/* ============================================
   PBS Ghana  - Global Stylesheet
   EPC-Grade Corporate Website
   ============================================ */

/* CSS Variables */
:root {
  /* Colors - Green-led branding with blue accents for trust */
  --color-primary: #3F6F44;
  --color-primary-dark: #2d4f31;
  --color-primary-light: #4f8f55;
  --color-secondary: #0066CC;  /* Enhanced blue for trust and reliability */
  --color-secondary-dark: #004499;
  --color-secondary-light: #3385DD;
  --color-accent: #c24d00;
  --color-accent-light: #a84300;
  --color-gray: #666666;
  --color-white: #ffffff;
  --color-light-gray: #f5f5f5;
  --color-medium-gray: #e0e0e0;
  --color-dark-gray: #333333;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #cccccc;
  --color-error: #dc3545;
  
  /* Typography - Enhanced for modern readability */
  --font-primary: 'Inter', 'Roboto', 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Inter', 'Roboto', sans-serif;
  --font-size-base: 16px;
  --font-size-small: 14px;
  --font-size-large: 18px;
  --font-size-xl: 20px;
  --font-size-h1: 2.5rem;
  --font-size-h2: 2rem;
  --font-size-h3: 1.5rem;
  --font-size-h4: 1.25rem;
  --line-height-base: 1.7;  /* Improved readability */
  --line-height-heading: 1.2;
  --line-height-loose: 1.8;
  
  /* Spacing - Enhanced for better breathing room */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  --spacing-xxxl: 6rem;  /* Added for hero sections */
  
  /* Layout */
  --container-max-width: 1200px;
  --header-height: 160px;
  --border-radius: 4px;
  --transition-base: 0.3s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  z-index: 2000;
  background: #000;
  color: #fff;
  padding: 0.6rem 0.9rem;
  border-radius: 4px;
  font-weight: 600;
}

.skip-link:focus {
  top: 0.5rem;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--line-height-heading);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

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

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

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

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

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

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

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

a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* Image Placeholders */
.image-placeholder {
  width: 100%;
  height: auto;
  background-color: var(--color-light-gray);
  border: 2px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--font-size-small);
  text-align: center;
  padding: var(--spacing-lg);
  min-height: 200px;
  position: relative;
}

.image-placeholder::before {
  content: 'IMG';
  font-size: 3rem;
  display: block;
  margin-bottom: var(--spacing-sm);
  opacity: 0.5;
}

.image-placeholder::after {
  content: attr(data-placeholder);
  display: block;
  font-style: italic;
}

.logo-image {
  height: 200px;
  width: auto;
  max-height: calc(var(--header-height) + 60px);
  object-fit: contain;
  display: block;
  visibility: visible;
  opacity: 1;
  flex-shrink: 0;
  background: transparent;
  mix-blend-mode: normal;
}

.hero-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  margin: calc(var(--spacing-lg) * -1) calc(var(--spacing-lg) * -1) var(--spacing-md);
}

.project-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.equipment-image {
  width: 100%;
  max-width: 400px;
  height: 250px;
  object-fit: cover;
  border-radius: var(--border-radius);
  margin: var(--spacing-md) auto;
  display: block;
}

.service-icon {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.sector-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  height: auto;
  object-fit: cover;
  object-position: center;
  border-radius: var(--border-radius);
  display: block;
  margin-bottom: var(--spacing-md);
}

.sector-card .image-placeholder {
  aspect-ratio: 16 / 10;
  min-height: 0;
  margin-bottom: var(--spacing-md);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
header {
  background-color: var(--color-white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid var(--color-medium-gray);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  gap: var(--spacing-md);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  height: 100%;
  padding: var(--spacing-xs) 0;
  background: transparent;
}

.logo img {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}


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

/* Navigation */
nav {
  display: flex;
  align-items: center;
}

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

.nav-menu li {
  position: relative;
}

.nav-menu a {
  font-weight: 600;
  font-size: 1.1rem;
  color: #1f2a37;
  padding: var(--spacing-xs) 0;
  display: block;
  text-transform: none;
  letter-spacing: 0.1px;
  transition: color var(--transition-base);
}

.nav-menu li > a:not(.btn) {
  position: relative;
}

.nav-menu li > a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

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

.nav-menu li > a:not(.btn):hover::after,
.nav-menu li > a:not(.btn):focus-visible::after,
.nav-menu li > a:not(.btn).active::after {
  transform: scaleX(1);
}

