/* 
  Bhulleh Shah Silage - Main Stylesheet
  Kasur, Pakistan
  Mobile-First approach
*/

/* ==========================================================================
   1. VARIABLES & CSS CUSTOM PROPERTIES
   ========================================================================== */
:root {
  /* Color Palette */
  --primary-color: #2E7D32;
  --clr-primary: #2E7D32;
  --clr-primary-dark: #174A2A;
  --clr-primary-light: #EAF5E8;
  --clr-accent: #D4A017;
  --clr-bg: #FAF9F3;
  --clr-white: #FFFFFF;
  --clr-text: #1F2937;
  --clr-text-light: #4B5563;
  --clr-border: #E5E7EB;
  --clr-error: #DC2626;
  --clr-whatsapp: #25D366;

  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Font Sizes */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3rem;
  --fs-5xl: 4rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);
  
  /* Radii */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* Header Height */
  --header-height: 80px;
  --header-height-scrolled: 64px;
}

/* ==========================================================================
   2. CSS RESET & BASE STYLES
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--clr-text);
  background-color: var(--clr-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

/* Typography Base */
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(--clr-primary-dark);
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
h5 { font-size: var(--fs-md); }
h6 { font-size: var(--fs-base); }

@media (min-width: 768px) {
  h1 { font-size: var(--fs-5xl); }
  h2 { font-size: var(--fs-3xl); }
  h3 { font-size: var(--fs-xl); }
}

@media (min-width: 992px) {
  h2 { font-size: var(--fs-4xl); }
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--clr-text-light);
}

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

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

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 100%;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

address {
  font-style: normal;
}

/* ==========================================================================
   3. UTILITY CLASSES
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

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

@media (min-width: 768px) {
  .section {
    padding: var(--spacing-4xl) 0;
  }
}

.section-title {
  position: relative;
}

.section-header {
  margin-bottom: var(--spacing-md);
}

.section-desc {
  color: var(--clr-text-light);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  font-size: var(--fs-md);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

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

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

@media (min-width: 576px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.align-center {
  align-items: center;
}

.justify-center {
  justify-items: center;
}

/* Background */
.bg-light {
  background-color: var(--clr-primary-light);
}

.bg-white {
  background-color: var(--clr-white);
}

/* Text */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-white { color: var(--clr-white) !important; }
.text-dark { color: var(--clr-text) !important; }
.text-light { color: rgba(255, 255, 255, 0.85); }
.text-lg { font-size: var(--fs-lg); }
.text-xl { font-size: var(--fs-xl); }
.text-sm { font-size: var(--fs-sm); }
.text-2xl { font-size: var(--fs-2xl); }

/* Spacing */
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }
.mr-2 { margin-right: var(--spacing-sm); }
.mr-3 { margin-right: var(--spacing-md); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }

/* Display / Flex */
.hidden { display: none !important; }
.visible { display: block !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.align-start { align-items: flex-start; }
.shrink-0 { flex-shrink: 0; }
.gap-3 { gap: var(--spacing-md); }
.gap-5 { gap: var(--spacing-xl); }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-full { width: 100%; }
.block { display: block; }

/* Font */
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Misc */
.list-unstyled { list-style: none; padding: 0; margin: 0; }
.rounded { border-radius: var(--radius-md); }
.shadow { box-shadow: var(--shadow-md); }
.border { border: 1px solid var(--clr-border); }
.border-t { border-top: 1px solid rgba(255, 255, 255, 0.2); }
.not-italic { font-style: normal; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--clr-primary);
  color: var(--clr-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  z-index: 10000;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--spacing-sm);
  color: var(--clr-white);
}

/* ==========================================================================
   4. BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-base);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  line-height: 1.4;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  color: var(--clr-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover, .btn-secondary:focus {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
}

.btn-outline:hover, .btn-outline:focus {
  background-color: var(--clr-primary);
  color: var(--clr-white);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--clr-accent);
  color: var(--clr-white);
  border-color: var(--clr-accent);
}

