/* ============================================
   fanse agro - Modern Agriculture Website
   CSS Stylesheet
   ============================================ */

/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
  --primary-green: #2d5016;
  --secondary-green: #4a7c2a;
  --accent-green: #6b9f3d;
  --light-green: #a8d08d;
  --lighter-green: #d4e8c4;
  --background: #f8faf6;
  --white: #ffffff;
  --text-dark: #1a1a1a;
  --text-medium: #4a4a4a;
  --text-light: #6b6b6b;
  --border-color: #e0e0e0;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-hover: rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
  --border-radius: 8px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background);
  overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--primary-green);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-medium);
}

a {
  text-decoration: none;
  color: var(--secondary-green);
  transition: var(--transition);
}

a:hover {
  color: var(--accent-green);
}

/* ============================================
   Header & Navigation
   ============================================ */
header {
  background-color: var(--white);
  box-shadow: 0 2px 10px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo::before {
  content: '🌱';
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  flex-wrap: wrap;
}

.nav-menu a {
  color: var(--text-dark);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--secondary-green);
}

.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--secondary-green);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-toggle {
  background: var(--lighter-green);
  border: 1px solid var(--light-green);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  color: var(--primary-green);
  transition: var(--transition);
}

.lang-toggle:hover {
  background: var(--light-green);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-green);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
  color: var(--white);
  padding: 4rem 2rem;
  text-align: center;
}

.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero h1 {
  color: var(--white);
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--lighter-green);
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.cta-button {
  display: inline-block;
  background-color: var(--white);
  color: var(--primary-green);
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-hover);
}

/* ============================================
   Container & Sections
   ============================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Feature Cards
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 8px var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 16px var(--shadow-hover);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* ============================================
   Product Grid
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.product-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 16px var(--shadow-hover);
}

.product-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--lighter-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.product-info {
  padding: 1.5rem;
}

.product-info h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.badge-export {
  background: var(--lighter-green);
  color: var(--primary-green);
}

.badge-category {
  background: var(--light-green);
  color: var(--white);
}

/* ============================================
   Product Details
   ============================================ */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.product-detail-image {
  width: 100%;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px var(--shadow);
}

.product-detail-info h1 {
  margin-bottom: 1rem;
}

.product-detail-info p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.detail-meta {
  display: flex;
  gap: 2rem;
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--lighter-green);
  border-radius: var(--border-radius);
}

.detail-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--secondary-green);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-green);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--white);
  color: var(--secondary-green);
  border: 2px solid var(--secondary-green);
}

.btn-secondary:hover {
  background: var(--lighter-green);
}

/* ============================================
   Forms
   ============================================ */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 2px 12px var(--shadow);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--secondary-green);
  box-shadow: 0 0 0 3px rgba(74, 124, 42, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-actions {
  text-align: center;
}

/* ============================================
   Gallery
   ============================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
  aspect-ratio: 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90%;
  max-height: 90%;
  position: relative;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: var(--border-radius);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--white);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dark);
}

/* ============================================
   Blog
   ============================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.blog-card {
  background: var(--white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px var(--shadow);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 16px var(--shadow-hover);
}

.blog-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--lighter-green);
}

.blog-content {
  padding: 1.5rem;
}

.blog-date {
  color: var(--text-light);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.blog-content h3 {
  margin-bottom: 0.75rem;
}

.blog-content p {
  margin-bottom: 1rem;
}

/* ============================================
   Footer
   ============================================ */
footer {
  background: var(--primary-green);
  color: var(--white);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
  color: var(--lighter-green);
  margin-bottom: 0.5rem;
  display: block;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--lighter-green);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.loading {
  text-align: center;
  padding: 2rem;
  color: var(--text-light);
}

.error {
  background: #fee;
  color: #c33;
  padding: 1rem;
  border-radius: var(--border-radius);
  margin: 1rem 0;
}

.success {
  background: #efe;
  color: #3c3;
  padding: 1rem;
  border-radius: var(--border-radius);
  margin: 1rem 0;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (min-width: 769px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

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

  .hero p {
    font-size: 1rem;
  }

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

  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    margin-top: 1rem;
  }

  .nav-menu.active {
    display: flex;
  }

  .nav-menu li {
    width: 100%;
    border-top: 1px solid var(--border-color);
  }

  .nav-menu a {
    display: block;
    padding: 1rem 0;
  }

  .product-detail {
    grid-template-columns: 1fr;
  }

  .detail-meta {
    flex-direction: column;
    gap: 1rem;
  }

  .detail-actions {
    flex-direction: column;
  }

  .section {
    padding: 2rem 0;
  }

  .container {
    padding: 0 1rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .products-grid,
  .gallery-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}