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

:root {
  --primary-color: #2c5530;
  --secondary-color: #5a8f5e;
  --accent-color: #8fbc8f;
  --text-color: #333;
  --bg-color: #ffffff;
  --footer-bg: #1a1a1a;
  --footer-text: #ffffff;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background-color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  padding: 1rem 0;
}

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

.logo img {
  height: 60px;
  width: auto;
}

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

.nav-menu a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-menu a:hover {
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 10.4rem 0 5.2rem;
  text-align: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin: 0 8%;
}

@media (max-width: 900px) {
  .hero {
    margin: 0;
  }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero.hero-home {
  background-image: url('/images/prducts-hero.jpg');
  padding: 15.6rem 0 7.8rem;
}

.hero.hero-products {
  background-image: url('/images/EVS-CO2-trap.jpg');
}

.hero.hero-contact {
  background-image: url('/images/LakeArgyle.jpg');
}

.hero.hero-warehouse {
  background-image: url('/images/prducts-hero.jpg');
}

.hero.hero-light-trap {
  background-image: url('/images/EVS-CO2-trap.jpg');
}

.btn-primary, .btn-secondary {
  padding: 0.75rem 2rem;
  font-size: 1rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
}

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

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

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

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

/* Section Styles */
section {
  padding: 4rem 0;
}

section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--primary-color);
}

/* Customer Logo Marquee */
.customers-marquee {
  overflow: hidden;
  width: 100%;
  padding: 1rem 0;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.customers-track {
  display: flex;
  align-items: center;
  gap: 2rem;
  width: max-content;
  animation: marquee 45s linear infinite;
}

.customers-track:hover {
  animation-play-state: paused;
}

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.customer-logo-link {
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f4f4f4;
  border-radius: 10px;
  padding: 1rem 1.5rem;
  flex-shrink: 0;
  height: 90px;
  width: 180px;
}

.customer-logo-link.dark {
  background: #2c3e30;
}

.customer-logo {
  max-width: 140px;
  max-height: 60px;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* Card Gallery */
.card-gallery {
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  height: 250px;
}

.card-gallery .card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
  transition: opacity 0.2s;
}

.card-gallery .card-img.active {
  display: block;
}

.gallery-prev,
.gallery-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.45);
  color: white;
  border: none;
  width: 2rem;
  height: 2rem;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.gallery-prev:hover,
.gallery-next:hover {
  background: rgba(0, 0, 0, 0.7);
}

.gallery-prev { left: 0.5rem; }
.gallery-next { right: 0.5rem; }

.gallery-dots {
  position: absolute;
  bottom: 0.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.35rem;
  z-index: 2;
}

.gallery-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  border: none;
  padding: 0;
  transition: background 0.2s;
}

.gallery-dot.active {
  background: white;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.lightbox.open {
  display: flex;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
}

.lightbox-inner {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-inner img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
}

.lightbox-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
}

.lightbox-close:hover {
  opacity: 1;
}

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

.product-card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.product-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.product-card-content {
  padding: 1.5rem;
}

.product-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.product-card p {
  color: #666;
  line-height: 1.6;
}

/* Product Selection Panels */
.product-selection {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.selection-panel {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s;
  cursor: pointer;
  text-decoration: none;
  color: white;
}

.selection-panel:hover {
  transform: scale(1.05);
}

.selection-panel img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.selection-panel-content {
  padding: 2rem;
}

.selection-panel h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: white;
}

.selection-panel p {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Contact Form */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.contact-info {
  background: #f5f5f5;
  padding: 2rem;
  border-radius: 10px;
}

.contact-info h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1rem;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: 3rem 0 1rem;
}

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

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

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: var(--footer-text);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-section img {
  border-radius: 10px;
  max-width: 223px;
  height: auto;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 1rem;
  text-align: center;
}

.footer-bottom ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.footer-bottom a {
  color: var(--footer-text);
  text-decoration: none;
  transition: color 0.3s;
}

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

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--footer-bg);
  color: white;
  padding: 1.5rem;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
  z-index: 1000;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.cookie-content p {
  margin: 0;
  flex: 1;
}

.cookie-buttons {
  display: flex;
  gap: 1rem;
}

/* Content Sections */
.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 0;
}

.content h1 {
  color: var(--primary-color);
  margin-bottom: 2rem;
}

.content h2 {
  color: var(--secondary-color);
  margin-top: 2rem;
  margin-bottom: 1rem;
  text-align: left;
}

.content p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

.content ul {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    flex-direction: column;
    gap: 1rem;
  }

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

  .hero .subtitle {
    font-size: 1.2rem;
  }

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

  .cookie-content {
    flex-direction: column;
    text-align: center;
  }

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