.btn-accent:hover {
  background-color: #B8860B;
  border-color: #B8860B;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-whatsapp {
  background-color: var(--clr-whatsapp);
  color: var(--clr-white);
  border-color: var(--clr-whatsapp);
}

.btn-whatsapp:hover {
  background-color: #128C7E;
  border-color: #128C7E;
  color: var(--clr-white);
}

.btn-full {
  width: 100%;
}

.hover-white:hover {
  color: var(--clr-white) !important;
}

.hover-primary:hover {
  color: var(--clr-primary) !important;
}

.border-white {
  border-color: rgba(255, 255, 255, 0.6) !important;
}

/* ==========================================================================
   5. HEADER & NAVIGATION
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  transition: height var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
}

.header.header-scrolled {
  height: var(--header-height-scrolled);
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.99);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  z-index: 1001;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--fs-lg);
  color: var(--clr-primary-dark);
  line-height: 1.1;
  display: block;
}

.logo-subtitle {
  font-size: var(--fs-xs);
  color: var(--clr-text-light);
  letter-spacing: 1px;
  text-transform: uppercase;
  display: block;
}

@media (min-width: 768px) {
  .logo-text { font-size: var(--fs-xl); }
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--clr-primary-dark);
  z-index: 1001;
  position: relative;
}

.mobile-menu-btn svg {
  display: block;
}

@media (min-width: 992px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--clr-white);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-xl);
}

.main-nav.open {
  transform: translateX(0);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  text-align: center;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-xl) 0;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-xl);
  color: var(--clr-primary-dark);
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: var(--spacing-xs) 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--clr-primary);
}

.nav-cta {
  margin-top: var(--spacing-md);
}

/* Nav Overlay (backdrop) */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Desktop Navigation */
@media (min-width: 992px) {
  .main-nav {
    position: static;
    width: auto;
    max-width: none;
    height: auto;
    background: transparent;
    transform: none;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-lg);
    box-shadow: none;
    padding: 0;
  }

  .nav-list {
    flex-direction: row;
    gap: var(--spacing-lg);
    margin: 0;
  }

  .nav-link {
    font-size: var(--fs-base);
    color: var(--clr-text);
    position: relative;
    padding: var(--spacing-sm) 0;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-primary);
    transition: width var(--transition-base);
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }

  .nav-overlay {
    display: none;
  }

  .nav-cta {
    margin-top: 0;
  }
}

/* ==========================================================================
   6. HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
  display: flex;
  align-items: center;
  background-color: var(--clr-primary-dark);
  overflow: hidden;
  min-height: auto;
  background-size: cover;
  background-position: center;
}

@media (min-width: 768px) {
  .hero {
    min-height: 90vh;
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
  }
}

.hero-container {
  position: relative;
  z-index: 3;
  color: var(--clr-white);
  max-width: 800px;
}

.hero-title {
  color: var(--clr-white);
  margin-bottom: var(--spacing-lg);
  font-size: var(--fs-3xl);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--fs-5xl);
  }
}

.hero-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--fs-md);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

@media (min-width: 768px) {
  .hero-text { font-size: var(--fs-lg); }
}

.hero-btns {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 576px) {
  .hero-btns {
    flex-direction: row;
  }
}

.hero .btn-primary {
  background-color: var(--clr-accent);
  border-color: var(--clr-accent);
  color: var(--clr-white);
}

.hero .btn-primary:hover {
  background-color: #B8860B;
  border-color: #B8860B;
}

.hero .btn-secondary {
  color: var(--clr-white);
  border-color: rgba(255, 255, 255, 0.7);
}

.hero .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--clr-white);
}

.trust-strip {
  display: inline-block;
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.location-indicator {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--fs-sm);
  margin-top: var(--spacing-md);
}

/* ==========================================================================
   7. QUICK TRUST BAR
   ========================================================================== */
.trust-bar {
  padding: var(--spacing-2xl) 0;
}

.trust-card {
  background-color: var(--clr-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border-bottom: 3px solid var(--clr-primary);
}

.trust-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.trust-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--clr-primary-light);
  border-radius: var(--radius-full);
  color: var(--clr-primary);
  margin: 0 auto var(--spacing-md);
}