.nav-menu .btn-primary {
  background-color: var(--color-accent);
  border-radius: 8px;
  padding: 0.6rem 1.4rem;
  margin-left: var(--spacing-sm);
  color: #000;
  font-weight: 600;
}

.nav-menu .btn-primary:hover {
  background-color: var(--color-accent-light);
  color: #000;
}

.nav-menu .btn-primary.active {
  background-color: var(--color-accent-light);
  color: #000;
  box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.12);
}

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

.dropdown-toggle {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.dropdown-arrow {
  font-size: 0.8rem;
  transition: transform var(--transition-base);
}

.dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown:focus-within .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  max-width: 320px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 1000;
  padding: 0;
  overflow: hidden;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-section {
  border-bottom: 1px solid var(--color-light-gray);
}

.dropdown-section:last-child {
  border-bottom: none;
}

.dropdown-section-title {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg) var(--spacing-sm);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: var(--color-light-gray);
  border-bottom: 1px solid var(--color-medium-gray);
}

.dropdown-sublist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dropdown-sublist li {
  margin: 0;
}

.dropdown-sublist a {
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--color-text);
  text-decoration: none;
  display: block;
  font-weight: 400;
  font-size: 0.9rem;
  transition: all var(--transition-base);
  border-left: 3px solid transparent;
}

.dropdown-sublist a:hover {
  background-color: rgba(63, 111, 68, 0.05);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  padding-left: calc(var(--spacing-lg) + 2px);
}

.dropdown-sublist a.active {
  background-color: rgba(63, 111, 68, 0.08);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

/* Professional button styling */
.nav-menu .btn-secondary {
  background-color: var(--color-secondary);
  border-radius: 6px;
  padding: 0.5rem 1.2rem;
  margin-left: var(--spacing-xs);
  color: var(--color-white);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
}

.nav-menu .btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
}

/* Mobile Dropdown Styles */
@media (max-width: 768px) {
  .dropdown-menu {
    position: static;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transform: none;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    padding: 0;
    transition: all var(--transition-base);
  }

  .dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    max-height: 600px;
    padding: 0;
  }

  .dropdown-section {
    border-bottom: 1px solid var(--color-light-gray);
  }

  .dropdown-section:last-child {
    border-bottom: none;
  }

  .dropdown-section-title {
    padding: var(--spacing-md);
    font-size: 0.9rem;
    background-color: var(--color-light-gray);
  }

  .dropdown-sublist a {
    padding: var(--spacing-md);
    font-size: 0.95rem;
    border-left: none;
  }

  .dropdown-sublist a:hover {
    background-color: var(--color-light-gray);
    padding-left: var(--spacing-lg);
  }

  .dropdown-arrow {
    display: inline-block;
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-base);
  }

  .dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
  }
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  font-size: 1.5rem;
  color: var(--color-primary);
}

.menu-toggle:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Main Content */
main {
  min-height: calc(100vh - var(--header-height) - 200px);
  padding: var(--spacing-xl) 0;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--spacing-xxxl) 0 var(--spacing-xxl) 0; /* Enhanced top padding */
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.1;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  font-size: clamp(2rem, 5vw, 3rem); /* Responsive font size */
  line-height: var(--line-height-heading);
}

.hero p {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-loose);
  opacity: 0.95;
}

/* Homepage hero video overlay */
.home-hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  /* Offset global main top padding so homepage hero sits directly under header */
  margin-top: calc(var(--spacing-xl) * -1);
}

.home-hero::before {
  z-index: 1;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.58) 45%, rgba(0, 0, 0, 0.72) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 760px;
}

.home-hero .hero-content h1,
.home-hero .hero-content p {
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.45);
}

.hero-stats {
  margin-top: var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-sm);
}

.hero-stat {
  display: block;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  padding: 0.55rem 0.75rem;
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.95rem;
}

.value-signal-strip {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
}

.value-signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-md);
}

.value-signal-item {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: linear-gradient(180deg, rgba(0, 102, 204, 0.04) 0%, rgba(255, 255, 255, 1) 100%);
}

.value-signal-item h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.value-signal-item p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-light);
}

@media (max-width: 900px) {
  .value-signal-grid {
    grid-template-columns: 1fr;
  }
}

/* Hero CTA row (no inline styles) */
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

/* Section with muted background */
.section--muted {
  background-color: var(--color-light-gray);
}

/* Grid with top margin */
.grid.mt-lg {
  margin-top: var(--spacing-lg);
}

/* Form required asterisk */
.form-required {
  color: var(--color-error);
}

/* Honeypot field (visually hidden) */
.honeypot-field {
  position: absolute;
  left: -9999px;
}

