes */
.section-padding {
  padding: 4rem 0;
}

.container-custom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container-custom {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container-custom {
    padding: 0 2rem;
  }
  .section-padding {
    padding: 5rem 0;
  }
}

.bg-primary { background: var(--primary); }
.bg-muted { background: var(--muted); }
.text-primary { color: var(--primary); }
.text-muted { color: var(--muted-foreground); }
.text-primary-foreground { color: var(--primary-foreground); }
.text-accent { color: var(--accent); }

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: all 0.3s ease;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
}

.header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

@media (min-width: 768px) {
  .navbar {
    height: 5rem;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--primary);
  transition: transform 0.3s;
}

.logo:hover .logo-icon {
  transform: rotate(12deg);
}

.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
}

/* Navigation */
.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  
  .nav-link {
    position: relative;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--foreground);
    padding-bottom: 0.25rem;
    transition: color 0.3s;
  }
  
  .nav-link:hover,
  .nav-link.active {
    color: var(--primary);
  }
  
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s;
  }
  
  .nav-link:hover::after,
  .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
  }
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  padding-top: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-content {
  background: var(--background);
  border-radius: 0.5rem;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  border: 1px solid var(--border);
  padding: 1rem;
  min-width: 220px;
}

.dropdown-item {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--foreground);
  text-decoration: none;
  border-radius: 0.375rem;
  transition: all 0.2s;
}

.dropdown-item:hover {
  background: var(--muted);
  color: var(--primary);
}

/* Mobile Menu */
.mobile-toggle {
  display: block;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 1024px) {
  .mobile-toggle {
    display: none;
  }
}

.mobile-menu {
  display: none;
  background: var(--background);
  border-top: 1px solid var(--border);
}

.mobile-menu.open {
  display: block;
}

.mobile-nav {
  padding: 1rem 0;
}

.mobile-link {
  display: block;
  padding: 0.75rem 0;
  color: var(--foreground);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.mobile-link:hover {
  color: var(--primary);
}

.mobile-dropdown {
  padding-left: 1rem;
}

.mobile-dropdown a {
  display: block;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  text-decoration: none;
}

.mobile-dropdown a:hover {
  color: var(--primary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--foreground);
  transition: color 0.3s;
  position: relative;
}

.icon-btn:hover {
  color: var(--primary);
}

.cart-badge {
  position: absolute;
  top: -0.25rem;
  right: -0.25rem;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--accent);
  color: var(--accent-foreground);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hero Section */
.hero {
  position: relative;
  height: 70vh;
  min-height: 500px;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    height: 85vh;
  }
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay);
}

.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
}

.hero-text {
  max-width: 600px;
  color: white;
}

.hero-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
  animation: fadeInUp 0.6s ease-out;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }
}

.hero-subtitle {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

.hero-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.75rem;
}

.hero-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.hero-dot.active {
  background: var(--accent);
  width: 2rem;
  border-radius: 0.375rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-foreground);
}

.btn-primary:hover {
  background: #e0a22e;
  transform: scale(1.03);
}

.btn-outline {
  background: transparent;
  color: var(--foreground);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--muted);
}

/* Features Bar */
.features-bar {
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 1.5rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: center;
}

.feature-icon {
  width: 2rem;
  height: 2rem;
  color: var(--accent);
  flex-shrink: 0;
}

.feature-text h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.125rem;
}

.feature-text p {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Section Title */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
}

.section-subtitle {
  color: var(--muted-foreground);
  max-width: 600px;
  margin: 0 auto;
}

/* Categories */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 768px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .categories-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.category-card {
  text-align: center;
  text-decoration: none;
  color: inherit;
}

.category-image {
  border-radius: 0.5rem;
  overflow: hidden;
  aspect-ratio: 1;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
}

.category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.category-card:hover .category-image img {
  transform: scale(1.1);
}

.category-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  transition: color 0.3s;
}

.category-card:hover .category-name {
  color: var(--primary);
}

.category-count {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product-card {
  background: var(--card);
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.product-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--accent);
  color: var(--accent-foreground);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}

.product-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  transition: background 0.3s;
}