.trust-icon svg {
  display: block;
}

.trust-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--spacing-xs);
}

.trust-card p {
  font-size: var(--fs-sm);
  margin-bottom: 0;
}

/* ==========================================================================
   8. ABOUT SECTION
   ========================================================================== */
.about-content h2 {
  margin-bottom: var(--spacing-md);
}

.about-content p {
  margin-bottom: var(--spacing-md);
}

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--clr-primary-dark);
  font-weight: 600;
  font-size: var(--fs-sm);
  background-color: var(--clr-primary-light);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
}

/* Image Placeholders */
.image-placeholder {
  background-color: var(--clr-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  overflow: hidden;
  position: relative;
}

.about-image {
  min-height: 350px;
}

@media (min-width: 992px) {
  .about-image {
    min-height: 450px;
  }
}

.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--clr-primary);
  font-weight: 500;
  opacity: 0.7;
}

.placeholder-content svg {
  display: block;
}

/* ==========================================================================
   9. PRODUCT / SILAGE CARDS
   ========================================================================== */
.card {
  background-color: var(--clr-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-card {
  display: flex;
  flex-direction: column;
}

.card-img {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  background-color: var(--clr-primary-light);
}

.card-img .placeholder-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-height: auto;
}

.card-img img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.card-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  margin-bottom: var(--spacing-sm);
}

.card-content p {
  flex-grow: 1;
  font-size: var(--fs-sm);
}

/* ==========================================================================
   10. FEATURE CARDS (WHY CHOOSE US)
   ========================================================================== */
.feature-card {
  background-color: var(--clr-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  border: 1px solid var(--clr-border);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--clr-primary);
  transform: translateY(-3px);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  background-color: var(--clr-primary-light);
  border-radius: var(--radius-full);
  color: var(--clr-primary);
  margin-bottom: var(--spacing-md);
}

.feature-icon svg {
  display: block;
}

.feature-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  margin-bottom: 0;
  font-size: var(--fs-sm);
}

/* ==========================================================================
   11. BENEFITS SECTION
   ========================================================================== */
.benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.benefit-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.benefit-item svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-item span {
  font-size: var(--fs-md);
  color: var(--clr-text);
  line-height: 1.5;
}

/* ==========================================================================
   12. PROCESS TIMELINE
   ========================================================================== */
.process-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 40px;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 19px;
  height: 100%;
  width: 3px;
  background: linear-gradient(to bottom, var(--clr-primary), var(--clr-accent));
  border-radius: 2px;
}

.process-step {
  position: relative;
  margin-bottom: var(--spacing-xl);
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.process-step:last-child {
  margin-bottom: 0;
}

.step-number {
  position: absolute;
  left: -40px;
  width: 40px;
  height: 40px;
  background-color: var(--clr-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--clr-white);
  font-size: var(--fs-sm);
  z-index: 2;
  border: 3px solid var(--clr-primary-light);
  box-shadow: var(--shadow-sm);
}

.step-content {
  background-color: var(--clr-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--clr-primary);
  width: 100%;
}

.step-content h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--clr-primary-dark);
}

.step-content p {
  margin-bottom: 0;
  font-size: var(--fs-sm);
}

@media (min-width: 768px) {
  .process-timeline {
    padding-left: 60px;
  }
  .process-timeline::before {
    left: 29px;
  }
  .step-number {
    left: -60px;
    width: 50px;
    height: 50px;
    font-size: var(--fs-base);
  }
}

/* ==========================================================================
   13. MAP & LOCATION
   ========================================================================== */
.map-container {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--clr-primary-light);
}

.map-container iframe {
  width: 100%;
  display: block;
}

.map-note {
  color: var(--clr-text-light);
}

.contact-info-list p {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--clr-text);
}

.contact-info-list a {
  color: var(--clr-text);
  text-decoration: none;
  font-weight: 500;
}

.contact-info-list a:hover {
  color: var(--clr-primary);
}

/* ==========================================================================
   14. INQUIRY FORM
   ========================================================================== */
.inquiry-content h2 {
  color: var(--clr-white);
}