/* Image placeholder used as fallback when image fails (hidden by default, shown by JS) */
.image-placeholder--fallback {
  display: none;
}

/* Contact page info block */
.contact-info-block {
  margin-top: var(--spacing-xl);
}

/* Card button spacing when inside card */
.card .btn.mt-md {
  margin-top: var(--spacing-md);
}

.whatsapp-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0.65rem 0.85rem;
  border-radius: 999px;
  background: #25D366;
  color: #0f2f1e;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.whatsapp-float:hover {
  background: #1fb95a;
  color: #0f2f1e;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  line-height: 1.5;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 102, 0, 0.3);
}

.btn-primary:hover::before {
  left: 100%;
}

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

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

.btn:focus {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

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

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: var(--font-size-large);
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Cards */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); /* Enhanced easing */
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--color-secondary);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
  flex-shrink: 0;
}

.card-icon svg {
  width: 32px;
  height: 32px;
  stroke-width: 2;
}

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

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

/* Homepage Core Services card layout */
.core-service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.core-service-card .card-image {
  margin-bottom: var(--spacing-md);
}

.core-service-card .card-icon {
  margin-bottom: var(--spacing-sm);
}

.core-service-card p {
  flex-grow: 1;
}

.core-service-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.stat-card {
  text-align: center;
}

.stat-card h3 {
  font-size: 2rem;
  margin-bottom: var(--spacing-xs);
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.trust-badge {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  background-color: var(--color-white);
  border: 1px solid var(--color-medium-gray);
  font-weight: 600;
  color: var(--color-primary);
}

.testimonial-card {
  border-left: 4px solid var(--color-secondary);
}

.testimonial-card p {
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

.testimonial-meta {
  display: block;
  font-size: var(--font-size-small);
  color: var(--color-text-light);
  font-weight: 600;
}

.client-logos {
  margin-top: var(--spacing-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.client-logo-chip {
  display: inline-block;
  padding: 0.45rem 0.75rem;
  border-radius: var(--border-radius);
  background-color: rgba(0, 102, 204, 0.08);
  border: 1px solid rgba(0, 102, 204, 0.2);
  color: var(--color-secondary-dark);
  font-weight: 600;
  font-size: var(--font-size-small);
}

/* Sector Cards - Enhanced with blue accents */
.sector-card {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-primary-light) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.sector-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.sector-card:hover::after {
  opacity: 1;
}

.sector-card h3 {
  color: var(--color-white);
}

.sector-card p {
  color: rgba(255, 255, 255, 0.9);
  flex-grow: 1;
}

.sector-card a {
  color: var(--color-white);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.65);
  text-underline-offset: 0.2rem;
  margin-top: var(--spacing-sm);
  align-self: flex-start;
}

.sector-card a:hover {
  color: var(--color-white);
  text-decoration-color: var(--color-accent-light);
}

.sector-card a:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
}

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

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

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.1);
}

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

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

.error-message {
  color: var(--color-error);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-xs);
  display: none;
}

.error-message.show {
  display: block;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.checkbox-item input[type="checkbox"] {
  width: auto;
}

.form-actions {
  margin-top: var(--spacing-lg);
  text-align: center;
}

/* Project Filter */
.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  justify-content: center;
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--color-light-gray);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: var(--font-size-base);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* Project Cards */
.project-card {
  position: relative;
}

.project-highlights-grid .highlight-project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-highlights-grid .project-image {
  height: 220px;
  margin-bottom: var(--spacing-md);
}

.project-highlights-grid .highlight-project-card p {
  flex-grow: 1;
}

.project-highlights-grid .project-meta {
  margin-top: 0;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-medium-gray);
  flex-wrap: wrap;
  gap: var(--spacing-xs) var(--spacing-md);
}

.project-highlights-grid .project-meta span {
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius);
  padding: 0.2rem var(--spacing-xs);
}

.project-highlights-grid .highlight-project-card .btn {
  margin-top: var(--spacing-md);
  align-self: flex-start;
}

.project-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  font-size: var(--font-size-small);
  color: var(--color-text-light);
}

.project-tag {
  display: inline-block;
  padding: 0.25rem var(--spacing-xs);
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-sm);
}

.pillar-badges {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pillar-badge {
  background: #0f3d2e;
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 500;
}

/* Homepage final CTA */
.homepage-cta {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-secondary-dark) 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.homepage-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 25%, rgba(255, 255, 255, 0.12), transparent 45%);
  pointer-events: none;
}

