/* === CSS CUSTOM PROPERTIES === */
:root {
  /* Colors - Earth & Nature Palette */
  --color-primary: #2d6a4f;
  /* Forest Green */
  --color-primary-light: #40916c;
  /* Light Forest */
  --color-primary-dark: #1b4332;
  /* Deep Forest */
  --color-secondary: #b7b558;
  /* Olive Yellow */
  --color-accent: #d4a373;
  /* Earth Tan */
  --color-earth: #8b7355;
  /* Brown Earth */

  /* Neutrals */
  --color-white: #ffffff;
  --color-light: #f8f9fa;
  --color-gray-100: #e9ecef;
  --color-gray-200: #dee2e6;
  --color-gray-300: #ced4da;
  --color-gray-600: #6c757d;
  --color-gray-800: #343a40;
  --color-dark: #212529;

  /* Background colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #212529;
  --text-secondary: #6c757d;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;

  --font-size-xs: 0.75rem;
  /* 12px */
  --font-size-sm: 0.875rem;
  /* 14px */
  --font-size-base: 1rem;
  /* 16px */
  --font-size-lg: 1.125rem;
  /* 18px */
  --font-size-xl: 1.25rem;
  /* 20px */
  --font-size-2xl: 1.5rem;
  /* 24px */
  --font-size-3xl: 1.875rem;
  /* 30px */
  --font-size-4xl: 2.25rem;
  /* 36px */
  --font-size-5xl: 3rem;
  /* 48px */
  --font-size-6xl: 3.75rem;
  /* 60px */

  /* Spacing */
  --spacing-xs: 0.25rem;
  /* 4px */
  --spacing-sm: 0.5rem;
  /* 8px */
  --spacing-md: 1rem;
  /* 16px */
  --spacing-lg: 1.5rem;
  /* 24px */
  --spacing-xl: 2rem;
  /* 32px */
  --spacing-2xl: 3rem;
  /* 48px */
  --spacing-3xl: 4rem;
  /* 64px */
  --spacing-4xl: 6rem;
  /* 96px */

  /* Layout */
  --max-width: 1200px;
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* Dark Mode Variables */
body.dark-mode {
  --color-primary: #52b788;
  --color-primary-light: #74c69d;
  --color-primary-dark: #2d6a4f;
  --color-secondary: #d4d463;
  --color-accent: #d4a373;

  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --text-primary: #f8f9fa;
  --text-secondary: #ced4da;

  --color-white: #1a1a1a;
  --color-light: #2d2d2d;
  --color-gray-100: #3a3a3a;
  --color-gray-200: #4a4a4a;
  --color-gray-300: #5a5a5a;
  --color-gray-600: #ced4da;
  --color-gray-800: #e9ecef;
  --color-dark: #f8f9fa;
}

/* === RESET & BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
}

/* === LAYOUT UTILITIES === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.section {
  padding: var(--spacing-4xl) 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-secondary);
}

/* === NAVIGATION === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-brand {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  white-space: nowrap;
}



.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  align-items: center;
  margin: 0;
}

.nav-link {
  font-weight: 500;
  color: var(--color-gray-800);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: rgba(45, 106, 79, 0.08);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: var(--spacing-md);
  right: var(--spacing-md);
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--border-radius-full);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.menu-toggle span {
  width: 28px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-base);
}

/* === HERO SECTION === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('assets/images/hero-farmland.png');
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  max-width: 900px;
  padding: 0 var(--spacing-xl);
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: var(--font-size-6xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-white);
  text-shadow: 2px 4px 12px rgba(0, 0, 0, 0.3);
  line-height: 1.1;
}

.hero-subtitle {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xl);
  color: var(--color-gray-100);
  font-weight: 400;
  text-shadow: 1px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  color: var(--color-gray-200);
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  background: var(--color-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* === CONTENT SECTIONS === */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  border-radius: var(--border-radius-full);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto;
  margin-top: var(--spacing-xl);
}

/* === GRID LAYOUTS === */
.grid {
  display: grid;
  gap: var(--spacing-2xl);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* === CARDS === */
.card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition-slow);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.card-content {
  padding: var(--spacing-xl);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.card-text {
  color: var(--color-gray-600);
  line-height: 1.8;
}