.inquiry-content p {
  color: rgba(255, 255, 255, 0.85);
}

.form-container {
  background-color: var(--clr-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--clr-text);
  font-size: var(--fs-sm);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--clr-text);
  background-color: var(--clr-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.15);
}

.form-control:invalid:not(:placeholder-shown) {
  border-color: var(--clr-error);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  color: var(--clr-error);
  font-size: var(--fs-xs);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-success {
  background-color: var(--clr-primary-light);
  color: var(--clr-primary-dark);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  text-align: center;
  display: none;
  border: 1px solid var(--clr-primary);
}

.form-success.show {
  display: block;
}

/* ==========================================================================
   15. FLOATING WHATSAPP BUTTON
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 56px;
  height: 56px;
  background-color: var(--clr-whatsapp);
  color: var(--clr-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  transition: transform var(--transition-base), background-color var(--transition-base);
  animation: pulse 2s infinite;
}

.whatsapp-float svg {
  display: block;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #128C7E;
  color: var(--clr-white);
}

@media (min-width: 768px) {
  .whatsapp-float {
    width: 64px;
    height: 64px;
    bottom: 24px;
    left: 24px;
  }
}

/* ==========================================================================
   16. BACK TO TOP
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background-color: var(--clr-primary-dark);
  color: var(--clr-white);
  border-radius: var(--radius-md);
  display: none;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  z-index: 100;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  display: flex !important;
}

.back-to-top:hover {
  background-color: var(--clr-primary);
  transform: translateY(-3px);
}

.back-to-top svg {
  display: block;
}

/* ==========================================================================
   17. FOOTER
   ========================================================================== */
.footer {
  background-color: var(--clr-primary-dark);
  color: var(--clr-white);
  padding-top: var(--spacing-3xl);
}

.footer h3,
.footer h4 {
  color: var(--clr-white);
}

.footer p {
  color: rgba(255, 255, 255, 0.8);
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

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

.footer-brand p {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--fs-sm);
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a:hover {
  color: var(--clr-accent);
  padding-left: 5px;
}

.footer-contact address {
  font-style: normal;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.8);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: var(--spacing-md) 0;
  margin-top: var(--spacing-xl);
}

.footer-bottom p {
  margin: 0;
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   18. PAGE HEADER (INNER PAGES)
   ========================================================================== */
.page-header {
  padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
  background-color: var(--clr-primary-dark);
  text-align: center;
  color: var(--clr-white);
  background-size: cover;
  background-position: center;
}

.page-header h1 {
  color: var(--clr-white);
  margin-bottom: var(--spacing-sm);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-lg);
  list-style: none;
  padding: 0;
}

.breadcrumb a {
  color: var(--clr-accent);
}

.breadcrumb a:hover {
  text-decoration: underline;
  color: var(--clr-white);
}

.breadcrumb span {
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   19. CONTACT PAGE SPECIFIC
   ========================================================================== */
.contact-card {
  background-color: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border-top: 3px solid var(--clr-primary);
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.contact-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--clr-primary-light);
  border-radius: var(--radius-full);
  color: var(--clr-primary);
  margin-bottom: var(--spacing-md);
}

.contact-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--spacing-xs);
}

.contact-card p {
  font-size: var(--fs-sm);
}

/* FAQ Accordion */
.faq-item {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--fs-md);
  color: var(--clr-primary-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color var(--transition-fast);
}

.faq-item summary:hover {
  background-color: var(--clr-primary-light);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: var(--fs-xl);
  font-weight: 300;
  color: var(--clr-primary);
  flex-shrink: 0;
  margin-left: var(--spacing-md);
  transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item[open] summary {
  background-color: var(--clr-primary-light);
  border-bottom: 1px solid var(--clr-border);
}

.faq-answer {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--clr-text-light);
  line-height: 1.7;
}

/* Value Cards */
.value-card {
  background-color: var(--clr-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  border-bottom: 3px solid var(--clr-primary);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.value-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--clr-primary-light);
  border-radius: var(--radius-full);
  color: var(--clr-primary);
  margin-bottom: var(--spacing-md);
}