.homepage-cta-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.homepage-cta h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.homepage-cta p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
}

.homepage-cta .btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #ff8a2b 100%);
}

/* Equipment Categories */
.equipment-category {
  margin-bottom: var(--spacing-xl);
}

.equipment-category h3 {
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.equipment-item {
  padding: var(--spacing-md);
  border-left: 3px solid var(--color-accent);
  margin-bottom: var(--spacing-sm);
  background-color: var(--color-light-gray);
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
  margin-top: var(--spacing-xxxl);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="footer-pattern" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="0.5" fill="rgba(255,255,255,0.03)"/><circle cx="75" cy="75" r="0.5" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23footer-pattern)"/></svg>');
  opacity: 0.5;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr; /* Better proportions */
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.footer-section {
  /* Base styles for all footer sections */
}

.footer-company {
  /* Company section takes more space */
}

.footer-company h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-h4);
  font-weight: 700;
}

.footer-company p {
  color: rgba(255, 255, 255, 0.9);
  line-height: var(--line-height-loose);
  margin-bottom: var(--spacing-lg);
}

.footer-authority-signal {
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
  font-size: var(--font-size-small);
  margin: calc(var(--spacing-lg) * -0.5) 0 var(--spacing-md);
}

.footer-contact-info {
  margin-top: var(--spacing-md);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.contact-label {
  font-weight: 600;
  color: var(--color-white);
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-contact-info a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: underline;
  text-underline-offset: 0.15rem;
}

.footer-contact-info .contact-item span:last-child {
  white-space: nowrap;
}

.footer-contact-info a:hover,
.footer-contact-info a:focus-visible {
  color: var(--color-white);
}

.footer-contact-info .contact-item-inline {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: nowrap;
}

.footer-contact-info .contact-item-inline .contact-label,
.footer-contact-info .contact-item-inline span:last-child {
  white-space: nowrap;
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-h4);
  font-weight: 600;
  position: relative;
}

.footer-section h4::after {
  content: '';
  position: absolute;
  bottom: -var(--spacing-xs);
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  border-radius: 1px;
}

.footer-section h5 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-base);
  font-weight: 600;
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: var(--font-size-base);
  line-height: 1.6;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-white);
  transform: translateX(4px);
}

.footer-links a:focus-visible,
.footer-legal a:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
  border-radius: 2px;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  z-index: 1;
}

.footer-bottom-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-bottom p {
  margin: 0;
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.7);
}

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: var(--font-size-small);
  transition: color 0.3s ease;
}

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

/* Social Media Links */
.footer-social {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  align-items: center;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--transition-base);
  text-decoration: none;
}

.social-link:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  transform: translateY(-2px);
}

.social-link:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Page CTA section (primary bg, white text) */
.section--cta {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.section--cta p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
}

.section--cta .btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
}

/* CTA row (flex center, wrap) */
.cta-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

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

.text-left {
  text-align: left;
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

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

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

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

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.hidden {
  display: none;
}

/* Success/Error Messages */
.message {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.message-success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.message-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Responsive Design - Mobile First */
@media (max-width: 768px) {
  :root {
    --header-height: 112px;
    --font-size-h1: 2rem;
    --font-size-h2: 1.75rem;
    --font-size-h3: 1.25rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
  }
  
  .logo-image {
    height: 82px;
    max-height: calc(var(--header-height) - 40px);
    background: transparent;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 999;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .hero {
    padding: var(--spacing-xl) 0;
  }

  .home-hero {
    min-height: 60vh;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .filter-controls {
    flex-direction: column;
  }
  
  .filter-btn {
    width: 100%;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-company {
    order: -1; /* Move company info to top on mobile */
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }

  .footer-legal {
    justify-content: center;
    gap: var(--spacing-md);
  }

  .social-links {
    justify-content: center;
    gap: var(--spacing-sm);
  }

  .social-link {
    width: 40px;
    height: 40px;
  }

  .social-link svg {
    width: 20px;
    height: 20px;
  }

  .footer-authority-signal {
    font-size: 0.9rem;
    line-height: 1.4;
  }

  .footer-section h4::after {
    width: 30px; /* Shorter accent line on mobile */
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .btn {
    width: 100%;
    display: block;
  }
}

/* Print Styles */
@media print {
  header,
  footer,
  .btn,
  .filter-controls {
    display: none;
  }
  
  body {
    color: #000;
    background: #fff;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
}