.product-card:hover .product-overlay {
  background: rgba(0,0,0,0.1);
}

.cart-btn {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary);
  color: var(--primary-foreground);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(0.5rem);
  transition: all 0.3s;
}

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

.cart-btn:hover {
  transform: scale(1.1);
}

.product-info {
  padding: 1rem;
}

.product-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--card-foreground);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  line-height: 1.4;
  min-height: 2.5rem;
}

.product-name:hover {
  color: var(--primary);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.star {
  width: 0.875rem;
  height: 0.875rem;
}

.star.filled {
  color: var(--accent);
  fill: var(--accent);
}

.star.empty {
  color: var(--border);
}

.rating-count {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-left: 0.25rem;
}

.product-price {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.price-current {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--primary);
}

.price-original {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-decoration: line-through;
}

/* About Section */
.about-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-image {
  border-radius: 1rem;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.5s;
}

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

.about-text p {
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.stat-box {
  text-align: center;
  padding: 1rem;
  background: var(--muted);
  border-radius: 0.5rem;
}

.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* Testimonials */
.testimonial-section {
  text-align: center;
}

.testimonial-quote {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--primary);
  opacity: 0.2;
  margin: 0 auto 1rem;
}

.testimonial-content {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--foreground);
  margin-bottom: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.testimonial-rating {
  display: flex;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.testimonial-author {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.testimonial-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--border);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.testimonial-dot.active {
  background: var(--primary);
  width: 2rem;
  border-radius: 0.375rem;
}

/* Blog Cards */
.blog-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  background: var(--card);
  border-radius: 0.5rem;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.blog-card:hover {
  box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.blog-image {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

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

.blog-content {
  padding: 1.25rem;
}

.blog-meta {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.blog-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  text-decoration: none;
  display: block;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.blog-title:hover {
  color: var(--primary);
}

.blog-excerpt {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* Newsletter */
.newsletter-section {
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 4rem 0;
  text-align: center;
}

.newsletter-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .newsletter-title {
    font-size: 1.875rem;
  }
}

.newsletter-text {
  opacity: 0.8;
  margin-bottom: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .newsletter-form {
    flex-direction: row;
  }
}

.newsletter-input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  border-radius: 9999px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: 0.875rem;
  outline: none;
}

.newsletter-input::placeholder {
  color: rgba(255,255,255,0.5);
}

.newsletter-input:focus {
  border-color: var(--accent);
}

/* Footer */
.footer {
  background: var(--foreground);
  color: var(--background);
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
  padding: 4rem 0;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  text-decoration: none;
  color: inherit;
}

.footer-logo {
  width: 2rem;
  height: 2rem;
  color: var(--accent);
}

.footer-brand span {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.footer-desc {
  font-size: 0.875rem;
  opacity: 0.7;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  text-decoration: none;
  transition: all 0.3s;
}

.social-link:hover {
  background: var(--primary);
}

.footer-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  font-size: 0.875rem;
  opacity: 0.7;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.3s;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer-contact {
  list-style: none;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.875rem;
  font-size: 0.875rem;
  opacity: 0.7;
}

.footer-contact svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.875rem;
  opacity: 0.5;
}

/* Page Banner */
.page-banner {
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 6rem 0 3rem;
  text-align: center;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  opacity: 0.8;
}

/* Category Page */
.category-layout {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
}

.sidebar {
  width: 16rem;
  flex-shrink: 0;
  display: none;
}

@media (min-width: 1024px) {
  .sidebar {
    display: block;
  }
}

.sidebar-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  position: sticky;
  top: 6rem;
}

.sidebar-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  margin-bottom: 1rem;
}

.filter-group {
  margin-bottom: 1.5rem;
}

.filter-label {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  display: block;
}

.filter-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 0.375rem;
  color: var(--muted-foreground);
  transition: all 0.2s;
}

.filter-option:hover,
.filter-option.active {
  background: rgba(31, 107, 90, 0.1);
  color: var(--primary);
}

.main-content {
  flex: 1;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.results-count {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.sort-select {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--background);
  cursor: pointer;
}

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

@keyframes slideIn {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .section-title {
    font-size: 1.5rem;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
}