/* Customer/Serve Cards */
.customer-card {
  background-color: var(--clr-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.customer-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.customer-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background-color: var(--clr-primary-light);
  border-radius: var(--radius-full);
  color: var(--clr-primary);
  margin-bottom: var(--spacing-md);
}

/* Product Hero (Silage Page) */
.product-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

@media (min-width: 992px) {
  .product-hero {
    grid-template-columns: 1fr 1fr;
  }
}

.product-attributes {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
}

.product-attributes li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  color: var(--clr-text);
  font-weight: 500;
}

.product-attributes svg {
  color: var(--clr-primary);
  flex-shrink: 0;
}

/* CTA Section */
.cta-section {
  background-color: var(--clr-primary-dark);
  color: var(--clr-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--clr-white);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-xl);
}

@media (min-width: 576px) {
  .cta-buttons {
    flex-direction: row;
  }
}

/* Quick CTA Bar */
.quick-cta {
  background-color: var(--clr-primary);
  color: var(--clr-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.quick-cta p {
  color: var(--clr-white);
  font-size: var(--fs-lg);
  margin-bottom: var(--spacing-lg);
}

/* Benefit Cards (Silage page) */
.benefit-card {
  background-color: var(--clr-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--clr-primary);
  transition: transform var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* Map Placeholder (Contact page) */
.map-placeholder {
  background-color: var(--clr-primary-light);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  color: var(--clr-text-light);
  font-weight: 500;
}

/* Local Section */
.local-content h2 {
  margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   20. ANIMATIONS & EFFECTS
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Scroll Reveal - only hide when JS is confirmed loaded */
.js-loaded .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.js-loaded .reveal.active,
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Hero animation */
.hero .hero-container {
  animation: fadeInUp 1s ease forwards;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal {
    opacity: 1;
    transform: none;
  }
  
  .hero .hero-container {
    animation: none;
    opacity: 1;
  }
}

/* ==========================================================================
   22. GALLERY & LIGHTBOX STYLES
   ========================================================================== */
.gallery-filters {
  margin-bottom: 2rem;
}

.filter-btn {
  background-color: var(--clr-white);
  color: var(--clr-primary-dark);
  border: 1px solid var(--clr-border);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-sm);
}

.gallery-item {
  position: relative;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.gallery-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.gallery-thumb-wrap {
  position: relative;
  width: 100%;
  height: 260px;
  overflow: hidden;
}

.gallery-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover .gallery-thumb {
  transform: scale(1.08);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(23, 74, 42, 0.92) 0%, rgba(23, 74, 42, 0.4) 60%, transparent 100%);
  color: var(--clr-white);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h3 {
  color: var(--clr-white);
  font-size: var(--fs-md);
  margin-bottom: 0.3rem;
}

.gallery-overlay p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-xs);
  margin-bottom: 0.5rem;
}

.zoom-icon {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--clr-accent);
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background-color: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
  color: var(--clr-white);
  text-align: center;
  margin-top: 1rem;
  font-size: var(--fs-md);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 25px;
  color: var(--clr-white);
  font-size: 2.5rem;
  font-weight: 300;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
}

.lightbox-close:hover {
  color: var(--clr-accent);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  color: var(--clr-white);
  border: none;
  font-size: 2rem;
  padding: 1rem 1.2rem;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* ==========================================================================
   21. PRINT STYLES
   ========================================================================== */
@media print {
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .header,
  .hero,
  .whatsapp-float,
  .back-to-top,
  .btn,
  form,
  .footer {
    display: none !important;
  }

  .container {
    width: 100%;
    max-width: none;
    padding: 0;
    margin: 0;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
    color: #000;
  }

  img {
    page-break-inside: avoid;
    max-width: 100% !important;
  }

  .product-card,
  .feature-card,
  .trust-card,
  .card {
    page-break-inside: avoid;
    border: 1px solid #ccc;
    box-shadow: none;
  }

  .section {
    padding: 1rem 0;
  }
}