:root {
  /* Brand Colors */
  --primary-green: #004B23;
  --primary-green-light: #00703C;
  --primary-green-dark: #002F16;
  --white: #FFFFFF;
  --bg-color: #F8F9FA;
  --text-main: #1A1A1A;
  --text-muted: #555555;
  
  /* Accent Colors for Industrial Tech */
  --slate: #2C3E50;
  --steel: #7F8C8D;
  --highlight: #E6F0EA;

  /* Typography */
  --font-heading: 'Inter', system-ui, sans-serif;
  --font-body: 'Roboto', system-ui, sans-serif;

  /* Layout */
  --container-max: 1200px;
  --radius: 6px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--bg-color);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--slate);
  margin-bottom: 1rem;
}

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

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

.text-center { text-align: center; }
.text-primary { color: var(--primary-green); }
.bg-primary { background-color: var(--primary-green); color: var(--white); }
.bg-white { background-color: var(--white); }
.section-pad { padding: 5rem 0; }

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-heading);
}

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

.btn-primary:hover {
  background-color: var(--primary-green-dark);
  box-shadow: var(--shadow-md);
  color: var(--white);
}

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

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

/* Navigation */
.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-green);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: baseline;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-weight: 600;
  color: var(--slate);
  font-size: 0.95rem;
}

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

/* Hero Section */
.hero {
  background: linear-gradient(rgba(0, 75, 35, 0.9), rgba(0, 47, 22, 0.9)), url('https://images.unsplash.com/photo-1497435334941-8c899ee9e8e9?auto=format&fit=crop&w=800&q=10&fm=webp') center/cover;
  color: var(--white);
  padding: 8rem 0 4rem 0;
  text-align: center;
}

.hero h1 {
  color: var(--white);
  font-size: 3.5rem;
  max-width: 800px;
  margin: 0 auto 1.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  opacity: 0.9;
}

/* Features/FORCE Acronym */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--white);
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  text-align: center;
  border-bottom: 4px solid var(--primary-green);
  transition: transform 0.3s ease;
}

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

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary-green);
  margin-bottom: 1rem;
}

.feature-card h3 {
  color: var(--primary-green);
  margin-bottom: 0.5rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: transform 0.3s;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: white;
}

/* Footer */
.footer {
  background-color: var(--primary-green-dark);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.footer ul {
  list-style: none;
}

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

.footer ul li a {
  opacity: 0.8;
}

.footer ul li a:hover {
  opacity: 1;
  color: var(--primary-green-light);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.7rem;
  opacity: 0.7;
}

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

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .navbar .container {
    padding: 0 1.5rem;
    position: relative;
  }
  .nav-links { 
    display: none; 
    flex-direction: column; 
    align-items: flex-start;
    width: 100%;
    position: absolute;
    top: 80px;
    left: 0;
    background-color: var(--white);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-md);
    gap: 1rem;
  }
  .nav-links.active {
    display: flex;
  }
  .hero h1 { font-size: 2.2rem !important; }
  .section-pad { padding: 2.5rem 0 !important; }
  .container { padding: 0 1rem !important; }
  .hero { padding: 4rem 0 !important; }
  .footer-grid { gap: 1.5rem !important; }
  .form-row-2col { grid-template-columns: 1fr !important; }
  .form-actions { flex-wrap: wrap; gap: 0.75rem; }
  .radio-card { grid-column: span 1 !important; }
  .content-section { padding: 3rem 0 !important; }
  .product-card { padding: 1.5rem !important; }
  .category-header { flex-wrap: wrap; }
  .directory-grid { gap: 1.5rem !important; }
  .directory-section { padding: 3rem 0 !important; }
  .brand-header { padding: 3rem 0 !important; }
  .gateway-banner { padding: 3rem 0 !important; }
  h1, h2 { font-size: clamp(1.8rem, 6vw, 2.5rem) !important; }
}

/* Global Form Card Styles (used in enquiry and partnership) */
.radio-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}
.radio-card {
    border: 2px solid #E2E8F0;
    border-radius: var(--radius);
    padding: 1rem;
    cursor: pointer;
    text-align: left;
    transition: var(--transition);
    background: #fff;
    display: flex;
    align-items: center;
}
.radio-card:hover {
    border-color: var(--primary-green-light);
    background-color: var(--highlight);
}
.radio-card.selected {
    border-color: var(--primary-green);
    background-color: var(--highlight);
    box-shadow: var(--shadow-sm);
}
.radio-card input[type="radio"], .radio-card input[type="checkbox"] {
    display: none;
}
@media (max-width: 768px) {
    .radio-group {
        grid-template-columns: 1fr !important;
    }
}

/* Hero Brand Showcase */
.hero-brands-showcase {
    margin-top: 2rem;
    animation: slideUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.hero-brands-showcase p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.hero-brand-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    width: max-content;
    margin: 0 auto;
    flex-wrap: wrap;
}

.hero-brand-logos img {
    height: 35px;
    width: auto;
    opacity: 0.9;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.hero-brand-logos img:hover {
    opacity: 1;
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .hero-brand-logos {
        gap: 1.5rem;
        padding: 1rem;
        border-radius: 20px;
    }
    .hero-brand-logos img {
        height: 25px;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}