/* === IMAGE CONTAINERS === */
.image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  margin: var(--spacing-xl) 0;
  background: transparent;
}

.image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-slow);
}

.image-wrapper:hover img {
  transform: scale(1.08);
}



/* === FEATURES === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.feature-item {
  background: var(--color-white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  transition: all var(--transition-base);
  border-left: 4px solid var(--color-primary);
}

.feature-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-left-color: var(--color-secondary);
}

.feature-icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.feature-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

.feature-description {
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: 0;
}

/* === TESTIMONIALS / RESULTS === */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.result-card {
  background: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

/* === CONTACT SECTION === */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.contact-info {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-3xl);
  border-radius: var(--border-radius-lg);
  color: var(--color-white);
}

.contact-item {
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: start;
  gap: var(--spacing-md);
}

.contact-icon {
  font-size: var(--font-size-2xl);
  color: var(--color-secondary);
  flex-shrink: 0;
}

.contact-details h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-xs);
}

.contact-details p,
.contact-details a {
  color: var(--color-gray-200);
  margin-bottom: 0;
}

.contact-details a:hover {
  color: var(--color-white);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.social-link {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-full);
  background: var(--color-white);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  transform: translateY(-4px);
}

/* === FOOTER === */
.footer {
  background: var(--color-dark);
  color: var(--color-gray-300);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.footer p {
  margin: 0;
}

.footer a {
  color: var(--color-secondary);
}

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

/* === PHOTO GALLERY === */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
  min-height: 250px;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease-in-out;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}

.gallery-item:hover img {
  transform: scale(1.25);
}



/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1024px) {
  :root {
    --font-size-6xl: 3rem;
    /* 48px */
    --font-size-5xl: 2.5rem;
    /* 40px */
    --font-size-4xl: 2rem;
    /* 32px */
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-6xl: 2.5rem;
    /* 40px */
    --font-size-5xl: 2rem;
    /* 32px */
    --font-size-4xl: 1.75rem;
    /* 28px */
    --spacing-4xl: 3rem;
    /* 48px */
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform var(--transition-base);
  }

  .nav-menu.active {
    transform: translateY(0);
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

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

  .section {
    padding: var(--spacing-3xl) 0;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-6xl: 2rem;
    /* 32px */
    --font-size-5xl: 1.75rem;
    /* 28px */
  }

  .hero-title {
    font-size: var(--font-size-5xl);
  }

  .card-image {
    height: 220px;
  }
}

/* === THEME TOGGLE BUTTON === */
.theme-toggle {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-full);
  background: var(--color-primary);
  color: white;
  border: 3px solid var(--color-primary-light);
  cursor: pointer;
  box-shadow: var(--shadow-xl);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  transition: all var(--transition-base);
  font-weight: 600;
}

.theme-toggle:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 24px rgba(45, 106, 79, 0.3);
}

.theme-toggle:active {
  transform: translateY(-2px) scale(1.02);
}

.theme-icon {
  font-size: var(--font-size-xl);
  line-height: 1;
}

.theme-text {
  font-size: var(--font-size-xs);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Dark mode specific button styling */
body.dark-mode .theme-toggle {
  background: var(--color-secondary);
  border-color: var(--color-accent);
  color: var(--color-dark);
}

body.dark-mode .theme-toggle:hover {
  box-shadow: 0 12px 24px rgba(212, 212, 99, 0.3);
}

/* Dark mode navbar adjustments */
body.dark-mode .navbar {
  background: rgba(26, 26, 26, 0.95);
}

body.dark-mode .navbar.scrolled {
  background: rgba(26, 26, 26, 0.98);
}

body.dark-mode .nav-menu {
  background: rgba(26, 26, 26, 0.98);
}

/* Dark mode card backgrounds */
body.dark-mode .card,
body.dark-mode .feature-item {
  background: var(--color-light);
  border-color: var(--color-gray-200);
}

body.dark-mode .result-card {
  background: linear-gradient(135deg, var(--color-light) 0%, var(--bg-secondary) 100%);
}

@media (max-width: 768px) {
  .theme-toggle {
    bottom: 1rem;
    right: 1rem;
    width: 50px;
    height: 50px;
  }

  .theme-icon {
    font-size: var(--font-size-lg);
  }

  .theme-text {
    font-size: 9px;
  }
}